Posttranscriptional regulation of beta interferon expression in erythroid Friend cells treated with gamma interferon.

Abstract:

:Treatment of Friend erythroleukemia cells (FLC) with gamma interferon (IFN-gamma) in the presence of anti-IFN-beta antibodies reduces the effectiveness of the antiviral state and the induction of 2'-5'-oligoadenylate synthetase activity, indicating that the antiviral activity of IFN-gamma in FLC is in part mediated by the production of IFN-beta. Accordingly, IFN-gamma induces a less pronounced antiviral state in FLC resistant to IFN-alpha/beta than in wild-type cells. Moreover, while results of run-on assays indicate that both IFN-alpha and -beta genes are constitutively transcribed in these cells, FLC treatment with IFN-gamma induces only IFN-beta mRNA accumulation. These results indicate that posttranscriptional mechanisms are involved in the regulation of IFN-beta and -alpha expression by IFN-gamma. The low amounts of the induced IFN-beta synergize with IFN-gamma in mounting the potent antiviral effect.

journal_name

J Virol

journal_title

Journal of virology

authors

Marziali G,Fiorucci G,Coccia EM,Percario Z,Raber J,Battistini A,Rossi GB,Affabris E,Romeo G

doi

10.1128/JVI.65.8.4130-4136.1991

subject

Has Abstract

pub_date

1991-08-01 00:00:00

pages

4130-6

issue

8

eissn

0022-538X

issn

1098-5514

journal_volume

65

pub_type

杂志文章