Muscle Neuronal Cells
Muscle Neuronal Cells - Related Videos
06:41
Removal of Drosophila Muscle Tissue from Larval Fillets for Immunofluorescence Analysis of Sensory Neurons and Epidermal Cells
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Cited by 13 •
2016
Studies of neuronal morphogenesis using Drosophila larval dendritic arborization (da) neurons benefit from in situ visualization of neuronal and epidermal proteins by immunofluorescence. We describe a procedure that improves immunofluorescence analysis of da neurons and surrounding epidermal cells by removing muscle tissue from the larval body wall.
13:37
Extracellularly Identifying Motor Neurons for a Muscle Motor Pool in Aplysia californica
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Cited by 23 •
2013
In animals with large identified neurons (e.g. mollusks), analysis of motor pools is done using intracellular techniques1,2,3,4. Recently, we developed a technique to extracellularly stimulate and record individual neurons in Aplysia californica5. We now describe a protocol for using this technique to uniquely identify and characterize motor neurons within a motor pool.
07:29
Paired Patch Clamp Recordings from Motor-neuron and Target Skeletal Muscle in Zebrafish
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Cited by 17 •
2010
Larval zebrafish represent the first vertebrate model system to allow simultaneous patch clamp recording from a spinal motor-neuron and target skeletal muscle. This video demonstrates the microscopic methods used to identify a segmental CaP motor-neuron and target muscle cells as well as the methodologies for recording from each cell type.
07:49
Immunohistological Labeling of Microtubules in Sensory Neuron Dendrites, Tracheae, and Muscles in the Drosophila Larva Body Wall
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Cited by 11 •
2011
To understand how complex cell shapes, such as neuronal dendrites, are achieved during development, it is important to be able to accurately assay microtubule organization. Here we describe a robust immunohistological labeling method to examine microtubule organization of dendritic arborization neuron sensory dendrites, trachea, muscle, and other Drosophila larva body wall tissues.
14:18
Fluorescence-based Measurement of Store-operated Calcium Entry in Live Cells: from Cultured Cancer Cell to Skeletal Muscle Fiber
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Cited by 19 •
2012
The extent of store-operated Ca2+ entry (SOCE) can be monitored using fluorescent Ca2+ indicators. Mn2+ quenching of such indicators assays SOCE in cultured cells and skeletal muscle fibers. A technique allowing spatial and temporal resolution of SOCE by confocal imaging of mechanically skinned muscle fibers is also described.
FAQs
Acetylcholine receptors provide the membrane-level link between motor-neuron activity and muscle-cell excitation. When acetylcholine released by the neuron binds these receptors, the muscle-cell membrane depolarizes, meaning its electrical state shifts toward activation. This step converts a chemical signal into an electrical response and helps explain how communication failures can disrupt movement.
Calcium release connects electrical excitation with mechanical contraction. Following depolarization of the muscle-cell membrane, calcium becomes available inside the cell and promotes the processes that generate force. Studying this sequence helps researchers determine whether a movement-related problem originates in signal transmission, membrane excitation, calcium handling, or the final contraction response.
Neurons initiate and transmit the instructions that reach the neuromuscular junction, whereas muscle cells respond by changing their electrical state and producing force. Their functions are therefore complementary rather than interchangeable. Examining both cell types together reveals how nervous-system communication becomes muscular activity and provides a framework for analyzing defects affecting either side of the connection.
Electrophysiology examines the electrical behavior of excitable cells, making it relevant for following neural signaling, muscle-membrane depolarization, and communication at the neuromuscular junction. In this context, it can help relate electrical events to contraction and identify altered signaling patterns. The approach supports investigations of normal coordination as well as dysfunction associated with movement-related conditions.
These cells support research into neuromuscular development, including how nervous and muscular systems establish functional communication. They are also relevant to studies of nerve injury and muscle disease, where signaling or force production may be impaired. Comparing cellular behavior across these contexts can clarify how changes in neural-muscular coordination contribute to altered movement.
Their linked signaling pathway offers several points for evaluating whether a potential therapy improves neuromuscular function. Researchers can examine communication between motor neurons and muscle cells, membrane excitation, calcium release, and contraction-related responses. This cellular perspective helps connect treatment effects to specific stages of the pathway rather than assessing movement outcomes without examining the underlying biology.