Total submissions: 2
Submitter | RCV | SCV | Clinical significance | Condition | Last evaluated | Review status | Method | Comment |
---|---|---|---|---|---|---|---|---|
Laboratory for Molecular Medicine, |
RCV000600685 | SCV000731383 | likely pathogenic | Rare genetic deafness | 2017-01-24 | criteria provided, single submitter | clinical testing | The p.Gly1565X variant in OTOG has not been previously reported in individuals w ith hearing loss or in large population databases. This nonsense variant leads t o a premature termination codon at position 1565, which is predicted to lead to a truncated or absent protein. Two loss of function variants in the OTOG gene ha ve been reported to segregate with hearing loss in two families (Schraders 2012) . Furthermore, disruption of Otog in mice results in deafness, supporting a loss -of-function mechanism for the disease (Simmler 2000). In summary, while the p.G ly1565X variant is likely pathogenic for autosomal recessive nonsyndromic hearin g loss based on the predicted impact of the variant, additional evidence support ing the role of OTOG in hearing loss is needed to definitively establish the cli nical significance of this variant. |
Gene |
RCV000760670 | SCV000890562 | likely pathogenic | not provided | 2018-08-06 | criteria provided, single submitter | clinical testing | The G1565X variant in the OTOG gene has not been reported previously as a pathogenic variant nor as a benign variant, to our knowledge. This variant is predicted to cause loss of normal protein function either through protein truncation or nonsense-mediated mRNA decay. The G1565X variant is not observed at a significant frequency in large population cohorts (Lek et al., 2016). We interpret G1565X as a likely pathogenic variant. |