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Wouters M, Ehlers L, Dzhus M, Kienapfel V, Bucciol G, Delafontaine S, Hombrouck A, Pillay B, Moens L, Meyts I. Human ADA2 Deficiency: Ten Years Later. Curr Allergy Asthma Rep 2024; 24:477-484. [PMID: 38970744 PMCID: PMC11364588 DOI: 10.1007/s11882-024-01163-9] [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] [Accepted: 06/26/2024] [Indexed: 07/08/2024]
Abstract
PURPOSE OF REVIEW In this review, an update is provided on the current knowledge and pending questions about human adenosine deaminase type 2 deficiency. Patients have vasculitis, immunodeficiency and some have bone marrow failure. Although the condition was described ten years ago, the pathophysiology is incompletely understood RECENT FINDINGS: Endothelial instability due to increased proinflammatory macrophage development is key to the pathophysiology. However, the physiological role of ADA2 is a topic of debate as it is hypothesized that ADA2 fulfils an intracellular role. Increasing our knowledge is urgently needed to design better treatments for the bone marrow failure. Indeed, TNFi treatment has been successful in treating DADA2, except for the bone marrow failure. Major advances have been made in our understanding of DADA2. More research is needed into the physiological role of ADA2.
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Affiliation(s)
- Marjon Wouters
- Laboratory for Inborn Errors of Immunity, Microbiology Immunology and Transplantation, KU Leuven, Louvain, Belgium.
| | - Lisa Ehlers
- Laboratory for Inborn Errors of Immunity, Microbiology Immunology and Transplantation, KU Leuven, Louvain, Belgium
| | - Mariia Dzhus
- Laboratory for Inborn Errors of Immunity, Microbiology Immunology and Transplantation, KU Leuven, Louvain, Belgium
| | - Verena Kienapfel
- Laboratory for Inborn Errors of Immunity, Microbiology Immunology and Transplantation, KU Leuven, Louvain, Belgium
| | - Giorgia Bucciol
- Laboratory for Inborn Errors of Immunity, Microbiology Immunology and Transplantation, KU Leuven, Louvain, Belgium
- Department of Pediatrics, University Hospitals Leuven, Herestraat 49, 3000, Louvain, Belgium
| | - Selket Delafontaine
- Laboratory for Inborn Errors of Immunity, Microbiology Immunology and Transplantation, KU Leuven, Louvain, Belgium
| | - Anneleen Hombrouck
- Laboratory for Inborn Errors of Immunity, Microbiology Immunology and Transplantation, KU Leuven, Louvain, Belgium
| | - Bethany Pillay
- Laboratory for Inborn Errors of Immunity, Microbiology Immunology and Transplantation, KU Leuven, Louvain, Belgium
| | - Leen Moens
- Laboratory for Inborn Errors of Immunity, Microbiology Immunology and Transplantation, KU Leuven, Louvain, Belgium
| | - Isabelle Meyts
- Laboratory for Inborn Errors of Immunity, Microbiology Immunology and Transplantation, KU Leuven, Louvain, Belgium
- Department of Pediatrics, University Hospitals Leuven, Herestraat 49, 3000, Louvain, Belgium
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2
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Cai Q, Feng F, Tian Y, Luo R, Mu D, Yang F, Yang Z, Zhou Z. A case report on deficiency of adenosine deaminase 2 with relapse-remission course and analysis of genotype-phenotype correlation. Am J Med Genet A 2024; 194:e63568. [PMID: 38353426 DOI: 10.1002/ajmg.a.63568] [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: 09/06/2023] [Revised: 01/25/2024] [Accepted: 02/02/2024] [Indexed: 05/02/2024]
Abstract
Deficiency of adenosine deaminase 2 (DADA2) is a monogenic disease caused by biallelic mutations in adenosine deaminase 2 (ADA2). The varying phenotypes of the disease often lead to delayed diagnosis or misdiagnosis. We report an 11-year-old boy with DADA2 and provide a preliminary analysis of genotype-phenotype correlation. The age of onset of the disease was 8 years old. The disease successively involved the brainstem, muscles, joints, and cerebrum. After three relapse-remission episodes over 3 years, the patient was finally diagnosed with DADA2 by whole-exome sequencing. Compound heterozygous variants in the ADA2 gene (NM_001282225.2: c.1072G>A, p.Gly358Arg; c.419dupC, p.Arg141Lysfs*37) were found in the patient. He did not receive anti-TNF therapy and had no relapse after a 8-month follow-up. We identified a novel variant of the ADA2 gene, and the associated disease course may follow a relapse-remission pattern. Homozygous mutations of p.Gly358Arg can cause pure red cell aplasia, whereas compound heterozygous variations may lead to different phenotypes. Variants in the catalytic domain and frameshift mutations may also cause relatively benign phenotypes besides causing hematological disorders. Further studies are needed to clarify the genotypic-phenotypic relationship of this disease.
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Affiliation(s)
- Qianyun Cai
- Department of Pediatrics, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, China
- Department of Pediatrics, Key Laboratory of Obstetric & Gynecologic and Pediatric Diseases and Birth Defects of the Ministry of Education, Sichuan University, Chengdu, Sichuan, China
- Department of Pediatrics, Key Laboratory of Development and Maternal and Child Diseases of Sichuan Province, Sichuan University, Chengdu, Sichuan, China
| | - Fan Feng
- Department of Pediatrics, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, China
- Department of Pediatrics, Key Laboratory of Obstetric & Gynecologic and Pediatric Diseases and Birth Defects of the Ministry of Education, Sichuan University, Chengdu, Sichuan, China
- Department of Pediatrics, Key Laboratory of Development and Maternal and Child Diseases of Sichuan Province, Sichuan University, Chengdu, Sichuan, China
| | - Yanmei Tian
- Department of Pediatrics, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, China
- Department of Pediatrics, Key Laboratory of Obstetric & Gynecologic and Pediatric Diseases and Birth Defects of the Ministry of Education, Sichuan University, Chengdu, Sichuan, China
- Department of Pediatrics, Key Laboratory of Development and Maternal and Child Diseases of Sichuan Province, Sichuan University, Chengdu, Sichuan, China
| | - Rong Luo
- Department of Pediatrics, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, China
- Department of Pediatrics, Key Laboratory of Obstetric & Gynecologic and Pediatric Diseases and Birth Defects of the Ministry of Education, Sichuan University, Chengdu, Sichuan, China
- Department of Pediatrics, Key Laboratory of Development and Maternal and Child Diseases of Sichuan Province, Sichuan University, Chengdu, Sichuan, China
| | - Dezhi Mu
- Department of Pediatrics, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, China
- Department of Pediatrics, Key Laboratory of Obstetric & Gynecologic and Pediatric Diseases and Birth Defects of the Ministry of Education, Sichuan University, Chengdu, Sichuan, China
- Department of Pediatrics, Key Laboratory of Development and Maternal and Child Diseases of Sichuan Province, Sichuan University, Chengdu, Sichuan, China
| | | | | | - Zhongjie Zhou
- Department of Orthopedics, West China Hospital, Sichuan University, Chengdu, Sichuan, China
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3
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Verschoof MA, van Meenen LCC, Andriessen MVE, Brinkman DMC, Kamphuis S, Kuijpers TW, Leavis HL, Legger GE, Mulders‐Manders CM, de Pagter APJ, Rutgers A, van Well GTJ, Coutinho JM, Hak AE, van Montfrans JM, Klouwer FCC. Neurological phenotype of adenosine deaminase 2 deficient patients: a cohort study. Eur J Neurol 2024; 31:e16043. [PMID: 37584090 PMCID: PMC11235617 DOI: 10.1111/ene.16043] [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: 05/08/2023] [Revised: 07/22/2023] [Accepted: 08/11/2023] [Indexed: 08/17/2023]
Abstract
BACKGROUND AND PURPOSE Patients with adenosine deaminase 2 (ADA2) deficiency can present with various neurological manifestations due to vasculopathies and autoinflammation. These include ischaemic and hemorrhagic stroke, but less clearly defined neurological symptoms have also been reported. METHODS In this cohort study, patients with confirmed ADA2 deficiency from seven university hospitals in the Netherlands were included. The frequency and recurrence rates of neurological manifestations before and after initiation of tumor necrosis factor α (TNF-α) inhibiting therapy were analyzed. RESULTS Twenty-nine patients were included with a median age at presentation of 5 years (interquartile range 1-17). Neurological manifestations occurred in 19/29 (66%) patients and were the presenting symptom in 9/29 (31%) patients. Transient ischaemic attack (TIA)/ischaemic stroke occurred in 12/29 (41%) patients and was the presenting symptom in 8/29 (28%) patients. In total, 25 TIAs/ischaemic strokes occurred in 12 patients, one after initiation of TNF-α inhibiting therapy and one whilst switching between TNF-α inhibitors. None was large-vessel occlusion stroke. Two hemorrhagic strokes occurred: one aneurysmatic subarachnoid hemorrhage and one spontaneous intracerebral hemorrhage. Most neurological symptoms, including cranial nerve deficits, vertigo, ataxia and seizures, were caused by TIAs/ischaemic strokes and seldom recurred after initiation of TNF-α inhibiting therapy. CONCLUSIONS Neurological manifestations, especially TIA/ischaemic stroke, are common in patients with ADA2 deficiency and frequently are the presenting symptom. Because it is a treatable cause of young stroke, for which antiplatelet and anticoagulant therapy are considered contraindicated, awareness amongst neurologists and pediatricians is important. Screening for ADA2 deficiency in young patients with small-vessel ischaemic stroke without an identified cause should be considered.
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Affiliation(s)
| | | | - M. Valérie E. Andriessen
- Department of Pediatric Immunology and Infectious DiseasesUniversity Medical Center UtrechtUtrechtThe Netherlands
| | - Daniëlle M. C. Brinkman
- Department of PediatricsWillem‐Alexander Children's Hospital, Leiden University Medical CenterLeidenThe Netherlands
| | - Sylvia Kamphuis
- Department of Pediatric RheumatologySophia Children's Hospital, Erasmus University Medical Center RotterdamRotterdamThe Netherlands
| | - Taco W. Kuijpers
- Department of Pediatric Immunology and Infectious DiseasesAmsterdam UMC, University of AmsterdamAmsterdamThe Netherlands
| | - Helen L. Leavis
- Department of Rheumatology and Clinical ImmunologyUniversity Medical Center and Utrecht UniversityUtrechtThe Netherlands
| | - G. Elizabeth Legger
- Department of Pediatric Rheumatology and ImmunologyUniversity Groningen, University Medical Center GroningenGroningenThe Netherlands
| | - Catharina M. Mulders‐Manders
- Department of Internal Medicine, Radboud Expertise Center for Immunodeficiency and AutoinflammationRadboud University Medical CenterNijmegenThe Netherlands
| | - Anne P. J. de Pagter
- Department of PediatricsWillem‐Alexander Children's Hospital, Leiden University Medical CenterLeidenThe Netherlands
| | - Abraham Rutgers
- Department of Rheumatology and Clinical ImmunologyUniversity Groningen, University Medical Center GroningenGroningenThe Netherlands
| | - Gijs T. J. van Well
- Division of Pediatric Infectious Diseases, Immunology & Rheumatology, Department of PediatricsMaastricht University Medical CenterMaastrichtThe Netherlands
| | - Jonathan M. Coutinho
- Department of NeurologyAmsterdam UMC, University of AmsterdamAmsterdamThe Netherlands
| | - A. Elisabeth Hak
- Departments of Internal Medicine and Rheumatology and Clinical ImmunologyAmsterdam UMC, University of AmsterdamAmsterdamThe Netherlands
| | - Joris M. van Montfrans
- Department of Pediatric Immunology and Infectious DiseasesUniversity Medical Center UtrechtUtrechtThe Netherlands
| | - Femke C. C. Klouwer
- Department of NeurologyAmsterdam UMC, University of AmsterdamAmsterdamThe Netherlands
- Department of Pediatric NeurologyEmma Children's Hospital, Amsterdam UMC, University of AmsterdamAmsterdamThe Netherlands
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4
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Bucciol G, Ombrello AK, Chambers EP, Meyts I. Proposal for a Disease Activity Score and Disease Damage Score for ADA2 Deficiency: the DADA2AI and DADA2DI. J Clin Immunol 2023; 44:25. [PMID: 38129740 PMCID: PMC10739542 DOI: 10.1007/s10875-023-01638-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2023] [Accepted: 12/05/2023] [Indexed: 12/23/2023]
Affiliation(s)
- Giorgia Bucciol
- Laboratory of Inborn Errors of Immunity, Department of Microbiology, Immunology and Transplantation, KU Leuven, Leuven, Belgium
- Childhood Immunology, Department of Pediatrics, Leuven University Hospitals, Herestraat 49, 3000, Leuven, Belgium
| | - Amanda K Ombrello
- National Human Genome Research Institute, National Institutes of Health, Bethesda, MD, USA
| | - Eugene P Chambers
- Vanderbilt University, Nashville, TN, USA
- DADA2 Foundation, Nashville, TN, USA
| | - Isabelle Meyts
- Laboratory of Inborn Errors of Immunity, Department of Microbiology, Immunology and Transplantation, KU Leuven, Leuven, Belgium.
- Childhood Immunology, Department of Pediatrics, Leuven University Hospitals, Herestraat 49, 3000, Leuven, Belgium.
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5
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Zhang J, Lee PY, Aksentijevich I, Zhou Q. How to Build a Fire: The Genetics of Autoinflammatory Diseases. Annu Rev Genet 2023; 57:245-274. [PMID: 37562411 DOI: 10.1146/annurev-genet-030123-084224] [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] [Indexed: 08/12/2023]
Abstract
Systemic autoinflammatory diseases (SAIDs) are a heterogeneous group of disorders caused by excess activation of the innate immune system in an antigen-independent manner. Starting with the discovery of the causal gene for familial Mediterranean fever, more than 50 monogenic SAIDs have been described. These discoveries, paired with advances in immunology and genomics, have allowed our understanding of these diseases to improve drastically in the last decade. The genetic causes of SAIDs are complex and include both germline and somatic pathogenic variants that affect various inflammatory signaling pathways. We provide an overview of the acquired SAIDs from a genetic perspective and summarize the clinical phenotypes and mechanism(s) of inflammation, aiming to provide a comprehensive understanding of the pathogenesis of autoinflammatory diseases.
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Affiliation(s)
- Jiahui Zhang
- Life Sciences Institute, Zhejiang University, Hangzhou, China
| | - Pui Y Lee
- Division of Immunology, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Ivona Aksentijevich
- Inflammatory Disease Section, National Human Genome Research Institute, National Institutes of Health, Bethesda, Maryland, USA;
| | - Qing Zhou
- Life Sciences Institute, Zhejiang University, Hangzhou, China
- Liangzhu Laboratory, Zhejiang University Medical Center, Hangzhou, China;
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6
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Grim A, Veiga KR, Saad N. Deficiency of Adenosine Deaminase 2: Clinical Manifestations, Diagnosis, and Treatment. Rheum Dis Clin North Am 2023; 49:773-787. [PMID: 37821195 DOI: 10.1016/j.rdc.2023.06.004] [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] [Indexed: 10/13/2023]
Abstract
Deficiency of adenosine deaminase 2 (DADA2) is a monogenic vasculitis syndrome caused by biallelic mutations in the adenosine deaminase 2 gene. The diagnosis of DADA2 is confirmed by decreased enzymatic activity of ADA2 and genetic testing. Symptoms range from cutaneous vasculitis and polyarteritis nodosa-like lesions to stroke. The vasculopathy of DADA2 can affect many organ systems, including the gastrointestinal and renal systems. Hematologic manifestations occur early with hypogammaglobulinemia, lymphopenia, pure red cell aplasia, or pancytopenia. Treatment can be challenging. Tumor necrosis factor inhibitors are helpful to control inflammatory symptoms. Hematopoietic stem cell transplant may be needed to treat refractory cytopenias, vasculopathy, or immunodeficiency.
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Affiliation(s)
- Andrew Grim
- Division of Pediatric Rheumatology, Department of Pediatrics, Michigan Medicine, 1500 East Medical Center Drive, Ann Arbor, MI 48109, USA
| | - Keila R Veiga
- Division of Pediatric Rheumatology, Department of Pediatrics, New York Medical College/Maria Fareri Children's Hospital, 100 Woods Road, Valhalla, NY 10595, USA
| | - Nadine Saad
- Division of Pediatric Rheumatology, Department of Pediatrics, Michigan Medicine, 1500 East Medical Center Drive, Ann Arbor, MI 48109, USA.
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7
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Dzhus M, Ehlers L, Wouters M, Jansen K, Schrijvers R, De Somer L, Vanderschueren S, Baggio M, Moens L, Verhaaren B, Lories R, Bucciol G, Meyts I. A Narrative Review of the Neurological Manifestations of Human Adenosine Deaminase 2 Deficiency. J Clin Immunol 2023; 43:1916-1926. [PMID: 37548813 PMCID: PMC10661818 DOI: 10.1007/s10875-023-01555-y] [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: 05/28/2023] [Accepted: 07/14/2023] [Indexed: 08/08/2023]
Abstract
Deficiency of human adenosine deaminase type 2 (DADA2) is a complex systemic autoinflammatory disorder characterized by vasculopathy, immune dysregulation, and hematologic abnormalities. The most notable neurological manifestations of DADA2 are strokes that can manifest with various neurological symptoms and are potentially fatal. However, neurological presentations can be diverse. We here present a review of the neurological manifestations of DADA2 to increase clinical awareness of DADA2 as the underlying diagnosis. We reviewed all published cases of DADA2 from 1 January 2014 until 19 July 2022 found via PubMed. A total of 129 articles describing the clinical features of DADA2 were included in the analysis. Six hundred twenty-eight patients diagnosed with DADA2 were included in the review. 50.3% of patients had at least signs of one reported neurological event, which was the initial or sole manifestation in 5.7% and 0.6%, respectively. 77.5% of patients with neurological manifestations had at least signs of one cerebrovascular accident, with lacunar strokes being the most common and 35.9% of them having multiple stroke episodes. There is a remarkable predilection for the brain stem and deep gray matter, with 37.3% and 41.6% of ischemic strokes, respectively. Other neurological involvement included neuropathies, focal neurological deficits, ophthalmological findings, convulsions, and headaches. In summary, neurological manifestations affect a significant proportion of patients with DADA2, and the phenotype is broad. Neurological manifestations can be the first and single manifestation of DADA2. Therefore, stroke, encephalitis, posterior reversible encephalopathy syndrome, mononeuropathy and polyneuropathy, and Behçet's disease-like presentations should prompt the neurologist to exclude DADA2, especially but not only in childhood.
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Affiliation(s)
- Mariia Dzhus
- Department of Microbiology, Immunology and Transplantation, Inborn Errors of Immunity, KU Leuven, Leuven, Belgium
| | - Lisa Ehlers
- Department of Microbiology, Immunology and Transplantation, Inborn Errors of Immunity, KU Leuven, Leuven, Belgium
| | - Marjon Wouters
- Department of Microbiology, Immunology and Transplantation, Inborn Errors of Immunity, KU Leuven, Leuven, Belgium
| | - Katrien Jansen
- Department of Development and Regeneration, Department of Pediatrics, University Hospitals Leuven and KU Leuven, Leuven, Belgium
| | - Rik Schrijvers
- Department of General Internal Medicine-Allergy and Clinical Immunology, Allergy and Clinical Immunology Research Group, Department of Microbiology, Immunology and Transplantation, University Hospitals Leuven and KU Leuven, Leuven, Belgium
| | - Lien De Somer
- Department of Pediatric Rheumatology, Laboratory of Immunobiology, Rega Institute, European Reference Network for Rare Immunodeficiency, Autoinflammatory and Autoimmune Diseases, University Hospital Leuven and KU Leuven, Leuven, Belgium
| | - Steven Vanderschueren
- Department of General Internal Medicine, European Reference Network for Rare Immunodeficiency, Autoinflammatory and Autoimmune Diseases, Department of Microbiology, Immunology and Transplantation, University Hospitals Leuven and KU Leuven, Leuven, Belgium
| | - Marco Baggio
- Department of Microbiology, Immunology and Transplantation, Inborn Errors of Immunity, KU Leuven, Leuven, Belgium
| | - Leen Moens
- Department of Microbiology, Immunology and Transplantation, Inborn Errors of Immunity, KU Leuven, Leuven, Belgium
| | | | - Rik Lories
- Department of Development and Regeneration, Skeletal Biology and Engineering Research Centre, Division of Rheumatology, University Hospitals Leuven and KU Leuven, Leuven, Belgium
| | - Giorgia Bucciol
- Department of Microbiology, Immunology and Transplantation, Inborn Errors of Immunity, Department of Pediatrics, University Hospitals Leuven and KU Leuven, Leuven, Belgium
| | - Isabelle Meyts
- Department of Microbiology, Immunology and Transplantation, Inborn Errors of Immunity, Department of Pediatrics, European Reference Network for Rare Immunodeficiency, Autoinflammatory and Autoimmune Diseases, University Hospitals Leuven and KU Leuven, Leuven, Belgium.
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8
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Andriessen MVE, Legger GE, Bredius RGM, van Gijn ME, Hak AE, Muller PCEH, Kamphuis S, Klouwer FCC, Kuijpers TW, Leavis HL, Nierkens S, Rutgers A, van der Veken LT, van Well GTJ, Mulders-Manders CM, van Montfrans JM. Clinical Symptoms, Laboratory Parameters and Long-Term Follow-up in a National DADA2 Cohort. J Clin Immunol 2023; 43:1581-1596. [PMID: 37277582 PMCID: PMC10499949 DOI: 10.1007/s10875-023-01521-8] [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: 02/03/2023] [Accepted: 05/13/2023] [Indexed: 06/07/2023]
Abstract
Deficiency of adenosine deaminase-2 (DADA2) is an autosomal recessive autoinflammatory disease with an extremely variable disease presentation. This paper provides a comprehensive overview of the Dutch DADA2 cohort. We performed a retrospective cohort study in 29 ADA2-deficient patients from 23 families with a median age at inclusion of 26 years. All patients had biallelic pathogenic variants in the ADA2 gene. The most common clinical findings included cutaneous involvement (79.3%), (hepato)splenomegaly (70.8%) and recurrent infections (58.6%). Stroke was observed in 41.4% of the patients. The main laboratory abnormalities were hypogammaglobulinemia and various cytopenias. Patients presented most often with a mixed phenotype involving vasculopathy, immunodeficiency and hematologic manifestations (62.1%). In this cohort, malignancies were reported in eight patients (27.6%), of whom five presented with a hematologic malignancy and two with a basal cell carcinoma. Four patients developed hemophagocytic lymphohistiocytosis (HLH) or an HLH-like episode, of whom three passed away during or shortly after the occurrence of HLH. TNF-inhibitors (TNFi) were effective in treating vasculopathy-associated symptoms and preventing stroke, but were hardly effective in the treatment of hematologic manifestations. Three patients underwent hematopoietic cell transplantation and two of them are doing well with complete resolution of DADA2-related symptoms. The overall mortality in this cohort was 17.2%. In conclusion, this cohort describes the clinical, genetic and laboratory findings of 29 Dutch DADA2 patients. We describe the occurrence of HLH as a life-threatening disease complication and report a relatively high incidence of malignancies and mortality.
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Affiliation(s)
- Marie Valérie E Andriessen
- Department of Pediatric Immunology and Infectious Diseases, University Medical Center Utrecht, Utrecht University, PO Box 85050, 3508 GA, Utrecht, the Netherlands
| | - G Elizabeth Legger
- Department of Pediatric Rheumatology, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands
| | - Robbert G M Bredius
- Department of Pediatrics, Willem-Alexander Children's Hospital, Leiden University Medical Center, Leiden, the Netherlands
| | - Marielle E van Gijn
- Department of Genetics, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands
| | - A Elisabeth Hak
- Departments of Internal Medicine and Rheumatology and Clinical Immunology, Amsterdam UMC, Amsterdam, the Netherlands
| | - Petra C E Hissink Muller
- Department of Pediatrics, Willem-Alexander Children's Hospital, Leiden University Medical Center, Leiden, the Netherlands
| | - Sylvia Kamphuis
- Department of Pediatric Rheumatology, Sophia Children's Hospital, Erasmus MC University Centre, Rotterdam, the Netherlands
| | - Femke C C Klouwer
- Department of Neurology and Pediatric Neurology, Location AMC, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, the Netherlands
| | - Taco W Kuijpers
- Department of Pediatric Immunology, Rheumatology and Infectious Diseases, Emma Children's Hospital, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, the Netherlands
| | - Helen L Leavis
- Department of Rheumatology & Clinical Immunology, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands
| | - Stefan Nierkens
- Center for Translational Immunology, University Medical Center Utrecht & Princess Máxima Center for Pediatric Oncology, Utrecht, the Netherlands
| | - Abraham Rutgers
- Department of Rheumatology and Clinical Immunology, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands
| | - Lars T van der Veken
- Department of Genetics, Division Laboratories, Pharmacy and Biomedical Genetics, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands
| | - Gijs T J van Well
- Department of Pediatrics: Division of Pediatric Infectious Diseases, Immunology and Rheumatology, Maastricht University Medical Center, Maastricht, the Netherlands
| | - Catharina M Mulders-Manders
- Department of Internal Medicine, Radboud Expertise Center for Immunodeficiency and Autoinflammation, Radboud University Medical Center, Nijmegen, the Netherlands
| | - Joris M van Montfrans
- Department of Pediatric Immunology and Infectious Diseases, University Medical Center Utrecht, Utrecht University, PO Box 85050, 3508 GA, Utrecht, the Netherlands.
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9
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Chen L, Mamutova A, Kozlova A, Latysheva E, Evgeny F, Latysheva T, Savostyanov K, Pushkov A, Zhanin I, Raykina E, Kurnikova M, Mersiyanova I, Platt CD, Jee H, Brodeur K, Du Y, Liu M, Weiss A, Schulert GS, Rodriguez-Smith J, Hershfield MS, Aksentijevich I, Zhou Q, Nigrovic PA, Shcherbina A, Alexeeva E, Lee PY. Comparison of disease phenotypes and mechanistic insight on causal variants in patients with DADA2. J Allergy Clin Immunol 2023; 152:771-782. [PMID: 37150360 DOI: 10.1016/j.jaci.2023.04.014] [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: 06/30/2022] [Revised: 04/14/2023] [Accepted: 04/20/2023] [Indexed: 05/09/2023]
Abstract
BACKGROUND Deficiency of adenosine deaminase 2 (DADA2) results in heterogeneous manifestations including systemic vasculitis and red cell aplasia. The basis of different disease phenotypes remains incompletely defined. OBJECTIVE We sought to further delineate disease phenotypes in DADA2 and define the mechanistic basis of ADA2 variants. METHODS We analyzed the clinical features and ADA2 variants in 33 patients with DADA2. We compared the transcriptomic profile of 14 patients by bulk RNA sequencing. ADA2 variants were expressed experimentally to determine impact on protein production, trafficking, release, and enzymatic function. RESULTS Transcriptomic analysis of PBMCs from DADA2 patients with the vasculitis phenotype or pure red cell aplasia phenotype exhibited similar upregulation of TNF, type I interferon, and type II interferon signaling pathways compared with healthy controls. These pathways were also activated in 3 asymptomatic individuals with DADA2. Analysis of ADA2 variants, including 7 novel variants, showed different mechanisms of functional disruption including (1) unstable transcript leading to RNA degradation; (2) impairment of ADA2 secretion because of retention in the endoplasmic reticulum; (3) normal expression and secretion of ADA2 that lacks enzymatic function; and (4) disruption of the N-terminal signal peptide leading to cytoplasmic localization of unglycosylated protein. CONCLUSIONS Transcriptomic signatures of inflammation are observed in patients with different disease phenotypes, including some asymptomatic individuals. Disease-associated ADA2 variants affect protein function by multiple mechanisms, which may contribute to the clinical heterogeneity of DADA2.
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Affiliation(s)
- Liang Chen
- Division of Immunology, Boston Children's Hospital, Harvard Medical School, Boston, Mass
| | - Anna Mamutova
- Federal State Autonomous Institution "National Medical Research Center for Children's Health" of the Ministry of Health of the Russian Federation, Moscow, Russia
| | - Anna Kozlova
- Dmitry Rogachev National Medical Research Center of Pediatric Hematology, Oncology and Immunology, Moscow, Russia
| | | | - Frolov Evgeny
- NRC Institute of Immunology FMBA of Russia, Moscow, Russia
| | | | - Kirill Savostyanov
- Federal State Autonomous Institution "National Medical Research Center for Children's Health" of the Ministry of Health of the Russian Federation, Moscow, Russia
| | - Alexander Pushkov
- Federal State Autonomous Institution "National Medical Research Center for Children's Health" of the Ministry of Health of the Russian Federation, Moscow, Russia
| | - Ilya Zhanin
- Federal State Autonomous Institution "National Medical Research Center for Children's Health" of the Ministry of Health of the Russian Federation, Moscow, Russia
| | - Elena Raykina
- Dmitry Rogachev National Medical Research Center of Pediatric Hematology, Oncology and Immunology, Moscow, Russia
| | - Maria Kurnikova
- Dmitry Rogachev National Medical Research Center of Pediatric Hematology, Oncology and Immunology, Moscow, Russia
| | - Irina Mersiyanova
- Dmitry Rogachev National Medical Research Center of Pediatric Hematology, Oncology and Immunology, Moscow, Russia
| | - Craig D Platt
- Division of Immunology, Boston Children's Hospital, Harvard Medical School, Boston, Mass
| | - Hyuk Jee
- Division of Immunology, Boston Children's Hospital, Harvard Medical School, Boston, Mass
| | - Kailey Brodeur
- Division of Immunology, Boston Children's Hospital, Harvard Medical School, Boston, Mass
| | - Yan Du
- Division of Immunology, Boston Children's Hospital, Harvard Medical School, Boston, Mass; Department of Rheumatology, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, China
| | - Meng Liu
- Division of Immunology, Boston Children's Hospital, Harvard Medical School, Boston, Mass
| | - Aaron Weiss
- Department of Pediatrics, Maine Medical Center, Portland, Me
| | - Grant S Schulert
- Division of Rheumatology, Cincinnati Children's Hospital Medical Center, Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio
| | - Jackeline Rodriguez-Smith
- Division of Rheumatology, Cincinnati Children's Hospital Medical Center, Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio
| | - Michael S Hershfield
- Department of Medicine and Biochemistry, Duke University School of Medicine, Durham, NC
| | - Ivona Aksentijevich
- Inflammatory Disease Section, National Human Genome Research Institute, Bethesda, Md
| | - Qing Zhou
- Life Sciences Institute, Zhejiang University, Hangzhou, China
| | - Peter A Nigrovic
- Division of Immunology, Boston Children's Hospital, Harvard Medical School, Boston, Mass; Division of Rheumatology, Inflammation, and Immunity, Brigham and Women's Hospital, Boston, Mass
| | - Anna Shcherbina
- Dmitry Rogachev National Medical Research Center of Pediatric Hematology, Oncology and Immunology, Moscow, Russia
| | - Ekaterina Alexeeva
- Federal State Autonomous Institution "National Medical Research Center for Children's Health" of the Ministry of Health of the Russian Federation, Moscow, Russia; Federal State Autonomous Educational Institution of Higher Education I.M. Sechenov First Moscow State Medical University of the Ministry of Health of the Russian Federation (Sechenov University), Moscow, Russia
| | - Pui Y Lee
- Division of Immunology, Boston Children's Hospital, Harvard Medical School, Boston, Mass.
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Stenton SL, Campagna M, Philippakis A, O'Donnell-Luria A, Gelb MH. First-Tier Next Generation Sequencing for Newborn Screening: An Important Role for Biochemical Second-Tier Testing. GENETICS IN MEDICINE OPEN 2023; 1:100821. [PMID: 39238532 PMCID: PMC11377026 DOI: 10.1016/j.gimo.2023.100821] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/07/2024]
Abstract
There is discussion of expanding newborn screening (NBS) through the use of genomic sequence data; yet, challenges remain in the interpretation of DNA variants. Population-level DNA variant databases are available, and it is possible to estimate the number of newborns who would be flagged as having a risk for a genetic disease (including rare variants of unknown significance, VUS) via next-generation sequencing (NGS) positive. Estimates of the number of newborns screened as NGS positive for monogenic recessive diseases were obtained by analysis of the Genome Aggregation Database (gnomAD). For a collection of diseases for which there is interest in NBS, we provided 2 estimates for the expected number of newborns screened as NGS positive. For a set of lysosomal storage diseases, we estimated that 100 to approximately 600 NGS screen positives would be found per disease per year in a large NBS laboratory (California), and this figure may be expected to rise to a limit of about 1000 if we account for the fact that gnomAD does not contain all worldwide variants. The number of positives would drop 2.5- to 10-fold if the 10 VUS with highest allele frequency were biochemically annotated as benign. It is proposed that a second-tier biochemical assay using the same dried blood spot could be carried out as a filter and as part of NBS to reduce the number of high-risk NGS positive newborns to a manageable number.
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Affiliation(s)
- Sarah L Stenton
- Broad Institute of MIT and Harvard, Cambridge, MA
- Division of Genetics and Genomics, Boston Children's Hospital, Boston, MA
| | | | | | - Anne O'Donnell-Luria
- Broad Institute of MIT and Harvard, Cambridge, MA
- Division of Genetics and Genomics, Boston Children's Hospital, Boston, MA
| | - Michael H Gelb
- Department of Chemistry, University of Washington, Seattle, WA
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11
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Melo A, de Carvalho LM, Ferriani VPL, Cavalcanti A, Appenzeller S, Oliveira VR, Neto HC, Rosário NA, de Oliveira Poswar F, Guimaraes MX, Kokron CM, Maia RE, Silva GD, Keller G, Ferreira MD, Vasconcelos DM, Toledo-Barros MAM, Barros SF, Neto NSR, Krieger MH, Kalil J, Mendonça LO. A brazilian nationwide multicenter study on deficiency of deaminase-2 (DADA2). Adv Rheumatol 2023; 63:23. [PMID: 37217999 DOI: 10.1186/s42358-023-00303-5] [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: 01/20/2023] [Accepted: 05/02/2023] [Indexed: 05/24/2023] Open
Abstract
INTRODUCTION The deficiency of ADA2 (DADA2) is a rare autoinflammatory disease provoked by mutations in the ADA2 gene inherited in a recessive fashion. Up to this moment there is no consensus for the treatment of DADA2 and anti-TNF is the therapy of choice for chronic management whereas bone marrow transplantation is considered for refractory or severe phenotypes. Data from Brazil is scarce and this multicentric study reports 18 patients with DADA2 from Brazil. PATIENTS AND METHODS This is a multicentric study proposed by the Center for Rare and Immunological Disorders of the Hospital 9 de Julho - DASA, São Paulo - Brazil. Patients of any age with a confirmed diagnosis of DADA2 were eligible for this project and data on clinical, laboratory, genetics and treatment were collected. RESULTS Eighteen patients from 10 different centers are reported here. All patients had disease onset at the pediatric age (median of 5 years) and most of them from the state of São Paulo. Vasculopathy with recurrent stroke was the most common phenotype but atypical phenotypes compatible with ALPS-like and Common Variable Immunodeficiency (CVID) was also found. All patients carried pathogenic mutations in the ADA2 gene. Acute management of vasculitis was not satisfactory with steroids in many patients and all those who used anti-TNF had favorable responses. CONCLUSION The low number of patients diagnosed with DADA2 in Brazil reinforces the need for disease awareness for this condition. Moreover, the absence of guidelines for diagnosis and management is also necessary (t).
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Affiliation(s)
- Adriana Melo
- Division of Clinical Immunology and Allergy, Hospital das Clínicas da Universidade de São Paulo, Universidade de São Paulo, São Paulo, Brazil
| | - Luciana Martins de Carvalho
- Division of Pediatric Rheumatology Department of Pediatrics, Clinical Hospital of Ribeirão Preto Medical School, Universidade de São Paulo, São Paulo, Brazil
| | - Virginia Paes Leme Ferriani
- Division of Pediatric Rheumatology Department of Pediatrics, Clinical Hospital of Ribeirão Preto Medical School, Universidade de São Paulo, São Paulo, Brazil
| | - André Cavalcanti
- Department of Pediatrics, Hospital das Clínicas da Universidade Federal de Pernambuco, Universidade Federal de Pernambuco, Pernambuco, Brazil
| | - Simone Appenzeller
- Department of Pediatric Rheumatology, Universidade de Campinas, São Paulo, Brazil
| | | | - Herberto Chong Neto
- Division of Allergy and Immunology, Complexo Hospital de Clínicas, Federal University of Paraná, Paraná, Brazil
| | - Nelson Augusto Rosário
- Division of Allergy and Immunology, Complexo Hospital de Clínicas, Federal University of Paraná, Paraná, Brazil
| | | | | | - Cristina Maria Kokron
- Division of Clinical Immunology and Allergy, Hospital das Clínicas da Universidade de São Paulo, Universidade de São Paulo, São Paulo, Brazil
| | - Rayana Elias Maia
- Division of Genetics, Universidade Federal de Campina Grande, Campina Grande, Paraíba, Brazil
| | - Guilherme Diogo Silva
- Department of Neurology; Hospital das Cl?nicas da Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brazil
| | - Gabriel Keller
- Department of Neurology; Hospital das Cl?nicas da Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brazil
| | - Mauricio Domingues Ferreira
- Department of Dermatology; Ambulatory for cutaneous manifestations of Primary Immunodeficiencies; Hospital das Clínicas da Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brazil
| | - Dewton Moraes Vasconcelos
- Department of Dermatology; Ambulatory for cutaneous manifestations of Primary Immunodeficiencies; Hospital das Clínicas da Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brazil
| | - Myrthes Anna Maragna Toledo-Barros
- Division of Clinical Immunology and Allergy, Hospital das Clínicas da Universidade de São Paulo, Universidade de São Paulo, São Paulo, Brazil
| | - Samar Freschi Barros
- Laboratory for Medical Investigation (LIM-19) - LIM-19; Instituto do Coração, Universidade de São Paulo, São Paulo, Brazil
| | - Nilton Salles Rosa Neto
- Department of Internal Medicine, Universidade de Santo Amaro-UNISA, São Paulo, Brazil
- Center for Rare and Immunological Disorders, Hospital 9 de Julho - Rede DASA, São Paulo, Brazil
| | - Marta Helena Krieger
- ANDAI (Associação Nacional de Doenças Autoinflamatórias - Brazilian Association for Autoinflammatory Diseases), São Paulo, Brazil
| | - Jorge Kalil
- Division of Clinical Immunology and Allergy, Hospital das Clínicas da Universidade de São Paulo, Universidade de São Paulo, São Paulo, Brazil
- Laboratory for Medical Investigation (LIM-19) - LIM-19; Instituto do Coração, Universidade de São Paulo, São Paulo, Brazil
| | - Leonardo Oliveira Mendonça
- Division of Clinical Immunology and Allergy, Hospital das Clínicas da Universidade de São Paulo, Universidade de São Paulo, São Paulo, Brazil.
- Laboratory for Medical Investigation (LIM-19) - LIM-19; Instituto do Coração, Universidade de São Paulo, São Paulo, Brazil.
- Center for Rare and Immunological Disorders, Hospital 9 de Julho - Rede DASA, São Paulo, Brazil.
- Division of Immunology and Allergy, Center for Rare and Immunological Disorders, DASA- Hospital, 9 de Julho Rua Peixoto Gomide, 285, 01409001, São Paulo, Brazil.
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12
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Ahn TS, Kohn LA. Whole Exome Sequencing Reveals Pathogenic Variants in ADA2 and FAS Causing DADA2 and ALPS. J Clin Immunol 2023:10.1007/s10875-023-01484-w. [PMID: 37178281 DOI: 10.1007/s10875-023-01484-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Accepted: 04/03/2023] [Indexed: 05/15/2023]
Affiliation(s)
- Terrie S Ahn
- Division of Clinical Immunology and Allergy, Department of Medicine, University of California, Los Angeles, 1245 16th St., Suite 303, Santa Monica, CA, 90404, USA
| | - Lisa A Kohn
- Division of Clinical Immunology and Allergy, Department of Medicine, University of California, Los Angeles, 1245 16th St., Suite 303, Santa Monica, CA, 90404, USA.
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13
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A robust pipeline for ranking carrier frequencies of autosomal recessive and X-linked Mendelian disorders. NPJ Genom Med 2022; 7:72. [PMID: 36535936 PMCID: PMC9763236 DOI: 10.1038/s41525-022-00344-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Accepted: 12/07/2022] [Indexed: 12/23/2022] Open
Abstract
Single gene disorders are individually rare but collectively common leading causes of neonatal and pediatric morbidity and mortality. Both parents or the mothers of affected individuals with autosomal recessive or X-linked recessive diseases, respectively, are carrier(s). Carrier frequencies of recessive diseases can vary drastically among different ethnicities. This study established a robust pipeline for estimating and ranking carrier frequencies of all known 2699 recessive genes based on genome-wide sequencing data in healthy individuals. The discovery gnomAD cohort contained sequencing data on 76,156 genomes and 125,748 exomes from individuals with seven ethnicity backgrounds. The three validation cohorts composed of the SG10K Project with 4810 genomes on East Asian and South Asian, the ChinaMAP project with 10,588 Chinese genomes, and the WBBC pilot project with 4480 Chinese genomes. Within each cohort, comprehensive selection criteria for various kinds of deleterious variants were instituted, including known pathogenic variants (Type 1), presumably loss-of-function changes (Type 2), predicted deleterious missense variants (Type 3), and potentially harmful in-frame INDELs (Type 4). Subsequently, carrier frequencies of the 2699 genes were calculated and ranked based on ethnicity-specific carrier rates of Type 1 to Type 4 variants. Comparison of results from different cohorts with similar ethnicity background exhibited high degree of correlation, particularly between the ChinaMAP and the WBBC cohorts (Pearson correlation coefficient R = 0.92), confirming the validity of our variant selection criteria and the overall analysis pipeline.
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14
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Lucane Z, Davidsone Z, Micule I, Auzenbaha M, Kurjane N. A novel frameshift variant in the ADA2 gene of a patient with a neurological phenotype: a case report. Pediatr Rheumatol Online J 2022; 20:118. [PMID: 36528591 PMCID: PMC9759365 DOI: 10.1186/s12969-022-00781-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Accepted: 11/25/2022] [Indexed: 12/23/2022] Open
Abstract
BACKGROUND Adenosine deaminase 2 (ADA2) deficiency is an inherited autoinflammatory syndrome caused by a defect in the ADA2 gene. Most common manifestations include peripheral vasculopathy, early-onset stroke, immunodeficiency, and haematological manifestations. Patients with pathogenic variants that are more detrimental to ADA2's enzymatic function (e.g. frameshift) have been reported to be prone to developing hematological phenotype. We report here the case of a 13-year-old Caucasian girl with a novel frameshift variant in the ADA2 gene and a clinical phenotype of early-onset stroke. CASE PRESENTATION The patient was admitted to hospital with complaints of weakness in her right arm, unilateral facial weakness and speech problems. Her initial laboratory workup was normal; however, magnetic resonance imaging of her brain confirmed acute/subacute ischaemic changes in the posterior limb of the left-sided internal capsule and in the apical part of the thalamus. She also had manifestations of immunodeficiency - recurrent skin infections and otitis, chronic Molluscum contagiosum infection in anamnesis and B cell deficiency with a low level of serum IgA. The patient's DNA was analysed and two pathogenic variants were identified in the ADA2 gene, confirming a diagnosis of adenosine deaminase 2 (ADA2) deficiency. While one of the variants (c.506G > A (p.Arg169Gln)) has been reported previously, the other one is a novel frameshift variant, namely, c.464del (p.Pro155Hisfs*29). The patient received stroke rehabilitation, which significantly improved her functional state. Tumour necrosis factor inhibitor and methotrexate treatment was commenced, and the patient has remained stable with no further ischaemic events. CONCLUSIONS Although rare, ADA2 deficiency should be considered in patients with early-onset stroke, especially with concomitant manifestations of inflammatory features or immunodeficiency. This case report extends the genotypic spectrum of ADA2 deficiency.
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Affiliation(s)
- Z. Lucane
- grid.17330.360000 0001 2173 9398Riga Stradins University, Dzirciema Street 16, Riga, LV-1007 Latvia
| | - Z. Davidsone
- grid.440969.60000 0004 0463 0616Children’s Clinical University Hospital, Vienibas Street 45, Riga, LV-1004 Latvia
| | - I. Micule
- grid.440969.60000 0004 0463 0616Children’s Clinical University Hospital, Vienibas Street 45, Riga, LV-1004 Latvia
| | - M. Auzenbaha
- grid.17330.360000 0001 2173 9398Riga Stradins University, Dzirciema Street 16, Riga, LV-1007 Latvia ,grid.440969.60000 0004 0463 0616Children’s Clinical University Hospital, Vienibas Street 45, Riga, LV-1004 Latvia
| | - N. Kurjane
- grid.17330.360000 0001 2173 9398Riga Stradins University, Dzirciema Street 16, Riga, LV-1007 Latvia ,grid.440969.60000 0004 0463 0616Children’s Clinical University Hospital, Vienibas Street 45, Riga, LV-1004 Latvia
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15
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Gburek-Augustat J, Platzer K, Schumann I, Starke S, Hershfield MS, Sorge I, Merkenschlager A. Case Report: Deficiency of Adenosine Deaminase 2 (DADA2) as a Cause of Brainstem Stroke in a 3-Year-Old Girl and the Importance of Early Fast-Track Genetic Diagnostics to Influence Therapy. Neuropediatrics 2022; 53:432-435. [PMID: 35817355 DOI: 10.1055/a-1896-5817] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
Deficiency of adenosine deaminase 2 (DADA2) is a rare Mendelian, autoinflammatory multiorgan disease. We report the case of a 3.8-year-old female patient who was admitted with an acute brainstem stroke and was diagnosed with DADA2 by early initiation of exome sequencing. We recommend that DADA2 and a genetic workup should be taken into account, when evaluating strokes in children even if no other than neurological symptoms are evident.
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Affiliation(s)
- Janina Gburek-Augustat
- Division of Neuropaediatrics, Hospital for Children and Adolescents, University Hospital Leipzig, Leipzig, Germany
| | - Konrad Platzer
- Institute of Human Genetics, University of Leipzig Medical Center, Leipzig, Germany
| | - Isabell Schumann
- Institute of Human Genetics, University of Leipzig Medical Center, Leipzig, Germany
| | - Sven Starke
- Department of Paediatric Oncology, Haematology and Haemostaseology, Hospital for Children and Adolescents, University Hospital Leipzig, Leipzig, Germany
| | - Michael Steven Hershfield
- Department of Medicine and Biochemistry, Duke University Medical Center, Durham, North Carolina, United States
| | - Ina Sorge
- Department of Pediatric Radiology, Hospital for Children and Adolescents, University Hospital Leipzig, Leipzig, Germany
| | - Andreas Merkenschlager
- Division of Neuropaediatrics, Hospital for Children and Adolescents, University Hospital Leipzig, Leipzig, Germany
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16
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Lötscher F, Pop R, Seitz P, Recher M, Seitz L. Spectrum of Large- and Medium-Vessel Vasculitis in Adults: Neoplastic, Infectious, Drug-Induced, Autoinflammatory, and Primary Immunodeficiency Diseases. Curr Rheumatol Rep 2022; 24:293-309. [PMID: 35920952 PMCID: PMC9362566 DOI: 10.1007/s11926-022-01083-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/24/2022] [Indexed: 02/06/2023]
Abstract
PURPOSE OF REVIEW To provide a comprehensive review of drugs and neoplastic, infectious, autoinflammatory, and immunodeficiency diseases causing medium- to large-vessel vasculitis in adults with emphasis on information essential for the initial diagnostic process. RECENT FINDINGS Entities with medium- to large-vessel vasculitis as clinical manifestations have been described recently (e.g., adenosine deaminase-2 deficiency, VEXAS-Syndrome), and vasculitis in established autoinflammatory or immunodeficiency diseases is increasingly being identified. In the diagnostic process of medium- to large-vessel vasculitis in adults, a large variety of rare diseases should be included in the differential diagnosis, especially if diagnosis is made without histologic confirmation and in younger patients. Although these disorders should be considered, they will undoubtedly remain rare in daily practice.
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Affiliation(s)
- Fabian Lötscher
- Department of Rheumatology and Immunology, Inselspital, University Hospital, University of Bern, Freiburgstrasse, CH-3010, Bern, Switzerland
| | - Roxana Pop
- Department of Infectious Diseases and Hospital Hygiene, University Hospital, University of Zurich, Zurich, Switzerland
| | - Pascal Seitz
- Department of Rheumatology and Immunology, Inselspital, University Hospital, University of Bern, Freiburgstrasse, CH-3010, Bern, Switzerland
| | - Mike Recher
- Immunodeficiency Laboratory, Department of Biomedicine, University Hospital and University of Basel, Basel, Switzerland
- University Center for Immunology, University Hospital, Basel, Switzerland
| | - Luca Seitz
- Department of Rheumatology and Immunology, Inselspital, University Hospital, University of Bern, Freiburgstrasse, CH-3010, Bern, Switzerland.
- Immunodeficiency Laboratory, Department of Biomedicine, University Hospital and University of Basel, Basel, Switzerland.
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17
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Bowers SM, Sundqvist M, Dancey P, Cabral DA, Brown KL. Pathogenic variant c.1052T>A (p.Leu351Gln) in adenosine deaminase 2 impairs secretion and elevates type I IFN responsive gene expression. Front Immunol 2022; 13:995191. [PMID: 36248868 PMCID: PMC9562767 DOI: 10.3389/fimmu.2022.995191] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Accepted: 09/12/2022] [Indexed: 11/13/2022] Open
Abstract
BackgroundAdenosine deaminase 2 (ADA2) is a homodimeric, extracellular enzyme and putative growth factor that is produced by cells of the myeloid lineage and, catalytically, deaminates extracellular adenosine to inosine. Loss-of-(catalytic)-function variants in the ADA2 gene are associated with Deficiency of ADA2 (DADA2), an autosomal recessive disease associated with an unusually broad range of inflammatory manifestations including vasculitis, hematological defects and cytopenia. Previous work by our group led to the identification of ADA2 variants of novel association with DADA2, among which was a unique c.1052T>A (p.Leu351Gln; herein referred to as L351Q) variant located in the catalytic domain of the protein.MethodsMammalian (Flp-IN CHO) cells were engineered to stably express wild-type ADA2 and ADA2 protein variants, including the pathogenic L351Q variant identified in DADA2 patients. An enzyme assay and immunoblotting were used to assess ADA2 catalytic activity and secretion, respectively, and the outcome of experimentally induced inhibition of protein processing (Golgi transport and N-linked glycosylation) was assessed. Reverse transcription quantitative real-time PCR (RT-qPCR) was applied to determine the relative expression of Type I Interferon stimulated genes (ISGs), IFIT3 and IRF7.ResultsIn addition to abrogating catalytic activity, the L351Q variant impaired secretion of L351Q ADA2 resulting in an intracellular accumulation of L351Q ADA2 protein that was not observed in cells expressing wild-type ADA2 or other ADA2 protein variants. Retention of L351Q ADA2 was not attributable to impaired glycosylation on neighboring asparagine residues and did not impact cell growth or integrity. Constitutive expression of Type I ISGs IFIT3 and IRF7 was observed in cells expressing L351Q ADA2.ConclusionsThe impaired secretion of L351Q ADA2 may be an important factor leading to the severe phenotype observed in patients with this variant further emphasizing the importance of assessing impacts beyond catalytic activity when evaluating genotype-phenotype relationships in DADA2.
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Affiliation(s)
- Sarah M. Bowers
- Department of Microbiology and Immunology, University of British Columbia, Vancouver, BC, Canada
- British Columbia Children’s Hospital Research Institute, Vancouver, BC, Canada
| | - Martina Sundqvist
- British Columbia Children’s Hospital Research Institute, Vancouver, BC, Canada
| | - Paul Dancey
- Janeway Children’s Health and Rehabilitation Centre, Saint John’s, NL, Canada
| | - David A. Cabral
- Department of Pediatrics, University of British Columbia, Vancouver, BC, Canada
- British Columbia Children’s Hospital, Vancouver, BC, Canada
| | - Kelly L. Brown
- British Columbia Children’s Hospital Research Institute, Vancouver, BC, Canada
- Department of Pediatrics, University of British Columbia, Vancouver, BC, Canada
- *Correspondence: Kelly L. Brown,
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18
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Tarrant TK, Kelly SJ, Hershfield MS. Elucidating the pathogenesis of adenosine deaminase 2 deficiency: current status and unmet needs. Expert Opin Orphan Drugs 2022. [DOI: 10.1080/21678707.2021.2050367] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
| | | | - Michael S Hershfield
- Duke University School of Medicine, Durham, US
- Duke University School of Medicine, Medicine and Biochemistry, Durham, US
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19
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Lee PY, Aksentijevich I, Zhou Q. Mechanisms of vascular inflammation in deficiency of adenosine deaminase 2 (DADA2). Semin Immunopathol 2022; 44:269-280. [PMID: 35178658 DOI: 10.1007/s00281-022-00918-8] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Accepted: 01/27/2022] [Indexed: 12/24/2022]
Abstract
Deficiency of adenosine deaminase 2 (DADA2) was first described as a monogenic form of systemic vasculitis that closely resembles polyarteritis nodosa (PAN). The phenotypic spectrum of DADA2 has vastly expanded in recent years and now includes pure red cell aplasia, bone marrow failure syndrome, lymphoproliferative disease, and humoral immunodeficiency. Vasculitis remains the most common presentation of DADA2, and treatment with tumor necrosis factor inhibitors (TNFi) has shown remarkable efficacy in preventing stroke and ameliorating features of systemic inflammation. The precise function of ADA2 has not been elucidated, and how absence of ADA2 ignites inflammation is an active area of research. In this review, we will discuss the current understanding of DADA2 from research and clinical perspectives. We will evaluate several proposed functions of ADA2, including polarization of monocyte phenotype, regulation of neutrophil extracellular trap formation, and modulation of innate immunity. We will also review the role of inflammatory cytokines including TNF and type I interferons. Lastly, we will provide future perspectives on understanding the phenotypic heterogeneity of DADA2 and discuss potential treatment options.
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Affiliation(s)
- Pui Y Lee
- Division of Immunology, Boston Childrens Hospital, Harvard Medical School, Boston, MA, USA.
| | - Ivona Aksentijevich
- Inflammatory Disease Section, National Human Genome Research Institute, Bethesda, MD, USA
| | - Qing Zhou
- The MOE Key Laboratory of Biosystems Homeostasis and Protection, Life Sciences Institute, Zhejiang University, Hangzhou, China.
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20
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Barron KS, Aksentijevich I, Deuitch NT, Stone DL, Hoffmann P, Videgar-Laird R, Soldatos A, Bergerson J, Toro C, Cudrici C, Nehrebecky M, Romeo T, Jones A, Boehm M, Kanakry JA, Dimitrova D, Calvo KR, Alao H, Kapuria D, Ben-Yakov G, Pichard DC, Hathaway L, Brofferio A, McRae E, Moura NS, Schnappauf O, Rosenzweig S, Heller T, Cowen EW, Kastner DL, Ombrello AK. The Spectrum of the Deficiency of Adenosine Deaminase 2: An Observational Analysis of a 60 Patient Cohort. Front Immunol 2022; 12:811473. [PMID: 35095905 PMCID: PMC8790931 DOI: 10.3389/fimmu.2021.811473] [Citation(s) in RCA: 35] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Accepted: 12/08/2021] [Indexed: 11/21/2022] Open
Abstract
The deficiency of adenosine deaminase 2 (DADA2) is an autosomal recessively inherited disease that has undergone extensive phenotypic expansion since being first described in patients with fevers, recurrent strokes, livedo racemosa, and polyarteritis nodosa in 2014. It is now recognized that patients may develop multisystem disease that spans multiple medical subspecialties. Here, we describe the findings from a large single center longitudinal cohort of 60 patients, the broad phenotypic presentation, as well as highlight the cohort’s experience with hematopoietic cell transplantation and COVID-19. Disease manifestations could be separated into three major phenotypes: inflammatory/vascular, immune dysregulatory, and hematologic, however, most patients presented with significant overlap between these three phenotype groups. The cardinal features of the inflammatory/vascular group included cutaneous manifestations and stroke. Evidence of immune dysregulation was commonly observed, including hypogammaglobulinemia, absent to low class-switched memory B cells, and inadequate response to vaccination. Despite these findings, infectious complications were exceedingly rare in this cohort. Hematologic findings including pure red cell aplasia (PRCA), immune-mediated neutropenia, and pancytopenia were observed in half of patients. We significantly extended our experience using anti-TNF agents, with no strokes observed in 2026 patient months on TNF inhibitors. Meanwhile, hematologic and immune features had a more varied response to anti-TNF therapy. Six patients received a total of 10 allogeneic hematopoietic cell transplant (HCT) procedures, with secondary graft failure necessitating repeat HCTs in three patients, as well as unplanned donor cell infusions to avoid graft rejection. All transplanted patients had been on anti-TNF agents prior to HCT and received varying degrees of reduced-intensity or non-myeloablative conditioning. All transplanted patients are still alive and have discontinued anti-TNF therapy. The long-term follow up afforded by this large single-center study underscores the clinical heterogeneity of DADA2 and the potential for phenotypes to evolve in any individual patient.
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Affiliation(s)
- Karyl S Barron
- National Institute of Allergy and Infectious Diseases, National Institutes of Health (NIH), Bethesda, MD, United States
| | - Ivona Aksentijevich
- National Human Genome Research Institute, National Institutes of Health (NIH), Bethesda, MD, United States
| | - Natalie T Deuitch
- National Human Genome Research Institute, National Institutes of Health (NIH), Bethesda, MD, United States
| | - Deborah L Stone
- National Human Genome Research Institute, National Institutes of Health (NIH), Bethesda, MD, United States
| | - Patrycja Hoffmann
- National Human Genome Research Institute, National Institutes of Health (NIH), Bethesda, MD, United States
| | - Ryan Videgar-Laird
- National Human Genome Research Institute, National Institutes of Health (NIH), Bethesda, MD, United States
| | - Ariane Soldatos
- National Institute of Neurological Diseases and Strokes, National Institutes of Health (NIH), Bethesda, MD, United States
| | - Jenna Bergerson
- National Institute of Allergy and Infectious Diseases, National Institutes of Health (NIH), Bethesda, MD, United States
| | - Camilo Toro
- Undiagnosed Disease Program, National Institutes of Health (NIH), Bethesda, MD, United States
| | - Cornelia Cudrici
- National Heart, Lung, and Blood Institute, National Institutes of Health (NIH), Bethesda, MD, United States
| | - Michele Nehrebecky
- National Human Genome Research Institute, National Institutes of Health (NIH), Bethesda, MD, United States
| | - Tina Romeo
- National Human Genome Research Institute, National Institutes of Health (NIH), Bethesda, MD, United States
| | - Anne Jones
- National Human Genome Research Institute, National Institutes of Health (NIH), Bethesda, MD, United States
| | - Manfred Boehm
- National Heart, Lung, and Blood Institute, National Institutes of Health (NIH), Bethesda, MD, United States
| | - Jennifer A Kanakry
- National Cancer Institute, National Institutes of Health (NIH), Bethesda, MD, United States
| | - Dimana Dimitrova
- National Cancer Institute, National Institutes of Health (NIH), Bethesda, MD, United States
| | - Katherine R Calvo
- Department of Laboratory Medicine, Clinical Center, National Institutes of Health (NIH), Bethesda, MD, United States
| | - Hawwa Alao
- National Institute of Digestive Diseases and Kidney Diseases, National Institutes of Health (NIH), Bethesda, MD, United States
| | - Devika Kapuria
- National Institute of Digestive Diseases and Kidney Diseases, National Institutes of Health (NIH), Bethesda, MD, United States
| | - Gil Ben-Yakov
- National Institute of Digestive Diseases and Kidney Diseases, National Institutes of Health (NIH), Bethesda, MD, United States
| | - Dominique C Pichard
- National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health (NIH), Bethesda, MD, United States
| | - Londa Hathaway
- National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health (NIH), Bethesda, MD, United States
| | - Alessandra Brofferio
- National Heart, Lung, and Blood Institute, National Institutes of Health (NIH), Bethesda, MD, United States
| | - Elisa McRae
- National Human Genome Research Institute, National Institutes of Health (NIH), Bethesda, MD, United States
| | - Natalia Sampaio Moura
- National Human Genome Research Institute, National Institutes of Health (NIH), Bethesda, MD, United States
| | - Oskar Schnappauf
- National Human Genome Research Institute, National Institutes of Health (NIH), Bethesda, MD, United States
| | - Sofia Rosenzweig
- National Human Genome Research Institute, National Institutes of Health (NIH), Bethesda, MD, United States
| | - Theo Heller
- National Institute of Digestive Diseases and Kidney Diseases, National Institutes of Health (NIH), Bethesda, MD, United States
| | - Edward W Cowen
- National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health (NIH), Bethesda, MD, United States
| | - Daniel L Kastner
- National Human Genome Research Institute, National Institutes of Health (NIH), Bethesda, MD, United States
| | - Amanda K Ombrello
- National Human Genome Research Institute, National Institutes of Health (NIH), Bethesda, MD, United States
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21
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Deuitch NT, Yang D, Lee PY, Yu X, Moura NS, Schnappauf O, Ombrello AK, Stone D, Kuehn HS, Rosenzweig SD, Hoffmann P, Cudrici C, Levy DM, Kessler E, Soep JB, Hay AD, Dalrymple A, Zhang Y, Sun L, Zhang Q, Tang X, Wu Y, Rao K, Li H, Luo H, Zhang Y, Burnham JM, Boehm M, Barron K, Kastner DL, Aksentijevich I, Zhou Q. TNF-inhibition in vasculitis management in adenosine deaminase 2 deficiency (DADA2). J Allergy Clin Immunol 2021; 149:1812-1816.e6. [PMID: 34780847 DOI: 10.1016/j.jaci.2021.10.030] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2021] [Revised: 09/25/2021] [Accepted: 10/28/2021] [Indexed: 12/30/2022]
Abstract
BACKGROUND Deficiency of adenosine deaminase 2 (DADA2) is a recessively inherited autoinflammatory disorder caused by a loss of functional ADA2 protein. TNF inhibition (TNFi) has proven to be highly effective in treating inflammatory manifestations. OBJECTIVE To explore the pathophysiology and the underlying mechanisms of TNF inhibitor response in these patients. METHODS We performed Sanger sequencing of the ADA2 gene. We used flow cytometry, intracellular cytokine staining, transcriptome analysis, immunohistochemistry, and cell differentiation experiments to define an inflammatory signature in DADA2 patients and studied their response to TNF inhibitor treatment. RESULTS We demonstrated increased inflammatory signals and overproduction of cytokines mediated by IFN and NF-κB pathways in patients' primary cells. Treatment with TNFi led to reduction in inflammation, rescued the skewed differentiation towards the pro-inflammatory M1 macrophage subset and restored integrity of endothelial cells in blood vessels. We also report 8 novel disease-associated variants in 7 patients with DADA2. CONCLUSION Our data explore the cellular mechanism underlying effective treatment with TNFi therapies in DADA2. DADA2 vasculitis is strongly related to the presence of activated myeloid cells and the endothelial cell damage is rescued with anti-TNF treatment.
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Affiliation(s)
- Natalie T Deuitch
- National Human Genome Research Institute, National Institutes of Health, USA.
| | - Dan Yang
- National Heart, Lung, and Blood Institute, National Institutes of Health, USA
| | | | - Xiaomin Yu
- Liangzhu Laboratory, Zhejiang University Medical Center, Hangzhou, China
| | | | - Oskar Schnappauf
- National Human Genome Research Institute, National Institutes of Health, USA
| | - Amanda K Ombrello
- National Human Genome Research Institute, National Institutes of Health, USA
| | - Deborah Stone
- National Human Genome Research Institute, National Institutes of Health, USA
| | - Hye Sun Kuehn
- Department of Laboratory Medicine, National Institutes of Health Clinical Center, USA
| | - Sergio D Rosenzweig
- Department of Laboratory Medicine, National Institutes of Health Clinical Center, USA
| | - Patrycja Hoffmann
- National Human Genome Research Institute, National Institutes of Health, USA
| | - Cornelia Cudrici
- National Heart, Lung, and Blood Institute, National Institutes of Health, USA
| | - Deborah M Levy
- University of Toronto, The Hospital for Sick Children, Canada
| | | | | | | | - Austin Dalrymple
- Saint Louis University School of Medicine, SSM Health Cardinal Glennon Children's Hospital
| | - Yu Zhang
- National Institute of Allergy and Infectious Diseases, National Institutes of Health, USA
| | - Li Sun
- Children's Hospital of Fudan University, China
| | - Qiuye Zhang
- Affiliated Hospital of Qingdao University, China
| | - Xuemei Tang
- Children's Hospital of Chongqing Medical University, China
| | - Yuan Wu
- Peking University First Hospital, China
| | - Koneti Rao
- National Institute of Allergy and Infectious Diseases, National Institutes of Health, USA
| | - Haibo Li
- Ningbo Women and Children's Hospital, China
| | - Hong Luo
- The Second Xiangya Hospital of Central South University, China
| | - Yao Zhang
- Peking University First Hospital, China
| | | | - Manfred Boehm
- National Heart, Lung, and Blood Institute, National Institutes of Health, USA
| | - Karyl Barron
- National Institute of Allergy and Infectious Diseases, National Institutes of Health, USA
| | - Daniel L Kastner
- National Human Genome Research Institute, National Institutes of Health, USA
| | - Ivona Aksentijevich
- National Human Genome Research Institute, National Institutes of Health, USA.
| | - Qing Zhou
- National Human Genome Research Institute, National Institutes of Health, USA; Liangzhu Laboratory, Zhejiang University Medical Center, Hangzhou, China; Life Sciences Institute, Zhejiang University, China.
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22
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Another Exciting Data-HCT Successfully Cured Patients with DADA2 : A commentary on "Hematopoietic cell transplantation cures adenosine deaminase 2 deficiency: report on 30 patients" by Hashem H et al. J Clin Immunol 2021; 41:1443-1445. [PMID: 34390439 DOI: 10.1007/s10875-021-01121-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Accepted: 08/05/2021] [Indexed: 10/20/2022]
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