ClinVar Miner

Submissions for variant NM_005219.5(DIAPH1):c.1262G>A (p.Arg421Gln)

gnomAD frequency: 0.00001  dbSNP: rs754559074
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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Labcorp Genetics (formerly Invitae), Labcorp RCV001994060 SCV002265941 uncertain significance Autosomal dominant nonsyndromic hearing loss 1; Progressive microcephaly-seizures-cortical blindness-developmental delay syndrome 2022-03-19 criteria provided, single submitter clinical testing 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. Algorithms developed to predict the effect of sequence changes on RNA splicing suggest that this variant may disrupt the consensus splice site. Algorithms developed to predict the effect of missense changes on protein structure and function are either unavailable or do not agree on the potential impact of this missense change (SIFT: "Deleterious"; PolyPhen-2: "Not Available"; Align-GVGD: "Class C0"). This variant has not been reported in the literature in individuals affected with DIAPH1-related conditions. This variant is present in population databases (rs754559074, gnomAD 0.007%). This sequence change replaces arginine, which is basic and polar, with glutamine, which is neutral and polar, at codon 421 of the DIAPH1 protein (p.Arg421Gln).
GeneDx RCV003442986 SCV004169874 uncertain significance not provided 2023-05-08 criteria provided, single submitter clinical testing Not observed at significant frequency in large population cohorts (gnomAD); In silico analysis supports that this missense variant has a deleterious effect on protein structure/function; Has not been previously published as pathogenic or benign to our knowledge

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