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  • ISSN 1674-8301
  • CN 32-1810/R
Volume 27 Issue 1
Dec.  2012
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Yan Li, Yi Jiang, Yicong Wan, Lin Zhang, Weiwei Tang, Jingjing Ma, Shan Wu, Wenjun Cheng. Medroxyprogestogen enhances apoptosis of SKOV-3 cells via inhibition of the PI3K/Akt signaling pathway[J]. The Journal of Biomedical Research, 2013, 27(1): 43-50. DOI: 10.7555/JBR.27.20120051
Citation: Yan Li, Yi Jiang, Yicong Wan, Lin Zhang, Weiwei Tang, Jingjing Ma, Shan Wu, Wenjun Cheng. Medroxyprogestogen enhances apoptosis of SKOV-3 cells via inhibition of the PI3K/Akt signaling pathway[J]. The Journal of Biomedical Research, 2013, 27(1): 43-50. DOI: 10.7555/JBR.27.20120051
shu

Medroxyprogestogen enhances apoptosis of SKOV-3 cells via inhibition of the PI3K/Akt signaling pathway

  • 1.

    Department of Gynecology and Obstetrics, the First Clinical Medical College, Nanjing Medical University, Nanjing, Jiangsu 210029, China

  • 2.

    Department of Gynecology, the First Affiliated Hospital, Nanjing Medical University, Nanjing, Jiangsu 210029, China

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This work was supported in part by the National Natural Science Foundation of China (No. 30772332), Jiangsu Province Health Department Program Grant (No. H200617), and Jiangsu Province Six Summit Talent Foundation (No. 303070774IB09).

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  • Received Date: July 29, 2011
    Graphical Abstract
    • Abstract
  • We sought to assess the effect of progestin on the apoptosis of epithelial ovarian cancer cell line SKOV-3 and via regulation of phosphorylation signaling in. Epithelial ovarian cancer cell line SKOV-3 was treated with me-droxyprogestogen, phosphatidylinositol 3-kinase inhibitor LY294002 and vehicle control. Akt, phospho-Akt, Bcl-2 and phospho-Bad proteins were examined by immunoblotting assays. Medroxyprogestogen-induced apoptosis was assessed by MTT assays and Annexin V apoptosis assay. We found no significant difference in Akt and Bad expression in both the medroxyprogestogen groups and the control group. The levels of phospho-Akt, Bcl-2 and phospho-Bad were decreased in all the medroxyprogestogen groups and significantly decreased in the high dose mitogen-activated protein (MAP) group (10 μmol/L). Viability of SKOV-3 was reduced and apparent apoptosis of SKOV-3 cells was observed with increased doses of MAP. The findings suggest that medroxyprogestogen can induce SKOV-3 cell apoptosis by inhibiting Akt phosphorylation.
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