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Trends Immunol. 2009 Jun;30(6):286-92. doi: 10.1016/j.it.2009.04.002. Epub 2009 May 8.

Is complement good or bad for cancer patients? A new perspective on an old dilemma.

Author information

1
Department of Pathology and Laboratory Medicine, University of Pennsylvania, Philadelphia, 19104, USA.

Abstract

Several studies of human cancers have established that chronic and insidious inflammation promotes the process of carcinogenesis and exacerbates the growth of existing tumors. Conversely, acute inflammation seems to have the opposite effect. Recent discoveries indicate that this dualism in the role of inflammation in cancer is mirrored by the effects of the complement system on this disease process. Previous studies have suggested that complement proteins can contribute to the immune surveillance of malignant tumors. However, a very recent study has indicated that complement proteins can also promote tumor growth. Here, we describe our current understanding of the role of complement in tumor development and progression.

PMID:
19428302
PMCID:
PMC2704572
DOI:
10.1016/j.it.2009.04.002
[Indexed for MEDLINE]
Free PMC Article

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