Human Herpesvirus 8 Viral Interleukin-6 Signaling through gp130 Promotes Virus Replication in Primary Effusion Lymphoma and Endothelial Cells | Zendy

Emily Cousins | Zendy; Yang Gao | Zendy; Gordon Sandford | Zendy; John Nicholas | Zendy

Open Access

Human Herpesvirus 8 Viral Interleukin-6 Signaling through gp130 Promotes Virus Replication in Primary Effusion Lymphoma and Endothelial Cells

Author(s) -

Emily Cousins,

Yang Gao,

Gordon Sandford,

John Nicholas

Publication year - 2014

Publication title -

journal of virology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.617

H-Index - 292

eISSN - 1070-6321

pISSN - 0022-538X

DOI - 10.1128/jvi.01751-14

Subject(s) - primary effusion lymphoma , biology , mapk/erk pathway , viral replication , stat protein , signal transduction , microbiology and biotechnology , stat3 , glycoprotein 130 , transactivation , virology , virus , transcription factor , biochemistry , gene

The contributions of human herpesvirus 8 (HHV-8) viral interleukin-6 (vIL-6) to virus biology remain unclear. Here we examined the role of vIL-6/gp130 signaling in HHV-8 productive replication in primary effusion lymphoma and endothelial cells. Depletion and depletion-complementation experiments revealed that endoplasmic reticulum-localized vIL-6 activity via gp130 and gp130-activated signal transducer and activator of transcription (STAT) signaling, but not extracellular signal-regulated kinase (ERK) activation, was critical for vIL-6 proreplication activity. Our data significantly extend current understanding of vIL-6 function and associated mechanisms in HHV-8 biology.

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