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J. Virol., Jan 1997, 785-789, Vol 71, No. 1
DR Shafren, DJ Dorahy, SJ Greive, GF Burns and RD Barry
Competitive viral binding assays have revealed previously that
coxsackievirus A21 (CAV21) and human rhinovirus 14 (HRV14) share a common
cell surface receptor. More recently, intercellular adhesion molecule-1
(ICAM-1) has been identified as the cellular receptor for HRV-14. Also,
anti-ICAM-1 monoclonal antibodies (MAbs) blocked infection by HRV14, CAV13,
CAV18, and CAV21, suggesting that these viruses share this receptor;
however, this has never been established by more direct methods. In this
study we show conclusively that CAV21 binds to ICAM-1 and that MAbs
directed against the N-terminal domain of the molecule inhibit this
attachment. Furthermore, we show that the specific interaction between
ICAM-1 and 160S CAV21 virions induces formation of 135S A particles.
Finally, we show transfection of normally nonsusceptible mouse L cells with
human ICAM-1 cDNA renders them susceptible to infection by CAV21.
Copyright © 1997, American Society for Microbiology
Mouse cells expressing human intercellular adhesion molecule-1 are susceptible to infection by coxsackievirus A21
Department of Microbiology, Faculty of Medicine, The University of Newcastle, New South Wales, Australia. dshafren@medicine- dmb.newcastle.ed.au
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