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Measurement of the Hepatic Venous Pressure Gradient and Transjugular Liver Biopsy
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Intercellular Communication between Hepatic Cells in Liver Diseases.

Keisaku Sato1,2, Lindsey Kennedy3,4, Suthat Liangpunsakul5,6

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Liver diseases involve cell communication through extracellular vesicles (EVs). These EVs transfer disease signals, driving inflammation and fibrosis, and represent a potential therapeutic target.

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Area of Science:

  • Hepatology
  • Cell Biology
  • Biochemistry

Background:

  • Liver diseases involve complex cellular crosstalk between hepatocytes and non-parenchymal cells.
  • Cellular communication is mediated by secreted factors including peptides, hormones, and cytokines.
  • Extracellular vesicles (EVs) are emerging as key mediators of intercellular communication.

Purpose of the Study:

  • To review the role of EVs in liver disease pathogenesis.
  • To summarize how EVs mediate cell-to-cell communication in liver diseases.
  • To explore the therapeutic potential of targeting EVs in liver diseases.

Main Methods:

  • Literature review of studies on EVs in liver disease.
  • Analysis of EV cargo (proteins, DNA, RNA) and their effects on recipient cells.
  • Examination of EV-mediated processes like inflammation, angiogenesis, and fibrogenesis.

Main Results:

  • Liver cells release increased EVs during disease states.
  • Disease-associated EVs deliver specific proteins and RNAs to recipient liver cells.
  • EVs contribute to liver disease progression by inducing inflammation, angiogenesis, and fibrogenesis.

Conclusions:

  • EVs play a significant role in the pathogenesis of liver diseases.
  • EV-mediated cell-to-cell communication is a critical aspect of liver disease progression.
  • Targeting EVs offers a promising novel therapeutic strategy for liver diseases.