ClinVar Miner

Submissions for variant NM_021175.4(HAMP):c.175C>T (p.Arg59Ter)

dbSNP: rs779021719
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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 RCV001918890 SCV002186420 uncertain significance Hereditary hemochromatosis 2021-08-12 criteria provided, single submitter clinical testing This sequence change creates a premature translational stop signal (p.Arg59*) in the HAMP gene. While this is not anticipated to result in nonsense mediated decay, it is expected to disrupt the last 26 amino acid(s) of the HAMP protein. This variant is not present in population databases (ExAC no frequency). This premature translational stop signal has been observed in individual(s) with clinical features of hemochromatosis (PMID: 26310624, 26799139). Algorithms developed to predict the effect of sequence changes on RNA splicing suggest that this variant may create or strengthen a splice site. This variant disrupts a region of the HAMP protein in which other variant(s) (p.Cys78Tyr) have been observed in individuals with HAMP-related conditions (PMID: 15099344). This suggests that this is a clinically significant region of the protein, and that variants that disrupt it are likely to be disease-causing. 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.

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