Cyclophosphamide-Induced Cystitis Increases Bladder CXCR4 Expression and CXCR4-Macrophage Migration Inhibitory Factor Association CXCR4-MIF in Cystitis
2008

Cyclophosphamide-Induced Cystitis and CXCR4-MIF Associations in Rats

Sample size: 20 publication 10 minutes Evidence: moderate

Author Information

Author(s): Vera Pedro L., Iczkowski Kenneth A., Wang Xihai, Meyer-Siegler Katherine L.

Primary Institution: Bay Pines VA Healthcare System, Research & Development

Hypothesis

CXCR4-MIF complex formation may occur in the bladder during cystitis.

Conclusion

CXCR4-MIF associations increase in experimental cystitis in rats, suggesting a role for CXCR4 in MIF-mediated bladder inflammation.

Supporting Evidence

  • MIF is upregulated in bladder inflammation models.
  • CXCR4 expression is increased in response to cyclophosphamide treatment.
  • MIF and CXCR4 co-localize in the bladder urothelium.

Takeaway

When rats get a medicine that causes bladder inflammation, a protein called MIF interacts with a receptor called CXCR4, which might help the bladder respond to the inflammation.

Methodology

Male rats were treated with saline or cyclophosphamide to induce cystitis, followed by analysis of bladder tissue for CXCR4 and MIF expression.

Potential Biases

Potential bias in the interpretation of immunostaining results due to subjective scoring.

Limitations

The study was conducted on a small sample size of male rats, which may limit the generalizability of the findings.

Participant Demographics

Twenty male Sprague-Dawley rats, aged 250-300 g.

Statistical Information

P-Value

p=0.004

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0003898

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