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Related Experiment Video

Updated: May 1, 2026

Using Human Differentially Expressed Gene Lists to Perform Downstream Pathway Enrichment Analysis and Target Prioritization
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PATHOME: an algorithm for accurately detecting differentially expressed subpathways.

S Nam1, H R Chang2, K-T Kim3

  • 1Cancer Genomics Branch, National Cancer Center of Korea, Goyang-si Gyeonggi-do, Republic of Korea.

Oncogene
|April 1, 2014
PubMed
Summary
This summary is machine-generated.

PATHOME, a new algorithm, identifies biological pathways linked to diseases like gastric cancer. It accurately detects dysregulated pathways, revealing WNT5A as a potential therapeutic target.

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Area of Science:

  • Bioinformatics
  • Computational Biology
  • Cancer Research

Background:

  • Interpreting high-throughput gene expression data into biological insights is challenging.
  • Identifying differentially expressed biological pathways is crucial for understanding disease mechanisms.

Purpose of the Study:

  • To develop and validate PATHOME, a novel computational algorithm for detecting differentially expressed biological pathways.
  • To assess PATHOME's performance against existing methods using gastric cancer datasets.

Main Methods:

  • PATHOME utilizes straightforward statistical tests to assess differential expression patterns within subpathways.
  • Algorithm performance was evaluated on gene expression datasets from gastric cancer.
  • Comparison with leading pathway detection programs was conducted using a literature-driven reference set.

Main Results:

  • PATHOME demonstrated superior consistency in identifying known cancer-related pathways compared to other programs.
  • The WNT pathway, uniquely identified by PATHOME, was experimentally validated for its role in gastric carcinogenesis.
  • Cross-talk between AMPK and WNT signaling pathways was identified, highlighting WNT5A as a potential therapeutic target.

Conclusions:

  • PATHOME is a sensitive and powerful tool for identifying disease-related dysregulated pathways.
  • The findings implicate WNT pathway dysregulation in gastric cancer and suggest WNT5A as a therapeutic target.