An Enrichment Method for Small Extracellular Vesicles Derived from Liver Cancer Tissue

Xiaoxing Wang; Jie Chen; Zhengzhe Li; Defa Huang; Xiaomei Yi; Jiyang Wu; Tianyu Zhong

doi:10.3791/64499

Um método de enriquecimento para pequenas vesículas extracelulares derivadas do tecido de câncer ...

JoVE Journal
Cancer Research
Author Produced

A subscription to JoVE is required to view this content. Sign in or start your free trial.

JoVE Journal Cancer Research

An Enrichment Method for Small Extracellular Vesicles Derived from Liver Cancer Tissue

Um método de enriquecimento para pequenas vesículas extracelulares derivadas do tecido de câncer de fígado

Full Text

1,757 Views

10:33 min

February 3, 2023

DOI: 10.3791/64499-v

Xiaoxing Wang^1,2, Jie Chen^1,2, Zhengzhe Li^1,2, Defa Huang^1,2, Xiaomei Yi^1,2, Jiyang Wu^1,2, Tianyu Zhong^1,2

¹The First School of Clinical Medicine,Gannan Medical University, ²Laboratory Medicine,First Affiliated Hospital of Gannan Medical University

Please note that some of the translations on this page are AI generated. Click here for the English version.

Overview

This article describes an optimized differential ultracentrifugation method for enriching small extracellular vesicles derived from liver cancer tissue. This technique enhances the purity of isolated vesicles compared to traditional methods.

Key Study Components

Area of Science

Neuroscience
Cell Biology
Oncology

Background

Small extracellular vesicles (sEVs) play a crucial role in intercellular communication.
Isolating sEVs from cancer tissues can provide insights into tumor biology.
Traditional methods may not yield high-purity vesicles.
Optimized techniques are needed for better research outcomes.

Purpose of Study

To develop a method for isolating sEVs from liver cancer tissue.
To improve the purity of isolated vesicles.
To provide methodological support for future studies on sEVs.

Methods Used

Removal of liver cancer tissue from a freezer.
Mincing the tissue and transferring it to a culture dish.
Incubation with a digestive solution for vesicle release.
Use of a transference decoloring shaker for complete dissociation.

Main Results

Achieved higher purity of sEVs compared to classic methods.
Demonstrated simplicity and convenience of the technique.
Provided a reliable method for future sEV studies.
Facilitated better understanding of liver cancer biology.

Conclusions

The optimized method is effective for isolating sEVs from liver cancer tissue.
This technique can enhance research on extracellular vesicles.
Future studies can build on this methodology for various applications.

Frequently Asked Questions

What are small extracellular vesicles?

Small extracellular vesicles (sEVs) are membrane-bound particles released by cells that play a role in cell communication and can carry proteins, lipids, and RNA.

Why is purity important in isolating sEVs?

High purity is crucial for accurate analysis of sEV content and function, which can influence research outcomes and therapeutic applications.

How does this method compare to traditional ultracentrifugation?

This optimized method yields higher purity sEVs and is simpler and more convenient than traditional ultracentrifugation techniques.

What applications can benefit from this method?

This method can support research in cancer biology, diagnostics, and therapeutic development involving extracellular vesicles.

Is this method applicable to other types of tissues?

While this study focuses on liver cancer tissue, the method may be adapted for use with other tissue types in future research.

Descrevemos aqui o enriquecimento de pequenas vesículas extracelulares derivadas de tecido de câncer hepático através de um método otimizado de ultracentrifugação diferencial.

Este método permite o isolamento de pequenas vesículas extracelulares derivadas do tecido do câncer de fígado com uma pureza maior do que a alcançada pela ultracentrifugação diferencial clássica. Essa tecnologia é simples, conveniente e de fácil operação, podendo fornecer suporte metodológico para o estudo de pequenas vesículas extracelulares. Para começar, retire a amostra de tecido do congelador de 80 graus Celsius.

Coloque aproximadamente 400 miligramas do tecido em uma placa de cultura de células de 10 centímetros na caixa de gelo e pique finamente o tecido com um bisturi. Transfira o tecido para uma placa de seis poços com 1,5 mililitros da solução digestiva. Em seguida, coloque a placa no agitador descolorante de transferência e incube a 37 graus Celsius por 20 minutos para dissociação completa do tecido do câncer de fígado e liberação das pequenas vesículas extracelulares, ou sEVs.

View the full transcript and gain access to thousands of scientific videos