Related Experiment Video
Updated: Jun 6, 2025

09:36
Direct Stochastic Optical Reconstruction Microscopy of Extracellular Vesicles in Three Dimensions
Published on: August 26, 2021
3.7K
Extracellular Vesicles in Viral Liver Diseases
Elias Kouroumalis1, Ioannis Tsomidis1, Argyro Voumvouraki2
1Laboratory of Gastroenterology and Hepatology, University of Crete Medical School, 71500 Heraklion, Greece.
Viruses
|November 27, 2024
Summary
Extracellular vesicles (EVs) are key in liver cell communication and viral liver disease. This review explores their role in pathogenesis, diagnosis, and potential treatments for liver fibrosis and cancer.
Area of Science:
- Hepatology
- Cell Biology
- Virology
Background:
- Extracellular vesicles (EVs) are crucial mediators of intercellular communication in the liver.
- They represent a significant pathway for cell-to-cell signaling, alongside cytokine secretion and direct contact.
- Liver cells, including parenchymal and non-parenchymal cells, release EVs into their microenvironment.
Purpose of the Study:
- To review the multifaceted role of EVs in the pathogenesis of viral liver diseases.
- To explore the implications of EV-mediated transport of viral components in liver cirrhosis and hepatocellular carcinoma.
- To analyze the potential of EVs as diagnostic and prognostic biomarkers for viral liver conditions.
Main Methods:
- Literature review focusing on the biogenesis and function of EVs in viral liver disease.
- Analysis of existing evidence regarding EV involvement in viral pathogenesis.
- Evaluation of current research on diagnostic and therapeutic applications of EVs.
Main Results:
- EVs transport viral proteins, RNA, and particles, contributing to liver disease progression.
- Evidence suggests EVs play a role in the development of viral cirrhosis and hepatocellular carcinoma.
- EVs show promise as biomarkers for diagnosing and predicting outcomes in viral liver diseases.
Conclusions:
- EVs are integral to the pathogenesis of viral liver diseases.
- Further research into EVs could lead to novel diagnostic tools and therapeutic strategies for liver fibrosis and cancer.
- Clinical trials are needed to validate the therapeutic potential of EVs, as current data is primarily experimental.
Related Concept Videos
Intralumenal Vesicles and Multivesicular Bodies
3.4K
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...
3.4K
Overview of Exosomes
2.7K
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...
Stahl et al. discovered exosomes in 1983, but the exosomes were initially considered waste products released from the...
2.7K

