ClinVar Miner

Submissions for variant NM_001277269.2(OTOG):c.7389dup (rs1157646266)

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Laboratory for Molecular Medicine, Partners HealthCare Personalized Medicine RCV000610410 SCV000712303 likely pathogenic Rare genetic deafness 2016-06-21 criteria provided, single submitter clinical testing The p.Ala2464fs variant in OTOG has not been previously reported in individuals with hearing loss or in large population studies, though the ability of these st udies to detect insertions or deletions accurately may be limited. This variant is predicted to cause a frameshift, which creates a premature termination codon at position 18 and is predicted to lead to a truncated or absent protein. This a lteration is then predicted to lead to a truncated or absent protein. Two loss o f function variants in the OTOG gene have been reported to segregate with hearin g loss in two families (Schraders 2012), and disruption of Otog in mice resulted in deafness supporting of a loss-of-function mechanism for the disease (Simmler 2000). In summary, although additional evidence is required to strengthen the g ene-disease association between OTOG and hearing loss, currently available data support that the p.Ala2464SerfsX18 variant is likely pathogenic.

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