Nerve Elongation
Nerve Elongation - Related Videos
02:35
Transcription Elongation Factors
0 Views •
2020
Transcription elongation is a dynamic process that alters depending upon the sequence heterogeneity of the DNA being transcribed. Hence, it is not surprising that the elongation complex's composition also varies along the way while transcribing a gene. The transcription elongation is regulated via pausing of RNA polymerase on several occasions during transcription. In bacteria, these halts are necessary because the transcription of DNA into mRNA is coupled to the translation of that mRNA into a...
02:35
Transcription Elongation Factors
0 Views •
2023
Transcription elongation is a dynamic process that alters depending upon the sequence heterogeneity of the DNA being transcribed. Hence, it is not surprising that the elongation complex's composition also varies along the way while transcribing a gene. The transcription elongation is regulated via pausing of RNA polymerase on several occasions during transcription. In bacteria, these halts are necessary because the transcription of DNA into mRNA is coupled to the translation of that mRNA into a...
10:46
Novel Metrics to Characterize Embryonic Elongation of the Nematode Caenorhabditis elegans
0 Views •
Cited by 3 •
2016
Here we detail protocols specifically designed to monitor morphogenic defects that occur during early and late phases of embryonic elongation of the nematode Caenorhabditis elegans. Ultimately, these protocols are designed to identify genes that regulate these phases and to characterize their differential requirements along the antero-posterior axis of the embryo.
04:42
In Vivo Biomechanical Testing of Nerve: A Procedure for Biomechanical Analysis of Brachial Plexus Nerve Injury in a Neonatal Pig Model
0 Views •
2025
In this video, we demonstrate the biomechanical testing of the brachial plexus nerve in a pig model to measure the threshold tensile strength of the nerve when subjected to stretching. This technique helps in determining the structural and mechanical properties of the nerve.
02:50
Toluidine Blue Staining of Peripheral Nerve Sections: A Technique to Stain Myelinated Nerve Fibers For Peripheral Nerve Structure Visualization
0 Views •
2025
This video demonstrates the staining technique of resin-embedded, osmium tetroxide-treated rat peripheral nerve sections using toluidine blue. The stained nerve sections help visualize the fine structures of peripheral nerves.
FAQs
During stretch-growth, axonal extension depends on coordinated cytoskeletal reorganization and production of new membrane and structural proteins. The cytoskeleton adjusts to applied tension, while newly synthesized components provide material for continued axon lengthening. Together, these changes allow cultured neurons or nerve tissue to accommodate gradual extension through an active biological growth response.
Gradual tension provides the controlled mechanical input associated with stimulated axonal extension. Under this condition, neurons can reorganize their cytoskeleton and synthesize membrane and structural proteins as the axon lengthens. This relationship makes tension an important experimental variable for examining how mechanical forces influence neuronal growth and the formation of longer nerve segments.
Nerve elongation links a physical stimulus with cellular growth because applied tension is accompanied by cytoskeletal reorganization and production of structural material. Axonal lengthening therefore provides a way to examine how neurons respond biologically to mechanical forces. This connection is relevant to studies of nervous-system development as well as growth processes associated with nerve repair.
A stretch-growth approach begins with cultured neurons or nerve tissue, followed by application of controlled, gradual tension. As the biological material extends, axonal growth and associated cellular changes can be studied. The resulting longer nerve segment may support investigations of axon development, neuronal responses to mechanical forces, or tissue-engineering strategies.
The supported starting materials are cultured neurons or nerve tissue placed in a system where tension can be applied in a controlled, gradual manner. This combination supplies both the biological substrate and the mechanical condition needed to stimulate axonal extension. The resulting response can be evaluated in relation to cytoskeletal reorganization and newly produced membrane and structural proteins.
Researchers can use nerve elongation to generate longer nerve segments for studying axon development and neuronal responses to mechanical forces. The approach also informs tissue-engineered graft development for peripheral nerve injuries. In that context, elongated segments may help address nerve gaps and support research aimed at restoring connectivity after damage.