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EFFECT OF CEFODIZIME ON CYTOKINE ACTIVITY AND THE EXPRESSION OF CYTOKINE mRNA
Author(s): YU Donghui, LIN Zhibin
Pages: 0
Year: 1998
Issue:
4
Journal: JOURNAL OF BEIJING MEDICAL UNIVERSITY
Keyword: 头孢地秦☆; 肿瘤坏死因子/分泌; 白细胞介素6/分泌; mRNA; 信使/代谢;
Abstract: 目的:探讨头孢地秦对正常及金黄色葡萄球菌感染的败血症小鼠腹腔巨噬细胞(PM)肿瘤坏死因子α(TNFα)与白细胞介素6(IL-6)分泌及其mRNA表达的影响.方法:采集小鼠PM,体外给药,分离细胞培养上清.生物检测法测定TNFα,ELISA法测定IL-6;RT-PCR方法检测mRNA的表达.结果:头孢地秦使正常小鼠PM培养上清中TNFα的活性降低,使金黄色葡萄球菌感染小鼠PM 48 h培养上清中TNFα活性升高.200 mg/L的头孢地秦对正常小鼠PM的TNFα mRNA表达有显著抑制作用,但对感染小鼠TNFα mRNA表达没有明显影响.头孢地秦抑制正常小鼠PM 48 h培养上清中IL-6的产生,明显增加金黄色葡萄球菌感染小鼠PM培养上清中的IL-6.头孢地秦对IL-6 mRNA表达的影响与细胞因子的改变一致.结论:头孢地秦对正常和感染状态下小鼠TNFα和IL-6产生的影响不同,其对mRNA表达的影响与细胞因子的检测结果一致.
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