Cited by 40Bipolar Disorder and TreatmentAntioxidant Activity and Oxidative StressTreatment of Major Depression

Mood stabilizer lithium inhibits amphetamine-increased 4-hydroxynonenal-protein adducts in rat frontal cortex

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Tan, Hua, Young, L. Trevor, Shao, Li, Che, Yi, Honer, William G., Wang, Jun-Feng·2012·The International Journal of Neuropsychopharmacology

Abstract

Recent studies indicate that bipolar disorder is associated with mitochondrial dysfunction and oxidative stress. Previous studies in our laboratory have shown that the mood stabilizer lithium inhibits oxidative stress. The α,β-unsaturated aldehyde 4-hydroxy-2-nonenal (4-HNE), a major product of lipid peroxidation, is able to exert cytotoxicity and disturb cellular function by forming protein adducts. The purpose of this study is to determine whether chronic lithium treatment prevents 4-HNE-protein adduction in an amphetamine-induced hyperactive mania-like model. We found that repeated amphetamine stimulation significantly induced hyperactive behaviour, decreased activities of mitochondrial complexes I and III, and increased 4-HNE-protein adducts in rat frontal cortex, and that chronic lithium treatment inhibited both amphetamine-induced hyperactivity and 4-HNE-protein adduction. Monoamine neurotransmitters are involved in the aetiology and pathology of bipolar disorder and other psychiatric diseases, and also contribute significantly to amphetamine-induced behavioural effects. Vesicular monoamine transporter 2 (VMAT2) is critical in packaging monoamine neurotransmitters. We found that 4-HNE can form protein adducts with VMAT2. Repeated amphetamine stimulation significantly increased 4-HNE-VMAT2 adducts, while chronic lithium treatment reduced amphetamine-increased 4-HNE-VMAT2 adducts in rat frontal cortex. Our findings suggest that chronic lithium treatment may inhibit amphetamine-induced hyperactive mania-like behaviour by preventing 4-HNE-VMAT2 adduction. This finding also indicates that prevention of 4-HNE-VMAT2 adduction may contribute in part to the pharmacological action of lithium for the treatment of bipolar disorder.

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Authors
Tan, H., Young, L. T., Shao, L., Che, Y., Honer, W. G., & Wang, J.-F.
Affiliations
  • University of British Columbia (CA)
  • University of Toronto (CA)
Venue
The International Journal of Neuropsychopharmacology
Published
2011-09-23
Volume
15
Issue
09
Pages
1275-1285
ISSN
  • 1461-1457 (ISSN-L)
  • 1469-5111
OpenAlex
W2119341005
Cited by
40
References
61
Citations by year
2026: 2 · 2024: 1 · 2023: 3 · 2022: 1 · 2021: 1 · 2020: 2 · 2019: 2 · 2018: 6 · 2017: 1 · 2016: 4 · 2015: 6 · 2014: 1 · 2013: 6 · 2012: 4
FWCI
2.41
Type
journal article
Language
en
Open access
Locations
  • The International Journal of Neuropsychopharmacology (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Eli Lilly and Company
  • AstraZeneca
  • National Alliance for Research on Schizophrenia and Depression
  • Canadian Institutes of Health Research
  • Division of Chemistry
Topics
  • Health Sciences › Medicine › Psychiatry and Mental health › Bipolar Disorder and Treatment
  • Health Sciences › Medicine › Biochemistry › Antioxidant Activity and Oxidative Stress
  • Health Sciences › Medicine › Pharmacology › Treatment of Major Depression
Keywords
lithium, 4-hydroxynonenal, protein adducts, amphetamine-induced hyperactivity, bipolar disorder, oxidative stress, mitochondrial dysfunction, mitochondrial complex I, mitochondrial complex III, vesicular monoamine transporter 2, lipid peroxidation, frontal cortex, monoamines
MeSH terms
Aldehydes, Amphetamine, Central Nervous System Stimulants, Animals, Bipolar Disorder, Immunohistochemistry, Lithium, Male, Motor Activity, Nerve Tissue Proteins, Electron Transport Complex III, Blotting, Western, Rats, Sprague-Dawley, Prefrontal Cortex, Antimanic Agents, Electron Transport Complex I, Immunoprecipitation, Vesicular Monoamine Transport Proteins, Rats

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