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| 001 | 153262 | ||
| 005 | 20230915094009.0 | ||
| 024 | 7 | _ | |a pmc:PMC7179865 |2 pmc |
| 024 | 7 | _ | |a 10.1371/journal.pone.0231495 |2 doi |
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| 037 | _ | _ | |a DZNE-2020-01259 |
| 041 | _ | _ | |a English |
| 082 | _ | _ | |a 610 |
| 100 | 1 | _ | |a Nörenberg, Dominik |0 0000-0001-7726-9006 |b 0 |e Corresponding author |
| 245 | _ | _ | |a Investigation of potential adverse central nervous system effects after long term oral administration of gadolinium in mice |
| 260 | _ | _ | |a San Francisco, California, US |c 2020 |b PLOS |
| 336 | 7 | _ | |a article |2 DRIVER |
| 336 | 7 | _ | |a Output Types/Journal article |2 DataCite |
| 336 | 7 | _ | |a Journal Article |b journal |m journal |0 PUB:(DE-HGF)16 |s 1605877107_21604 |2 PUB:(DE-HGF) |
| 336 | 7 | _ | |a ARTICLE |2 BibTeX |
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| 336 | 7 | _ | |a Journal Article |0 0 |2 EndNote |
| 520 | _ | _ | |a ObjectivesTo examine potential gadolinium (Gd) accumulation in the brain of healthy mice after long-term oral administration of Gd-containing food pellets and to investigate whether Gd leads to adverse central nervous system (CNS) effects, specifically focussing on locomotor impairment in Gd exposed compared to control animals.Materials and methodsThe local Animal Experimental Ethics Committee approved all procedures and applications. Fifteen female C57Bl/6 mice were orally exposed to a daily intake of 0.57 mmol Gd chloride/ kg body weight over a period of 90 weeks from the age of 4 weeks on. Gd-free, but otherwise equivalent experimental diets were given to the control group (N = 13). The animals were monitored daily by animal caretakers regarding any visible signs of distress and evaluated clinically every four weeks for the first 60 weeks and afterwards every two weeks for a better temporal resolution of potential long-term effects regarding impairment of motor performance and loss of body weight. The individual Gd content was measured using mass spectrometry in a sub-cohort of N = 6 mice.ResultsThe absolute brain Gd levels of the Gd-exposed mice were significantly increased compared to control mice (0.033± 0.009 vs. 0.006± 0.002 nmol Gd/ g brain tissue). Long-term oral Gd exposure over almost the entire life-span did not lead to adverse CNS effects including locomotor changes (rotarod performance, p = 0.1467) in healthy mice throughout the study period. Gd-exposed mice showed less increased body weight compared to control mice during the study period (p = 0.0423). Histopathological alterations, such as hepatocellular vacuolization due to fatty change in the liver and a loss of nucleated cells in the red pulp of the spleen, were found in peripheral organs of both groups.ConclusionsLow levels of intracerebral Gd caused by chronic oral exposure over almost the entire life span of mice did not lead to alterations in locomotor abilities in healthy mice throughout the normal aging process. |
| 536 | _ | _ | |a 344 - Clinical and Health Care Research (POF3-344) |0 G:(DE-HGF)POF3-344 |c POF3-344 |f POF III |x 0 |
| 588 | _ | _ | |a Dataset connected to CrossRef |
| 650 | _ | 2 | |a Administration, Oral |2 MeSH |
| 650 | _ | 2 | |a Animals |2 MeSH |
| 650 | _ | 2 | |a Central Nervous System: drug effects |2 MeSH |
| 650 | _ | 2 | |a Female |2 MeSH |
| 650 | _ | 2 | |a Gadolinium: administration & dosage |2 MeSH |
| 650 | _ | 2 | |a Gadolinium: adverse effects |2 MeSH |
| 650 | _ | 2 | |a Locomotion: drug effects |2 MeSH |
| 650 | _ | 2 | |a Mice |2 MeSH |
| 650 | _ | 2 | |a Mice, Inbred C57BL |2 MeSH |
| 700 | 1 | _ | |a Schmidt, Felix |b 1 |
| 700 | 1 | _ | |a Schinke, Karin |b 2 |
| 700 | 1 | _ | |a Frenzel, Thomas |b 3 |
| 700 | 1 | _ | |a Pietsch, Hubertus |b 4 |
| 700 | 1 | _ | |a Giese, Armin |0 P:(DE-HGF)0 |b 5 |
| 700 | 1 | _ | |a Ertl-Wagner, Birgit |b 6 |
| 700 | 1 | _ | |a Levin, Johannes |0 P:(DE-2719)2811659 |b 7 |e Last author |u dzne |
| 773 | _ | _ | |a 10.1371/journal.pone.0231495 |g Vol. 15, no. 4, p. e0231495 - |0 PERI:(DE-600)2267670-3 |n 4 |p e0231495 - |t PLOS ONE |v 15 |y 2020 |x 1932-6203 |
| 856 | 4 | _ | |u https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0231495 |
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