| Autor: |
Erlend Skaga, Evgeny Kulesskiy, Swapnil Potdar, Ioannis Panagopoulos, Francesca Micci, Iver A. Langmoen, Cecilie J. Sandberg, Einar O. Vik-Mo |
| Jazyk: |
angličtina |
| Rok vydání: |
2022 |
| Předmět: |
|
| Zdroj: |
Translational Oncology, Vol 26, Iss , Pp 101535- (2022) |
| Druh dokumentu: |
article |
| ISSN: |
1936-5233 |
| DOI: |
10.1016/j.tranon.2022.101535 |
| Popis: |
Serum-free culturing of patient-derived glioblastoma biopsies enrich for glioblastoma stem cells (GSCs) and is recognized as a disease-relevant model system in glioblastoma (GBM). We hypothesized that the temozolomide (TMZ) drug sensitivity of patient-derived GSC cultures correlates to clinical sensitivity patterns and has clinical predictive value in a cohort of GBM patients. To this aim, we established 51 individual GSC cultures from surgical biopsies from both treatment-naïve primary and pretreated recurrent GBM patients. The cultures were evaluated for sensitivity to TMZ over a dosing range achievable in normal clinical practice. Drug efficacy was quantified by the drug sensitivity score. MGMT-methylation status was investigated by pyrosequencing. Correlative, contingency, and survival analyses were performed for associations between experimental and clinical data. We found a heterogeneous response to temozolomide in the GSC culture cohort. There were significant differences in the sensitivity to TMZ between the newly diagnosed and the TMZ-treated recurrent disease (p |
| Databáze: |
Directory of Open Access Journals |
| Externí odkaz: |
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