斯基桑德林A增强了病原体的耐药性,通过准一个保存的p38 MAPK通路
Yi Xiao1, Hanlin Zhou1, Yingwen Cui1
1Guizhou Provincial College-based Key Lab for Tumor Prevention and Treatment with Distinctive Medicines, Zunyi Medical University, Zunyi, Guizhou 563000, China; Institute of Life Sciences, Zunyi Medical University, Zunyi, Guizhou 563000, China; College of Basic Medicine, Zunyi Medical University, Zunyi, Guizhou 563000, China.
斯基桑德林A通过激活PMK-1/p38 MAPK通路来增强对细菌感染的天生的免疫力. 这种保存的机制提高了虫和哺乳动物的抵抗力,这表明传染病的治疗潜力.
科学领域:
- 免疫学 免疫学 免疫学
- 分子生物学分子生物学
- 药理学 药理学是指药理学的学科.
背景情况:
- 斯基桑德林A (SA) 是一种来自Fructus schisandrae chinensis的基,已经证明了各种健康益处.
- 抗胰岛素对天生的免疫力及其潜在的分子机制的影响尚不清楚.
研究的目的:
- 研究SA对先天免疫反应及其分子通路的影响.
- 探索SA在打击传染病方面的治疗潜力.
主要方法:
- 在Caenorhabditis elegans中检查保存的免疫通路.
- 评估对格拉姆阴性 (Pseudomonas aeruginosa,Salmonella enterica) 和格拉姆阳性 (Listeria monocytogenes) 病原体的耐药性.
- 在C. elegans和小鼠中测量抗菌基因表达和PMK-1/p38 MAPK通路激活.
主要成果:
- 通过增加宿主耐受性,SA增强了对细菌感染的抵抗力,而不是通过减少细菌负载.
- SA激活了PMK-1/p38 MAPK通路,导致抗菌基因的表达增加.
- 在小鼠中,SA治疗改善了对Pseudomonas aeruginosa PA14感染的耐药性,并增加了活性PMK-1水平.
结论:
- 斯基桑德林A通过保护的PMK-1/p38 MAPK通路促进先天免疫力,从无脊椎动物到哺乳动物.
- 这项研究阐明了SA的免疫增强特性的一种新机制,突出了它在治疗传染病方面的潜力.
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