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Curr Opin Genet Dev. 2008 Feb;18(1):11-8. doi: 10.1016/j.gde.2007.12.007. Epub 2008 Mar 4.

Immune surveillance: a balance between protumor and antitumor immunity.

Author information

1
University of Maryland, Baltimore County, Department of Biological Sciences, 1000 Hilltop Circle, Baltimore, MD 21250, United States. srosenbe@umbc.edu

Abstract

Precancerous and malignant cells can induce an immune response which results in the destruction of transformed and/or malignant cells, a process known as immune surveillance. However, immune surveillance is not always successful, resulting in 'edited' tumors that have escaped immune surveillance. Immunoediting is not simply because of the absence of antitumor immunity, but is because of protumor immunity that blocks antitumor adaptive and innate responses, and promotes conditions that favor tumor progression. Several immune protumor effector mechanisms are upregulated by chronic inflammation, leading to the hypothesis that inflammation promotes carcinogenesis and tumor growth by altering the balance between protumor and antitumor immunity, thereby preventing the immune system from rejecting malignant cells, and providing a tumor-friendly environment for progressive disease.

PMID:
18308558
PMCID:
PMC2699403
DOI:
10.1016/j.gde.2007.12.007
[Indexed for MEDLINE]
Free PMC Article
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