Spinal Microglia
Spinal Microglia - Related Videos
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.
04:15
Rapid and Efficient Enrichment of Mouse Spinal Cord Microglia
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2023
Microglia are regarded as some of the most versatile cells in the body, capable of morphological and functional adaptation. Their heterogeneity and multifunctionality enable the maintenance of brain homeostasis, while also being linked to various neurological pathologies. Here, a technique for purifying spinal cord microglia is described.
13:36
Detection of MicroRNAs in Microglia by Real-time PCR in Normal CNS and During Neuroinflammation
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Cited by 37 •
2012
Microglia are resident macrophages that provide the first line of defense and immune surveillance of the central nervous system. MicroRNAs are regulatory molecules that play an important role in many physiological processes including activation and differentiation of macrophages. In this article, we describe the method for measurement of microRNAs in microglia.
10:43
Analysis of Microglia and Monocyte-derived Macrophages from the Central Nervous System by Flow Cytometry
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Cited by 122 •
2017
This protocol provides an analysis of the macrophage subpopulations in the adult mouse central nervous system by flow cytometry and is helpful for the study of multiple markers expressed by these cells.
08:57
Acute and Chronic Tactile Sensory Testing after Spinal Cord Injury in Rats
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Cited by 55 •
2012
We describe two tactile sensory testing methods for acute or chronic periods of spinal cord injury in rats. These validated procedures can detect the development and maintenance of allodynia-like sensations.
FAQs
The transition begins when damage or inflammatory signals alter the local environment. Microglia then change morphology, migrate, engage in phagocytosis, and release cytokines and other signaling molecules. These coordinated actions allow them to respond to injury or infection, while the persistence of the response influences whether it supports tissue repair and host defense or sustains neuroinflammation.
Persistent activation can amplify neuroinflammation rather than resolving the original disturbance. Spinal microglia may continue releasing cytokines and other signaling molecules, while their altered activity affects synaptic signaling. These changes can contribute to chronic pain, neurodegeneration, or impaired recovery after spinal cord injury, making the duration of activation an important factor in disease progression.
Microglial responses can protect neural tissue through host defense, local monitoring, and removal of damaged material by phagocytosis. However, the same response can become harmful when inflammatory signaling persists. This dual role explains why microglia may support repair during an acute challenge yet contribute to neuroinflammation and disrupted neural function when activation continues.
Researchers examine changes in morphology, migration, phagocytosis, and the release of cytokines or other signaling molecules. Together, these features indicate how microglia respond to altered spinal-cord conditions. Relating these cellular changes to tissue repair, host defense, neuroinflammation, and recovery helps clarify whether the response is protective, persistent, or associated with neurological dysfunction.
The overview identifies several relevant conditions: spinal cord injury, chronic pain, neurodegeneration, infection, and impaired recovery after injury. In these settings, spinal microglia may influence inflammatory signaling and synaptic activity. Studying their responses helps connect cellular behavior with disease mechanisms and may reveal why inflammation resolves in some circumstances but persists in others.
Research on these cells can identify targets for anti-inflammatory and neuroprotective treatments. The goal is to understand which aspects of microglial activity support repair and host defense and which contribute to persistent neuroinflammation, altered synaptic signaling, or poor recovery. This knowledge may help investigators design strategies that limit harmful responses without eliminating beneficial tissue-protective functions.