Identification and characterisation of NANOG+/ OCT-4<sup>high</sup>/SOX2+ doxorubicin-resistant stem-like cells from transformed trophoblastic cell lines
Journal article
| Authors | Balahmar, Reham M., Boocock, David J., Coveney, Clare, Ray, Sankalita, Vadakekolathu, Jayakumar, Regad, Tarik, Ali, Selman and Sivasubramaniam, Shiva |
|---|---|
| Abstract | Treatment of gestational trophoblastic diseases (GTD) involves surgery, radiotherapy and chemotherapy. Although, these therapeutic approaches are highly successful, drug resistance and toxicity remain a concern for high risk patients. This Chemoresistance has also been observed in the presence of cancer stem cells that are thought to be responsible for cases of cancer recurrence. In this study, we report the presence of previously unknown populations of trophoblastic stem-like cells (SLCs) that are resistant to the chemotherapeutic drug doxorubicin. We demonstrate that these populations express the stem cell markers NANOG and Sox2 and higher levels of OCT-4 (NANOG+/OCT-4high/SOX2+). Although chemoresistant, we show that the invasive capacity of these trophoblastic SLCs is significantly inhibited by doxorubicin treatment. To better characterise these populations, we also identified cellular pathways that are involved in SLCs-chemoresistance to doxorubicin. In summary, we provide evidence of the presence of NANOG+/OCT-4+/SOX2+ trophoblastic SLCs that are capable to contribute to the susceptibility to GTD and that may be involved in Chemoresistance associated with drug resistance and recurrence in high risk GTDs’ patients. We propose that targeting these populations could be therapeutically exploited for clinical benefit. |
Treatment of gestational trophoblastic diseases (GTD) involves surgery, radiotherapy and chemotherapy. Although, these therapeutic approaches are highly successful, drug resistance and toxicity remain a concern for high risk patients. This Chemoresistance has also been observed in the presence of cancer stem cells that are thought to be responsible for cases of cancer recurrence. In this study, we report the presence of previously unknown populations of trophoblastic stem-like cells (SLCs) that are resistant to the chemotherapeutic drug doxorubicin. We demonstrate that these populations express the stem cell markers NANOG and Sox2 and higher levels | |
| Keywords | trophoblast; stem-like cells (SLCs); doxorubicin; embryonic stem cells (ESCs); chemoresistance |
| Year | 2018 |
| Journal | Oncotarget |
| Publisher | Impact Journals |
| ISSN | 1949-2553 |
| Digital Object Identifier (DOI) | https://doi.org/10.18632/oncotarget.24151 |
| Web address (URL) | http://hdl.handle.net/10545/623288 |
| hdl:10545/623288 | |
| Publication dates | 11 Jan 2018 |
| Publication process dates | |
| Deposited | 14 Jan 2019, 14:28 |
| Accepted | 02 Jan 2018 |
| Rights | Archived with thanks to Oncotarget |
| Contributors | Nottingham Trent University |
| File | File Access Level Open |
| File | File Access Level Open |
https://repository.derby.ac.uk/item/93245/identification-and-characterisation-of-nanog-oct-4-sup-high-sup-sox2-doxorubicin-resistant-stem-like-cells-from-transformed-trophoblastic-cell-lines
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