Weighted gene co-expression network analysis identified GBP2 connected to PPARα activity and liver cancer

  • 0Department of Oncology, The First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning, People's Republic of China.

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Summary

This summary is machine-generated.

This study investigated how Peroxisome proliferator-activated receptor α (PPARα) activation impacts liver cancer by identifying key genes. Researchers found that higher expression of GBP2 is linked to hepatocellular carcinoma (HCC) progression, suggesting it as a potential biomarker for PPARα activity.

Area Of Science

  • Oncology
  • Molecular Biology
  • Metabolomics

Background

  • Liver cancer is a leading cause of cancer death globally, characterized by metabolic and liposomal alterations.
  • Peroxisome proliferator-activated receptor α (PPARα) regulates lipid homeostasis and is a potential target in liver cancer treatment.
  • Understanding PPARα activation mechanisms and identifying related biomarkers are crucial for advancing liver cancer research.

Purpose Of The Study

  • To elucidate the molecular mechanisms of PPARα activation by the agonist WY-14643 in liver cancer.
  • To identify candidate biomarkers associated with PPARα activity and assess their impact on liver cancer.
  • To evaluate the expression of identified hub genes, particularly GBP2, in relation to clinical outcomes in hepatocellular carcinoma (HCC).

Main Methods

  • Differential gene expression analysis (DESeq2) and weighted gene co-expression network analysis (WGCNA) were used to analyze gene expression data.
  • Protein-protein interaction networks and KEGG enrichment analysis were performed to identify core hub genes.
  • The expression of candidate gene GBP2 was evaluated in relation to clinical outcomes in HCC.

Main Results

  • WGCNA identified a brown module negatively correlated with PPARα agonist treatment.
  • Core hub genes including CD40, CXCL9, CXCL10, TNFSF14, GBP2, GBP3, APOL3, and CLDN1 were identified.
  • Higher expression of GBP2 was significantly associated with HCC progression and negatively correlated with PPARα agonist treatment.

Conclusions

  • GBP2 was identified as a key hub gene negatively related to PPARα agonist treatment in liver cancer.
  • GBP2 expression correlates with HCC progression, suggesting its potential as a biomarker for PPARα activity.
  • Further investigation of GBP2 may offer new insights into PPARα-targeted therapies for liver cancer.

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