Journal
CELLULAR AND MOLECULAR LIFE SCIENCES
Volume 70, Issue 12, Pages 2139-2157Publisher
SPRINGER BASEL AG
DOI: 10.1007/s00018-012-1161-8
Keywords
Melatonin; Breast cancer; Epigenetic effects; Apoptosis; Growth inhibition; Cell morphology
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Melatonin is involved in many physiological functions and it plays an important role in many pathological processes as well. Melatonin has been shown to reduce the incidence of experimentally induced cancers and can significantly inhibit the growth of some human tumors, namely hormone-dependent cancers. The anticancer effects of melatonin have been observed in breast cancer, both in in vivo with models of chemically induced rat mammary tumors, and in vitro studies on human breast cancer cell lines. Melatonin acts at different physiological levels and its antitumoral properties are supported by a set of complex, different mechanisms of action, involving apoptosis activation, inhibition of proliferation, and cell differentiation.
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