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Updated: May 28, 2025

Author Spotlight: Modeling Brain Tumors In Vivo Using Electroporation-Based Delivery of Plasmid DNA Representing Patient Mutation Signatures
Published on: June 23, 2023
Opportunities and challenges for patient-derived models of brain tumors in functional precision medicine
Breanna Mann1,2, Nichole Artz3, Rami Darawsheh1
1Eshelman School of Pharmacy, Division of Pharmacoengineering and Molecular Pharmaceutics, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA.
Abstract:
Here, we review a growing paradigm shift from genomics-based precision medicine toward functional precision medicine, which evaluates therapeutic efficacy by directly treating living patient tumors ex vivo to better predict patient-specific responses to treatment. We discuss several classes of patient-derived models of central nervous system tumors, highlighting unique features of each. Each class of models holds promise to improve treatment selection, prolong survival, and enhance patient outcomes.
Insights
Functional precision medicine moves beyond genomics to test treatments on living patient tumors ex vivo. This approach, using patient-derived models of brain tumors, aims to predict individual responses and improve cancer treatment outcomes.
Area of Science:
- Oncology
- Translational Medicine
- Genomics
Background:
- Precision medicine traditionally relies on genomic data for treatment selection.
- Genomic approaches have limitations in predicting individual patient responses to therapies.
- A paradigm shift towards functional precision medicine is emerging.
Purpose of the Study:
- To review the shift from genomics-based to functional precision medicine.
- To discuss patient-derived models for central nervous system tumors.
- To highlight the potential of these models in predicting treatment efficacy.
Main Methods:
- Review of current literature on precision medicine and patient-derived models.
- Discussion of various classes of patient-derived models for central nervous system tumors.
- Analysis of the unique features and applications of each model class.
Main Results:
- Functional precision medicine evaluates therapeutic efficacy by directly treating ex vivo patient tumors.
- Patient-derived models offer a platform for predicting patient-specific treatment responses.
- Different classes of patient-derived models possess distinct advantages for CNS tumor research.
Conclusions:
- Functional precision medicine offers a promising approach to personalize cancer treatment.
- Patient-derived models are crucial tools for advancing functional precision medicine.
- This approach has the potential to improve treatment selection, prolong survival, and enhance patient outcomes in CNS tumors.
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