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Wu-tou decoction (WTD) and Baihu-Guizhi decoction (BHGZD) as described in the Synopsis of the Golden Chamber have been used extensively for the treatment of rheumatoid arthritis (RA) with apparent therapeutic efficacy. However, characteristics of pharmacological effects and their underlying molecular mechanisms have not been fully elucidated due to a lack of appropriate scientific methodology. In the current study, we performed an integrative approach applying gene expression profiling and network analysis to examine the therapeutic effects and molecular mechanisms of WTD and BHGZD based on adjuvant-induced arthritis (AIA) animal model. Results demonstrated that both WTD and BHGZD could relieve the severity of arthritis in AIA rats, while the significant differences were observed in the changes of the withdrawal response scores and latency time of AIA rats treated with WTD and BHGZD. Mechanistically, our network pharmacology-based investigation demonstrated that the major candidate targets of WTD and BHGZD were significantly associated with several inflammation-immune regulatory pathways, such as Toll-like receptor signaling pathway, T cell receptor signaling pathway, cytokine-cytokine receptor interaction, chemokine signaling pathway, B cell receptor signaling pathway, antigen processing and presentation, Fc epsilon RI signaling pathway, natural killer cell mediated cytotoxicity, as well as leukocyte transendothelial migration. In particular, the major candidate targets of WTD were also involved in the regulation of hormone and energy metabolism, which might be imbalanced during RA progression. In conclusion, the current study revealed differences and similarities regarding the effects and network regulatory mechanisms of WTD and BHGZD. These findings may present a scientific basis for elucidation of mechanisms by which WTD and BHGZD alleviates RA.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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