Impact of Schistosoma japonicum Infection on Collagen-Induced Arthritis in DBA/1 Mice: A Murine Model of Human Rheumatoid Arthritis
2011

Impact of Schistosoma japonicum Infection on Arthritis in Mice

Sample size: 12 publication 10 minutes Evidence: moderate

Author Information

Author(s): Song Xiaorong, Shen Jilong, Wen Huiqin, Zhong Zhengrong, Luo Qinli, Chu Deyong, Qi Yao, Xu Yuanhong, Wei Wei

Primary Institution: Anhui Medical University, Hefei, Anhui, China

Hypothesis

Can Schistosoma japonicum infection reduce the severity of collagen-induced arthritis in DBA/1 mice?

Conclusion

Schistosoma japonicum infection can suppress the Th1 response and pro-inflammatory mediators, potentially providing a therapeutic approach for autoimmune arthritis.

Supporting Evidence

  • Prior S. japonicum infection significantly reduced the severity of collagen-induced arthritis.
  • Anti-CII IgG levels were lower in infected mice compared to controls.
  • Pro-inflammatory cytokines were down-regulated in schistosome-infected mice.

Takeaway

Infected mice had less severe arthritis, showing that the worm can help the body fight off the disease.

Methodology

Male DBA/1 mice were infected with Schistosoma japonicum before collagen immunization to assess the effects on arthritis severity.

Potential Biases

Potential bias in the interpretation of results due to the controlled laboratory setting.

Limitations

The study was conducted in a murine model, which may not fully replicate human conditions.

Participant Demographics

Male DBA/1 mice, 8-10 weeks old.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0023453

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