In vivo modeling of malignant glioma: the road to effective therapy
Timothy P Kegelman1, Bin Hu1, Luni Emdad2
1Department of Human and Molecular Genetics, Virginia Commonwealth University, School of Medicine, Richmond, Virginia, USA.
Abstract:
Despite an increased emphasis on developing new therapies for malignant gliomas, they remain among the most intractable tumors faced today as they demonstrate a remarkable ability to evade current treatment strategies. Numerous candidate treatments fail at late stages, often after showing promising preclinical results. This disconnect highlights the continued need for improved animal models of glioma, which can be used to both screen potential targets and authentically recapitulate the human condition. This review examines recent developments in the animal modeling of glioma, from more established rat models to intriguing new systems using Drosophila and zebrafish that set the stage for higher throughput studies of potentially useful targets. It also addresses the versatility of mouse modeling using newly developed techniques recreating human protocols and sophisticated genetically engineered approaches that aim to characterize the biology of gliomagenesis. The use of these and future models will elucidate both new targets and effective combination therapies that will impact on disease management.
Insights
Developing better animal models is crucial for advancing malignant glioma treatments. New models in rats, mice, Drosophila, and zebrafish offer improved screening and recapitulation of human glioma, aiding target discovery and therapy development.
Area of Science:
- Neuro-oncology
- Comparative Medicine
- Translational Research
Background:
- Malignant gliomas are highly treatment-resistant brain tumors.
- Many promising preclinical therapies fail in clinical trials due to poor translation.
- There is a critical need for more accurate and predictive animal models.
Purpose of the Study:
- To review recent advancements in animal models for glioma research.
- To highlight novel models and techniques for studying gliomagenesis.
- To emphasize the role of improved models in identifying new therapeutic targets and strategies.
Main Methods:
- Review of established and emerging animal models, including rats, mice, Drosophila, and zebrafish.
- Discussion of genetically engineered mouse models and human protocol replication.
- Analysis of techniques for higher-throughput screening and biological characterization.
Main Results:
- New models offer enhanced recapitulation of human glioma biology.
- Drosophila and zebrafish models facilitate high-throughput screening.
- Advanced mouse models enable detailed study of gliomagenesis and human treatment protocols.
Conclusions:
- Improved animal models are essential for bridging the gap between preclinical findings and clinical success in glioma therapy.
- These models will accelerate the discovery of novel therapeutic targets and effective combination therapies.
- Future research utilizing these models promises to significantly impact malignant glioma management.
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