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  • Title: [Moderate Angiogenic Effect of Xuefu Zhuyu Capsule by Regulating EphB4/EphrinB2].
    Author: Hu YQ, Zhang JS, Lin F, Wang YZ, Gao D, Song J.
    Journal: Zhongguo Zhong Xi Yi Jie He Za Zhi; 2017 Feb; 37(2):209-214. PubMed ID: 30650275.
    Abstract:
    Objective To observe moderate angiogenic effect of Xuefu Zhuyu Capsule (XFZYC) on human microvascular endothelial cell line 1 ( HMEC-1) , and its regulation effect on expression of EphB4/EphrinB2. Methods The moderate angiogenic effect of XFZYC was clarified by detecting XFZYC containing serum on cell viability, cell cycle, migration, adhesion and in vitro angiogenesis. Its effects on expressions of EphB4/EphrinB2 were detected by Real-time quantitative PCR and Western blot. Results XFZYC containing serum (XFZYC-CS) had no effect on the cell viability or cell ratio in phase S endothelial cells. Cell migration was significantly improved by 1.25% XFZYC-CS after 24, 48, and 72 h of action 2. 50% XFZYC-CS inhibited cell migration at the primary 24 h, but it significantly promoted cell migration at 48 and 72 h afterwards. It showed just an opposite tendency to 5. 00% XFZYC-CS. Cellular adhesion number was significantly reduced by 1. 25% XFZYC-CS at 72 h. Cellular adhesion number was significant- ly increased by 2. 50% XFZYC-CS at 24 and 48 h, but inhibited at 72 h 5. 00% XFZYC-CS showed inhibition at 24 h, but turned to promotion, and disappeared afterwards. In vessel formation aspect, only 2.50% XFZYC-CS showed vessel formation promotion 5. 00% XFZYC-CS showed inhibition on vessel formation at 48 and 72 h. Results of Real-time quantitative PCR and Western blot in 2. 50% XFZYC-CS showed EphB4 expression was up-regulated at 12 h; EphB4 expression was down-regulated while EphrinB2 expression was up-regulated at 24 h. Conclusions Only 2. 50% XFZYC-CS at 48 h had promotion of migration, adhe- sion, and in vitro angiogenesis of HMEC-1 , which was the optimal condition for vessel growth. These re- sults suggested XFZYC promoted angiogenesis in certain conditional limitations. But it regulated the ex- pression of EphB4/EphrinB2, which might be one of important factors.
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