Physical modalities inducing immunogenic tumor cell death for cancer immunotherapy

December 29, 2014
Source: OncoImmunology Volume 3, Issue 12, 2014, DOI:10.4161/21624011.2014.968434

Authors: Irena Adkins, Jitka Fučíková, Abhishek D. Garg, Patrizia Agostinis, Radek Špíšek

The concept of immunogenic cancer cell death (ICD), as originally observed during the treatment with several chemotherapeutics or ionizing irradiation, has revolutionized the view on the development of new anticancer therapies. ICD is defined by endoplasmic reticulum (ER) stress response, reactive oxygen species (ROS) generation, emission of danger-associated molecular patterns and induction of antitumor immunity. Here we describe known and emerging cancer cell death-inducing physical modalities, such as ionizing irradiation, ultraviolet C light, Photodynamic Therapy (PDT) with Hypericin, high hydrostatic pressure (HHP) and hyperthermia (HT), which have been shown to elicit effective antitumor immunity. We discuss the evidence of ICD induced by these modalities in cancer patients together with their applicability in immunotherapeutic protocols and anticancer vaccine development.

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