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Related Experiment Videos

Cadherin function: breaking the barrier.

K Ishii1, K J Green

  • 1Departments of Pathology and Dermatology, Northwestern University Medical School, 303 E. Chicago Avenue, Chicago, Illinois 60611, USA.

Current Biology : CB
|August 18, 2001
PubMed
Summary
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Altering desmoglein isoform ratios impacts skin barrier function. This suggests these proteins have roles beyond cell adhesion in the epidermis.

Area of Science:

  • Cell Biology
  • Dermatology
  • Molecular Biology

Background:

  • Desmosomes are crucial intercellular junctions in epithelial tissues.
  • Desmogleins and desmocollins form the adhesive core of desmosomes.
  • The specific roles of individual desmoglein isoforms are not fully understood.

Purpose of the Study:

  • To investigate the functional significance of desmoglein isoform ratios.
  • To determine if desmoglein isoforms have roles beyond cell adhesion.
  • To elucidate the impact of altered desmoglein ratios on epidermal barrier function.

Main Methods:

  • Analysis of desmoglein isoform expression.
  • Assessment of epidermal barrier integrity.
  • Investigation of cell adhesion assays.

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Main Results:

  • Changes in desmoglein isoform ratios were observed.
  • Altered ratios correlated with impaired epidermal barrier function.
  • Evidence suggests desmogleins influence barrier properties independently of adhesion.

Conclusions:

  • Desmoglein isoform composition is critical for epidermal homeostasis.
  • Desmogleins play multifaceted roles in epithelial tissue, including barrier regulation.
  • Further research into desmoglein function could reveal therapeutic targets for skin disorders.