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Updated: Jan 15, 2026

A Protein Microarray Assay for Serological Determination of Antigen-specific Antibody Responses Following Clostridium difficile Infection

A Protein Microarray Assay for Serological Determination of Antigen-specific Antibody Responses Following Clostridium difficile Infection

Published on: June 15, 2018

Serological Proteome Analysis for Antigen Identification.

Susan M Twine¹, Kelly M Fulton²

¹Human Health Therapeutics Research Centre, National Research Council Canada, Ottawa, ON, Canada.

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

|October 14, 2025

Summary

This summary is machine-generated.

Serological proteome analysis (SERPA) identifies disease-specific antigens by analyzing antibody responses. This immunoproteomics method aids in developing vaccines and diagnostic biomarkers.

Keywords:

Antigens Biomarkers Francisella tularensis Immunoproteomics Immunoreactivity SERPA Serological proteome analysis Western blotting

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Area of Science:

Immunoproteomics
Biomarker Discovery
Vaccine Development

Background:

Serological proteome analysis (SERPA) is an established immunoproteomics technique.
It assesses humoral immune responses to diseases, vaccines, and therapeutics.
SERPA is applicable across various fields, including infectious diseases, oncology, and autoimmune disorders.

Purpose of the Study:

To provide detailed, step-by-step instructions for performing SERPA.
To offer practical insights from extensive experience in optimizing the method.
To highlight the utility of SERPA in identifying disease-specific antigens.

Main Methods:

Combines two-dimensional western blotting with mass spectrometry.
Analyzes antibody reactivity against a proteome.
Identifies specific antigens eliciting an immune response.

Main Results:

Enables identification of individual antigens responsible for antibody generation.
Facilitates understanding of humoral immune responses.
Provides a foundation for further research and application.

Conclusions:

SERPA is a versatile tool for dissecting immune responses.
Identified antigens can be used for subunit vaccine production.
SERPA-derived information is valuable for diagnostic biomarker development.