ArticleJournal of virology2020
Genetic Analyses of Contributions of Viral Interleukin-6 Interactions and Signaling to Human Herpesvirus 8 Productive Replication.
Article in Journal of virology, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
5 citing papers in PubMed, 5 citations in OpenAlex.
- Immune escape mechanisms and therapeutic advances in virus-associated hematological malignancies.Blood cancer journal · 2026Review
- Review
- Direct and biologically significant interactions of human herpesvirus 8 interferon regulatory factor 1 with STAT3 and Janus kinase TYK2.PLoS pathogens · 2023Article
- Virally encoded interleukin-6 facilitates KSHV replication in monocytes and induction of dysfunctional macrophages.PLoS pathogens · 2023Article
- HHV-8-associated multicentric Castleman disease with concurrent Kaposi sarcoma.BMJ case reports · 2022Article
Corrections and comments
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
Abstract
Human herpesvirus 8 (HHV-8) viral interleukin-6 (vIL-6) is a cytokine that is poorly secreted and localized largely to the endoplasmic reticulum (ER). It has been implicated, along with other HHV-8 proinflammatory and/or angiogenic viral proteins, in HHV-8-associated Kaposi's sarcoma, primary effusion lymphoma (PEL), and multicentric Castleman's disease (MCD), in addition to an MCD-related disorder involving systemic elevation of proinflammatory cytokines, including vIL-6 and human IL-6 (hIL-6). In these diseases, lytic (productive) replication, in addition to viral latency, is believed to play a critical role. Proreplication activity of vIL-6 has been identified experimentally in PEL and endothelial cells, but the relative contributions of different vIL-6 interactions have not been established. Productive interactions of vIL-6 with the IL-6 signal transducer, gp130, can occur within the ER, but vIL-6 also interacts in the ER with a nonsignaling receptor called vitamin K epoxide reductase complex subunit 1 variant 2 (VKORC1v2), calnexin, and VKORC1v2- and calnexin-associated proteins UDP-glucose:glycoprotein glucosyltransferase 1 (UGGT1) and glucosidase II (GlucII). Here, we report the systematic characterization of interaction-altered vIL-6 variants and the lytic phenotypes of recombinant viruses expressing selected variants. Our data identify the critical importance of vIL-6 and its ER-localized activity via gp130 to productive replication in inducible SLK (epithelial) cells, absence of detectable involvement of vIL-6 interactions with VKORC1v2, GlucII, or UGGT1, and the insufficiency and lack of direct contributory effects of extracellular signaling by vIL-6 or hIL-6. These findings, obtained through genetics-based approaches, complement and extend previous analyses of vIL-6 activity.
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