Cited by 317Prostate Cancer Treatment and ResearchChromatin Remodeling and CancerGenomics and Chromatin Dynamics

A Somatically Acquired Enhancer of the Androgen Receptor Is a Noncoding Driver in Advanced Prostate Cancer

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Takeda, David Y., Spisák, Sándor, Seo, Ji-Heui, Bell, Connor, O’Connor, Edward, Korthauer, Keegan, Ribli, Dezső, Csabai, István +12 more·2018·Cell

Abstract

Increased androgen receptor (AR) activity drives therapeutic resistance in advanced prostate cancer. The most common resistance mechanism is amplification of this locus presumably targeting the AR gene. Here, we identify and characterize a somatically acquired AR enhancer located 650 kb centromeric to the AR. Systematic perturbation of this enhancer using genome editing decreased proliferation by suppressing AR levels. Insertion of an additional copy of this region sufficed to increase proliferation under low androgen conditions and to decrease sensitivity to enzalutamide. Epigenetic data generated in localized prostate tumors and benign specimens support the notion that this region is a developmental enhancer. Collectively, these observations underscore the importance of epigenomic profiling in primary specimens and the value of deploying genome editing to functionally characterize noncoding elements. More broadly, this work identifies a therapeutic vulnerability for targeting the AR and emphasizes the importance of regulatory elements as highly recurrent oncogenic drivers.

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Crossref · 10.1016/j.cell.2018.05.037

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  • Tumor alterations that reactivate AR signaling during treatment with an ARSI have been identified.

    “We and other groups have identified tumor alterations that reactivate AR signaling during treatment with an ARSI2,22–29.”

    From Genome-scale CRISPR screens identify PTGES3 as a direct modulator of androgen receptor function in advanced prostate cancer (2025) · cites this paper as [24]

    The Results section (‘AR enhancer allelic knock-in confers a castration resistant state’; page unavailable) shows that an added AR enhancer copy increased AR expression and reduced sensitivity to enzalutamide, an AR-signaling inhibitor. The paper identifies this alteration in advanced prostate cancer, but the cited passages do not establish that it arose during ARSI treatment in patients. (LLM, conf=0.84)

    Experimental — accuracy not yet measured
  • Mechanisms of ARSI resistance include AR gene amplification, AR enhancer amplification, AR mutation, AR genomic structural rearrangements, AR splice variants and polymorphisms in androgen metabolism genes.

    “These mechanisms of resistance include AR gene amplification22,23, AR enhancer amplification2,24,25, AR mutation26, AR genomic structural rearrangements27, AR splice variants28 and polymorphisms in androgen metabolism genes29.”

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Authors
Takeda, D. Y., Spisák, S., Seo, J.-H., Bell, C., O’Connor, E., Korthauer, K., Ribli, D., Csabai, I., Solymosi, N., Szállási, Z., Stillman, D. R., Cejas, P., Qiu, X., Long, H. W., Tisza, V., Nuzzo, P. V., Rohanizadegan, M., Pomerantz, M. M., Hahn, W. C., & Freedman, M. L.
Affiliations
  • Broad Institute (US)
  • Dana-Farber Cancer Institute (US)
  • Harvard University (US)
  • Eötvös Loránd University (HU)
  • University of Veterinary Medicine (HU)
  • Semmelweis University (HU)
  • Boston Children's Hospital (US)
Corresponding author
Freedman, Matthew L.
Venue
Cell
Publisher
Elsevier BV
Published
2018-07
Volume
174
Issue
2
Pages
422-432.e13
ISSN
0092-8674 (ISSN-L)
OpenAlex
W2808687910
Cited by
317
References
55
Citations by year
2026: 14 · 2025: 31 · 2024: 44 · 2023: 47 · 2022: 41 · 2021: 54 · 2020: 44 · 2019: 32 · 2018: 10
FWCI
26.37
Type
journal article
Language
en
Open access
Locations
  • Cell (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • Prostate Cancer Foundation Challenge Award
  • NIH (R01GM107427, R01CA193910, K08CA218530, R01HG005220, U01 CA176058)
  • National Research, Development and Innovation Fund of Hungary Project (FIEK_16-1-2016-0005)
  • Novo Nordisk Foundation Interdisciplinary Synergy Programme (NNF15OC0016584)
  • European Social Fund (EFOP-3.6.3-VEKOP-16-2017-00005)
  • Breast Cancer Research Foundation (BCRF-17-156)
  • H.L. Snyder Medical Research Foundation
Topics
  • Health Sciences › Medicine › Pulmonary and Respiratory Medicine › Prostate Cancer Treatment and Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Chromatin Remodeling and Cancer
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Chromatin Dynamics
Keywords
androgen receptor, advanced prostate cancer, treatment resistance, enzalutamide resistance, non-coding regulatory elements, genome editing, epigenetic profiling, oncogenic drivers
MeSH terms
Gene Editing, Acetylation, Adult, Aged, Antineoplastic Agents, Benzamides, Cell Survival, Enhancer Elements, Genetic, Histones, Humans, Male, Middle Aged, Neoplasm Metastasis, Nitriles, Phenylthiohydantoin, Receptors, Androgen, DNA Methylation, Cell Line, Tumor, CRISPR-Cas Systems, Prostatic Neoplasms, Castration-Resistant

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