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Review
. 2020 Mar;287(6):1076-1087.
doi: 10.1111/febs.15200. Epub 2020 Jan 20.

Angiotensin receptor subtypes regulate adipose tissue renewal and remodelling

Pyotr A Tyurin-Kuzmin  1 , Natalia I Kalinina  1 , Konstantin Y Kulebyakin  1 , Alexander V Balatskiy  1   2   3 , Veronika Y Sysoeva  1 , Vsevolod A Tkachuk  1   3
Affiliations
Free article
Review

Angiotensin receptor subtypes regulate adipose tissue renewal and remodelling

Pyotr A Tyurin-Kuzmin et al. FEBS J. 2020 Mar.
Free article

Abstract

Obesity is often associated with high systemic and local renin-angiotensin system (RAS) activity in adipose tissue. Adipose-derived mesenchymal stem/stromal cells (ADSCs), responsible for adipose tissue growth upon high-fat diet, express multiple angiotensin II receptor isoforms, including angiotensin II type 1 receptor (AT1 R), angiotensin II type 2 receptor (AT2 R), Mas and Mas-related G protein-coupled receptor D. Although AT1 R is expressed on most ADSCs, other angiotensin receptors are co-expressed on a small subpopulation of the cells, a phenomenon that results in a complex response pattern. Following AT1 R activation, the effects are transient due to rapid receptor internalisation. This short-lived effect can be prevented by heteromerisation with AT2 R, a particularly important strategy for the regulation of ADSC differentiation and secretory activity. Heteromeric AT2 R might be especially important for the generation of thermogenic beige adipocytes. This review summarises current data regarding the regulation of adipose tissue renewal and particularly ADSC adipogenic differentiation and secretory activity by RAS, with an emphasis on AT2 R and its effects. We reveal a new scheme that implicates AT2 R into the regulation of ADSC hormonal sensitivity.

Keywords: adipogenic differentiation; adipose tissue; angiotensin II; angiotensin receptor 1; angiotensin receptor 2; mesenchymal stem cells.

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