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姜黄素对U87MG细胞体外生长及血管生成拟态的影响
作者:王晓开 秦海明 宋福林 
单位:沈阳军区总医院病理科 辽宁 沈阳 110016 
关键词:姜黄素 血管生成拟态现象 U87MG细胞 肿瘤 
分类号:R 730.264
出版年,卷(期):页码:2018,35(6):621-624
摘要:

摘要:目的 观察姜黄素对人恶性胶质瘤细胞体外生长及血管生成拟态的影响及姜黄素的干预作用。方法 培养细胞,普通显微镜下观察姜黄素对U87MG细胞血管生成拟态的影响,MTT法筛选姜黄素最佳浓度后将其分为4组,采用免疫细胞化学技术、WestenBlot技术检测相关蛋白的表达情况,PCR技术检测基因表达变化。结果 人恶性胶质母细胞瘤细胞体外培养时可发生血管生成拟态现象,姜黄素干预后血管生成拟态现象不明显,VE-cadherin/EphA2/PI3K/MMP-2细胞信号转导通路中各因子蛋白和mRNA的表达下降。结论 姜黄素可能通过影响VE-cadherin/EphA2/PI3K/MMP-2细胞信号转导通路中各因子干预血管生成拟态现象,从而达到抑制胶质母细胞瘤生长的作用。
关键词:姜黄素;血管生成拟态现象;U87MG细胞;肿瘤

Abstract:Objective To observe the effect of curcumin on growth and angiogenesis mimicry of human malignant glioblastoma cells in vitro and the intervention effect of curcumin. Methods The cells were cultured and the effect of curcumin on the angiogenesis mimicry of U87MG cells was observed under normal microscope. The optimal concentration of curcumin was screened by MTT method and divided into 4 groups. The expression of related proteins was detected by immunocytochemistry and WestenBlot, PCR technique to detect changes in gene expression. Results The angiogenesis mimicry could occur in human malignant glioblastoma cells in vitro. The angiogenic mimicry was not obvious after curcumin intervention. Each factor proteins in cell signal transduction pathways of VE-cadherin/EphA2/ PI3K/MMP-2 and the expression of mRNA decreased. Conclusion Curcumin may inhibit the growth of glioblastoma by affecting the angiogenesis mimicry in various factors in the signal transduction pathway of VE-cadherin/EphA2/PI3K/MMP-2.
Key Words:Curcumin; Angiogenesis mimicry phenomenon;U87MG cells; Tumor

基金项目:
作者简介:
参考文献:

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[8] 郑旭. 肺肉瘤样癌中血管生成拟态的形成及其与上皮间充质转化的关系[D]. 天津:天津医科大学,2013.
[9] Lu, Xin-Sui, Chun-Yan, et al. Contribution of the PI3K/MMPs/Ln-5 gamma 2 and EphA2/FAK/Paxillin; signaling pathways to tumor growth and vasculogenic mimicry of; gallbladder carcinomas[J]. International Journal of Oncology,2013,42(6):2103-2115.
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