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Mitochondrial Genome Mutations Associated with Myocardial Infarction

Margarita A Sazonova1,2, Anastasia I Ryzhkova1, Vasily V Sinyov2

  • 1Laboratory of Angiopathology, Institute of General Pathology and Pathophysiology, Moscow 125315, Russia.

Disease Markers
|April 20, 2018
PubMed

Insights

Mitochondrial DNA mutations are linked to myocardial infarction. Specifically, m.5178C>A shows a positive correlation, while m.14846G>A has a significant negative correlation, offering potential diagnostic and therapeutic insights.

Area of Science:

  • Genetics
  • Cardiology
  • Molecular Biology

Background:

  • Myocardial infarction (MI) is a key manifestation of coronary heart disease, often linked to aortic atherosclerotic plaques.
  • Previous research by our group indicated a connection between mitochondrial DNA (mtDNA) mutations and arterial atherosclerotic lesions.

Purpose of the Study:

  • To investigate the association between specific human mitochondrial genome mutations and myocardial infarction.
  • To identify potential genetic markers for MI risk and therapeutic targets.

Main Methods:

  • DNA was extracted from leukocyte samples of 225 MI patients and 239 controls.
  • Polymerase chain reaction (PCR) was used to amplify specific regions of 11 mtDNA mutations.
  • Statistical analysis was performed to determine correlations between mutations and MI.

Main Results:

  • Three human mitochondrial genome mutations showed a significant correlation with myocardial infarction.
  • Mutation m.5178C>A exhibited a positive correlation with MI.
  • Mutation m.14846G>A demonstrated a highly significant negative correlation with MI, and m.12315G>A showed a trend towards negative correlation.

Conclusions:

  • Specific mtDNA mutations are associated with myocardial infarction.
  • These identified mutations may serve as valuable biomarkers for MI diagnosis.
  • The findings could aid in developing molecular models and novel therapeutic strategies for MI.

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