Effects of Diabetic HDL on Endothelial Cell Function
Cardiovascular & Hematological Disorders-Drug Targets,
Dan He, Bing Pan, Hui Ren and Lemin ZhengAffiliation:
The Institute of Cardiovascular Sciences and Institute of Systems Biomedicine, School of Basic Medical Sciences, Peking University Health Science Center, Key Laboratory of Molecular Cardiovascular Sciences of Education Ministry, and Key Laboratory of Cardiovascular Molecular Biology and Regulatory Peptides of Health Ministry, Beijing 100191, China.
AbstractType 2 diabetes mellitus (T2DM) is accompanied by dysfunctional high-density lipoprotein (HDL) and this is characterized by alterations in its composition and structure compared with HDL from normal subjects (N-HDL). HDL from diabetic subjects (D-HDL) has a diminished endothelial protective capacity including reducted ability to exert antioxidative activity, stimulate endothelial cell (EC) production of nitric oxide (NO) and endothelium-dependent vasomotion, promote endothelial progenitor cell (EPC)-mediated endothelial repair. In addition, D-HDL promotes EC proliferation, migration and adhesion to the matrix. The present review provides an overview of these effects of diabetic HDL on EC function, as well as the possible changes of D-HDL structure and composition which may be responsible for the diminished endothelial protective capacity of D-HDL.
Diabetes mellitus, dysfunction, endothelial dysfunction, high-density lipoprotein.
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