天生的淋巴细胞调节肠道上皮细胞的糖化
Yoshiyuki Goto1, Takashi Obata2, Jun Kunisawa3
1Division of Mucosal Immunology, Department of Microbiology and Immunology, The Institute of Medical Science, The University of Tokyo, Tokyo 108-8639, Japan. Core Research for Evolutional Science and Technology, Japan Science and Technology Agency, Saitama 332-0012, Japan. Microbe Division/Japan Collection of Microorganisms, RIKEN BioResource Center, Tsukuba 305-0074, Japan.
3型先天性淋巴细胞 (ILC3) 调节肠道化,这是宿主-微生物群共生中的一个关键过程. 这一发现揭示了ILC3s如何影响肠道环境,并影响对细菌感染的易感性.
科学领域:
- 免疫学 免疫学 免疫学
- 微生物学 微生物学
- 葡萄糖生物学 葡萄糖生物学
背景情况:
- 由fucosyltransferase 2 (Fut2) 催化肠上皮细胞的化对于宿主-微生物群的共生至关重要.
- 皮质核糖作为一种饮食碳水化合物用于共生细菌,但调节其诱导的机制是未知的.
研究的目的:
- 调查调节诱导肠上皮质化诱导的分子和细胞机制.
- 确定参与控制上皮质糖化和其对肠道平衡的影响的免疫细胞.
主要方法:
- 研究是在小鼠模型中进行的.
- 研究了3型先天性淋巴细胞 (ILC3) 在调节Fut2表达和fucosylation中的作用.
- 利用了细胞因子中和 (素-22和淋巴毒素) 和细菌感染模型 (沙门氏菌typhimurium).
主要成果:
- 发现3型先天性淋巴细胞 (ILC3) 在小鼠中诱导肠上皮细胞Fut2表达和fucosylation.
- 这种诱导依赖于介质素-22 (以细菌依赖的方式) 和淋巴毒素 (以细菌独立的方式).
- 肠道化中断导致对沙门氏菌 Typhimurium 感染的易感性增加.
结论:
- 3型先天性淋巴细胞 (ILC3) 在塑造肠道微环境方面发挥着重要作用.
- ILC3s通过涉及白素-22和淋巴毒素的机制调节上皮质糖化.
- 皮质化对于维持宿主对肠道病原体的防御很重要,比如沙门氏菌. typhimurium.
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