Complete Identification of E-Selectin Ligands on Neutrophils Reveals Distinct Functions of PSGL-1, ESL-1, and CD44

Andrés Hidalgo, Anna J. Peired, Martin K. Wild, Dietmar Vestweber, Paul S. Frenette

Research output: Contribution to journalArticle

194 Citations (Scopus)

Abstract

The selectins and their ligands are required for leukocyte extravasation during inflammation. Several glycoproteins have been suggested to bind to E-selectin in vitro, but the complete identification of its physiological ligands has remained elusive. Here, we showed that E-selectin ligand-1 (ESL-1), P-selectin glycoprotein ligand-1 (PSGL-1), and CD44 encompassed all endothelial-selectin ligand activity on neutrophils by using gene- and RNA-targeted loss of function. PSGL-1 played a major role in the initial leukocyte capture, whereas ESL-1 was critical for converting initial tethers into steady slow rolling. CD44 controlled rolling velocity and mediated E-selectin-dependent redistribution of PSGL-1 and L-selectin to a major pole on slowly rolling leukocytes through p38 signaling. These results suggest distinct and dynamic contributions of these three glycoproteins in selectin-mediated neutrophil adhesion and signaling.

Original languageEnglish (US)
Pages (from-to)477-489
Number of pages13
JournalImmunity
Volume26
Issue number4
DOIs
StatePublished - Apr 27 2007
Externally publishedYes

Fingerprint

Selectins
E-Selectin
Neutrophils
Ligands
Glycoproteins
Leukocytes
Leukocyte Rolling
L-Selectin
RNA
Inflammation
Genes
cysteine-rich fibroblast growth factor receptor
P-selectin ligand protein

Keywords

  • CELL_IMMUNO
  • MOL_IMMUNO

ASJC Scopus subject areas

  • Immunology and Allergy
  • Infectious Diseases
  • Immunology

Cite this

Complete Identification of E-Selectin Ligands on Neutrophils Reveals Distinct Functions of PSGL-1, ESL-1, and CD44. / Hidalgo, Andrés; Peired, Anna J.; Wild, Martin K.; Vestweber, Dietmar; Frenette, Paul S.

In: Immunity, Vol. 26, No. 4, 27.04.2007, p. 477-489.

Research output: Contribution to journalArticle

Hidalgo, Andrés ; Peired, Anna J. ; Wild, Martin K. ; Vestweber, Dietmar ; Frenette, Paul S. / Complete Identification of E-Selectin Ligands on Neutrophils Reveals Distinct Functions of PSGL-1, ESL-1, and CD44. In: Immunity. 2007 ; Vol. 26, No. 4. pp. 477-489.
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