Multiplexed Barcoding Image Analysis for Immunoprofiling and Spatial Mapping Characterization in the Single-Cell
Saxon Rodriguez1, Baohua Sun1, Salome McAllen1
1Department of Translational Molecular Pathology, The University of Texas MD Anderson Cancer Center.
Journal of Visualized Experiments : Jove
|April 24, 2023
Summary
This study introduces multiplexed imaging with antibody barcoding for detailed tumor microenvironment analysis. This advanced technique allows high-resolution visualization of over 40 protein markers in various sample types.
Area of Science:
- Biotechnology
- Molecular Biology
- Cancer Research
Background:
- Multiplexed imaging enhances tumor microenvironment understanding.
- Current methods face limitations in antibody panel size and sample preservation.
Purpose of the Study:
- To present a novel multiplexed imaging technology using antibody barcoding.
- To enable high-plex biomarker analysis and spatial profiling in diverse biological samples.
Main Methods:
- Utilizes antibody barcoding with oligonucleotides for sequential epitope detection.
- Employs automated fluidics for iterative labeling, imaging, and fluorophore removal.
- Integrates fluorescence microscopy and specialized image analysis software.
Main Results:
- Achieves single-cell resolution for over 40 biomarkers in a single reaction.
- Demonstrates compatibility with various sample types including FFPE tissues and PBMCs.
- Preserves sample integrity for downstream analyses like H&E staining.
Conclusions:
- This technology offers a powerful tool for comprehensive tumor evaluation and spatial biology.
- Enables detailed characterization of cellular phenotypes and spatial relationships.
- Facilitates deeper insights into complex biological systems through high-plex imaging.
