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Related Concept Videos

Cell-matrix's Response to Mechanical Forces01:13

Cell-matrix's Response to Mechanical Forces

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In animal cells, the extracellular matrix allows cells within tissues to withstand external stresses and transmits signals from the outside of the cell to the inside. The extracellular matrix is extensive, and its composition varies between different types of tissues. For example, the reticular fibers and ground substance make up the ECM in loose connective tissue, while collagen and bone minerals make up the ECM of bone tissue. 
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Mechanically-gated Ion Channels01:12

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Mechanically-gated ion channels are proteins found in eukaryotic and prokaryotic cell membranes that open in response to mechanical stress. Tension, compression, swelling, and shear stress can alter the conformation of the protein, opening a transmembrane channel that allows the passage of ions for signal transmission. In eukaryotes, mechanically-gated channels are distributed in several regions like the neurons, lungs, skin, bladder, and heart, where they play critical roles in numerous...
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Tension Response at Adherens Junctions01:26

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The adherens junctions that anchor cells together are multi-protein complexes that dynamically adapt to mechanical stimuli such as tensile forces and shear stress. Mechanosensory proteins in these junctions can sense such mechanical stimuli and undergo a shift in their conformation, resulting in an altered function — a process called mechanotransduction.
α-Catenin as a Mechanosensory Protein
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Types of Receptors: Cell Surface Receptors01:28

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Cell-surface receptors, also known as transmembrane receptors, are cell surface, membrane-anchored (integral) proteins that bind to external ligand molecules. This type of receptor spans the plasma membrane and performs signal transduction, converting an extracellular signal into an intracellular signal. Ligands that interact with cell-surface receptors do not have to enter the cell that they affect. Cell-surface receptors are also called cell-specific proteins or markers because they are...
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Transducer Mechanism: Enzyme-Linked Receptors01:27

Transducer Mechanism: Enzyme-Linked Receptors

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Enzyme-linked receptors are cell-surface receptors acting as an enzyme or associating with an enzyme intracellularly. They make excellent drug targets. Drugs can bind to the extracellular ligand-binding domain or directly affect their enzymatic domain and alter their activity.
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Overview of Cell Signaling01:23

Overview of Cell Signaling

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Despite the protective membrane that separates a cell from the environment, cells need the ability to detect and respond to environmental changes. Additionally, cells often need to communicate with one another. Unicellular and multicellular organisms use a variety of cell signaling mechanisms to communicate with the environment.
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Related Experiment Video

Updated: Feb 22, 2026

A Uniform Shear Assay for Human Platelet and Cell Surface Receptors via Cone-plate Viscometry
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A Uniform Shear Assay for Human Platelet and Cell Surface Receptors via Cone-plate Viscometry

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Receptor-mediated cell mechanosensing.

Yunfeng Chen1,2, Lining Ju3, Muaz Rushdi2,4

  • 1Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA 30332.

Molecular Biology of the Cell
|September 29, 2017
PubMed
Summary
This summary is machine-generated.

Cells sense mechanical cues through mechanosensing, a process vital for adaptation. This review details a four-step model of receptor-mediated cell mechanosensing, using examples like integrins.

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Last Updated: Feb 22, 2026

A Uniform Shear Assay for Human Platelet and Cell Surface Receptors via Cone-plate Viscometry
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Area of Science:

  • Cell Biology
  • Biophysics
  • Mechanobiology

Background:

  • Cellular microenvironments provide mechanical cues like force, stress, strain, rigidity, topology, and adhesiveness.
  • Cellular responses to mechanical cues include adaptation, proliferation, apoptosis, and differentiation.
  • Receptor-mediated mechanosensing is a multistep process initiated by cell surface receptors binding to ligands.

Purpose of the Study:

  • To review the fundamental process of cell mechanosensing.
  • To describe a four-step model for receptor-mediated mechanosensing.
  • To illustrate key concepts using examples of platelet glycoprotein Ib, T-cell receptor, and integrins.

Main Methods:

  • Literature review of cell mechanosensing.
  • Description of a four-step model for receptor-mediated mechanosensing.
  • Case studies using platelet glycoprotein Ib, T-cell receptor, and integrins.

Main Results:

  • Mechanosensing involves sensing and responding to the mechanical microenvironment.
  • A four-step model elucidates receptor-mediated mechanosensing.
  • Specific receptors like integrins play crucial roles in transmitting mechanical signals.

Conclusions:

  • Cell mechanosensing is a critical process for cellular adaptation and function.
  • The described four-step model provides a framework for understanding receptor-mediated mechanosensing.
  • Further research into specific mechanosensing pathways can reveal therapeutic targets.