CHEN Pu, ZHOU Jun, RUAN An-min, et al. Paeoniflorin, the Main Monomer Component of Paeonia lactiflora, Exhibits Anti-inflammatory Properties in Osteoarthritis Synovial Inflammation. [J]. Chinese Journal of Integrative Medicine 30(5):433-442(2024)
DOI:
CHEN Pu, ZHOU Jun, RUAN An-min, et al. Paeoniflorin, the Main Monomer Component of Paeonia lactiflora, Exhibits Anti-inflammatory Properties in Osteoarthritis Synovial Inflammation. [J]. Chinese Journal of Integrative Medicine 30(5):433-442(2024) DOI: 10.1007/s11655-023-3653-9.
Paeoniflorin, the Main Monomer Component of Paeonia lactiflora, Exhibits Anti-inflammatory Properties in Osteoarthritis Synovial Inflammation
To explore the mechanism of paeoniflorin (PF) on osteoarthritis (OA) synovial inflammation from network pharmacology to experimental pharmacology.
Methods:
2
Targets of OA were constructed by detecting the database of network database platforms (Therapeutic Target database
DrugBank and GeneCards)
and the targets of PF were constructed by PubChem and Herbal Ingredients' Targets database. Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) analysis of these co-targeted genes were conducted via Database for Annotation
Visualization
and Integrated Discovery (DAVID) database
and protein-protein interaction (PPI) networks were conducted via the search tool for the retrieval of interacting genes (STRING) database. Cell counting kit-8 (CCK-8) assay was performed to assess the potential toxicity of PF on human OA fibroblast-like synoviocytes (FLS)
enzyme-linked immunosorbent assay (ELISA) and Western blot were used to verify the potential mechanism of PF in synovial inflammation.
Results:
2
Twenty-six co-targeted genes were identified. GO enrichment results showed that these co-targeted genes were most likely localized in the cytoplasm
and the biological processes mainly involved 'cellular response to hypoxia' 'lipopolysaccharide (LPS)-mediated signaling pathway' and 'positive regulation of gene expression'. KEGG pathway analysis indicated that these co-targeted genes may function through pathways associated with 'hypoxia-inducible factor-1 (HIF-1) signaling pathway' and 'tumor-necrosis factor (TNF) signaling pathway'. The PPI network showed that the top 3 hub genes were TP53
TNF
and CASP3. Molecular docking results showed that PF was well docking with TNF. CCK-8 showed no potential toxicity of 10
20 and 50 μmol/L PF on human OA FLS. And PF significantly decreased the expression levels of interleukin-1β
interleukin-6
TNF-α matrix metalloproteinase 13 (MMP13)
and a disintegrin and metalloproteinase with thrombospondin motifs 5 (ADAMTS5) and TNF-α in LPS-induced OA FLS.
Conclusion:
2
PF exhibited potent anti-inflammatory effect in OA synovial inflammation.