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[Anti-atherosclerotic effects of PPAR gamma ligands]

Shu Wakino1

  • 1Department of Emergency Medicine, School of Medicine, Keio University.

Nihon Rinsho. Japanese Journal of Clinical Medicine
|January 24, 2004
PubMed

Insights

Peroxisome proliferator-activated receptor gamma (PPAR gamma) ligands show anti-atherosclerosis effects by reducing lesion formation and intimal hyperplasia in studies. These ligands also attenuate intima-media thickness increases in diabetic patients, though long-term impacts require further investigation.

Area of Science:

  • Cardiovascular Research
  • Endocrinology
  • Molecular Biology

Context:

  • Peroxisome proliferator-activated receptor gamma (PPAR gamma), a nuclear receptor, is activated by insulin sensitizers like thiazolidinediones.
  • PPAR gamma is expressed in vascular tissues, influencing endothelial cells, smooth muscle cells, and macrophages.
  • PPAR gamma ligands demonstrate pleiotropic effects on vascular cells.

Purpose:

  • To investigate the role and therapeutic potential of PPAR gamma ligands in the context of atherosclerosis.
  • To summarize the anti-atherosclerotic effects of PPAR gamma ligands observed in preclinical and clinical studies.

Summary:

  • PPAR gamma ligands exhibit significant anti-atherosclerotic properties, attenuating lesion development and intimal hyperplasia in various animal models.
  • In human studies, particularly in diabetic patients, PPAR gamma ligands have been shown to reduce intima-media thickness.
  • The expression of PPAR gamma in key vascular cell types underscores its importance in vascular homeostasis and disease.

Impact:

  • PPAR gamma ligands represent a promising therapeutic strategy for managing and potentially preventing atherosclerosis.
  • Further long-term studies are warranted to fully elucidate the sustained benefits and safety profile of PPAR gamma ligands in atherogenesis.
  • Understanding PPAR gamma's function in vascular cells opens new avenues for targeted therapies against cardiovascular diseases.

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