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Toma MM, Karami A, Nieborowska-Skorska M, Chirtala KN, Pepek M, Hadzijusufovic E, Stoklosa T, Valent P, Skorski T. Clonal medicine targeting DNA damage response eradicates leukemia. Leukemia 2024; 38:671-675. [PMID: 38228681 PMCID: PMC10912018 DOI: 10.1038/s41375-024-02138-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Revised: 12/29/2023] [Accepted: 01/04/2024] [Indexed: 01/18/2024]
Affiliation(s)
- Monika M Toma
- Fels Cancer Institute for Personalized Medicine and Department of Cancer and Cellular Biology, Temple University Lewis Katz School of Medicine, Philadelphia, PA, 19140, USA
| | - Adam Karami
- Fels Cancer Institute for Personalized Medicine and Department of Cancer and Cellular Biology, Temple University Lewis Katz School of Medicine, Philadelphia, PA, 19140, USA
| | - Margaret Nieborowska-Skorska
- Fels Cancer Institute for Personalized Medicine and Department of Cancer and Cellular Biology, Temple University Lewis Katz School of Medicine, Philadelphia, PA, 19140, USA
| | - Kumaraswamy Naidu Chirtala
- Fels Cancer Institute for Personalized Medicine and Department of Cancer and Cellular Biology, Temple University Lewis Katz School of Medicine, Philadelphia, PA, 19140, USA
| | - Monika Pepek
- Department of Tumor Biology and Genetics, Medical University of Warsaw, Warsaw, Poland
| | - Emir Hadzijusufovic
- Ludwig Boltzmann Institute for Hematology and Oncology and Department of Internal Medicine I, Division of Hematology and Hemostaseology, Medical University of Vienna, Vienna, Austria
- Department for Companion Animals & Horses, Clinic for Internal Medicine and Infectious Diseases, University of Veterinary Medicine Vienna, Vienna, Austria
| | - Tomasz Stoklosa
- Department of Tumor Biology and Genetics, Medical University of Warsaw, Warsaw, Poland
| | - Peter Valent
- Ludwig Boltzmann Institute for Hematology and Oncology and Department of Internal Medicine I, Division of Hematology and Hemostaseology, Medical University of Vienna, Vienna, Austria
| | - Tomasz Skorski
- Fels Cancer Institute for Personalized Medicine and Department of Cancer and Cellular Biology, Temple University Lewis Katz School of Medicine, Philadelphia, PA, 19140, USA.
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Sullivan-Reed K, Toma MM, Drzewiecka M, Nieborowska-Skorska M, Nejati R, Karami A, Wasik MA, Sliwinski T, Skorski T. Simultaneous Targeting of DNA Polymerase Theta and PARP1 or RAD52 Triggers Dual Synthetic Lethality in Homologous Recombination-Deficient Leukemia Cells. Mol Cancer Res 2023; 21:1017-1022. [PMID: 37358557 PMCID: PMC10654933 DOI: 10.1158/1541-7786.mcr-22-1035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Revised: 05/09/2023] [Accepted: 06/21/2023] [Indexed: 06/27/2023]
Abstract
DNA polymerase theta (Polθ, encoded by POLQ gene) plays an essential role in Polθ-mediated end-joining (TMEJ) of DNA double-strand breaks (DSB). Inhibition of Polθ is synthetic lethal in homologous recombination (HR)-deficient tumor cells. However, DSBs can be also repaired by PARP1 and RAD52-mediated mechanisms. Because leukemia cells accumulate spontaneous DSBs, we tested if simultaneous targeting of Polθ and PARP1 or RAD52 enhance the synthetic lethal effect in HR-deficient leukemia cells. Transformation potential of the oncogenes inducing BRCA1/2-deficiency (BCR-ABL1 and AML1-ETO) was severely limited in Polq-/-;Parp1-/- and Polq-/-;Rad52-/- cells when compared with single knockouts, which was associated with accumulation of DSBs. Small-molecule inhibitor of Polθ (Polθi) when combined with PARP or RAD52 inhibitors (PARPi, RAD52i) caused accumulation of DSBs and exerted increased effect against HR-deficient leukemia and myeloproliferative neoplasm cells. IMPLICATIONS In conclusion, we show that PARPi or RAD52i might improve therapeutic effect of Polθi against HR-deficient leukemias.
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Affiliation(s)
- Katherine Sullivan-Reed
- Fels Cancer Institute for Personalized Medicine, Lewis Katz School of Medicine, Temple University, Philadelphia, Pennsylvania
| | - Monika M. Toma
- Fels Cancer Institute for Personalized Medicine, Lewis Katz School of Medicine, Temple University, Philadelphia, Pennsylvania
| | - Malgorzata Drzewiecka
- Fels Cancer Institute for Personalized Medicine, Lewis Katz School of Medicine, Temple University, Philadelphia, Pennsylvania
- Laboratory of Medical Genetics, Faculty of Biology and Environmental Protection, University of Lodz, Lodz, Poland
| | - Margaret Nieborowska-Skorska
- Fels Cancer Institute for Personalized Medicine, Lewis Katz School of Medicine, Temple University, Philadelphia, Pennsylvania
| | - Reza Nejati
- Department of Pathology, Fox Chase Cancer Center, Philadelphia, Pennsylvania
| | - Adam Karami
- Fels Cancer Institute for Personalized Medicine, Lewis Katz School of Medicine, Temple University, Philadelphia, Pennsylvania
| | - Mariusz A. Wasik
- Department of Pathology, Fox Chase Cancer Center, Philadelphia, Pennsylvania
| | - Tomasz Sliwinski
- Laboratory of Medical Genetics, Faculty of Biology and Environmental Protection, University of Lodz, Lodz, Poland
| | - Tomasz Skorski
- Fels Cancer Institute for Personalized Medicine, Lewis Katz School of Medicine, Temple University, Philadelphia, Pennsylvania
- Department of Cancer and Cellular Biology, Lewis Katz School of Medicine, Temple University, Philadelphia, Pennsylvania
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Bouberhan S, Bar-Peled L, Matoba Y, Mazina V, Philp L, Rueda BR. The evolving role of DNA damage response in overcoming therapeutic resistance in ovarian cancer. CANCER DRUG RESISTANCE (ALHAMBRA, CALIF.) 2023; 6:345-357. [PMID: 37457127 PMCID: PMC10344720 DOI: 10.20517/cdr.2022.146] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/31/2022] [Revised: 04/16/2023] [Accepted: 05/29/2023] [Indexed: 07/18/2023]
Abstract
Epithelial ovarian cancer (EOC) is treated in the first-line setting with combined platinum and taxane chemotherapy, often followed by a maintenance poly (ADP-ribose) polymerase inhibitor (PARPi). Responses to first-line treatment are frequent. For many patients, however, responses are suboptimal or short-lived. Over the last several years, multiple new classes of agents targeting DNA damage response (DDR) mechanisms have advanced through clinical development. In this review, we explore the preclinical rationale for the use of ATR inhibitors, CHK1 inhibitors, and WEE1 inhibitors, emphasizing their application to chemotherapy-resistant and PARPi-resistant ovarian cancer. We also present an overview of the clinical development of the leading drugs in each of these classes, emphasizing the rationale for monotherapy and combination therapy approaches.
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Affiliation(s)
- Sara Bouberhan
- Division of Hematology/Oncology, Department of Medicine, Massachusetts General Hospital, Boston, MA 02114, USA
- Department of Medicine, Harvard Medical School, Boston, MA 02115, USA
| | - Liron Bar-Peled
- Department of Medicine, Harvard Medical School, Boston, MA 02115, USA
- Center for Cancer Research, Massachusetts General Hospital, Boston, MA 02114, USA
| | - Yusuke Matoba
- Department of Obstetrics and Gynecology, Vincent Center for Reproductive Biology, Massachusetts General Hospital, Boston, MA 02114, USA
- Obstetrics, Gynecology, and Reproductive Biology, Harvard Medical School, Boston, MA 02115 USA
| | - Varvara Mazina
- Department of Obstetrics and Gynecology, Vincent Center for Reproductive Biology, Massachusetts General Hospital, Boston, MA 02114, USA
- Obstetrics, Gynecology, and Reproductive Biology, Harvard Medical School, Boston, MA 02115 USA
- Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, Massachusetts General Hospital, Boston, MA 02114, USA
| | - Lauren Philp
- Department of Obstetrics and Gynecology, Vincent Center for Reproductive Biology, Massachusetts General Hospital, Boston, MA 02114, USA
- Obstetrics, Gynecology, and Reproductive Biology, Harvard Medical School, Boston, MA 02115 USA
- Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, Massachusetts General Hospital, Boston, MA 02114, USA
| | - Bo R. Rueda
- Department of Obstetrics and Gynecology, Vincent Center for Reproductive Biology, Massachusetts General Hospital, Boston, MA 02114, USA
- Obstetrics, Gynecology, and Reproductive Biology, Harvard Medical School, Boston, MA 02115 USA
- Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, Massachusetts General Hospital, Boston, MA 02114, USA
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Li H, Chatla S, Liu X, Vekariya U, Kim D, Walt M, Lian Z, Morton G, Feng Z, Yang D, Liu H, Reed K, Childers W, Yu X, Madzo J, Chitrala KN, Skorski T, Huang J. Haploinsufficiency of ZNF251 causes DNA-PKcs-dependent resistance to PARP inhibitors in BRCA1-mutated cancer cells. RESEARCH SQUARE 2023:rs.3.rs-2688694. [PMID: 37066268 PMCID: PMC10104263 DOI: 10.21203/rs.3.rs-2688694/v1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/18/2023]
Abstract
Poly (ADP-ribose) polymerase (PARP) inhibitors represent a promising new class of agents that have demonstrated efficacy in treating various cancers, particularly those that carry BRCA1/2 mutations. The cancer associated BRCA1/2 mutations disrupt DNA double strand break (DSB) repair by homologous recombination (HR). PARP inhibitors (PARPis) have been applied to trigger synthetic lethality in BRCA1/2-mutated cancer cells by promoting the accumulation of toxic DSBs. Unfortunately, resistance to PARPis is common and can occur through multiple mechanisms, including the restoration of HR and/or the stabilization of replication forks. To gain a better understanding of the mechanisms underlying PARPi resistance, we conducted an unbiased CRISPR-pooled genome-wide library screen to identify new genes whose deficiency confers resistance to the PARPi olaparib. Our study revealed that ZNF251, a transcription factor, is a novel gene whose haploinsufficiency confers PARPi resistance in multiple breast and ovarian cancer lines harboring BRCA1 mutations. Mechanistically, we discovered that ZNF251 haploinsufficiency leads to constitutive stimulation of DNA-PKcs-dependent non-homologous end joining (NHEJ) repair of DSBs and DNA-PKcs-mediated fork protection in BRCA1-mutated cancer cells (BRCA1mut + ZNF251KD). Moreover, we demonstrated that DNA-PKcs inhibitors can restore PARPi sensitivity in BRCA1mut + ZNF251KD cells ex vivo and in vivo. Our findings provide important insights into the mechanisms underlying PARPi resistance and highlight the unexpected role of DNA-PKcs in this phenomenon.
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Affiliation(s)
- Huan Li
- Coriell Institue for Medical Research
| | | | - Xiaolei Liu
- University of Pennsylavania School of Medecine
| | | | | | | | | | | | - Zijie Feng
- University of Pennsylavania School of Medecine
| | - Dan Yang
- Coriell Institue for Medical Research
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