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Xu Y, Zhou Q, Wang X, Zhang A, Qi W, Li Y, Zheng C, Guan J, Sun T, Li J, Lu C, Shen Y, Zhao B. PELI2 regulates early B-cell progenitor differentiation and related leukemia via the IL-7R expression. Haematologica 2024; 109:1800-1814. [PMID: 38058209 PMCID: PMC11141684 DOI: 10.3324/haematol.2023.284041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2023] [Accepted: 11/24/2023] [Indexed: 12/08/2023] Open
Abstract
Little is known about the transition mechanisms that govern early lymphoid lineage progenitors from common lymphoid progenitors (CLP). Pellino2 (PELI2) is a newly discovered E3 ubiquitin ligase, which plays important roles in inflammation and the immune system. However, the physiological and molecular roles of PELI2 in the differentiation of immune cells are largely unknown. Here, by using a conditional knockout mouse model, we demonstrated that PELI2 is required for early B-cell development and stressed hematopoiesis. PELI2 interacted with and stabilized PU.1 via K63-polyubiquitination to regulate IL-7R expression. The defects of B-cell development induced by PELI2 deletion were restored by overexpression of PU.1. Similarly, PELI2 promoted TCF3 protein stability via K63-polyubiquitination to regulate IL-7R expression, which is required for the proliferation of B-cell precursor acute lymphoblastic leukemia (BCP-ALL) cells. These results underscore the significance of PELI2 in both normal B lymphopoiesis and malignant B-cell acute lymphoblastic leukemia via the regulation of IL-7R expression, providing a potential therapeutic approach for BCP-ALL.
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Affiliation(s)
- Yan Xu
- Key Lab of Chemical Biology (MOE), School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, 250012, China; NMPA Key Laboratory for Technology Research and Evaluation of Drug Products, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250012, China; Department of Pharmacology, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, 250012
| | - Qian Zhou
- Key Lab of Chemical Biology (MOE), School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, 250012, China; NMPA Key Laboratory for Technology Research and Evaluation of Drug Products, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250012, China; Department of Pharmacology, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, 250012
| | - Xiaoming Wang
- Department of Pediatrics, Qilu hospital of Shandong University, Jinan, Shandong, 250012
| | - Aijun Zhang
- Department of Pediatrics, Qilu hospital of Shandong University, Jinan, Shandong, 250012
| | - Wentao Qi
- Key Lab of Chemical Biology (MOE), School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, 250012, China; NMPA Key Laboratory for Technology Research and Evaluation of Drug Products, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250012, China; Department of Pharmacology, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, 250012
| | - Yuan Li
- Key Lab of Chemical Biology (MOE), School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, 250012, China; NMPA Key Laboratory for Technology Research and Evaluation of Drug Products, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250012, China; Department of Pharmacology, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, 250012
| | - Chengzu Zheng
- Key Lab of Chemical Biology (MOE), School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, 250012, China; NMPA Key Laboratory for Technology Research and Evaluation of Drug Products, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250012, China; Department of Pharmacology, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, 250012
| | - Jianmin Guan
- Department of Hematology, Heze Municipal Hospital, Heze, Shandong
| | - Tao Sun
- Department of Hematology, Qilu hospital of Shandong University, Jinan, Shandong, 250012
| | - Jingxin Li
- Department of Physiology, School of Basic Medical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250012
| | - Chunhua Lu
- Key Lab of Chemical Biology (MOE), School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, 250012, China; NMPA Key Laboratory for Technology Research and Evaluation of Drug Products, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250012
| | - Yuemao Shen
- Key Lab of Chemical Biology (MOE), School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, 250012, China; NMPA Key Laboratory for Technology Research and Evaluation of Drug Products, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250012
| | - Baobing Zhao
- Key Lab of Chemical Biology (MOE), School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, 250012, China; NMPA Key Laboratory for Technology Research and Evaluation of Drug Products, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250012, China; Department of Pharmacology, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, 250012.
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2
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Angot L, Schneider P, Vannier JP, Abdoul-Azize S. Beyond Corticoresistance, A Paradoxical Corticosensitivity Induced by Corticosteroid Therapy in Pediatric Acute Lymphoblastic Leukemias. Cancers (Basel) 2023; 15:2812. [PMID: 37345151 DOI: 10.3390/cancers15102812] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2023] [Revised: 05/10/2023] [Accepted: 05/16/2023] [Indexed: 06/23/2023] Open
Abstract
Known as a key effector in relapse of acute lymphoblastic leukemia (ALL), resistance to drug-induced apoptosis, is tightly considered one of the main prognostic factors for the disease. ALL cells are constantly developing cellular strategies to survive and resist therapeutic drugs. Glucocorticoids (GCs) are one of the most important agents used in the treatment of ALL due to their ability to induce cell death. The mechanisms of GC resistance of ALL cells are largely unknown and intense research is currently focused on this topic. Such resistance can involve different cellular and molecular mechanisms, including the modulation of signaling pathways involved in the regulation of proliferation, apoptosis, autophagy, metabolism, epigenetic modifications and tumor suppressors. Recently, several studies point to the paradoxical role of GCs in many survival processes that may lead to therapy-induced resistance in ALL cells, which we called "paradoxical corticosensitivity". In this review, we aim to summarize all findings on cell survival pathways paradoxically activated by GCs with an emphasis on previous and current knowledge on gene expression and signaling pathways.
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Affiliation(s)
- Laure Angot
- Normandie University, UNIROUEN, IRIB, Inserm, U1234, 76183 Rouen, France
| | - Pascale Schneider
- Normandie University, UNIROUEN, IRIB, Inserm, U1234, 76183 Rouen, France
- Department of Pediatric Immuno-Hemato-Oncology, Rouen University Hospital, 76038 Rouen, France
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IL-7: Comprehensive review. Cytokine 2022; 160:156049. [DOI: 10.1016/j.cyto.2022.156049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Revised: 09/08/2022] [Accepted: 09/16/2022] [Indexed: 01/08/2023]
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4
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Wang C, Kong L, Kim S, Lee S, Oh S, Jo S, Jang I, Kim TD. The Role of IL-7 and IL-7R in Cancer Pathophysiology and Immunotherapy. Int J Mol Sci 2022; 23:ijms231810412. [PMID: 36142322 PMCID: PMC9499417 DOI: 10.3390/ijms231810412] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2022] [Revised: 09/06/2022] [Accepted: 09/06/2022] [Indexed: 12/03/2022] Open
Abstract
Interleukin-7 (IL-7) is a multipotent cytokine that maintains the homeostasis of the immune system. IL-7 plays a vital role in T-cell development, proliferation, and differentiation, as well as in B cell maturation through the activation of the IL-7 receptor (IL-7R). IL-7 is closely associated with tumor development and has been used in cancer clinical research and therapy. In this review, we first summarize the roles of IL-7 and IL-7Rα and their downstream signaling pathways in immunity and cancer. Furthermore, we summarize and discuss the recent advances in the use of IL-7 and IL-7Rα as cancer immunotherapy tools and highlight their potential for therapeutic applications. This review will help in the development of cancer immunotherapy regimens based on IL-7 and IL-7Rα, and will also advance their exploitation as more effective and safe immunotherapy tools.
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Affiliation(s)
- Chunli Wang
- Immunotherapy Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon 34141, Korea
| | - Lingzu Kong
- Immunotherapy Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon 34141, Korea
- Department of Biochemistry, College of Natural Sciences, Chungnam National University, Daejeon 34134, Korea
| | - Seokmin Kim
- Immunotherapy Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon 34141, Korea
- Department of Functional Genomics, KRIBB School of Bioscience, Korea University of Science and Technology, Daejeon 34113, Korea
| | - Sunyoung Lee
- Immunotherapy Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon 34141, Korea
- Department of Life Sciences, Korea University, Seoul 02841, Korea
| | - Sechan Oh
- Immunotherapy Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon 34141, Korea
- Department of Functional Genomics, KRIBB School of Bioscience, Korea University of Science and Technology, Daejeon 34113, Korea
| | - Seona Jo
- Immunotherapy Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon 34141, Korea
- Department of Functional Genomics, KRIBB School of Bioscience, Korea University of Science and Technology, Daejeon 34113, Korea
| | - Inhwan Jang
- Immunotherapy Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon 34141, Korea
- Department of Functional Genomics, KRIBB School of Bioscience, Korea University of Science and Technology, Daejeon 34113, Korea
| | - Tae-Don Kim
- Immunotherapy Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon 34141, Korea
- Department of Functional Genomics, KRIBB School of Bioscience, Korea University of Science and Technology, Daejeon 34113, Korea
- Correspondence:
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5
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Sheikh IN, Ragoonanan D, Franklin A, Srinivasan C, Zhao B, Petropoulos D, Mahadeo KM, Tewari P, Khazal SJ. Cardiac Relapse of Acute Lymphoblastic Leukemia Following Hematopoietic Stem Cell Transplantation: A Case Report and Review of Literature. Cancers (Basel) 2021; 13:5814. [PMID: 34830969 PMCID: PMC8616080 DOI: 10.3390/cancers13225814] [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: 10/14/2021] [Revised: 11/13/2021] [Accepted: 11/17/2021] [Indexed: 12/23/2022] Open
Abstract
Isolated extramedullary relapse of acute lymphoblastic leukemia (ALL) occurs in soft tissues and various organs outside the testis and central nervous system. Treatments such as hematopoietic stem cell transplantation and more novel modalities such as immunotherapy have eradicated ALL at extramedullary sites. In some instances, survival times for relapsed ALL at these sites are longer than those for relapsed disease involving only the bone marrow. Isolated relapse of ALL in the myocardium is rare, especially in children, making diagnosis and treatment of it difficult. More recent treatment options such as chimeric antigen receptor T-cell therapy carry a high risk of cytokine release syndrome and associated risk of worsening cardiac function. Herein we present the case of an 11-year-old boy who presented with relapsed symptomatic B-cell ALL in the myocardium following allogeneic hematopoietic stem cell transplantation. This is an unusual presentation of relapsed ALL and this case demonstrates the associated challenges in its diagnosis and treatment. The case report is followed by a literature review of the advances in treatment of pediatric leukemia and their application to extramedullary relapse of this disease in particular.
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Affiliation(s)
- Irtiza N. Sheikh
- Division of Pediatrics and Patient Care, University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA;
| | - Dristhi Ragoonanan
- Department of Pediatrics, Pediatric Stem Cell Transplantation and Cellular Therapy, CARTOX Program, University of Texas at MD Anderson Cancer Center, Houston, TX 77030, USA; (D.R.); (D.P.); (K.M.M.); (P.T.)
| | - Anna Franklin
- Center for Cancer and Blood Disorders, Children’s Hospital Colorado, Aurora, CO 80045, USA;
| | - Chandra Srinivasan
- Cardiac Center, Children’s Hospital of Philadelphia, Philadelphia, PA 19104, USA;
| | - Bhiong Zhao
- Department of Pathology and Laboratory Medicine, The University of Texas Health Science Center McGovern Medical School, Houston, TX 77054, USA;
| | - Demetrios Petropoulos
- Department of Pediatrics, Pediatric Stem Cell Transplantation and Cellular Therapy, CARTOX Program, University of Texas at MD Anderson Cancer Center, Houston, TX 77030, USA; (D.R.); (D.P.); (K.M.M.); (P.T.)
| | - Kris M. Mahadeo
- Department of Pediatrics, Pediatric Stem Cell Transplantation and Cellular Therapy, CARTOX Program, University of Texas at MD Anderson Cancer Center, Houston, TX 77030, USA; (D.R.); (D.P.); (K.M.M.); (P.T.)
| | - Priti Tewari
- Department of Pediatrics, Pediatric Stem Cell Transplantation and Cellular Therapy, CARTOX Program, University of Texas at MD Anderson Cancer Center, Houston, TX 77030, USA; (D.R.); (D.P.); (K.M.M.); (P.T.)
| | - Sajad J. Khazal
- Department of Pediatrics, Pediatric Stem Cell Transplantation and Cellular Therapy, CARTOX Program, University of Texas at MD Anderson Cancer Center, Houston, TX 77030, USA; (D.R.); (D.P.); (K.M.M.); (P.T.)
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Silva A, Almeida ARM, Cachucho A, Neto JL, Demeyer S, de Matos M, Hogan T, Li Y, Meijerink J, Cools J, Grosso AR, Seddon B, Barata JT. Overexpression of wild-type IL-7Rα promotes T-cell acute lymphoblastic leukemia/lymphoma. Blood 2021; 138:1040-1052. [PMID: 33970999 PMCID: PMC8462360 DOI: 10.1182/blood.2019000553] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2019] [Accepted: 04/15/2021] [Indexed: 12/02/2022] Open
Abstract
Tight regulation of IL-7Rα expression is essential for normal T-cell development. IL-7Rα gain-of-function mutations are known drivers of T-cell acute lymphoblastic leukemia (T-ALL). Although a subset of patients with T-ALL display high IL7R messenger RNA levels and cases with IL7R gains have been reported, the impact of IL-7Rα overexpression, rather than mutational activation, during leukemogenesis remains unclear. In this study, overexpressed IL-7Rα in tetracycline-inducible Il7r transgenic and Rosa26 IL7R knockin mice drove potential thymocyte self-renewal, and thymus hyperplasia related to increased proliferation of T-cell precursors, which subsequently infiltrated lymph nodes, spleen, and bone marrow, ultimately leading to fatal leukemia. The tumors mimicked key features of human T-ALL, including heterogeneity in immunophenotype and genetic subtype between cases, frequent hyperactivation of the PI3K/Akt pathway paralleled by downregulation of p27Kip1 and upregulation of Bcl-2, and gene expression signatures evidencing activation of JAK/STAT, PI3K/Akt/mTOR and Notch signaling. Notably, we also found that established tumors may no longer require high levels of IL-7R expression upon secondary transplantation and progressed in the absence of IL-7, but remain sensitive to inhibitors of IL-7R-mediated signaling ruxolitinib (Jak1), AZD1208 (Pim), dactolisib (PI3K/mTOR), palbociclib (Cdk4/6), and venetoclax (Bcl-2). The relevance of these findings for human disease are highlighted by the fact that samples from patients with T-ALL with high wild-type IL7R expression display a transcriptional signature resembling that of IL-7-stimulated pro-T cells and, critically, of IL7R-mutant cases of T-ALL. Overall, our study demonstrates that high expression of IL-7Rα can promote T-cell tumorigenesis, even in the absence of IL-7Rα mutational activation.
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Affiliation(s)
- Ana Silva
- Institute of Immunity and Transplantation, Division of Infection and Immunity, University College London, London, United Kingdom
- Instituto de Medicina Molecular João Lobo Antunes, Faculdade de Medicina, Universidade de Lisboa, Lisbon, Portugal
| | - Afonso R M Almeida
- Instituto de Medicina Molecular João Lobo Antunes, Faculdade de Medicina, Universidade de Lisboa, Lisbon, Portugal
| | - Ana Cachucho
- Instituto de Medicina Molecular João Lobo Antunes, Faculdade de Medicina, Universidade de Lisboa, Lisbon, Portugal
| | - João L Neto
- Instituto de Medicina Molecular João Lobo Antunes, Faculdade de Medicina, Universidade de Lisboa, Lisbon, Portugal
| | - Sofie Demeyer
- Vlaams Instituut voor Biotechnologie (VIB) Center for Cancer Biology
- Katholieke Universiteit (KU) Leuven Center for Human Genetics, Katholieke Universiteit (VIB-KU) Leuven, Leuven, Belgium
| | - Mafalda de Matos
- Instituto de Medicina Molecular João Lobo Antunes, Faculdade de Medicina, Universidade de Lisboa, Lisbon, Portugal
| | - Thea Hogan
- Institute of Immunity and Transplantation, Division of Infection and Immunity, University College London, London, United Kingdom
| | - Yunlei Li
- Department of Pathology Erasmus Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Jules Meijerink
- Princess Máxima Center for Pediatric Oncology, Utrecht, The Netherlands.; and
| | - Jan Cools
- Vlaams Instituut voor Biotechnologie (VIB) Center for Cancer Biology
| | - Ana Rita Grosso
- Departamento de Ciências da Vida, Faculdade de Ciências e Tecnologia, Unidade de Ciências Biomoleculares Aplicadas (UCIBIO), Universidade NOVA de Lisboa, Caparica, Portugal
| | - Benedict Seddon
- Institute of Immunity and Transplantation, Division of Infection and Immunity, University College London, London, United Kingdom
| | - João T Barata
- Instituto de Medicina Molecular João Lobo Antunes, Faculdade de Medicina, Universidade de Lisboa, Lisbon, Portugal
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de Falco A, Dezso Z, Ceccarelli F, Cerulo L, Ciaramella A, Ceccarelli M. Adaptive one-class Gaussian processes allow accurate prioritization of oncology drug targets. Bioinformatics 2021; 37:1420-1427. [PMID: 33165571 DOI: 10.1093/bioinformatics/btaa968] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2020] [Revised: 10/26/2020] [Accepted: 11/03/2020] [Indexed: 11/14/2022] Open
Abstract
MOTIVATION The cost of drug development has dramatically increased in the last decades, with the number new drugs approved per billion US dollars spent on R&D halving every year or less. The selection and prioritization of targets is one the most influential decisions in drug discovery. Here we present a Gaussian Process model for the prioritization of drug targets cast as a problem of learning with only positive and unlabeled examples. RESULTS Since the absence of negative samples does not allow standard methods for automatic selection of hyperparameters, we propose a novel approach for hyperparameter selection of the kernel in One Class Gaussian Processes. We compare our methods with state-of-the-art approaches on benchmark datasets and then show its application to druggability prediction of oncology drugs. Our score reaches an AUC 0.90 on a set of clinical trial targets starting from a small training set of 102 validated oncology targets. Our score recovers the majority of known drug targets and can be used to identify novel set of proteins as drug target candidates. AVAILABILITY AND IMPLEMENTATION The matrix of features for each protein is available at: https://bit.ly/3iLgZTa. Source code implemented in Python is freely available for download at https://github.com/AntonioDeFalco/Adaptive-OCGP. SUPPLEMENTARY INFORMATION Supplementary data are available at Bioinformatics online.
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Affiliation(s)
- Antonio de Falco
- BIOGEM Istituto di Ricerche Genetiche "G. Salvatore", 83031 Ariano Irpino, Italy
| | - Zoltan Dezso
- ABBVIE Biotherapeutics, Redwood City, CA 94063, USA
| | - Francesco Ceccarelli
- Donald Bren School of Information and Computer Sciences (ICS), Irvine, CA 92697, USA
| | - Luigi Cerulo
- BIOGEM Istituto di Ricerche Genetiche "G. Salvatore", 83031 Ariano Irpino, Italy.,Department of Science and Technologies, University of Sannio, 82100 Benevento, Italy
| | - Angelo Ciaramella
- Department Science and Technology, University of Naples Parthenope, 80133 Naples, Italy
| | - Michele Ceccarelli
- BIOGEM Istituto di Ricerche Genetiche "G. Salvatore", 83031 Ariano Irpino, Italy.,Department of Electrical Engineering and Information Technology (DIETI), University of Naples" Federico II", 80128 Naples, Italy
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8
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Xu H, Cai L, Li Z, Zhang L, Wang G, Xie R, Jiang Y, Yuan Y, Nie H. Dual effect of IL-7/IL-7R signalling on the osteoimmunological system: a potential therapeutic target for rheumatoid arthritis. Immunology 2021; 164:161-172. [PMID: 33934341 DOI: 10.1111/imm.13351] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2020] [Revised: 03/08/2021] [Accepted: 03/30/2021] [Indexed: 12/18/2022] Open
Abstract
The IL-7/IL-7R pathway plays a vital role in the immune system, especially in the inflammatory response. Monocytes/macrophages (osteoclast precursors) have been recently recognized as important participants in the osteoclastogenesis of rheumatoid arthritis (RA) patients. Here, we aimed to investigate the therapeutic potential of IL-7/IL-7R pathway in RA and to determine whether it could restrain osteoclastogenic functions and therefore ameliorate RA. Firstly, collagen-induced arthritis (CIA) mice were administered with IL-7Rα-target antibodies to assess their therapeutic effect on arthritis. We found that blockade of the IL-7/IL-7R pathway protected CIA mice from bone destruction in addition to inducing inflammatory remission, by altering the RANKL/RANK/OPG ratio and consequently decreasing osteoclast formation. To explore the effect and mechanism of this pathway, bone marrow cells were induced to osteoclasts and treated with IL-7, a STAT5 inhibitor or supernatants from T cells. The results showed that the IL-7/IL-7R pathway played a direct inhibitory role in osteoclast differentiation via STAT5 signalling pathway in a RANKL-induced manner. We applied flow cytometry to analyse the effect of IL-7 on T-cell RANKL expression and found that IL-7/IL-7R pathway had an indirect role in the osteoclast differentiation process by enhancing the RANKL expression on T cells. In conclusion, the IL-7/IL-7R pathway exhibited a dual effect on osteoclastogenesis of CIA mice by interacting with osteoimmunology processes and could be a novel therapeutic target for autoimmune diseases such as RA.
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Affiliation(s)
- Haiyan Xu
- Department of Immunology and Microbiology, Shanghai Institute of Immunology, Shanghai Jiao Tong University School of Medicine, Shanghai, China.,State Key Laboratory of Oncogenes and Related Genes, Shanghai Cancer Institute, Department of Oncology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Li Cai
- Department of Immunology and Microbiology, Shanghai Institute of Immunology, Shanghai Jiao Tong University School of Medicine, Shanghai, China.,Department of Infectious Disease, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Zijian Li
- Department of Immunology and Microbiology, Shanghai Institute of Immunology, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Lili Zhang
- Department of Immunology and Microbiology, Shanghai Institute of Immunology, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Guojue Wang
- Department of Immunology and Microbiology, Shanghai Institute of Immunology, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Rongli Xie
- Department of Immunology and Microbiology, Shanghai Institute of Immunology, Shanghai Jiao Tong University School of Medicine, Shanghai, China.,Department of General Surgery, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yongshuai Jiang
- Department of Immunology and Microbiology, Shanghai Institute of Immunology, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yuanyang Yuan
- Department of Immunology and Microbiology, Shanghai Institute of Immunology, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Hong Nie
- Department of Immunology and Microbiology, Shanghai Institute of Immunology, Shanghai Jiao Tong University School of Medicine, Shanghai, China
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9
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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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10
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Liao K, Chen K, Brett S, Gehman A, Schwartz AM, Gunn GR, DeWall SL. Characterization of the robust humoral immune response to GSK2618960, a humanized anti-IL-7 receptor monoclonal antibody, observed in healthy subjects in a Phase 1 study. PLoS One 2021; 16:e0249049. [PMID: 33755713 PMCID: PMC7987154 DOI: 10.1371/journal.pone.0249049] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Accepted: 03/08/2021] [Indexed: 12/25/2022] Open
Abstract
Interleukin-7 (IL-7) signaling modulates T cell activity and is implicated in numerous autoimmune diseases. An anti-IL-7 receptor monoclonal antibody (GSK2618960) biotherapeutic was evaluated in healthy subjects for safety, pharmacokinetics (PK), pharmacodynamics (PD) and immunogenicity in a single-dose escalation phase I study. We found that antibodies against GSK2618960 (i.e., anti-drug antibodies or ADA) developed in 83% and 100% of GSK2618960-treated subjects in the 0.6 and 2.0 mg/kg dose cohorts, respectively. Of the ADA positive subjects, 64% (7 of 11) had detectable neutralizing activity. Further investigation revealed the presence of GSK2618960-specific memory B cells, indicating the development of immunological memory for the ADAs. Ex vivo stimulation of peripheral blood mononuclear cell (PBMC) samples demonstrated a relatively strong CD4+ T cell proliferation response to GSK2618960 as compared to the control anti-RSV antibody (which is known to have only low immunogenic potential), confirming the high immunogenic potential of GSK2618960. Furthermore, GSK2618960 was found to bind in vitro monocyte-derived dendritic cells (DCs). GSK2618960 treatment of PBMCs increased the proportion of DC cells showing an increase in expression of CD83, CD86 and CD209, which indicated enhanced DC differentiation and activation relative to the isotype control anti-β amyloid antibody. Collectively, the evidence supports that the high incidence of observed clinical immunogenicity was likely related to the receptor-mediated activity by GSK2618960.
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Affiliation(s)
- Karen Liao
- Immunogenicity Group, GlaxoSmithKline, Collegeville, Pennsylvania, United States of America
| | - Keguan Chen
- Immunogenicity Group, GlaxoSmithKline, Collegeville, Pennsylvania, United States of America
| | - Sara Brett
- Oncology Cell Therapy, Oncology R&D, Stevenage, United Kingdom
| | - Andrew Gehman
- Research Statistics, GlaxoSmithKline, Collegeville, Pennsylvania, United States of America
| | - Ann M Schwartz
- Immunogenicity Group, GlaxoSmithKline, Collegeville, Pennsylvania, United States of America
| | - George R Gunn
- Immunogenicity Group, GlaxoSmithKline, Collegeville, Pennsylvania, United States of America
| | - Stephen L DeWall
- Immunogenicity Group, GlaxoSmithKline, Collegeville, Pennsylvania, United States of America
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11
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Mshaik R, Simonet J, Georgievski A, Jamal L, Bechoua S, Ballerini P, Bellaye PS, Mlamla Z, Pais de Barros JP, Geissler A, Francin PJ, Girodon F, Garrido C, Quéré R. HSP90 inhibitor NVP-BEP800 affects stability of SRC kinases and growth of T-cell and B-cell acute lymphoblastic leukemias. Blood Cancer J 2021; 11:61. [PMID: 33737511 PMCID: PMC7973815 DOI: 10.1038/s41408-021-00450-2] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Revised: 02/23/2021] [Accepted: 02/26/2021] [Indexed: 02/07/2023] Open
Abstract
T-cell and B-cell acute lymphoblastic leukemias (T-ALL, B-ALL) are aggressive hematological malignancies characterized by an accumulation of immature T- or B-cells. Although patient outcomes have improved, novel targeted therapies are needed to reduce the intensity of chemotherapy and improve the prognosis of high-risk patients. Using cell lines, primary cells and patient-derived xenograft (PDX) models, we demonstrate that ALL cells viability is sensitive to NVP-BEP800, an ATP-competitive inhibitor of Heat shock protein 90 (HSP90). Furthermore, we reveal that lymphocyte-specific SRC family kinases (SFK) are important clients of the HSP90 chaperone in ALL. When PDX mice are treated with NVP-BEP800, we found that there is a decrease in ALL progression. Together, these results demonstrate that the chaperoning of SFK by HSP90 is involved in the growth of ALL. These novel findings provide an alternative approach to target SRC kinases and could be used for the development of new treatment strategies for ALL.
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Affiliation(s)
- Rony Mshaik
- UMR1231, Inserm, Université de Bourgogne Franche-Comté, Dijon, France
- LipSTIC LabEx, Fondation de Coopération Scientifique de Bourgogne Franche-Comté, Dijon, France
| | - John Simonet
- UMR1231, Inserm, Université de Bourgogne Franche-Comté, Dijon, France
| | | | - Layla Jamal
- UMR1231, Inserm, Université de Bourgogne Franche-Comté, Dijon, France
| | - Shaliha Bechoua
- Centre de Ressources Biologiques Ferdinand Cabanne, Hôpital Universitaire François Mitterrand, Dijon, France
| | - Paola Ballerini
- Laboratoire d'Hématologie, Assistance Publique Hôpitaux de Paris, Hôpital Armand Trousseau, Paris, France
| | - Pierre-Simon Bellaye
- UMR1231, Inserm, Université de Bourgogne Franche-Comté, Dijon, France
- Centre Georges-François Leclerc, Dijon, France
| | - Zandile Mlamla
- UMR1231, Inserm, Université de Bourgogne Franche-Comté, Dijon, France
- Plateforme de Lipidomique, Université de Bourgogne Franche-Comté, Dijon, France
| | - Jean-Paul Pais de Barros
- UMR1231, Inserm, Université de Bourgogne Franche-Comté, Dijon, France
- LipSTIC LabEx, Fondation de Coopération Scientifique de Bourgogne Franche-Comté, Dijon, France
- Plateforme de Lipidomique, Université de Bourgogne Franche-Comté, Dijon, France
| | - Audrey Geissler
- Plateforme d'Imagerie Cellulaire, CellImaP, Université de Bourgogne Franche-Comté, Dijon, France
| | - Pierre-Jean Francin
- Laboratoire de Génétique Chromosomique et Moléculaire, Plateau Technique de Biologie, Hôpital Universitaire François Mitterrand, Dijon, France
| | - François Girodon
- UMR1231, Inserm, Université de Bourgogne Franche-Comté, Dijon, France
- Service d'Hématologie Biologique, Hôpital Universitaire François Mitterrand, Dijon, France
| | - Carmen Garrido
- UMR1231, Inserm, Université de Bourgogne Franche-Comté, Dijon, France
- LipSTIC LabEx, Fondation de Coopération Scientifique de Bourgogne Franche-Comté, Dijon, France
- Centre Georges-François Leclerc, Dijon, France
| | - Ronan Quéré
- UMR1231, Inserm, Université de Bourgogne Franche-Comté, Dijon, France.
- LipSTIC LabEx, Fondation de Coopération Scientifique de Bourgogne Franche-Comté, Dijon, France.
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12
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Rodrigues GOL, Cramer SD, Winer HY, Hixon JA, Li W, Yunes JA, Durum SK. Mutations that collaborate with IL-7Ra signaling pathways to drive ALL. Adv Biol Regul 2021; 80:100788. [PMID: 33578108 DOI: 10.1016/j.jbior.2021.100788] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2020] [Accepted: 01/11/2021] [Indexed: 12/30/2022]
Abstract
The IL-7 pathway is required for normal T cell development and survival. In recent years the pathway has been shown to be a major driver of acute lymphoblastic leukemia (ALL), the most common cancer in children. Gain-of-function mutations in the alpha chain of the IL-7 receptor found in ALL patients clearly demonstrated that this pathway was a driver. However mutant IL-7R alone was insufficient to transform primary T cell progenitors, indicating that cooperating mutations were required. Here we review evidence for additional oncogenic mutations in the IL-7 pathway. We discuss several oncogenes, loss of tumor suppressor genes and epigenetic effects that can cooperate with mutant IL-7 receptor. These include NRas, HOXA, TLX3, Notch 1, Arf, PHF6, WT1, PRC, PTPN2 and CK2. As new therapeutics targeting the IL-7 pathway are developed, combination with agents directed to cooperating pathways offer hope for novel therapies for ALL.
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Affiliation(s)
- Gisele O L Rodrigues
- Cytokines and Immunity Section, Laboratory of Cancer Immunometabolism, National Cancer Institute, National Institutes of Health (NIH), Frederick, MD, USA; Molecular Biology Laboratory, Boldrini Children's Center, Campinas, Brazil; Department of Genetics, Evolution and Bioagents, Institute of Biology, State University of Campinas (UNICAMP), Campinas, Brazil
| | - Sarah D Cramer
- Cytokines and Immunity Section, Laboratory of Cancer Immunometabolism, National Cancer Institute, National Institutes of Health (NIH), Frederick, MD, USA; Comparative Biomedical Scientist Training Program, NIH, Bethesda, MD, USA; Department of Veterinary Medicine, University of Maryland, College Park, MD, USA
| | - Hila Y Winer
- Cytokines and Immunity Section, Laboratory of Cancer Immunometabolism, National Cancer Institute, National Institutes of Health (NIH), Frederick, MD, USA
| | - Julie A Hixon
- Cytokines and Immunity Section, Laboratory of Cancer Immunometabolism, National Cancer Institute, National Institutes of Health (NIH), Frederick, MD, USA
| | - WenQing Li
- Cytokines and Immunity Section, Laboratory of Cancer Immunometabolism, National Cancer Institute, National Institutes of Health (NIH), Frederick, MD, USA
| | - José Andres Yunes
- Department of Genetics, Evolution and Bioagents, Institute of Biology, State University of Campinas (UNICAMP), Campinas, Brazil
| | - Scott K Durum
- Cytokines and Immunity Section, Laboratory of Cancer Immunometabolism, National Cancer Institute, National Institutes of Health (NIH), Frederick, MD, USA.
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13
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Facts and Challenges in Immunotherapy for T-Cell Acute Lymphoblastic Leukemia. Int J Mol Sci 2020; 21:ijms21207685. [PMID: 33081391 PMCID: PMC7589289 DOI: 10.3390/ijms21207685] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Revised: 10/13/2020] [Accepted: 10/14/2020] [Indexed: 12/12/2022] Open
Abstract
T-cell acute lymphoblastic leukemia (T-ALL), a T-cell malignant disease that mainly affects children, is still a medical challenge, especially for refractory patients for whom therapeutic options are scarce. Recent advances in immunotherapy for B-cell malignancies based on increasingly efficacious monoclonal antibodies (mAbs) and chimeric antigen receptors (CARs) have been encouraging for non-responding or relapsing patients suffering from other aggressive cancers like T-ALL. However, secondary life-threatening T-cell immunodeficiency due to shared expression of targeted antigens by healthy and malignant T cells is a main drawback of mAb—or CAR-based immunotherapies for T-ALL and other T-cell malignancies. This review provides a comprehensive update on the different immunotherapeutic strategies that are being currently applied to T-ALL. We highlight recent progress on the identification of new potential targets showing promising preclinical results and discuss current challenges and opportunities for developing novel safe and efficacious immunotherapies for T-ALL.
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14
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García Manzano MF, Joray MB, Laiolo J, Palacios SM, Carpinella MC. Cytotoxic Activity of Germacrane-Type Sesquiterpene Lactones from Dimerostemma aspilioides. JOURNAL OF NATURAL PRODUCTS 2020; 83:1909-1918. [PMID: 32496057 DOI: 10.1021/acs.jnatprod.0c00115] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
The need for effective candidates as cytotoxic drugs that at the same time challenge cancer multidrug resistance encouraged a search for these in plants of central Argentina. Bioassay-guided fractionation of the cytotoxic extract from Dimerostemma aspilioides led to the isolation of the germacranolide tomenphantin A (1), along with three new analogues (2-4). These efficiently inhibited the proliferation of the leukemia cell lines K562 and CCRF-CEM and their resistant variants, Lucena 1 and CEM/ADR5000, respectively, with IC50 values ranging from 0.40 to 7.7 μM. The structures and relative configurations of compounds 1-4 were elucidated by analysis of the spectroscopic data, in particular NMR spectroscopy. The most active among these was compound 1 (IC50 = 0.40-5.1 μM), and, therefore, this was selected as a model for a mechanistic study, which revealed that its antiproliferative effect was mediated by cell cycle arrest in the G2/M phase followed by apoptosis. The activity of compound 1 was selective, given the absence of cytotoxicity toward peripheral blood mononuclear cells. The results show the potential of these compounds, and in particular of compound 1, as leads for the development of drug candidates to fight sensitive and resistant leukemia cells.
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Affiliation(s)
- María F García Manzano
- Fine Chemical and Natural Products Laboratory, Research Institute of Natural Resources and Sustainability José Sánchez Labrador S.J. (IRNASUS-CONICET), School of Chemistry, Catholic University of Córdoba, Córdoba X5016DHK, Argentina
| | - Mariana B Joray
- Fine Chemical and Natural Products Laboratory, Research Institute of Natural Resources and Sustainability José Sánchez Labrador S.J. (IRNASUS-CONICET), School of Chemistry, Catholic University of Córdoba, Córdoba X5016DHK, Argentina
| | - Jerónimo Laiolo
- Fine Chemical and Natural Products Laboratory, Research Institute of Natural Resources and Sustainability José Sánchez Labrador S.J. (IRNASUS-CONICET), School of Chemistry, Catholic University of Córdoba, Córdoba X5016DHK, Argentina
| | - Sara M Palacios
- Fine Chemical and Natural Products Laboratory, Research Institute of Natural Resources and Sustainability José Sánchez Labrador S.J. (IRNASUS-CONICET), School of Chemistry, Catholic University of Córdoba, Córdoba X5016DHK, Argentina
| | - María C Carpinella
- Fine Chemical and Natural Products Laboratory, Research Institute of Natural Resources and Sustainability José Sánchez Labrador S.J. (IRNASUS-CONICET), School of Chemistry, Catholic University of Córdoba, Córdoba X5016DHK, Argentina
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15
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IL-7R is essential for leukemia-initiating cell activity of T-cell acute lymphoblastic leukemia. Blood 2020; 134:2171-2182. [PMID: 31530562 DOI: 10.1182/blood.2019000982] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2019] [Accepted: 09/05/2019] [Indexed: 12/13/2022] Open
Abstract
T-cell acute lymphoblastic leukemia (T-ALL) is an aggressive hematological malignancy resulting from the dysregulation of signaling pathways that control intrathymic T-cell development. Relapse rates are still significant, and prognosis is particularly bleak for relapsed patients. Therefore, development of novel therapies specifically targeting pathways controlling leukemia-initiating cell (LIC) activity is mandatory for fighting refractory T-ALL. The interleukin-7 receptor (IL-7R) is a crucial T-cell developmental pathway that is commonly expressed in T-ALL and has been implicated in leukemia progression; however, the significance of IL-7R/IL-7 signaling in T-ALL pathogenesis and its contribution to disease relapse remain unknown. To directly explore whether IL-7R targeting may be therapeutically efficient against T-ALL relapse, we focused on a known Notch1-induced T-ALL model, because a majority of T-ALL patients harbor activating mutations in NOTCH1, which is a transcriptional regulator of IL-7R expression. Using loss-of-function approaches, we show that Il7r-deficient, but not wild-type, mouse hematopoietic progenitors transduced with constitutively active Notch1 failed to generate leukemia upon transplantation into immunodeficient mice, thus providing formal evidence that IL-7R function is essential for Notch1-induced T-cell leukemogenesis. Moreover, we demonstrate that IL-7R expression is an early functional biomarker of T-ALL cells with LIC potential and report that impaired IL-7R signaling hampers engraftment and progression of patient-derived T-ALL xenografts. Notably, we show that IL-7R-dependent LIC activity and leukemia progression can be extended to human B-cell acute lymphoblastic leukemia (B-ALL). These results have important therapeutic implications, highlighting the relevance that targeting normal IL-7R signaling may have in future therapeutic interventions, particularly for preventing T-ALL (and B-ALL) relapse.
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16
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Kubin N, Richter M, Sen-Hild B, Akintürk H, Schönburg M, Kubin T, Cetinkaya A. Macrophages represent the major pool of IL-7Rα expressing cells in patients with myocarditis. Cytokine 2020; 130:155053. [PMID: 32203694 DOI: 10.1016/j.cyto.2020.155053] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2019] [Revised: 02/02/2020] [Accepted: 02/24/2020] [Indexed: 11/15/2022]
Abstract
Myocarditis is characterized by infiltration and activation of cytokine as well as chemokine receptors frequently producing heart failure. Causes are often infections triggering inflammatory and immune responses but these initial lines of defense might be finally disastrous. To identify mediators we screened various receptors by confocal microscopy and identified cardiac interleukin-7 (IL-7) receptor-α (IL-7Rα) expressing cells in patients with myocarditis. IL-7Rα+ cells were analyzed by markers for leukocytes (CD45), B cells (CD19), T cells (CD3, CD4, CD8) and macrophages (CD68, CD163, CD206). Immune cells were hardly detected in controls. In patients with myocarditis main inflammatory populations consisted of macrophages and T cells. B cells were hardly present. 90% of CD68+ macrophages but less than 20% of CD3+ T cells were IL-7Rα+. This was surprising since T and B lymphocytes are generally regarded as the major IL-7Rα+ cells. Since IL-7 acts as a chemokine, the expression of its receptor might orchestrate cardiac macrophage infiltration. In contrast, consumption of IL-7 by IL-7Rα+ cardiac macrophages might potentially prevent a certain overshooting immune reaction and sepsis by reducing proliferation and survival of lymphocytes. Our data suggest a participation of IL-7Rα+ macrophages in the development of myocarditis and heart failure.
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Affiliation(s)
- Natalia Kubin
- Department of Cardiac Surgery, Kerckhoff-Clinic, Benekestrasse 2-8, Bad Nauheim 61231, Germany
| | - Manfred Richter
- Department of Cardiac Surgery, Kerckhoff-Clinic, Benekestrasse 2-8, Bad Nauheim 61231, Germany.
| | - Bedriye Sen-Hild
- Pediatric Heart Center, Justus Liebig University, Feulgenstrasse 10-12, Giessen 35392, Germany
| | - Hakan Akintürk
- Pediatric Heart Center, Justus Liebig University, Feulgenstrasse 10-12, Giessen 35392, Germany
| | - Markus Schönburg
- Department of Cardiac Surgery, Kerckhoff-Clinic, Benekestrasse 2-8, Bad Nauheim 61231, Germany
| | - Thomas Kubin
- Department of Cardiac Surgery, Kerckhoff-Clinic, Benekestrasse 2-8, Bad Nauheim 61231, Germany
| | - Ayse Cetinkaya
- Department of Cardiac Surgery, Kerckhoff-Clinic, Benekestrasse 2-8, Bad Nauheim 61231, Germany
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17
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Meyer LK, Hermiston ML. The bone marrow microenvironment as a mediator of chemoresistance in acute lymphoblastic leukemia. CANCER DRUG RESISTANCE (ALHAMBRA, CALIF.) 2019; 2:1164-1177. [PMID: 35582273 PMCID: PMC9019215 DOI: 10.20517/cdr.2019.63] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 07/18/2019] [Revised: 09/12/2019] [Accepted: 09/27/2019] [Indexed: 12/04/2022]
Abstract
Acute lymphoblastic leukemia (ALL) is a malignancy of immature lymphoid cells that arises due to clonal expansion of cells that undergo developmental arrest and acquisition of pathogenic mutations. With the introduction of intensive multi-agent chemotherapeutic regimens, survival rates for ALL have improved dramatically over the past several decades, though survival rates for adult ALL continue to lag behind those of pediatric ALL. Resistance to chemotherapy remains a significant obstacle in the treatment of ALL, and chemoresistance due to molecular alterations within ALL cells have been described. In addition to these cell-intrinsic factors, the bone marrow microenvironment has more recently been appreciated as a cell-extrinsic mediator of chemoresistance, and it is now known that stromal cells within the bone marrow microenvironment, through direct cell-cell interactions and through the release of lymphoid-acting soluble factors, contribute to ALL pathogenesis and chemoresistance. This review discusses mechanisms of chemoresistance mediated by factors within the bone marrow microenvironment and highlights novel therapeutic strategies that have been investigated to overcome chemoresistance in this context.
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Affiliation(s)
- Lauren K. Meyer
- Department of Pediatrics, University of California, San Francisco, SF 94158, USA
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18
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Flip the coin: IL-7 and IL-7R in health and disease. Nat Immunol 2019; 20:1584-1593. [PMID: 31745336 DOI: 10.1038/s41590-019-0479-x] [Citation(s) in RCA: 186] [Impact Index Per Article: 37.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2019] [Accepted: 07/26/2019] [Indexed: 12/14/2022]
Abstract
The cytokine IL-7 and its receptor, IL-7R, are critical for T cell and, in the mouse, B cell development, as well as differentiation and survival of naive T cells, and generation and maintenance of memory T cells. They are also required for innate lymphoid cell (ILC) development and maintenance, and consequently for generation of lymphoid structures and barrier defense. Here we discuss the central role of IL-7 and IL-7R in the lymphoid system and highlight the impact of their deregulation, placing a particular emphasis on their 'dark side' as promoters of cancer development. We also explore therapeutic implications and opportunities associated with either positive or negative modulation of the IL-7-IL-7R signaling axis.
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19
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New anti-IL-7Rα monoclonal antibodies show efficacy against T cell acute lymphoblastic leukemia in pre-clinical models. Leukemia 2019; 34:35-49. [PMID: 31439943 DOI: 10.1038/s41375-019-0531-8] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2018] [Revised: 05/22/2019] [Accepted: 06/10/2019] [Indexed: 12/13/2022]
Abstract
Pediatric T cell acute lymphoblastic leukemia (T-ALL) cells frequently contain mutations in the interleukin-7 (IL-7) receptor pathway or respond to IL-7 itself. To target the IL-7 receptor on T-ALL cells, murine monoclonal antibodies (MAbs) were developed against the human IL-7Rα chain and chimerized with human IgG1 constant regions. Crystal structures demonstrate that the two MAbs bound different IL-7Rα epitopes. The MAbs mediated antibody-dependent cell-mediated cytotoxicity (ADCC) against patient-derived xenograft (PDX) T-ALL cells, which was improved by combining two MAbs. In vivo, the MAbs showed therapeutic efficacy via ADCC-dependent and independent mechanisms in minimal residual and established disease. PDX T-ALL cells that relapsed following a course of chemotherapy displayed elevated IL-7Rα, and MAb treatment is effective against relapsing disease, suggesting the use of anti-IL7Rα MAbs in relapsed T-ALL patients or patients that do not respond to chemotherapy.
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20
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Buffière A, Uzan B, Aucagne R, Hermetet F, Mas M, Nassurdine S, Aznague A, Carmignac V, Tournier B, Bouchot O, Ballerini P, Barata JT, Bastie JN, Delva L, Pflumio F, Quéré R. T-cell acute lymphoblastic leukemia displays autocrine production of Interleukin-7. Oncogene 2019; 38:7357-7365. [PMID: 31417180 DOI: 10.1038/s41388-019-0921-4] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2019] [Revised: 06/17/2019] [Accepted: 07/22/2019] [Indexed: 11/09/2022]
Abstract
T-cell acute lymphoblastic leukemia (T-ALL) is an aggressive hematological malignancy characterized by an accumulation of immature T cells. Although patient outcomes have improved, novel targeted therapies are needed to reduce the intensity of chemotherapy and improve the prognosis of high-risk patients. Interleukin-7 (IL-7) modulates the survival and proliferation of normal and malignant T cells. Targeting the IL-7 signaling pathway is thus a potentially effective therapeutic strategy. To achieve such aim, it is essential to first understand how the IL-7 signaling pathway is activated. Although IL-7 production has been observed from multiple stromal tissues, T-ALL autocrine IL-7 secretion has not yet been described. Interestingly, using T-ALL cell lines, primary and patient-derived xenotransplanted (PDX) T-ALL cells, we demonstrate that T-ALL cells produce IL-7 whereas normal T cells do not. Finally, using knock down of IL7 gene in T-ALL cells, we describe to what extent IL-7 autocrine secretion is involved in the T-ALL cells propagation in bone marrow and how it affects the number of leukemia-initiating cells in PDX mice. Together, these results demonstrate how the autocrine production of the IL-7 cytokine mediated by T-ALL cells can be involved in the oncogenic development of T-ALL and offer novel insights into T-ALL spreading.
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Affiliation(s)
- Anne Buffière
- UMR1231, Inserm/Université Bourgogne Franche-Comté, Dijon, France.,LipSTIC Labex, Dijon, France
| | - Benjamin Uzan
- UMR967, Inserm/CEA/Université Paris 7/Université Paris 11, Fontenay-aux-Roses, France.,LSHL, IRCM/CEA, Fontenay-aux-Roses, France
| | - Romain Aucagne
- UMR1231, Inserm/Université Bourgogne Franche-Comté, Dijon, France.,LipSTIC Labex, Dijon, France
| | - François Hermetet
- UMR1231, Inserm/Université Bourgogne Franche-Comté, Dijon, France.,LipSTIC Labex, Dijon, France
| | - Manon Mas
- UMR1231, Inserm/Université Bourgogne Franche-Comté, Dijon, France
| | | | - Aziza Aznague
- UMR1231, Inserm/Université Bourgogne Franche-Comté, Dijon, France.,LipSTIC Labex, Dijon, France
| | | | - Benjamin Tournier
- Hôpital Universitaire François Mitterrand, Service de Génétique des Cancers, Dijon, France
| | - Olivier Bouchot
- Hôpital Universitaire François Mitterrand, Chirurgie Cardiovasculaire, Dijon, France
| | - Paola Ballerini
- Assistance Publique-Hôpitaux de Paris, Laboratoire d'Hématologie, Hôpital Trousseau, Paris, France
| | - João T Barata
- Instituto de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa, Lisboa, Portugal
| | - Jean-Noël Bastie
- UMR1231, Inserm/Université Bourgogne Franche-Comté, Dijon, France.,LipSTIC Labex, Dijon, France.,Hôpital Universitaire François Mitterrand, Service d'Hématologie Clinique, Dijon, France.,Hôpital Universitaire François Mitterrand, CRB Ferdinand Cabanne, BB-0033-00044, Dijon, France
| | - Laurent Delva
- UMR1231, Inserm/Université Bourgogne Franche-Comté, Dijon, France.,LipSTIC Labex, Dijon, France
| | - Françoise Pflumio
- UMR967, Inserm/CEA/Université Paris 7/Université Paris 11, Fontenay-aux-Roses, France.,LSHL, IRCM/CEA, Fontenay-aux-Roses, France
| | - Ronan Quéré
- UMR1231, Inserm/Université Bourgogne Franche-Comté, Dijon, France. .,LipSTIC Labex, Dijon, France.
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21
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Oliveira ML, Akkapeddi P, Ribeiro D, Melão A, Barata JT. IL-7R-mediated signaling in T-cell acute lymphoblastic leukemia: An update. Adv Biol Regul 2019; 71:88-96. [PMID: 30249539 PMCID: PMC6386770 DOI: 10.1016/j.jbior.2018.09.012] [Citation(s) in RCA: 60] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2018] [Revised: 09/17/2018] [Accepted: 09/18/2018] [Indexed: 01/09/2023]
Abstract
Interleukin 7 (IL-7) and its receptor (IL-7R, a heterodimer of IL-7Rα and γc) are essential for normal lymphoid development. In their absence, severe combined immunodeficiency occurs. By contrast, excessive IL-7/IL-7R-mediated signaling can drive lymphoid leukemia development, disease acceleration and resistance to chemotherapy. IL-7 and IL-7R activate three main pathways: STAT5, PI3K/Akt/mTOR and MEK/Erk, ultimately leading to the promotion of leukemia cell viability, cell cycle progression and growth. However, the contribution of each of these pathways towards particular functional outcomes is still not completely known and appears to differ between normal and malignant states. For example, IL-7 upregulates Bcl-2 in a PI3K/Akt/mTOR-dependent and STAT5-independent manner in T-ALL cells. This is a 'symmetric image' of what apparently happens in normal lymphoid cells, where PI3K/Akt/mTOR does not impact on Bcl-2 and regulates proliferation rather than survival. In this review, we provide an updated summary of the knowledge on IL-7/IL-7R-mediated signaling in the context of cancer, focusing mainly on T-cell acute lymphoblastic leukemia, where this axis has been more extensively studied.
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Affiliation(s)
- Mariana L Oliveira
- Instituto de Medicina Molecular João Lobo Antunes, Faculdade de Medicina, Universidade de Lisboa, Av. Prof. Egas Moniz, 1649-028, Lisboa, Portugal
| | - Padma Akkapeddi
- Instituto de Medicina Molecular João Lobo Antunes, Faculdade de Medicina, Universidade de Lisboa, Av. Prof. Egas Moniz, 1649-028, Lisboa, Portugal
| | - Daniel Ribeiro
- Instituto de Medicina Molecular João Lobo Antunes, Faculdade de Medicina, Universidade de Lisboa, Av. Prof. Egas Moniz, 1649-028, Lisboa, Portugal
| | - Alice Melão
- Instituto de Medicina Molecular João Lobo Antunes, Faculdade de Medicina, Universidade de Lisboa, Av. Prof. Egas Moniz, 1649-028, Lisboa, Portugal
| | - João T Barata
- Instituto de Medicina Molecular João Lobo Antunes, Faculdade de Medicina, Universidade de Lisboa, Av. Prof. Egas Moniz, 1649-028, Lisboa, Portugal.
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22
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Xie M, Yang A, Ma J, Wu M, Xu H, Wu K, Jin Y, Xie Y. Akt2 mediates glucocorticoid resistance in lymphoid malignancies through FoxO3a/Bim axis and serves as a direct target for resistance reversal. Cell Death Dis 2019; 9:1013. [PMID: 30598523 PMCID: PMC6312545 DOI: 10.1038/s41419-018-1043-6] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2018] [Revised: 08/28/2018] [Accepted: 08/29/2018] [Indexed: 01/22/2023]
Abstract
Glucocorticoids (GCs) are widely used drugs in the treatment of lymphoid malignancies; resistance of GCs in lymphocytes confers poor prognosis and the mechanisms are poorly understood. Here, we found T-acute lymphoblastic leukemia (T-ALL) cells acquire resistance to dexamethasone (DEX)-mediated killing through abnormal activation of Akt, resulting in inhibition of the FoxO3a/Bim pathway. The resistant state was reported to be associated with increased glycolysis, NOTCH1 activating mutations and activated PI3K/ serum GS regulated kinases (SGK) pathway. Use of aforementioned pathway inhibitors blocked FoxO3a-phosphorylation and partially improved DEX-mediated killing of GC-resistant T-ALL cells, further revealing the essential role of the FoxO3a/Bim pathway in the development of GC resistance. Inhibition of Akt is most effective at restoring sensitivity to DEX of GC-resistant lymphocytes in vitro and in vivo, but shows significant hepatotoxicity in vivo. A significantly elevated expression of Akt2 not Akt1 in intrinsically, secondarily GC-resistant lymphocytes and relapsed/refractory ALL patients implicates a more specific target for GC resistance. Mechanistically, Akt2 has a stronger binding capacity with FoxO3a compared to Akt1, and acts as a direct and major negative regulator of FoxO3a activity driving GC resistance. Pharmacologic inhibition of Akt2 more effectively restores sensitivity to GCs than inhibition of Akt1 in vitro, shows higher synergistic effect acting with DEX, and reverses GC resistance in GC-resistant T- or B- lymphoid tumors in vivo with reduced liver toxicity. In summary, these results suggest that Akt2 might serve as a more direct and specific kinase mediating GC resistance through FoxO3a/Bim signaling pathway, and Akt2 inhibition may be explored as a promising target for treating GC-resistant hematopoietic malignancies.
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Affiliation(s)
- Mixue Xie
- Senior Department of Hematology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang, 310003, China
| | - Apeng Yang
- Department of Hematology & Rheumatology, The First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian, 350005, China
| | - Jiexian Ma
- Department of Hematology & Shanghai Key Laboratory of Clinical Geriatric Medicine, Huadong Hospital Affiliated to Fudan University, Shanghai, 200040, China
| | - Min Wu
- Department of Hematology & Shanghai Key Laboratory of Clinical Geriatric Medicine, Huadong Hospital Affiliated to Fudan University, Shanghai, 200040, China
| | - Hongyue Xu
- Department of Hematology & Oncology, The Second People's Hospital of Liaocheng, Liaocheng, 252600, China
| | - Kefei Wu
- Department of Hematology & Shanghai Key Laboratory of Clinical Geriatric Medicine, Huadong Hospital Affiliated to Fudan University, Shanghai, 200040, China
| | - Youxin Jin
- The School of Life Sciences, Shanghai University, Shanghai, 200444, China.
| | - Yanhui Xie
- Department of Hematology & Shanghai Key Laboratory of Clinical Geriatric Medicine, Huadong Hospital Affiliated to Fudan University, Shanghai, 200040, China.
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23
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Mock J, Kunk PR, Palkimas S, Sen JM, Devitt M, Horton B, Portell CA, Williams ME, Maitland H. Risk of Major Bleeding with Ibrutinib. CLINICAL LYMPHOMA MYELOMA & LEUKEMIA 2018; 18:755-761. [DOI: 10.1016/j.clml.2018.07.287] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/29/2018] [Revised: 06/30/2018] [Accepted: 07/09/2018] [Indexed: 10/28/2022]
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24
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Hao M, Barlogie B, Tricot G, Liu L, Qiu L, Shaughnessy JD, Zhan F. Gene Expression Profiling Reveals Aberrant T-cell Marker Expression on Tumor Cells of Waldenström's Macroglobulinemia. Clin Cancer Res 2018; 25:201-209. [PMID: 30279229 DOI: 10.1158/1078-0432.ccr-18-1435] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2018] [Revised: 08/01/2018] [Accepted: 09/27/2018] [Indexed: 12/26/2022]
Abstract
PURPOSE That the malignant clone of Waldenström's macroglobulinemia (WM) demonstrates significant intraclonal heterogeneity with respect to plasmacytoid differentiation indicates the mechanistic complexity of tumorigenesis and progression. Identification of WM genes by comparing different stages of B cells may provide novel druggable targets. EXPERIMENTAL DESIGN The gene expression signatures of CD19+ B cells (BC) and CD138+ plasma cells (PC) from 19 patients with WM were compared with those of BCs from peripheral blood and tonsil and to those of PCs from the marrow of healthy (N-PC) and multiple myeloma donors (MM-PC), as well as tonsil (T-PC). Flow cytometry and immunofluorescence were used to examine T-cell marker expression on WM tumor cells. RESULTS Consistent with defective differentiation, both BCs and PCs from WM cases expressed abnormal differentiation markers. Sets of 55 and 46 genes were differentially expressed in WM-BC and WM-PC, respectively; and 40 genes uniquely dysregulated in WM samples were identified. Dysregulated genes included cytokines, growth factor receptors, and oncogenes not previously implicated in WM or other plasma cell dyscrasias. Interestingly, strong upregulation of both IL6 and IL6R was confirmed. Supervised cluster analysis of PC revealed that marrow-derived WM-PC was either MM-PC-like or T-PC-like, but not N-PC-like. The aberrant expression of T-cell markers was confirmed at the protein level in WM-BC. CONCLUSIONS We showed that comparative microarray profiles allowed gaining more comprehensive insights into the biology of WM. The data presented here have implications for the development of novel therapies, such as targeting aberrant T-cell markers in WM.
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Affiliation(s)
- Mu Hao
- Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Science & Peking Union Medical College, Tianjin, China.,Division of Hematology, Oncology, and Blood and Marrow Transplantation, Department of Internal Medicine, University of Iowa, Iowa City, Iowa
| | - Bart Barlogie
- Hematology-Oncology, Icahn School of Medicine at Mount Sinai, New York, New York
| | - Guido Tricot
- Division of Hematology, Oncology, and Blood and Marrow Transplantation, Department of Internal Medicine, University of Iowa, Iowa City, Iowa
| | - Lanting Liu
- Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Science & Peking Union Medical College, Tianjin, China
| | - Lugui Qiu
- Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Science & Peking Union Medical College, Tianjin, China
| | - John D Shaughnessy
- Hematology-Oncology, Icahn School of Medicine at Mount Sinai, New York, New York.
| | - Fenghuang Zhan
- Division of Hematology, Oncology, and Blood and Marrow Transplantation, Department of Internal Medicine, University of Iowa, Iowa City, Iowa.
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25
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Freij JB, Fu MS, De Leon Rodriguez CM, Dziedzic A, Jedlicka AE, Dragotakes Q, Rossi DCP, Jung EH, Coelho C, Casadevall A. Conservation of Intracellular Pathogenic Strategy among Distantly Related Cryptococcal Species. Infect Immun 2018; 86:e00946-17. [PMID: 29712729 PMCID: PMC6013651 DOI: 10.1128/iai.00946-17] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2017] [Accepted: 04/02/2018] [Indexed: 01/22/2023] Open
Abstract
The genus Cryptococcus includes several species pathogenic for humans. Until recently, the two major pathogenic species were recognized to be Cryptococcus neoformans and Cryptococcus gattii We compared the interaction of murine macrophages with three C. gattii species complex strains (WM179, R265, and WM161, representing molecular types VGI, VGIIa, and VGIII, respectively) and one C. neoformans species complex strain (H99, molecular type VNI) to ascertain similarities and differences in the yeast intracellular pathogenic strategy. The parameters analyzed included nonlytic exocytosis frequency, phagolysosomal pH, intracellular capsular growth, phagolysosomal membrane permeabilization, and macrophage transcriptional response, assessed using time-lapse microscopy, fluorescence microscopy, flow cytometry, and gene expression microarray analysis. The most striking result was that the intracellular pathogenic strategies of C. neoformans and C. gattii species complex strains were qualitatively similar, despite the species having separated an estimated 100 million years ago. Macrophages exhibited a leaky phagolysosomal membrane phenotype and nonlytic exocytosis when infected with either C. gattii or C. neoformans Conservation of the intracellular strategy among species that separated long ago suggests that it is ancient and possibly maintained by similar selection pressures through eons.
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Affiliation(s)
- Joudeh B Freij
- Department of Molecular Microbiology and Immunology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA
| | - Man Shun Fu
- Department of Molecular Microbiology and Immunology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA
| | | | - Amanda Dziedzic
- Department of Molecular Microbiology and Immunology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA
| | - Anne E Jedlicka
- Department of Molecular Microbiology and Immunology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA
| | - Quigly Dragotakes
- Department of Molecular Microbiology and Immunology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA
| | - Diego C P Rossi
- Department of Molecular Microbiology and Immunology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA
| | - Eric H Jung
- Department of Molecular Microbiology and Immunology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA
- Albert Einstein School of Medicine, Department of Microbiology and Immunology, New York, New York, USA
| | - Carolina Coelho
- Department of Molecular Microbiology and Immunology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA
| | - Arturo Casadevall
- Department of Molecular Microbiology and Immunology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA
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26
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González ML, Joray MB, Laiolo J, Crespo MI, Palacios SM, Ruiz GM, Carpinella MC. Cytotoxic Activity of Extracts from Plants of Central Argentina on Sensitive and Multidrug-Resistant Leukemia Cells: Isolation of an Active Principle from Gaillardia megapotamica. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE : ECAM 2018; 2018:9185935. [PMID: 29861776 PMCID: PMC5971282 DOI: 10.1155/2018/9185935] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/12/2017] [Revised: 02/20/2018] [Accepted: 03/26/2018] [Indexed: 02/07/2023]
Abstract
Plants are a significant reservoir of cytotoxic agents, including compounds with the ability to interfere with multidrug-resistant (MDR) cells. With the aim of finding promising candidates for chemotherapy, 91 native and naturalized plants collected from the central region of Argentina were screened for their cytotoxic effect toward sensitive and MDR P-glycoprotein (P-gp) overexpressing human leukemia cells by means of MTT assays. The ethanol extracts obtained from Aldama tucumanensis, Ambrosia elatior, Baccharis artemisioides, Baccharis coridifolia, Dimerostemma aspilioides, Gaillardia megapotamica, and Vernonanthura nudiflora presented outstanding antiproliferative activity at 50 μg/mL, with inhibitory values from 93 to 100%, when tested on the acute lymphoblastic leukemia (ALL) cell line CCRF-CEM and the resistant derivative CEM-ADR5000, while 70-90% inhibition was observed against the chronic myelogenous leukemia (CML) cell K562 and its corresponding resistant subline, Lucena 1. Subsequent investigation showed these extracts to possess marked cytotoxicity with IC50 values ranging from 0.37 to 29.44 μg/mL, with most of them being below 7 μg/mL and with ALL cells, including the drug-resistant phenotype, being the most affected. G. megapotamica extract found to be one of the most effective and bioguided fractionation yielded helenalin (1). The sesquiterpene lactone displayed IC50 values of 0.63, 0.19, 0.74, and 0.16 μg/mL against K562, CCRF-CEM, Lucena 1, and CEM/ADR5000, respectively. These results support the potential of these extracts as a source of compounds for treating sensitive and multidrug-resistant leukemia cells and support compound 1 as a lead for developing effective anticancer agents.
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Affiliation(s)
- María Laura González
- Fine Chemical and Natural Products Laboratory, School of Chemistry, IRNASUS-CONICET, Catholic University of Córdoba, Avda. Armada Argentina 3555, X5016DHK Córdoba, Argentina
| | - Mariana Belén Joray
- Fine Chemical and Natural Products Laboratory, School of Chemistry, IRNASUS-CONICET, Catholic University of Córdoba, Avda. Armada Argentina 3555, X5016DHK Córdoba, Argentina
| | - Jerónimo Laiolo
- Fine Chemical and Natural Products Laboratory, School of Chemistry, IRNASUS-CONICET, Catholic University of Córdoba, Avda. Armada Argentina 3555, X5016DHK Córdoba, Argentina
| | - María Inés Crespo
- Fine Chemical and Natural Products Laboratory, School of Chemistry, IRNASUS-CONICET, Catholic University of Córdoba, Avda. Armada Argentina 3555, X5016DHK Córdoba, Argentina
| | - Sara María Palacios
- Fine Chemical and Natural Products Laboratory, School of Chemistry, IRNASUS-CONICET, Catholic University of Córdoba, Avda. Armada Argentina 3555, X5016DHK Córdoba, Argentina
| | - Gustavo Miguel Ruiz
- Herbarium Marcelino Sayago, School of Agricultural Science, Catholic University of Córdoba, Avda. Armada Argentina 3555, X5016DHK Córdoba, Argentina
| | - María Cecilia Carpinella
- Fine Chemical and Natural Products Laboratory, School of Chemistry, IRNASUS-CONICET, Catholic University of Córdoba, Avda. Armada Argentina 3555, X5016DHK Córdoba, Argentina
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27
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Inhibiting Janus Kinase 1 and BCL-2 to treat T cell acute lymphoblastic leukemia with IL7-Rα mutations. Oncotarget 2018; 9:22605-22617. [PMID: 29854301 PMCID: PMC5978251 DOI: 10.18632/oncotarget.25194] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2017] [Accepted: 04/04/2018] [Indexed: 12/14/2022] Open
Abstract
Acute lymphoblastic leukemia (ALL) is the most common cancer in children. Current chemotherapy is quite toxic in growing children and more directed therapeutics are being sought. The IL-7R pathway is a major driver of ALL and here we evaluate two drugs directed to that pathway using a model of T cell ALL. Mutant gain-of-function IL-7Rα was transduced into an IL-7-dependent murine thymocyte line conferring ligand-independent survival and growth. JAK1 is associated with IL-7Rα and mediates signaling from the mutant receptor. In vitro, treating the transformed cell line with the JAK1/2 inhibitor ruxolitinib inhibited ligand-independent signaling and induced cell death. Transfer of the transformed cell line into mice resulted in aggressive leukemia and untreated mice succumbed in about three weeks. Treatment with ruxolitinib incorporated into chow showed a potent therapeutic benefit with reduction in leukemic burden and extension of survival. BCL-2 is an anti-apoptotic downstream mediator of the IL-7R survival mechanism. Venetoclax, an inhibitor of BCL-2, showed activity against the transformed cell line in vitro and could be combined with ruxolitinib in vivo. These findings support the therapeutic potential of treating T-ALL by targeting the IL-7R pathway.
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28
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Saracatinib impairs maintenance of human T-ALL by targeting the LCK tyrosine kinase in cells displaying high level of lipid rafts. Leukemia 2018. [PMID: 29535432 DOI: 10.1038/s41375-018-0081-5] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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29
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Cramer SD, Hixon JA, Andrews C, Porter RJ, Rodrigues GOL, Wu X, Back T, Czarra K, Michael H, Cam M, Chen J, Esposito D, Senkevitch E, Negi V, Aplan PD, Li W, Durum SK. Mutant IL-7Rα and mutant NRas are sufficient to induce murine T cell acute lymphoblastic leukemia. Leukemia 2018. [PMID: 29535426 DOI: 10.1038/s41375-017-0001-0] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Affiliation(s)
- Sarah D Cramer
- Cytokines and Immunity Section, Cancer and Inflammation Program, National Cancer Institute (NCI), National Institutes of Health (NIH), Frederick, MD, USA.,Department of Veterinary Medicine, University of Maryland, College Park, MD, USA
| | - Julie A Hixon
- Cytokines and Immunity Section, Cancer and Inflammation Program, National Cancer Institute (NCI), National Institutes of Health (NIH), Frederick, MD, USA
| | - Caroline Andrews
- Cytokines and Immunity Section, Cancer and Inflammation Program, National Cancer Institute (NCI), National Institutes of Health (NIH), Frederick, MD, USA
| | - Ross J Porter
- Cytokines and Immunity Section, Cancer and Inflammation Program, National Cancer Institute (NCI), National Institutes of Health (NIH), Frederick, MD, USA.,School of Medicine, Medical Sciences and Nutrition, University of Aberdeen, Aberdeen, Scotland, UK
| | - Gisele O L Rodrigues
- Cytokines and Immunity Section, Cancer and Inflammation Program, National Cancer Institute (NCI), National Institutes of Health (NIH), Frederick, MD, USA.,Molecular Biology Laboratory, Boldrini Children's Center, Campinas, Brazil.,Department of Genetics, Evolution and Bioagents, Institute of Biology, State University of Campinas, Campinas, Brazil
| | - Xiaolin Wu
- Genomics Laboratory, Cancer Research Technology Program, Leidos Biomedical Research, Inc. (LBR), Frederick National Laboratory for Cancer Research (FNLCR), Frederick, MD, USA
| | - Tim Back
- Cytokines and Immunity Section, Cancer and Inflammation Program, National Cancer Institute (NCI), National Institutes of Health (NIH), Frederick, MD, USA
| | - Kelli Czarra
- Cytokines and Immunity Section, Cancer and Inflammation Program, National Cancer Institute (NCI), National Institutes of Health (NIH), Frederick, MD, USA
| | - Helen Michael
- Laboratory of Cancer Biology and Genetics, NCI, NIH, Bethesda, MD, USA
| | - Maggie Cam
- Center for Cancer Research Collaborative Bioinformatics Resource, NCI, NIH, Bethesda, MD, USA
| | - Jack Chen
- Center for Cancer Research Collaborative Bioinformatics Resource, NCI, NIH, Bethesda, MD, USA
| | - Dominic Esposito
- Protein Expression Laboratory/RAS Reagents Core, NCI RAS Initiative, LBR, FNLCR, Frederick, MD, USA
| | - Emilee Senkevitch
- Cytokines and Immunity Section, Cancer and Inflammation Program, National Cancer Institute (NCI), National Institutes of Health (NIH), Frederick, MD, USA
| | - Vijay Negi
- Leukemia Biology Section, Genetics Branch, NCI, NIH, Bethesda, MD, USA
| | - Peter D Aplan
- Leukemia Biology Section, Genetics Branch, NCI, NIH, Bethesda, MD, USA
| | - Wenqing Li
- Cytokines and Immunity Section, Cancer and Inflammation Program, National Cancer Institute (NCI), National Institutes of Health (NIH), Frederick, MD, USA
| | - Scott K Durum
- Cytokines and Immunity Section, Cancer and Inflammation Program, National Cancer Institute (NCI), National Institutes of Health (NIH), Frederick, MD, USA.
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30
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Gentile M, Petrungaro A, Uccello G, Vigna E, Recchia AG, Caruso N, Bossio S, De Stefano L, Palummo A, Storino F, Martino M, Morabito F. Venetoclax for the treatment of chronic lymphocytic leukemia. Expert Opin Investig Drugs 2017; 26:1307-1316. [PMID: 28972395 DOI: 10.1080/13543784.2017.1386173] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
INTRODUCTION Venetoclax, an orally bioavailable inhibitor of BCL-2, was approved in 2016 by the United States Food and Drug Administration (FDA) for the treatment of chronic lymphocytic leukemia (CLL) patients with 17p deletion [del(17p)], who have received at least one prior therapy. Areas covered: We focus on the mechanism of action of venetoclax and on the clinical trial data that led to the approval of venetoclax for CLL patients. We also review the studies in which this drug has being explored in combination with other anti-CLL drugs. Expert opinion: Data from early clinical trials have shown that venetoclax, as a single agent, is highly effective for relapsed/refractory CLL patients, including those cases with high-risk features. Furthermore, venetoclax seems to be an appropriate option for patients who progress on B-cell receptor (BCR) pathway kinase inhibitors. Venetoclax is also safe, with the most common serious adverse events being neutropenia. The risk of tumor lysis syndrome (TLS) can be reduced by a slow dose ramp-up, careful monitoring, and adequate prophylaxis. Ongoing trials will further clarify the safety and efficacy of venetoclax in combination with other drugs in both relapsed/refractory and untreated CLL patients.
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Affiliation(s)
- Massimo Gentile
- a Hematology Unit, Department of Hemato-Oncology , Ospedale Annunziata , Cosenza , Italy
| | - Annamaria Petrungaro
- a Hematology Unit, Department of Hemato-Oncology , Ospedale Annunziata , Cosenza , Italy
| | - Giuseppina Uccello
- a Hematology Unit, Department of Hemato-Oncology , Ospedale Annunziata , Cosenza , Italy
| | - Ernesto Vigna
- a Hematology Unit, Department of Hemato-Oncology , Ospedale Annunziata , Cosenza , Italy
| | - Anna Grazia Recchia
- b Department of Hemato-Oncology , Unità di Ricerca Biotecnologica (URB) , Aprigliano , Italy
| | - Nadia Caruso
- b Department of Hemato-Oncology , Unità di Ricerca Biotecnologica (URB) , Aprigliano , Italy
| | - Sabrina Bossio
- b Department of Hemato-Oncology , Unità di Ricerca Biotecnologica (URB) , Aprigliano , Italy
| | - Laura De Stefano
- b Department of Hemato-Oncology , Unità di Ricerca Biotecnologica (URB) , Aprigliano , Italy
| | - Angela Palummo
- b Department of Hemato-Oncology , Unità di Ricerca Biotecnologica (URB) , Aprigliano , Italy
| | - Francesca Storino
- b Department of Hemato-Oncology , Unità di Ricerca Biotecnologica (URB) , Aprigliano , Italy
| | - Massimo Martino
- c Hematology, Stem Cell Collection, and Transplant Unit, Oncology and Hematology Department , Azienda Ospedaliera BMM , Reggio Calabria , Italy
| | - Fortunato Morabito
- b Department of Hemato-Oncology , Unità di Ricerca Biotecnologica (URB) , Aprigliano , Italy
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31
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Oliveira ML, Akkapeddi P, Alcobia I, Almeida AR, Cardoso BA, Fragoso R, Serafim TL, Barata JT. From the outside, from within: Biological and therapeutic relevance of signal transduction in T-cell acute lymphoblastic leukemia. Cell Signal 2017. [PMID: 28645565 DOI: 10.1016/j.cellsig.2017.06.011] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
T-cell acute lymphoblastic leukemia (T-ALL) is an aggressive hematological cancer that arises from clonal expansion of transformed T-cell precursors. In this review we summarize the current knowledge on the external stimuli and cell-intrinsic lesions that drive aberrant activation of pivotal, pro-tumoral intracellular signaling pathways in T-cell precursors, driving transformation, leukemia expansion, spread or resistance to therapy. In addition to their pathophysiological relevance, receptors and kinases involved in signal transduction are often attractive candidates for targeted drug development. As such, we discuss also the potential of T-ALL signaling players as targets for therapeutic intervention.
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Affiliation(s)
- Mariana L Oliveira
- Instituto de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa, Portugal
| | - Padma Akkapeddi
- Instituto de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa, Portugal
| | - Isabel Alcobia
- Instituto de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa, Portugal; Instituto de Histologia e Biologia do Desenvolvimento, Faculdade de Medicina, Universidade de Lisboa, Portugal
| | - Afonso R Almeida
- Instituto de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa, Portugal
| | - Bruno A Cardoso
- Instituto de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa, Portugal
| | - Rita Fragoso
- Instituto de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa, Portugal
| | - Teresa L Serafim
- Instituto de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa, Portugal
| | - João T Barata
- Instituto de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa, Portugal.
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32
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Girardi T, Vicente C, Cools J, De Keersmaecker K. The genetics and molecular biology of T-ALL. Blood 2017; 129:1113-1123. [PMID: 28115373 PMCID: PMC5363819 DOI: 10.1182/blood-2016-10-706465] [Citation(s) in RCA: 222] [Impact Index Per Article: 31.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2016] [Accepted: 11/10/2016] [Indexed: 12/13/2022] Open
Abstract
T-cell acute lymphoblastic leukemia (T-ALL) is an aggressive malignancy caused by the accumulation of genomic lesions that affect the development of T cells. For many years, it has been established that deregulated expression of transcription factors, impairment of the CDKN2A/2B cell-cycle regulators, and hyperactive NOTCH1 signaling play prominent roles in the pathogenesis of this leukemia. In the past decade, systematic screening of T-ALL genomes by high-resolution copy-number arrays and next-generation sequencing technologies has revealed that T-cell progenitors accumulate additional mutations affecting JAK/STAT signaling, protein translation, and epigenetic control, providing novel attractive targets for therapy. In this review, we provide an update on our knowledge of T-ALL pathogenesis, the opportunities for the introduction of targeted therapy, and the challenges that are still ahead.
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Affiliation(s)
- Tiziana Girardi
- Department of Oncology, KU Leuven, Leuven, Belgium
- Leuven Cancer Institute (LKI), Leuven, Belgium
| | - Carmen Vicente
- Leuven Cancer Institute (LKI), Leuven, Belgium
- VIB Center for the Biology of Disease, Leuven, Belgium
- Center for Human Genetics, KU Leuven, Leuven, Belgium
| | - Jan Cools
- Leuven Cancer Institute (LKI), Leuven, Belgium
- VIB Center for the Biology of Disease, Leuven, Belgium
- Center for Human Genetics, KU Leuven, Leuven, Belgium
| | - Kim De Keersmaecker
- Department of Oncology, KU Leuven, Leuven, Belgium
- Leuven Cancer Institute (LKI), Leuven, Belgium
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33
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Savino AM, Izraeli S. Interleukin-7 signaling as a therapeutic target in acute lymphoblastic leukemia. Expert Rev Hematol 2017; 10:183-185. [PMID: 28162019 DOI: 10.1080/17474086.2017.1292121] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Angela Maria Savino
- a Safra Children's Hospital, Sheba Medical Center, Tel Hashomer , Ramat Gan , Israel
| | - Shai Izraeli
- b Sackler Faculty of Medicine , Tel Aviv University , Ramat Aviv , Israel
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Li Y, Buijs-Gladdines JGCAM, Canté-Barrett K, Stubbs AP, Vroegindeweij EM, Smits WK, van Marion R, Dinjens WNM, Horstmann M, Kuiper RP, Buijsman RC, Zaman GJR, van der Spek PJ, Pieters R, Meijerink JPP. IL-7 Receptor Mutations and Steroid Resistance in Pediatric T cell Acute Lymphoblastic Leukemia: A Genome Sequencing Study. PLoS Med 2016; 13:e1002200. [PMID: 27997540 PMCID: PMC5172551 DOI: 10.1371/journal.pmed.1002200] [Citation(s) in RCA: 82] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/03/2016] [Accepted: 11/11/2016] [Indexed: 12/18/2022] Open
Abstract
BACKGROUND Pediatric acute lymphoblastic leukemia (ALL) is the most common childhood cancer and the leading cause of cancer-related mortality in children. T cell ALL (T-ALL) represents about 15% of pediatric ALL cases and is considered a high-risk disease. T-ALL is often associated with resistance to treatment, including steroids, which are currently the cornerstone for treating ALL; moreover, initial steroid response strongly predicts survival and cure. However, the cellular mechanisms underlying steroid resistance in T-ALL patients are poorly understood. In this study, we combined various genomic datasets in order to identify candidate genetic mechanisms underlying steroid resistance in children undergoing T-ALL treatment. METHODS AND FINDINGS We performed whole genome sequencing on paired pre-treatment (diagnostic) and post-treatment (remission) samples from 13 patients, and targeted exome sequencing of pre-treatment samples from 69 additional T-ALL patients. We then integrated mutation data with copy number data for 151 mutated genes, and this integrated dataset was tested for associations of mutations with clinical outcomes and in vitro drug response. Our analysis revealed that mutations in JAK1 and KRAS, two genes encoding components of the interleukin 7 receptor (IL7R) signaling pathway, were associated with steroid resistance and poor outcome. We then sequenced JAK1, KRAS, and other genes in this pathway, including IL7R, JAK3, NF1, NRAS, and AKT, in these 69 T-ALL patients and a further 77 T-ALL patients. We identified mutations in 32% (47/146) of patients, the majority of whom had a specific T-ALL subtype (early thymic progenitor ALL or TLX). Based on the outcomes of these patients and their prednisolone responsiveness measured in vitro, we then confirmed that these mutations were associated with both steroid resistance and poor outcome. To explore how these mutations in IL7R signaling pathway genes cause steroid resistance and subsequent poor outcome, we expressed wild-type and mutant IL7R signaling molecules in two steroid-sensitive T-ALL cell lines (SUPT1 and P12 Ichikawa cells) using inducible lentiviral expression constructs. We found that expressing mutant IL7R, JAK1, or NRAS, or wild-type NRAS or AKT, specifically induced steroid resistance without affecting sensitivity to vincristine or L-asparaginase. In contrast, wild-type IL7R, JAK1, and JAK3, as well as mutant JAK3 and mutant AKT, had no effect. We then performed a functional study to examine the mechanisms underlying steroid resistance and found that, rather than changing the steroid receptor's ability to activate downstream targets, steroid resistance was associated with strong activation of MEK-ERK and AKT, downstream components of the IL7R signaling pathway, thereby inducing a robust antiapoptotic response by upregulating MCL1 and BCLXL expression. Both the MEK-ERK and AKT pathways also inactivate BIM, an essential molecule for steroid-induced cell death, and inhibit GSK3B, an important regulator of proapoptotic BIM. Importantly, treating our cell lines with IL7R signaling inhibitors restored steroid sensitivity. To address clinical relevance, we treated primary T-ALL cells obtained from 11 patients with steroids either alone or in combination with IL7R signaling inhibitors; we found that including a MEK, AKT, mTOR, or dual PI3K/mTOR inhibitor strongly increased steroid-induced cell death. Therefore, combining these inhibitors with steroid treatment may enhance steroid sensitivity in patients with ALL. The main limitation of our study was the modest cohort size, owing to the very low incidence of T-ALL. CONCLUSIONS Using an unbiased sequencing approach, we found that specific mutations in IL7R signaling molecules underlie steroid resistance in T-ALL. Future prospective clinical studies should test the ability of inhibitors of MEK, AKT, mTOR, or PI3K/mTOR to restore or enhance steroid sensitivity and improve clinical outcome.
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Affiliation(s)
- Yunlei Li
- Department of Pediatric Oncology/Hematology, Erasmus Medical Center/Sophia Children’s Hospital, Rotterdam, The Netherlands
| | - Jessica G. C. A. M. Buijs-Gladdines
- Department of Pediatric Oncology/Hematology, Erasmus Medical Center/Sophia Children’s Hospital, Rotterdam, The Netherlands
- Princess Máxima Center for Pediatric Oncology, Utrecht, The Netherlands
| | - Kirsten Canté-Barrett
- Department of Pediatric Oncology/Hematology, Erasmus Medical Center/Sophia Children’s Hospital, Rotterdam, The Netherlands
- Princess Máxima Center for Pediatric Oncology, Utrecht, The Netherlands
| | - Andrew P. Stubbs
- Department of Bioinformatics, Erasmus Medical Center, Rotterdam, The Netherlands
| | - Eric M. Vroegindeweij
- Department of Pediatric Oncology/Hematology, Erasmus Medical Center/Sophia Children’s Hospital, Rotterdam, The Netherlands
- Princess Máxima Center for Pediatric Oncology, Utrecht, The Netherlands
| | - Willem K. Smits
- Department of Pediatric Oncology/Hematology, Erasmus Medical Center/Sophia Children’s Hospital, Rotterdam, The Netherlands
- Princess Máxima Center for Pediatric Oncology, Utrecht, The Netherlands
| | - Ronald van Marion
- Department of Pathology, Erasmus Medical Center, Rotterdam, The Netherlands
| | | | - Martin Horstmann
- Research Institute Children’s Cancer Center Hamburg, Hamburg, Germany
- Clinic of Pediatric Hematology and Oncology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
- Co-operative Study Group for Childhood Acute Lymphoblastic Leukemia, Hamburg, Germany
| | - Roland P. Kuiper
- Princess Máxima Center for Pediatric Oncology, Utrecht, The Netherlands
- Department of Human Genetics, Radboud University Medical Center, Nijmegen, The Netherlands
| | | | | | | | - Rob Pieters
- Department of Pediatric Oncology/Hematology, Erasmus Medical Center/Sophia Children’s Hospital, Rotterdam, The Netherlands
- Princess Máxima Center for Pediatric Oncology, Utrecht, The Netherlands
| | - Jules P. P. Meijerink
- Department of Pediatric Oncology/Hematology, Erasmus Medical Center/Sophia Children’s Hospital, Rotterdam, The Netherlands
- Princess Máxima Center for Pediatric Oncology, Utrecht, The Netherlands
- * E-mail:
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Senkevitch E, Durum S. The promise of Janus kinase inhibitors in the treatment of hematological malignancies. Cytokine 2016; 98:33-41. [PMID: 28277287 DOI: 10.1016/j.cyto.2016.10.012] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2016] [Accepted: 10/20/2016] [Indexed: 01/12/2023]
Abstract
The Janus kinases (JAK) are a family of kinases that play an essential role in cytokine signaling and are implicated in the pathogenesis of autoimmune diseases and hematological malignancies. As a result, the JAKs have become attractive therapeutic targets. The discovery of a JAK2 point mutation (JAK2 V617F) as the main cause of polycythemia vera lead to the development and FDA approval of a JAK1/2 inhibitor, ruxolitinib, in 2011. This review focuses on the various JAK and associated components aberrations implicated in myeloproliferative neoplasms, leukemias, and lymphomas. In addition to ruxolitinib, other JAK inhibitors are currently being evaluated in clinical trials for treating hematological malignancies. The use of JAK inhibitors alone or in combination therapy should be considered as a way to deliver targeted therapy to patients.
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Affiliation(s)
- Emilee Senkevitch
- Cytokines and Immunity Section, Cancer and Inflammation Program, National Cancer Institute, National Institutes of Health, Frederick, MD, United States
| | - Scott Durum
- Cytokines and Immunity Section, Cancer and Inflammation Program, National Cancer Institute, National Institutes of Health, Frederick, MD, United States.
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