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[具体药物名称]对实验性葡聚糖硫酸钠诱导的结肠炎小鼠模型的治疗作用

Therapeutic Effects of on Experimental DSS-Induced Colitis Mouse Model.

作者信息

Almo Manuela Maragno do, Sousa Isabel Garcia, Olinto Vitor Guimarães, Pinhate Sylvia Barbosa, Jivago José Luiz de Paula Rôlo, de Sousa Davi Emanuel Ribeiro, Castro Márcio Botelho de, Rubini Marciano Régis, Maranhão Andrea Queiroz, Brigido Marcelo Macedo

机构信息

Department of Cell Biology, Institute of Biological Sciences, University of Brasilia, Brasilia 70910-900, Brazil.

Molecular Pathology Graduation Program, Medicine Faculty, University of Brasilia, Brasilia 70910-900, Brazil.

出版信息

Microorganisms. 2023 Nov 17;11(11):2793. doi: 10.3390/microorganisms11112793.

Abstract

, a Gram-negative bacteria observed in some popular beverages, is considered safe and has been studied for its potential therapeutic benefits. In this study, we explored its effects on the inflammatory process, tissue integrity, differential gene expression, and microbiota composition in an experimental dextran sulfate sodium (DSS)-induced colitis model in mice. As a result, alleviated the symptoms caused by DSS administration, as indicated by reduced weight loss, disease activity index, a significant reduction in the colon weight/length ratio, and histopathological improvement. Also, could restore the mucosal barrier as well as increase the expression of and genes. An analysis of 16S rRNA sequences showed that alters gut microbiota, increasing abundance and decreasing . Furthermore, seems to be involved in potentiating a regulatory phenotype by inducing immunomodulatory genes like , , , and and reducing the relative mRNA expression of proinflammatory cytokines , , and . Our data suggest that could alleviate disease progression and be considered a possible probiotic adjuvant for pathologies of the bowel.

摘要

在一些流行饮料中观察到的一种革兰氏阴性菌被认为是安全的,并且已经对其潜在的治疗益处进行了研究。在本研究中,我们在实验性葡聚糖硫酸钠(DSS)诱导的小鼠结肠炎模型中探讨了其对炎症过程、组织完整性、差异基因表达和微生物群组成的影响。结果表明,该菌减轻了DSS给药引起的症状,表现为体重减轻、疾病活动指数降低、结肠重量/长度比显著降低以及组织病理学改善。此外,该菌可以恢复黏膜屏障,并增加某些基因的表达。16S rRNA序列分析表明,该菌改变肠道微生物群,增加某菌丰度并减少另一菌丰度。此外,该菌似乎通过诱导免疫调节基因(如某些基因)并降低促炎细胞因子(某些因子)的相对mRNA表达来促进调节表型。我们的数据表明,该菌可以缓解疾病进展,并被认为是肠道疾病可能的益生菌佐剂。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3add/10672878/de0030a7fe61/microorganisms-11-02793-g001.jpg

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