Artificial intelligence-driven microRNA signature for early detection of gastric cancer: discovery and clinical functional exploration

  • 0Department of Gastroenterology, The First Affiliated Hospital of Soochow University, Suzhou, China.

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Summary

This summary is machine-generated.

This study introduces ESGCmiRD, an AI tool identifying a five-microRNA signature for early-stage gastric cancer (ESGC) detection. The signature shows high accuracy and potential therapeutic applications.

Area Of Science

  • Biomarkers and Diagnostics
  • Bioinformatics and Computational Biology
  • Oncology

Background

  • Gastric cancer (GC) is a major global health concern, often diagnosed late, necessitating improved early detection methods.
  • Effective diagnostics for early-stage gastric cancer (ESGC) are crucial for improving patient outcomes.
  • Current diagnostic strategies require enhancement for timely and accurate ESGC identification.

Purpose Of The Study

  • To develop an artificial intelligence-driven strategy (ESGCmiRD) for identifying a microRNA (miRNA) signature for early-stage gastric cancer (ESGC) detection.
  • To validate the diagnostic accuracy and explore the biological roles and therapeutic potential of the identified miRNA signature.
  • To investigate the underlying mechanisms of gastric carcinogenesis involving the identified miRNAs.

Main Methods

  • Utilized an AI-driven approach (ESGCmiRD) integrating miRNA expression patterns, ESGC relevance, and network-based regulatory capabilities.
  • Performed comprehensive bioinformatics analysis and in vitro studies to validate miRNA expression and biological roles in GC.
  • Confirmed miRNA-target interactions using dual-luciferase reporter assays and predicted therapeutic potential via molecular docking.

Main Results

  • Identified a five-blood miRNA signature (miR-320b, miR-222-3p, miR-181a-5p, miR-103a-3p, miR-107) with high diagnostic accuracy (AUCs ranging from 0.811 to 0.986) across multiple cohorts.
  • Demonstrated that these overexpressed miRNAs in ESGC plasma target PTEN, promoting GC cell proliferation, migration, and invasion.
  • Molecular docking indicated Paclitaxel as a potential therapeutic agent interacting strongly with the identified miRNA signature.

Conclusions

  • The ESGCmiRD strategy successfully identified a robust miRNA signature for ESGC detection.
  • The findings provide insights into gastric carcinogenesis mechanisms and highlight potential therapeutic strategies.
  • This AI-driven approach offers a promising avenue for developing novel diagnostics and therapeutics for early-stage gastric cancer.