ClinVar Miner

Submissions for variant NM_015662.3(IFT172):c.3796C>T (p.Arg1266Trp)

gnomAD frequency: 0.00001  dbSNP: rs902724768
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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 RCV001958000 SCV002208413 uncertain significance Short-rib thoracic dysplasia 10 with or without polydactyly; Retinitis pigmentosa 71 2022-08-16 criteria provided, single submitter clinical testing This sequence change replaces arginine, which is basic and polar, with tryptophan, which is neutral and slightly polar, at codon 1266 of the IFT172 protein (p.Arg1266Trp). This variant is present in population databases (no rsID available, gnomAD 0.006%). This variant has not been reported in the literature in individuals affected with IFT172-related conditions. ClinVar contains an entry for this variant (Variation ID: 1439023). 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: "Possibly Damaging"; Align-GVGD: "Class C0"). 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.
PreventionGenetics, part of Exact Sciences RCV004738460 SCV005357431 uncertain significance IFT172-related disorder 2024-05-29 no assertion criteria provided clinical testing The IFT172 c.3796C>T variant is predicted to result in the amino acid substitution p.Arg1266Trp. To our knowledge, this variant has not been reported in the literature. This variant is reported in 0.0055% of alleles in individuals of East Asian descent in gnomAD. At this time, the clinical significance of this variant is uncertain due to the absence of conclusive functional and genetic evidence.

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