Immunomodulation of murine collagen-induced arthritis by N, N-dimethylglycine and a preparation of Perna canaliculus
2007

Effects of Perna canaliculus and DMG on Arthritis in Mice and Rats

publication 10 minutes Evidence: moderate

Author Information

Author(s): Lawson Brian R, Belkowski Stanley M, Whitesides John F, Davis Paul, Lawson John W

Primary Institution: Clemson University

Hypothesis

Can Perna canaliculus and DMG effectively modulate immune responses in collagen-induced arthritis models?

Conclusion

Perna canaliculus shows significant potential as a treatment for rheumatoid arthritis, while DMG's effects vary by species.

Supporting Evidence

  • Perna treatment reduced proinflammatory cytokine production in monocytes.
  • DMG increased cytokine production in certain concentrations.
  • Prophylactic treatment with Perna or DMG reduced arthritis incidence in rats.
  • Therapeutic Perna treatment significantly improved arthritis scores in mice.

Takeaway

This study tested two natural supplements, Perna canaliculus and DMG, to see if they could help with arthritis in rats and mice. Perna worked well, but DMG didn't help the mice much.

Methodology

The study involved in vitro and in vivo experiments using THP-1 monocytes, rat neutrophils, and collagen-induced arthritis models in rats and mice.

Potential Biases

Potential bias in the selection of animal models and treatment groups.

Limitations

The study primarily focused on animal models, which may not fully translate to human responses.

Participant Demographics

Female Wistar rats and DBA/1J mice were used in the experiments.

Statistical Information

P-Value

p<0.05

Confidence Interval

95%

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1472-6882-7-20

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