ClinVar Miner

Submissions for variant NM_022124.6(CDH23):c.3106+4C>T (rs1900497)

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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 RCV000150286 SCV000197319 uncertain significance not specified 2014-08-28 criteria provided, single submitter clinical testing Variant classified as Uncertain Significance - Favor Benign. The Ala1037Val vari ant in CDH23 (NM_01171391.1) has not been previously reported in individuals wit h hearing loss and was absent from large population studies. The alanine (Ala) a t position 1037 is not conserved in mammals or evolutionary distant species, rai sing the possibility that a change at this position may be tolerated. Additional computational prediction tools suggest the Ala1037Val variant may not impact th e protein, though this information is not predictive enough to rule out pathogen icity. Note that in an alternate transcript of CDH23, the variant occurs at the +4 splice site position (c.3106+4C>T in NM_022124.5). However, this variant does not affect the invariant +1/+2 positions of the splice site consensus sequence and computational tools do not predict an impact to splicing. In summary, while the clinical significance of the Ala1037Val variant is uncertain, these data sug gest that is more likely to be benign.

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