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Related Experiment Videos

Control of lymphocyte homing

L J Picker1

  • 1Department of Pathology, University of Texas Southwestern Medical Center, Dallas 75235.

Current Opinion in Immunology
|June 1, 1994
PubMed
Summary

Immune cell distribution relies on tissue homing mechanisms. Recent advances clarify how lymphocytes interact with blood vessels and tissues for targeted immune responses.

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Area of Science:

  • Immunology
  • Cell Biology
  • Molecular Biology

Background:

  • Immune response effectiveness depends on strategic lymphocyte distribution.
  • Lymphocyte homing mechanisms exhibit plasticity, guided by microenvironmental cues.
  • Understanding these mechanisms is crucial for both protective and pathological immunity.

Purpose of the Study:

  • To review recent progress in understanding lymphocyte homing.
  • To elucidate the molecular basis of lymphocyte-endothelial interactions.
  • To explore the role of the tissue microenvironment in lymphocyte recruitment and retention.

Main Methods:

  • Review of recent scientific literature on lymphocyte homing.
  • Analysis of molecular interactions during lymphocyte extravasation.
  • Investigation of extravascular matrix and cellular roles in lymphocyte retention.
  • Examination of microenvironmental regulation of adhesion molecules.

Main Results:

  • Significant progress in understanding the molecular basis of lymphocyte-endothelium interactions.
  • New insights into the multistep process of lymphocyte extravasation.
  • Clarification of the role of extravascular matrix and cells in retaining lymphocytes.
  • Understanding of how local microenvironments control site-selective lymphocyte homing.

Conclusions:

  • Recent advances have deepened our understanding of lymphocyte homing mechanisms.
  • The plasticity of homing is controlled by sophisticated molecular and microenvironmental interactions.
  • This knowledge is vital for manipulating immune responses in various tissues.

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