Perivascular Adipose Tissue Regulates Vascular Function by Targeting Vascular Smooth Muscle Cells

DOI Web Site 5 Citations
  • Lin Chang
    From the Department of Internal Medicine, Cardiovascular Center, University of Michigan Medical School, Ann Arbor.
  • Minerva T. Garcia-Barrio
    From the Department of Internal Medicine, Cardiovascular Center, University of Michigan Medical School, Ann Arbor.
  • Y. Eugene Chen
    From the Department of Internal Medicine, Cardiovascular Center, University of Michigan Medical School, Ann Arbor.

Abstract

<jats:p>Adipose tissues are present at multiple locations in the body. Most blood vessels are surrounded with adipose tissue which is referred to as perivascular adipose tissue (PVAT). Similarly to adipose tissues at other locations, PVAT harbors many types of cells which produce and secrete adipokines and other undetermined factors which locally modulate PVAT metabolism and vascular function. Uncoupling protein-1, which is considered as a brown fat marker, is also expressed in PVAT of rodents and humans. Thus, compared with other adipose tissues in the visceral area, PVAT displays brown-like characteristics. PVAT shows a distinct function in the cardiovascular system compared with adipose tissues in other depots which are not adjacent to the vascular tree. Growing and extensive studies have demonstrated that presence of normal PVAT is required to maintain the vasculature in a functional status. However, excessive accumulation of dysfunctional PVAT leads to vascular disorders, partially through alteration of its secretome which, in turn, affects vascular smooth muscle cells and endothelial cells. In this review, we highlight the cross talk between PVAT and vascular smooth muscle cells and its roles in vascular remodeling and blood pressure regulation.</jats:p>

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