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A high-resolution 3D epigenomic map reveals insights into the creation of the prostate cancer transcriptome

Author

Listed:
  • Suhn Kyong Rhie

    (University of Southern California)

  • Andrew A. Perez

    (University of Southern California)

  • Fides D. Lay

    (University of Southern California)

  • Shannon Schreiner

    (University of Southern California)

  • Jiani Shi

    (University of Southern California)

  • Jenevieve Polin

    (University of Southern California)

  • Peggy J. Farnham

    (University of Southern California)

Abstract

To better understand the impact of chromatin structure on regulation of the prostate cancer transcriptome, we develop high-resolution chromatin interaction maps in normal and prostate cancer cells using in situ Hi-C. By combining the in situ Hi-C data with active and repressive histone marks, CTCF binding sites, nucleosome-depleted regions, and transcriptome profiling, we identify topologically associating domains (TADs) that change in size and epigenetic states between normal and prostate cancer cells. Moreover, we identify normal and prostate cancer-specific enhancer-promoter loops and involved transcription factors. For example, we show that FOXA1 is enriched in prostate cancer-specific enhancer-promoter loop anchors. We also find that the chromatin structure surrounding the androgen receptor (AR) locus is altered in the prostate cancer cells with many cancer-specific enhancer-promoter loops. This creation of 3D epigenomic maps enables a better understanding of prostate cancer biology and mechanisms of gene regulation.

Suggested Citation

  • Suhn Kyong Rhie & Andrew A. Perez & Fides D. Lay & Shannon Schreiner & Jiani Shi & Jenevieve Polin & Peggy J. Farnham, 2019. "A high-resolution 3D epigenomic map reveals insights into the creation of the prostate cancer transcriptome," Nature Communications, Nature, vol. 10(1), pages 1-12, December.
    • Handle: RePEc:nat:natcom:v:10:y:2019:i:1:d:10.1038_s41467-019-12079-8
    DOI: 10.1038/s41467-019-12079-8
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    Cited by:

    1. Konstantin Okonechnikov & Aylin Camgöz & Owen Chapman & Sameena Wani & Donglim Esther Park & Jens-Martin Hübner & Abhijit Chakraborty & Meghana Pagadala & Rosalind Bump & Sahaana Chandran & Katerina K, 2023. "3D genome mapping identifies subgroup-specific chromosome conformations and tumor-dependency genes in ependymoma," Nature Communications, Nature, vol. 14(1), pages 1-16, December.
    2. Timothy A. Daugird & Yu Shi & Katie L. Holland & Hosein Rostamian & Zhe Liu & Luke D. Lavis & Joseph Rodriguez & Brian D. Strahl & Wesley R. Legant, 2024. "Correlative single molecule lattice light sheet imaging reveals the dynamic relationship between nucleosomes and the local chromatin environment," Nature Communications, Nature, vol. 15(1), pages 1-20, December.

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