ClinVar Miner

Submissions for variant NM_144612.6(LOXHD1):c.6454G>A (p.Gly2152Ser) (rs769490340)

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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 RCV000601672 SCV000731426 uncertain significance not specified 2017-02-11 criteria provided, single submitter clinical testing The p.Gly2152Ser variant in LOXHD1 has not been previously reported in individua ls with hearing loss. Data from large population studies is insufficient to asse ss the frequency of this variant. Computational prediction tools and conservatio n analysis suggest that the p.Gly2152Ser variant may impact the protein, though this information is not predictive enough to determine pathogenicity. This varia nt is predicted to result in a missense change in 4 of the 5 LOXHD1 transcripts. However, in one shorter transcript (NM_001145472.2), this variant is located in the last base of the second to last exon. This position is part of the 5' splic e region in this transcript, and computational tools predict a mild impact to sp licing, however this would not affect splicing in the other transcripts of LOXHD 1. While truncating variants that affect both the long and short transcripts of the LOXHD1 gene (NM_144612.6 and NM_001145472.2) have been reported, deleterious variants that impact only this shorter transcript (NM_001145472.2) have not bee n reported in hearing loss probands to date. In addition, there is no functional data on whether or not the shorter transcripts of LOXHD1 are essential for norm al hearing. In summary, the clinical significance of the p.Gly2152Ser variant is uncertain.

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