An Evaluation Of The Clinical Potential Of Ngs In Hcm
2014
Background hypertrophic Cardiomayopathy is an inherited heart muscle disease with considerable heterogeneity at genetic and phenotypic levels and poor correlation between genotype and phenotype. Next generation sequencing could help in addressing this problem. Subjects and Methods The present study involved 144 unrelated consecutive index HCM patients enrolled in the BA HCM National Program in Egypt subjected to large scale high throughput targeted next generation of coding and exon flanking regions of over 100 genes involved in inherited cardiac conditions (ICC) including genes with a known role in HCM (Illumina HiSeq) Results Putative pathogenic variants were detected in 67 samples (67/144, 46%), mostly found in sarcomeric genes in the order of: MYBPC3 (38.8%), followed by MYH7 (33%), MYL3 (9%), TNNT2 (4.5%), TNNI3 (in 2 samples). TNNC1, MYLK2 and TPM1, ACTN2, TCAP, PLN, ACTN2, MYH6 showed a potentially pathogenic in 1 patient, each. Validation was performed by Sanger sequencing. Twenty six variants wer...
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