1
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Suske T, Sorger H, Manhart G, Ruge F, Prutsch N, Zimmerman MW, Eder T, Abdallah DI, Maurer B, Wagner C, Schönefeldt S, Spirk K, Pichler A, Pemovska T, Schweicker C, Pölöske D, Hubanic E, Jungherz D, Müller TA, Aung MMK, Orlova A, Pham HTT, Zimmel K, Krausgruber T, Bock C, Müller M, Dahlhoff M, Boersma A, Rülicke T, Fleck R, de Araujo ED, Gunning PT, Aittokallio T, Mustjoki S, Sanda T, Hartmann S, Grebien F, Hoermann G, Haferlach T, Staber PB, Neubauer HA, Look AT, Herling M, Moriggl R. Hyperactive STAT5 hijacks T cell receptor signaling and drives immature T cell acute lymphoblastic leukemia. J Clin Invest 2024; 134:e168536. [PMID: 38618957 PMCID: PMC11014662 DOI: 10.1172/jci168536] [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: 01/04/2023] [Accepted: 02/27/2024] [Indexed: 04/16/2024] Open
Abstract
T cell acute lymphoblastic leukemia (T-ALL) is an aggressive immature T cell cancer. Mutations in IL7R have been analyzed genetically, but downstream effector functions such as STAT5A and STAT5B hyperactivation are poorly understood. Here, we studied the most frequent and clinically challenging STAT5BN642H driver in T cell development and immature T cell cancer onset and compared it with STAT5A hyperactive variants in transgenic mice. Enhanced STAT5 activity caused disrupted T cell development and promoted an early T cell progenitor-ALL phenotype, with upregulation of genes involved in T cell receptor (TCR) signaling, even in absence of surface TCR. Importantly, TCR pathway genes were overexpressed in human T-ALL and mature T cell cancers and activation of TCR pathway kinases was STAT5 dependent. We confirmed STAT5 binding to these genes using ChIP-Seq analysis in human T-ALL cells, which were sensitive to pharmacologic inhibition by dual STAT3/5 degraders or ZAP70 tyrosine kinase blockers in vitro and in vivo. We provide genetic and biochemical proof that STAT5A and STAT5B hyperactivation can initiate T-ALL through TCR pathway hijacking and suggest similar mechanisms for other T cell cancers. Thus, STAT5 or TCR component blockade are targeted therapy options, particularly in patients with chemoresistant clones carrying STAT5BN642H.
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Affiliation(s)
| | | | - Gabriele Manhart
- Institute for Medical Biochemistry, University of Veterinary Medicine Vienna, Vienna, Austria
| | - Frank Ruge
- Institute of Animal Breeding and Genetics and
| | - Nicole Prutsch
- Department of Pediatric Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, Massachusetts, USA
| | - Mark W. Zimmerman
- Department of Pediatric Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, Massachusetts, USA
| | - Thomas Eder
- Institute for Medical Biochemistry, University of Veterinary Medicine Vienna, Vienna, Austria
| | - Diaaeldin I. Abdallah
- Department of Chemical and Physical Sciences, University of Toronto Mississauga, Mississauga, Ontario, Canada
- Department of Chemistry, University of Toronto, Toronto, Ontario, Canada
| | | | | | | | | | - Alexander Pichler
- Department of Medicine I, Clinical Division of Hematology, Medical University of Vienna, Vienna, Austria
| | - Tea Pemovska
- Department of Medicine I, Clinical Division of Hematology, Medical University of Vienna, Vienna, Austria
| | - Carmen Schweicker
- Department of Medicine I, Clinical Division of Hematology, Medical University of Vienna, Vienna, Austria
| | | | | | - Dennis Jungherz
- Department I of Internal Medicine, Center for Integrated Oncology, Aachen-Bonn-Cologne-Duesseldorf, University of Cologne, Cologne, Germany
| | - Tony Andreas Müller
- Department I of Internal Medicine, Center for Integrated Oncology, Aachen-Bonn-Cologne-Duesseldorf, University of Cologne, Cologne, Germany
| | | | - Anna Orlova
- Institute of Animal Breeding and Genetics and
| | | | | | - Thomas Krausgruber
- CeMM Research Center for Molecular Medicine of the Austrian Academy of Sciences, Vienna, Austria
- Institute of Artificial Intelligence, Center for Medical Data Science, Medical University of Vienna, Vienna, Austria
| | - Christoph Bock
- CeMM Research Center for Molecular Medicine of the Austrian Academy of Sciences, Vienna, Austria
- Institute of Artificial Intelligence, Center for Medical Data Science, Medical University of Vienna, Vienna, Austria
| | | | - Maik Dahlhoff
- Institute of in vivo and in vitro Models, University of Veterinary Medicine Vienna, Vienna, Austria
| | - Auke Boersma
- Institute of in vivo and in vitro Models, University of Veterinary Medicine Vienna, Vienna, Austria
| | - Thomas Rülicke
- Institute of in vivo and in vitro Models, University of Veterinary Medicine Vienna, Vienna, Austria
- Ludwig Boltzmann Institute for Hematology and Oncology, Medical University of Vienna, Vienna, Austria
| | | | - Elvin Dominic de Araujo
- Department of Chemical and Physical Sciences, University of Toronto Mississauga, Mississauga, Ontario, Canada
- Department of Chemistry, University of Toronto, Toronto, Ontario, Canada
| | - Patrick Thomas Gunning
- Department of Chemical and Physical Sciences, University of Toronto Mississauga, Mississauga, Ontario, Canada
- Department of Chemistry, University of Toronto, Toronto, Ontario, Canada
- Janpix, London, United Kingdom
| | - Tero Aittokallio
- Institute for Molecular Medicine Finland, Helsinki Institute of Life Science, University of Helsinki, Helsinki, Finland
- iCAN Digital Precision Cancer Medicine Flagship, Helsinki, Finland
- Department of Cancer Genetics, Institute for Cancer Research, Oslo University Hospital, Oslo, Norway
- Oslo Centre for Biostatistics and Epidemiology, Faculty of Medicine, University of Oslo, Oslo, Norway
| | - Satu Mustjoki
- iCAN Digital Precision Cancer Medicine Flagship, Helsinki, Finland
- Hematology Research Unit Helsinki, University of Helsinki and Helsinki University Hospital Comprehensive Cancer Center, Helsinki, Finland
- Translational Immunology Research Program and Department of Clinical Chemistry and Hematology, University of Helsinki, Helsinki, Finland
| | - Takaomi Sanda
- Cancer Science Institute of Singapore and Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
| | - Sylvia Hartmann
- Dr. Senckenberg Institute of Pathology, Goethe University, Frankfurt am Main, Germany
| | - Florian Grebien
- Institute for Medical Biochemistry, University of Veterinary Medicine Vienna, Vienna, Austria
- St. Anna Children’s Cancer Research Institute, Vienna, Austria
| | | | | | - Philipp Bernhard Staber
- Department of Medicine I, Clinical Division of Hematology, Medical University of Vienna, Vienna, Austria
| | | | - Alfred Thomas Look
- Department of Pediatric Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, Massachusetts, USA
| | - Marco Herling
- Department I of Internal Medicine, Center for Integrated Oncology, Aachen-Bonn-Cologne-Duesseldorf, University of Cologne, Cologne, Germany
- Department of Hematology, Cellular Therapy and Hemostaseology, University of Leipzig, Leipzig, Germany
| | - Richard Moriggl
- Institute of Animal Breeding and Genetics and
- Department of Biosciences and Medical Biology, Paris Lodron University of Salzburg, Salzburg, Austria
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Van der Zwet JCG, Cordo' V, Buijs-Gladdines JGCAM, Hagelaar R, Smits WK, Vroegindeweij E, Graus LTM, Poort V, Nulle M, Pieters R, Meijerink JPP. STAT5 does not drive steroid resistance in T-cell acute lymphoblastic leukemia despite the activation of BCL2 and BCLXL following glucocorticoid treatment. Haematologica 2023; 108:732-746. [PMID: 35734930 PMCID: PMC9973477 DOI: 10.3324/haematol.2021.280405] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Indexed: 11/09/2022] Open
Abstract
Physiological and pathogenic interleukin-7-receptor (IL7R)-induced signaling provokes glucocorticoid resistance in a subset of patients with pediatric T-cell acute lymphoblastic leukemia (T-ALL). Activation of downstream STAT5 has been suggested to cause steroid resistance through upregulation of anti-apoptotic BCL2, one of its downstream target genes. Here we demonstrate that isolated STAT5 signaling in various T-ALL cell models is insufficient to raise cellular steroid resistance despite upregulation of BCL2 and BCL-XL. Upregulation of anti-apoptotic BCL2 and BCLXL in STAT5-activated T-ALL cells requires steroid-induced activation of NR3C1. For the BCLXL locus, this is facilitated by a concerted action of NR3C1 and activated STAT5 molecules at two STAT5 regulatory sites, whereas for the BCL2 locus this is facilitated by binding of NR3C1 at a STAT5 binding motif. In contrast, STAT5 occupancy at glucocorticoid response elements does not affect the expression of NR3C1 target genes. Strong upregulation of BIM, a NR3C1 pro-apoptotic target gene, upon prednisolone treatment can counterbalance NR3C1/STAT5-induced BCL2 and BCL-XL expression downstream of IL7- induced or pathogenic IL7R signaling. This explains why isolated STAT5 activation does not directly impair the steroid response. Our study suggests that STAT5 activation only contributes to steroid resistance in combination with cellular defects or alternative signaling routes that disable the pro-apoptotic and steroid-induced BIM response.
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Affiliation(s)
| | | | | | - Rico Hagelaar
- Princess Maxima Center for Pediatric Oncology, Utrecht
| | | | | | | | - Vera Poort
- Princess Maxima Center for Pediatric Oncology, Utrecht
| | - Marloes Nulle
- Princess Maxima Center for Pediatric Oncology, Utrecht
| | - Rob Pieters
- Princess Maxima Center for Pediatric Oncology, Utrecht
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Fernandes MB, Barata JT. IL-7 and IL-7R in health and disease: An update through COVID times. Adv Biol Regul 2023; 87:100940. [PMID: 36503870 DOI: 10.1016/j.jbior.2022.100940] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Revised: 11/24/2022] [Accepted: 11/29/2022] [Indexed: 12/12/2022]
Abstract
The role of IL-7 and IL-7R for normal lymphoid development and an adequately functioning immune system has been recognized for long, with severe immune deficiency and lymphoid leukemia as extreme examples of the consequences of deregulation of the IL-7-IL-7R axis. In this review, we provide an update (focusing on the past couple of years) on IL-7 and IL-7R in health and disease. We highlight the findings on IL-7/IL-7R signaling mechanisms and the, sometimes controversial, impact of IL-7 and its receptor on leukocyte biology, COVID-19, acute lymphoblastic leukemia, and different solid tumors, as well as their relevance as therapeutic tools or targets.
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Affiliation(s)
- Marta B Fernandes
- Instituto de Medicina Molecular João Lobo Antunes, Faculdade de Medicina, Universidade de Lisboa, 1649-028, Lisbon, Portugal
| | - João T Barata
- Instituto de Medicina Molecular João Lobo Antunes, Faculdade de Medicina, Universidade de Lisboa, 1649-028, Lisbon, Portugal.
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Virk H, Sreedharanunni S, Palla S, Rastogi P, Rathore S, Anshu A, Trehan A. Detection of NUP214-ABL1 translocation using BCR-ABL1 dual color FISH probes in T-cell acute lymphoblastic leukemia-an illustrative report and review of literature. Blood Res 2022; 57:278-281. [PMID: 36348635 PMCID: PMC9812733 DOI: 10.5045/br.2022.2022134] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2022] [Revised: 10/17/2022] [Accepted: 11/03/2022] [Indexed: 11/11/2022] Open
Affiliation(s)
- Harpreet Virk
- Department of Hematology, Advanced Paediatric Centre, Post Graduate Institute of Medical Education and Research, Chandigarh, India
| | - Sreejesh Sreedharanunni
- Department of Hematology, Advanced Paediatric Centre, Post Graduate Institute of Medical Education and Research, Chandigarh, India,Correspondence to: Sreejesh Sreedharanunni Department of Hematology, Post Graduate Institute of Medical Education and Research, Chandigarh 160012, India, E-mail:
| | - Swetha Palla
- Unit of Paediatric Haemato-Oncology, Department of Paediatrics, Advanced Paediatric Centre, Post Graduate Institute of Medical Education and Research, Chandigarh, India
| | - Pulkit Rastogi
- Department of Hematology, Advanced Paediatric Centre, Post Graduate Institute of Medical Education and Research, Chandigarh, India
| | - Shailja Rathore
- Department of Hematology, Advanced Paediatric Centre, Post Graduate Institute of Medical Education and Research, Chandigarh, India
| | - Anshu Anshu
- Department of Hematology, Advanced Paediatric Centre, Post Graduate Institute of Medical Education and Research, Chandigarh, India
| | - Amita Trehan
- Unit of Paediatric Haemato-Oncology, Department of Paediatrics, Advanced Paediatric Centre, Post Graduate Institute of Medical Education and Research, Chandigarh, India
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Lei S, Chen X, Wu J, Duan X, Men K. Small molecules in the treatment of COVID-19. Signal Transduct Target Ther 2022; 7:387. [PMID: 36464706 PMCID: PMC9719906 DOI: 10.1038/s41392-022-01249-8] [Citation(s) in RCA: 53] [Impact Index Per Article: 26.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Revised: 11/02/2022] [Accepted: 11/08/2022] [Indexed: 12/11/2022] Open
Abstract
The outbreak of COVID-19 has become a global crisis, and brought severe disruptions to societies and economies. Until now, effective therapeutics against COVID-19 are in high demand. Along with our improved understanding of the structure, function, and pathogenic process of SARS-CoV-2, many small molecules with potential anti-COVID-19 effects have been developed. So far, several antiviral strategies were explored. Besides directly inhibition of viral proteins such as RdRp and Mpro, interference of host enzymes including ACE2 and proteases, and blocking relevant immunoregulatory pathways represented by JAK/STAT, BTK, NF-κB, and NLRP3 pathways, are regarded feasible in drug development. The development of small molecules to treat COVID-19 has been achieved by several strategies, including computer-aided lead compound design and screening, natural product discovery, drug repurposing, and combination therapy. Several small molecules representative by remdesivir and paxlovid have been proved or authorized emergency use in many countries. And many candidates have entered clinical-trial stage. Nevertheless, due to the epidemiological features and variability issues of SARS-CoV-2, it is necessary to continue exploring novel strategies against COVID-19. This review discusses the current findings in the development of small molecules for COVID-19 treatment. Moreover, their detailed mechanism of action, chemical structures, and preclinical and clinical efficacies are discussed.
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Affiliation(s)
- Sibei Lei
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, 610041, People's Republic of China
| | - Xiaohua Chen
- Department of Pharmacy, Personalized Drug Therapy Key Laboratory of Sichuan Province Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, 610072, China
| | - Jieping Wu
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, 610041, People's Republic of China
| | - Xingmei Duan
- Department of Pharmacy, Personalized Drug Therapy Key Laboratory of Sichuan Province Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, 610072, China.
| | - Ke Men
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, 610041, People's Republic of China.
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Keewan E, Matlawska-Wasowska K. The Emerging Role of Suppressors of Cytokine Signaling (SOCS) in the Development and Progression of Leukemia. Cancers (Basel) 2021; 13:4000. [PMID: 34439155 PMCID: PMC8393695 DOI: 10.3390/cancers13164000] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2021] [Revised: 08/04/2021] [Accepted: 08/06/2021] [Indexed: 12/12/2022] Open
Abstract
Cytokines are pleiotropic signaling molecules that execute an essential role in cell-to-cell communication through binding to cell surface receptors. Receptor binding activates intracellular signaling cascades in the target cell that bring about a wide range of cellular responses, including induction of cell proliferation, migration, differentiation, and apoptosis. The Janus kinase and transducers and activators of transcription (JAK/STAT) signaling pathways are activated upon cytokines and growth factors binding with their corresponding receptors. The SOCS family of proteins has emerged as a key regulator of cytokine signaling, and SOCS insufficiency leads to constitutive activation of JAK/STAT signaling and oncogenic transformation. Dysregulation of SOCS expression is linked to various solid tumors with invasive properties. However, the roles of SOCS in hematological malignancies, such as leukemia, are less clear. In this review, we discuss the recent advances pertaining to SOCS dysregulation in leukemia development and progression. We also highlight the roles of specific SOCS in immune cells within the tumor microenvironment and their possible involvement in anti-tumor immunity. Finally, we discuss the epigenetic, genetic, and post-transcriptional modifications of SOCS genes during tumorigenesis, with an emphasis on leukemia.
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Affiliation(s)
- Esra’a Keewan
- Department of Pediatrics, Division of Hematology and Oncology, University of New Mexico Health Sciences Center, Albuquerque, NM 87131, USA;
- Comprehensive Cancer Center, University of New Mexico, Albuquerque, NM 87131, USA
| | - Ksenia Matlawska-Wasowska
- Department of Pediatrics, Division of Hematology and Oncology, University of New Mexico Health Sciences Center, Albuquerque, NM 87131, USA;
- Comprehensive Cancer Center, University of New Mexico, Albuquerque, NM 87131, USA
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7
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Single-cell DNA amplicon sequencing reveals clonal heterogeneity and evolution in T-cell acute lymphoblastic leukemia. Blood 2021; 137:801-811. [PMID: 32812017 DOI: 10.1182/blood.2020006996] [Citation(s) in RCA: 42] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2020] [Accepted: 07/28/2020] [Indexed: 01/27/2023] Open
Abstract
T-cell acute lymphoblastic leukemia (T-ALL) is an aggressive leukemia that is most frequent in children and is characterized by the presence of few chromosomal rearrangements and 10 to 20 somatic mutations in protein-coding regions at diagnosis. The majority of T-ALL cases harbor activating mutations in NOTCH1 together with mutations in genes implicated in kinase signaling, transcriptional regulation, or protein translation. To obtain more insight in the level of clonal heterogeneity at diagnosis and during treatment, we used single-cell targeted DNA sequencing with the Tapestri platform. We designed a custom ALL panel and obtained accurate single-nucleotide variant and small insertion-deletion mutation calling for 305 amplicons covering 110 genes in about 4400 cells per sample and time point. A total of 108 188 cells were analyzed for 25 samples of 8 T-ALL patients. We typically observed a major clone at diagnosis (>35% of the cells) accompanied by several minor clones of which some were less than 1% of the total number of cells. Four patients had >2 NOTCH1 mutations, some of which present in minor clones, indicating a strong pressure to acquire NOTCH1 mutations in developing T-ALL cells. By analyzing longitudinal samples, we detected the presence and clonal nature of residual leukemic cells and clones with a minor presence at diagnosis that evolved to clinically relevant major clones at later disease stages. Therefore, single-cell DNA amplicon sequencing is a sensitive assay to detect clonal architecture and evolution in T-ALL.
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Govaerts I, Prieto C, Vandersmissen C, Gielen O, Jacobs K, Provost S, Nittner D, Maertens J, Boeckx N, De Keersmaecker K, Segers H, Cools J. PSEN1-selective gamma-secretase inhibition in combination with kinase or XPO-1 inhibitors effectively targets T cell acute lymphoblastic leukemia. J Hematol Oncol 2021; 14:97. [PMID: 34167562 PMCID: PMC8223323 DOI: 10.1186/s13045-021-01114-1] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2021] [Accepted: 06/15/2021] [Indexed: 01/28/2023] Open
Abstract
BACKGROUND T cell acute lymphoblastic leukemia (T-ALL) is a high-risk subtype that comprises 10-15% of childhood and 20-25% of adult ALL cases. Over 70% of T-ALL patients harbor activating mutations in the NOTCH1 signaling pathway and are predicted to be sensitive to gamma-secretase inhibitors. We have recently demonstrated that selective inhibition of PSEN1-containing gamma-secretase complexes can overcome the dose-limiting toxicity associated with broad gamma-secretase inhibitors. In this study, we developed combination treatment strategies with the PSEN1-selective gamma-secretase inhibitor MRK-560 and other targeted agents (kinase inhibitors ruxolitinib and imatinib; XPO-1 inhibitor KPT-8602/eltanexor) for the treatment of T-ALL. METHODS We treated T-ALL cell lines in vitro and T-ALL patient-derived xenograft (PDX) models in vivo with MRK-560 alone or in combination with other targeted inhibitors (ruxolitinib, imatinib or KPT-8602/eltanexor). We determined effects on proliferation of the cell lines and leukemia development and survival in the PDX models. RESULTS All NOTCH1-signaling-dependent T-ALL cell lines were sensitive to MRK-560 and its combination with ruxolitinib or imatinib in JAK1- or ABL1-dependent cell lines synergistically inhibited leukemia proliferation. We also observed strong synergy between MRK-560 and KPT-8602 (eltanexor) in all NOTCH1-dependent T-ALL cell lines. Such synergy was also observed in vivo in a variety of T-ALL PDX models with NOTCH1 or FBXW7 mutations. Combination treatment significantly reduced leukemic infiltration in vivo and resulted in a survival benefit when compared to single treatment groups. We did not observe weight loss or goblet cell hyperplasia in single drug or combination treated mice when compared to control. CONCLUSIONS These data demonstrate that the antileukemic effect of PSEN1-selective gamma-secretase inhibition can be synergistically enhanced by the addition of other targeted inhibitors. The combination of MRK-560 with KPT-8602 is a highly effective treatment combination, which circumvents the need for the identification of additional mutations and provides a clear survival benefit in vivo. These promising preclinical data warrant further development of combination treatment strategies for T-ALL based on PSEN1-selective gamma-secretase inhibition.
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Affiliation(s)
- Inge Govaerts
- Center for Human Genetics, KU Leuven, Leuven, Belgium
- Center for Cancer Biology, VIB, Leuven, Belgium
- Leuvens Kanker Instituut (LKI), KU Leuven - UZ Leuven, Leuven, Belgium
| | - Cristina Prieto
- Center for Human Genetics, KU Leuven, Leuven, Belgium
- Center for Cancer Biology, VIB, Leuven, Belgium
- Leuvens Kanker Instituut (LKI), KU Leuven - UZ Leuven, Leuven, Belgium
| | - Charlien Vandersmissen
- Center for Human Genetics, KU Leuven, Leuven, Belgium
- Center for Cancer Biology, VIB, Leuven, Belgium
- Leuvens Kanker Instituut (LKI), KU Leuven - UZ Leuven, Leuven, Belgium
| | - Olga Gielen
- Center for Human Genetics, KU Leuven, Leuven, Belgium
- Center for Cancer Biology, VIB, Leuven, Belgium
- Leuvens Kanker Instituut (LKI), KU Leuven - UZ Leuven, Leuven, Belgium
| | - Kris Jacobs
- Center for Human Genetics, KU Leuven, Leuven, Belgium
- Center for Cancer Biology, VIB, Leuven, Belgium
- Leuvens Kanker Instituut (LKI), KU Leuven - UZ Leuven, Leuven, Belgium
| | - Sarah Provost
- Center for Human Genetics, KU Leuven, Leuven, Belgium
- Center for Cancer Biology, VIB, Leuven, Belgium
- Leuvens Kanker Instituut (LKI), KU Leuven - UZ Leuven, Leuven, Belgium
| | | | - Johan Maertens
- Leuvens Kanker Instituut (LKI), KU Leuven - UZ Leuven, Leuven, Belgium
- Department of Hematology, UZ Leuven, Leuven, Belgium
- Department of Microbiology, Immunology and Transplantation, KU Leuven, Leuven, Belgium
| | - Nancy Boeckx
- Department of Laboratory Medicine, UZ Leuven, Leuven, Belgium
- Department of Oncology, KU Leuven, Leuven, Belgium
| | - Kim De Keersmaecker
- Leuvens Kanker Instituut (LKI), KU Leuven - UZ Leuven, Leuven, Belgium
- Department of Oncology, KU Leuven, Leuven, Belgium
| | - Heidi Segers
- Leuvens Kanker Instituut (LKI), KU Leuven - UZ Leuven, Leuven, Belgium
- Department of Oncology, KU Leuven, Leuven, Belgium
- Department of Pediatric Oncology, UZ Leuven, Leuven, Belgium
| | - Jan Cools
- Center for Human Genetics, KU Leuven, Leuven, Belgium.
- Center for Cancer Biology, VIB, Leuven, Belgium.
- Leuvens Kanker Instituut (LKI), KU Leuven - UZ Leuven, Leuven, Belgium.
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Untwining Anti-Tumor and Immunosuppressive Effects of JAK Inhibitors-A Strategy for Hematological Malignancies? Cancers (Basel) 2021; 13:cancers13112611. [PMID: 34073410 PMCID: PMC8197909 DOI: 10.3390/cancers13112611] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Revised: 05/18/2021] [Accepted: 05/22/2021] [Indexed: 01/02/2023] Open
Abstract
Simple Summary The Janus kinase-signal transducer and activator of transcription (JAK-STAT) pathway is aberrantly activated in many malignancies. Inhibition of this pathway via JAK inhibitors (JAKinibs) is therefore an attractive therapeutic strategy underlined by Ruxolitinib (JAK1/2 inhibitor) being approved for the treatment of myeloproliferative neoplasms. As a consequence of the crucial role of the JAK-STAT pathway in the regulation of immune responses, inhibition of JAKs suppresses the immune system. This review article provides a thorough overview of the current knowledge on JAKinibs’ effects on immune cells in the context of hematological malignancies. We also discuss the potential use of JAKinibs for the treatment of diseases in which lymphocytes are the source of the malignancy. Abstract The Janus kinase-signal transducer and activator of transcription (JAK-STAT) pathway propagates signals from a variety of cytokines, contributing to cellular responses in health and disease. Gain of function mutations in JAKs or STATs are associated with malignancies, with JAK2V617F being the main driver mutation in myeloproliferative neoplasms (MPN). Therefore, inhibition of this pathway is an attractive therapeutic strategy for different types of cancer. Numerous JAK inhibitors (JAKinibs) have entered clinical trials, including the JAK1/2 inhibitor Ruxolitinib approved for the treatment of MPN. Importantly, loss of function mutations in JAK-STAT members are a cause of immune suppression or deficiencies. MPN patients undergoing Ruxolitinib treatment are more susceptible to infections and secondary malignancies. This highlights the suppressive effects of JAKinibs on immune responses, which renders them successful in the treatment of autoimmune diseases but potentially detrimental for cancer patients. Here, we review the current knowledge on the effects of JAKinibs on immune cells in the context of hematological malignancies. Furthermore, we discuss the potential use of JAKinibs for the treatment of diseases in which lymphocytes are the source of malignancies. In summary, this review underlines the necessity of a robust immune profiling to provide the best benefit for JAKinib-treated patients.
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Deregulation of the Interleukin-7 Signaling Pathway in Lymphoid Malignancies. Pharmaceuticals (Basel) 2021; 14:ph14050443. [PMID: 34066732 PMCID: PMC8151260 DOI: 10.3390/ph14050443] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 05/03/2021] [Accepted: 05/04/2021] [Indexed: 12/21/2022] Open
Abstract
The cytokine interleukin-7 (IL-7) and its receptor are critical for lymphoid cell development. The loss of IL-7 signaling causes severe combined immunodeficiency, whereas gain-of-function alterations in the pathway contribute to malignant transformation of lymphocytes. Binding of IL-7 to the IL-7 receptor results in the activation of the JAK-STAT, PI3K-AKT and Ras-MAPK pathways, each contributing to survival, cell cycle progression, proliferation and differentiation. Here, we discuss the role of deregulated IL-7 signaling in lymphoid malignancies of B- and T-cell origin. Especially in T-cell leukemia, more specifically in T-cell acute lymphoblastic leukemia and T-cell prolymphocytic leukemia, a high frequency of mutations in components of the IL-7 signaling pathway are found, including alterations in IL7R, IL2RG, JAK1, JAK3, STAT5B, PTPN2, PTPRC and DNM2 genes.
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Jaramillo S, Hennemann H, Horak P, Teleanu V, Heilig CE, Hutter B, Stenzinger A, Glimm H, Goeppert B, Müller‐Tidow C, Fröhling S, Schönland S, Schlenk RF. Ruxolitinib is effective in the treatment of a patient with refractory T-ALL. EJHAEM 2021; 2:139-142. [PMID: 35846099 PMCID: PMC9175749 DOI: 10.1002/jha2.143] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Revised: 11/10/2020] [Accepted: 11/12/2020] [Indexed: 11/08/2022]
Abstract
T-cell acute lymphoblastic leukemia (T-ALL) is a rare, aggressive T-cell malignancy. Chemotherapy alone cures only 25-45% of the cases, thus, novel treatment agents and strategies are urgently needed. We assessed the efficacy of ruxolitinib in a patient with a cutaneous relapse after allogeneic blood cell transplantation of a refractory T-ALL with a Janus kinase 3 (JAK3) mutation. In this case report, we were able to show the potential benefit of the JAK inhibitor ruxolitinib in JAK3-mutated refractory T-ALL and emphasize the importance of integrating molecular markers in current treatment decision making for patients with T-ALL.
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Affiliation(s)
- Sonia Jaramillo
- Department of HematologyOncology, and RheumatologyHeidelberg University HospitalUniversity of HeidelbergHeidelbergGermany
| | - Hannah Hennemann
- Department of HematologyOncology, and RheumatologyHeidelberg University HospitalUniversity of HeidelbergHeidelbergGermany
| | - Peter Horak
- Division of Translational Medical OncologyNational Center for Tumor Diseases (NCT) Heidelberg, and German Cancer Research Center (DKFZ)HeidelbergGermany
| | - Veronica Teleanu
- Division of Translational Medical OncologyNational Center for Tumor Diseases (NCT) Heidelberg, and German Cancer Research Center (DKFZ)HeidelbergGermany
| | - Christoph E. Heilig
- Division of Translational Medical OncologyNational Center for Tumor Diseases (NCT) Heidelberg, and German Cancer Research Center (DKFZ)HeidelbergGermany
| | - Barbara Hutter
- Computational Oncology, Molecular Diagnostics ProgramNCT and DKFZHeidelbergGermany
- Division of Applied BioinformaticsDKFZHeidelbergGermany
| | - Albrecht Stenzinger
- Institute of PathologyUniversity of HeidelbergHeidelbergGermany
- German Cancer Consortium (DKTK)HeidelbergGermany
| | - Hanno Glimm
- Department of Translational Medical OncologyNCT Dresden, Dresden, and DKFZHeidelbergGermany
- Center for Personalized OncologyNCT Dresden and University Hospital Carl Gustav Carus DresdenTechnical University of DresdenDresdenGermany
- Translational Functional Cancer GenomicsNCT and DKFZHeidelbergGermany
| | | | - Carsten Müller‐Tidow
- Department of HematologyOncology, and RheumatologyHeidelberg University HospitalUniversity of HeidelbergHeidelbergGermany
| | - Stefan Fröhling
- Division of Translational Medical OncologyNational Center for Tumor Diseases (NCT) Heidelberg, and German Cancer Research Center (DKFZ)HeidelbergGermany
- German Cancer Consortium (DKTK)HeidelbergGermany
| | - Stefan Schönland
- Department of HematologyOncology, and RheumatologyHeidelberg University HospitalUniversity of HeidelbergHeidelbergGermany
| | - Richard F. Schlenk
- Department of HematologyOncology, and RheumatologyHeidelberg University HospitalUniversity of HeidelbergHeidelbergGermany
- NCT‐Trial CenterNCT HeidelbergDKFZ and Heidelberg University HospitalHeidelbergGermany
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