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Multiplexed Phenotyping of Small Extracellular Vesicles Using Protein Microarray (EV Array).

Rikke Bæk1, Malene Møller Jørgensen2

  • 1Department of Clinical Immunology, Aalborg University Hospital, Urbansgade 36, 9000, Aalborg, Denmark.

Methods in Molecular Biology (Clifton, N.J.)
|December 13, 2016
PubMed
Summary

The Extracellular Vesicle (EV) Array enables high-throughput detection and phenotyping of small EVs from various samples. This method uses protein microarray technology for multiplexed analysis of EVs.

Keywords:
Capture antibodiesExosomesExtracellular vesiclesMultiplexed phenotypingProtein microarraySurface antigens

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Area of Science:

  • Biotechnology
  • Molecular Biology
  • Biochemistry

Background:

  • Extracellular vesicles (EVs) are crucial biomarkers.
  • Current methods for EV detection can be complex and low-throughput.
  • A need exists for efficient EV phenotyping technologies.

Purpose of the Study:

  • To present a protocol for the Extracellular Vesicle (EV) Array.
  • To enable high-throughput detection and phenotyping of small EVs.
  • To detail the microarray printing, EV capture, and detection processes.

Main Methods:

  • Utilizes protein microarray technology for EV analysis.
  • Describes a protocol for microarray printing.
  • Covers EV capture and detection from plasma, serum, or cell culture supernatants.

Main Results:

  • The EV Array allows for multiplexed phenotyping of small EVs.
  • The method is effective with unpurified starting material.
  • Provides a high-throughput approach for EV analysis.

Conclusions:

  • The EV Array protocol facilitates robust small EV detection and phenotyping.
  • This technology offers an open platform for multiplexed EV analysis.
  • The described methods support comprehensive data treatment and analysis.