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Updated: Jul 12, 2026
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Coculture Assays to Study Macrophage and Microglia Stimulation of Glioblastoma Invasion
Published on: October 20, 2016
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Two to tango: Microglia in glioblastoma invasion
Donn A Van Deren1, Malay Haldar2
1Department of Pathology & Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA; Abramson Family Cancer Research Institute, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA.
Immunity
|April 15, 2026
Summary
Glioblastoma invasion is modulated by microglial responses. These responses are spatially restricted and biphasic, with CX3CR1 signaling influencing tumor spread dynamics.
Area of Science:
- Neuro-oncology
- Immunology
- Cellular Biology
Background:
- Glioblastoma is a highly invasive brain tumor.
- Tumor cell spread is a key factor in glioblastoma lethality.
- Microglia play a role in brain tumor microenvironment.
Purpose of the Study:
- To investigate microglial responses during glioblastoma invasion.
- To elucidate the role of CX3CR1 signaling in tumor spread.
- To understand the spatial and temporal dynamics of microglial interaction with invasive tumor cells.
Main Methods:
- Longitudinal three-photon imaging was employed.
- An immunocompetent glioblastoma model was utilized.
- Analysis focused on the far infiltration zone of the tumor.
Main Results:
- Microglial responses were spatially restricted to the tumor infiltration zone.
- Microglial activity exhibited a biphasic pattern.
- CX3CR1 signaling was identified as a key modulator of glioblastoma invasion dynamics.
Conclusions:
- Microglial responses are compartmentalized and dynamic during glioblastoma spread.
- CX3CR1 signaling represents a potential therapeutic target for controlling glioblastoma invasion.
