确定PI3K-AKT通路在Macrobrachium rosenbergii病原性感染期间的功能
Fanbin Zhan1, Shichun Zhou1, Fei Shi1
1Guangdong Provincial Water Environment and Aquatic Products Security Engineering Technology Research Center, Guangzhou Key Laboratory of Aquatic Animal Diseases and Waterfowl Breeding, College of Animal Sciences and Technology, Zhongkai University of Agriculture and Engineering, Guangzhou, China.
酸-3-激酶/蛋白激酶B (PI3K-Akt) 途径对抗菌免疫非常重要. 这项研究表明,PI3K-Akt信号调节免疫基因表达在细菌感染后的各种组织中不同.
科学领域:
- 细胞和分子免疫学 细胞和分子免疫学
- 信号通道的信号通道
- 具有天生的免疫力.
背景情况:
- 酸-3-酶/蛋白酶B (PI3K-Akt) 途径是参与细胞过程的关键信号级联.
- 它在抗菌免疫中的作用,特别是对不同的病原体和各种组织的反应,需要进一步阐明.
研究的目的:
- 研究PI3K-Akt信号通路在抗菌免疫中的功能.
- 为了分析PI3K,AKT和FoxO在对Vibrio parahaemolyticus和Staphylococcus aureus感染的反应中的基因表达.
主要方法:
- 对PI3K,AKT,FoxO和先天性免疫因子 (crustin,caspase 3,NF-κB) 的基因表达分析.
- 感染后免疫组织 (肠道,血细胞,肝,) 中基因表达的时间分析.
主要成果:
- PI3K,AKT和FoxO在肠道,血细胞和肝胰腺组织中高度表达.
- 细菌感染以组织特异的方式对PI3K-Akt路径组件进行差异调节.
- 无论是V. parahaemolyticus还是S. aureus的感染,都改变了crustin,caspase3和NF-κB的表达.
结论:
- PI3K-Akt通路在调节各种免疫组织下游免疫反应方面发挥着差异性作用.
- 这种途径参与调节细菌感染期间通过酶和NF-κB激活来调节亡和炎症反应.
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