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Updated: May 19, 2026

Developing a Rat Model for Bipolar Disorder
Published on: May 2, 2025
The relationship between oxidative stress and post-translational modification of the dopamine transporter in bipolar
Helena Kyunghee Kim1, Ana Cristina Andreazza
1Department of Pharmacology, University of Toronto, Toronto, ON, Canada.
Abstract:
Bipolar disorder (BD) has been consistently associated with altered levels of oxidative stress markers, although the cause and consequences of these alterations remain to be elucidated. One of the main hypotheses regarding the pathogenesis of mania involves increased dopaminergic transmission. In this review, the authors aim to discuss a potential mechanism by which increased oxidative stress inhibits the uptake of dopamine through the post-translational modification of the dopamine transporter and its implications for BD. Within the next 5 years, the authors believe that the mechanisms of dopamine transporter oxidation and its impact on the pathophysiology of BD will be elucidated, which may open avenues for the development of more specific interventions for the treatment of this debilitating illness.
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