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. 2014 Sep;11(3):182–190. doi: 10.7497/j.issn.2095-3941.2014.03.004

Table 1. Summary of HBx in hepatocarcinogenesis.

Mechanisms of HBx-induced hepatocarcinogenesis
  Regulatory noncoding RNAs
    miRNAs
       miR-148a activates mTOR11
       miR-15b increases the levels of Globo H12
       miR-205 increases the expression of ACSL1 and triglyceride13,14
       miR-224 silences Smad415
    lncRNAs
       HULC suppresses the expression of p1816
       Dreh represses the expression of intermediate filament protein vimentin17
  Epigenetic modification
    Methylation
       Upregulates the expression of DNMT1 and DNMT3A21-23
    Acetylation
       Induces the expression of HDAC124-26
       Upregulates SIRT128,29
Functions of HBx in HBx-related hepatocarcinogenesis
  Signaling pathway
    Akt
       Stabilizes β-catenin32
       Promotes IKKα nuclear translocation33
    Wnt
       Hyperactivates the transcription of cyclin D, VEGF, c-MYC, and AR36,37,64
    Stat
       Activates the Twist promoter39,40
    NF-κB
       Upregulates the heat shock protein gp9641
       Enhances the expression of IKKα42,43
  Cell transformation
    Exerting strong growth arrest and imbalanced cell-cycle progression45-47
  Apoptosis
    Caspases
       Inhibit Notch signaling49
       Accelerate the loss of Mcl-1 protein50
    Mitochondria
       Stimulate the mitochondrial translocation of Raf-151
       Induce the perinuclear clustering of the mitochondria52
       Increase the mitochondrial calcium uptake53
    PDCD4
       Induce TGF-β1-mediated apoptosis9,55
  Immune system
    Innate immune
       Prevent the induction of IFN-β58,59
    Adaptive immunity
       Accumulate CD8+ T cells62