Coding sequence rare variants identified in MYBPC3, MYH6, TPM1, TNNC1, and TNNI3 from 312 patients with familial or idiopathic dilated cardiomyopathy.

ABSTRACT:

Background

Rare variants in >30 genes have been shown to cause idiopathic or familial dilated cardiomyopathy (DCM), but the frequency of genetic causation remains poorly understood. We have previously resequenced 9 genes in a cohort of idiopathic or familial DCM probands for rare variants, and now we report resequencing results for 5 more genes with established relationships to DCM.

Methods and results

Blood samples were collected, and DNA specimens were prepared from 312 patients, 181 with familial DCM and 131 with idiopathic DCM. Genomic DNA underwent bidirectional sequencing, and DNA of additional family members underwent analysis when a rare variant was identified. We identified rare variants in 34 probands (10.9% overall), including 29 unique protein-altering rare varia

SUBMITTER: Hershberger RE 

PROVIDER: S-EPMC2908892 | biostudies-literature | 2010 Apr

REPOSITORIES: biostudies-literature