The Adipose Renin-Angiotensin System Modulates Systemic Markers of Insulin Sensitivity and Activates the Intrarenal Renin-Angiotensin System

  • Kim S
  • Soltani-Bejnood M
  • Quignard-Boulange A
  • et al.
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Abstract

Background . The adipose tissue renin-angiotensin system (RAS) contributes to regulation of fat mass and may also impact systemic functions such as blood pressure and metabolism. Methods and results . A panel of mouse models including mice lacking angiotensinogen, Agt ( Agt -KO), mice expressing Agt solely in adipose tissue (aP2- Agt/Agt -KO), and mice overexpressing Agt in adipose tissue (aP2- Agt ) was studied. Total body weight, epididymal fat pad weight, and circulating levels of leptin, insulin, and resistin were significantly decreased in Agt -KO mice, while plasma adiponectin levels were increased. aP2- Agt mice exhibited increased adiposity and plasma leptin and insulin levels compared to wild type (WT) controls. Angiotensinogen and type I Ang II receptor protein levels were also elevated in kidney of aP2- Agt mice. Conclusion . These findings demonstrate that alterations in adipose RAS activity significantly impact both local and systemic physiology in a way that may contribute to the detrimental health effects of obesity.

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APA

Kim, S., Soltani-Bejnood, M., Quignard-Boulange, A., Massiera, F., Teboul, M., Ailhaud, G., … Voy, B. H. (2006). The Adipose Renin-Angiotensin System Modulates Systemic Markers of Insulin Sensitivity and Activates the Intrarenal Renin-Angiotensin System. Journal of Biomedicine and Biotechnology, 2006, 1–6. https://doi.org/10.1155/jbb/2006/27012

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