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Fuster JL, Molinos-Quintana A, Fuentes C, Fernández JM, Velasco P, Pascual T, Rives S, Dapena JL, Sisinni L, López-Godino O, Palomo P, Villa-Alcázar M, Bautista F, González-Vicent M, López-Duarte M, García-Morín M, Ramos-Elbal E, Ramírez M. Blinatumomab and inotuzumab for B cell precursor acute lymphoblastic leukaemia in children: a retrospective study from the Leukemia Working Group of the Spanish Society of Pediatric Hematology and Oncology (SEHOP). Br J Haematol 2020; 190:764-771. [PMID: 32314348 DOI: 10.1111/bjh.16647] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2020] [Accepted: 03/16/2020] [Indexed: 12/13/2022]
Abstract
Blinatumomab and inotuzumab ozogamycin represent promising alternatives to conventional chemotherapy in acute lymphoblastic leukaemia (ALL). We analysed data from 29 children with ALL treated under compassionate use with blinatumomab, inotuzumab or both. The complete remission (CR) rate in a heavily pretreated population with overt relapse was 47·6%. At earlier stages (first/second CR), both antibodies represented a useful tool to reduce minimal residual disease, and/or avoid further toxic chemotherapy until stem cell transplantation. Six patients developed grade 3 reversible non-haematological toxicity. The 12-month overall survival and event-free survival rates were 50·8 ± 26·4% and 38·9 ± 25·3% with blinatumomab, 45·8 ± 26% and 27·5 ± 25% with inotuzumab.
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Affiliation(s)
- José L Fuster
- Pediatric Oncology and Haematology Department, Hospital Clínico Universitario Virgen de la Arrixaca, Instituto Murciano de Investigación Biosanitaria (IMIB), Murcia, Spain
| | - Agueda Molinos-Quintana
- Department of Hematology, Pediatric Hematology, Hospital Universitario Virgen del Rocío, Instituto de Biomedicina (IBIS/CISC), Sevilla, Spain
| | - Carolina Fuentes
- Pediatric Oncology and Haematology Department, Hospital Universitario y Politécnico La Fe, Valencia, Spain
| | - José M Fernández
- Pediatric Oncology and Haematology Department, Hospital Universitario y Politécnico La Fe, Valencia, Spain
| | - Pablo Velasco
- Pediatric Oncology and Haematology Department, Hospital Universitario Vall d'Hebron, Barcelona, Spain
| | - Toñi Pascual
- Pediatric Hematology Unit, Hematology Department, Hospital Regional Universitario de Málaga, Málaga, Spain
| | - Susana Rives
- Hematology Department, Hospital San Joan de Déu, Institut de Reserca Sant Joan de Déu, Barcelona, Spain
| | - José L Dapena
- Hematology Department, Hospital San Joan de Déu, Institut de Reserca Sant Joan de Déu, Barcelona, Spain
| | - Luisa Sisinni
- Pediatric Hematology, Oncology and Hematopoietic Stem Cell Transplantation Unit, Santa Creu i Sant Pau Hospital, Barcelona, Spain
| | - Oriana López-Godino
- Hematology and Oncology Department, Centro Regional de Hemodonación, Hospital Universitario Morales Meseguer, Universidad de Murcia, Instituto Murciano de Investigación Biosanitaria (IMIB-Arrixaca), CIBERER, Murcia, Spain
| | - Pilar Palomo
- Pediatric Hematology Unit, Hematology Department., Hospital Universitario Central de Asturias, Oviedo, Spain
| | - Marta Villa-Alcázar
- Hematology and Oncology Department, Hospital Universitario HM Montepríncipe, HM/CIOCC, Madrid, Spain
| | - Francisco Bautista
- Pediatric Oncology, Haematology and Stem Cell Transplantation Department, Hospital Niño Jesús, Madrid, Spain
| | - Marta González-Vicent
- Pediatric Oncology, Haematology and Stem Cell Transplantation Department, Hospital Niño Jesús, Madrid, Spain
| | - Mónica López-Duarte
- Pediatric Hematology Unit, Hematology Department, Hospital de Valdecilla, Santander, Spain
| | - Marina García-Morín
- Pediatric Oncology and Haematology Department, Hospital General Universitario Gregorio Marañón, Madrid, Spain
| | - Eduardo Ramos-Elbal
- Pediatric Oncology and Haematology Department, Hospital Clínico Universitario Virgen de la Arrixaca, Instituto Murciano de Investigación Biosanitaria (IMIB), Murcia, Spain
| | - Manuel Ramírez
- Pediatric Oncology, Haematology and Stem Cell Transplantation Department, Hospital Niño Jesús, Madrid, Spain
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2
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Barzaghi F, Amaya Hernandez LC, Neven B, Ricci S, Kucuk ZY, Bleesing JJ, Nademi Z, Slatter MA, Ulloa ER, Shcherbina A, Roppelt A, Worth A, Silva J, Aiuti A, Murguia-Favela L, Speckmann C, Carneiro-Sampaio M, Fernandes JF, Baris S, Ozen A, Karakoc-Aydiner E, Kiykim A, Schulz A, Steinmann S, Notarangelo LD, Gambineri E, Lionetti P, Shearer WT, Forbes LR, Martinez C, Moshous D, Blanche S, Fisher A, Ruemmele FM, Tissandier C, Ouachee-Chardin M, Rieux-Laucat F, Cavazzana M, Qasim W, Lucarelli B, Albert MH, Kobayashi I, Alonso L, Diaz De Heredia C, Kanegane H, Lawitschka A, Seo JJ, Gonzalez-Vicent M, Diaz MA, Goyal RK, Sauer MG, Yesilipek A, Kim M, Yilmaz-Demirdag Y, Bhatia M, Khlevner J, Richmond Padilla EJ, Martino S, Montin D, Neth O, Molinos-Quintana A, Valverde-Fernandez J, Broides A, Pinsk V, Ballauf A, Haerynck F, Bordon V, Dhooge C, Garcia-Lloret ML, Bredius RG, Kałwak K, Haddad E, Seidel MG, Duckers G, Pai SY, Dvorak CC, Ehl S, Locatelli F, Goldman F, Gennery AR, Cowan MJ, Roncarolo MG, Bacchetta R. Long-term follow-up of IPEX syndrome patients after different therapeutic strategies: An international multicenter retrospective study. J Allergy Clin Immunol 2017; 141:1036-1049.e5. [PMID: 29241729 PMCID: PMC6050203 DOI: 10.1016/j.jaci.2017.10.041] [Citation(s) in RCA: 181] [Impact Index Per Article: 25.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2017] [Revised: 10/06/2017] [Accepted: 10/12/2017] [Indexed: 01/15/2023]
Abstract
Background Immunodysregulation polyendocrinopathy enteropathy x-linked(IPEX) syndromeis a monogenic autoimmune disease caused by FOXP3 mutations. Because it is a rare disease, the natural history and response to treatments, including allogeneic hematopoietic stem cell transplantation (HSCT) and immunosuppression (IS), have not been thoroughly examined. Objective This analysis sought to evaluate disease onset, progression, and long-term outcome of the 2 main treatments in long-term IPEX survivors. Methods Clinical histories of 96 patients with a genetically proven IPEX syndrome were collected from 38 institutions worldwide and retrospectively analyzed. To investigate possible factors suitable to predict the outcome, an organ involvement (OI) scoring system was developed. Results We confirm neonatal onset with enteropathy, type 1 diabetes, and eczema. In addition, we found less common manifestations in delayed onset patients or during disease evolution. There is no correlation between the site of mutation and the disease course or outcome, and the same genotype can present with variable phenotypes. HSCT patients (n = 58) had a median follow-up of 2.7 years (range, 1 week-15 years). Patients receiving chronic IS (n = 34) had a median follow-up of 4 years (range, 2 months-25 years). The overall survival after HSCT was 73.2% (95% CI, 59.4-83.0) and after IS was 65.1% (95% CI, 62.8-95.8). The pretreatment OI score was the only significant predictor of overall survival after transplant (P = .035) but not under IS. Conclusions Patients receiving chronic IS were hampered by disease recurrence or complications, impacting long-term disease-free survival. When performed in patients with a low OI score, HSCT resulted in disease resolution with better quality of life, independent of age, donor source, or conditioning regimen.
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MESH Headings
- Adolescent
- Adult
- Allografts
- Child
- Child, Preschool
- Diabetes Mellitus, Type 1/congenital
- Diabetes Mellitus, Type 1/genetics
- Diabetes Mellitus, Type 1/immunology
- Diabetes Mellitus, Type 1/mortality
- Diabetes Mellitus, Type 1/therapy
- Diarrhea/genetics
- Diarrhea/immunology
- Diarrhea/mortality
- Diarrhea/therapy
- Disease-Free Survival
- Female
- Follow-Up Studies
- Forkhead Transcription Factors/genetics
- Forkhead Transcription Factors/immunology
- Genetic Diseases, X-Linked/genetics
- Genetic Diseases, X-Linked/immunology
- Genetic Diseases, X-Linked/mortality
- Genetic Diseases, X-Linked/therapy
- Hematopoietic Stem Cell Transplantation
- Humans
- Immune System Diseases/congenital
- Immune System Diseases/genetics
- Immune System Diseases/immunology
- Immune System Diseases/mortality
- Immune System Diseases/therapy
- Immunosuppression Therapy
- Infant
- Male
- Mutation
- Retrospective Studies
- Survival Rate
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Affiliation(s)
- Federica Barzaghi
- San Raffaele Telethon Institute for Gene Therapy, Pediatric Immunohematology and Bone Marrow Transplantation Unit, Istituto di Ricovero e Cura a Carattere Scientifico San Raffaele Scientific Institute, Milan, Italy
| | - Laura Cristina Amaya Hernandez
- Division of Stem Cell Transplantation and Regenerative Medicine, Department of Pediatrics, Stanford University School of Medicine, Stanford, Calif
| | - Benedicte Neven
- Paediatric Immunology, Haematology and Rheumatology Department, Necker-Enfants Malades University Hospital, Assistance Publique-Hôpitaux de Paris, Paris Descartes-Université Sorbonne Paris Cité, Institut Imagine, Paris, France
| | - Silvia Ricci
- Pediatric Immunology, "Anna Meyer" Children's Hospital, Florence, Italy
| | - Zeynep Yesim Kucuk
- Bone Marrow Transplantation and Immune Deficiency, Cancer and Blood Diseases Institute, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio
| | - Jack J Bleesing
- Bone Marrow Transplantation and Immune Deficiency, Cancer and Blood Diseases Institute, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio
| | - Zohreh Nademi
- Institute of Cellular Medicine, Newcastle University and Children's Bone Marrow Transplant Unit, Great North Children's Hospital, Newcastle Upon Tyne, United Kingdom
| | - Mary Anne Slatter
- Institute of Cellular Medicine, Newcastle University and Children's Bone Marrow Transplant Unit, Great North Children's Hospital, Newcastle Upon Tyne, United Kingdom
| | | | - Anna Shcherbina
- Department of Immunology, Research and Clinical Center for Pediatric Hematology, Oncology and Immunology, Moscow, Russia
| | - Anna Roppelt
- Department of Immunology, Research and Clinical Center for Pediatric Hematology, Oncology and Immunology, Moscow, Russia
| | - Austen Worth
- Department of Immunology and Gene Therapy, Great Ormond Street Hospital, London, United Kingdom
| | - Juliana Silva
- Department of Stem Cell Transplantation, Great Ormond Street Hospital, London, United Kingdom
| | - Alessandro Aiuti
- San Raffaele Telethon Institute for Gene Therapy, Pediatric Immunohematology and Bone Marrow Transplantation Unit, Istituto di Ricovero e Cura a Carattere Scientifico San Raffaele Scientific Institute, Milan, Italy; Vita-Salute San Raffaele University, Milan, Italy
| | - Luis Murguia-Favela
- Division of Clinical Immunology and Allergy, Department of Pediatrics, Hospital for Sick Children, Toronto, Ontario, Canada
| | - Carsten Speckmann
- Department of Pediatrics and Adolescent Medicine, University of Freiburg, Freiburg, Germany; Center for Chronic Immunodeficiency, Medical Center, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Magda Carneiro-Sampaio
- Department of Pediatrics, Faculdade de Medicina da Universidade de São Paulo and Hospital Albert Einstein, São Paulo, Brazil
| | - Juliana Folloni Fernandes
- Stem Cell Transplantation Unit, Instituto da Criança, Faculdade de Medicina da Universidade de São Paulo and Hospital Albert Einstein, São Paulo, Brazil
| | - Safa Baris
- Pediatric Allergy and Immunology, Marmara University, Istanbul, Turkey
| | - Ahmet Ozen
- Pediatric Allergy and Immunology, Marmara University, Istanbul, Turkey
| | | | - Ayca Kiykim
- Pediatric Allergy and Immunology, Marmara University, Istanbul, Turkey
| | - Ansgar Schulz
- Department of Pediatrics, University Medical Center, Ulm, Germany
| | - Sandra Steinmann
- Department of Pediatrics, University Medical Center, Ulm, Germany
| | - Lucia Dora Notarangelo
- Pediatric Onco-Hematology and Bone Marrow Transplant (BMT) Unit, Children's Hospital, Spedali Civili, Brescia, Italy
| | - Eleonora Gambineri
- Department of Hematology-Oncology: Bone Marrow Transplant (BMT) Unit, "Anna Meyer" Children's Hospital, Florence, Italy
| | - Paolo Lionetti
- Gastroenterology Unit, University of Florence, Department of "NEUROFARBA": Section of Child's Health, "Anna Meyer" Children's Hospital, Florence, Italy
| | - William Thomas Shearer
- Department of Pediatrics, Section of Immunology Allergy Rheumatology, Baylor College of Medicine Texas Children's Hospital, Houston, Tex
| | - Lisa R Forbes
- Department of Pediatrics, Section of Immunology Allergy Rheumatology, Baylor College of Medicine Texas Children's Hospital, Houston, Tex
| | - Caridad Martinez
- Department of Pediatric Hematology and Oncology, Baylor College of Medicine Texas Children's Hospital, Houston, Tex
| | - Despina Moshous
- Paediatric Immunology, Haematology and Rheumatology Department, Necker-Enfants Malades University Hospital, Assistance Publique-Hôpitaux de Paris, Paris Descartes-Université Sorbonne Paris Cité, Institut Imagine, Paris, France
| | - Stephane Blanche
- Paediatric Immunology, Haematology and Rheumatology Department, Necker-Enfants Malades University Hospital, Assistance Publique-Hôpitaux de Paris, Paris Descartes-Université Sorbonne Paris Cité, Institut Imagine, Paris, France
| | - Alain Fisher
- Paediatric Immunology, Haematology and Rheumatology Department, Necker-Enfants Malades University Hospital, Assistance Publique-Hôpitaux de Paris, Paris Descartes-Université Sorbonne Paris Cité, Institut Imagine, Paris, France
| | - Frank M Ruemmele
- Pediatric Gastroenterology unit, Necker-Enfants Malades University Hospital, Assistance Publique-Hôpitaux de Paris, Paris Descartes-Université Sorbonne Paris Cité, Paris, France
| | - Come Tissandier
- Pediatric Gastroenterology unit, Necker-Enfants Malades University Hospital, Assistance Publique-Hôpitaux de Paris, Paris Descartes-Université Sorbonne Paris Cité, Paris, France
| | - Marie Ouachee-Chardin
- Hematology Unit, Robert Debré Hospital, Assistance Publique-Hôpitaux de Paris, Paris, France
| | - Frédéric Rieux-Laucat
- Institut national de la santé et de la recherche médicale (INSERM) UMR 1163, Laboratory of Immunogenetics of Pediatric Autoimmune Disease, Paris, France
| | - Marina Cavazzana
- Biotherapy Department, Necker-Enfants Malades University Hospital, Paris Descartes -Université Sorbonne Paris Cité, Institut Imagine, Paris, France
| | - Waseem Qasim
- Great Ormond Street Institute of Child Health, University College London, London, United Kingdom
| | - Barbarella Lucarelli
- Department of Pediatric Hematology-Oncology, University of Pavia, Istituto di Ricovero e Cura a Carattere Scientifico, Bambino Gesù Children's Hospital, Rome, Italy
| | - Michael H Albert
- Pediatric Hematology-Oncology, Dr. von Hauner Children's hospital, Ludwig-Maximilians Universität, Munich, Germany
| | - Ichiro Kobayashi
- Center for Pediatric Allergy and Rheumatology, KKR Sapporo Medical Center, Sapporo, Japan
| | - Laura Alonso
- Paediatric Haematology and Oncology, Hospital Universitario Vall D'Hebron, Barcelona, Spain
| | | | - Hirokazu Kanegane
- Pediatrics and Developmental Biology, Tokyo Medical and Dental University, Tokyo, Japan
| | - Anita Lawitschka
- St. Anna Children's Hospital, Medical University Vienna, Vienna, Austria
| | - Jong Jin Seo
- Pediatrics, University of Ulsan College of Medicine and Asan Medical Center, Seoul, Korea
| | - Marta Gonzalez-Vicent
- Hematopoietic Stem Cell Transplantation Unit, Pediatric Department, Children's University Hospital Niño Jesús, Madrid, Spain
| | - Miguel Angel Diaz
- Hematopoietic Stem Cell Transplantation Unit, Pediatric Department, Children's University Hospital Niño Jesús, Madrid, Spain
| | - Rakesh Kumar Goyal
- Division of Blood and Marrow Transplantation and Cellular Therapies, Department of Pediatrics, Children's Hospital of Pittsburgh of University of Pittsburgh Medical Center, Pittsburgh, Pa
| | - Martin G Sauer
- Department of Pediatric Hematology and Oncology, Hannover Medical School, Hannover, Germany
| | - Akif Yesilipek
- Pediatric Stem Cell Transplantation Unit, Medicalpark Hospital Goztepe and Antalya Hospitals, Antalya, Turkey
| | - Minsoo Kim
- Pediatric Allergy, Immunology and Rheumatology, Columbia Medical Center, New York, NY
| | - Yesim Yilmaz-Demirdag
- Pediatric Allergy, Immunology and Rheumatology, Columbia Medical Center, New York, NY
| | - Monica Bhatia
- Pediatric Hematology, Oncology and Stem Cell Transplantation, Columbia Medical Center, New York, NY
| | - Julie Khlevner
- Pediatric Gastroenterology, Hepatology, and Nutrition, Columbia Medical Center, New York, NY
| | | | - Silvana Martino
- Division of Immunology and Rheumatology, Department of Paediatric Infectious Diseases, University of Turin, Regina Margherita Children's Hospital, Turin, Italy
| | - Davide Montin
- Division of Immunology and Rheumatology, Department of Paediatric Infectious Diseases, University of Turin, Regina Margherita Children's Hospital, Turin, Italy
| | - Olaf Neth
- Department of Paediatric Infectious Diseases, Rheumatology and Immunodeficiency, Instituto de Biomedicina de Sevilla/CSIC/Universidad de Sevilla, Seville, Spain
| | - Agueda Molinos-Quintana
- Department of Pediatric Hematology, Instituto de Biomedicina de Sevilla/CSIC/Universidad de Sevilla, Seville, Spain
| | - Justo Valverde-Fernandez
- Department of Paediatirc Gastroenterology, Hospital Universitario Virgen del Rocío, Instituto de Biomedicina de Sevilla/Unite Mixte de Recherche (UMR) or Mixed Unit of Research Consejo Superior de Investigaciones Científicas (CSIC)/Universidad de Sevilla, Seville, Spain
| | - Arnon Broides
- Pediatric Immunology Clinic, Soroka University Medical Center, Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer Sheva, Israel
| | - Vered Pinsk
- Pediatric Ambulatory Care Unit, Soroka University Medical Center, Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer Sheva, Israel
| | - Antje Ballauf
- Department of Pediatrics, Helios Children's Hospital, Krefeld, Germany
| | - Filomeen Haerynck
- Department of Pediatrics, Center for Primary Immunodeficiencies, Ghent University Hospital, Ghent, Belgium
| | - Victoria Bordon
- Department of Pediatrics, Center for Primary Immunodeficiencies, Ghent University Hospital, Ghent, Belgium
| | - Catharina Dhooge
- Department of Pediatrics, Center for Primary Immunodeficiencies, Ghent University Hospital, Ghent, Belgium
| | - Maria Laura Garcia-Lloret
- Division of Pediatric Allergy, Immunology and Rheumatology, University of California-Los Angeles School of Medicine, Los Angeles, Calif
| | - Robbert G Bredius
- Pediatric Immunology, Infections and Stem Cell Transplantation (SCT), Leiden University Medical Center, Leiden, The Netherlands
| | - Krzysztof Kałwak
- Department of Pediatric Hematology, Oncology and Bone Marrow Transplant (BMT) Unit, Wroclaw Medical University, Wroclaw, Poland
| | - Elie Haddad
- Department of Pediatrics, Saint Justine Hospital, University of Montreal, Montreal, Quebec, Canada
| | - Markus Gerhard Seidel
- Division of Pediatric Hematology-Oncology, Research Unit Pediatric Hematology and Immunology, Medical University Graz, Graz, Austria
| | - Gregor Duckers
- Department of Pediatrics, Helios Children's Hospital, Krefeld, Germany
| | - Sung-Yun Pai
- Pediatrics, Boston Children's Hospital, Boston, Mass; Pediatric Oncology, Dana-Farber Cancer Institute, Boston, Mass
| | - Christopher C Dvorak
- Pediatric Allergy, Immunology and Bone Marrow Transplant, University of California-San Francisco Benioff Children's Hospital, San Francisco, Calif
| | - Stephan Ehl
- Center for Chronic Immunodeficiency, Medical Center, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Franco Locatelli
- Department of Pediatric Hematology-Oncology, University of Pavia, Istituto di Ricovero e Cura a Carattere Scientifico, Bambino Gesù Children's Hospital, Rome, Italy
| | | | - Andrew Richard Gennery
- Institute of Cellular Medicine, Newcastle University and Children's Bone Marrow Transplant Unit, Great North Children's Hospital, Newcastle Upon Tyne, United Kingdom
| | - Mort J Cowan
- Pediatric Allergy, Immunology and Bone Marrow Transplant, University of California-San Francisco Benioff Children's Hospital, San Francisco, Calif
| | - Maria-Grazia Roncarolo
- Division of Stem Cell Transplantation and Regenerative Medicine, Department of Pediatrics, Stanford University School of Medicine, Stanford, Calif
| | - Rosa Bacchetta
- Division of Stem Cell Transplantation and Regenerative Medicine, Department of Pediatrics, Stanford University School of Medicine, Stanford, Calif.
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4
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Toscano MG, Muñoz P, Sánchez-Gilabert A, Cobo M, Benabdellah K, Anderson P, Ramos-Mejía V, Real PJ, Neth O, Molinos-Quintana A, Gregory PD, Holmes MC, Martin F. Absence of WASp Enhances Hematopoietic and Megakaryocytic Differentiation in a Human Embryonic Stem Cell Model. Mol Ther 2015; 24:342-353. [PMID: 26502776 PMCID: PMC4817813 DOI: 10.1038/mt.2015.196] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2015] [Accepted: 10/14/2015] [Indexed: 12/15/2022] Open
Abstract
The Wiskott-Aldrich syndrome (WAS) is an X-linked primary immunodeficiency caused by mutations in the WAS gene and characterized by severe thrombocytopenia. Although the role of WASp in terminally differentiated lymphocytes and myeloid cells is well characterized, its role in early hematopoietic differentiation and in platelets (Plts) biology is poorly understood. In the present manuscript, we have used zinc finger nucleases targeted to the WAS locus for the development of two isogenic WAS knockout (WASKO) human embryonic stem cell lines (hESCs). Upon hematopoietic differentiation, hESCs-WASKO generated increased ratios of CD34+CD45+ progenitors with altered responses to stem cell factor compared to hESCs-WT. When differentiated toward the megakaryocytic linage, hESCs-WASKO produced increased numbers of CD34+CD41+ progenitors, megakaryocytes (MKs), and Plts. hESCs-WASKO-derived MKs and Plts showed altered phenotype as well as defective responses to agonist, mimicking WAS patients MKs and Plts defects. Interestingly, the defects were more evident in WASp-deficient MKs than in WASp-deficient Plts. Importantly, ectopic WAS expression using lentiviral vectors restored normal Plts development and MKs responses. These data validate the AND-1_WASKO cell lines as a human cellular model for basic research and for preclinical studies for WAS.
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Affiliation(s)
- Miguel G Toscano
- Genomic Medicine Department, GENYO, Centre for Genomics and Oncological Research, Pfizer-University of Granada-Andalusian Regional Government, Parque Tecnológico Ciencias de la Salud, Granada, Spain; Current address: Amarna Therapeutics S.L., Instituto Cartuja, C/ Leonardo da Vinci 19ª, Seville, Spain
| | - Pilar Muñoz
- Genomic Medicine Department, GENYO, Centre for Genomics and Oncological Research, Pfizer-University of Granada-Andalusian Regional Government, Parque Tecnológico Ciencias de la Salud, Granada, Spain; Current address: University College London-Institute of Child Health, London, UK
| | - Almudena Sánchez-Gilabert
- Genomic Medicine Department, GENYO, Centre for Genomics and Oncological Research, Pfizer-University of Granada-Andalusian Regional Government, Parque Tecnológico Ciencias de la Salud, Granada, Spain
| | - Marién Cobo
- Genomic Medicine Department, GENYO, Centre for Genomics and Oncological Research, Pfizer-University of Granada-Andalusian Regional Government, Parque Tecnológico Ciencias de la Salud, Granada, Spain
| | - Karim Benabdellah
- Genomic Medicine Department, GENYO, Centre for Genomics and Oncological Research, Pfizer-University of Granada-Andalusian Regional Government, Parque Tecnológico Ciencias de la Salud, Granada, Spain
| | - Per Anderson
- Genomic Medicine Department, GENYO, Centre for Genomics and Oncological Research, Pfizer-University of Granada-Andalusian Regional Government, Parque Tecnológico Ciencias de la Salud, Granada, Spain
| | - Verónica Ramos-Mejía
- Genomic Oncology Department, GENYO, Centre for Genomics and Oncological Research, Pfizer-University of Granada-Andalusian Regional Government, Parque Tecnológico Ciencias de la Salud, Granada, Spain
| | - Pedro J Real
- Genomic Oncology Department, GENYO, Centre for Genomics and Oncological Research, Pfizer-University of Granada-Andalusian Regional Government, Parque Tecnológico Ciencias de la Salud, Granada, Spain
| | - Olaf Neth
- Unidad de Enfermedades Infecciosas e Inmunopatologías Pediátricas, Hospitales Universitarios Virgen del Rocío, Instituto de Biomedicina de Sevilla, Sevilla, Spain
| | - Agueda Molinos-Quintana
- UGC Hematología y Hemoterapia, Hospital Infantil Virgen del Rocío, Instituto de Biomedicina de Sevilla (IBIS)/CSIC/Universidad de Sevilla, Seville, Spain
| | - Philip D Gregory
- Sangamo BioSciences, Inc., Pt. Richmond Tech Center, Richmond, California, USA
| | - Michael C Holmes
- Sangamo BioSciences, Inc., Pt. Richmond Tech Center, Richmond, California, USA
| | - Francisco Martin
- Genomic Medicine Department, GENYO, Centre for Genomics and Oncological Research, Pfizer-University of Granada-Andalusian Regional Government, Parque Tecnológico Ciencias de la Salud, Granada, Spain.
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