Involvement of central noradrenaline, serotonin and dopamine system in the antidepressant activity of fruits of Solanum torvum (Solanaceae) |
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Authors: | Momin Rehan Mohan Mahalaxmi |
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Institution: | Department of Pharmacology , M.G.V College of Pharmacy, Nasik 03, Panchavati, Maharashtra, India. |
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Abstract: | The methanolic extract (ME) of Solanum torvum seeds and its ethyl acetate fraction (EAF) were investigated for their antidepressant activity using behavioral (forced swim test, FST and tail suspension test, TST) and biochemical (monoamine oxidase, MAO reduced activity) tests. ME (10, 30 and 100?mg?kg(-1)) and EAF (10 and 30?mg?kg(-1)) dose dependently inhibited the immobility period, increased noradrenaline, serotonin and dopamine levels and inhibited the MAO enzymes in FST and TST using mice. Furthermore, we have observed antagonism between the threshold dose of ME (30 and 100?mg?kg(-1)) and EAF (10 and 30?mg?kg(-1)) with antagonists on behaviour mediated by neurotransmitters noradrenaline, serotonin and dopamine. MAO-A inhibition was more prominent as compared to MAO-B inhibition. The study provides evidence for antidepressant actions of S. torvum. |
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