Muscle Fusion
Muscle Fusion - Related Videos
02:45
Nuclear Fusion
0 Views •
2020
The process of converting very light nuclei into heavier nuclei is also accompanied by the conversion of mass into large amounts of energy, a process called fusion. The principal source of energy in the sun is a net fusion reaction in which four hydrogen nuclei fuse and ultimately produce one helium nucleus and two positrons. A helium nucleus has a mass that is 0.7% less than that of four hydrogen nuclei; this lost mass is converted into energy during the fusion. This reaction produces about...
09:19
Analysis of SNARE-mediated Membrane Fusion Using an Enzymatic Cell Fusion Assay
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2012
We have developed a cell fusion assay that quantifies SNARE-mediated membrane fusion events by activated expression of β-galactosidase.
06:11
Anterior Cervical Discectomy and Fusion in the Ovine Model
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Cited by 9 •
2009
This video demonstrates the technique of anterior cervical discectomy and fusion in the ovine model.
06:10
Live Imaging of Mouse Secondary Palate Fusion
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Cited by 11 •
2017
Here, we present a protocol for live imaging of mouse secondary palate fusion using confocal microscopy. This protocol can be used in combination with a variety of fluorescent reporter mouse lines, and with pathway inhibitors for mechanistic insight. This protocol can be adapted for live imaging in other developmental systems.
08:13
A Cre-Lox P Recombination Approach for the Detection of Cell Fusion In Vivo
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Cited by 11 •
2012
A method to track cell fusion in living organisms over time is described. The approach utilizes Cre-LoxP recombination to induce luciferase expression upon cell fusion. The luminescent signal generated can be detected in living organisms using biophotonic imaging systems with a sensitivity of detection of ˜1,000 cells in peripheral tissues.
FAQs
Fusion proceeds through a coordinated sequence rather than a single membrane event. Myoblasts first align and establish adhesion through specialized cell-surface interactions; their membranes then remodel, allowing the cells to become one continuous syncytium. The resulting myotube provides an intermediate stage toward mature skeletal muscle, making each transition important when interpreting developmental studies.
Cell signaling, cytoskeletal reorganization, and muscle-specific fusion proteins regulate whether precursor cells can complete fusion. Signaling helps coordinate the response, while cytoskeletal changes support the physical rearrangements needed for cell contact and membrane remodeling. Examining these components helps distinguish problems in cell recognition or alignment from defects arising during later membrane integration.
During muscle repair, satellite cells can contribute to the fusion process alongside the developmental program used to build skeletal muscle. Their involvement connects precursor-cell behavior with tissue regeneration. Studying this contribution allows researchers to relate cellular fusion mechanisms to the formation of new muscle fibers and to impaired repair associated with degenerative muscle conditions.
Researchers can follow precursor cells across the major observable stages: alignment, adhesion, membrane remodeling, syncytium formation, and myotube maturation. Comparing cells at these stages helps identify when regulation changes the outcome. This stage-based approach is useful for linking cell behavior with signaling, cytoskeletal organization, and muscle-specific fusion proteins.
In tissue engineering and regenerative medicine, muscle fusion provides a biological benchmark for evaluating whether precursor cells progress toward muscle structures. Studies can assess how well an engineered system supports the cellular interactions and maturation steps associated with myotube formation. The same framework informs efforts to model or restore damaged muscle.
Drug testing can use muscle-fusion studies to detect how candidate treatments affect the cellular events required for muscle formation or repair. Researchers may examine changes in alignment, adhesion, membrane remodeling, or myotube maturation rather than relying only on a final endpoint. This makes the process relevant to congenital and degenerative muscle disorders.