The latent membrane protein 1 of Epstein-Barr virus establishes an antiviral state via induction of interferon-stimulated genes

Jun Zhang, Subash C. Das, Catherine Kotalik, Asit K Pattnaik, Luwen Zhang

Research output: Contribution to journalArticle

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Abstract

Epstein-Barr virus (EBV) infection is associated with several human cancers. Latent membrane protein 1 (LMP-1) is one of the key viral proteins required for transformation of primary B cells in vitro and establishment of EBV latency. In this report, we show that LMP-1 is able to induce the expression of several interferon (IFN)-stimulated genes (ISGs) with antiviral properties such as 2′-5′ oligoadenylate synthetase (OAS), stimulated irons-acting factor of 50 kDa (STAF-50), and ISG-15. LMP-1 inhibits vesicular stomatitis virus (VSV) replication at low multiplicity of infection (0.1 pfu/cell). The antiviral effect of LMP-1 is associated with the ability of LMP-1 to induce ISGs; an LMP-1 mutant that cannot induce ISGs fails to induce an antiviral state. High levels of ISGs are expressed in EBV latency cells in which LMP-1 is expressed. EBV latency cells have antiviral activity that inhibits replication of superinfecting VSV. The antiviral activity of LMP-1 is apparently not related to IFN production in our experimental systems. In addition, EBV latency is responsive to viral superinfection: LMP-1 is induced and EBV latency is disrupted by EBV lytic replication during VSV superinfection of EBV latency cells. These data suggest that LMP-1 has antiviral effect, which may be an intrinsic part of EBV latency program to assist the establishment and/or maintenance of EBV latency.

Original languageEnglish (US)
Pages (from-to)46335-46342
Number of pages8
JournalJournal of Biological Chemistry
Volume279
Issue number44
DOIs
StatePublished - Oct 29 2004

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Virus Latency
Viruses
Interferons
Human Herpesvirus 4
Antiviral Agents
Membrane Proteins
Genes
Vesicular Stomatitis
Superinfection
Virus Replication
Epstein-Barr virus EBV-associated membrane antigen
Epstein-Barr Virus Infections
Viral Proteins
Ligases
B-Lymphocytes
Maintenance
Cells

ASJC Scopus subject areas

  • Biochemistry
  • Molecular Biology
  • Cell Biology

Cite this

The latent membrane protein 1 of Epstein-Barr virus establishes an antiviral state via induction of interferon-stimulated genes. / Zhang, Jun; Das, Subash C.; Kotalik, Catherine; Pattnaik, Asit K; Zhang, Luwen.

In: Journal of Biological Chemistry, Vol. 279, No. 44, 29.10.2004, p. 46335-46342.

Research output: Contribution to journalArticle

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