ClinVar Miner

Submissions for variant NM_001943.5(DSG2):c.667del (p.Thr223fs)

dbSNP: rs1555671335
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
GeneDx RCV000627619 SCV000748619 likely pathogenic not provided 2018-04-20 criteria provided, single submitter clinical testing Although the c.667delA likely pathogenic variant in the DSG2 gene has not been reported to our knowledge, this variant causes a shift in reading frame starting at codon threonine 223, changing it to a proline, and creating a premature stop codon at position 15 of the new reading frame, denoted p.Thr223ProfsX15. This variant is expected to result in either an abnormal, truncated protein product or loss of protein from this allele through nonsense-mediated mRNA decay. Other frameshift variants in the DSG2 gene have been reported in the Human Gene Mutation Database in association with ARVC (Stenson et al., 2014), indicating that loss of function is a mechanism of disease for this gene. Furthermore, the c.667delA variant has not been observed in large population cohorts (Lek et al., 2016).

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