ClinVar Miner

Submissions for variant NM_004572.3(PKP2):c.1378G>C (p.Asp460His) (rs794729106)

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
GeneDx RCV000183742 SCV000236223 pathogenic not provided 2014-06-24 criteria provided, single submitter clinical testing p.Asp460His (GAC>CAC): c.1378 G>C in exon 5 of the PKP2 gene (NM_004572.3). It has not been published as a mutation, nor has it been reported as a benign polymorphism to our knowledge. The c.1378 G>C mutation results in a missense change of codon Asp460 to a Histidine in the PKP2 gene, which alters the last base of exon 5, immediately 5' of the canonical GT" splice donor site. In silico analysis with 2 different splice algorithms predicts this mutation destroys the donor site at the exon 5/intron 5 junction of the PKP2 gene and is expected to cause abnormal gene splicing. This may lead to loss of protein function due to protein truncation or absence of protein from this allele due to mRNA decay. Furthermore, the c.1378 G>C mutation was not observed in approximately 6,500 individuals of European and African American ancestry in the NHLBI Exome Sequencing Project, indicating it is not a common benign variant in these populations. Other mutations affecting the same splicing site have been reported in association with ARVC. In summary, c.1378 G>C in the PKP2 gene is interpreted as a disease-causing mutation. The variant is found in ARRHYTHMIA panel(s)."

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