Cell Death-Related Genesets Activity Improved Clinical Concordance and Intrinsically Associated with Alterations in Ulcerative Colitis: Mucosal Healing at Molecular Depth

  • 0Department of Gastroenterology, Xinhua Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200092, People's Republic of China.

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Summary

This summary is machine-generated.

Cell death-related genesets (CDRGs) improve ulcerative colitis (UC) management by predicting mucosal healing. This grouping enhances concordance between clinical, histological, and endoscopic assessments, identifying patients for long-term treatment targets.

Area Of Science

  • Gastroenterology
  • Molecular Biology
  • Immunology

Background

  • Ulcerative colitis (UC) is a chronic inflammatory bowel disease characterized by relapsing and remitting cycles.
  • Mucosal healing is a critical predictor of long-term outcomes in UC.
  • Discordance between mucosal healing at different depths and clinical activity complicates UC management.

Purpose Of The Study

  • To analyze cell death-related genesets (CDRGs) in UC patients.
  • To assess the concordance between CDRG-based grouping and clinical, histological, and endoscopic assessments.
  • To evaluate the predictive value of CDRGs for mucosal healing and long-term treatment targets in UC.

Main Methods

  • Unsupervised hierarchical clustering was used to group UC patients based on CDRGs.
  • Concordance was assessed using Cohen's Kappa and Sankey plots.
  • Predictive value was quantified using the area under the curve; subgroup analysis and single-cell analysis were performed.

Main Results

  • CDRG activities effectively predicted clinical, histological, and endoscopic grouping in UC.
  • CDRG-based grouping improved concordance across different assessment methods and independently predicted clinical activity.
  • Integrating CDRG grouping with endoscopic or histological data enhanced prediction of clinical activity and identified patients achieving mucosal healing.

Conclusions

  • CDRG-based grouping serves as an independent predictor, improving concordance in UC assessments and identifying patients achieving mucosal healing.
  • Active CDRGs are intrinsically associated with genetic and immunological alterations in UC.
  • CDRGs hold potential as novel biomarkers and therapeutic targets for UC.

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