Deletion of UCP2 in iNOS Deficient Mice Reduces the Severity of the Disease during Experimental Autoimmune Encephalomyelitis
2011

Impact of UCP2 and iNOS Gene Deletion on Autoimmune Encephalomyelitis in Mice

Sample size: 17 publication Evidence: moderate

Author Information

Author(s): Aheng Caroline, Ly Nathalie, Kelly Mairead, Ibrahim Saleh, Ricquier Daniel, Alves-Guerra Marie-Clotilde, Miroux Bruno

Primary Institution: Institut Cochin INSERM U1016, CNRS UMR8104, Faculté Paris Descartes, Paris, France

Hypothesis

Does the deletion of UCP2 and iNOS genes affect the severity of Experimental Autoimmune Encephalomyelitis (EAE) in mice?

Conclusion

Mice lacking both UCP2 and iNOS genes developed milder EAE with reduced immune cell infiltration and cytokine production.

Supporting Evidence

  • UCP2 deficient mice showed increased disease severity in EAE compared to controls.
  • Deletion of both UCP2 and iNOS genes delayed disease onset and reduced severity.
  • iNOS deficient mice had higher clinical scores than UCP2 deficient mice.
  • Reduced immune cell infiltration was observed in (Ucp2-iNos) deficient mice.

Takeaway

Scientists studied mice to see what happens when they remove certain genes. They found that mice without two specific genes got less sick from a disease that affects the brain.

Methodology

Mice were genetically modified to lack UCP2 and iNOS genes, then induced with EAE and monitored for clinical symptoms and immune responses.

Limitations

The study had a reduced sample size compared to previous studies, which may affect the statistical power of the results.

Participant Demographics

Mice aged 7-10 weeks were used in the study.

Statistical Information

P-Value

0.0003

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0022841

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