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CNS & Neurological Disorders - Drug Targets


ISSN (Print): 1871-5273
ISSN (Online): 1996-3181

Mood Stabilizers, Oxidative Stress and Antioxidative Defense in Euthymia of Bipolar Disorder

Author(s): Susanne A. Bengesser, Nina Lackner, Armin Birner, Martina Platzer, Frederike T. Fellendorf, Robert Queissner, Kristijan Filic, Bernd Reininghaus, Sandra J. Wallner-Liebmann, Harald Mangge, Sieglinde Zelzer, Dietmar Fuchs, Hans-Peter Kapfhammer, Roger S. McIntyre and Eva Z. Reininghaus

Volume 15, Issue 4, 2016

Page: [381 - 389] Pages: 9

DOI: 10.2174/1871527315666160321104059

Price: $65


Background: Hitherto literature indicates that mood stabilizers exert variable effects on oxidative and antioxidative systems, which are involved in the pathogenesis of Bipolar Disorder. Herein we primarily sought to characterize markers of peripheral oxidative stress during euthymia in adults with Bipolar Disorder under current intake of different mood stabilizers (lithium, anticonvulsants and atypical antipsychotics/AAPs).

Methods: Peripheral oxidative stress parameters (TBARS/Thiobarbituric acid-reactive-substances, MDA/ malondialdehyde and carbonyl proteins) and antioxidative markers (SOD/Cu/Zn superoxide dismutase, GST/glutathione Stransferase and TAC/total antioxidative capacity) were measured in serum of 115 euthymic bipolar individuals (50 females, 65 males; HAMD<11 and YMRS<8). Differences in (anti)oxidative markers between bipolar participants treated with different mood stabilizing medication were tested with MANCOVAS and ANCOVAS with SPSS.21.

Results: Bipolar individuals taking lithium had significantly lower oxidative parameters than test persons without lithium (multivariate effect for MDA and TBARS: F(2/182)= 3.956, p= 0.021; univariate effect for MDA: F(2/182)= 7.880, p= 0.006, Partial η2= 0.041). Subjects with AAPs had significantly higher MDA and TBARS levels compared to participants without AAPs (multivariate effect F(2/182)= 3.122, p= 0.046, Partial η2= 0.033). Patients taking anticonvulsants had significantly lower GST levels than patients without antiepileptic medication (F(1/165)= 4.501, p= 0.035, Partial η2= 0.027).

Conclusion: Lithium taking participants had the lowest MDA and TBARS levels, while AAP taking test persons had high oxidative stress markers. The observed effects on oxidative markers may provide a mechanistic basis for understanding lithium’s neuroprotective effects.

Keywords: Oxidative stress, antioxidative parameters, malondialdehyde, carbonyl proteins, glutathione S-transferase.

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