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  • Title: Kisspeptin-10 inhibits the migration of breast cancer cells by regulating epithelial-mesenchymal transition.
    Author: Song GQ, Zhao Y.
    Journal: Oncol Rep; 2015 Feb; 33(2):669-74. PubMed ID: 25420482.
    Abstract:
    Breast cancer is the leading cause of cancer-related death in women. Kisspeptin-10 (KP-10) is a shorter fragment of KISS1. In the present study, we demonstrated the antitumor effects of KP-10 on human breast cancer cell lines, MDA-MB-231 and MDA-MB-157, both in vitro and in vivo. KP-10 was observed to induce apoptosis and inhibit the mobility of MDA-MB-231 and MDA-MB-157 cells. Correspondingly, KP-10 suppressed tumor growth in established xenograft tumor models and improved the survival rate of tumor-bearing mice. The formation of intratumoral microvessels was inhibited following treatment with KP-10. Finally, we confirmed that KP-10 inhibited cell mobility via epithelial-mesenchymal transition (EMT). Overall, the present study demonstrated that KP-10 suppressed breast cancer and human umbilical vein endothelial cell (HUVEC) growth both in vivo and in vitro. KP-10 is a novel regulator of EMT in breast cancer cells. However, additional studies are needed to confirm these results in other cell types.
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