JoVE - Journal of Visualized Experiments
JoVE Visualize
Contact Us

Mendelian Randomization Analysis of Non-small Cell Lung Cancer and Five Exposure Factors Based on Pathway Enrichment Analysis

  • 0Department of Thoracic Surgery, The Second Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, China, 330006.
Journal of Cancer +

|

December 13, 2024

|

December 13, 2024

View abstract on PubMed

Summary

This summary is machine-generated.

This study identifies five factors, including coronary atherosclerosis and specific cell adhesion molecules, inversely associated with non-small cell lung cancer (NSCLC). Higher levels of these factors may reduce lung cancer risk, aiding prevention strategies.

Area Of Science

  • Genetics
  • Oncology
  • Epidemiology

Background

  • Identifying modifiable risk factors is crucial for preventing non-small cell lung cancer (NSCLC).
  • Mendelian randomization (MR) analysis offers a robust method to investigate causal relationships between exposures and diseases.
  • This study aims to uncover novel exposure factors causally linked to NSCLC for improved prevention and control.

Purpose Of The Study

  • To identify potential exposure factors causally associated with non-small cell lung cancer (NSCLC) using Mendelian randomization.
  • To provide a basis for developing novel strategies for NSCLC prevention and treatment.

Main Methods

  • Utilized GEO database for NSCLC gene expression data and performed Gene Ontology (GO) and KEGG pathway enrichment analysis.
  • Employed a two-sample Mendelian randomization (MR) approach to screen for exposure variables causally linked to NSCLC.
  • Assessed the validity of MR findings through heterogeneity and pleiotropy analyses.

Main Results

  • Identified five exposure factors inversely associated with NSCLC: coronary atherosclerosis, cell adhesion molecule 3, dipeptidase 1, thimet oligopeptidase, and dipeptidyl peptidase 2.
  • Higher levels of these identified factors correlate with a decreased risk of developing NSCLC.
  • No significant heterogeneity or pleiotropy was detected, indicating reliable study findings.

Conclusions

  • The study successfully identified five novel exposure factors potentially protective against NSCLC.
  • These findings lay the foundation for future research into targeted prevention and treatment strategies for NSCLC.
  • This research opens new avenues for understanding and mitigating lung cancer risk.

Keywords: