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IFN-γ和TNF-α诱导Fas表达在β胰岛细胞杀伤中的作用 被引量:4

Human β-cells destruction correlates with Fas expression on β-cells induced by IFN-γ and TNF-α
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摘要 目的 :研究人 β胰岛细胞Fas的表达及细胞因子诱导Fas表达量的增加在 β胰岛细胞杀伤中的作用。 方法 :用FACS检测IFN γ和TNF α作用于人β胰岛细胞株 (NIT)前后Fas表达水平及sFasL和抗Fas介导细胞凋亡的变化。 结果 :NIT表面无Fas表达 ,IFN γ和TNF α可促进其Fas表达增加 ,以及对sFasL和anti Fas介导细胞毒敏感性增加。结论 :细胞因子诱导 β胰岛细胞表面Fas的表达可能在I型糖尿病 (IDDM) Objective:To study the effect of increased expression of Fas on the killing of β cells Methods:The level of Fas expression and apoptosis of human β cells strain (NIT) were detected by FACS Results:There is no Fas expression on NIT But Fas expression can detected by culturing NIT with IFN γ and/or TNF α The apoptosis of NIT induced by sFasL and anti Fas correlates with the level of Fas expression Conclusion:Fas expression induced by cytokine may represent a factor for the initiation of β cells destruction
出处 《中国免疫学杂志》 CAS CSCD 北大核心 2000年第12期666-668,共3页 Chinese Journal of Immunology
基金 国家自然科学基金资助项目 !(NO 39870 712 )
关键词 Fas Ⅰ型糖尿病 β胰岛细胞 IFNΓ INFα Fas Cytokine Apoptosis IDDT
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参考文献2

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同被引文献14

  • 1余华荣,张能,董毅龙,周琴,周岐新.IL-1β、TNF-α和IFN-γ引起的大鼠胰岛细胞凋亡及牛磺酸的影响[J].中国病理生理杂志,2007,23(6):1172-1175. 被引量:6
  • 2Sabapathy K,Curr Biol,1999年,9卷,3期,116页
  • 3Lally FJ,Ratcliff H,Bone AJ.Apoptosis and disease progression in the spontaneously diabetic BB/S rat[J].Diabetologia 2001; 44:320-324.
  • 4Kurrer M O,Pakala S V,Hanson H L,et al.βcell apoptosis in T cell-mediated autoimmune diabetes[J].Proc Natl Acad Sci USA 1997;94:213 -218.
  • 5Loweth AC,Willims GT,James RFL,et al.Human islets oflangerhans express fas ligand and undergo apoptosis in response to interleukin-1β and Fas ligation[J].diabetes 1998;47(5):727-732.
  • 6Stassi G,Maria DE,Tracco R,et al.Nitric Oxide primes pancreatic βcells for Fas mediated destruction in insulin-dependent diabetes mellitus[J].J Exp Med 1997; 186:1193-1200.
  • 7Kurrer M O, Pakala S V, Hanson H L, et al. T cell apoptosis in T cell - mediated autoimmune diabetes [J]. Proe Natl Acad Sei USA 1997,94:213 - 218.
  • 8Loweth AC, Willims GT, James RFL, et al. Human islets oflangerhans express fas ligand and tmdergo apoptosis in response to interleukin- 1β and Fas ligation[J], diabetes 1998;47(5) :727 - 732.
  • 9Stassi G, Maria DE, Tracco R, et al. Nitric Oxide primes pancreatic βcells for Fas mediated destruction in insulin - dependent diabetes meUitus[J] .J Exp Med 1997;186:1193-1200.
  • 10LaUy FJ, Ratcliff H, Bone AJ. Apoptosis and disease progression in the spontaneously diabetic BB/S rat [J]. Diabetotogia 2001 ; 44 : 320 - 324.

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