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Related Concept Videos

Integrins01:10

Integrins

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Animal and protozoan cells do not have cell walls to help maintain shape and provide structural stability. Instead, these eukaryotic cells secrete a sticky mass of carbohydrates and proteins into the spaces between adjacent cells. This network of proteins and molecules is called an extracellular matrix or ECM.
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Adhesion01:14

Adhesion

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Adhesion occurs when one type of molecule is attracted to a different molecule. Water exhibits adhesive properties in the presence of polar surfaces, such as glass or cellulose in plants. For instance, when water is poured into a glass, the positively charged hydrogen molecules of water are more attracted to the negatively charged oxygen molecules in the silica than to the oxygen in neighboring water molecules.
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Frequency-dependent Selection01:21

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When the fitness of a trait is influenced by how common it is (i.e., its frequency) relative to different traits within a population, this is referred to as frequency-dependent selection. Frequency-dependent selection may occur between species or within a single species. This type of selection can either be positive—with more common phenotypes having higher fitness—or negative, with rarer phenotypes conferring increased fitness.
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Medications are typically administered to achieve therapeutic effects. Some drugs can modify an individual's mood and perception, frequently resulting in various enjoyable experiences. However, this can result in drug dependency, a condition marked by continuous drug use despite potential negative consequences. Drug dependency primarily falls into two categories: psychological and physical dependence. Psychological dependence occurs when the pleasurable feelings induced by the drug...
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Contact-dependent Signaling01:19

Contact-dependent Signaling

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Contact-dependent signaling, as the name suggests, requires that communicating cells be in direct contact with each other. This is achieved either through receptor-ligand interactions or by specialized cytoplasmic channels that allow the flow of small molecules between cells. In animal cells, channels called gap junctions facilitate contact-dependent signaling in certain tissues, whereas, plasmodesmata perform a similar function in plants.
Gap Junctions
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Induction of Adhesion-dependent Signals Using Low-intensity Ultrasound
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Induction of Adhesion-dependent Signals Using Low-intensity Ultrasound

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Analyzing Integrin-Dependent Adhesion.

A Paul Mould1

  • 1University of Manchester, Manchester, United Kingdom.

Current Protocols in Cell Biology
|October 3, 2018
PubMed
Summary
This summary is machine-generated.

This unit details methods for analyzing integrin-dependent cell adhesion using cell adhesion assays and solid-phase assays. These techniques help identify integrins mediating cell-substrate interactions and measure ligand affinities.

Keywords:
adhesioncell biologyextracellular matrix

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Area of Science:

  • Cell Biology
  • Biochemistry
  • Immunology

Background:

  • Integrins are crucial cell surface receptors mediating cell adhesion and signaling.
  • Understanding integrin function is vital for studying cell migration, tissue development, and disease.
  • Standardized methods are needed for reliable analysis of integrin-dependent adhesion.

Purpose of the Study:

  • To describe established methods for analyzing integrin-dependent cell adhesion.
  • To provide guidance on selecting antibodies for cell adhesion assays.
  • To outline solid-phase assay applications for quantifying integrin-ligand interactions and inhibitor efficacy.

Main Methods:

  • Cell adhesion assays to identify integrin involvement in cell-substrate interactions.
  • Detailed list of antibodies for specific integrin targeting.
  • Solid-phase assays utilizing purified integrins and ligands.

Main Results:

  • Established protocols for cell adhesion assays are presented.
  • A comprehensive antibody list for integrin identification is provided.
  • Solid-phase assays enable measurement of integrin apparent affinities and IC50 values for inhibitors.

Conclusions:

  • The described methods provide a robust framework for studying integrin-dependent adhesion.
  • These assays are essential tools for both basic research and drug discovery.
  • Accurate analysis of integrin function is critical for understanding cellular processes.