Patient-derived xenografts from circulating cancer stem cells as a preclinical model for personalized pancreatic cancer research
Patient-derived xenografts (PDXs) provide biologically relevant models and potential platforms for the development of treatment strategies for precision medicine in pancreatic cancer. Furthermore, circulating epithelial tumor cells (CETCs/CTCs) are released into the bloodstream by solid tumors and a...
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| Hauptverfasser: | , , , , , , , , , , , , , , , , , |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
23 January 2025
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| In: |
Scientific reports
Year: 2025, Jahrgang: 15, Pages: 1-13 |
| ISSN: | 2045-2322 |
| DOI: | 10.1038/s41598-025-87054-z |
| Online-Zugang: | Verlag, kostenfrei, Volltext: https://doi.org/10.1038/s41598-025-87054-z Verlag, kostenfrei, Volltext: http://www.nature.com/articles/s41598-025-87054-z 
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| Verfasserangaben: | Benedikt J. Wagner, Andreas Ettner-Sitter, Nicolas A. Ihlo, Merle Behr, Sebastian Koelbl, Stefan M. Brunner, Florian Weber, Bettina M. Rau, Hans J. Schlitt, Christoph Brochhausen, Rebecca Schoenmehl, Annalena Artinger, Dorothea Schott, Monika Pizon, Katharina Pachmann, Thiha Aung, Silke Haerteis & Christina Hackl |
MARC
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| 245 | 1 | 0 | |a Patient-derived xenografts from circulating cancer stem cells as a preclinical model for personalized pancreatic cancer research |c Benedikt J. Wagner, Andreas Ettner-Sitter, Nicolas A. Ihlo, Merle Behr, Sebastian Koelbl, Stefan M. Brunner, Florian Weber, Bettina M. Rau, Hans J. Schlitt, Christoph Brochhausen, Rebecca Schoenmehl, Annalena Artinger, Dorothea Schott, Monika Pizon, Katharina Pachmann, Thiha Aung, Silke Haerteis & Christina Hackl |
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| 520 | |a Patient-derived xenografts (PDXs) provide biologically relevant models and potential platforms for the development of treatment strategies for precision medicine in pancreatic cancer. Furthermore, circulating epithelial tumor cells (CETCs/CTCs) are released into the bloodstream by solid tumors and a rare subpopulation—circulating cancer stem cells (cCSCs) - is considered to be responsible for recurrence and plays a key role in metastasis. For the identification of cCSCs, an innovative in vitro assay to generate tumorspheres was established in this study. The number of tumorspheres and CETCs/CTCs was analyzed perioperatively in 25 pancreatic cancer patients. Additionally, an individual in vivo chorioallantoic membrane (CAM) culture system was used to generate PDXs from these tumorspheres. While overall correlations of CETCs/CTCs with clinicopathological parameters did not reach statistical significance, a significant difference in the number of tumorspheres was observed between patient subgroups with lower and higher UICC stages. This finding underscores their potential as biomarkers, providing valuable insights into clinical decision-making and tumor progression. The application of tumorspheres on the CAM successfully established PDXs within 7 days. These xenografts closely resembled the histological features of the primary tumor. Hence, this model represents a novel and fast option for individualized testing of new therapies for PDAC. | ||
| 650 | 4 | |a Cancer stem cells | |
| 650 | 4 | |a Cancer therapy | |
| 650 | 4 | |a Pancreatic cancer | |
| 650 | 4 | |a Stem-cell research | |
| 650 | 4 | |a Tumour biomarkers | |
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