101
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Brisse E, Wouters CH, Andrei G, Matthys P. How Viruses Contribute to the Pathogenesis of Hemophagocytic Lymphohistiocytosis. Front Immunol 2017; 8:1102. [PMID: 28936212 PMCID: PMC5594061 DOI: 10.3389/fimmu.2017.01102] [Citation(s) in RCA: 55] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2017] [Accepted: 08/22/2017] [Indexed: 11/23/2022] Open
Abstract
Hemophagocytic lymphohistiocytosis (HLH) is a life-threatening, hyperinflammatory syndrome, characterized by the uncontrolled activation of macrophages and T cells, eliciting key symptoms such as persistent fever, hepatosplenomegaly, pancytopenia, hemophagocytosis, hyperferritinemia, and coagulopathy. Viral infections are frequently implicated in the onset of active HLH episodes, both in primary, genetic HLH as in the secondary, acquired form. Infections with herpesviruses such as Epstein-Barr virus and cytomegalovirus are the most common. In autoimmune diseases, a link between viral infections and autoreactive immune responses has been recognized for a considerable time. However, the mechanisms by which viruses contribute to HLH pathogenesis remain to be clarified. In this viewpoint, different factors that may come into play are discussed. Viruses, particularly larger DNA viruses such as herpesviruses, are potent modulators of the immune response. By evading immune recognition, interfering with cytokine balances and inhibiting apoptotic pathways, viruses may increase the host's susceptibility to HLH development. In particular cases, a direct connection between the viral infection and inhibition of natural killer cell or T cell cytotoxicity was reported, indicating that viruses may create immunological deficiencies reminiscent of primary HLH.
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Affiliation(s)
- Ellen Brisse
- Laboratory of Immunobiology, Rega Institute, KU Leuven, Leuven, Belgium
| | - Carine H. Wouters
- Laboratory of Immunobiology, Rega Institute, KU Leuven, Leuven, Belgium
- University Hospital Gasthuisberg, Leuven, Belgium
| | - Graciela Andrei
- Laboratory of Virology and Chemotherapy, Rega Institute, KU Leuven, Leuven, Belgium
| | - Patrick Matthys
- Laboratory of Immunobiology, Rega Institute, KU Leuven, Leuven, Belgium
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102
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Sepulveda FE, de Saint Basile G. Hemophagocytic syndrome: primary forms and predisposing conditions. Curr Opin Immunol 2017; 49:20-26. [PMID: 28866302 DOI: 10.1016/j.coi.2017.08.004] [Citation(s) in RCA: 74] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2017] [Accepted: 08/12/2017] [Indexed: 12/18/2022]
Abstract
Hemophagocytic lymphohistiocytosis (HLH, also referred to a hemophagocytic syndrome) is a life-threatening condition in which uncontrolled activation of lymphocytes and macrophages, and thus the secretion of large amounts of inflammatory cytokines, leads to a severe hyperinflammatory state. Over the last few decades, researchers have characterized primary forms of HLH caused by genetic defects that impair lymphocytes' cytotoxic machinery. Other genetic causes of HLH not related to impaired cytotoxicity have also recently been identified. Furthermore, the so-called 'acquired' forms of HLH are encountered in the context of severe infections, autoimmune and autoinflammatory diseases, malignancy, and metabolic disorders, and may also be associated with primary immunodeficiencies. This implies that a variety of disease mechanisms can lead to HLH. Today's research seeks to gain a better understanding of the various pathogenetic and environmental factors that converge to induce HLH.
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Affiliation(s)
- Fernando E Sepulveda
- INSERM UMR1163, Laboratory of Normal and Pathological Homeostasis of the Immune System, Paris F-75015, France; Paris Descartes University-Sorbonne Paris Cité, Imagine Institute, Paris F-75015, France
| | - Geneviève de Saint Basile
- INSERM UMR1163, Laboratory of Normal and Pathological Homeostasis of the Immune System, Paris F-75015, France; Paris Descartes University-Sorbonne Paris Cité, Imagine Institute, Paris F-75015, France; Centre d'Etudes des Déficites Immunitaires, Assistance Publique-Hôpitaux de Paris, F-75015, France.
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103
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Marsh RA. Diagnostic dilemmas in HLH: Can T-cell phenotyping help? Eur J Immunol 2017; 47:240-243. [PMID: 28185252 DOI: 10.1002/eji.201646841] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2017] [Revised: 01/03/2017] [Accepted: 01/10/2017] [Indexed: 11/06/2022]
Abstract
The diagnosis of hemophagocytic lymphohistiocytosis (HLH) can be a difficult one, and the distinction between primary versus secondary HLH can be particularly challenging during the early stages of diagnosis. This distinction is important to make as primary HLH requires allogeneic hematopoietic cell transplantation for a definitive cure. Flow cytometric screening tests for many of the genetic forms of HLH are available. However, not all patients with primary HLH are captured by these screening tests, due to the fact that no screening test is 100% sensitive, and additionally, some patients with "primary" forms of HLH may have mutations in genes which are yet to be discovered. In this issue of the European Journal of Immunology, Ammann et al. [Eur. J. Immunol. 2017. 47: 364-373] compare T-cell phenotype patterns among patients with primary and secondary HLH, and find that assessment of T-cell activation and differentiation may assist with the diagnosis of HLH. Furthermore, this phenotypic analysis has the potential to help make the important distinction between primary and secondary HLH.
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Affiliation(s)
- Rebecca A Marsh
- Division of Bone Marrow Transplantation and Immune Deficiency, Cancer and Blood Diseases Institute, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
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104
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Abstract
A number of recent advances have been made in the epidemiology and treatment of chronic granulomatous disease. Several reports from developing regions describe the presentations and progress of local populations, highlighting complications due to Bacillus Calmette-Guérin vaccination. A number of new reports describe complications of chronic granulomatous disease in adult patients, as more survivors reach adulthood. The complications experienced by X-linked carriers are particularly highlighted in three new reports, confirming that infection and inflammatory or autoimmune conditions are more common and severe than previously recognised. Finally, definitive treatment with haematopoietic stem cell transplantation and gene therapy is reviewed.
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Affiliation(s)
- Andrew Gennery
- Paediatric Immunology and Haematopoietic Stem Cell Transplantation, Great North Childrens' Hospital, Newcastle upon Tyne, UK.,Primary Immunodeficiency Group, Institute of Cellular Medicine, Newcastle University, Newcastle upon Tyne, UK
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105
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Gray PE, Shadur B, Russell S, Mitchell R, Buckley M, Gallagher K, Andrews I, Thia K, Trapani JA, Kirk EP, Voskoboinik I. Late-Onset Non-HLH Presentations of Growth Arrest, Inflammatory Arachnoiditis, and Severe Infectious Mononucleosis, in Siblings with Hypomorphic Defects in UNC13D. Front Immunol 2017; 8:944. [PMID: 28848550 PMCID: PMC5552658 DOI: 10.3389/fimmu.2017.00944] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2017] [Accepted: 07/24/2017] [Indexed: 12/13/2022] Open
Abstract
Bi-allelic null mutations affecting UNC13D, STXBP2, or STX11 result in defects of lymphocyte cytotoxic degranulation and commonly cause familial hemophagocytic lymphohistiocytosis (FHL) in early life. Patients with partial loss of function are increasingly being diagnosed after presenting with alternative features of this disease, or with HLH later in life. Here, we studied two sisters with lymphocyte degranulation defects secondary to compound heterozygote missense variants in UNC13D. The older sibling presented aged 11 with linear growth arrest and delayed puberty, 2 years prior to developing transient ischemic attacks secondary to neuroinflammation and hypogammaglobulinemia, but no FHL symptoms. Her geno-identical younger sister was initially asymptomatic but then presented at the same age with severe EBV-driven infectious mononucleosis, which was treated aggressively and did not progress to HLH. The sisters had similar natural killer cell degranulation; however, while cytotoxic activity was moderately reduced in the asymptomatic patient, it was completely absent in both siblings during active disease. Following allogeneic bone marrow transplantation at the age of 15, the older child has completely recovered NK cell cytotoxicity, is asymptomatic, and has experienced an exceptional compensatory growth spurt. Her younger sister was also successfully transplanted and is currently disease free. The current study reveals previously unappreciated manifestations of FHL in patients who inherited hypomorphic gene variants and also raises the important question of whether a threshold of minimum NK function can be defined that should protect a patient from serious disease manifestations such as HLH.
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Affiliation(s)
- Paul Edgar Gray
- Department of Immunology and Infectious Diseases, Sydney Children's Hospital, Randwick, NSW, Australia
| | - Bella Shadur
- Department of Immunology and Infectious Diseases, Sydney Children's Hospital, Randwick, NSW, Australia
| | - Susan Russell
- Kids Cancer Centre, Sydney Children's Hospital, Randwick, NSW, Australia
| | - Richard Mitchell
- Kids Cancer Centre, Sydney Children's Hospital, Randwick, NSW, Australia
| | - Michael Buckley
- Genetics Laboratory, South Eastern Area Laboratory Services, Randwick, NSW, Australia
| | - Kerri Gallagher
- Department of Immunology, Royal Prince Alfred Hospital, Sydney, NSW, Australia
| | - Ian Andrews
- Department of Neurology, Sydney Children's Hospital, Randwick, NSW, Australia
| | - Kevin Thia
- Cancer Cell Death Laboratory, Cancer Immunology Research, Peter MacCallum Cancer Centre, Melbourne VIC, Australia
| | - Joseph A Trapani
- Cancer Cell Death Laboratory, Cancer Immunology Research, Peter MacCallum Cancer Centre, Melbourne VIC, Australia
| | - Edwin Philip Kirk
- Centre for Clinical Genetics, Sydney Children's Hospital, Randwick, NSW, Australia
| | - Ilia Voskoboinik
- Killer Cell Biology Laboratory, Cancer Immunology Research, Peter MacCallum Cancer Centre, Melbourne, VIC, Australia
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106
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Sullivan KE, Bassiri H, Bousfiha AA, Costa-Carvalho BT, Freeman AF, Hagin D, Lau YL, Lionakis MS, Moreira I, Pinto JA, de Moraes-Pinto MI, Rawat A, Reda SM, Reyes SOL, Seppänen M, Tang MLK. Emerging Infections and Pertinent Infections Related to Travel for Patients with Primary Immunodeficiencies. J Clin Immunol 2017; 37:650-692. [PMID: 28786026 PMCID: PMC5693703 DOI: 10.1007/s10875-017-0426-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2017] [Accepted: 07/21/2017] [Indexed: 12/18/2022]
Abstract
In today's global economy and affordable vacation travel, it is increasingly important that visitors to another country and their physician be familiar with emerging infections, infections unique to a specific geographic region, and risks related to the process of travel. This is never more important than for patients with primary immunodeficiency disorders (PIDD). A recent review addressing common causes of fever in travelers provides important information for the general population Thwaites and Day (N Engl J Med 376:548-560, 2017). This review covers critical infectious and management concerns specifically related to travel for patients with PIDD. This review will discuss the context of the changing landscape of infections, highlight specific infections of concern, and profile distinct infection phenotypes in patients who are immune compromised. The organization of this review will address the environment driving emerging infections and several concerns unique to patients with PIDD. The first section addresses general considerations, the second section profiles specific infections organized according to mechanism of transmission, and the third section focuses on unique phenotypes and unique susceptibilities in patients with PIDDs. This review does not address most parasitic diseases. Reference tables provide easily accessible information on a broader range of infections than is described in the text.
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Affiliation(s)
- Kathleen E Sullivan
- Division of Allergy and Immunology, The Children's Hospital of Philadelphia, 3615 Civic Center Blvd., Philadelphia, PA, 19104, USA.
| | - Hamid Bassiri
- Division of Infectious Diseases and Center for Childhood Cancer Research, Children's Hospital of Philadelphia, Perelman School of Medicine at the University of Pennsylvania, 3501 Civic Center Boulevard, Philadelphia, PA, 19104, USA
| | - Ahmed A Bousfiha
- Clinical Immunology Unit, Infectious Department, Hopital d'Enfant Abderrahim Harouchi, CHU Ibn Rochd, Laboratoire d'Immunologie Clinique, d'Inflammation et d'Allergie LICIA, Faculté de Médecine et de Pharmacie, Université Hassan II, Casablanca, Morocco
| | - Beatriz T Costa-Carvalho
- Department of Pediatrics, Federal University of São Paulo, Rua dos Otonis, 725, São Paulo, SP, 04025-002, Brazil
| | - Alexandra F Freeman
- NIAID, NIH, Building 10 Room 12C103, 9000 Rockville, Pike, Bethesda, MD, 20892, USA
| | - David Hagin
- Division of Allergy and Immunology, Tel Aviv Sourasky Medical Center, Sackler Faculty of Medicine, University of Tel Aviv, 6 Weizmann St, 64239, Tel Aviv, Israel
| | - Yu L Lau
- Department of Paediatrics & Adolescent Medicine, The University of Hong Kong, Rm 106, 1/F New Clinical Building, Pok Fu Lam, Hong Kong.,Queen Mary Hospital, 102 Pokfulam Road, Pok Fu Lam, Hong Kong
| | - Michail S Lionakis
- Fungal Pathogenesis Unit, Laboratory of Clinical Infectious Diseases, National Institute of Allergy & Infectious Diseases (NIAID), National Institutes of Health (NIH), 9000 Rockville Pike, Building 10, Room 11C102, Bethesda, MD, 20892, USA
| | - Ileana Moreira
- Immunology Unit, Hospital de Niños Ricardo Gutiérrez, Gallo 1330, 1425, Buenos Aires, Argentina
| | - Jorge A Pinto
- Division of Immunology, Department of Pediatrics, Federal University of Minas Gerais, Av. Alfredo Balena 190, room # 161, Belo Horizonte, MG, 30130-100, Brazil
| | - M Isabel de Moraes-Pinto
- Division of Pediatric Infectious Diseases, Department of Pediatrics, Federal University of São Paulo, Rua Pedro de Toledo, 781/9°andar, São Paulo, SP, 04039-032, Brazil
| | - Amit Rawat
- Pediatric Allergy and Immunology, Department of Pediatrics, Advanced Pediatrics Centre, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Shereen M Reda
- Pediatric Department, Faculty of Medicine, Ain Shams University, Cairo, Egypt
| | - Saul Oswaldo Lugo Reyes
- Immunodeficiencies Research Unit, National Institute of Pediatrics, Av Iman 1, Torre de Investigacion, Piso 9, Coyoacan, 04530, Mexico City, Mexico
| | - Mikko Seppänen
- Harvinaissairauksien yksikkö (HAKE), Rare Disease Center, Helsinki University Hospital (HUH), Helsinki, Finland
| | - Mimi L K Tang
- Murdoch Children's Research Institute, The Royal Children's Hospital, University of Melbourne, Melbourne, Australia
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107
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Waddell B, Belcher C, Willey E. Cytomegalovirus induced hemophagocytic lymphocytic histiocytosis in two pediatric patients with acute lymphoblastic leukemia. IDCases 2017; 9:116-118. [PMID: 28791218 PMCID: PMC5537164 DOI: 10.1016/j.idcr.2017.07.003] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2017] [Revised: 07/08/2017] [Accepted: 07/08/2017] [Indexed: 12/28/2022] Open
Abstract
Hemophagocytic lymphohistiocytosis (HLH) is a rare inflammatory condition with tissue destruction due to abnormal immune activation. We present a series of 2 cases of cytomegalovirus-induced HLH in children during maintenance chemotherapy for acute lymphoblastic leukemia. These cases emphasize the importance of considering secondary HLH in this high-risk subset of pediatric patients.
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Affiliation(s)
- Benjamin Waddell
- Peyton Manning Children's Hospital at St. Vincent, 220 Naab Rd # 200, 46260, United States
| | - Chris Belcher
- Peyton Manning Children's Hospital at St. Vincent, Infectious Disease of Indiana, 11455 N Meridian St, Carmel, IN 46032, United States
| | - Emily Willey
- Indiana University School of Medicine, 340 W 10th St #6200, Indianapolis, IN 46202, United States
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108
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Bereikienė S, Rascon J. Hemofagocitinė limfohistiocitozė: literatūros apžvalga. Acta Med Litu 2017. [PMID: 28630593 PMCID: PMC5467963 DOI: 10.6001/actamedica.v24i1.3463] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
Abstract
HEMOPHAGOCYTIC LYMPHOHISTIOCYTOSIS A LITERATURE REVIEW Hemophagocytic lymphohistiocytosis is an immune dysregulatory syndrome that is associated with alteration in the immune response activation and inhibition balance. There are two basic forms of the syndrome: primary (genetic or familial) determined by genes mutations involved in immune cell interactions, and secondary or sporadic developing as a result of an infectious process. The exact genetic background of the secondary form is still unknown. These forms are characterized by same combination of specific hyperinflammatory reactions and clinical signs and symptoms. Discrimination between primary and secondary forms is often challenging due to the rarity of the pathology, a wide spectrum of clinical signs, and limited availability of specific tests. Etiopathogenetic treatment of the primary form is an urgent allogeneic hematopoietic stem cell transplantation, otherwise a fatal outcome is inevitable. Meanwhile, the approach to the secondary form depends on the clinical manifestation and the type of the infectious trigger. To rescue the patient, a timely diagnosis is crucial for prompt administration of appropriate treatment. Treatment of hemophagocytic lymphohistiocytosis is complicated by the high incidence of treatment-related mortality and the propensity to relapse. Keywords: hemophagocytis lymphohistiocytosis, immunodeficiency, diagnostic criteria.
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Affiliation(s)
| | - Jelena Rascon
- Vilniaus universiteto Medicinos fakulteto Vaikų ligų klinika.,Vaikų ligoninė, VšĮ Vilniaus universiteto ligoninės Santariškių klinikų filialas, Vaikų onkohematologijos centras
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109
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Klemann C, Ammann S, Heizmann M, Fuchs S, Bode SF, Heeg M, Fuchs H, Lehmberg K, Zur Stadt U, Roll C, Vraetz T, Speckmann C, Lorenz MR, Schwarz K, Rohr J, Feske S, Ehl S. Hemophagocytic lymphohistiocytosis as presenting manifestation of profound combined immunodeficiency due to an ORAI1 mutation. J Allergy Clin Immunol 2017. [PMID: 28633876 DOI: 10.1016/j.jaci.2017.05.039] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Affiliation(s)
- Christian Klemann
- Center for Chronic Immunodeficiency, Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany; Center for Pediatrics, Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Sandra Ammann
- Center for Chronic Immunodeficiency, Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Miriam Heizmann
- Center for Chronic Immunodeficiency, Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Sebastian Fuchs
- Center for Chronic Immunodeficiency, Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Sebastian F Bode
- Center for Pediatrics, Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Maximilian Heeg
- Center for Chronic Immunodeficiency, Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany; Center for Pediatrics, Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Hans Fuchs
- Center for Pediatrics, Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Kai Lehmberg
- Pediatric Hematology and Oncology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Udo Zur Stadt
- Center for Diagnostic, University Medical Center Hamburg- Eppendorf, Hamburg, Germany
| | - Claudia Roll
- Vest Children's Hospital Datteln, University Witten-Herdecke, Datteln, Germany
| | - Thomas Vraetz
- Center for Pediatrics, Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Carsten Speckmann
- Center for Chronic Immunodeficiency, Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany; Center for Pediatrics, Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | | | - Klaus Schwarz
- Institute for Transfusion Medicine, University of Ulm, Ulm, Germany; Institute for Clinical Transfusion Medicine and Immunogenetics Ulm, German Red Cross Blood Service, Ulm, Germany
| | - Jan Rohr
- Center for Chronic Immunodeficiency, Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany; Center for Pediatrics, Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Stefan Feske
- Department of Pathology, New York University School of Medicine, New York, NY
| | - Stephan Ehl
- Center for Chronic Immunodeficiency, Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany; Center for Pediatrics, Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany.
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110
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Parvaneh N, Barlogis V, Alborzi A, Deswarte C, Boisson-Dupuis S, Migaud M, Farnaria C, Markle J, Parvaneh L, Casanova JL, Bustamante J. Visceral leishmaniasis in two patients with IL-12p40 and IL-12Rβ1 deficiencies. Pediatr Blood Cancer 2017; 64. [PMID: 27873456 DOI: 10.1002/pbc.26362] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/24/2016] [Revised: 10/24/2016] [Accepted: 10/25/2016] [Indexed: 12/31/2022]
Abstract
Mutations of the IL12B and IL12RB1 genes underlie the development of IL-12 p40 and IL-12Rβ1 deficiencies, respectively, both of which cause predisposition to infection with weakly virulent mycobacteria and Salmonella. Infections with other intramacrophagic organisms have only been rarely observed. We identified two patients with visceral leishmaniasis who had autosomal recessive IL-12 p40 and IL-12Rβ1 deficiencies, respectively. This finding demonstrates the importance of IFN-γ immunity in the control of leishmaniasis. We also searched the literature for similar reports in patients with these and other primary immunodeficiencies.
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Affiliation(s)
- Nima Parvaneh
- Division of Allergy and Clinical Immunology, Department of Pediatrics, Tehran University of Medical Sciences, Tehran, Iran.,Research Center for Immunodeficiencies, Children's Medical Center, Tehran, Iran
| | - Vincent Barlogis
- Pediatric Hematology-Oncology Unit, Timone Hospital for Children, Marseille, France
| | - Abdolvahab Alborzi
- Professor Alborzi Clinical Microbiology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran.,Department of Medical Parasitology and Mycology, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Caroline Deswarte
- Laboratory of Human Genetics of Infectious Diseases, Necker Branch, Institut National de la Santé et de la Recherche Médicale, Paris, France.,Imagine Institute, Paris Descartes University, Paris, France
| | - Stéphanie Boisson-Dupuis
- Laboratory of Human Genetics of Infectious Diseases, Necker Branch, Institut National de la Santé et de la Recherche Médicale, Paris, France.,Imagine Institute, Paris Descartes University, Paris, France.,St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, The Rockefeller University, New York, New York
| | - Mélanie Migaud
- Laboratory of Human Genetics of Infectious Diseases, Necker Branch, Institut National de la Santé et de la Recherche Médicale, Paris, France.,Imagine Institute, Paris Descartes University, Paris, France
| | | | - Janet Markle
- St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, The Rockefeller University, New York, New York
| | - Leila Parvaneh
- Research Center for Immunodeficiencies, Children's Medical Center, Tehran, Iran
| | - Jean-Laurent Casanova
- Laboratory of Human Genetics of Infectious Diseases, Necker Branch, Institut National de la Santé et de la Recherche Médicale, Paris, France.,Imagine Institute, Paris Descartes University, Paris, France.,St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, The Rockefeller University, New York, New York.,Pediatric Hematology-Immunology Unit, Necker Hospital for Sick Children, Paris, France.,Howard Hughes Medical Institute, New York, New York
| | - Jacinta Bustamante
- Laboratory of Human Genetics of Infectious Diseases, Necker Branch, Institut National de la Santé et de la Recherche Médicale, Paris, France.,Imagine Institute, Paris Descartes University, Paris, France.,St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, The Rockefeller University, New York, New York.,Center for the Study of Primary Immunodeficiencies, Assistance Publique-Hôpitaux de Paris AP-HP, Necker-Enfants Malades Hospital, Paris, France
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111
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Clinical utility of soluble interleukin-2 receptor in hemophagocytic syndromes: a systematic scoping review. Ann Hematol 2017; 96:1241-1251. [PMID: 28497365 DOI: 10.1007/s00277-017-2993-y] [Citation(s) in RCA: 91] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2017] [Accepted: 04/11/2017] [Indexed: 12/22/2022]
Abstract
The serum-soluble interleukin-2 receptor (sIL-2r) level is considered an important diagnostic test and disease marker in hemophagocytic syndromes/hemophagocytic lymphohistiocytosis (HPS/HLH). However, this cytokine receptor is rarely measured in clinical practice and has been excluded from recent diagnostic/classification criteria such as the HScore and macrophage activation syndrome (MAS) 16. We performed a systematic scoping review of 64 articles (1975-2016) examining the clinical utility of sIL-2r in HPS/HLH. Twenty-two articles describe sIL-2r as a sensitive diagnostic marker for HLH, but only three distinct datasets actually address sensitivity. The original HLH-2004 Guidelines reported sensitivity of 93% and specificity of 100% for sIL-2r ≥ 2400, based on a pediatric dataset (n = 152) which is published for the first time in this review. Two pediatric studies reported sensitivity of 89% for sIL-2r ≥ 2400 in diagnosis of MAS complicating juvenile idiopathic arthritis (JIA) (n = 27) and 88% for secondary HLH in acute liver failure (n = 9). Twenty articles described sIL-2r as a dynamic marker of disease activity that falls with response to treatment, and 15 described high initial sIL-2r levels >10,000 U/mL as a poor prognostic marker. The ability of sIL-2r to distinguish between subtypes of HPS/HLH was inconsistent. This review confirms the importance of soluble IL-2r as a diagnostic and disease marker in HPS/HLH, but also reveals the need for more primary data about its performance characteristics, particularly in adults. More emphasis should be made in including this simple, inexpensive test in clinical practice and studies of HPS/HLH.
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112
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Xu XJ, Wang HS, Ju XL, Xiao PF, Xiao Y, Xue HM, Shi HY, Gao YJ, Jia GC, Li XR, Zhao WH, Wang NL, Tang YM. Clinical presentation and outcome of pediatric patients with hemophagocytic lymphohistiocytosis in China: A retrospective multicenter study. Pediatr Blood Cancer 2017; 64. [PMID: 27781387 DOI: 10.1002/pbc.26264] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/14/2016] [Revised: 07/31/2016] [Accepted: 08/22/2016] [Indexed: 12/19/2022]
Abstract
BACKGROUND Hemophagocytic lymphohistiocytosis (HLH) is a heterogeneous disease with major diagnostic and therapeutic difficulties. A large-scale multicenter study of pediatric HLH is still lacking in China. PROCEDURE The Histiocytosis Study Group of the Chinese Pediatric Society conducted this retrospective study in 2014. A total of 323 patients diagnosed with HLH between 2011 and 2013 from 12 hospitals were registered. RESULTS The median age at diagnosis was 2.2 years (range, 0-14.6 years), with a peak age of HLH onset at 0 to 3 years (63%). Mutations in HLH-related genes were found in 27.9% (24/86) patients who underwent genetic testing. PRF1, UNC13D, STXBP2 and LYST were the predominant genes involved. Sixteen patients (66.7%) presented with only monoallelic mutations in one gene. Epstein-Barr virus (EBV) infection was the major condition related to HLH, which was documented in 74.4% (201/270) of the patients who underwent EBV detection. Of 252 evaluable patients, 64.7% (163) achieved non-active disease at the eighth week and patients treated with a protocol containing etoposide presented higher remission rates (75.6% vs. 46.8%, P < 0.001). In multivariate analysis, a younger age at diagnosis (<12 months), platelet count less than 80×109 /L, central nervous system involvement, and initial treatment using a protocol without etoposide (not HLH-94/04) were independent prognostic factors indicating resistant disease. DISCUSSION This study first multicenter assessment of HLH in China shows some different features in Chinese children with HLH compared with those in western countries, including older age, vulnerability to EBV infection, and a high proportion of patients with single monoallelic genetic mutations.
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Affiliation(s)
- Xiao-Jun Xu
- Department of Hematology/Oncology, Children's Hospital of Zhejiang University School of Medicine, Hangzhou, P.R. China
| | - Hong-Sheng Wang
- Department of Hematology/Oncology, Children's Hospital of Fudan University, Shanghai, P.R. China
| | - Xiu-Li Ju
- Department of Pediatrics, Qilu Hospital of Shandong University, Ji'nan, P.R. China
| | - Pei-Fang Xiao
- Department of Hematology/Oncology, Children's Hospital of Soochow University, Soochow, P.R. China
| | - Yan Xiao
- Department of Pediatrics, Wuhan Union Hospital, Wuhan, P.R. China
| | - Hong-Man Xue
- Department of Pediatrics, Second Affiliated Hospital of Sun Yat-Sen University, Guangzhou, P.R. China
| | - Hong-Yu Shi
- Department of Hematology, Children's Hospital of Shanxi, Taiyuan, P.R. China
| | - Yi-Jin Gao
- Department of Hematology/Oncology, Shanghai Children's Medical Center, Shanghai, P.R. China
| | - Guo-Cun Jia
- Department of Pediatrics, Children's Hospital of Zhengzhou, Zhengzhou, P.R. China
| | - Xue-Rong Li
- Department of Pediatrics, the Affiliated Hospital of Qingdao University, Qingdao, P.R. China
| | - Wei-Hong Zhao
- Department of Pediatrics, Peking University First Hospital, Beijing, P.R. China
| | - Ning-Ling Wang
- Department of Pediatrics, Second Affiliated Hospital of Anhui Medical University, Hefei, P.R. China
| | - Yong-Min Tang
- Department of Hematology/Oncology, Children's Hospital of Zhejiang University School of Medicine, Hangzhou, P.R. China
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113
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Marsh RA, Jordan MB, Talano JA, Nichols KE, Kumar A, Naqvi A, Vaiselbuh SR. Salvage therapy for refractory hemophagocytic lymphohistiocytosis: A review of the published experience. Pediatr Blood Cancer 2017; 64. [PMID: 27786410 DOI: 10.1002/pbc.26308] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/31/2016] [Revised: 09/19/2016] [Accepted: 09/20/2016] [Indexed: 11/07/2022]
Abstract
Hemophagocytic lymphohistioytosis (HLH) is a severe, life-threatening hyperinflammatory disorder that requires prompt diagnosis and treatment. Approximately, 25-50% of patients with HLH fail to achieve remission with established regimens that include dexamethasone and etoposide, or methylprednisolone and antithymocyte globulin (ATG). Some of these patients may require salvage or alternative therapeutic approaches. There is a paucity of literature regarding effective salvage therapies for patients with refractory HLH. In this review, we summarize the published experience of four therapeutics reported for using at least two patients with HLH refractory to dexamethasone and etoposide or methylprednisolone and ATG.
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Affiliation(s)
- Rebecca A Marsh
- Division of Bone Marrow Transplantation and Immune Deficiency, Cincinnati Children's Hospital, Cincinnati, Ohio
| | - Michael B Jordan
- Division of Bone Marrow Transplantation and Immune Deficiency, Cincinnati Children's Hospital, Cincinnati, Ohio.,Division of Immunobiology, Cincinnati Children's Hospital, Cincinnati, Ohio
| | - Julie-An Talano
- Division of Pediatric Hematology and Oncology Medical College of Wisconsin, Milwaukee, Wisconsin
| | - Kim E Nichols
- Division of Cancer Predisposition, St. Jude Children's Research Hospital, Memphis, Tennessee
| | - Ashish Kumar
- Division of Bone Marrow Transplantation and Immune Deficiency, Cincinnati Children's Hospital, Cincinnati, Ohio
| | - Ahmed Naqvi
- Division of Haematology/Oncology, Department of Pediatrics, The Hospital for Sick Children, Toronto, Ontario
| | - Sarah R Vaiselbuh
- Children's Cancer Center, Staten Island University Hospital at Northwell Health, Staten Island, New York
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114
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Karapınar TH, Yılmaz Karapinar D, Oymak Y, Ay Y, Demirağ B, Aykut A, Onay H, Hazan F, Aydınok Y, Özkınay F, Vergin C. HAX1 mutation positive children presenting with haemophagocytic lymphohistiocytosis. Br J Haematol 2017; 177:597-600. [PMID: 28169428 DOI: 10.1111/bjh.14574] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2016] [Accepted: 12/05/2016] [Indexed: 11/26/2022]
Abstract
The genetic basis of haemophagocytic lymphohistiocytosis (HLH) has not been elucidated in 10% of affected patients. In this study, we report four HLH episodes in three patients with HAX1 gene mutations. We screened the mutations associated with congenital neutropenia (CN) because the neutropenia persisted following HLH treatment. There were homozygous HAX1 mutations detected in all patients. This is the first case series of patients with CN caused by HAX1 mutation who presented with HLH. We hypothesize that severe neutropenia persists after an HLH episode in children without HLH mutations (especially infants) because these patients have CN caused by HAX1 mutations.
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Affiliation(s)
- Tuba H Karapınar
- Department of Paediatric Haematology-Oncology, Dr. Behçet Uz Children Research and Training Hospital, Izmir, Turkey
| | - Deniz Yılmaz Karapinar
- Department of Paediatric Haematology-Oncology, Ege University Faculty of Medicine, Izmir, Turkey
| | - Yeşim Oymak
- Department of Paediatric Haematology-Oncology, Dr. Behçet Uz Children Research and Training Hospital, Izmir, Turkey
| | - Yılmaz Ay
- Department of Paediatric Haematology-Oncology, Dr. Behçet Uz Children Research and Training Hospital, Izmir, Turkey
| | - Bengü Demirağ
- Department of Paediatric Haematology-Oncology, Dr. Behçet Uz Children Research and Training Hospital, Izmir, Turkey
| | - Ayça Aykut
- Department of Medical Genetics, Ege University Faculty of Medicine, Izmir, Turkey
| | - Hüseyin Onay
- Department of Medical Genetics, Ege University Faculty of Medicine, Izmir, Turkey
| | - Filiz Hazan
- Department of Medical Genetics, Dr. Behçet Uz Children Research and Training Hospital, Izmir, Turkey
| | - Yeşim Aydınok
- Department of Paediatric Haematology-Oncology, Ege University Faculty of Medicine, Izmir, Turkey
| | - Ferda Özkınay
- Department of Medical Genetics, Ege University Faculty of Medicine, Izmir, Turkey
| | - Canan Vergin
- Department of Paediatric Haematology-Oncology, Dr. Behçet Uz Children Research and Training Hospital, Izmir, Turkey
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115
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Ammann S, Lehmberg K, Zur Stadt U, Janka G, Rensing-Ehl A, Klemann C, Heeg M, Bode S, Fuchs I, Ehl S. Primary and secondary hemophagocytic lymphohistiocytosis have different patterns of T-cell activation, differentiation and repertoire. Eur J Immunol 2017; 47:364-373. [PMID: 27925643 PMCID: PMC7163530 DOI: 10.1002/eji.201646686] [Citation(s) in RCA: 55] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2016] [Revised: 10/27/2016] [Accepted: 12/02/2016] [Indexed: 01/18/2023]
Abstract
Hemophagocytic lymphohistiocytosis (HLH) is a life‐threatening inflammatory syndrome characterized by hyperactivation of lymphocytes and histiocytes. T cells play a key role in HLH pathogenesis, but their differentiation pattern is not well characterized in patients with active HLH. We compared T‐cell activation patterns between patients with familial HLH (1°HLH), 2°HLH without apparent infectious trigger (2°HLH) and 2°HLH induced by a viral infection (2°V‐HLH). Polyclonal CD8+ T cells are highly activated in 1°HLH and 2°V‐HLH, but less in 2°HLH as assessed by HLA‐DR expression and marker combination with CD45RA, CCR7, CD127, PD‐1 and CD57. Absence of increased HLA‐DR expression on T cells excluded active 1° HLH with high sensitivity and specificity. A high proportion of polyclonal CD127−CD4+ T cells expressing HLA‐DR, CD57, and perforin is a signature of infants with 1°HLH, much less prominent in virus‐associated 2°HLH. The similar pattern and extent of CD8+ T‐cell activation compared to 2° V‐HLH is compatible with a viral trigger of 1°HLH. However, in most 1°HLH patients no triggering infection was documented and the unique activation of cytotoxic CD4+ T cells indicates that the overall T‐cell response in 1°HLH is different. This may reflect different pathways of pathogenesis of these two HLH variants.
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Affiliation(s)
- Sandra Ammann
- Center for Chronic Immunodeficiency (CCI), Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Germany.,Faculty of Biology, University of Freiburg, Germany
| | - Kai Lehmberg
- Pediatric Hematology and Oncology, University Medical Center Hamburg Eppendorf, Germany
| | - Udo Zur Stadt
- Center for Diagnostic, University Medical Center Hamburg Eppendorf, Germany
| | - Gritta Janka
- Pediatric Hematology and Oncology, University Medical Center Hamburg Eppendorf, Germany
| | - Anne Rensing-Ehl
- Center for Chronic Immunodeficiency (CCI), Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Germany
| | - Christian Klemann
- Center for Chronic Immunodeficiency (CCI), Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Germany.,Center for Pediatrics, Department of Pediatric Hematology and Oncology, University Medical Center, University of Freiburg, Faculty of Medicine, University of Freiburg, Germany
| | - Maximilian Heeg
- Center for Chronic Immunodeficiency (CCI), Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Germany.,Center for Pediatrics, Department of Pediatric Hematology and Oncology, University Medical Center, University of Freiburg, Faculty of Medicine, University of Freiburg, Germany
| | - Sebastian Bode
- Center for Chronic Immunodeficiency (CCI), Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Germany.,Center for Pediatrics, Department of Pediatric Hematology and Oncology, University Medical Center, University of Freiburg, Faculty of Medicine, University of Freiburg, Germany
| | - Ilka Fuchs
- Center for Chronic Immunodeficiency (CCI), Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Germany
| | - Stephan Ehl
- Center for Chronic Immunodeficiency (CCI), Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Germany.,Center for Pediatrics, Department of Pediatric Hematology and Oncology, University Medical Center, University of Freiburg, Faculty of Medicine, University of Freiburg, Germany
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116
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Staines-Boone AT, Deswarte C, Venegas Montoya E, Sánchez-Sánchez LM, García Campos JA, Muñiz-Ronquillo T, Bustamante J, Espinosa-Rosales FJ, Lugo Reyes SO. Multifocal Recurrent Osteomyelitis and Hemophagocytic Lymphohistiocytosis in a Boy with Partial Dominant IFN-γR1 Deficiency: Case Report and Review of the Literature. Front Pediatr 2017; 5:75. [PMID: 28516082 PMCID: PMC5413492 DOI: 10.3389/fped.2017.00075] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/17/2016] [Accepted: 03/28/2017] [Indexed: 12/28/2022] Open
Abstract
Mutations in the genes coding for cytokines, receptors, second messengers, and transcription factors of interferon gamma (IFN-γ) immunity cause Mendelian susceptibility to mycobacterial disease (MSMD). We report the case of a 7-year-old male patient with partial dominant (PD) IFN-γ receptor 1 deficiency who had suffered from multifocal osteomyelitis attributable to bacille Calmette-Guérin vaccination since the age of 18 months. He developed hemophagocytic lymphohistiocytosis (HLH), a hyper-inflammatory complication, and died with multiorgan dysfunction, despite having been diagnosed and treated relatively early. Patients with PD IFN-γR1 deficiency usually have good prognosis and might respond to human recombinant subcutaneous IFN-γ. Several monogenic congenital defects have been linked to HLH, a catastrophic "cytokine storm" that is usually ascribed to lymphocyte dysfunction and thought to be triggered by interferon gamma. This is the sixth patient with both MSMD and HLH of whom we are aware. The fact that patients with macrophages that cannot respond to IFN-γ still develop HLH, bring these assumptions into question.
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Affiliation(s)
| | - Caroline Deswarte
- Laboratory of Human Genetics of Infectious Diseases, Necker Branch, Institut Imagine, Paris, France
| | - Edna Venegas Montoya
- Pediatrics Department, UMAE 25 IMSS, Monterrey, Mexico.,Immunodeficiencies Research Unit, National Institute of Pediatrics, Mexico City, Mexico
| | | | | | | | - Jacinta Bustamante
- Laboratory of Human Genetics of Infectious Diseases, Necker Branch, Institut Imagine, Paris, France
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117
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Gene-corrected human Munc13-4–deficient CD8+ T cells can efficiently restrict EBV-driven lymphoproliferation in immunodeficient mice. Blood 2016; 128:2859-2862. [DOI: 10.1182/blood-2016-07-729871] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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118
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Dinauer MC. Primary immune deficiencies with defects in neutrophil function. HEMATOLOGY. AMERICAN SOCIETY OF HEMATOLOGY. EDUCATION PROGRAM 2016; 2016:43-50. [PMID: 27913461 PMCID: PMC6142438 DOI: 10.1182/asheducation-2016.1.43] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Immune deficiencies resulting from inherited defects in neutrophil function have revealed important features of the innate immune response. Although sharing an increased susceptibility to bacterial and fungal infections, these disorders each have distinctive features in their clinical manifestations and characteristic microbial pathogens. This review provides an update on several genetic disorders with impaired neutrophil function, their pathogenesis, and treatment strategies. These include chronic granulomatous disease, which results from inactivating mutations in the superoxide-generating nicotinamide dinucleotide phosphate oxidase. Superoxide-derived oxidants play an important role in the control of certain bacterial and fungal species, and also contribute to the regulation of inflammation. Also briefly summarized are updates on leukocyte adhesion deficiency, including the severe periodontal disease characteristic of this disorder, and a new immune deficiency associated with defects in caspase recruitment domain-containing protein 9, an adaptor protein that regulates signaling in neutrophils and other myeloid cells, leading to invasive fungal disease.
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Affiliation(s)
- Mary C Dinauer
- Department of Pediatrics, Washington University School of Medicine in St. Louis, St. Louis, MO
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119
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120
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Worth AJJ, Houldcroft CJ, Booth C. Severe Epstein-Barr virus infection in primary immunodeficiency and the normal host. Br J Haematol 2016; 175:559-576. [PMID: 27748521 DOI: 10.1111/bjh.14339] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Epstein-Barr virus (EBV) infection is ubiquitous in humans, but the majority of infections have an asymptomatic or self-limiting clinical course. Rarely, individuals may develop a pathological EBV infection with a variety of life threatening complications (including haemophagocytosis and malignancy) and others develop asymptomatic chronic EBV viraemia. Although an impaired ability to control EBV infection has long been recognised as a hallmark of severe T-cell immunodeficiency, the advent of next generation sequencing has identified a series of Primary Immunodeficiencies in which EBV-related pathology is the dominant feature. Chronic active EBV infection is defined as chronic EBV viraemia associated with systemic lymphoproliferative disease, in the absence of immunodeficiency. Descriptions of larger cohorts of patients with chronic active EBV in recent years have significantly advanced our understanding of this clinical syndrome. In this review we summarise the current understanding of the pathophysiology and natural history of these diseases and clinical syndromes, and discuss approaches to the investigation and treatment of severe or atypical EBV infection.
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Affiliation(s)
- Austen J J Worth
- Department of Immunology, Great Ormond Street Hospital, London, UK.,Molecular and Cellular Immunology Section, UCL Institute of Child Health, London, UK
| | - Charlotte J Houldcroft
- Infection, Inflammation and Rheumatology Section, UCL Institute of Child Health, London, UK
| | - Claire Booth
- Department of Immunology, Great Ormond Street Hospital, London, UK.,Molecular and Cellular Immunology Section, UCL Institute of Child Health, London, UK
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121
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Brisse E, Matthys P, Wouters CH. Understanding the spectrum of haemophagocytic lymphohistiocytosis: update on diagnostic challenges and therapeutic options. Br J Haematol 2016; 174:175-87. [PMID: 27292929 DOI: 10.1111/bjh.14144] [Citation(s) in RCA: 63] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
The cytokine storm syndrome 'haemophagocytic lymphohistiocytosis' (HLH) is an under-recognized hyperinflammatory disorder, causing high morbidity and mortality risk in children and adults. It can be subdivided into a primary, genetic form and a secondary, acquired form that complicates diverse infections, malignancies and autoimmune or autoinflammatory disorders. Both subtypes present with the same spectrum of non-specific symptoms, making accurate diagnosis and rapid treatment initiation challenging. In the last decade, increased awareness and international collaborative efforts fuelled a marked progress in diagnostic protocols and novel treatment strategies for HLH and new diagnostic guidelines are being tailored to specific secondary HLH subtypes. Therapy is gradually shifting its focus from overall immunosuppression towards targeting specific cytokines, cell types or signalling pathways underlying pathophysiology. Nevertheless, continued research efforts remain indispensable to customize therapy to individual patient needs.
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Affiliation(s)
- Ellen Brisse
- Laboratory of Immunobiology, Rega Institute, KU Leuven, Leuven, Belgium
| | - Patrick Matthys
- Laboratory of Immunobiology, Rega Institute, KU Leuven, Leuven, Belgium
| | - Carine H Wouters
- Laboratory of Paediatric Immunology, KU Leuven, University Hospital Gasthuisberg, Leuven, Belgium
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122
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Brisse E, Wouters CH, Matthys P. Advances in the pathogenesis of primary and secondary haemophagocytic lymphohistiocytosis: differences and similarities. Br J Haematol 2016; 174:203-17. [PMID: 27264204 DOI: 10.1111/bjh.14147] [Citation(s) in RCA: 93] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Haemophagocytic lymphohistiocytosis (HLH) comprises a heterogeneous spectrum of hyperinflammatory conditions that are inherited (primary HLH) or acquired in a context of infections, malignancies or autoimmune/autoinflammatory disorders (secondary HLH). Genetic defects in the cytotoxic machinery of natural killer and CD8(+) T cells underlie primary HLH, with residual cytotoxicity determining disease severity. Improved sequencing techniques have expanded the range of causal mutations and have redefined many cases of secondary HLH as primary HLH and vice versa, blurring the distinction between both subtypes. These insights allow HLH to be conceptualized as a threshold disease, in which interplay between various genetic and environmental factors causes progressive inflammation into a critical point, beyond which uncontrolled activation of immune cells and excessive cytokine production give rise to the cardinal symptoms of HLH. Various pathogenic pathways may thus converge to a common end stage of fulminant HLH.
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Affiliation(s)
- Ellen Brisse
- Laboratory of Immunobiology, Rega Institute, KU Leuven, Leuven, Belgium
| | - Carine H Wouters
- Laboratory of Paediatric Immunology, KU Leuven, University Hospital Gasthuisberg, Leuven, Belgium
| | - Patrick Matthys
- Laboratory of Immunobiology, Rega Institute, KU Leuven, Leuven, Belgium
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123
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Chiriaco M, Salfa I, Di Matteo G, Rossi P, Finocchi A. Chronic granulomatous disease: Clinical, molecular, and therapeutic aspects. Pediatr Allergy Immunol 2016; 27:242-53. [PMID: 26680691 DOI: 10.1111/pai.12527] [Citation(s) in RCA: 89] [Impact Index Per Article: 11.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 12/12/2015] [Indexed: 12/28/2022]
Abstract
Chronic granulomatous disease (CGD) is a rare primary immunodeficiency caused by defects in the genes encoding any of the NADPH oxidase components responsible for the respiratory burst of phagocytic leukocytes. CGD is a genetically heterogeneous disease with an X-linked recessive (XR-CGD) form caused by mutations in the CYBB gene encoding the gp91(phox) protein, and an autosomal recessive (AR-CGD) form caused by mutations in the CYBA, NCF1, NCF2, or NCF4 genes encoding p22(phox) , p47(phox) , p67(phox) , and p40(phox) , respectively. Patients suffering from this disease are susceptible to severe life-threatening bacterial and fungal infections and excessive inflammation characterized by granuloma formation in any organ, for instance, the gastrointestinal and genitourinary tract. An early diagnosis of and the prompt treatment for these conditions are crucial for an optimal outcome of affected patients. To prevent infections, CGD patients should receive lifelong antibiotics and antifungal prophylaxis. These two measures, as well as newer more effective antimicrobials, have significantly modified the natural history of CGD, resulting in a remarkable change in overall survival, which is now around 90%, reaching well into adulthood. At present, hematopoietic stem cell transplantation (HSCT) is the only definitive treatment that can cure CGD and reverse organ dysfunction. Timing, donor selection, and conditioning regimens remain the key points of this therapy. In recent years, gene therapy (GT) for XR-CGD has been proposed as an alternative to HSCT for CGD patients without a matched donor. After the failure of the first trials performed with retroviral vectors, some groups have proposed the use of regulated SIN-lentiviral vectors targeting gp91(phox) expression in myeloid cells to increase the safety and efficacy of the GT protocols.
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Affiliation(s)
- Maria Chiriaco
- University Department of Pediatrics, Unit of Immune and Infectious Diseases, Children's Hospital Bambino Gesù, Rome, Italy.,Department of Systems Medicine, University of Rome "Tor Vergata", Rome, Italy
| | - Irene Salfa
- University Department of Pediatrics, Unit of Immune and Infectious Diseases, Children's Hospital Bambino Gesù, Rome, Italy.,Department of Systems Medicine, University of Rome "Tor Vergata", Rome, Italy
| | - Gigliola Di Matteo
- University Department of Pediatrics, Unit of Immune and Infectious Diseases, Children's Hospital Bambino Gesù, Rome, Italy.,Department of Systems Medicine, University of Rome "Tor Vergata", Rome, Italy
| | - Paolo Rossi
- University Department of Pediatrics, Unit of Immune and Infectious Diseases, Children's Hospital Bambino Gesù, Rome, Italy.,Department of Systems Medicine, University of Rome "Tor Vergata", Rome, Italy
| | - Andrea Finocchi
- University Department of Pediatrics, Unit of Immune and Infectious Diseases, Children's Hospital Bambino Gesù, Rome, Italy.,Department of Systems Medicine, University of Rome "Tor Vergata", Rome, Italy
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124
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Filippone EJ, Farber JL. Hemophagocytic lymphohistiocytosis: an update for nephrologists. Int Urol Nephrol 2016; 48:1291-1304. [DOI: 10.1007/s11255-016-1294-z] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2016] [Accepted: 04/11/2016] [Indexed: 12/11/2022]
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125
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Revised classification of histiocytoses and neoplasms of the macrophage-dendritic cell lineages. Blood 2016; 127:2672-81. [PMID: 26966089 DOI: 10.1182/blood-2016-01-690636] [Citation(s) in RCA: 851] [Impact Index Per Article: 106.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2016] [Accepted: 03/02/2016] [Indexed: 12/11/2022] Open
Abstract
The histiocytoses are rare disorders characterized by the accumulation of macrophage, dendritic cell, or monocyte-derived cells in various tissues and organs of children and adults. More than 100 different subtypes have been described, with a wide range of clinical manifestations, presentations, and histologies. Since the first classification in 1987, a number of new findings regarding the cellular origins, molecular pathology, and clinical features of histiocytic disorders have been identified. We propose herein a revision of the classification of histiocytoses based on histology, phenotype, molecular alterations, and clinical and imaging characteristics. This revised classification system consists of 5 groups of diseases: (1) Langerhans-related, (2) cutaneous and mucocutaneous, and (3) malignant histiocytoses as well as (4) Rosai-Dorfman disease and (5) hemophagocytic lymphohistiocytosis and macrophage activation syndrome. Herein, we provide guidelines and recommendations for diagnoses of these disorders.
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126
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Ghosh S, Seidel MG. Editorial: Current Challenges in Immune and Other Acquired Cytopenias of Childhood. Front Pediatr 2016; 4:3. [PMID: 26870718 PMCID: PMC4735444 DOI: 10.3389/fped.2016.00003] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/27/2015] [Accepted: 01/14/2016] [Indexed: 01/14/2023] Open
Affiliation(s)
- Sujal Ghosh
- Department of Pediatric Oncology, Hematology and Clinical Immunology, Center of Child and Adolescent Health, Medical Faculty, Heinrich-Heine University, Düsseldorf, Germany; Molecular and Cellular Immunology Section, University College London - Institute of Child Health, London, UK
| | - Markus G Seidel
- Research Unit for Pediatric Hematology and Immunology, Division of Pediatric Hematology-Oncology, Department of Pediatrics and Adolescent Medicine, Medical University Graz , Graz , Austria
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127
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Tesi B, Lagerstedt-Robinson K, Chiang SCC, Ben Bdira E, Abboud M, Belen B, Devecioglu O, Fadoo Z, Yeoh AEJ, Erichsen HC, Möttönen M, Akar HH, Hästbacka J, Kaya Z, Nunes S, Patiroglu T, Sabel M, Saribeyoglu ET, Tvedt TH, Unal E, Unal S, Unuvar A, Meeths M, Henter JI, Nordenskjöld M, Bryceson YT. Targeted high-throughput sequencing for genetic diagnostics of hemophagocytic lymphohistiocytosis. Genome Med 2015; 7:130. [PMID: 26684649 PMCID: PMC4684627 DOI: 10.1186/s13073-015-0244-1] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2015] [Accepted: 11/11/2015] [Indexed: 01/06/2023] Open
Abstract
Background Hemophagocytic lymphohistiocytosis (HLH) is a rapid-onset, potentially fatal hyperinflammatory syndrome. A prompt molecular diagnosis is crucial for appropriate clinical management. Here, we validated and prospectively evaluated a targeted high-throughput sequencing approach for HLH diagnostics. Methods A high-throughput sequencing strategy of 12 genes linked to HLH was validated in 13 patients with previously identified HLH-associated mutations and prospectively evaluated in 58 HLH patients. Moreover, 2504 healthy individuals from the 1000 Genomes project were analyzed in silico for variants in the same genes. Results Analyses revealed a mutation detection sensitivity of 97.3 %, an average coverage per gene of 98.0 %, and adequate coverage over 98.6 % of sites previously reported as mutated in these genes. In the prospective cohort, we achieved a diagnosis in 22 out of 58 patients (38 %). Genetically undiagnosed HLH patients had a later age at onset and manifested higher frequencies of known secondary HLH triggers. Rare, putatively pathogenic monoallelic variants were identified in nine patients. However, such monoallelic variants were not enriched compared with healthy individuals. Conclusions We have established a comprehensive high-throughput platform for genetic screening of patients with HLH. Almost all cases with reduced natural killer cell function received a diagnosis, but the majority of the prospective cases remain genetically unexplained, highlighting genetic heterogeneity and environmental impact within HLH. Moreover, in silico analyses of the genetic variation affecting HLH-related genes in the general population suggest caution with respect to interpreting causality between monoallelic mutations and HLH. A complete understanding of the genetic susceptibility to HLH thus requires further in-depth investigations, including genome sequencing and detailed immunological characterization. Electronic supplementary material The online version of this article (doi:10.1186/s13073-015-0244-1) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Bianca Tesi
- Childhood Cancer Research Unit, Department of Women's and Children's Health, Karolinska Institutet, Karolinska University Hospital Solna, SE-17176, Stockholm, Sweden. .,Clinical Genetics Unit, Department of Molecular Medicine and Surgery, and Center for Molecular Medicine, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden.
| | - Kristina Lagerstedt-Robinson
- Clinical Genetics Unit, Department of Molecular Medicine and Surgery, and Center for Molecular Medicine, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden.,Clinical Genetics, Karolinska University Hospital, Stockholm, Sweden
| | - Samuel C C Chiang
- Centre for Infectious Medicine, Department of Medicine, Karolinska Institutet, Karolinska University Hospital Huddinge, SE-14186, Stockholm, Sweden
| | - Eya Ben Bdira
- Childhood Cancer Research Unit, Department of Women's and Children's Health, Karolinska Institutet, Karolinska University Hospital Solna, SE-17176, Stockholm, Sweden.,Clinical Genetics Unit, Department of Molecular Medicine and Surgery, and Center for Molecular Medicine, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
| | - Miguel Abboud
- Department of Pediatrics and Adolescent Medicine, American University of Beirut, Beirut, Lebanon
| | - Burcu Belen
- Department of Pediatric Hematology, Izmir Katip Celebi University Medical Faculty, Tepecik Training and Research Hospital, Izmir, Turkey
| | - Omer Devecioglu
- Department of Pediatric Hematology Oncology, Istanbul Medical School, Istanbul, Turkey
| | - Zehra Fadoo
- Department of Oncology and Pediatrics, Aga Khan University, Karachi, Pakistan
| | - Allen E J Yeoh
- Viva-University Children's Cancer Centre, Department of Paediatric, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | | | - Merja Möttönen
- Department of Pediatrics and Adolescence, PEDEGO Research Unit, Oulu University Hospital, Oulu, Finland
| | - Himmet Haluk Akar
- Department of Pediatric Immunology, Erciyes University Medical Faculty, Kayseri, Turkey
| | - Johanna Hästbacka
- Department of Perioperative and Intensive Care, Children's Hospital, Helsinki University Central Hospital, Helsinki, Finland
| | - Zuhre Kaya
- Pediatric Hematology Unit of the Department of Pediatrics, Medical School of Gazi University, Ankara, Turkey
| | - Susana Nunes
- Hematology-Oncology Unit, Department of Pediatrics, São João Hospital Center, Oporto, Portugal
| | - Turkan Patiroglu
- Department of Pediatric Immunology, Erciyes University Medical Faculty, Kayseri, Turkey
| | - Magnus Sabel
- Institute of Clinical Sciences, Department of Pediatrics, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden.,Queen Silvia Children's Hospital, Gothenburg, Sweden
| | - Ebru Tugrul Saribeyoglu
- Department of Pediatric Hematology and Oncology and Bone Marrow Transplantation Unit, Medipol School of Medicine, Medipol University, Istanbul, Turkey
| | - Tor Henrik Tvedt
- Department of Medicine, Haukeland University Hospital, Bergen, Norway
| | - Ekrem Unal
- Department of Pediatrics, Division of Pediatric Hematology and Oncology, Faculty of Medicine, Erciyes University, Kayseri, Turkey
| | - Sule Unal
- Department of Pediatrics, Division of Pediatric Hematology, Ankara, Turkey
| | - Aysegul Unuvar
- Division of Pediatric Hematology and Oncology, Istanbul School of Medicine, Istanbul University, Istanbul, Turkey
| | - Marie Meeths
- Childhood Cancer Research Unit, Department of Women's and Children's Health, Karolinska Institutet, Karolinska University Hospital Solna, SE-17176, Stockholm, Sweden.,Clinical Genetics Unit, Department of Molecular Medicine and Surgery, and Center for Molecular Medicine, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
| | - Jan-Inge Henter
- Childhood Cancer Research Unit, Department of Women's and Children's Health, Karolinska Institutet, Karolinska University Hospital Solna, SE-17176, Stockholm, Sweden
| | - Magnus Nordenskjöld
- Clinical Genetics Unit, Department of Molecular Medicine and Surgery, and Center for Molecular Medicine, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden.,Clinical Genetics, Karolinska University Hospital, Stockholm, Sweden
| | - Yenan T Bryceson
- Centre for Infectious Medicine, Department of Medicine, Karolinska Institutet, Karolinska University Hospital Huddinge, SE-14186, Stockholm, Sweden. .,Broegelmann Research Laboratory, The Gades Institute, University of Bergen, Bergen, Norway.
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