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Propionate restores disturbed gut microbiota induced by methotrexate in Rheumatoid Arthritis: From clinic to experiments
Fan, Zhexin Yang, Bo Paul Ross, R. Stanton, Catherine Zhang, Feng Sun, Jian Zhao, Jianxin Zhang, Hao Chen, Wei
Fan, Zhexin
Yang, Bo
Paul Ross, R.
Stanton, Catherine
Zhang, Feng
Sun, Jian
Zhao, Jianxin
Zhang, Hao
Chen, Wei
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2021-09-30
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Zhexin Fan, Bo Yang, R. Paul Ross, Catherine Stanton, Feng Zhang, Jian Sun, Jianxin Zhao, Hao Zhang, Wei Chen, Propionate restores disturbed gut microbiota induced by methotrexate in Rheumatoid Arthritis: From clinic to experiments, Journal of King Saud University - Science, Volume 33, Issue 6, 2021, 101545, ISSN 1018-3647, https://doi.org/10.1016/j.jksus.2021.101545.
Abstract
ObjectiveGut toxicity of methotrexate restricts its long-term clinical application in patients with rheumatoid arthritis (RA). However, the disturbed gut microbiota especially beneficial bacteria induced by methotrexate remain unclear, and the way to alleviate the disturbances is limited. The aim of present study was to elucidate the effects of methotrexate on gut microbiota in RA patients and collagen-induced-arthritis (CIA) rats, and to explore a way targeted for restoring gut microbiota. MethodsThe gut microbiota including lactobacilli and bifidobacterial communities were analyzed by high-throughput sequencing of samples from RA patients and healthy controls (HCs), furthermore, propionate and butyrate were administrated to CIA rats to confirm the effects on gut microbiota. ResultsThe findings showed gut microbiota significantly altered, and bifidobacterial community was tolerant to methotrexate while lactobacilli community such as L. delbrueckii, L. manihotivorans and L. intestinalis species under-represented in RA samples. Propionate supplementation was significantly associated with the rebalance of gut microbiota especially lactobacilli species including L. acidophilus, L. intestinalis and L. amylovorus in CIA rats. ConclusionMethotrexate disturbed gut microbiota and lactobacilli community in RA patients, and propionate supplementation contributed to normalize lactobacilli community in CIA rats. These findings suggested that propionate may be a potential alleviator for gut microbiota in RA patients treated with methotrexate.