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TIMP-3对内皮细胞增殖抑制作用的研究
引用本文:李生伟,甘霖,王一如,刘长安,龚建平,李钺,李友伟. TIMP-3对内皮细胞增殖抑制作用的研究[J]. 重庆医科大学学报, 2006, 31(1): 26-30,34
作者姓名:李生伟  甘霖  王一如  刘长安  龚建平  李钺  李友伟
作者单位:1. 重庆医科大学附属第二医院肝胆外科,重庆,400010
2. 重庆市肿瘤医院,肿瘤研究所,重庆,400030
3. 重庆医科大学检验系,重庆,400016
摘    要:目的:探讨TIMP-3对内皮细胞增殖的抑制作用及特点。方法:采用形态学观察、MTT法、[^3H]-TdR掺入法流式细胞仪分析等技术方法观测不同浓度TIMP-3作用下人脐静脉内皮细胞增殖活性的变化。结果:①不同浓度(10~100ng/ml)的TIMP-3处理HUVEC细胞不同时间(1~7天)后,生长均有显著抑制作用且呈现明显的剂量和时效依赖关系。②经TIMP-3处理后,HUVEC细胞增殖活性降低,主要表现为有丝分裂计数降低,细胞的生长抑制率及移行抑制率增加。③细胞生长减慢,TIMP-3能有效抑制G1、S期的细胞;抑制细胞从G2期进入M期;同时促进细胞的凋亡等。结论:TIMP-3具有抑制内皮细胞增殖、迁移、促进细胞凋亡,进而抑制血管生成的作用。

关 键 词:内皮细胞  细胞增殖  细胞凋亡
文章编号:0253-3626(2006)01-0026-05
收稿时间:2005-08-05
修稿时间:2005-08-05

Inhibitory effects of TIMP-3 on endothelial cell proliferation
LI Shengwei, et al. Inhibitory effects of TIMP-3 on endothelial cell proliferation[J]. Journal of Chongqing Medical University, 2006, 31(1): 26-30,34
Authors:LI Shengwei   et al
Affiliation:Department of Hepatobiliary Surgery, the Second Affiliated Hospital, Chongqing Medical University
Abstract:Objective: To investigate the inhibitory effect of TIMP-3 on endothelial cell(EC) proliferation.Methods: The inhibition of EC proliferation was analyzed by light microscopy,MTT,-TdR up-take,and flow cytometry et al.Results: A concentration-dependent and time-dependent proliferation inhibition and survival were demonstrated in the HUVEC incubated for 1~7days in the presence of TIMP-3.The proliferation inhibition was shown as the lessened cell growth,decreased counting of mitotic cells.TIMP-3 could also aggravate the increase of apoptotic cells and cell ratio in G2/M phase.Conclusion: TIMP-3 has significant inhibitory influence on EC proliferation,migration and can promote apoptosis of cells.
Keywords:TIMP-3
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