IFNgamma and lymphocytes prevent primary tumour development and shape tumour immunogenicity.
Level 5 - mechanism / opinion, no new human data
Preclinical bench and animal research
PubMed 11323675 · doi:10.1038/35074122
What was done
Investigated the collaborative role of lymphocytes and interferon-gamma (IFNgamma) in extrinsic tumor suppression and tumor sculpting using mouse models of carcinogen-induced sarcomas and spontaneous epithelial carcinomas.
What was found
The abstract reports no numerical values or effect sizes. Qualitatively, lymphocytes and IFNgamma collaborated to protect mice against carcinogen-induced sarcomas and spontaneous epithelial carcinomas, while simultaneously selecting for tumor cells with reduced immunogenicity capable of surviving in immunocompetent hosts.
Why it matters
This paper provides foundational experimental support for the cancer immunoediting hypothesis, explaining how immune-mediated tumor suppression concurrently drives the selection of immune-evasive tumor variants.
Limits
Preclinical animal study; results in mice may not directly translate to human tumor biology. The abstract does not report sample sizes, specific quantitative rates, or effect sizes.
Cited by
- supports In immune-deficient mice, cancer tumors grow significantly faster.