4.7 Article

X-rays can trigger the FLASH effect: Ultra-high dose-rate synchrotron light source prevents normal brain injury after whole brain irradiation in mice

Journal

RADIOTHERAPY AND ONCOLOGY
Volume 129, Issue 3, Pages 582-588

Publisher

ELSEVIER IRELAND LTD
DOI: 10.1016/j.radonc.2018.08.016

Keywords

Ultra-high dose-rate X-ray radiation; Synchrotron radiation; Cognitive impairment; Radiation-induced brain injury

Funding

  1. Fond'action lead agency [FNS/ANR CR32I3L_156924]
  2. ISREC Foundation
  3. ESRF
  4. Conseil Regional Rhone-Alpes, la Ligue contre le Cancer, l'Association pour la Recherche contre le Cancer (ARC)
  5. INCA [PRTK17048]
  6. Ecole Normale Superieure de Cachan, France (MESR, France)
  7. FNS (Switzerland) [31003A_156892]
  8. ISREC Foundation (Switzerland)
  9. FNS/ANR [CR32I3L_156924]
  10. ARC (France)
  11. Linksium SATT (France)

Ask authors/readers for more resources

This study is the first proof of concept that the FLASH effect can be triggered by X-rays. Our results show that a 10 Gy whole-brain irradiation delivered at ultra-high dose-rate with synchrotron generated X-rays does not induce memory deficit; it reduces hippocampal cell-division impairment and induces less reactive astrogliosis. (C) 2018 Published by Elsevier B.V.

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