001     155682
005     20230511121108.0
024 7 _ |a 10.1080/09553002.2021.1857455
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024 7 _ |a 1362-3095
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037 _ _ |a DZNE-2021-00850
041 _ _ |a English
082 _ _ |a 570
100 1 _ |a Ung, Marie-Claire
|0 0000-0002-9168-9733
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245 _ _ |a Dose-dependent long-term effects of a single radiation event on behaviour and glial cells.
260 _ _ |a Abingdon
|c 2021
|b Informa Healthcare
336 7 _ |a article
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520 _ _ |a The increasing use of low-dose ionizing radiation in medicine requires a systematic study of its long-term effects on the brain, behaviour and its possible association with neurodegenerative disease vulnerability. Therefore, we analysed the long-term effects of a single low-dose irradiation exposure at 10 weeks of age compared to medium and higher doses on locomotor, emotion-related and sensorimotor behaviour in mice as well as on hippocampal glial cell populations.We determined the influence of radiation dose (0, 0.063, 0.125 or 0.5 Gy), time post-irradiation (4, 12 and 18 months p.i.), sex and genotype (wild type versus mice with Ercc2 DNA repair gene point mutation) on behaviour.The high dose (0.5 Gy) had early-onset adverse effects at 4 months p.i. on sensorimotor recruitment and late-onset negative locomotor effects at 12 and 18 months p.i. Notably, the low dose (0.063 Gy) produced no early effects but subtle late-onset (18 months) protective effects on sensorimotor recruitment and exploratory behaviour. Quantification and morphological characterization of the microglial and the astrocytic cells of the dentate gyrus 24 months p.i. indicated heightened immune activity after high dose irradiation (0.125 and 0.5 Gy) while conversely, low dose (0.063 Gy) induced more neuroprotective features.This is one of the first studies demonstrating such long-term and late-onset effects on brain and behaviour after a single radiation event in adulthood.
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650 _ 7 |a Irradiation
|2 Other
650 _ 7 |a astrocytes
|2 Other
650 _ 7 |a behavior
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650 _ 7 |a brain
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650 _ 7 |a mice
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650 _ 7 |a microglia
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650 _ 7 |a Xeroderma Pigmentosum Group D Protein
|0 EC 3.6.4.12
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650 _ 7 |a Ercc2 protein, mouse
|0 EC 5.99.-
|2 NLM Chemicals
650 _ 2 |a Animals
|2 MeSH
650 _ 2 |a Behavior, Animal: radiation effects
|2 MeSH
650 _ 2 |a Dose-Response Relationship, Radiation
|2 MeSH
650 _ 2 |a Female
|2 MeSH
650 _ 2 |a Hippocampus: radiation effects
|2 MeSH
650 _ 2 |a Male
|2 MeSH
650 _ 2 |a Mice
|2 MeSH
650 _ 2 |a Mice, Inbred C3H
|2 MeSH
650 _ 2 |a Mice, Inbred C57BL
|2 MeSH
650 _ 2 |a Motor Activity: radiation effects
|2 MeSH
650 _ 2 |a Neuroglia: radiation effects
|2 MeSH
650 _ 2 |a Whole-Body Irradiation
|2 MeSH
650 _ 2 |a Xeroderma Pigmentosum Group D Protein: genetics
|2 MeSH
700 1 _ |a Garrett, Lillian
|0 0000-0003-4880-7076
|b 1
700 1 _ |a Dalke, Claudia
|0 0000-0002-8040-4464
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700 1 _ |a Leitner, Valentin
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700 1 _ |a Dragosa, Daniel
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700 1 _ |a Hladik, Daniela
|0 0000-0002-9684-6216
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700 1 _ |a Neff, Frauke
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700 1 _ |a Wagner, Florian
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700 1 _ |a Zitzelsberger, Horst
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700 1 _ |a Miller, Gregor
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700 1 _ |a de Angelis, Martin Hrabě
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700 1 _ |a Rößler, Ute
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700 1 _ |a Vogt Weisenhorn, Daniela
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700 1 _ |a Wurst, Wolfgang
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700 1 _ |a Graw, Jochen
|0 0000-0003-0298-9660
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700 1 _ |a Hölter, Sabine M
|0 0000-0003-4878-5241
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|e Corresponding author
773 _ _ |a 10.1080/09553002.2021.1857455
|g Vol. 97, no. 2, p. 156 - 169
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|p 156 - 169
|t International journal of radiation biology
|v 97
|y 2021
|x 1362-3095
856 4 _ |u https://www.tandfonline.com/doi/full/10.1080/09553002.2021.1857455
856 4 _ |u https://pub.dzne.de/record/155682/files/DZNE-2021-00850.pdf
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