Blocking tumor's 'death switch' paradoxically stops tumor growth

Every cell contains machinery for self-destruction, used to induce death when damaged or sick. But according to a new research study, a receptor thought to mediate cell suicide in normal cells may actually be responsible for the unrestrained growth of cancerous tumors. Blocking the activity of this "death receptor" can stop and even reverse the growth of tumors in human tissue culture and mice, scientists report.

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