Abstract
A previous report demonstrated that AP-2α favors the survival of ovarian cancer patients by clinical findings. However, the functional roles of AP-2α in human ovarian cancers have not been determined. To clarify the roles, we overexpressed AP-2α in SKOV3 human ovarian cancer cells, which originally possess little AP-2α. AP-2α overexpression changed cell morphology from spindle to epithelioid type and suppressed cell proliferation and invasion, which would be partially correlated with decreased phosphorylation levels of the erbB2, Akt and ERK pathways, increased E-cadherin and reduced pro-matrix metalloproteinase-2 levels. Moreover, nude mice intraperitoneally injected with AP-2α-overexpressing cells survived longer than those with neo-transfected cells. The present data represent the first direct evidence that AP-2α plays a tumor suppressive role in ovarian cancer.
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Acknowledgements
This study was partly supported by Grants-in-Aid from the Ministry of Education, Culture, Sports, Science and Technology of Japan, from R01CA053475, and from the Ministry of Public Management, Home Affairs, Posts and Telecommunications of Japan for specific medical research (in collaboration with Nagoya Teishin Hospital).
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Sumigama, S., Ito, T., Kajiyama, H. et al. Suppression of invasion and peritoneal carcinomatosis of ovarian cancer cells by overexpression of AP-2α. Oncogene 23, 5496–5504 (2004). https://doi.org/10.1038/sj.onc.1207723
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DOI: https://doi.org/10.1038/sj.onc.1207723
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