Misc.

Peer-reviewed International journal
Dec 23, 2003

Binding of Plasmodium falciparum-infected erythrocytes to the membrane-bound form of Fractalkine/CX3CL1.

Proceedings of the National Academy of Sciences of the United States of America
  • Toshimitsu Hatabu
  • ,
  • Shin-Ichiro Kawazu
  • ,
  • Masamichi Aikawa
  • ,
  • Shigeyuki Kano

Volume
100
Number
26
First page
15942
Last page
6
Language
English
Publishing type
DOI
10.1073/pnas.2534560100
Publisher
NATL ACAD SCIENCES

Plasmodium falciparum-infected erythrocytes (pRBCs) adhere to the endothelium via receptors expressed on the surface of vascular endothelial cells (EC) and sequester in the microvasculature of several organs and block the blood circulation. The sequestration, which involves receptors, may be related to the severity of malaria. Here, we report that pRBCs bind to the membrane-bound form of Fractalkine/CX3CL1 (FKN), which is expressed on the surface of vascular EC in various organs. pRBCs adhered to FKN on the surface of FKN cDNA-transfected Chinese hamster ovary cells (CHO-FKN cells). Both the recombinant human FKN-chemokine domain (FKN-CD) and anti-FKN-CD antibody efficiently blocked adherence of pRBCs to CHO-FKN cells. Similar to binding between FKN and FKN receptor on blood mononuclear cells, two amino acid residues, Lys-7 and Arg-47 within FKN-CD, were critical for FKN-pRBC binding. Immunohistological analysis revealed the expression of FKN on EC at the site of sequestration in the brain of a patient with cerebral malaria. These results suggest that the membrane-bound form of FKN acts as a receptor for pRBCs, and this may contribute to furthering our present understanding of cytoadherence in the pathology of falciparum malaria.

Link information
DOI
https://doi.org/10.1073/pnas.2534560100
PubMed
https://www.ncbi.nlm.nih.gov/pubmed/14665693
PubMed Central
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC307672
Web of Science
https://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=JSTA_CEL&SrcApp=J_Gate_JST&DestLinkType=FullRecord&KeyUT=WOS:000187554600116&DestApp=WOS_CPL
ID information
  • DOI : 10.1073/pnas.2534560100
  • ISSN : 0027-8424
  • Pubmed ID : 14665693
  • Pubmed Central ID : PMC307672
  • Web of Science ID : WOS:000187554600116

Export
BibTeX RIS