ClinVar Miner

Submissions for variant NM_001845.6(COL4A1):c.2608G>A (p.Gly870Arg)

dbSNP: rs1877962670
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Illumina Laboratory Services, Illumina RCV002246270 SCV001451557 pathogenic Brain small vessel disease 1 with or without ocular anomalies 2019-02-26 criteria provided, single submitter clinical testing The COL4A1 c.2608G>A (p.Gly870Arg) variant is a missense variant that has been reported in one study, in which it is found in a heterozygous state in one individual with porencephaly, congenital cataract, epilepsy, and intellectual disability (Yoneda et al. 2016). The p.Gly870Arg variant was absent from 200 healthy Japanese controls and is not found in the Genome Aggregation Database. The variant is located in the collagen triple helical domain of the protein, where alterations to highly conserved glycine residues are often associated with disease. Based on the evidence and application of the ACMG criteria, the p.Gly870Arg variant is classified as pathogenic for COL4A1-related disorders.

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