ArticleThe Journal of biological chemistry2010
Kaposi sarcoma-associated herpesvirus latency-associated nuclear antigen inhibits interferon (IFN) beta expression by competing with IFN regulatory factor-3 for binding to IFNB promoter.
Article in The Journal of biological chemistry, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 49 papers.
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Who cites it
49 citing papers in PubMed, 64 citations in OpenAlex.
- Inhibition of KDM5A/B promotes antitumor innate immune responses in HHV-8/KSHV-positive B-cell lymphomas.Npj viruses · 2026Article
- Roles of the cGAS-STING signaling pathway in viral latency.Journal of virology · 2026Review
- Inhibition of KDM5A/B promotes antitumor innate immune responses in HHV-8/KSHV-positive B-cell lymphomas.bioRxiv : the preprint server for biology · 2026Article
- Recent Advances in Development of Kaposi's Sarcoma-Associated Herpesvirus-Latency-Associated Nuclear Antigen Targeted Therapies.Journal of medical virology · 2025Review
- The Cytomegalovirus M35 Protein Directly Binds to the Interferon-β Enhancer and Modulates Transcription ofJournal of virology · 2023Article
- Review
- Review
- Kaposi Sarcoma, a Trifecta of Pathogenic Mechanisms.Diagnostics (Basel, Switzerland) · 2022Review
- Activation and Evasion of Innate Immunity by Gammaherpesviruses.Journal of molecular biology · 2022Review
- Review
- The C-Terminal Domain of Salmonid Alphavirus Nonstructural Protein 2 (nsP2) Is Essential and Sufficient To Block RIG-I Pathway Induction and Interferon-Mediated Antiviral Response.Journal of virology · 2021Article
- Review
- Interferon Regulatory Factor 3 Supports the Establishment of Chronic Gammaherpesvirus Infection in a Route- and Dose-Dependent Manner.Journal of virology · 2021Article
- Targeting XPO1 enhances innate immune response and inhibits KSHV lytic replication during primary infection by nuclear stabilization of the p62 autophagy adaptor protein.Cell death & disease · 2021Article
- ICP22/IE63 Mediated Transcriptional Regulation and Immune Evasion: Two Important Survival Strategies for Alphaherpesviruses.Frontiers in immunology · 2021Review
- Human Norovirus NTPase Antagonizes Interferon-β Production by Interacting With IkB Kinase ε.Frontiers in microbiology · 2021Article
- Review
- Of Keeping and Tipping the Balance: Host Regulation and Viral Modulation of IRF3-DependentViruses · 2020Review
- Type I interferon signaling, regulation and gene stimulation in chronic virus infection.Seminars in immunology · 2019Review
- Validation of a cell-based colorimetric reporter gene assay for the evaluation of Type I Interferons.Biotechnology reports (Amsterdam, Netherlands) · 2019Article
Corrections and comments
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Authors and funding
2 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Host cells respond to viral infections by synthesizing and producing antiviral molecules such as type I interferons (IFN). The Kaposi sarcoma-associated herpesvirus (KSHV) encodes multiple proteins expressed during the lytic replication cycle that alter the antiviral response of the host. Considering that in Kaposi sarcoma lesions and primary effusion lymphoma cells KSHV is latent in the vast majority of cells, we were interested in determining whether latently expressed viral proteins have the ability to modulate IFN synthesis. The latency-associated nuclear antigen (LANA-1) is a large nuclear protein that plays a role in the establishment and maintenance of latent KSHV episome in the nucleus of infected cells. LANA-1 is also described to modulate the cellular transcription. Here, we report that LANA-1 inhibits IFN-beta transcription and synthesis by competing with the binding of interferon regulatory factor-3 (IRF3) to the IFNB promoter. Using mutants of LANA-1, we have identified the central acidic repeated region as the domain essential for interfering with the binding of IRF3 to the positive regulatory domains I-III of the IFNB promoter. In addition, the nuclear localization of LANA-1 proved essential for IFN-beta inhibition. Thus, LANA-1 interferes with the formation of IFN-beta enhanceosome by competing with the fixation of IRF3 and by inhibiting the expression of the CREB-binding protein. The ability of LANA-1 to inhibit IFNB gene expression highlights a new role for this protein in cellular gene modulation and immune evasion strategies.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.