Mechanism-centric regulatory network identifies NME2 and MYC programs as markers of Enzalutamide resistance in CRPC

Sukanya Panja1, Mihai Ioan Truica2, Christina Y Yu1

  • 1Department of Health Informatics, Rutgers School of Health Professions, Newark, NJ, 07107, USA.

Nature Communications
|January 8, 2024
PubMed

Insights

Enzalutamide resistance in prostate cancer is common. This study identifies NME2-MYC activity as a predictor of resistance and a therapeutic target for improved treatment outcomes.

Area of Science:

  • Oncology
  • Molecular Biology
  • Genetics

Background:

  • Enzalutamide is a key treatment for castration-resistant prostate cancer (CRPC).
  • Patient response to Enzalutamide is highly variable, necessitating research into resistance mechanisms.
  • Identifying biomarkers and therapeutic targets is crucial for managing CRPC effectively.

Purpose of the Study:

  • To investigate the role of MYC in Enzalutamide resistance in CRPC.
  • To construct a CRPC-specific regulatory network to identify key molecular players.
  • To discover novel therapeutic strategies for Enzalutamide-resistant prostate cancer.

Main Methods:

  • Genome-wide systems investigation to build a mechanism-centric regulatory network.
  • Network mining using Enzalutamide response signatures.
  • Experimental validation of identified targets in Enzalutamide-resistant models.

Main Results:

  • MYC was identified as a de novo marker of Enzalutamide resistance.
  • NME2 was identified as an upstream regulatory partner of MYC in CRPC.
  • Increased NME2-MYC activity predicts Enzalutamide resistance independently of other factors.
  • Targeting MYC and NME2 demonstrated therapeutic benefits in Enzalutamide-resistant conditions.

Conclusions:

  • NME2-MYC activity serves as a predictive biomarker for Enzalutamide resistance in CRPC patients.
  • Targeting the NME2-MYC axis offers a promising therapeutic strategy for Enzalutamide-resistant prostate cancer.
  • This research provides a foundation for developing salvage therapies for patients with advanced prostate cancer.

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