Affiliation:
1. Department of Surgery, University of Michigan, Ann Arbor
Abstract
Abstract
It has been reported that ectopically expressed interleukin-17 (IL-17) in tumor cells suppresses tumor progression through enhanced antitumor immunity in immune competent mice or promote tumor progression through an increase in inflammatory angiogenesis in immune-deficient mice. The role of endogenous IL-17 in tumor immunity remains undefined. Here we showed that tumor growth and lung metastasis were enhanced in IL-17–deficient mice, associated with decreased interferon-γ+ natural killer cells and tumor specific interferon-γ+ T cells in the tumor draining lymph nodes and tumors. Together with the published data showing that in vitro transforming growth factor-β and IL-6–polarized Th17 cells induce tumor regression, our work supports the notion that endogenous IL-17 or/and Th17 cells may play a protective role in tumor immunity.
Publisher
American Society of Hematology
Subject
Cell Biology,Hematology,Immunology,Biochemistry
Cited by
339 articles.
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