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Melatonin Avoids Anatomofunctional Changes Associated to Aging in a Rat Model

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DOI: 10.4236/aar.2014.34041    3,904 Downloads   4,681 Views   Citations


Melatonin is a hormone synthesized and released primarily by the pineal gland. Its secretion fol-lows a circadian rhythm with a peak overnight. Its secretion is initiated approximately to the three months of age and continues to rise during the childhood. Previous to the puberty there is a de-crease of melatonin secretion that continues until the old age. Melatonin has effects in the body and acts through at least four mechanisms: membrane receptors, orphan nuclear receptors, calmodulin and free radicals. It has been suggested that aging can be a consequence of the oxidation of cells that eventually become vulnerable to injury and die. This work reviews the antioxidant effects of melatonin in a rodent model, on the formation of free radicals, on the MAP2 protein expression and on the electrophysiology of the hippocampus at different ages. The results indicate that melatonin maintains in a “best” state to the experimental animals compared to controls. It suggests the use of melatonin as a therapy to prevent or delay the aging effects on the cells.

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The authors declare no conflicts of interest.

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Gómez, B. , Reyes-Vázquez, C. and Velázquez-Paniagua, M. (2014) Melatonin Avoids Anatomofunctional Changes Associated to Aging in a Rat Model. Advances in Aging Research, 3, 318-325. doi: 10.4236/aar.2014.34041.


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