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hIL-10基因转导抑制大鼠心肌细胞诱生炎症细胞因子

h I L 10 Gene Transfer on Secretion of Infla m matory Cytokines in Rat Cardio myocytes Induced

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【作者】 李锦华; 陈永雄; 张仕光; 廖晓星;

【Author】 Li Jinhua Chen Yongxiong Zhang Shiguang Lao Xiaoxing( 1 Nephrology Department 2 Emergency Department, First Affiliated Hospital, Sun Yat sen University of Medical Sciences, Guangzhou ,510080)

【机构】 中山医科大学附属第一医院肾内科!广州; 510080; 中山医科大学附属第一医院急诊科!广州;

【摘要】 目的:观察人白细胞介素10 (human Interleukin 10 ,h I L10) 基因转导对脂多糖( L P S) 诱导大鼠心肌细胞( C M C) 的炎症细胞因子的产生及其基因表达的影响。方法:通过重组逆转录病毒载体p L X( I L10) S N 将人 I L10 基因导入大鼠 C M C,应用 P C R, R T P C R 和 E L I S A:①检测 I L10 基因的整合和表达;②观察 I L10 基因转导对 L P S诱导的 C M C 肿瘤坏死因子α( T N Fα) 的m R N A 表达及白细胞介素1β( I L1β) 和 T N Fα的蛋白质的产生的影响。结果:外源性 I L10 基因已整合到靶细胞染色体 D N A 并有效地表达,并能抑制 L P S诱生 C M C 产生 I L1β, T N Fα。结论:逆转录病毒载体介导的人 I L10 基因转导能抑制 C M C 炎症效应中细胞因子的产生及其基因表达。

【Abstract】 Objective : To investigate the effects ofinterleukin 10( I L 10) gene transfer on secretion of inflam matorycytokines in rat cardiomyocytes( C M C) induced by L P Sin vitro . Method : Exogenous human I L 10(h I L 10) gene wastransferred into rat C M Cby retroviral vector p L X( I L 10) S N. The polymerase chain reaction ( P C R) ,the reverse tran scription polymerase chain reaction ( R T P C R) and E L I S A were used ①to detect integration and expression of h I L 10gene in rat C M C; ②to observe the effects of interleukin 10 gene transfer on secretion ofinflammatory cytokines in rat C M Ccellsinduced by L P Sin vitro . Result : Human I L 10 gene had been integrated intothe chromosal D N Aofthetrans fected rat C M Ccells and h I L 10 gene could be expressed effectively by the transfected rat C M Ccells . Exogenous I L 10gene transfer could inhibit secretion ofinflam matory cytokines I L 1βand T N F αin the transfected rat C M Cat m R N Aandprotein level induced by L P S. Conclusion : Exogenous interleukin 10 gene transfer can inhibit secretion of inflam matorycytokines in C M C.

  • 【文献出处】 中山医科大学学报 ,ACADEMIC JOURNAL OF SUN YAT-SEN UNIVERSITY OF MEDICAL SCIENCES , 编辑部邮箱 ,1999年03期
  • 【分类号】R392.11
  • 【被引频次】1
  • 【下载频次】30
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