Primary Astrocytes
Primary Astrocytes - Related Videos
03:33
Generating a Primary Culture of Astrocytes from a Rat Pup Brain
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2025
The video demonstrates a technique for culturing primary astrocytes from the rat cortex. The cortex is mechanically dissociated to obtain a homogeneous glial cell suspension, which is then plated on polypeptide-coated plates to promote selective proliferation of astrocytes. Subsequently, the astrocytes are enzymatically dissociated from the plates and transferred to fresh media, allowing the culture of pure astrocytes.
10:42
Determining Cell-surface Expression and Endocytic Rate of Proteins in Primary Astrocyte Cultures Using Biotinylation
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Cited by 6 •
2017
Two biotinylation-based methods, designed for determining the cell-surface expression and endocytic rate of proteins expressed at the plasma membrane, are presented in this report.
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.
10:17
Analysis of Schwann-astrocyte Interactions Using In Vitro Assays
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Cited by 6 •
2011
This article intends to describe in stepwise fashion the commonly used in vitro assays used in studying Schwann cell-asrtocyte interactions.
02:35
Visualizing Intracellular Transport of Cargo in Cultured Astrocytes
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2025
Source: Creighton, B. A., et al. Visualizing and Analyzing Intracellular Transport of Organelles and Other Cargos in Astrocytes. J. Vis. Exp. (2019)This video demonstrates the visualization of intracellular cargo transport in cultured astrocytes using a fluorescent acidotropic probe that selectively labels acidic endolysosomal vesicles. Time-lapse imaging and Z-stack acquisition with a confocal microscope allow tracking of fluorescently labeled cargo throughout the three-dimensional cell volume.
FAQs
Their functional relevance comes from several coordinated activities. Primary astrocytes buffer extracellular ions, remove neurotransmitters such as glutamate, and provide metabolic support to nearby neural cells. Studying these processes in culture allows researchers to examine how astrocyte activity influences neuronal conditions and how disruption of these supportive functions may contribute to altered neural responses.
Injury-associated or inflammatory signals can alter both gene expression and cell morphology in primary astrocytes. These changes provide measurable indicators of how astrocytes respond to damaging conditions and participate in disease-related cellular processes. Experiments can therefore connect specific stimuli with shifts in astrocyte state, helping clarify mechanisms of neuroinflammation and cellular injury responses.
Primary astrocytes retain many properties of tissue-derived cells, whereas immortalized lines provide a different experimental model. Using both systems can help distinguish findings that reflect biologically relevant astrocyte behavior from those associated with long-term cellular adaptation or the characteristics of a particular line. This comparison strengthens interpretation of mechanistic and preclinical studies.
The general workflow begins with isolation of astrocytes directly from central nervous system tissue, followed by maintenance in culture under experimental conditions. Researchers then examine cellular functions or responses, such as neurotransmitter removal, metabolic support, gene-expression changes, or morphological alterations. This setup supports controlled studies of astrocyte behavior while preserving features associated with tissue-derived cells.
These cultures support studies of neuron-glia communication, neuroinflammation, neurotoxicity, and disease-associated cellular responses. They are particularly useful when researchers need to examine how astrocytes influence the neural environment or react to damaging and inflammatory conditions. Their use can reveal cellular mechanisms that may be difficult to separate in more complex tissue-level experiments.
Because they preserve many properties of cells obtained from nervous tissue, primary astrocytes can contribute to preclinical evaluation of therapeutic strategies. Researchers can assess whether a strategy affects astrocyte responses linked to inflammation, toxicity, metabolic support, or neural communication. Findings from these cultures complement other models and help connect cellular mechanisms with potential treatment effects.