Stretch-sensitive Receptors
Stretch-sensitive Receptors - Related Videos
07:42
Live Cell Imaging during Mechanical Stretch
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Cited by 12 •
2015
A novel imaging protocol was developed using a custom motor-driven mechanical actuator to allow the measurement of real time responses to mechanical strain in live cells. Relevant to mechanobiology, the system can apply strains up to 20% while allowing near real-time imaging with confocal or atomic force microscopy.
09:41
Stretching Micropatterned Cells on a PDMS Membrane
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Cited by 6 •
2014
This manuscript presents a technique to apply or release forces on adherent cells or tissues using unidirectional stretching.
08:11
Measuring Caenorhabditis elegans Sensitivity to the Acetylcholine Receptor Agonist Levamisole
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Cited by 6 •
2022
The present protocol describes an assay to determine response to levamisole, a pharmacological agonist of one class of Caenorhabditis elegans acetylcholine receptors. In this liquid levamisole swim assay, researchers visually observe and quantitate the time-dependent paralysis of animals cultivated in 24-well plates.
11:46
Axon Stretch Growth: The Mechanotransduction of Neuronal Growth
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Cited by 30 •
2011
A unique tissue engineering method was developed to elongate numerous nerve fibers in culture by recapitulating axon stretch growth; a form of nervous system growth whereby nerves elongate in conjunction with growth of the enlarging body.
16:46
A Novel Stretching Platform for Applications in Cell and Tissue Mechanobiology
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Cited by 6 •
2014
We present in this article a novel stretching platform that can be used to investigate single cell responses to complex anisotropic biaxial mechanical deformation and quantify the mechanical properties of biological tissues.
FAQs
The type and magnitude of mechanical change determine how strongly the receptor is stimulated. Deformation of the receptor membrane or nearby supporting structures can open mechanically gated ion channels, allowing the mechanical event to produce an electrical signal. This relationship enables sensory systems to represent changes in muscle length, tissue tension, pressure, or organ volume.
Mechanically gated ion channels connect physical deformation with electrical signaling. When stretching alters the receptor membrane or surrounding structures, these channels open and initiate an electrical response. Because the response reflects the mechanical stimulus, channel activity provides the cellular step that converts tissue movement or pressure into information usable by the nervous system.
They contribute to proprioception by signaling changes associated with body position and muscle activity. Information about mechanical conditions helps the brain monitor where body parts are positioned and supports appropriate regulation of muscle activity. This makes receptor signaling important not only for sensing movement, but also for coordinating the body's response to changing mechanical conditions.
In cardiovascular, respiratory, and visceral systems, these receptors provide information about mechanical changes in tissues and organs. Signals related to pressure, volume, or distension can therefore contribute to physiological regulation in those systems. Their broad distribution allows mechanical conditions in different organs to be monitored and linked with nervous-system control.
A useful investigation can examine receptor structure, the surrounding tissue, the mechanical condition applied, and the resulting electrical signal. Comparing deformation with signal strength helps reveal how force is encoded biologically. Studying these linked features also connects cellular signaling with tissue biomechanics, the analysis of how mechanical forces act within living tissues.
Research on these receptors can clarify how mechanical forces become neural information and how that information supports normal physiology. The topic is relevant to sensory disorders, cardiovascular physiology, and tissue biomechanics. Examining receptor structure and signaling may therefore help relate altered mechanical sensing to changes in body-position awareness, organ regulation, or tissue function.