Human vascular endothelial cell adhesion receptors for Plasmodium falciparum-infected erythrocytes: roles for endothelial leukocyte adhesion molecule 1 and vascular cell adhesion molecule 1

J Exp Med. 1992 Oct 1;176(4):1183-9. doi: 10.1084/jem.176.4.1183.

Abstract

The clinical complications associated with severe and cerebral malaria occur as a result of the intravascular mechanical obstruction of erythrocytes infected with the asexual stages of the parasite, Plasmodium falciparum. We now report that a primary P. falciparum-infected erythrocyte (parasitized red blood cell [PRBC]) isolate from a patient with severe complicated malaria binds to cytokine-induced human vascular endothelial cells, and that this adhesion is in part mediated by endothelial leukocyte adhesion molecule 1 (ELAM-1) and vascular cell adhesion molecule 1 (VCAM-1). PRBC binding to tumor necrosis factor alpha (TNF-alpha)-activated human vascular endothelial cells is partially inhibited by antibodies to ELAM-1 and ICAM-1 and the inhibitory effects of these antibodies is additive. PRBCs selected in vitro by sequential panning on purified adhesion molecules bind concurrently to recombinant soluble ELAM-1 and VCAM-1, and to two previously identified endothelial cell receptors for PRBCs, ICAM-1, and CD36. Post-mortem brain tissue from patients who died from cerebral malaria expressed multiple cell adhesion molecules including ELAM-1 and VCAM-1 on cerebral microvascular endothelium not expressed in brains of individuals who died from other causes. These results ascribe novel pathological functions for both ELAM-1 and VCAM-1 and may help delineate alternative adhesion pathways PRBCs use to modify malaria pathology.

Publication types

  • Research Support, Non-U.S. Gov't
  • Research Support, U.S. Gov't, Non-P.H.S.
  • Research Support, U.S. Gov't, P.H.S.

MeSH terms

  • Animals
  • CHO Cells
  • Cell Adhesion / physiology*
  • Cell Adhesion Molecules / genetics
  • Cell Adhesion Molecules / immunology
  • Cell Adhesion Molecules / physiology*
  • Cells, Cultured
  • Cricetinae
  • E-Selectin
  • Endothelium, Vascular / drug effects
  • Endothelium, Vascular / physiology*
  • Erythrocytes / parasitology*
  • Erythrocytes / physiology*
  • Humans
  • Integrins / physiology*
  • Intercellular Adhesion Molecule-1
  • Malaria, Falciparum / blood*
  • Plasmodium falciparum / pathogenicity*
  • Recombinant Proteins / immunology
  • Transfection
  • Tumor Necrosis Factor-alpha / pharmacology
  • Umbilical Veins

Substances

  • Cell Adhesion Molecules
  • E-Selectin
  • Integrins
  • Recombinant Proteins
  • Tumor Necrosis Factor-alpha
  • Intercellular Adhesion Molecule-1