Astrocyte Isolation
Astrocyte Isolation - Related Videos
06:41
Astrocyte Isolation: A Method to Obtain Pure Preparation of Mouse Cortical Astrocytes
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2023
In this video, we describe the method to obtain a pure preparation of astrocytes from newly born mice.
11:25
Isolation and Culture of Mouse Cortical Astrocytes
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Cited by 460 •
2013
Astrocytes have been recognized to be versatile cells participating in fundamental biological processes that are essential for normal brain development and function, and central nervous system repair. Here we present a rapid procedure to obtain pure mouse astrocyte cultures to study the biology of this major class of central nervous system cells.
04:51
A Simple Technique to Isolate and Culture Murine Astrocytes
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2025
The video demonstrates a simple method to culture murine astrocytes in isolation from other brain cells. During culturing, by using astrocyte-specific media and inhibiting the adherence of non-astrocytic cells, the method selectively cultures astrocytes. These cultured astrocytes exhibit stellate morphology with fine processes.
04:58
Isolation of Cell-Surface and Intracellular Proteins from an Astrocyte Culture
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2025
This video demonstrates the isolation of cell-surface and intracellular proteins from an astrocyte culture. The astrocyte culture is placed on ice to inhibit endocytosis, and then the cell-surface proteins are labeled with a biotinylation reagent. The cells are lysed to release the biotinylated cell-surface proteins and non-biotinylated intracellular proteins. Finally, streptavidin-coated beads are used to separate the biotinylated cell-surface proteins from the intracellular proteins.
07:25
Isolation and Direct Neuronal Reprogramming of Mouse Astrocytes
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Cited by 2 •
2022
Here we describe a detailed protocol to generate highly enriched cultures of astrocytes derived from different regions of the central nervous system of postnatal mice and their direct conversion into functional neurons by the forced expression of transcription factors.
FAQs
Selective culture conditions shape which cells survive and expand after nervous tissue or mixed neural cultures are dissociated. Conditions that support astrocyte survival and expansion can increase their representation while reducing neurons or other cell types. This enrichment produces a more focused cellular system for examining astrocyte behavior without assuming that the starting tissue contains only one population.
Physical separation and cell-surface markers provide additional ways to enrich the astrocyte population beyond culture conditions alone. Physical approaches help separate cells based on their properties, whereas markers help identify or select cells with astrocyte-associated surface features. Using these strategies can reduce contamination and improve confidence that observed responses arise primarily from astrocytes.
Tissue dissociation breaks nervous tissue into a form that can be placed into culture and processed as a mixed cell population. This step makes subsequent selection possible, allowing culture conditions, physical separation, or cell-surface markers to favor astrocytes. The quality of this preparation affects how effectively researchers can reduce neurons and other unwanted cell types.
Independent astrocyte preparations help researchers examine glial responses without attributing every observation to neurons or other cells in a mixed culture. This controlled setting supports more focused analysis of neurotransmitter regulation, metabolic support, neuroinflammation, and neuron-glia signaling. It also makes it easier to investigate how astrocytes respond to injury, genetic changes, or experimental compounds.
A general workflow begins with nervous tissue or a mixed neural culture, followed by tissue dissociation to generate a workable cell preparation. Researchers then apply culture conditions that support astrocyte survival and expansion while limiting other cell types. Physical separation or cell-surface marker-based enrichment may provide an additional step before the isolated population is used for experiments.
Isolated astrocytes support studies of neuroinflammation, neurotransmitter regulation, metabolic support, blood-brain barrier interactions, and signaling between neurons and glia. Because the cells can be examined in a more controlled setting, researchers can focus on astrocyte contributions to these processes rather than interpreting signals from an entire mixed neural preparation.
Astrocyte preparations provide controlled systems for modeling responses associated with injury or genetic changes and for testing therapeutic compounds. Researchers can examine how astrocytes react under these experimental conditions and assess changes relevant to neuroinflammation, signaling, or support functions. This makes the approach useful for connecting cellular responses with disease-related mechanisms and treatment research.