A Pharmacokinetic-Pharmacodynamic Study of Protosappanoside D, a Component Derived from Extracts, for Its Anti-Inflammatory Effects.

Int J Mol Sci

State Key Laboratory of Discovery and Utilization of Functional Components in Traditional Chinese Medicine, Guizhou Provincial Key Laboratory of Pharmaceutics, Guizhou Medical University, Guiyang 550004, China.

Published: April 2025


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Article Abstract

(Roth) O. Deg. (Fabaceae), traditionally used by the Hmong people to treat rheumatoid arthritis (RA), has not been extensively studied for the correlation between its anti-inflammatory activity and its active components. Protosappanoside D (PTD), a new component, has been isolated for the first time from the extract of . This study focused on the anti-arthritic and anti-inflammatory effects of extracts (BDE) and PTD, along with their pharmacokinetic-pharmacodynamic (PK-PD) analysis. In the adjuvant-induced arthritis (AA) rat model, HE staining and cytokine assays showed that BDE alleviated joint damage and reduced inflammatory cytokines, similar to the positive control. In the LPS-induced inflammatory cell model, both BDE and PTD demonstrated anti-inflammatory effects by inhibiting the secretion of inflammatory factors. A PK-PD analysis of BDE in AA rats and inflammatory cells, as well as an analysis of PTD as a monomer, was conducted. The results indicated that PTD had different regulatory effects on cytokines like TNF-, with a certain lag and sustained effects. These findings suggest the potential of BDE and PTD as treatments for rheumatoid arthritis, though further in vivo studies and clinical trials are needed.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC12027796PMC
http://dx.doi.org/10.3390/ijms26083694DOI Listing

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