The Scientific World Journal

The Scientific World Journal / 2009 / Article

Review Article | Open Access

Volume 9 |Article ID 624894 | https://doi.org/10.1100/tsw.2009.137

S.K. Kulkarni, Ashish Dhir, Kiran Kumar Akula, "Potentials of Curcumin as an Antidepressant", The Scientific World Journal, vol. 9, Article ID 624894, 9 pages, 2009. https://doi.org/10.1100/tsw.2009.137

Potentials of Curcumin as an Antidepressant

Academic Editor: Sergi Ferre
Received29 Sep 2009
Revised15 Oct 2009
Accepted16 Oct 2009

Abstract

Major depression, a debilitating psychiatric disorder, is predicted to be the second most prevalent human illness by the year 2020. Various antidepressants, ranging from monoamine oxidase inhibitors to recently developed dual reuptake inhibitors, are prescribed for alleviating the symptoms of depression. Despite the availability of these blockbuster molecules, approximately 30% of depressed patients do not respond to the existing drug therapies and the remaining 70% fails to achieve complete remission. Moreover, antidepressants are associated with a plethora of side effects and drug-drug/drug-food interactions. In this context, novel approaches are being tried to find more efficacious and safer drugs for the treatment of major depression. Curcumin is one such molecule that has shown promising efficacy in various animal models of major depression. Although the mechanism of the antidepressant effect of curcumin is not fully understood, it is hypothesized to act through inhibiting the monoamine oxidase enzyme and modulating the release of serotonin and dopamine. Moreover, evidences have shown that curcumin enhances neurogenesis, notably in the frontal cortex and hippocampal regions of the brain. The use of curcumin in clinics for the treatment of major depression is limited due to its poor gastrointestinal absorption. The present review attempts to discuss the pharmacological profile along with molecular mechanisms of the antidepressant effect of curcumin in animal models of depression. A need for clinical trials in order to explore the antidepressant efficacy and safety profile of curcumin is emphasized.


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