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Extracellular Protein Microarray Technology for High Throughput Detection of Low Affinity Receptor-Ligand Interactions

Extracellular Protein Microarray Technology for High Throughput Detection of Low Affinity Receptor-Ligand Interactions

Published on: January 7, 2019

Pathogen receptor discovery with a microfluidic human membrane protein array.

Yair Glick¹, Ya'ara Ben-Ari¹, Nir Drayman²

¹Mina and Everard Goodman Faculty of Life Sciences, Bar Ilan University, 5290002, Israel;

Proceedings of the National Academy of Sciences of the United States of America

|April 5, 2016

Summary

This summary is machine-generated.

Researchers developed a novel membrane protein array (MPA) to identify host cell receptors exploited by pathogens. This high-throughput platform accelerates the discovery of pathogen-host interactions and aids in understanding viral tropism.

Keywords:

integrated microfluidics membrane protein array pathogen–host interactions receptor discovery

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Area of Science:

Proteomics
Virology
Cell Biology

Background:

Identifying host cell receptors is crucial for understanding pathogen invasion.
Membrane proteins are challenging targets in proteomics due to their complex nature.

Purpose of the Study:

To develop a high-throughput platform for studying membrane protein interactions.
To identify host cell receptors utilized by pathogens for cellular entry.

Main Methods:

Creation of a microfluidic-based comprehensive human membrane protein array (MPA).
Simultaneous study of 2,100 membrane proteins.
Characterization of direct interactions between viruses and candidate host receptors.

Main Results:

The MPA enables high-throughput expression and interaction studies of membrane proteins.
Direct interactions were characterized for simian virus 40 and hepatitis delta virus large form antigen.
Newly discovered membrane protein-pathogen interactions were validated using conventional methods.

Conclusions:

The MPA is a powerful tool for cellular receptor discovery.
This platform facilitates a deeper understanding of pathogen tropism and host-pathogen interactions.