JoVE - Journal of Visualized Experiments
JoVE Visualize
Contact Us

Circulating microRNA panels for multi-cancer detection and gastric cancer screening: leveraging a network biology approach

  • 0Laboratory of Complex Biological Systems and Bioinformatics (CBB), Department of Bioinformatics, Institute of Biochemistry and Biophysics (IBB), University of Tehran, Tehran, Iran.
Bmc Medical Genomics +

|

February 6, 2025

|

February 6, 2025

View abstract on PubMed

Summary

This summary is machine-generated.

This study developed novel liquid biopsy panels of circulating microRNAs (miRNAs) for early cancer detection. These panels show high accuracy for multi-cancer screening and specific detection of gastric cancer, advancing non-invasive diagnostics.

Area Of Science

  • Biochemistry
  • Molecular Biology
  • Oncology

Background

  • Liquid biopsy using circulating microRNAs (miRNAs) offers a promising non-invasive approach for early cancer detection.
  • Early detection of cancer before symptom onset is crucial for improving patient outcomes.

Purpose Of The Study

  • To identify sensitive and specific biomarkers for multi-cancer and specific cancer screening using circulating miRNAs.
  • To evaluate the diagnostic potential of miRNA panels for multi-cancer detection and gastric cancer classification.

Main Methods

  • Serum miRNA profiles from 972 individuals across thirteen cancer types and healthy controls were analyzed.
  • Weighted miRNA co-expression network analysis was used to identify and prioritize potential miRNA biomarkers.
  • Machine learning techniques were applied to validate two distinct miRNA panels for multi-cancer and gastric cancer screening.

Main Results

  • A multi-cancer screening panel achieved 96.1% accuracy, 96% specificity, and 98.6% sensitivity.
  • A separate panel demonstrated 87% accuracy, 90% specificity, and 89% sensitivity for gastric cancer detection.
  • The identified miRNA panels showed high performance in classifying cancer types and healthy individuals.

Conclusions

  • The developed miRNA panels hold significant potential for patient classification in diagnostic and prognostic applications.
  • This research underscores the value of liquid biopsy and circulating miRNAs in advancing non-invasive cancer screening methodologies.
  • Further validation could lead to improved early detection strategies for multiple cancers, including gastric cancer.

Keywords: