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Nat Rev Immunol. 2019 Mar;19(3):141-153. doi: 10.1038/s41577-018-0117-0.

DNA-stimulated cell death: implications for host defence, inflammatory diseases and cancer.

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Department of Biomedicine, University of Aarhus, Aarhus, Denmark.
Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden.
Department of Biomedicine, University of Aarhus, Aarhus, Denmark.
Gene Center and Department of Biochemistry, Ludwig-Maximilians-Universität München, Munich, Germany.
Center for Integrated Protein Science (CIPSM), Ludwig-Maximilians-Universität München, Munich, Germany.


The immune system detects disturbances in homeostasis that occur during infection, sterile tissue damage and cancer. This initiates immune responses that seek to eliminate the trigger of immune activation and to re-establish homeostasis. At the same time, these mechanisms can also play a crucial role in the progression of disease. The occurrence of DNA in the cytosol constitutes a potent trigger for the innate immune system, governing the production of key inflammatory cytokines such as type I interferons and IL-1β. More recently, it has become clear that cytosolic DNA also triggers other biological responses, including various forms of programmed cell death. In this article, we review the emerging literature on the pathways governing DNA-stimulated cell death and the current knowledge on how these processes shape immune responses to exogenous and endogenous challenges.


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