ClinVar Miner

Submissions for variant NM_000363.5(TNNI3):c.514C>G (p.His172Asp) (rs730881075)

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
GeneDx RCV000159233 SCV000209179 likely pathogenic not provided 2012-01-13 criteria provided, single submitter clinical testing The His172Asp variant in the TNNI3 gene has not been reported previously as a disease-causing mutation nor as a benign polymorphism, to our knowledge. His172Asp results in a non-conservative amino acid substitution of a positively charged Histidine with a negatively charged Aspartic acid at a residue that is conserved across mammalian species. Mutations in nearby codons (Arg170Gln, Ala171Thr, Lys178Gln) have been reported in association with cardiomyopathy, supporting the functional importance of this region of the protein. The NHLBI ESP Exome Variant Server reports His172Asp was not observed in approximately 6,200 samples from individuals of European and African American backgrounds, indicating it is not a common benign variant in these populations.In summary, while the His172Asp variant in the TNNI3 gene is a good candidate for a disease-causing mutation, we cannot unequivocally determine whether this variant is disease-causing or a benign variant.The variant is found in HCM panel(s).

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