期刊文献+

B7-H1在肝癌中的表达及其对肝癌细胞增殖和凋亡的影响 被引量:4

下载PDF
导出
摘要 目的探讨B7-H1在人肝癌组织中的表达情况及其对肝癌Hep G2细胞增殖能力和凋亡水平的影响。方法采用组织化学染色方法观察肝癌组织和癌旁正常组织中B7-H1的表达情况。采用Lonza电转染的方法转染si-B7-H1-1和si-B7-H1-2进入肝癌Hep G2细胞,并通过RTPCR和Weatern印迹方法检测肝癌Hep G2细胞中B7-H1的表达情况。敲低肝癌Hep G2细胞中B7-H1的表达后,采用MTT方法检测肝癌Hep G2细胞的增殖情况,并采用Annexin V/7-AAD双染的方法检测肝癌Hep G2细胞的凋亡水平。结果与癌旁正常组织相比,肝癌组织中B7-H1的表达水平显著升高。采用Lonza电转染的方法转染si-B7-H1-1和si-B7-H1-2进入肝癌Hep G2细胞后,肝癌Hep G2细胞中-B7-H1的表达水平均显著降低。转染si-B7-H1-1和si-B7-H1-2敲低肝癌Hep G2细胞中B7-H1表达后,肝癌Hep G2细胞的增殖能力均显著降低,与对照组相比差异显著(P<0.01)。转染si-B7-H1-1和si-B7-H1-2敲低肝癌Hep G2细胞中B7-H1表达后,肝癌Hep G2细胞的凋亡均显著升高,与对照组相比差异显著(P<0.01)。结论肝癌组织中B7-H1的表达水平显著升高,且B7-H1可促进肝癌Hep G2细胞的增殖能力,并抑制肝癌Hep G2细胞的凋亡水平,提示肝癌组织中高表达的B7-H1与肝癌的发生和发展密切相关。
出处 《中国老年学杂志》 CAS CSCD 北大核心 2016年第8期1832-1833,共2页 Chinese Journal of Gerontology
基金 四川省卫计委项目(140030)
  • 相关文献

参考文献11

  • 1Yan Z,Zhuansun Y,Liu G,et al.Mesenchymal stem cells suppress T cells by inducing apoptosis and through PD-1/B7-H1 interactions[J].Immunol Lett,2014;162(1 Pt A):248-55.
  • 2Wang H,Qi F,Dai X,et al.Requirement of B7-H1 in mesenchymal stem cells for immune tolerance to cardiac allografts in combination therapy with rapamycin[J].Transpl Immunol,2014;31(2):65-74.
  • 3Jang IK,Lee JH,Yoon HH,et al.Suppression of T-cell proliferation by and B7-H1 expression on human liver-derived stem cells[J].Transplant Proc,2015;47(3):784-6.
  • 4Yang Y,Wu KE,Zhao E,et al.B7-H1 enhances proliferation ability of gastric cancer stem-like cells as a receptor[J].Oncol Lett,2015;9(4):1833-8.
  • 5Quan Y,Xu M,Cui P,et al.Grainyhead-like 2 promotes tumor growth and is associated with poor prognosis in colorectal cancer[J].J Cancer,2015;6(4):342-50.
  • 6Dong H,Zhu G,Tamada K,et al.B7-H1,a third member of the B7 family,co-stimulates T-cell proliferation and interleukin-10 secretion[J].Nat Med,1999;5(12):1365-9.
  • 7Eppihimer MJ,Gunn J,Freeman GJ,et al.Expression and regulation of the PD-L1 immunoinhibitory molecule on microvascular endothelial cells[J].Microcirculation,2002;9(2):133-45.
  • 8Shi SJ,Wang LJ,Wang GD,et al.B7-H1 expression is associated with poor prognosis in colorectal carcinoma and regulates the proliferation and invasion of HCT116 colorectal cancer cells[J].PLo S One,2013;8(10):e76012.
  • 9Hirano F,Kaneko K,Tamura H,et al.Blockade of B7-H1 and PD-1 by monoclonal antibodies potentiates cancer therapeutic immunity[J].Cancer Res,2005;65(3):1089-96.
  • 10Keir ME,Butte MJ,Freeman GJ,et al.PD-1 and its ligands in tolerance and immunity[J].Annu Rev Immunol,2008;26:677-704.

同被引文献29

引证文献4

二级引证文献16

相关作者

内容加载中请稍等...

相关机构

内容加载中请稍等...

相关主题

内容加载中请稍等...

浏览历史

内容加载中请稍等...
;
使用帮助 返回顶部