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Macrophages in Atherosclerosis Regression

Tessa J Barrett1

  • 1From the Division of Cardiology, Department of Medicine, New York University.

Arteriosclerosis, Thrombosis, and Vascular Biology
|November 15, 2019
PubMed

Insights

Macrophages are key players in atherosclerotic cardiovascular disease (ASCVD). Understanding their complex roles and phenotypes is crucial for developing new therapies to promote ASCVD regression and improve patient outcomes.

Area of Science:

  • Cardiovascular Research
  • Immunology
  • Molecular Biology

Background:

  • Macrophages are central to atherosclerotic cardiovascular disease (ASCVD) development, including coronary artery disease and peripheral artery disease.
  • They contribute to inflammation, plaque progression, and thrombosis, making them potential therapeutic targets.
  • The traditional M1/M2 macrophage classification is an oversimplification for ASCVD contexts.

Purpose of the Study:

  • To review macrophage phenotypes and molecular regulators involved in ASCVD regression.
  • To discuss current murine models used to study ASCVD regression.
  • To highlight the need for a deeper understanding of plaque macrophage physiology for therapeutic development.

Main Methods:

  • Literature review of macrophage roles in ASCVD.
  • Analysis of molecular regulators and phenotypes associated with ASCVD regression.
  • Examination of existing murine models for studying ASCVD regression.

Main Results:

  • Macrophages exhibit plasticity and diverse phenotypes within atherosclerotic plaques.
  • Specific molecular regulators influence macrophage functions relevant to ASCVD progression and regression.
  • Current murine models offer insights but require further refinement to fully capture human ASCVD complexity.

Conclusions:

  • A nuanced understanding of macrophage plasticity and phenotypes is essential for developing effective ASCVD regression therapies.
  • Targeting specific macrophage pathways holds promise for stabilizing atherosclerosis and promoting regression.
  • Further research using advanced models is needed to translate findings into clinical applications for cardiovascular disease treatment.

Keywords:
atherosclerosiscoronary artery diseaseinflammationmacrophagesthrombosis

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