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Updated: Jul 29, 2026
Culturing Microglia from the Neonatal and Adult Central Nervous System
Published on: August 9, 2013
Microglia in cell culture and in transplantation therapy for central nervous system disease
1Department of Neuroscience, Rose F. Kennedy Center for Research in Mental Retardation and Human Development, Albert Einstein College of Medicine, Bronx, New York 10461, USA.
Abstract:
The central nervous system (CNS) is host to a significant population of macrophage-like cells known as microglia. In addition to these cells which reside within the parenchyma, a diverse array of macrophages are present in meningeal, perivascular, and other peripheral locations. The role that microglia and other CNS macrophages play in disease and injury is under intensive investigation, and functions in development and in the normal adult are just beginning to be explored. At present the biology of these cells represents one of the most fertile areas of CNS research. This article describes methodology for the isolation and maintenance of microglia in cell cultures prepared from murine and feline animals. Various approaches to identify microglia are provided, using antibody, lectin, or scavenger receptor ligand. Assays to confirm macrophage-like functional activity, including phagocytosis, lysosomal enzyme activity, and motility, are described. Findings regarding the origin and development of microglia and results of transplantation studies are reviewed. Based on these data, a strategy is presented that proposes to use the microglial cell lineage to effectively deliver therapeutic compounds to the CNS from the peripheral circulation.
Insights
Researchers explored microglia and CNS macrophages, detailing methods for their isolation, identification, and functional assays. A strategy is proposed to use microglial cells for delivering therapeutics to the central nervous system.
Area of Science:
- Neuroscience
- Immunology
- Cell Biology
Background:
- The central nervous system (CNS) contains microglia and other tissue-resident macrophages with crucial roles in health and disease.
- Understanding these cells is vital for CNS research, with ongoing investigations into their functions in development, injury, and disease.
Purpose of the Study:
- To describe methodologies for isolating, culturing, and identifying microglia and other CNS macrophages from murine and feline sources.
- To review current findings on microglial origin, development, and transplantation, and to propose a therapeutic strategy utilizing microglial cells.
Main Methods:
- Isolation and maintenance of microglia in cell cultures from murine and feline animals.
- Identification of microglia using antibody, lectin, or scavenger receptor ligands.
- Assays for macrophage-like functions: phagocytosis, lysosomal enzyme activity, and motility.
Main Results:
- Established protocols for microglia isolation and characterization.
- Reviewed data on microglial development and transplantation.
- Presented a novel strategy for CNS-targeted drug delivery using microglial cells.
Conclusions:
- Microglia and CNS macrophages are key research areas with significant implications for disease and therapy.
- The described methodologies provide a foundation for further study of these cells.
- Utilizing the microglial cell lineage offers a promising strategy for therapeutic compound delivery to the CNS.
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