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Intellectual disability syndromic and non-syndromic v0.6016 RELN Zornitza Stark Marked gene: RELN as ready
Intellectual disability syndromic and non-syndromic v0.6016 RELN Zornitza Stark Gene: reln has been classified as Green List (High Evidence).
Intellectual disability syndromic and non-syndromic v0.6016 RELN Zornitza Stark Publications for gene: RELN were set to
Intellectual disability syndromic and non-syndromic v0.6015 RELN Zornitza Stark reviewed gene: RELN: Rating: GREEN; Mode of pathogenicity: None; Publications: ; Phenotypes: Lissencephaly 2 (Norman-Roberts type), MIM# 257320; Mode of inheritance: BOTH monoallelic and biallelic, autosomal or pseudoautosomal
Intellectual disability syndromic and non-syndromic v0.6015 RELN Zornitza Stark Phenotypes for gene: RELN were changed from to Lissencephaly 2 (Norman-Roberts type), MIM# 257320
Intellectual disability syndromic and non-syndromic v0.6014 RELN Zornitza Stark Mode of inheritance for gene: RELN was changed from Unknown to BOTH monoallelic and biallelic, autosomal or pseudoautosomal
Intellectual disability syndromic and non-syndromic v0.6013 RELN Tashunka Taylor-Miller changed review comment from: 7 individuals from 4 families with biallelic variants, and 13 individuals from 7 families with monoallelic (heterozygous) variants of RELN and frontotemporal or temporal-predominant lissencephaly variant. Associated features: intellectual disability (16/20), seizures (5/20), unprovoked aggression (6/20), sleep disturbance (7/20)
Variant spectrum includes: loss of function, missense, splice-site variants.

MRI features include: anterior-predominant “thin”lisencephaly pachygyria with cerebellar hypoplasia
Biallelic variants are associated with a severe phenotype that includes cerebellar hypoplasia.
Monoallelic variants are associated with incomplete penetrance and variable expressivity (eg: one adult with abnormal MRI but normal intelligence and neurological profile).; to: 7 individuals from 4 families with biallelic variants, and 13 individuals from 7 families with monoallelic (heterozygous) variants of RELN and frontotemporal or temporal-predominant lissencephaly variant. Associated features: intellectual disability (16/20), seizures (5/20), unprovoked aggression (6/20), sleep disturbance (7/20)
Variant spectrum includes: loss of function, missense, splice-site variants.

MRI features include: anterior-predominant “thin” lisencephaly pachygyria with cerebellar hypoplasia.
Biallelic variants are associated with a severe phenotype that includes cerebellar hypoplasia.
Monoallelic variants are associated with incomplete penetrance and variable expressivity (eg: one adult with abnormal MRI but normal intelligence and neurological profile).
Intellectual disability syndromic and non-syndromic v0.6013 RELN Tashunka Taylor-Miller edited their review of gene: RELN: Changed publications: PMID: 35769015, PMID: 29671837
Intellectual disability syndromic and non-syndromic v0.6013 RELN Tashunka Taylor-Miller reviewed gene: RELN: Rating: GREEN; Mode of pathogenicity: None; Publications: PMID: 35769015, 29671837; Phenotypes: OMIM *600514, HP:0001339, DOID:0070338; Mode of inheritance: BOTH monoallelic and biallelic, autosomal or pseudoautosomal
Intellectual disability syndromic and non-syndromic v0.1298 SMARCC2 Chirag Patel gene: SMARCC2 was added
gene: SMARCC2 was added to Intellectual disability, syndromic and non-syndromic_GHQ_VCGS. Sources: Literature
Mode of inheritance for gene: SMARCC2 was set to MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Publications for gene: SMARCC2 were set to PMID: 30580808
Phenotypes for gene: SMARCC2 were set to Coffin-Siris syndrome 8; OMIM #618362
Review for gene: SMARCC2 was set to GREEN
Added comment: 15 individuals with variable degrees of neurodevelopmental delay, growth retardation, prominent speech impairment, hypotonia, feeding difficulties, behavioral abnormalities, and dysmorphic features. They found heterozygous de novo SMARCC2 variants, but no functional evidence of specific variants. Transcriptomic analysis of fibroblasts from affected individuals highlighted a group of differentially expressed genes with possible roles in regulation of neuronal development and function, namely H19, SCRG1, RELN, and CACNB4.
Sources: Literature
Intellectual disability syndromic and non-syndromic v0.0 RELN Zornitza Stark gene: RELN was added
gene: RELN was added to Intellectual disability, syndromic and non-syndromic_GHQ. Sources: Expert Review Green,Genetic Health Queensland
Mode of inheritance for gene: RELN was set to Unknown