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Genetics and heritability of coronary artery disease and myocardial infarction

Björn Mayer1, Jeanette Erdmann, Heribert Schunkert

  • 1Universitätsklinikum Schleswig-Holstein (UKSH), Ratzeburger Allee 160, Campus Lübeck, Medizinische Klinik II, 23538 Lübeck, Germany. bjoern.mayer@innere2.uni-luebeck.de

Clinical Research in Cardiology : Official Journal of the German Cardiac Society
|October 6, 2006
PubMed

Insights

A positive family history is common in coronary artery disease (CAD) and myocardial infarction (MI). This review examines studies on familial risk and summarizes molecular genetics research for CAD and MI.

Area of Science:

  • Cardiovascular Medicine
  • Genetics
  • Epidemiology

Background:

  • A positive family history is frequently observed in patients diagnosed with coronary artery disease (CAD) or myocardial infarction (MI).
  • Distinguishing between sporadic and heritable causes of CAD/MI is critical for accurate risk stratification.
  • Familial predisposition is typically defined by early-onset MI in first-degree relatives (males <55 years, females <65 years).

Purpose of the Study:

  • To review major studies investigating familial risk factors for CAD and myocardial infarction.
  • To provide an overview of current molecular genetic research related to CAD and MI heritability.

Main Methods:

  • Systematic literature review of studies reporting familial risk of CAD/MI.
  • Summary of findings from molecular genetic research on relevant chromosomal loci and genes.

Main Results:

  • Multiple studies indicate a significant familial component contributing to the risk of CAD and MI.
  • Current research has identified several chromosomal loci and genes associated with familial risk of CAD/MI.

Conclusions:

  • Family history is an important indicator for assessing the heritable risk of CAD and MI.
  • Understanding the genetic basis of familial CAD/MI can improve risk prediction and inform personalized prevention strategies.

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