Nerve Cord Isolation
Nerve Cord Isolation - Related Videos
20:14
Combining Peripheral Nerve Grafting and Matrix Modulation to Repair the Injured Rat Spinal Cord
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Cited by 21 •
2009
Traumatic injury to the spinal cord disrupts communication with the brain. To restore lost connectivity we utilize a peripheral nerve graft to provide a substratum for regenerating fibers in combination with neurotrophic factors and matrix-modulating enzymes to remove inhibitory molecules to promote long distance growth.
08:10
Hydraulic Extrusion of the Spinal Cord and Isolation of Dorsal Root Ganglia in Rodents
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Cited by 110 •
2017
Here, we present a protocol for hydraulic extrusion of the spinal cord as well as identification and isolation of specific dorsal root ganglia (DRGs) in the same rodent. Compared to standard spinal cord isolation methods, this method is significantly faster and reduces the risk of tissue damage.
05:29
Axoplasm Isolation from Rat Sciatic Nerve
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Cited by 6 •
2010
We demonstrate a protocol for axoplasm isolation from adult rat sciatic nerve based on dissection of nerve fascicles and incubation in hypotonic medium to release myelin and lyse non-axonal structures, followed by extraction of the remaining axon-enriched material.
11:12
Whole Mount Preparation of the Adult Drosophila Ventral Nerve Cord for Giant Fiber Dye Injection
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Cited by 21 •
2011
An in vivo dissection of the adult Drosophila ventral nerve cord (VNC) is demonstrated. This particular dissection method causes little damage to the VNC allowing the subsequent labeling of the giant fiber neurons with fluorescent dye for high resolution imaging.
06:10
Spinal Cord Neuron Isolation: A Density Gradient Procedure to Isolate Neonatal Spinal Cord Neurons for In Vitro Studies
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2025
Source: Eldeiry, M. et al. Spinal Cord Neurons Isolation and Culture from Neonatal Mice. J. Vis. Exp. (2017)In this video, we describe a step-by-step protocol for isolating spinal cord neurons from a neonatal mouse for in vitro studies.
FAQs
Preserving the nerve cord intact retains anatomical relationships among its neural elements, allowing researchers to examine organization and function within a connected preparation. This is especially important when relating neuronal structure to network activity, sensory processing, or motor output. Excessive disruption could remove the relationships needed to interpret how circuit components contribute to coordinated neural behavior.
The physiological solution helps maintain the isolated tissue after surrounding structures have been removed. By preserving cellular activity, it supports experiments that depend on functioning neural tissue rather than fixed anatomical material. Maintaining the preparation in this solution therefore makes electrophysiological recording, imaging, and other analyses possible in an ex vivo setting.
An isolated preparation reduces the complexity of the intact organism while retaining the nerve cord's cellular organization and anatomical relationships. Researchers can therefore focus on neural circuits and their activity without analyzing every interacting structure in the body. This controlled context helps clarify links among sensory processing, motor output, and network-level function.
The preparation supports analysis of how neural organization relates to function, including connections between circuit structure and network activity. It can also help researchers examine processes associated with sensory processing and motor output. Because the cord remains intact, these questions can be studied within preserved anatomical relationships rather than only through isolated cells or disrupted tissue.
Preparation begins with dissection to separate the nerve cord from surrounding structures. Under microscopic guidance, researchers carefully remove adjacent tissues while avoiding disruption of the cord. The retained neural tissue is then maintained in an appropriate physiological solution to preserve cellular activity and anatomical relationships, creating a controlled preparation for subsequent neuroscience experiments.
An isolated nerve cord can support electrophysiological recording, neural circuit analysis, imaging, molecular studies, and ex vivo culture. These approaches provide complementary information about activity, organization, and cellular properties. Together, they help researchers connect neural structure with sensory processing, motor output, and network behavior while working with a preparation that is less complex than the intact organism.