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. 2019 Oct 25;18(6):4774–4780. doi: 10.3892/etm.2019.8132

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Copyright: © Chen et al.

This is an open access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made.

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Figure 4. — Schematic of the potential role and mechanisms of icariin in HG-induced EPC dysfunction. Icariin can inhibit the activation of the p38/CREB signaling pathway induced by HG in EPCs, and activate the Akt/eNOS/NO signaling pathway that is inhibited by HG in EPCs. It is proposed that via these mechanisms, icariin attenuates HG-induced EPC dysfunction. CREB, cAMP response element binding protein; eNOS, endothelial nitric oxide synthase; EPC, endothelial progenitor cell; HG, high glucose; NO, nitric oxide; p-, phosphorylated.