Mitochondrial Dysfunction in the Pathophysiology of Bipolar Disorder: Effects of Pharmacotherapy

Author(s): Edward Callaly , Ken Walder , Gerwyn Morris , Michael Maes , Monojit Debnath , Michael Berk .

Journal Name: Mini-Reviews in Medicinal Chemistry

Volume 15 , Issue 5 , 2015

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Abstract:

Bipolar disorder is a common, chronic, and complex mental illness. Bipolar disorder is frequently comorbid with primary mitochondrial and metabolic disorders, and studies have implicated mitochondrial dysfunction in its pathophysiology. In the brains of people with bipolar disorder, high-energy phosphates are decreased, lactate is elevated and pH decreased, which together suggest a shift toward glycolysis for energy production. Furthermore, oxidative stress is increased, and calcium signalling dysregulated. Additionally there is downregulation of the expression of mitochondrial complexes, especially complex I. The therapeutic effects of some bipolar disorder drugs have recently been shown to be related to these mechanisms. In this review we will evaluate current research on the interactions between mitochondrial dysfunction and bipolar disorder pathology. We will then appraise the current literature describing the effects of bipolar disorder drugs on mitochondrial function, and discuss ramifications for future research.

Keywords: Bipolar disorder, mitochondria, mood stabiliser, oxidative stress, neuroprogression.

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Article Details

VOLUME: 15
ISSUE: 5
Year: 2015
Page: [355 - 365]
Pages: 11
DOI: 10.2174/1389557515666150324122026
Price: $58

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