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Shi Wang, Jiandong Chen, Yuxuan Fu, Xiaohu Chen
The aim of this study was to determine the pro-angiogenic effects of Astragaloside IV (AS-IV) in vitro and reveal the potential mechanisms. A kind of human umbilical vein endothelial cells (HUVECs), named EA-hy926 cells, were treated with various dosages of AS-IV. We then utilized Cell Counting Kit-8 (CCK-8), real-time PCR and Western blot to detect EA-hy926 cells' proliferation and proangiogenic effect from AS-IV. Data showed that AS-IV promoted EA-hy926 cells proliferation, as assessed by CCK-8. The AS-IV was also associated with an increased tube formation and upregulation of vascular endothelial growth factor (VEGF) mRNA and protein in a dose-dependent manner...
June 2015: Journal of Nanoscience and Nanotechnology
Ping He, Melissa J Philbrick, Xiaojin An, Jiaping Wu, Angela F Messmer-Blust, Jian Li
Related Transcriptional Enhancer Factor-1 (RTEF-1) has been suggested to induce angiogenesis through regulating target genes. Whether RTEF-1 has a direct role in angiogenesis and what specific genes are involved in RTEF-1 driven angiogenisis have not been elucidated. We found that over-expressing RTEF-1 in Human dermal microvascular endothelial cells-1 (HMEC-1) significantly increased endothelial cell aggregation, growth and migration while the processes were inhibited by siRNA of RTEF-1. In addition, we observed that Endothelial differentiation gene-1 (Edg-1) expression was up-regulated by RTEF-1 at the transcriptional level...
2014: PloS One
Yanli Zhang, Lei Wang, Yajuan Chen, Chen Qing
CONTEXT: Salvicine is a pharmacologically active derivative from Chinese medicinal plant Salvia prionitis Hance (Labiatae). It has been reported that salvicine inactivates β1 integrin and inhibits integrin-mediated cell adhesion to fibronectin. Given the emerging correlation between integrins and angiogenesis, we propose that salvicine abolishes cell adhesion and subsequent metastasis by inhibiting angiogenisis. OBJECTIVE: The anti-angiogenesis activities of salvicine were investigated for the first time...
August 2013: Pharmaceutical Biology
Jie Zhang, Wangcui Luo, Zhengxiang Liu, Jingyang Lin, Zhongliang Cheng
This study examined the effect of integrin cytoplasmic domain-associated protein 1α (ICAP-1α) and its mutatants T38A and I138A on the adhesion, migration and tube formation of 2H-11 cells. rAAV-ICAP-1α, rAAV-T38A and rAAV-I138A were constructed. After infection, the expression of ICAP-1α and p-ERK1/2, p-c-Jun protein was measured by Western blotting. Adhesion ability was evaluated by using MTT. Cell migration was determined by using Boyden chamber method. Tube formation test was conducted on Matrigel. The results showed that in ICAP-1α, T38A and I138A groups, ICAP-1α protein expression was increased...
October 2010: Journal of Huazhong University of Science and Technology. Medical Sciences
Xin-hong Wang, Guo-ping Zhang, Hui-ming Jin, Si-feng Chen
BACKGROUND: After myocardial infarction, specific growth factors promote cardiac angiogenisis, leading to a therapeutic effect. Although this effect is mediated by specific receptors in the endothelium of the cardiac microvasculature, few studies have investigated dynamic changes in their expression. We explored this phenomenon in a murine model. METHODS: We observed the mRNA expression of receptors by specific angiogenesis gene microarray at day 3 and day 7 after infarction...
March 20, 2007: Chinese Medical Journal
Huan-Huan Chen, Hui-Jun Zhou, Xin Fang
Artemisinin derivatives artesunate (ART) and dihydroartemisinin are remarkable anti-malarial drugs with low toxicity to humans. In the present investigation, we find they also inhibited tumor cell growth and suppressed angiogenesis in vitro. The anti-cancer activity was demonstrated by inhibition (IC(50)) of four human cancer cell lines: cervical cancer Hela, uterus chorion cancer JAR, embryo transversal cancer RD and ovarian cancer HO-8910 cell lines growth by the MTT assay. IC(50) values ranged from 15.4 to 49...
September 2003: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
O Klotz, J K Park, U Pleyer, C Hartmann, H Baatz
BACKGROUND: The proliferation of vascular endothelial cells and ultimately angiogenesis is inhibited by blocking integrin-mediated cell-matrix interaction. To asses the therapeutic potential of alpha(v)-integrin antagonists LM609 and cRGDfV in neovascularization of the anterior segment, their inhibitory effect on angiogenesis was studied in two rat models for corneal neovascularization. METHODS: Corneal neovascularization was induced in Wistar rats (n=51) either by silver nitrate burns or intrastromal implantation of polymer pellets containing 400 ng of fibroblast growth factor (bFGF)...
January 2000: Graefe's Archive for Clinical and Experimental Ophthalmology
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