adp核糖基化:在单核细胞中脂多糖诱导的两种胞质蛋白(p36/38)磷酸化中的作用。

S Hauschildt, A J Ulmer, H D Flad, T Heyden, H Heine
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引用次数: 0

摘要

人单核细胞通过释放促炎细胞因子如tnf - α、IL-1和IL-6来响应LPS。在这里,我们发现adp核糖基化的抑制剂,即烟酰胺和间碘苄基胍,在蛋白质和mRNA水平上阻止tnf - α和IL-6的产生。抑制剂也影响lps诱导的胞质蛋白磷酸化模式。它们一致地导致两种表观分子质量分别为36 kDa和38 kDa的蛋白磷酸化状态的变化。这些变化与时间和剂量有关。这些数据表明,导致p36/38磷酸化改变的条件可能与启动和调节tnf - α和IL-6产生的条件相关。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
ADP-ribosylation: role in LPS-induced phosphorylation of two cytosolic proteins (p36/38) in monocytes.

Human monocytes respond to LPS by releasing proinflammatory cytokines such as TNF-alpha, IL-1 and IL-6. Here we show that inhibitors of ADP-ribosylation namely nicotinamide and meta-iodobenzylguanidine prevent production of TNF-alpha and IL-6 at the protein and mRNA level. The inhibitors also influence the LPS-induced phosphorylation pattern of cytosolic proteins. They consistently lead to changes of the phosphorylation state of two proteins with an apparent molecular mass of 36 kDa and 38 kDa. The changes are both time and dose dependent. The data suggest that the conditions leading to altered phosphorylation of p36/38 may correlate with conditions initiating and regulating TNF-alpha and IL-6 production.

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