先进的氧化蛋白产品诱导帕内斯细胞缺陷通过内细胞网膜应激在克罗恩氏病
Jie Shi1,2,3, Weidong Wang1, Shibo Sun4
1Guangdong Provincial Key Laboratory of Gastroenterology, Department of Gastroenterology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, China.
iScience
|August 4, 2023
概括
先进的氧化蛋白产品 (AOPP) 通过诱导内质网膜应激,有助于克罗恩病中的帕内斯细胞缺陷. 抑制这种压力可能为管理这种炎症性肠病提供新的治疗策略.
科学领域:
- 胃肠病学 胃肠病学
- 免疫学 免疫学 免疫学
- 细胞生物学 细胞生物学
背景情况:
- 帕内特细胞 (PC) 对于肠道天生的免疫力至关重要.
- 帕内斯细胞的缺陷与克罗恩病 (CD) 病原发生有关.
研究的目的:
- 研究高级氧化蛋白产品 (AOPP) 对克罗恩病中帕内斯细胞功能障碍的影响.
- 为了阐明AOPP诱导的帕内斯细胞缺陷背后的机制.
主要方法:
- 对活性CD组织和AOPP挑战的C57BL/6小鼠模型的分析.
- 评估AOPP积累,溶酶表达和ER压力标志物的评估.
- 在体内和体外评估AOPP对帕内斯细胞的影响.
- 用ER应激抑制剂TUDCA进行治疗.
主要成果:
- AOPP积聚在活跃的CD组织中,与酶负相关,与ER压力标志物正相关.
- AOPP通过过度的ER压力,线粒体功能障碍和线粒体相关的ER膜形成诱导帕内斯细胞缺陷.
- TUDCA的使用缓解了AOPP诱导的帕内斯细胞缺陷.
结论:
- AOPP在与克罗恩病相关的帕内斯细胞缺陷中起着致病作用.
- 针对ER压力为CD管理提供了潜在的治疗途径.
关键词:
细胞生物学 细胞生物学相关概念视频
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