Bioinformatics and molecular docking reveal Cryptotanshinone as the active anti-inflammation component of Qu-Shi-Xie-Zhuo decoction by inhibiting S100A8/A9-NLRP3-IL-1β signaling.

IF 6.7 1区 医学 Q1 CHEMISTRY, MEDICINAL
Xiao-Zhong Liao, Rui-Xia Xie, Song-Yuan Zheng, Cui-Ling Fan, Meng-Yue Zuo, Shi-Xian Chen, Jun-Qing Zhu, Juan Li
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引用次数: 0

Abstract

Background: Gout is a common type of arthritis marked by monosodium urate (MSU) crystal deposition in joints, triggering an inflammatory response. Qu-Shi-Xie-Zhuo (QSXZ), a traditional Chinese medicine (TCM) formula, has been clinically used for the treatment of gouty arthritis (GA).

Purpose: The study sought to examine the impact of QSXZ on GA and to delve into the pharmacological mechanisms that underlie its effects.

Methods: The chemical constituents of QSXZ were analyzed through UPLC-MS. MSU-induced acute gouty arthritis (AGA) and subcutaneous (SC) air pouch models in mice were employed to evaluate the anti-inflammatory properties of QSXZ and its primary active compound, Cryptotanshinone (CTS). To investigate the therapeutic mechanisms of QSXZ, we used MS-based network pharmacology, transcriptomic analysis, molecular docking and multiscale bioassays.

Results: Treatment of QSXZ revealed a significant reduction of inflammatory cell infiltration and the expression of pro-inflammatory cytokines tumor necrosis factor-α (TNF-α) and interleukin -1β (IL-1β). Based on UPLC/MS/MS results, 49 components were considered the active ingredients of QSXZ. Network pharmacology analysis indicated that QSXZ regulates multiple inflammation-related pathways. Subsequent transcriptomic analysis showed that QSXZ regulates gene expression of S100A8 and S100A9. Our investigation observed an increased expression of S100A8 and S100A9 in monocytes derived from gout patients. Molecular docking and molecular dynamics simulation analysis revealed the binding pattern and interaction between QSXZ active compound CTS and S100A8/A9, and subsequent surface plasmon resonance (SPR) and cell thermal shift assay (CETSA) experiments verified the direct interaction between them. To investigate the mechanisms of action, we conducted RT-PCR, Western blotting, immunohistochemistry, flow cytometry, and measured the inflammatory response. Our findings highlight the pathogenic role of S100A8/A9 mediated TLR4-NLRP3 axis in gout and review outstanding therapeutic effects of QSXZ and its primary active compound CTS on MSU-induced experimental models.

Conclusions: In summary, this study substantiates the therapeutic potential of QSXZ and its primary active compound CTS, as promising alternative treatments for GA. Our findings provide valuable insight into the critical pharmacological mechanism of QSXZ in regulating inflammation, highlighting its potential therapeutic effects in GA management.

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来源期刊
Phytomedicine
Phytomedicine 医学-药学
CiteScore
10.30
自引率
5.10%
发文量
670
审稿时长
91 days
期刊介绍: Phytomedicine is a therapy-oriented journal that publishes innovative studies on the efficacy, safety, quality, and mechanisms of action of specified plant extracts, phytopharmaceuticals, and their isolated constituents. This includes clinical, pharmacological, pharmacokinetic, and toxicological studies of herbal medicinal products, preparations, and purified compounds with defined and consistent quality, ensuring reproducible pharmacological activity. Founded in 1994, Phytomedicine aims to focus and stimulate research in this field and establish internationally accepted scientific standards for pharmacological studies, proof of clinical efficacy, and safety of phytomedicines.
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