Periplosides Extract from Cortex periplocae Improve Arthritis by Regulating Macrophage Polarization
Author Information
Author(s): Wang Que, Xiong Xiaoyu, Chen Li, Zhu Fenghua, Yang Xiaoqian, Zhao Weimin, He Shijun, Zuo Jianping, Lin Zemin
Primary Institution: Shanghai Institute of Materia Medica, Chinese Academy of Sciences
Hypothesis
Can Periploca sepium periplosides (PePs) improve collagen antibody-induced arthritis (CAIA) by regulating macrophage polarization?
Conclusion
PePs effectively reduce inflammation and joint damage in CAIA by promoting anti-inflammatory macrophage polarization.
Supporting Evidence
- PePs treatment significantly reduced joint swelling and bone erosion in CAIA mice.
- Flow cytometry showed a shift from M1 to M2 macrophage polarization with PePs treatment.
- PePs decreased the expression of pro-inflammatory markers in joint tissues.
Takeaway
This study shows that a natural extract can help reduce arthritis symptoms by changing how certain immune cells behave.
Methodology
Mice were treated with collagen antibodies and LPS to induce CAIA, followed by treatment with PePs, and various assessments were made to evaluate inflammation and macrophage polarization.
Potential Biases
Potential bias in the assessment of arthritis scores due to the subjective nature of clinical evaluations.
Limitations
The study primarily focuses on a mouse model, which may not fully replicate human rheumatoid arthritis.
Participant Demographics
Female BALB/c mice, aged 8–10 weeks.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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