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Integrative transcriptome analysis identifies genes and pathways associated with enzalutamide resistance of prostate

Subo Qian1, Jia Xia1, Hailong Liu1

  • 1a Department of Urology , Xinhua Hospital, Shanghai Jiao Tong University School of Medicine , Shanghai , P.R. China.

The Aging Male : the Official Journal of the International Society for the Study of the Aging Male
|January 11, 2018
PubMed
Abstract

Insights

Enzalutamide resistance in prostate cancer arises from altered gene expression. Identifying these gene changes offers new therapeutic targets for castration-resistant prostate cancer.

Area of Science:

  • Oncology
  • Molecular Biology
  • Genomics

Background:

  • Enzalutamide is a key treatment for castration-resistant prostate cancer (CRPC).
  • Development of resistance to enzalutamide is a significant clinical challenge in CRPC management.

Purpose of the Study:

  • To elucidate the molecular mechanisms driving enzalutamide resistance in prostate cancer.
  • To identify differentially expressed genes associated with enzalutamide sensitivity and resistance.

Main Methods:

  • Integrative analysis of multiple transcriptome datasets.
  • Identification of consistently up- or down-regulated genes following enzalutamide treatment.
  • Functional enrichment analysis of identified gene sets.

Main Results:

  • Identified 703 differentially expressed genes in enzalutamide-sensitive cells and 581 in resistant cells.
  • Observed distinct alterations in cell proliferation and ubiquitin-mediated proteolysis pathways between sensitive and resistant cell lines.
  • These pathway differences explain enzalutamide's reduced efficacy in resistant prostate cancer.

Conclusions:

  • The study identified critical genes involved in enzalutamide resistance.
  • These findings provide etiological insights into enzalutamide-resistant prostate cancer.
  • The identified genes may guide the development of novel therapeutic strategies.
Keywords:
KEGG pathwayProstate cancerenzalutamide resistancegene expression omnibusgene ontologytranscriptome analysis

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