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Angesinenolide B, A Phthalide Dimeric Peroxide, Exerts Anti-Inflammatory Properties by Suppressing MAPK/STATs
Laibin Zhang1, Yuan Liu1, Huanhuan Wang1
1School of Pharmacy, Xinxiang Medical University, Xinxiang, Henan, 453003, People's Republic of China.
Journal of Inflammation Research
|February 10, 2025
Summary
Angesinenolide B (ASB) significantly reduces inflammation by lowering key inflammatory markers and inhibiting specific signaling pathways. This natural compound shows promise as a potential treatment for inflammatory conditions.
Area of Science:
- Pharmacology
- Natural Products Chemistry
- Immunology
Background:
- Angesinenolide B (ASB) is a phthalide dimer derived from *Angelica sinensis* radix.
- ASB exhibits notable anti-inflammatory properties.
Purpose of the Study:
- To evaluate the anti-inflammatory effects of ASB.
- To investigate the underlying mechanisms of ASB's action in cellular and animal models.
Main Methods:
- Assessed nitric oxide (NO), TNF-α, and IL-6 levels in LPS-stimulated macrophages.
- Analyzed mRNA expression of iNOS and COX-2 via qRT-PCR.
- Determined reactive oxygen species (ROS) generation using fluorescence microscopy and flow cytometry.
- Investigated signaling pathways (NF-κB, MAPK, STATs) using Western blot and immunofluorescence.
- Validated ASB-protein interactions via molecular docking.
- Evaluated in vivo anti-inflammatory effects in a CuSO₄-induced zebrafish model.
Main Results:
- ASB suppressed NO, TNF-α, IL-6, and ROS production in LPS-stimulated macrophages.
- ASB inhibited iNOS and COX-2 protein and mRNA expression.
- ASB downregulated MAPK and STATs signaling pathways.
- ASB attenuated ROS overproduction and elevated TNF-α and IL-6 mRNA levels in zebrafish.
Conclusions:
- ASB demonstrates anti-inflammatory potential by reducing inflammatory mediators and cytokines.
- ASB exerts its effects through the downregulation of MAPK and STATs signaling pathways.
- ASB represents a promising therapeutic candidate for managing inflammatory conditions.
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