1. Generation of 3D ex vivo mouse- and patient-derived glioma explant slice model for integration of confocal time-lapse imaging and spatial analysis
- Author
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Andrea Comba, Maria Luisa Varela, Syed M. Faisal, Clifford C. Abel, II, Anna E. Argento, Wajd N. Al-Holou, Todd C. Hollon, Jacqueline D. Perelman, Patrick J. Dunn, Sebastien Motsch, Maria G. Castro, and Pedro R. Lowenstein
- Subjects
Cell Biology ,Cell-based Assays ,Cancer ,Health Sciences ,Microscopy ,Model Organisms ,Science (General) ,Q1-390 - Abstract
Summary: Development of spatial-integrative pre-clinical models is needed for glioblastoma, which are heterogenous tumors with poor prognosis. Here, we present an optimized protocol to generate three-dimensional ex vivo explant slice glioma model from orthotopic tumors, genetically engineered mouse models, and fresh patient-derived specimens. We describe a step-by-step workflow for tissue acquisition, dissection, and sectioning of 300-μm tumor slices maintaining cell viability. The explant slice model allows the integration of confocal time-lapse imaging with spatial analysis for studying migration, invasion, and tumor microenvironment, making it a valuable platform for testing effective treatment modalities.For complete details on the use and execution of this protocol, please refer to Comba et al. (2022).1 : Publisher’s note: Undertaking any experimental protocol requires adherence to local institutional guidelines for laboratory safety and ethics.
- Published
- 2023
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