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Assay of Adhesion Under Shear Stress for the Study of T Lymphocyte-Adhesion Molecule Interactions
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Adhesion molecules in cutaneous inflammation

J N Barker1

  • 1St John's Institute of Dermatology, United Medical School, St Thomas' Hospital, London, UK.

Ciba Foundation Symposium
|January 1, 1995
PubMed
Summary
This summary is machine-generated.

Leukocyte adhesion molecules are crucial in skin inflammation, directing immune cell movement and antigen presentation. Targeting these molecules in inflammatory skin diseases offers significant therapeutic potential.

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Area of Science:

  • Immunology
  • Dermatology
  • Cell Biology

Background:

  • Leukocyte adhesion molecules (LAMs) and their ligands are key players in skin inflammation.
  • Their roles include directing leukocyte trafficking and influencing antigen presentation.

Purpose of the Study:

  • To investigate the expression and function of LAMs in the skin during inflammatory conditions.
  • To explore the therapeutic potential of targeting LAMs in skin diseases.

Main Methods:

  • Analysis of skin biopsies from patients with psoriasis and atopic dermatitis.
  • Studies on skin lesions induced by UVB, Mantoux reaction, and contact allergens.
  • In vitro studies involving cytokine and neuropeptide injections into normal human skin.

Main Results:

  • Up-regulation of P-selectin, E-selectin, VCAM-1, and ICAM-1 observed in inflamed skin.
  • LAM expression correlated with leukocyte infiltration in evolving lesions.
  • Cytokines (IL-1, TNF-α, IFN-γ) and neuropeptides induced LAMs and leukocyte infiltration.
  • LAMs are vital for antigen presentation by Langerhans' cells.

Conclusions:

  • Leukocyte adhesion molecules are central to cutaneous inflammation and immune cell interactions in the skin.
  • The skin serves as an accessible model for studying LAMs in inflammatory events.
  • Inhibiting leukocyte accumulation via LAMs presents a promising therapeutic strategy for inflammatory skin diseases.