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Primary brain tumors are a heterogeneous group of malignancies that originate in cells of the central nervous system. A variety of models tractable for preclinical studies have been developed to recapitulate human brain tumors, allowing us to understand the underlying pathobiology and explore potential treatments. However, many promising therapeutic strategies identified using preclinical models have shown limited efficacy or failed at the clinical trial stage. The inability to develop therapeutic strategies that significantly improve survival rates in patients highlight the compelling need to revisit the design of currently available animal models and explore the use of new models that allow us to bridge the gap between promising preclinical findings and clinical translation. In this review, we discuss current strategies used to model glioblastoma, the most malignant brain tumor in adults and highlight the shortcomings of specific models that must be circumvented for the development of innovative therapeutic strategies. Copyright © 2020 Elsevier B.V. All rights reserved.

Citation

Farhana Akter, Brennan Simon, Nadine Leonie de Boer, Navid Redjal, Hiroaki Wakimoto, Khalid Shah. Pre-clinical tumor models of primary brain tumors: Challenges and opportunities. Biochimica et biophysica acta. Reviews on cancer. 2021 Jan;1875(1):188458

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PMID: 33148506

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