Breast cancer is the most common cancer among women and its metastasis which generally observed at the last stage is the major cause of breast cancer-related death. Therefore, the agents that have the potential to prevent metastatic and invasive nature of breast cancer can open up new therapeutic strategies. Melatonin, a major hormone of pineal gland, is a powerful anti-cancer agent. There are growing evidence regarding the protective effect of melatonin against cancer invasion and metastasis. The anti-metastatic feature of melatonin accompanies with suppression of tumor proliferation, induction of tumor apoptosis, regulation of the cell cycle, modulating angiogenesis, impediment of invasion, and induction of cancer cells sensitivity to the chemotherapy agents. More recently, anti-metastatic effect of melatonin through affecting cancer stem cells and vascular mimicry has been identified. Thus, the aim of this review is to discuss the potential therapeutic effect of melatonin on breast cancer via modulating the cells invasion and metastasis.

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Pathology Research and Practice

Maroufi, N.F., Ashouri, N., Mortezania, Z., Ashoori, Z., Vahedian, V., Amirzadeh-Iranaq, M.T., … Nouri, M. (2020). The potential therapeutic effects of melatonin on breast cancer: An invasion and metastasis inhibitor. Pathology Research and Practice, 216(10). doi:10.1016/j.prp.2020.153226