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Updated: Feb 17, 2026

Detecting the Ligand-binding Domain Dimerization Activity of Estrogen Receptor Alpha Using the Mammalian Two-Hybrid Assay
09:07

Detecting the Ligand-binding Domain Dimerization Activity of Estrogen Receptor Alpha Using the Mammalian Two-Hybrid Assay

Published on: December 19, 2018

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Regulation of Androgen Receptor Activity by Transient Interactions of Its Transactivation Domain with General

Eva De Mol1, Elzbieta Szulc1, Claudio Di Sanza1

  • 1Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology, Baldiri Reixac 10, 08028 Barcelona, Spain.

Structure (London, England : 1993)
|December 12, 2017
PubMed

Insights

Researchers identified a key androgen receptor motif that recruits a transcription regulator, offering new therapeutic strategies for prostate cancer. This finding sheds light on how androgen receptor activity is controlled.

Area of Science:

  • Molecular biology
  • Cancer research
  • Transcription regulation

Background:

  • The androgen receptor (AR) is crucial in prostate cancer development.
  • Understanding AR interactions with transcription regulators is vital for therapy.
  • The disordered nature of AR's transactivation domain complicates studying these interactions.

Purpose of the Study:

  • To elucidate the molecular mechanisms underlying AR interactions with general transcription regulators.
  • To identify specific AR motifs involved in transcriptional activity.
  • To explore therapeutic strategies for castration-resistant prostate cancer.

Main Methods:

  • Identification of a specific motif within the AR transactivation domain.
  • Analysis of the interaction between this AR motif and the general transcription regulator TFIIF.
  • Investigating the role of this interaction in transcriptional regulation.

Main Results:

  • A specific motif in the AR transactivation domain was identified.
  • This motif was found to recruit the C-terminal domain of TFIIF subunit 1.
  • This recruitment contributes to AR's transcriptional activity.

Conclusions:

  • The identified AR motif plays a role in recruiting TFIIF, influencing AR function.
  • These findings offer molecular insights into AR regulation.
  • The study suggests potential therapeutic avenues for castration-resistant prostate cancer by targeting AR-TFIIF interactions.
Keywords:
androgen receptorcastration-resistant prostate cancerintrinsic disorderprotein phosphorylationprotein-protein interactionstranscriptiontranscription factor IIF

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