Abstract
CD133 is a cancer stem-cell (CSC) marker associated with radioresistance and chemoresistance in various cancers. In the present study, CD133-expressing liver cancer cells following radiation exposure showed higher activation of MAPK/PI3K signaling pathway and reduction in reactive oxygen species levels compared to CD133 - cells. The in vivo study with a xenograft model showed increased tumor formation in irradiated CD133 + cell-injected nude mice compared to the CD133 - group, suggesting that CD133 contributes to radioresistance in HCC. Therefore, CD133-expressing liver cancer cells have anti-apoptotic and radioresistance properties that may be useful to improve anti-cancer treatments, including chemotherapy/radiotherapy of HCC.
| Original language | English |
|---|---|
| Pages (from-to) | 129-137 |
| Number of pages | 9 |
| Journal | Cancer Letters |
| Volume | 315 |
| Issue number | 2 |
| DOIs | |
| State | Published - 28 Feb 2012 |
Bibliographical note
Funding Information:This work was funded by the Nuclear R&D Program of the Ministry of Science and Technology, the Republic of Korea (No. 2010-0017595 ) and the National Research Foundation of Korea (NRF) grant funded by the Korea government (MEST) (No. 2011-0027071 ).
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 3 Good Health and Well-being
Keywords
- CD133
- Cancer stem cell
- Hepatocellular carcinoma
- Microarray
- Radioresistance
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