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Overview Of Cell Separation And Isolation

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Cell separation was first achieved in 1964 by S. H. Seal, who separated large tumor cells from the smaller blood cells using filtration. Two years later, Pohl and Hawk performed experiments on how cells respond differently to a nonuniform electric field based on the cell type. Such observations were the inception of cell separation methods, which allow isolating a single cell type from a heterogeneous sample.

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Updated: Jul 24, 2025

Setting a Successful Sorting for Extracellular Vesicle Isolation

Setting a Successful Sorting for Extracellular Vesicle Isolation

Published on: October 11, 2024

Optimizing Cell Therapy by Sorting Cells with High Extracellular Vesicle Secretion.

Doyeon Koo¹, Xiao Cheng^2,3, Shreya Udani¹

¹Department of Bioengineering, University of California, Los Angeles; Los Angeles, CA 90095, USA.

Biorxiv : the Preprint Server for Biology

|July 3, 2023

Summary

This summary is machine-generated.

Researchers developed a nanovial technology to select high extracellular vesicle (EV)-secreting cells for regenerative therapies. This method improved heart function in a myocardial infarction mouse model, highlighting the importance of EV secretion for therapeutic efficacy.

Keywords:

Extracellular vesicles Lab on a particle Mesenchymal stromal cells Single-cell analysis regenerative medicine

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Last Updated: Jul 24, 2025

Setting a Successful Sorting for Extracellular Vesicle Isolation

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Published on: October 11, 2024

Optimization of Flow Cytometric Sorting Parameters for High-Throughput Isolation and Purification of Small Extracellular Vesicles

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Published on: January 20, 2023

Size Exclusion Chromatography for Separating Extracellular Vesicles from Conditioned Cell Culture Media

Size Exclusion Chromatography for Separating Extracellular Vesicles from Conditioned Cell Culture Media

Published on: May 13, 2022

Area of Science:

Regenerative Medicine
Cell Therapy
Biotechnology

Background:

Clinical translation of extracellular vesicle (EV)-based therapeutics faces challenges due to the lack of methods to enrich high EV-secreting cells.
Current cell sorting techniques rely on surface markers, which do not correlate with EV secretion levels or therapeutic potential.

Conclusions:

Selecting cells based on EV secretion is a promising strategy to enhance the efficacy of regenerative cell therapies.
The developed nanovial technology offers a viable method for enriching therapeutic cells with high EV secretion potential.
EV secretion plays a critical role in the therapeutic benefits of MSCs for cardiac repair.