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Chemokines and atherosclerosis.

T J Reape1, P H Groot

  • 1Department of Vascular Biology, SmithKline Beecham Pharmaceuticals, New Frontiers Science Park North, Coldharbour Road, Harlow, UK. theresa_reape1@sbphrd.com

Atherosclerosis
|November 24, 1999
PubMed
Summary

Chemokines, like monocyte chemoattractant protein-1 (MCP-1), are key drivers of leukocyte recruitment in atherosclerosis. This review explores their role in monocyte/macrophage inflammatory responses and plaque development.

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Area of Science:

  • Immunology
  • Cardiovascular Biology
  • Molecular Medicine

Background:

  • Chemokines are proteins regulating leukocyte movement and activation.
  • Monocyte chemoattractant protein-1 (MCP-1) is highly expressed in human atherosclerotic lesions.
  • MCP-1 is implicated in monocyte recruitment into the arterial wall.

Purpose of the Study:

  • To review current knowledge on MCP-1, its receptor CCR2, and their role in atherogenesis.
  • To discuss the involvement of other chemokines (RANTES, MIP-1α/β, MCP-4, ELC, PARC, IL-8) in atherosclerosis.
  • To highlight the role of chemokines in immune responses and vascular remodeling during plaque formation.

Main Methods:

  • Literature review of studies on chemokines and atherosclerosis.
  • Analysis of data on chemokine expression and function in atherosclerotic lesions.
  • Discussion of experimental evidence implicating chemokines in atherogenesis.

Main Results:

  • MCP-1 and its receptor CCR2 are central to monocyte recruitment in atherosclerosis.
  • Other chemokines (RANTES, MIP-1α/β, MCP-4, ELC, PARC) also contribute to lesion formation.
  • IL-8, primarily known for neutrophil effects, is emerging in atherosclerosis.

Conclusions:

  • Chemokines play a critical role in the inflammatory recruitment of monocytes/macrophages during atherogenesis.
  • Chemokines influence local immune responses and vascular remodeling, contributing to unstable plaque formation.
  • Targeting chemokine pathways presents potential therapeutic strategies for atherosclerosis.

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