The relationship between oxidative stress and post-translational modification of the dopamine transporter in bipolar disorder.

Helena Kyunghee Kim, Ana Cristina Andreazza

Department of Pharmacology, University of Toronto, Toronto, ON, Canada.

Expert review of neurotherapeutics 2012 Jul

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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.

Citation

Helena Kyunghee Kim, Ana Cristina Andreazza. The relationship between oxidative stress and post-translational modification of the dopamine transporter in bipolar disorder. Expert review of neurotherapeutics. 2012 Jul;12(7):849-59