ClinVar Miner

Submissions for variant NM_000435.3(NOTCH3):c.3403G>T (p.Gly1135Cys)

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
ARUP Laboratories, Molecular Genetics and Genomics,ARUP Laboratories RCV001286882 SCV001473505 likely pathogenic none provided 2020-03-30 criteria provided, single submitter clinical testing The NOTCH3 c.3403G>T; p.Gly1135Cys variant (rs867379493), to our knowledge, is not reported in the medical literature or gene specific databases. This variant is also absent from general population databases (Exome Variant Server, Genome Aggregation Database), indicating it is not a common polymorphism. The glycine at codon 1135 is highly conserved, occurs in an EGF-like domain, and computational analyses (SIFT, PolyPhen-2) predict that this variant is deleterious. Most pathogenic NOTCH3 variants occur in exons 2-24 and either create or destroy a cysteine residue within an EGF-like domain (Rutten 2014), and thus the p. Gly1135Cys variant is consistent with the predominant mechanism of disease in NOTCH3. Based on available information, this variant is considered to be likely pathogenic. References: Rutten JW et al. Interpretation of NOTCH3 mutations in the diagnosis of CADASIL. Expert Rev Mol Diagn. 2014 Jun;14(5):593-603.

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