期刊
CANCER RESEARCH
卷 67, 期 17, 页码 7941-7944出版社
AMER ASSOC CANCER RESEARCH
DOI: 10.1158/0008-5472.CAN-07-1622
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In contrast to prior belief, tumor cell apoptosis is not necessarily silent but can be immunogenic. By tracing how anthracyclines and gamma-irradiation trigger immunogenic cell deaths, we found that they were causally connected to the exposure of calreticulin on the tumor cell surface, before apoptosis in the tumor cell itself occurred. Furthermore, we showed that calreticulin exposure was necessary and sufficient to increase proimmunogenic killing by other chemotherapies. Our findings suggest that calreticulin could serve as a biomarker to predict therapy-associated immune responses, and that tactics to expose calreticulin might improve the clinical efficacy of many cancer therapies.
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