Anti-inflammatory effects of Polygonum cuspidatum extract in mice
Author Information
Author(s): Bralley Eve E, Greenspan Phillip, Hargrove James L, Wicker Louise, Hartle Diane K
Primary Institution: University of Georgia
Hypothesis
Can Polygonum cuspidatum extract inhibit inflammation in a mouse model?
Conclusion
Polygonum cuspidatum extract significantly reduces inflammation and neutrophil infiltration in a mouse model of ear inflammation.
Supporting Evidence
- PCE treatment at all doses significantly reduced ear edema compared to the TPA control.
- The PCE response was dose-dependent and 2.5 mg PCE significantly inhibited all markers of inflammation.
- MPO activity was inhibited at PCE doses ≥ 1.25 mg/ear.
- Trans-resveratrol inhibited inflammation at comparable doses.
Takeaway
This study found that a plant extract can help reduce swelling and inflammation in mice's ears.
Methodology
The study applied different doses of Polygonum cuspidatum extract to mouse ears after inducing inflammation with TPA and measured ear thickness and myeloperoxidase activity.
Potential Biases
Potential bias in the measurement of outcomes due to a single investigator performing all measurements.
Limitations
The study was conducted only on female Swiss mice, which may limit the generalizability of the results.
Participant Demographics
Female Swiss Webster mice, weighing 22–25 g.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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