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Mendeliome v1.2185 HMGCS1 Zornitza Stark Marked gene: HMGCS1 as ready
Mendeliome v1.2185 HMGCS1 Zornitza Stark Gene: hmgcs1 has been classified as Green List (High Evidence).
Mendeliome v1.2185 HMGCS1 Zornitza Stark Classified gene: HMGCS1 as Green List (high evidence)
Mendeliome v1.2185 HMGCS1 Zornitza Stark Gene: hmgcs1 has been classified as Green List (High Evidence).
Mendeliome v1.2184 HMGCS1 Zornitza Stark gene: HMGCS1 was added
gene: HMGCS1 was added to Mendeliome. Sources: Literature
Mode of inheritance for gene: HMGCS1 was set to BIALLELIC, autosomal or pseudoautosomal
Publications for gene: HMGCS1 were set to 39531736
Phenotypes for gene: HMGCS1 were set to Rigid spine syndrome, MONDO:0019951, HMGCS1-related
Review for gene: HMGCS1 was set to GREEN
Added comment: Five individuals from four families reported. All individuals presented with spinal rigidity primarily affecting the cervical and dorsolumbar regions, scoliosis, and respiratory insufficiency. Creatine kinase levels were variably elevated. The clinical course worsened with intercurrent disease or certain drugs in some; one individual died from respiratory failure following infection. Muscle biopsies revealed irregularities in oxidative enzyme staining with occasional internal nuclei and rimmed vacuoles.
HMGCS1 encodes a critical enzyme of the mevalonate pathway. Notably, biallelic hypomorphic variants in downstream enzymes including HMGCR and GGPS1 are associated with muscular dystrophy. Hmgcs1 mutant zebrafish displayed severe early defects, including immobility at 2 days and death by day 3 post-fertilisation and were rescued by HMGCS1 mRNA. Four variants tested (S447P, Q29L M70T, and C268S) have reduced function compared to wildtype HMGCS1 in zebrafish rescue assays
Sources: Literature
Mendeliome v1.2133 IGKC Bryony Thompson gene: IGKC was added
gene: IGKC was added to Mendeliome. Sources: Expert list
Mode of inheritance for gene: IGKC was set to BIALLELIC, autosomal or pseudoautosomal
Publications for gene: IGKC were set to https://search.clinicalgenome.org/CCID:005121
Phenotypes for gene: IGKC were set to recurrent infections associated with rare immunoglobulin isotypes deficiency MONDO:0013576
Review for gene: IGKC was set to AMBER
Added comment: Antibody Deficiencies GCEP classify gene-disease association as Limited (18/05/2021) - at least 6 probands https://search.clinicalgenome.org/CCID:005121
Sources: Expert list
Mendeliome v1.2084 ROCK2 Sangavi Sivagnanasundram gene: ROCK2 was added
gene: ROCK2 was added to Mendeliome. Sources: ClinGen
Mode of inheritance for gene: ROCK2 was set to MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Publications for gene: ROCK2 were set to 28554332, 30622330, 31941532
Phenotypes for gene: ROCK2 were set to congenital heart disease MONDO:0005453
Review for gene: ROCK2 was set to AMBER
Added comment: Reported in 4 unrelated individuals however classified as LIMITED by ClinGen Congenital Heart Disease GCEP on 03/09/2024 - https://search.clinicalgenome.org/CCID:008432
Sources: ClinGen
Mendeliome v1.2016 RPS6KB1 Bryony Thompson Added comment: Comment on list classification: Comment on list classification: ClinGen HCVD GCEP has classified this gene as Limited for HCM on 13/09/2023 - https://search.clinicalgenome.org/CCID:006034
Mendeliome v1.1948 CSMD1 Krithika Murali gene: CSMD1 was added
gene: CSMD1 was added to Mendeliome. Sources: Literature
Mode of inheritance for gene: CSMD1 was set to BIALLELIC, autosomal or pseudoautosomal
Publications for gene: CSMD1 were set to PMID:38816421
Phenotypes for gene: CSMD1 were set to complex neurodevelopmental disorder MONDO:0100038
Review for gene: CSMD1 was set to GREEN
Added comment: PMID 38816421 Werren et al 2024 report 8 individuals from 6 families identified through exome sequencing and subsequent gene-sharing efforts with biallelic missense CSMD1 variants. Shared phenotypic features included: GDD, ID, microcephaly and polymicrogyria. Other features included dysmorphism, IUGR, hypotonia, arthrogryposis, seizures, opthalmological anomalies and other brain white matter anomalies Heterozygous parents were unaffected.

Loss of function is the postulated mechanism based on experimental data involving early-stage forebrain organoids differentiated from CSMD1 knockout human embryonic stem cells (hESCs).

ClinGen haploinsufficiency score of 1, however, this curation was last reviewed in 2018. This gene is within the scope of review for the ClinGen Autisim and ID GCEP.
Sources: Literature
Mendeliome v1.1898 OPDM_ABCD3_GCC Bryony Thompson Marked STR: OPDM_ABCD3_GCC as ready
Mendeliome v1.1898 OPDM_ABCD3_GCC Bryony Thompson Str: opdm_abcd3_gcc has been classified as Green List (High Evidence).
Mendeliome v1.1898 OPDM_ABCD3_GCC Bryony Thompson Classified STR: OPDM_ABCD3_GCC as Green List (high evidence)
Mendeliome v1.1898 OPDM_ABCD3_GCC Bryony Thompson Str: opdm_abcd3_gcc has been classified as Green List (High Evidence).
Mendeliome v1.1897 OPDM_ABCD3_GCC Bryony Thompson STR: OPDM_ABCD3_GCC was added
STR: OPDM_ABCD3_GCC was added to Mendeliome. Sources: Literature
Mode of inheritance for STR: OPDM_ABCD3_GCC was set to MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Publications for STR: OPDM_ABCD3_GCC were set to 39068203
Phenotypes for STR: OPDM_ABCD3_GCC were set to Oculopharyngodistal myopathy MONDO:0025193
Review for STR: OPDM_ABCD3_GCC was set to GREEN
STR: OPDM_ABCD3_GCC was marked as clinically relevant
Added comment: 35 OPDM individuals from 8 unrelated families from Australia, the UK, and France with an ABCD3 5’UTR CGG repeat. Affected individuals had repeat expansions ranging from 118-694 (n=19). 7 repeats is the median repeat size in non-neurological controls from the GE 100,000 Genome Project. 10 controls had estimated repeats >50, up to ~93. 50 repeats would be a safe cut-off for normal
Sources: Literature
Mendeliome v1.1884 MYZAP Zornitza Stark changed review comment from: 10 individuals from four unrelated families with bi-allelic variants in this gene with DCM. Supportive zebrafish model. Note the MYZAP and GCOM1 genes are part of the GRINL1A complex transcription unit. Some of the reported variants affect GCOM1 with postulated effect on MYZAP due to read through transcription (two families), and in the rest of the families MYZAP was affected directly.
Sources: Literature; to: 10 individuals from four unrelated families with bi-allelic variants in this gene with DCM. Supportive zebrafish model.

The MYZAP gene is part of the GRINL1A complex transcription unit (CTU), or GCOM1, which also includes the downstream POLR2M gene, or GRINL1A.. Some of the reported variants affect GCOM1 with postulated effect on MYZAP due to read through transcription (two families), and in the rest of the families MYZAP was affected directly.

Transcription from an upstream promoter within the GRINL1A CTU produces 2 types of alternatively spliced transcripts: MYZAP transcripts, also called GRINL1A upstream (GUP) transcripts, which include only exons from the MYZAP gene, and GRINL1A combined (GCOM) transcripts, which include exons from both the MYZAP gene and the downstream POLR2M gene. Transcription of the POLR2M gene initiates at a downstream promoter within the GRINL1A CTU and produces alternatively spliced POLR2M transcripts, also called GRINL1A downstream (GDOWN) transcripts, which include only exons from the POLR2M gene
Sources: Literature
Mendeliome v1.1883 MYZAP Zornitza Stark gene: MYZAP was added
gene: MYZAP was added to Mendeliome. Sources: Literature
Mode of inheritance for gene: MYZAP was set to BIALLELIC, autosomal or pseudoautosomal
Publications for gene: MYZAP were set to 34899865; 35840178; 38436102; 20093627
Phenotypes for gene: MYZAP were set to Cardiomyopathy, dilated, 2K, MIM# 620894
Review for gene: MYZAP was set to GREEN
Added comment: 10 individuals from four unrelated families with bi-allelic variants in this gene with DCM. Supportive zebrafish model. Note the MYZAP and GCOM1 genes are part of the GRINL1A complex transcription unit. Some of the reported variants affect GCOM1 with postulated effect on MYZAP due to read through transcription (two families), and in the rest of the families MYZAP was affected directly.
Sources: Literature
Mendeliome v1.1876 SELENBP1 Sangavi Sivagnanasundram gene: SELENBP1 was added
gene: SELENBP1 was added to Mendeliome. Sources: ClinGen
Mode of inheritance for gene: SELENBP1 was set to BIALLELIC, autosomal or pseudoautosomal
Publications for gene: SELENBP1 were set to 29255262
Phenotypes for gene: SELENBP1 were set to extraoral halitosis due to methanethiol oxidase deficiency MONDO:0029144
Review for gene: SELENBP1 was set to GREEN
Added comment: 3 unrelated probands in one publication. All reported individuals had a “cabbage-like” breath odour due to the elevated levels of methanethiol and dimethylsulfide in their breath.
Knockout mouse model recapitulating the human phenotype including the biochemical characteristics.

Classified as Moderate by ClinGen Aminoacidopathy GCEP on 11/11/2022
https://search.clinicalgenome.org/CCID:006103
Sources: ClinGen
Mendeliome v1.1876 PRODH2 Sangavi Sivagnanasundram gene: PRODH2 was added
gene: PRODH2 was added to Mendeliome. Sources: ClinGen
Mode of inheritance for gene: PRODH2 was set to BIALLELIC, autosomal or pseudoautosomal
Publications for gene: PRODH2 were set to 27139199
Phenotypes for gene: PRODH2 were set to hydroxyprolinemia MONDO:0009374
Review for gene: PRODH2 was set to RED
Added comment: PMID: 27139199
Variants reported in 6 individuals however only 2 cases presented with intermittant biochemical phenotype however the cause remains unclear. The rest of the individuals were asymptomatic suggesting that hydroxyprolinemia is a benign condition.

Classified as Limited by ClinGen Aminoacidopathy GCEP on 12/12/2022
https://search.clinicalgenome.org/CCID:005893
Sources: ClinGen
Mendeliome v1.1837 HYKK Zornitza Stark gene: HYKK was added
gene: HYKK was added to Mendeliome. Sources: Literature
Mode of inheritance for gene: HYKK was set to BIALLELIC, autosomal or pseudoautosomal
Publications for gene: HYKK were set to 23242558
Phenotypes for gene: HYKK were set to inborn disorder of lysine and hydroxylysine metabolism MONDO:0017351
Review for gene: HYKK was set to RED
Added comment: No known gene-disease association as classified by ClinGen Aminoacidopathy GCEP on 14/07/2023 - https://search.clinicalgenome.org/CCID:005104 HYKK has been reported as a disorders of lysine, hydroxylysine, and tryptophan metabolism by ICIMD however there are no reported pathogenic variants in this gene to support the gene-disease association.
Sources: Literature
Mendeliome v1.1836 KMO Zornitza Stark gene: KMO was added
gene: KMO was added to Mendeliome. Sources: Literature
Mode of inheritance for gene: KMO was set to BIALLELIC, autosomal or pseudoautosomal
Publications for gene: KMO were set to 28187857; 24189070
Phenotypes for gene: KMO were set to pellagra MONDO:0019975
Review for gene: KMO was set to RED
Added comment: Classified as no known disease relationship by ClinGen Aminoacidopathy GCEP on 12/05/2023 - https://search.clinicalgenome.org/CCID:005248 Only two knock out mouse models have ben reported that exhibited behavioural changes including memory impairment and anxiety like behaviour. Not reported as disease causing in any affected individuals at this stage and no evidence of any inborn errors of amino acid metabolism.
Sources: Literature
Mendeliome v1.1796 DGCR8 Andrew Fennell reviewed gene: DGCR8: Rating: AMBER; Mode of pathogenicity: Loss-of-function variants (as defined in pop up message) DO NOT cause this phenotype - please provide details in the comments; Publications: PMID: 34821987; Phenotypes: Early-onset multinodular goiter and schwannomatosis; Mode of inheritance: MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Mendeliome v1.1770 ADAMTS18 Sangavi Sivagnanasundram gene: ADAMTS18 was added
gene: ADAMTS18 was added to Mendeliome. Sources: Other
Mode of inheritance for gene: ADAMTS18 was set to BIALLELIC, autosomal or pseudoautosomal
Publications for gene: ADAMTS18 were set to https://search.clinicalgenome.org/CCID:004057
Phenotypes for gene: ADAMTS18 were set to microcornea-myopic chorioretinal atrophy (MONDO:0014195)
Review for gene: ADAMTS18 was set to GREEN
Added comment: Classified DEFINITIVE by ClinGen Retina GCEP on 02/03/20222 - https://search.clinicalgenome.org/CCID:004057
Sources: Other
Mendeliome v1.1770 DNAH17 Sangavi Sivagnanasundram changed review comment from: Classified DEFINITIVE by ClinGen on 08/09/2022 - https://search.clinicalgenome.org/CCID:004669
Sources: Other; to: Classified DEFINITIVE by ClinGen Motile Ciliopathies GCEP on 08/09/2022 - https://search.clinicalgenome.org/CCID:004669
Sources: Other
Mendeliome v1.1671 SCA4_ZFHX3_GGC Bryony Thompson Marked STR: SCA4_ZFHX3_GGC as ready
Mendeliome v1.1671 SCA4_ZFHX3_GGC Bryony Thompson Str: sca4_zfhx3_ggc has been classified as Green List (High Evidence).
Mendeliome v1.1671 SCA4_ZFHX3_GGC Bryony Thompson Classified STR: SCA4_ZFHX3_GGC as Green List (high evidence)
Mendeliome v1.1671 SCA4_ZFHX3_GGC Bryony Thompson Str: sca4_zfhx3_ggc has been classified as Green List (High Evidence).
Mendeliome v1.1670 SCA4_ZFHX3_GGC Bryony Thompson STR: SCA4_ZFHX3_GGC was added
STR: SCA4_ZFHX3_GGC was added to Mendeliome. Sources: Literature
Mode of inheritance for STR: SCA4_ZFHX3_GGC was set to MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Publications for STR: SCA4_ZFHX3_GGC were set to 38035881; 38197134
Phenotypes for STR: SCA4_ZFHX3_GGC were set to spinocerebellar ataxia type 4 MONDO:0010847
Review for STR: SCA4_ZFHX3_GGC was set to GREEN
STR: SCA4_ZFHX3_GGC was marked as clinically relevant
Added comment: PMID: 38035881 - repeat expansion is identified in 5 Swedish ataxia families that developed balance and gait disturbances at 15 to 60 years of age and had sensory neuropathy and slow saccades.
PMID: 38197134 - Poly-glycine GGC expansion in the last coding exon of ZFHX3 was identified in the original SCA4 Utah pedigree (Swedish origin) in the region of high linkage identified on 16q22. The expansion was also identified in an Iowa ataxia pedigree of Swedish ancestry. The expansion wasn’t identified in 11,258 exomes, 7,650 WGS probands without neurological phenotype, or 803 individuals with ataxia. Grch38 chr16:72787695–72787758
Normal allele <30 repeats, 21 repeats is the most common (derived from 33,094 individuals)
Undefined pathogenic 30-48 repeats
Definitive pathogenicity 48+ repeats
Sources: Literature
Mendeliome v1.1565 KLF11 Bryony Thompson Added comment: Comment on list classification: Association with monogenic diabetes now Refuted
Classification - 02/08/2023. ClinGen Monogenic Diabetes GCEP - https://search.clinicalgenome.org/kb/gene-validity/CGGV:assertion_b1e38a49-7c12-4514-a2a1-109e04da146f-2023-02-08T170000.000Z?page=1&size=25&search=
Mendeliome v1.1547 TMLHE Bryony Thompson Added comment: Comment on list classification: ClinGen Disputed gene-disease association Classification - 03/02/2021 by ID & Autism GCEP: https://search.clinicalgenome.org/kb/gene-validity/CGGV:assertion_7a780ea6-ad4e-417a-a596-27188e327aad-2021-03-02T050000.000Z?page=1&size=25&search=
Mendeliome v1.1376 RRAGC Zornitza Stark Publications for gene: RRAGC were set to 27234373
Mendeliome v1.1375 RRAGC Zornitza Stark Phenotypes for gene: RRAGC were changed from Dilated cardiomyopathy (MONDO:0005021), RRAGC-related to Long-Olsen syndrome, MIM# 620609
Mendeliome v1.1361 TUBGCP2 Zornitza Stark Phenotypes for gene: TUBGCP2 were changed from Lissencephaly; pachygyria; subcortical band heterotopia; microcephaly; intellectual disability to Pachygyria, microcephaly, developmental delay, and dysmorphic facies, with or without seizures, OMIM # 618737; Lissencephaly; pachygyria; subcortical band heterotopia; microcephaly; intellectual disability
Mendeliome v1.1360 TUBGCP2 Zornitza Stark edited their review of gene: TUBGCP2: Changed phenotypes: Pachygyria, microcephaly, developmental delay, and dysmorphic facies, with or without seizures, OMIM # 618737, Lissencephaly, pachygyria, subcortical band heterotopia, microcephaly, intellectual disability
Mendeliome v1.1117 APOL1 Zornitza Stark edited their review of gene: APOL1: Added comment: Assigned Definitive gene-disease validity by the ClinGen Glomerulopathy GCEP - Classification - 09/28/2021
Increased risk of kidney and glomerular diseases in persons carrying two of the risk alleles in this gene: G1/G1, G2/G2 and compound heterozygous G1/G2.
PMID: 20647424 - first study to identify G1 & G2 alleles associated with risk of renal disease. Comparing participants with zero or 1 risk allele of APOL1 to participants with 2 risk alleles provided an odds ratio for FSGS of 10.5 (CI, 6.0-18.4). This analysis supported a completely recessive pattern of inheritance.
PMID: 25993319 - only G1 and G2 confer renal risk, and other common and rare APOL1 missense variants, including the archaic G3 haplotype, do not contribute to sporadic FSGS and HIVAN
rs73885319 (G1) OR 9.66, p=9.97E-25
rs60910145 (G1) OR 9.75, p=9.04E-24
rs71785313 (G2) OR 5.69, p=3.39E-06
2 APOL1 risk alleles OR 18.31, p=3.31E-58
PMID: 34350953 - recessive gain-of-function toxicity mouse model recapitulates human kidney disease
G1:
p.Ser342Gly, AFR/AA gnomAD v2.1 AF 0.2276 (5,671/24,920 alleles, 687 homozygotes)
p.Ile384Met, AFR/AA gnomAD v2.1 AF 0.2278 (5,487/24,082 alleles, 662 homozygotes)
G2:
p.Asn388_Tyr389del, AFR/AA gnomAD v2.1 AF 0.1402(3,402/24,268 alleles, 224 homozygotes

AMBER status due to these being susceptibility alleles, and evidence being limited to these specific variants.; Changed rating: AMBER
Mendeliome v1.1042 KLK1 Zornitza Stark edited their review of gene: KLK1: Added comment: Association with PAH:

PMID: 31727138
screening of the biobank - 12 individuals with genetic variant in KLK1 relevant to PAH (not all were found to be hereditary). Assay showed that carriers of variants in KLK1 are less clinically severe compared to those who carry variants in BMPR2.

PMID: 17573418
Functional study using sensitive and specific type ELISAs to assay multiple panels of human tissue. KLK1 tissue was abundantly expressed in the pancreas and salivary gland and moderately expressed in the lungs.

Reviewed by ClinGen Pulmonary Hypertension GCEP on 30/8/2022 with LIMITED evidence supporting gene-disease validity; Changed publications: 31727138, 17573418; Changed phenotypes: [Kallikrein, decreased urinary activity of] 615953, Pulmonary arterial hypertension MONDO:0015924; Changed mode of inheritance: MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Mendeliome v1.952 CD2AP Bryony Thompson Added comment: Comment on list classification: Definitive gene-disease assessment by ClinGen Glomerulopathy GCEP - classified 13/12/2021
Mendeliome v1.946 GCSH Zornitza Stark Phenotypes for gene: GCSH were changed from Glycine encephalopathy MIM#605899; neurodevelopmental disorder MONDO#0700092, GCHS-related to Multiple mitochondrial dysfunctions syndrome 7, MIM# 620423
Mendeliome v1.945 EWSR1 Bryony Thompson Added comment: Comment on list classification: Disputed gene-disease validity assessment by ClinGen ALS spectrum disorders GCEP - 11/10/2022
Mendeliome v1.919 HMGCR Zornitza Stark Phenotypes for gene: HMGCR were changed from [Low density lipoprotein cholesterol level QTL 3] to autosomal recessive limb-girdle muscular dystrophy (MONDO: 0015152), HMGCR-related
Mendeliome v1.918 HMGCR Zornitza Stark Publications for gene: HMGCR were set to 18354102; 29480216
Mendeliome v1.917 HMGCR Zornitza Stark Mode of inheritance for gene: HMGCR was changed from Unknown to BIALLELIC, autosomal or pseudoautosomal
Mendeliome v1.916 HMGCR Zornitza Stark Classified gene: HMGCR as Green List (high evidence)
Mendeliome v1.916 HMGCR Zornitza Stark Gene: hmgcr has been classified as Green List (High Evidence).
Mendeliome v1.906 HMGCR Naomi Baker reviewed gene: HMGCR: Rating: GREEN; Mode of pathogenicity: None; Publications: PMID: 37167966, 36745799; Phenotypes: autosomal recessive limb-girdle muscular dystrophy (MONDO: 0015152), HMGCR-related; Mode of inheritance: BIALLELIC, autosomal or pseudoautosomal
Mendeliome v1.877 RRAGC Zornitza Stark Phenotypes for gene: RRAGC were changed from Dilated cardiomyopathy; cataract to Dilated cardiomyopathy (MONDO:0005021), RRAGC-related
Mendeliome v1.876 RRAGC Zornitza Stark Classified gene: RRAGC as Green List (high evidence)
Mendeliome v1.876 RRAGC Zornitza Stark Gene: rragc has been classified as Green List (High Evidence).
Mendeliome v1.855 RRAGC Naomi Baker reviewed gene: RRAGC: Rating: GREEN; Mode of pathogenicity: None; Publications: PMID:37057673, 27234373, 33057194; Phenotypes: Dilated cardiomyopathy (MONDO:0005021), RRAGC-related; Mode of inheritance: MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Mendeliome v1.782 BIN1 Bryony Thompson Added comment: Comment on mode of inheritance: ClinGen Definititive for semidominant for centronuclear myopathy by the Congenital myopathy GCEP - Classification - 04/27/2020
Mendeliome v1.711 EPHA10 Achchuthan Shanmugasundram changed review comment from: Comment on rating: This gene should be rated RED as this gene has been associated with post-lingual autosomal dominant non-syndromic hearing loss from a single family, and supported by functional studies.

PMID:36048850 reported the identification of a heterozygous non-coding variant c.-81_-73delinsAGC cosegregating with hearing loss. Although variants have been identified in KIF17 and USP48 in several members of this family, they did not cosegregate with hearing loss. One affected member of this family had an ideal hearing restoration after cochlear implantation.

Epha10 was expressed in mouse cochlea at both transcription and translation levels. In addition, EPHA10 mRNA was detected upregulated in patients compared with controls by qRT-PCR. Overexpression of Eph (the homolog of human EPHA10) altered the structure and function of chordotonal organ (equivalent to mammalian auditory organs) in fly model. These functional evidence suggests that 'gain of function' may be responsible for the hearing loss phenotype.

This gene has not yet been associated with any phenotypes in OMIM or Gene2Phenotype.
Sources: Literature; to: Comment on rating: This gene should be rated RED as this gene has been associated with post-lingual autosomal dominant non-syndromic hearing loss from a single family, and supported by functional studies.

PMID:36048850 reported the identification of a heterozygous non-coding variant c.-81_-73delinsAGC cosegregating with hearing loss. Although variants have been identified in KIF17 and USP48 in several members of this family, they did not cosegregate with hearing loss. One affected member of this family had an ideal hearing restoration after cochlear implantation.

Epha10 was expressed in mouse cochlea at both transcription and translation levels. In addition, EPHA10 mRNA was detected upregulated in patients compared with controls by qRT-PCR. Overexpression of Eph (the homolog of human EPHA10) altered the structure and function of chordotonal organ (equivalent to mammalian auditory organs) in fly model. Particularly, Eph overexpressed flies had a poorer performance compared to controls in negative geotaxis assay. These functional evidence suggests that 'gain of function' may be responsible for the hearing loss phenotype.

This gene has not yet been associated with any phenotypes in OMIM or Gene2Phenotype.
Sources: Literature
Mendeliome v1.711 EPHA10 Achchuthan Shanmugasundram changed review comment from: Comment on rating: This gene should be rated RED as this gene has been associated with post-lingual autosomal dominant non-syndromic hearing loss from a single family, and supported by functional studies.

PMID:36048850 reported the identification of a heterozygous non-coding variant c.-81_-73delinsAGC cosegregating with hearing loss. Although variants have been identified in KIF17 and USP48 in several members of this family, they did not cosegregate with hearing loss. One affected member of this family had an ideal hearing restoration after cochlear implantation.

Epha10 was expressed in mouse cochlea at both transcription and translation levels. In addition, EPHA10 mRNA was detected upregulated in patients compared with controls by qRT-PCR. Overexpression of Eph (the homolog of human EPHA10) altered the structure and function of chordotonal organ (equivalent to mammalian auditory organs) in fly model. These functional evidence suggests that 'gain of function' may be responsible for the hearing loss phenotype.

This gene has not yet been associated with any phenotypes in OMIM or Gene2Phenotype.
Sources: Literature; to: Comment on rating: This gene should be rated RED as this gene has been associated with post-lingual autosomal dominant non-syndromic hearing loss from a single family, and supported by functional studies.

PMID:36048850 reported the identification of a heterozygous non-coding variant c.-81_-73delinsAGC cosegregating with hearing loss. Although variants have been identified in KIF17 and USP48 in several members of this family, they did not cosegregate with hearing loss. One affected member of this family had an ideal hearing restoration after cochlear implantation.

Epha10 was expressed in mouse cochlea at both transcription and translation levels. In addition, EPHA10 mRNA was detected upregulated in patients compared with controls by qRT-PCR. Overexpression of Eph (the homolog of human EPHA10) altered the structure and function of chordotonal organ (equivalent to mammalian auditory organs) in fly model. These functional evidence suggests that 'gain of function' may be responsible for the hearing loss phenotype.

This gene has not yet been associated with any phenotypes in OMIM or Gene2Phenotype.
Sources: Literature
Mendeliome v1.711 EPHA10 Achchuthan Shanmugasundram gene: EPHA10 was added
gene: EPHA10 was added to Mendeliome. Sources: Literature
Mode of inheritance for gene: EPHA10 was set to MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Publications for gene: EPHA10 were set to 36048850
Phenotypes for gene: EPHA10 were set to postlingual non-syndromic genetic hearing loss, MONDO:0016298
Mode of pathogenicity for gene: EPHA10 was set to Loss-of-function variants (as defined in pop up message) DO NOT cause this phenotype - please provide details in the comments
Review for gene: EPHA10 was set to RED
Added comment: Comment on rating: This gene should be rated RED as this gene has been associated with post-lingual autosomal dominant non-syndromic hearing loss from a single family, and supported by functional studies.

PMID:36048850 reported the identification of a heterozygous non-coding variant c.-81_-73delinsAGC cosegregating with hearing loss. Although variants have been identified in KIF17 and USP48 in several members of this family, they did not cosegregate with hearing loss. One affected member of this family had an ideal hearing restoration after cochlear implantation.

Epha10 was expressed in mouse cochlea at both transcription and translation levels. In addition, EPHA10 mRNA was detected upregulated in patients compared with controls by qRT-PCR. Overexpression of Eph (the homolog of human EPHA10) altered the structure and function of chordotonal organ (equivalent to mammalian auditory organs) in fly model. These functional evidence suggests that 'gain of function' may be responsible for the hearing loss phenotype.

This gene has not yet been associated with any phenotypes in OMIM or Gene2Phenotype.
Sources: Literature
Mendeliome v1.354 GCSH Ain Roesley Phenotypes for gene: GCSH were changed from Glycine encephalopathy, MIM# 605899 to Glycine encephalopathy MIM#605899; neurodevelopmental disorder MONDO#0700092, GCHS-related
Mendeliome v1.353 GCSH Ain Roesley Publications for gene: GCSH were set to 1671321
Mendeliome v1.352 GCSH Ain Roesley edited their review of gene: GCSH: Changed mode of inheritance: BIALLELIC, autosomal or pseudoautosomal
Mendeliome v1.352 GCSH Ain Roesley edited their review of gene: GCSH: Changed phenotypes: Glycine encephalopathy MIM#605899, neurodevelopmental disorder MONDO#0700092, GCHS-related
Mendeliome v1.352 GCSH Ain Roesley Classified gene: GCSH as Green List (high evidence)
Mendeliome v1.352 GCSH Ain Roesley Gene: gcsh has been classified as Green List (High Evidence).
Mendeliome v1.351 GCSH Ain Roesley reviewed gene: GCSH: Rating: GREEN; Mode of pathogenicity: None; Publications: 36190515; Phenotypes: glycine encephalopathy MONDO#0011612, GCSH-related, neurodevelopmental disorder MONDO#0700092, GCHS-related; Mode of inheritance: MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted; Current diagnostic: yes
Mendeliome v1.343 GCDH Zornitza Stark Tag treatable tag was added to gene: GCDH.
Mendeliome v1.343 HMGCL Zornitza Stark Tag treatable tag was added to gene: HMGCL.
Mendeliome v1.79 GCH1 Zornitza Stark Phenotypes for gene: GCH1 were changed from Hyperphenylalaninemia, BH4-deficient, B, MIM# 233910; Dystonia, DOPA-responsive, with or without hyperphenylalaninemia, MIM# 128230 to Hyperphenylalaninemia, BH4-deficient, B, MIM# 233910; Dystonia, DOPA-responsive, with or without hyperphenylalaninemia, MIM# 128230; Hereditary spastic paraplegia MONDO:0019064, GCH1-related
Mendeliome v1.78 GCH1 Zornitza Stark Publications for gene: GCH1 were set to 7874165; 11113234; 15753436; 9667588; 10987649; 32170445; 32278297; 32746945; 30314816
Mendeliome v1.77 GCH1 Zornitza Stark reviewed gene: GCH1: Rating: GREEN; Mode of pathogenicity: None; Publications: 21935284, 24509643, 33713342; Phenotypes: Hereditary spastic paraplegia MONDO:0019064, GCH1-related; Mode of inheritance: MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Mendeliome v1.3 PCDHGC4 Zornitza Stark Phenotypes for gene: PCDHGC4 were changed from Intellectual disability; Seizures to Neurodevelopmental disorder with poor growth and skeletal anomalies, MIM# 619880
Mendeliome v1.2 PCDHGC4 Zornitza Stark edited their review of gene: PCDHGC4: Changed phenotypes: Neurodevelopmental disorder with poor growth and skeletal anomalies, MIM# 619880
Mendeliome v0.14710 GCDH Zornitza Stark Marked gene: GCDH as ready
Mendeliome v0.14710 GCDH Zornitza Stark Gene: gcdh has been classified as Green List (High Evidence).
Mendeliome v0.14710 GCDH Zornitza Stark Phenotypes for gene: GCDH were changed from to Glutaric aciduria, type I MIM#231670; Organic acidurias
Mendeliome v0.14709 GCDH Zornitza Stark Publications for gene: GCDH were set to
Mendeliome v0.14708 GCDH Zornitza Stark Mode of inheritance for gene: GCDH was changed from Unknown to BIALLELIC, autosomal or pseudoautosomal
Mendeliome v0.14707 GCH1 Zornitza Stark Marked gene: GCH1 as ready
Mendeliome v0.14707 GCH1 Zornitza Stark Gene: gch1 has been classified as Green List (High Evidence).
Mendeliome v0.14707 GCH1 Zornitza Stark Phenotypes for gene: GCH1 were changed from to Hyperphenylalaninemia, BH4-deficient, B, MIM# 233910; Dystonia, DOPA-responsive, with or without hyperphenylalaninemia, MIM# 128230
Mendeliome v0.14706 GCH1 Zornitza Stark Publications for gene: GCH1 were set to
Mendeliome v0.14705 GCH1 Zornitza Stark Mode of inheritance for gene: GCH1 was changed from Unknown to BOTH monoallelic and biallelic, autosomal or pseudoautosomal
Mendeliome v0.14704 GCK Zornitza Stark Marked gene: GCK as ready
Mendeliome v0.14704 GCK Zornitza Stark Gene: gck has been classified as Green List (High Evidence).
Mendeliome v0.14704 GCK Zornitza Stark Phenotypes for gene: GCK were changed from to Diabetes mellitus, noninsulin-dependent, late onset, AD (MIM#125853); Diabetes mellitus, permanent neonatal 1, AR (MIM#606176); Hyperinsulinemic hypoglycemia, familial, 3, AD (MIM#602485); MODY, type II, AD (MIM#125851)
Mendeliome v0.14703 GCK Zornitza Stark Publications for gene: GCK were set to
Mendeliome v0.14702 GCK Zornitza Stark Mode of inheritance for gene: GCK was changed from Unknown to BOTH monoallelic and biallelic, autosomal or pseudoautosomal
Mendeliome v0.14701 GCNT2 Zornitza Stark Marked gene: GCNT2 as ready
Mendeliome v0.14701 GCNT2 Zornitza Stark Gene: gcnt2 has been classified as Green List (High Evidence).
Mendeliome v0.14700 GCNT2 Zornitza Stark Phenotypes for gene: GCNT2 were changed from to Cataract 13 with adult i phenotype, OMIM # 116700
Mendeliome v0.14699 GCNT2 Zornitza Stark Publications for gene: GCNT2 were set to
Mendeliome v0.14698 GCNT2 Zornitza Stark Mode of inheritance for gene: GCNT2 was changed from Unknown to BIALLELIC, autosomal or pseudoautosomal
Mendeliome v0.14592 GCNT2 Chirag Patel reviewed gene: GCNT2: Rating: GREEN; Mode of pathogenicity: None; Publications: PMID: 15161861, 27936067, 12424189, 28224043; Phenotypes: Cataract 13 with adult i phenotype, OMIM # 116700; Mode of inheritance: BIALLELIC, autosomal or pseudoautosomal
Mendeliome v0.14592 GCK Chirag Patel reviewed gene: GCK: Rating: GREEN; Mode of pathogenicity: None; Publications: PMID: 19790256; Phenotypes: Diabetes mellitus, noninsulin-dependent, late onset, AD (MIM#125853), Diabetes mellitus, permanent neonatal 1, AR (MIM#606176), Hyperinsulinemic hypoglycemia, familial, 3, AD (MIM#602485), MODY, type II, AD (MIM#125851); Mode of inheritance: BOTH monoallelic and biallelic, autosomal or pseudoautosomal
Mendeliome v0.14588 GCH1 Chirag Patel reviewed gene: GCH1: Rating: GREEN; Mode of pathogenicity: None; Publications: PMID: 7874165, 11113234, 15753436, 9667588, 10987649, 32170445, 32278297, 32746945, 30314816; Phenotypes: Hyperphenylalaninemia, BH4-deficient, B, MIM# 233910, Dystonia, DOPA-responsive, with or without hyperphenylalaninemia, MIM# 128230; Mode of inheritance: BOTH monoallelic and biallelic, autosomal or pseudoautosomal
Mendeliome v0.14096 SGCG Zornitza Stark Marked gene: SGCG as ready
Mendeliome v0.14096 SGCG Zornitza Stark Gene: sgcg has been classified as Green List (High Evidence).
Mendeliome v0.14096 SGCG Zornitza Stark Phenotypes for gene: SGCG were changed from to Muscular dystrophy, limb-girdle, autosomal recessive 5 MIM#253700; autosomal recessive limb-girdle muscular dystrophy MONDO:0015152
Mendeliome v0.14095 SGCG Zornitza Stark Publications for gene: SGCG were set to
Mendeliome v0.14094 SGCG Zornitza Stark Mode of inheritance for gene: SGCG was changed from Unknown to BIALLELIC, autosomal or pseudoautosomal
Mendeliome v0.13382 PIGC Zornitza Stark Marked gene: PIGC as ready
Mendeliome v0.13382 PIGC Zornitza Stark Gene: pigc has been classified as Green List (High Evidence).
Mendeliome v0.13382 PIGC Zornitza Stark Phenotypes for gene: PIGC were changed from to Glycosylphosphatidylinositol biosynthesis defect 16, MIM# 617816
Mendeliome v0.13381 PIGC Zornitza Stark Publications for gene: PIGC were set to
Mendeliome v0.13380 PIGC Zornitza Stark Mode of inheritance for gene: PIGC was changed from Unknown to BIALLELIC, autosomal or pseudoautosomal
Mendeliome v0.13379 PIGC Zornitza Stark reviewed gene: PIGC: Rating: GREEN; Mode of pathogenicity: None; Publications: 27694521, 32707268; Phenotypes: Glycosylphosphatidylinositol biosynthesis defect 16, MIM# 617816; Mode of inheritance: BIALLELIC, autosomal or pseudoautosomal
Mendeliome v0.13061 SGCG Samantha Ayres reviewed gene: SGCG: Rating: GREEN; Mode of pathogenicity: None; Publications: 18285821, 8923014, 7481775, 8968757, 27708273; Phenotypes: Muscular dystrophy, limb-girdle, autosomal recessive 5 MIM#253700, autosomal recessive limb-girdle muscular dystrophy MONDO:0015152; Mode of inheritance: BIALLELIC, autosomal or pseudoautosomal
Mendeliome v0.12933 GCNA Zornitza Stark Phenotypes for gene: GCNA were changed from Spermatogenic failure, X-linked, 4, MIM# 301077 to Spermatogenic failure, X-linked, 4, MIM# 301077
Mendeliome v0.12933 GCNA Zornitza Stark Phenotypes for gene: GCNA were changed from primary spermatogenic failure to Spermatogenic failure, X-linked, 4, MIM# 301077
Mendeliome v0.12932 GCNA Zornitza Stark reviewed gene: GCNA: Rating: GREEN; Mode of pathogenicity: None; Publications: ; Phenotypes: Spermatogenic failure, X-linked, 4, MIM# 301077; Mode of inheritance: X-LINKED: hemizygous mutation in males, biallelic mutations in females
Mendeliome v0.12910 SGCD Zornitza Stark Marked gene: SGCD as ready
Mendeliome v0.12910 SGCD Zornitza Stark Gene: sgcd has been classified as Green List (High Evidence).
Mendeliome v0.12910 SGCD Zornitza Stark Phenotypes for gene: SGCD were changed from to Muscular dystrophy, limb-girdle, autosomal recessive 6, MIM# 601287; autosomal recessive limb-girdle muscular dystrophy MONDO:0015152
Mendeliome v0.12909 SGCD Zornitza Stark Publications for gene: SGCD were set to
Mendeliome v0.12908 SGCD Zornitza Stark Mode of inheritance for gene: SGCD was changed from Unknown to BIALLELIC, autosomal or pseudoautosomal
Mendeliome v0.12907 SGCD Zornitza Stark reviewed gene: SGCD: Rating: GREEN; Mode of pathogenicity: None; Publications: 8841194, 19259135, 20623375, 10838250, 10735275, 9832045, 30733730; Phenotypes: Muscular dystrophy, limb-girdle, autosomal recessive 6, MIM# 601287, autosomal recessive limb-girdle muscular dystrophy MONDO:0015152; Mode of inheritance: BIALLELIC, autosomal or pseudoautosomal
Mendeliome v0.12907 SGCB Zornitza Stark Marked gene: SGCB as ready
Mendeliome v0.12907 SGCB Zornitza Stark Gene: sgcb has been classified as Green List (High Evidence).
Mendeliome v0.12907 SGCB Zornitza Stark Phenotypes for gene: SGCB were changed from to Muscular dystrophy, limb-girdle, autosomal recessive 4 MIM#604286; autosomal recessive limb-girdle muscular dystrophy, MONDO:0015152
Mendeliome v0.12906 SGCB Zornitza Stark Publications for gene: SGCB were set to
Mendeliome v0.12905 SGCB Zornitza Stark Mode of inheritance for gene: SGCB was changed from Unknown to BIALLELIC, autosomal or pseudoautosomal
Mendeliome v0.12904 SGCA Zornitza Stark Marked gene: SGCA as ready
Mendeliome v0.12904 SGCA Zornitza Stark Gene: sgca has been classified as Green List (High Evidence).
Mendeliome v0.12904 SGCA Zornitza Stark Phenotypes for gene: SGCA were changed from to Muscular dystrophy, limb-girdle, autosomal recessive 3 MIM#608099; autosomal recessive limb-girdle muscular dystrophy, MONDO:0015152
Mendeliome v0.12903 SGCA Zornitza Stark Publications for gene: SGCA were set to
Mendeliome v0.12902 SGCA Zornitza Stark Mode of inheritance for gene: SGCA was changed from Unknown to BIALLELIC, autosomal or pseudoautosomal
Mendeliome v0.12859 SGCD Samantha Ayres edited their review of gene: SGCD: Added comment: Variants identified in multiple cases of cardiomyopathy, however most are too common in the general population to explain the disease.
First described in the literature with potential association to cardiomyopathy in 2000 (Tsubata et al 10974018).
Case-control study by Mazzarotto et al 2020, did not identify enrichment of SGCD in DCM cohort.

Animal models demonstrate mild cardiomyopathy phenotype.

Curated as 'limited' gene-disease association by ClinGen; Changed rating: RED; Changed publications: 10974018, 31983221, 23695275; Changed phenotypes: Cardiomyopathy, dilated, 1L, MIM#606685, dilated cardiomyopathy MONDO:0005021; Changed mode of inheritance: MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Mendeliome v0.12859 SGCD Samantha Ayres reviewed gene: SGCD: Rating: GREEN; Mode of pathogenicity: None; Publications: 8841194, 30733730, 10838250; Phenotypes: autosomal recessive limb-girdle muscular dystrophy MONDO:0015152, Muscular dystrophy, limb-girdle, autosomal recessive 6, MIM#601287; Mode of inheritance: BIALLELIC, autosomal or pseudoautosomal
Mendeliome v0.12859 SGCB Samantha Ayres reviewed gene: SGCB: Rating: GREEN; Mode of pathogenicity: None; Publications: 18285821; Phenotypes: Muscular dystrophy, limb-girdle, autosomal recessive 4 MIM#604286, autosomal recessive limb-girdle muscular dystrophy, MONDO:0015152; Mode of inheritance: BIALLELIC, autosomal or pseudoautosomal
Mendeliome v0.12859 SGCA Samantha Ayres reviewed gene: SGCA: Rating: GREEN; Mode of pathogenicity: None; Publications: 30007747, 9192266, 34404573; Phenotypes: Muscular dystrophy, limb-girdle, autosomal recessive 3 MIM#608099, autosomal recessive limb-girdle muscular dystrophy, MONDO:0015152; Mode of inheritance: BIALLELIC, autosomal or pseudoautosomal
Mendeliome v0.11768 TXNRD2 Zornitza Stark Phenotypes for gene: TXNRD2 were changed from to Glucocorticoid deficiency 5 (GCCD5), MIM#617825; MONDO:0040502
Mendeliome v0.11764 TXNRD2 Zornitza Stark reviewed gene: TXNRD2: Rating: AMBER; Mode of pathogenicity: None; Publications: 34258490; Phenotypes: Glucocorticoid deficiency 5 (GCCD5), MIM#617825, MONDO:0040502; Mode of inheritance: BIALLELIC, autosomal or pseudoautosomal
Mendeliome v0.11732 TXNRD2 Manny Jacobs reviewed gene: TXNRD2: Rating: AMBER; Mode of pathogenicity: None; Publications: PMID: 24601690, PMID: 21247928; Phenotypes: # 617825 Glucocorticoid deficiency 5 (GCCD5) MONDO:0040502; Mode of inheritance: BIALLELIC, autosomal or pseudoautosomal
Mendeliome v0.10355 HMGCR Zornitza Stark Phenotypes for gene: HMGCR were changed from to [Low density lipoprotein cholesterol level QTL 3]
Mendeliome v0.10354 HMGCR Zornitza Stark Marked gene: HMGCR as ready
Mendeliome v0.10354 HMGCR Zornitza Stark Gene: hmgcr has been classified as Red List (Low Evidence).
Mendeliome v0.10354 HMGCR Zornitza Stark Publications for gene: HMGCR were set to
Mendeliome v0.10353 HMGCR Zornitza Stark Classified gene: HMGCR as Red List (low evidence)
Mendeliome v0.10353 HMGCR Zornitza Stark Gene: hmgcr has been classified as Red List (Low Evidence).
Mendeliome v0.10352 HMGCR Lucy Spencer reviewed gene: HMGCR: Rating: RED; Mode of pathogenicity: None; Publications: PMID: 18354102, 29480216; Phenotypes: ; Mode of inheritance: None
Mendeliome v0.9877 CRYGC Zornitza Stark Marked gene: CRYGC as ready
Mendeliome v0.9877 CRYGC Zornitza Stark Gene: crygc has been classified as Green List (High Evidence).
Mendeliome v0.9877 CRYGC Zornitza Stark Phenotypes for gene: CRYGC were changed from to Cataract 2, multiple types, MIM# 604307
Mendeliome v0.9876 CRYGC Zornitza Stark Publications for gene: CRYGC were set to
Mendeliome v0.9875 CRYGC Zornitza Stark Mode of inheritance for gene: CRYGC was changed from Unknown to MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Mendeliome v0.9874 CRYGC Zornitza Stark reviewed gene: CRYGC: Rating: GREEN; Mode of pathogenicity: None; Publications: 10521291, 10914683, 12011157, 19204787, 22052681; Phenotypes: Cataract 2, multiple types, MIM# 604307; Mode of inheritance: MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Mendeliome v0.9776 NEBL Bryony Thompson Added comment: Comment on list classification: Limited gene-disease vailidity, Classification - 09/25/2020 by ClinGen Dilated Cardiomyopathy GCEP. Evidence Summary: NEBL was evaluated for autosomal dominant dilated cardiomyopathy (DCM). Human genetic evidence supporting this gene-disease relationship includes case-level data. Arimura and colleagues (2000, PMID: 11140941) analyzed 83 DCM patients and 311 healthy controls, identifying 4 missense variants of unknown significance (VUSs) in 4 DCM cases. High minor allele frequencies (MAFs) and lack of segregation excluded these variants as evidence. Purevjav and colleagues (2010, PMID: 20951326) investigated a total of 260 DCM patients and 300 unrelated ethnic matched controls by direct DNA sequencing. Authors identified 4 missense VUSs. One of these variants (Q128R) was downgraded in level of evidence due to the lack of segregation. The other 3 variants were not scored because of their MAF. Perrot and colleagues (2016, PMID: 27186169) investigated a total of 389 patients with DCM, HCM, or LVNC, 320 Caucasian sex-matched controls and 192 Caucasian sex-matched blood donors and identified 3 missense VUSs in 4 families. One of these variants was also carried by healthy relatives and therefore was excluded, however this may be explained by reduced penetrance. The 2 other variants lacked segregation as well and therefore were also excluded. In addition, this gene-disease association is supported by animal models. Mastronotaro and colleagues (2015, PMID: 25987543) created a NEBL knockout mice that exhibited normal cardiac function up to 9 months of age but after 2 weeks of transaortic constriction (TAC), these mice showed Z-line widening since the age of 5 months and upregulation of cardiac stress genes (basal and after TAC) However, absence of clinical DCM features in KO-NEBL mice as well as Western Blot analysis which contradicted previous findings by showing a similar protein expression between knockout and wild-type mice, excluding it as evidence. Purevjav and colleagues (2010, PMID: 20951326) generated a transgenic mouse overexpressing WT or mutant NEBL under the control of the α-MyHC promoter (4 variants were tested). Mice overexpressing p.K60N or p.Q128R variants died within 1 year because of severe heart enlargement and heart failure. Mice overexpressing p.G202R or p.A592E were born and developed normally but after 6 months displayed reduced stress tolerance, cardiac enlargement due to left ventricle dilation, myocyte disarray, and interstitial cell infiltration. In summary, there is limited evidence to support this gene-disease relationship. More evidence is needed to support the relationship of NEBL and autosomal dominant DCM. This classification was approved by the ClinGen Dilated Cardiomyopathy Working Group on October 11, 2019 (SOP Version 7). Gene Clinical Validity Standard Operating Procedures (SOP) - SOP7
Mendeliome v0.9704 EFHC1 Bryony Thompson Added comment: Comment on list classification: ClinGen Epilepsy GCEP gene-disease association curation: Disputed - We have disregarded the very limited functional evidence in light of the complete lack of genetic evidence connecting EFHC1 and epilepsy. In summary, there is convincing evidence disputing the association between EFHC1 and epilepsy. All variants in EFHC1 associated with epilepsy have contradictory evidence for disease association (too common in ExAC/gnomAD, with minor allele frequencies (MAF) of 2.857e-5 to 0.05973). More evidence is needed to either support or refute the role EFHC1 plays in this disease. Classification - 07/27/2018, reviewed Sept 2021
Mendeliome v0.9701 CPA6 Bryony Thompson Added comment: Comment on list classification: ClinGen Epilepsy GCEP has reviewed both inheritances for gene-disease associations with epilepsy: AR disease is Disputed - There is contradictory case level and experimental data regarding any association between CPA6 and autosomal recessive epilepsy. Classification - 07/29/2021 AD disease is Refuted- There is very limited evidence supporting a gene-disease association. Many of the reported pathogenic variants have been subsequently identified as having a high minor allele frequency in population databases. Classification - 07/29/2021
Mendeliome v0.9095 GCLC Zornitza Stark Marked gene: GCLC as ready
Mendeliome v0.9095 GCLC Zornitza Stark Gene: gclc has been classified as Green List (High Evidence).
Mendeliome v0.9095 GCLC Zornitza Stark Phenotypes for gene: GCLC were changed from to Haemolytic anaemia due to gamma-glutamylcysteine synthetase deficiency MIM#230450; Disorders of the gamma-glutamyl cycle
Mendeliome v0.9094 GCLC Zornitza Stark Publications for gene: GCLC were set to
Mendeliome v0.9093 GCLC Zornitza Stark Mode of inheritance for gene: GCLC was changed from Unknown to BIALLELIC, autosomal or pseudoautosomal
Mendeliome v0.9092 GCLC Zornitza Stark reviewed gene: GCLC: Rating: GREEN; Mode of pathogenicity: None; Publications: 10515893, 28571779; Phenotypes: Haemolytic anaemia due to gamma-glutamylcysteine synthetase deficiency, MIM# 230450; Mode of inheritance: BIALLELIC, autosomal or pseudoautosomal
Mendeliome v0.8990 OPDM2 Bryony Thompson STR: OPDM2 was added
STR: OPDM2 was added to Mendeliome. Sources: Literature
Mode of inheritance for STR: OPDM2 was set to MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Publications for STR: OPDM2 were set to 32413282; 33374016
Phenotypes for STR: OPDM2 were set to Oculopharyngodistal myopathy 2 MIM#618940
Review for STR: OPDM2 was set to GREEN
STR: OPDM2 was marked as clinically relevant
Added comment: NM_005716.4:c.-211GGC[X]
>15 Chinese families/probands with a heterozygous trinucleotide repeat expansion (CGG(n)) in 5'UTR exon 1 of the GIPC1 gene. The expansion was found by a combination of linkage analysis, whole-exome sequencing, long-range sequencing, and PCR analysis, and segregated with the disorder in the family. Repeat lengths in the patients ranged from 70 to 138. Normal repeat lengths ranged from 12 to 32.
Sources: Literature
Mendeliome v0.8980 NIID Bryony Thompson STR: NIID was added
STR: NIID was added to Mendeliome. Sources: Literature
Mode of inheritance for STR: NIID was set to MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Publications for STR: NIID were set to 31178126; 31332381; 31819945; 33887199; 33943039; 32250060; 31332380; 32852534; 32989102; 34333668
Phenotypes for STR: NIID were set to Neuronal intranuclear inclusion disease MIM#603472; Oculopharyngodistal myopathy 3 MIM#619473; Tremor, hereditary essential, 6 MIM#618866
Review for STR: NIID was set to GREEN
STR: NIID was marked as clinically relevant
Added comment: NM_001364012.2:c.-164GGC[X]
Expanded repeat in NOTCH2NLC sequence is (GGC)9(GGA)2(GGC)2.
Large number of families and sporadic cases reported with expansions, with a range of neurodegenerative phenotypes, including: dementia, Parkinsonism/tremor, peripheral neuropathy, leukoencephalopathy, myopathy, motor neurone disease.
Normal repeat range: 4-40, 1 control had 61 repeats and may have been a presymptomatic carrier.
Intermediate range: 41-60 identified in Parkinson's disease
Pathogenic repeat range: >=60-520
Mechanism of disease is translation of repeat expansion into a toxic polyglycine protein, identified in both mouse models and tissue samples from affected individuals.
Sources: Literature
Mendeliome v0.8889 ZNF699 Zornitza Stark gene: ZNF699 was added
gene: ZNF699 was added to Mendeliome. Sources: Literature
Mode of inheritance for gene: ZNF699 was set to BIALLELIC, autosomal or pseudoautosomal
Publications for gene: ZNF699 were set to 33875846
Phenotypes for gene: ZNF699 were set to DEGCAGS syndrome, MIM# 619488
Review for gene: ZNF699 was set to GREEN
Added comment: DEGCAGS syndrome is a neurodevelopmental disorder characterized by global developmental delay, coarse and dysmorphic facial features, and poor growth and feeding apparent from infancy. Affected individuals have variable systemic manifestations often with significant structural defects of the cardiovascular, genitourinary, gastrointestinal, and/or skeletal systems. Additional features may include sensorineural hearing loss, hypotonia, anaemia or pancytopaenia, and immunodeficiency with recurrent infections.

12 unrelated families reported, 5 different homozygous frameshift variants.
Sources: Literature
Mendeliome v0.8587 GCNA Zornitza Stark Marked gene: GCNA as ready
Mendeliome v0.8587 GCNA Zornitza Stark Gene: gcna has been classified as Green List (High Evidence).
Mendeliome v0.8587 GCNA Zornitza Stark Classified gene: GCNA as Green List (high evidence)
Mendeliome v0.8587 GCNA Zornitza Stark Gene: gcna has been classified as Green List (High Evidence).
Mendeliome v0.8586 GCNA Ain Roesley gene: GCNA was added
gene: GCNA was added to Mendeliome. Sources: Literature
Mode of inheritance for gene: GCNA was set to X-LINKED: hemizygous mutation in males, biallelic mutations in females
Publications for gene: GCNA were set to 33963445
Phenotypes for gene: GCNA were set to primary spermatogenic failure
Penetrance for gene: GCNA were set to unknown
Review for gene: GCNA was set to GREEN
Added comment: 7x probands all missense except 1 fs. Variants had <0.0005 MAF in gnomad v2 male cohort and absent in 5784 Dutch control cohort
no functional studies were done except for histology of Ser659Trp, revealing a Sertoli-cell only
Sources: Literature
Mendeliome v0.8511 CAMK4 Zornitza Stark gene: CAMK4 was added
gene: CAMK4 was added to Mendeliome. Sources: Expert Review
Mode of inheritance for gene: CAMK4 was set to MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Publications for gene: CAMK4 were set to 30262571; 33098801; 33211350
Phenotypes for gene: CAMK4 were set to Intellectual disability; Autism; Behavioral abnormality; Abnormality of movement; Dystonia; Ataxia; Chorea; Myoclonus
Review for gene: CAMK4 was set to GREEN
Added comment: 3 publications by Zech et al (2018, 2020 - PMIDs : 30262571, 33098801, 33211350) provide clinical details on 3 individuals, each harboring a private de novo CAMK4 variant.

Overlapping features included DD, ID, behavoral issues, autism and abnormal hyperkinetic movements. Dystonia and chorea in all 3 appeared 3-20 years after initial symptoms.

CAMK4 encodes Calcium/Calmodulin-dependent protein kinase IV, an important mediator of calcium-mediated activity and dynamics, particularly in the brain. It is involved in neuronal transmission, synaptic plasticity, and neuronal gene expression required for brain development and neuronal homeostasis (summary by OMIM based on Zech et al, 2018).

The 473 aa enzyme has a protein kinase domain (aa 46-300) and a C-terminal autoregulatory domain (aa 305-341) the latter comprising an autoinhibitory domain (AID / aa 305-321) and a calmodulin-binding domain (CBD / aa 322-341) [NP_001735.1 / NM_001744.4 - also used below].

Variants in all 3 subjects were identified following trio-WES and were in all cases protein-truncating, mapping to exon 10 or exon 10-intron 10 junction, expected to escape NMD and cause selective abrogation of the autoinhibitory domain (aa 305-321) leading overall to gain-of-function.

Variation databases include pLoF CAMK4 variants albeit in all cases usptream or downstream of this region (pLI of this gene in gnomAD: 0.51). Variants leading to selective abrogation of the autoregulatory domain have not been reported.

Extensive evidence for the GoF effect of the variant has been provided in the first publication. Several previous studies have demonstrated that abrogation of the AID domain leads to consitutive activation (details below).

Mouse models - though corresponding to homozygous loss of function - support a role for CAMKIV in cognitive and motor symptoms. Null mice display tremulous and ataxic movements, deficiencies in balance and sensorimotor performance associated with reduced number of Purkinje neurons (Ribar et al 2000, PMID: 11069976 - not reviewed). Wei et al (2002, PMID: 12006982 - not reviewed) provided evidence for alteration in hippocampal physiology and memory function.

Heterozygous mutations in other genes for calcium/calmodulin-dependent protein kinases (CAMKs) e.g. CAMK2A/CAMK2B (encoding subunits of CAMKII) have been reported in individuals with ID.

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The proband in the first publication (PMID: 30262571) was a male with DD, ID, behavioral difficulties (ASD, autoaggression, stereotypies) and hyperkinetic movement disorder (myoclonus, chorea, ataxia) with severe generalized dystonia (onset at the age of 13y). Brain MRI demonstrated cerebellar atrophy.

Extensive work-up incl. karyotyping, CMA, DYT-TOR1A, THAP1, GCH1, SCA1/2/3/6/7/8/12/17, Friedreich's ataxia and FMR1 analysis was negative.F

Trio WES identified a dn splice site variant (c.981+1G>A) in the last exon-intron junction. RT-PCR followed by gel electrophoresis and Sanger in fibroblasts from an affected and control subject revealed that the proband had - as predicted by the type/location of the variant - in equal amount 2 cDNA products, a normal as well as a truncated one.

Sequencing of the shortest revealed utilization of a cryptic donor splice site upstream of the mutated donor leading to a 77bp out-of-frame deletion and introduction of a premature stop codon in the last codon (p.Lys303Serfs*28). Western blot in fibroblast cell lines revealed 2 bands corresponding to the normal protein product as well as to the p.Lys303Serfs*28 although expression of the latter was lower than that of the full length protein.

Several previous studies have shown that mutant CAMKIV species that lack the autoinhibitory domain are consitutively active (several Refs provided). Among others Chatila et al (1996, PMID: 8702940) studied an in vitro-engineered truncation mutant (Δ1-317 - truncation at position 317 of the protein) with functionally validated gain-of-function effect.

To prove enhanced activity of the splicing variant, Zech et al assessed phosphorylation of CREB (cyclic AMP-responsive element binding protein), a downstream substrate of CAMKIV. Immunobloting revealed significant increase of CREB phosphorylation in patient fibroblasts compared to controls. Overactivation of CAMKIV signaling was reversed when cells were treated with STO-609 an inhibitor of CAMKK, the ustream activator of CAMKIV.

Overall the authors demonstrated that loss of CAMKIV autoregulatory domain due to this splice variant had a gain-of-function effect.

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Following trio-WES, Zech et al (2020 - PMID: 33098801) identified another relevant subject within cohort of 764 individuals with dystonia. This 12-y.o. male, harboring a different variant affecting the same donor site (c.981+1G>T), presented DD, ID, dystonia (onset at 3y) and additional movement disorders (myoclonus, ataxia) as well as similar behavior (ASD, autoaggression, stereotypies). [Details in suppl. p20].

----

Finally Zech et al (2020 - PMID: 33211350) reported on a 24-y.o. woman with adolescence onset choreodystonia. Other features included DD, moderate ID, absence seizures in infancy, OCD with anxiety and later diagnosis of ASD. Trio WES revealed a dn stopgain variant (c.940C>T; p.Gln314*).
Sources: Expert Review
Mendeliome v0.8389 PCDHGC4 Zornitza Stark Marked gene: PCDHGC4 as ready
Mendeliome v0.8389 PCDHGC4 Zornitza Stark Gene: pcdhgc4 has been classified as Green List (High Evidence).
Mendeliome v0.8389 PCDHGC4 Zornitza Stark Classified gene: PCDHGC4 as Green List (high evidence)
Mendeliome v0.8389 PCDHGC4 Zornitza Stark Gene: pcdhgc4 has been classified as Green List (High Evidence).
Mendeliome v0.8388 PCDHGC4 Zornitza Stark gene: PCDHGC4 was added
gene: PCDHGC4 was added to Mendeliome. Sources: Literature
Mode of inheritance for gene: PCDHGC4 was set to BIALLELIC, autosomal or pseudoautosomal
Publications for gene: PCDHGC4 were set to 34244665
Phenotypes for gene: PCDHGC4 were set to Intellectual disability; Seizures
Review for gene: PCDHGC4 was set to GREEN
Added comment: Eight variants reported in 19 members of nine unreleted families with a neurodevelopmental syndrome. Severe or moderate intellectual disabilty in eight families and seizures in four families. Four of the variants were LoF, in silico analysis of the remaining missense (n=3) and splice variants were predicted to be pathogenic.
Sources: Literature
Mendeliome v0.7985 NIID Bryony Thompson STR: NIID was added
STR: NIID was added to Mendeliome. Sources: Literature
Mode of inheritance for STR: NIID was set to MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Publications for STR: NIID were set to 31178126; 31332381; 31819945; 33887199; 33943039; 32250060; 31332380; 32852534; 32989102
Phenotypes for STR: NIID were set to Neuronal intranuclear inclusion disease MIM#603472; Tremor, hereditary essential, 6 MIM#618866
Review for STR: NIID was set to GREEN
STR: NIID was marked as clinically relevant
Added comment: NM_001364012.2:c.-164GGC[(66_517)]
Large number of families and sporadic cases reported with expansions, with a range of neurodegenerative phenotypes, including: dementia, Parkinsonism/tremor, peripheral neuropathy, leukoencephalopathy, myopathy, motor neurone disease.
Normal repeat range: 7-60
Pathogenic repeat range: >=61-500
Mechanism of disease is translation of repeat expansion into a toxic polyglycine protein, identified in both mouse models and tissue samples from affected individuals.
Sources: Literature
Mendeliome v0.7432 SGCE Zornitza Stark Marked gene: SGCE as ready
Mendeliome v0.7432 SGCE Zornitza Stark Gene: sgce has been classified as Green List (High Evidence).
Mendeliome v0.7432 SGCE Zornitza Stark Phenotypes for gene: SGCE were changed from to Dystonia-11, myoclonic, MIM# 159900; MONDO:0008044
Mendeliome v0.7431 SGCE Zornitza Stark Publications for gene: SGCE were set to
Mendeliome v0.7430 SGCE Zornitza Stark Mode of inheritance for gene: SGCE was changed from Unknown to MONOALLELIC, autosomal or pseudoautosomal, maternally imprinted (paternal allele expressed)
Mendeliome v0.7429 SGCE Zornitza Stark reviewed gene: SGCE: Rating: GREEN; Mode of pathogenicity: None; Publications: 11528394, 12821748, 16227522; Phenotypes: Dystonia-11, myoclonic, MIM# 159900, MONDO:0008044; Mode of inheritance: MONOALLELIC, autosomal or pseudoautosomal, maternally imprinted (paternal allele expressed)
Mendeliome v0.7347 GCGR Zornitza Stark Marked gene: GCGR as ready
Mendeliome v0.7347 GCGR Zornitza Stark Gene: gcgr has been classified as Green List (High Evidence).
Mendeliome v0.7347 GCGR Zornitza Stark Classified gene: GCGR as Green List (high evidence)
Mendeliome v0.7347 GCGR Zornitza Stark Gene: gcgr has been classified as Green List (High Evidence).
Mendeliome v0.7346 GCGR Zornitza Stark gene: GCGR was added
gene: GCGR was added to Mendeliome. Sources: Expert list
Mode of inheritance for gene: GCGR was set to BIALLELIC, autosomal or pseudoautosomal
Publications for gene: GCGR were set to 19657311; 25695890; 27933176; 30032256; 30294546
Phenotypes for gene: GCGR were set to Mahvash disease, MIM# 619290
Review for gene: GCGR was set to GREEN
Added comment: Mahvash disease (MVAH) is caused by inactivating mutations in the glucagon receptor, leading to alpha-cell hyperplasia of the pancreas, hyperglucagonaemia without glucagonoma syndrome, and occasional hypoglycaemia. The disease may lead to glucagonomas and/or primitive neuroectodermal tumours.

More than 5 unrelated families reported.
Sources: Expert list
Mendeliome v0.6843 DM2 Bryony Thompson STR: DM2 was added
STR: DM2 was added to Mendeliome. Sources: Expert list
Mode of inheritance for STR: DM2 was set to MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Publications for STR: DM2 were set to 20301639; 29325606
Phenotypes for STR: DM2 were set to Myotonic dystrophy 2 MIM#602668
Review for STR: DM2 was set to GREEN
STR: DM2 was marked as clinically relevant
Added comment: HGVS nomenclature: NM_003418.4:c.-14-833_-14-830[X]
Toxic gain of function RNA expected mechanism of disease
Normal: ≤30 uninterrupted CCTG repeats, 11-26 CCTG repeats with any GCTC or TCTG interruptions
Unknown significance (normal vs. mutable): 27-29 CCTG repeats
Mutable normal (premutation) alleles. ~30-~54 CCTG repeats
Unknown significance (premutation vs pathogenic): ~55-74 CCTG repeats
Pathogenic: ~75-11,000 CCTG repeats
Sources: Expert list
Mendeliome v0.6831 SCA36 Bryony Thompson STR: SCA36 was added
STR: SCA36 was added to Mendeliome. Sources: Expert list
Mode of inheritance for STR: SCA36 was set to MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Publications for STR: SCA36 were set to 25101480
Phenotypes for STR: SCA36 were set to Spinocerebellar ataxia 36 MIM#614153
Review for STR: SCA36 was set to GREEN
STR: SCA36 was marked as clinically relevant
Added comment: NM_006392​.3:c.3+71GGCCTG[X]
Toxic RNA effect is suggested mechanism of disease
Normal: 3-14 repeats
Uncertain significance: 15-650 repeats
Pathogenic: ≥650 repeats
Sources: Expert list
Mendeliome v0.6830 NOP56 Bryony Thompson Added comment: Comment on list classification: A hexanucleotide (GGCCTG) repeat expansion in the first intron of the NOP56 gene is the only reported cause of disease. See STRS
Mendeliome v0.6822 SCA7 Bryony Thompson STR: SCA7 was added
STR: SCA7 was added to Mendeliome. Sources: Expert list
Mode of inheritance for STR: SCA7 was set to MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Publications for STR: SCA7 were set to 29325606; 20301433
Phenotypes for STR: SCA7 were set to Spinocerebellar ataxia 7 MIM#164500
Review for STR: SCA7 was set to GREEN
STR: SCA7 was marked as clinically relevant
Added comment: NM_000333​.3:c.89_91AGC[X]
Gain of function mechanism of disease
Normal: ≤27 repeats
Mutable normal: 28-33 repeats, meiotically unstable, but not associated with an abnormal phenotype.
Pathogenic reduced penetrance: 34-36 repeats, when manifestations occur, they are more likely to be later onset and milder than average
Pathogenic full penetrance: 37-460 repeats
Sources: Expert list
Mendeliome v0.6293 SUGCT Zornitza Stark Marked gene: SUGCT as ready
Mendeliome v0.6293 SUGCT Zornitza Stark Gene: sugct has been classified as Amber List (Moderate Evidence).
Mendeliome v0.6293 SUGCT Zornitza Stark Phenotypes for gene: SUGCT were changed from to Glutaric aciduria III MIM#231690; Organic acidurias
Mendeliome v0.6292 SUGCT Zornitza Stark Publications for gene: SUGCT were set to
Mendeliome v0.6291 SUGCT Zornitza Stark Mode of inheritance for gene: SUGCT was changed from Unknown to BIALLELIC, autosomal or pseudoautosomal
Mendeliome v0.6290 SUGCT Zornitza Stark Classified gene: SUGCT as Amber List (moderate evidence)
Mendeliome v0.6290 SUGCT Zornitza Stark Gene: sugct has been classified as Amber List (Moderate Evidence).
Mendeliome v0.6289 SUGCT Zornitza Stark reviewed gene: SUGCT: Rating: AMBER; Mode of pathogenicity: None; Publications: 28766179, 18926513, 33483254, 32779420, 27604308; Phenotypes: Glutaric aciduria III MIM#231690, Organic acidurias; Mode of inheritance: BIALLELIC, autosomal or pseudoautosomal
Mendeliome v0.5902 HMGCS2 Zornitza Stark Marked gene: HMGCS2 as ready
Mendeliome v0.5902 HMGCS2 Zornitza Stark Gene: hmgcs2 has been classified as Green List (High Evidence).
Mendeliome v0.5902 HMGCS2 Zornitza Stark Phenotypes for gene: HMGCS2 were changed from to HMG-CoA synthase-2 deficiency, MIM# 605911
Mendeliome v0.5901 HMGCS2 Zornitza Stark Publications for gene: HMGCS2 were set to
Mendeliome v0.5900 HMGCS2 Zornitza Stark Mode of inheritance for gene: HMGCS2 was changed from Unknown to BIALLELIC, autosomal or pseudoautosomal
Mendeliome v0.5899 HMGCS2 Zornitza Stark reviewed gene: HMGCS2: Rating: GREEN; Mode of pathogenicity: None; Publications: 33045405; Phenotypes: HMG-CoA synthase-2 deficiency, MIM# 605911; Mode of inheritance: BIALLELIC, autosomal or pseudoautosomal
Mendeliome v0.5899 HMGCL Zornitza Stark Tag SV/CNV tag was added to gene: HMGCL.
Mendeliome v0.5899 HMGCL Zornitza Stark Marked gene: HMGCL as ready
Mendeliome v0.5899 HMGCL Zornitza Stark Gene: hmgcl has been classified as Green List (High Evidence).
Mendeliome v0.5899 HMGCL Zornitza Stark Phenotypes for gene: HMGCL were changed from to HMG-CoA lyase deficiency, MIM# 246450
Mendeliome v0.5898 HMGCL Zornitza Stark Publications for gene: HMGCL were set to
Mendeliome v0.5897 HMGCL Zornitza Stark Mode of inheritance for gene: HMGCL was changed from Unknown to BIALLELIC, autosomal or pseudoautosomal
Mendeliome v0.5896 HMGCL Zornitza Stark reviewed gene: HMGCL: Rating: GREEN; Mode of pathogenicity: None; Publications: 8617516; Phenotypes: HMG-CoA lyase deficiency, MIM# 246450; Mode of inheritance: BIALLELIC, autosomal or pseudoautosomal
Mendeliome v0.5139 CTNNA3 Bryony Thompson gene: CTNNA3 was added
gene: CTNNA3 was added to Mendeliome. Sources: ClinGen
Mode of inheritance for gene: CTNNA3 was set to MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Publications for gene: CTNNA3 were set to 23136403; 21254927; 22421363; 30415094; 31539150
Phenotypes for gene: CTNNA3 were set to Arrhythmogenic right ventricular cardiomyopathy; Arrhythmogenic right ventricular dysplasia, familial, 13 MIM#615616
Review for gene: CTNNA3 was set to AMBER
Added comment: Gene is classified as Limited by the ClinGen ARVC GCEP (Classification - 08/06/2019). PMID: 23136403 - an assumed de novo missense (V94D) was identified in an Italian proband with arrhythmogenic right ventricular dysplasia. An inframe deletion (Leu765del) was identified in a proband with arrhythmogenic right ventricular dysplasia, and was also present in the proband's asymptomatic father and paternal aunt, who had mild right ventricular dilation on echocardiography and increased trabeculations in the right ventricular apex on MRI, respectively, as well as in the aunt's asymptomatic son. There was supporting in vitro functional assay evidence for both variants. PMID: 21254927 - a missense variant was found in one of 55 Danish ARVD patients, but was found 37 times in 276,338 (1 homozygous) reference alleles in gnomAD making it less likely as a causal variant. PMID: 22421363 - null mice exhibit progressive dilated cardiomyopathy, gap junction remodelling, and increased sensitivity to ventricular arrhythmia following acute ischaemia, but not spontaneous ARVC. Additional publications identified - PMID: 30415094 - a VUS identified in a sudden unexpected death case with slight LV hypertrophy. PMID: 31539150 - 2 VUS and a nonsense variant identified in 3 probands with atrial fibrillation, with the nonsense variant segregating in an affected first-degree relative.
Sources: ClinGen
Mendeliome v0.4926 TUBGCP4 Zornitza Stark Marked gene: TUBGCP4 as ready
Mendeliome v0.4926 TUBGCP4 Zornitza Stark Gene: tubgcp4 has been classified as Green List (High Evidence).
Mendeliome v0.4926 TUBGCP4 Zornitza Stark Phenotypes for gene: TUBGCP4 were changed from to Microcephaly and chorioretinopathy, autosomal recessive, 3, MIM# 616335
Mendeliome v0.4925 TUBGCP4 Zornitza Stark Publications for gene: TUBGCP4 were set to
Mendeliome v0.4924 TUBGCP4 Zornitza Stark Mode of inheritance for gene: TUBGCP4 was changed from Unknown to BIALLELIC, autosomal or pseudoautosomal
Mendeliome v0.4923 TUBGCP4 Zornitza Stark reviewed gene: TUBGCP4: Rating: GREEN; Mode of pathogenicity: None; Publications: 25817018, 32270730; Phenotypes: Microcephaly and chorioretinopathy, autosomal recessive, 3, MIM# 616335; Mode of inheritance: BIALLELIC, autosomal or pseudoautosomal
Mendeliome v0.4606 GCM2 Zornitza Stark Marked gene: GCM2 as ready
Mendeliome v0.4606 GCM2 Zornitza Stark Gene: gcm2 has been classified as Green List (High Evidence).
Mendeliome v0.4606 GCM2 Zornitza Stark Phenotypes for gene: GCM2 were changed from to Hyperparathyroidism 4, OMIM #617343
Mendeliome v0.4605 GCM2 Zornitza Stark Publications for gene: GCM2 were set to
Mendeliome v0.4604 GCM2 Zornitza Stark Mode of pathogenicity for gene: GCM2 was changed from to Other
Mendeliome v0.4603 GCM2 Zornitza Stark Mode of inheritance for gene: GCM2 was changed from Unknown to MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Mendeliome v0.4602 GCM2 Zornitza Stark edited their review of gene: GCM2: Changed mode of pathogenicity: Other
Mendeliome v0.4602 GCM2 Zornitza Stark reviewed gene: GCM2: Rating: GREEN; Mode of pathogenicity: None; Publications: 27745835; Phenotypes: Hyperparathyroidism 4, OMIM #617343; Mode of inheritance: MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Mendeliome v0.3934 RRAGC Zornitza Stark Publications for gene: RRAGC were set to
Mendeliome v0.3933 RRAGC Zornitza Stark Marked gene: RRAGC as ready
Mendeliome v0.3933 RRAGC Zornitza Stark Gene: rragc has been classified as Red List (Low Evidence).
Mendeliome v0.3933 RRAGC Zornitza Stark Phenotypes for gene: RRAGC were changed from to Dilated cardiomyopathy; cataract
Mendeliome v0.3932 RRAGC Zornitza Stark Mode of inheritance for gene: RRAGC was changed from Unknown to MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Mendeliome v0.3931 RRAGC Zornitza Stark Classified gene: RRAGC as Red List (low evidence)
Mendeliome v0.3931 RRAGC Zornitza Stark Gene: rragc has been classified as Red List (Low Evidence).
Mendeliome v0.3930 RRAGC Zornitza Stark reviewed gene: RRAGC: Rating: RED; Mode of pathogenicity: None; Publications: 27234373; Phenotypes: Dilated cardiomyopathy, cataract; Mode of inheritance: MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Mendeliome v0.3772 GGCX Zornitza Stark Marked gene: GGCX as ready
Mendeliome v0.3772 GGCX Zornitza Stark Gene: ggcx has been classified as Green List (High Evidence).
Mendeliome v0.3772 GGCX Zornitza Stark Phenotypes for gene: GGCX were changed from to Vitamin K-dependent clotting factors, combined deficiency of, 1, MIM# 277450
Mendeliome v0.3771 GGCX Zornitza Stark Publications for gene: GGCX were set to
Mendeliome v0.3770 GGCX Zornitza Stark Mode of inheritance for gene: GGCX was changed from Unknown to BIALLELIC, autosomal or pseudoautosomal
Mendeliome v0.3769 GGCX Zornitza Stark reviewed gene: GGCX: Rating: GREEN; Mode of pathogenicity: None; Publications: 32785662, 30531603, 26758921; Phenotypes: Vitamin K-dependent clotting factors, combined deficiency of, 1, MIM# 277450; Mode of inheritance: BIALLELIC, autosomal or pseudoautosomal
Mendeliome v0.3185 SP6 Eleanor Williams gene: SP6 was added
gene: SP6 was added to Mendeliome. Sources: Literature
Mode of inheritance for gene: SP6 was set to MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown
Publications for gene: SP6 were set to 32167558; 18156176; 18297738; 22676574
Phenotypes for gene: SP6 were set to hypoplastic amelogenesis imperfecta
Review for gene: SP6 was set to AMBER
Added comment: PMID: 32167558 - Smith et al 2020 - report a 2 bp variant c.817_818GC>AA in SP6 in a Caucasian family with autosomal dominant hypoplastic AI which results in a missense change. Report that mice and rat knockouts also show a dental phenotype (PMID: 18156176, 18297738, 22676574 )
Sources: Literature
Mendeliome v0.2612 DGCR8 Zornitza Stark Marked gene: DGCR8 as ready
Mendeliome v0.2612 DGCR8 Zornitza Stark Gene: dgcr8 has been classified as Red List (Low Evidence).
Mendeliome v0.2612 DGCR8 Zornitza Stark Classified gene: DGCR8 as Red List (low evidence)
Mendeliome v0.2612 DGCR8 Zornitza Stark Gene: dgcr8 has been classified as Red List (Low Evidence).
Mendeliome v0.2610 DGCR8 Chern Lim gene: DGCR8 was added
gene: DGCR8 was added to Mendeliome. Sources: Literature
Mode of inheritance for gene: DGCR8 was set to MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Publications for gene: DGCR8 were set to 31805011
Phenotypes for gene: DGCR8 were set to Early-onset multinodular goiter and schwannomatosis
Review for gene: DGCR8 was set to RED
Added comment: A germline missense variant segregates in one family with autosomal dominant mendelian tumor susceptibility syndrome: familial multinodular goiter (MNG) with schwannomatosis. The missense is also a recurrent somatic missense variant in Wilms tumour. (PMID:31805011)
Sources: Literature
Mendeliome v0.2365 C9orf72 Elena Savva gene: C9orf72 was added
gene: C9orf72 was added to Mendeliome. Sources: Literature
Mode of inheritance for gene: C9orf72 was set to MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown
Publications for gene: C9orf72 were set to PMID: 30120348; 23284068
Phenotypes for gene: C9orf72 were set to Frontotemporal dementia and/or amyotrophic lateral sclerosis 1 105550
Review for gene: C9orf72 was set to AMBER
Added comment: Possibly RED

Caused by expansion of GGGGCC repeats, dont know if these qualify for mendeliome
Sources: Literature
Mendeliome v0.1413 GC Zornitza Stark Marked gene: GC as ready
Mendeliome v0.1413 GC Zornitza Stark Gene: gc has been classified as Red List (Low Evidence).
Mendeliome v0.1413 GC Zornitza Stark Classified gene: GC as Red List (low evidence)
Mendeliome v0.1413 GC Zornitza Stark Gene: gc has been classified as Red List (Low Evidence).
Mendeliome v0.1412 GC Natalie Tan reviewed gene: GC: Rating: RED; Mode of pathogenicity: None; Publications: ; Phenotypes: ; Mode of inheritance: None
Mendeliome v0.1227 GCKR Sebastian Lunke Marked gene: GCKR as ready
Mendeliome v0.1227 GCKR Sebastian Lunke Gene: gckr has been classified as Red List (Low Evidence).
Mendeliome v0.1227 GCKR Sebastian Lunke Publications for gene: GCKR were set to
Mendeliome v0.1226 GCKR Sebastian Lunke Mode of inheritance for gene: GCKR was changed from Unknown to Other
Mendeliome v0.1225 GCKR Sebastian Lunke Classified gene: GCKR as Red List (low evidence)
Mendeliome v0.1225 GCKR Sebastian Lunke Gene: gckr has been classified as Red List (Low Evidence).
Mendeliome v0.1224 GCKR Sebastian Lunke reviewed gene: GCKR: Rating: RED; Mode of pathogenicity: None; Publications: 31777715; Phenotypes: ; Mode of inheritance: Other
Mendeliome v0.1083 TUBGCP6 Zornitza Stark Marked gene: TUBGCP6 as ready
Mendeliome v0.1083 TUBGCP6 Zornitza Stark Gene: tubgcp6 has been classified as Green List (High Evidence).
Mendeliome v0.1083 TUBGCP6 Zornitza Stark Phenotypes for gene: TUBGCP6 were changed from to Microcephaly and chorioretinopathy, autosomal recessive, 1, MIM#251270
Mendeliome v0.1082 TUBGCP6 Zornitza Stark Publications for gene: TUBGCP6 were set to
Mendeliome v0.1081 TUBGCP6 Zornitza Stark Mode of inheritance for gene: TUBGCP6 was changed from Unknown to BIALLELIC, autosomal or pseudoautosomal
Mendeliome v0.1080 TUBGCP6 Zornitza Stark reviewed gene: TUBGCP6: Rating: GREEN; Mode of pathogenicity: None; Publications: 25344692, 22279524; Phenotypes: Microcephaly and chorioretinopathy, autosomal recessive, 1, MIM#251270; Mode of inheritance: BIALLELIC, autosomal or pseudoautosomal
Mendeliome v0.972 GCSH Zornitza Stark Marked gene: GCSH as ready
Mendeliome v0.972 GCSH Zornitza Stark Gene: gcsh has been classified as Red List (Low Evidence).
Mendeliome v0.972 GCSH Zornitza Stark Phenotypes for gene: GCSH were changed from to Glycine encephalopathy, MIM# 605899
Mendeliome v0.971 GCSH Zornitza Stark Publications for gene: GCSH were set to
Mendeliome v0.970 GCSH Zornitza Stark Mode of inheritance for gene: GCSH was changed from Unknown to BIALLELIC, autosomal or pseudoautosomal
Mendeliome v0.969 GCSH Zornitza Stark Classified gene: GCSH as Red List (low evidence)
Mendeliome v0.969 GCSH Zornitza Stark Gene: gcsh has been classified as Red List (Low Evidence).
Mendeliome v0.968 GCSH Zornitza Stark reviewed gene: GCSH: Rating: RED; Mode of pathogenicity: None; Publications: 1671321; Phenotypes: Glycine encephalopathy, MIM# 605899; Mode of inheritance: BIALLELIC, autosomal or pseudoautosomal
Mendeliome v0.866 TUBGCP2 Zornitza Stark Marked gene: TUBGCP2 as ready
Mendeliome v0.866 TUBGCP2 Zornitza Stark Gene: tubgcp2 has been classified as Green List (High Evidence).
Mendeliome v0.866 TUBGCP2 Zornitza Stark Classified gene: TUBGCP2 as Green List (high evidence)
Mendeliome v0.866 TUBGCP2 Zornitza Stark Gene: tubgcp2 has been classified as Green List (High Evidence).
Mendeliome v0.865 TUBGCP2 Zornitza Stark gene: TUBGCP2 was added
gene: TUBGCP2 was added to Mendeliome. Sources: Literature
Mode of inheritance for gene: TUBGCP2 was set to BIALLELIC, autosomal or pseudoautosomal
Publications for gene: TUBGCP2 were set to 31630790
Phenotypes for gene: TUBGCP2 were set to Lissencephaly; pachygyria; subcortical band heterotopia; microcephaly; intellectual disability
Review for gene: TUBGCP2 was set to GREEN
Added comment: Four unrelated families reported.
Sources: Literature
Mendeliome v0.0 TUBGCP6 Zornitza Stark gene: TUBGCP6 was added
gene: TUBGCP6 was added to Mendeliome_VCGS. Sources: Expert Review Green,Victorian Clinical Genetics Services
Mode of inheritance for gene: TUBGCP6 was set to Unknown
Mendeliome v0.0 TUBGCP4 Zornitza Stark gene: TUBGCP4 was added
gene: TUBGCP4 was added to Mendeliome_VCGS. Sources: Expert Review Green,Victorian Clinical Genetics Services
Mode of inheritance for gene: TUBGCP4 was set to Unknown
Mendeliome v0.0 SUGCT Zornitza Stark gene: SUGCT was added
gene: SUGCT was added to Mendeliome_VCGS. Sources: Expert Review Green,Victorian Clinical Genetics Services
Mode of inheritance for gene: SUGCT was set to Unknown
Mendeliome v0.0 SGCG Zornitza Stark gene: SGCG was added
gene: SGCG was added to Mendeliome_VCGS. Sources: Expert Review Green,Victorian Clinical Genetics Services
Mode of inheritance for gene: SGCG was set to Unknown
Mendeliome v0.0 SGCE Zornitza Stark gene: SGCE was added
gene: SGCE was added to Mendeliome_VCGS. Sources: Expert Review Green,Victorian Clinical Genetics Services
Mode of inheritance for gene: SGCE was set to Unknown
Mendeliome v0.0 SGCD Zornitza Stark gene: SGCD was added
gene: SGCD was added to Mendeliome_VCGS. Sources: Expert Review Green,Victorian Clinical Genetics Services
Mode of inheritance for gene: SGCD was set to Unknown
Mendeliome v0.0 SGCB Zornitza Stark gene: SGCB was added
gene: SGCB was added to Mendeliome_VCGS. Sources: Expert Review Green,Victorian Clinical Genetics Services
Mode of inheritance for gene: SGCB was set to Unknown
Mendeliome v0.0 SGCA Zornitza Stark gene: SGCA was added
gene: SGCA was added to Mendeliome_VCGS. Sources: Expert Review Green,Victorian Clinical Genetics Services
Mode of inheritance for gene: SGCA was set to Unknown
Mendeliome v0.0 RRAGC Zornitza Stark gene: RRAGC was added
gene: RRAGC was added to Mendeliome_VCGS. Sources: Expert Review Green,Victorian Clinical Genetics Services
Mode of inheritance for gene: RRAGC was set to Unknown
Mendeliome v0.0 PIGC Zornitza Stark gene: PIGC was added
gene: PIGC was added to Mendeliome_VCGS. Sources: Expert Review Green,Victorian Clinical Genetics Services
Mode of inheritance for gene: PIGC was set to Unknown
Mendeliome v0.0 HMGCS2 Zornitza Stark gene: HMGCS2 was added
gene: HMGCS2 was added to Mendeliome_VCGS. Sources: Expert Review Green,Victorian Clinical Genetics Services
Mode of inheritance for gene: HMGCS2 was set to Unknown
Mendeliome v0.0 HMGCR Zornitza Stark gene: HMGCR was added
gene: HMGCR was added to Mendeliome_VCGS. Sources: Expert Review Green,Victorian Clinical Genetics Services
Mode of inheritance for gene: HMGCR was set to Unknown
Mendeliome v0.0 HMGCL Zornitza Stark gene: HMGCL was added
gene: HMGCL was added to Mendeliome_VCGS. Sources: Expert Review Green,Victorian Clinical Genetics Services
Mode of inheritance for gene: HMGCL was set to Unknown
Mendeliome v0.0 GGCX Zornitza Stark gene: GGCX was added
gene: GGCX was added to Mendeliome_VCGS. Sources: Expert Review Green,Victorian Clinical Genetics Services
Mode of inheritance for gene: GGCX was set to Unknown
Mendeliome v0.0 GCSH Zornitza Stark gene: GCSH was added
gene: GCSH was added to Mendeliome_VCGS. Sources: Expert Review Green,Victorian Clinical Genetics Services
Mode of inheritance for gene: GCSH was set to Unknown
Mendeliome v0.0 GCNT2 Zornitza Stark gene: GCNT2 was added
gene: GCNT2 was added to Mendeliome_VCGS. Sources: Expert Review Green,Victorian Clinical Genetics Services
Mode of inheritance for gene: GCNT2 was set to Unknown
Mendeliome v0.0 GCM2 Zornitza Stark gene: GCM2 was added
gene: GCM2 was added to Mendeliome_VCGS. Sources: Expert Review Green,Victorian Clinical Genetics Services
Mode of inheritance for gene: GCM2 was set to Unknown
Mendeliome v0.0 GCLC Zornitza Stark gene: GCLC was added
gene: GCLC was added to Mendeliome_VCGS. Sources: Expert Review Green,Victorian Clinical Genetics Services
Mode of inheritance for gene: GCLC was set to Unknown
Mendeliome v0.0 GCKR Zornitza Stark gene: GCKR was added
gene: GCKR was added to Mendeliome_VCGS. Sources: Expert Review Green,Victorian Clinical Genetics Services
Mode of inheritance for gene: GCKR was set to Unknown
Mendeliome v0.0 GCK Zornitza Stark gene: GCK was added
gene: GCK was added to Mendeliome_VCGS. Sources: Expert Review Green,Victorian Clinical Genetics Services
Mode of inheritance for gene: GCK was set to Unknown
Mendeliome v0.0 GCH1 Zornitza Stark gene: GCH1 was added
gene: GCH1 was added to Mendeliome_VCGS. Sources: Expert Review Green,Victorian Clinical Genetics Services
Mode of inheritance for gene: GCH1 was set to Unknown
Mendeliome v0.0 GCDH Zornitza Stark gene: GCDH was added
gene: GCDH was added to Mendeliome_VCGS. Sources: Expert Review Green,Victorian Clinical Genetics Services
Mode of inheritance for gene: GCDH was set to Unknown
Mendeliome v0.0 GC Zornitza Stark gene: GC was added
gene: GC was added to Mendeliome_VCGS. Sources: Expert Review Green,Victorian Clinical Genetics Services
Mode of inheritance for gene: GC was set to Unknown
Mendeliome v0.0 CRYGC Zornitza Stark gene: CRYGC was added
gene: CRYGC was added to Mendeliome_VCGS. Sources: Expert Review Green,Victorian Clinical Genetics Services
Mode of inheritance for gene: CRYGC was set to Unknown