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2017 ; 5
(ä): 78
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Extracellular Vesicle Flow Cytometry Analysis and Standardization
#MMPMID28913335
Welsh JA
; Holloway JA
; Wilkinson JS
; Englyst NA
Front Cell Dev Biol
2017[]; 5
(ä): 78
PMID28913335
show ga
The term extracellular vesicles (EVs) describes membranous vesicles derived from
cells, ranging in diameter from 30 to 1,000 nm with the majority thought to be in
the region of 100-150 nm. Due to their small diameter and complex and variable
composition, conventional techniques have struggled to accurately count and
phenotype EVs. Currently, EV characterization using high-resolution flow
cytometry is the most promising method when compared to other currently available
techniques, due to it being a high-throughput, single particle, multi-parameter
analysis technique capable of analyzing a large range of particle diameters.
Whilst high resolution flow cytometry promises detection of the full EV diameter
range, standardization of light scattering and fluorescence data between
different flow cytometers remains an problem. In this mini review, we will
discuss the advances in high-resolution flow cytometry development and future
direction of EV scatter and fluorescence standardization. Standardization and
therefore reproducibility between research groups and instrumentation is lacking,
hindering the validation of EVs use as diagnostic biomarkers and therapeutics.