Cancer Cell Death-Inducing Radiotherapy: Impact On Local Tumour Control, Tumour Cell Proliferation And Induction Of Systemic Anti-Tumour Immunity
APOPTOSIS IN CANCER PATHOGENESIS AND ANTI-CANCER THERAPY: NEW PERSPECTIVES AND OPPORTUNITIES(2016)
摘要
Radiotherapy (RT) predominantly is aimed to induce DNA damage in tumour cells that results in reduction of their clonogenicity and finally in tumour cell death. Adaptation of RT with higher single doses has become necessary and led to a more detailed view on what kind of tumour cell death is induced and which immunological consequences result from it. RT is capable of rendering tumour cells immunogenic by modifying the tumour cell phenotype and the microenvironment. Danger signals are released as well as the senescence-associated secretory phenotype. This results in maturation of dendritic cells and priming of cytotoxic T cells as well as in activation of natural killer cells. However, RT on the other hand can also result in immune suppressive events including apoptosis induction and foster tumour cell proliferation. That's why RT is nowadays increasingly combined with selected immunotherapies.
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关键词
Radiotherapy,DNA damage,Apoptosis,Necrosis,Autophagy,Danger signals,Senescence-associated secretory phenotype,Immunogenic cell death,Immunotherapy
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