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Mendeliome v1.1116 DDRGK1 Ain Roesley gene: DDRGK1 was added
gene: DDRGK1 was added to Mendeliome. Sources: Literature
founder tags were added to gene: DDRGK1.
Mode of inheritance for gene: DDRGK1 was set to BIALLELIC, autosomal or pseudoautosomal
Publications for gene: DDRGK1 were set to 28263186; 35377455; 35670300; 36243336
Phenotypes for gene: DDRGK1 were set to Spondyloepimetaphyseal dysplasia, Shohat type (MIM#602557)
Review for gene: DDRGK1 was set to GREEN
gene: DDRGK1 was marked as current diagnostic
Added comment: RNA and protein studies performed for the splice variant. These two variants likely represents founder variants

PMID:28263186 reported six individuals from three different families of Iraqi Jewish descent (three patients from family 1 and one individual each from families 2-4) identified with homozygous c.408+1G>A donor splice site loss-of-function mutation in DDRGK1 and presented with Shohat-type spondyloepimetaphyseal dysplasia (SEMD). It is a skeletal dysplasia that affects cartilage development.

PMID: 35670300 reported two unrelated cases of Moroccan descent identified with homozygous missense variant c.406G>A and presented with SEMD. PMID:36243336 reported an Omani female patient identified with the same homozygous variant as the Iraqi cases and was reported with SEMD.

In addition, studies on both zebrafish and mouse models confirms the physiological role of DDRGK1 in the development and maintenance of the growth plate cartilage and deficiency of DDRGK1 recapitulate the clinical phenotype of short stature and joint abnormalities observed in patients with Shohat type SEMD (PMID:28263186; PMID:35377455).
Sources: Literature
Mendeliome v1.526 LEMD2 Seb Lunke Phenotypes for gene: LEMD2 were changed from Marbach-Rustad progeroid syndrome, OMIM# 619322; progeroid disorder to Marbach-Rustad progeroid syndrome, OMIM# 619322; arrhythmogenic right ventricular cardiomyopathy, MONDO:0016587; Cataract 46, juvenile-onset, OMIM# 212500
Mendeliome v1.525 LEMD2 Seb Lunke Publications for gene: LEMD2 were set to PMID: 30905398
Mendeliome v1.524 LEMD2 Seb Lunke Mode of inheritance for gene: LEMD2 was changed from MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown to BOTH monoallelic and biallelic, autosomal or pseudoautosomal
Mendeliome v1.523 LEMD2 Seb Lunke reviewed gene: LEMD2: Rating: AMBER; Mode of pathogenicity: None; Publications: 31061923, 26788539, 30905398, 36377660; Phenotypes: Marbach-Rustad progeroid syndrome, OMIM# 619322, arrhythmogenic right ventricular cardiomyopathy, MONDO:0016587, Cataract 46, juvenile-onset, OMIM# 212500; Mode of inheritance: BOTH monoallelic and biallelic, autosomal or pseudoautosomal
Mendeliome v1.388 EXOC6B Bryony Thompson gene: EXOC6B was added
gene: EXOC6B was added to Mendeliome. Sources: Literature
Mode of inheritance for gene: EXOC6B was set to BIALLELIC, autosomal or pseudoautosomal
Publications for gene: EXOC6B were set to 26669664; 30284759; 36150098
Phenotypes for gene: EXOC6B were set to Spondyloepimetaphyseal dysplasia with joint laxity MONDO:0019675
Review for gene: EXOC6B was set to GREEN
Added comment: 6 affected individuals from 4 families, and supporting assays in patient cells
PMID: 26669664 - 2 brothers with spondyloepimetaphyseal dysplasia (SEMD), multiple joint dislocations at birth, severe joint laxity, scoliosis, gracile metacarpals and metatarsals, delayed bone age and poorly ossified carpal and tarsal bones from a consanguineous family, with a homozygous nonsense variant [c.906T>A/p.(Tyr302*)]
PMID: 30284759 - 2 sisters with dislocations of the hips and knees, long slender fingers with distal tapering, significant motor disability but normal (older sister) or low-normal intelligence (younger sister), with a homozygous in-frame deletion of exons 9-20
PMID: 36150098 - 2 unrelated probands from consanguineous families, one with a homozygous frameshift exon 20 deletion and one with a homozygous nonsense variant (c.401T>G p.Leu134Ter). Function assessment of patient fibroblast cell lines indicated abrogation of exocytosis leading to impaired primary ciliogenesis
Sources: Literature
Mendeliome v0.12059 LEMD3 Alison Yeung Marked gene: LEMD3 as ready
Mendeliome v0.12059 LEMD3 Alison Yeung Gene: lemd3 has been classified as Green List (High Evidence).
Mendeliome v0.12059 LEMD3 Alison Yeung Phenotypes for gene: LEMD3 were changed from to Buschke-Ollendorff syndrome MIM#166700; Osteopoikilosis with or without melorheostosis MIM#166700
Mendeliome v0.12058 LEMD3 Alison Yeung Publications for gene: LEMD3 were set to
Mendeliome v0.12057 LEMD3 Alison Yeung Mode of inheritance for gene: LEMD3 was changed from Unknown to MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Mendeliome v0.10812 LEMD3 Ain Roesley reviewed gene: LEMD3: Rating: GREEN; Mode of pathogenicity: None; Publications: 34098227, 33598273, 32519343, 32151766, 32151766; Phenotypes: Buschke-Ollendorff syndrome MIM#166700, Osteopoikilosis with or without melorheostosis MIM#166700; Mode of inheritance: MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted; Current diagnostic: yes
Mendeliome v0.9976 EMD Zornitza Stark Marked gene: EMD as ready
Mendeliome v0.9976 EMD Zornitza Stark Gene: emd has been classified as Green List (High Evidence).
Mendeliome v0.9976 EMD Zornitza Stark Phenotypes for gene: EMD were changed from to Emery-Dreifuss muscular dystrophy 1, X-linked MIM#310300
Mendeliome v0.9975 EMD Zornitza Stark Publications for gene: EMD were set to
Mendeliome v0.9974 EMD Zornitza Stark Mode of inheritance for gene: EMD was changed from Unknown to X-LINKED: hemizygous mutation in males, biallelic mutations in females
Mendeliome v0.9970 EMD Belinda Chong reviewed gene: EMD: Rating: GREEN; Mode of pathogenicity: None; Publications: 21697856 31802929; Phenotypes: Emery-Dreifuss muscular dystrophy 1, X-linked MIM#310300; Mode of inheritance: X-LINKED: hemizygous mutation in males, biallelic mutations in females; Current diagnostic: yes
Mendeliome v0.9537 BGN Krithika Murali gene: BGN was added
gene: BGN was added to Mendeliome. Sources: Expert list,Literature
Mode of inheritance for gene: BGN was set to Other
Publications for gene: BGN were set to 27236923; 27632686
Phenotypes for gene: BGN were set to Meester-Loeys syndrome - #300989; Spondyloepimetaphyseal dysplasia, X-linked - #300106
Review for gene: BGN was set to GREEN
Added comment: Well-established gene-disease associated with X-linked spondyloepimetaphyseal dysplasia (SEMD) and Meester-Loeys syndrome (connective tissue disorder with phenotypic features including aortic dissection, aortic aneurysym, dysmorphism, joint hypermobility and mild skeletal dysplasia - with juvenile-onset reported in males)

SEMD - X-linked recessive inheritance
Meester-Loeys syndrome - hemizygous males, monoallelic mutations may cause disease in females (may be less severe, later onset than males)
Sources: Expert list, Literature
Mendeliome v0.7618 LEMD2 Zornitza Stark Phenotypes for gene: LEMD2 were changed from progeroid disorder to Marbach-Rustad progeroid syndrome, OMIM# 619322; progeroid disorder
Mendeliome v0.7617 LEMD2 Zornitza Stark reviewed gene: LEMD2: Rating: AMBER; Mode of pathogenicity: None; Publications: ; Phenotypes: Marbach-Rustad progeroid syndrome, OMIM# 619322; Mode of inheritance: MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Mendeliome v0.829 LEMD2 Alison Yeung Marked gene: LEMD2 as ready
Mendeliome v0.829 LEMD2 Alison Yeung Gene: lemd2 has been classified as Amber List (Moderate Evidence).
Mendeliome v0.829 LEMD2 Alison Yeung Classified gene: LEMD2 as Amber List (moderate evidence)
Mendeliome v0.829 LEMD2 Alison Yeung Gene: lemd2 has been classified as Amber List (Moderate Evidence).
Mendeliome v0.829 LEMD2 Alison Yeung Classified gene: LEMD2 as Amber List (moderate evidence)
Mendeliome v0.829 LEMD2 Alison Yeung Gene: lemd2 has been classified as Amber List (Moderate Evidence).
Mendeliome v0.828 LEMD2 Alison Yeung gene: LEMD2 was added
gene: LEMD2 was added to Mendeliome. Sources: Literature
Mode of inheritance for gene: LEMD2 was set to MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown
Publications for gene: LEMD2 were set to PMID: 30905398
Phenotypes for gene: LEMD2 were set to progeroid disorder
Review for gene: LEMD2 was set to AMBER
Added comment: two reported unrelated individuals, limited functional evidence
Sources: Literature
Mendeliome v0.0 LEMD3 Zornitza Stark gene: LEMD3 was added
gene: LEMD3 was added to Mendeliome_VCGS. Sources: Expert Review Green,Victorian Clinical Genetics Services
Mode of inheritance for gene: LEMD3 was set to Unknown
Mendeliome v0.0 EMD Zornitza Stark gene: EMD was added
gene: EMD was added to Mendeliome_VCGS. Sources: Expert Review Green,Victorian Clinical Genetics Services
Mode of inheritance for gene: EMD was set to Unknown