Title: Plasmodium falciparum-infected erythrocytes: a mutational analysis of cytoadherence via murine thrombomodulin
Authors: Rabhi-Sabile, S ×
Steiner-Mosonyi, M
Pollefeyt, S
Collen, Desire
Pouvelle, B
Gysin, J
Boffa, M C
Conway, E M #
Issue Date: Jul-1999
Series Title: Thrombosis and haemostasis vol:81 issue:5 pages:815-21
Abstract: The pathophysiologic events leading to organ damage in Plasmodium falciparum malaria infections involve adhesion and sequestration of parasite-infected erythrocytes (PRBC) to the vascular endothelium and syncytiotrophoblast. Several potential receptors to which the PRBCs may bind have recently been identified, one of which is thrombomodulin (TM). TM has been implicated particularly in mediating sequestration of P. falciparum-infected erythrocytes in the placenta and brain, two sites of disease associated with high morbidity. In order to establish that binding of parasite-infected red blood cells to TM is dependent on its containing chondroitin-4-sulfate (CSA), we have mutated the CSA-attachment site of murine TM, and expressed this mutant form (TMsergly) in COS-7 cells. In cytoadhesion assays, we demonstrate that, in contrast to wild-type TM which contains CSA and supports the adhesion of 1466 PRBCs/mm2, TMser-gly does not contain CSA and adhesion of PRBCs to those cells expressing TMser-gly is entirely abrogated (200 PRBCs/mm2). These studies further confirm that the CSA of TM may play a role in the pathophysiology of malaria by providing a binding site for PRBCs.
ISSN: 0340-6245
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Molecular and Vascular Biology
× corresponding author
# (joint) last author

Files in This Item:

There are no files associated with this item.

Request a copy


All items in Lirias are protected by copyright, with all rights reserved.

© Web of science