ClinVar Miner

Submissions for variant NM_000785.4(CYP27B1):c.320G>A (p.Arg107His)

dbSNP: rs28934604
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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Illumina Laboratory Services, Illumina RCV000001725 SCV000380514 likely pathogenic Vitamin D-dependent rickets, type 1 2017-04-27 criteria provided, single submitter clinical testing The CYP27B1 c.320G>A (p.Arg107His) missense variant is reported in two studies in which it is found in three patients with vitamin D-dependent rickets, including in one patient who carried the variant in a homozygous state and in two brothers who were compound heterozygous for the p.Arg107His variant and a null variant (Kitanaka et al. 1998; Miyai et al. 2015). Control data are unavailable for this variant, which is not reported in the 1000 Genomes Project, the Exome Sequencing Project, the Exome Aggregation Consortium or the Genome Aggregation Database. The p.Arg107His variant was found to result in significantly reduced protein expression and no detectable protein activity as compared to wild type (Sawada et al. 1999; Sawada et al. 2001; Jacobs et al. 2013). Based on the evidence, the p.Arg107His variant is classified as likely pathogenic for vitamin D-dependent rickets. This variant was observed by ICSL as part of a predisposition screen in an ostensibly healthy population.
OMIM RCV001195100 SCV000021881 pathogenic Vitamin D-dependent rickets, type 1A 1998-03-05 no assertion criteria provided literature only

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