The Journal of Experimental Medicine
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Published 14 January 2002. doi:10.1084/jem.20011171
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© Rockefeller University Press, 0022-1007/2002/1/161/ $5.00
The Journal of Experimental Medicine, Volume 195, Number 2, January 21, 2002 161-169


Original Article

Critical Role for Tumor Necrosis Factor–related Apoptosis-inducing Ligand in Immune Surveillance Against Tumor Development

Kazuyoshi Takeda1, Mark J. Smyth2, Erika Cretney2, Yoshihiro Hayakawa3, Nobuhiko Kayagaki1, Hideo Yagita1 and Ko Okumura1

1 Department of Immunology, Juntendo University, School of Medicine, Bunkyo-ku, Tokyo 113-8421, Japan
2 Cancer Immunology Program, Sir Donald and Lady Trescowthick Laboratories, Peter MacCallum Cancer Institute, East Melbourne, Victoria 3002, Australia
3 Department of Pathogenic Biochemistry, Research Institute of Natural Medicine, Toyama Medical and Pharmaceutical University, Toyama 930-0194, Japan

Address correspondence to Kazuyoshi Takeda, Dept. of Immunology, Juntendo University, School of Medicine, 2-1-1 Hongo, Bunkyo-ku, Tokyo 113-8421, Japan. Phone: 81-3-3818-9284; Fax: 81-3-3813-0421; E-mail: ktakeda{at}med.juntendo.ac.jp

Natural killer (NK) cells and interferon (IFN)-{gamma} have been implicated in immune surveillance against tumor development. Here we show that tumor necrosis factor–related apoptosis-inducing ligand (TRAIL) plays a critical role in the NK cell–mediated and IFN-{gamma}–dependent tumor surveillance. Administration of neutralizing monoclonal antibody against TRAIL promoted tumor development in mice subcutaneously inoculated with a chemical carcinogen methylcholanthrene (MCA). This protective effect of TRAIL was at least partly mediated by NK cells and totally dependent on IFN-{gamma}. In the absence of TRAIL, NK cells, or IFN-{gamma}, TRAIL-sensitive sarcomas preferentially emerged in MCA-inoculated mice. Moreover, development of spontaneous tumors in p53+/- mice was also promoted by neutralization of TRAIL. These results indicated a substantial role of TRAIL as an effector molecule that eliminates developing tumors.

Key Words: NK cells • IFN-{gamma} • methylcholanthrene-induced fibrosarcoma • p53 • innate immune response


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