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山东大学学报(医学版) ›› 2013, Vol. 51 ›› Issue (5): 85-88.

• 临床医学 • 上一篇    下一篇

肿瘤坏死因子α诱导蛋白8对胃癌细胞转移能力的影响

耿超1,潘英芳2,林森1   

  1. 1.山东大学第二医院消化内科, 济南 250013; 2.山东大学医学院免疫学研究所, 济南 250012
  • 收稿日期:2013-03-11 出版日期:2013-05-10 发布日期:2013-05-10
  • 通讯作者: 林森, E-mail:linsen816@126.com
  • 基金资助:

    山东省优秀中青年科学家奖励基金(BS2009SW049);山东大学自主创新基金(2012TS174)

Eeffect of tumor necrosis factor-α-induced protein 8 on metastasis of gastric cancer

GENG Chao1, PAN Ying-fang2, LIN Sen1   

  1. 1. Department of Gastroenterology, the Second Hospital of Shandong University, Jinan 250013, China;
    2. Institute of Immunology, School of Medicine, Shandong University, Jinan 250012, China
  • Received:2013-03-11 Online:2013-05-10 Published:2013-05-10

摘要:

目的   探讨肿瘤坏死因子α诱导蛋白8(TNFAIP8)在患者胃癌组织中的表达及其与临床病理特征的相关性,体外研究TNFAIP8对胃癌细胞株SGC7901转移能力的影响。方法   应用免疫组织化学染色SABC法检测30例胃癌及癌旁组织中TNFAIP8蛋白表达,分析其与临床病理特征相关性。体外培养人胃癌细胞株SGC7901,脂质体介导重组质粒pcDNA3.0-TIPE转染SGC7901,通过Transwell实验检测转染后胃癌细胞侵袭与迁移能力的差异。结果   癌旁组织中TNFAIP8的表达与胃癌组织具有明显差异(P<0.001),TNFAIP8蛋白的表达水平与性别、年龄、肿瘤大小无相关性(P>0.05); TNFAIP8蛋白表达水平与肿瘤浸润深度、淋巴结转移情况相关,差异有统计学意义(P<0.05)。转染pcDNA3.0-TIPE的SGC7901细胞较转染pcDNA3.0对照组细胞其迁移与侵袭能力具有明显差异(P<0.001)。结论   TNFAIP8在胃癌的发生发展、转移中可能发挥重要的作用,TNFAIP8有可能成为新的治疗靶点。

关键词: 肿瘤坏死因子α诱导蛋白8;胃癌;转移;临床病理

Abstract:

Objective   To investigate the expression of tumor necrosis factor-α-induced protein 8 (TNFAIP8) in human gastric cancer tissues and its relationship with clinical and pathological features. To study the influence of TNFAIP8 on migration and invasion ability of SGC7901 in vitro. Methods   TNFAIP8 protein expressions in 30 cases of gastric cancer and cancer adjacent tissues were detected and its correlation with clinical pathological features was analyzed by the immunohistochemical staining SABC method. The liposome mediated reorganization plasmid pcDNA3.0-TIPE was transferred into SGC7901 which were cultured in vitro. The differences in the ability of gastric cancer cell invasion and migration were studied through the Transwell assay after the transfection. Results   Immunohistochemical staining results showed the expression of TNFAIP8 was significantly higher in gastric cancer compared with the adjacent tissue(P<0.001). The expression of TNFAIP8 was associated with the tumor invasion depth and lymph node metastasis(P<0.05), but not related to gender, age and tumor size(P>0.05).  Transwell assay showed the migration and invasion ability significantly enhanced when compared with the control group, and the difference was statistically significant(P<0.001). Conclusion   TNFAIP8 may play an important role in gastric cancer occurrence, development and metastasis, which can provide a new target for the treatment of gastric cancer.

Key words: TNFAIP8; Gastric cancer; Metastasis; Clinical pathology

中图分类号: 

  • R735.2
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