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Peroxisome proliferator-activated receptor-gamma agonists inhibit the replication of respiratory syncytial virus (RSV) in human lung epithelial cells.

Abstract：

:We have previously shown that peroxisome proliferator-activated receptor-gamma (PPARgamma) agonists inhibited the inflammatory response of RSV-infected human lung epithelial cells. In this study, we supply evidence that specific PPARgamma agonists (15d-PGJ2, ciglitazone, troglitazone, Fmoc-Leu) efficiently blocked the RSV-induced cytotoxicity and development of syncytia in tissue culture (A549, HEp-2). All PPARgamma agonists under study markedly inhibited the cell surface expression of the viral G and F protein on RSV-infected A549 cells. This was paralleled by a reduced cellular amount of N protein-encoding mRNA determined by real-time RT-PCR. Concomitantly, a reduced release of infectious progeny virus into the cell supernatants of human lung epithelial cells (A549, normal human bronchial epithelial cells (NHBE)) was observed. Similar results were obtained regardless whether PPARgamma agonists were added prior to RSV infection or thereafter, suggesting that the agonists inhibited viral gene expression and not the primary adhesion or fusion process.

journal_name

Virology

journal_title

Virology

authors

Arnold R,König W

doi

10.1016/j.virol.2006.03.008

subject

Has Abstract

pub_date

2006-07-05 00:00:00

pages

335-46

issue

2

eissn

0042-6822

issn

1096-0341

pii

S0042-6822(06)00172-3

journal_volume

350

pub_type

杂志文章

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