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Updated: Jun 5, 2026
Translational Orthotopic Models of Glioblastoma Multiforme
Published on: February 17, 2023
Characterization of a human tumorsphere glioma orthotopic model using magnetic resonance imaging
Kelvin Wong1, Geoffrey S Young, Milan Makale
1Division of Medical Physics, Department of Radiology, The Methodist Hospital-Weill Cornell Medical College and Center for Biotechnology and Informatics, The Methodist Hospital Research Institute, TX 77030, USA.
Abstract:
Magnetic resonance imaging (MRI) is the imaging modality of choice by which to monitor patient gliomas and treatment effects, and has been applied to murine models of glioma. However, a major obstacle to the development of effective glioma therapeutics has been that widely used animal models of glioma have not accurately recapitulated the morphological heterogeneity and invasive nature of this very lethal human cancer. This deficiency is being alleviated somewhat as more representative models are being developed, but there is still a clear need for relevant yet practical models that are well-characterized in terms of their MRI features. Hence we sought to chronicle the MRI profile of a recently developed, comparatively straightforward human tumor stem cell (hTSC) derived glioma model in mice using conventional MRI methods. This model reproduces the salient features of gliomas in humans, including florid neoangiogenesis and aggressive invasion of normal brain. Accordingly, the variable, invasive morphology of hTSC gliomas visualized on MRI duplicated that seen in patients, and it differed considerably from the widely used U87 glioma model that does not invade normal brain. After several weeks of tumor growth the hTSC model exhibited an MRI contrast enhancing phenotype having variable intensity and an irregular shape, which mimicked the heterogeneous appearance observed with human glioma patients. The MRI findings reported here support the use of the hTSC glioma xenograft model combined with MRI, as a test platform for assessing candidate therapeutics for glioma, and for developing novel MR methods.
Insights
A new human tumor stem cell (hTSC) glioma model in mice accurately mimics human glioma's invasive nature and MRI features. This model offers a more relevant platform for testing new glioma therapeutics.
Area of Science:
- Neuro-oncology
- Medical Imaging
- Cancer Biology
Background:
- Magnetic resonance imaging (MRI) is crucial for monitoring gliomas and treatment efficacy in patients and animal models.
- Existing animal models often fail to replicate the morphological heterogeneity and invasiveness of human gliomas, hindering therapeutic development.
- There is a need for practical, well-characterized glioma models with accurate MRI features.
Purpose of the Study:
- To characterize the MRI profile of a novel human tumor stem cell (hTSC)-derived glioma model in mice.
- To evaluate the model's ability to recapitulate key features of human gliomas, including neoangiogenesis and brain invasion.
- To compare the MRI characteristics of the hTSC model with a conventional U87 glioma model.
Main Methods:
- Conventional magnetic resonance imaging (MRI) methods were employed.
- The MRI features of a newly developed hTSC-derived glioma model in mice were systematically recorded.
- Tumor morphology, neoangiogenesis, invasion, and contrast enhancement patterns were analyzed.
Main Results:
- The hTSC glioma model demonstrated variable, invasive morphology on MRI, mirroring human gliomas.
- This model exhibited aggressive invasion of normal brain, unlike the U87 model.
- Contrast enhancement patterns in the hTSC model were heterogeneous and irregular, similar to human glioma patients.
Conclusions:
- The hTSC-derived glioma xenograft model, when combined with MRI, accurately reproduces key human glioma characteristics.
- This model serves as a valuable platform for preclinical assessment of novel glioma therapeutics.
- The findings support the use of this model for developing advanced MRI techniques for glioma research.
