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The relationship between IL-8 secretion from PBMC activited by rhC5a and PKC activity
Author(s): LUO Yizhou, SHI Yan, XU Hong, NI Chuanyuan
Pages: 20-
22
Year: 2002
Issue:
1
Journal: CHINESE JOURNAL OF IMMUNOLOGY
Keyword: 重组人C5a; 白细胞介素8; 蛋白激酶C; 佛波酯; 外周血单个核细胞;
Abstract: 目的:研究PKC在rhC5a诱导外周血单个核细胞(PBMC)产生IL-8中的作用.方法:将PBMC分别与rhC5a、 PMA、孵育24h,取上清用ELISA法测定IL-8.将PBMC分别与rhC5a、PMA孵育,按一定时间间隔收集细胞测定PKC活性.用Cheleythrine、 Calphostin C、 Dequalinium预处理PBMC,然后再以rhC5a诱导测定其PKC活性.结果:PBMC经rhC5a诱导后IL-8产生水平增加,同时PKC活性呈双峰型增高;PBMC经PMA诱导后不仅PKC活性增高,而且IL-8产生水平也增加;Cheleythrine、 Calphostin C、 Dequalinium能抑制rhC5a介导的PBMC PKC活性和IL-8产生水平增高.结论:PKC参与rhC5a诱导PBMC产生IL-8细胞内信号转导过程.
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