Evasion of the immune system is an all too common feature of cancer. A new study suggests one evasion mechanism: induction of T-cell apoptosis through B7-H1, a molecule expressed on the surface of many tumor cells (pages 793–800).
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Freeman, G., Sharpe, A. & Kuchroo, V. Protect the killer: CTLs need defenses against the tumor. Nat Med 8, 787–789 (2002). https://doi.org/10.1038/nm0802-787
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DOI: https://doi.org/10.1038/nm0802-787
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