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Article

Microphthalmia-Associated Transcription Factor-Dependent Melanoma Cell Adhesion Molecule Activation Promotes Peritoneal Metastasis of Ovarian Cancer

1
Department of Obstetrics and Gynecology, Nagoya University Graduate School of Medicine, 65 Tsuruma-cho, Showa-ku, Nagoya 466-8550, Japan
2
Bell Research Center, Department of Obstetrics and Gynecology Collaborative Research, Nagoya University Graduate School of Medicine, 65 Tsuruma-cho, Showa-ku, Nagoya 466-8550, Japan
3
Spemann Graduate School of Biology and Medicine, University of Freiburg, Albertstr. 19A, 79104 Freiburg, Germany
4
Faculty of Medicine, Lund University, Sölvegatan 19, 22184 Lund, Sweden
*
Authors to whom correspondence should be addressed.
These authors contributed equally.
Int. J. Mol. Sci. 2020, 21(24), 9776; https://doi.org/10.3390/ijms21249776
Received: 27 November 2020 / Revised: 17 December 2020 / Accepted: 18 December 2020 / Published: 21 December 2020
Ovarian cancer (OvCa) is one of the leading causes of death due to its high metastasis rate to the peritoneum. Recurrent peritoneal tumors also develop despite the use of conventional platinum-based chemotherapies. Therefore, it is still important to explore the factors associated with peritoneal metastasis, as these predict the prognosis of patients with OvCa. In this study, we investigated the function of microphthalmia-associated transcription factor (MITF), which contributes to the development of melanoma, in epithelial ovarian cancer (OvCa). High MITF expression was significantly associated with a poor prognosis in OvCa. Notably, MITF contributed to the motility and invasion of OvCa cells, and specifically with their peri-mesothelial migration. In addition, MITF-positive cells expressed the melanoma cell adhesion molecule (MCAM/CD146), which was initially identified as a marker of melanoma progression and metastasis, and MCAM expression was regulated by MITF. MCAM was also identified as a significant prognostic factor for poor progression-free survival in patients with OvCa. Collectively, our results suggest that MITF is a novel therapeutic target that potentially promotes peritoneal metastasis of OvCa. View Full-Text
Keywords: MITF; MCAM; CD146; ovarian cancer; metastasis; invasion; migration; mesothelial; EMT MITF; MCAM; CD146; ovarian cancer; metastasis; invasion; migration; mesothelial; EMT
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MDPI and ACS Style

Kitami, K.; Yoshihara, M.; Koya, Y.; Sugiyama, M.; Iyoshi, S.; Uno, K.; Mogi, K.; Tano, S.; Fujimoto, H.; Nawa, A.; Kikkawa, F.; Kajiyama, H. Microphthalmia-Associated Transcription Factor-Dependent Melanoma Cell Adhesion Molecule Activation Promotes Peritoneal Metastasis of Ovarian Cancer. Int. J. Mol. Sci. 2020, 21, 9776. https://doi.org/10.3390/ijms21249776

AMA Style

Kitami K, Yoshihara M, Koya Y, Sugiyama M, Iyoshi S, Uno K, Mogi K, Tano S, Fujimoto H, Nawa A, Kikkawa F, Kajiyama H. Microphthalmia-Associated Transcription Factor-Dependent Melanoma Cell Adhesion Molecule Activation Promotes Peritoneal Metastasis of Ovarian Cancer. International Journal of Molecular Sciences. 2020; 21(24):9776. https://doi.org/10.3390/ijms21249776

Chicago/Turabian Style

Kitami, Kazuhisa; Yoshihara, Masato; Koya, Yoshihiro; Sugiyama, Mai; Iyoshi, Shohei; Uno, Kaname; Mogi, Kazumasa; Tano, Sho; Fujimoto, Hiroki; Nawa, Akihiro; Kikkawa, Fumitaka; Kajiyama, Hiroaki. 2020. "Microphthalmia-Associated Transcription Factor-Dependent Melanoma Cell Adhesion Molecule Activation Promotes Peritoneal Metastasis of Ovarian Cancer" Int. J. Mol. Sci. 21, no. 24: 9776. https://doi.org/10.3390/ijms21249776

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