ClinVar Miner

Submissions for variant NM_000376.3(VDR):c.1027C>T (p.Arg343Cys)

dbSNP: rs1057521095
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
GeneDx RCV000421461 SCV000521052 likely pathogenic not provided 2018-08-28 criteria provided, single submitter clinical testing The R343C variant in the VDR gene has been previously reported as a homozygous in one Egyptian individual with vitamin D-resistant rickets (Mazen et al., 2014). This individual's parents were confirmed to be heterozygous, and this variant was not present in 200 control chromosomes of Egyptian origin (Mazen et al., 2014). Additionally, R343C was not observed in approximately 6500 individuals of European and African American ancestry in the NHLBI Exome Sequencing Project, indicating it is not a common benign variant in these populations. The R343C variant is a non-conservative amino acid substitution, which occurs at a position that is conserved across species. In silico analysis predicts this variant is probably damaging to the protein structure/function. Therefore, the R343C variant is a strong candidate for a pathogenic variant, however the possibility it may be a rare benign variant cannot be excluded.

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