Brain and liver oxidative stress after sertraline and haloperidol treatment in mice
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Omar M.E. Abdel-Salam
,
Eman R. Youness
Abstract
Background: Haloperidol is a classic antipsychotic drug known for its propensity to cause extrapyramidal side effects. Sertraline is an antidepressant drug which has been reported to cause extrapyramidal symptoms. We aimed to see whether treatment with sertraline would worsen the effect of haloperidol on oxidative stress in the brains of mice.
Methods: Sertraline (10 or 20 mg/kg), haloperidol (2 mg/kg), haloperidol combined with sertraline or saline was administered daily via the subcutaneous route and mice were euthanized 10 days later when biochemical assays were carried out. Malondialdehyde (MDA), reduced glutathione (GSH), nitric oxide (nitrite) levels, total antioxidant capacity (TAC), acetylcholinesterase (AChE), catalase and paraoxonase 1 (PON1) activities were determined in the brain and liver.
Results: Sertraline monotherapy did not alter GSH, MDA, TAC or nitrite in the brain. Haloperidol decreased GSH and TAC and increased MDA and nitrite. The combined treatment with sertraline and haloperidol resulted in increased MDA, but to a lesser extent than haloperidol monotherapy. A significant increase in GSH and TAC and decreased nitrite was observed after the combination treatment was compared with haloperidol monotherapy. Catalase activity decreased with sertraline or haloperidol treatment. PON1 activity decreased with sertraline and haloperidol monotherapy and showed a further decrease with the combination therapy compared with haloperidol monotherapy. AChE activity decreased after haloperidol and increased with the combination treatment compared with haloperidol monotherapy. In the liver, GSH was unaltered after sertraline, haloperidol or their combination. MDA increased with sertraline, haloperidol and their combination. TAC decreased after combination therapy. Nitric oxide increased after sertraline, haloperidol or their combination. PON1 activity decreased with sertraline, haloperidol and with sertraline-haloperidol co-treatment.
Conclusions: Sertraline did not worsen brain oxidative stress-induced with haloperidol, however, liver peroxidation increased. Sertraline decreased catalase and PON1 activity which might expose the brain to further oxidative insults.
©2013 by Walter de Gruyter Berlin Boston
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- Original Articles
- Expression and role of the genes involved in the transport of bile acids in the liver and kidneys in mice
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