STAT3信号通路参与由2.45 GHz电磁场诱导的小胶质细胞的激活。
摘要来源:
int J radiat Biol。 2010年1月; 86(1):27-36。 PMID: 20070213“> 20070213
abfcipt abfacter(s) Wang,Maoquan Li,Zhengping Yu 文章隶属关系:Yutong Hao
perim: 微胶质细胞激活在中枢神经系统的起始和进展中起着至关重要的作用。本工作的目的是研究2.45 GHz电磁场(EMF)暴露后的小胶质细胞的激活和转录3(STAT3)的信号透射剂和转录3(STAT3)的激活。L细胞暴露于2.45 GHz EMF,STAT3的蛋白表达,Janus酪氨酸激酶1和2(JAK1和JAK2),磷光 - (TRY705)STAT3和STAT3的DNA结合活性通过Western Blot分析和电动迁移率移动分析(EMSA)检查了STAT3的DNA结合活性。一氧化氮(NO)衍生物亚硝酸盐的水平在培养基中通过Griess反应确定。 The mRNA expression of tumour necrosis factor alpha (TNF-alpha) and inducible nitric oxide synthase (iNOS) were detected by reverse transcription and polymerase chain reaction (RT-PCR).
RESULTS: A significant increase of STAT3 DNA-binding ability was noted after exposure.与此相一致,EMF迅速诱导了STAT3的磷酸化和激活的JAK1和JAK2。此外,EMF暴露增加了与炎症相关基因,iNOS和TNF-alpha的转录水平,据报道它们在其启动子区域中包含统计结合元件。 P6,a JAK inhibitor, reduced induction of iNOS and TNF-alpha, nuclear factor binding activity, and activation of STAT3 in EMF-stimulated microglia.
CONCLUSION: These results provide evidence that EMF exposure can initiate the activation of microglia cells and STAT3 signalling involves in EMF-induced小胶质激活。