1
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Teng QX, Lei ZN, Wang JQ, Yang Y, Wu ZX, Acharekar ND, Zhang W, Yoganathan S, Pan Y, Wurpel J, Chen ZS, Fang S. Overexpression of ABCC1 and ABCG2 confers resistance to talazoparib, a poly (ADP-Ribose) polymerase inhibitor. Drug Resist Updat 2024; 73:101028. [PMID: 38340425 DOI: 10.1016/j.drup.2023.101028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Revised: 11/24/2023] [Accepted: 11/25/2023] [Indexed: 02/12/2024]
Abstract
AIMS The overexpression of ABC transporters on cancer cell membranes is one of the most common causes of multidrug resistance (MDR). This study investigates the impact of ABCC1 and ABCG2 on the resistance to talazoparib (BMN-673), a potent poly (ADP-ribose) polymerase (PARP) inhibitor, in ovarian cancer treatment. METHODS The cell viability test was used to indicate the effect of talazoparib in different cell lines. Computational molecular docking analysis was conducted to simulate the interaction between talazoparib and ABCC1 or ABCG2. The mechanism of talazoparib resistance was investigated by constructing talazoparib-resistant subline A2780/T4 from A2780 through drug selection with gradually increasing talazoparib concentration. RESULTS Talazoparib cytotoxicity decreased in drug-selected or gene-transfected cell lines overexpressing ABCC1 or ABCG2 but can be restored by ABCC1 or ABCG2 inhibitors. Talazoparib competitively inhibited substrate drug efflux activity of ABCC1 or ABCG2. Upregulated ABCC1 and ABCG2 protein expression on the plasma membrane of A2780/T4 cells enhances resistance to other substrate drugs, which could be overcome by the knockout of either gene. In vivo experiments confirmed the retention of drug-resistant characteristics in tumor xenograft mouse models. CONCLUSIONS The therapeutic efficacy of talazoparib in cancer may be compromised by its susceptibility to MDR, which is attributed to its interactions with the ABCC1 or ABCG2 transporters. The overexpression of these transporters can potentially diminish the therapeutic impact of talazoparib in cancer treatment.
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Affiliation(s)
- Qiu-Xu Teng
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John's University, Queens, NY 11439, USA
| | - Zi-Ning Lei
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John's University, Queens, NY 11439, USA; Department of Oncology, The Seventh Affiliated Hospital Sun Yat-sen University, Shenzhen, Guangdong 518107, PR China
| | - Jing-Quan Wang
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John's University, Queens, NY 11439, USA
| | - Yuqi Yang
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John's University, Queens, NY 11439, USA
| | - Zhuo-Xun Wu
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John's University, Queens, NY 11439, USA
| | - Nikita Dilip Acharekar
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John's University, Queens, NY 11439, USA
| | - Wei Zhang
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John's University, Queens, NY 11439, USA; Institute of Plastic Surgery, Weifang Medical University, Weifang, Shandong 261041, PR China
| | - Sabesan Yoganathan
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John's University, Queens, NY 11439, USA
| | - Yihang Pan
- Department of Oncology, The Seventh Affiliated Hospital Sun Yat-sen University, Shenzhen, Guangdong 518107, PR China
| | - John Wurpel
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John's University, Queens, NY 11439, USA.
| | - Zhe-Sheng Chen
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John's University, Queens, NY 11439, USA.
| | - Shuo Fang
- Department of Oncology, The Seventh Affiliated Hospital Sun Yat-sen University, Shenzhen, Guangdong 518107, PR China.
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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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3
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Guo YW, Zhu L, Duan YT, Hu YQ, Li LB, Fan WJ, Song FH, Cai YF, Liu YY, Zheng GW, Ge MH. Ruxolitinib induces apoptosis and pyroptosis of anaplastic thyroid cancer via the transcriptional inhibition of DRP1-mediated mitochondrial fission. Cell Death Dis 2024; 15:125. [PMID: 38336839 PMCID: PMC10858168 DOI: 10.1038/s41419-024-06511-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2023] [Revised: 01/25/2024] [Accepted: 01/29/2024] [Indexed: 02/12/2024]
Abstract
Anaplastic thyroid carcinoma (ATC) has a 100% disease-specific mortality rate. The JAK1/2-STAT3 pathway presents a promising target for treating hematologic and solid tumors. However, it is unknown whether the JAK1/2-STAT3 pathway is activated in ATC, and the anti-cancer effects and the mechanism of action of its inhibitor, ruxolitinib (Ruxo, a clinical JAK1/2 inhibitor), remain elusive. Our data indicated that the JAK1/2-STAT3 signaling pathway is significantly upregulated in ATC tumor tissues than in normal thyroid and papillary thyroid cancer tissues. Apoptosis and GSDME-pyroptosis were observed in ATC cells following the in vitro and in vivo administration of Ruxo. Mechanistically, Ruxo suppresses the phosphorylation of STAT3, resulting in the repression of DRP1 transactivation and causing mitochondrial fission deficiency. This deficiency is essential for activating caspase 9/3-dependent apoptosis and GSDME-mediated pyroptosis within ATC cells. In conclusion, our findings indicate DRP1 is directly regulated and transactivated by STAT3; this exhibits a novel and crucial aspect of JAK1/2-STAT3 on the regulation of mitochondrial dynamics. In ATC, the transcriptional inhibition of DRP1 by Ruxo hampered mitochondrial division and triggered apoptosis and GSDME-pyroptosis through caspase 9/3-dependent mechanisms. These results provide compelling evidence for the potential therapeutic effectiveness of Ruxo in treating ATC.
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Affiliation(s)
- Ya-Wen Guo
- Otolaryngology & Head and Neck Center, Cancer Center, Department of Head and Neck Surgery, Zhejiang Provincial People's Hospital (Affiliated People's Hospital), Hangzhou Medical College, Hangzhou, Zhejiang, 310014, China
- Department of Public Health, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 310014, China
- Key Laboratory of Endocrine Gland Diseases of Zhejiang Province, Hangzhou, Zhejiang, 310014, China
- Clinical Research Center for Cancer of Zhejiang Province, 310014, Hangzhou, Zhejiang, China
| | - Lei Zhu
- Department of Thyroid Surgery, The Fifth Hospital Affiliated to Wenzhou Medical University, Lishui Central Hospital, Lishui City, Zhejiang, 323000, China
| | - Yan-Ting Duan
- Otolaryngology & Head and Neck Center, Cancer Center, Department of Head and Neck Surgery, Zhejiang Provincial People's Hospital (Affiliated People's Hospital), Hangzhou Medical College, Hangzhou, Zhejiang, 310014, China
- Key Laboratory of Endocrine Gland Diseases of Zhejiang Province, Hangzhou, Zhejiang, 310014, China
- Clinical Research Center for Cancer of Zhejiang Province, 310014, Hangzhou, Zhejiang, China
| | - Yi-Qun Hu
- Otolaryngology & Head and Neck Center, Cancer Center, Department of Head and Neck Surgery, Zhejiang Provincial People's Hospital (Affiliated People's Hospital), Hangzhou Medical College, Hangzhou, Zhejiang, 310014, China
- Key Laboratory of Endocrine Gland Diseases of Zhejiang Province, Hangzhou, Zhejiang, 310014, China
- Clinical Research Center for Cancer of Zhejiang Province, 310014, Hangzhou, Zhejiang, China
| | - Le-Bao Li
- School of Information Science and Engineering, Zhejiang Sci-Tech University, Hangzhou, Zhejiang, 310018, China
| | - Wei-Jiao Fan
- Otolaryngology & Head and Neck Center, Cancer Center, Department of Head and Neck Surgery, Zhejiang Provincial People's Hospital (Affiliated People's Hospital), Hangzhou Medical College, Hangzhou, Zhejiang, 310014, China
| | - Fa-Huan Song
- Otolaryngology & Head and Neck Center, Cancer Center, Department of Head and Neck Surgery, Zhejiang Provincial People's Hospital (Affiliated People's Hospital), Hangzhou Medical College, Hangzhou, Zhejiang, 310014, China
- Department of Public Health, Zhejiang University School of Medicine, Hangzhou, Zhejiang, 310014, China
- Key Laboratory of Endocrine Gland Diseases of Zhejiang Province, Hangzhou, Zhejiang, 310014, China
- Clinical Research Center for Cancer of Zhejiang Province, 310014, Hangzhou, Zhejiang, China
| | - Ye-Feng Cai
- Department of Thyroid Surgery, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, 325000, China
- Second Clinical Medical College, Zhejiang Chinese Medical University, Hangzhou, 310053, Zhejiang, China
| | - Yun-Ye Liu
- Otolaryngology & Head and Neck Center, Cancer Center, Department of Head and Neck Surgery, Zhejiang Provincial People's Hospital (Affiliated People's Hospital), Hangzhou Medical College, Hangzhou, Zhejiang, 310014, China
| | - Guo-Wan Zheng
- Otolaryngology & Head and Neck Center, Cancer Center, Department of Head and Neck Surgery, Zhejiang Provincial People's Hospital (Affiliated People's Hospital), Hangzhou Medical College, Hangzhou, Zhejiang, 310014, China.
- Key Laboratory of Endocrine Gland Diseases of Zhejiang Province, Hangzhou, Zhejiang, 310014, China.
- Clinical Research Center for Cancer of Zhejiang Province, 310014, Hangzhou, Zhejiang, China.
| | - Ming-Hua Ge
- Otolaryngology & Head and Neck Center, Cancer Center, Department of Head and Neck Surgery, Zhejiang Provincial People's Hospital (Affiliated People's Hospital), Hangzhou Medical College, Hangzhou, Zhejiang, 310014, China.
- Key Laboratory of Endocrine Gland Diseases of Zhejiang Province, Hangzhou, Zhejiang, 310014, China.
- Clinical Research Center for Cancer of Zhejiang Province, 310014, Hangzhou, Zhejiang, China.
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4
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Taylor PC, Choy E, Baraliakos X, Szekanecz Z, Xavier RM, Isaacs JD, Strengholt S, Parmentier JM, Lippe R, Tanaka Y. Differential properties of Janus kinase inhibitors in the treatment of immune-mediated inflammatory diseases. Rheumatology (Oxford) 2024; 63:298-308. [PMID: 37624925 PMCID: PMC10836981 DOI: 10.1093/rheumatology/kead448] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2023] [Revised: 08/03/2023] [Accepted: 08/13/2023] [Indexed: 08/27/2023] Open
Abstract
Janus kinases (JAKs) are a family of cytosolic tyrosine kinases that regulate cytokine signal transduction, including cytokines involved in a range of inflammatory diseases, such as RA, psoriasis, atopic dermatitis and IBD. Several small-molecule JAK inhibitors (JAKis) are now approved for the treatment of various immune-mediated inflammatory diseases. There are, however, key differences between these agents that could potentially translate into unique clinical profiles. Each JAKi has a unique chemical structure, resulting in a distinctive mode of binding within the catalytic cleft of the target JAK, and giving rise to distinct pharmacological characteristics. In addition, the available agents have differing selectivity for JAK isoforms, as well as off-target effects against non-JAKs. Other differences include effects on haematological parameters, DNA damage repair, reproductive toxicity and metabolism/elimination. Here we review the pharmacological profiles of the JAKis abrocitinib, baricitinib, filgotinib, peficitinib, tofacitinib and upadacitinib.
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Affiliation(s)
- Peter C Taylor
- Botnar Research Centre, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK
| | - Ernest Choy
- Division of Infection and Immunity, School of Medicine, Cardiff University, Cardiff, UK
| | | | - Zoltan Szekanecz
- Faculty of Medicine, Department of Rheumatology, University of Debrecen, Debrecen, Hungary
| | - Ricardo M Xavier
- Serviço de Reumatologia, Hospital de Clínicas de Porto Alegre, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
| | - John D Isaacs
- Translational and Clinical Research Institute, Newcastle University and Musculoskeletal Unit, Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle upon Tyne, UK
| | | | - Julie M Parmentier
- Immunology Precision Medicine, AbbVie Bioresearch Center, Worcester, MA, USA
| | - Ralph Lippe
- AbbVie Deutschland GmbH & Co. KG, Wiesbaden, Germany
| | - Yoshiya Tanaka
- First Department of Internal Medicine, University of Occupational and Environmental Health, Kitakyushu, Japan
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5
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De Mel S, Lee AR, Tan JHI, Tan RZY, Poon LM, Chan E, Lee J, Chee YL, Lakshminarasappa SR, Jaynes PW, Jeyasekharan AD. Targeting the DNA damage response in hematological malignancies. Front Oncol 2024; 14:1307839. [PMID: 38347838 PMCID: PMC10859481 DOI: 10.3389/fonc.2024.1307839] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Accepted: 01/03/2024] [Indexed: 02/15/2024] Open
Abstract
Deregulation of the DNA damage response (DDR) plays a critical role in the pathogenesis and progression of many cancers. The dependency of certain cancers on DDR pathways has enabled exploitation of such through synthetically lethal relationships e.g., Poly ADP-Ribose Polymerase (PARP) inhibitors for BRCA deficient ovarian cancers. Though lagging behind that of solid cancers, DDR inhibitors (DDRi) are being clinically developed for haematological cancers. Furthermore, a high proliferative index characterize many such cancers, suggesting a rationale for combinatorial strategies targeting DDR and replicative stress. In this review, we summarize pre-clinical and clinical data on DDR inhibition in haematological malignancies and highlight distinct haematological cancer subtypes with activity of DDR agents as single agents or in combination with chemotherapeutics and targeted agents. We aim to provide a framework to guide the design of future clinical trials involving haematological cancers for this important class of drugs.
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Affiliation(s)
- Sanjay De Mel
- Department of Haematology-Oncology, National University Cancer Institute, Singapore, National University Health System, Singapore, Singapore
- Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
- NUS Center for Cancer Research (N2CR), Yong Loo Lin School of Medicine, National University Singapore, Singapore, Singapore
| | - Ainsley Ryan Lee
- Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Joelle Hwee Inn Tan
- Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Rachel Zi Yi Tan
- Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore
| | - Li Mei Poon
- Department of Haematology-Oncology, National University Cancer Institute, Singapore, National University Health System, Singapore, Singapore
- NUS Center for Cancer Research (N2CR), Yong Loo Lin School of Medicine, National University Singapore, Singapore, Singapore
| | - Esther Chan
- Department of Haematology-Oncology, National University Cancer Institute, Singapore, National University Health System, Singapore, Singapore
- NUS Center for Cancer Research (N2CR), Yong Loo Lin School of Medicine, National University Singapore, Singapore, Singapore
| | - Joanne Lee
- Department of Haematology-Oncology, National University Cancer Institute, Singapore, National University Health System, Singapore, Singapore
- NUS Center for Cancer Research (N2CR), Yong Loo Lin School of Medicine, National University Singapore, Singapore, Singapore
| | - Yen Lin Chee
- Department of Haematology-Oncology, National University Cancer Institute, Singapore, National University Health System, Singapore, Singapore
- NUS Center for Cancer Research (N2CR), Yong Loo Lin School of Medicine, National University Singapore, Singapore, Singapore
| | - Satish R. Lakshminarasappa
- Department of Anatomy, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Patrick William Jaynes
- Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore
| | - Anand D. Jeyasekharan
- Department of Haematology-Oncology, National University Cancer Institute, Singapore, National University Health System, Singapore, Singapore
- Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
- NUS Center for Cancer Research (N2CR), Yong Loo Lin School of Medicine, National University Singapore, Singapore, Singapore
- Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore
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6
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Bermes M, Rodriguez MJ, de Toledo MAS, Ernst S, Müller-Newen G, Brümmendorf TH, Chatain N, Koschmieder S, Baumeister J. Exploiting Synthetic Lethality between Germline BRCA1 Haploinsufficiency and PARP Inhibition in JAK2V617F-Positive Myeloproliferative Neoplasms. Int J Mol Sci 2023; 24:17560. [PMID: 38139386 PMCID: PMC10743753 DOI: 10.3390/ijms242417560] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2023] [Revised: 12/04/2023] [Accepted: 12/10/2023] [Indexed: 12/24/2023] Open
Abstract
Myeloproliferative neoplasms (MPN) are rare hematologic disorders characterized by clonal hematopoiesis. Familial clustering is observed in a subset of cases, with a notable proportion exhibiting heterozygous germline mutations in DNA double-strand break repair genes (e.g., BRCA1). We investigated the therapeutic potential of targeting BRCA1 haploinsufficiency alongside the JAK2V617F driver mutation. We assessed the efficacy of combining the PARP inhibitor olaparib with interferon-alpha (IFNα) in CRISPR/Cas9-engineered Brca1+/- Jak2V617F-positive 32D cells. Olaparib treatment induced a higher number of DNA double-strand breaks, as demonstrated by γH2AX analysis through Western blot (p = 0.024), flow cytometry (p = 0.013), and confocal microscopy (p = 0.071). RAD51 foci formation was impaired in Brca1+/- cells compared to Brca1+/+ cells, indicating impaired homologous recombination repair due to Brca1 haploinsufficiency. Importantly, olaparib enhanced apoptosis while diminishing cell proliferation and viability in Brca1+/- cells compared to Brca1+/+ cells. These effects were further potentiated by IFNα. Olaparib induced interferon-stimulated genes and increased endogenous production of IFNα in Brca1+/- cells. These responses were abrogated by STING inhibition. In conclusion, our findings suggest that the combination of olaparib and IFNα presents a promising therapeutic strategy for MPN patients by exploiting the synthetic lethality between germline BRCA1 mutations and the JAK2V617F MPN driver mutation.
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Affiliation(s)
- Max Bermes
- Department of Hematology, Oncology, Hemostaseology, and Stem Cell Transplantation, Faculty of Medicine, RWTH Aachen University, 52074 Aachen, Germany; (M.B.); (M.J.R.); (M.A.S.d.T.); (T.H.B.); (N.C.); (J.B.)
- Center for Integrated Oncology Aachen Bonn Cologne Düsseldorf (CIO ABCD), 52074 Aachen, Germany
| | - Maria Jimena Rodriguez
- Department of Hematology, Oncology, Hemostaseology, and Stem Cell Transplantation, Faculty of Medicine, RWTH Aachen University, 52074 Aachen, Germany; (M.B.); (M.J.R.); (M.A.S.d.T.); (T.H.B.); (N.C.); (J.B.)
- Center for Integrated Oncology Aachen Bonn Cologne Düsseldorf (CIO ABCD), 52074 Aachen, Germany
| | - Marcelo Augusto Szymanski de Toledo
- Department of Hematology, Oncology, Hemostaseology, and Stem Cell Transplantation, Faculty of Medicine, RWTH Aachen University, 52074 Aachen, Germany; (M.B.); (M.J.R.); (M.A.S.d.T.); (T.H.B.); (N.C.); (J.B.)
- Center for Integrated Oncology Aachen Bonn Cologne Düsseldorf (CIO ABCD), 52074 Aachen, Germany
| | - Sabrina Ernst
- Confocal Microscopy Facility, Interdisciplinary Center for Clinical Research IZKF, RWTH Aachen University, 52074 Aachen, Germany;
| | - Gerhard Müller-Newen
- Department of Biochemistry, Faculty of Medicine, RWTH Aachen University, 52074 Aachen, Germany;
| | - Tim Henrik Brümmendorf
- Department of Hematology, Oncology, Hemostaseology, and Stem Cell Transplantation, Faculty of Medicine, RWTH Aachen University, 52074 Aachen, Germany; (M.B.); (M.J.R.); (M.A.S.d.T.); (T.H.B.); (N.C.); (J.B.)
- Center for Integrated Oncology Aachen Bonn Cologne Düsseldorf (CIO ABCD), 52074 Aachen, Germany
| | - Nicolas Chatain
- Department of Hematology, Oncology, Hemostaseology, and Stem Cell Transplantation, Faculty of Medicine, RWTH Aachen University, 52074 Aachen, Germany; (M.B.); (M.J.R.); (M.A.S.d.T.); (T.H.B.); (N.C.); (J.B.)
- Center for Integrated Oncology Aachen Bonn Cologne Düsseldorf (CIO ABCD), 52074 Aachen, Germany
| | - Steffen Koschmieder
- Department of Hematology, Oncology, Hemostaseology, and Stem Cell Transplantation, Faculty of Medicine, RWTH Aachen University, 52074 Aachen, Germany; (M.B.); (M.J.R.); (M.A.S.d.T.); (T.H.B.); (N.C.); (J.B.)
- Center for Integrated Oncology Aachen Bonn Cologne Düsseldorf (CIO ABCD), 52074 Aachen, Germany
| | - Julian Baumeister
- Department of Hematology, Oncology, Hemostaseology, and Stem Cell Transplantation, Faculty of Medicine, RWTH Aachen University, 52074 Aachen, Germany; (M.B.); (M.J.R.); (M.A.S.d.T.); (T.H.B.); (N.C.); (J.B.)
- Center for Integrated Oncology Aachen Bonn Cologne Düsseldorf (CIO ABCD), 52074 Aachen, Germany
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7
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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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8
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Zhang M, Xiao J, Liu J, Bai X, Zeng X, Zhang Z, Liu F. Calreticulin as a marker and therapeutic target for cancer. Clin Exp Med 2023; 23:1393-1404. [PMID: 36335525 DOI: 10.1007/s10238-022-00937-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2022] [Accepted: 10/27/2022] [Indexed: 11/07/2022]
Abstract
Calreticulin (CRT) is a multifunctional protein found within the endoplasmic reticulum (ER). In addition, CRT participates in the formation and development of tumors and promotes the proliferation and migration of tumor cells. When a malignant tumor occurs in the human body, cancer cells that die from immunogenic cell death (ICD) expose CRT on their surface, and CRT that is transferred to the cell surface represents an "eat me" signal, which promotes dendritic cells to phagocytose the tumor cells, thereby increasing the sensitivity of tumors to anticancer immunotherapy. Expression of CRT in tumor tissues is higher than in normal tissues and is associated with disease progression in many malignant tumors. Thus, the dysfunctional production of CRT can promote tumorigenesis because it disturbs not only the balance of healthy cells but also the body's immune surveillance. CRT may be a diagnostic marker and a therapeutic target for cancer, which is discussed extensively in this review.
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Affiliation(s)
- Meilan Zhang
- Department of Cancer Research Institute, Hengyang Medical School, University of South China, Hengyang, 421001, Hunan, China
| | - Juan Xiao
- Department of Otolaryngology, Hengyang Medical School, The Second Affiliated Hospital, University of South China, Hengyang, 421001, Hunan, China
| | - Jiangrong Liu
- Department of Cancer Research Institute, Hengyang Medical School, University of South China, Hengyang, 421001, Hunan, China
| | - Xue Bai
- Department of Cancer Research Institute, Hengyang Medical School, University of South China, Hengyang, 421001, Hunan, China
| | - Xuemei Zeng
- Department of Cancer Research Institute, Hengyang Medical School, University of South China, Hengyang, 421001, Hunan, China
| | - Zhiwei Zhang
- Department of Cancer Research Institute, Hengyang Medical School, University of South China, Hengyang, 421001, Hunan, China.
| | - Feng Liu
- Department of Cancer Research Institute, Hengyang Medical School, University of South China, Hengyang, 421001, Hunan, China.
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9
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Vekariya U, Toma M, Nieborowska-Skorska M, Le BV, Caron MC, Kukuyan AM, Sullivan-Reed K, Podszywalow-Bartnicka P, Chitrala KN, Atkins J, Drzewiecka M, Feng W, Chan J, Chatla S, Golovine K, Jelinek J, Sliwinski T, Ghosh J, Matlawska-Wasowska K, Chandramouly G, Nejati R, Wasik M, Sykes SM, Piwocka K, Hadzijusufovic E, Valent P, Pomerantz RT, Morton G, Childers W, Zhao H, Paietta EM, Levine RL, Tallman MS, Fernandez HF, Litzow MR, Gupta GP, Masson JY, Skorski T. DNA polymerase θ protects leukemia cells from metabolically induced DNA damage. Blood 2023; 141:2372-2389. [PMID: 36580665 PMCID: PMC10273171 DOI: 10.1182/blood.2022018428] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2022] [Revised: 12/16/2022] [Accepted: 12/16/2022] [Indexed: 12/30/2022] Open
Abstract
Leukemia cells accumulate DNA damage, but altered DNA repair mechanisms protect them from apoptosis. We showed here that formaldehyde generated by serine/1-carbon cycle metabolism contributed to the accumulation of toxic DNA-protein crosslinks (DPCs) in leukemia cells, especially in driver clones harboring oncogenic tyrosine kinases (OTKs: FLT3(internal tandem duplication [ITD]), JAK2(V617F), BCR-ABL1). To counteract this effect, OTKs enhanced the expression of DNA polymerase theta (POLθ) via ERK1/2 serine/threonine kinase-dependent inhibition of c-CBL E3 ligase-mediated ubiquitination of POLθ and its proteasomal degradation. Overexpression of POLθ in OTK-positive cells resulted in the efficient repair of DPC-containing DNA double-strand breaks by POLθ-mediated end-joining. The transforming activities of OTKs and other leukemia-inducing oncogenes, especially of those causing the inhibition of BRCA1/2-mediated homologous recombination with and without concomitant inhibition of DNA-PK-dependent nonhomologous end-joining, was abrogated in Polq-/- murine bone marrow cells. Genetic and pharmacological targeting of POLθ polymerase and helicase activities revealed that both activities are promising targets in leukemia cells. Moreover, OTK inhibitors or DPC-inducing drug etoposide enhanced the antileukemia effect of POLθ inhibitor in vitro and in vivo. In conclusion, we demonstrated that POLθ plays an essential role in protecting leukemia cells from metabolically induced toxic DNA lesions triggered by formaldehyde, and it can be targeted to achieve a therapeutic effect.
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Affiliation(s)
- Umeshkumar Vekariya
- Fels Cancer Institute for Personalized Medicine, Lewis Katz School of Medicine, Temple University, Philadelphia, PA
| | - Monika Toma
- Fels Cancer Institute for Personalized Medicine, Lewis Katz School of Medicine, Temple University, Philadelphia, PA
| | - Margaret Nieborowska-Skorska
- Fels Cancer Institute for Personalized Medicine, Lewis Katz School of Medicine, Temple University, Philadelphia, PA
| | - Bac Viet Le
- Fels Cancer Institute for Personalized Medicine, Lewis Katz School of Medicine, Temple University, Philadelphia, PA
| | - Marie-Christine Caron
- CHU de Québec Research Centre (Oncology Division) and Laval University Cancer Research Center, Québec City, QC, Canada
| | - Anna-Mariya Kukuyan
- Fels Cancer Institute for Personalized Medicine, Lewis Katz School of Medicine, Temple University, Philadelphia, PA
| | - Katherine Sullivan-Reed
- Fels Cancer Institute for Personalized Medicine, Lewis Katz School of Medicine, Temple University, Philadelphia, PA
| | | | - Kumaraswamy N. Chitrala
- Fels Cancer Institute for Personalized Medicine, Lewis Katz School of Medicine, Temple University, Philadelphia, PA
| | - Jessica Atkins
- Fels Cancer Institute for Personalized Medicine, Lewis Katz School of Medicine, Temple University, Philadelphia, PA
| | - Malgorzata Drzewiecka
- Fels Cancer Institute for Personalized Medicine, Lewis Katz School of Medicine, Temple University, Philadelphia, PA
- Laboratory of Medical Genetics, Faculty of Biology and Environmental Protection, University of Lodz, Lodz, Poland
| | - Wanjuan Feng
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC
| | - Joe Chan
- Fels Cancer Institute for Personalized Medicine, Lewis Katz School of Medicine, Temple University, Philadelphia, PA
| | - Srinivas Chatla
- Fels Cancer Institute for Personalized Medicine, Lewis Katz School of Medicine, Temple University, Philadelphia, PA
| | - Konstantin Golovine
- Fels Cancer Institute for Personalized Medicine, Lewis Katz School of Medicine, Temple University, Philadelphia, PA
| | | | - Tomasz Sliwinski
- Laboratory of Medical Genetics, Faculty of Biology and Environmental Protection, University of Lodz, Lodz, Poland
| | - Jayashri Ghosh
- Fels Cancer Institute for Personalized Medicine, Lewis Katz School of Medicine, Temple University, Philadelphia, PA
| | | | - Gurushankar Chandramouly
- Department of Biochemistry and Molecular Biology, Sidney Kimmel Cancer Center, Thomas Jefferson University, Philadelphia, PA
| | - Reza Nejati
- Department of Pathology, Fox Chase Cancer Center, Philadelphia, PA
| | - Mariusz Wasik
- Department of Pathology, Fox Chase Cancer Center, Philadelphia, PA
| | - Stephen M. Sykes
- Division of Hematology/Oncology, Department of Pediatrics, Washington University at St. Louis, St. Louis, MO
| | - Katarzyna Piwocka
- Laboratory of Cytometry, Nencki Institute of Experimental Biology, Warsaw, Poland
| | - Emir Hadzijusufovic
- Ludwig Boltzmann Institute for Hematology and Oncology, Medical University of Vienna, Vienna, Austria
- Division of Hematology and Hemostaseology, Department of Internal Medicine I, Medical University of Vienna, Vienna, Austria
- Department for Companion Animals & Horses, Clinic for Internal Medicine and Infectious Diseases, University of Veterinary Medicine Vienna, Austria
| | - Peter Valent
- Ludwig Boltzmann Institute for Hematology and Oncology, Medical University of Vienna, Vienna, Austria
- Division of Hematology and Hemostaseology, Department of Internal Medicine I, Medical University of Vienna, Vienna, Austria
| | - Richard T. Pomerantz
- Department of Biochemistry and Molecular Biology, Sidney Kimmel Cancer Center, Thomas Jefferson University, Philadelphia, PA
| | - George Morton
- Moulder Center for Drug Discovery, Temple University School of Pharmacy, Philadelphia, PA
| | - Wayne Childers
- Moulder Center for Drug Discovery, Temple University School of Pharmacy, Philadelphia, PA
| | - Huaqing Zhao
- Department of Clinical Sciences, Lewis Katz School of Medicine, Temple University, Philadelphia, PA
| | - Elisabeth M. Paietta
- Department of Oncology, Albert Einstein College of Medicine-Montefiore Medical Center, Bronx, NY
| | - Ross L. Levine
- Center for Hematologic Malignancies, Memorial Sloan Kettering Cancer Center, New York, NY
| | - Martin S. Tallman
- Center for Hematologic Malignancies, Memorial Sloan Kettering Cancer Center, New York, NY
| | - Hugo F. Fernandez
- Moffitt Malignant Hematology & Cellular Therapy at Memorial Healthcare System, Pembroke Pines, FL
| | - Mark R. Litzow
- Division of Hematology, Department of Internal Medicine, Mayo Clinic, Rochester, MN
| | - Gaorav P. Gupta
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC
| | - Jean-Yves Masson
- CHU de Québec Research Centre (Oncology Division) and Laval University Cancer Research Center, Québec City, QC, Canada
| | - Tomasz Skorski
- Fels Cancer Institute for Personalized Medicine, Lewis Katz School of Medicine, Temple University, Philadelphia, PA
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10
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Ayala R, Fernández RA, García‐Gutiérrez V, Alvarez‐Larrán A, Osorio S, Sánchez‐Pina JM, Carreño‐Tarragona G, Álvarez N, Gómez‐Casares MT, Duran A, Gorrochategi J, Hernández‐Boluda JC, Martínez‐López J. Janus kinase inhibitor ruxolitinib in combination with nilotinib and prednisone in patients with myelofibrosis (RuNiC study): A phase Ib, multicenter study. EJHAEM 2023; 4:401-409. [PMID: 37206258 PMCID: PMC10188506 DOI: 10.1002/jha2.685] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/25/2023] [Revised: 03/16/2023] [Accepted: 03/22/2023] [Indexed: 05/21/2023]
Abstract
This phase Ib, non-randomized, open-label study evaluates the safety and tolerability of ruxolitinib in combination with nilotinib and prednisone in patients with naïve or ruxolitinib-resistant myelofibrosis (MF). A total of 15 patients with primary or secondary MF received the study treatment; 13 patients had received prior ruxolitinib treatment (86.7%). Eight patients completed seven cycles (53.3%) and six patients completed twelve cycles of treatment (40%). All the patients experienced at least one adverse event (AE) during the study (the most common AEs were hyperglycemia, asthenia, and thrombocytopenia), and 14 patients registered at least one treatment-related AE (the most common treatment-related AEs were hyperglycemia (22.2%; three grade 3 cases). Five treatment-related serious AEs (SAEs) were reported in two patients (13.3%). No deaths were registered throughout the study. No dose-limiting toxicity was observed. Four out of fifteen (27%) patients experienced a 100% spleen size reduction at Cycle 7, and two additional patients achieved a >50% spleen size reduction, representing an overall response rate of 40% at Cycle 7. In conclusion, the tolerability of this combination was acceptable, and hyperglycemia was the most frequent treatment-related AE. Ruxolitinib in combination with nilotinib and prednisone showed relevant clinical activity in patients with MF. This trial was registered with EudraCT Number 2016-005214-21.
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Affiliation(s)
- Rosa Ayala
- Haematological Malignancies Clinical Research UnitHospital Universitario 12 de Octubre, Universidad Complutense, CNIO, CIBERONCMadridSpain
| | | | | | | | - Santiago Osorio
- Hematology Department Hospital General UGregorio MarañónMadridSpain
| | | | | | - Noemi Álvarez
- Department of Translational HematologyResearch Institute Hospital 12 de Octubre (i+12)MadridSpain
| | | | - Antonia Duran
- Hematology Department Hospital Universitario Son EspasesPalma de MallorcaSpain
| | | | | | - Joaquín Martínez‐López
- Haematological Malignancies Clinical Research UnitHospital Universitario 12 de Octubre, Universidad Complutense, CNIO, CIBERONCMadridSpain
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11
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Moliterno AR, Kaizer H, Reeves BN. JAK2 V617F allele burden in polycythemia vera: burden of proof. Blood 2023; 141:1934-1942. [PMID: 36745865 PMCID: PMC10163319 DOI: 10.1182/blood.2022017697] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Revised: 01/09/2023] [Accepted: 01/23/2023] [Indexed: 02/08/2023] Open
Abstract
Polycythemia vera (PV) is a hematopoietic stem cell neoplasm defined by activating somatic mutations in the JAK2 gene and characterized clinically by overproduction of red blood cells, platelets, and neutrophils; a significant burden of disease-specific symptoms; high rates of vascular events; and evolution to a myelofibrosis phase or acute leukemia. The JAK2V617F variant allele frequency (VAF) is a key determinant of outcomes in PV, including thrombosis and myelofibrotic progression. Here, we critically review the dynamic role of JAK2V617F mutation burden in the pathogenesis and natural history of PV, the suitability of JAK2V617F VAF as a diagnostic and prognostic biomarker, and the utility of JAK2V617F VAF reduction in PV treatment.
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Affiliation(s)
- Alison R. Moliterno
- Division of Hematology, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD
| | - Hannah Kaizer
- Division of Hematology, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD
| | - Brandi N. Reeves
- Division of Hematology, Department of Medicine, Blood Research Center, Lineberger Comprehensive Cancer Center, The University of North Carolina at Chapel Hill, Chapel Hill, NC
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12
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Zhao J, Yu N, Zhao X, Quan W, Shu M. 3D-QSAR, molecular docking, and molecular dynamics analysis of dihydrodiazaindolone derivatives as PARP-1 inhibitors. J Mol Model 2023; 29:131. [PMID: 37020092 DOI: 10.1007/s00894-023-05525-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Accepted: 03/21/2023] [Indexed: 04/07/2023]
Abstract
CONTEXT PARP-1 plays an important role in DNA repair and apoptosis, and PARP-1 inhibitors have shown to be effective in the treatment of several malignancies. To evaluate the function of new PARP-1 inhibitors as anticancer adjuvant medicines, 3D-QSAR, molecular docking, and molecular dynamics (MD) simulations of a sequence of dihydrodiazepinoindolone derivatives PARP-1 inhibitors were undertaken in this study. METHODS In this paper, 43 PARP-1 inhibitors were studied in a three-dimensional quantitative structure-activity relationship (3D-QSAR) using comparative molecular field analysis (CoMFA) and comparative molecular similarity index analysis (CoMSIA). CoMFA with q2 of 0.675 and r2 of 0.981 was achieved, as was CoMSIA with q2 of 0.755 and r2 of 0.992. The changed areas of these compounds are shown by steric, electrostatic, hydrophobic, and hydrogen-bonded acceptor field contour maps. Subsequently, molecular docking, and molecular dynamics simulations further confirmed that key residues Gly863 and Ser904 of PARP-1 are vital residues for protein interactions and their binding affinity. The effects of 3D-QSAR, molecular docking and molecular dynamics simulations supply a new route for the search of new PARP-1 inhibitors. Finally, we designed eight new compounds with exact activity and ADME/T properties.
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Affiliation(s)
- Jing Zhao
- School of Pharmacy and Bioengineering, Chongqing University of Technology, Chongqing, 400054, China
| | - Na Yu
- School of Pharmacy and Bioengineering, Chongqing University of Technology, Chongqing, 400054, China
| | - Xuemin Zhao
- School of Pharmacy and Bioengineering, Chongqing University of Technology, Chongqing, 400054, China
| | - Wenxuan Quan
- School of Pharmacy and Bioengineering, Chongqing University of Technology, Chongqing, 400054, China
| | - Mao Shu
- School of Pharmacy and Bioengineering, Chongqing University of Technology, Chongqing, 400054, China.
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13
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Gao Y, Li Y, Lin Z, Zeng Y, Huang Z, Han L, Zhong Y, Gong Y, Wu Q, Xie C. Ataxia telangiectasia mutated kinase inhibition promotes irradiation-induced PD-L1 expression in tumour-associated macrophages through IFN-I/JAK signalling pathway. Immunology 2023; 168:346-361. [PMID: 36326481 DOI: 10.1111/imm.13602] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2022] [Accepted: 10/07/2022] [Indexed: 11/06/2022] Open
Abstract
Tumour-associated macrophages (TAMs) are one of the primary sources of PD-L1 expression in the tumour microenvironment (TME). Ionizing radiation (IR) promotes PD-L1 expression in tumour cells. However, the effect of IR on macrophage PD-L1 expression and the underlying mechanisms remain unclear. ATM kinase, as the key kinase for initiating DNA damage repair (DDR) process, is associated with innate immune STING axis activation. Here, we explored the molecular mechanism implicated in macrophage PD-L1 expression regulated by IR as well as the role of ATM kinase in this process. IR-regulated PD-L1 expression in macrophages and associated signalling pathways were explored by in vitro studies using murine and human macrophage cell lines. A colorectal xenograft murine model was employed to demonstrate the impact of targeting ATM and PD-L1 expression in TAMs following IR on growth of tumour in vivo. IR up-regulated PD-L1 expression in macrophages, which was further augmented by ATM kinase inhibition. ATM inhibition increased IR-induced DNA damage, which activated STING/interferon regulatory factor 3 (IRF3) signalling pathway and up-regulated type I interferon (IFN-I) expression in macrophages. IFN-I bound to the IFN α receptor 1 on macrophages, activated the downstream JAK1 and STAT1/3 signalling and eventually led to PD-L1 up-expression. ATM inhibition augmented IR-induced PD-L1 expression in macrophages and CD8+ T cell infiltration, and promoted anti-tumour efficacy in vivo. These results suggested that ATM inhibition promoted IR-induced PD-L1 expression through the activation of innate immunity in TAMs, which provided a novel approach to enhance the anti-tumour efficacy of RT.
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Affiliation(s)
- Yuke Gao
- Department of Radiation and Medical Oncology, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Yangyi Li
- Department of Radiation and Medical Oncology, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Zaihuan Lin
- Department of Gastric and Colorectal Surgical Oncology, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Yuxin Zeng
- Department of Radiation and Medical Oncology, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Zhengrong Huang
- Department of Radiation and Medical Oncology, Zhongnan Hospital of Wuhan University, Wuhan, China.,Department of Biological Repositories, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Linzhi Han
- Department of Radiation and Medical Oncology, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Yahua Zhong
- Department of Radiation and Medical Oncology, Zhongnan Hospital of Wuhan University, Wuhan, China.,Hubei Key Laboratory of Tumor Biological Behaviors, Zhongnan Hospital of Wuhan University, Wuhan, China.,Hubei Cancer Clinical Study Center, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Yan Gong
- Department of Biological Repositories, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Qiuji Wu
- Department of Radiation and Medical Oncology, Zhongnan Hospital of Wuhan University, Wuhan, China.,Hubei Key Laboratory of Tumor Biological Behaviors, Zhongnan Hospital of Wuhan University, Wuhan, China.,Hubei Cancer Clinical Study Center, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Conghua Xie
- Department of Radiation and Medical Oncology, Zhongnan Hospital of Wuhan University, Wuhan, China.,Hubei Key Laboratory of Tumor Biological Behaviors, Zhongnan Hospital of Wuhan University, Wuhan, China.,Hubei Cancer Clinical Study Center, Zhongnan Hospital of Wuhan University, Wuhan, China
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14
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Jin N, Xia Y, Gao Q. Combined PARP inhibitors and small molecular inhibitors in solid tumor treatment (Review). Int J Oncol 2023; 62:28. [PMID: 36601757 PMCID: PMC9851129 DOI: 10.3892/ijo.2023.5476] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Accepted: 09/23/2022] [Indexed: 01/05/2023] Open
Abstract
With the development of precision medicine, targeted therapy has attracted extensive attention. Poly(ADP‑ribose) polymerase inhibitors (PARPi) are critical clinical drugs designed to induce cell death and are major antitumor targeted agents. However, preclinical and clinical data have revealed the limitations of PARPi monotherapy. Therefore, their combination with other targeted drugs has become a research hotspot in tumor treatment. Recent studies have demonstrated the critical role of small molecular inhibitors in multiple haematological cancers and solid tumors via cellular signalling modulation, exhibiting potential as a combined pharmacotherapy. In the present review, studies focused on small molecular inhibitors targeting the homologous recombination pathway were summarized and clinical trials evaluating the safety and efficacy of combined treatment were discussed.
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Affiliation(s)
- Ning Jin
- Key Laboratory of The Ministry of Education, Cancer Biology Research Center, Tongji Hospital, Wuhan, Hubei 430000, P.R. China,Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430000, P.R. China
| | - Yu Xia
- Key Laboratory of The Ministry of Education, Cancer Biology Research Center, Tongji Hospital, Wuhan, Hubei 430000, P.R. China,Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430000, P.R. China,Correspondence to: Professor Qinglei Gao or Professor Yu Xia, Key Laboratory of The Ministry of Education, Cancer Biology Research Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Avenue, Wuhan, Hubei 430000, P.R. China, E-mail: , E-mail:
| | - Qinglei Gao
- Key Laboratory of The Ministry of Education, Cancer Biology Research Center, Tongji Hospital, Wuhan, Hubei 430000, P.R. China,Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430000, P.R. China,Correspondence to: Professor Qinglei Gao or Professor Yu Xia, Key Laboratory of The Ministry of Education, Cancer Biology Research Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Avenue, Wuhan, Hubei 430000, P.R. China, E-mail: , E-mail:
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15
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McKinnell Z, Karel D, Tuerff D, SH Abrahim M, Nassereddine S. Acute Myeloid Leukemia Following Myeloproliferative Neoplasms: A Review of What We Know, What We Do Not Know, and Emerging Treatment Strategies. J Hematol 2022; 11:197-209. [PMID: 36632576 PMCID: PMC9822656 DOI: 10.14740/jh1042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2022] [Accepted: 10/15/2022] [Indexed: 01/04/2023] Open
Abstract
Acute myeloid leukemia (AML) arising from myeloproliferative neoplasms (MPNs) represents a small subtype of secondary AML (sAML). This entity is well known to be associated with poor responses to available treatment options and dismal outcomes. To date, there are no standardized treatment options and there has been very little therapeutic advancement in recent years. This is a stark contrast to other subsets of AML for which there have been significant advances in therapeutic approaches, especially for patients with targetable mutations. We aim to focus our review on the incidence, risk factors for leukemogenesis, pathogenesis, molecular landscape, and emerging therapeutic options in post-myeloproliferative neoplasm acute myeloid leukemia (post-MPN AML).
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Affiliation(s)
- Zoe McKinnell
- Department of Hematology and Oncology, George Washington University Hospital, Washington, DC, USA
| | - Daniel Karel
- Department of Hematology and Oncology, George Washington University Hospital, Washington, DC, USA
| | - Daniel Tuerff
- Department of Hematology and Oncology, George Washington University Hospital, Washington, DC, USA
| | - Marwa SH Abrahim
- Department of Hematology and Oncology, George Washington University Hospital, Washington, DC, USA
| | - Samah Nassereddine
- Department of Hematology and Oncology, George Washington University Hospital, Washington, DC, USA,Corresponding Author: Samah Nassereddine, Department of Hematology and Oncology, George Washington University and George Washington Cancer Center, Washington, DC, USA.
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16
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Pre-Existing and Acquired Resistance to PARP Inhibitor-Induced Synthetic Lethality. Cancers (Basel) 2022; 14:cancers14235795. [PMID: 36497275 PMCID: PMC9741207 DOI: 10.3390/cancers14235795] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Revised: 11/17/2022] [Accepted: 11/21/2022] [Indexed: 11/27/2022] Open
Abstract
The advanced development of synthetic lethality has opened the doors for specific anti-cancer medications of personalized medicine and efficient therapies against cancers. One of the most popular approaches being investigated is targeting DNA repair pathways as the implementation of the PARP inhibitor (PARPi) into individual or combinational therapeutic schemes. Such treatment has been effectively employed against homologous recombination-defective solid tumors as well as hematopoietic malignancies. However, the resistance to PARPi has been observed in both preclinical research and clinical treatment. Therefore, elucidating the mechanisms responsible for the resistance to PARPi is pivotal for the further success of this intervention. Apart from mechanisms of acquired resistance, the bone marrow microenvironment provides a pre-existing mechanism to induce the inefficiency of PARPi in leukemic cells. Here, we describe the pre-existing and acquired mechanisms of the resistance to PARPi-induced synthetic lethality. We also discuss the potential rationales for developing effective therapies to prevent/repress the PARPi resistance in cancer cells.
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17
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Mughal TI, Pemmaraju N, Bejar R, Gale RP, Bose P, Kiladjian JJ, Prchal J, Royston D, Pollyea D, Valent P, Brümmendorf TH, Skorski T, Patnaik M, Santini V, Fenaux P, Kucine N, Verstovsek S, Mesa R, Barbui T, Saglio G, Van Etten RA. Perspective: Pivotal translational hematology and therapeutic insights in chronic myeloid hematopoietic stem cell malignancies. Hematol Oncol 2022; 40:491-504. [PMID: 35368098 DOI: 10.1002/hon.2987] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2021] [Revised: 02/21/2022] [Accepted: 03/03/2022] [Indexed: 11/10/2022]
Abstract
Despite much of the past 2 years being engulfed by the devastating consequences of the SAR-CoV-2 pandemic, significant progress, even breathtaking, occurred in the field of chronic myeloid malignancies. Some of this was show-cased at the 15th Post-American Society of Hematology (ASH) and the 25th John Goldman workshops on myeloproliferative neoplasms (MPN) held on 9th-10th December 2020 and 7th-10th October 2021, respectively. The inaugural Post-ASH MPN workshop was set out in 2006 by John Goldman (deceased) and Tariq Mughal to answer emerging translational hematology and therapeutics of patients with these malignancies. Rather than present a resume of the discussions, this perspective focuses on some of the pivotal translational hematology and therapeutic insights in these diseases.
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Affiliation(s)
- Tariq I Mughal
- Tufts University School of Medicine, Boston, Massachusetts, USA
- University of Buckingham, Buckingham, UK
| | - Naveen Pemmaraju
- MD Anderson Cancer Center, University of Texas, Houston, Texas, USA
| | - Rafael Bejar
- University of California San Diego, La Jolla, California, USA
| | | | - Prithviraj Bose
- MD Anderson Cancer Center, University of Texas, Houston, Texas, USA
| | | | - Josef Prchal
- Huntsman Cancer Center, Salt Lake City, Utah, USA
| | - Daniel Royston
- John Radcliffe Hospital, University of Oxford, Oxford, UK
| | - Daniel Pollyea
- University of Colorado School of Medicine, Aurora, Colorado, USA
| | - Peter Valent
- Medical University of Vienna, Vienna, Austria
- Ludwig Boltzmann Institute for Hematology and Oncology, Medical University of Vienna, Vienna, Austria
| | | | - Tomasz Skorski
- Temple University Lewis Katz School of Medicine, Philadelphia, Pennsylvania, USA
| | | | - Valeria Santini
- Azienda Ospedaliero Universitaria Careggi, University of Florence, Florence, Italy
| | - Pierre Fenaux
- Hospital St Louis, Assistance Publique Hôpitaux de Paris, Paris, France
| | | | - Srdan Verstovsek
- MD Anderson Cancer Center, University of Texas, Houston, Texas, USA
| | - Ruben Mesa
- Mays Cancer Center, UT Health San Antonio MD Anderson Cancer Center, San Antonio, Texas, USA
| | - Tiziano Barbui
- Fondazione per la Ricerca Ospedale Maggiore di Bergamo, Bergamo, Italy
| | | | - Richard A Van Etten
- Chao Family Comprehensive Cancer Center, University of California, Irvine, California, USA
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18
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Walking the Tightrope: Balancing Delicate Inflammation Response to Eradicate Acute Myeloid Leukemia. Cancer Discov 2022; 12:1617-1619. [DOI: 10.1158/2159-8290.cd-22-0473] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Summary:
Ellegast and colleagues show that monocytic acute myeloid leukemias (AML), enriched in inflammatory and immune gene sets, exploit a transcriptional repressor—namely, IRF2BP2—to mitigate their cell-intrinsic inflammatory output and ensure their maintenance. IRF2BP2 ablation results in heightened inflammatory signals that reach a set point that triggers apoptotic AML cell death in an NF-κB–IL1β–dependent manner. The study identifies IRF2BP2 as a cell-intrinsic vulnerability with potential therapeutic significance in monocytic AML.
See related article by Ellegast et al., p. 1760 (6).
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Danel A, Gondek E, Kucharek M, Szlachcic P, Gut A. 1 H-Pyrazolo[3,4- b]quinolines: Synthesis and Properties over 100 Years of Research. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27092775. [PMID: 35566124 PMCID: PMC9099536 DOI: 10.3390/molecules27092775] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Revised: 04/13/2022] [Accepted: 04/22/2022] [Indexed: 12/12/2022]
Abstract
This paper summarises a little over 100 years of research on the synthesis and the photophysical and biological properties of 1H-pyrazolo[3,4-b]quinolines that was published in the years 1911–2021. The main methods of synthesis are described, which include Friedländer condensation, synthesis from anthranilic acid derivatives, multicomponent synthesis and others. The use of this class of compounds as potential fluorescent sensors and biologically active compounds is shown. This review intends to summarize the abovementioned aspects of 1H-pyrazolo[3,4-b]quinoline chemistry. Some of the results that are presented in this publication come from the laboratories of the authors of this review.
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Affiliation(s)
- Andrzej Danel
- Faculty of Materials Engineering and Physics, Cracow University of Technology, Podchorążych Str. 1, 30-084 Krakow, Poland;
- Correspondence:
| | - Ewa Gondek
- Faculty of Materials Engineering and Physics, Cracow University of Technology, Podchorążych Str. 1, 30-084 Krakow, Poland;
| | - Mateusz Kucharek
- Faculty of Food Technology, University of Agriculture in Krakow, Balicka Str. 122, 30-149 Krakow, Poland; (M.K.); (P.S.)
| | - Paweł Szlachcic
- Faculty of Food Technology, University of Agriculture in Krakow, Balicka Str. 122, 30-149 Krakow, Poland; (M.K.); (P.S.)
| | - Arkadiusz Gut
- Faculty of Chemistry, Jagiellonian University, Gronostajowa Str. 2, 30-387 Krakow, Poland;
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Shabashvili DE, Feng Y, Kaur P, Venugopal K, Guryanova OA. Combination strategies to promote sensitivity to cytarabine-induced replication stress in acute myeloid leukemia with and without DNMT3A mutations. Exp Hematol 2022; 110:20-27. [DOI: 10.1016/j.exphem.2022.03.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Revised: 03/09/2022] [Accepted: 03/10/2022] [Indexed: 11/27/2022]
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Bochicchio MT, Di Battista V, Poggio P, Carrà G, Morotti A, Brancaccio M, Lucchesi A. Understanding Aberrant Signaling to Elude Therapy Escape Mechanisms in Myeloproliferative Neoplasms. Cancers (Basel) 2022; 14:cancers14040972. [PMID: 35205715 PMCID: PMC8870427 DOI: 10.3390/cancers14040972] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2021] [Revised: 02/08/2022] [Accepted: 02/10/2022] [Indexed: 02/01/2023] Open
Abstract
Aberrant signaling in myeloproliferative neoplasms may arise from alterations in genes coding for signal transduction proteins or epigenetic regulators. Both mutated and normal cells cooperate, altering fragile balances in bone marrow niches and fueling persistent inflammation through paracrine or systemic signals. Despite the hopes placed in targeted therapies, myeloid proliferative neoplasms remain incurable diseases in patients not eligible for stem cell transplantation. Due to the emergence of drug resistance, patient management is often very difficult in the long term. Unexpected connections among signal transduction pathways highlighted in neoplastic cells suggest new strategies to overcome neoplastic cell adaptation.
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Affiliation(s)
- Maria Teresa Bochicchio
- Biosciences Laboratory, IRCCS Istituto Scientifico Romagnolo per lo Studio dei Tumori (IRST) “Dino Amadori”, 47014 Meldola, Italy;
| | - Valeria Di Battista
- Hematology Unit, IRCCS Istituto Scientifico Romagnolo per lo Studio dei Tumori (IRST) “Dino Amadori”, 47014 Meldola, Italy;
| | - Pietro Poggio
- Department of Molecular Biotechnology and Health Sciences, University of Torino, 10126 Torino, Italy;
| | - Giovanna Carrà
- Department of Clinical and Biological Sciences, University of Torino, 10043 Orbassano, Italy;
| | - Alessandro Morotti
- Department of Clinical and Biological Sciences, University of Torino, 10043 Orbassano, Italy;
- Correspondence: (A.M.); (M.B.); (A.L.)
| | - Mara Brancaccio
- Department of Molecular Biotechnology and Health Sciences, University of Torino, 10126 Torino, Italy;
- Correspondence: (A.M.); (M.B.); (A.L.)
| | - Alessandro Lucchesi
- Hematology Unit, IRCCS Istituto Scientifico Romagnolo per lo Studio dei Tumori (IRST) “Dino Amadori”, 47014 Meldola, Italy;
- Correspondence: (A.M.); (M.B.); (A.L.)
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22
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Sasaki K, Yamauchi T, Semba Y, Nogami J, Imanaga H, Terasaki T, Nakao F, Akahane K, Inukai T, Verhoeyen E, Akashi K, Maeda T. Genome-wide CRISPR-Cas9 screen identifies rationally designed combination therapies for CRLF2-rearranged Ph-like ALL. Blood 2022; 139:748-760. [PMID: 34587248 PMCID: PMC9632759 DOI: 10.1182/blood.2021012976] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Accepted: 09/14/2021] [Indexed: 02/05/2023] Open
Abstract
Acute lymphoblastic leukemia (ALL) harboring the IgH-CRLF2 rearrangement (IgH-CRLF2-r) exhibits poor clinical outcomes and is the most common subtype of Philadelphia chromosome-like acute lymphoblastic leukemia (Ph-like ALL). While multiple chemotherapeutic regimens, including ruxolitinib monotherapy and/or its combination with chemotherapy, are being tested, their efficacy is reportedly limited. To identify molecules/pathways relevant for IgH-CRLF2-r ALL pathogenesis, we performed genome-wide CRISPR-Cas9 dropout screens in the presence or absence of ruxolitinib using 2 IgH-CRLF2-r ALL lines that differ in RAS mutational status. To do so, we employed a baboon envelope pseudotyped lentiviral vector system, which enabled, for the first time, highly efficient transduction of human B cells. While single-guide RNAs (sgRNAs) targeting CRLF2, IL7RA, or JAK1/2 significantly affected cell fitness in both lines, those targeting STAT5A, STAT5B, or STAT3 did not, suggesting that STAT signaling is largely dispensable for IgH-CRLF2-r ALL cell survival. We show that regulators of RAS signaling are critical for cell fitness and ruxolitinib sensitivity and that CRKL depletion enhances ruxolitinib sensitivity in RAS wild-type (WT) cells. Gilteritinib, a pan-tyrosine kinase inhibitor that blocks CRKL phosphorylation, effectively killed RAS WT IgH-CRLF2-r ALL cells in vitro and in vivo, either alone or combined with ruxolitinib. We further show that combining gilteritinib with trametinib, a MEK1/2 inhibitor, is an effective means to target IgH-CRLF2-r ALL cells regardless of RAS mutational status. Our study delineates molecules/pathways relevant for CRLF2-r ALL pathogenesis and could suggest rationally designed combination therapies appropriate for disease subtypes.
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Affiliation(s)
- Kensuke Sasaki
- Department of Medicine and Biosystemic Science, Kyushu University Graduate School of Medical Sciences, Fukuoka, Japan
- Center for Cellular and Molecular Medicine, Kyushu University Hospital, Fukuoka, Japan
| | - Takuji Yamauchi
- Department of Medicine and Biosystemic Science, Kyushu University Graduate School of Medical Sciences, Fukuoka, Japan
- Center for Cellular and Molecular Medicine, Kyushu University Hospital, Fukuoka, Japan
| | - Yuichiro Semba
- Department of Medicine and Biosystemic Science, Kyushu University Graduate School of Medical Sciences, Fukuoka, Japan
| | - Jumpei Nogami
- Department of Medicine and Biosystemic Science, Kyushu University Graduate School of Medical Sciences, Fukuoka, Japan
| | - Hiroshi Imanaga
- Department of Medicine and Biosystemic Science, Kyushu University Graduate School of Medical Sciences, Fukuoka, Japan
| | - Tatsuya Terasaki
- Department of Medicine and Biosystemic Science, Kyushu University Graduate School of Medical Sciences, Fukuoka, Japan
| | - Fumihiko Nakao
- Department of Medicine and Biosystemic Science, Kyushu University Graduate School of Medical Sciences, Fukuoka, Japan
| | - Koshi Akahane
- Department of Pediatrics, School of Medicine, University of Yamanashi, Yamanashi, Japan
| | - Takeshi Inukai
- Department of Pediatrics, School of Medicine, University of Yamanashi, Yamanashi, Japan
| | - Els Verhoeyen
- CIRI-International Center for Infectiology Research, INSERM, Unité 1111, Université Claude Bernard Lyon 1, Centre National de la Recherche Scientifique, Unité Mixte de Recherche (UMR) 5308, Ecole Normale Supérieure de Lyon, Université Lyon, Lyon, France
- Université Côte d'Azur, INSERM, Centre Méditerranéen de Médecine Moléculaire (C3M), Nice, France; and
| | - Koichi Akashi
- Department of Medicine and Biosystemic Science, Kyushu University Graduate School of Medical Sciences, Fukuoka, Japan
| | - Takahiro Maeda
- Center for Cellular and Molecular Medicine, Kyushu University Hospital, Fukuoka, Japan
- Department of Pediatrics, School of Medicine, University of Yamanashi, Yamanashi, Japan
- CIRI-International Center for Infectiology Research, INSERM, Unité 1111, Université Claude Bernard Lyon 1, Centre National de la Recherche Scientifique, Unité Mixte de Recherche (UMR) 5308, Ecole Normale Supérieure de Lyon, Université Lyon, Lyon, France
- Université Côte d'Azur, INSERM, Centre Méditerranéen de Médecine Moléculaire (C3M), Nice, France; and
- Division of Precision Medicine, Kyushu University Graduate School of Medical Sciences, Fukuoka, Japan
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Martincuks A, Song J, Kohut A, Zhang C, Li YJ, Zhao Q, Mak E, Rodriguez-Rodriguez L, Yu H, Cristea M. PARP Inhibition Activates STAT3 in Both Tumor and Immune Cells Underlying Therapy Resistance and Immunosuppression In Ovarian Cancer. Front Oncol 2021; 11:724104. [PMID: 34956861 PMCID: PMC8693573 DOI: 10.3389/fonc.2021.724104] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2021] [Accepted: 11/16/2021] [Indexed: 12/15/2022] Open
Abstract
Despite the promising activity of poly(ADP-ribose) polymerase (PARP) inhibitors (PARPi) in many cancer types with defects in the DNA damage response the majority of the treated patients acquire PARPi resistance and succumb to their diseases. Consequently, there is an urgent need to identify the mechanisms of PARPi resistance. Here, we show that PARPi treatment promotes STAT3 activation in ovarian cancer cells, tumor-associated immune cells and fibroblasts, resulting in PARPi resistance and immunosuppression. Comparison of ovarian cancer patient-matched tumor biopsies before and after PARPi therapy revealed that STAT3 activity was significantly higher in tumor cells and tumor-associated immune cells and fibroblasts post PARPi treatment. Moreover, one-time PARPi treatment activated STAT3 both in tumor cells as well as diverse immune subsets and fibroblasts. PARPi-treated immune cells exhibited decreased expression of immunostimulatory interferon (IFN)-γ and Granzyme B while increasing immunosuppressive cytokine IL-10. Finally, we demonstrate that the acquisition of PARPi resistance in ovarian cancer cells was accompanied by increased STAT3 activity. Ablating STAT3 inhibited PARPi-resistant ovarian tumor cell growth and/or restored PARPi sensitivity. Therefore, our study has identified a critical mechanism intrinsic to PARPi that promotes resistance to PARPi and induces immunosuppression during PARPi treatment by activating STAT3 in tumor cells and tumor-associated immune cells/fibroblasts.
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Affiliation(s)
- Antons Martincuks
- Department of Immuno-Oncology, Beckman Research Institute, City of Hope National Medical Center (COH), Duarte, CA, United States
| | - Jieun Song
- Department of Immuno-Oncology, Beckman Research Institute, City of Hope National Medical Center (COH), Duarte, CA, United States
| | - Adrian Kohut
- Department of Surgery, Division of Gynecologic Oncology, City of Hope National Medical Center (COH), Duarte, CA, United States
| | - Chunyan Zhang
- Department of Immuno-Oncology, Beckman Research Institute, City of Hope National Medical Center (COH), Duarte, CA, United States
| | - Yi-Jia Li
- Department of Immuno-Oncology, Beckman Research Institute, City of Hope National Medical Center (COH), Duarte, CA, United States
| | - Qianqian Zhao
- Department of Immuno-Oncology, Beckman Research Institute, City of Hope National Medical Center (COH), Duarte, CA, United States
| | - Edward Mak
- Department of Medical Oncology & Therapeutics Research, City of Hope National Medical Center (COH), Duarte, CA, United States
| | - Lorna Rodriguez-Rodriguez
- Department of Surgery, Division of Gynecologic Oncology, City of Hope National Medical Center (COH), Duarte, CA, United States
| | - Hua Yu
- Department of Immuno-Oncology, Beckman Research Institute, City of Hope National Medical Center (COH), Duarte, CA, United States
| | - Mihaela Cristea
- Department of Medical Oncology & Therapeutics Research, City of Hope National Medical Center (COH), Duarte, CA, United States
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Sun Y, Cai Y, Cen J, Zhu M, Pan J, Wang Q, Wu D, Chen S. Pegylated Interferon Alpha-2b in Patients With Polycythemia Vera and Essential Thrombocythemia in the Real World. Front Oncol 2021; 11:797825. [PMID: 34993148 PMCID: PMC8724125 DOI: 10.3389/fonc.2021.797825] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Accepted: 12/06/2021] [Indexed: 11/13/2022] Open
Abstract
Several clinical trials have shown promising efficacy of pegylated interferon (Peg-IFN) in the first- and second-line polycythemia vera (PV) and essential thrombocythemia (ET). However, the efficacy and safety of Peg-IFN in the real world have rarely been reported. Hence, we conducted a prospective, single-center, single-arm, open exploratory study, which aimed to explore the hematologic response, molecular response, safety, and tolerability of patients with PV and ET treated with Peg-IFN in the real world. This study included newly diagnosed or previously treated patients with PV and ET, aged 18 years or older, admitted to the Department of Hematology of the First Affiliated Hospital of Soochow University from November 2017 to October 2019. The results revealed that complete hematological response (CHR) was achieved in 66.7% of patients with PV and 76.2% of patients with ET, and the molecular response was obtained in 38.5% of patients with PV and 50% of patients with ET after 48 weeks of Peg-IFN treatment. Peg-IFN is safe, effective and well tolerated in most patients. In the entire cohort, 4 patients (9.1%) discontinued treatment due to drug-related toxicity. In conclusion, Peg-IFN is a promising strategy in myeloproliferative neoplasms (MPNs), and Peg-IFN alone or in combination with other drugs should be further explored to reduce treatment-related toxicity and improve tolerability.
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Affiliation(s)
- Yingxin Sun
- Department of Hematology, First Affiliated Hospital of Soochow University, Soochow University, Jiangsu Institute of Hematology, National Clinical Research Center for Hematologic Diseases, Suzhou, China
- Department of Thrombosis and Hemostasis, Key Laboratory of Thrombosis and Hemostasis of Ministry of Health, Suzhou, China
| | - Yifeng Cai
- Department of Hematology, The Affiliated Hospital of Nantong University, Nantong University, Nantong, China
| | - Jiannong Cen
- Department of Hematology, First Affiliated Hospital of Soochow University, Soochow University, Jiangsu Institute of Hematology, National Clinical Research Center for Hematologic Diseases, Suzhou, China
- Department of Thrombosis and Hemostasis, Key Laboratory of Thrombosis and Hemostasis of Ministry of Health, Suzhou, China
| | - Mingqing Zhu
- Department of Hematology, First Affiliated Hospital of Soochow University, Soochow University, Jiangsu Institute of Hematology, National Clinical Research Center for Hematologic Diseases, Suzhou, China
- Department of Thrombosis and Hemostasis, Key Laboratory of Thrombosis and Hemostasis of Ministry of Health, Suzhou, China
| | - Jinlan Pan
- Department of Hematology, First Affiliated Hospital of Soochow University, Soochow University, Jiangsu Institute of Hematology, National Clinical Research Center for Hematologic Diseases, Suzhou, China
- Department of Thrombosis and Hemostasis, Key Laboratory of Thrombosis and Hemostasis of Ministry of Health, Suzhou, China
| | - Qian Wang
- Department of Hematology, First Affiliated Hospital of Soochow University, Soochow University, Jiangsu Institute of Hematology, National Clinical Research Center for Hematologic Diseases, Suzhou, China
- Department of Thrombosis and Hemostasis, Key Laboratory of Thrombosis and Hemostasis of Ministry of Health, Suzhou, China
| | - Depei Wu
- Department of Hematology, First Affiliated Hospital of Soochow University, Soochow University, Jiangsu Institute of Hematology, National Clinical Research Center for Hematologic Diseases, Suzhou, China
- Department of Thrombosis and Hemostasis, Key Laboratory of Thrombosis and Hemostasis of Ministry of Health, Suzhou, China
| | - Suning Chen
- Department of Hematology, First Affiliated Hospital of Soochow University, Soochow University, Jiangsu Institute of Hematology, National Clinical Research Center for Hematologic Diseases, Suzhou, China
- Department of Thrombosis and Hemostasis, Key Laboratory of Thrombosis and Hemostasis of Ministry of Health, Suzhou, China
- *Correspondence: Suning Chen,
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PARP Inhibitors and Myeloid Neoplasms: A Double-Edged Sword. Cancers (Basel) 2021; 13:cancers13246385. [PMID: 34945003 PMCID: PMC8699275 DOI: 10.3390/cancers13246385] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2021] [Revised: 12/13/2021] [Accepted: 12/17/2021] [Indexed: 12/24/2022] Open
Abstract
Simple Summary Poly(ADP-ribose) polymerase (PARP) inhibitors, which are medications approved to treat various solid tumors, including breast, prostate, ovarian, and prostate cancers, are being examined in hematological malignancies. This review summarizes the potential role of PARP inhibitors in the treatment of myeloid diseases, particularly acute myeloid leukemia (AML). We review ongoing clinical studies investigating the safety and efficacy of PARP inhibitors in the treatment of AML, focusing on specific molecular and genetic AML subgroups that could be particularly sensitive to PARP inhibitor treatment. We also discuss reports describing an increased risk of treatment-related myeloid neoplasms in patients receiving PARP inhibitors for solid tumors. Abstract Despite recent discoveries and therapeutic advances in aggressive myeloid neoplasms, there remains a pressing need for improved therapies. For instance, in acute myeloid leukemia (AML), while most patients achieve a complete remission with conventional chemotherapy or the combination of a hypomethylating agent and venetoclax, de novo or acquired drug resistance often presents an insurmountable challenge, especially in older patients. Poly(ADP-ribose) polymerase (PARP) enzymes, PARP1 and PARP2, are involved in detecting DNA damage and repairing it through multiple pathways, including base excision repair, single-strand break repair, and double-strand break repair. In the context of AML, PARP inhibitors (PARPi) could potentially exploit the frequently dysfunctional DNA repair pathways that, similar to deficiencies in homologous recombination in BRCA-mutant disease, set the stage for cell killing. PARPi appear to be especially effective in AML with certain gene rearrangements and molecular characteristics (RUNX1-RUNX1T1 and PML-RARA fusions, FLT3- and IDH1-mutated). In addition, PARPi can enhance the efficacy of other agents, particularly alkylating agents, TOP1 poisons, and hypomethylating agents, that induce lesions ordinarily repaired via PARP1-dependent mechanisms. Conversely, emerging reports suggest that long-term treatment with PARPi for solid tumors is associated with an increased incidence of myelodysplastic syndrome (MDS) and AML. Here, we (i) review the pre-clinical and clinical data on the role of PARPi, specifically olaparib, talazoparib, and veliparib, in aggressive myeloid neoplasms and (ii) discuss the reported risk of MDS/AML with PARPi, especially as the indications for PARPi use expand to include patients with potentially curable cancer.
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Progression of Myeloproliferative Neoplasms (MPN): Diagnostic and Therapeutic Perspectives. Cells 2021; 10:cells10123551. [PMID: 34944059 PMCID: PMC8700229 DOI: 10.3390/cells10123551] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Revised: 12/10/2021] [Accepted: 12/13/2021] [Indexed: 12/21/2022] Open
Abstract
Classical BCR-ABL-negative myeloproliferative neoplasms (MPN) are a heterogeneous group of hematologic malignancies, including essential thrombocythemia (ET), polycythemia vera (PV), and primary myelofibrosis (PMF), as well as post-PV-MF and post-ET-MF. Progression to more symptomatic disease, such as overt MF or acute leukemia, represents one of the major causes of morbidity and mortality. There are clinically evident but also subclinical types of MPN progression. Clinically evident progression includes evolution from ET to PV, ET to post-ET-MF, PV to post-PV-MF, or pre-PMF to overt PMF, and transformation of any of these subtypes to myelodysplastic neoplasms or acute leukemia. Thrombosis, major hemorrhage, severe infections, or increasing symptom burden (e.g., pruritus, night sweats) may herald progression. Subclinical types of progression may include increases in the extent of bone marrow fibrosis, increases of driver gene mutational allele burden, and clonal evolution. The underlying causes of MPN progression are diverse and can be attributed to genetic alterations and chronic inflammation. Particularly, bystander mutations in genes encoding epigenetic regulators or splicing factors were associated with progression. Finally, comorbidities such as systemic inflammation, cardiovascular diseases, and organ fibrosis may augment the risk of progression. The aim of this review was to discuss types and mechanisms of MPN progression and how their knowledge might improve risk stratification and therapeutic intervention. In view of these aspects, we discuss the potential benefits of early diagnosis using molecular and functional imaging and exploitable therapeutic strategies that may prevent progression, but also highlight current challenges and methodological pitfalls.
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Bose P, Mesa RA. Novel strategies for challenging scenarios encountered in managing myelofibrosis. Leuk Lymphoma 2021; 63:774-788. [PMID: 34775887 DOI: 10.1080/10428194.2021.1999443] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
Given its rarity, multi-faceted clinical presentation and the relative paucity of approved therapies, the management of myeloproliferative neoplasm (MPN)-associated myelofibrosis (MF) can be challenging. Janus kinase (JAK) inhibitors, the only approved agents at present, have brought many clinical benefits to patients, with prolongation of survival also demonstrated for ruxolitinib. However, these agents have clear limitations. Optimal management of anemia in MF remains a major unmet need. Neither ruxolitinib nor fedratinib is recommended for use in patients with severe thrombocytopenia, i.e. platelets <50 × 109/L, who have a particularly poor prognosis. The search for the optimal partner for JAK inhibitors to address some of the shortcomings of these agents (e.g. limited ability to improve bone marrow fibrosis, cytopenias and induce molecular responses) and achieve meaningful 'disease modification' continues. This has led to the development of a number of rational, preclinically synergistic combinations for use either upfront or in the setting of sub-optimal response to JAK inhibition. Finally, the outlook for patients whose disease progresses on JAK inhibitor therapy continues to be grim, and agents with alternative mechanisms of action may be needed in this setting. In this article, we use a case-based approach to illustrate challenges commonly encountered in clinical practice and our management of the same. Fortunately, there has been enormous growth in drug development efforts in the MF space in the last few years, some of which appear poised to bear fruit in the very near future.
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Affiliation(s)
- Prithviraj Bose
- Department of Leukemia, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Ruben A Mesa
- Mays Cancer Center, UT Health San Antonio MD Anderson, San Antonio, TX, USA
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PARP Inhibitors and Haematological Malignancies-Friend or Foe? Cancers (Basel) 2021; 13:cancers13215328. [PMID: 34771492 PMCID: PMC8582507 DOI: 10.3390/cancers13215328] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Revised: 10/19/2021] [Accepted: 10/22/2021] [Indexed: 12/25/2022] Open
Abstract
Simple Summary PARP inhibitors are a class of orally active drugs that kill a range of cancer types by inducing synthetic lethality. The usefulness of PARP inhibitors for the treatment of haematological malignancies has begun to be explored in a variety of both pre-clinical models and human clinical trials. Despite being largely considered safe and well tolerated, secondary haematological malignancies have arisen in patients following treatment with PARP inhibitors, raising concerns about their use. In this review, we discuss the potential benefits and risks for using PARP inhibitors as treatments for haematological malignancies. Abstract Since their introduction several years ago, poly (ADP-ribose) polymerase (PARP) inhibitors (PARPi) have become the standard of care for breast and gynaecological cancers with BRCA gene mutations. Given that PARPi act by exploiting defective DNA repair mechanisms within tumour cells, they should be ideally suited to combatting haematological malignancies where these pathways are notoriously defective, even though BRCA mutations are rare. To date, despite promising results in vitro, few clinical trials in humans for haematological malignancies have been performed, and additional investigation is required. Paradoxically, secondary haematological malignancies have arisen in patients after treatment with PARPi, raising concerns about their potential use as therapies for any blood or bone marrow-related disorders. Here, we provide a comprehensive review of the biological, pre-clinical, and clinical evidence for and against treating individual haematological malignancies with approved and experimental PARPi. We conclude that the promise of effective treatment still exists, but remains limited by the lack of investigation into useful biomarkers unique to these malignancies.
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Maifrede S, Le BV, Nieborowska-Skorska M, Golovine K, Sullivan-Reed K, Dunuwille WMB, Nacson J, Hulse M, Keith K, Madzo J, Caruso LB, Gazze Z, Lian Z, Padella A, Chitrala KN, Bartholdy BA, Matlawska-Wasowska K, Di Marcantonio D, Simonetti G, Greiner G, Sykes SM, Valent P, Paietta EM, Tallman MS, Fernandez HF, Litzow MR, Minden MD, Huang J, Martinelli G, Vassiliou GS, Tempera I, Piwocka K, Johnson N, Challen GA, Skorski T. TET2 and DNMT3A Mutations Exert Divergent Effects on DNA Repair and Sensitivity of Leukemia Cells to PARP Inhibitors. Cancer Res 2021; 81:5089-5101. [PMID: 34215619 PMCID: PMC8487956 DOI: 10.1158/0008-5472.can-20-3761] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Revised: 02/15/2021] [Accepted: 07/01/2021] [Indexed: 11/16/2022]
Abstract
Somatic variants in TET2 and DNMT3A are founding mutations in hematological malignancies that affect the epigenetic regulation of DNA methylation. Mutations in both genes often co-occur with activating mutations in genes encoding oncogenic tyrosine kinases such as FLT3ITD, BCR-ABL1, JAK2V617F , and MPLW515L , or with mutations affecting related signaling pathways such as NRASG12D and CALRdel52 . Here, we show that TET2 and DNMT3A mutations exert divergent roles in regulating DNA repair activities in leukemia cells expressing these oncogenes. Malignant TET2-deficient cells displayed downregulation of BRCA1 and LIG4, resulting in reduced activity of BRCA1/2-mediated homologous recombination (HR) and DNA-PK-mediated non-homologous end-joining (D-NHEJ), respectively. TET2-deficient cells relied on PARP1-mediated alternative NHEJ (Alt-NHEJ) for protection from the toxic effects of spontaneous and drug-induced DNA double-strand breaks. Conversely, DNMT3A-deficient cells favored HR/D-NHEJ owing to downregulation of PARP1 and reduction of Alt-NHEJ. Consequently, malignant TET2-deficient cells were sensitive to PARP inhibitor (PARPi) treatment in vitro and in vivo, whereas DNMT3A-deficient cells were resistant. Disruption of TET2 dioxygenase activity or TET2-Wilms' tumor 1 (WT1)-binding ability was responsible for DNA repair defects and sensitivity to PARPi associated with TET2 deficiency. Moreover, mutation or deletion of WT1 mimicked the effect of TET2 mutation on DSB repair activity and sensitivity to PARPi. Collectively, these findings reveal that TET2 and WT1 mutations may serve as biomarkers of synthetic lethality triggered by PARPi, which should be explored therapeutically. SIGNIFICANCE: TET2 and DNMT3A mutations affect distinct DNA repair mechanisms and govern the differential sensitivities of oncogenic tyrosine kinase-positive malignant hematopoietic cells to PARP inhibitors.
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Affiliation(s)
- Silvia Maifrede
- Fels Cancer Institute for Personalized Medicine and Sol Sherry Thrombosis Research Center, Temple University Lewis Katz School of Medicine, Philadelphia, Pennsylvania
| | - Bac Viet Le
- Fels Cancer Institute for Personalized Medicine and Sol Sherry Thrombosis Research Center, Temple University Lewis Katz School of Medicine, Philadelphia, Pennsylvania
- Nencki Institute of Experimental Biology, Warsaw, Poland
| | - Margaret Nieborowska-Skorska
- Fels Cancer Institute for Personalized Medicine and Sol Sherry Thrombosis Research Center, Temple University Lewis Katz School of Medicine, Philadelphia, Pennsylvania
| | - Konstantin Golovine
- Fels Cancer Institute for Personalized Medicine and Sol Sherry Thrombosis Research Center, Temple University Lewis Katz School of Medicine, Philadelphia, Pennsylvania
| | - Katherine Sullivan-Reed
- Fels Cancer Institute for Personalized Medicine and Sol Sherry Thrombosis Research Center, Temple University Lewis Katz School of Medicine, Philadelphia, Pennsylvania
| | - Wangisa M B Dunuwille
- Department of Medicine, Division of Oncology, Washington University School of Medicine, Saint Louis, Missouri
| | - Joseph Nacson
- Department of Pathology, Fox Chase Cancer Center, Philadelphia, Pennsylvania
| | - Michael Hulse
- Fels Cancer Institute for Personalized Medicine, Temple University Lewis Katz School of Medicine, Philadelphia, Pennsylvania
| | - Kelsey Keith
- Coriell Institute for Medical Research, Camden, New Jersey
| | - Jozef Madzo
- Coriell Institute for Medical Research, Camden, New Jersey
| | - Lisa Beatrice Caruso
- Fels Cancer Institute for Personalized Medicine, Temple University Lewis Katz School of Medicine, Philadelphia, Pennsylvania
| | - Zachary Gazze
- Fels Cancer Institute for Personalized Medicine and Sol Sherry Thrombosis Research Center, Temple University Lewis Katz School of Medicine, Philadelphia, Pennsylvania
| | - Zhaorui Lian
- Coriell Institute for Medical Research, Camden, New Jersey
| | - Antonella Padella
- IRCCS Istituto Romagnolo per lo Studio dei Tumori (IRST) "Dino Amadori," Meldola, Italy
| | - Kumaraswamy N Chitrala
- Fels Cancer Institute for Personalized Medicine, Temple University Lewis Katz School of Medicine, Philadelphia, Pennsylvania
| | - Boris A Bartholdy
- Department of Cell Biology, Albert Einstein College of Medicine, Bronx, New York
| | - Ksenia Matlawska-Wasowska
- Division of Hematology-Oncology, Department of Pediatrics, University of New Mexico Health Sciences Center, Albuquerque, New Mexico
| | - Daniela Di Marcantonio
- Research Institute of Fox Chase Cancer Center, Immune Cell Development and Host Defense, Philadelphia, Pennsylvania
| | - Giorgia Simonetti
- IRCCS Istituto Romagnolo per lo Studio dei Tumori (IRST) "Dino Amadori," Meldola, Italy
| | - Georg Greiner
- Department of Laboratory Medicine, Medical University of Vienna, Vienna, Austria
| | - Stephen M Sykes
- Research Institute of Fox Chase Cancer Center, Immune Cell Development and Host Defense, Philadelphia, Pennsylvania
| | - Peter Valent
- Division of Hematology and Hemostaseology and Ludwig-Boltzmann Institute for Hematology and Oncology, Medical University of Vienna, Vienna, Austria
| | - Elisabeth M Paietta
- Albert Einstein College of Medicine-Montefiore Medical Center, Bronx, New York
| | - Martin S Tallman
- Center for Hematologic Malignancies, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Hugo F Fernandez
- Moffitt Malignant Hematology and Cellular Therapy at Memorial Healthcare System, Pembroke Pines, Florida
| | - Mark R Litzow
- Division of Hematology, Department of Internal Medicine, Mayo Clinic, Rochester, Minnesota
| | - Mark D Minden
- Princess Margaret Cancer Center, Ontario Cancer Institute, Toronto, Ontario, Canada
| | - Jian Huang
- Coriell Institute for Medical Research, Camden, New Jersey
| | - Giovanni Martinelli
- IRCCS Istituto Romagnolo per lo Studio dei Tumori (IRST) "Dino Amadori," Meldola, Italy
| | - George S Vassiliou
- Wellcome-MRC Cambridge Stem Cell Institute, University of Cambridge, Cambridge, United Kingdom
| | - Italo Tempera
- Fels Cancer Institute for Personalized Medicine, Temple University Lewis Katz School of Medicine, Philadelphia, Pennsylvania
| | | | - Neil Johnson
- Department of Pathology, Fox Chase Cancer Center, Philadelphia, Pennsylvania
| | - Grant A Challen
- Department of Medicine, Division of Oncology, Washington University School of Medicine, Saint Louis, Missouri.
| | - Tomasz Skorski
- Fels Cancer Institute for Personalized Medicine and Sol Sherry Thrombosis Research Center, Temple University Lewis Katz School of Medicine, Philadelphia, Pennsylvania.
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30
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Poly (ADP-ribose) polymerase-1 (PARP1) as a therapeutic target in acute myeloid leukemia and myelodysplastic syndrome. Blood Adv 2021; 5:4794-4805. [PMID: 34529761 PMCID: PMC8759124 DOI: 10.1182/bloodadvances.2021004638] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2021] [Accepted: 07/15/2021] [Indexed: 12/31/2022] Open
Abstract
Poly(ADP‐ribose) polymerase 1 (PARP1) is a key mediator of various forms of DNA damage repair and plays an important role in the progression of several cancer types. The enzyme is activated by binding to DNA single-strand and double-strand breaks. Its contribution to chromatin remodeling makes PARP1 crucial for gene expression regulation. Inhibition of its activity with small molecules leads to the synthetic lethal effect by impeding DNA repair in the treatment of cancer cells. At first, PARP1 inhibitors (PARPis) were developed to target breast cancer mutated cancer cells. Currently, PARPis are being studied to be used in a broader variety of patients either as single agents or in combination with chemotherapy, antiangiogenic agents, ionizing radiation, and immune checkpoint inhibitors. Ongoing clinical trials on olaparib, rucaparib, niraparib, veliparib, and the recent talazoparib show the advantage of these agents in overcoming PARPi resistance and underline their efficacy in targeted treatment of several hematologic malignancies. In this review, focusing on the crucial role of PARP1 in physiological and pathological effects in myelodysplastic syndrome and acute myeloid leukemia, we give an outline of the enzyme’s mechanisms of action and its role in the pathophysiology and prognosis of myelodysplastic syndrome/acute myeloid leukemia and we analyze the available data on the use of PARPis, highlighting their promising advances in clinical application.
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31
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Germline variants in DNA repair genes, including BRCA1/2, may cause familial myeloproliferative neoplasms. Blood Adv 2021; 5:3373-3376. [PMID: 34477817 PMCID: PMC8525218 DOI: 10.1182/bloodadvances.2021004811] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2021] [Accepted: 05/17/2021] [Indexed: 12/30/2022] Open
Abstract
The molecular causes of myeloproliferative neoplasms (MPNs) have not yet been fully elucidated. Approximately 7% to 8% of the patients carry predisposing genetic germline variants that lead to driver mutations, which enhance JAK-STAT signaling. To identify additional predisposing genetic germline variants, we performed whole-exome sequencing in 5 families, each with parent-child or sibling pairs affected by MPNs and carrying the somatic JAK2 V617F mutation. In 4 families, we detected rare germline variants in known tumor predisposition genes of the DNA repair pathway, including the highly penetrant BRCA1 and BRCA2 genes. The identification of an underlying hereditary tumor predisposition is of major relevance for the individual patients as well as for their families in the context of therapeutic options and preventive care. Two patients with essential thrombocythemia or polycythemia vera experienced progression to acute myeloid leukemia, which may suggest a high risk of leukemic transformation in these familial MPNs. Our study demonstrates the relevance of genetic germline diagnostics in elucidating the causes of MPNs and suggests novel therapeutic options (eg, PARP inhibitors) in MPNs. Furthermore, we uncover a broader tumor spectrum upon the detection of a germline mutation in genes of the DNA repair pathway.
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Baumeister J, Maié T, Chatain N, Gan L, Weinbergerova B, de Toledo MAS, Eschweiler J, Maurer A, Mayer J, Kubesova B, Racil Z, Schuppert A, Costa I, Koschmieder S, Brümmendorf TH, Gezer D. Early and late stage MPN patients show distinct gene expression profiles in CD34 + cells. Ann Hematol 2021; 100:2943-2956. [PMID: 34390367 PMCID: PMC8592960 DOI: 10.1007/s00277-021-04615-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2021] [Accepted: 07/11/2021] [Indexed: 12/12/2022]
Abstract
Myeloproliferative neoplasms (MPN), comprising essential thrombocythemia (ET), polycythemia vera (PV), and primary myelofibrosis (PMF), are hematological disorders of the myeloid lineage characterized by hyperproliferation of mature blood cells. The prediction of the clinical course and progression remains difficult and new therapeutic modalities are required. We conducted a CD34+ gene expression study to identify signatures and potential biomarkers in the different MPN subtypes with the aim to improve treatment and prevent the transformation from the rather benign chronic state to a more malignant aggressive state. We report here on a systematic gene expression analysis (GEA) of CD34+ peripheral blood or bone marrow cells derived from 30 patients with MPN including all subtypes (ET (n = 6), PV (n = 11), PMF (n = 9), secondary MF (SMF; post-ET-/post-PV-MF; n = 4)) and six healthy donors. GEA revealed a variety of differentially regulated genes in the different MPN subtypes vs. controls, with a higher number in PMF/SMF (200/272 genes) than in ET/PV (132/121). PROGENγ analysis revealed significant induction of TNFα/NF-κB signaling (particularly in SMF) and reduction of estrogen signaling (PMF and SMF). Consistently, inflammatory GO terms were enriched in PMF/SMF, whereas RNA splicing–associated biological processes were downregulated in PMF. Differentially regulated genes that might be utilized as diagnostic/prognostic markers were identified, such as AREG, CYBB, DNTT, TIMD4, VCAM1, and S100 family members (S100A4/8/9/10/12). Additionally, 98 genes (including CLEC1B, CMTM5, CXCL8, DACH1, and RADX) were deregulated solely in SMF and may be used to predict progression from early to late stage MPN.
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Affiliation(s)
- Julian Baumeister
- Department of Hematology, Oncology, Hemostaseology, and Stem Cell Transplantation, Faculty of Medicine, RWTH Aachen University, Aachen, Germany.,Center for Integrated Oncology, Aachen Bonn Cologne Duesseldorf (CIO ABCD), Aachen, Germany
| | - Tiago Maié
- Center for Integrated Oncology, Aachen Bonn Cologne Duesseldorf (CIO ABCD), Aachen, Germany.,Institute for Computational Genomics, RWTH Aachen University, Aachen, Germany
| | - Nicolas Chatain
- Department of Hematology, Oncology, Hemostaseology, and Stem Cell Transplantation, Faculty of Medicine, RWTH Aachen University, Aachen, Germany.,Center for Integrated Oncology, Aachen Bonn Cologne Duesseldorf (CIO ABCD), Aachen, Germany
| | - Lin Gan
- IZKF Genomics Core Facility, RWTH Aachen University Medical School, Aachen, Germany
| | - Barbora Weinbergerova
- Department of Internal Medicine, Hematology and Oncology, Masaryk University and University Hospital Brno, Brno, Czech Republic
| | - Marcelo A S de Toledo
- Department of Hematology, Oncology, Hemostaseology, and Stem Cell Transplantation, Faculty of Medicine, RWTH Aachen University, Aachen, Germany.,Center for Integrated Oncology, Aachen Bonn Cologne Duesseldorf (CIO ABCD), Aachen, Germany
| | - Jörg Eschweiler
- Department of Orthopedic Surgery, University Hospital RWTH Aachen, Aachen, Germany
| | - Angela Maurer
- Department of Hematology, Oncology, Hemostaseology, and Stem Cell Transplantation, Faculty of Medicine, RWTH Aachen University, Aachen, Germany.,Center for Integrated Oncology, Aachen Bonn Cologne Duesseldorf (CIO ABCD), Aachen, Germany
| | - Jiri Mayer
- Department of Internal Medicine, Hematology and Oncology, Masaryk University and University Hospital Brno, Brno, Czech Republic
| | - Blanka Kubesova
- Department of Internal Medicine, Hematology and Oncology, Masaryk University and University Hospital Brno, Brno, Czech Republic
| | - Zdenek Racil
- Institute of Hematology and Blood Transfusion, Prague, Czech Republic
| | - Andreas Schuppert
- Center for Integrated Oncology, Aachen Bonn Cologne Duesseldorf (CIO ABCD), Aachen, Germany.,Joint Research Center for Computational Biomedicine, RWTH Aachen, Aachen, Germany
| | - Ivan Costa
- Center for Integrated Oncology, Aachen Bonn Cologne Duesseldorf (CIO ABCD), Aachen, Germany.,Institute for Computational Genomics, RWTH Aachen University, Aachen, Germany
| | - Steffen Koschmieder
- Department of Hematology, Oncology, Hemostaseology, and Stem Cell Transplantation, Faculty of Medicine, RWTH Aachen University, Aachen, Germany.,Center for Integrated Oncology, Aachen Bonn Cologne Duesseldorf (CIO ABCD), Aachen, Germany
| | - Tim H Brümmendorf
- Department of Hematology, Oncology, Hemostaseology, and Stem Cell Transplantation, Faculty of Medicine, RWTH Aachen University, Aachen, Germany.,Center for Integrated Oncology, Aachen Bonn Cologne Duesseldorf (CIO ABCD), Aachen, Germany
| | - Deniz Gezer
- Department of Hematology, Oncology, Hemostaseology, and Stem Cell Transplantation, Faculty of Medicine, RWTH Aachen University, Aachen, Germany. .,Center for Integrated Oncology, Aachen Bonn Cologne Duesseldorf (CIO ABCD), Aachen, Germany.
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33
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High-throughput drug screening identifies the ATR-CHK1 pathway as a therapeutic vulnerability of CALR mutated hematopoietic cells. Blood Cancer J 2021; 11:137. [PMID: 34333533 PMCID: PMC8325683 DOI: 10.1038/s41408-021-00531-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2021] [Revised: 07/20/2021] [Accepted: 07/23/2021] [Indexed: 12/13/2022] Open
Abstract
Mutations of calreticulin (CALR) are the second most prevalent driver mutations in essential thrombocythemia and primary myelofibrosis. To identify potential targeted therapies for CALR mutated myeloproliferative neoplasms, we searched for small molecules that selectively inhibit the growth of CALR mutated cells using high-throughput drug screening. We investigated 89 172 compounds using isogenic cell lines carrying CALR mutations and identified synthetic lethality with compounds targeting the ATR-CHK1 pathway. The selective inhibitory effect of these compounds was validated in a co-culture assay of CALR mutated and wild-type cells. Of the tested compounds, CHK1 inhibitors potently depleted CALR mutated cells, allowing wild-type cell dominance in the co-culture over time. Neither CALR deficient cells nor JAK2V617F mutated cells showed hypersensitivity to ATR-CHK1 inhibition, thus suggesting specificity for the oncogenic activation by the mutant CALR. CHK1 inhibitors induced replication stress in CALR mutated cells revealed by elevated pan-nuclear staining for γH2AX and hyperphosphorylation of RPA2. This was accompanied by S-phase cell cycle arrest due to incomplete DNA replication. Transcriptomic and phosphoproteomic analyses revealed a replication stress signature caused by oncogenic CALR, suggesting an intrinsic vulnerability to CHK1 perturbation. This study reveals the ATR-CHK1 pathway as a potential therapeutic target in CALR mutated hematopoietic cells.
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34
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Shide K. Calreticulin mutations in myeloproliferative neoplasms. INTERNATIONAL REVIEW OF CELL AND MOLECULAR BIOLOGY 2021; 365:179-226. [PMID: 34756244 DOI: 10.1016/bs.ircmb.2021.05.005] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Calreticulin (CALR) is a chaperone present in the endoplasmic reticulum, which is involved in the quality control of N-glycosylated proteins and storage of calcium ions. In 2013, the C-terminal mutation in CALR was identified in half of the patients with essential thrombocythemia and primary myelofibrosis who did not have a JAK2 or MPL mutation. The results of 8 years of intensive research are changing the clinical practice associated with treating myeloproliferative neoplasms (MPNs). The presence or absence of CALR mutations and their mutation types already provide important information for diagnosis and treatment decision making. In addition, the interaction with the thrombopoietin receptor MPL, which is the main mechanism of transformation by CALR mutation, and the expression of the mutant protein on the cell surface have a great potential as targets for molecular-targeted drugs and immunotherapy. This chapter presents recent findings on the clinical significance of the CALR mutation and the molecular basis by which this mutation drives MPNs.
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Affiliation(s)
- Kotaro Shide
- Division of Haematology, Diabetes, and Endocrinology, Department of Internal Medicine, Faculty of Medicine, University of Miyazaki, Miyazaki, Japan.
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35
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Feldman T, Bercovich A, Moskovitz Y, Chapal-Ilani N, Mitchell A, Medeiros JJF, Biezuner T, Kaushansky N, Minden MD, Gupta V, Milyavsky M, Livneh Z, Tanay A, Shlush LI. Recurrent deletions in clonal hematopoiesis are driven by microhomology-mediated end joining. Nat Commun 2021; 12:2455. [PMID: 33911081 PMCID: PMC8080710 DOI: 10.1038/s41467-021-22803-y] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2020] [Accepted: 03/29/2021] [Indexed: 01/19/2023] Open
Abstract
The mutational mechanisms underlying recurrent deletions in clonal hematopoiesis are not entirely clear. In the current study we inspect the genomic regions around recurrent deletions in myeloid malignancies, and identify microhomology-based signatures in CALR, ASXL1 and SRSF2 loci. We demonstrate that these deletions are the result of double stand break repair by a PARP1 dependent microhomology-mediated end joining (MMEJ) pathway. Importantly, we provide evidence that these recurrent deletions originate in pre-leukemic stem cells. While DNA polymerase theta (POLQ) is considered a key component in MMEJ repair, we provide evidence that pre-leukemic MMEJ (preL-MMEJ) deletions can be generated in POLQ knockout cells. In contrast, aphidicolin (an inhibitor of replicative polymerases and replication) treatment resulted in a significant reduction in preL-MMEJ. Altogether, our data indicate an association between POLQ independent MMEJ and clonal hematopoiesis and elucidate mutational mechanisms involved in the very first steps of leukemia evolution.
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Affiliation(s)
- Tzah Feldman
- Department of Immunology, Weizmann Institute of Science, Rehovot, Israel
| | - Akhiad Bercovich
- Department of Computer Science and Applied Mathematics, Weizmann Institute of Science, Rehovot, Israel
| | - Yoni Moskovitz
- Department of Immunology, Weizmann Institute of Science, Rehovot, Israel
| | - Noa Chapal-Ilani
- Department of Immunology, Weizmann Institute of Science, Rehovot, Israel
| | - Amanda Mitchell
- Princess Margaret Cancer Centre, University Health Network (UHN), Toronto, ON, Canada
| | - Jessie J F Medeiros
- Princess Margaret Cancer Centre, University Health Network (UHN), Toronto, ON, Canada
- Department of Molecular Genetics, University of Toronto, Toronto, ON, Canada
| | - Tamir Biezuner
- Department of Immunology, Weizmann Institute of Science, Rehovot, Israel
| | - Nathali Kaushansky
- Department of Immunology, Weizmann Institute of Science, Rehovot, Israel
| | - Mark D Minden
- Princess Margaret Cancer Centre, University Health Network (UHN), Toronto, ON, Canada
- Department of Medical Biophysics, University of Toronto, Toronto, ON, Canada
- Department of Medicine, University of Toronto, Toronto, ON, Canada
- Division of Medical Oncology and Hematology, University Health Network, Toronto, ON, Canada
| | - Vikas Gupta
- Princess Margaret Cancer Centre, University Health Network (UHN), Toronto, ON, Canada
- Department of Medicine, University of Toronto, Toronto, ON, Canada
- Division of Medical Oncology and Hematology, University Health Network, Toronto, ON, Canada
| | - Michael Milyavsky
- Department of Pathology, Tel-Aviv University, Tel-Aviv, Israel
- Sackler Faculty of Medicine, Tel-Aviv University, Tel-Aviv, Israel
| | - Zvi Livneh
- Department of Biomolecular Sciences, Weizmann Institute of Science, Rehovot, Israel
| | - Amos Tanay
- Department of Computer Science and Applied Mathematics, Weizmann Institute of Science, Rehovot, Israel
| | - Liran I Shlush
- Department of Immunology, Weizmann Institute of Science, Rehovot, Israel.
- Princess Margaret Cancer Centre, University Health Network (UHN), Toronto, ON, Canada.
- Division of Hematology, Rambam Healthcare Campus, Haifa, Israel.
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36
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Morsia E, Gangat N. Myelofibrosis: challenges for preclinical models and emerging therapeutic targets. Expert Opin Ther Targets 2021; 25:211-222. [PMID: 33844952 DOI: 10.1080/14728222.2021.1915992] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Introduction: Myelofibrosis (MF) is characterized by anemia, splenomegaly, constitutional symptoms and bone marrow fibrosis. MF has no curative treatment to date, except for a small subset of patients that are eligible for allogeneic hematopoietic stem cell transplant. The discovery in recent years of the MF mutational landscape and the role of bone marrow microenvironment in disease pathogenesis has led to further insights into disease biology and consequentially rationally derived therapies.Areas covered: We searched PubMed/Medline/American Society of Hematology (ASH) abstracts until November 2020 using the following terms: myelofibrosis, mouse models, pre-clinical studies and clinical trials. The development of targeted therapies is aimed to modify the history of the disease. Although JAK inhibitors showed encouraging results in terms of spleen and symptoms response, long term remissions and disease modifying ability is lacking. Beyond JAK inhibitors, a range of agents targeting proliferative, metabolic, apoptotic pathways, the microenvironment, epigenetic modification and immunomodulation are in various stages of investigations. We review pre-clinical data, preliminary clinical results of these agents, and finally offer insights on the management of MF patients.Expert opinion: MF patients refractory or with suboptimal response to JAK inhibitors, may be managed by addition of agents with differing mechanisms, such as bromodomain (BET), lysine demethylase 1 (LSD1), MDM2, or Bcl-Xl inhibitors which could prevent emergence of resistance. Immunotherapies as long-acting interferons, and calreticulin directed antibodies or peptide vaccination are eagerly awaited. Historically, therapeutic challenges in MF have arisen due to the fact that rationally derived therapies that are based on murine models have limited impact on fibrosis and underlying disease biology in human studies, the latter illustrates the complex multi-faceted disease pathogenesis of MF. Together, we not only suggest individualized therapy in MF that is guided by genomic signature but also its early implementation potentially in prefibrotic MF.
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Affiliation(s)
- Erika Morsia
- Division of Hematology, Mayo Clinic, Rochester, MN, USA
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37
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Giansanti M, De Gabrieli A, Prete SP, Ottone T, Divona MD, Karimi T, Ciccarone F, Voso MT, Graziani G, Faraoni I. Poly(ADP-Ribose) Polymerase Inhibitors for Arsenic Trioxide-Resistant Acute Promyelocytic Leukemia: Synergistic In Vitro Antitumor Effects with Hypomethylating Agents or High-Dose Vitamin C. J Pharmacol Exp Ther 2021; 377:385-397. [PMID: 33820831 DOI: 10.1124/jpet.121.000537] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2021] [Accepted: 03/29/2021] [Indexed: 11/22/2022] Open
Abstract
Arsenic trioxide (ATO) is an anticancer agent used for the treatment ofacute promyelocytic leukemia (APL). However, 5%-10% of patients fail to respond or experience disease relapse. Based on poly(ADP-ribose) polymerase (PARP) 1 involvement in the processing of DNA demethylation, here we have tested the in vitro susceptibility of ATO-resistant clones (derived from the human APL cell line NB4) to PARP inhibitors (PARPi) in combination with hypomethylating agents (azacitidine and decitabine) or high-dose vitamin C (ascorbate), which induces 5-hydroxymethylcytosine (5hmC)-mediated DNA demethylation. ATO-sensitive and -resistant APL cell clones were generated and initially analyzed for their susceptibility to five clinically used PARPi (olaparib, niraparib, rucaparib, veliparib, and talazoparib). The obtained PARPi IC50 values were far below (olaparib and niraparib), within the range (talazoparib), or above (rucaparib and veliparib) the C max reported in patients, likely as a result of differences in the mechanisms of their cytotoxic activity. ATO-resistant APL cells were also susceptible to clinically relevant concentrations of azacitidine and decitabine and to high-dose ascorbate. Interestingly, the combination of these agents with olaparib, niraparib, or talazoparib resulted in synergistic antitumor activity. In combination with ascorbate, PARPi increased the ascorbate-mediated induction of 5hmC, which likely resulted in stalled DNA repair and cytotoxicity. Talazoparib was the most effective PARPi in synergizing with ascorbate, in accordance with its marked ability to trap PARP1 at damaged DNA. These findings suggest that ATO and PARPi have nonoverlapping resistance mechanisms and support further investigation on PARPi combination with hypomethylating agents or high-dose ascorbate for relapsed/ATO-refractory APL, especially in frail patients. SIGNIFICANCE STATEMENT: This study found that poly(ADP-ribose) inhibitors (PARPi) show activity as single agents against human acute promyelocytic leukemia cells resistant to arsenic trioxide at clinically relevant concentrations. Furthermore, PARPi enhance the in vitro efficacy of azacitidine, decitabine, and high-dose vitamin C, all agents that alter DNA methylation. In combination with vitamin C, PARPi increase the levels of 5-hydroxymethylcytosine, likely as a result of altered processing of the oxidized intermediates associated with DNA demethylation.
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Affiliation(s)
- Manuela Giansanti
- Pharmacology Section, Department of Systems Medicine, University of Rome Tor Vergata, Rome, Italy (M.G., A.D.G., S.P.P., T.K., G.G., I.F.); Department of Physiology and Pharmacology "V. Erspamer," Sapienza University of Rome, Rome, Italy (M.G.); Department of Biomedicine and Prevention, University of Rome Tor Vergata, Rome, Italy (T.O., M.D., M.T.V.); Unit of Neuro-Oncohematology, Santa Lucia Foundation-IRCCS, Rome, Italy (T.O., M.T.V.); and IRCCS San Raffaele Pisana, Department of Human Sciences and Promotion of the Quality of Life, San Raffaele Roma Open University, Rome, Italy (F.C.)
| | - Antonio De Gabrieli
- Pharmacology Section, Department of Systems Medicine, University of Rome Tor Vergata, Rome, Italy (M.G., A.D.G., S.P.P., T.K., G.G., I.F.); Department of Physiology and Pharmacology "V. Erspamer," Sapienza University of Rome, Rome, Italy (M.G.); Department of Biomedicine and Prevention, University of Rome Tor Vergata, Rome, Italy (T.O., M.D., M.T.V.); Unit of Neuro-Oncohematology, Santa Lucia Foundation-IRCCS, Rome, Italy (T.O., M.T.V.); and IRCCS San Raffaele Pisana, Department of Human Sciences and Promotion of the Quality of Life, San Raffaele Roma Open University, Rome, Italy (F.C.)
| | - Salvatore Pasquale Prete
- Pharmacology Section, Department of Systems Medicine, University of Rome Tor Vergata, Rome, Italy (M.G., A.D.G., S.P.P., T.K., G.G., I.F.); Department of Physiology and Pharmacology "V. Erspamer," Sapienza University of Rome, Rome, Italy (M.G.); Department of Biomedicine and Prevention, University of Rome Tor Vergata, Rome, Italy (T.O., M.D., M.T.V.); Unit of Neuro-Oncohematology, Santa Lucia Foundation-IRCCS, Rome, Italy (T.O., M.T.V.); and IRCCS San Raffaele Pisana, Department of Human Sciences and Promotion of the Quality of Life, San Raffaele Roma Open University, Rome, Italy (F.C.)
| | - Tiziana Ottone
- Pharmacology Section, Department of Systems Medicine, University of Rome Tor Vergata, Rome, Italy (M.G., A.D.G., S.P.P., T.K., G.G., I.F.); Department of Physiology and Pharmacology "V. Erspamer," Sapienza University of Rome, Rome, Italy (M.G.); Department of Biomedicine and Prevention, University of Rome Tor Vergata, Rome, Italy (T.O., M.D., M.T.V.); Unit of Neuro-Oncohematology, Santa Lucia Foundation-IRCCS, Rome, Italy (T.O., M.T.V.); and IRCCS San Raffaele Pisana, Department of Human Sciences and Promotion of the Quality of Life, San Raffaele Roma Open University, Rome, Italy (F.C.)
| | - Maria Domenica Divona
- Pharmacology Section, Department of Systems Medicine, University of Rome Tor Vergata, Rome, Italy (M.G., A.D.G., S.P.P., T.K., G.G., I.F.); Department of Physiology and Pharmacology "V. Erspamer," Sapienza University of Rome, Rome, Italy (M.G.); Department of Biomedicine and Prevention, University of Rome Tor Vergata, Rome, Italy (T.O., M.D., M.T.V.); Unit of Neuro-Oncohematology, Santa Lucia Foundation-IRCCS, Rome, Italy (T.O., M.T.V.); and IRCCS San Raffaele Pisana, Department of Human Sciences and Promotion of the Quality of Life, San Raffaele Roma Open University, Rome, Italy (F.C.)
| | - Terry Karimi
- Pharmacology Section, Department of Systems Medicine, University of Rome Tor Vergata, Rome, Italy (M.G., A.D.G., S.P.P., T.K., G.G., I.F.); Department of Physiology and Pharmacology "V. Erspamer," Sapienza University of Rome, Rome, Italy (M.G.); Department of Biomedicine and Prevention, University of Rome Tor Vergata, Rome, Italy (T.O., M.D., M.T.V.); Unit of Neuro-Oncohematology, Santa Lucia Foundation-IRCCS, Rome, Italy (T.O., M.T.V.); and IRCCS San Raffaele Pisana, Department of Human Sciences and Promotion of the Quality of Life, San Raffaele Roma Open University, Rome, Italy (F.C.)
| | - Fabio Ciccarone
- Pharmacology Section, Department of Systems Medicine, University of Rome Tor Vergata, Rome, Italy (M.G., A.D.G., S.P.P., T.K., G.G., I.F.); Department of Physiology and Pharmacology "V. Erspamer," Sapienza University of Rome, Rome, Italy (M.G.); Department of Biomedicine and Prevention, University of Rome Tor Vergata, Rome, Italy (T.O., M.D., M.T.V.); Unit of Neuro-Oncohematology, Santa Lucia Foundation-IRCCS, Rome, Italy (T.O., M.T.V.); and IRCCS San Raffaele Pisana, Department of Human Sciences and Promotion of the Quality of Life, San Raffaele Roma Open University, Rome, Italy (F.C.)
| | - Maria Teresa Voso
- Pharmacology Section, Department of Systems Medicine, University of Rome Tor Vergata, Rome, Italy (M.G., A.D.G., S.P.P., T.K., G.G., I.F.); Department of Physiology and Pharmacology "V. Erspamer," Sapienza University of Rome, Rome, Italy (M.G.); Department of Biomedicine and Prevention, University of Rome Tor Vergata, Rome, Italy (T.O., M.D., M.T.V.); Unit of Neuro-Oncohematology, Santa Lucia Foundation-IRCCS, Rome, Italy (T.O., M.T.V.); and IRCCS San Raffaele Pisana, Department of Human Sciences and Promotion of the Quality of Life, San Raffaele Roma Open University, Rome, Italy (F.C.)
| | - Grazia Graziani
- Pharmacology Section, Department of Systems Medicine, University of Rome Tor Vergata, Rome, Italy (M.G., A.D.G., S.P.P., T.K., G.G., I.F.); Department of Physiology and Pharmacology "V. Erspamer," Sapienza University of Rome, Rome, Italy (M.G.); Department of Biomedicine and Prevention, University of Rome Tor Vergata, Rome, Italy (T.O., M.D., M.T.V.); Unit of Neuro-Oncohematology, Santa Lucia Foundation-IRCCS, Rome, Italy (T.O., M.T.V.); and IRCCS San Raffaele Pisana, Department of Human Sciences and Promotion of the Quality of Life, San Raffaele Roma Open University, Rome, Italy (F.C.)
| | - Isabella Faraoni
- Pharmacology Section, Department of Systems Medicine, University of Rome Tor Vergata, Rome, Italy (M.G., A.D.G., S.P.P., T.K., G.G., I.F.); Department of Physiology and Pharmacology "V. Erspamer," Sapienza University of Rome, Rome, Italy (M.G.); Department of Biomedicine and Prevention, University of Rome Tor Vergata, Rome, Italy (T.O., M.D., M.T.V.); Unit of Neuro-Oncohematology, Santa Lucia Foundation-IRCCS, Rome, Italy (T.O., M.T.V.); and IRCCS San Raffaele Pisana, Department of Human Sciences and Promotion of the Quality of Life, San Raffaele Roma Open University, Rome, Italy (F.C.)
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Reddig A, Voss L, Guttek K, Roggenbuck D, Feist E, Reinhold D. Impact of Different JAK Inhibitors and Methotrexate on Lymphocyte Proliferation and DNA Damage. J Clin Med 2021; 10:jcm10071431. [PMID: 33916057 PMCID: PMC8036268 DOI: 10.3390/jcm10071431] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2021] [Revised: 03/25/2021] [Accepted: 03/29/2021] [Indexed: 12/13/2022] Open
Abstract
Janus kinase inhibitors (JAKis) represent a new strategy in rheumatoid arthritis (RA) therapy. Still, data directly comparing different JAKis are rare. In the present in vitro study, we investigated the immunomodulatory potential of four JAKis (tofacitinib, baricitinib, upadacitinib, and filgotinib) currently approved for RA treatment by the European Medicines Agency. Increasing concentrations of JAKi or methotrexate, conventionally used in RA therapy, were either added to freshly mitogen-stimulated or preactivated peripheral blood mononuclear cells (PBMC), isolated from healthy volunteers. A comparable, dose-dependent inhibition of lymphocyte proliferation was observed in samples treated with tofacitinib, baricitinib, and upadacitinib, while dosage of filgotinib had to be two orders of magnitude higher. In contrast, antiproliferative effects were strongly attenuated when JAKi were added to preactivated PBMCs. High dosage of upadacitinib and filgotinib also affected cell viability. Further, analyses of DNA double-strand break markers γH2AX and 53BP1 indicated an enhanced level of DNA damage in cells incubated with high concentrations of filgotinib and a dose-dependent reduction in clearance of radiation-induced γH2AX foci in the presence of tofacitinib or baricitinib. Thereby, our study demonstrated a broad comparability of immunomodulatory effects induced by different JAKi and provided first indications, that (pan)JAKi may impair DNA damage repair in irradiated PBMCs.
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Affiliation(s)
- Annika Reddig
- Institute of Molecular and Clinical Immunology, Otto-Von-Guericke-University Magdeburg, 39120 Magdeburg, Germany; (L.V.); (K.G.); (D.R.)
- Correspondence: ; Tel.: +49-391-67-17842
| | - Linda Voss
- Institute of Molecular and Clinical Immunology, Otto-Von-Guericke-University Magdeburg, 39120 Magdeburg, Germany; (L.V.); (K.G.); (D.R.)
| | - Karina Guttek
- Institute of Molecular and Clinical Immunology, Otto-Von-Guericke-University Magdeburg, 39120 Magdeburg, Germany; (L.V.); (K.G.); (D.R.)
| | - Dirk Roggenbuck
- Institute of Biotechnology, Faculty Environment and Natural Sciences, Brandenburg University of Technology Cottbus-Senftenberg, 01968 Senftenberg, Germany;
- Faculty of Health Sciences, Joint Faculty of the Brandenburg University of Technology Cottbus-Senftenberg, the Brandenburg Medical School Theodor Fontane and the University of Potsdam, 01968 Senftenberg, Germany
| | - Eugen Feist
- Helios-Department of Rheumatology, Cooperation Partner of the Otto-Von-Guericke-University, 39245 Vogelsang-Gommern, Germany;
| | - Dirk Reinhold
- Institute of Molecular and Clinical Immunology, Otto-Von-Guericke-University Magdeburg, 39120 Magdeburg, Germany; (L.V.); (K.G.); (D.R.)
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Pemmaraju N, Chen NC, Verstovsek S. Immunotherapy and Immunomodulation in Myeloproliferative Neoplasms. Hematol Oncol Clin North Am 2021; 35:409-429. [PMID: 33641877 DOI: 10.1016/j.hoc.2020.12.007] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Myeloproliferative neoplasms are characterized by chronic inflammation. The discovery of constitutively active JAK-STAT signaling associated with driver mutations has led to clinical and translational breakthroughs. Insights into the other pathways and novel factors of potential importance are being actively investigated. Various classes of agents with immunomodulating or immunosuppressive properties have been used with varying degrees of success in treating myeloproliferative neoplasms. Early clinical trials are investigating the feasibility, effectiveness, and safety of immune checkpoint inhibitors, cell-based immunotherapies, and SMAC mimetics. The dynamic landscape of immunotherapy and immunomodulation in myeloproliferative neoplasms is the topic of the present review.
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Affiliation(s)
- Naveen Pemmaraju
- Department of Leukemia, The University of Texas MD Anderson Cancer Center, 1515 Holcombe Boulevard #3000, Houston, TX 77030, USA.
| | - Natalie C Chen
- Department of Internal Medicine, The University of Texas School of Health Sciences at Houston, 6431 Fannin, MSB 1.150, Houston, TX 77030, USA
| | - Srdan Verstovsek
- Department of Leukemia, The University of Texas MD Anderson Cancer Center, 1515 Holcombe Boulevard #428, Houston, TX 77030, USA
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40
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Yung Y, Lee E, Chu HT, Yip PK, Gill H. Targeting Abnormal Hematopoietic Stem Cells in Chronic Myeloid Leukemia and Philadelphia Chromosome-Negative Classical Myeloproliferative Neoplasms. Int J Mol Sci 2021; 22:ijms22020659. [PMID: 33440869 PMCID: PMC7827471 DOI: 10.3390/ijms22020659] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Revised: 01/05/2021] [Accepted: 01/06/2021] [Indexed: 02/02/2023] Open
Abstract
Myeloproliferative neoplasms (MPNs) are unique hematopoietic stem cell disorders sharing mutations that constitutively activate the signal-transduction pathways involved in haematopoiesis. They are characterized by stem cell-derived clonal myeloproliferation. The key MPNs comprise chronic myeloid leukemia (CML), polycythemia vera (PV), essential thrombocythemia (ET), and primary myelofibrosis (PMF). CML is defined by the presence of the Philadelphia (Ph) chromosome and BCR-ABL1 fusion gene. Despite effective cytoreductive agents and targeted therapy, complete CML/MPN stem cell eradication is rarely achieved. In this review article, we discuss the novel agents and combination therapy that can potentially abnormal hematopoietic stem cells in CML and MPNs and the CML/MPN stem cell-sustaining bone marrow microenvironment.
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MESH Headings
- Antineoplastic Agents/pharmacology
- Antineoplastic Agents/therapeutic use
- Antineoplastic Combined Chemotherapy Protocols/adverse effects
- Antineoplastic Combined Chemotherapy Protocols/therapeutic use
- Autophagy
- Biomarkers, Tumor
- Cell Survival/drug effects
- Cell Transformation, Neoplastic/genetics
- Combined Modality Therapy
- Disease Susceptibility
- Genetic Predisposition to Disease
- Hematopoietic Stem Cells/drug effects
- Hematopoietic Stem Cells/metabolism
- Hematopoietic Stem Cells/pathology
- Humans
- Leukemia, Myelogenous, Chronic, BCR-ABL Positive/etiology
- Leukemia, Myelogenous, Chronic, BCR-ABL Positive/pathology
- Leukemia, Myelogenous, Chronic, BCR-ABL Positive/therapy
- Molecular Targeted Therapy
- Myeloproliferative Disorders/etiology
- Myeloproliferative Disorders/pathology
- Myeloproliferative Disorders/therapy
- Neoplastic Stem Cells/drug effects
- Neoplastic Stem Cells/metabolism
- Neoplastic Stem Cells/pathology
- Philadelphia Chromosome
- Signal Transduction/drug effects
- Stem Cell Niche
- Tumor Microenvironment
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Affiliation(s)
| | | | | | | | - Harinder Gill
- Correspondence: ; Tel.: +852-2255-4542; Fax: +852-2816-2863
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Pastore F, Bhagwat N, Pastore A, Radzisheuskaya A, Karzai A, Krishnan A, Li B, Bowman RL, Xiao W, Viny AD, Zouak A, Park YC, Cordner KB, Braunstein S, Maag JL, Grego A, Mehta J, Wang M, Lin H, Durham BH, Koche RP, Rampal RK, Helin K, Scherle P, Vaddi K, Levine RL. PRMT5 Inhibition Modulates E2F1 Methylation and Gene-Regulatory Networks Leading to Therapeutic Efficacy in JAK2 V617F-Mutant MPN. Cancer Discov 2020; 10:1742-1757. [PMID: 32669286 PMCID: PMC7642059 DOI: 10.1158/2159-8290.cd-20-0026] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2020] [Revised: 05/26/2020] [Accepted: 07/10/2020] [Indexed: 11/16/2022]
Abstract
We investigated the role of PRMT5 in myeloproliferative neoplasm (MPN) pathogenesis and aimed to elucidate key PRMT5 targets contributing to MPN maintenance. PRMT5 is overexpressed in primary MPN cells, and PRMT5 inhibition potently reduced MPN cell proliferation ex vivo. PRMT5 inhibition was efficacious at reversing elevated hematocrit, leukocytosis, and splenomegaly in a model of JAK2V617F+ polycythemia vera and leukocyte and platelet counts, hepatosplenomegaly, and fibrosis in the MPLW515L model of myelofibrosis. Dual targeting of JAK and PRMT5 was superior to JAK or PRMT5 inhibitor monotherapy, further decreasing elevated counts and extramedullary hematopoiesis in vivo. PRMT5 inhibition reduced expression of E2F targets and altered the methylation status of E2F1 leading to attenuated DNA damage repair, cell-cycle arrest, and increased apoptosis. Our data link PRMT5 to E2F1 regulatory function and MPN cell survival and provide a strong mechanistic rationale for clinical trials of PRMT5 inhibitors in MPN. SIGNIFICANCE: Expression of PRMT5 and E2F targets is increased in JAK2V617F+ MPN. Pharmacologic inhibition of PRMT5 alters the methylation status of E2F1 and shows efficacy in JAK2V617F/MPLW515L MPN models and primary samples. PRMT5 represents a potential novel therapeutic target for MPN, which is now being clinically evaluated.This article is highlighted in the In This Issue feature, p. 1611.
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Affiliation(s)
- Friederike Pastore
- Molecular Cancer Medicine Service, Human Oncology and Pathogenesis Program, Memorial Sloan Kettering Cancer Center, New York, New York
- Center for Epigenetics Research, Memorial Sloan Kettering Cancer Center, New York, New York
| | | | - Alessandro Pastore
- Molecular Cancer Medicine Service, Human Oncology and Pathogenesis Program, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Aliaksandra Radzisheuskaya
- Center for Epigenetics Research, Memorial Sloan Kettering Cancer Center, New York, New York
- Cell Biology Program, Memorial Sloan Kettering CancerCenter, New York, New York
| | - Abdul Karzai
- Molecular Cancer Medicine Service, Human Oncology and Pathogenesis Program, Memorial Sloan Kettering Cancer Center, New York, New York
- Center for Epigenetics Research, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Aishwarya Krishnan
- Molecular Cancer Medicine Service, Human Oncology and Pathogenesis Program, Memorial Sloan Kettering Cancer Center, New York, New York
- Center for Epigenetics Research, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Bing Li
- Molecular Cancer Medicine Service, Human Oncology and Pathogenesis Program, Memorial Sloan Kettering Cancer Center, New York, New York
- Center for Epigenetics Research, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Robert L Bowman
- Molecular Cancer Medicine Service, Human Oncology and Pathogenesis Program, Memorial Sloan Kettering Cancer Center, New York, New York
- Center for Epigenetics Research, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Wenbin Xiao
- Molecular Cancer Medicine Service, Human Oncology and Pathogenesis Program, Memorial Sloan Kettering Cancer Center, New York, New York
- Center for Epigenetics Research, Memorial Sloan Kettering Cancer Center, New York, New York
- Hematopathology Service, Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Aaron D Viny
- Molecular Cancer Medicine Service, Human Oncology and Pathogenesis Program, Memorial Sloan Kettering Cancer Center, New York, New York
- Center for Epigenetics Research, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Anouar Zouak
- Molecular Cancer Medicine Service, Human Oncology and Pathogenesis Program, Memorial Sloan Kettering Cancer Center, New York, New York
- Center for Epigenetics Research, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Young C Park
- Molecular Cancer Medicine Service, Human Oncology and Pathogenesis Program, Memorial Sloan Kettering Cancer Center, New York, New York
- Center for Epigenetics Research, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Keith B Cordner
- Molecular Cancer Medicine Service, Human Oncology and Pathogenesis Program, Memorial Sloan Kettering Cancer Center, New York, New York
- Center for Epigenetics Research, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Stephanie Braunstein
- Molecular Cancer Medicine Service, Human Oncology and Pathogenesis Program, Memorial Sloan Kettering Cancer Center, New York, New York
- Center for Epigenetics Research, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Jesper L Maag
- Center for Epigenetics Research, Memorial Sloan Kettering Cancer Center, New York, New York
| | | | | | - Min Wang
- Prelude Therapeutics Inc., Wilmington, Delaware
| | - Hong Lin
- Prelude Therapeutics Inc., Wilmington, Delaware
| | - Benjamin H Durham
- Molecular Cancer Medicine Service, Human Oncology and Pathogenesis Program, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Richard P Koche
- Center for Epigenetics Research, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Raajit K Rampal
- Molecular Cancer Medicine Service, Human Oncology and Pathogenesis Program, Memorial Sloan Kettering Cancer Center, New York, New York
- Leukemia Service, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Kristian Helin
- Center for Epigenetics Research, Memorial Sloan Kettering Cancer Center, New York, New York
- Cell Biology Program, Memorial Sloan Kettering CancerCenter, New York, New York
- Biotech Research and Innovation Centre (BRIC), University of Copenhagen, Copenhagen, Denmark
- The Novo Nordisk Foundation of Stem Cell Research (Danstem), University of Copenhagen, Copenhagen, Denmark
| | | | - Kris Vaddi
- Prelude Therapeutics Inc., Wilmington, Delaware
| | - Ross L Levine
- Molecular Cancer Medicine Service, Human Oncology and Pathogenesis Program, Memorial Sloan Kettering Cancer Center, New York, New York.
- Center for Epigenetics Research, Memorial Sloan Kettering Cancer Center, New York, New York
- Leukemia Service, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, New York
- Center for Hematologic Malignancies, Memorial Sloan Kettering Cancer Center, New York, New York
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Le BV, Podszywalow-Bartnicka P, Maifrede S, Sullivan-Reed K, Nieborowska-Skorska M, Golovine K, Yao JC, Nejati R, Cai KQ, Caruso LB, Swatler J, Dabrowski M, Lian Z, Valent P, Paietta EM, Levine RL, Fernandez HF, Tallman MS, Litzow MR, Huang J, Challen GA, Link D, Tempera I, Wasik MA, Piwocka K, Skorski T. TGFβR-SMAD3 Signaling Induces Resistance to PARP Inhibitors in the Bone Marrow Microenvironment. Cell Rep 2020; 33:108221. [PMID: 33027668 DOI: 10.1016/j.celrep.2020.108221] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2020] [Revised: 08/18/2020] [Accepted: 09/10/2020] [Indexed: 02/07/2023] Open
Abstract
Synthetic lethality triggered by PARP inhibitor (PARPi) yields promising therapeutic results. Unfortunately, tumor cells acquire PARPi resistance, which is usually associated with the restoration of homologous recombination, loss of PARP1 expression, and/or loss of DNA double-strand break (DSB) end resection regulation. Here, we identify a constitutive mechanism of resistance to PARPi. We report that the bone marrow microenvironment (BMM) facilitates DSB repair activity in leukemia cells to protect them against PARPi-mediated synthetic lethality. This effect depends on the hypoxia-induced overexpression of transforming growth factor beta receptor (TGFβR) kinase on malignant cells, which is activated by bone marrow stromal cells-derived transforming growth factor beta 1 (TGF-β1). Genetic and/or pharmacological targeting of the TGF-β1-TGFβR kinase axis results in the restoration of the sensitivity of malignant cells to PARPi in BMM and prolongs the survival of leukemia-bearing mice. Our finding may lead to the therapeutic application of the TGFβR inhibitor in patients receiving PARPis.
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Affiliation(s)
- Bac Viet Le
- Sol Sherry Thrombosis Research Center and Fels Institute for Cancer Research and Molecular Biology, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, USA; Nencki Institute of Experimental Biology, Polish Academy of Sciences, Laboratory of Cytometry, Warsaw, Poland
| | | | - Silvia Maifrede
- Sol Sherry Thrombosis Research Center and Fels Institute for Cancer Research and Molecular Biology, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, USA
| | - Katherine Sullivan-Reed
- Sol Sherry Thrombosis Research Center and Fels Institute for Cancer Research and Molecular Biology, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, USA
| | - Margaret Nieborowska-Skorska
- Sol Sherry Thrombosis Research Center and Fels Institute for Cancer Research and Molecular Biology, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, USA
| | - Konstantin Golovine
- Sol Sherry Thrombosis Research Center and Fels Institute for Cancer Research and Molecular Biology, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, USA
| | - Juo-Chin Yao
- Division of Oncology, Department of Medicine, Washington University School of Medicine, St. Louis, MO, USA
| | - Reza Nejati
- Department of Pathology, Fox Chase Cancer Center, Philadelphia, PA, USA
| | - Kathy Q Cai
- Department of Pathology, Fox Chase Cancer Center, Philadelphia, PA, USA
| | - Lisa Beatrice Caruso
- Fels Institute for Cancer Research and Molecular Biology, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, USA
| | - Julian Swatler
- Nencki Institute of Experimental Biology, Polish Academy of Sciences, Laboratory of Cytometry, Warsaw, Poland
| | - Michal Dabrowski
- Nencki Institute of Experimental Biology, Polish Academy of Sciences, Laboratory of Bioinformatics, Warsaw, Poland
| | - Zhaorui Lian
- Department of Pathology and Laboratory Medicine, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, USA
| | - Peter Valent
- Department of Internal Medicine I, Division of Hematology and Hemostaseology, Medical University of Vienna and Ludwig-Boltzmann Institute for Hematology and Oncology, Vienna, Austria
| | - Elisabeth M Paietta
- Albert Einstein College of Medicine-Montefiore Medical Center, Bronx, NY, USA
| | - Ross L Levine
- Center for Hematologic Malignancies, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Hugo F Fernandez
- Moffitt Malignant Hematology & Cellular Therapy at Memorial Healthcare System, Pembroke Pines, FL, USA
| | - Martin S Tallman
- Center for Hematologic Malignancies, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Mark R Litzow
- Division of Hematology, Department of Internal Medicine, Mayo Clinic, Rochester, MN, USA
| | - Jian Huang
- Department of Pathology and Laboratory Medicine, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, USA
| | - Grant A Challen
- Division of Oncology, Department of Medicine, Washington University School of Medicine, St. Louis, MO, USA
| | - Daniel Link
- Division of Oncology, Department of Medicine, Washington University School of Medicine, St. Louis, MO, USA
| | - Italo Tempera
- Fels Institute for Cancer Research and Molecular Biology, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, USA
| | - Mariusz A Wasik
- Department of Pathology, Fox Chase Cancer Center, Philadelphia, PA, USA
| | - Katarzyna Piwocka
- Nencki Institute of Experimental Biology, Polish Academy of Sciences, Laboratory of Cytometry, Warsaw, Poland.
| | - Tomasz Skorski
- Sol Sherry Thrombosis Research Center and Fels Institute for Cancer Research and Molecular Biology, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, USA.
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Inhibition of the mutated c-KIT kinase in AML1-ETO-positive leukemia cells restores sensitivity to PARP inhibitor. Blood Adv 2020; 3:4050-4054. [PMID: 31816060 DOI: 10.1182/bloodadvances.2019000756] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Accepted: 10/28/2019] [Indexed: 12/31/2022] Open
Abstract
Key Points
c-KIT activating mutations cause resistance to PARP inhibitor in AML1-ETO–positive leukemias. c-KIT inhibitor avapritinib downregulates BRCA1/2 and DNA-PK catalytic subunit to restore the sensitivity to PARP inhibitor.
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Liu L, Zhang Z, Zhang G, Wang T, Ma Y, Guo W. Down-regulation of PADI2 prevents proliferation and epithelial-mesenchymal transition in ovarian cancer through inhibiting JAK2/STAT3 pathway in vitro and in vivo, alone or in combination with Olaparib. J Transl Med 2020; 18:357. [PMID: 32951601 PMCID: PMC7504643 DOI: 10.1186/s12967-020-02528-0] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2020] [Accepted: 09/15/2020] [Indexed: 12/22/2022] Open
Abstract
Background Epithelial ovarian cancer (EOC) is the most lethal disease among female genital malignant tumors. Peptidylarginine deiminase type II(PADI II) has been shown to enhance a variety of cancers carcinogenesis, including ovarian cancer. The purpose of this study was to investigate the biological role of PADI2 in ovarian cancer (OC) and the relative mechanism. Methods Gene Expression Profiling Interactive Analysis (GEPIA) (https://gepia.pku.cn/) and ONCOMINE (https://www.oncomine.org/) were used to analyze PADI2 Gene Expression data. The survival curve for the PADI2 gene was generated by using the online Kaplan–Meier mapping site (https://www.kmplot.com/). We conducted MTT assay, cloning formation assay and EdU cell proliferation assay to detect the cell activity of PADI2 knockdown A2780 and SKOV3 ovarian cancer cells treated with Olaparib. Cell migration and invasion were observed by would healing and transwell assay. The pathway changes after the treatment of PADI2 were detected by transcriptome sequencing and western blot. The role of PADI2 combined with Olaparib treatment in vivo was studied in nude mouse model bearing ovarian cancer tumor. Results We investigated the role of PADI2 on EOC in vitro and in vivo. PADI2 was upregulated in ovarian cancer samples and high PADI2 expression was correlated with poor outcome. Downregulating PADI2 suppressed colony formation, proliferation, migration and invasion of A2780 and SKOV3 cells. Furthermore, downregulating PADI2 and Olaparib combination treatment attenuated the viability, migration and invasion of A2780 and SKOV3 cells. We identified differentially expressed genes in A2780-shPADI2 and SKOV3-shPADI2 cell by transcriptome sequencing analysis and verified that downregulating PADI2 and Olaparib combination treatment suppresses EMT and JAK2/STAT3 signaling pathway in A2780 and SKOV3 cells in vitro and in vivo. Conclusions Downregulation of PADI2 and Olaparib combination treatment attenuated the proliferation, migration and invasion of A2780 and SKOV3 cells by inhibiting the EMT through JAK2/STAT3 signaling pathway.
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Affiliation(s)
- Lidong Liu
- Department of Obstetrics and Gynecology, The First Affiliated Hospital of Shandong First Medical University, Jinan, 250014, Shandong, People's Republic of China.,Medical Research Center, The First Affiliated Hospital of Shandong First Medical University, Jinan, 250014, Shandong, People's Republic of China.,Obstetrics Department, Obstetrics and Gynecology Hospital of Fudan University, Shanghai, 200011, People's Republic of China
| | - Zhiwei Zhang
- Department of Obstetrics and Gynecology, The First Affiliated Hospital of Shandong First Medical University, Jinan, 250014, Shandong, People's Republic of China
| | - Guoxiang Zhang
- Department of Obstetrics and Gynecology, The First Affiliated Hospital of Shandong First Medical University, Jinan, 250014, Shandong, People's Republic of China
| | - Ting Wang
- Department of Obstetrics and Gynecology, The First Affiliated Hospital of Shandong First Medical University, Jinan, 250014, Shandong, People's Republic of China
| | - Yingchun Ma
- Department of Obstetrics and Gynecology, The First Affiliated Hospital of Shandong First Medical University, Jinan, 250014, Shandong, People's Republic of China
| | - Wei Guo
- Department of Obstetrics and Gynecology, The First Affiliated Hospital of Shandong First Medical University, Jinan, 250014, Shandong, People's Republic of China.
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MPN: The Molecular Drivers of Disease Initiation, Progression and Transformation and their Effect on Treatment. Cells 2020; 9:cells9081901. [PMID: 32823933 PMCID: PMC7465511 DOI: 10.3390/cells9081901] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2020] [Revised: 08/07/2020] [Accepted: 08/11/2020] [Indexed: 02/07/2023] Open
Abstract
Myeloproliferative neoplasms (MPNs) constitute a group of disorders identified by an overproduction of cells derived from myeloid lineage. The majority of MPNs have an identifiable driver mutation responsible for cytokine-independent proliferative signalling. The acquisition of coexisting mutations in chromatin modifiers, spliceosome complex components, DNA methylation modifiers, tumour suppressors and transcriptional regulators have been identified as major pathways for disease progression and leukemic transformation. They also confer different sensitivities to therapeutic options. This review will explore the molecular basis of MPN pathogenesis and specifically examine the impact of coexisting mutations on disease biology and therapeutic options.
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Bose P, Verstovsek S. JAK Inhibition for the Treatment of Myelofibrosis: Limitations and Future Perspectives. Hemasphere 2020; 4:e424. [PMID: 32903304 PMCID: PMC7375176 DOI: 10.1097/hs9.0000000000000424] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2020] [Accepted: 05/26/2020] [Indexed: 12/24/2022] Open
Abstract
The 2011 approval of ruxolitinib ushered in the Janus kinase (JAK) inhibitor era in the treatment of myelofibrosis (MF), and 2019 saw the US approval of fedratinib. The first therapeutic agents approved by regulatory authorities for MF, these drugs attenuate the overactive JAK-signal transducer and activator of transcription (STAT) signaling universally present in these patients, translating into major clinical benefits in terms of spleen shrinkage and symptom improvement. These, in turn, confer a survival advantage on patients with advanced disease, demonstrated in the case of ruxolitinib, for which long-term follow-up data are available. However, JAK inhibitors do not improve cytopenias in most patients, have relatively modest effects on bone marrow fibrosis and driver mutation allele burden, and clinical resistance eventually develops. Furthermore, they do not modify the risk of transformation to blast phase; indeed, their mechanism of action may be more anti-inflammatory than truly disease-modifying. This has spurred interest in rational combinations of JAK inhibitors with other agents that may improve cytopenias and drugs that could potentially modify the natural history of MF. Newer JAK inhibitors that are distinguished from ruxolitinib and fedratinib by their ability to improve anemia (eg, momelotinib) or safety and efficacy in severely thrombocytopenic patients (eg, pacritinib) are in phase 3 clinical trials. There is also interest in developing inhibitors that are highly selective for mutant JAK2, as well as "type II" JAK2 inhibitors. Overall, although current JAK inhibitors have limitations, they will likely continue to form the backbone of MF therapy for the foreseeable future.
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Affiliation(s)
- Prithviraj Bose
- Department of Leukemia, University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Srdan Verstovsek
- Department of Leukemia, University of Texas MD Anderson Cancer Center, Houston, Texas, USA
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PARP goes the weasel! Emerging role of PARP inhibitors in acute leukemias. Blood Rev 2020; 45:100696. [PMID: 32482307 DOI: 10.1016/j.blre.2020.100696] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2018] [Revised: 03/23/2020] [Accepted: 04/16/2020] [Indexed: 12/14/2022]
Abstract
Poly (ADP-ribose) polymerase (PARP) inhibitors, which induce synthetic lethality of BRCA mutant breast and ovarian cancers, are now under active exploration for treatment of acute leukemias, specifically acute myeloid leukemia (AML). Experimental data has revealed that DNA repair deficiencies similar to those found in BRCA mutant solid tumors function in malignant hematopoietic cells to enhance cell survival and promote therapy resistance. Preclinical studies have demonstrated that inhibition of PARP with a variety of agents can dramatically enhance the efficacy of other therapeutic approaches including cytotoxic and epigenetic chemotherapy, small molecule inhibitors (IDH and FLT3 inhibitors) and antibody drug conjugates. This has led to early stage clinical trials of multiple PARP inhibitors (PARPi) for AML patients. Despite small patient numbers, evidence of modest clinical efficacy and tolerability in combinatorial regimens support the further development of PARP inhibition as a novel therapeutic strategy for AML, particularly in select molecular subsets (MLL rearranged, FLT3 and IDH1 mutant disease.
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Abstract
Over the last decade, the Janus kinase1/2 (JAK1/2) inhibitor ruxolitinib has emerged as a cornerstone of myelofibrosis (MF) management. Ruxolitinib improves splenomegaly and symptoms regardless of driver mutation status, and confers a survival advantage in patients with intermediate-2/high risk MF. However, cytopenias remain problematic, and evidence for a robust anti-clonal effect is lacking. Furthermore, the median duration of spleen response to ruxolitinib in clinical trials is approximately 3 years, and ruxolitinib does not appear to affect the risk of leukemic transformation. There is no therapy approved specifically for patients whose disease 'progresses' on ruxolitinib, defining which remains challenging. The recent regulatory approval of the JAK2 inihibitor fedratinib partially fulfills this unmet need, but much remains to be done. Other JAK inhibitors and a plethora of novel agents are being studied in the ruxolitinib 'failure' setting, as well as 'add-on' therapies to ruxolitinib in patients having a 'sub-optimal' response.
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Affiliation(s)
- Prithviraj Bose
- Department of Leukemia, University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Srdan Verstovsek
- Department of Leukemia, University of Texas MD Anderson Cancer Center, Houston, TX, USA
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Transcriptional alteration of DNA repair genes in Philadelphia chromosome negative myeloproliferative neoplasms. Ann Hematol 2019; 98:2703-2709. [DOI: 10.1007/s00277-019-03836-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Accepted: 10/28/2019] [Indexed: 12/21/2022]
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Distinct effects of ruxolitinib and interferon-alpha on murine JAK2V617F myeloproliferative neoplasm hematopoietic stem cell populations. Leukemia 2019; 34:1075-1089. [PMID: 31732720 DOI: 10.1038/s41375-019-0638-y] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2019] [Revised: 10/01/2019] [Accepted: 11/03/2019] [Indexed: 12/11/2022]
Abstract
JAK2V617F is the most common mutation in patients with BCR-ABL negative myeloproliferative neoplasms (MPNs). The eradication of JAK2V617F hematopoietic stem cells (HSCs) is critical for achieving molecular remissions and cure. We investigate the distinct effects of two therapies, ruxolitinib (JAK1/2 inhibitor) and interferon-alpha (IFN-α), on the disease-initiating HSC population. Whereas ruxolitinib inhibits Stat5 activation in erythroid progenitor populations, it fails to inhibit this same pathway in HSCs. In contrast, IFN-α has direct effects on HSCs. Furthermore, STAT1 phosphorylation and pathway activation is greater after IFN-α stimulation in Jak2V617F murine HSCs with increased induction of reactive oxygen species, DNA damage and reduction in quiescence after chronic IFN-α treatment. Interestingly, ruxolitinib does not block IFN-α induced reactive oxygen species and DNA damage in Jak2V617F murine HSCs in vivo. This work provides a mechanistic rationale informing how pegylated IFN-α reduces JAK2V617F allelic burden in the clinical setting and may inform future clinical efforts to combine ruxolitinib with pegylated IFN-α in patients with MPN.
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