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Université de Fribourg

Arginase‐II induces vascular smooth muscle cell senescence and apoptosis through p66Shc and p53 independently of its l‐arginine ureahydrolase activity: implications for atherosclerotic plaque vulnerability

Xiong, Yuyan ; Yu, Yi ; Montani, Jean‐Pierre ; Yang, Zhihong ; Ming, Xiu‐Fen

In: Journal of the American Heart Association, 2013, vol. 2, no. 4, p. e000096

Background Vascular smooth muscle cell (VSMC) senescence and apoptosis are involved in atherosclerotic plaque vulnerability. Arginase‐II (Arg‐II) has been shown to promote vascular dysfunction and plaque vulnerability phenotypes in mice through uncoupling of endothelial nitric oxide synthase and activation of macrophage inflammation. The function of Arg‐II in VSMCs with respect to plaque...