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Updated: May 8, 2026

A Protein Microarray Assay for Serological Determination of Antigen-specific Antibody Responses Following Clostridium difficile Infection
Published on: June 15, 2018
In Vivo Microbial Antigen Discovery (InMAD) to identify diagnostic proteins and polysaccharides that are circulating
Sindy J Chaves1, Kathleen Schegg, Thomas R Kozel
1Department of Microbiology and Immunology, University of Nevada, Reno, NV, USA.
Abstract:
Immunoassays employed at the point-of-care (POC) are often useful for diagnosing acute infections. Many of these assays rely on identification of microbial antigens that are secreted or shed during infection. However, determining which microbial antigens are best to target by immunoassay can be the most difficult aspect of developing a new diagnostic product. Here we describe a novel technique termed "In vivo Microbial Antigen Discovery" or "InMAD" for identification of microbial antigens that may be targeted for the diagnosis of infectious diseases.
Insights
Developing new diagnostic tests for infections is challenging. A new method, In vivo Microbial Antigen Discovery (InMAD), identifies microbial antigens for improved point-of-care diagnostic assays.
Area of Science:
- Microbiology
- Immunology
- Diagnostic Development
Background:
- Point-of-care (POC) immunoassays are crucial for diagnosing acute infections.
- Current POC diagnostics often target microbial antigens shed during infection.
- Identifying optimal target antigens is a major challenge in developing new diagnostic assays.
Purpose of the Study:
- To introduce a novel technique for identifying microbial antigens suitable for diagnostic targeting.
- To address the challenge of selecting the most effective antigens for immunoassay development.
Main Methods:
- The study describes a new technique named "In vivo Microbial Antigen Discovery" (InMAD).
- This method focuses on identifying microbial antigens relevant for infectious disease diagnosis.
Main Results:
- The InMAD technique provides a systematic approach to antigen discovery.
- This facilitates the development of targeted diagnostic tools.
Conclusions:
- The InMAD technique offers a novel solution for identifying microbial antigens.
- This advancement can improve the development of point-of-care immunoassays for infectious diseases.
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