ArticleFrontiers in immunology2024
Cholesterol metabolism regulator SREBP2 inhibits HBV replication via suppression of HBx nuclear translocation.
Article in Frontiers in immunology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Hippocampal Lipocalin-2 in T2DM Associated Neurodegeneration: A Therapeutic Perspective.Neurochemical research · 2026Review
- Regulation of hepatitis B virus cccDNA by metabolic pathways: Editorial on "GDH1-dependent α-ketoglutarate promotes HBV transcription by modulating histone methylations on the cccDNA minichromosome".Clinical and molecular hepatology · 2026Article
- Editorial: Host factors in hepatitis B virus: mechanistic insights and implications for interferon therapy.Frontiers in immunology · 2026Article
- Article
- Current status and challenges of therapeutic targets, novel drugs and delivery systems for hepatitis B: how far to our goal?Frontiers in cellular and infection microbiology · 2025Review
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Authors and funding
14 authors.
Funding
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Abstract
The intricate link between cholesterol metabolism and host immune responses is well recognized, but the specific mechanisms by which cholesterol biosynthesis influences hepatitis B virus (HBV) replication remain unclear. In this study, we show that SREBP2, a key regulator of cholesterol metabolism, inhibits HBV replication by interacting directly with the HBx protein, thereby preventing its nuclear translocation. We also found that inhibiting the ER-to-Golgi transport of the SCAP-SREBP2 complex or blocking SREBP2 maturation significantly enhances HBV suppression. Notably, we demonstrate that the C-terminal domain (CTD) of SREBP2, rather than its N-terminal domain (NTD), mediates this inhibition by interacting with HBx and promoting its extracellular secretion, thus reducing nuclear HBx accumulation. These findings reveal a novel regulatory pathway that links cholesterol metabolism to HBV replication via SREBP2-mediated control of HBx localization. This insight provides a potential basis for new therapeutic strategies against HBV infection, addressing an important global health issue.
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