ClinVar Miner

Submissions for variant NM_173591.3(OTOGL):c.(?_6305)-71_*(79_?)del

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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, Mass General Brigham Personalized Medicine RCV000604505 SCV000731839 pathogenic Rare genetic deafness 2017-08-24 criteria provided, single submitter clinical testing The deletion of exons 53-58 of OTOGL has not been previously reported in individ uals with hearing loss. Similarly sized deletions were identified in 1/5083 Afri can and 1/32850 European chromosomes by the Exome Aggregation Consortium (ExAC, http://exac.broadinstitute.org); however the frequency of these deletions in the general population is low enough to be consistent with a recessive carrier freq uency. This deletions encompasses at least exons 53-58 of OTOGL and is predicted to result in a truncated or absent protein; however the exact breakpoints of th e deletion cannot be determined due to the limitations of the testing methodolog y. Loss of function of OTOGL is an established disease mechanism in autosomal re cessive hearing loss. In summary, this variant meets our criteria to be classifi ed as pathogenic for nonsyndromic hearing loss in an autosomal recessive manner based on the predicted impact of the variant.

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