Contribution of the immune system to bystander and non-targeted effects of ionizing radiation

Franz Rödel, Benjamin Frey, Gabriele Multhoff, Udo Gaipl

Research output: Contribution to journalReview articlepeer-review

89 Scopus citations

Abstract

Considerable progress has recently been achieved in the understanding of molecular mechanisms involved in cellular radiation responses and radiation mediated microenvironmental communication. In line with that, it has become more and more obvious that X-irradiation causes distinct immunological effects ranging from anti-inflammatory activities if applied at low (<1. Gy) doses to harmful inflammatory side effects, radiation-induced immune modulation or induction of anti-tumour immune responses at higher doses. Moreover, experimental and clinical evidences indicate that these effects not only originate from direct nuclear damage but also include non-(DNA) targeted mechanisms including bystander, out of field distant bystander (abscopal) effects and genomic instability. The purpose of the present review is to elucidate immune responses that are initiated or affected by ionizing radiation, with a special emphasis on anti-inflammatory and abscopal effects and the induction of stress-induced anti-tumour immunity.

Original languageEnglish
Pages (from-to)105-113
Number of pages9
JournalCancer Letters
Volume356
Issue number1
DOIs
StatePublished - 1 Jan 2015

Keywords

  • Abscopal effect
  • Bystander effects
  • Heat shock protein 70
  • Immune system
  • Ionizing radiation
  • Non-targeted effects

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