Association of 25 bp Deletion in MYBPC3 Gene with Left Ventricle Dysfunction in Coronary Artery Disease Patients
2011

Genetic Link Between MYBPC3 Deletion and Heart Dysfunction in CAD Patients

Sample size: 405 publication 10 minutes Evidence: moderate

Author Information

Author(s): Anshika Srivastava, Naveen Garg, Tulika Mittal, Roopali Khanna, Shipra Gupta, Prahlad Kishore Seth, Balraj Mittal

Primary Institution: Sanjay Gandhi Post Graduate Institute of Medical Sciences, Lucknow, India

Hypothesis

Does the MYBPC3 25 bp deletion polymorphism influence left ventricular dysfunction in coronary artery disease patients?

Conclusion

The MYBPC3 25 bp deletion is associated with compromised left ventricular ejection fraction in coronary artery disease patients.

Supporting Evidence

  • The study found that 25.9% of CAD patients had compromised ejection fractions.
  • The presence of the MYBPC3 deletion was significantly associated with lower left ventricular ejection fraction.
  • Replication studies confirmed the association of MYBPC3 deletion with compromised ejection fraction.

Takeaway

Some people with heart disease have a genetic change that makes their heart work less well. This study found that this change is common in certain patients.

Methodology

The study analyzed 265 CAD patients and 220 controls, using polymerase chain reaction to determine MYBPC3 25 bp polymorphism.

Potential Biases

Possible linkage disequilibrium with neighboring genes may confound results.

Limitations

The sample size is limited, and the study is retrospective, requiring confirmation in larger cohorts.

Participant Demographics

The study included 405 CAD patients, with a mean age of approximately 55.78 years, and a male predominance (85.9%).

Statistical Information

P-Value

<0.001

Confidence Interval

OR 4.49 (1.58 – 11.82)

Statistical Significance

p<0.001

Digital Object Identifier (DOI)

10.1371/journal.pone.0024123

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