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Updated: Jul 13, 2026

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Spatial Profiling of Protein and RNA Expression in Tissue: An Approach to Fine-Tune Virtual Microdissection
Published on: July 6, 2022
Designing smart spatial omics experiments with S2Omics
Musu Yuan1, Kaitian Jin1, Hanying Yan1
1Statistical Center for Single-Cell and Spatial Genomics, Department of Biostatistics, Epidemiology and Informatics, Perelman School of Medicine, University of Pennsylvania Philadelphia, PA, USA.
Biorxiv : the Preprint Server for Biology
|September 26, 2025
Summary
This study introduces S2Omics, an automated workflow that selects regions of interest from histology images to maximize molecular information in spatial omics. This method enhances reproducibility and biological discovery in tissue research.
Area of Science:
- Biomedical research
- Molecular biology
- Bioinformatics
Background:
- Spatial omics technologies offer high-resolution molecular profiling within native tissue architecture.
- Manual selection of regions of interest (ROIs) for spatial omics is subjective, inconsistent, and irreproducible.
- Histology images correlate with spatial molecular patterns, suggesting their utility for guiding ROI selection.
Purpose of the Study:
- To develop an automated workflow, S2Omics, for selecting ROIs from histology images.
- To maximize the molecular information content within selected ROIs for spatial omics experiments.
- To enhance the systematic, reproducible, and impactful nature of spatial omics-driven biological discovery.
Main Methods:
- S2Omics workflow integrates histology image analysis with spatial omics data.
- The system automatically identifies and selects ROIs based on predicted molecular information content.
- The approach was validated across diverse spatial omics platforms and tissue types.
Main Results:
- S2Omics enables automated and objective ROI selection, overcoming limitations of manual methods.
- The workflow demonstrated consistent performance across various experimental settings.
- Systematic ROI selection using S2Omics improved the robustness of downstream biological analyses.
Conclusions:
- S2Omics provides a powerful tool for optimizing experimental design in spatial omics.
- Automated ROI selection significantly enhances the reproducibility and discovery potential of spatial omics studies.
- This approach facilitates more efficient and impactful biomedical research using spatial omics data.

