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Expression of SV40 receptors on apical surfaces of polarized epithelial cells.

Abstract：

:We have investigated the interaction of SV40 virions with polarized monkey kidney epithelial cells. Virions were tagged with biotin to facilitate their detection and were found to retain full infectivity. When polarized Vero C1008 cells were incubated with biotinylated virions followed by a strepavidin-rhodamine conjugate, distinct cell populations were identified which expressed very different levels of SV40 receptors. The parental Vero C1008 cells yielded three types of cell clones which exhibited low, moderate, or predominantly high levels of SV40 binding. Virus-binding assays to each of these clones as well as to parental Vero C1008 cells indicated that the level of SV40 receptor expression is cell-cycle-dependent. The cellular receptors for influenza A virus (WSN strain) were also found to be distributed heterogeneously on polarized epithelial cells. In contrast, in several types of nonpolarized cells, SV40 receptors were found to be uniformly distributed over the monolayer. SV40 binding was not found to correlate with HLA expression on Vero C1008 cells or other cell types. Also in contrast to SV40 receptor expression, which is restricted to the apical domain, HLA was found to be distributed on both apical and basolateral domains of Vero C1008 cells.

journal_name

Virology

journal_title

Virology

authors

Basak S,Turner H,Compans RW

doi

10.1016/0042-6822(92)91225-j

subject

Has Abstract

pub_date

1992-09-01 00:00:00

pages

393-402

issue

1

eissn

0042-6822

issn

1096-0341

pii

0042-6822(92)91225-J

journal_volume

190

pub_type

杂志文章

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