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Antibody Colocalization Microarray for Cross-Reactivity-Free Multiplexed Protein Analysis.

Véronique Laforte^1,2,3, Pik-Shan Lo^2,3, Huiyan Li^2,3

¹Department of Neurology and Neurosurgery, Montreal Neurological Institute, McGill University, 3801 University St., Montreal, QC, Canada, H3A 2B4.

Methods in Molecular Biology (Clifton, N.J.)

|July 5, 2017

Summary

This summary is machine-generated.

The antibody colocalization microarray (ACM) enables precise protein measurement for personalized medicine. This method avoids cross-reactivity, allowing sensitive detection of 108 targets in hundreds of samples using minimal reagents.

Keywords:

Antibody Fluorescence Microarray Multiplexed Sandwich immunoassay

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Area of Science:

Biotechnology
Proteomics
Personalized Medicine

Background:

Multiplex protein measurement is crucial for personalized medicine.
Existing antibody microarrays can suffer from reagent-induced cross-reactivity.

Purpose of the Study:

To introduce the antibody colocalization microarray (ACM) as an improved method for multiplex protein analysis.
To detail critical experimental parameters for successful ACM implementation.

Main Methods:

The ACM technique involves printing detection antibodies directly onto capture antibodies.
Key parameters include precise printing alignment and protection of spots between printing rounds.
The method is designed for small sample volumes and reagent quantities.

Main Results:

The ACM approach effectively avoids reagent-induced cross-reactivity.
Up to 108 different protein targets can be measured simultaneously.
High specificity and sensitivity were achieved in hundreds of samples.

Conclusions:

The antibody colocalization microarray (ACM) offers a specific and sensitive platform for high-throughput protein analysis.
ACM is well-suited for applications in personalized medicine requiring comprehensive health status snapshots.
The method demonstrates efficiency in terms of sample and reagent usage.