ClinVar Miner

Submissions for variant NM_001287.6(CLCN7):c.2385_2386del (p.Gly796fs)

dbSNP: rs2142364275
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Total submissions: 3
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Labcorp Genetics (formerly Invitae), Labcorp RCV001899493 SCV002130720 uncertain significance not provided 2022-06-27 criteria provided, single submitter clinical testing This variant results in an extension of the CLCN7 protein. Other variant(s) that result in a similarly extended protein product (p.Glu798Glyfs*129) have been observed in individuals with CLCN7-related disease (PMID: 19288050). This suggests that these extensions may be clinically significant. In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance. Experimental studies have shown that this frameshift affects CLCN7 function (PMID: 21527911). Algorithms developed to predict the effect of variants on protein structure and function are not available or were not evaluated for this variant. This variant is also known as 2423delAG. This frameshift has been observed in individuals with autosomal dominant osteopetrosis (PMID: 11741829). This variant is not present in population databases (gnomAD no frequency). This sequence change results in a frameshift in the CLCN7 gene (p.Gly796Leufs*130). While this is not anticipated to result in nonsense mediated decay, it is expected to disrupt the last 10 amino acid(s) of the CLCN7 protein and extend the protein by 119 additional amino acid residues.
Baylor Genetics RCV003147692 SCV003835641 pathogenic Autosomal recessive osteopetrosis 4 2022-10-03 criteria provided, single submitter clinical testing
OMIM RCV002279772 SCV000027463 pathogenic Autosomal dominant osteopetrosis 2 2001-12-01 no assertion criteria provided literature only

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