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ResearchIn-Press PreviewCell biologyOncology Open Access | 10.1172/jci.insight.207543

Combined BET bromodomain and DNMT inhibition targets critical survival pathways in transdifferentiated prostate cancer

William K. Storck,1 Diana Flores,1 Anbarasu Kumaraswamy,1 Zhi Duan,2 Shrabastee Chakraborty,1 Chao Zhang,1 Eva Rodansky,1 Dhruv Khokhani,1 Olivia A. Swaim,1 Karan Bedi,3 Raymond G. Cavalcante,4 Canping Chen,5 Faming Zhao,5 Ya-Mei Hu,5 Zheng Xia,5 Ryan J. Rebernick,6 Marcin Cieslik,3 Rahul Mannan,6 Somnath Mahapatra,6 Arul M. Chinnaiyan,3 Aaron M. Udager,6 Joshua A. Kuleape,1 Catherine R. Alumkal,1 Hannah N. Beck,1 Peter S. Nelson,7 Colm Morrissey,7 Michael C. Haffner,8 Leigh Ellis,9 Yuzhuo Wang,10 Joel A. Yates,1 and Joshi J. Alumkal11

1Department of Internal Medicine, University of Michigan, Ann Arbor, United States of America

2Department of Internal Medicine, University of Michgan, Ann Arbor, United States of America

3Rogel Cancer Center, University of Michigan, Ann Arbor, United States of America

4Bioinformatics Core, University of Michigan, Ann Arbor, United States of America

5Department of Biomedical Engineering, Oregon Health & Science University, Portland, United States of America

6Michigan Center for Translational Pathology, University of Michigan, Ann Arbor, United States of America

7Department of Urology, University of Washington, Seattle, United States of America

8Division of Human Biology, Fred Hutchinson Cancer Center, Seattle, United States of America

9Center for Prostate Disease Research, Murtha Cancer Center Research Program, Uniformed Services University of the Health Sciences, Bethesda, United States of America

10Vancouver Prostate Centre, Vancouver, Canada

11Department of Internal Medicine, University of Michiagn, Ann Arbor, United States of America

Find articles by Storck, W. in: PubMed | Google Scholar |

1Department of Internal Medicine, University of Michigan, Ann Arbor, United States of America

2Department of Internal Medicine, University of Michgan, Ann Arbor, United States of America

3Rogel Cancer Center, University of Michigan, Ann Arbor, United States of America

4Bioinformatics Core, University of Michigan, Ann Arbor, United States of America

5Department of Biomedical Engineering, Oregon Health & Science University, Portland, United States of America

6Michigan Center for Translational Pathology, University of Michigan, Ann Arbor, United States of America

7Department of Urology, University of Washington, Seattle, United States of America

8Division of Human Biology, Fred Hutchinson Cancer Center, Seattle, United States of America

9Center for Prostate Disease Research, Murtha Cancer Center Research Program, Uniformed Services University of the Health Sciences, Bethesda, United States of America

10Vancouver Prostate Centre, Vancouver, Canada

11Department of Internal Medicine, University of Michiagn, Ann Arbor, United States of America

Find articles by Flores, D. in: PubMed | Google Scholar

1Department of Internal Medicine, University of Michigan, Ann Arbor, United States of America

2Department of Internal Medicine, University of Michgan, Ann Arbor, United States of America

3Rogel Cancer Center, University of Michigan, Ann Arbor, United States of America

4Bioinformatics Core, University of Michigan, Ann Arbor, United States of America

5Department of Biomedical Engineering, Oregon Health & Science University, Portland, United States of America

6Michigan Center for Translational Pathology, University of Michigan, Ann Arbor, United States of America

7Department of Urology, University of Washington, Seattle, United States of America

8Division of Human Biology, Fred Hutchinson Cancer Center, Seattle, United States of America

9Center for Prostate Disease Research, Murtha Cancer Center Research Program, Uniformed Services University of the Health Sciences, Bethesda, United States of America

10Vancouver Prostate Centre, Vancouver, Canada

11Department of Internal Medicine, University of Michiagn, Ann Arbor, United States of America

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1Department of Internal Medicine, University of Michigan, Ann Arbor, United States of America

2Department of Internal Medicine, University of Michgan, Ann Arbor, United States of America

3Rogel Cancer Center, University of Michigan, Ann Arbor, United States of America

4Bioinformatics Core, University of Michigan, Ann Arbor, United States of America

5Department of Biomedical Engineering, Oregon Health & Science University, Portland, United States of America

6Michigan Center for Translational Pathology, University of Michigan, Ann Arbor, United States of America

7Department of Urology, University of Washington, Seattle, United States of America

8Division of Human Biology, Fred Hutchinson Cancer Center, Seattle, United States of America

9Center for Prostate Disease Research, Murtha Cancer Center Research Program, Uniformed Services University of the Health Sciences, Bethesda, United States of America

10Vancouver Prostate Centre, Vancouver, Canada

11Department of Internal Medicine, University of Michiagn, Ann Arbor, United States of America

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1Department of Internal Medicine, University of Michigan, Ann Arbor, United States of America

2Department of Internal Medicine, University of Michgan, Ann Arbor, United States of America

3Rogel Cancer Center, University of Michigan, Ann Arbor, United States of America

4Bioinformatics Core, University of Michigan, Ann Arbor, United States of America

5Department of Biomedical Engineering, Oregon Health & Science University, Portland, United States of America

6Michigan Center for Translational Pathology, University of Michigan, Ann Arbor, United States of America

7Department of Urology, University of Washington, Seattle, United States of America

8Division of Human Biology, Fred Hutchinson Cancer Center, Seattle, United States of America

9Center for Prostate Disease Research, Murtha Cancer Center Research Program, Uniformed Services University of the Health Sciences, Bethesda, United States of America

10Vancouver Prostate Centre, Vancouver, Canada

11Department of Internal Medicine, University of Michiagn, Ann Arbor, United States of America

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1Department of Internal Medicine, University of Michigan, Ann Arbor, United States of America

2Department of Internal Medicine, University of Michgan, Ann Arbor, United States of America

3Rogel Cancer Center, University of Michigan, Ann Arbor, United States of America

4Bioinformatics Core, University of Michigan, Ann Arbor, United States of America

5Department of Biomedical Engineering, Oregon Health & Science University, Portland, United States of America

6Michigan Center for Translational Pathology, University of Michigan, Ann Arbor, United States of America

7Department of Urology, University of Washington, Seattle, United States of America

8Division of Human Biology, Fred Hutchinson Cancer Center, Seattle, United States of America

9Center for Prostate Disease Research, Murtha Cancer Center Research Program, Uniformed Services University of the Health Sciences, Bethesda, United States of America

10Vancouver Prostate Centre, Vancouver, Canada

11Department of Internal Medicine, University of Michiagn, Ann Arbor, United States of America

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1Department of Internal Medicine, University of Michigan, Ann Arbor, United States of America

2Department of Internal Medicine, University of Michgan, Ann Arbor, United States of America

3Rogel Cancer Center, University of Michigan, Ann Arbor, United States of America

4Bioinformatics Core, University of Michigan, Ann Arbor, United States of America

5Department of Biomedical Engineering, Oregon Health & Science University, Portland, United States of America

6Michigan Center for Translational Pathology, University of Michigan, Ann Arbor, United States of America

7Department of Urology, University of Washington, Seattle, United States of America

8Division of Human Biology, Fred Hutchinson Cancer Center, Seattle, United States of America

9Center for Prostate Disease Research, Murtha Cancer Center Research Program, Uniformed Services University of the Health Sciences, Bethesda, United States of America

10Vancouver Prostate Centre, Vancouver, Canada

11Department of Internal Medicine, University of Michiagn, Ann Arbor, United States of America

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1Department of Internal Medicine, University of Michigan, Ann Arbor, United States of America

2Department of Internal Medicine, University of Michgan, Ann Arbor, United States of America

3Rogel Cancer Center, University of Michigan, Ann Arbor, United States of America

4Bioinformatics Core, University of Michigan, Ann Arbor, United States of America

5Department of Biomedical Engineering, Oregon Health & Science University, Portland, United States of America

6Michigan Center for Translational Pathology, University of Michigan, Ann Arbor, United States of America

7Department of Urology, University of Washington, Seattle, United States of America

8Division of Human Biology, Fred Hutchinson Cancer Center, Seattle, United States of America

9Center for Prostate Disease Research, Murtha Cancer Center Research Program, Uniformed Services University of the Health Sciences, Bethesda, United States of America

10Vancouver Prostate Centre, Vancouver, Canada

11Department of Internal Medicine, University of Michiagn, Ann Arbor, United States of America

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1Department of Internal Medicine, University of Michigan, Ann Arbor, United States of America

2Department of Internal Medicine, University of Michgan, Ann Arbor, United States of America

3Rogel Cancer Center, University of Michigan, Ann Arbor, United States of America

4Bioinformatics Core, University of Michigan, Ann Arbor, United States of America

5Department of Biomedical Engineering, Oregon Health & Science University, Portland, United States of America

6Michigan Center for Translational Pathology, University of Michigan, Ann Arbor, United States of America

7Department of Urology, University of Washington, Seattle, United States of America

8Division of Human Biology, Fred Hutchinson Cancer Center, Seattle, United States of America

9Center for Prostate Disease Research, Murtha Cancer Center Research Program, Uniformed Services University of the Health Sciences, Bethesda, United States of America

10Vancouver Prostate Centre, Vancouver, Canada

11Department of Internal Medicine, University of Michiagn, Ann Arbor, United States of America

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1Department of Internal Medicine, University of Michigan, Ann Arbor, United States of America

2Department of Internal Medicine, University of Michgan, Ann Arbor, United States of America

3Rogel Cancer Center, University of Michigan, Ann Arbor, United States of America

4Bioinformatics Core, University of Michigan, Ann Arbor, United States of America

5Department of Biomedical Engineering, Oregon Health & Science University, Portland, United States of America

6Michigan Center for Translational Pathology, University of Michigan, Ann Arbor, United States of America

7Department of Urology, University of Washington, Seattle, United States of America

8Division of Human Biology, Fred Hutchinson Cancer Center, Seattle, United States of America

9Center for Prostate Disease Research, Murtha Cancer Center Research Program, Uniformed Services University of the Health Sciences, Bethesda, United States of America

10Vancouver Prostate Centre, Vancouver, Canada

11Department of Internal Medicine, University of Michiagn, Ann Arbor, United States of America

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1Department of Internal Medicine, University of Michigan, Ann Arbor, United States of America

2Department of Internal Medicine, University of Michgan, Ann Arbor, United States of America

3Rogel Cancer Center, University of Michigan, Ann Arbor, United States of America

4Bioinformatics Core, University of Michigan, Ann Arbor, United States of America

5Department of Biomedical Engineering, Oregon Health & Science University, Portland, United States of America

6Michigan Center for Translational Pathology, University of Michigan, Ann Arbor, United States of America

7Department of Urology, University of Washington, Seattle, United States of America

8Division of Human Biology, Fred Hutchinson Cancer Center, Seattle, United States of America

9Center for Prostate Disease Research, Murtha Cancer Center Research Program, Uniformed Services University of the Health Sciences, Bethesda, United States of America

10Vancouver Prostate Centre, Vancouver, Canada

11Department of Internal Medicine, University of Michiagn, Ann Arbor, United States of America

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1Department of Internal Medicine, University of Michigan, Ann Arbor, United States of America

2Department of Internal Medicine, University of Michgan, Ann Arbor, United States of America

3Rogel Cancer Center, University of Michigan, Ann Arbor, United States of America

4Bioinformatics Core, University of Michigan, Ann Arbor, United States of America

5Department of Biomedical Engineering, Oregon Health & Science University, Portland, United States of America

6Michigan Center for Translational Pathology, University of Michigan, Ann Arbor, United States of America

7Department of Urology, University of Washington, Seattle, United States of America

8Division of Human Biology, Fred Hutchinson Cancer Center, Seattle, United States of America

9Center for Prostate Disease Research, Murtha Cancer Center Research Program, Uniformed Services University of the Health Sciences, Bethesda, United States of America

10Vancouver Prostate Centre, Vancouver, Canada

11Department of Internal Medicine, University of Michiagn, Ann Arbor, United States of America

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1Department of Internal Medicine, University of Michigan, Ann Arbor, United States of America

2Department of Internal Medicine, University of Michgan, Ann Arbor, United States of America

3Rogel Cancer Center, University of Michigan, Ann Arbor, United States of America

4Bioinformatics Core, University of Michigan, Ann Arbor, United States of America

5Department of Biomedical Engineering, Oregon Health & Science University, Portland, United States of America

6Michigan Center for Translational Pathology, University of Michigan, Ann Arbor, United States of America

7Department of Urology, University of Washington, Seattle, United States of America

8Division of Human Biology, Fred Hutchinson Cancer Center, Seattle, United States of America

9Center for Prostate Disease Research, Murtha Cancer Center Research Program, Uniformed Services University of the Health Sciences, Bethesda, United States of America

10Vancouver Prostate Centre, Vancouver, Canada

11Department of Internal Medicine, University of Michiagn, Ann Arbor, United States of America

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1Department of Internal Medicine, University of Michigan, Ann Arbor, United States of America

2Department of Internal Medicine, University of Michgan, Ann Arbor, United States of America

3Rogel Cancer Center, University of Michigan, Ann Arbor, United States of America

4Bioinformatics Core, University of Michigan, Ann Arbor, United States of America

5Department of Biomedical Engineering, Oregon Health & Science University, Portland, United States of America

6Michigan Center for Translational Pathology, University of Michigan, Ann Arbor, United States of America

7Department of Urology, University of Washington, Seattle, United States of America

8Division of Human Biology, Fred Hutchinson Cancer Center, Seattle, United States of America

9Center for Prostate Disease Research, Murtha Cancer Center Research Program, Uniformed Services University of the Health Sciences, Bethesda, United States of America

10Vancouver Prostate Centre, Vancouver, Canada

11Department of Internal Medicine, University of Michiagn, Ann Arbor, United States of America

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1Department of Internal Medicine, University of Michigan, Ann Arbor, United States of America

2Department of Internal Medicine, University of Michgan, Ann Arbor, United States of America

3Rogel Cancer Center, University of Michigan, Ann Arbor, United States of America

4Bioinformatics Core, University of Michigan, Ann Arbor, United States of America

5Department of Biomedical Engineering, Oregon Health & Science University, Portland, United States of America

6Michigan Center for Translational Pathology, University of Michigan, Ann Arbor, United States of America

7Department of Urology, University of Washington, Seattle, United States of America

8Division of Human Biology, Fred Hutchinson Cancer Center, Seattle, United States of America

9Center for Prostate Disease Research, Murtha Cancer Center Research Program, Uniformed Services University of the Health Sciences, Bethesda, United States of America

10Vancouver Prostate Centre, Vancouver, Canada

11Department of Internal Medicine, University of Michiagn, Ann Arbor, United States of America

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1Department of Internal Medicine, University of Michigan, Ann Arbor, United States of America

2Department of Internal Medicine, University of Michgan, Ann Arbor, United States of America

3Rogel Cancer Center, University of Michigan, Ann Arbor, United States of America

4Bioinformatics Core, University of Michigan, Ann Arbor, United States of America

5Department of Biomedical Engineering, Oregon Health & Science University, Portland, United States of America

6Michigan Center for Translational Pathology, University of Michigan, Ann Arbor, United States of America

7Department of Urology, University of Washington, Seattle, United States of America

8Division of Human Biology, Fred Hutchinson Cancer Center, Seattle, United States of America

9Center for Prostate Disease Research, Murtha Cancer Center Research Program, Uniformed Services University of the Health Sciences, Bethesda, United States of America

10Vancouver Prostate Centre, Vancouver, Canada

11Department of Internal Medicine, University of Michiagn, Ann Arbor, United States of America

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1Department of Internal Medicine, University of Michigan, Ann Arbor, United States of America

2Department of Internal Medicine, University of Michgan, Ann Arbor, United States of America

3Rogel Cancer Center, University of Michigan, Ann Arbor, United States of America

4Bioinformatics Core, University of Michigan, Ann Arbor, United States of America

5Department of Biomedical Engineering, Oregon Health & Science University, Portland, United States of America

6Michigan Center for Translational Pathology, University of Michigan, Ann Arbor, United States of America

7Department of Urology, University of Washington, Seattle, United States of America

8Division of Human Biology, Fred Hutchinson Cancer Center, Seattle, United States of America

9Center for Prostate Disease Research, Murtha Cancer Center Research Program, Uniformed Services University of the Health Sciences, Bethesda, United States of America

10Vancouver Prostate Centre, Vancouver, Canada

11Department of Internal Medicine, University of Michiagn, Ann Arbor, United States of America

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1Department of Internal Medicine, University of Michigan, Ann Arbor, United States of America

2Department of Internal Medicine, University of Michgan, Ann Arbor, United States of America

3Rogel Cancer Center, University of Michigan, Ann Arbor, United States of America

4Bioinformatics Core, University of Michigan, Ann Arbor, United States of America

5Department of Biomedical Engineering, Oregon Health & Science University, Portland, United States of America

6Michigan Center for Translational Pathology, University of Michigan, Ann Arbor, United States of America

7Department of Urology, University of Washington, Seattle, United States of America

8Division of Human Biology, Fred Hutchinson Cancer Center, Seattle, United States of America

9Center for Prostate Disease Research, Murtha Cancer Center Research Program, Uniformed Services University of the Health Sciences, Bethesda, United States of America

10Vancouver Prostate Centre, Vancouver, Canada

11Department of Internal Medicine, University of Michiagn, Ann Arbor, United States of America

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1Department of Internal Medicine, University of Michigan, Ann Arbor, United States of America

2Department of Internal Medicine, University of Michgan, Ann Arbor, United States of America

3Rogel Cancer Center, University of Michigan, Ann Arbor, United States of America

4Bioinformatics Core, University of Michigan, Ann Arbor, United States of America

5Department of Biomedical Engineering, Oregon Health & Science University, Portland, United States of America

6Michigan Center for Translational Pathology, University of Michigan, Ann Arbor, United States of America

7Department of Urology, University of Washington, Seattle, United States of America

8Division of Human Biology, Fred Hutchinson Cancer Center, Seattle, United States of America

9Center for Prostate Disease Research, Murtha Cancer Center Research Program, Uniformed Services University of the Health Sciences, Bethesda, United States of America

10Vancouver Prostate Centre, Vancouver, Canada

11Department of Internal Medicine, University of Michiagn, Ann Arbor, United States of America

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1Department of Internal Medicine, University of Michigan, Ann Arbor, United States of America

2Department of Internal Medicine, University of Michgan, Ann Arbor, United States of America

3Rogel Cancer Center, University of Michigan, Ann Arbor, United States of America

4Bioinformatics Core, University of Michigan, Ann Arbor, United States of America

5Department of Biomedical Engineering, Oregon Health & Science University, Portland, United States of America

6Michigan Center for Translational Pathology, University of Michigan, Ann Arbor, United States of America

7Department of Urology, University of Washington, Seattle, United States of America

8Division of Human Biology, Fred Hutchinson Cancer Center, Seattle, United States of America

9Center for Prostate Disease Research, Murtha Cancer Center Research Program, Uniformed Services University of the Health Sciences, Bethesda, United States of America

10Vancouver Prostate Centre, Vancouver, Canada

11Department of Internal Medicine, University of Michiagn, Ann Arbor, United States of America

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1Department of Internal Medicine, University of Michigan, Ann Arbor, United States of America

2Department of Internal Medicine, University of Michgan, Ann Arbor, United States of America

3Rogel Cancer Center, University of Michigan, Ann Arbor, United States of America

4Bioinformatics Core, University of Michigan, Ann Arbor, United States of America

5Department of Biomedical Engineering, Oregon Health & Science University, Portland, United States of America

6Michigan Center for Translational Pathology, University of Michigan, Ann Arbor, United States of America

7Department of Urology, University of Washington, Seattle, United States of America

8Division of Human Biology, Fred Hutchinson Cancer Center, Seattle, United States of America

9Center for Prostate Disease Research, Murtha Cancer Center Research Program, Uniformed Services University of the Health Sciences, Bethesda, United States of America

10Vancouver Prostate Centre, Vancouver, Canada

11Department of Internal Medicine, University of Michiagn, Ann Arbor, United States of America

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1Department of Internal Medicine, University of Michigan, Ann Arbor, United States of America

2Department of Internal Medicine, University of Michgan, Ann Arbor, United States of America

3Rogel Cancer Center, University of Michigan, Ann Arbor, United States of America

4Bioinformatics Core, University of Michigan, Ann Arbor, United States of America

5Department of Biomedical Engineering, Oregon Health & Science University, Portland, United States of America

6Michigan Center for Translational Pathology, University of Michigan, Ann Arbor, United States of America

7Department of Urology, University of Washington, Seattle, United States of America

8Division of Human Biology, Fred Hutchinson Cancer Center, Seattle, United States of America

9Center for Prostate Disease Research, Murtha Cancer Center Research Program, Uniformed Services University of the Health Sciences, Bethesda, United States of America

10Vancouver Prostate Centre, Vancouver, Canada

11Department of Internal Medicine, University of Michiagn, Ann Arbor, United States of America

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1Department of Internal Medicine, University of Michigan, Ann Arbor, United States of America

2Department of Internal Medicine, University of Michgan, Ann Arbor, United States of America

3Rogel Cancer Center, University of Michigan, Ann Arbor, United States of America

4Bioinformatics Core, University of Michigan, Ann Arbor, United States of America

5Department of Biomedical Engineering, Oregon Health & Science University, Portland, United States of America

6Michigan Center for Translational Pathology, University of Michigan, Ann Arbor, United States of America

7Department of Urology, University of Washington, Seattle, United States of America

8Division of Human Biology, Fred Hutchinson Cancer Center, Seattle, United States of America

9Center for Prostate Disease Research, Murtha Cancer Center Research Program, Uniformed Services University of the Health Sciences, Bethesda, United States of America

10Vancouver Prostate Centre, Vancouver, Canada

11Department of Internal Medicine, University of Michiagn, Ann Arbor, United States of America

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1Department of Internal Medicine, University of Michigan, Ann Arbor, United States of America

2Department of Internal Medicine, University of Michgan, Ann Arbor, United States of America

3Rogel Cancer Center, University of Michigan, Ann Arbor, United States of America

4Bioinformatics Core, University of Michigan, Ann Arbor, United States of America

5Department of Biomedical Engineering, Oregon Health & Science University, Portland, United States of America

6Michigan Center for Translational Pathology, University of Michigan, Ann Arbor, United States of America

7Department of Urology, University of Washington, Seattle, United States of America

8Division of Human Biology, Fred Hutchinson Cancer Center, Seattle, United States of America

9Center for Prostate Disease Research, Murtha Cancer Center Research Program, Uniformed Services University of the Health Sciences, Bethesda, United States of America

10Vancouver Prostate Centre, Vancouver, Canada

11Department of Internal Medicine, University of Michiagn, Ann Arbor, United States of America

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1Department of Internal Medicine, University of Michigan, Ann Arbor, United States of America

2Department of Internal Medicine, University of Michgan, Ann Arbor, United States of America

3Rogel Cancer Center, University of Michigan, Ann Arbor, United States of America

4Bioinformatics Core, University of Michigan, Ann Arbor, United States of America

5Department of Biomedical Engineering, Oregon Health & Science University, Portland, United States of America

6Michigan Center for Translational Pathology, University of Michigan, Ann Arbor, United States of America

7Department of Urology, University of Washington, Seattle, United States of America

8Division of Human Biology, Fred Hutchinson Cancer Center, Seattle, United States of America

9Center for Prostate Disease Research, Murtha Cancer Center Research Program, Uniformed Services University of the Health Sciences, Bethesda, United States of America

10Vancouver Prostate Centre, Vancouver, Canada

11Department of Internal Medicine, University of Michiagn, Ann Arbor, United States of America

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1Department of Internal Medicine, University of Michigan, Ann Arbor, United States of America

2Department of Internal Medicine, University of Michgan, Ann Arbor, United States of America

3Rogel Cancer Center, University of Michigan, Ann Arbor, United States of America

4Bioinformatics Core, University of Michigan, Ann Arbor, United States of America

5Department of Biomedical Engineering, Oregon Health & Science University, Portland, United States of America

6Michigan Center for Translational Pathology, University of Michigan, Ann Arbor, United States of America

7Department of Urology, University of Washington, Seattle, United States of America

8Division of Human Biology, Fred Hutchinson Cancer Center, Seattle, United States of America

9Center for Prostate Disease Research, Murtha Cancer Center Research Program, Uniformed Services University of the Health Sciences, Bethesda, United States of America

10Vancouver Prostate Centre, Vancouver, Canada

11Department of Internal Medicine, University of Michiagn, Ann Arbor, United States of America

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1Department of Internal Medicine, University of Michigan, Ann Arbor, United States of America

2Department of Internal Medicine, University of Michgan, Ann Arbor, United States of America

3Rogel Cancer Center, University of Michigan, Ann Arbor, United States of America

4Bioinformatics Core, University of Michigan, Ann Arbor, United States of America

5Department of Biomedical Engineering, Oregon Health & Science University, Portland, United States of America

6Michigan Center for Translational Pathology, University of Michigan, Ann Arbor, United States of America

7Department of Urology, University of Washington, Seattle, United States of America

8Division of Human Biology, Fred Hutchinson Cancer Center, Seattle, United States of America

9Center for Prostate Disease Research, Murtha Cancer Center Research Program, Uniformed Services University of the Health Sciences, Bethesda, United States of America

10Vancouver Prostate Centre, Vancouver, Canada

11Department of Internal Medicine, University of Michiagn, Ann Arbor, United States of America

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1Department of Internal Medicine, University of Michigan, Ann Arbor, United States of America

2Department of Internal Medicine, University of Michgan, Ann Arbor, United States of America

3Rogel Cancer Center, University of Michigan, Ann Arbor, United States of America

4Bioinformatics Core, University of Michigan, Ann Arbor, United States of America

5Department of Biomedical Engineering, Oregon Health & Science University, Portland, United States of America

6Michigan Center for Translational Pathology, University of Michigan, Ann Arbor, United States of America

7Department of Urology, University of Washington, Seattle, United States of America

8Division of Human Biology, Fred Hutchinson Cancer Center, Seattle, United States of America

9Center for Prostate Disease Research, Murtha Cancer Center Research Program, Uniformed Services University of the Health Sciences, Bethesda, United States of America

10Vancouver Prostate Centre, Vancouver, Canada

11Department of Internal Medicine, University of Michiagn, Ann Arbor, United States of America

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1Department of Internal Medicine, University of Michigan, Ann Arbor, United States of America

2Department of Internal Medicine, University of Michgan, Ann Arbor, United States of America

3Rogel Cancer Center, University of Michigan, Ann Arbor, United States of America

4Bioinformatics Core, University of Michigan, Ann Arbor, United States of America

5Department of Biomedical Engineering, Oregon Health & Science University, Portland, United States of America

6Michigan Center for Translational Pathology, University of Michigan, Ann Arbor, United States of America

7Department of Urology, University of Washington, Seattle, United States of America

8Division of Human Biology, Fred Hutchinson Cancer Center, Seattle, United States of America

9Center for Prostate Disease Research, Murtha Cancer Center Research Program, Uniformed Services University of the Health Sciences, Bethesda, United States of America

10Vancouver Prostate Centre, Vancouver, Canada

11Department of Internal Medicine, University of Michiagn, Ann Arbor, United States of America

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1Department of Internal Medicine, University of Michigan, Ann Arbor, United States of America

2Department of Internal Medicine, University of Michgan, Ann Arbor, United States of America

3Rogel Cancer Center, University of Michigan, Ann Arbor, United States of America

4Bioinformatics Core, University of Michigan, Ann Arbor, United States of America

5Department of Biomedical Engineering, Oregon Health & Science University, Portland, United States of America

6Michigan Center for Translational Pathology, University of Michigan, Ann Arbor, United States of America

7Department of Urology, University of Washington, Seattle, United States of America

8Division of Human Biology, Fred Hutchinson Cancer Center, Seattle, United States of America

9Center for Prostate Disease Research, Murtha Cancer Center Research Program, Uniformed Services University of the Health Sciences, Bethesda, United States of America

10Vancouver Prostate Centre, Vancouver, Canada

11Department of Internal Medicine, University of Michiagn, Ann Arbor, United States of America

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1Department of Internal Medicine, University of Michigan, Ann Arbor, United States of America

2Department of Internal Medicine, University of Michgan, Ann Arbor, United States of America

3Rogel Cancer Center, University of Michigan, Ann Arbor, United States of America

4Bioinformatics Core, University of Michigan, Ann Arbor, United States of America

5Department of Biomedical Engineering, Oregon Health & Science University, Portland, United States of America

6Michigan Center for Translational Pathology, University of Michigan, Ann Arbor, United States of America

7Department of Urology, University of Washington, Seattle, United States of America

8Division of Human Biology, Fred Hutchinson Cancer Center, Seattle, United States of America

9Center for Prostate Disease Research, Murtha Cancer Center Research Program, Uniformed Services University of the Health Sciences, Bethesda, United States of America

10Vancouver Prostate Centre, Vancouver, Canada

11Department of Internal Medicine, University of Michiagn, Ann Arbor, United States of America

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Published August 11, 2026 - More info

JCI Insight. https://doi.org/10.1172/jci.insight.207543.
Copyright © 2026, Storck et al. This work is licensed under the Creative Commons Attribution 4.0 International License. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.
Published August 11, 2026 - Version history
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Abstract

Lineage plasticity, or transdifferentiation, is increasingly recognized as a resistance mechanism to androgen receptor (AR) inhibition in prostate cancer. Lineage plasticity is characterized by loss of AR signaling and epithelial differentiation, along with activation of stemness-associated pathways, epithelial-mesenchymal transition (EMT), or alternative differentiation programs such as neuroendocrine prostate cancer (NEPC). Loss of the tumor suppressors TP53 and RB1 is common in tumors exhibiting lineage plasticity; however, mechanisms by which TP53/RB1 loss promotes this phenotype remain poorly understood, and effective treatments are limited. Using multi-omic profiling of TP53/RB1 loss prostate cancer models, we identified alterations in chromatin accessibility, DNA methylation, and gene expression associated with lineage plasticity. Importantly, many pathways activated upon TP53/RB1 loss could be blocked through BET bromodomain inhibition. TP53/RB1-deficient cells also harbored widespread DNA methylation changes that silenced pathways linked with restraining lineage plasticity. Combined BET bromodomain and DNA methyltransferase (DNMT) inhibition was more effective than single agent treatment in suppressing growth of TP53/RB1 loss models exhibiting a stem-like or NEPC program. This was partly explained by abrogation of discrete lineage plasticity pathways modulated by each agent. Altogether, our work suggests combined BET bromodomain and DNMT inhibition is a promising therapeutic approach for prostate tumors exhibiting lineage plasticity.

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Supplemental material

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View STable3_Abida_SU2C_TP53_RB1_nullvsintact_GSEA

View STable4_BETi_ORA_TKO_DKOcr298

View STable5_Integrated_Suppressed_ORA

View STable6_TP53_RB1_loss_LP_combo_reversed_genes_of_interest

View STable7_ComboTx_vs_DepMap

View STable8_TKO_comboTx_DOWN_ORA

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View STable10_DKOcr298_comboTx_DOWN_ORA

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View STable12_NEPC_LP_combo_reversed_genes_of_interest

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