Immuno-Therapy with Anti-CTLA4 Antibodies in Tolerized and Non-Tolerized Mouse Tumor Models
2011

Anti-CTLA4 Immunotherapy in Mouse Tumor Models

Sample size: 5 publication 10 minutes Evidence: moderate

Author Information

Author(s): Jonas Persson, Ines Beyer, Roma Yumul, ZongYi Li, Hans-Peter Kiem, Steve Roffler, André Lieber

Primary Institution: University of Washington

Hypothesis

How does anti-CTLA4 therapy perform in tolerized versus non-tolerized mouse tumor models?

Conclusion

Anti-CTLA4 therapy was ineffective in the tolerized MMC model but showed efficacy in the non-tolerized TC-1 model.

Supporting Evidence

  • Anti-CTLA4 therapy delayed tumor growth in the TC-1 model.
  • Anti-CTLA4 therapy had no effect in the MMC model.
  • Hematopoietic stem cell delivery of anti-CTLA4 was detrimental in both models.

Takeaway

This study looked at a cancer treatment called anti-CTLA4 and found it works well in some mouse models but not in others that are more like real human cancers.

Methodology

The study used two mouse tumor models to test the effects of anti-CTLA4 therapy, comparing systemic application and gene delivery methods.

Potential Biases

Potential bias in the interpretation of results due to the use of animal models.

Limitations

The study's findings may not directly translate to human cancer treatment due to differences in immune response.

Participant Demographics

C57Bl/6 and neu-transgenic mice were used in the study.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0022303

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