素2和未折叠的蛋白质反应重塑了炎症性肠病中的粘液屏障 (评论)
Zhiwei Yuan1, Zheng Xia1, Liyun Ling1
1Department of Gastroenterology, Songjiang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai 201600, P.R. China.
Molecular medicine reports
|October 31, 2025
概括
粘蛋白2 (MUC2) 功能障碍和未折叠蛋白响应 (UPR) 不平衡是炎症性肠病 (IBD) 的关键. 针对UPR信号传递和恢复MUC2功能,为IBD提供了新的治疗途径.
科学领域:
- 胃肠病学 胃肠病学
- 细胞生物学 细胞生物学
- 免疫学 免疫学 免疫学
背景情况:
- 素2 (MUC2) 对于肠粘液屏障完整性至关重要,对于预防炎症性肠病 (IBD) 至关重要.
- 错误折叠的MUC2前体会引起内细胞网膜 (ER) 的压力,并激活未折叠的蛋白质反应 (UPR),破坏屏障功能并促进IBD.
- 具有IRE1α/β等分支的UPR旨在恢复ER平衡,但在IBD中可能受到失调.
研究的目的:
- 审查MUC2功能障碍和UPR失衡在IBD病变发生中的关键作用.
- 突出针对IBD治疗的UPR信号通路的潜力.
- 探索特定的 IRE1β-AGR2 信号在调节 MUC2 诱导的 UPR 激活在杯状细胞.
主要方法:
- 文献审查侧重于MUC2,ER压力,UPR和IBD.
- 对参与MUC2处理和UPR激活的信号通路的分析.
- 在UPR和MUC2途径中讨论潜在的治疗点.
主要成果:
- MUC2功能障碍和UPR失衡是IBD发展和进展的核心因素.
- IRE1β-AGR2信号传递是杯状细胞中MUC2相关ER压力的关键调节机制.
- 功能失调的UPR加剧了与MUC2相关的屏障缺陷,导致慢性炎症.
结论:
- 恢复MUC2蛋白功能和调节UPR信号是IBD的有希望的治疗策略.
- 了解MUC2,ER压力和UPR之间的相互作用,为IBD病原发生提供了新的见解.
- 针对特定的UPR通路,如IRE1β-AGR2,可能为IBD提供有效的治疗方法.
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