期刊
INTERNATIONAL JOURNAL OF BIOCHEMISTRY & CELL BIOLOGY
卷 41, 期 12, 页码 2368-2371出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.biocel.2009.07.011
关键词
Vascular endothelial growth factor-A; Diabetic retinopathy; Angiogenesis; Anti-VEGF therapy
资金
- University of Sydney-China Scholarship Council
Vascular endothelial growth factor-A (VEGF-A), first described as vascular permeability factor, is a critical molecule in the pathogenesis of diabetic retinopathy at several levels. Previous studies have outlined the importance of VEGF-A in mediating vascular pathology in both experimental models and clinical diabetic retinopathy, which are characterized by retinal vascular leakage, preretinal neovascularisation and neuronal degeneration. Paradoxically, recent reports have emphasized the potential neurotrophic effects of VEGF-A on the quiescent vasculature, as well as its direct and indirect protective effects on retinal neurons. VEGF-A has also been identified as an important signalling regulator in the normal central nervous system. Consequently, anti-VEGF therapy for diabetic retinopathy has become a controversal issue. This review outlines recently developed concepts relating to the role of VEGF-A in the pathogenesis of diabetic retinopathy, with particular emphasis on its implications for clinical practice. (C) 2009 Elsevier Ltd. All rights reserved.
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