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微小RNA与炎症性肠病及其相关机制的研究进展

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炎症性肠病(inflammatory bowel disease,IBD)是一种以慢性胃肠道炎症为特征的复杂多因素疾病,主要表现为肠道黏膜免疫细胞和促炎细胞因子聚集,为人类高发的一种免疫性消化系统疾病,可分为溃疡性结肠炎(ulcerative colitis,UC)和克罗恩病(Crohn's disease,CD)。IBD的发病机制错综复杂,大量研究表明遗传、环境、微生物、免疫、自噬等因素均可能参与IBD发病。微小RNA(microRNA,miRNA)在IBD的病理生理学中发挥着重要作用,研究证实miRNA在靶向调节肠道屏障内稳态、免疫反应和肠上皮自噬的作用机制方面具有重要作用,不仅被证实为IBD的重要诊断性生物标记物,还为IBD治疗策略展示新前景。本文主要阐述miRNA在UC和CD中的表达差异,总结miRNA与IBD发病中的肠道屏障、免疫稳态、细胞自噬机制的联系,以及miRNA参与IBD诊断与治疗过程的研究进展,为IBD疾病发展提供新见解。
Advances in microRNA and inflammatory bowel disease and their related mechanisms
Inflammatory bowel disease(IBD)is a complex and multifactorial disease characterized by chronic inflamma-tion of the gastrointestinal tract,mainly manifested by the accumulation of immune cells and pro-inflammatory cytokines in the intestinal mucosa.It is a kind of immune digestive system disease with high incidence in humans,and can be divided into ulcer-ative colitis(UC)and Crohn's disease(CD).The pathogenesis of IBD is complex,and numerous studies have shown that ge-netic,environmental,microbial,immune,autophagy and other factors may be involved in the pathogenesis of IBD.microR-NAs(miRNAs)play an important role in the pathophysiology of IBD.Studies have confirmed that miRNA plays an important role in the targeted regulation of intestinal barrier homeostasis,immune response and intestinal epithelial autophagy.MiRNA have not only been confirmed as important diagnostic biomarkers for IBD.It also shows new prospects for treatment strategies for IBD.This article mainly describes the differences in miRNA expression between UC and CD,summarizes the relationship between miRNA and intestinal barrier,immune homeostasis and autophagy mechanism in the pathogenesis of IBD,and the re-search progress of miRNA involved in the diagnosis and treatment of IBD,so as to provide new insights for the development of IBD.

Inflammatory bowel diseasePathogenesismicroRNA(miRNA)Intestinal barrierImmune homeostasisAutophagy

陈沐莉、田元元、孙晓宁

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海南医学院附属海南医院消化内科,海南 海口 570311

海南医学院,海南 海口 571199

炎症性肠病 发病机制 微小RNA(miRNA) 肠道屏障 免疫稳态 细胞自噬

海南省自然科学基金

821QN390

2024

海南医学院学报
海南医学院

海南医学院学报

CSTPCD北大核心
影响因子:1.068
ISSN:1007-1237
年,卷(期):2024.30(2)
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