Inhibition of RAGE Increases Survival in Severe Sepsis Models
Author Information
Author(s): Lutterloh Emily C, Opal Steven M, Pittman Debra D, Keith James C Jr, Tan Xiang-Yang, Clancy Brian M, Palmer Helen, Milarski Kim, Sun Ying, Palardy John E, Parejo Nicholas A, Kessimian Noubar
Primary Institution: Division of Infectious Diseases, Memorial Hospital of Rhode Island
Hypothesis
Treatment with an anti-RAGE antibody may have a protective effect in polymicrobial sepsis.
Conclusion
The study demonstrates that RAGE inhibition can significantly improve survival rates in experimental models of severe sepsis.
Supporting Evidence
- RAGE knockout mice had an 80% survival rate after CLP compared to 37% in wild-type mice.
- Anti-RAGE antibody treatment improved survival rates significantly in treated groups.
- Delayed treatment with anti-RAGE antibody still provided significant survival benefits.
Takeaway
Researchers found that blocking a specific receptor in mice helped them survive severe infections better.
Methodology
The study used cecal ligation and puncture (CLP) and systemic listeriosis models in mice to assess survival rates after RAGE inhibition.
Limitations
Further studies are needed to determine the clinical utility of anti-RAGE antibody in humans.
Participant Demographics
Mice used included homozygous RAGE knockout, heterozygous RAGE, and wild-type strains.
Statistical Information
P-Value
p<0.001
Statistical Significance
p<0.01
Digital Object Identifier (DOI)
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