ClinVar Miner

Submissions for variant NM_000441.2(SLC26A4):c.641A>G (p.Tyr214Cys)

dbSNP: rs773861155
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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
National Institute of Sensory Organs, National Hospital Organization Tokyo Medical Center RCV001004628 SCV000994873 pathogenic Autosomal recessive nonsyndromic hearing loss 4 2019-08-20 criteria provided, single submitter clinical testing in vitro experiment
Invitae RCV002538372 SCV003490484 pathogenic not provided 2023-03-04 criteria provided, single submitter clinical testing For these reasons, this variant has been classified as Pathogenic. Experimental studies have shown that this missense change affects SLC26A4 function (PMID: 31599023). Advanced modeling of protein sequence and biophysical properties (such as structural, functional, and spatial information, amino acid conservation, physicochemical variation, residue mobility, and thermodynamic stability) performed at Invitae indicates that this missense variant is expected to disrupt SLC26A4 protein function. ClinVar contains an entry for this variant (Variation ID: 691509). This missense change has been observed in individual(s) with clinical features of Pendred syndrome (PMID: 31599023). In at least one individual the data is consistent with being in trans (on the opposite chromosome) from a pathogenic variant. This variant is not present in population databases (gnomAD no frequency). This sequence change replaces tyrosine, which is neutral and polar, with cysteine, which is neutral and slightly polar, at codon 214 of the SLC26A4 protein (p.Tyr214Cys).

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