Related Experiment Video
Updated: May 26, 2026
08:54
An Immunofluorescent Method for Characterization of Barrett’s Esophagus Cells
Published on: July 20, 2014
Spatially resolved transcriptomic and proteomic profiling reveals cell interaction programs that predict Barrett's
Isis Diaz Monarrez1, Eun Na Kim1,2, Krio Moon1
1Department of Biomedical Engineering and Computational Biology Program, Oregon Health and Science University, Portland, OR, USA.
Biorxiv : the Preprint Server for Biology
|May 25, 2026
Summary
Barrett's esophagus progression is driven by changes in tissue architecture, not just cell types. Spatial analysis accurately predicts risk, offering new avenues for early esophageal adenocarcinoma (EAC) detection.
Area of Science:
- Gastroenterology
- Oncology
- Computational Biology
Background:
- Barrett's esophagus (BE) is a precursor to esophageal adenocarcinoma (EAC).
- Current surveillance methods struggle to predict BE progression.
- The cellular landscape of progressing BE is poorly understood.
Purpose of the Study:
- To investigate the premalignant cellular landscape of BE.
- To identify spatial features predicting progression from non-dysplastic BE to dysplasia or EAC.
- To differentiate progressor vs. non-progressor BE microenvironments.
Main Methods:
- Spatial transcriptomics (Xenium) and proteomic imaging (imaging mass cytometry) on 34 BE patients.
- Analysis of cellular composition, density, and spatial interactions.
- T cell clonotype quantification (FUME-TCRseq).
Main Results:
- Cellular composition was similar between progressors and non-progressors.
- Progressors showed increased intestinal Barrett's cells, B cells, and gastric progenitor-like cells.
- Spatial interaction features strongly predicted progression (AUC 0.97), outperforming cell composition (AUC 0.62).
- Progressors had enriched cytotoxic/antigen-presenting myeloid cells; non-progressors had CD56+ T cell interactions.
Conclusions:
- BE progression is driven by epithelial-immune-stromal architecture remodeling.
- Spatial tissue architecture, not just cell types, captures progression states.
- This framework enables spatially informed patient stratification and early cancer risk assessment.
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Barrett's esophagus is a medical condition where the esophageal mucosa is significantly damaged by stomach acid or other digestive fluids, often due to long-term exposure associated with gastroesophageal reflux disease (GERD). In GERD, a weakened or abnormally relaxed lower esophageal sphincter allows stomach acid to flow persistently into the esophagus.
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