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Splicing variants of androgen receptor in prostate cancer

Haitao Zhang1, Yang Zhan2, Xichun Liu3

  • 1Department of Pathology and Laboratory Medicine, Tulane University School of Medicine New Orleans, LA ; Department of Tulane Cancer Center New Orleans, LA.

American Journal of Clinical and Experimental Urology
|November 7, 2014
PubMed

Insights

Androgen receptor splice variants drive castration-resistant prostate cancer progression despite new therapies like abiraterone and enzalutamide. Understanding AR variants is key to overcoming treatment resistance in prostate cancer.

Area of Science:

  • Oncology
  • Molecular Biology
  • Genetics

Background:

  • Castration-resistant prostate cancer (CRPC) remains a clinical challenge.
  • Androgen receptor (AR) signaling persists in CRPC.
  • New therapies (abiraterone, enzalutamide) target AR but resistance develops.

Purpose of the Study:

  • To review the role of AR splice variants in CRPC progression.
  • To discuss the structure, activity, detection, and clinical relevance of AR variants.
  • To explore mechanisms of AR variant production.

Main Methods:

  • Literature review of studies on AR splice variants in prostate cancer.
  • Analysis of data on AR variant structure and function.
  • Examination of clinical studies investigating AR variants and treatment outcomes.

Main Results:

  • Constitutively active AR splice variants contribute to AR-driven tumor progression.
  • AR variants are detected in CRPC and associated with treatment resistance.
  • Mechanisms of AR variant production are increasingly understood.

Conclusions:

  • AR splice variants are critical drivers of treatment resistance in CRPC.
  • Targeting AR variants may offer new therapeutic strategies.
  • Further research into AR variant biology is essential for improving CRPC management.
Keywords:
AR splice variantsAndrogen receptorcastration resistanceprostate cancer

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