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KMID : 1101420200520010062
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Korean Journal of Clinical Laboratory Science
2020 Volume.52 No. 1 p.62 ~ p.68
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Cisplatin Suppresses Proliferation of Ovarian Cancer Cells through Inhibition Akt and Modulation MAPK Pathways
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Choi Jae-Sun
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Abstract
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Cisplatin (CDDP) is a chemotherapy agent used for patients with ovarian cancers. CDDP activates multiple signaling pathways, which causes various cellular reactions according to the type of cancer cells. Therefore, it is difficult to clearly conclude its signaling pathways. The purpose of this study is to determine the role of the signal protein of Akt/ERK1/2 and MAPK by CDDP-induced apoptosis in ovarian cancer cells (SKOV3). As a result, the number of apoptosis increased according to the TUNEL assay, and flow cytometric analysis confirmed that the percentage of sub-G1 early apoptosis was 8.73% higher than the control. The PARP and caspase-3 activity that appeared in the process of apoptosis was increased and the Bcl-2 expression was decreased. It was verified that the Akt and ERK1/2 activity was decreased, and p38 and JNK activity increased in a time dependent fashion. In conclusion, these results demonstrate that cisplatin inhibits the proliferation of ovarian cancer cells by inhibiting Akt activity and induces apoptosis by modulating the MAPK signaling pathway. However, a decrease in the ERK1/2 activity by CDDP was the opposite result to the result shown from the HeLa cells. For this reason, further research on signaling pathways is necessary. These results are expected to be useful for ovarian cancer treatment strategies targeting the MAPK pathway.
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KEYWORD
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Akt, Apoptosis, Cisplatin, MAPK, Ovarian cancer
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