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Garrett, L. ; Ung, M.-C. ; Einicke, J. ; Zimprich, A.* ; Fenzl, F.* ; Pawliczek, D. ; Graw, J. ; Dalke, C. ; Hölter, S.M.

Complex long-term effects of radiation on adult mouse behaviour.

Radiat. Res. 197, 67-77 (2022)
Postprint DOI PMC
Open Access Green
We have shown previously that a single radiation event (0.063, 0.125 or 0.5 Gy, 0.063 Gy/min) in adult mice (age 10 weeks) can have delayed dose-dependent effects on locomotor behavior 18 months postirradiation. The highest dose (0.5 Gy) reduced, whereas the lowest dose (0.063 Gy) increased locomotor activity at older age independent of sex or genotype. In the current study we investigated whether higher doses administered at a higher dose rate (0.5, 1 or 2 Gy, 0.3 Gy/min) at the same age (10 weeks) cause stronger or earlier effects on a range of behaviors, including locomotion, anxiety, sensorimotor and cognitive behavior. There were clear dose-dependent effects on spontaneous locomotor and exploratory activity, anxiety-related behavior, body weight and affiliative social behavior independent of sex or genotype of wild-type and Ercc2S737P heterozygous mice on a mixed C57BL/6JG and C3HeB/FeJ background. In addition, smaller genotype- and dose-dependent radiation effects on working memory were evident in males, but not in females. The strongest dose-dependent radiation effects were present 4 months postirradiation, but only effects on affiliative social behaviors persisted until 12 months postirradiation. The observed radiation-induced behavioral changes were not related to alterations in the eye lens, as 4 months postirradiation anterior and posterior parts of the lens were still normal. Overall, we did not find any sensitizing effect of the mutation towards radiation effects in vivo.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Schlagwörter Dose Ionizing-radiation; Neural Stem-cells; Irradiation; Mice; Sex; Neurogenesis; Sensitivity; Inhibition; Startle; Impact
Sprache englisch
Veröffentlichungsjahr 2022
Prepublished im Jahr 2021
HGF-Berichtsjahr 2021
ISSN (print) / ISBN 0033-7587
e-ISSN 1938-5404
Zeitschrift Radiation Research
Quellenangaben Band: 197, Heft: 1, Seiten: 67-77 Artikelnummer: , Supplement: ,
Verlag Radiation Research Society
Verlagsort 810 E Tenth Street, Lawrence, Ks 66044 Usa
Begutachtungsstatus Peer reviewed
POF Topic(s) 30204 - Cell Programming and Repair
30201 - Metabolic Health
30203 - Molecular Targets and Therapies
Forschungsfeld(er) Genetics and Epidemiology
PSP-Element(e) G-500500-001
G-500692-001
G-506900-001
G-500500-002
Förderungen INFRAFRONTIER
German Federal Ministry of Education and Research
Euratom Research and Training Programme 2014-2018
Scopus ID 85123324989
PubMed ID 34237145
Erfassungsdatum 2021-07-30