Cd11b Microglia
Cd11b Microglia - Related Videos
07:54
Rapid and Refined CD11b Magnetic Isolation of Primary Microglia with Enhanced Purity and Versatility
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Cited by 22 •
2017
Here, we present a protocol to isolate microglia from postnatal mouse pups (day 1) for in vitro experimentation. This improvised method of isolation generates both high yield and purity, a significant advantage over alternate methods that allows broad range experimentation for the purposes of elucidating microglial biology.
04:45
Magnetic Isolation of Microglia from Mouse Pup Brains
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2025
In this video, we describe a protocol for isolating CD11b cells, including microglia, from mouse pup brains using magnetic-activated cell sorting. The brain tissues are homogenized to obtain single-cell suspensions, which are incubated with anti-CD11b antibody-coated microbeads, followed by a magnetic column-based separation to purify the CD11b+ cell population.
04:09
Isolating Microglia from Mouse Brain Demyelinating Lesions Using Magnetic Activated Cell Sorting
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2025
This video demonstrates a protocol for extracting microglial cells from demyelinating lesions in mouse brains using magnetic cell sorting. The protocol involves dissecting the lesioned brain tissue containing microglial cells, treating the tissue with specific enzymes to obtain a single-cell suspension, and utilizing microglial receptor-specific magnetic beads to isolate the microglial cells.
11:28
Culturing Microglia from the Neonatal and Adult Central Nervous System
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Cited by 35 •
2013
We outline methods for the efficient and quick isolation/culture of viable microglia from the neonatal cerebral cortex and adult spinal cord. The dissection and plating of cortical microglia can be accomplished within 90 minutes, with the subsequent microglial harvest taking place ~ 10 days following the initial dissection.
08:37
Microglia as a Surrogate Biosensor to Determine Nanoparticle Neurotoxicity
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Cited by 16 •
2016
Microglia (immune cells of the brain), are used as a surrogate biosensor to determine how nanoparticles influence neurotoxicity. We describe a series of experiments designed to assay microglial response to nanoparticles and exposure of hypothalamic neurons to supernatant from activated microglia to determine neurotoxicity.
FAQs
CD18 pairs with CD11b to form complement receptor 3, giving the marker functional significance beyond cell identification. This receptor recognizes targets coated with iC3b, a complement fragment, and the interaction supports adhesion-related migration, engulfment, and phagocytic clearance. Consequently, CD11b studies can connect microglial localization or accumulation with immune-cell interactions in nervous-system tissue.
CD11b alone cannot establish that a labeled or isolated cell is microglia. Peripheral myeloid cells may share the same phenotype, so a CD11b-positive population can include cells outside the resident microglial pool. Adding other markers and considering the experimental context helps distinguish microglia-focused findings from broader myeloid responses in nervous-system tissue.
CD11b measurements can show that microglia or a related myeloid population is present and can help quantify changes associated with injury, infection, or neurodegeneration. They do not, by themselves, identify the precise source of the cells or establish whether a response reflects migration, engulfment, or phagocytic clearance. Additional markers and contextual analysis are therefore important.
Immunolabeling visualizes CD11b-positive cells in brain tissue, allowing researchers to examine their distribution, while flow cytometry measures and quantifies labeled cell populations. Magnetic isolation provides a method for separating cells according to the same marker-associated phenotype. The choice depends on whether the study prioritizes tissue localization, population quantification, or cell isolation.
These analyses are useful when a study asks how brain immune-cell populations change during injury, infection, or neurodegeneration. Immunolabeling supports tissue-level assessment, whereas flow cytometry or magnetic isolation can help detect and quantify populations. Together, the approaches relate microglial or broader myeloid responses to neuroinflammation without treating CD11b as a standalone indicator of cell origin or state.
Comparing CD11b-associated populations can reveal differences in the presence or quantity of microglia-related cells during injury, infection, or neurodegeneration. These results help characterize changes in neuroinflammatory responses, but they require cautious interpretation because peripheral myeloid cells may share the phenotype. Additional markers are needed to determine whether an observed difference is specific to resident microglia.