Cortical Astrocytes
Cortical Astrocytes - 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.
03:13
A Method for 3D Bioprinting Murine Cortical Astrocytes
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2025
The video demonstrates the process of creating a 3D bioprinted construct using astrocytes suspended in a bioink solution. The bioprinted construct, after crosslinking, facilitates astrocyte adhesion and their spreading, forming neural-like tissue.
15:08
Monitoring Astrocyte Reactivity and Proliferation in Vitro Under Ischemic-Like Conditions
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Cited by 13 •
2017
Ischemic stroke is a complex event in which the specific contribution of astrocytes to the affected brain region exposed to oxygen glucose deprivation (OGD) is difficult to study. This article introduces a methodology to obtain isolated astrocytes and study their reactivity and proliferation under OGD conditions.
08:57
3D Bioprinting of Murine Cortical Astrocytes for Engineering Neural-Like Tissue
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Cited by 15 •
2021
Here we report a method of 3D bioprinting murine cortical astrocytes for biofabricating neural-like tissues to study the functionality of astrocytes in the central nervous system and the mechanisms involving glial cells in neurological diseases and treatments.
FAQs
Several homeostatic functions operate together around active neural circuits. By buffering extracellular potassium and clearing neurotransmitters, cortical astrocytes help control the chemical conditions surrounding neurons after signaling events. Their regulation of water and energy balance adds further environmental support. This coordinated activity matters because synaptic communication depends not only on neuronal signals, but also on stable extracellular conditions.
Intracellular calcium signals allow cortical astrocytes to respond dynamically to neural activity rather than acting only as passive support cells. Changes in calcium provide an internal signal that can coordinate astrocyte responses as nearby networks become active. Studying these signals helps biology researchers investigate how glial activity is linked to synaptic function and broader communication within the central nervous system.
The position of astrocyte processes places them at two important interfaces: neuronal synapses and nearby blood vessels. This arrangement connects local neural signaling with regulation of the surrounding tissue environment, including neurotransmitter clearance, ion buffering, water balance, and energy support. It also provides a biological basis for examining how neural activity relates to blood-vessel responses in cortical tissue.
Cultured cortical astrocytes provide an experimental model for examining astrocyte behavior under controlled research conditions. When studied alone or in astrocyte-neuron models, they help investigators explore synaptic development, communication between glial cells and neurons, and changes associated with inflammation. These systems extend observations from intact cortical tissue by allowing researchers to focus on specific cellular interactions.
Astrocyte-neuron models let researchers examine synaptic development in the presence of both neuronal and glial cells. This is useful because cortical astrocytes contribute support around synapses while also responding to neural activity. Such models can therefore help investigators study how neuronal connections develop within a cellular environment that includes astrocyte signaling and homeostatic functions.
Cortical astrocytes are relevant to neurovascular coupling because their processes contact both synapses and blood vessels, linking neural activity with tissue-level vascular responses. They are also studied in disorders where glial support or signaling becomes impaired. Research can therefore assess how disrupted neurotransmitter clearance, ion buffering, calcium responses, or environmental regulation may relate to altered cortical function.