ClinVar Miner

Submissions for variant NM_002184.4(IL6ST):c.2199C>A (p.Cys733Ter)

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Labcorp Genetics (formerly Invitae), Labcorp RCV002635318 SCV002963500 pathogenic not provided 2022-10-12 criteria provided, single submitter clinical testing For these reasons, this variant has been classified as Pathogenic. This variant disrupts the region of the IL6ST protein between codon 719 and 761. Other variants in this region have been observed in individuals with autosomal dominant IL6ST-related conditions (PMID: 32207811), which suggests that this may be a clinically significant region of the protein. Experimental studies have shown that this premature translational stop signal affects IL6ST function (PMID: 32207811). Algorithms developed to predict the effect of variants on protein structure and function are not available or were not evaluated for this variant. This premature translational stop signal has been observed in individual(s) with autosomal dominant IL6ST-related conditions (PMID: 32207811). This variant is not present in population databases (gnomAD no frequency). This sequence change creates a premature translational stop signal (p.Cys733*) in the IL6ST gene. While this is not anticipated to result in nonsense mediated decay, it is expected to disrupt the last 186 amino acid(s) of the IL6ST protein.

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