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Updated: Nov 23, 2025

Purification and Analysis of Caenorhabditis elegans Extracellular Vesicles

Purification and Analysis of Caenorhabditis elegans Extracellular Vesicles

Published on: March 31, 2020

Secret3D Workflow for Secretome Analysis.

Vittoria Matafora¹, Angela Bachi¹

¹IFOM- FIRC Institute of Molecular Oncology, 20139 Milan, Italy.

|December 30, 2020

Summary

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Secretome analysis identifies extracellular proteins. The Secret3D workflow improves detection and quantitation of secreted proteins from cell cultures, including glycosylation site information.

Area of Science:

Proteomics
Cell Biology
Biochemistry

Background:

Secretome analysis is vital for understanding extracellular processes.
Detecting secreted proteins via mass spectrometry is challenging due to serum protein contamination and glycosylation hindering digestion.

Purpose of the Study:

To present the Secret3D workflow, an optimized protocol for global secretome analysis.
To enable efficient and robust identification and quantitation of secreted proteins from in vitro cultured cells.

Main Methods:

Development and application of the Secret3D workflow.
Mass-spectrometry-based analysis of cell secretomes.
Inclusion of N-glycosylation site prediction.

Main Results:

Keywords:

Cancer Proteomics

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Purification and Analysis of Caenorhabditis elegans Extracellular Vesicles

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The Secret3D workflow allows for efficient and robust protein identification and quantitation.
The protocol provides valuable information on putative N-glycosylation sites of secreted proteins.

Conclusions:

The Secret3D workflow is an effective tool for comprehensive secretome analysis.
This method overcomes common challenges in studying secreted proteins, enhancing proteomic studies.