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丝裂原活化蛋白激酶在肿瘤坏死因子α诱导滋养层细胞MMP-9基因表达中的作用 被引量:2

The effects of mitogen-activated protein kinase on the expression of MMP-9 induced by tumor necrosis factor α in trophoblastic cells
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摘要 目的探讨早孕滋养层细胞有节制地侵入机制,研究肿瘤坏死因子α(TNFα)诱导滋养层细胞基质金属蛋白酶9(MMP9)基因表达的调控机制。方法2004年南方医科大学南方医院将10-4g/LTNFα分别处理滋养层细胞0、5、10、20、30min后,应用细胞ELISA法测定滋养层细胞中蛋白激酶的活性变化;预先给予丝裂原活化蛋白激酶(MAPK)的特异性抑制剂处理滋养层细胞30min,然后给予10-4g/LTNFα处理滋养层细胞24h,应用反转录聚合酶链反应(RTPCR)检测滋养层细胞MMP9基因表达的变化。结果发现10-4g/LTNFα均能迅速激活滋养层细胞的细胞外信号调节蛋白激酶(ERK)、cjun氨基末端激酶(JNK)、p38MAPK激酶活性。TNFα刺激滋养层细胞引起MMP9mRNA表达显著增加,其能被ERK或p38MAPK的特异性抑制剂所抑制。结论ERK和p38MAPK可能是TNFα诱导滋养层细胞MMP9基因表达增加的重要调节物质。
出处 《中国实用妇科与产科杂志》 CAS CSCD 北大核心 2005年第4期220-222,共3页 Chinese Journal of Practical Gynecology and Obstetrics
基金 "973国家重点基础研究发展规划"资助项目(G1999055903)
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参考文献7

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同被引文献20

  • 1魏微,张微微,李远征.大鼠脑缺血再灌注后肿瘤坏死因子-α及基质金属蛋白酶-9的表达[J].中华老年心脑血管病杂志,2004,6(6):406-408. 被引量:6
  • 2朱军华,陶凯雄,王国斌.TNF-α对肝癌细胞VEGF和MMP-9表达的影响[J].中国普外基础与临床杂志,2005,12(4):384-389. 被引量:15
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  • 10Stuelten CH, DaCosta Byfield S, Arany PR, et al. Breast cancer cells induce stromal fibroblasts to express MMP-9 via secretion of TNF-alpha and TGF-beta. J Cell Sci,2005 ;18:2143 -2153.

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