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Selectins

R P McEver1

  • 1WK Warren Medical Research Institute, University of Oklahoma Health Sciences Center, Oklahoma City.

Current Opinion in Immunology
|February 1, 1994
PubMed
Summary
This summary is machine-generated.

Selectins are crucial cell receptors mediating leukocyte rolling via carbohydrate recognition. Their controlled expression is vital for preventing inflammatory disorders and ensuring proper leukocyte recruitment.

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Area of Science:

  • Immunology
  • Cell Biology
  • Biochemistry

Background:

  • Selectins are cell adhesion molecules mediating initial leukocyte rolling.
  • They recognize cell surface carbohydrates in a calcium-dependent manner.
  • Aberrant selectin expression is implicated in inflammatory diseases.

Purpose of the Study:

  • To summarize the role of selectins in leukocyte adhesion.
  • To highlight the importance of selectin-ligand interactions.
  • To discuss the implications of selectin dysregulation in inflammation.

Main Methods:

  • Review of recent in vivo studies on selectin function.
  • Analysis of selectin-mediated cell adhesion mechanisms.
  • Examination of carbohydrate-protein interactions in selectin binding.

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Main Results:

  • Selectins initiate leukocyte rolling on endothelium and platelets.
  • Specific glycoproteins enhance cell adhesion by presenting high-affinity ligands.
  • In vivo studies confirm selectins' role in leukocyte recruitment.

Conclusions:

  • Selectins are key regulators of leukocyte trafficking.
  • Tight control of selectin synthesis and display is essential.
  • Inappropriate selectin expression contributes to inflammatory conditions.