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Mechanisms Involved in the Pro-Apoptotic Effect of Melatonin in Cancer Cells
Department of Morphology and Cell Biology, Faculty of Medicine, University of Oviedo, c/Julian Claveria 6, 33006 Oviedo, Spain
Oncology Institute of Asturias, University of Oviedo, 33006 Oviedo, Spain
Institute of Molecular Medicine, Faculty of Medicine, University of Lisboa, Professor Egas Moniz Avenue, 1649-028 Lisboa, Portugal
* Author to whom correspondence should be addressed.
Received: 5 March 2013; in revised form: 18 March 2013 / Accepted: 20 March 2013 / Published: 25 March 2013
Abstract: It is well established that melatonin exerts antitumoral effects in many cancer types, mostly decreasing cell proliferation at low concentrations. On the other hand, induction of apoptosis by melatonin has been described in the last few years in some particular cancer types. The cytotoxic effect occurs after its administration at high concentrations, and the molecular pathways involved have been only partially determined. Moreover, a synergistic effect has been found in several cancer types when it is administered in combination with chemotherapeutic agents. In the present review, we will summarize published work on the pro-apoptotic effect of melatonin in cancer cells and the reported mechanisms involved in such action. We will also construct a hypothesis on how different cell signaling pathways may relate each other on account for such effect.
Keywords: melatonin; cancer cells; apoptosis; ROS
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MDPI and ACS Style
Rodriguez, C.; Martín, V.; Herrera, F.; García-Santos, G.; Rodriguez-Blanco, J.; Casado-Zapico, S.; Sánchez-Sánchez, A.M.; Suárez, S.; Puente-Moncada, N.; Anítua, M.J.; Antolín, I. Mechanisms Involved in the Pro-Apoptotic Effect of Melatonin in Cancer Cells. Int. J. Mol. Sci. 2013, 14, 6597-6613.
Rodriguez C, Martín V, Herrera F, García-Santos G, Rodriguez-Blanco J, Casado-Zapico S, Sánchez-Sánchez AM, Suárez S, Puente-Moncada N, Anítua MJ, Antolín I. Mechanisms Involved in the Pro-Apoptotic Effect of Melatonin in Cancer Cells. International Journal of Molecular Sciences. 2013; 14(4):6597-6613.
Rodriguez, Carmen; Martín, Vanesa; Herrera, Federico; García-Santos, Guillermo; Rodriguez-Blanco, Jezabel; Casado-Zapico, Sara; Sánchez-Sánchez, Ana M.; Suárez, Santos; Puente-Moncada, Noelia; Anítua, María J.; Antolín, Isaac. 2013. "Mechanisms Involved in the Pro-Apoptotic Effect of Melatonin in Cancer Cells." Int. J. Mol. Sci. 14, no. 4: 6597-6613.