Mechanism of Yishen Qubi Tongluo Formula (益肾祛痹通络方) in the Treatment of Rheumatoid Arthritis:Based on Network Pharmacology,Molecular Docking and Experimental Verification
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Mechanism of Yishen Qubi Tongluo Formula (益肾祛痹通络方) in the Treatment of Rheumatoid Arthritis:Based on Network Pharmacology,Molecular Docking and Experimental Verification
增强出版
Journal of Traditional Chinese MedicineVol. 67, Issue 5, Pages: 557-566(2026)
XU Liuping,YANG Canyu,LU Ying,et al.Mechanism of Yishen Qubi Tongluo Formula (益肾祛痹通络方) in the Treatment of Rheumatoid Arthritis:Based on Network Pharmacology,Molecular Docking and Experimental Verification[J].Journal of Traditional Chinese Medicine,2026,67(05):557-566.
XU Liuping,YANG Canyu,LU Ying,et al.Mechanism of Yishen Qubi Tongluo Formula (益肾祛痹通络方) in the Treatment of Rheumatoid Arthritis:Based on Network Pharmacology,Molecular Docking and Experimental Verification[J].Journal of Traditional Chinese Medicine,2026,67(05):557-566.DOI: 10.13288/j.11-2166/r.2026.05.014.
Mechanism of Yishen Qubi Tongluo Formula (益肾祛痹通络方) in the Treatment of Rheumatoid Arthritis:Based on Network Pharmacology,Molecular Docking and Experimental Verification增强出版
(益肾祛痹通络方, YQTF) in the treatment of rheumatoid arthritis(RA).
Methods
2
Network pharmacology was employed to retrieve and screen the active components and potential targets of YQTF as well as RA-related targets using databases including TCMSP, BATMAN, ETCM and GEO. The intersection of targets related to active components and RA-related targets was identified, and a protein-protein interaction (PPI) network was constructed. Gene Ontology (GO) functional enrichment analysis and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway enrichment analysis were performed, and a drug-active component-common target network of YQTF in
the treatment of RA was established. The core components of YQTF were molecularly docked with key targets. Human rheumatoid arthritis synovial fibroblast cell line MH7A was divided into blank group, model group, methotrexate group and YQTF group. The blank group was cultured with 10% fetal bovine serum, while the other three groups were stimulated with 10 μg/L of recombinant human tumor necrosis factor-α (TNF-α) for 24 h to establish the RA cell model. On this basis, the methotrexate group was treated with methotrexate suspension at a concentration of 20 μmol/L, and the YQTF group was treated with 10% YQTF-medicated serum. After 48 h of intervention, the levels of TNF-α and interleukin-17A(IL-17A)contents in cell supernatants were detected by enzyme-linked immunosorbent assay (ELISA), and mRNA expressions of phosphatidylinositol 3-kinase(
PI3K
), protein kinase B(
AKT
) and mammalian target of rapamycin(
mTOR
) were detected by real-time quantitative polymerase chain reaction (RT-qPCR).
Results
2
Network pharmacological analysis identified 209 active components and 583 potential target genes of YQTF, as well as 818 RA-related targets. A total of 29 common targets were obtained from the intersection of drug-related targets and RA-related targets. Quercetin, β-sitosterol, kaempferol, stigmasterol and luteolin were the core active components of YQTF for the treatment of RA, while matrix metalloproteinase-9 (MMP9), prostaglandin-endoperoxide synthase 2 (PTGS2), Toll-like receptor 4 (TLR4), tumor protein p53 (TP53) and transcription factor AP-1 subunit JUN were the key targets. The GO and KEGG pathway enrichment analysis showed that the involved biological processes and pathways were mainly associated with antioxidant responses, PI3K-AKT signaling pathway and Toll-like receptor (TLR) signaling pathway. Molecular docking results showed that MMP9 and PTGS2 exhibited high binding affinities with quercetin, β-sitosterol, kaempferol, stigmasterol
and luteolin; TLR4 exhibited high binding activities with β-sitosterol, stigmasterol and luteolin; and TP53 showed high binding affinity with luteolin. The results of cell experiments showed that compared with the control group, the contents of TNF-α and IL-17A as well as the mRNA expressions of
AKT
and
mTOR
in the model group significantly increased (
P
<0.05 or
P
<0.01). Compared with the model group, all the above indicators significantly decreased in the YQTF group, while the contents of TNF-α and the mRNA expression of
AKT
significantly decreased in the methotrexate group (
P
<0.05 or
P
<0.01).
Conclusion
2
The mechanism of YQTF in the treatment of RA may be associated with reducing inflammatory cytokine secretion and inhibiting the activation of the PI3K-AKT-mTOR signaling pathway.
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