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Longitudinal drug synergy assessment using convolutional neural network image-decoding of glioblastoma single-spheroid cultures
Abstract
Abstract Background In recent years, drug combinations have become increasingly popular to improve therapeutic outcomes in various diseases, including difficult to cure cancers such as the brain cancer glioblastoma. Assessing the interaction between drugs over time is critical for predicting drug combination effectiveness and minimizing the risk of therapy resistance. However, as viability readouts of drug combination experiments are commonly performed as an endpoint where cells are lysed, longitudinal drug-interaction monitoring is currently only possible through combined endpoint assays. Methods We provide a method for massive parallel monitoring of drug interactions for 16 drug combinations in three glioblastoma models over a time frame of 18 days. In our assay, viabilities of single neurospheres are to be estimated based on image information taken at different time points. Neurosphere images taken at the final day (day 18) were matched to the respective viability measured by CellTiter-Glo 3D at the same day. This allowed to use machine learning to decode image information to viability values at day 18 as well as for the earlier time points (at day 8, 11, 15). Results Our study shows that neurosphere images allow to predict cell viability from extrapolated viabilities. This enables to assess the drug interactions in a time-window of 18 days. Our results show a clear and persistent synergistic interaction for several drug combinations over time. Conclusions Our method facilitates longitudinal drug-interaction assessment, providing new insights into the temporal-dynamic effects of drug combinations in 3D neurospheres which can help to identify more effective therapies against glioblastoma.
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Authors (10)
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Megan Houweling
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U Kulsoom Abdul
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Noa Faaij
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Laurine Wedekind
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David Noske
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Thomas Würdinger prof.
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Anna Supernat dr
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Bart Westerman
Cite as
Full text
- Publication version
- Accepted or Published Version
- DOI:
- Digital Object Identifier (open in new tab) 10.1093/noajnl/vdad134
- License
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Keywords
Details
- Category:
- Articles
- Type:
- artykuły w czasopismach
- Published in:
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Neuro-Oncology Advances
no. 5,
pages 1 - 11,
ISSN: - Language:
- English
- Publication year:
- 2023
- Bibliographic description:
- Giczewska A., Pastuszak K., Houweling M., Abdul U. K., Faaij N., Wedekind L., Noske D., Würdinger T., Supernat A., Westerman B.: Longitudinal drug synergy assessment using convolutional neural network image-decoding of glioblastoma single-spheroid cultures// Neuro-Oncology Advances -Vol. 5,iss. 1 (2023), s.1-11
- DOI:
- Digital Object Identifier (open in new tab) 10.1093/noajnl/vdad134
- Sources of funding:
-
- COST_FREE
- Verified by:
- Gdańsk University of Technology
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