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Defective autophagy in vascular smooth muscle cells accelerates senescence and promotes neointima formation and atherogenesis.

Autophagy (2015-09-24)
Mandy Oj Grootaert, Paula A da Costa Martins, Nicole Bitsch, Isabel Pintelon, Guido Ry De Meyer, Wim Martinet, Dorien M Schrijvers
ABSTRACT

Autophagy is triggered in vascular smooth muscle cells (VSMCs) of diseased arterial vessels. However, the role of VSMC autophagy in cardiovascular disease is poorly understood. Therefore, we investigated the effect of defective autophagy on VSMC survival and phenotype and its significance in the development of postinjury neointima formation and atherosclerosis. Tissue-specific deletion of the essential autophagy gene Atg7 in murine VSMCs (atg7

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