Study of the mechanism underlying the anti-inflammatory effect of Miao medicine comprising raw and processed Radix Wikstroemia indica using the “sweat soaking method”

医学 药理学 关节炎 穿心莲 炎症 氧化苦参碱 PI3K/AKT/mTOR通路 中医药 内分泌学 内科学 信号转导 化学 生物化学 病理 替代医学
作者
Xueli Song,Guo Feng,Chenchen Ren,Wei Li,Wen Liu,Gang Liu,Ju Zhang,Lei Yan,Zhengyan He,Caiyao Han,Tingting Liu,Kexin Ma,Jinxin Hou
出处
期刊:Journal of Ethnopharmacology [Elsevier]
卷期号:324: 117770-117770
标识
DOI:10.1016/j.jep.2024.117770
摘要

To explore the differences in the anti-inflammatory efficacy and mechanisms of the Miao medicine, both raw and after processing, using the “sweat soaking method” of Radix Wikstroemia indica (RWI). The purpose of this study was to explore the differences in the anti-inflammatory efficacy and mechanism of action before and after the processing of the Miao medicine (RWI) using the “sweat soaking method.” Network pharmacology technology was used to construct the “drug-component target-pathway–disease” network, and the main anti-inflammatory pathways of RWI were identified. Rat models of collagen-induced arthritis were established. The changes in body weight, swelling rate of the foot pad and ankle joint, arthritis index, thymus index, spleen index, pathological changes of the ankle joint, and the content of inflammatory cytokines (IL-1β, IL-2, IL-6, IL-10, TNF-α, and NO) were used as indices to evaluate the effect of RWI on rats with collagen-induced arthritis before and after its processing. Plasma and urine samples were collected from the rats, and the potential biomarkers of, and metabolic pathways underlying the anti-inflammatory effects of RWI before and after processing were identified using 1H-Nuclear magnetic resonance metabolomics combined with a multivariate statistical analysis. Eleven key anti-inflammatory targets of IL6, IL-1β, TNF, ALB, AKT1, IFNG, INS, STAT3, EGFR, TP53, and SRC were identified by network pharmacology. The PI3K–Akt signaling pathway, steroid hormone biosynthesis, arginine biosynthesis, arginine and proline metabolism, tryptophan metabolism, and other pathways were mainly involved in these effects. Pharmacodynamic studies found that both raw and processed RWI products downregulated inflammatory factors in rats with collagen-induced arthritis and alleviated the pathological changes. A total of 41 potential pathways for the anti-inflammatory effects of raw RWI products and 36 potential pathways for the anti-inflammatory effects of processed RWI products were identified by plasma and urine metabolomics. The common pathways of network pharmacology and metabolomics were steroid hormone biosynthesis, arginine biosynthesis, arginine and proline metabolism, and tryptophan metabolism. The anti-inflammatory effect of RWI was mainly related to the regulation of steroid hormone biosynthesis, arginine biosynthesis, arginine and proline metabolism, and tryptophan metabolism. Finally, the “sweat soaking method” enhanced the anti-inflammatory effect of RWI.
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