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ResearchIn-Press PreviewDermatologyOncologyTherapeutics Open Access | 10.1172/jci.insight.190287

CoREST complex inhibition alters RNA splicing to promote neoantigen expression and enhance tumor immunity

Robert J. Fisher,1 Kihyun Park,1 Kwangwoon Lee,2 Katarina Pinjusic,3 Allison Vanasse,3 Christina S. Ennis,4 Parisa Farokh,5 Scott B. Ficarro,6 Jarrod A. Marto,6 Hanjie Jiang,2 Eunju Nam,2 Stephanie Stransky,7 Joseph Duke-Cohan,3 Melis A. Akinci,3 Anupa Geethadevi,8 Eric Raabe,8 Ana Fiszbein,9 Shadmehr Demehri,5 Simone Sidoli,7 Chad W. Hicks,10 Derin B. Keskin,3 Catherine J. Wu,3 Philip A. Cole,2 and Rhoda M. Alani1

1Department of Dermatology, Boston University Chobanian and Avedisian School of Medicine, Boston, United States of America

2Division of Genetics, Departments of Medicine and Biological Chemistry and , Harvard Medical School and Brigham and Women’s Hospital, Boston, United States of America

3Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, United States of America

4Cancer Center, Boston University Chobanian and Avedisian School of Medicine, Boston, United States of America

5Center for Cancer Immunology, Krantz Family Center for Cancer Research, Massachusetts General Hospital and Harvard Medical School, Boston, United States of America

6Department of Cancer Biology, Center for Emergent Drug Targets, and Blais P, Dana-Farber Cancer Institute, Brigham and Women’s Hospital and Harvard Medical School, Boston, United States of America

7Department of Biochemistry, Albert Einstein College of Medicine, Bronx, United States of America

8Division of Pediatric Oncology, Johns Hopkins University School of Medicine and Johns Hopkins Hospital, Bloomberg Children's Center, Baltimore, United States of America

9Department of Biology, Boston University, Boston, United States of America

10Department of Pharmacology, Physiology & Biophysics, Boston University Chobanian and Avedisian School of Medicine, Boston, United States of America

Find articles by Fisher, R. in: PubMed | Google Scholar

1Department of Dermatology, Boston University Chobanian and Avedisian School of Medicine, Boston, United States of America

2Division of Genetics, Departments of Medicine and Biological Chemistry and , Harvard Medical School and Brigham and Women’s Hospital, Boston, United States of America

3Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, United States of America

4Cancer Center, Boston University Chobanian and Avedisian School of Medicine, Boston, United States of America

5Center for Cancer Immunology, Krantz Family Center for Cancer Research, Massachusetts General Hospital and Harvard Medical School, Boston, United States of America

6Department of Cancer Biology, Center for Emergent Drug Targets, and Blais P, Dana-Farber Cancer Institute, Brigham and Women’s Hospital and Harvard Medical School, Boston, United States of America

7Department of Biochemistry, Albert Einstein College of Medicine, Bronx, United States of America

8Division of Pediatric Oncology, Johns Hopkins University School of Medicine and Johns Hopkins Hospital, Bloomberg Children's Center, Baltimore, United States of America

9Department of Biology, Boston University, Boston, United States of America

10Department of Pharmacology, Physiology & Biophysics, Boston University Chobanian and Avedisian School of Medicine, Boston, United States of America

Find articles by Park, K. in: PubMed | Google Scholar

1Department of Dermatology, Boston University Chobanian and Avedisian School of Medicine, Boston, United States of America

2Division of Genetics, Departments of Medicine and Biological Chemistry and , Harvard Medical School and Brigham and Women’s Hospital, Boston, United States of America

3Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, United States of America

4Cancer Center, Boston University Chobanian and Avedisian School of Medicine, Boston, United States of America

5Center for Cancer Immunology, Krantz Family Center for Cancer Research, Massachusetts General Hospital and Harvard Medical School, Boston, United States of America

6Department of Cancer Biology, Center for Emergent Drug Targets, and Blais P, Dana-Farber Cancer Institute, Brigham and Women’s Hospital and Harvard Medical School, Boston, United States of America

7Department of Biochemistry, Albert Einstein College of Medicine, Bronx, United States of America

8Division of Pediatric Oncology, Johns Hopkins University School of Medicine and Johns Hopkins Hospital, Bloomberg Children's Center, Baltimore, United States of America

9Department of Biology, Boston University, Boston, United States of America

10Department of Pharmacology, Physiology & Biophysics, Boston University Chobanian and Avedisian School of Medicine, Boston, United States of America

Find articles by Lee, K. in: PubMed | Google Scholar

1Department of Dermatology, Boston University Chobanian and Avedisian School of Medicine, Boston, United States of America

2Division of Genetics, Departments of Medicine and Biological Chemistry and , Harvard Medical School and Brigham and Women’s Hospital, Boston, United States of America

3Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, United States of America

4Cancer Center, Boston University Chobanian and Avedisian School of Medicine, Boston, United States of America

5Center for Cancer Immunology, Krantz Family Center for Cancer Research, Massachusetts General Hospital and Harvard Medical School, Boston, United States of America

6Department of Cancer Biology, Center for Emergent Drug Targets, and Blais P, Dana-Farber Cancer Institute, Brigham and Women’s Hospital and Harvard Medical School, Boston, United States of America

7Department of Biochemistry, Albert Einstein College of Medicine, Bronx, United States of America

8Division of Pediatric Oncology, Johns Hopkins University School of Medicine and Johns Hopkins Hospital, Bloomberg Children's Center, Baltimore, United States of America

9Department of Biology, Boston University, Boston, United States of America

10Department of Pharmacology, Physiology & Biophysics, Boston University Chobanian and Avedisian School of Medicine, Boston, United States of America

Find articles by Pinjusic, K. in: PubMed | Google Scholar

1Department of Dermatology, Boston University Chobanian and Avedisian School of Medicine, Boston, United States of America

2Division of Genetics, Departments of Medicine and Biological Chemistry and , Harvard Medical School and Brigham and Women’s Hospital, Boston, United States of America

3Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, United States of America

4Cancer Center, Boston University Chobanian and Avedisian School of Medicine, Boston, United States of America

5Center for Cancer Immunology, Krantz Family Center for Cancer Research, Massachusetts General Hospital and Harvard Medical School, Boston, United States of America

6Department of Cancer Biology, Center for Emergent Drug Targets, and Blais P, Dana-Farber Cancer Institute, Brigham and Women’s Hospital and Harvard Medical School, Boston, United States of America

7Department of Biochemistry, Albert Einstein College of Medicine, Bronx, United States of America

8Division of Pediatric Oncology, Johns Hopkins University School of Medicine and Johns Hopkins Hospital, Bloomberg Children's Center, Baltimore, United States of America

9Department of Biology, Boston University, Boston, United States of America

10Department of Pharmacology, Physiology & Biophysics, Boston University Chobanian and Avedisian School of Medicine, Boston, United States of America

Find articles by Vanasse, A. in: PubMed | Google Scholar

1Department of Dermatology, Boston University Chobanian and Avedisian School of Medicine, Boston, United States of America

2Division of Genetics, Departments of Medicine and Biological Chemistry and , Harvard Medical School and Brigham and Women’s Hospital, Boston, United States of America

3Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, United States of America

4Cancer Center, Boston University Chobanian and Avedisian School of Medicine, Boston, United States of America

5Center for Cancer Immunology, Krantz Family Center for Cancer Research, Massachusetts General Hospital and Harvard Medical School, Boston, United States of America

6Department of Cancer Biology, Center for Emergent Drug Targets, and Blais P, Dana-Farber Cancer Institute, Brigham and Women’s Hospital and Harvard Medical School, Boston, United States of America

7Department of Biochemistry, Albert Einstein College of Medicine, Bronx, United States of America

8Division of Pediatric Oncology, Johns Hopkins University School of Medicine and Johns Hopkins Hospital, Bloomberg Children's Center, Baltimore, United States of America

9Department of Biology, Boston University, Boston, United States of America

10Department of Pharmacology, Physiology & Biophysics, Boston University Chobanian and Avedisian School of Medicine, Boston, United States of America

Find articles by Ennis, C. in: PubMed | Google Scholar

1Department of Dermatology, Boston University Chobanian and Avedisian School of Medicine, Boston, United States of America

2Division of Genetics, Departments of Medicine and Biological Chemistry and , Harvard Medical School and Brigham and Women’s Hospital, Boston, United States of America

3Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, United States of America

4Cancer Center, Boston University Chobanian and Avedisian School of Medicine, Boston, United States of America

5Center for Cancer Immunology, Krantz Family Center for Cancer Research, Massachusetts General Hospital and Harvard Medical School, Boston, United States of America

6Department of Cancer Biology, Center for Emergent Drug Targets, and Blais P, Dana-Farber Cancer Institute, Brigham and Women’s Hospital and Harvard Medical School, Boston, United States of America

7Department of Biochemistry, Albert Einstein College of Medicine, Bronx, United States of America

8Division of Pediatric Oncology, Johns Hopkins University School of Medicine and Johns Hopkins Hospital, Bloomberg Children's Center, Baltimore, United States of America

9Department of Biology, Boston University, Boston, United States of America

10Department of Pharmacology, Physiology & Biophysics, Boston University Chobanian and Avedisian School of Medicine, Boston, United States of America

Find articles by Farokh, P. in: PubMed | Google Scholar

1Department of Dermatology, Boston University Chobanian and Avedisian School of Medicine, Boston, United States of America

2Division of Genetics, Departments of Medicine and Biological Chemistry and , Harvard Medical School and Brigham and Women’s Hospital, Boston, United States of America

3Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, United States of America

4Cancer Center, Boston University Chobanian and Avedisian School of Medicine, Boston, United States of America

5Center for Cancer Immunology, Krantz Family Center for Cancer Research, Massachusetts General Hospital and Harvard Medical School, Boston, United States of America

6Department of Cancer Biology, Center for Emergent Drug Targets, and Blais P, Dana-Farber Cancer Institute, Brigham and Women’s Hospital and Harvard Medical School, Boston, United States of America

7Department of Biochemistry, Albert Einstein College of Medicine, Bronx, United States of America

8Division of Pediatric Oncology, Johns Hopkins University School of Medicine and Johns Hopkins Hospital, Bloomberg Children's Center, Baltimore, United States of America

9Department of Biology, Boston University, Boston, United States of America

10Department of Pharmacology, Physiology & Biophysics, Boston University Chobanian and Avedisian School of Medicine, Boston, United States of America

Find articles by Ficarro, S. in: PubMed | Google Scholar

1Department of Dermatology, Boston University Chobanian and Avedisian School of Medicine, Boston, United States of America

2Division of Genetics, Departments of Medicine and Biological Chemistry and , Harvard Medical School and Brigham and Women’s Hospital, Boston, United States of America

3Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, United States of America

4Cancer Center, Boston University Chobanian and Avedisian School of Medicine, Boston, United States of America

5Center for Cancer Immunology, Krantz Family Center for Cancer Research, Massachusetts General Hospital and Harvard Medical School, Boston, United States of America

6Department of Cancer Biology, Center for Emergent Drug Targets, and Blais P, Dana-Farber Cancer Institute, Brigham and Women’s Hospital and Harvard Medical School, Boston, United States of America

7Department of Biochemistry, Albert Einstein College of Medicine, Bronx, United States of America

8Division of Pediatric Oncology, Johns Hopkins University School of Medicine and Johns Hopkins Hospital, Bloomberg Children's Center, Baltimore, United States of America

9Department of Biology, Boston University, Boston, United States of America

10Department of Pharmacology, Physiology & Biophysics, Boston University Chobanian and Avedisian School of Medicine, Boston, United States of America

Find articles by Marto, J. in: PubMed | Google Scholar

1Department of Dermatology, Boston University Chobanian and Avedisian School of Medicine, Boston, United States of America

2Division of Genetics, Departments of Medicine and Biological Chemistry and , Harvard Medical School and Brigham and Women’s Hospital, Boston, United States of America

3Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, United States of America

4Cancer Center, Boston University Chobanian and Avedisian School of Medicine, Boston, United States of America

5Center for Cancer Immunology, Krantz Family Center for Cancer Research, Massachusetts General Hospital and Harvard Medical School, Boston, United States of America

6Department of Cancer Biology, Center for Emergent Drug Targets, and Blais P, Dana-Farber Cancer Institute, Brigham and Women’s Hospital and Harvard Medical School, Boston, United States of America

7Department of Biochemistry, Albert Einstein College of Medicine, Bronx, United States of America

8Division of Pediatric Oncology, Johns Hopkins University School of Medicine and Johns Hopkins Hospital, Bloomberg Children's Center, Baltimore, United States of America

9Department of Biology, Boston University, Boston, United States of America

10Department of Pharmacology, Physiology & Biophysics, Boston University Chobanian and Avedisian School of Medicine, Boston, United States of America

Find articles by Jiang, H. in: PubMed | Google Scholar

1Department of Dermatology, Boston University Chobanian and Avedisian School of Medicine, Boston, United States of America

2Division of Genetics, Departments of Medicine and Biological Chemistry and , Harvard Medical School and Brigham and Women’s Hospital, Boston, United States of America

3Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, United States of America

4Cancer Center, Boston University Chobanian and Avedisian School of Medicine, Boston, United States of America

5Center for Cancer Immunology, Krantz Family Center for Cancer Research, Massachusetts General Hospital and Harvard Medical School, Boston, United States of America

6Department of Cancer Biology, Center for Emergent Drug Targets, and Blais P, Dana-Farber Cancer Institute, Brigham and Women’s Hospital and Harvard Medical School, Boston, United States of America

7Department of Biochemistry, Albert Einstein College of Medicine, Bronx, United States of America

8Division of Pediatric Oncology, Johns Hopkins University School of Medicine and Johns Hopkins Hospital, Bloomberg Children's Center, Baltimore, United States of America

9Department of Biology, Boston University, Boston, United States of America

10Department of Pharmacology, Physiology & Biophysics, Boston University Chobanian and Avedisian School of Medicine, Boston, United States of America

Find articles by Nam, E. in: PubMed | Google Scholar

1Department of Dermatology, Boston University Chobanian and Avedisian School of Medicine, Boston, United States of America

2Division of Genetics, Departments of Medicine and Biological Chemistry and , Harvard Medical School and Brigham and Women’s Hospital, Boston, United States of America

3Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, United States of America

4Cancer Center, Boston University Chobanian and Avedisian School of Medicine, Boston, United States of America

5Center for Cancer Immunology, Krantz Family Center for Cancer Research, Massachusetts General Hospital and Harvard Medical School, Boston, United States of America

6Department of Cancer Biology, Center for Emergent Drug Targets, and Blais P, Dana-Farber Cancer Institute, Brigham and Women’s Hospital and Harvard Medical School, Boston, United States of America

7Department of Biochemistry, Albert Einstein College of Medicine, Bronx, United States of America

8Division of Pediatric Oncology, Johns Hopkins University School of Medicine and Johns Hopkins Hospital, Bloomberg Children's Center, Baltimore, United States of America

9Department of Biology, Boston University, Boston, United States of America

10Department of Pharmacology, Physiology & Biophysics, Boston University Chobanian and Avedisian School of Medicine, Boston, United States of America

Find articles by Stransky, S. in: PubMed | Google Scholar

1Department of Dermatology, Boston University Chobanian and Avedisian School of Medicine, Boston, United States of America

2Division of Genetics, Departments of Medicine and Biological Chemistry and , Harvard Medical School and Brigham and Women’s Hospital, Boston, United States of America

3Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, United States of America

4Cancer Center, Boston University Chobanian and Avedisian School of Medicine, Boston, United States of America

5Center for Cancer Immunology, Krantz Family Center for Cancer Research, Massachusetts General Hospital and Harvard Medical School, Boston, United States of America

6Department of Cancer Biology, Center for Emergent Drug Targets, and Blais P, Dana-Farber Cancer Institute, Brigham and Women’s Hospital and Harvard Medical School, Boston, United States of America

7Department of Biochemistry, Albert Einstein College of Medicine, Bronx, United States of America

8Division of Pediatric Oncology, Johns Hopkins University School of Medicine and Johns Hopkins Hospital, Bloomberg Children's Center, Baltimore, United States of America

9Department of Biology, Boston University, Boston, United States of America

10Department of Pharmacology, Physiology & Biophysics, Boston University Chobanian and Avedisian School of Medicine, Boston, United States of America

Find articles by Duke-Cohan, J. in: PubMed | Google Scholar

1Department of Dermatology, Boston University Chobanian and Avedisian School of Medicine, Boston, United States of America

2Division of Genetics, Departments of Medicine and Biological Chemistry and , Harvard Medical School and Brigham and Women’s Hospital, Boston, United States of America

3Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, United States of America

4Cancer Center, Boston University Chobanian and Avedisian School of Medicine, Boston, United States of America

5Center for Cancer Immunology, Krantz Family Center for Cancer Research, Massachusetts General Hospital and Harvard Medical School, Boston, United States of America

6Department of Cancer Biology, Center for Emergent Drug Targets, and Blais P, Dana-Farber Cancer Institute, Brigham and Women’s Hospital and Harvard Medical School, Boston, United States of America

7Department of Biochemistry, Albert Einstein College of Medicine, Bronx, United States of America

8Division of Pediatric Oncology, Johns Hopkins University School of Medicine and Johns Hopkins Hospital, Bloomberg Children's Center, Baltimore, United States of America

9Department of Biology, Boston University, Boston, United States of America

10Department of Pharmacology, Physiology & Biophysics, Boston University Chobanian and Avedisian School of Medicine, Boston, United States of America

Find articles by Akinci, M. in: PubMed | Google Scholar

1Department of Dermatology, Boston University Chobanian and Avedisian School of Medicine, Boston, United States of America

2Division of Genetics, Departments of Medicine and Biological Chemistry and , Harvard Medical School and Brigham and Women’s Hospital, Boston, United States of America

3Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, United States of America

4Cancer Center, Boston University Chobanian and Avedisian School of Medicine, Boston, United States of America

5Center for Cancer Immunology, Krantz Family Center for Cancer Research, Massachusetts General Hospital and Harvard Medical School, Boston, United States of America

6Department of Cancer Biology, Center for Emergent Drug Targets, and Blais P, Dana-Farber Cancer Institute, Brigham and Women’s Hospital and Harvard Medical School, Boston, United States of America

7Department of Biochemistry, Albert Einstein College of Medicine, Bronx, United States of America

8Division of Pediatric Oncology, Johns Hopkins University School of Medicine and Johns Hopkins Hospital, Bloomberg Children's Center, Baltimore, United States of America

9Department of Biology, Boston University, Boston, United States of America

10Department of Pharmacology, Physiology & Biophysics, Boston University Chobanian and Avedisian School of Medicine, Boston, United States of America

Find articles by Geethadevi, A. in: PubMed | Google Scholar

1Department of Dermatology, Boston University Chobanian and Avedisian School of Medicine, Boston, United States of America

2Division of Genetics, Departments of Medicine and Biological Chemistry and , Harvard Medical School and Brigham and Women’s Hospital, Boston, United States of America

3Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, United States of America

4Cancer Center, Boston University Chobanian and Avedisian School of Medicine, Boston, United States of America

5Center for Cancer Immunology, Krantz Family Center for Cancer Research, Massachusetts General Hospital and Harvard Medical School, Boston, United States of America

6Department of Cancer Biology, Center for Emergent Drug Targets, and Blais P, Dana-Farber Cancer Institute, Brigham and Women’s Hospital and Harvard Medical School, Boston, United States of America

7Department of Biochemistry, Albert Einstein College of Medicine, Bronx, United States of America

8Division of Pediatric Oncology, Johns Hopkins University School of Medicine and Johns Hopkins Hospital, Bloomberg Children's Center, Baltimore, United States of America

9Department of Biology, Boston University, Boston, United States of America

10Department of Pharmacology, Physiology & Biophysics, Boston University Chobanian and Avedisian School of Medicine, Boston, United States of America

Find articles by Raabe, E. in: PubMed | Google Scholar

1Department of Dermatology, Boston University Chobanian and Avedisian School of Medicine, Boston, United States of America

2Division of Genetics, Departments of Medicine and Biological Chemistry and , Harvard Medical School and Brigham and Women’s Hospital, Boston, United States of America

3Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, United States of America

4Cancer Center, Boston University Chobanian and Avedisian School of Medicine, Boston, United States of America

5Center for Cancer Immunology, Krantz Family Center for Cancer Research, Massachusetts General Hospital and Harvard Medical School, Boston, United States of America

6Department of Cancer Biology, Center for Emergent Drug Targets, and Blais P, Dana-Farber Cancer Institute, Brigham and Women’s Hospital and Harvard Medical School, Boston, United States of America

7Department of Biochemistry, Albert Einstein College of Medicine, Bronx, United States of America

8Division of Pediatric Oncology, Johns Hopkins University School of Medicine and Johns Hopkins Hospital, Bloomberg Children's Center, Baltimore, United States of America

9Department of Biology, Boston University, Boston, United States of America

10Department of Pharmacology, Physiology & Biophysics, Boston University Chobanian and Avedisian School of Medicine, Boston, United States of America

Find articles by Fiszbein, A. in: PubMed | Google Scholar

1Department of Dermatology, Boston University Chobanian and Avedisian School of Medicine, Boston, United States of America

2Division of Genetics, Departments of Medicine and Biological Chemistry and , Harvard Medical School and Brigham and Women’s Hospital, Boston, United States of America

3Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, United States of America

4Cancer Center, Boston University Chobanian and Avedisian School of Medicine, Boston, United States of America

5Center for Cancer Immunology, Krantz Family Center for Cancer Research, Massachusetts General Hospital and Harvard Medical School, Boston, United States of America

6Department of Cancer Biology, Center for Emergent Drug Targets, and Blais P, Dana-Farber Cancer Institute, Brigham and Women’s Hospital and Harvard Medical School, Boston, United States of America

7Department of Biochemistry, Albert Einstein College of Medicine, Bronx, United States of America

8Division of Pediatric Oncology, Johns Hopkins University School of Medicine and Johns Hopkins Hospital, Bloomberg Children's Center, Baltimore, United States of America

9Department of Biology, Boston University, Boston, United States of America

10Department of Pharmacology, Physiology & Biophysics, Boston University Chobanian and Avedisian School of Medicine, Boston, United States of America

Find articles by Demehri, S. in: PubMed | Google Scholar |

1Department of Dermatology, Boston University Chobanian and Avedisian School of Medicine, Boston, United States of America

2Division of Genetics, Departments of Medicine and Biological Chemistry and , Harvard Medical School and Brigham and Women’s Hospital, Boston, United States of America

3Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, United States of America

4Cancer Center, Boston University Chobanian and Avedisian School of Medicine, Boston, United States of America

5Center for Cancer Immunology, Krantz Family Center for Cancer Research, Massachusetts General Hospital and Harvard Medical School, Boston, United States of America

6Department of Cancer Biology, Center for Emergent Drug Targets, and Blais P, Dana-Farber Cancer Institute, Brigham and Women’s Hospital and Harvard Medical School, Boston, United States of America

7Department of Biochemistry, Albert Einstein College of Medicine, Bronx, United States of America

8Division of Pediatric Oncology, Johns Hopkins University School of Medicine and Johns Hopkins Hospital, Bloomberg Children's Center, Baltimore, United States of America

9Department of Biology, Boston University, Boston, United States of America

10Department of Pharmacology, Physiology & Biophysics, Boston University Chobanian and Avedisian School of Medicine, Boston, United States of America

Find articles by Sidoli, S. in: PubMed | Google Scholar

1Department of Dermatology, Boston University Chobanian and Avedisian School of Medicine, Boston, United States of America

2Division of Genetics, Departments of Medicine and Biological Chemistry and , Harvard Medical School and Brigham and Women’s Hospital, Boston, United States of America

3Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, United States of America

4Cancer Center, Boston University Chobanian and Avedisian School of Medicine, Boston, United States of America

5Center for Cancer Immunology, Krantz Family Center for Cancer Research, Massachusetts General Hospital and Harvard Medical School, Boston, United States of America

6Department of Cancer Biology, Center for Emergent Drug Targets, and Blais P, Dana-Farber Cancer Institute, Brigham and Women’s Hospital and Harvard Medical School, Boston, United States of America

7Department of Biochemistry, Albert Einstein College of Medicine, Bronx, United States of America

8Division of Pediatric Oncology, Johns Hopkins University School of Medicine and Johns Hopkins Hospital, Bloomberg Children's Center, Baltimore, United States of America

9Department of Biology, Boston University, Boston, United States of America

10Department of Pharmacology, Physiology & Biophysics, Boston University Chobanian and Avedisian School of Medicine, Boston, United States of America

Find articles by Hicks, C. in: PubMed | Google Scholar

1Department of Dermatology, Boston University Chobanian and Avedisian School of Medicine, Boston, United States of America

2Division of Genetics, Departments of Medicine and Biological Chemistry and , Harvard Medical School and Brigham and Women’s Hospital, Boston, United States of America

3Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, United States of America

4Cancer Center, Boston University Chobanian and Avedisian School of Medicine, Boston, United States of America

5Center for Cancer Immunology, Krantz Family Center for Cancer Research, Massachusetts General Hospital and Harvard Medical School, Boston, United States of America

6Department of Cancer Biology, Center for Emergent Drug Targets, and Blais P, Dana-Farber Cancer Institute, Brigham and Women’s Hospital and Harvard Medical School, Boston, United States of America

7Department of Biochemistry, Albert Einstein College of Medicine, Bronx, United States of America

8Division of Pediatric Oncology, Johns Hopkins University School of Medicine and Johns Hopkins Hospital, Bloomberg Children's Center, Baltimore, United States of America

9Department of Biology, Boston University, Boston, United States of America

10Department of Pharmacology, Physiology & Biophysics, Boston University Chobanian and Avedisian School of Medicine, Boston, United States of America

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

1Department of Dermatology, Boston University Chobanian and Avedisian School of Medicine, Boston, United States of America

2Division of Genetics, Departments of Medicine and Biological Chemistry and , Harvard Medical School and Brigham and Women’s Hospital, Boston, United States of America

3Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, United States of America

4Cancer Center, Boston University Chobanian and Avedisian School of Medicine, Boston, United States of America

5Center for Cancer Immunology, Krantz Family Center for Cancer Research, Massachusetts General Hospital and Harvard Medical School, Boston, United States of America

6Department of Cancer Biology, Center for Emergent Drug Targets, and Blais P, Dana-Farber Cancer Institute, Brigham and Women’s Hospital and Harvard Medical School, Boston, United States of America

7Department of Biochemistry, Albert Einstein College of Medicine, Bronx, United States of America

8Division of Pediatric Oncology, Johns Hopkins University School of Medicine and Johns Hopkins Hospital, Bloomberg Children's Center, Baltimore, United States of America

9Department of Biology, Boston University, Boston, United States of America

10Department of Pharmacology, Physiology & Biophysics, Boston University Chobanian and Avedisian School of Medicine, Boston, United States of America

Find articles by Wu, C. in: PubMed | Google Scholar

1Department of Dermatology, Boston University Chobanian and Avedisian School of Medicine, Boston, United States of America

2Division of Genetics, Departments of Medicine and Biological Chemistry and , Harvard Medical School and Brigham and Women’s Hospital, Boston, United States of America

3Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, United States of America

4Cancer Center, Boston University Chobanian and Avedisian School of Medicine, Boston, United States of America

5Center for Cancer Immunology, Krantz Family Center for Cancer Research, Massachusetts General Hospital and Harvard Medical School, Boston, United States of America

6Department of Cancer Biology, Center for Emergent Drug Targets, and Blais P, Dana-Farber Cancer Institute, Brigham and Women’s Hospital and Harvard Medical School, Boston, United States of America

7Department of Biochemistry, Albert Einstein College of Medicine, Bronx, United States of America

8Division of Pediatric Oncology, Johns Hopkins University School of Medicine and Johns Hopkins Hospital, Bloomberg Children's Center, Baltimore, United States of America

9Department of Biology, Boston University, Boston, United States of America

10Department of Pharmacology, Physiology & Biophysics, Boston University Chobanian and Avedisian School of Medicine, Boston, United States of America

Find articles by Cole, P. in: PubMed | Google Scholar

1Department of Dermatology, Boston University Chobanian and Avedisian School of Medicine, Boston, United States of America

2Division of Genetics, Departments of Medicine and Biological Chemistry and , Harvard Medical School and Brigham and Women’s Hospital, Boston, United States of America

3Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, United States of America

4Cancer Center, Boston University Chobanian and Avedisian School of Medicine, Boston, United States of America

5Center for Cancer Immunology, Krantz Family Center for Cancer Research, Massachusetts General Hospital and Harvard Medical School, Boston, United States of America

6Department of Cancer Biology, Center for Emergent Drug Targets, and Blais P, Dana-Farber Cancer Institute, Brigham and Women’s Hospital and Harvard Medical School, Boston, United States of America

7Department of Biochemistry, Albert Einstein College of Medicine, Bronx, United States of America

8Division of Pediatric Oncology, Johns Hopkins University School of Medicine and Johns Hopkins Hospital, Bloomberg Children's Center, Baltimore, United States of America

9Department of Biology, Boston University, Boston, United States of America

10Department of Pharmacology, Physiology & Biophysics, Boston University Chobanian and Avedisian School of Medicine, Boston, United States of America

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Published December 9, 2025 - More info

JCI Insight. https://doi.org/10.1172/jci.insight.190287.
Copyright © 2025, Fisher 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 December 9, 2025 - Version history
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Abstract

Epigenetic macromolecular enzyme complexes tightly regulate gene expression at the chromatin level and have recently been found to colocalize with RNA splicing machinery during active transcription; however, the precise functional consequences of these interactions are uncertain. Here, we identify unique interactions of the CoREST repressor complex (LSD1-HDAC1-CoREST) with components of the RNA splicing machinery and their functional consequences in tumorigenesis. Using mass spectrometry, in vivo binding assays, and cryo-EM we find that CoREST complex-splicing factor interactions are direct and perturbed by the CoREST complex selective inhibitor, corin, leading to extensive changes in RNA splicing in melanoma and other malignancies. Moreover, these corin-induced splicing changes are shown to promote global effects on oncogenic and survival-associated splice variants leading to a tumor-suppressive phenotype. Using machine learning models, MHC IP-MS, and ELISpot assays we identify thousands of neopeptides derived from unannotated splice sites which generate corin-induced splice-neoantigens that are demonstrated to be immunogenic in vitro. Corin is further shown to reactivate the response to immune checkpoint blockade, effectively sensitizing tumors to anti-PD1 immunotherapy. These data position CoREST complex inhibition as a unique therapeutic opportunity which perturbs oncogenic splicing programs while also creating tumor-associated neoantigens that enhance the immunogenicity of current therapeutics.

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