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Reed AE, Peraza J, van den Haak F, Hernandez ER, Gibbs RA, Chinn IK, Lupski JR, Marchi E, Reshef R, Alobeid B, Mace EM, Orange JS. β-Actin G342D as a Cause of NK Cell Deficiency Impairing Lytic Synapse Termination. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2024; 212:962-973. [PMID: 38315012 DOI: 10.4049/jimmunol.2300671] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Accepted: 01/09/2024] [Indexed: 02/07/2024]
Abstract
NK cell deficiency (NKD) occurs when an individual's major clinical immunodeficiency derives from abnormal NK cells and is associated with several genetic etiologies. Three categories of β-actin-related diseases with over 60 ACTB (β-actin) variants have previously been identified, none with a distinct NK cell phenotype. An individual with mild developmental delay, macrothrombocytopenia, and susceptibility to infections, molluscum contagiosum virus, and EBV-associated lymphoma had functional NKD for over a decade. A de novo ACTB variant encoding G342D β-actin was identified and was consistent with the individual's developmental and platelet phenotype. This novel variant also was found to have direct impact in NK cells because its expression in the human NK cell line YTS (YTS-NKD) caused increased cell spreading in lytic immune synapses created on activating surfaces. YTS-NKD cells were able to degranulate and perform cytotoxicity, but they demonstrated defective serial killing because of prolonged conjugation to the killed target cell and thus were effectively unable to terminate lytic synapses. G342D β-actin results in a novel, to our knowledge, mechanism of functional NKD via increased synaptic spreading and defective lytic synapse termination with resulting impaired serial killing, leading to overall reductions in NK cell cytotoxicity.
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Affiliation(s)
- Abigail E Reed
- Department of Pediatrics, Columbia University Irving Medical Center, New York, NY
- Department of Microbiology and Immunology, Columbia University Irving Medical Center, New York, NY
| | - Jackeline Peraza
- Department of Biology, Barnard College of Columbia University, New York, NY
| | - Frederique van den Haak
- Department of Pediatrics, Columbia University Irving Medical Center, New York, NY
- Department of Microbiology and Immunology, Columbia University Irving Medical Center, New York, NY
| | - Evelyn R Hernandez
- Department of Pediatrics, Columbia University Irving Medical Center, New York, NY
| | - Richard A Gibbs
- Department of Molecular and Human Genetics, Human Genome Sequencing Center, Baylor College of Medicine, Houston, TX
| | - Ivan K Chinn
- Division of Immunology, Allergy and Retrovirology, Department of Pediatrics, Texas Children's Hospital and Baylor College of Medicine, Houston, TX
| | - James R Lupski
- Department of Molecular and Human Genetics, Human Genome Sequencing Center, Texas Children's Hospital and Baylor College of Medicine, Houston, TX
- Department of Pediatrics, Texas Children's Hospital and Baylor College of Medicine, Houston, TX
| | - Enrica Marchi
- Division of Hematology-Oncology, Department of Medicine, NCI Designated Cancer Center, University of Virginia, Charlottesville, VA
| | - Ran Reshef
- Blood and Marrow Transplantation and Cell Therapy Program, Columbia University Irving Medical Center, New York, NY
| | - Bachir Alobeid
- Department of Pathology and Cell Biology, Columbia University Irving Medical Center, New York, NY
| | - Emily M Mace
- Department of Pediatrics, Columbia University Irving Medical Center, New York, NY
| | - Jordan S Orange
- Department of Pediatrics, Columbia University Irving Medical Center, New York, NY
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Kumar Jindal A, Sil A, Aggarwal R, Tyagi R, Mondal S, Singh A, Barman P, Chawla S, Loganathan SK, Gupta K, Vinay K, Mahajan R, Saikia B, Kaur G, Sharma R, Saka R, Bhatia A, Sankhyan N, Pandiarajan V, Pilania R, Dhaliwal M, Sharma S, Vyas S, Suri D, Rawat A, Singh S. Clinical, immunological and molecular profiles of DOCK8 deficiency in six patients from a tertiary care centre in North India. Clin Exp Dermatol 2024; 49:226-234. [PMID: 37815217 DOI: 10.1093/ced/llad345] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2023] [Revised: 09/23/2023] [Accepted: 10/03/2023] [Indexed: 10/11/2023]
Abstract
BACKGROUND Dedicator of cytokinesis protein 8 (DOCK8) deficiency is an autosomal recessive form of combined immunodeficiency. This rare disorder is characterized by an increased predisposition to allergy, autoimmunity and malignancies. OBJECTIVES To analyse clinical, immunological and molecular profiles of patients with DOCK8 deficiency. METHODS Clinic records of all patients attending the primary immunodeficiency clinic from 2018 to 2021 were reviewed. Six patients from five families were found to have DOCK8 deficiency. RESULTS Median age at diagnosis was 7.5 years (range 2-13), with a male/female ratio of 5 : 1. Among the six patients, recurrent eczematous skin lesions were the predominant cutaneous manifestation, present in five patients (83%). Warts and molluscum contagiosum were evident in two patients (33%) and one patient (16%), respectively. Two patients had recalcitrant prurigo nodularis lesions and two had epidermodysplasia verruciformis-like lesions. Food allergies and asthma were reported by one patient each. Of the six patients, recurrent sinopulmonary infections were detected in five (83%). Epstein-Barr virus-driven non-Hodgkin lymphoma with liver metastases was the only case of malignancy, in a 4-year-old boy. IgE was elevated in all patients. Lymphopenia and eosinophilia were observed in three patients (50%) and five patients (83.3%), respectively. Genetic analysis showed DOCK8 pathogenic variants in all patients: homozygous deletion mutations in two patients, compound heterozygous deletion mutations in one, and homozygous nonsense mutations in two. A novel pathogenic homozygous missense variant in the DOCK8 gene was identified in one patient. CONCLUSIONS DOCK8 deficiency should be considered as a possibility in any patient with early onset eczema, cutaneous viral infections and increased predisposition to allergy, autoimmunity and malignancy.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Anmol Bhatia
- Department of Radiodiagnosis and Imaging, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Naveen Sankhyan
- Paediatric Neurology Unit, Department of Paediatrics, Advanced Paediatrics Centre, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | | | | | | | | | - Sameer Vyas
- Department of Radiodiagnosis and Imaging, Postgraduate Institute of Medical Education and Research, Chandigarh, India
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Biglari S, Moghaddam AS, Tabatabaiefar MA, Sherkat R, Youssefian L, Saeidian AH, Vahidnezhad F, Tsoi LC, Gudjonsson JE, Hakonarson H, Casanova JL, Béziat V, Jouanguy E, Vahidnezhad H. Monogenic etiologies of persistent human papillomavirus infections: A comprehensive systematic review. Genet Med 2024; 26:101028. [PMID: 37978863 PMCID: PMC10922824 DOI: 10.1016/j.gim.2023.101028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2023] [Revised: 11/06/2023] [Accepted: 11/08/2023] [Indexed: 11/19/2023] Open
Abstract
PURPOSE Persistent human papillomavirus infection (PHPVI) causes cutaneous, anogenital, and mucosal warts. Cutaneous warts include common warts, Treeman syndrome, and epidermodysplasia verruciformis, among others. Although more reports of monogenic predisposition to PHPVI have been published with the development of genomic technologies, genetic testing is rarely incorporated into clinical assessments. To encourage broader molecular testing, we compiled a list of the various monogenic etiologies of PHPVI. METHODS We conducted a systematic literature review to determine the genetic, immunological, and clinical characteristics of patients with PHPVI. RESULTS The inclusion criteria were met by 261 of 40,687 articles. In 842 patients, 83 PHPVI-associated genes were identified, including 42, 6, and 35 genes with strong, moderate, and weak evidence for causality, respectively. Autosomal recessive inheritance predominated (69%). PHPVI onset age was 10.8 ± 8.6 years, with an interquartile range of 5 to 14 years. GATA2,IL2RG,DOCK8, CXCR4, TMC6, TMC8, and CIB1 are the most frequently reported PHPVI-associated genes with strong causality. Most genes (74 out of 83) belong to a catalog of 485 inborn errors of immunity-related genes, and 40 genes (54%) are represented in the nonsyndromic and syndromic combined immunodeficiency categories. CONCLUSION PHPVI has at least 83 monogenic etiologies and a genetic diagnosis is essential for effective management.
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Affiliation(s)
- Sajjad Biglari
- Department of Genetics and Molecular Biology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran; Division of Human Genetics, Children's Hospital of Philadelphia, Philadelphia, PA; Center for Applied Genomics, Children's Hospital of Philadelphia, Philadelphia, PA
| | | | - Mohammad Amin Tabatabaiefar
- Department of Genetics and Molecular Biology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Roya Sherkat
- Immunodeficiency Diseases Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Leila Youssefian
- Department of Pathology and Laboratory Medicine, UCLA Clinical Genomics Center, David Geffen School of Medicine at UCLA, Los Angeles, CA
| | - Amir Hossein Saeidian
- Division of Human Genetics, Children's Hospital of Philadelphia, Philadelphia, PA; Center for Applied Genomics, Children's Hospital of Philadelphia, Philadelphia, PA
| | | | - Lam C Tsoi
- Department of Dermatology, University of Michigan, Ann Arbor, MI
| | | | - Hakon Hakonarson
- Division of Human Genetics, Children's Hospital of Philadelphia, Philadelphia, PA; Center for Applied Genomics, Children's Hospital of Philadelphia, Philadelphia, PA; Department of Pediatrics, University of Pennsylvania, Perelman School of Medicine, Philadelphia, PA
| | - Jean-Laurent Casanova
- St Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, Rockefeller University, New York, NY; Laboratory of Human Genetics of Infectious Diseases, Necker Branch, Inserm U1163, Necker Hospital for Sick Children, Paris, France; Imagine Institute, Paris Cité University, France; Department of Pediatrics, Necker Hospital for Sick Children, Paris, France, EU; Howard Hughes Medical Institute, Chevy Chase, MD
| | - Vivien Béziat
- St Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, Rockefeller University, New York, NY; Laboratory of Human Genetics of Infectious Diseases, Necker Branch, Inserm U1163, Necker Hospital for Sick Children, Paris, France; Imagine Institute, Paris Cité University, France
| | - Emmanuelle Jouanguy
- St Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, Rockefeller University, New York, NY; Laboratory of Human Genetics of Infectious Diseases, Necker Branch, Inserm U1163, Necker Hospital for Sick Children, Paris, France; Imagine Institute, Paris Cité University, France
| | - Hassan Vahidnezhad
- Division of Human Genetics, Children's Hospital of Philadelphia, Philadelphia, PA; Center for Applied Genomics, Children's Hospital of Philadelphia, Philadelphia, PA; Department of Pediatrics, University of Pennsylvania, Perelman School of Medicine, Philadelphia, PA.
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Liquidano-Perez E, Maza-Ramos G, Perez Arias BA, Lugo Reyes SO, Barragan Arevalo T, Solorzano-Morales SA, Venegas Montoya E, Staines-Boone AT, Guzmán Cotaya R, Okada S, Picard C, Patin E, Ramirez-Uribe N, Bustamante-Ogando JC, Scheffler-Mendoza SC, Yamazaki-Nakashimada MA, Saez-de-Ocariz M, Espinosa Padilla SE, Gonzalez-Serrano ME. Clinical, immunological, and genetic description of a Mexican cohort of patients with DOCK8 deficiency. Pediatr Allergy Immunol 2024; 35:e14073. [PMID: 38351896 DOI: 10.1111/pai.14073] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Revised: 12/16/2023] [Accepted: 01/07/2024] [Indexed: 02/16/2024]
Abstract
PURPOSE We aimed to describe the clinical, immunological, and genetic features of patients with DOCK8 deficiency (DOCK8-Def) in a tertiary care center for children. METHODS Retrospective chart review of patients' clinical, immunological, and genetic characteristics with DOCK8-Def. Genetic analysis was performed with targeted- or whole-exome sequencing; we also assessed DOCK8 protein expression and a lymphoproliferation assay and analyzed survival by the Kaplan-Meier method. RESULTS We described 11 patients from 8 unrelated kindreds. The median age at symptoms' onset was 10 months (range 1-54 months). The median follow-up time was 53.4 months (4.8-118.8). All patients presented eczema and recurrent sinopulmonary and cutaneous infections. Besides those symptoms, the most frequent manifestations were bronchiectases (8/11), food allergies (6/11), and severe infections (6/11). Infrequent characteristics were detection of CMV in bronchial lavage, C. parvum-driven sclerosing cholangitis, Takayasu vasculitis, neurological syndromes, pulmonary tuberculosis, and lymphomatoid granulomatosis. CONCLUSION DOCK8-Def has a broad spectrum of manifestations, including allergy, autoimmunity, inflammation, infection, and cancer. The hallmark of this inborn error of immunity is IEI-associated eczema with eosinophilia and increased IgE. Here, we report six new mutations causing human DOCK8 deficiency and symptoms previously unrecognized to occur in DOCK8-Def. Therefore, an early diagnosis of DOCK8-Def is essential to facilitate an adequate treatment such as HSCT.
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Affiliation(s)
| | | | | | | | - Tania Barragan Arevalo
- Department of Genetics, Institute of Ophthalmology "Conde de Valenciana", Mexico City, Mexico
| | | | - Edna Venegas Montoya
- Highly Specialized Medical Unit 25, Mexican Social Security Institute, Torreón, Mexico
| | | | | | | | | | | | - Nideshda Ramirez-Uribe
- Hematopoietic Stem Cell Transplantation Unit, National Institute of Pediatrics, Mexico City, Mexico
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Letafati A, Ardekani OS, Naderisemiromi M, Norouzi M, Shafiei M, Nik S, Mozhgani SH. Unraveling the dynamic mechanisms of natural killer cells in viral infections: insights and implications. Virol J 2024; 21:18. [PMID: 38216935 PMCID: PMC10785350 DOI: 10.1186/s12985-024-02287-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2023] [Accepted: 01/04/2024] [Indexed: 01/14/2024] Open
Abstract
Viruses pose a constant threat to human well-being, necessitating the immune system to develop robust defenses. Natural killer (NK) cells, which play a crucial role in the immune system, have become recognized as vital participants in protecting the body against viral infections. These remarkable innate immune cells possess the unique ability to directly recognize and eliminate infected cells, thereby contributing to the early control and containment of viral pathogens. However, recent research has uncovered an intriguing phenomenon: the alteration of NK cells during viral infections. In addition to their well-established role in antiviral defense, NK cells undergo dynamic changes in their phenotype, function, and regulatory mechanisms upon encountering viral pathogens. These alterations can significantly impact the effectiveness of NK cell responses during viral infections. This review explores the multifaceted role of NK cells in antiviral immunity, highlighting their conventional effector functions as well as the emerging concept of NK cell alteration in the context of viral infections. Understanding the intricate interplay between NK cells and viral infections is crucial for advancing our knowledge of antiviral immune responses and could offer valuable information for the creation of innovative therapeutic approaches to combat viral diseases.
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Affiliation(s)
- Arash Letafati
- Department of Virology, Faculty of Public Health, Tehran University of Medical Sciences, Tehran, Iran
- Research Center for Clinical Virology, Tehran University of Medical Science, Tehran, Iran
| | - Omid Salahi Ardekani
- Research Center for Clinical Virology, Tehran University of Medical Science, Tehran, Iran
| | - Mina Naderisemiromi
- Department of Immunology, Faculty of Medicine and Health, The University of Manchester, Manchester, UK
| | - Mehdi Norouzi
- Department of Virology, Faculty of Public Health, Tehran University of Medical Sciences, Tehran, Iran
- Research Center for Clinical Virology, Tehran University of Medical Science, Tehran, Iran
| | | | - Soheil Nik
- School of Medicine, Alborz University of Medical Sciences, Karaj, Alborz, Iran
| | - Sayed-Hamidreza Mozhgani
- Research Center for Clinical Virology, Tehran University of Medical Science, Tehran, Iran.
- Department of Microbiology and Virology, School of Medicine, Alborz University of Medical Sciences, Karaj, Iran.
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Infections in Inborn Errors of Immunity with Combined Immune Deficiency: A Review. Pathogens 2023; 12:pathogens12020272. [PMID: 36839544 PMCID: PMC9958715 DOI: 10.3390/pathogens12020272] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2022] [Revised: 01/13/2023] [Accepted: 02/04/2023] [Indexed: 02/10/2023] Open
Abstract
Enhanced susceptibility to microbes, often resulting in severe, intractable and frequent infections due to usually innocuous organisms at uncommon sites, is the most striking feature in individuals with an inborn error of immunity. In this narrative review, based on the International Union of Immunological Societies' 2022 (IUIS 2022) Update on phenotypic classification of human inborn errors of immunity, the focus is on commonly encountered Combined Immunodeficiency Disorders (CIDs) with susceptibility to infections. Combined immune deficiency disorders are usually commensurate with survival beyond infancy unlike Severe Combined Immune Deficiency (SCID) and are often associated with clinical features of a syndromic nature. Defective humoral and cellular immune responses result in susceptibility to a broad range of microbial infections. Although disease onset is usually in early childhood, mild defects may present in late childhood or even in adulthood. A precise diagnosis is imperative not only for determining management strategies, but also for providing accurate genetic counseling, including prenatal diagnosis, and also in deciding empiric treatment of infections upfront before investigation reports are available.
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Cohn IS, Henrickson SE, Striepen B, Hunter CA. Immunity to Cryptosporidium: Lessons from Acquired and Primary Immunodeficiencies. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2022; 209:2261-2268. [PMID: 36469846 PMCID: PMC9731348 DOI: 10.4049/jimmunol.2200512] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/14/2022] [Accepted: 08/30/2022] [Indexed: 01/04/2023]
Abstract
Cryptosporidium is a ubiquitous protozoan parasite that infects gut epithelial cells and causes self-limited diarrhea in immunocompetent individuals. However, in immunocompromised hosts with global defects in T cell function, this infection can result in chronic, life-threatening disease. In addition, there is a subset of individuals with primary immunodeficiencies associated with increased risk for life-threatening cryptosporidiosis. These patients highlight MHC class II expression, CD40-CD40L interactions, NF-κB signaling, and IL-21 as key host factors required for resistance to this enteric pathogen. Understanding which immune deficiencies do (or do not) lead to increased risk for severe Cryptosporidium may reveal mechanisms of parasite restriction and aid in the identification of novel strategies to manage this common pathogen in immunocompetent and deficient hosts.
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Affiliation(s)
- Ian S. Cohn
- Department of Pathobiology, School of Veterinary Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Sarah E. Henrickson
- Institute for Immunology, University of Pennsylvania, Philadelphia, PA, USA
- Division of Allergy Immunology, Department of Pediatrics, The Children’s Hospital of Philadelphia, Philadelphia, PA, USA
| | - Boris Striepen
- Department of Pathobiology, School of Veterinary Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Christopher A. Hunter
- Department of Pathobiology, School of Veterinary Medicine, University of Pennsylvania, Philadelphia, PA, USA
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Zhang L, Cao Y, Dai X, Zhang X. Deciphering the role of DOCK8 in tumorigenesis by regulating immunity and the application of nanotechnology in DOCK8 deficiency therapy. Front Pharmacol 2022; 13:1065029. [PMID: 36386145 PMCID: PMC9664064 DOI: 10.3389/fphar.2022.1065029] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2022] [Accepted: 10/20/2022] [Indexed: 11/06/2022] Open
Abstract
The dedicator of cytokinesis 8 (DOCK8) immunodeficiency syndrome is a severe immune disorder and characterized by serum IgE levels elevation, fungal and viral infections, dermatitis and food allergies. It was well known that DOCK8 is crucial for the survival and function of multiple immune related cells. However, the critical role of DOCK8 on tumorigenesis through regulating immunity is poorly investigated. Accumulating evidences indicated that DOCK8 could affect tumorigenesis by regulating the immunity through immune cells, including NK cells, T cells, B cells and dendritic cells. Here, we summarized and discussed the critical role of DOCK8 in cytoskeleton reconstruction, CD4+ T cell differentiation, immune synaptic formation, tumor immune infiltration, tumor immune surveillance and tumorigenesis. Furthermore, the potential roles of nanotechnology in improving the hematopoietic stem cell transplantation-based therapy for DOCK8 deficiency diseases are also highlighted and discussed.
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Affiliation(s)
- Longhui Zhang
- Key Laboratory of Organ Regeneration and Transplantation of Ministry of Education, First Hospital of Jilin University, Changchun, China
- National-Local Joint Engineering Laboratory of Animal Models for Human Disease, First Hospital of Jilin University, Changchun, China
| | - Yang Cao
- Clinical Laboratory, The Eastern Division of the First Hospital, Jilin University, Changchun, China
| | - Xiangpeng Dai
- Key Laboratory of Organ Regeneration and Transplantation of Ministry of Education, First Hospital of Jilin University, Changchun, China
- National-Local Joint Engineering Laboratory of Animal Models for Human Disease, First Hospital of Jilin University, Changchun, China
| | - Xiaoling Zhang
- Key Laboratory of Organ Regeneration and Transplantation of Ministry of Education, First Hospital of Jilin University, Changchun, China
- National-Local Joint Engineering Laboratory of Animal Models for Human Disease, First Hospital of Jilin University, Changchun, China
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9
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Ravendran S, Hernández SS, König S, Bak RO. CRISPR/Cas-Based Gene Editing Strategies for DOCK8 Immunodeficiency Syndrome. Front Genome Ed 2022; 4:793010. [PMID: 35373187 PMCID: PMC8969908 DOI: 10.3389/fgeed.2022.793010] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Accepted: 02/14/2022] [Indexed: 12/17/2022] Open
Abstract
Defects in the DOCK8 gene causes combined immunodeficiency termed DOCK8 immunodeficiency syndrome (DIDS). DIDS previously belonged to the disease category of autosomal recessive hyper IgE syndrome (AR-HIES) but is now classified as a combined immunodeficiency (CID). This genetic disorder induces early onset of susceptibility to severe recurrent viral and bacterial infections, atopic diseases and malignancy resulting in high morbidity and mortality. This pathological state arises from impairment of actin polymerization and cytoskeletal rearrangement, which induces improper immune cell migration-, survival-, and effector functions. Owing to the severity of the disease, early allogenic hematopoietic stem cell transplantation is recommended even though it is associated with risk of unintended adverse effects, the need for compatible donors, and high expenses. So far, no alternative therapies have been developed, but the monogenic recessive nature of the disease suggests that gene therapy may be applied. The advent of the CRISPR/Cas gene editing system heralds a new era of possibilities in precision gene therapy, and positive results from clinical trials have already suggested that the tool may provide definitive cures for several genetic disorders. Here, we discuss the potential application of different CRISPR/Cas-mediated genetic therapies to correct the DOCK8 gene. Our findings encourage the pursuit of CRISPR/Cas-based gene editing approaches, which may constitute more precise, affordable, and low-risk definitive treatment options for DOCK8 deficiency.
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10
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Hemophagocytic Lymphohistiocytosis Gene Variants in Multisystem Inflammatory Syndrome in Children. BIOLOGY 2022; 11:biology11030417. [PMID: 35336791 PMCID: PMC8945334 DOI: 10.3390/biology11030417] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Revised: 03/02/2022] [Accepted: 03/07/2022] [Indexed: 12/20/2022]
Abstract
Simple Summary Children with a COVID-19 infection are at risk of developing a novel syndrome called multisystem inflammatory syndrome in children (MIS-C). This disease state is characterized by a high level of inflammation. It is unclear why only some children infected with SARS-CoV-2 later develop MIS-C. There may be genetic risk factors for MIS-C development, but none have previously been reported. We report genetic findings in a group of children with MIS-C. Abstract Multisystem inflammatory syndrome in children (MIS-C) affects few children previously infected with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). In 2020, 45 children admitted to our hospital for MIS-C underwent genetic screening with a commercial 109-immune-gene panel. Thirty-nine children were diagnosed with MIS-C, and 25.4% of the 39 MIS-C patients harbored rare heterozygous missense mutations either in primary hemophagocytic lymphohistiocytosis (pHLH) genes (LYST, STXBP2, PRF1, UNC13D, AP3B1) or the HLH-associated gene DOCK8 (four variants). We demonstrate that foamy virus introduction of cDNA for the four DOCK8 variants into human NK-92 natural killer (NK) cells led to decreased CD107a expression (degranulation) and decreased NK cell lytic function in vitro for each variant. Heterozygous carriers of missense mutations in pHLH genes and DOCK8 may serve as risk factors for development of MIS-C among children previously infected with SARS-CoV-2.
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11
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Ben-Shmuel A, Sabag B, Puthenveetil A, Biber G, Levy M, Jubany T, Awwad F, Roy RK, Joseph N, Matalon O, Kivelevitz J, Barda-Saad M. Inhibition of SHP-1 activity by PKC-θ regulates NK cell activation threshold and cytotoxicity. eLife 2022; 11:73282. [PMID: 35258455 PMCID: PMC8903836 DOI: 10.7554/elife.73282] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2021] [Accepted: 02/23/2022] [Indexed: 12/26/2022] Open
Abstract
Natural killer (NK) cells play a crucial role in immunity, killing virally infected and cancerous cells. The balance of signals initiated upon engagement of activating and inhibitory NK receptors with cognate ligands determines killing or tolerance. Nevertheless, the molecular mechanisms regulating rapid NK cell discrimination between healthy and malignant cells in a heterogeneous tissue environment are incompletely understood. The SHP-1 tyrosine phosphatase is the central negative NK cell regulator that dephosphorylates key activating signaling proteins. Though the mechanism by which SHP-1 mediates NK cell inhibition has been partially elucidated, the pathways by which SHP-1 is itself regulated remain unclear. Here, we show that phosphorylation of SHP-1 in NK cells on the S591 residue by PKC-θ promotes the inhibited SHP-1 ‘folded’ state. Silencing PKC-θ maintains SHP-1 in the active conformation, reduces NK cell activation and cytotoxicity, and promotes tumor progression in vivo. This study reveals a molecular pathway that sustains the NK cell activation threshold through suppression of SHP-1 activity.
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Affiliation(s)
- Aviad Ben-Shmuel
- The Mina and Everard Goodman Faculty of Life Sciences, Bar-Ilan University, Ramat Gan, Israel
| | - Batel Sabag
- The Mina and Everard Goodman Faculty of Life Sciences, Bar-Ilan University, Ramat Gan, Israel
| | - Abhishek Puthenveetil
- The Mina and Everard Goodman Faculty of Life Sciences, Bar-Ilan University, Ramat Gan, Israel
| | - Guy Biber
- The Mina and Everard Goodman Faculty of Life Sciences, Bar-Ilan University, Ramat Gan, Israel
| | - Moria Levy
- The Mina and Everard Goodman Faculty of Life Sciences, Bar-Ilan University, Ramat Gan, Israel
| | - Tammir Jubany
- The Mina and Everard Goodman Faculty of Life Sciences, Bar-Ilan University, Ramat Gan, Israel
| | - Fatima Awwad
- The Mina and Everard Goodman Faculty of Life Sciences, Bar-Ilan University, Ramat Gan, Israel
| | - Roshan Kumar Roy
- The Mina and Everard Goodman Faculty of Life Sciences, Bar-Ilan University, Ramat Gan, Israel
| | - Noah Joseph
- The Mina and Everard Goodman Faculty of Life Sciences, Bar-Ilan University, Ramat Gan, Israel
| | - Omri Matalon
- The Mina and Everard Goodman Faculty of Life Sciences, Bar-Ilan University, Ramat Gan, Israel
| | - Jessica Kivelevitz
- The Mina and Everard Goodman Faculty of Life Sciences, Bar-Ilan University, Ramat Gan, Israel
| | - Mira Barda-Saad
- The Mina and Everard Goodman Faculty of Life Sciences, Bar-Ilan University, Ramat Gan, Israel
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12
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Satooka H, Matsui M, Ichioka S, Nakamura Y, Hirata T. The ERM protein moesin regulates natural killer cell homeostasis in vivo. Cell Immunol 2021; 371:104456. [PMID: 34798556 DOI: 10.1016/j.cellimm.2021.104456] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2021] [Revised: 10/15/2021] [Accepted: 11/04/2021] [Indexed: 12/14/2022]
Abstract
Moesin is a member of the ezrin-radixin-moesin (ERM) family of proteins that link plasma membrane proteins with actin filaments in the cell cortex. Hemizygous mutations in the X-linked moesin gene are associated with primary immunodeficiency with T and B cell lymphopenia, which also affects natural killer (NK) cells in most cases. We previously showed that moesin deficiency in mice substantially affects lymphocyte homeostasis, but its impact on NK cells remains unexplored. Here, we found that in moesin-deficient mice, NK cells were decreased in the peripheral blood and bone marrow but increased in the spleen. Analysis of female heterozygous mice showed a selective advantage for moesin-expressing NK cells in the blood. Moesin-deficient NK cells exhibited increased cell death and impaired signaling in response to IL-15, suggesting that moesin regulates NK cell survival through IL-15-mediated signaling. Our findings thus identify moesin as an NK cell homeostasis regulator in vivo.
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Affiliation(s)
- Hiroki Satooka
- Department of Fundamental Biosciences, Shiga University of Medical Science, Otsu, Shiga 520-2192, Japan.
| | - Makoto Matsui
- Department of Fundamental Biosciences, Shiga University of Medical Science, Otsu, Shiga 520-2192, Japan.
| | - Satoko Ichioka
- Department of Fundamental Biosciences, Shiga University of Medical Science, Otsu, Shiga 520-2192, Japan.
| | - Yuzuki Nakamura
- Department of Fundamental Biosciences, Shiga University of Medical Science, Otsu, Shiga 520-2192, Japan.
| | - Takako Hirata
- Department of Fundamental Biosciences, Shiga University of Medical Science, Otsu, Shiga 520-2192, Japan.
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13
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Abstract
Ras homology (RHO) GTPases are signalling proteins that have crucial roles in triggering multiple immune functions. Through their interactions with a broad range of effectors and kinases, they regulate cytoskeletal dynamics, cell polarity and the trafficking and proliferation of immune cells. The activity and localization of RHO GTPases are highly controlled by classical families of regulators that share consensus motifs. In this Review, we describe the recent discovery of atypical modulators and partners of RHO GTPases, which bring an additional layer of regulation and plasticity to the control of RHO GTPase activities in the immune system. Furthermore, the development of large-scale genetic screening has now enabled researchers to identify dysregulation of RHO GTPase signalling pathways as a cause of many immune system-related diseases. We discuss the mutations that have been identified in RHO GTPases and their signalling circuits in patients with rare diseases. The discoveries of new RHO GTPase partners and genetic mutations in RHO GTPase signalling hubs have uncovered unsuspected layers of crosstalk with other signalling pathways and may provide novel therapeutic opportunities for patients affected by complex immune or broader syndromes.
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14
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German Y, Vulliard L, Kamnev A, Pfajfer L, Huemer J, Mautner AK, Rubio A, Kalinichenko A, Boztug K, Ferrand A, Menche J, Dupré L. Morphological profiling of human T and NK lymphocytes by high-content cell imaging. Cell Rep 2021; 36:109318. [PMID: 34233185 DOI: 10.1016/j.celrep.2021.109318] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2020] [Revised: 02/25/2021] [Accepted: 06/07/2021] [Indexed: 01/21/2023] Open
Abstract
The immunological synapse is a complex structure that decodes stimulatory signals into adapted lymphocyte responses. It is a unique window to monitor lymphocyte activity because of development of systematic quantitative approaches. Here we demonstrate the applicability of high-content imaging to human T and natural killer (NK) cells and develop a pipeline for unbiased analysis of high-definition morphological profiles. Our approach reveals how distinct facets of actin cytoskeleton remodeling shape immunological synapse architecture and affect lytic granule positioning. Morphological profiling of CD8+ T cells from immunodeficient individuals allows discrimination of the roles of the ARP2/3 subunit ARPC1B and the ARP2/3 activator Wiskott-Aldrich syndrome protein (WASP) in immunological synapse assembly. Single-cell analysis further identifies uncoupling of lytic granules and F-actin radial distribution in ARPC1B-deficient lymphocytes. Our study provides a foundation for development of morphological profiling as a scalable approach to monitor primary lymphocyte responsiveness and to identify complex aspects of lymphocyte micro-architecture.
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Affiliation(s)
- Yolla German
- Toulouse Institute for Infectious and Inflammatory Diseases (INFINITy), INSERM UMR1291, CNRS UMR5051, Toulouse III Paul Sabatier University, Toulouse, France; Ludwig Boltzmann Institute for Rare and Undiagnosed Diseases (LBI-RUD), Vienna, Austria
| | - Loan Vulliard
- CeMM Research Center for Molecular Medicine of the Austrian Academy of Sciences, Vienna, Austria; Department of Structural and Computational Biology, Max Perutz Labs, University of Vienna, Vienna, Austria
| | - Anton Kamnev
- Ludwig Boltzmann Institute for Rare and Undiagnosed Diseases (LBI-RUD), Vienna, Austria; Department of Dermatology, Medical University of Vienna, Vienna, Austria
| | - Laurène Pfajfer
- Toulouse Institute for Infectious and Inflammatory Diseases (INFINITy), INSERM UMR1291, CNRS UMR5051, Toulouse III Paul Sabatier University, Toulouse, France; Ludwig Boltzmann Institute for Rare and Undiagnosed Diseases (LBI-RUD), Vienna, Austria
| | - Jakob Huemer
- Ludwig Boltzmann Institute for Rare and Undiagnosed Diseases (LBI-RUD), Vienna, Austria; St. Anna Children's Cancer Research Institute (CCRI), Vienna, Austria
| | - Anna-Katharina Mautner
- Ludwig Boltzmann Institute for Rare and Undiagnosed Diseases (LBI-RUD), Vienna, Austria; Department of Dermatology, Medical University of Vienna, Vienna, Austria
| | - Aude Rubio
- IRSD, Université de Toulouse, INSERM, INRA, ENVT, UPS, 31024 Toulouse, France
| | - Artem Kalinichenko
- Ludwig Boltzmann Institute for Rare and Undiagnosed Diseases (LBI-RUD), Vienna, Austria; St. Anna Children's Cancer Research Institute (CCRI), Vienna, Austria
| | - Kaan Boztug
- Ludwig Boltzmann Institute for Rare and Undiagnosed Diseases (LBI-RUD), Vienna, Austria; CeMM Research Center for Molecular Medicine of the Austrian Academy of Sciences, Vienna, Austria; St. Anna Children's Cancer Research Institute (CCRI), Vienna, Austria; Department of Pediatrics and Adolescent Medicine, Medical University of Vienna, Vienna, Austria; St. Anna Children's Hospital, Department of Pediatrics and Adolescent Medicine, Medical University of Vienna, Vienna, Austria
| | - Audrey Ferrand
- IRSD, Université de Toulouse, INSERM, INRA, ENVT, UPS, 31024 Toulouse, France
| | - Jörg Menche
- CeMM Research Center for Molecular Medicine of the Austrian Academy of Sciences, Vienna, Austria; Department of Structural and Computational Biology, Max Perutz Labs, University of Vienna, Vienna, Austria; Faculty of Mathematics, University of Vienna, Vienna, Austria
| | - Loïc Dupré
- Toulouse Institute for Infectious and Inflammatory Diseases (INFINITy), INSERM UMR1291, CNRS UMR5051, Toulouse III Paul Sabatier University, Toulouse, France; Ludwig Boltzmann Institute for Rare and Undiagnosed Diseases (LBI-RUD), Vienna, Austria; Department of Dermatology, Medical University of Vienna, Vienna, Austria.
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15
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Ben-Shmuel A, Sabag B, Biber G, Barda-Saad M. The Role of the Cytoskeleton in Regulating the Natural Killer Cell Immune Response in Health and Disease: From Signaling Dynamics to Function. Front Cell Dev Biol 2021; 9:609532. [PMID: 33598461 PMCID: PMC7882700 DOI: 10.3389/fcell.2021.609532] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2020] [Accepted: 01/11/2021] [Indexed: 01/13/2023] Open
Abstract
Natural killer (NK) cells are innate lymphoid cells, which play key roles in elimination of virally infected and malignant cells. The balance between activating and inhibitory signals derived from NK surface receptors govern the NK cell immune response. The cytoskeleton facilitates most NK cell effector functions, such as motility, infiltration, conjugation with target cells, immunological synapse assembly, and cytotoxicity. Though many studies have characterized signaling pathways that promote actin reorganization in immune cells, it is not completely clear how particular cytoskeletal architectures at the immunological synapse promote effector functions, and how cytoskeletal dynamics impact downstream signaling pathways and activation. Moreover, pioneering studies employing advanced imaging techniques have only begun to uncover the architectural complexity dictating the NK cell activation threshold; it is becoming clear that a distinct organization of the cytoskeleton and signaling receptors at the NK immunological synapse plays a decisive role in activation and tolerance. Here, we review the roles of the actin cytoskeleton in NK cells. We focus on how actin dynamics impact cytolytic granule secretion, NK cell motility, and NK cell infiltration through tissues into inflammatory sites. We will also describe the additional cytoskeletal components, non-muscle Myosin II and microtubules that play pivotal roles in NK cell activity. Furthermore, special emphasis will be placed on the role of the cytoskeleton in assembly of immunological synapses, and how mutations or downregulation of cytoskeletal accessory proteins impact NK cell function in health and disease.
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Affiliation(s)
- Aviad Ben-Shmuel
- Laboratory of Molecular and Applied Immunology, The Mina and Everard Goodman Faculty of Life Sciences, Bar-Ilan University, Ramat Gan, Israel
| | - Batel Sabag
- Laboratory of Molecular and Applied Immunology, The Mina and Everard Goodman Faculty of Life Sciences, Bar-Ilan University, Ramat Gan, Israel
| | - Guy Biber
- Laboratory of Molecular and Applied Immunology, The Mina and Everard Goodman Faculty of Life Sciences, Bar-Ilan University, Ramat Gan, Israel
| | - Mira Barda-Saad
- Laboratory of Molecular and Applied Immunology, The Mina and Everard Goodman Faculty of Life Sciences, Bar-Ilan University, Ramat Gan, Israel
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16
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Pillay BA, Fusaro M, Gray PE, Statham AL, Burnett L, Bezrodnik L, Kane A, Tong W, Abdo C, Winter S, Chevalier S, Levy R, Masson C, Schmitt Y, Bole C, Malphettes M, Macintyre E, De Villartay JP, Ziegler JB, Smart JM, Peake J, Aghamohammadi A, Hammarström L, Abolhassani H, Picard C, Fischer A, Latour S, Neven B, Tangye SG, Ma CS. Somatic reversion of pathogenic DOCK8 variants alters lymphocyte differentiation and function to effectively cure DOCK8 deficiency. J Clin Invest 2021; 131:142434. [PMID: 33290277 DOI: 10.1172/jci142434] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Accepted: 12/01/2020] [Indexed: 01/10/2023] Open
Abstract
Inborn errors of immunity cause monogenic immune dysregulatory conditions such as severe and recurrent pathogen infection, inflammation, allergy, and malignancy. Somatic reversion refers to the spontaneous repair of a pathogenic germline genetic variant and has been reported to occur in a number of inborn errors of immunity, with a range of impacts on clinical outcomes of these conditions. DOCK8 deficiency due to biallelic inactivating mutations in DOCK8 causes a combined immunodeficiency characterized by severe bacterial, viral, and fungal infections, as well as allergic disease and some cancers. Here, we describe the clinical, genetic, and cellular features of 3 patients with biallelic DOCK8 variants who, following somatic reversion in multiple lymphocyte subsets, exhibited improved clinical features, including complete resolution of infection and allergic disease, and cure over time. Acquisition of DOCK8 expression restored defective lymphocyte signalling, survival and proliferation, as well as CD8+ T cell cytotoxicity, CD4+ T cell cytokine production, and memory B cell generation compared with typical DOCK8-deficient patients. Our temporal analysis of DOCK8-revertant and DOCK8-deficient cells within the same individual established mechanisms of clinical improvement in these patients following somatic reversion and revealed further nonredundant functions of DOCK8 in human lymphocyte biology. Last, our findings have significant implications for future therapeutic options for the treatment of DOCK8 deficiency.
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Affiliation(s)
- Bethany A Pillay
- Garvan Institute of Medical Research, Sydney, New South Wales, Australia.,St Vincent's Clinical School, Faculty of Medicine, University of New South Wales (UNSW) Sydney, New South Wales, Australia
| | - Mathieu Fusaro
- Paris University, Imagine Institute, Université de Paris, Paris, France.,Study Center for Primary Immunodeficiencies, Assistance Publique-Hôpitaux de Paris (AP-HP), Paris, France.,Laboratory of Lymphocyte Activation and Susceptibility to EBV infection, INSERM UMR 1163, Imagine Institut, Paris, France
| | - Paul E Gray
- Department of Immunology and Infectious Diseases, Sydney Children's Hospital, Sydney, Australia.,School of Women's and Children's Health, UNSW Sydney, New South Wales, Australia.,Clinical Immunogenomics Research Consortia of Australasia, Sydney, New South Wales, Australia
| | - Aaron L Statham
- Garvan Institute of Medical Research, Sydney, New South Wales, Australia
| | - Leslie Burnett
- Garvan Institute of Medical Research, Sydney, New South Wales, Australia.,St Vincent's Clinical School, Faculty of Medicine, University of New South Wales (UNSW) Sydney, New South Wales, Australia.,Clinical Immunogenomics Research Consortia of Australasia, Sydney, New South Wales, Australia
| | - Liliana Bezrodnik
- Clinical Immunology Center and Immunology Unit, Ricardo Gutiérrez Children Hospital, Ciudad Autónoma de Buenos Aires, Argentina
| | - Alisa Kane
- Garvan Institute of Medical Research, Sydney, New South Wales, Australia.,St Vincent's Clinical School, Faculty of Medicine, University of New South Wales (UNSW) Sydney, New South Wales, Australia.,Clinical Immunogenomics Research Consortia of Australasia, Sydney, New South Wales, Australia.,South Western Sydney Clinical School, Faculty of Medicine, UNSW Sydney, New South Wales, Australia.,HIV and Immunology Unit, St Vincent's Hospital, Sydney, Australia.,Department of Immunology, Allergy and HIV, Liverpool Hospital, Liverpool, Sydney, Australia
| | - Winnie Tong
- Clinical Immunogenomics Research Consortia of Australasia, Sydney, New South Wales, Australia.,HIV and Immunology Unit, St Vincent's Hospital, Sydney, Australia
| | - Chrystelle Abdo
- Biological Onco-hematology, Université de Paris, AP-HP and INEM, Paris, France
| | - Sarah Winter
- Paris University, Imagine Institute, Université de Paris, Paris, France.,Laboratory of Lymphocyte Activation and Susceptibility to EBV infection, INSERM UMR 1163, Imagine Institut, Paris, France.,Pediatric Hematology and Immunology Unit, AP-HP, Paris, France
| | - Samuel Chevalier
- Study Center for Primary Immunodeficiencies, Assistance Publique-Hôpitaux de Paris (AP-HP), Paris, France
| | - Romain Levy
- Paris University, Imagine Institute, Université de Paris, Paris, France.,Pediatric Hematology and Immunology Unit, AP-HP, Paris, France.,Laboratory of Human Genetics of Infectious Diseases, Necker Branch, INSERM UMR 1163, Paris, France
| | - Cécile Masson
- Paris University, Imagine Institute, Université de Paris, Paris, France.,Imagine Institute, Bioinformatics Platform, INSERM UMR 1163, Paris, France
| | - Yohann Schmitt
- Paris University, Imagine Institute, Université de Paris, Paris, France.,Genomic Core Facility, INSERM UMR 1163, Imagine Institute, Paris, France.,INSERM US24/CNRS UMS3633, Paris, France
| | - Christine Bole
- Genomic Core Facility, INSERM UMR 1163, Imagine Institute, Paris, France
| | - Marion Malphettes
- Immuno-Pathologie Clinique, AP-HP, Hôpital Saint-Louis, Paris, France
| | - Elizabeth Macintyre
- Biological Onco-hematology, Université de Paris, AP-HP and INEM, Paris, France
| | | | - John B Ziegler
- Department of Immunology and Infectious Diseases, Sydney Children's Hospital, Sydney, Australia.,School of Women's and Children's Health, UNSW Sydney, New South Wales, Australia.,Clinical Immunogenomics Research Consortia of Australasia, Sydney, New South Wales, Australia
| | | | - Jane Peake
- Queensland Children's Hospital and University of Queensland, South Brisbane, Australia
| | - Asghar Aghamohammadi
- Research Center for Immunodeficiencies, Children's Medical Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Lennart Hammarström
- Division of Clinical Immunology, Department of Laboratory Medicine, Karolinska University Hospital Huddinge, Karolinska Institute, Stockholm, Sweden
| | - Hassan Abolhassani
- Research Center for Immunodeficiencies, Children's Medical Center, Tehran University of Medical Sciences, Tehran, Iran.,Division of Clinical Immunology, Department of Laboratory Medicine, Karolinska University Hospital Huddinge, Karolinska Institute, Stockholm, Sweden
| | - Capucine Picard
- Paris University, Imagine Institute, Université de Paris, Paris, France.,Study Center for Primary Immunodeficiencies, Assistance Publique-Hôpitaux de Paris (AP-HP), Paris, France.,Laboratory of Lymphocyte Activation and Susceptibility to EBV infection, INSERM UMR 1163, Imagine Institut, Paris, France.,Pediatric Hematology and Immunology Unit, AP-HP, Paris, France
| | - Alain Fischer
- Paris University, Imagine Institute, Université de Paris, Paris, France.,Pediatric Hematology and Immunology Unit, AP-HP, Paris, France.,Collège de France, Paris, France.,Imagine Institute, INSERM UMR 1163, Paris, France
| | - Sylvain Latour
- Laboratory of Lymphocyte Activation and Susceptibility to EBV infection, INSERM UMR 1163, Imagine Institut, Paris, France
| | - Benedicte Neven
- Pediatric Hematology and Immunology Unit, AP-HP, Paris, France.,Université de Paris, Imagine Institute Laboratory of Immunogenetics of Pediatric Autoimmune Diseases, INSERM UMR 1163, Paris, France
| | - Stuart G Tangye
- Garvan Institute of Medical Research, Sydney, New South Wales, Australia.,St Vincent's Clinical School, Faculty of Medicine, University of New South Wales (UNSW) Sydney, New South Wales, Australia.,Clinical Immunogenomics Research Consortia of Australasia, Sydney, New South Wales, Australia
| | - Cindy S Ma
- Garvan Institute of Medical Research, Sydney, New South Wales, Australia.,St Vincent's Clinical School, Faculty of Medicine, University of New South Wales (UNSW) Sydney, New South Wales, Australia.,Clinical Immunogenomics Research Consortia of Australasia, Sydney, New South Wales, Australia
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17
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Mastio J, Saeed MB, Wurzer H, Krecke M, Westerberg LS, Thomas C. Higher Incidence of B Cell Malignancies in Primary Immunodeficiencies: A Combination of Intrinsic Genomic Instability and Exocytosis Defects at the Immunological Synapse. Front Immunol 2020; 11:581119. [PMID: 33240268 PMCID: PMC7680899 DOI: 10.3389/fimmu.2020.581119] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Accepted: 10/09/2020] [Indexed: 12/11/2022] Open
Abstract
Congenital defects of the immune system called primary immunodeficiency disorders (PID) describe a group of diseases characterized by a decrease, an absence, or a malfunction of at least one part of the immune system. As a result, PID patients are more prone to develop life-threatening complications, including cancer. PID currently include over 400 different disorders, however, the variety of PID-related cancers is narrow. We discuss here reasons for this clinical phenotype. Namely, PID can lead to cell intrinsic failure to control cell transformation, failure to activate tumor surveillance by cytotoxic cells or both. As the most frequent tumors seen among PID patients stem from faulty lymphocyte development leading to leukemia and lymphoma, we focus on the extensive genomic alterations needed to create the vast diversity of B and T lymphocytes with potential to recognize any pathogen and why defects in these processes lead to malignancies in the immunodeficient environment of PID patients. In the second part of the review, we discuss PID affecting tumor surveillance and especially membrane trafficking defects caused by altered exocytosis and regulation of the actin cytoskeleton. As an impairment of these membrane trafficking pathways often results in dysfunctional effector immune cells, tumor cell immune evasion is elevated in PID. By considering new anti-cancer treatment concepts, such as transfer of genetically engineered immune cells, restoration of anti-tumor immunity in PID patients could be an approach to complement standard therapies.
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Affiliation(s)
- Jérôme Mastio
- Department of Oncology, Cytoskeleton and Cancer Progression, Luxembourg Institute of Health, Luxembourg City, Luxembourg
| | - Mezida B Saeed
- Department of Microbiology, Tumor and Cell Biology, Karolinska Institutet, Stockholm, Sweden
| | - Hannah Wurzer
- Department of Oncology, Cytoskeleton and Cancer Progression, Luxembourg Institute of Health, Luxembourg City, Luxembourg
| | - Max Krecke
- Department of Oncology, Cytoskeleton and Cancer Progression, Luxembourg Institute of Health, Luxembourg City, Luxembourg
| | - Lisa S Westerberg
- Department of Microbiology, Tumor and Cell Biology, Karolinska Institutet, Stockholm, Sweden
| | - Clément Thomas
- Department of Oncology, Cytoskeleton and Cancer Progression, Luxembourg Institute of Health, Luxembourg City, Luxembourg
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18
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Kunimura K, Sakata D, Tun X, Uruno T, Ushijima M, Katakai T, Shiraishi A, Aihara R, Kamikaseda Y, Matsubara K, Kanegane H, Sawa S, Eberl G, Ohga S, Yoshikai Y, Fukui Y. S100A4 Protein Is Essential for the Development of Mature Microfold Cells in Peyer's Patches. Cell Rep 2020; 29:2823-2834.e7. [PMID: 31775048 DOI: 10.1016/j.celrep.2019.10.091] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2019] [Revised: 09/20/2019] [Accepted: 10/22/2019] [Indexed: 01/22/2023] Open
Abstract
Intestinal microfold cells (M cells) in Peyer's patches are a special subset of epithelial cells that initiate mucosal immune responses through uptake of luminal antigens. Although the cytokine receptor activator of nuclear factor-κB ligand (RANKL) expressed on mesenchymal cells triggers differentiation into M cells, other environmental cues remain unknown. Here, we show that the metastasis-promoting protein S100A4 is required for development of mature M cells. S100A4-producing cells are a heterogenous cell population including lysozyme-expressing dendritic cells and group 3 innate lymphoid cells. We found that in the absence of DOCK8, a Cdc42 activator critical for interstitial leukocyte migration, S100A4-producing cells are reduced in the subepithelial dome, resulting in a maturation defect of M cells. While S100A4 promotes differentiation into mature M cells in organoid culture, genetic inactivation of S100a4 prevents the development of mature M cells in mice. Thus, S100A4 is a key environmental cue that regulates M cell differentiation in collaboration with RANKL.
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Affiliation(s)
- Kazufumi Kunimura
- Division of Immunogenetics, Department of Immunobiology and Neuroscience, Medical Institute of Bioregulation, Kyushu University, Fukuoka 812-8582, Japan
| | - Daiji Sakata
- Division of Immunogenetics, Department of Immunobiology and Neuroscience, Medical Institute of Bioregulation, Kyushu University, Fukuoka 812-8582, Japan; Research Center for Advanced Immunology, Kyushu University, Fukuoka 812-8582, Japan
| | - Xin Tun
- Division of Host Defence, Medical Institute of Bioregulation, Kyushu University, Fukuoka 812-8582, Japan
| | - Takehito Uruno
- Division of Immunogenetics, Department of Immunobiology and Neuroscience, Medical Institute of Bioregulation, Kyushu University, Fukuoka 812-8582, Japan; Research Center for Advanced Immunology, Kyushu University, Fukuoka 812-8582, Japan
| | - Miho Ushijima
- Division of Immunogenetics, Department of Immunobiology and Neuroscience, Medical Institute of Bioregulation, Kyushu University, Fukuoka 812-8582, Japan
| | - Tomoya Katakai
- Department of Immunology, Niigata University Graduate School of Medical and Dental Sciences, Niigata 951-8510, Japan
| | - Akira Shiraishi
- Department of Pediatrics, Graduate School of Medical Sciences, Kyushu University, Fukuoka 812-8582, Japan
| | - Ryosuke Aihara
- Division of Immunogenetics, Department of Immunobiology and Neuroscience, Medical Institute of Bioregulation, Kyushu University, Fukuoka 812-8582, Japan
| | - Yasuhisa Kamikaseda
- Division of Immunogenetics, Department of Immunobiology and Neuroscience, Medical Institute of Bioregulation, Kyushu University, Fukuoka 812-8582, Japan
| | - Keisuke Matsubara
- Division of Immunogenetics, Department of Immunobiology and Neuroscience, Medical Institute of Bioregulation, Kyushu University, Fukuoka 812-8582, Japan
| | - Hirokazu Kanegane
- Department of Child Health and Development, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo 113-8519, Japan
| | - Shinichiro Sawa
- Division of Mucosal Immunology, Research Center for Systems Immunology, Medical Institute of Bioregulation, Kyushu University, Fukuoka 812-8582, Japan
| | - Gérard Eberl
- Microenvironment & Immunity Unit, INSERM U1224, Institut Pasteur, Paris 75724, France
| | - Shouichi Ohga
- Department of Pediatrics, Graduate School of Medical Sciences, Kyushu University, Fukuoka 812-8582, Japan
| | - Yasunobu Yoshikai
- Division of Host Defence, Medical Institute of Bioregulation, Kyushu University, Fukuoka 812-8582, Japan
| | - Yoshinori Fukui
- Division of Immunogenetics, Department of Immunobiology and Neuroscience, Medical Institute of Bioregulation, Kyushu University, Fukuoka 812-8582, Japan; Research Center for Advanced Immunology, Kyushu University, Fukuoka 812-8582, Japan.
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19
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Aihara R, Kunimura K, Watanabe M, Uruno T, Yamane N, Sakurai T, Sakata D, Nishimura F, Fukui Y. DOCK8 controls survival of group 3 innate lymphoid cells in the gut through Cdc42 activation. Int Immunol 2020; 33:149-160. [PMID: 32986079 DOI: 10.1093/intimm/dxaa066] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Accepted: 09/25/2020] [Indexed: 12/12/2022] Open
Abstract
Innate lymphoid cells (ILCs) are a family of developmentally related leukocytes that rapidly secrete polarized sets of cytokines to combat infection and promote tissue repair at mucosal barriers. Among them, group 3 ILCs (ILC3s) play an important role in maintenance of the gut homeostasis by producing IL-22, and their development and function critically depend on the transcription factor RORγt. Although recent evidence indicates that RORγt+ ILC3s are reduced in the gut in the absence of the Cdc42 activator DOCK8 (dedicator of cytokinesis 8), the underlying mechanism remains unclear. We found that genetic deletion of Dock8 in RORγt+-lineage cells markedly reduced ILC3s in the lamina propria of the small intestine. By analyzing BrdU incorporation, it was revealed that DOCK8 deficiency did not affect the cell proliferation. Furthermore, when lineage marker-negative (Lin-) α4β7+ CD127+ RORγt- fetal liver cells were cultured with OP9 stromal cells in the presence of stem cell factor (SCF) and IL-7 in vitro, RORγt+ ILC3s normally developed irrespective of DOCK8 expression. However, DOCK8-deficient ILC3s exhibited a severe defect in survival of ILC3s under the condition with or without IL-7. Similar defects were observed when we analyzed Dock8VAGR mice having mutations in the catalytic center of DOCK8, thereby failing to activate Cdc42. Thus, DOCK8 acts in cell-autonomous manner to control survival of ILC3s in the gut through Cdc42 activation.
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Affiliation(s)
- Ryosuke Aihara
- Division of Immunogenetics, Department of Immunobiology and Neuroscience, Medical Institute of Bioregulation.,Section of Periodontology, Division of Oral Rehabilitation, Faculty of Dental Science, Kyushu University, Maidashi, Higashi-ku, Fukuoka, Japan
| | - Kazufumi Kunimura
- Division of Immunogenetics, Department of Immunobiology and Neuroscience, Medical Institute of Bioregulation
| | - Mayuki Watanabe
- Division of Immunogenetics, Department of Immunobiology and Neuroscience, Medical Institute of Bioregulation
| | - Takehito Uruno
- Division of Immunogenetics, Department of Immunobiology and Neuroscience, Medical Institute of Bioregulation
| | - Nana Yamane
- Division of Immunogenetics, Department of Immunobiology and Neuroscience, Medical Institute of Bioregulation
| | - Tetsuya Sakurai
- Division of Immunogenetics, Department of Immunobiology and Neuroscience, Medical Institute of Bioregulation
| | - Daiji Sakata
- Division of Immunogenetics, Department of Immunobiology and Neuroscience, Medical Institute of Bioregulation
| | - Fusanori Nishimura
- Section of Periodontology, Division of Oral Rehabilitation, Faculty of Dental Science, Kyushu University, Maidashi, Higashi-ku, Fukuoka, Japan
| | - Yoshinori Fukui
- Division of Immunogenetics, Department of Immunobiology and Neuroscience, Medical Institute of Bioregulation
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20
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Kunimura K, Uruno T, Fukui Y. DOCK family proteins: key players in immune surveillance mechanisms. Int Immunol 2020; 32:5-15. [PMID: 31630188 PMCID: PMC6949370 DOI: 10.1093/intimm/dxz067] [Citation(s) in RCA: 53] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2019] [Accepted: 10/16/2019] [Indexed: 12/11/2022] Open
Abstract
Dedicator of cytokinesis (DOCK) proteins constitute a family of evolutionarily conserved guanine nucleotide exchange factors (GEFs) for the Rho family of GTPases. Although DOCK family proteins do not contain the Dbl homology domain typically found in other GEFs, they mediate the GTP–GDP exchange reaction through the DOCK homology region-2 (DHR-2) domain. In mammals, this family consists of 11 members, each of which has unique functions depending on the expression pattern and the substrate specificity. For example, DOCK2 is a Rac activator critical for migration and activation of leukocytes, whereas DOCK8 is a Cdc42-specific GEF that regulates interstitial migration of dendritic cells. Identification of DOCK2 and DOCK8 as causative genes for severe combined immunodeficiency syndromes in humans has highlighted their roles in immune surveillance. In addition, the recent discovery of a naturally occurring DOCK2-inhibitory metabolite has uncovered an unexpected mechanism of tissue-specific immune evasion. On the other hand, GEF-independent functions have been shown for DOCK8 in antigen-induced IL-31 production in helper T cells. This review summarizes multifaced functions of DOCK family proteins in the immune system.
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Affiliation(s)
- Kazufumi Kunimura
- Division of Immunogenetics, Department of Immunobiology and Neuroscience, Medical Institute of Bioregulation, Kyushu University, Maidashi, Higashi-ku, Fukuoka, Japan
| | - Takehito Uruno
- Division of Immunogenetics, Department of Immunobiology and Neuroscience, Medical Institute of Bioregulation, Kyushu University, Maidashi, Higashi-ku, Fukuoka, Japan.,Research Center for Advanced Immunology, Kyushu University, Maidashi, Higashi-ku, Fukuoka, Japan
| | - Yoshinori Fukui
- Division of Immunogenetics, Department of Immunobiology and Neuroscience, Medical Institute of Bioregulation, Kyushu University, Maidashi, Higashi-ku, Fukuoka, Japan.,Research Center for Advanced Immunology, Kyushu University, Maidashi, Higashi-ku, Fukuoka, Japan
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21
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Dai K, Chen Z, She S, Shi J, Zhu J, Huang Y. Leucine rich repeats and calponin homology domain containing 1 inhibits NK-92 cell cytotoxicity through attenuating Src signaling. Immunobiology 2020; 225:151934. [PMID: 32173150 DOI: 10.1016/j.imbio.2020.151934] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2019] [Accepted: 03/08/2020] [Indexed: 11/30/2022]
Abstract
NK-92 cell line has been used as anti-tumor cytotoxic effector cells in immunotherapy. Leucine-rich repeats and calponin homology domain containing 1 (LRCH1) is a novel gene of which the function is unclear. In the present study, we investigated the role of LRCH1 in NK-92 cell cytotoxicity. LRCH1 was ablated in NK-92 cells through CRISP-Cas9-mediated knockout. LRCH1 knockout did not influence the basal behavior of NK-92 cells such as cell survival, expression of natural cytotoxicity receptors, and proliferation. However, upon the contact with tumor cells, LRCH1 knockout promoted NK-92 cell cytotoxicity to tumor cells. Besides, LRCH1 knockout increased the production of cytotoxic mediators such as IFN-γ, TNF-α, IL-2, and granzyme B in NK-92 cells after tumor cell contact. Similarly, LRCH1 knockout increased the production of cytokines and granzyme B upon NKp30 engagement. Further experiments revealed that LRCH1 knockout enhanced the activation of Src and Lck kinase which are important for natural killer cell cytotoxicity. The in vivo assay confirmed the up-regulation of the tumoricidal activity of LRCH1-/- NK-92 cells, as demonstrated by more robust tumor cell killing. Importantly, human primary natural killer cells exhibited a similar increase in the production of IFN-γ and TNF-α when LRCH1 was knocked out. In conclusion, our study revealed the role of LRCH1 as a negative regulator of NK-92 cell cytotoxicity.
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Affiliation(s)
- Kai Dai
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, 430060, China.
| | - Zubing Chen
- Department of Hepatobiliary Surgery, Renmin Hospital of Wuhan University, Wuhan, 430060, China
| | - Sha She
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, 430060, China
| | - Jinzhi Shi
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, 430060, China
| | - Jiling Zhu
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, 430060, China
| | - Yabing Huang
- Department of Pathology, Renmin Hospital of Wuhan University, Wuhan, 430060, China
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22
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Fan M, Wang J, Wang S, Li T, Pan H, Liu H, Xu H, Zhernakova DV, O'Brien SJ, Feng Z, Chang L, Dai E, Lu J, Xi H, Yu Y, Zhang J, Wang B, Zeng Z. New Gene Variants Associated with the Risk of Chronic HBV Infection. Virol Sin 2020; 35:378-387. [PMID: 32297155 DOI: 10.1007/s12250-020-00200-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2019] [Accepted: 01/16/2020] [Indexed: 12/16/2022] Open
Abstract
Some patients with chronic hepatitis B virus (HBV) infection failed to clear HBV, even persistently continue to produce antibodies to HBV. Here we performed a two stage genome wide association study in a cohort of Chinese patients designed to discover single nucleotide variants that associate with HBV infection and clearance of HBV. The first stage involved genome wide exome sequencing of 101 cases (HBsAg plus anti-HBs positive) compared with 102 control patients (anti-HBs positive, HBsAg negative). Over 80% of individual sequences displayed 20 × sequence coverage. Adapters, uncertain bases > 10% or low-quality base calls (> 50%) were filtered and compared to the human reference genome hg19. In the second stage, 579 chronic HBV infected cases and 439 HBV clearance controls were sequenced with selected genes from the first stage. Although there were no significant associated gene variants in the first stage, two significant gene associations were discovered when the two stages were assessed in a combined analysis. One association showed rs506121-"T" allele [within the dedicator of cytokinesis 8 (DOCK8) gene] was higher in chronic HBV infection group than that in clearance group (P = 0.002, OR = 0.77, 95% CI [0.65, 0.91]). The second association involved rs2071676-A allele within the Carbonic anhydrase (CA9) gene that was significantly elevated in chronic HBV infection group compared to the clearance group (P = 0.0003, OR = 1.35, 95% CI [1.15, 1.58]). Upon replication these gene associations would suggest the influence of DOCK8 and CA9 as potential risk genetic factors in the persistence of HBV infection.
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Affiliation(s)
- Mengjie Fan
- Department of Infectious Diseases, Peking University First Hospital, Beijing, 100034, China
| | - Jing Wang
- Department of Medical Genetics and Development Biology, School of Medical Basic, Capital Medical University, Beijing, 100069, China.,Center for Genetics, National Research Institute for Family Planning, Beijing, 100081, China
| | - Sa Wang
- Department of Infectious Diseases, Peking University First Hospital, Beijing, 100034, China
| | - Tengyan Li
- Center for Genetics, National Research Institute for Family Planning, Beijing, 100081, China
| | - Hong Pan
- Center for Genetics, National Research Institute for Family Planning, Beijing, 100081, China
| | - Hankui Liu
- BGI-Shenzhen, Shenzhen, 518083, China.,BGI Genomics, BGI-Shenzhen, Shenzhen, 518083, China
| | - Huifang Xu
- BGI-Shenzhen, Shenzhen, 518083, China.,BGI Genomics, BGI-Shenzhen, Shenzhen, 518083, China
| | - Daria V Zhernakova
- Laboratory of Genomic Diversity, Center for Computer Technologies, ITMO University, St. Petersburg, Russia, 197101
| | - Stephen J O'Brien
- Laboratory of Genomic Diversity, Center for Computer Technologies, ITMO University, St. Petersburg, Russia, 197101.,Guy Harvey Oceanographic Center, Halmos College of Natural Sciences and Oceanography, Nova Southeastern University, Ft Lauderdale, FL, 33004, USA
| | - Zhenru Feng
- Department of Laboratory Medicine, Peking University First Hospital, Beijing, 100034, China
| | - Le Chang
- Department of Laboratory Medicine, Peking University First Hospital, Beijing, 100034, China
| | - Erhei Dai
- The Fifth Hospital of Shijiazhuang, Shijiazhuang, 050024, China
| | - Jianhua Lu
- The Fifth Hospital of Shijiazhuang, Shijiazhuang, 050024, China
| | - Hongli Xi
- Department of Infectious Diseases, Peking University First Hospital, Beijing, 100034, China
| | - Yanyan Yu
- Department of Infectious Diseases, Peking University First Hospital, Beijing, 100034, China
| | - Jianguo Zhang
- BGI-Shenzhen, Shenzhen, 518083, China. .,BGI Genomics, BGI-Shenzhen, Shenzhen, 518083, China.
| | - Binbin Wang
- Center for Genetics, National Research Institute for Family Planning, Beijing, 100081, China.
| | - Zheng Zeng
- Department of Infectious Diseases, Peking University First Hospital, Beijing, 100034, China.
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23
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Eken A, Cansever M, Okus FZ, Erdem S, Nain E, Azizoglu ZB, Haliloglu Y, Karakukcu M, Ozcan A, Devecioglu O, Aksu G, Arikan Ayyildiz Z, Topal E, Karakoc Aydiner E, Kiykim A, Metin A, Cipe F, Kaya A, Artac H, Reisli I, Guner SN, Uygun V, Karasu G, Dönmez Altuntas H, Canatan H, Oukka M, Ozen A, Chatila TA, Keles S, Baris S, Unal E, Patiroglu T. ILC3 deficiency and generalized ILC abnormalities in DOCK8-deficient patients. Allergy 2020; 75:921-932. [PMID: 31596517 DOI: 10.1111/all.14081] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2019] [Revised: 09/10/2019] [Accepted: 09/20/2019] [Indexed: 12/15/2022]
Abstract
BACKGROUND Dedicator of cytokinesis 8 (DOCK8) deficiency is the main cause of the autosomal recessive hyper-IgE syndrome (HIES). We previously reported the selective loss of group 3 innate lymphoid cell (ILC) number and function in a Dock8-deficient mouse model. In this study, we sought to test whether DOCK8 is required for the function and maintenance of ILC subsets in humans. METHODS Peripheral blood ILC1-3 subsets of 16 DOCK8-deficient patients recruited at the pretransplant stage, and seven patients with autosomal dominant (AD) HIES due to STAT3 mutations, were compared with those of healthy controls or post-transplant DOCK8-deficient patients (n = 12) by flow cytometry and real-time qPCR. Sorted total ILCs from DOCK8- or STAT3-mutant patients and healthy controls were assayed for survival, apoptosis, proliferation, and activation by IL-7, IL-23, and IL-12 by cell culture, flow cytometry, and phospho-flow assays. RESULTS DOCK8-deficient but not STAT3-mutant patients exhibited a profound depletion of ILC3s, and to a lesser extent ILC2s, in their peripheral blood. DOCK8-deficient ILC1-3 subsets had defective proliferation, expressed lower levels of IL-7R, responded less to IL-7, IL-12, or IL-23 cytokines, and were more prone to apoptosis compared with those of healthy controls. CONCLUSION DOCK8 regulates human ILC3 expansion and survival, and more globally ILC cytokine signaling and proliferation. DOCK8 deficiency leads to loss of ILC3 from peripheral blood. ILC3 deficiency may contribute to the susceptibility of DOCK8-deficient patients to infections.
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24
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Tangye SG. Genetic susceptibility to EBV infection: insights from inborn errors of immunity. Hum Genet 2020; 139:885-901. [PMID: 32152698 DOI: 10.1007/s00439-020-02145-3] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2019] [Accepted: 02/27/2020] [Indexed: 02/07/2023]
Abstract
Epstein-Barr virus (EBV) is a ubiquitous human pathogen, infecting > 90% of the adult population. In the vast majority of healthy individuals, infection with EBV runs a relatively benign course. However, EBV is by no means a benign pathogen. Indeed, apart from being associated with at least seven different types of malignancies, EBV infection can cause severe and often fatal diseases-hemophagocytic lymphohistiocytosis, lymphoproliferative disease, B-cell lymphoma-in rare individuals with specific monogenic inborn errors of immunity. The discovery and detailed investigation of inborn errors of immunity characterized by heightened susceptibility to, or increased frequency of, EBV-induced disease have elegantly revealed cell types and signaling pathways that play critical and non-redundant roles in host-defense against EBV. These analyses have revealed not only mechanisms underlying EBV-induced disease in rare genetic conditions, but also identified molecules and pathways that could be targeted to treat severe EBV infection and pathological consequences in immunodeficient hosts, or even potentially enhance the efficacy of an EBV-specific vaccine.
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Affiliation(s)
- Stuart G Tangye
- Garvan Institute of Medical Research, Darlinghurst, Sydney, NSW, 2010, Australia. .,St. Vincent's Clinical School, University of NSW Sydney, Darlinghurst, NSW, 2010, Australia. .,Clincial Immunogenomics Research Consortium Australasia (CIRCA), Darlinghurst, NSW, Australia.
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25
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Lam MT, Mace EM, Orange JS. A research-driven approach to the identification of novel natural killer cell deficiencies affecting cytotoxic function. Blood 2020; 135:629-637. [PMID: 31945148 PMCID: PMC7046607 DOI: 10.1182/blood.2019000925] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2019] [Accepted: 12/13/2019] [Indexed: 12/17/2022] Open
Abstract
Natural killer cell deficiencies (NKDs) are an emerging phenotypic subtype of primary immune deficiency. NK cells provide a defense against virally infected cells using a variety of cytotoxic mechanisms, and patients who have defective NK cell development or function can present with atypical, recurrent, or severe herpesviral infections. The current pipeline for investigating NKDs involves the acquisition and clinical assessment of patients with a suspected NKD followed by subsequent in silico, in vitro, and in vivo laboratory research. Evaluation involves initially quantifying NK cells and measuring NK cell cytotoxicity and expression of certain NK cell receptors involved in NK cell development and function. Subsequent studies using genomic methods to identify the potential causative variant are conducted along with variant impact testing to make genotype-phenotype connections. Identification of novel genes contributing to the NKD phenotype can also be facilitated by applying the expanding knowledge of NK cell biology. In this review, we discuss how NKDs that affect NK cell cytotoxicity can be approached in the clinic and laboratory for the discovery of novel gene variants.
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Affiliation(s)
- Michael T Lam
- Department of Pediatrics, Columbia University Medical Center, New York, NY; and
- Medical Scientist Training Program, and
- Translational Biology and Molecular Medicine Graduate Program, Baylor College of Medicine, Houston, TX
| | - Emily M Mace
- Department of Pediatrics, Columbia University Medical Center, New York, NY; and
| | - Jordan S Orange
- Department of Pediatrics, Columbia University Medical Center, New York, NY; and
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26
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Saeed MB, Record J, Westerberg LS. Two sides of the coin: Cytoskeletal regulation of immune synapses in cancer and primary immune deficiencies. INTERNATIONAL REVIEW OF CELL AND MOLECULAR BIOLOGY 2020; 356:1-97. [DOI: 10.1016/bs.ircmb.2020.06.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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27
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Janssen E, Geha RS. Primary immunodeficiencies caused by mutations in actin regulatory proteins. Immunol Rev 2019; 287:121-134. [PMID: 30565251 DOI: 10.1111/imr.12716] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2018] [Accepted: 08/31/2018] [Indexed: 12/31/2022]
Abstract
The identification of patients with monogenic gene defects have illuminated the function of different proteins in the immune system, including proteins that regulate the actin cytoskeleton. Many of these actin regulatory proteins are exclusively expressed in leukocytes and regulate the formation and branching of actin filaments. Their absence or abnormal function leads to defects in immune cell shape, cellular projections, migration, and signaling. Through the study of patients' mutations and generation of mouse models that recapitulate the patients' phenotypes, our laboratory and others have gained a better understanding of the role these proteins play in cell biology and the underlying pathogenesis of immunodeficiencies and immune dysregulatory syndromes.
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Affiliation(s)
- Erin Janssen
- Division of Immunology, Department of Pediatrics, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts
| | - Raif S Geha
- Division of Immunology, Department of Pediatrics, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts
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28
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Mace EM, Orange JS. Emerging insights into human health and NK cell biology from the study of NK cell deficiencies. Immunol Rev 2019; 287:202-225. [PMID: 30565241 DOI: 10.1111/imr.12725] [Citation(s) in RCA: 104] [Impact Index Per Article: 20.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2018] [Accepted: 09/28/2018] [Indexed: 12/24/2022]
Abstract
Human NK cells are innate immune effectors that play a critical roles in the control of viral infection and malignancy. The importance of their homeostasis and function can be demonstrated by the study of patients with primary immunodeficiencies (PIDs), which are part of the family of diseases known as inborn defects of immunity. While NK cells are affected in many PIDs in ways that may contribute to a patient's clinical phenotype, a small number of PIDs have an NK cell abnormality as their major immunological defect. These PIDs can be collectively referred to as NK cell deficiency (NKD) disorders and include effects upon NK cell numbers, subsets, and/or functions. The clinical impact of NKD can be severe including fatal viral infection, with particular susceptibility to herpesviral infections, such as cytomegalovirus, varicella zoster virus, and Epstein-Barr virus. While NKD is rare, studies of these diseases are important for defining specific requirements for human NK cell development and homeostasis. New themes in NK cell biology are emerging through the study of both known and novel NKD, particularly those affecting cell cycle and DNA damage repair, as well as broader PIDs having substantive impact upon NK cells. In addition, the discovery of NKD that affects other innate lymphoid cell (ILC) subsets opens new doors for better understanding the relationship between conventional NK cells and other ILC subsets. Here, we describe the biology underlying human NKD, particularly in the context of new insights into innate immune cell function, including a discussion of recently described NKD with accompanying effects on ILC subsets. Given the impact of these disorders upon human immunity with a common focus upon NK cells, the unifying message of a critical role for NK cells in human host defense singularly emerges.
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Affiliation(s)
- Emily M Mace
- Department of Pediatrics, Columbia University Irving Medical Center, New York, New York
| | - Jordan S Orange
- Department of Pediatrics, Columbia University Irving Medical Center, New York, New York
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29
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Jacob M, Gu X, Luo X, Al-Mousa H, Arnaout R, Al-Saud B, L. Lopata A, Li L, Dasouki M, Rahman AMA. Metabolomics Distinguishes DOCK8 Deficiency from Atopic Dermatitis: Towards a Biomarker Discovery. Metabolites 2019; 9:metabo9110274. [PMID: 31718082 PMCID: PMC6918408 DOI: 10.3390/metabo9110274] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2019] [Revised: 11/06/2019] [Accepted: 11/07/2019] [Indexed: 01/18/2023] Open
Abstract
Bi-allelic mutations in the dedicator of cytokinesis 8 (DOCK8) are responsible for a rare autosomal recessive primary combined immunodeficiency syndrome, characterized by atopic dermatitis, elevated serum Immunoglobulin E (IgE) levels, recurrent severe cutaneous viral infections, autoimmunity, and predisposition to malignancy. The molecular link between DOCK8 deficiency and atopic skin inflammation remains unknown. Severe atopic dermatitis (AD) and DOCK8 deficiency share some clinical symptoms, including eczema, eosinophilia, and increased serum IgE levels. Increased serum IgE levels are characteristic of, but not specific to allergic diseases. Herein, we aimed to study the metabolomic profiles of DOCK8-deficient and AD patients for potential disease-specific biomarkers using chemical isotope labeling liquid chromatography-mass spectrometry (CIL LC-MS). Serum samples were collected from DOCK8-deficient (n = 10) and AD (n = 9) patients. Metabolomics profiling using CIL LC-MS was performed on patient samples and compared to unrelated healthy controls (n = 33). Seven metabolites were positively identified, distinguishing DOCK8-deficient from AD patients. Aspartic acid and 3-hydroxyanthranillic acid (3HAA, a tryptophan degradation pathway intermediate) were up-regulated in DOCK8 deficiency, whereas hypotaurine, leucyl-phenylalanine, glycyl-phenylalanine, and guanosine were down-regulated. Hypotaurine, 3-hydroxyanthranillic acid, and glycyl-phenyalanine were identified as potential biomarkers specific to DOCK8 deficiency. Aspartate availability has been recently implicated as a limiting metabolite for tumour growth and 3HAA; furthermore, other tryptophan metabolism pathway-related molecules have been considered as potential novel targets for cancer therapy. Taken together, perturbations in tryptophan degradation and increased availability of aspartate suggest a link of DOCK8 deficiency to oncogenesis. Additionally, perturbations in taurine and dipeptides metabolism suggest altered antixidation and cell signaling states in DOCK8 deficiency. Further studies examining the mechanisms underlying these observations are necessary.
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Affiliation(s)
- Minnie Jacob
- Department of Genetics, King Faisal Specialist Hospital and Research Center (KFSH-RC), Riyadh 11211, Saudi Arabia;
- Australian Institute of Tropical Health and Medicine, James Cook University, Townsville QLD 4814, Australia;
| | - Xinyun Gu
- Department of Chemistry, University of Alberta, Edmonton, AB T6G 2R3, Canada (X.L.); (R.A.); (L.L.)
| | - Xian Luo
- Department of Chemistry, University of Alberta, Edmonton, AB T6G 2R3, Canada (X.L.); (R.A.); (L.L.)
| | - Hamoud Al-Mousa
- Section of Pediatric Allergy and Immunology, Department of Pediatrics, King Faisal Specialist Hospital & Research Centre (KFSH-RC), Riyadh 11211, Saudi Arabia; (H.A.-M.); (B.A.-S.)
| | - Rand Arnaout
- Department of Chemistry, University of Alberta, Edmonton, AB T6G 2R3, Canada (X.L.); (R.A.); (L.L.)
| | - Bandar Al-Saud
- Section of Pediatric Allergy and Immunology, Department of Pediatrics, King Faisal Specialist Hospital & Research Centre (KFSH-RC), Riyadh 11211, Saudi Arabia; (H.A.-M.); (B.A.-S.)
| | - Andreas L. Lopata
- Australian Institute of Tropical Health and Medicine, James Cook University, Townsville QLD 4814, Australia;
| | - Liang Li
- Department of Chemistry, University of Alberta, Edmonton, AB T6G 2R3, Canada (X.L.); (R.A.); (L.L.)
| | - Majed Dasouki
- Department of Genetics, King Faisal Specialist Hospital and Research Center (KFSH-RC), Riyadh 11211, Saudi Arabia;
- Correspondence: (M.D.); (A.M.A.R.); Tel.: +966-1146-47272 (ext. 20481) (M.D.); +966-1146-47272 (ext. 36481) (A.M.A.R.); Fax: +966-1144-24585 (M.D. & A.M.A.R.)
| | - Anas M. Abdel Rahman
- Department of Genetics, King Faisal Specialist Hospital and Research Center (KFSH-RC), Riyadh 11211, Saudi Arabia;
- College of Medicine, Alfaisal University, Riyadh 11533, Saudi Arabia
- Department of Chemistry, Memorial University of Newfoundland, St. John’s, NL A1B 3X7, Canada
- Correspondence: (M.D.); (A.M.A.R.); Tel.: +966-1146-47272 (ext. 20481) (M.D.); +966-1146-47272 (ext. 36481) (A.M.A.R.); Fax: +966-1144-24585 (M.D. & A.M.A.R.)
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30
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Compound Heterozygous DOCK8 Mutations in a Patient with B Lymphoblastic Leukemia and EBV-Associated Diffuse Large B Cell Lymphoma. J Clin Immunol 2019; 39:592-595. [DOI: 10.1007/s10875-019-00663-y] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2019] [Accepted: 06/20/2019] [Indexed: 10/26/2022]
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31
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Arndt T, Jörns A, Wedekind D. Changes in immune cell frequencies in primary and secondary lymphatic organs of LEW.1AR1-iddm rats, a model of human type 1 diabetes compared to other MHC congenic LEW inbred strains. Immunol Res 2019; 66:462-470. [PMID: 30143971 DOI: 10.1007/s12026-018-9015-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
The LEW.1AR1-iddm rat is an animal model of human type 1 diabetes, which arose through a spontaneous mutation in the Dock8 gene within the MHC congenic background strain LEW.1AR1. This mutation not only mediates diabetes development but also leads to a variable T cell frequency in peripheral blood. In this study, the immune cell frequencies of primary and secondary lymphatic organs of LEW.1AR1-iddm rats were analysed at days 40 and 60 and compared to other MHC congenic LEW rat strains. In LEW.1AR1-iddm rats, the secondary lymphatic organs such as lymph nodes and spleen showed a reduced, around 15% in comparison to all other strains, but very variable T cell frequency, mirroring the fluctuating T cell content in blood. On the other hand, the frequency of B cells was increased by 10% in the lymph nodes and by 5% in the spleen. Thus, the decreasing number of T cells in blood could not be caused by an increase of T cells in secondary lymphatic organs. The frequency of single- or double-positive T cells in the thymus was unaffected. The T cell frequencies in the other analysed strains were more stable and mostly higher in all secondary lymphatic organs. Obviously, the Dock8 mutation leads to variabilities of T cell frequencies in blood as well as in secondary lymphatic organs. In conclusion, the Dock8 mutation was responsible for changed immune cell frequencies in different compartments and together with the RT1B/Du haplotype causing immune imbalances and development of autoimmune diabetes.
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Affiliation(s)
- Tanja Arndt
- Institute of Clinical Biochemistry, Hannover Medical School, Hannover, Germany
| | - Anne Jörns
- Institute of Clinical Biochemistry, Hannover Medical School, Hannover, Germany
| | - Dirk Wedekind
- Institute of Laboratory Animal Science, Hannover Medical School, 30625, Hannover, Germany.
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32
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Tavassoli M, Abolhassani H, Yazdani R, Ghadami M, Azizi G, Abdolrahim Poor Heravi S, Moeini Shad T, Kokabee M, Movahedi M, Abdshahzadeh H, Gharagozlou M, Rezaei N, Esmaeilzadeh H, Aleyasin S, Aghamohammadi A. The first cohort of Iranian patients with hyper immunoglobulin E syndrome: A long-term follow-up and genetic analysis. Pediatr Allergy Immunol 2019; 30:469-478. [PMID: 30801830 DOI: 10.1111/pai.13043] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/28/2018] [Revised: 01/12/2019] [Accepted: 01/28/2019] [Indexed: 12/21/2022]
Abstract
BACKGROUND Hyper-IgE syndromes (HIES) are distinct diseases characterized by recurrent cutaneous and lung infections, eczema, and elevated serum IgE level. METHODS In this study, clinical manifestations, immunologic findings, and genetic studies of all patients with HIES in the Iranian national registry database were evaluated. RESULTS A total of 129 HIES patients with a median age of 14.0 (9.0-24.0) years were followed up for a total of 307.8 patient-years. Genetic studies showed heterozygous STAT3 mutations in 19 patients and homozygous DOCK8 mutation in 16 patients. The mean of National Institutes of Health score in STAT3-deficient patients was higher than in patients with DOCK8 mutation (P = 0.001). It was shown that the presence of pneumatocele and hematologic complication were significantly frequent in STAT3-deficient cases compared to patients with DOCK8 deficiency (P = 0.001 and P = 0.002, respectively). Moreover, the median IgE serum levels were higher in patients with STAT3 gene mutation than in patients with DOCK8 gene mutation (P = 0.02). The eosinophils' count was enhanced in patients with DOCK8 deficiency than in patients with STAT3 gene defects (P = 0.02). CONCLUSION Specific molecular study of STAT3 and DOCK8 mutations in patients with HIES clinical phenotype could help the physician to definitively characterize the disease. Since HIES showed the highest rate of unsolved combined immunodeficiency, investigation of other genetic and environmental factors could also help in understanding the mechanism of remaining patients as well as providing strategy into therapeutic modalities.
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Affiliation(s)
- Mahmood Tavassoli
- Department of Immunology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Hassan Abolhassani
- Research Center for Immunodeficiencies, Pediatrics Center of Excellence, Children's Medical Center, Tehran University of Medical Sciences, Tehran, Iran.,Division of Clinical Immunology, Department of Laboratory Medicine, Karolinska Institute at Karolinska University Hospital Huddinge, Stockholm, Sweden
| | - Reza Yazdani
- Research Center for Immunodeficiencies, Pediatrics Center of Excellence, Children's Medical Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Mohsen Ghadami
- Molecular Immunology Research Center, Department of Immunology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Gholamreza Azizi
- Non-Communicable Diseases Research Center, Alborz University of Medical Sciences, Karaj, Iran
| | | | - Tannaz Moeini Shad
- Research Center for Immunodeficiencies, Pediatrics Center of Excellence, Children's Medical Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Mostafa Kokabee
- Research Center for Immunodeficiencies, Pediatrics Center of Excellence, Children's Medical Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Masoud Movahedi
- Department of Allergy and Clinical Immunology, Pediatrics Center of Excellence, Children's Medical Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Hormoz Abdshahzadeh
- Research Center for Immunodeficiencies, Pediatrics Center of Excellence, Children's Medical Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Mohammad Gharagozlou
- Department of Allergy and Clinical Immunology, Pediatrics Center of Excellence, Children's Medical Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Nima Rezaei
- Research Center for Immunodeficiencies, Pediatrics Center of Excellence, Children's Medical Center, Tehran University of Medical Sciences, Tehran, Iran.,Network for Immunology in Infection, Malignancy, and Autoimmunity (NIIMA), Universal Scientific Education and Research Network (USERN), Tehran, Iran
| | | | - Soheila Aleyasin
- Allergy Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Asghar Aghamohammadi
- Department of Immunology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
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33
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Pillay BA, Avery DT, Smart JM, Cole T, Choo S, Chan D, Gray PE, Frith K, Mitchell R, Phan TG, Wong M, Campbell DE, Hsu P, Ziegler JB, Peake J, Alvaro F, Picard C, Bustamante J, Neven B, Cant AJ, Uzel G, Arkwright PD, Casanova JL, Su HC, Freeman AF, Shah N, Hickstein DD, Tangye SG, Ma CS. Hematopoietic stem cell transplant effectively rescues lymphocyte differentiation and function in DOCK8-deficient patients. JCI Insight 2019; 5:127527. [PMID: 31021819 DOI: 10.1172/jci.insight.127527] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
Bi-allelic inactivating mutations in DOCK8 cause a combined immunodeficiency characterised by severe pathogen infections, eczema, allergies, malignancy and impaired humoral responses. These clinical features result from functional defects in most lymphocyte lineages. Thus, DOCK8 plays a key role in immune cell function. Hematopoietic stem cell transplantation (HSCT) is curative for DOCK8 deficiency. While previous reports have described clinical outcomes for DOCK8 deficiency following HSCT, the effect on lymphocyte reconstitution and function has not been investigated. Our study determined whether defects in lymphocyte differentiation and function in DOCK8-deficient patients were restored following HSCT. DOCK8-deficient T and B lymphocytes exhibited aberrant activation and effector function in vivo and in vitro. Frequencies of αβ T and MAIT cells were reduced while γδT cells were increased in DOCK8-deficient patients. HSCT improved, abnormal lymphocyte function in DOCK8-deficient patients. Elevated total and allergen-specific IgE in DOCK8-deficient patients decreased over time following HSCT. Our results document the extensive catalogue of cellular defects in DOCK8-deficient patients, and the efficacy of HSCT to correct these defects, concurrent with improvements in clinical phenotypes. Overall, our findings provide mechanisms at a functional cellular level for improvements in clinical features of DOCK8 deficiency post-HSCT, identify biomarkers that correlate with improved clinical outcomes, and inform the general dynamics of immune reconstitution in patients with monogenic immune disorders following HSCT.
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Affiliation(s)
- Bethany A Pillay
- Garvan Institute of Medical Research, Sydney, New South Wales, Australia.,St Vincent's Clinical School, Faculty of Medicine, UNSW Sydney, Sydney, New South Wales, Australia
| | - Danielle T Avery
- Garvan Institute of Medical Research, Sydney, New South Wales, Australia
| | - Joanne M Smart
- Royal Children's Hospital, Melbourne, Victoria, Australia
| | - Theresa Cole
- Royal Children's Hospital, Melbourne, Victoria, Australia
| | - Sharon Choo
- Royal Children's Hospital, Melbourne, Victoria, Australia
| | - Damien Chan
- Women and Children's Hosp==ital, Adelaide, South Australia, Australia
| | - Paul E Gray
- Department of Immunology and Infectious Diseases, Sydney Children's Hospital, Sydney, New South Wales, Australia.,School of Women's and Children's Health, UNSW Sydney, Sydney, New South Wales, Australia.,Clinical Immunogenomics Research Consortium of Australia (CIRCA), Sydney, New South Wales, Australia
| | - Katie Frith
- Department of Immunology and Infectious Diseases, Sydney Children's Hospital, Sydney, New South Wales, Australia.,School of Women's and Children's Health, UNSW Sydney, Sydney, New South Wales, Australia
| | - Richard Mitchell
- School of Women's and Children's Health, UNSW Sydney, Sydney, New South Wales, Australia.,Kids Cancer Centre, Sydney Children's Hospital, Randwick, New South Wales Australia
| | - Tri Giang Phan
- Garvan Institute of Medical Research, Sydney, New South Wales, Australia.,St Vincent's Clinical School, Faculty of Medicine, UNSW Sydney, Sydney, New South Wales, Australia.,Clinical Immunogenomics Research Consortium of Australia (CIRCA), Sydney, New South Wales, Australia
| | - Melanie Wong
- Clinical Immunogenomics Research Consortium of Australia (CIRCA), Sydney, New South Wales, Australia.,Children's Hospital at Westmead, Westmead, New South Wales, Australia
| | - Dianne E Campbell
- Clinical Immunogenomics Research Consortium of Australia (CIRCA), Sydney, New South Wales, Australia.,Children's Hospital at Westmead, Westmead, New South Wales, Australia
| | - Peter Hsu
- Clinical Immunogenomics Research Consortium of Australia (CIRCA), Sydney, New South Wales, Australia.,Children's Hospital at Westmead, Westmead, New South Wales, Australia
| | - John B Ziegler
- Department of Immunology and Infectious Diseases, Sydney Children's Hospital, Sydney, New South Wales, Australia.,School of Women's and Children's Health, UNSW Sydney, Sydney, New South Wales, Australia.,Clinical Immunogenomics Research Consortium of Australia (CIRCA), Sydney, New South Wales, Australia
| | - Jane Peake
- Queensland Children's Hospital, South Brisbane, Queensland, Australia
| | - Frank Alvaro
- Pediatric Hematology, John Hunter Hospital, New Lambton, New South Wales, Australia
| | - Capucine Picard
- Laboratory of Lymphocyte Activation and Susceptibility to EBV Infection, INSERM UMR 1163, Imagine institut, Paris, France.,Study Center for Primary Immunodeficiencies, Assistance Publique-Hôpitaux de Paris (AP-HP), Necker Hospital for Sick Children, Paris, France.,Pediatric Hematology and Immunology Unit, Necker Hospital for Sick Children, AP-HP, Paris, France
| | - Jacinta Bustamante
- Laboratory of Lymphocyte Activation and Susceptibility to EBV Infection, INSERM UMR 1163, Imagine institut, Paris, France.,Laboratory of Human Genetics of Infectious Diseases, Necker Branch, INSERM U1163, Institut IMAGINE, Necker Medical School, University Paris Descartes Paris, France.,St Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, The Rockefeller University, New York, New York, USA
| | - Benedicte Neven
- Pediatric Hematology-Immunology Unit, Necker Hospital for Sick Children, AP-HP, Paris, France
| | - Andrew J Cant
- Great North Children's Hospital, Newcastle upon Tyne Hospitals, NHS Foundation Trust, Newcastle upon Tyne, United Kingdom.,Primary Immunodeficiency Group, Institute of Cellular Medicine, Newcastle upon Tyne University, Newcastle upon Tyne, United Kingdom
| | - Gulbu Uzel
- Laboratory of Clinical Immunology and Microbiology, National Institute of Allergy and Infectious Diseases, NIH, Bethesda, Maryland, USA
| | - Peter D Arkwright
- Lydia Becker Institute of Immunology & Inflammation, University of Manchester, Manchester, United Kingdom
| | - Jean-Laurent Casanova
- Pediatric Hematology and Immunology Unit, Necker Hospital for Sick Children, AP-HP, Paris, France.,Laboratory of Human Genetics of Infectious Diseases, Necker Branch, INSERM U1163, Institut IMAGINE, Necker Medical School, University Paris Descartes Paris, France.,St Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, The Rockefeller University, New York, New York, USA.,Howard Hughes Medical Institute, New York, New York, USA
| | - Helen C Su
- Laboratory of Clinical Immunology and Microbiology, National Institute of Allergy and Infectious Diseases, NIH, Bethesda, Maryland, USA
| | - Alexandra F Freeman
- Laboratory of Clinical Immunology and Microbiology, National Institute of Allergy and Infectious Diseases, NIH, Bethesda, Maryland, USA
| | | | - Dennis D Hickstein
- Experimental Transplantation and Immunology Branch, National Cancer Institute, NIH, Bethesda, Maryland, USA
| | - Stuart G Tangye
- Garvan Institute of Medical Research, Sydney, New South Wales, Australia.,St Vincent's Clinical School, Faculty of Medicine, UNSW Sydney, Sydney, New South Wales, Australia.,Clinical Immunogenomics Research Consortium of Australia (CIRCA), Sydney, New South Wales, Australia
| | - Cindy S Ma
- Garvan Institute of Medical Research, Sydney, New South Wales, Australia.,St Vincent's Clinical School, Faculty of Medicine, UNSW Sydney, Sydney, New South Wales, Australia.,Clinical Immunogenomics Research Consortium of Australia (CIRCA), Sydney, New South Wales, Australia
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34
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Gernez Y, Baker MG, Maglione PJ. Humoral immunodeficiencies: conferred risk of infections and benefits of immunoglobulin replacement therapy. Transfusion 2019; 58 Suppl 3:3056-3064. [PMID: 30536429 PMCID: PMC6939302 DOI: 10.1111/trf.15020] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2018] [Accepted: 10/05/2018] [Indexed: 02/06/2023]
Abstract
Primary immunodeficiency (PID) diseases result from genetic defects of the immune system that increase a patient's susceptibility to infections. The types of infections that occur in patients with PID diseases are dictated largely by the nature of the immunodeficiency, which can be defined by dysfunction of cellular or humoral defenses. An increasing number of PID diseases, including those with both cellular and humoral defects, have antibody deficiency as a major feature, and as a result can benefit from immunoglobulin replacement therapy. In fact, the most common PID diseases worldwide are antibody deficiencies and include common variable immunodeficiency, congenital agammaglobulinemia, hyper‐IgM syndrome, specific antibody deficiency, and Good syndrome. Although immunoglobulin replacement therapy is the cornerstone of treatment for the majority of these conditions, a thorough understanding of the specific infections for which these patients are at increased risk can hasten diagnosis and guide additional therapies. Moreover, the infection trends in some patients with PID disease who have profound defects of cellular immunity, such as autosomal‐dominant hyper‐IgE syndrome (Job/Buckley syndrome) or dedicator of cytokinesis 8 (DOCK8) deficiency, suggest that select patients might benefit from immunoglobulin replacement therapy even if their immunodeficiency is not limited to antibody defects. In this review, we provide an overview of the predisposition to infections seen in PID disease that may benefit from immunoglobulin replacement therapy.
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Affiliation(s)
- Yael Gernez
- Division of Allergy and Immunology, Department of Pediatrics, Stanford School of Medicine, Stanford, California
| | - Mary Grace Baker
- Division of Clinical Immunology, Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, New York
| | - Paul J Maglione
- Division of Clinical Immunology, Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, New York
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35
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Tangye SG, Bucciol G, Casas‐Martin J, Pillay B, Ma CS, Moens L, Meyts I. Human inborn errors of the actin cytoskeleton affecting immunity: way beyond WAS and WIP. Immunol Cell Biol 2019; 97:389-402. [DOI: 10.1111/imcb.12243] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2019] [Accepted: 02/09/2019] [Indexed: 01/02/2023]
Affiliation(s)
- Stuart G Tangye
- Immunology Division Garvan Institute of Medical Research Sydney NSW Australia
- Faculty of Medicine St Vincent's Clinical School UNSW Sydney Sydney NSW Australia
| | - Giorgia Bucciol
- Laboratory for Inborn Errors of Immunity Department of Microbiology and Immunology KU Leuven Leuven Belgium
- Department of Pediatrics University Hospitals Leuven Leuven Belgium
| | - Jose Casas‐Martin
- Laboratory for Inborn Errors of Immunity Department of Microbiology and Immunology KU Leuven Leuven Belgium
| | - Bethany Pillay
- Immunology Division Garvan Institute of Medical Research Sydney NSW Australia
- Faculty of Medicine St Vincent's Clinical School UNSW Sydney Sydney NSW Australia
| | - Cindy S Ma
- Immunology Division Garvan Institute of Medical Research Sydney NSW Australia
- Faculty of Medicine St Vincent's Clinical School UNSW Sydney Sydney NSW Australia
| | - Leen Moens
- Laboratory for Inborn Errors of Immunity Department of Microbiology and Immunology KU Leuven Leuven Belgium
| | - Isabelle Meyts
- Laboratory for Inborn Errors of Immunity Department of Microbiology and Immunology KU Leuven Leuven Belgium
- Department of Pediatrics University Hospitals Leuven Leuven Belgium
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36
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Ben-Shmuel A, Joseph N, Sabag B, Barda-Saad M. Lymphocyte mechanotransduction: The regulatory role of cytoskeletal dynamics in signaling cascades and effector functions. J Leukoc Biol 2019; 105:1261-1273. [DOI: 10.1002/jlb.mr0718-267r] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2018] [Revised: 12/19/2018] [Accepted: 01/21/2019] [Indexed: 12/20/2022] Open
Affiliation(s)
- Aviad Ben-Shmuel
- Laboratory of Molecular and Applied Immunology; Bar-Ilan University; The Mina and Everard Goodman Faculty of Life Sciences; Ramat-Gan Israel
| | - Noah Joseph
- Laboratory of Molecular and Applied Immunology; Bar-Ilan University; The Mina and Everard Goodman Faculty of Life Sciences; Ramat-Gan Israel
| | - Batel Sabag
- Laboratory of Molecular and Applied Immunology; Bar-Ilan University; The Mina and Everard Goodman Faculty of Life Sciences; Ramat-Gan Israel
| | - Mira Barda-Saad
- Laboratory of Molecular and Applied Immunology; Bar-Ilan University; The Mina and Everard Goodman Faculty of Life Sciences; Ramat-Gan Israel
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37
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Mandola AB, Levy J, Nahum A, Hadad N, Levy R, Rylova A, Simon AJ, Lev A, Somech R, Broides A. Neutrophil Functions in Immunodeficiency Due to DOCK8 Deficiency. Immunol Invest 2019; 48:431-439. [PMID: 30689480 DOI: 10.1080/08820139.2019.1567533] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Neutrophil chemotactic defects have been reported previously in patients with hyper-IgE syndrome. Bi-allelic mutations in dedicator of cytokinesis 8 (DOCK8) gene usually cause an autosomal recessive hyper-IgE syndrome phenotype. Data are lacking about expression of DOCK8 protein in neutrophils or the possible role of DOCK8 in neutrophil function. We sought to determine if DOCK8 protein is expressed in neutrophils and if DOCK8 plays a role in neutrophil function. The expression of DOCK8 protein was assessed in neutrophils from healthy volunteers with and without activators. Neutrophil chemotaxis, phagocytosis and superoxide generation were studied in neutrophils from DOCK8-deficient patients compared to neutrophils from healthy controls before and after stimulation with activators: phorbol 12-myristate 13-acetate (PMA) or N-Formylmethionyl-leucyl-phenylalanine (fMLP). DOCK8 protein is expressed in resting neutrophils from healthy controls, with a significant increase in DOCK8 expression after stimulation. Neutrophil functions were assessed in 6 DOCK8-deficient patients. All patients had the same non-sense mutation (c.C5134A, p.S1711X). Normal chemotaxis was recorded in 4/6 patients while a mild to moderate chemotaxis defect was recorded in 2/6. Superoxide generation was mainly normal in neutrophils from all six patients and phagocytosis was normal in five patients tested. We conclude that DOCK8 protein is expressed in resting human neutrophils and DOCK8 expression is increased after stimulation with either PMA or fMLP. Most patients with a disease-causing mutation in DOCK8 have normal neutrophil functions, while a minority showed a mild to moderate chemotactic defect.
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Affiliation(s)
- Amarilla B Mandola
- a Pediatric Immunology Clinic.,b Soroka University Medical Center.,c Faculty of Health Sciences , Ben-Gurion University of the Negev , Beer Sheva , Israel
| | - Jacov Levy
- a Pediatric Immunology Clinic.,b Soroka University Medical Center.,c Faculty of Health Sciences , Ben-Gurion University of the Negev , Beer Sheva , Israel
| | - Amit Nahum
- a Pediatric Immunology Clinic.,b Soroka University Medical Center.,c Faculty of Health Sciences , Ben-Gurion University of the Negev , Beer Sheva , Israel
| | - Nurit Hadad
- b Soroka University Medical Center.,c Faculty of Health Sciences , Ben-Gurion University of the Negev , Beer Sheva , Israel.,d Infectious Disease Laboratory, Department of Clinical Biochemistry , Ben-Gurion University of the Negev , Beer Sheva , Israel
| | - Rachel Levy
- b Soroka University Medical Center.,c Faculty of Health Sciences , Ben-Gurion University of the Negev , Beer Sheva , Israel.,d Infectious Disease Laboratory, Department of Clinical Biochemistry , Ben-Gurion University of the Negev , Beer Sheva , Israel
| | - Anna Rylova
- e Pediatric Immunology, Edmond and Lily Safra Children's Hospital, Sheba Medical Center , Tel Hashomer , Israel
| | - Amos J Simon
- e Pediatric Immunology, Edmond and Lily Safra Children's Hospital, Sheba Medical Center , Tel Hashomer , Israel
| | - Atar Lev
- e Pediatric Immunology, Edmond and Lily Safra Children's Hospital, Sheba Medical Center , Tel Hashomer , Israel
| | - Raz Somech
- e Pediatric Immunology, Edmond and Lily Safra Children's Hospital, Sheba Medical Center , Tel Hashomer , Israel.,f Sackler School of Medicine , Tel Aviv University , Tel Aviv , Israel
| | - Arnon Broides
- a Pediatric Immunology Clinic.,b Soroka University Medical Center.,c Faculty of Health Sciences , Ben-Gurion University of the Negev , Beer Sheva , Israel
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38
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Su HC, Jing H, Angelus P, Freeman AF. Insights into immunity from clinical and basic science studies of DOCK8 immunodeficiency syndrome. Immunol Rev 2019; 287:9-19. [PMID: 30565250 PMCID: PMC6350515 DOI: 10.1111/imr.12723] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2018] [Accepted: 10/15/2018] [Indexed: 12/29/2022]
Abstract
DOCK8 immunodeficiency syndrome (DIDS) is a progressive combined immunodeficiency that can be distinguished from other combined immunodeficiencies or hyperimmunoglobulinemia E syndromes in featuring (a) profound susceptibility to virus infections of the skin, with associated skin cancers, and (b) severe food allergies. The DOCK8 locus has many repetitive sequence elements that predispose to the generation of large germline deletions as well as recombination-mediated somatic DNA repair. Residual DOCK8 protein contributes to the variable disease phenotype. The severe virus infections of the skin, and probably also VZV-associated vasculopathy, reflect an important function of DOCK8, which is normally required to maintain lymphocyte shape integrity as the cells migrate through dense tissues. Loss of DOCK8 also causes immune deficits through other mechanisms including a milder generalized cell survival defect and skewing of T helper cell subsets. Recent work has uncovered the roles for DOCK8 in dendritic cell responses that can also help explain the virus susceptibility, as well as in regulatory T cells that might help explain autoimmunity in a minority of patients. Fortunately, hematopoietic stem cell transplantation cures the eczema and infection susceptibility of DIDS, but not necessarily the other disease manifestations including food allergies.
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Affiliation(s)
- Helen C. Su
- Laboratory of Clinical Immunology and Microbiology, National Institute of Allergy and Infectious Diseases, National Institutes of Health
| | - Huie Jing
- Laboratory of Clinical Immunology and Microbiology, National Institute of Allergy and Infectious Diseases, National Institutes of Health
| | - Pam Angelus
- Clinical Monitoring Research Program Directorate, Frederick National Laboratory for Cancer Research, National Cancer Institute, National Institutes of Health
| | - Alexandra F. Freeman
- Laboratory of Clinical Immunology and Microbiology, National Institute of Allergy and Infectious Diseases, National Institutes of Health
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39
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Wilton KM, Billadeau DD. VASP Regulates NK Cell Lytic Granule Convergence. THE JOURNAL OF IMMUNOLOGY 2018; 201:2899-2909. [PMID: 30282752 DOI: 10.4049/jimmunol.1800254] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/22/2018] [Accepted: 09/07/2018] [Indexed: 11/19/2022]
Abstract
NK cells eliminate viral-infected and malignant cells through a highly orchestrated series of cytoskeletal rearrangements, resulting in the release of cytolytic granule contents toward the target cell. Central to this process is the convergence of cytolytic granules to a common point, the microtubule-organizing center (MTOC), before delivery to the synapse. In this study, we show that vasodialator-stimulated phosphoprotein (VASP), an actin regulatory protein, localizes to the cytolytic synapse, but surprisingly, shows no impact on conjugate formation or synaptic actin accumulation despite being required for human NK cell-mediated killing. Interestingly, we also find that a pool of VASP copurifies with lytic granules and localizes with lytic granules at the MTOC. Significantly, depletion of VASP decreased lytic granule convergence without impacting MTOC polarization. Using the KHYG-1 cell line in which lytic granules are in a constitutively converged state, we find that either VASP depletion or F-actin destabilization promoted spreading of formerly converged granules. Our results demonstrate a novel requirement for VASP and actin polymerization in maintaining lytic granule convergence during NK cell-mediated killing.
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Affiliation(s)
- Katelynn M Wilton
- Department of Immunology, College of Medicine, Mayo Clinic, Rochester, MN 55905.,Medical Scientist Training Program, College of Medicine, Mayo Clinic, Rochester, MN 55905; and
| | - Daniel D Billadeau
- Department of Immunology, College of Medicine, Mayo Clinic, Rochester, MN 55905; .,Division of Oncology, College of Medicine, Mayo Clinic, Rochester, MN 55905
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40
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Abel AM, Yang C, Thakar MS, Malarkannan S. Natural Killer Cells: Development, Maturation, and Clinical Utilization. Front Immunol 2018; 9:1869. [PMID: 30150991 PMCID: PMC6099181 DOI: 10.3389/fimmu.2018.01869] [Citation(s) in RCA: 625] [Impact Index Per Article: 104.2] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2018] [Accepted: 07/30/2018] [Indexed: 12/25/2022] Open
Abstract
Natural killer (NK) cells are the predominant innate lymphocyte subsets that mediate anti-tumor and anti-viral responses, and therefore possess promising clinical utilization. NK cells do not express polymorphic clonotypic receptors and utilize inhibitory receptors (killer immunoglobulin-like receptor and Ly49) to develop, mature, and recognize “self” from “non-self.” The essential roles of common gamma cytokines such as interleukin (IL)-2, IL-7, and IL-15 in the commitment and development of NK cells are well established. However, the critical functions of pro-inflammatory cytokines IL-12, IL-18, IL-27, and IL-35 in the transcriptional-priming of NK cells are only starting to emerge. Recent studies have highlighted multiple shared characteristics between NK cells the adaptive immune lymphocytes. NK cells utilize unique signaling pathways that offer exclusive ways to genetically manipulate to improve their effector functions. Here, we summarize the recent advances made in the understanding of how NK cells develop, mature, and their potential translational use in the clinic.
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Affiliation(s)
- Alex M Abel
- Laboratory of Molecular Immunology and Immunotherapy, Blood Research Institute, Blood Center of Wisconsin, Milwaukee, WI, United States.,Department of Microbiology and Immunology, Medical College of Wisconsin, Milwaukee, WI, United States
| | - Chao Yang
- Laboratory of Molecular Immunology and Immunotherapy, Blood Research Institute, Blood Center of Wisconsin, Milwaukee, WI, United States.,Department of Microbiology and Immunology, Medical College of Wisconsin, Milwaukee, WI, United States
| | - Monica S Thakar
- Laboratory of Molecular Immunology and Immunotherapy, Blood Research Institute, Blood Center of Wisconsin, Milwaukee, WI, United States.,Department of Pediatrics, Medical College of Wisconsin, Milwaukee, WI, United States
| | - Subramaniam Malarkannan
- Laboratory of Molecular Immunology and Immunotherapy, Blood Research Institute, Blood Center of Wisconsin, Milwaukee, WI, United States.,Department of Microbiology and Immunology, Medical College of Wisconsin, Milwaukee, WI, United States.,Department of Pediatrics, Medical College of Wisconsin, Milwaukee, WI, United States.,Department of Medicine, Medical College of Wisconsin, Milwaukee, WI, United States.,Center of Excellence in Prostate Cancer, Medical College of Wisconsin, Milwaukee, WI, United States
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41
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Zhang Q, Boisson B, Béziat V, Puel A, Casanova JL. Human hyper-IgE syndrome: singular or plural? Mamm Genome 2018; 29:603-617. [PMID: 30094507 PMCID: PMC6317873 DOI: 10.1007/s00335-018-9767-2] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2018] [Accepted: 08/02/2018] [Indexed: 12/15/2022]
Abstract
Spectacular progress has been made in the characterization of human hyper-IgE syndrome (HIES) over the last 50 years. HIES is a primary immunodeficiency defined as an association of atopy in a context of very high serum IgE levels, characteristic bacterial and fungal diseases, low-level clinical and biological inflammation, and various non-hematopoietic developmental manifestations. Somewhat arbitrarily, three disorders were successively put forward as the underlying cause of HIES: autosomal dominant (AD) STAT3 deficiency, the only disorder corresponding to the original definition of HIES, and autosomal recessive (AR) DOCK8 and PGM3 deficiencies, in which atopy and high serum IgE levels occur in a context of manifestations not seen in patients with typical HIES. Indeed, these three disorders disrupt different molecular pathways, affect different cell types, and underlie different clinical phenotypes. Surprisingly, several other inherited inborn errors of immunity in which serum IgE levels are high, sometimes almost as high as those in HIES patients, are not considered to belong to the HIES group of diseases. Studies of HIES have been further complicated by the lack of a high serum IgE phenotype in all mouse models of the disease other than two Stat3 mutant strains. The study of infections in mutant mice has helped elucidate only some forms of HIES and infection. Mouse models of these conditions have also been used to study non-hematopoietic phenotypes for STAT3 deficiency, tissue-specific immunity for DOCK8 deficiency, and cell lineage maturation for PGM3 deficiency. We review here the history of the field of HIES since the first clinical description of this condition in 1966, together with the three disorders commonly referred to as HIES, focusing, in particular, on their mouse models. We propose the restriction of the term "HIES" to patients with an AD STAT3-deficiency phenotype, including the most recently described AR ZNF341 deficiency, thus excluding AR DOCK8 and PGM3 deficiencies from the definition of this disease.
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Affiliation(s)
- Qian Zhang
- St Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, Rockefeller University, New York, NY, USA.
| | - Bertrand Boisson
- St Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, Rockefeller University, New York, NY, USA
- Laboratory of Human Genetics of Infectious Diseases, Necker Branch, INSERM U1163, Paris, France
- Paris Descartes University, Imagine Institute, Paris, France
| | - Vivien Béziat
- Laboratory of Human Genetics of Infectious Diseases, Necker Branch, INSERM U1163, Paris, France
- Paris Descartes University, Imagine Institute, Paris, France
| | - Anne Puel
- St Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, Rockefeller University, New York, NY, USA
- Laboratory of Human Genetics of Infectious Diseases, Necker Branch, INSERM U1163, Paris, France
- Paris Descartes University, Imagine Institute, Paris, France
| | - Jean-Laurent Casanova
- St Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, Rockefeller University, New York, NY, USA
- Laboratory of Human Genetics of Infectious Diseases, Necker Branch, INSERM U1163, Paris, France
- Paris Descartes University, Imagine Institute, Paris, France
- Pediatric Hematology-Immunology Unit, Necker Hospital for Sick Children, AP-HP, 75015, Paris, France
- Howard Hughes Medical Institute, New York, NY, USA
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42
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Broides A, Mandola AB, Levy J, Yerushalmi B, Pinsk V, Eldan M, Shubinsky G, Hadad N, Levy R, Nahum A, Ben-Harosh M, Lev A, Simon A, Somech R. The clinical and laboratory spectrum of dedicator of cytokinesis 8 immunodeficiency syndrome in patients with a unique mutation. Immunol Res 2018; 65:651-657. [PMID: 28070732 DOI: 10.1007/s12026-016-8883-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
Mutations in the dedicator of cytokinesis 8 (DOCK8) gene cause a combined immunodeficiency usually diagnosed as autosomal recessive hyper IgE syndrome. We sought to reveal the varying manifestations in patients with a unique mutation in DOCK8 gene by a retrospective medical record review. Ten patients from five consanguineous families and three tribes were included. Seven patients were homozygous for the c.C5134A, p.S1711X mutation, and the remaining three patients were their siblings manifesting hyper IgE syndrome features without a genetic diagnosis. Prior to the genetic diagnosis, the clinical diagnosis was "hyper IgE syndrome" in six patients and "anti-pneumococcal antibody deficiency," "recurrent pneumonia with bronchiectasis," and "asthma with hypereosinophilic syndrome" each diagnosed once. One additional patient was diagnosed due to family history. The age of presentation varied from 1 to 16 months. Eczema was diagnosed in all patients, food allergies in three, and severe herpes keratitis or malignancy or autoimmunity in two patients. Elevated IgE was recorded in nine patients; however, in six patients, the initial serum IgE concentration was equal to or less than three times the normal concentration for age, and in these patients, the median age at IgE evaluation was 7.5 months compared with 21.5 months in patients with an initial IgE concentration above three times the normal concentration for age (P = 0.067). The spectrum of disease manifestations in patients with a unique mutation in DOCK8 is variable. The genotype-phenotype correlations may be modified by genetic and/or epigenetic modifiers beyond the monogenic effect. Younger patients tend to have lower IgE concentrations at the initial measurement of IgE.
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Affiliation(s)
- Arnon Broides
- Pediatric Immunology Clinic, Soroka University Medical Center, Faculty of Health Science, Ben-Gurion University of the Negev. POB151, Beer Sheva, 84101, Israel. .,Soroka University Medical Center, Beer Sheva, Israel. .,Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer Sheva, Israel.
| | - Amarilla B Mandola
- Pediatric Immunology Clinic, Soroka University Medical Center, Faculty of Health Science, Ben-Gurion University of the Negev. POB151, Beer Sheva, 84101, Israel.,Soroka University Medical Center, Beer Sheva, Israel.,Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer Sheva, Israel
| | - Jacov Levy
- Pediatric Immunology Clinic, Soroka University Medical Center, Faculty of Health Science, Ben-Gurion University of the Negev. POB151, Beer Sheva, 84101, Israel.,Soroka University Medical Center, Beer Sheva, Israel.,Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer Sheva, Israel
| | - Baruch Yerushalmi
- Soroka University Medical Center, Beer Sheva, Israel.,Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer Sheva, Israel.,Pediatric Ambulatory Care Unit, Soroka University Medical Center, Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer Sheva, Israel
| | - Vered Pinsk
- Soroka University Medical Center, Beer Sheva, Israel.,Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer Sheva, Israel.,Pediatric Ambulatory Care Unit, Soroka University Medical Center, Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer Sheva, Israel
| | - Michal Eldan
- Tel-Sheva Clinic, Clalit Health Services, Tel-Sheva, Israel
| | - George Shubinsky
- Soroka University Medical Center, Beer Sheva, Israel.,Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer Sheva, Israel.,Flow Cytometry Unit, Hematology Laboratory, Soroka University Medical Center, Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer Sheva, Israel
| | - Nurit Hadad
- Soroka University Medical Center, Beer Sheva, Israel.,Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer Sheva, Israel.,Immunology and Infectious Disease Laboratory, Department of Clinical Biochemistry, Soroka University Medical Center, Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer Sheva, Israel
| | - Rachel Levy
- Soroka University Medical Center, Beer Sheva, Israel.,Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer Sheva, Israel.,Immunology and Infectious Disease Laboratory, Department of Clinical Biochemistry, Soroka University Medical Center, Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer Sheva, Israel
| | - Amit Nahum
- Pediatric Immunology Clinic, Soroka University Medical Center, Faculty of Health Science, Ben-Gurion University of the Negev. POB151, Beer Sheva, 84101, Israel.,Soroka University Medical Center, Beer Sheva, Israel.,Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer Sheva, Israel.,Pediatric Department A, Soroka University Medical Center, Beer Sheva, Israel
| | - Miriam Ben-Harosh
- Soroka University Medical Center, Beer Sheva, Israel.,Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer Sheva, Israel.,Pediatric Hemato-Oncology Department, Soroka University Medical Center, Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer Sheva, Israel
| | - Atar Lev
- Pediatric Immunology, Safra Children's Hospital, Sheba Medical Center, Tel Aviv University, Tel Hashomer, Israel
| | - Amos Simon
- Pediatric Immunology, Safra Children's Hospital, Sheba Medical Center, Tel Aviv University, Tel Hashomer, Israel
| | - Raz Somech
- Pediatric Immunology, Safra Children's Hospital, Sheba Medical Center, Tel Aviv University, Tel Hashomer, Israel.,Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
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43
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Mace EM. Phosphoinositide-3-Kinase Signaling in Human Natural Killer Cells: New Insights from Primary Immunodeficiency. Front Immunol 2018; 9:445. [PMID: 29563913 PMCID: PMC5845875 DOI: 10.3389/fimmu.2018.00445] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2018] [Accepted: 02/19/2018] [Indexed: 12/19/2022] Open
Abstract
Human natural killer (NK) cells play a critical role in the control of viral infections and malignancy. Their importance in human health and disease is illustrated by severe viral infections in patients with primary immunodeficiencies that affect NK cell function and/or development. The recent identification of patients with phosphoinositide-3-kinase (PI3K)-signaling pathway mutations that can cause primary immunodeficiency provides valuable insight into the role that PI3K signaling plays in human NK cell maturation and lytic function. There is a rich literature that demonstrates a requirement for PI3K in multiple key aspects of NK cell biology, including development/maturation, homing, priming, and function. Here, I briefly review these previous studies and place them in context with recent findings from the study of primary immunodeficiency patients, particularly those with hyperactivating mutations in PI3Kδ signaling.
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Affiliation(s)
- Emily M Mace
- Department of Pediatrics, Baylor College of Medicine, Center for Human Immunobiology, Texas Children's Hospital, Houston, TX, United States
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44
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Ruiz-García R, Vargas-Hernández A, Chinn IK, Angelo LS, Cao TN, Coban-Akdemir Z, Jhangiani SN, Meng Q, Forbes LR, Muzny DM, Allende LM, Ehlayel MS, Gibbs RA, Lupski JR, Uzel G, Orange JS, Mace EM. Mutations in PI3K110δ cause impaired natural killer cell function partially rescued by rapamycin treatment. J Allergy Clin Immunol 2018; 142:605-617.e7. [PMID: 29330011 DOI: 10.1016/j.jaci.2017.11.042] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2017] [Revised: 10/20/2017] [Accepted: 11/01/2017] [Indexed: 01/01/2023]
Abstract
BACKGROUND Heterozygous gain-of-function mutations in PI3K110δ lead to lymphadenopathy, lymphoid hyperplasia, EBV and cytomegalovirus viremia, and sinopulmonary infections. OBJECTIVE The known role of natural killer (NK) cell function in the control of EBV and cytomegalovirus prompted us to investigate the functional and phenotypic effects of PI3K110δ mutations on NK cell subsets and cytotoxic function. METHODS Mutations in patients were identified by using whole-exome or targeted sequencing. We performed NK cell phenotyping and functional analysis of patients' cells using flow cytometry, standard Cr51 cytotoxicity assays, and quantitative confocal microscopy. RESULTS PI3K110δ mutations led to an altered NK cell developmental phenotype and cytotoxic dysfunction. Impaired NK cell cytotoxicity was due to decreased conjugate formation with susceptible target cells and abrogated activation of cell machinery required for target cell killing. These defects were restored partially after initiation of treatment with rapamycin in 3 patients. CONCLUSION We describe novel NK cell functional deficiency caused by PI3K110δ mutation, which is a likely contributor to the severe viremia observed in these patients. Rapamycin treatment partially restores NK cell function, providing a further rationale for its use in patients with this disease.
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Affiliation(s)
- Raquel Ruiz-García
- Center for Human Immunobiology, Texas Children's Hospital, Houston, Tex; Servicio de Immunología, Hospital Universitario 12 de Octubre, Madrid, Spain
| | - Alexander Vargas-Hernández
- Center for Human Immunobiology, Texas Children's Hospital, Houston, Tex; Department of Pediatrics, Baylor College of Medicine, Houston, Tex
| | - Ivan K Chinn
- Center for Human Immunobiology, Texas Children's Hospital, Houston, Tex; Department of Pediatrics, Baylor College of Medicine, Houston, Tex
| | - Laura S Angelo
- Center for Human Immunobiology, Texas Children's Hospital, Houston, Tex; Department of Pediatrics, Baylor College of Medicine, Houston, Tex
| | - Tram N Cao
- Center for Human Immunobiology, Texas Children's Hospital, Houston, Tex
| | - Zeynep Coban-Akdemir
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, Tex; Human Genome Sequencing Center, Baylor College of Medicine, Houston, Tex
| | - Shalini N Jhangiani
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, Tex
| | - Qingchang Meng
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, Tex
| | - Lisa R Forbes
- Center for Human Immunobiology, Texas Children's Hospital, Houston, Tex; Department of Pediatrics, Baylor College of Medicine, Houston, Tex
| | - Donna M Muzny
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, Tex
| | - Luis M Allende
- Servicio de Immunología, Hospital Universitario 12 de Octubre, Madrid, Spain
| | - Mohammed S Ehlayel
- Department of Pediatrics, Section of Pediatric Allergy and Immunology, Hamad Medical Corporation, Doha, and Department of Pediatrics, Weill Cornell Medical College, Ar-Rayyan, Qatar
| | - Richard A Gibbs
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, Tex; Human Genome Sequencing Center, Baylor College of Medicine, Houston, Tex
| | - James R Lupski
- Department of Pediatrics, Baylor College of Medicine, Houston, Tex; Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, Tex; Human Genome Sequencing Center, Baylor College of Medicine, Houston, Tex
| | - Gulbu Uzel
- Laboratory of Clinical Infectious Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Md
| | - Jordan S Orange
- Center for Human Immunobiology, Texas Children's Hospital, Houston, Tex; Department of Pediatrics, Baylor College of Medicine, Houston, Tex
| | - Emily M Mace
- Center for Human Immunobiology, Texas Children's Hospital, Houston, Tex; Department of Pediatrics, Baylor College of Medicine, Houston, Tex.
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45
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Brunet BA, Rodriguez R. Unusual presentation of combined immunodeficiency in a child with homozygous DOCK8 mutation. Ann Allergy Asthma Immunol 2017; 119:294-295. [PMID: 28890024 DOI: 10.1016/j.anai.2017.07.011] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2017] [Revised: 07/06/2017] [Accepted: 07/06/2017] [Indexed: 12/29/2022]
Affiliation(s)
- Barbara A Brunet
- Divisions of Clinical Immunology and Allergy, Department of Medicine, University of Mississippi Medical Center, Jackson, Mississippi.
| | - Ray Rodriguez
- Divisions of Clinical Immunology and Allergy, Department of Pediatrics, University of Mississippi Medical Center, Jackson, Mississippi
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46
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Alroqi FJ, Charbonnier LM, Keles S, Ghandour F, Mouawad P, Sabouneh R, Mohammed R, Almutairi A, Chou J, Massaad MJ, Geha RS, Baz Z, Chatila TA. DOCK8 Deficiency Presenting as an IPEX-Like Disorder. J Clin Immunol 2017; 37:811-819. [PMID: 29058101 DOI: 10.1007/s10875-017-0451-1] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2017] [Accepted: 10/09/2017] [Indexed: 12/13/2022]
Abstract
PURPOSE The dedicator of cytokinesis 8 (DOCK8) deficiency is an autosomal recessive-combined immunodeficiency whose clinical spectra include recurrent infections, autoimmunity, malignancies, elevated serum IgE, eczema, and food allergies. Here, we report on patients with loss of function DOCK8 mutations with profound immune dysregulation suggestive of an immune dysregulation, polyendocrinopathy, enteropathy, X-linked (IPEX)-like disorder. METHODS Immunophenotyping of lymphocyte subpopulations and analysis of DOCK8 protein expression were evaluated by flow cytometry. T regulatory (Treg) cells were isolated by cell sorting, and their suppressive activity was analyzed by flow cytometry. Gene mutational analysis was performed by whole-exome and Sanger sequencing. RESULTS Patient 1 (P1) presented at 10 months of age with chronic severe diarrhea and active colitis in the absence of an infectious trigger, severe eczema with elevated serum IgE, and autoimmune hemolytic anemia, suggestive of an IPEX-related disorder. Whole-exome sequencing revealed a homozygous nonsense mutation in DOCK8 at the DOCK-homology region (DHR)-1 (c.1498C>T; p. R500X). Patient P2, a cousin of P1 who carries the same DOCK8 nonsense mutation, presented with eczema and recurrent ear infections in early infancy, and she developed persistent diarrhea by 3 years of age. Patient P3 presented with lymphoproliferation, severe eczema with allergic dysregulation, and chronic diarrhea with colitis. She harbored a homozygous loss of function DOCK8 mutation (c.2402 -1G→A). Treg cell function was severely compromised by both DOCK8 mutations. CONCLUSION DOCK8 deficiency may present severe immune dysregulation with features that may overlap with those of IPEX and other IPEX-like disorders.
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Affiliation(s)
- Fayhan J Alroqi
- Division of Immunology, Boston Children's Hospital and Department of Pediatrics, Harvard Medical School, Karp Family Building, Room 10-214. 1 Blackfan Street, Boston, MA, 02115, USA
- Department of Pediatrics, King Abdulaziz Medical City, King Saud bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia
| | - Louis-Marie Charbonnier
- Division of Immunology, Boston Children's Hospital and Department of Pediatrics, Harvard Medical School, Karp Family Building, Room 10-214. 1 Blackfan Street, Boston, MA, 02115, USA
| | - Sevgi Keles
- Division of Pediatric Allergy and Immunology, Necmettin Erbakan University, Konya, Turkey
| | - Fatima Ghandour
- Department of Pathology, St George Hospital University Medical Center, Beirut, Lebanon
| | - Pierre Mouawad
- Department of Pediatrics, St George Hospital University Medical Center, Beirut, Lebanon
| | - Rami Sabouneh
- Department of Pediatrics, St George Hospital University Medical Center, Beirut, Lebanon
| | - Reem Mohammed
- Department of Pediatrics, King Abdulaziz Medical City, King Saud bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia
| | - Abduarahman Almutairi
- Department of Pediatrics, King Abdulaziz Medical City, King Saud bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia
| | - Janet Chou
- Division of Immunology, Boston Children's Hospital and Department of Pediatrics, Harvard Medical School, Karp Family Building, Room 10-214. 1 Blackfan Street, Boston, MA, 02115, USA
| | - Michel J Massaad
- Division of Immunology, Boston Children's Hospital and Department of Pediatrics, Harvard Medical School, Karp Family Building, Room 10-214. 1 Blackfan Street, Boston, MA, 02115, USA
| | - Raif S Geha
- Division of Immunology, Boston Children's Hospital and Department of Pediatrics, Harvard Medical School, Karp Family Building, Room 10-214. 1 Blackfan Street, Boston, MA, 02115, USA
| | - Zeina Baz
- Department of Pediatrics, St George Hospital University Medical Center, Beirut, Lebanon
| | - Talal A Chatila
- Division of Immunology, Boston Children's Hospital and Department of Pediatrics, Harvard Medical School, Karp Family Building, Room 10-214. 1 Blackfan Street, Boston, MA, 02115, USA.
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47
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Janssen E, Kumari S, Tohme M, Ullas S, Barrera V, Tas JM, Castillo-Rama M, Bronson RT, Usmani SM, Irvine DJ, Mempel TR, Geha RS. DOCK8 enforces immunological tolerance by promoting IL-2 signaling and immune synapse formation in Tregs. JCI Insight 2017; 2:94298. [PMID: 28978806 DOI: 10.1172/jci.insight.94298] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2017] [Accepted: 08/29/2017] [Indexed: 12/29/2022] Open
Abstract
Patients deficient in the guanine nucleotide exchange factor DOCK8 have decreased numbers and impaired in vitro function of Tregs and make autoantibodies, but they seldom develop autoimmunity. We show that, similarly, Dock8-/- mice have decreased numbers and impaired in vitro function of Tregs but do not develop autoimmunity. In contrast, mice with selective DOCK8 deficiency in Tregs develop lymphoproliferation, autoantibodies, and gastrointestinal inflammation, despite a normal percentage and in vitro function of Tregs, suggesting that deficient T effector cell function might protect DOCK8-deficient patients from autoimmunity. We demonstrate that DOCK8 associates with STAT5 and is important for IL-2-driven STAT5 phosphorylation in Tregs. DOCK8 localizes within the lamellar actin ring of the Treg immune synapse (IS). Dock8-/- Tregs have abnormal TCR-driven actin dynamics, decreased adhesiveness, an altered gene expression profile, an unstable IS with decreased recruitment of signaling molecules, and impaired transendocytosis of the costimulatory molecule CD86. These data suggest that DOCK8 enforces immunological tolerance by promoting IL-2 signaling, TCR-driven actin dynamics, and the IS in Tregs.
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Affiliation(s)
- Erin Janssen
- Division of Immunology, Boston Children's Hospital, Department of Pediatrics, Harvard Medical School, Boston, Massachusetts, USA
| | - Sudha Kumari
- Department of Bioengineering and Koch Institute of Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, Massachusetts, USA
| | - Mira Tohme
- Division of Immunology, Boston Children's Hospital, Department of Pediatrics, Harvard Medical School, Boston, Massachusetts, USA
| | - Sumana Ullas
- Division of Immunology, Boston Children's Hospital, Department of Pediatrics, Harvard Medical School, Boston, Massachusetts, USA
| | - Victor Barrera
- Harvard T.H. Chan School of Public Health, Boston, Massachusetts, USA
| | - Jeroen Mj Tas
- Center for Immunology and Inflammatory Diseases, Massachusetts General Hospital, Boston, Massachusetts, USA; Department of Medicine, Harvard Medical School, Boston, Massachusetts, USA
| | - Marcela Castillo-Rama
- Division of Immunology, Boston Children's Hospital, Department of Pediatrics, Harvard Medical School, Boston, Massachusetts, USA
| | - Roderick T Bronson
- Dana-Farber Cancer Institute, Harvard Medical School, Boston, Massachusetts, USA
| | - Shariq M Usmani
- Center for Immunology and Inflammatory Diseases, Massachusetts General Hospital, Boston, Massachusetts, USA; Department of Medicine, Harvard Medical School, Boston, Massachusetts, USA
| | - Darrell J Irvine
- Department of Bioengineering and Koch Institute of Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, Massachusetts, USA
| | - Thorsten R Mempel
- Center for Immunology and Inflammatory Diseases, Massachusetts General Hospital, Boston, Massachusetts, USA; Department of Medicine, Harvard Medical School, Boston, Massachusetts, USA
| | - Raif S Geha
- Division of Immunology, Boston Children's Hospital, Department of Pediatrics, Harvard Medical School, Boston, Massachusetts, USA
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48
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Kearney CJ, Vervoort SJ, Ramsbottom KM, Freeman AJ, Michie J, Peake J, Casanova JL, Picard C, Tangye SG, Ma CS, Johnstone RW, Randall KL, Oliaro J. DOCK8 Drives Src-Dependent NK Cell Effector Function. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2017; 199:ji1700751. [PMID: 28794229 DOI: 10.4049/jimmunol.1700751] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/24/2017] [Accepted: 07/12/2017] [Indexed: 01/05/2023]
Abstract
Mutations in the dedicator of cytokinesis 8 (DOCK8) gene cause an autosomal recessive form of hyper-IgE syndrome, characterized by chronic immunodeficiency with persistent microbial infection and increased incidence of malignancy. These manifestations suggest a defect in cytotoxic lymphocyte function and immune surveillance. However, how DOCK8 regulates NK cell-driven immune responses remains unclear. In this article, we demonstrate that DOCK8 regulates NK cell cytotoxicity and cytokine production in response to target cell engagement or receptor ligation. Genetic ablation of DOCK8 in human NK cells attenuated cytokine transcription and secretion through inhibition of Src family kinase activation, particularly Lck, downstream of target cell engagement or NKp30 ligation. PMA/Ionomycin treatment of DOCK8-deficient NK cells rescued cytokine production, indicating a defect proximal to receptor ligation. Importantly, NK cells from DOCK8-deficient patients had attenuated production of IFN-γ and TNF-α upon NKp30 stimulation. Taken together, we reveal a novel molecular mechanism by which DOCK8 regulates NK cell-driven immunity.
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Affiliation(s)
- Conor J Kearney
- Immune Defence Laboratory, Cancer Immunology Division, Peter MacCallum Cancer Centre, Melbourne, Victoria 3000, Australia
- Sir Peter MacCallum Department of Oncology, The University of Melbourne, Parkville, Victoria 3052, Australia
| | - Stephin J Vervoort
- Gene Regulation Laboratory, Cancer Therapeutics Division, Peter MacCallum Cancer Centre, Melbourne, Victoria 3000, Australia
| | - Kelly M Ramsbottom
- Immune Defence Laboratory, Cancer Immunology Division, Peter MacCallum Cancer Centre, Melbourne, Victoria 3000, Australia
| | - Andrew J Freeman
- Immune Defence Laboratory, Cancer Immunology Division, Peter MacCallum Cancer Centre, Melbourne, Victoria 3000, Australia
| | - Jessica Michie
- Immune Defence Laboratory, Cancer Immunology Division, Peter MacCallum Cancer Centre, Melbourne, Victoria 3000, Australia
| | - Jane Peake
- University of Queensland and Lady Cilento Children's Hospital, Brisbane, Queensland 4006, Australia
| | - Jean-Laurent Casanova
- Laboratory of Human Genetics of Infectious Diseases, Necker Branch, INSERM U1163, Imagine Institute, Necker Medical School, University Paris Descartes, 75015 Paris, France
- Pediatric Hematology and Immunology Unit, Necker Hospital for Sick Children, AP-HP, Paris, France
- St. Giles Laboratory of Human Genetics and Infectious Diseases, Rockefeller Branch, The Rockefeller University, New York, NY 10065
- Howard Hughes Medical Institute, New York, NY 10065
| | - Capucine Picard
- Laboratory of Human Genetics of Infectious Diseases, Necker Branch, INSERM U1163, Imagine Institute, Necker Medical School, University Paris Descartes, 75015 Paris, France
- St. Giles Laboratory of Human Genetics and Infectious Diseases, Rockefeller Branch, The Rockefeller University, New York, NY 10065
- Study Center for Primary Immunodeficiencies, Necker Hospital for Sick Children, AP-HP, 75015 Paris, France
| | - Stuart G Tangye
- Immunology Division, Garvan Institute of Medical Research, Darlinghurst, New South Wales 2010, Australia
- St. Vincent's Clinical School, University of New South Wales, New South Wales 2052, Australia
| | - Cindy S Ma
- Immunology Division, Garvan Institute of Medical Research, Darlinghurst, New South Wales 2010, Australia
- St. Vincent's Clinical School, University of New South Wales, New South Wales 2052, Australia
| | - Ricky W Johnstone
- Sir Peter MacCallum Department of Oncology, The University of Melbourne, Parkville, Victoria 3052, Australia
- Gene Regulation Laboratory, Cancer Therapeutics Division, Peter MacCallum Cancer Centre, Melbourne, Victoria 3000, Australia
| | - Katrina L Randall
- Department of Immunology and Infectious Disease, The John Curtin School of Medical Research, Australian National University, Acton, Australian Capital Territory 2601, Australia; and
- Australian National University Medical School, Australian National University, Acton, Australian Capital Territory 2601, Australia
| | - Jane Oliaro
- Immune Defence Laboratory, Cancer Immunology Division, Peter MacCallum Cancer Centre, Melbourne, Victoria 3000, Australia;
- Sir Peter MacCallum Department of Oncology, The University of Melbourne, Parkville, Victoria 3052, Australia
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49
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Mukherjee M, Mace EM, Carisey AF, Ahmed N, Orange JS. Quantitative Imaging Approaches to Study the CAR Immunological Synapse. Mol Ther 2017; 25:1757-1768. [PMID: 28663103 DOI: 10.1016/j.ymthe.2017.06.003] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2016] [Revised: 06/03/2017] [Accepted: 06/04/2017] [Indexed: 01/11/2023] Open
Abstract
The lytic immunological synapse (IS) is a discrete structural entity formed after the ligation of specific activating receptors that leads to the destruction of a cancerous cell. The formation of an effector cell IS in cytotoxic T lymphocytes or natural killer cells is a hierarchical and stepwise rearrangement of structural and signaling components and targeted release of the contents of lytic granules. While recent advances in the generation and testing of cytotoxic lymphocytes expressing chimeric antigen receptors (CARs) has demonstrated their efficacy in the targeted lysis of tumor targets, the contribution and dynamics of IS components have not yet been extensively investigated in the context of engineered CAR cells. Understanding the biology of the CAR IS will be a powerful approach to efficiently guide the engineering of new CARs and help identify mechanistic problems in existing CARs. Here, we review the formation of the lytic IS and describe quantitative imaging-based measurements using multiple microscopy techniques at a single cell level that can be used in conjunction with established population-based assays to provide insight into the important cytotoxic function of CAR cells. The inclusion of this approach in the pipeline of CAR product design could be a novel and valuable innovation for the field.
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Affiliation(s)
- Malini Mukherjee
- Department of Pediatrics, Baylor College of Medicine, Houston, TX 77025, USA; Cell and Gene Therapy, Baylor College of Medicine, Houston, TX 77025, USA; Center for Human Immunobiology, Texas Children's Hospital, Houston, TX 77030, USA.
| | - Emily M Mace
- Department of Pediatrics, Baylor College of Medicine, Houston, TX 77025, USA; Center for Human Immunobiology, Texas Children's Hospital, Houston, TX 77030, USA
| | - Alexandre F Carisey
- Department of Pediatrics, Baylor College of Medicine, Houston, TX 77025, USA; Center for Human Immunobiology, Texas Children's Hospital, Houston, TX 77030, USA
| | - Nabil Ahmed
- Department of Pediatrics, Baylor College of Medicine, Houston, TX 77025, USA; Cell and Gene Therapy, Baylor College of Medicine, Houston, TX 77025, USA
| | - Jordan S Orange
- Department of Pediatrics, Baylor College of Medicine, Houston, TX 77025, USA; Cell and Gene Therapy, Baylor College of Medicine, Houston, TX 77025, USA; Center for Human Immunobiology, Texas Children's Hospital, Houston, TX 77030, USA
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50
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Biggs CM, Keles S, Chatila TA. DOCK8 deficiency: Insights into pathophysiology, clinical features and management. Clin Immunol 2017. [PMID: 28625885 DOI: 10.1016/j.clim.2017.06.003] [Citation(s) in RCA: 102] [Impact Index Per Article: 14.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
Dedicator of cytokinesis 8 (DOCK8) deficiency is a combined immunodeficiency that exemplifies the broad clinical features of primary immunodeficiencies (PIDs), extending beyond recurrent infections to include atopy, autoimmunity and cancer. It is caused by loss of function mutations in DOCK8, encoding a guanine nucleotide exchange factor highly expressed in lymphocytes that regulates the actin cytoskeleton. Additional roles of DOCK8 have also emerged, including regulating MyD88-dependent Toll-like receptor signaling and the activation of the transcription factor STAT3. DOCK8 deficiency impairs immune cell migration, function and survival, and it impacts both innate and adaptive immune responses. Clinically, DOCK8 deficiency is characterized by allergic inflammation as well as susceptibility towards infections, autoimmunity and malignancy. This review details the pathophysiology, clinical features and management of DOCK8 deficiency. It also surveys the recently discovered combined immunodeficiency due to DOCK2 deficiency, highlighting in the process the emerging spectrum of PIDs resulting from DOCK protein family abnormalities.
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Affiliation(s)
- Catherine M Biggs
- Division of Immunology, Boston Children's Hospital, Department of Pediatrics, Harvard Medical School, Boston, MA, USA; Department of Pediatrics, British Columbia Children's Hospital, University of British Columbia, Vancouver, BC, Canada
| | - Sevgi Keles
- Division of Pediatric Allergy and Immunology, Meram Medical Faculty, Necmettin Erbakan University, Konya, Turkey
| | - Talal A Chatila
- Division of Immunology, Boston Children's Hospital, Department of Pediatrics, Harvard Medical School, Boston, MA, USA.
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