Related Experiment Video

Updated: Nov 27, 2025

Isolation of Exosomes from the Plasma of HIV-1 Positive Individuals
06:46

Isolation of Exosomes from the Plasma of HIV-1 Positive Individuals

Published on: January 5, 2016

17.7K

Exosomes in Hepatitis B Virus Transmission and Related Immune Response

Ju Wang1, Dan Cao1, Jiezuan Yang1

  • 1State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine.

The Tohoku Journal of Experimental Medicine
|December 3, 2020
PubMed

Insights

Exosomes, tiny vesicles involved in cell communication, play a key role in Hepatitis B virus (HBV) transmission and immune system regulation. Understanding exosomes offers new avenues for HBV diagnosis and treatment.

Area of Science:

  • Virology
  • Immunology
  • Cell Biology

Background:

  • Hepatitis B virus (HBV) infection leads to chronic liver disease, including cirrhosis and hepatocellular carcinoma (HCC).
  • Despite vaccination, chronic HBV infection remains a significant global health burden, with complex immune response mechanisms not fully elucidated.
  • Exosomes, small extracellular vesicles, are implicated in intercellular communication and disease progression, including viral infections.

Purpose of the Study:

  • To review the current understanding of exosome involvement in Hepatitis B virus (HBV) transmission.
  • To explore the critical roles of exosomes in immune regulation during HBV infection.
  • To discuss the potential clinical applications of exosomes in the auxiliary diagnosis and treatment of hepatitis B.

Main Methods:

  • Literature review focusing on recent advancements in exosome research related to HBV.
  • Analysis of studies investigating exosome-mediated viral transmission and immune modulation.
  • Synthesis of findings on the diagnostic and therapeutic potential of exosomes in hepatitis B.

Main Results:

  • Exosomes facilitate the spread of HBV by transferring viral components between cells.
  • Exosomes act as crucial mediators in the immunomodulatory processes during HBV infection, influencing the host's immune response.
  • Exosomes show promise as biomarkers for HBV diagnosis and as novel carriers for therapeutic interventions.

Conclusions:

  • Exosomes are integral to HBV pathogenesis, contributing to viral transmission and immune dysregulation.
  • Targeting exosomes presents a promising strategy for developing innovative diagnostic tools and treatments for chronic hepatitis B.
  • Further research into exosome biology is essential for fully harnessing their clinical potential in managing HBV infection.

Keywords:
exosomal microRNAexosomeshepatitis B virus (HBV)immunoregulationinfection

More Related Videos

Direct Stochastic Optical Reconstruction Microscopy of Extracellular Vesicles in Three Dimensions09:36

Direct Stochastic Optical Reconstruction Microscopy of Extracellular Vesicles in Three Dimensions

Published on: August 26, 2021

4.2K
Stem Cell-Derived Viral Ag-Specific T Lymphocytes Suppress HBV Replication in Mice07:25

Stem Cell-Derived Viral Ag-Specific T Lymphocytes Suppress HBV Replication in Mice

Published on: September 25, 2019

7.2K

Related Concept Videos

Overview of Exosomes01:36

Overview of Exosomes

Exosomes are stable, lipid bilayer-enclosed vesicles capable of crossing biological barriers. They can carry a wide range of molecules required for intercellular communication. Once exosomes are released from the cell where they originated, they enter a recipient cell through various pathways such as fusion, receptor-mediated endocytosis, macropinocytosis, and phagocytosis.
Stahl et al. discovered exosomes in 1983, but the exosomes were initially considered waste products released from the...
3.2K
Intralumenal Vesicles and Multivesicular Bodies01:38

Intralumenal Vesicles and Multivesicular Bodies

Intraluminal vesicles (ILVs) are small vesicles 50-80 nm in diameter formed during the maturation of early endosomes. A specialized endosome containing numerous ILVs is called a multivesicular body (MVB). ILVs contain internalized molecules such as antigens, nucleic acids, proteins, and metabolites. Some of these molecules are released from the MVBs inside exosomes and are transported to other cells. Other MVBs contain molecules that are retained in the ILVs and are later degraded within the...
4.4K
Immune Response Against Viral Pathogens01:29

Immune Response Against Viral Pathogens

The immune system's response to viral infections is a complex and coordinated process involving natural killer (NK) cells, T cell-mediated responses, and antibody-mediated responses.
NK Cells
NK cells are a crucial part of our innate immune system, acting as the first line of defense against viral infections. These cells can recognize and kill infected cells without prior exposure to the virus, effectively slowing down the spread of infection. Additionally, NK cells produce proinflammatory...
1.3K
Viruses with RNA Genomes01:29

Viruses with RNA Genomes

RNA viruses are categorized into positive-strand, negative-strand, or double-stranded groups based on their genomic structure and replication mechanisms. This classification dictates how they exploit host cellular machinery for protein synthesis and replication. Some RNA viruses also utilize reverse transcription as part of their life cycle, further diversifying their replication strategies.Positive-Strand RNA VirusesPositive-strand RNA viruses have genomes that function directly as messenger...
447