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Leukocyte behavior in atherosclerosis, myocardial infarction, and heart failure

Filip K Swirski1, Matthias Nahrendorf

  • 1Center for Systems Biology, Massachusetts General Hospital and Harvard Medical School, Simches Research Building, 185 Cambridge Street, Boston, MA 02114, USA. fswirski@mgh.harvard.edu

Science (New York, N.Y.)
|January 12, 2013
PubMed

Insights

Leukocytes, or white blood cells, play a critical role in the development and progression of cardiovascular diseases like atherosclerosis, myocardial infarction (MI), and heart failure. Understanding their function is key to addressing these leading causes of death.

Area of Science:

  • Cardiovascular Medicine
  • Immunology
  • Pathophysiology

Background:

  • Cardiovascular diseases (CVDs) are the leading global cause of mortality.
  • Atherosclerosis, characterized by vascular inflammation and lipid deposition, underlies major CVDs such as myocardial infarction (MI) and congestive heart failure.
  • Leukocytes are integral to the inflammatory processes driving CVD progression.

Purpose of the Study:

  • To review the multifaceted roles of leukocytes in the pathogenesis of atherosclerosis.
  • To elucidate leukocyte involvement in the acute phase and aftermath of myocardial infarction (MI).
  • To discuss the contribution of leukocytes to the development and exacerbation of congestive heart failure.

Main Methods:

  • Comprehensive literature review of studies investigating leukocyte function in cardiovascular disease models and human subjects.
  • Analysis of research focusing on inflammatory pathways and cellular mechanisms.
  • Synthesis of findings related to leukocyte subsets and their specific roles.

Main Results:

  • Leukocytes are key mediators of inflammatory lesion development in atherosclerosis.
  • Specific leukocyte populations contribute to myocardial damage and remodeling post-MI.
  • Leukocyte activity influences the progression and severity of congestive heart failure.

Conclusions:

  • Leukocyte function is a critical determinant across the spectrum of major cardiovascular diseases.
  • Targeting leukocyte pathways presents a potential therapeutic strategy for managing atherosclerosis, MI, and heart failure.
  • Further research into leukocyte subsets and their interactions is warranted for novel treatment development.

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