Jornal de Ciência e Terapia Celular
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Melatonin: Antiproliferative Actions and Protection of Normal Tissue and Enhancement of Radiosensitivity of Breast Cancer Cells

Carlos Martínez Campa, Carolina Alonso-González, Alicia González, Alicia González-González, Javier Menéndez-Menéndez and Samuel Cos

Melatonin is a small indolamine produced in mammals by the pineal gland, which regulates the sleep-wake cycle in humans, transducing the changes of environmental lightning into a darkness production of melatonin. This hormone has several mechanisms of action involving receptor-dependent and receptor-independent functions. Among these last actions, we can cite melatonin´s ability to protect the cells from oxidative stress under ischemia, drug toxicity and ionizing radiation