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Lymphocyte adhesion to endothelium

U Dianzani1, F Malavasi

  • 1Dipartimento di Scienze Mediche, Universitá di Torino, Novara, Italy.

Critical Reviews in Immunology
|January 1, 1995
PubMed
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Lymphocyte homing relies on adhesion molecules acting as traffic signals. These molecules, regulated by "inside-out" signaling, guide immune cell migration and interactions, with therapeutic potential.

Area of Science:

  • Immunology
  • Cell Biology
  • Molecular Biology

Background:

  • Lymphocyte homing and recirculation are governed by specific adhesion receptors on lymphocytes and endothelial cells.
  • These receptors form a complex network, acting as
  • traffic signals
  • or
  • postcodes
  • for lymphocyte migration.
  • Key adhesion molecule families include immunoglobulin superfamily, integrins, selectins, cadherins, and mucin-like molecules, alongside CD44 and CD38.

Purpose of the Study:

  • To review the major features of adhesion molecules involved in lymphocyte migration.
  • To survey their roles in lymphocyte/endothelium interactions in vitro and in vivo.
  • To discuss the potential therapeutic applications of these molecules.

Related Experiment Videos

Main Methods:

  • Literature review of adhesion molecule functions in lymphocyte trafficking.
  • Analysis of in vitro and in vivo studies on lymphocyte-endothelium interactions.
  • Exploration of existing research on therapeutic strategies targeting adhesion molecules.

Main Results:

  • Adhesion molecules are crucial for lymphocyte migration, homing, and recirculation.
  • A complex regulatory network, including
  • inside-out
  • and
  • outside-in
  • signaling, controls receptor activation and function.
  • These molecules mediate critical interactions between lymphocytes, antigen-presenting cells, and target cells.

Conclusions:

  • Adhesion molecules play a multifaceted role in immune responses beyond simple cell anchoring.
  • Understanding their regulatory mechanisms and interactions is key to developing targeted therapies.
  • Therapeutic targeting of adhesion molecules holds promise for modulating immune cell trafficking and function.