Estradiol is a key candidate for treating Ankylosing Spondylolisthesis with Traditional Chinese Medicine.

Some Traditional Chinese Medicine (TCM) has shown anti-inflammatory and immunosuppressive effects on Ankylosing Spondylitis (AS) treatment. Wan Bikang (WBK) and Wan Biqing (WBQ) are two traditional empirical formulas for AS. However, the mechanism of their effects on AS is largely unknown. This study deciphered the underlying common molecular mechanisms of these TCM treatments for AS. The ultra-high-performance liquid chromatography-triple/time-of-flight mass spectrometry (UHPLC-Q-TOF-MS/MS) assays were employed to detect herbal ingredients. Target proteins of herbal ingredients were identified by ChEMBL Database. To infer the relationships between ingredients and AS-related proteins, network pharmacology was employed. Protein-protein interaction (PPI) network and core target analyses were carried out with tools Cytoscape and STRING. To find out the molecular basis and target of AS, molecular docking and an in vitro experiment were also conducted. It is found that estradiol may participate in the treatment of AS via the inhibition of inflammatory factors, and Estrogen Receptor 1 (ESR1) appears to be a key target. This research offers insight into the therapeutic mechanism of TCM formulas for AS and furthers our understanding of TCM pharmacology.

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Copyright © 2023. Published by Elsevier Ltd.

Déclaration de conflit d'intérêts

Declaration of competing interest We do not have any financial or personal relationships with other individuals or organizations that may inappropriately influence our work. There are no professional or personal interests of any kind in any product, services and/or companies that could be interpreted as influencing the content of the manuscript, or the review of the manuscript. We declared no conflict of interest.