XO increases neutrophil adherence to endothelial cells by a dual ICAM-1 and P-selectin-mediated mechanism

Lance S. Terada, Brooks M. Hybertson, Kevin G. Connelly, David Weill, Dale Piermattei, John E. Repine

Research output: Contribution to journalArticle

27 Citations (Scopus)

Abstract

Circulating xanthine oxidase (XO) can modify adhesive interactions between neutrophils and the vascular endothelium, although the mechanisms underlying this effect are not clear. We found that treatment with XO of bovine pulmonary artery endothelial cells (EC), but not neutrophils or plasma, increased adherence, suggesting that XO had its primary effect on EC. The mechanism by which XO increased neutrophil adherence to EC involved binding of XO to EC and production of H2O2. XO also increased platelet- activating factor production by EC by a H2O2-dependent mechanism. Similarly, the platelet-activating factor-receptor antagonist WEB-2086 completely blocked XO-mediated neutrophil EC adherence. In addition, neutrophil adherence was dependent on the β2-integrin Mac-1 (CD11b/CD18) but not on leukocyte functional antigen-1 (CD11a/CD18). Treatment of EC with XO for 30 min did not alter intercellular adhesion molecule-1 surface expression but increased expression of P-selectin and release of von Willibrand factor. Antibodies against P-selectin (CD62) did not affect XO- mediated neutrophil adherence under static conditions but decreased both rolling and firm adhesive interactions under conditions of shear. We conclude that extracellular XO associates with the endothelium and promotes neutrophil-endothelial cell interactions through dual intercellular adhesion molecule-1 and P-selectin ligation, by a mechanism that involves platelet- activating factor and H2O2 as intermediates.

Original languageEnglish (US)
Pages (from-to)866-873
Number of pages8
JournalJournal of Applied Physiology
Volume82
Issue number3
StatePublished - Mar 1997

Fingerprint

P-Selectin
Xanthine Oxidase
Intercellular Adhesion Molecule-1
Neutrophils
Endothelial Cells
Platelet Activating Factor
WEB 2086
Adhesives
Vascular Endothelium
HLA Antigens
Integrins
Cell Communication
Pulmonary Artery
Endothelium
Ligation

Keywords

  • acute respiratory distress syndrome
  • CD11a
  • CD11b
  • CD18
  • heparin
  • hydrogen peroxide
  • leukocyte functional antigen-1
  • Mac- 1
  • multiorgan failure
  • platelet activating factor
  • xanthine oxidase

ASJC Scopus subject areas

  • Physiology
  • Endocrinology
  • Orthopedics and Sports Medicine
  • Physical Therapy, Sports Therapy and Rehabilitation

Cite this

Terada, L. S., Hybertson, B. M., Connelly, K. G., Weill, D., Piermattei, D., & Repine, J. E. (1997). XO increases neutrophil adherence to endothelial cells by a dual ICAM-1 and P-selectin-mediated mechanism. Journal of Applied Physiology, 82(3), 866-873.

XO increases neutrophil adherence to endothelial cells by a dual ICAM-1 and P-selectin-mediated mechanism. / Terada, Lance S.; Hybertson, Brooks M.; Connelly, Kevin G.; Weill, David; Piermattei, Dale; Repine, John E.

In: Journal of Applied Physiology, Vol. 82, No. 3, 03.1997, p. 866-873.

Research output: Contribution to journalArticle

Terada, LS, Hybertson, BM, Connelly, KG, Weill, D, Piermattei, D & Repine, JE 1997, 'XO increases neutrophil adherence to endothelial cells by a dual ICAM-1 and P-selectin-mediated mechanism', Journal of Applied Physiology, vol. 82, no. 3, pp. 866-873.
Terada, Lance S. ; Hybertson, Brooks M. ; Connelly, Kevin G. ; Weill, David ; Piermattei, Dale ; Repine, John E. / XO increases neutrophil adherence to endothelial cells by a dual ICAM-1 and P-selectin-mediated mechanism. In: Journal of Applied Physiology. 1997 ; Vol. 82, No. 3. pp. 866-873.
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