Schreiber, T. H. & Podack, E. R. A critical analysis of the tumour immunosurveillance controversy for 3-MCA-induced sarcomas. Br. J. Cancer 101, 381-386

Sheila and David Fuentes Program in Cancer Biology, Sylvester Comprehensive Cancer Center and the Department of Microbiology and Immunology, University of Miami Miller School of Medicine, Miami, FL 33136, USA.
British Journal of Cancer (Impact Factor: 4.84). 09/2009; 101(3):381-6. DOI: 10.1038/sj.bjc.6605198
Source: PubMed


The cancer immunoediting hypothesis has gained significant footing over the past decade as a result of work performed using sarcomas induced by 3-methylcholanthrene (3-MCA) in mice. Despite the progress made by several groups in establishing evidence for the three phases of immunoediting (elimination, equilibrium and escape), there continues to be active controversy on the nature of interaction between spontaneously formed tumour cells and the immune system during the early phases of tumourigenesis. At the root of this controversy is conflicting and unresolved evidence spanning back to the 1970s regarding the incidence and frequency of 3-MCA-induced sarcomas in immunocompetent mice as compared to immunodeficient mice. In this mini review we provide a critical analysis of both sides of this controversy.

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    • "Again, sarcomas appeared slightly earlier in the Il27ra−/− mice (Fig 1D), although the difference did not reach statistical significance at this dose. Previous studies have also observed that the immune dependent protection is lost at higher doses of MCA [24]. These data show that IL-27 signaling plays a protective role, and point to important effects in the tumor initiation phase after carcinogen exposure. "
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    • "We only detected a small difference in tumour incidence between the two groups (42% in AIRE ko versus 55% of wt mice). However, as recommended by Schreiber et al [22], we focused on the kinetics of tumour growth. The first tumours were detected in ko mice at day 159 as opposed to day 145 in wt mice, i.e a very modest two week delay. "
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