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Université de Fribourg

Inhibition of p38mapk reduces adipose tissue inflammation in aging mediated by arginase-II

Huang, Ji ; Liu, Chang ; Ming, Xiu-Fen ; Yang, Zhihong

In: Pharmacology, 2020, vol. 105, no. 9–10, p. 491–504

Background: Adipose tissue inflammation occurs not only in obesity but also in aging and is mechanistically linked with age-associated diseases. Studies show that ablation of the l-arginine-metabolizing enzyme arginase-II (Arg-II) reduces adipose tissue inflammation and improves glucose tolerance in obesity. However, the role of Arg-II in aging adipose tissue inflammation is not clear....

Université de Fribourg

Genetic targeting of arginase-ii in mouse prevents renal oxidative stress and inflammation in diet-induced obesity

Huang, Ji ; Rajapakse, Angana ; Xiong, Yuyan ; Montani, Jean-Pierre ; Verrey, François ; Ming, Xiu-Fen ; Yang, Zhihong

In: Frontiers in Physiology, 2016, vol. 7, p. -

Obesity is associated with development and progression of chronic kidney disease (CKD). Recent evidence demonstrates that enhanced levels of the L- arginine:ureahydrolase, including the two isoenzymes arginase-I (Arg-I) and arginase- II (Arg-II) in vascular endothelial cells promote uncoupling of endothelial nitric oxide synthase (eNOS), leading to increased superoxide radical anion and...