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Faecalibacterium prausnitzii upregulates regulatory T cells and anti-inflammatory cytokines in treating TNBS-induced colitis
Abstract
BACKGROUND AND AIMS: Faecalibacterium prausnitzii (F. prausnitzii) is a common anaerobic bacteria colonized in the human gut and inflammatory bowel disease (IBD) patients are usually lack of F. prausnitzii. The aims of this study were to evaluate the anti-inflammatory and immunomodulatory capacity of F. prausnitzii by comparing it with Bifidobacterium longum (B. longum) in both cellular and animal experiments. METHODS: Human peripheral blood mononuclear cells (PBMCs) and 2, 4, 6-trinitrobenzenesulphonic acid (TNBS)-induced colitis rat models were treated with F. prausnitzii, B. longum, F. prausnitzii supernatant or F. prausnitzii medium, respectively. Interleukin (IL)-10, TGF-β1 and IL-12p70 in human PBMCs culture supernatant and rat blood serum were detected. The frequency of CD25(+)Foxp3(+)Treg in human PBMCs, rat PBMCs and rat splenocytes were investigated. Besides, the T-bet, GATA-3, ROR-γt and Foxp3 mRNA in human PBMCs, histopathologic characteristics of the intestinal mucosal and weight loss in the rat models were examined. RESULTS: F. prausnitzii, B. longum and F. prausnitzii supernatant clearly facilitated the induction of IL-10 and TGF-β1, while induced relatively mild production of IL-12p70 in both cellular and animal models. The F. prausnitzii, B. longum and supernatant differed in their capacity to induce T-bet, GATA-3 and ROR-γt mRNA expression in human PBMCs (both bacterial strains inhibited the expression of ROR-γt while supernatant inhibited the T-bet and GATA-3). However, all of them induced the Foxp3 and Treg production and ameliorated the TNBS-induced colitis. In addition, F. prausnitzii supernatant exhibited the supreme anti-inflammatory capacity. CONCLUSIONS: F. prausnitzii and its unidentified metabolites in the supernatant are promising candidates in treating IBD, and further research remains necessary to elucidate the safety, efficacy, optimum and mechanism of this bacterium in the clinical practice.
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Mechanisms of action of probiotics: Recent advances
Ng, S. C., Hart, A. L., Kamm, M. A., Stagg, A. J., & Knight, S. C. (2009) · Inflammatory Bowel Diseases · doi:10.1002/ibd.20602 · Cited by 596
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ALLEN, J. M., MAILING, L. J., NIEMIRO, G. M., MOORE, R., COOK, M. D., WHITE, B. A., HOLSCHER, H. D., & WOODS, J. A. (2018) · Medicine & Science in Sports & Exercise · doi:10.1249/mss.0000000000001495 · Cited by 820
Khan, I., Ullah, N., Zha, L., Bai, Y., Khan, A., Zhao, T., Che, T., & Zhang, C. (2019) · Pathogens · doi:10.3390/pathogens8030126 · Cited by 771
Zhou, L., Zhang, M., Wang, Y., Dorfman, R. G., Liu, H., Yu, T., Chen, X., Tang, D., Xu, L., Yin, Y., et al. (2018) · Inflammatory Bowel Diseases · doi:10.1093/ibd/izy182 · Cited by 525
Self-citationMartín, R., Chain, F., Miquel, S., Lu, J., Gratadoux, J.-J., Sokol, H., Verdu, E. F., Bercik, P., Bermúdez-Humarán, L. G., & Langella, P. (2014) · Inflammatory Bowel Diseases · doi:10.1097/01.mib.0000440815.76627.64 · Cited by 284
Ganesan, K., Chung, S. K., Vanamala, J., & Xu, B. (2018) · International Journal of Molecular Sciences · doi:10.3390/ijms19123720 · Cited by 221
Metadata
- Authors
- Qiu, X., Zhang, M., Yang, X., Hong, N., & Yu, C.
- Venue
- Journal of Crohn's and Colitis
- Publisher
- Oxford University Press (OUP)
- Published
- 2013-12
- Volume
- 7
- Issue
- 11
- Pages
- e558-e568
- ISSN
- 1873-9946 (ISSN-L)
- OpenAlex
- W2102119566
- Cited by
- 286
- References
- 1
- FWCI
- 9.51
- Type
- journal article
- Language
- en
- Open access
- closed
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