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Lessons from ex vivo and in vitro models in microglia research
Csaba Cserép1, Péter Berki2, Mayte Mars3
1Momentum Laboratory of Neuroimmunology, HUN-REN Institute of Experimental Medicine, Budapest, H-1083, Hungary.
Trends in Neurosciences
|October 31, 2025
Summary
This review examines limitations in current ex vivo and in vitro microglia models. Understanding these changes in central nervous system (CNS) immune cells is key for disease research.
Area of Science:
- Neuroscience
- Immunology
- Cell Biology
Background:
- Microglia are the primary immune cells of the central nervous system (CNS).
- They perform essential housekeeping functions and adapt to their microenvironment.
- Current ex vivo and in vitro models alter microglial phenotypes, limiting research utility.
Purpose of the Study:
- To review recent advancements in ex vivo and in vitro microglia models.
- To identify mechanisms affecting microglial phenotypes in these models.
- To enhance the interpretation of research findings from these models.
Main Methods:
- Review of current literature on microglia models.
- Analysis of mechanisms causing phenotype alterations in sliced or cultured brain cells.
- Discussion of implications for interpreting experimental results.
Main Results:
- Ex vivo and in vitro procedures significantly alter microglial phenotypes.
- Specific mechanisms driving these alterations require careful consideration.
- Model limitations offer insights into disease-related microglial changes.
Conclusions:
- Developing improved ex vivo and in vitro microglia models is critical.
- Understanding model-specific limitations enhances research validity.
- These limitations can illuminate disease mechanisms in the CNS.
