Systemic benefit of radiation therapy via abscopal effect.

Systemic benefit of radiation therapy via abscopal effect.
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DOI:
10.3389/fonc.2022.987142
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发表时间:
2022
影响因子:
4.7
通讯作者:
--
中科院分区:
医学3区
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--
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Evidence of a systemic response related to localized radiation therapy (RT) in cancer management is rare. However, enhancing the immune response via immunotherapy followed by localized RT has shown evidence of tumor shrinkage to non-irradiated metastatic disease thereby inducing an “abscopal effect.” Combined induction of the cGAS-STING pathway and activation of IFN-gamma signaling cascade related to RT within an activated immune environment promotes neoantigen presentation and expansion of cytotoxic effector cells enabling enhancement of systemic immune response. A proposed mechanism, case examples, and clinical trial evidence of “abscopal effect” benefit are reviewed. Results support strategic therapeutic testing to enhance “abscopal effect.”
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