SPECTREPlex: an automated, fast, high-resolution enabled approach for multiplexed cyclic imaging and tissue spatial...

Area of Science:

• Biomedical Engineering
• Cell Biology
• Immunohistochemistry

Background:

• Understanding tissue spatial organization is crucial for organ biology in health and disease.
• Multiplexed antibody-based fluorescence labeling offers insights into tissue microenvironments.
• Current multiplexing methods face limitations in cost, time, and technical complexity.

Purpose of the Study:

• To develop a cost-effective, rapid, and high-resolution cyclic multiplex immunofluorescence imaging technique.
• To address the practical limitations of existing tissue microenvironment analysis methods.
• To investigate spatial cellular and neighborhood alterations in celiac disease.

Main Methods:

• Development of Spatial Photo-inactivation Enhanced Cyclic Target REsolved multiPlexing (SPECTRE-Plex).
• SPECTRE-Plex integrates methods to enhance speed, automation, and resolution in cyclic multiplex immunofluorescence.
• Application of SPECTRE-Plex to analyze healthy versus celiac disease small intestine tissue.

Main Results:

• SPECTRE-Plex offers a significant improvement in speed, automation, and resolution for multiplex immunofluorescence.
• The method enables detailed investigation of spatial cellular and neighborhood changes.
• Demonstrated application in distinguishing between healthy and celiac disease proximal small intestine.

Conclusions:

• SPECTRE-Plex is a practical and cost-effective solution for advanced multiplex immunofluorescence imaging.
• The technique facilitates deeper understanding of tissue microenvironments in disease contexts.
• This method holds potential for broader applications in biological and medical research.