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Slatter MA, Gennery AR. Haematopoietic Stem Cell Transplantation for Chronic Granulomatous Disease. J Clin Med 2023; 12:6083. [PMID: 37763024 PMCID: PMC10532348 DOI: 10.3390/jcm12186083] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [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: 08/11/2023] [Revised: 08/30/2023] [Accepted: 09/05/2023] [Indexed: 09/29/2023] Open
Abstract
Chronic granulomatous disease (CGD) is an inborn error of immunity due to defects in the transport or function of subunits of nicotinamide adenine dinucleotide phosphate oxidase, the enzyme that generates the phagocyte respiratory burst responsible for intracellular killing of engulfed micro-organisms. Patients present with infectious or inflammatory complications. Common bacterial pathogens include Staphylococcus aureus and Burkholderia cepacia complex. Fungal pathogens include Aspergillus species, particularly Aspergillus fumigatus. Inflammatory complications most commonly manifest as inflammatory bowel disease or lung disease. Granulomata are the distinguishing histological feature. Haematopoietic stem cell transplantation (HSCT) was first considered for CGD in the early 1970's. Since then, refinements in transplant technique, donor selection, conditioning regimens, and graft engineering have widened the option of HSCT to most patients with CGD. This review charts the progress made in HSCT for CGD.
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Affiliation(s)
- M. A. Slatter
- Translational and Clinical Research Institute, Newcastle University, Newcastle upon Tyne NE2 4HH, UK;
- Paediatric Stem Cell Transplant Unit, Great North Children’s Hospital, Newcastle upon Tyne NE1 4LP, UK
| | - A. R. Gennery
- Translational and Clinical Research Institute, Newcastle University, Newcastle upon Tyne NE2 4HH, UK;
- Paediatric Stem Cell Transplant Unit, Great North Children’s Hospital, Newcastle upon Tyne NE1 4LP, UK
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2
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Slatter MA, Maschan MA, Gennery AR. T-lymphocyte depleted transplants for inborn errors of immunity. Expert Rev Clin Immunol 2023; 19:1315-1324. [PMID: 37554030 DOI: 10.1080/1744666x.2023.2245146] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Accepted: 08/02/2023] [Indexed: 08/10/2023]
Abstract
INTRODUCTION Hematopoietic stem cell transplantation is a curative treatment for many inborn errors of immunity (IEI). Incremental improvements and advances in care have led to high rates of >85% survival and cure in many of these diseases. Improvements in HLA-classification and matching have led to increased survival using HLA-matched donors, but survival using T-lymphocyte-depleted mismatched grafts remained significantly worse until fairly recently. Advances in T-lymphocyte depletion methods and graft engineering, although not specific to IEI, have been widely adopted and instrumental in changing the landscape of donor selection, such that a donor should now be possible for every patient. AREAS COVERED A literature review focusing on T-lymphocyte depletion methodologies and treatment results was performed. The importance of early T-lymphocyte immunoreconstitution to protect against viral infection is reviewed. Two main platforms now dominate the field - immune-magnetic selection of specific cell types and post-transplant chemotherapeutic targeting of rapidly proliferating allo-reactive T-lymphocytes - the emerging literature on these reports, focusing on IEI, is explored, as well as the impact of serotherapy on early immunoreconstitution. EXPERT OPINION Pharmacokinetic monitoring of serotherapy agents, and use of co-stimulatory molecule blockade are likely to become more widespread. Post-transplant cyclophosphamide or TCR depletion strategies are likely to become the dominant methods of transplantation for nonmalignant diseases.
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Affiliation(s)
- M A Slatter
- Translational and Clinical Research Institute, Newcastle University, Newcastle upon Tyne, UK
- Paediatric Stem Cell Transplant Unit, Great North Children's Hospital, Newcastle Upon Tyne, UK
| | - M A Maschan
- Department of Hematopoietic Stem Cell Transplantation, Dmitriy Rogachev National Medical Center of Pediatric Hematology, Oncology and Immunology, Moscow, Russia
- Department of Hematology, Oncology and Radiation Therapy, Pirogov Russian National Research Medical University, Moscow, Russia
| | - A R Gennery
- Translational and Clinical Research Institute, Newcastle University, Newcastle upon Tyne, UK
- Paediatric Stem Cell Transplant Unit, Great North Children's Hospital, Newcastle Upon Tyne, UK
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3
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Schuetz C, Gerke J, Ege M, Walter J, Kusters M, Worth A, Kanakry JA, Dimitrova D, Wolska-Kuśnierz B, Chen K, Unal E, Karakukcu M, Pashchenko O, Leiding J, Kawai T, Amrolia PJ, Berghuis D, Buechner J, Buchbinder D, Cowan MJ, Gennery AR, Güngör T, Heimall J, Miano M, Meyts I, Morris EC, Rivière J, Sharapova SO, Shaw PJ, Slatter M, Honig M, Veys P, Fischer A, Cavazzana M, Moshous D, Schulz A, Albert MH, Puck JM, Lankester AC, Notarangelo LD, Neven B. Hypomorphic RAG deficiency: impact of disease burden on survival and thymic recovery argues for early diagnosis and HSCT. Blood 2023; 141:713-724. [PMID: 36279417 PMCID: PMC10082356 DOI: 10.1182/blood.2022017667] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2022] [Revised: 09/19/2022] [Accepted: 10/04/2022] [Indexed: 11/20/2022] Open
Abstract
Patients with hypomorphic mutations in the RAG1 or RAG2 gene present with either Omenn syndrome or atypical combined immunodeficiency with a wide phenotypic range. Hematopoietic stem cell transplantation (HSCT) is potentially curative, but data are scarce. We report on a worldwide cohort of 60 patients with hypomorphic RAG variants who underwent HSCT, 78% of whom experienced infections (29% active at HSCT), 72% had autoimmunity, and 18% had granulomas pretransplant. These complications are frequently associated with organ damage. Eight individuals (13%) were diagnosed by newborn screening or family history. HSCT was performed at a median of 3.4 years (range 0.3-42.9 years) from matched unrelated donors, matched sibling or matched family donors, or mismatched donors in 48%, 22%, and 30% of the patients, respectively. Grafts were T-cell depleted in 15 cases (25%). Overall survival at 1 and 4 years was 77.5% and 67.5% (median follow-up of 39 months). Infection was the main cause of death. In univariable analysis, active infection, organ damage pre-HSCT, T-cell depletion of the graft, and transplant from a mismatched family donor were predictive of worse outcome, whereas organ damage and T-cell depletion remained significant in multivariable analysis (hazard ratio [HR] = 6.01, HR = 8.46, respectively). All patients diagnosed by newborn screening or family history survived. Cumulative incidences of acute and chronic graft-versus-host disease were 35% and 22%, respectively. Cumulative incidences of new-onset autoimmunity was 15%. Immune reconstitution, particularly recovery of naïve CD4+ T cells, was faster and more robust in patients transplanted before 3.5 years of age, and without organ damage. These findings support the indication for early transplantation.
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Affiliation(s)
- C. Schuetz
- Department of Paediatrics, Universitätsklinikum Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
| | - J. Gerke
- Department of Paediatrics, Universitätsklinikum Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
| | - M. Ege
- Dr. von Hauner Children’s Hospital at Ludwig-Maximilians-Universität, München, Germany
- Helmholtz Zentrum München, Neuherberg, Germany
| | - J. Walter
- Division of Allergy and Immunology, Department of Pediatrics, Morsani College of Medicine, University of South Florida, Tampa, FL
- Division of Allergy and Immunology, Department of Medicine, Johns Hopkins All Children’s Hospital, St. Petersburg, FL
| | - M. Kusters
- Department of Immunology and Gene therapy, Great Ormond Street Hospital, NHS Foundation trust, London, United Kingdom
| | - A. Worth
- Department of Immunology and Gene therapy, Great Ormond Street Hospital, NHS Foundation trust, London, United Kingdom
| | - J. A. Kanakry
- Experimental Transplantation and Immunology Branch, National Cancer Institute, National Institutes of Health, Bethesda, MD
| | - D. Dimitrova
- Experimental Transplantation and Immunology Branch, National Cancer Institute, National Institutes of Health, Bethesda, MD
| | - B. Wolska-Kuśnierz
- Department of Immunology, Children's Memorial Health Institute, Warsaw, Poland
| | - K. Chen
- Division of Allergy and Immunology, Department of Pediatrics, University of Utah School of Medicine, Salt Lake City, UT
| | - E. Unal
- Division of Pediatric Hematology and Oncology, Department of Pediatrics, Erciyes University, Kayseri, Turkey
| | - M. Karakukcu
- Division of Pediatric Hematology and Oncology, Department of Pediatrics, Erciyes University, Kayseri, Turkey
| | - O. Pashchenko
- Department of Immunology, Pirogov Russian National Research Medical University, Moscow, Russia
| | - J. Leiding
- Division of Allergy and Immunology, Department of Pediatrics, Johns Hopkins University, Orlando Health Arnold Pamer Hospital for Children, Orlando, FL
| | - T. Kawai
- Laboratory of Clinical Immunology and Microbiology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD
| | - P. J. Amrolia
- Bone Marrow Transplant Unit, Great Ormond Street Hospital NHS Foundation Trust, London, United Kingdom
| | - D. Berghuis
- Department of Pediatrics, Willem-Alexander Children’s Hospital, Leiden University Medical Center, Leiden, The Netherlands
| | - J. Buechner
- Department of Pediatric Hematology and Oncology, Oslo University Hospital, Oslo, Norway
| | - D. Buchbinder
- Division of Hematology, Children's Hospital of Orange County, Orange, CA
| | - M. J. Cowan
- Division of Allergy, Immunology, and Blood and Marrow Transplant, Department of Pediatrics, University of California San Francisco, San Francisco, CA
| | - A. R. Gennery
- Translational and Clinical Research Institute, Newcastle University, Paediatric Haematopoietic Stem Cell Transplant Unit, Great North Children’s Hospital, Newcastle upon Tyne, United Kingdom
| | - T. Güngör
- Department of Hematology/Oncology/Immunology, Gene-therapy, and Stem Cell Transplantation, University Children’s Hospital Zurich–Eleonore Foundation & Children’s Research Center, Zürich, Switzerland
| | - J. Heimall
- Division of Allergy and Immunology, Children’s Hospital of Philadelphia, Philadelphia, PA
- Department of Pediatrics, Perelman School of Medicine at University of Pennsylvania, Philadelphia, PA
| | - M. Miano
- IRCCS Istituto Giannina Gaslini, Genova, Italy
| | - I. Meyts
- Department of Pediatrics, Department of Microbiology and Immunology, University Hospitals Leuven, Leuven, Belgium
| | - E. C. Morris
- UCL Institute of Immunity & Transplantation, University College London Hospitals NHS Foundation Trust, Royal Free London Hospital NHS Foundation Trust, London, United Kingdom
| | - J. Rivière
- Pediatric Infectious Diseases and Immunodeficiencies Unit, Vall d'Hebron Research Institute, Hospital Universitari Vall d'Hebron, Universitat Autònoma de Barcelona, Barcelona, Spain
| | - S. O. Sharapova
- Research Department, Belarusian Research Center for Pediatric Oncology, Hematology and Immunology, Minsk, Belarus
| | - P. J. Shaw
- Blood Transplant and Cell Therapies, Children’s Hospital at Westmead, Sydney, Australia
| | - M. Slatter
- Paediatric Immunology & HSCT, Great North Children's Hospital, Newcastle upon Tyne, United Kingdom
| | - M. Honig
- Department of Pediatrics and Adolescent Medicine, Ulm University, Ulm, Germany
| | - P. Veys
- Bone Marrow Transplant Unit, Great Ormond Street Hospital NHS Foundation Trust, London, United Kingdom
| | - A. Fischer
- Paediatric Immunology, Department of Immunology, Haematology and Rheumatology, Necker-Enfants Malades, Paris, France
- Institut Imagine, Paris Descartes-Sorbonne Paris Cité University, Paris, France
- Collège de France, Paris, France
| | - M. Cavazzana
- Institut Imagine, Paris Descartes-Sorbonne Paris Cité University, Paris, France
- Département de Biothérapie, Hôpital Universitaire Necker-Enfants Malades, Groupe Hospitalier Paris Centre, Assistance Publique–Hopitaux de Paris, Paris, France
- Centre d’Investigation Clinique Biothérapie, Groupe hospitalier Universitaire paris centre, Assistance Publique-Hôpitaux de Paris, INSERM CIC 1416, Paris, France
| | - D. Moshous
- Paediatric Immunology, Department of Immunology, Haematology and Rheumatology, Necker-Enfants Malades, Paris, France
- Institut Imagine, Paris Descartes-Sorbonne Paris Cité University, Paris, France
| | - A. Schulz
- Department of Pediatrics and Adolescent Medicine, Ulm University, Ulm, Germany
| | - M. H. Albert
- Pediatric SCT Program, Dr. von Hauner University Children’s Hospital, Ludwig-Maximilians Universität, München, Germany
| | - J. M. Puck
- Division of Allergy, Immunology, and Blood and Marrow Transplant, Department of Pediatrics, University of California San Francisco, San Francisco, CA
| | - A. C. Lankester
- Department of Pediatrics, Willem-Alexander Children’s Hospital, Leiden University Medical Center, Leiden, The Netherlands
| | - L. D. Notarangelo
- Laboratory of Clinical Immunology and Microbiology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD
| | - B. Neven
- Paediatric Immunology, Department of Immunology, Haematology and Rheumatology, Necker-Enfants Malades, Paris, France
| | - Inborn Errors Working Party (IEWP) of the European Society for Immunodeficiencies (ESID) and European Society for Blood and Marrow Transplantation (EBMT) and the Primary Immune Deficiency Treatment Consortium (PIDTC)
- Department of Paediatrics, Universitätsklinikum Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
- Dr. von Hauner Children’s Hospital at Ludwig-Maximilians-Universität, München, Germany
- Helmholtz Zentrum München, Neuherberg, Germany
- Division of Allergy and Immunology, Department of Pediatrics, Morsani College of Medicine, University of South Florida, Tampa, FL
- Division of Allergy and Immunology, Department of Medicine, Johns Hopkins All Children’s Hospital, St. Petersburg, FL
- Department of Immunology and Gene therapy, Great Ormond Street Hospital, NHS Foundation trust, London, United Kingdom
- Experimental Transplantation and Immunology Branch, National Cancer Institute, National Institutes of Health, Bethesda, MD
- Department of Immunology, Children's Memorial Health Institute, Warsaw, Poland
- Division of Allergy and Immunology, Department of Pediatrics, University of Utah School of Medicine, Salt Lake City, UT
- Division of Pediatric Hematology and Oncology, Department of Pediatrics, Erciyes University, Kayseri, Turkey
- Department of Immunology, Pirogov Russian National Research Medical University, Moscow, Russia
- Division of Allergy and Immunology, Department of Pediatrics, Johns Hopkins University, Orlando Health Arnold Pamer Hospital for Children, Orlando, FL
- Laboratory of Clinical Immunology and Microbiology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD
- Bone Marrow Transplant Unit, Great Ormond Street Hospital NHS Foundation Trust, London, United Kingdom
- Department of Pediatrics, Willem-Alexander Children’s Hospital, Leiden University Medical Center, Leiden, The Netherlands
- Department of Pediatric Hematology and Oncology, Oslo University Hospital, Oslo, Norway
- Division of Hematology, Children's Hospital of Orange County, Orange, CA
- Division of Allergy, Immunology, and Blood and Marrow Transplant, Department of Pediatrics, University of California San Francisco, San Francisco, CA
- Translational and Clinical Research Institute, Newcastle University, Paediatric Haematopoietic Stem Cell Transplant Unit, Great North Children’s Hospital, Newcastle upon Tyne, United Kingdom
- Department of Hematology/Oncology/Immunology, Gene-therapy, and Stem Cell Transplantation, University Children’s Hospital Zurich–Eleonore Foundation & Children’s Research Center, Zürich, Switzerland
- Division of Allergy and Immunology, Children’s Hospital of Philadelphia, Philadelphia, PA
- Department of Pediatrics, Perelman School of Medicine at University of Pennsylvania, Philadelphia, PA
- IRCCS Istituto Giannina Gaslini, Genova, Italy
- Department of Pediatrics, Department of Microbiology and Immunology, University Hospitals Leuven, Leuven, Belgium
- UCL Institute of Immunity & Transplantation, University College London Hospitals NHS Foundation Trust, Royal Free London Hospital NHS Foundation Trust, London, United Kingdom
- Pediatric Infectious Diseases and Immunodeficiencies Unit, Vall d'Hebron Research Institute, Hospital Universitari Vall d'Hebron, Universitat Autònoma de Barcelona, Barcelona, Spain
- Research Department, Belarusian Research Center for Pediatric Oncology, Hematology and Immunology, Minsk, Belarus
- Blood Transplant and Cell Therapies, Children’s Hospital at Westmead, Sydney, Australia
- Paediatric Immunology & HSCT, Great North Children's Hospital, Newcastle upon Tyne, United Kingdom
- Department of Pediatrics and Adolescent Medicine, Ulm University, Ulm, Germany
- Bone Marrow Transplant Unit, Great Ormond Street Hospital NHS Foundation Trust, London, United Kingdom
- Paediatric Immunology, Department of Immunology, Haematology and Rheumatology, Necker-Enfants Malades, Paris, France
- Institut Imagine, Paris Descartes-Sorbonne Paris Cité University, Paris, France
- Collège de France, Paris, France
- Département de Biothérapie, Hôpital Universitaire Necker-Enfants Malades, Groupe Hospitalier Paris Centre, Assistance Publique–Hopitaux de Paris, Paris, France
- Centre d’Investigation Clinique Biothérapie, Groupe hospitalier Universitaire paris centre, Assistance Publique-Hôpitaux de Paris, INSERM CIC 1416, Paris, France
- Pediatric SCT Program, Dr. von Hauner University Children’s Hospital, Ludwig-Maximilians Universität, München, Germany
- Laboratory of Clinical Immunology and Microbiology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD
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4
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Gennery AR. The challenges presented by haematopoietic stem cell transplantation in children with primary immunodeficiency. Br Med Bull 2020; 135:4-15. [PMID: 32676650 DOI: 10.1093/bmb/ldaa017] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/14/2020] [Revised: 05/13/2020] [Accepted: 05/21/2020] [Indexed: 12/13/2022]
Abstract
INTRODUCTION OR BACKGROUND For many primary immunodeficiencies (PIDs), haematopoietic stem cell transplantation (HSCT) offers treatment to cure disease. However, patients with PID present a unique set of challenges when considering HSCT. SOURCES OF DATA Review of recent literature. AREAS OF AGREEMENT The most significant recent impact on successful outcome is introduction of newborn screening programmes for diagnosis of severe combined immunodeficiency-wider adoption of screening in an increasing number of countries will see further improvements. Other PIDs have better outcomes when treated earlier, before development of co-morbidities-early referral for consideration of HSCT is important. Evolution of conditioning regimens is improving short- and long-term toxicities-targeted busulfan and low-toxicity myeloablative treosulfan regimens deliver good survival with reduced short-term toxicities. AREAS OF CONTROVERSY The most radical development, still in clinical trials, is the use of mono-antibody-based conditioning, which eliminates the requirement for chemotherapy and is likely to become much more important in HSCT for non-malignant disease in the future. GROWING POINTS Multidisciplinary working for optimum care is essential. AREAS TIMELY FOR DEVELOPING RESEARCH International collaborations are important to learn about rare presentations and complications, and to formulate the most effective and safe treatment strategies.
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Affiliation(s)
- A R Gennery
- Paediatric Immunology and Haematopoietic Stem Cell Transplantation, Great North Children's Hospital, Newcastle upon Tyne NE1 4LP, UK.,Translational and Clinical Research Institute, Newcastle University, Newcastle upon Tyne NE1 7RU, UK
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5
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Knobler R, Arenberger P, Arun A, Assaf C, Bagot M, Berlin G, Bohbot A, Calzavara-Pinton P, Child F, Cho A, French LE, Gennery AR, Gniadecki R, Gollnick HPM, Guenova E, Jaksch P, Jantschitsch C, Klemke C, Ludvigsson J, Papadavid E, Scarisbrick J, Schwarz T, Stadler R, Wolf P, Zic J, Zouboulis C, Zuckermann A, Greinix H. European dermatology forum - updated guidelines on the use of extracorporeal photopheresis 2020 - part 1. J Eur Acad Dermatol Venereol 2020; 34:2693-2716. [PMID: 33025659 PMCID: PMC7820969 DOI: 10.1111/jdv.16890] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2020] [Accepted: 08/06/2020] [Indexed: 01/01/2023]
Abstract
Background Following the first investigational study on the use of extracorporeal photopheresis for the treatment of cutaneous T‐cell lymphoma published in 1983, this technology has received continued use and further recognition for additional earlier as well as refractory forms. After the publication of the first guidelines for this technology in the JEADV in 2014, this technology has maintained additional promise in the treatment of other severe and refractory conditions in a multi‐disciplinary setting. It has confirmed recognition in well‐known documented conditions such as graft‐versus‐host disease after allogeneic bone marrow transplantation, systemic sclerosis, solid organ transplant rejection including lung, heart and liver and to a lesser extent inflammatory bowel disease. Materials and methods In order to further provide recognized expert practical guidelines for the use of this technology for all indications, the European Dermatology Forum (EDF) again proceeded to address these questions in the hands of the recognized experts within and outside the field of dermatology. This was done using the recognized and approved guidelines of EDF for this task. All authors had the opportunity to review each contribution as it was added. Results and conclusion These updated 2020 guidelines provide at present the most comprehensive available expert recommendations for the use of extracorporeal photopheresis based on the available published literature and expert consensus opinion. The guidelines are divided in two parts: PART I covers cutaneous T‐cell lymphoma, chronic graft‐versus‐host disease and acute graft‐versus‐host disease while PART II will cover scleroderma, solid organ transplantation, Crohn's disease, use of ECP in paediatrics practice, atopic dermatitis, type 1 diabetes, pemphigus, epidermolysis bullosa acquisita and erosive oral lichen planus.
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Affiliation(s)
- R Knobler
- Department of Dermatology, Medical University of Vienna, Vienna, Austria
| | - P Arenberger
- Third Faculty of Medicine, Charles University, Prague, Czech Republic
| | - A Arun
- FRCPath, The Rotherham NHA Foundation Trust, Rotherham, UK
| | - C Assaf
- Department of Dermatology and Venerology, Helios Klinikum Krefeld, Krefeld, Germany
| | - M Bagot
- Hospital Saint Louis, Université de Paris, Paris, France
| | - G Berlin
- Department of Clinical Immunology and Transfusion Medicine, Linköping University, Linköping, Sweden.,Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden
| | - A Bohbot
- Onco-Hematology Department, Hautepierre Hospital, Strasbourg, France
| | | | - F Child
- FRCP, St John's Institution of Dermatology, Guy's and St Thomas' NHS Foundation Trust, London, UK
| | - A Cho
- Department of Dermatology, Medical University of Vienna, Vienna, Austria
| | - L E French
- Department of Dermatology, University Hospital, München, Germany
| | - A R Gennery
- Translational and Clinical Research Institute, Newcastle University Great North Children's Hospital Newcastle upon Tyne, Newcastle University, Newcastle upon Tyne, UK
| | - R Gniadecki
- Division of Dermatology, University of Alberta, Edmonton, AB, Canada
| | - H P M Gollnick
- Dept. Dermatology & Venereology, Otto-von-Guericke University, Magdeburg, Germany
| | - E Guenova
- Faculty of Biology and Medicine, University of Lausanne, Lausanne, Switzerland.,Department of Dermatology, Lausanne University Hospital CHUV, Lausanne, Switzerland
| | - P Jaksch
- Department of Thoracic Surgery, Medical University Vienna, Vienna, Austria
| | - C Jantschitsch
- Department of Dermatology, Medical University of Vienna, Vienna, Austria
| | - C Klemke
- Hautklinik Städtisches Klinikum Karlsruhe, Karlsruhe, Germany
| | - J Ludvigsson
- Crown Princess Victoria Children's Hospital and Division of Pediatrics, Department of Biomedical and Clinical Sciences, University Hospital, Linköping University, Linköping, Sweden
| | - E Papadavid
- National and Kapodistrian University of Athens, Athens, Greece
| | | | - T Schwarz
- Department of Dermatology, University Clinics Schleswig-Holstein, Kiel, Germany
| | - R Stadler
- University Clinic for Dermatology Johannes Wesling Medical Centre, UKRUB, University of Bochum, Minden, Germany
| | - P Wolf
- Department of Dermatology, Medical University of Graz, Graz, Austria
| | - J Zic
- Department of Dermatology, Vanderbilt University Medical Center, Nashville, TN, USA
| | - C Zouboulis
- Departments of Dermatology, Venereology, Allergology and Immunology, Dessau Medical Center, Brandenburg Medical School Theodor Fontane, Dessau, Germany
| | - A Zuckermann
- Department of Cardiac Surgery, Medical University of Vienna, Vienna, Austria
| | - H Greinix
- Division of Haematology, LKH-Univ. Klinikum Graz, Medical University of Graz, Graz, Austria
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6
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Knobler R, Arenberger P, Arun A, Assaf C, Bagot M, Berlin G, Bohbot A, Calzavara-Pinton P, Child F, Cho A, French LE, Gennery AR, Gniadecki R, Gollnick HPM, Guenova E, Jaksch P, Jantschitsch C, Klemke C, Ludvigsson J, Papadavid E, Scarisbrick J, Schwarz T, Stadler R, Wolf P, Zic J, Zouboulis C, Zuckermann A, Greinix H. European dermatology forum: Updated guidelines on the use of extracorporeal photopheresis 2020 - Part 2. J Eur Acad Dermatol Venereol 2020; 35:27-49. [PMID: 32964529 PMCID: PMC7821314 DOI: 10.1111/jdv.16889] [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] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2020] [Accepted: 08/06/2020] [Indexed: 12/22/2022]
Abstract
Background Following the first investigational study on the use of extracorporeal photopheresis for the treatment of cutaneous T‐cell lymphoma published in 1983, this technology has received continued use and further recognition for additional earlier as well as refractory forms. After the publication of the first guidelines for this technology in the JEADV in 2014, this technology has maintained additional promise in the treatment of other severe and refractory conditions in a multidisciplinary setting. It has confirmed recognition in well‐known documented conditions such as graft‐vs.‐host disease after allogeneic bone marrow transplantation, systemic sclerosis, solid organ transplant rejection including lung, heart and liver and to a lesser extent inflammatory bowel disease. Materials and methods In order to further provide recognized expert practical guidelines for the use of this technology for all indications, the European Dermatology Forum (EDF) again proceeded to address these questions in the hands of the recognized experts within and outside the field of dermatology. This was done using the recognized and approved guidelines of EDF for this task. All authors had the opportunity to review each contribution as it was added. Results and conclusion These updated 2020 guidelines provide at present the most comprehensive available expert recommendations for the use of extracorporeal photopheresis based on the available published literature and expert consensus opinion. The guidelines were divided into two parts: PART I covers Cutaneous T‐cell lymphoma, chronic graft‐vs.‐host disease and acute graft‐vs.‐host disease, while PART II will cover scleroderma, solid organ transplantation, Crohn’s disease, use of ECP in paediatric patients, atopic dermatitis, type 1 diabetes, pemphigus, epidermolysis bullosa acquisita and erosive oral lichen planus.
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Affiliation(s)
- R Knobler
- Department of Dermatology, Medical University of Vienna, Vienna, Austria
| | - P Arenberger
- Third Faculty of Medicine, Charles University, Prague, Czech Republic
| | - A Arun
- FRCPath, The Rotherham NHA Foundation Trust, Rotherham, United Kingdom
| | - C Assaf
- Department of Dermatology and Venerology, Helios Klinikum Krefeld, Krefeld, Germany
| | - M Bagot
- Hospital Saint Louis, Université de Paris, Paris, France
| | - G Berlin
- Department of Clinical Immunology and Transfusion Medicine, Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden
| | - A Bohbot
- Onco-Hematology Department, Hautepierre Hospital, Strasbourg, France
| | | | - F Child
- FRCP, St John's Institution of Dermatology, Guy's and St Thomas' NHS Foundation Trust, London, United Kingdom
| | - A Cho
- Department of Dermatology, Medical University of Vienna, Vienna, Austria
| | - L E French
- Department of Dermatology, University Hospital, München, Germany
| | - A R Gennery
- Translational and Clinical Research Institute Newcastle University Great North Children's Hospital Newcastle upon Tyne, Newcastle University, Newcastle upon Tyne, United Kingdom
| | - R Gniadecki
- Division of Dermatology, University of Alberta, Edmonton, Canada
| | - H P M Gollnick
- Department Dermatology & Venereology Otto-von-Guericke University, Magdeburg, Germany
| | - E Guenova
- Faculty of Biology and Medicine, University of Lausanne and Department of Dermatology, Lausanne University Hospital CHUV, Lausanne, Switzerland
| | - P Jaksch
- Department of Thoracic Surgery, Medical University Vienna, Vienna, Austria
| | - C Jantschitsch
- Department of Dermatology, Medical University of Vienna, Vienna, Austria
| | - C Klemke
- Hautklinik Städtisches Klinikum Karlsruhe, Karlsruhe, Germany
| | - J Ludvigsson
- Crown Princess Victoria Children's Hospital and Division of Pediatrics, Department of Biomedical and Clinical Sciences, University Hospital, Linköping University, Linköping, Sweden
| | - E Papadavid
- National and Kapodistrian University of Athens, Athens, Greece
| | - J Scarisbrick
- University Hospital Birmingham, Birmingham, United Kingdom
| | - T Schwarz
- Department of Dermatology, University Clinics Schleswig-Holstein, Kiel, Germany
| | - R Stadler
- University Clinic for Dermatology Johannes Wesling Medical Centre, UKRUB, University of Bochum, Minden, Germany
| | - P Wolf
- Department of Dermatology, Medical University of Graz, Graz, Austria
| | - J Zic
- Vanderbilt University Medical Center Department of Dermatology, Nashville, Tennessee, USA
| | - C Zouboulis
- Departments of Dermatology, Venereology, Allergology and Immunology, Dessau Medical Center, Brandenburg Medical School Theodor Fontane, Dessau, Germany
| | - A Zuckermann
- Department of Cardiac Surgery, Medical University of Vienna, Vienna, Austria
| | - H Greinix
- LKH-Univ. Klinikum Graz, Division of Haematology, Medical University of Graz, Graz, Austria
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7
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Abstract
PURPOSE OF REVIEW Hematopoietic cell transplantation (HCT) is an established curative treatment for children with primary immunodeficiencies. This article reviews the latest developments in conditioning regimens for primary immunodeficiency (PID). It focuses on data regarding transplant outcomes according to newer reduced toxicity conditioning regimens used in HCT for PID. RECENT FINDINGS Conventional myeloablative conditioning regimens are associated with significant acute toxicities, transplant-related mortality, and late effects such as infertility. Reduced toxicity conditioning regimens have had significant positive impacts on HCT outcome, and there are now well-established strategies in children with PID. Treosulfan has emerged as a promising preparative agent. Use of a peripheral stem cell source has been shown to be associated with better donor chimerism in patients receiving reduced toxicity conditioning. Minimal conditioning regimens using monoclonal antibodies are in clinical trials with promising results thus far. Reduced toxicity conditioning has emerged as standard of care for PID and has resulted in improved transplant survival for patients with significant comorbidities.
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Affiliation(s)
- S H Lum
- Children's Haematopoietic Stem Cell Transplant Unit, Great North Children's Hospital, Newcastle upon Tyne Hospital NHS Foundation Trust, Newcastle upon Tyne, UK
| | - M Hoenig
- Department of Pediatrics, University Medical Center Ulm, Ulm, Germany
| | - A R Gennery
- Children's Haematopoietic Stem Cell Transplant Unit, Great North Children's Hospital, Newcastle upon Tyne Hospital NHS Foundation Trust, Newcastle upon Tyne, UK.,Institute of Cellular Medicine, Newcastle University, Newcastle upon Tyne, UK
| | - M A Slatter
- Children's Haematopoietic Stem Cell Transplant Unit, Great North Children's Hospital, Newcastle upon Tyne Hospital NHS Foundation Trust, Newcastle upon Tyne, UK. .,Institute of Cellular Medicine, Newcastle University, Newcastle upon Tyne, UK.
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8
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Shillitoe B, Bangs C, Guzman D, Gennery AR, Longhurst HJ, Slatter M, Edgar DM, Thomas M, Worth A, Huissoon A, Arkwright PD, Jolles S, Bourne H, Alachkar H, Savic S, Kumararatne DS, Patel S, Baxendale H, Noorani S, Yong PFK, Waruiru C, Pavaladurai V, Kelleher P, Herriot R, Bernatonienne J, Bhole M, Steele C, Hayman G, Richter A, Gompels M, Chopra C, Garcez T, Buckland M. The United Kingdom Primary Immune Deficiency (UKPID) registry 2012 to 2017. Clin Exp Immunol 2019; 192:284-291. [PMID: 29878323 DOI: 10.1111/cei.13125] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/04/2018] [Indexed: 01/25/2023] Open
Abstract
This is the second report of the United Kingdom Primary Immunodeficiency (UKPID) registry. The registry will be a decade old in 2018 and, as of August 2017, had recruited 4758 patients encompassing 97% of immunology centres within the United Kingdom. This represents a doubling of recruitment into the registry since we reported on 2229 patients included in our first report of 2013. Minimum PID prevalence in the United Kingdom is currently 5·90/100 000 and an average incidence of PID between 1980 and 2000 of 7·6 cases per 100 000 UK live births. Data are presented on the frequency of diseases recorded, disease prevalence, diagnostic delay and treatment modality, including haematopoietic stem cell transplantation (HSCT) and gene therapy. The registry provides valuable information to clinicians, researchers, service commissioners and industry alike on PID within the United Kingdom, which may not otherwise be available without the existence of a well-established registry.
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Affiliation(s)
- B Shillitoe
- On behalf of the UKPIN Registry Committee, UKPIN, London, UK.,Great North Children's Hospital, Newcastle upon Tyne, UK.,Institute of Cellular Medicine, Newcastle University, Newcastle upon Tyne, UK
| | - C Bangs
- On behalf of the UKPIN Registry Committee, UKPIN, London, UK.,Manchester University NHS Foundation Trust, Manchester, UK
| | - D Guzman
- On behalf of the UKPIN Registry Committee, UKPIN, London, UK.,UCL Centre for Immunodeficiency, Royal Free Hospital, London, UK
| | - A R Gennery
- On behalf of the UKPIN Registry Committee, UKPIN, London, UK.,Great North Children's Hospital, Newcastle upon Tyne, UK.,Institute of Cellular Medicine, Newcastle University, Newcastle upon Tyne, UK
| | - H J Longhurst
- Addenbrooke's Hospital, Cambridge Universities NHS Foundation Trust, Cambridge, UK
| | - M Slatter
- Great North Children's Hospital, Newcastle upon Tyne, UK.,Institute of Cellular Medicine, Newcastle University, Newcastle upon Tyne, UK
| | | | - M Thomas
- NHS Greater Glasgow and Clyde, Glasgow, UK
| | - A Worth
- On behalf of the UKPIN Registry Committee, UKPIN, London, UK.,Great Ormond Street Hospital and Institute of Child Health, London, UK
| | - A Huissoon
- Heart of England NHS Foundation Trust, Birmingham, Birmingham, UK
| | - P D Arkwright
- Manchester University NHS Foundation Trust, Manchester, UK
| | - S Jolles
- University Hospital of Wales, Cardiff, UK
| | - H Bourne
- The Newcastle Upon Tyne Hospitals NHS Foundation Trust, Newcastle upon Tyne, UK
| | - H Alachkar
- Salford Royal NHS Foundation Trust, Salford, UK
| | - S Savic
- Leeds Teaching Hospitals NHS Trust, Leeds, UK
| | - D S Kumararatne
- Addenbrooke's Hospital, Cambridge Universities NHS Foundation Trust, Cambridge, UK
| | - S Patel
- John Radcliffe Hospital, Headington, Oxford, UK
| | - H Baxendale
- Papworth NHS Foundation Trust, Cambridge, UK
| | - S Noorani
- Sandwell and West Birmingham Hospitals NHS Trust, Birmingham, UK
| | - P F K Yong
- Frimley Health NHS Foundation Trust, Frimley, UK
| | - C Waruiru
- Sheffield Children's NHS Foundation Trust, Sheffield, UK
| | - V Pavaladurai
- Lancashire Teaching Hospitals NHS Foundation Trust, Preston, UK
| | - P Kelleher
- Royal Brompton and Harefield NHS Foundation Trust, London, UK
| | | | - J Bernatonienne
- University Hospitals Bristol NHS Foundation Trust, Bristol, UK
| | - M Bhole
- The Dudley Group NHS Foundation Trust, Dudley, UK
| | | | - G Hayman
- Epsom and St Helier University Hospitals NHS Trust, St Helier, UK
| | - A Richter
- University Hospitals Birmingham NHS Foundation Trust, Birmingham, UK
| | - M Gompels
- North Bristol NHS Trust, Southmead Hospital, Bristol, UK
| | | | - T Garcez
- Manchester University NHS Foundation Trust, Manchester, UK
| | - M Buckland
- On behalf of the UKPIN Registry Committee, UKPIN, London, UK.,UCL Centre for Immunodeficiency, Royal Free Hospital, London, UK.,Great Ormond Street Hospital and Institute of Child Health, London, UK
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9
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Flinn AM, Roberts CF, Slatter MA, Skinner R, Robson H, Lawrence J, Guest J, Gennery AR. Thymopoiesis following HSCT; a retrospective review comparing interventions for aGVHD in a pediatric cohort. Clin Immunol 2018; 193:33-37. [PMID: 29395846 DOI: 10.1016/j.clim.2018.01.006] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2017] [Revised: 12/18/2017] [Accepted: 01/17/2018] [Indexed: 01/31/2023]
Abstract
Acute graft-versus-host disease (aGVHD) complicates allogeneic hematopoietic stem cell transplantation (HSCT), and is treated with topical and/or systemic corticosteroids. Systemic corticosteroids and aGVHD damage thymic tissue. We compared thymopoietic effect of topical steroid therapy, corticosteroids and extracorporeal photopheresis (ECP) in 102 pediatric allogeneic HSCT patients. We categorized patients into 4 groups: - no aGVHD, aGVHD treated with topical or systemic steroid, or ECP. Naïve CD4+CD45RA+CD27+ T-lymphocyte values at 3, 6, 9, 12months post-HSCT were recorded: for ECP patients, values were recorded at 3, 6, 9, 12months during ECP. Differences were compared using the Kruskal-Wallis test. 41 patients had no aGVHD, 23 had aGVHD treated topically or systemically (25), 13 received ECP. Rate of thymopoiesis was significantly different between all groups at all time-points post-transplant (p=0.002, p<0.001, p<0.001, p=0.001 respectively). Even mild aGVHD impairs thymopoiesis. Worst recovery was in ECP patients. Earlier institution of ECP may speed thymic recovery.
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Affiliation(s)
- A M Flinn
- Institute of Cellular Medicine, Newcastle University, United Kingdom.
| | - C F Roberts
- Institute of Cellular Medicine, Newcastle University, United Kingdom
| | - M A Slatter
- Institute of Cellular Medicine, Newcastle University, United Kingdom; Great North Childrens' Hospital, Newcastle-upon-Tyne, United Kingdom
| | - R Skinner
- Great North Childrens' Hospital, Newcastle-upon-Tyne, United Kingdom
| | - H Robson
- Great North Childrens' Hospital, Newcastle-upon-Tyne, United Kingdom
| | - J Lawrence
- Great North Childrens' Hospital, Newcastle-upon-Tyne, United Kingdom
| | - J Guest
- Great North Childrens' Hospital, Newcastle-upon-Tyne, United Kingdom
| | - A R Gennery
- Institute of Cellular Medicine, Newcastle University, United Kingdom; Great North Childrens' Hospital, Newcastle-upon-Tyne, United Kingdom
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10
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Edgar JDM, Buckland M, Guzman D, Conlon NP, Knerr V, Bangs C, Reiser V, Panahloo Z, Workman S, Slatter M, Gennery AR, Davies EG, Allwood Z, Arkwright PD, Helbert M, Longhurst HJ, Grigoriadou S, Devlin LA, Huissoon A, Krishna MT, Hackett S, Kumararatne DS, Condliffe AM, Baxendale H, Henderson K, Bethune C, Symons C, Wood P, Ford K, Patel S, Jain R, Jolles S, El-Shanawany T, Alachkar H, Herwadkar A, Sargur R, Shrimpton A, Hayman G, Abuzakouk M, Spickett G, Darroch CJ, Paulus S, Marshall SE, McDermott EM, Heath PT, Herriot R, Noorani S, Turner M, Khan S, Grimbacher B. The United Kingdom Primary Immune Deficiency (UKPID) Registry: report of the first 4 years' activity 2008-2012. Clin Exp Immunol 2014; 175:68-78. [PMID: 23841717 PMCID: PMC3898556 DOI: 10.1111/cei.12172] [Citation(s) in RCA: 74] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/04/2013] [Indexed: 12/11/2022] Open
Abstract
This report summarizes the establishment of the first national online registry of primary immune deficency in the United Kingdom, the United Kingdom Primary Immunodeficiency (UKPID Registry). This UKPID Registry is based on the European Society for Immune Deficiency (ESID) registry platform, hosted on servers at the Royal Free site of University College, London. It is accessible to users through the website of the United Kingdom Primary Immunodeficiency Network (www.ukpin.org.uk). Twenty-seven centres in the United Kingdom are actively contributing data, with an additional nine centres completing their ethical and governance approvals to participate. This indicates that 36 of 38 (95%) of recognized centres in the United Kingdom have engaged with this project. To date, 2229 patients have been enrolled, with a notable increasing rate of recruitment in the past 12 months. Data are presented on the range of diagnoses recorded, estimated minimum disease prevalence, geographical distribution of patients across the United Kingdom, age at presentation, diagnostic delay, treatment modalities used and evidence of their monitoring and effectiveness.
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Affiliation(s)
- J D M Edgar
- Regional Immunology Service, The Royal Hospitals, Belfast, East Yorkshire; Centre for Infection and Immunity, Queen's University Belfast, Belfast, East Yorkshire
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11
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Battersby AC, Cale CM, Goldblatt D, Gennery AR. Clinical Manifestations of Disease in X-Linked Carriers of Chronic Granulomatous Disease. J Clin Immunol 2013; 33:1276-84. [DOI: 10.1007/s10875-013-9939-5] [Citation(s) in RCA: 54] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2013] [Accepted: 09/16/2013] [Indexed: 11/28/2022]
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12
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Abstract
Chromosome 22q11 deletion is the most common chromosomal deletion syndrome and is found in the majority of patients with DiGeorge syndrome and velo-cardio-facial syndrome. Patients with CHARGE syndrome may share similar features. Cardiac malformations, speech delay, and immunodeficiency are the most common manifestations. The immunological phenotype may vary widely between patients. Severe T lymphocyte immunodeficiency is rare-thymic transplantation offers a new approach to treatment, as well as insights into thymic physiology and central tolerance. Combined partial immunodeficiency is more common, leading to recurrent sinopulmonary infection in early childhood. Autoimmunity is an increasingly recognized complication. New insights into pathophysiology are reviewed.
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Affiliation(s)
- A R Gennery
- Institute of Cellular Medicine, Old Children's Outpatients, Royal Victoria Infirmary, Newcastle upon Tyne, NE1 4LP, UK.
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13
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Elemraid MA, Eastham KM, Rushton SP, Shirley MDF, Spencer DA, Thomas MF, Hampton F, Gorton R, Pollard K, Gennery AR, Clark JE. P171 Impact of heptavalent pneumococcal conjugate vaccine on the incidence of childhood pneumonia seen in hospital in the North East of England. Thorax 2011. [DOI: 10.1136/thoraxjnl-2011-201054c.171] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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14
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McLean-Tooke A, Barge D, Spickett GP, Gennery AR. Flow Cytometric Analysis of TCR Vβ Repertoire in Patients with 22q11.2 Deletion Syndrome. Scand J Immunol 2011; 73:577-85. [DOI: 10.1111/j.1365-3083.2011.02527.x] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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15
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Elemraid MA, Pollard K, Thomas MF, Gennery AR, Eastham KM, Rushton SP, Hampton F, Singleton P, Gorton R, Spencer DA, Clark JE. Validity of using Hospital Episode Statistics data on monitoring disease trends. Thorax 2010; 66:827; author reply 827-8. [DOI: 10.1136/thx.2010.153551] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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16
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Herwadkar A, Gennery AR, Moran AS, Haeney MR, Arkwright PD. Association between hypoparathyroidism and defective T cell immunity in 22q11.2 deletion syndrome. J Clin Pathol 2010; 63:151-5. [PMID: 20154038 DOI: 10.1136/jcp.2009.072074] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
AIMS Although poor thymic function leading to viral and fungal infections can be a feature of chromosome 22q11.2 deletion syndrome, most patients have relatively normal immunity. The aim of this study was to investigate which clinical and laboratory parameters best predict the likelihood of serious or recurrent infections in patients with this syndrome. METHODS Clinical and laboratory parameters from 64 patients with 22q11.2 deletion syndrome referred to two immunology centres in the north of England were studied retrospectively. RESULTS 31 (48%) patients had no problems with infection, 21 (33%) had bacterial infections, and 12 (19%) had recurrent or persistent thrush and/or viral enteritis and bronchiolitis, the latter suggestive of a significant T cell immunodeficiency. Patients with a history of thrush/viral infections, but not those with bacterial infections, had significantly lower CD4+ and CD8+ T lymphocyte numbers (relative risk (95% CI) 0.3 (0.1 to 0.8)) and phytohaemagglutinin mitogen responses (0.4 (0.2 to 0.8)) adjusted for age at testing. Hypoparathyroidism was associated with low T lymphocyte numbers and function (p<0.05) as well as an increased risk of thrush/viral infections (p<0.0001) after adjusting for age at testing. CONCLUSIONS 22q11.2 syndrome patients with hypoparathyroidism are more likely to have a clinically significant T cell immunodeficiency and lower laboratory parameters of T cell function, with a higher risk of thrush and viral bronchiolitis and enteritis. Measurement of absolute CD3 count is a simple and accurate predictor of fungal/viral infection risk, with phytohaemagglutinin mitogen responses providing little or no further value in most patients.
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Affiliation(s)
- A Herwadkar
- Department of Immunology, Salford Royal Hospital NHS Trust, Manchester, UK
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17
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Laugel V, Dalloz C, Durand M, Sauvanaud F, Kristensen U, Vincent MC, Pasquier L, Odent S, Cormier-Daire V, Gener B, Tobias ES, Tolmie JL, Martin-Coignard D, Drouin-Garraud V, Heron D, Journel H, Raffo E, Vigneron J, Lyonnet S, Murday V, Gubser-Mercati D, Funalot B, Brueton L, Sanchez Del Pozo J, Muñoz E, Gennery AR, Salih M, Noruzinia M, Prescott K, Ramos L, Stark Z, Fieggen K, Chabrol B, Sarda P, Edery P, Bloch-Zupan A, Fawcett H, Pham D, Egly JM, Lehmann AR, Sarasin A, Dollfus H. Mutation update for the CSB/ERCC6 and CSA/ERCC8 genes involved in Cockayne syndrome. Hum Mutat 2010; 31:113-26. [PMID: 19894250 DOI: 10.1002/humu.21154] [Citation(s) in RCA: 163] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
Cockayne syndrome is an autosomal recessive multisystem disorder characterized principally by neurological and sensory impairment, cachectic dwarfism, and photosensitivity. This rare disease is linked to mutations in the CSB/ERCC6 and CSA/ERCC8 genes encoding proteins involved in the transcription-coupled DNA repair pathway. The clinical spectrum of Cockayne syndrome encompasses a wide range of severity from severe prenatal forms to mild and late-onset presentations. We have reviewed the 45 published mutations in CSA and CSB to date and we report 43 new mutations in these genes together with the corresponding clinical data. Among the 84 reported kindreds, 52 (62%) have mutations in the CSB gene. Many types of mutations are scattered along the whole coding sequence of both genes, but clusters of missense mutations can be recognized and highlight the role of particular motifs in the proteins. Genotype-phenotype correlation hypotheses are considered with regard to these new molecular and clinical data. Additional cases of molecular prenatal diagnosis are reported and the strategy for prenatal testing is discussed. Two web-based locus-specific databases have been created to list all identified variants and to allow the inclusion of future reports (www.umd.be/CSA/ and www.umd.be/CSB/).
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Affiliation(s)
- V Laugel
- Laboratory of Medical Genetics, University of Strasbourg, Strasbourg, France.
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18
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Ryan KR, Hong M, Arkwright PD, Gennery AR, Costigan C, Dominguez M, Denning D, McConnell V, Cant AJ, Abinun M, Spickett GP, Lilic D. Impaired dendritic cell maturation and cytokine production in patients with chronic mucocutanous candidiasis with or without APECED. Clin Exp Immunol 2009; 154:406-14. [PMID: 19037923 DOI: 10.1111/j.1365-2249.2008.03778.x] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
Patients with chronic mucocutaneous candidiasis (CMC) suffer persistent infections with the yeast Candida. CMC includes patients with autoimmune regulator (AIRE) gene mutations who have autoimmune polyendocrinopathy candidiasis ectodermal dystrophy (APECED), and patients without known mutations. CMC patients have dysregulated cytokine production, and dendritic cells (DCs), as central orchestrators, may underlie pathogenic disease mechanisms. In 29 patients with CMC (13 with APECED) and controls, we generated monocyte-derived DCs, stimulated them with Candida albicans, Toll-like receptor-2/6 ligand and lipopolysaccharide to assess cytokine production [interleukin (IL)-12p70, IL-23, interferon (IFN)-gamma, IL-2, tumour necrosis factor (TNF)-alpha, IL-6, transforming growth factor-beta, IL-10, IL-5, IL-13] and cell-surface maturation marker expression (CD83, CD86, human leucocyte antigen D-related). In both APECED and non-APECED CMC patients, we demonstrate impairment of DC function as evidenced by altered cytokine expression profiles and DC maturation/activation: (1) both groups over-produce IL-2, IFN-gamma, TNF-alpha and IL-13 and demonstrate impaired DC maturation. (2) Only non-APECED patients showed markedly decreased Candida-stimulated production of IL-23 and markedly increased production of IL-6, suggesting impairment of the IL-6/IL-23/T helper type 17 axis. (3) In contrast, only APECED patients showed DC hyperactivation, which may underlie altered T cell responsiveness, autoimmunity and impaired response to Candida. We demonstrate different pathogenic mechanisms on the same immune response pathway underlying increased susceptibility to Candida infection in these patients.
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Affiliation(s)
- K R Ryan
- Institute for Cellular Medicine, Faculty of Medical Sciences, Newcastle University, Newcastle upon Tyne, UK
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19
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Hong M, Ryan KR, Arkwright PD, Gennery AR, Costigan C, Dominguez M, Denning DW, McConnell V, Cant AJ, Abinun M, Spickett GP, Swan DC, Gillespie CS, Young DA, Lilic D. Pattern recognition receptor expression is not impaired in patients with chronic mucocutanous candidiasis with or without autoimmune polyendocrinopathy candidiasis ectodermal dystrophy. Clin Exp Immunol 2009; 156:40-51. [PMID: 19196253 PMCID: PMC2673740 DOI: 10.1111/j.1365-2249.2009.03873.x] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/10/2008] [Indexed: 12/30/2022] Open
Abstract
Patients with chronic mucocutaneous candidiasis (CMC) have an unknown primary immune defect and are unable to clear infections with the yeast Candida. CMC includes patients with AIRE gene mutations who have autoimmune polyendocrinopathy candidiasis ectodermal dystrophy (APECED), and patients without known mutations. CMC patients have dysregulated cytokine production, suggesting that defective expression of pattern recognition receptors (PRRs) may underlie disease pathogenesis. In 29 patients with CMC (13 with APECED) and controls, we assessed dendritic cell (DC) subsets and monocyte Toll-like receptor (TLR) expression in blood. We generated and stimulated monocyte-derived (mo)DCs with Candida albicans, TLR-2/6 ligand and lipopolysaccharide and assessed PRR mRNA expression by polymerase chain reaction [TLR-1-10, Dectin-1 and -2, spleen tyrosine kinase (Syk) and caspase recruitment domain (CARD) 9] in immature and mature moDCs. We demonstrate for the first time that CMC patients, with or without APECED, have normal blood levels of plasmocytoid and myeloid DCs and monocyte TLR-2/TLR-6 expression. We showed that in immature moDCs, expression levels of all PRRs involved in anti-Candida responses (TLR-1, -2, -4, -6, Dectin-1, Syk, CARD9) were comparable to controls, implying that defects in PRR expression are not responsible for the increased susceptibility to Candida infections seen in CMC patients. However, as opposed to healthy controls, both groups of CMC patients failed to down-regulate PRR mRNA expression in response to Candida, consistent with defective DC maturation, as we reported recently. Thus, impaired DC maturation and consequent altered regulation of PRR signalling pathways rather than defects in PRR expression may be responsible for inadequate Candida handling in CMC patients.
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Affiliation(s)
- M Hong
- Institute for Cellular Medicine, Faculty of Medical Sciences, Newcastle University, Newcastle upon Tyne, UK
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20
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Shaw BE, Veys P, Pagliuca A, Addada J, Cook G, Craddock CF, Gennery AR, Goldman J, Mackinnon S, Madrigal JA, Marks DI, Navarrete C, Potter MN, Querol S, Regan F, Russell NH, Hough RE. Recommendations for a standard UK approach to incorporating umbilical cord blood into clinical transplantation practice: conditioning protocols and donor selection algorithms. Bone Marrow Transplant 2009; 44:7-12. [PMID: 19139741 DOI: 10.1038/bmt.2008.420] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Allogeneic haematopoietic cell transplantation is an established curative treatment modality for patients with malignant and non-malignant haematological disorders. Since the first related umbilical cord blood transplant (UCBT) in 1988, the use of UCB as a stem cell source for transplantation has become a standard practice in many countries, with approximately 8000 such transplants having been performed worldwide to date.
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Affiliation(s)
- B E Shaw
- Section of Haemato-Oncology, Royal Marsden Hospital, Belmont, Sutton, Surrey SM2 5NG, UK.
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21
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Jones LBKR, McGrogan P, Flood TJ, Gennery AR, Morton L, Thrasher A, Goldblatt D, Parker L, Cant AJ. Special article: chronic granulomatous disease in the United Kingdom and Ireland: a comprehensive national patient-based registry. Clin Exp Immunol 2008; 152:211-8. [PMID: 18410635 DOI: 10.1111/j.1365-2249.2008.03644.x] [Citation(s) in RCA: 159] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023] Open
Abstract
There are no epidemiological studies from the British Isles of chronic granulomatous disease, characterized by recurrent, life-threatening bacterial and fungal infections and inflammatory sequelae. Patients were enrolled in a national registry and medical records were analysed. Of 94 subjects, 69 had X-linked disease, 16 had autosomal recessive disease and nine were unknown. Prevalence was 7.5/million for 1990-99 and 8.5/million for 1980-89. Suppurative adenitis, abscesses and pneumonia presented commonly. Twenty-three of 30 patients who underwent high resolution computerized tomography had chronic respiratory disease. Inflammatory sequelae included bowel stricture and urogenital tract granulomata. Growth failure was common; 75% of those measured were below the population mean. All patients received prophylactic antibiotics and 93% anti-fungal prophylaxis. Interferon gamma was used to treat infection, but rarely as prophylaxis. Despite prophylaxis, estimated survival was 88% at 10 years but 55% at age 30 years. Morbidity remains significant, severe infectious complications common. Curative treatments including stem cell transplantation should be considered for patients with frequent or serious complications.
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Affiliation(s)
- L B K R Jones
- School of Clinical Medical Sciences, Child Health, University of Newcastle upon Tyne, Newcastle upon Tyne, UK
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Gennery AR, Slatter MA, Rice J, Hoefsloot LH, Barge D, McLean-Tooke A, Montgomery T, Goodship JA, Burt AD, Flood TJ, Abinun M, Cant AJ, Johnson D. Mutations in CHD7 in patients with CHARGE syndrome cause T-B + natural killer cell + severe combined immune deficiency and may cause Omenn-like syndrome. Clin Exp Immunol 2008; 153:75-80. [PMID: 18505430 DOI: 10.1111/j.1365-2249.2008.03681.x] [Citation(s) in RCA: 75] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023] Open
Abstract
More than 11 genetic causes of severe combined immunodeficiency (SCID) have been identified, affecting development and/or function of T lymphocytes, and sometimes B lymphocytes and natural killer (NK) cells. Deletion of 22q11.2 is associated with immunodeficiency, although less than 1% of cases are associated with T-B + NK + SCID phenotype. Severe immunodeficiency with CHARGE syndrome has been noted only rarely Omenn syndrome is a rare autosomal recessive form of SCID with erythroderma, hepatosplenomegaly, lymphadenopathy and alopecia. Hypomorphic recombination activating genes 1 and 2 mutations were first described in patients with Omenn syndrome. More recently, defects in Artemis, RMRP, IL7Ralpha and common gamma chain genes have been described. We describe four patients with mutations in CHD7, who had clinical features of CHARGE syndrome and who had T-B + NK + SCID (two patients) or clinical features consistent with Omenn syndrome (two patients). Immunodeficiency in patients with DiGeorge syndrome is well recognized--CHARGE syndrome should now be added to the causes of T-B + NK + SCID, and mutations in the CHD7 gene may be associated with Omenn-like syndrome.
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Affiliation(s)
- A R Gennery
- Department of Paediatric Immunology, Newcastle upon Tyne Hospitals Foundation Trust, Newcastle upon Tyne, UK.
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Abstract
Recurrent or persistent infection is the major manifestation of primary immunodeficiency, which also results in atypical infection with opportunistic organisms. Young children are also vulnerable to infection and recurrent infection is common. While most children with recurrent infection have a normal immunity, it is important to recognize the child with an underlying primary immunodeficiency and investigate and treat appropriately and yet not over investigate normal children. Prompt, accurate diagnosis directs the most appropriate treatment, and early and judicious use of prophylactic antibiotics and replacement immunoglobulin can prevent significant end organ damage and improve long-term outlook and quality of life. This paper describes important presenting features of primary immunodeficiency and indicates when further investigation is warranted.
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Affiliation(s)
- M A Slatter
- Department of Paediatric Immunology, Newcastle upon Tyne Hospitals Foundation Trust, Newcastle upon Tyne, UK
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McLean-Tooke A, Barge D, Spickett GP, Gennery AR. T cell receptor Vbeta repertoire of T lymphocytes and T regulatory cells by flow cytometric analysis in healthy children. Clin Exp Immunol 2007; 151:190-8. [PMID: 17983445 DOI: 10.1111/j.1365-2249.2007.03536.x] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Evaluation of the T cell receptor (TCR) Vbeta repertoire by flow cytometric analysis has been used for studying the T cell compartments for diseases in which T cells are implicated in the pathogenesis. For the interpretation of these studies information is needed about Vbeta usage in healthy individuals and there are few data for normal usage in paediatric populations. We examined the T lymphocyte (sub)populations in 47 healthy controls (age range: 3 months-16 years). We found non-random Vbeta usage with skewed reactivity of some families towards CD4+ or CD4- T cells. Importantly, there appeared to be no significant change in Vbeta usage according to age group. Some controls showed expansions in some Vbeta families, although incidence of such expansions was low. We went on to examine the repertoire of CD4+CD25(Bright) T regulatory cells in 25 healthy controls. We found overlapping quantitative usage for each of the Vbeta families between CD4+CD25- and CD4+CD25(Bright) T cells. However, there was a significant preferential usage for five Vbeta families and decreased usage of two Vbeta families in the CD4+CD25(Bright) T cells, suggesting that although they overlap there may be subtle but important differences in the TCR repertoire of T regulatory cells.
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Affiliation(s)
- A McLean-Tooke
- Department of Immunology, Royal Victoria Infirmary, Newcastle upon Tyne, UK.
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25
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Abstract
22q11.2 deletion syndrome is the commonest chromosome deletion syndrome. 22q11.2 deletion may result in variable clinical phenotypes which may differ even between patients with identical deletions. Abnormal pharyngeal arch development results in defects in the development of the parathyroid glands, thymus and conotruncal region of the heart. Defective thymic development is associated with impaired immune function. 'Complete' DiGeorge syndrome with total absence of the thymus and a severe T-cell immunodeficiency accounts for <0.5% of patients. The majority of patients with 22q11.2 deletion syndromes have 'partial' defects with impaired thymic development rather than complete absence with variable defects in T-cell numbers. Immunodeficiency in these patients is not solely due to T-cell deficiency and abnormalities of T-cell clonality or impairment of proliferative responses may play a role. Humoral deficiencies including defects in the B-cell compartment have also been identified in these patients. 22q11.2 deletion syndrome patients are at increased risk of a variety of autoimmune diseases. A number of immune defects may predispose to the development of autoimmunity in these patients including increased infection, impaired development of natural T-regulatory cells and impaired thymic central tolerance.
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Affiliation(s)
- A McLean-Tooke
- Department of Immunology, Royal Victoria InfirmaryDepartment of Paediatric Immunology, Newcastle General Hospital, Newcastle-Upon-Tyne, UK
| | - G P Spickett
- Department of Immunology, Royal Victoria InfirmaryDepartment of Paediatric Immunology, Newcastle General Hospital, Newcastle-Upon-Tyne, UK
| | - A R Gennery
- Department of Immunology, Royal Victoria InfirmaryDepartment of Paediatric Immunology, Newcastle General Hospital, Newcastle-Upon-Tyne, UK
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Slatter MA, Rogerson EJ, Taylor CE, Galloway A, Clark JE, Flood TJ, Abinun M, Cant AJ, Gennery AR. Value of bronchoalveolar lavage before haematopoietic stem cell transplantation for primary immunodeficiency or autoimmune diseases. Bone Marrow Transplant 2007; 40:529-33. [PMID: 17637688 DOI: 10.1038/sj.bmt.1705776] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Pulmonary infection, often insidious, is frequent in primary immunodeficiency (PID) and acquired immunodeficiency. Pulmonary complications are serious obstacles to success of haematopoietic SCT (HSCT) for these conditions. Bronchoalveolar lavage (BAL) permits identification of lower respiratory tract pathogens that may direct specific treatment and influence prognosis. There are no reports about the utility of pre-HSCT BAL for immunodeficient patients. We prospectively studied the value of 'routine' BAL before commencing transplantation in patients undergoing HSCT for severe immunological disease. Routine non-bronchoscopic BAL was performed under general anaesthetic, a few days before commencing pre-HSCT cytoreductive chemotherapy. Patients were categorized as symptomatic or asymptomatic with respect to pulmonary disease or infection. Samples were sent for microbiological processing. Complications arising from the procedure, pathogens isolated and treatments instituted were recorded. Results were available from 69/75 patients transplanted during the study period; 26 (38%) had pathogens identified (six asymptomatic patients), 10 (14.5%) developed complications post-procedure (two asymptomatic patients)-all recovered, 21 had management changes. There was no statistically significant difference in the number of positive isolates from severe combined or other immunodeficient patients, or of symptomatic or asymptomatic patients. Routine non-bronchoscopic BAL is safe in immunodeficient patients about to undergo HSCT, and leads to management changes.
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Affiliation(s)
- M A Slatter
- Department of Paediatric Immunology, Newcastle upon Tyne Hospitals Foundation Trust, Newcastle upon Tyne, UK
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Slatter MA, Bhattacharya A, Flood TJ, Abinun M, Cant AJ, Gennery AR. Use of two unrelated umbilical cord stem cell units in stem cell transplantation for Wiskott-Aldrich syndrome. Pediatr Blood Cancer 2006; 47:332-4. [PMID: 16007596 DOI: 10.1002/pbc.20450] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Wiskott-Aldrich syndrome, an X-linked primary immunodeficiency can be cured by bone marrow transplantation. Umbilical cord haemopoietic stem cells are increasingly used as an alternative to bone marrow; advantages include ready availability, no risk to the donor, low rate of viral contamination, and low risk of graft versus host disease. Disadvantages include low stem cell dose for larger patients and lack of stem cells for boost infusions following the initial procedure. We report the case of a child with Wiskott-Aldrich syndrome who underwent cord blood stem cell transplantation with two separate cord blood units, 8 days apart.
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Affiliation(s)
- M A Slatter
- Department of Paediatric Immunology, Newcastle upon Tyne Hospitals NHS Trust, Newcastle upon Tyne, Newcastle, United Kingdom
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Crow YJ, Goodship JA, Wright C, Coady AM, Conley ME, Gennery AR. A newly recognized, likely autosomal recessive syndrome comprising agammaglobulinemia, microcephaly, craniosynostosis, severe dermatitis, and other features. Am J Med Genet A 2006; 140:1131-5. [PMID: 16691627 DOI: 10.1002/ajmg.a.31275] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
We present a novel, likely autosomal recessive, multi-system disorder seen in three siblings, two males and one female, born to nonconsanguineous parents. The disease manifests as agammaglobulinemia with marked microcephaly, significant developmental delay, craniosynostosis, a severe dermatitis, cleft palate, narrowing of the choanae, and blepharophimosis. The constellation of clinical signs seen in this family likely represents a new and recognizable form of agammaglobulinemia due to a defect in early B-cell maturation.
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Affiliation(s)
- Yanick Joseph Crow
- St. James's University Hospital, Department of Clinical Genetics, Leeds, United Kingdom.
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29
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Abstract
Primary immunodeficiencies (PIDs) are a rare but important cause of mortality and morbidity in childhood: the most severe--known as severe combined immunodeficiency (SCID)--are fatal within the first year of life; other PIDs are less immediately life-threatening, but have a poor long-term outlook. Haematopoietic stem cell transplantation (HSCT) is the best treatment for SCID and is increasingly offered for other PIDs. The best results are achieved with an HLA-matched family donor. Umbilical cord stem cells (UCSCs) are an alternative stem cell source. Results using UCSCs in the treatment of haematological disorders and malignancy are as good as those for which marrow is the stem cell source. Although PIDs make up a small proportion of disorders amenable to treatment by HSCT, UCSCs are an ideal source of haematopoietic stem cells for many of these patients. Of the 52 patients with SCID or other PIDs for whom detailed information on outcome is available, results of engraftment, immune reconstitution, incidence of graft-versus-host disease and survival are comparable with other stem cell sources. Small stem cell dose and prolonged time to viral immunity limit the patients for whom UCSCs can be used. Newer methods of achieving better engraftment, ex vivo expansion of stem cells and generation of antigen-specific cytotoxic T cells are being developed at present, and will widen the application of UCSCs as a viable source for more patients.
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Affiliation(s)
- M A Slatter
- Department of Paediatric Immunology, Newcastle General Hospital, Newcastle upon Tyne, NE4 6BE, UK
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30
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Abstract
Damaging DNA double-strand breaks (DNA-DSBs) following ionizing radiation (IR) exposure, potentially lead to cell death or carcinogenesis. Non-homologous end-joining (NHEJ) is the main repair pathway employed by vertebrate cells to repair such damage. Many repair pathway proteins have been identified. The creation of many diverse lymphocyte receptors to identify potential pathogens has evolved by breaking and randomly re-sorting the gene segments coding for antigen receptors. Subsequent DNA-DSB repair utilizes the NHEJ proteins. Individuals with defective repair pathways are increasingly recognized with radiosensitivity and immunodeficiency. Patients with defects in ataxia-telangiectasia mutated, nibrin, MRE11, Rad50, Artemis, DNA ligase IV and Cernunnos-XRCC4-like factor have been identified. Most exhibit immunodeficiency, with a spectrum of presentation and overlap between conditions. Conventional treatment with immunoglobulin replacement or haematopoietic stem cell transplantation (HSCT) can be effective. A greater understanding of the molecular defect will enable better, tailored therapies to improve survival.
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Affiliation(s)
- A R Gennery
- Department of Paediatric Immunology, Newcastle General Hospital, Westgate Road, Newcastle upon Tyne, NE4 6BE, UK.
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31
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Bhattacharya A, Slatter MA, Chapman CE, Barge D, Jackson A, Flood TJ, Abinun M, Cant AJ, Gennery AR. Single centre experience of umbilical cord stem cell transplantation for primary immunodeficiency. Bone Marrow Transplant 2005; 36:295-9. [PMID: 15968287 DOI: 10.1038/sj.bmt.1705054] [Citation(s) in RCA: 74] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Primary immunodeficiencies (PID) are an important cause of childhood mortality. Haematopoietic stem cell transplantation (HSCT) is the best treatment for many PID. Umbilical cord stem cells are an alternative source of HSC. There is little data regarding outcome of umbilical cord stem cell transplantation (UCSCT) for PID. Our single centre experience is reported. A retrospective study of 14 of 148 patients transplanted for PID, who have received 15 UCSCT was performed, with specific regard to graft-versus-host disease (GvHD) and immune reconstitution. Eight patients with severe combined immunodeficiency (SCID), and six with other combined immunodeficiencies were treated. Of the patients, 12 received unrelated cords, and two had sibling transplants. Median age at transplant was 3.5 months, median nucleated cell dose was 0.8 x 10(8)/kg. All engrafted. Median time to neutrophil engraftment was 22 days, median time to platelet engraftment was 51 days. One developed significant grade III GvHD post transplantation. In total, 11 patients had full donor T and six full donor B-cell chimerism, six of nine patients >1 year post-BMT had normal IgG levels and specific antibody responses to tetanus and Hib vaccines; two are being assessed. Two patients died of multi-organ failure related to pre-existing infection and inflammatory complications respectively. UCSCT should be considered for patients requiring stem cell therapy for PID.
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Affiliation(s)
- A Bhattacharya
- Paediatric Immunology Department, Newcastle General Hospital, Newcastle upon Tyne, UK
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32
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Slatter MA, Bhattacharya A, Abinun M, Flood TJ, Cant AJ, Gennery AR. Outcome of boost haemopoietic stem cell transplant for decreased donor chimerism or graft dysfunction in primary immunodeficiency. Bone Marrow Transplant 2005; 35:683-9. [PMID: 15723084 DOI: 10.1038/sj.bmt.1704872] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Haemopoietic stem cell transplants (HSCT) cure increasing numbers of primary immunodeficiencies (PID): residual recipient T-cell function increases risk of incomplete or decreasing immune reconstitution, which may resolve following a second, unconditioned, infusion from the same donor (boost infusion). We assessed the outcome of 20 boost infusions in 19/139 patients transplanted for PID patients at our centre since 1987. Boost infusion was given 64-1226 days after the original HSCT. Follow-up was 4-124 months. In all, 12 of 19 patients cleared viral infection (6), or showed sustained increase in donor chimerism, T- and B-cell numbers and function, or other markers (6). In 7/12 patients, immunoglobulin replacement has been discontinued. Four were partially successful with stable low-level chimerism (two patients) or improved T-cell function, but not B cell function (two patients). Four failed with no change in donor chimerism or cell number. No significant association with donor source, T-cell depletion, conditioning regimen, boost infusion stem cell dose or time from original HSCT to boost was found. One patient developed grade III acute graft-versus-host disease despite cyclosporine, and one developed severe pneumonitis; both have recovered. Boost infusion was successful or partially successful in 84% of patients. The risk of adverse effects is low.
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Affiliation(s)
- M A Slatter
- Department of Paediatric Immunology, University of Newcastle upon Tyne, Newcastle General Hospital, NHS Trust, Newcastle upon Tyne, UK
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35
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Slatter MA, Gennery AR, Cheetham TD, Bhattacharya A, Crooks BNA, Flood TJ, Cant AJ, Abinun M. Thyroid dysfunction after bone marrow transplantation for primary immunodeficiency without the use of total body irradiation in conditioning. Bone Marrow Transplant 2004; 33:949-53. [PMID: 15004542 DOI: 10.1038/sj.bmt.1704456] [Citation(s) in RCA: 54] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Thyroid dysfunction, a common long-term complication following bone marrow transplantation (BMT), is frequently associated with total body irradiation (TBI) given in the pre-BMT conditioning protocol. We report our preliminary observation of the prevalence of thyroid dysfunction in children transplanted for primary immunodeficiency (PID) who were given cytoreductive conditioning with busulphan and cyclophosphamide, but without TBI. We evaluated thyroid-stimulating hormone (TSH) and free thyroxine (fT4) in 83 survivors transplanted between 1987 and 2002. We found nine children (10.8%) with clinical and/or biochemical thyroid dysfunction at 4 months to 4.5 years post-BMT of which three had positive antithyroid microsomal antibodies. Two patients were classified as primary and seven as compensated hypothyroidism (hyperthyrotropinaemia). Four patients with clinical features of hypothyroidism received replacement thyroxine, while five of the seven patients with compensated hypothyroidism remain off thyroxine because we suspect this may be a transient phenomenon. Abnormalities of thyroid function including severe primary hypothyroidism may occur post-BMT in children receiving chemotherapy conditioning without TBI. Thyroid function should be assessed regularly in this group of patients.
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Affiliation(s)
- M A Slatter
- Department of Paediatric Immunology Newcastle upon Tyne Hospitals NHS Trust, Newcastle upon Tyne, UK
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36
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Gennery AR, Slatter MA, Bhattacharya A, Barge D, Haigh S, O'Driscoll M, Coleman R, Abinun M, Flood TJ, Cant AJ, Jeggo PA. The clinical and biological overlap between Nijmegen Breakage Syndrome and Fanconi anemia. Clin Immunol 2004; 113:214-9. [PMID: 15451479 DOI: 10.1016/j.clim.2004.03.024] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2004] [Accepted: 03/12/2004] [Indexed: 11/17/2022]
Abstract
Fanconi anemia (FA), an autosomal recessive chromosomal instability syndrome, is characterized clinically by developmental abnormalities, growth retardation, progressive bone marrow failure, pancytopenia, and pronounced cancer predisposition. Nijmegen Breakage Syndrome (NBS) is a related disorder that shares overlapping clinical features, principally, developmental delay, microcephaly, and cancer predisposition. The diagnosis has relied on chromosomal instability following exposure to DNA cross-linking agents in FA and to ionizing radiation (IR) in NBS. We describe two patients who clinically had FA, but showed sensitivity to both DNA cross-linking agents and ionizing radiation, and who were found to have a rare mutation in the NBS gene. The importance of genetic diagnosis with respect to treatment and prognosis is discussed.
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Affiliation(s)
- A R Gennery
- School of Clinical Medical Sciences, University of Newcastle-upon-Tyne, UK.
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37
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O'Driscoll M, Gennery AR, Seidel J, Concannon P, Jeggo PA. An overview of three new disorders associated with genetic instability: LIG4 syndrome, RS-SCID and ATR-Seckel syndrome. DNA Repair (Amst) 2004; 3:1227-35. [PMID: 15279811 DOI: 10.1016/j.dnarep.2004.03.025] [Citation(s) in RCA: 154] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Around 15-20 hereditary disorders associated with impaired DNA damage response mechanisms have been previously described. The range of clinical features associated with these disorders attests to the significant role that these pathways play during development. Recently, three new such disorders have been reported extending the importance of the damage response pathways to human health. LIG4 syndrome is conferred by hypomorphic mutations in DNA ligase IV, an essential component of DNA non-homologous end-joining (NHEJ), and is associated with pancytopaenia, developmental and growth delay and dysmorphic facial features. Radiosensitive severe combined immunodeficiency (RS-SCID) is caused by mutations in Artemis, a protein that plays a subsidiary role in non-homologous end-joining although it is not an essential component. RS-SCID is characterised by severe combined immunodeficiency but patients have no overt developmental abnormalities. ATR-Seckel syndrome is caused by mutations in ataxia telangiectasia and Rad3 related protein (ATR), a component of a DNA damage signalling pathway. ATR-Seckel syndrome patients have dramatic microcephaly and marked growth and developmental delay. The clinical features of these patients are considered in the light of the function of the defective protein.
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Affiliation(s)
- M O'Driscoll
- Genome Damage and Stability Centre, University of Sussex, Falmer, Brighton, East Sussex BN1 9RQ, UK
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38
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Gennery AR, O'Driscoll M. Unravelling the web of DNA repair disorders. Clin Exp Immunol 2003; 134:385-7. [PMID: 14632741 PMCID: PMC1808886 DOI: 10.1111/j.1365-2249.2003.02316.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/23/2003] [Indexed: 11/30/2022] Open
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39
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Lakshman R, Gennery AR, Arkwright PD, Flood T, Abinun M, Spickett G, Borrows R, Cant AJ, Balmer P, Borrow R. Assessing immune responses to pneumococcal vaccines. Arch Dis Child 2003; 88:648-9. [PMID: 12818930 PMCID: PMC1763169 DOI: 10.1136/adc.88.7.648] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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40
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Slatter MA, Bhattacharya A, Flood TJ, Spickett GP, Cant AJ, Abinun M, Gennery AR. Polysaccharide antibody responses are impaired post bone marrow transplantation for severe combined immunodeficiency, but not other primary immunodeficiencies. Bone Marrow Transplant 2003; 32:225-9. [PMID: 12838289 DOI: 10.1038/sj.bmt.1704109] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Established treatment of severe combined immunodeficiencies (SCID) and other primary immunodeficiencies (PID) is bone marrow transplantation (BMT). Normal lymphocyte numbers and protein antigen responses are present within 2 years of BMT, polysaccharide antibody responses appear last. Streptococcus pneumoniae infection causes significant morbidity and mortality post-BMT. Previous studies have shown good protein antigen responses post-BMT for SCID and PID, but had not examined the polysaccharide responses. We retrospectively analysed pneumococcal polysaccharide (PPS) responses in our patient series. In total, 22 SCID and 12 non-SCID PID were evaluated, all >2 years post BMT: 17 SCID, 12 PID received chemotherapy conditioning; 17 SCID, three PID had T-cell depleted (TCD) BMT, others had nonconditioned whole marrow BMT. All had normal Haemophilus influenza B and tetanus antibody responses. Of 22 SCID, 13 vs 11/12 PID responded to PPS vaccine (P=0.05). There was no association with donor age, GvHD, B-cell chimerism, or IgG2 level. Fewer TCD marrow recipients responded to PPS (P=0.04). Analysis of the SCID group showed no association of PPS response with type of marrow received. This is the first study to specifically examine PPS antibody responses following SCID and PID BMT. Pneumococcal conjugate vaccine antibody responses should be examined in these children.
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Affiliation(s)
- M A Slatter
- Department of Paediatric Immunology, Newcastle upon Tyne Hospitals NHS Trust, Newcastle General Hospital, Westgate Road, Newcastle upon Tyne NE4 6BE, UK
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41
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Abstract
Anhidrotic (hypohidrotic) ectodermal dysplasia associated with immunodeficiency (EDA-ID; OMIM 300291) is a newly recognised primary immunodeficiency caused by mutations in NEMO, the gene encoding nuclear factor kappaB (NF-kappaB) essential modulator, NEMO, or inhibitor of kappaB kinase (IKK-gamma). This protein is essential for activation of the transcription factor NF-kappaB, which plays an important role in human development, skin homoeostasis, and immunity.
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Affiliation(s)
- E D Carrol
- Department of Paediatric Immunology, Newcastle upon Tyne Hospitals NHS Trust, Newcastle upon Tyne, UK
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42
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Bhattacharya A, Slatter M, Curtis A, Chapman CE, Barge D, Jackson A, Flood TJ, Abinun M, Cant AJ, Gennery AR. Successful umbilical cord blood stem cell transplantation for chronic granulomatous disease. Bone Marrow Transplant 2003; 31:403-5. [PMID: 12634733 DOI: 10.1038/sj.bmt.1703863] [Citation(s) in RCA: 37] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Chronic granulomatous disease (CGD) causes growth failure, inflammatory lung damage and often early death. Prophylactic cotrimoxazole improves medium-term survival, but cannot prevent inflammatory sequelae. We report the first patient with CGD who underwent successful HLA identical sibling umbilical cord stem cell transplantation (UCSCT) after myeloablative conditioning. The patient presented with colitis, confirmed as CGD at 2 years of age. Following BU16/CY200 conditioning, he had UCSCT from his unaffected HLA identical sister. A year post-transplant, his colitis had resolved clinically and on radioisotope scan growth has improved. Neutrophil oxidative burst was 92% normal with full donor lymphocyte reconstitution.
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Affiliation(s)
- A Bhattacharya
- Newcastle upon Tyne Hospitals, NHS Trust, University of New Castle upon Tyne, UK
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Gennery AR, Dickinson AM, Brigham K, Barge D, Spickett GP, Curtis A, Spencer V, Jackson A, Cavanagh G, Carter V, Palmer P, Flood TJ, Cant AJ, Abinun M. CAMPATH-1M T-cell depleted BMT for SCID: long-term follow-up of 19 children treated 1987-98 in a single center. Cytotherapy 2002; 3:221-32. [PMID: 12171729 DOI: 10.1080/146532401753174052] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
BACKGROUND SCID can be cured by BMT. Depletion of mature T cells from BM has enabled HLA non-identical stem-cell transplantation. We report the outcome of 30 patients treated with 37 T-cell depleted BMT procedures using CAMPATH-1M in vitro between 1987-98 in a single center. METHODS Immune reconstitution and quality-of-life were assessed in 19 longterm survivors. All but two received pre-transplant conditioning. T- and B-cell chimerism, numbers and function were analyzed during a median follow-up of 5.3 years (range 1.33-12). RESULTS The overall engraftment rate was 59%, six children required repeated BMT and the survival rate was 63%. All have donor T cells, 58% normal T-cell numbers and 74% normal T-cell function. Of 17 evaluated, 16 patients (94%) have normal IgM and IgG levels, and production of specific Abs to protein Ags, but only 5/16 (31%) have a good response to pneumococcal polysaccharide. Early and late post-BMT complications were rare and there were no delayed deaths. Only one child continues on long-term i.v. Ig 4-years post-BMT. Eleven children died (37%). DISCUSSION CAMPATH-1M T-cell depleted BMT for SCID resulted in 63% survival. Deaths of 11 children were mainly due to pre-existing infections. Seventeen of 19 long-term survivors have normal immune function and good quality-of-life.
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Affiliation(s)
- A R Gennery
- Children's Bone Marrow Transplantation Unit, Newcastle upon Tyne Hospitals NHS Trust, UK
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Abstract
BACKGROUND Although severe T cell immunodeficiency in DiGeorge anomaly is rare, previous studies of humoral function in these patients have found no antibody abnormalities but have not examined the response to polysaccharide antigens. Isolated cases of autoimmunity have been reported. Several patients with 22q11.2 deletion attending our immunology clinic suffered recurrent sinopulmonary infection or autoimmune phenomena. AIMS To investigate humoral immunodeficiency, particularly pneumococcal polysaccharide antibody deficiency, and autoimmune phenomena in a cohort of patients with 22q11.2 deletion. METHODS A history of severe or recurrent infection and autoimmune symptoms were noted. Lymphocyte subsets, immunoglobulins, IgG subclasses, specific vaccine antibodies, and autoantibodies were measured. Subjects were vaccinated with appropriate antigens as indicated. RESULTS Of 32 patients identified, 26 (81%) had severe or recurrent infection, of which 13 (50%) had abnormal serum immunoglobulin measurements and 11/20 >/=4 years old (55%) had an abnormal response to pneumococcal polysaccharide. Ten of 30 patients (33%) had autoimmune phenomena; six (20%) were symptomatic. CONCLUSIONS Humoral immunodeficiency is more common than previously recognised in patients with 22q11.2 deletion. Normal T cell function and immunoglobulin levels do not exclude poor specific antibody responses. Patients should be referred for formal immunological assessment of cellular and humoral immune function.
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Affiliation(s)
- A R Gennery
- Department of Paediatric Immunology, Newcastle General Hospital, Newcastle upon Tyne NE4 6BE, UK.
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Abstract
AIMS To evaluate outcome following neonatal bone marrow transplantation (BMT) for severe combined immunodeficiency (SCID) when there is a family history of a previously affected sibling, and to compare results with those published for in utero BMT. METHODS A retrospective review of cases referred and transplanted between 1987 and 1999, focusing on infectious and graft versus host disease (GvHD) complications after BMT, and T and B lymphocyte function. Thirteen patients received 18 stem cell transplants: four whole marrow, one cord blood, 10 parental T cell depleted (TCD) haplo-identical, and three TCD unrelated donor BMT. Nine were conditioned with busulphan and cyclophosphamide. RESULTS All are alive and well (six months to 11.5 years after BMT). Six had grade I-II acute GvHD and two chronic GvHD (now resolved). Three had a top up BMT for poor T cell function, one had a third BMT for graft failure and chronic GvHD, and one had a third BMT for graft failure. Twelve have good in vitro proliferation to T cell mitogens, and all have normal serum IgA levels. Three receive intravenous immunoglobulin; for one of these, it is less than one year since BMT. Nine are above the 2nd centile, and 10 of 12 old enough to be assessed have normal neurodevelopment. CONCLUSION These results are better than those published for in utero BMT for SCID. Early postnatal BMT should be the preferred option in neonatal SCID.
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Affiliation(s)
- L Kane
- Department of Paediatric Immunology, Newcastle General Hospital, Newcastle upon Tyne, UK
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Kearns AM, Turner AJ, Taylor CE, George PW, Freeman R, Gennery AR. LightCycler-based quantitative PCR for rapid detection of human herpesvirus 6 DNA in clinical material. J Clin Microbiol 2001; 39:3020-1. [PMID: 11499395 PMCID: PMC88288 DOI: 10.1128/jcm.39.8.3020-3021.2001] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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Abstract
BACKGROUND CD40 ligand (CD40L) deficiency is a rare X linked immunodeficiency disorder leading to recurrent bacterial infection, with cryptosporidial enteritis and subsequent hepatic cirrhosis. Bone marrow transplantation offers the only cure. OBJECTIVE To analyse retrospectively the outcome of bone marrow transplantation for this condition in one centre. DESIGN A retrospective case note analysis was performed, identifying all patients with CD40L deficiency who had undergone bone marrow transplantation between May 1988 and December 2000. Details of pre-existing infection, pretransplantation immunological and infective data, transplant procedure (particularly donor type and HLA match), conditioning regimen, and marrow manipulation were analysed. Post-transplantation data including infective episodes, engraftment details, immune function, complications, and outcome were recorded. RESULTS Eight boys (age 1-14 years, median 5.75) had transplants. Six received T cell depleted unrelated donor marrow. Four survive and have normal immune function. Six had previous Pneumocystis carinii pneumonia and three had histological liver damage. Survival was associated with younger age at transplantation and normal liver histology. CONCLUSIONS Bone marrow transplantation can be curative in CD40L deficiency. Better outcome is associated with younger age at transplantation and normal liver histology.
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Affiliation(s)
- K Khawaja
- Department of Paediatric Immunology, Newcastle General Hospital, Westgate Road, Newcastle upon Tyne NE4 6BE, UK
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Abstract
Early diagnosis of severe combined immunodeficiency (SCID) is important to enable prompt referral to a supraregional centre for bone marrow transplantation before the occurrence of end organ damage secondary to infective complications. This review outlines clinical, microbiological, and immunopathological clues that aid the diagnosis of SCID and emphasises the multidisciplinary approach needed to diagnose and treat these infants.
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Affiliation(s)
- A R Gennery
- Department of Paediatric Immunology, Newcastle General Hospital, Newcastle upon Tyne, UK.
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Gennery AR, Cant AJ, Baldwin CI, Calvert JE. Characterization of the impaired antipneumococcal polysacharide antibody production in immunosuppressed pediatric patients following cardiac transplantation. J Clin Immunol 2001; 21:43-50. [PMID: 11321238 DOI: 10.1023/a:1006793032290] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
We previously have demonstrated impaired pneumococcal polysaccharide IgG antibody responses in children immunosuppressed following cardiac transplantation in early childhood. We have further characterized the antibody defect. To further investigate the production of antibody, antipneumococcal polysaccharide (PPS) specific IgM, IgG, IgG subclasses, and IgA were measured in postvaccination sera by enzyme-linked immunosorbent assay. Two groups were studied: posttransplant children who made pneumococcal antibody in vivo following natural exposure or PPS immunization (R) and those with an impaired response (NR). There was no difference in IgM or IgA levels between R and NR. IgG and IgG2 levels were higher in R than NR (P = 0.002), even after adsorption of nonspecific common cell wall antigen antibody. Differences in anti-pneumococcal antibody levels suggest that immunoglobulin isotype switching from IgM to IgG and particularly IgG2 is impaired in patients immunosuppressed at a young age. These findings confirm data regarding the effect of immunosuppressive agents derived from animal models in humans.
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Affiliation(s)
- A R Gennery
- Department of Pediatric Immunology, Newcastle General Hospital, Newcastle upon Tyne, England
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