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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Wang, Long Liu, Xueqin Ma, Hongyun Fan, Yang Han, Xuechuan |
| Description | Author Affiliation: Fan Y ( Department of Obstetrics and Gynecology, Ningxia People's Hospital, Yinchuan, Ningxia 750000, P.R. China.); Wang L ( Department of Stomatology, Ningxia Medical University, Yinchuan, Ningxia 750004, P.R. China.); Han X ( Department of Obstetrics and Gynecology, Ningxia People's Hospital, Yinchuan, Ningxia 750000, P.R. China.); Liu X ( Department of Obstetrics and Gynecology, Ningxia People's Hospital, Yinchuan, Ningxia 750000, P.R. China.); Ma H ( Department of Obstetrics and Gynecology, Ningxia People's Hospital, Yinchuan, Ningxia 750000, P.R. China.) |
| Abstract | Rab25, a member of the Rab family of small guanosine triphosphatase, was reported to have an essential role in the development of human epithelial ovarian cancer. The present study demonstrated that Rab25 mediated the sensitivity of ovarian cancer to cisplatin, a firstline chemotherapeutic agent for the treatment of ovarian cancer in the clinic. Overexpression of Rab25 and increased phosphoinositide 3kinase (PI3K)/AKT signaling were detected in cisplatinresistant SKOV3 cells compared with those in cisplatinsensitive ES2 cells. The results of the present study indicated that cisplatin resistance was primarily due to reduced G1 cell cycle arrest following cisplatin treatment in SKOV3 cells. By contrast, the corresponding phenomenon was not observed following treatment with a Rab25specific small interfering RNA or treatment with the PI3K/AKT inhibitor LY294002. Of note, inhibition of the PI3K/AKT pathway reduced Rab25 gene expression and sensitized SKOV3 cells to cisplatin. Furthermore, knockdown of Rab25 showed an effect comparable with blocking the PI3K/AKT pathway. In conclusion, the results of the present study demonstrated that PI3K/AKT and Rab25 significantly contributed to cisplatin resistance in human epithelial ovarian cancer; in addition, silencing Rab25 or inhibiting the PI3K/AKT pathway markedly increased the sensitivity of these cells to cisplatin. |
| ISSN | 17912997 |
| e-ISSN | 17913004 |
| Journal | Molecular Medicine Reports |
| Issue Number | 3 |
| Volume Number | 11 |
| Language | English |
| Publisher | Spandidos Publications |
| Publisher Date | 2015-03-01 |
| Publisher Place | Greece |
| Access Restriction | Open |
| Subject Keyword | Drug Resistance, Neoplasm Genetics Neoplasms, Glandular And Epithelial Metabolism Ovarian Neoplasms Phosphatidylinositol 3-kinases Proto-oncogene Proteins C-akt Rab Gtp-binding Proteins Antineoplastic Agents Pharmacology Apoptosis Drug Effects Cell Line, Tumor Cisplatin G1 Phase Cell Cycle Checkpoints Gene Expression Gene Knockdown Techniques Rna, Small Interfering Signal Transduction Research Support, Non-u.s. Gov't Discipline Molecular Biology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Genetics Biochemistry Molecular Biology Cancer Research Molecular Medicine Oncology |
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