Fundamental Toxicological Sciences
Online ISSN : 2189-115X
ISSN-L : 2189-115X
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The temporal turning window for rat behavioral phenotypes by rotenone
Masami Ishido
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2018 Volume 5 Issue 6 Pages 195-202

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Abstract

Availability of animal models of human neuronal disease has been contributing to reveal their etiology. Particularly, dopaminergic neurodegeneration has been shown by exposure of rats to chemicals, such as rotenone, corresponding to the rat models of attention deficit hyperactivity disorder (ADHD) and Parkinson’s disease. A single chemical of rotenone causes two behavioral phenotypes, both of which are completely opposite; hyperactivity or hypoactivity. They were created by different timing of chemical exposure, neonatal periods or adulthood, suggesting that there would be a temporal turning point of two behavioral phenotypes. Therefore, we examine a turning point of these behavioral phenotypes by measuring the spontaneous motor activity of rotenone models. We estimate the turning window of both behavioral phenotypes would be around between three weeks and four weeks of age in the rat dopaminergic neurodegeneration. Gene set enrichment analysis extracts a cytokine network in both rat models.

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© 2018 The Japanese Society of Toxicology
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