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Leptin-induced endothelial dysfunction: a target for therapeutic interventions.

Gregory A Payne, Johnathan D Tune, Jarrod D Knudson1

  • 1Department of Pediatrics, Divisions of Critical Care and Cardiology, University of Mississippi Medical Center / Batson Children's Hospital, 2500 North State St. Jackson, MS 39216. jknudson@umc.edu.

Current Pharmaceutical Design
|May 22, 2013
PubMed
Summary

Leptin, initially studied for appetite control, is now recognized as a risk factor for cardiovascular diseases. Research highlights leptin

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Area of Science:

  • Cardiovascular Science
  • Endocrinology
  • Molecular Biology

Background:

  • Leptin, a hormone primarily known for regulating energy balance, has emerged as a significant factor in cardiovascular pathology.
  • Hyperleptinemia is increasingly recognized as an independent risk factor for conditions like atherosclerotic coronary artery disease.
  • Leptin plays a crucial role in endothelial dysfunction and neointimal hyperplasia, key processes in atherosclerosis.

Purpose of the Study:

  • To review the literature on leptin's role in cardiovascular pathologies.
  • To emphasize the impact of perivascular adipose tissue (PVAT)-derived leptin on coronary circulation.
  • To discuss proposed molecular mechanisms underlying PVAT-mediated coronary endothelial dysfunction and neointimal hyperplasia.

Main Methods:

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Last Updated: May 11, 2026

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Published on: September 9, 2025

  • Literature review of studies investigating leptin's effects on the cardiovascular system.
  • Focus on research implicating leptin in endothelial dysfunction and smooth muscle cell proliferation.
  • Analysis of studies examining the role of paracrine leptin release from PVAT.

Main Results:

  • Leptin is implicated as a mediator in endothelial dysfunction and neointimal hyperplasia.
  • Paracrine leptin release from PVAT negatively affects coronary endothelium and vascular smooth muscle cells.
  • PVAT-derived leptin contributes to coronary endothelial dysfunction and neointimal hyperplasia.

Conclusions:

  • Leptin is a critical factor in the development of cardiovascular diseases, particularly coronary artery disease.
  • Perivascular adipose tissue-derived leptin exerts detrimental effects on the coronary vasculature.
  • Understanding the molecular mechanisms of PVAT-leptin signaling is essential for therapeutic strategies against coronary vascular pathologies.