ArticlePLoS pathogens2024
Fructose-1,6-diphosphate inhibits viral replication by promoting the lysosomal degradation of HMGB1 and blocking the binding of HMGB1 to the viral genome.
Article in PLoS pathogens, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Article
- Symbiotic Enterococcus faecalis potentiates viral pathogenesis via fructose-1,6-bisphosphate-mediated insect gut epithelial damage.NPJ biofilms and microbiomes · 2025Article
- Chromatin Immunoprecipitation (ChIP)-Quantitative PCR (qPCR) Analysis of Viral Genome-Host Protein Interactions.Methods in molecular biology (Clifton, N.J.) · 2025Article
- RNA-Binding Protein Immunoprecipitation 1 (RIP) Assay to Investigate the Interactions Between Viral RNA and Host Proteins.Methods in molecular biology (Clifton, N.J.) · 2025Article
Corrections and comments
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Authors and funding
22 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Fructose-1,6-diphosphate (FBP), a key glycolytic metabolite, is recognized for its cytoprotective effects during stress. However, the role of FBP in viral infections is unknown. Here, we demonstrate that virus-infected cells exhibit elevated FBP levels. Exogenous FBP inhibits both RNA and DNA virus infections in vitro and in vivo. Modulating intracellular FBP levels by regulating the expression of the metabolic enzymes FBP1 and PFK1 significantly impacts viral infections. Mechanistically, the inhibitory effects of FBP are not a result of altered viral adhesion or entry and are largely independent of type I interferon-mediated immune responses; rather, they occur through modulation of HMGB1. During viral infections, FBP predominantly reduces the protein levels of HMGB1 by facilitating its lysosomal degradation. Furthermore, FBP interacts with HMGB1 and disrupts the binding of HMGB1 to viral genomes, thereby further inhibiting viral replication. Our findings underscore the potential of FBP as a therapeutic target for controlling viral infections.
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