Temporal expression and cellular origin of CC chemokine receptors CCR1, CCR2 and CCR5 in the central nervous system: insight into mechanisms of MOG-induced EAE
2007

Study of Chemokine Receptors in Rat Model of Multiple Sclerosis

Sample size: 30 publication Evidence: moderate

Author Information

Author(s): Sana Eltayeb, Anna-Lena Berg, Hans Lassmann, Erik Wallström, Maria Nilsson, Tomas Olsson, Anders Ericsson-Dahlstrand, Dan Sunnemark

Primary Institution: Karolinska Institute

Hypothesis

The study aims to characterize the expression of CCR1, CCR2, and CCR5 in the spinal cord of rats with MOG-induced EAE.

Conclusion

The study found distinct expression patterns of CCR1, CCR2, and CCR5 mRNA in the CNS lesions of rats with MOG-EAE, indicating their role in macrophage recruitment during inflammation.

Supporting Evidence

  • CCR1 and CCR5 mRNA were extensively up-regulated during active inflammation in MOG-EAE rats.
  • Expression of all three receptors was significantly reduced during clinical remission.
  • Healthy control rats did not show any detectable expression of CCR1, CCR2, or CCR5 mRNA.

Takeaway

The study shows that certain proteins help attract immune cells to the brain during inflammation, which is important for understanding diseases like multiple sclerosis.

Methodology

The expression of CCR1, CCR2, and CCR5 mRNA was studied using in situ hybridization and immunohistochemical staining in spinal cord sections from healthy and MOG-EAE rats.

Participant Demographics

Female DA.RT1av1 rats aged 10 to 14 weeks were used in the study.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1742-2094-4-14

Want to read the original?

Access the complete publication on the publisher's website

View Original Publication