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Summary Cell Junctions Overview

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Basic overview of types of cell junctions and what their role is, including diagrams of junctions.

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Swansea University (SWAN)
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Uploaded on
December 5, 2023
Number of pages
2
Written in
2023/2024
Type
Summary

Subjects

  • cell junctions
  • cell
  • junctions
  • eukaryotic cell
  • eukaryotic cell junctions
  • biology
  • eukaryotic cell biology
  • tight junctions
  • adherens junctions
  • desmosomes
  • gap junctions
  • hemi desmosomes

Content preview

Cell Junctions Overview

Types:
● Tight junctions
● Adherens junctions
● Desmosomes
● Hemi-desmosomes
● Gap junctions




Tight Junctions
● Regulate transport of molecules between
epithelial cells
● Preserve epithelial polarity - serves as a ‘fence’,
preventing diffusion of plasma membrane
proteins between basal and apical regions




Adherens Junctions
● Family of related cell surface domains
● Link neighbouring cells together




Desmosomes
● Provide structural stability to
sheets of epithelial cells
● Link intermediate filament
networks of neighbouring cells
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