Academic Journal
A single dose of trichloroethylene given during development does not substantially alter markers of neuroinflammation in brains of adult mice
| Title: | A single dose of trichloroethylene given during development does not substantially alter markers of neuroinflammation in brains of adult mice |
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| Authors: | Jacqueline R. Meadows, Chevonne Parker, Kathleen M. Gilbert, Sarah J. Blossom, Jamie C. DeWitt |
| Source: | Journal of Immunotoxicology, Vol 14, Iss 1, Pp 95-102 (2017) |
| Publisher Information: | Taylor & Francis Group, 2017. |
| Publication Year: | 2017 |
| Collection: | LCC:Immunologic diseases. Allergy LCC:Toxicology. Poisons |
| Subject Terms: | Trichloroethylene, neuroinflammation, developmental, early-life, microglia, brain, Immunologic diseases. Allergy, RC581-607, Toxicology. Poisons, RA1190-1270 |
| More Details: | Trichloroethylene (TCE) is a widespread environmental contaminant associated with developmental immunotoxicity and neurotoxicity. Previous studies have shown that MRL+/+ mice exposed to TCE from gestation through early-life demonstrate robust increases in inflammatory markers in peripheral CD4+ T-cells, as well as glutathione depletion and increased oxidative stress in cerebellum-associated with alterations in behavior. Since increased oxidative stress is associated with neuroinflammation, we hypothesized that neuroinflammatory markers could be altered relative to unexposed mice. MRL+/+ mice were given 0.5 mg/ml of TCE in vehicle or vehicle (water with 1% Alkamuls EL-620) from conception through early adulthood via drinking water to dams and then directly to post-weaning offspring. Animals were euthanized at 49 days of age and levels of pro- and anti-inflammatory cytokines, density of T-cell staining, and micro-glial morphology were evaluated in brains to begin to ascertain a neuroinflammatory profile. Levels of IL-6 were decreased in female animals and while not statistically significant, and levels of IL-10 were higher in brains of exposed male and female animals. Supportive of this observation, although not statistically significant, the number of ameboid microglia was higher in exposed relative to unexposed animals. This overall profile suggests the emergence of an anti-inflammatory/neuroprotective phenotype in exposed animals, possibly as a compensatory response to neuroinflammation that is known to be induced by developmental exposure to TCE. |
| Document Type: | article |
| File Description: | electronic resource |
| Language: | English |
| ISSN: | 1547-691X 1547-6901 1547691X |
| Relation: | https://doaj.org/toc/1547-691X; https://doaj.org/toc/1547-6901 |
| DOI: | 10.1080/1547691X.2017.1305021 |
| Access URL: | https://doaj.org/article/94d903afe34147fd903d6a3301f9aa39 |
| Accession Number: | edsdoj.94d903afe34147fd903d6a3301f9aa39 |
| Database: | Directory of Open Access Journals |
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| ISSN: | 1547691X 15476901 |
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| DOI: | 10.1080/1547691X.2017.1305021 |
| Published in: | Journal of Immunotoxicology |
| Language: | English |