Clinical, pharmacology and in vivo studies of QingDai (indigo naturalis) promotes mucosal healing and symptom improvement in ulcerative colitis by regulating the AHR-Th17/Treg pathway.
Sizhen Gu, Yan Xue, Xiaowen Liu, Yini Tang, Dong Wang, Dongmei Wu, Mingrong Yao, Zehua Xia, Sen Yang, Gan Cai, Shigui Xue, Danbo Dou
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引用次数: 0
Abstract
Qingdai (QD), derived from various plant sources, is commonly used in traditional Chinese medicine for ulcerative colitis (UC) treatment. However, the clinical efficacy and mechanisms of orally administered QD remain unclear. This study aims to evaluate QD's efficacy in UC treatment and uncover its active components and mechanisms. A randomized controlled trial compared QD to Adisa, followed by UPLC-Q-TOF/MS and network pharmacology analyses to identify QD's core components and targets. In vivo experiments on a UC mouse model explored QD's impact on the AHR-Th17/Treg pathway using PCR, WB, ELISA, and flow cytometry. Results showed QD's efficacy in UC treatment, with mucosal healing and remission comparable to Adisa. UPLC-Q-TOF/MS identified 16 core components in mouse colon tissue, with network pharmacology revealing 67 targets, potentially involving the IL-17 signaling pathway and Th17 cell differentiation. QD and its components up-regulated AHR, CYP1A1, and Foxp3, while down-regulating RORγt. Additionally, QD modulated pro-inflammatory (IL-6, IL-17 A) and anti-inflammatory (IL-10, TGF-β1) factors, and Treg/Th17 cell ratios in LPMC. Oral QD administration effectively promoted mucosal healing and improved UC symptoms, potentially through AHR-Th17/Treg pathway regulation.
期刊介绍：
Journal of Inflammation welcomes research submissions on all aspects of inflammation.
The five classical symptoms of inflammation, namely redness (rubor), swelling (tumour), heat (calor), pain (dolor) and loss of function (functio laesa), are only part of the story. The term inflammation is taken to include the full range of underlying cellular and molecular mechanisms involved, not only in the production of the inflammatory responses but, more importantly in clinical terms, in the healing process as well. Thus the journal covers molecular, cellular, animal and clinical studies, and related aspects of pharmacology, such as anti-inflammatory drug development, trials and therapeutic developments. It also considers publication of negative findings.
Journal of Inflammation aims to become the leading online journal on inflammation and, as online journals replace printed ones over the next decade, the main open access inflammation journal. Open access guarantees a larger audience, and thus impact, than any restricted access equivalent, and increasingly so, as the escalating costs of printed journals puts them outside University budgets. The unrestricted access to research findings in inflammation aids in promoting dynamic and productive dialogue between industrial and academic members of the inflammation research community, which plays such an important part in the development of future generations of anti-inflammatory therapies.
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