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Corneal Dystrophy v1.11 SPARCL1 Chirag Patel gene: SPARCL1 was added
gene: SPARCL1 was added to Corneal Dystrophy. Sources: Literature
Mode of inheritance for gene: SPARCL1 was set to MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Publications for gene: SPARCL1 were set to PMID: 39169229
Phenotypes for gene: SPARCL1 were set to Corneal dystrophy, MONDO:0018102
Review for gene: SPARCL1 was set to RED
Added comment: 8 affected individuals with corneal dystrophy from 1 family (3 generations). Affected individuals had diffuse central stromal opacity, with reduced visual acuity in older family members. Histopathology of affected cornea tissue revealed mild stromal textural alterations with alcianophilic deposits.

WGS from 4 affected individuals in family identified a novel heterozygous missense variant in exon 4 of SPARCL1 (c.334G > A; p.(Glu112Lys)) which segregated with disease.

SPARC-like protein 1 (SPARCL1) is a secreted matricellular protein involved in cell migration, cell adhesion, tissue repair, and remodelling. SPARCL1 has been shown to regulate decorin. Heterozygous variants in DCN, encoding decorin, cause autosomal dominant congenital stromal corneal dystrophy, suggesting a common pathogenic pathway. Immunohistochemistry showed the level of decorin was significantly decreased in the corneal stroma of the affected tissue, and SPARCL1 appeared to be retained in the epithelium.
Sources: Literature
Corneal Dystrophy v0.44 DCN Zornitza Stark Marked gene: DCN as ready
Corneal Dystrophy v0.44 DCN Zornitza Stark Gene: dcn has been classified as Green List (High Evidence).
Corneal Dystrophy v0.44 DCN Zornitza Stark Phenotypes for gene: DCN were changed from to Corneal dystrophy, congenital stromal, MIM# 610048
Corneal Dystrophy v0.43 DCN Zornitza Stark Publications for gene: DCN were set to
Corneal Dystrophy v0.42 DCN Zornitza Stark Mode of inheritance for gene: DCN was changed from Unknown to MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Corneal Dystrophy v0.41 DCN Zornitza Stark reviewed gene: DCN: Rating: GREEN; Mode of pathogenicity: None; Publications: 15671264, 16935612, 21993463, 24413633, 26828927; Phenotypes: Corneal dystrophy, congenital stromal, MIM# 610048; Mode of inheritance: MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Corneal Dystrophy v0.0 DCN Zornitza Stark gene: DCN was added
gene: DCN was added to Corneal Dystrophy_VCGS. Sources: Expert Review Green,Victorian Clinical Genetics Services
Mode of inheritance for gene: DCN was set to Unknown