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| Content Provider | PubMed Central |
|---|---|
| Author | Zhang, Lin Li, Hong Ge, Chao Li, Meng Zhao, Fang-yu Hou, He-lei Zhu, Miao-xin Tian, Hua Zhang, Li-xing Chen, Tao-yang Jiang, Guo-ping Xie, Hai-yang Cui, Ying Yao, Ming Li, Jin-jun |
| Copyright Year | 2014 |
| Abstract | CD133 is a cellular surface glycoprotein that has been reported as a marker for the enrichment of cancer stem cells (CSCs). However, the regulatory mechanism of CD133 remains unknown. CSCs have been proposed to contribute to radioresistance and multi-drug resistance. The elucidation of key regulators of CD133 and CSCs is critical for the development of CSC-targeted therapy. In this study, we showed that Ikarosinhibited the expression of CD133 via direct binding to the CD133 P1 promoter and repressed the tumorigenic and self-renewal capacity of CD133+ cancer stem-like cells in hepatocellular carcinoma (HCC). We found that Ikaros interacted with CtBP as a transcription repressor complex, which inhibited CD133 expression in HCC. We also demonstrated that Ikaros expression was up-regulated by ETS1 which activity was regulated by MAPKs pathway. Furthermore, decreased expression of Ikaroswas significantly associated with poor survival in HCC patients. Overall, our study identifies that Ikaros plays a role as a transcription repressor in HCC and is a new reactivated therapeutic target for the treatment of HCC. Meanwhile, our findings provide evidence that Ikaros could be an attractive inhibitor of the target gene CD133, which reactivates anticancer mechanisms in targeted CSC therapy. |
| Ending Page | 10635 |
| Starting Page | 10621 |
| File Format | |
| ISSN | 19492553 |
| e-ISSN | 19492553 |
| Journal | Oncotarget |
| Issue Number | 21 |
| Volume Number | 5 |
| Language | English |
| Publisher | Impact Journals LLC |
| Publisher Date | 2014-09-25 |
| Access Restriction | Open |
| Rights Holder | Impact Journals LLC |
| Subject Keyword | Research in Higher Education |
| Content Type | Text |
| Resource Type | Article |
| Subject | Oncology |
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