AUTHOR=Kaur Punit , Asea Alexzander TITLE=Radiation-induced effects and the immune system in cancer JOURNAL=Frontiers in Oncology VOLUME=Volume 2 - 2012 YEAR=2012 URL=https://www.frontiersin.org/journals/oncology/articles/10.3389/fonc.2012.00191 DOI=10.3389/fonc.2012.00191 ISSN=2234-943X ABSTRACT=Chemotherapy and radiation therapy are standard therapeutic modalities for patients with cancers, and could induce various tumor cell death modalities, releasing tumor derived antigens as well as danger signals that could either be captured for triggering antitumor immune response. Historic studies examining tissue and cellular responses to radiation therapy have predominantly focused on damage caused to proliferating malignant cells leading to their death. However, there is increasing evidence that radiation therapy also leads to significant alterations in the tumor microenvironment, particularly with respect to effects on immune cells and infiltrating tumors. This review will focus on immunologic consequences of radiation therapy and discuss the therapeutic reprogramming of immune responses in tumors and how it regulates efficacy and durability to radiation therapy.