Related Experiment Video

Updated: Jun 10, 2025

Sequencing Small Non-coding RNA from Formalin-fixed Tissues and Serum-derived Exosomes from Castration-resistant Prostate Cancer Patients
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Sequencing Small Non-coding RNA from Formalin-fixed Tissues and Serum-derived Exosomes from Castration-resistant Prostate Cancer Patients

Published on: November 19, 2019

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Decoding androgen receptor signalling: Genomic vs. non-genomic roles in prostate cancer

Mohammad Asim1

  • 1Androgen Signalling Laboratory, Faculty of Health & Medical Sciences, University of Surrey, Guildford, United Kingdom.

Neoplasia (New York, N.Y.)
|October 15, 2024
PubMed

Insights

Low androgen levels promote prostate cancer proliferation through non-genomic androgen receptor (AR) monomer actions. High levels suppress growth via genomic AR dimer activity, suggesting new therapeutic targets.

Area of Science:

  • Endocrinology
  • Molecular Biology
  • Oncology

Background:

  • Androgen receptor (AR) mediates male sex hormone actions, exhibiting diverse physiological and pathological effects.
  • Non-genomic AR actions rapidly activate pro-proliferative pathways, diverging from the traditional transcription factor model.
  • Understanding varying androgen responses is crucial for conditions like prostate cancer.

Purpose of the Study:

  • To investigate the distinct mechanisms of androgen receptor (AR) action in prostate cancer under varying androgen levels.
  • To elucidate the roles of AR monomers and dimers in cancer proliferation and suppression.
  • To identify novel therapeutic strategies targeting specific AR forms.

Main Methods:

  • Analysis of Safi et al.'s research on androgen receptor (AR) function in prostate cancer.
  • Examination of non-genomic signaling pathways involving AR monomers.
  • Investigation of genomic signaling pathways mediated by AR dimers.

Main Results:

  • Low androgen levels stimulate prostate cancer cell proliferation through non-genomic AR monomer activity.
  • High androgen levels inhibit cancer growth via genomic AR dimer-mediated actions.
  • AR monomers play a significant role in cancer progression and treatment resistance.

Conclusions:

  • Androgen receptor (AR) exerts dual roles in prostate cancer depending on hormone levels and AR conformation (monomer vs. dimer).
  • Findings challenge existing paradigms of AR function in cancer.
  • Targeting both AR monomer and dimer forms offers potential for novel prostate cancer therapies, especially addressing resistance.

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