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A fatty acid metabolism-related gene signature can predict poor prognosis in glioma.

Chuanyu Li1, Xinran Xue2, Jiahui Kong3

  • 1Neurosurgery Department, Tianjin Hospital, Tianjin University.

Anti-Cancer Drugs
|April 25, 2025
PubMed
Summary

This study developed a fatty acid metabolism (FAM) gene signature to predict glioma patient outcomes. The signature effectively identified high-risk patients with poorer survival, highlighting PTGR1 as a key prognostic marker.

Keywords:
PTGR1fatty acid metabolismgene signaturegliomaisocitrate dehydrogenase wild-typeprognosis

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Area of Science:

  • Neuro-oncology
  • Molecular Biology
  • Cancer Genomics

Background:

  • Gliomas are aggressive central nervous system tumors with poor prognoses, especially high-grade forms.
  • Understanding molecular pathways is crucial for developing targeted glioma treatments.
  • Fatty acid metabolism (FAM) plays a role in tumor progression, but its prognostic significance in gliomas requires further elucidation.

Purpose of the Study:

  • To develop a prognostic gene signature based on fatty acid metabolism (FAM) genes for glioma patients.
  • To identify key FAM-related genes associated with survival in isocitrate dehydrogenase-1 wild-type glioblastoma.
  • To evaluate the potential of this signature and its core genes as therapeutic targets.

Main Methods:

  • Utilized Least Absolute Shrinkage and Selection Operator (LASSO) regression on The Cancer Genome Atlas (TCGA) and Chinese Glioma Genome Atlas (CGGA) datasets.
  • Identified seven FAM-related genes significantly associated with survival outcomes.
  • Performed Kaplan-Meier and Cox regression analyses to validate the prognostic value of the gene signature.

Main Results:

  • A seven-gene FAM signature was developed, effectively stratifying glioma patients into high-risk and low-risk groups.
  • High-risk patients exhibited significantly poorer survival outcomes.
  • PTGR1 was identified as a core gene within the signature, strongly correlated with malignant progression and poor prognosis.

Conclusions:

  • The developed FAM-related gene signature serves as a reliable tool for predicting poor prognosis in glioma patients.
  • PTGR1 is a pivotal gene in this signature and a potential therapeutic target for improving patient survival.
  • This research offers insights into FAM's role in glioma and paves the way for targeted treatment strategies.