Web of Science: 73 cites, Scopus: 80 cites, Google Scholar: cites,
Low dose ionizing radiation effects on the immune system
Lumniczky, Katalin (National Public Health Centre. Department of Radiation Medicine)
Impens, Nathalie (Belgian Nuclear Research Centre)
Armengol Rosell, Gemma (Universitat Autònoma de Barcelona. Departament de Biologia Animal, de Biologia Vegetal i d'Ecologia)
Candéias, Serge (Université Grenoble-Alpes)
Georgakilas, Alexandros G. (National Technical University of Athens. Physics Department)
Hornhardt, Sabine (Federal Office for Radiation Protection)
Martin, Olga A. (The University of Melbourne. Peter MacCallum Department of Oncology)
Rödel, Franz (Goethe University Frankfurt am Main. Department of Radiotherapy and Oncology)
Schaue, Dörthe (University of California at Los Angeles. Department of Radiation Oncology)

Data: 2021
Resum: Ionizing radiation interacts with the immune system in many ways with a multiplicity that mirrors the complexity of the immune system itself: namely the need to maintain a delicate balance between different compartments, cells and soluble factors that work collectively to protect, maintain, and restore tissue function in the face of severe challenges including radiation damage. The cytotoxic effects of high dose radiation are less relevant after low dose exposure, where subtle quantitative and functional effects predominate that may go unnoticed until late after exposure or after a second challenge reveals or exacerbates the effects. For example, low doses may permanently alter immune fitness and therefore accelerate immune senescence and pave the way for a wide spectrum of possible pathophysiological events, including early-onset of age-related degenerative disorders and cancer. By contrast, the so called low dose radiation therapy displays beneficial, anti-inflammatory and pain relieving properties in chronic inflammatory and degenerative diseases. In this review, epidemiological, clinical and experimental data regarding the effects of low-dose radiation on the homeostasis and functional integrity of immune cells will be discussed, as will be the role of immune-mediated mechanisms in the systemic manifestation of localized exposures such as inflammatory reactions. The central conclusion is that ionizing radiation fundamentally and durably reshapes the immune system. Further, the importance of discovery of immunological pathways for modifying radiation resilience amongst other research directions in this field is implied.
Ajuts: European Commission 662287
Drets: Aquest document està subjecte a una llicència d'ús Creative Commons. Es permet la reproducció total o parcial, la distribució, la comunicació pública de l'obra i la creació d'obres derivades, fins i tot amb finalitats comercials, sempre i quan es reconegui l'autoria de l'obra original. Creative Commons
Llengua: Anglès
Document: Article ; recerca ; Versió publicada
Matèria: Low-dose ionizing radiation ; Immune system ; Epidemiological data ; DNA damage response ; Inflammation
Publicat a: Environment International, Vol. 149 (April 2021) , art. 106212, ISSN 1873-6750

DOI: 10.1016/j.envint.2020.106212
PMID: 33293042

22 p, 2.4 MB

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