Role of Melatonin in the Pathophysiology of Cancer

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Published on Friday, 05 August 2016

Abstract

Melatonin is considered to be a mysterious substance in human body which is secreted by pineal gland in night mainly and has a variety of physiological functions and plays significant role in the pathophysiology of many diseases.

Apart from its own antioxidative effect melatonin also intensifies the activity of endogenous antioxidative enzymes, which collectively potentiate cytoprotective and free radical scavenging activities.

Melatonin may play a protective role against oxidation disorders of cerebral nerve cells during nocturnal sleep as it easily crosses blood brain barrier.

Melatonin acts as a radical free scavenger and has indirect actions to detoxify carcinogens by activating the glutathione and antioxidative pathways, protecting the cells from DNA damage and also by repairing the DNA if certain damage has occurred.

It is well documented that melatonin has cytoprotective and free radical scavenger activities therefore present review study is an attempt to link the mechanism of inhibition of initiation and progression of cancer by melatonin within human body.

 

NOTE: This publication cites (Ref. N.8): Di Bella G., Mascia F., Gualano L., Di Bella L. - Melatonin anticancer effect: review. Int J Mol Sci. 2013;14:2410–2430.

 



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