Abstract
Heart failure is a leading cause of mortality in South Asians. However, its genetic etiology remains largely unknown. Cardiomyopathies due to sarcomeric mutations are a major monogenic cause for heart failure (MIM600958). Here, we describe a deletion of 25 bp in the gene encoding cardiac myosin binding protein C (MYBPC3) that is associated with heritable cardiomyopathies and an increased risk of heart failure in Indian populations (initial study OR = 5.3 (95% CI = 2.3-13), P = 2 x 10(-6); replication study OR = 8.59 (3.19-25.05), P = 3 x 10(-8); combined OR = 6.99 (3.68-13.57), P = 4 x 10(-11)) and that disrupts cardiomyocyte structure in vitro. Its prevalence was found to be high (approximately 4%) in populations of Indian subcontinental ancestry. The finding of a common risk factor implicated in South Asian subjects with cardiomyopathy will help in identifying and counseling individuals predisposed to cardiac diseases in this region.
| Original language | English |
|---|---|
| Pages (from-to) | 187-91 |
| Number of pages | 5 |
| Journal | Nature Genetics |
| Volume | 41 |
| Issue number | 2 |
| DOIs | |
| Publication status | Published - Feb 2009 |
| Externally published | Yes |
Keywords
- Asia
- Autopsy
- Base Sequence
- Cardiomyopathies
- Carrier Proteins
- Case-Control Studies
- Cohort Studies
- DNA Mutational Analysis
- Gene Frequency
- Genetic Linkage
- Genetic Predisposition to Disease
- Geography
- Humans
- Molecular Sequence Data
- Polymorphism, Genetic
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