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An J, Marwaha A, Laxer RM. Autoinflammatory Diseases: A Review. J Rheumatol 2024; 51:848-861. [PMID: 38879186 DOI: 10.3899/jrheum.2023-1209] [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] [Accepted: 06/04/2024] [Indexed: 07/17/2024]
Abstract
Autoinflammatory disease (AID) is a vast spectrum of disorders characterized by recurrent attacks of sterile inflammation. Since the first cloning of the familial Mediterranean fever gene in 1997, there has been a rapid rate of discovery of new AIDs. As of 2022, there have been 485 inborn errors of immunity documented by the International Union of Immunological Societies, for which many display aspects of autoinflammation. The pathophysiology of AIDs is complex. Although many are caused by rare mutations in genes that govern innate immunity, others are polygenic, where disease expression is thought to be triggered by environmental factors in genetically predisposed hosts. AIDs range in prevalence from common entities like gout to ultrarare monogenic diseases. Whereas AIDs were initially studied in pediatric populations, it is now apparent that they can present in adulthood and even in the elderly. AIDs can be clinically challenging given their rarity, as well as the heterogeneity in presentation and underlying etiology. Although the care of AIDs can span medical disciplines, the rheumatologist often plays a central role given the inflammatory nature of these illnesses. In this review, we explore the current understanding of the pathophysiology of these complex conditions and propose a classification system for AIDs. We place an emphasis on AIDs that present to the adult rheumatologist and discuss important AIDs that can mimic more classic rheumatic diseases such as systemic lupus erythematosus and inflammatory arthritis. Finally, we offer an approach to the clinical assessment, diagnosis, and management of AIDs.
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Affiliation(s)
- Jason An
- J. An, MD, MSc, Division of Rheumatology, Hospital for Sick Children, University of Toronto, Toronto, Ontario;
| | - Ashish Marwaha
- A. Marwaha, MD, PhD, Department of Medical Genetics, Alberta Children's Hospital, University of Calgary, Calgary, Alberta
| | - Ronald M Laxer
- R.M. Laxer, MDCM, Division of Rheumatology, Hospital for Sick Children, University of Toronto, and Division of Rheumatology, Department of Medicine, St. Michael's Hospital, University of Toronto, Toronto, Ontario, Canada
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2
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Parentelli AS, Boursier G, Cuisset L, Georgin-Lavialle S. [Genetic mosaicism in Systemic Auto-Inflammatory Diseases: A review of the literature]. Rev Med Interne 2024:S0248-8663(24)00566-6. [PMID: 38762439 DOI: 10.1016/j.revmed.2024.05.003] [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: 12/12/2023] [Revised: 04/07/2024] [Accepted: 05/02/2024] [Indexed: 05/20/2024]
Abstract
Systemic auto-inflammatory diseases (SAIDs) are disorders associated with deregulation of innate immunity in which patients present classically with systemic inflammatory manifestations, in particular fever, skin-mucosal rashes, arthromyalgia and abdominal pain, with an increase in blood biomarkers of inflammation. At the time of their discovery, these diseases were associated with constitutional mutations in genes encoding proteins involved in innate immunity, and it was then considered that they had to begin in childhood. This dogma of constitutional mutations in SAIDs is no longer so unquestionable, since 2005 several cases of mosaicism have been reported in the literature, initially in cryopyrinopathies, but also in other SAIDs in patients with obvious clinical phenotypes and late onset of disease expression, in particular in the VEXAS syndrome (Vacuoles, E1 enzyme, X-linked, Autoinflammatory, Somatic Syndrome) and very recently in MEVF gene. Next-generation sequencing techniques are more sensitive than Sanger for detecting mosaicisms. So, when a clinical diagnosis seems obvious but no constitutional mutation is found by low-depth genetic analysis, it is useful to discuss with expert geneticists whether to consider another genetic approach in a child or an adult. This modifies the situations in which clinicians can evoke these diseases. This review provides an update on mosaicism in SAIDs.
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Affiliation(s)
- A-S Parentelli
- Service de pédiatrie, CHU Félix-Guyon, allée des Topazes, 97400 Saint-Denis, Réunion.
| | - G Boursier
- Service de génétique moléculaire et cytogénomique, laboratoire de génétique des maladies rares et auto-inflammatoires, CHU de Montpellier, université de Montpellier, 371, avenue du Doyen-Gaston-Giraud, 34295 Montpellier cedex 5, France; Centre de référence des maladies auto-inflammatoires rares et de l'amylose inflammatoire (CEREMAIA), hôpital Tenon, Assistance publique-Hôpitaux de Paris, 4, rue de la Chine, 75020 Paris, France
| | - L Cuisset
- Service de médecine génomique des maladies de système et d'organe, hôpital Cochin, Assistance publique-Hôpitaux de Paris, université Paris Cité, 27, rue du Faubourg-Saint-Jacques, 75014 Paris, France
| | - S Georgin-Lavialle
- Service de médecine interne, hôpital Tenon, Assistance publique-Hôpitaux de Paris, Sorbonne université, 4, rue de la Chine, 75020 Paris, France; Centre de référence des maladies auto-inflammatoires rares et de l'amylose inflammatoire (CEREMAIA), hôpital Tenon, Assistance publique-Hôpitaux de Paris, 4, rue de la Chine, 75020 Paris, France
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3
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Akalu YT, Bogunovic D. Inborn errors of immunity: an expanding universe of disease and genetic architecture. Nat Rev Genet 2024; 25:184-195. [PMID: 37863939 DOI: 10.1038/s41576-023-00656-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/06/2023] [Indexed: 10/22/2023]
Abstract
Inborn errors of immunity (IEIs) are generally considered to be rare monogenic disorders of the immune system that cause immunodeficiency, autoinflammation, autoimmunity, allergy and/or cancer. Here, we discuss evidence that IEIs need not be rare disorders or exclusively affect the immune system. Namely, an increasing number of patients with IEIs present with severe dysregulations of the central nervous, digestive, renal or pulmonary systems. Current challenges in the diagnosis of IEIs that result from the segregated practice of specialized medicine could thus be mitigated, in part, by immunogenetic approaches. Starting with a brief historical overview of IEIs, we then discuss the technological advances that are facilitating the immunogenetic study of IEIs, progress in understanding disease penetrance in IEIs, the expanding universe of IEIs affecting distal organ systems and the future of genetic, biochemical and medical discoveries in this field.
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Affiliation(s)
- Yemsratch T Akalu
- Center for Inborn Errors of Immunity, Precision Immunology Institute, Department of Immunology and Immunotherapy, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Dusan Bogunovic
- Center for Inborn Errors of Immunity, Precision Immunology Institute, Department of Immunology and Immunotherapy, Icahn School of Medicine at Mount Sinai, New York, NY, USA.
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4
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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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5
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Şen B, Balcı‐Peynircioğlu B. Cellular models in autoinflammatory disease research. Clin Transl Immunology 2024; 13:e1481. [PMID: 38213819 PMCID: PMC10784111 DOI: 10.1002/cti2.1481] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 12/12/2023] [Accepted: 12/12/2023] [Indexed: 01/13/2024] Open
Abstract
Systemic autoinflammatory diseases are a heterogeneous group of rare genetic disorders caused by dysregulation of the innate immune system. Understanding the complex mechanisms underlying these conditions is critical for developing effective treatments. Cellular models are essential for identifying new conditions and studying their pathogenesis. Traditionally, these studies have used primary cells and cell lines of disease-relevant cell types, although newer induced pluripotent stem cell (iPSC)-based models might have unique advantages. In this review, we discuss the three cellular models used in autoinflammatory disease research, their strengths and weaknesses, and their applications to inform future research in the field.
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Affiliation(s)
- Başak Şen
- Department of Medical BiologyHacettepe University Faculty of Medicine, SıhhiyeAnkaraTurkey
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6
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Aluri J, Cooper MA. Somatic mosaicism in inborn errors of immunity: Current knowledge, challenges, and future perspectives. Semin Immunol 2023; 67:101761. [PMID: 37062181 PMCID: PMC11321052 DOI: 10.1016/j.smim.2023.101761] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Revised: 04/03/2023] [Accepted: 04/05/2023] [Indexed: 04/18/2023]
Abstract
Inborn errors of immunity (IEI) are a diverse group of monogenic disorders of the immune system due to germline variants in genes important for the immune response. Over the past decade there has been increasing recognition that acquired somatic variants present in a subset of cells can also lead to immune disorders or 'phenocopies' of IEI. Discovery of somatic mosaicism causing IEI has largely arisen from investigation of seemingly sporadic cases of IEI with predominant symptoms of autoinflammation and/or autoimmunity in which germline disease-causing variants are not detected. Disease-causing somatic mosaicism has been identified in genes that also cause germline IEI, such as FAS, and in genes without significant corresponding germline disease, such as UBA1 and TLR8. There are challenges in detecting low-level somatic variants, and it is likely that the extent of the somatic mosaicism causing IEI is largely uncharted. Here we review the field of somatic mosaicism leading to IEI and discuss challenges and methods for somatic variant detection, including diagnostic approaches for molecular diagnoses of patients.
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Affiliation(s)
- Jahnavi Aluri
- Department of Pediatrics, Division of Rheumatology/Immunology, Washington University in St. Louis, St. Louis, MO 63110, USA
| | - Megan A Cooper
- Department of Pediatrics, Division of Rheumatology/Immunology, Washington University in St. Louis, St. Louis, MO 63110, USA.
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7
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Moltrasio C, Romagnuolo M, Marzano AV. NLRP3 inflammasome and NLRP3-related autoinflammatory diseases: From cryopyrin function to targeted therapies. Front Immunol 2022; 13:1007705. [PMID: 36275641 PMCID: PMC9583146 DOI: 10.3389/fimmu.2022.1007705] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2022] [Accepted: 09/22/2022] [Indexed: 11/17/2022] Open
Abstract
The NLRP3 inflammasome is one of the NOD-like receptor family members with the most functional characterization and acts as a key player in innate immune system, participating in several physiological processes including, among others, the modulation of the immune system response and the coordination of host defences. Activation of the inflammasome is a crucial signaling mechanism that promotes both an acute and a chronic inflammatory response, which can accelerate the production of pro-inflammatory cytokines, mainly Interleukin (IL)-1β and IL-18, leading to an exacerbated inflammatory network. Cryopyrin associated periodic syndrome (CAPS) is a rare inherited autoinflammatory disorder, clinically characterized by cutaneous and systemic, musculoskeletal, and central nervous system inflammation. Gain-of-function mutations in NLRP3 gene are causative of signs and inflammatory symptoms in CAPS patients, in which an abnormal activation of the NLRP3 inflammasome, resulting in an inappropriate release of IL-1β and gasdermin-D-dependent pyroptosis, has been demonstrated both in in vitro and in ex vivo studies. During recent years, two new hereditary NLRP3-related disorders have been described, deafness autosomal dominant 34 (DFN34) and keratitis fugax hereditaria (KFH), with an exclusive cochlear- and anterior eye- restricted autoinflammation, respectively, and caused by mutations in NLRP3 gene, thus expanding the clinical and genetic spectrum of NLRP3-associated autoinflammatory diseases. Several crucial mechanisms involved in the control of activation and regulation of the NLRP3 inflammasome have been identified and researchers took advantage of this to develop novel target therapies with a significant improvement of clinical signs and symptoms of NLRP3-associated diseases. This review provides a broad overview of NLRP3 inflammasome biology with particular emphasis on CAPS, whose clinical, genetic, and therapeutic aspects will be explored in depth. The latest evidence on two “new” diseases, DFN34 and KFH, caused by mutations in NLRP3 is also described.
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Affiliation(s)
- Chiara Moltrasio
- Dermatology Unit, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, Milan, Italy
- Department of Medical Surgical and Health Sciences, University of Trieste, Trieste, Italy
- *Correspondence: Chiara Moltrasio,
| | - Maurizio Romagnuolo
- Dermatology Unit, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, Milan, Italy
- Department of Pathophysiology and Transplantation, Università degli Studi di Milano, Milan, Italy
| | - Angelo Valerio Marzano
- Dermatology Unit, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, Milan, Italy
- Department of Pathophysiology and Transplantation, Università degli Studi di Milano, Milan, Italy
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8
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Romano M, Arici ZS, Piskin D, Alehashemi S, Aletaha D, Barron K, Benseler S, Berard RA, Broderick L, Dedeoglu F, Diebold M, Durrant K, Ferguson P, Foell D, Hausmann JS, Jones OY, Kastner D, Lachmann HJ, Laxer RM, Rivera D, Ruperto N, Simon A, Twilt M, Frenkel J, Hoffman HM, de Jesus AA, Kuemmerle-Deschner JB, Ozen S, Gattorno M, Goldbach-Mansky R, Demirkaya E. The 2021 EULAR/American College of Rheumatology Points to Consider for Diagnosis, Management and Monitoring of the Interleukin-1 Mediated Autoinflammatory Diseases: Cryopyrin-Associated Periodic Syndromes, Tumour Necrosis Factor Receptor-Associated Periodic Syndrome, Mevalonate Kinase Deficiency, and Deficiency of the Interleukin-1 Receptor Antagonist. Arthritis Rheumatol 2022; 74:1102-1121. [PMID: 35621220 DOI: 10.1002/art.42139] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Revised: 03/02/2022] [Accepted: 03/02/2022] [Indexed: 12/14/2022]
Abstract
BACKGROUND The interleukin-1 (IL-1) mediated systemic autoinflammatory diseases, including the cryopyrin- associated periodic syndromes (CAPS), tumour necrosis factor receptor-associated periodic syndrome (TRAPS), mevalonate kinase deficiency (MKD) and deficiency of the IL-1 receptor antagonist (DIRA), belong to a group of rare immunodysregulatory diseases that primarily present in early childhood with variable multiorgan involvement. When untreated, patients with severe clinical phenotypes have a poor prognosis, and diagnosis and management of these patients can be challenging. However, approved treatments targeting the proinflammatory cytokine IL-1 have been life changing and have significantly improved patient outcomes. OBJECTIVE To establish evidence-based recommendations for diagnosis, treatment and monitoring of patients with IL-1 mediated autoinflammatory diseases to standardise their management. METHODS A multinational, multidisciplinary task force consisting of physician experts, including rheumatologists, patients or caregivers and allied healthcare professionals, was established. Evidence synthesis, including systematic literature review and expert consensus (Delphi) via surveys, was conducted. Consensus methodology was used to formulate and vote on statements to guide optimal patient care. RESULTS The task force devised five overarching principles, 14 statements related to diagnosis, 10 on therapy, and nine focused on long-term monitoring that were evidence and/or consensus-based for patients with IL-1 mediated diseases. An outline was developed for disease-specific monitoring of inflammation-induced organ damage progression and reported treatments of CAPS, TRAPS, MKD and DIRA. CONCLUSION The 2021 EULAR/American College of Rheumatology points to consider represent state-of-the-art knowledge based on published data and expert opinion to guide diagnostic evaluation, treatment and monitoring of patients with CAPS, TRAPS, MKD and DIRA, and to standardise and improve care, quality of life and disease outcomes.
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Affiliation(s)
- Micol Romano
- University of Western Ontario, London, Ontario, Canada
| | - Z Serap Arici
- Sanliurfa Training and Research Hospital, Sanliurfa, Turkey
| | - David Piskin
- University of Western Ontario, London, Ontario, Canada
| | - Sara Alehashemi
- National Institute of Allergy and Infectious Diseases, NIH, Bethesda, Maryland
| | | | - Karyl Barron
- National Institute of Allergy and Immunology, NIH, Bethesda, Maryland
| | | | | | - Lori Broderick
- University of California and Rady Children's Hospital, San Diego, California
| | | | | | - Karen Durrant
- Autoinflammatory Alliance and Kaiser Foundation Hospital, San Francisco, California
| | | | - Dirk Foell
- University of Muenster, Muenster, Germany
| | - Jonathan S Hausmann
- Boston Children's Hospital and Beth Israel Deaconess Medical Center, Boston, Massachusetts
| | - Olcay Y Jones
- Walter Reed National Military Medical Center, Bethesda, Maryland
| | - Daniel Kastner
- National Human Genome Research Institute, NIH, Bethesda, Maryland
| | | | - Ronald M Laxer
- The Hospital for Sick Children, University of Toronto, Toronto, Ontario, Canada
| | | | | | - Anna Simon
- Radboud University Medical Centre, Nijmegen, The Netherlands
| | | | - Joost Frenkel
- Wilhelmina Kinderziekenhuis, Utrecht, The Netherlands
| | - Hal M Hoffman
- University of California and Rady Children's Hospital, San Diego, California
| | - Adriana A de Jesus
- National Institute of Allergy and Infectious Diseases, NIH, Bethesda, Maryland
| | | | - Seza Ozen
- Hacettepe University, Ankara, Turkey
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9
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Romano M, Arici ZS, Piskin D, Alehashemi S, Aletaha D, Barron KS, Benseler S, Berard R, Broderick L, Dedeoglu F, Diebold M, Durrant KL, Ferguson P, Foell D, Hausmann J, Jones OY, Kastner DL, Lachmann HJ, Laxer RM, Rivera D, Ruperto N, Simon A, Twilt M, Frenkel J, Hoffman H, de Jesus AA, Kuemmerle-Deschner JB, Ozen S, Gattorno M, Goldbach-Mansky R, Demirkaya E. The 2021 EULAR/American College of Rheumatology points to consider for diagnosis, management and monitoring of the interleukin-1 mediated autoinflammatory diseases: cryopyrin-associated periodic syndromes, tumour necrosis factor receptor-associated periodic syndrome, mevalonate kinase deficiency, and deficiency of the interleukin-1 receptor antagonist. Ann Rheum Dis 2022; 81:907-921. [PMID: 35623638 DOI: 10.1136/annrheumdis-2021-221801] [Citation(s) in RCA: 40] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Accepted: 03/02/2022] [Indexed: 12/29/2022]
Abstract
BACKGROUND The interleukin-1 (IL-1) mediated systemic autoinflammatory diseases, including the cryopyrin-associated periodic syndromes (CAPS), tumour necrosis factor receptor-associated periodic syndrome (TRAPS), mevalonate kinase deficiency (MKD) and deficiency of the IL-1 receptor antagonist (DIRA), belong to a group of rare immunodysregulatory diseases that primarily present in early childhood with variable multiorgan involvement. When untreated, patients with severe clinical phenotypes have a poor prognosis, and diagnosis and management of these patients can be challenging. However, approved treatments targeting the proinflammatory cytokine IL-1 have been life changing and have significantly improved patient outcomes. OBJECTIVE To establish evidence-based recommendations for diagnosis, treatment and monitoring of patients with IL-1 mediated autoinflammatory diseases to standardise their management. METHODS A multinational, multidisciplinary task force consisting of physician experts, including rheumatologists, patients or caregivers and allied healthcare professionals, was established. Evidence synthesis, including systematic literature review and expert consensus (Delphi) via surveys, was conducted. Consensus methodology was used to formulate and vote on statements to guide optimal patient care. RESULTS The task force devised five overarching principles, 14 statements related to diagnosis, 10 on therapy, and nine focused on long-term monitoring that were evidence and/or consensus-based for patients with IL-1 mediated diseases. An outline was developed for disease-specific monitoring of inflammation-induced organ damage progression and reported treatments of CAPS, TRAPS, MKD and DIRA. CONCLUSION The 2021 EULAR/American College of Rheumatology points to consider represent state-of-the-art knowledge based on published data and expert opinion to guide diagnostic evaluation, treatment and monitoring of patients with CAPS, TRAPS, MKD and DIRA, and to standardise and improve care, quality of life and disease outcomes.
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Affiliation(s)
- Micol Romano
- Department of Pediatrics, Division of Pediatric Rheumatology, Behcet and Autoinflammatory Disease Center, Western University, London, Ontario, Canada
| | - Z Serap Arici
- Department of Pediatric Rheumatology, Sanliurfa Mehmet Akif Inan Training and Research Hospital, Sanliurfa, Sanliurfa, Turkey
| | - David Piskin
- Lawson Health Research Institute and Department of Epidemiology and Biostatistics, Western University, London, Ontario, Canada
| | - Sara Alehashemi
- Translational Autoinflammatory Diseases Section (TADS), Laboratory of Clinical Immunology and Microbiology (LCIM), NIAID, NIH, Bethesda, Maryland, USA
| | - Daniel Aletaha
- Division of Rheumatology, Medical University of Vienna, Wien, Austria
| | - Karyl S Barron
- Division of Intramural Research, National Institute of Allergy and Immunology, NIH, Bethesda, Maryland, USA
| | - Susanne Benseler
- Division of Rheumatology, Department of Pediatrics, Alberta Children's Hospital, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Roberta Berard
- Division of Pediatric Rheumatology, Department of Paediatrics, Schulich School of Medicine&Dentistry, Western University, London, Ontario, Canada
| | - Lori Broderick
- Division of Pediatric Allergy, Immunology, and Rheumatology, University of California and Rady Children's Hospital, San Diego, California, USA
| | - Fatma Dedeoglu
- Department of Pediatrics, Harvard Medical School, Boston, Massachusetts, USA
| | - Michelle Diebold
- Division of Pediatric Rheumatology, Department of Paediatrics, LHSC Children's Hospital, London, Ontario, Canada
| | | | - Polly Ferguson
- Department of Pediatrics, University of Iowa, Iowa City, Iowa, USA
| | - Dirk Foell
- Department of Pediatric Rheumatology and Immunology, University of Muenster, Muenster, Germany
| | - Jonathan Hausmann
- Department of Pediatrics, Boston Children's Hospital, Boston, Massachusetts, USA
| | - Olcay Y Jones
- Department of Pediatrics, Walter Reed National Military Medical Center (WRNMMC), Bethesda, Maryland, USA
| | - Daniel L Kastner
- Division of Intramural Research, National Institute of Allergy and Immunology, NIH, Bethesda, Maryland, USA
| | | | - Ronald M Laxer
- Division of Rheumatology, University of Toronto, Toronto, Ontario, Canada
| | - Dorelia Rivera
- Autoinflammatory Alliance, San Francisco, California, USA
| | - Nicolino Ruperto
- IRCCS Istituto Giannina Gaslini, UOSID Centro Trial, Genova, Italy
| | - Anna Simon
- Department of General Internal Medicine, Radboud University Medical Centre, Nijmegen, The Netherlands
| | - Marinka Twilt
- Division of Rheumatology, Department of Pediatrics, Alberta Children's Hospital, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Joost Frenkel
- Department of Pediatrics, Wilhelmina Kinderziekenhuis Polikliniek Algemene Kindergeneeskunde, Utrecht, Utrecht, The Netherlands
| | - Hal Hoffman
- Division of Pediatric Allergy, Immunology, and Rheumatology, University of California at San Diego, San Diego, California, USA
| | - Adriana A de Jesus
- Laboratory of Clinical Immunology and Microbiology, National Institute of Allergy and Infectious Diseases, Bethesda, Maryland, USA
| | | | - Seza Ozen
- Department of Pediatric Rheumatology, Hacettepe University, Ankara, Turkey
| | - Marco Gattorno
- UOSD Centro Malattie Autoinfiammatorie e Immunodeficienze, IRCCS Istituto Giannina Gaslini, Genoa, Italy.,Clinica Pediatrica e Reumatologia, IRCCS Istituto Giannina Gaslini
| | - Raphaela Goldbach-Mansky
- Translational Autoinflammatory Diseases Section (TADS), National Institute of Allergy and Infectious Diseases, NIH, Bethesda, Maryland, USA
| | - Erkan Demirkaya
- Division of Paediatric Rheumatology, Department of Paediatrics, Behcet and Autoinflammatory Disease Center and Department of Epidemiology and Biostatistics, Schulich School of Medicine & Dentistry, Western University, London, Ontario, Canada
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10
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Sikora KA, Wells KV, Bolek EC, Jones AI, Grayson PC. Somatic Mutations in Rheumatologic Diseases: VEXAS Syndrome and Beyond. Rheumatology (Oxford) 2021; 61:3149-3160. [PMID: 34888629 DOI: 10.1093/rheumatology/keab868] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2021] [Revised: 10/27/2021] [Accepted: 11/06/2021] [Indexed: 11/15/2022] Open
Abstract
Discovery of the VEXAS (vacuoles, E1 enzyme, X-linked, autoinflammatory, somatic) syndrome demonstrates that somatic mutations in hematologic precursor cells can cause adult-onset, complex inflammatory disease. Unlike germline mutations, somatic mutations occur throughout the lifespan, are restricted to specific tissue types, and may play a causal role in non-heritable rheumatologic diseases, especially conditions that start in later life. Improvements in sequencing technology have enabled researchers and clinicians to detect somatic mutations in various tissue types, especially blood. Understanding the relationships between cell-specific acquired mutations and inflammation is likely to yield key insights into causal factors that underlie many rheumatologic diseases. The objective of this review is to detail how somatic mutations are likely to be relevant to clinicians who care for patients with rheumatologic diseases, with particular focus on the pathogenetic mechanisms of the VEXAS syndrome.
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Affiliation(s)
- Keith A Sikora
- National Institutes of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Bethesda, MD, USA
| | - Kristina V Wells
- National Institutes of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Bethesda, MD, USA
| | - Ertugrul Cagri Bolek
- National Institutes of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Bethesda, MD, USA
- Division of Rheumatology, Department of Internal Medicine, Faculty of Medicine, Hacettepe University, Ankara, Turkey
| | - Adrianna I Jones
- National Institutes of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Bethesda, MD, USA
| | - Peter C Grayson
- National Institutes of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Bethesda, MD, USA
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11
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Lipopolysaccharide stimulation test on cultured PBMCs assists the discrimination of cryopyrin-associated periodic syndrome from systemic juvenile idiopathic arthritis. Sci Rep 2021; 11:11903. [PMID: 34099791 PMCID: PMC8185076 DOI: 10.1038/s41598-021-91354-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2021] [Accepted: 05/13/2021] [Indexed: 12/30/2022] Open
Abstract
Systemic juvenile idiopathic arthritis (sJIA) and cryopyrin-associated periodic syndrome (CAPS) share many common manifestations. We aim to identify an applicable method to assist disease discrimination. Inflammatory cytokines were measured in the plasma of patients with CAPS, sJIA with persistent disease course and healthy controls. Supernatants collected from non-stimulated peripheral blood mononuclear cells (PBMCs) and those undergone inflammasome stimulation tests utilizing lipopolysaccharide (LPS) with and without adenosine triphosphate (ATP) were investigated. Inflammatory cytokines in patient plasma fail to differentiate sJIA from CAPS. PBMCs from sJIA secrets higher amount of IL-1β and IL-18 while CAPS PBMCs produces more caspase-1 without stimulation. IL-1β, IL-18, and caspase-1 were significantly elevated among CAPS PBMCs (all p < 0.05) upon LPS stimulation, but not when additional ATPs were provided. Levels of cytokines and PBMC responses to the stimulation assays were similar among all sJIA patients regardless of their history of macrophage activation syndrome. Unstimulated PBMC activities and the LPS inflammasome stimulation assay without exogenic ATPs can assist the differentiation of CAPS from sJIA with persistent disease course.
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12
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Aksentijevich I, Schnappauf O. Molecular mechanisms of phenotypic variability in monogenic autoinflammatory diseases. Nat Rev Rheumatol 2021; 17:405-425. [PMID: 34035534 DOI: 10.1038/s41584-021-00614-1] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/06/2021] [Indexed: 02/08/2023]
Abstract
Monogenic autoinflammatory diseases are a group of rheumatologic disorders caused by dysregulation in the innate immune system. The molecular mechanisms of these disorders are linked to defects in inflammasome-mediated, NF-κB-mediated or interferon-mediated inflammatory signalling pathways, cytokine receptors, the actin cytoskeleton, proteasome complexes and various enzymes. As with other human disorders, disease-causing variants in a single gene can present with variable expressivity and incomplete penetrance. In some cases, pathogenic variants in the same gene can be inherited either in a recessive or dominant manner and can cause distinct and seemingly unrelated phenotypes, although they have a unifying biochemical mechanism. With an enhanced understanding of protein structure and functionality of protein domains, genotype-phenotype correlations are beginning to be unravelled. Many of the mutated proteins are primarily expressed in haematopoietic cells, and their malfunction leads to systemic inflammation. Disease presentation is also defined by a specific effect of the mutant protein in a particular cell type and, therefore, the resulting phenotype might be more deleterious in one tissue than in another. Many patients present with the expanded immunological disease continuum that includes autoinflammation, immunodeficiency, autoimmunity and atopy, which necessitate genetic testing.
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Affiliation(s)
- Ivona Aksentijevich
- Inflammatory Disease Section, National Human Genome Research Institute, National Institutes of Health, Bethesda, MD, USA.
| | - Oskar Schnappauf
- Inflammatory Disease Section, National Human Genome Research Institute, National Institutes of Health, Bethesda, MD, USA
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13
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Aluri J, Cooper MA. Genetic Mosaicism as a Cause of Inborn Errors of Immunity. J Clin Immunol 2021; 41:718-728. [PMID: 33864184 PMCID: PMC8068627 DOI: 10.1007/s10875-021-01037-z] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2021] [Accepted: 04/05/2021] [Indexed: 12/13/2022]
Abstract
Inborn errors of immunity (IEIs) are a heterogeneous group of disorders due to genetic defects in the immune response that have a broad clinical spectrum. Diagnosis of the precise genetic cause of IEI has led to improved care and treatment of patients; however, genetic diagnosis using standard approaches is only successful in ~40% of patients and is particularly challenging in “sporadic” cases without a family history. Standard genetic testing for IEI evaluates for germline changes in genes encoding proteins important for the immune response. It is now clear that IEI can also arise from de novo mutations leading to genetic variants present in germ cells and/or somatic cells. In particular, somatic mosaicism, i.e., post-zygotic genetic changes in DNA sequence, is emerging as a significant contributor to IEI. Testing for somatic mosaicism can be challenging, and both older sequencing techniques such as Sanger sequencing and newer next-generation sequencing may not be sensitive enough to detect variants depending on the platform and analysis tools used. Investigation of multiple tissue samples and specifically targeting sequence technologies to detect low frequency variants is important for detection of variants. This review examines the role and functional consequences of genetic mosaicism in IEI. We emphasize the need to refine the current exome and genome analysis pipeline to efficiently identify mosaic variants and recommend considering somatic mosaicism in disease discovery and in the first-tier of genetic analysis.
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Affiliation(s)
- Jahnavi Aluri
- Department of Pediatrics, Division of Rheumatology/Immunology, Washington University in St. Louis, 660 S. Euclid Ave. Box 8208, St. Louis, MO, 63110, USA
| | - Megan A Cooper
- Department of Pediatrics, Division of Rheumatology/Immunology, Washington University in St. Louis, 660 S. Euclid Ave. Box 8208, St. Louis, MO, 63110, USA.
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14
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Samson JM, Ravindran Menon D, Vaddi PK, Kalani Williams N, Domenico J, Zhai Z, Backos DS, Fujita M. Computational Modeling of NLRP3 Identifies Enhanced ATP Binding and Multimerization in Cryopyrin-Associated Periodic Syndromes. Front Immunol 2020; 11:584364. [PMID: 33329557 PMCID: PMC7711157 DOI: 10.3389/fimmu.2020.584364] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2020] [Accepted: 10/20/2020] [Indexed: 11/13/2022] Open
Abstract
Cyropyrin-associated periodic syndromes (CAPS) are clinically distinct syndromes that encompass a phenotypic spectrum yet are caused by alterations in the same gene, NLRP3. Many CAPS cases and other NLRP3-autoinflammatory diseases (NLRP3-AIDs) are directly attributed to protein-coding alterations in NLRP3 and the subsequent dysregulation of the NLRP3 inflammasome leading to IL-1β-mediated inflammatory states. Here, we used bioinformatics tools, computational modeling, and computational assessments to explore the proteomic consequences of NLRP3 mutations, which potentially drive NLRP3 inflammasome dysregulation. We analyzed 177 mutations derived from familial cold autoinflammatory syndrome (FCAS), Muckle-Wells Syndrome (MWS), and the non-hereditary chronic infantile neurologic cutaneous and articular syndrome, also known as neonatal-onset multisystem inflammatory disease (CINCA/NOMID), as well as other NLRP3-AIDs. We found an inverse relationship between clinical severity and the severity of predicted structure changes resulting from mutations in NLRP3. Bioinformatics tools and computational modeling revealed that NLRP3 mutations that are predicted to be structurally severely-disruptive localize around the ATP binding pocket and that specific proteo-structural changes to the ATP binding pocket lead to enhanced ATP binding affinity by altering hydrogen-bond and charge interactions. Furthermore, we demonstrated that NLRP3 mutations that are predicted to be structurally mildly- or moderately-disruptive affect protein-protein interactions, such as NLRP3-ASC binding and NLRP3-NLRP3 multimerization, enhancing inflammasome formation and complex stability. Taken together, we provide evidence that proteo-structural mechanisms can explain multiple mechanisms of inflammasome activation in NLRP3-AID.
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Affiliation(s)
- Jenny Mae Samson
- Department of Dermatology, University of Colorado Anschutz Medical Campus, Aurora, CO, United States
| | - Dinoop Ravindran Menon
- Department of Dermatology, University of Colorado Anschutz Medical Campus, Aurora, CO, United States
| | - Prasanna K Vaddi
- Department of Dermatology, University of Colorado Anschutz Medical Campus, Aurora, CO, United States
| | - Nazanin Kalani Williams
- Department of Dermatology, University of Colorado Anschutz Medical Campus, Aurora, CO, United States
| | - Joanne Domenico
- Department of Dermatology, University of Colorado Anschutz Medical Campus, Aurora, CO, United States
| | - Zili Zhai
- Department of Dermatology, University of Colorado Anschutz Medical Campus, Aurora, CO, United States
| | - Donald S Backos
- Department of Pharmaceutical Sciences, Skaggs School of Pharmacy, University of Colorado Anschutz Medical Campus, Aurora, CO, United States
| | - Mayumi Fujita
- Department of Dermatology, University of Colorado Anschutz Medical Campus, Aurora, CO, United States.,Department of Immunology, University of Colorado Anschutz Medical Campus, Aurora, CO, United States.,Denver VA Medical Center, Aurora, CO, United States
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15
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Yamasaki Y, Kubota T, Takei S, Imanaka H, Nonaka Y, Kawano Y. A case of cryopyrin-associated periodic fever syndrome during canakinumab administration complicated by inflammatory bowel disease. Clin Rheumatol 2020; 40:393-397. [PMID: 32623652 DOI: 10.1007/s10067-020-05267-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2020] [Revised: 06/22/2020] [Accepted: 06/25/2020] [Indexed: 10/23/2022]
Abstract
Cryopyrin-associated periodic fever syndrome (CAPS) is a highly debilitating disorder, which is characterized by unregulated interleukin-1β production driven by autosomal dominantly inherited mutations in the NLRP3 gene. Patients with CAPS often present with early-onset episodes of fever and rash. These patients also present with variable systemic signs and symptoms, such as arthritis, sensorineural hearing loss, chronic aseptic meningitis, and skeletal abnormalities, but minimal gastrointestinal symptoms. Recently, effective therapies for CAPS targeted against interleukin-1 have become available. We report a case of a young Japanese woman with CAPS who developed inflammatory bowel disease during canakinumab therapy. The patient had colostomy after intestinal perforation and changed canakinumab to infliximab. To the best of our knowledge, this is the first report of a case of inflammatory bowel disease secondary to CAPS complicated by gastrointestinal symptoms and arthritis which canakinumab could not control. Patients with CAPS who have symptoms that cannot be controlled by canakinumab should be considered for possible co-morbidities.
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Affiliation(s)
- Yuichi Yamasaki
- Department of Pediatrics, Kagoshima University Hospital, 35-1 Sakuragaoka Kagoshimashi, Kagoshima, 890-8520, Japan.
| | - Tomohiro Kubota
- Department of Pediatrics, Kagoshima University Hospital, 35-1 Sakuragaoka Kagoshimashi, Kagoshima, 890-8520, Japan
| | - Syuji Takei
- Department of Pediatrics, Kagoshima University Hospital, 35-1 Sakuragaoka Kagoshimashi, Kagoshima, 890-8520, Japan
| | - Hiroyuki Imanaka
- Department of Pediatrics, Kagoshima University Hospital, 35-1 Sakuragaoka Kagoshimashi, Kagoshima, 890-8520, Japan
| | - Yukiko Nonaka
- Department of Pediatrics, Kagoshima University Hospital, 35-1 Sakuragaoka Kagoshimashi, Kagoshima, 890-8520, Japan
| | - Yoshifumi Kawano
- Department of Pediatrics, Kagoshima University Hospital, 35-1 Sakuragaoka Kagoshimashi, Kagoshima, 890-8520, Japan
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16
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Nishikomori R, Izawa K, Kambe N, Ohara O, Yasumi T. Low-frequency mosaicism in cryopyrin-associated periodic fever syndrome: mosaicism in systemic autoinflammatory diseases. Int Immunol 2020; 31:649-655. [PMID: 31185077 DOI: 10.1093/intimm/dxz047] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2019] [Accepted: 06/10/2019] [Indexed: 01/18/2023] Open
Abstract
Autoinflammatory disease is an 'inborn error of immunity', resulting in systemic inflammation. Cryopyrin-associated periodic syndrome (CAPS) is a prototypical autoinflammatory disease caused by gain-of-function mutations in the NLRP3 (NLR family pyrin domain containing 3) gene; these mutations activate the NLRP3 inflammasome, resulting in overproduction of IL-1β. The first case of CAPS caused by somatic NLRP3 mosaicism was reported in 2005 after identification of variant small peaks by Sanger sequencing. An international collaborative study revealed that the majority of mutation-negative CAPS cases are due to low-level NLRP3 mosaicism, suggesting that central nervous system involvement in somatic mosaicism patients is milder than in genotype-matched heterozygous patients. Recent advances in next-generation sequencing have expanded the number of NLRP3 somatic mosaicism cases and identified a new entity called 'late-onset CAPS with myeloid-specific NLRP3 mosaicism'; however, no mosaic-specific clinical features have been identified/confirmed yet. With respect to NLRP3 mosaicism in CAPS, a prospective longitudinal study on the variant genotype, its allele frequency and its tissue distribution (along with a comprehensive clinical phenotype) would provide better understanding of NLRP3 mosaicism, resulting in more appropriate patient care and genetic counseling.
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Affiliation(s)
- Ryuta Nishikomori
- Department of Pediatrics and Child Health, Kurume University School of Medicine, Kurume, Japan
| | - Kazushi Izawa
- Department of Pediatrics, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Naotomo Kambe
- Department of Dermatology, Kansai Medical University, Hirakata, Japan
| | - Osamu Ohara
- Deparment of Applied Genomics, Kazusa DNA Research Institute, Kisarazu, Japan
| | - Takahiro Yasumi
- Department of Pediatrics, Graduate School of Medicine, Kyoto University, Kyoto, Japan
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17
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Schnappauf O, Aksentijevich I. Current and future advances in genetic testing in systemic autoinflammatory diseases. Rheumatology (Oxford) 2020; 58:vi44-vi55. [PMID: 31769854 PMCID: PMC6878845 DOI: 10.1093/rheumatology/kez294] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2019] [Revised: 05/22/2019] [Indexed: 12/31/2022] Open
Abstract
Systemic autoinflammatory diseases (SAIDs) are a group of inflammatory disorders caused by dysregulation in the innate immune system that leads to enhanced immune responses. The clinical diagnosis of SAIDs can be difficult since individually these are rare diseases with considerable phenotypic overlap. Most SAIDs have a strong genetic background, but environmental and epigenetic influences can modulate the clinical phenotype. Molecular diagnosis has become essential for confirmation of clinical diagnosis. To date there are over 30 genes and a variety of modes of inheritance that have been associated with monogenic SAIDs. Mutations in the same gene can lead to very distinct phenotypes and can have different inheritance patterns. In addition, somatic mutations have been reported in several of these conditions. New genetic testing methods and databases are being developed to facilitate the molecular diagnosis of SAIDs, which is of major importance for treatment, prognosis and genetic counselling. The aim of this review is to summarize the latest advances in genetic testing for SAIDs and discuss potential obstacles that might arise during the molecular diagnosis of SAIDs.
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Affiliation(s)
- Oskar Schnappauf
- Metabolic, Cardiovascular and Inflammatory Disease Genomics Branch, National Human Genome Research Institute, National Institutes of Health, Bethesda, MD, USA
| | - Ivona Aksentijevich
- Metabolic, Cardiovascular and Inflammatory Disease Genomics Branch, National Human Genome Research Institute, National Institutes of Health, Bethesda, MD, USA
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18
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Gupta A, Tripathy SK, Phulware RH, Arava S, Bagri NK. Cryopyrin-associated periodic fever syndrome in children: A case-based review. Int J Rheum Dis 2019; 23:262-270. [PMID: 31858722 DOI: 10.1111/1756-185x.13772] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2019] [Revised: 10/05/2019] [Accepted: 11/22/2019] [Indexed: 01/18/2023]
Abstract
Cryopyrin-associated periodic fever syndrome (CAPS) represents an increasingly recognized disease group entity, with varied presentations. CAPS includes 3 clinical entities, namely, familial cold-induced autoinflammatory syndrome (FCAS; MIM #120100), Muckle-Wells syndrome (MWS; MIM #191900) and chronic inflammatory neurologic cutaneous and articular syndrome (CINCA; MIM #607115); which share several overlapping clinical features. These patients often present with early-onset episodes of fever and rash, and variable systemic signs and symptoms, making it a great mimicker of other systemic autoimmune diseases. The episodes are transient and related to exposure to cold temperature and worsen in the winter season. We hereby present a case presenting with recurrent seasonal fever and rash, diagnosed as FCAS/ MWS overlap based on clinical signs and symptoms and positive testing for NLRP3 gene mutation. We also discuss the clinical presentation and complications of CAPS, chiefly FCAS and MWS, along with the previously described pediatric cases of CAPS. We tried to review the complexities of management of such patients, including the genetic diagnosis and the role of biological therapy. Based on the review of the literature, given the evident broad spectrum of symptoms and signs, use of next-generation sequencing can help in prompt diagnosis and early initiation of biological agents, which may play a great role in reducing the complications that these patients may experience in the long run.
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Affiliation(s)
- Ayush Gupta
- Department of Pediatrics, All India Institute of Medical Sciences, New Delhi, India
| | - Saroj Kumar Tripathy
- Department of Pediatrics, All India Institute of Medical Sciences, New Delhi, India
| | - Ravi Hari Phulware
- Department of Pathology, All India Institute of Medical Sciences, New Delhi, India
| | - Sudheer Arava
- Department of Pathology, All India Institute of Medical Sciences, New Delhi, India
| | - Narendra Kumar Bagri
- Division of Rheumatology, Department of Pediatrics, All India Institute of Medical Sciences, New Delhi, India
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19
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Singh A, Jindal AK, Joshi V, Anjani G, Rawat A. An updated review on phenocopies of primary immunodeficiency diseases. Genes Dis 2019; 7:12-25. [PMID: 32181272 PMCID: PMC7063430 DOI: 10.1016/j.gendis.2019.09.007] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2019] [Revised: 08/28/2019] [Accepted: 09/04/2019] [Indexed: 02/07/2023] Open
Abstract
Primary immunodeficiency diseases (PIDs) refer to a heterogenous group of disorders characterized clinically by increased susceptibility to infections, autoimmunity and increased risk of malignancies. These group of disorders present with clinical manifestations similar to PIDs with known genetic defects but have either no genetic defect or have a somatic mutation and thus have been labelled as “Phenocopies of PIDs”. These diseases have been further subdivided into those associated with somatic mutations and those associated with presence of auto-antibodies against various cytokines. In this review, we provide an update on clinical manifestations, diagnosis and management of these diseases.
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Affiliation(s)
- Ankita Singh
- Allergy Immunology Unit, Department of Pediatrics, Advanced Pediatrics Centre, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Ankur K Jindal
- Allergy Immunology Unit, Department of Pediatrics, Advanced Pediatrics Centre, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Vibhu Joshi
- Allergy Immunology Unit, Department of Pediatrics, Advanced Pediatrics Centre, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Gummadi Anjani
- Allergy Immunology Unit, Department of Pediatrics, Advanced Pediatrics Centre, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Amit Rawat
- Allergy Immunology Unit, Department of Pediatrics, Advanced Pediatrics Centre, Postgraduate Institute of Medical Education and Research, Chandigarh, India
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20
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Assrawi E, Louvrier C, Lepelletier C, Georgin-Lavialle S, Bouaziz JD, Awad F, Moinet F, Moguelet P, Vignon-Pennamen MD, Piterboth W, Jumeau C, Cobret L, El Khouri E, Copin B, Duquesnoy P, Legendre M, Grateau G, Karabina SA, Amselem S, Giurgea I. Somatic Mosaic NLRP3 Mutations and Inflammasome Activation in Late-Onset Chronic Urticaria. J Invest Dermatol 2019; 140:791-798.e2. [PMID: 31513803 DOI: 10.1016/j.jid.2019.06.153] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2019] [Revised: 06/26/2019] [Accepted: 06/27/2019] [Indexed: 01/20/2023]
Abstract
Chronic urticaria is a common skin disorder with heterogeneous causes. In the absence of physical triggers, chronic urticarial rash is called idiopathic or spontaneous. The objective of this study was to identify the molecular and cellular bases of a disease condition displayed by two unrelated patients aged over 60 years who presented for two decades with a chronic urticaria resistant to standard therapy that occurred in the context of systemic inflammation not triggered by cold. In both patients, a targeted sequencing approach using a next generation technology identified somatic mosaic mutations in NLRP3, a gene encoding a key inflammasome component. The study of several of both patients' cell types showed that, despite the late onset of the disease, NLRP3 mutations were not found to be restricted to myelomonocytic cells. Rather, the data obtained strongly suggested that the mutational event occurred very early, during embryonic development. As shown by functional studies, the identified mutations-an in-frame deletion and a recurrent NLRP3 missense mutation-have a gain-of-function effect on NLRP3-inflammasome activation. Consistently, a complete remission was obtained in both patients with anti-IL-1 receptor antagonists. This study unveils that in late-onset chronic urticaria, the search for autoinflammatory markers and somatic mosaic NLRP3 mutations may have important diagnostic and therapeutic consequences.
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Affiliation(s)
- Eman Assrawi
- Sorbonne Université, INSERM, Hôpital Trousseau, Maladies génétiques d'expression pédiatrique, Paris, France
| | - Camille Louvrier
- Sorbonne Université, INSERM, Hôpital Trousseau, Maladies génétiques d'expression pédiatrique, Paris, France; Unité Fonctionnelle de génétique moléculaire, Assistance Publique-Hôpitaux de Paris, Hôpital Trousseau, Paris, France
| | - Clémence Lepelletier
- Service de dermatologie, Assistance Publique-Hôpitaux de Paris, Hôpital Saint-Louis, Paris, France
| | - Sophie Georgin-Lavialle
- Sorbonne Université, INSERM, Hôpital Trousseau, Maladies génétiques d'expression pédiatrique, Paris, France; Service de médecine interne, Assistance Publique-Hôpitaux de Paris, Hôpital Tenon, Paris, France
| | - Jean-David Bouaziz
- Service de dermatologie, Assistance Publique-Hôpitaux de Paris, Hôpital Saint-Louis, Paris, France
| | - Fawaz Awad
- Sorbonne Université, INSERM, Hôpital Trousseau, Maladies génétiques d'expression pédiatrique, Paris, France; Current address: Al-Quds University, Faculty of Medicine, Biochemistry and Molecular Biology Department, Abu Deis, Jerusalem, Palestine
| | - Florence Moinet
- Service de médecine interne, Centre Hospitalier Universitaire de Martinique, Martinique, Fort de France, France
| | - Philippe Moguelet
- Unité d'anatomie et cytologie pathologiques, Assistance Publique-Hôpitaux de Paris, Hôpital Tenon, Paris, France
| | | | - William Piterboth
- Unité Fonctionnelle de génétique moléculaire, Assistance Publique-Hôpitaux de Paris, Hôpital Trousseau, Paris, France
| | - Claire Jumeau
- Sorbonne Université, INSERM, Hôpital Trousseau, Maladies génétiques d'expression pédiatrique, Paris, France
| | - Laetitia Cobret
- Sorbonne Université, INSERM, Hôpital Trousseau, Maladies génétiques d'expression pédiatrique, Paris, France
| | - Elma El Khouri
- Sorbonne Université, INSERM, Hôpital Trousseau, Maladies génétiques d'expression pédiatrique, Paris, France
| | - Bruno Copin
- Unité Fonctionnelle de génétique moléculaire, Assistance Publique-Hôpitaux de Paris, Hôpital Trousseau, Paris, France
| | - Philippe Duquesnoy
- Sorbonne Université, INSERM, Hôpital Trousseau, Maladies génétiques d'expression pédiatrique, Paris, France
| | - Marie Legendre
- Sorbonne Université, INSERM, Hôpital Trousseau, Maladies génétiques d'expression pédiatrique, Paris, France; Unité Fonctionnelle de génétique moléculaire, Assistance Publique-Hôpitaux de Paris, Hôpital Trousseau, Paris, France
| | - Gilles Grateau
- Sorbonne Université, INSERM, Hôpital Trousseau, Maladies génétiques d'expression pédiatrique, Paris, France; Service de médecine interne, Assistance Publique-Hôpitaux de Paris, Hôpital Tenon, Paris, France
| | - Sonia A Karabina
- Sorbonne Université, INSERM, Hôpital Trousseau, Maladies génétiques d'expression pédiatrique, Paris, France
| | - Serge Amselem
- Sorbonne Université, INSERM, Hôpital Trousseau, Maladies génétiques d'expression pédiatrique, Paris, France; Unité Fonctionnelle de génétique moléculaire, Assistance Publique-Hôpitaux de Paris, Hôpital Trousseau, Paris, France.
| | - Irina Giurgea
- Sorbonne Université, INSERM, Hôpital Trousseau, Maladies génétiques d'expression pédiatrique, Paris, France; Unité Fonctionnelle de génétique moléculaire, Assistance Publique-Hôpitaux de Paris, Hôpital Trousseau, Paris, France.
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21
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Kant B, Carbo EC, Kokmeijer I, Oosterman JJM, Frenkel J, Swertz MA, Ploos van Amstel JK, Aróstegui JI, Koudijs MJ, van Gijn ME. Gene Mosaicism Screening Using Single-Molecule Molecular Inversion Probes in Routine Diagnostics for Systemic Autoinflammatory Diseases. J Mol Diagn 2019; 21:943-950. [PMID: 31442672 DOI: 10.1016/j.jmoldx.2019.06.009] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2019] [Revised: 05/17/2019] [Accepted: 06/26/2019] [Indexed: 11/17/2022] Open
Abstract
Diagnosis of systemic autoinflammatory diseases (SAIDs) is often difficult to achieve and can delay the start of proper treatments and result in irreversible organ damage. In several patients with dominantly inherited SAID, postzygotic mutations have been detected as the disease-causing gene defects. Mutations with allele frequencies <5% have been detected, even in patients with severe phenotypes. Next-generation sequencing techniques are currently used to detect mutations in SAID-associated genes. However, even if the genomic region is highly covered, this approach is usually not able to distinguish low-grade postzygotic variants from background noise. We, therefore, developed a sensitive deep sequencing assay for mosaicism detection in SAID-associated genes using single-molecule molecular inversion probes. Our results show the accurate detection of postzygotic variants with allele frequencies as low as 1%. The probability of calling mutations with allele frequencies ≥3% exceeds 99.9%. To date, we have detected three patients with mosaicism, two carrying likely pathogenic NLRP3 variants and one carrying a likely pathogenic TNFRSF1A variant with an allele frequency of 1.3%, confirming the relevance of the technology. The assay shown herein is a flexible, robust, fast, cost-effective, and highly reliable method for mosaicism detection; therefore, it is well suited for routine diagnostics.
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Affiliation(s)
- Benjamin Kant
- Department of Genetics, University Medical Center Utrecht, Utrecht, the Netherlands.
| | - Ellen C Carbo
- Department of Genetics, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Iris Kokmeijer
- Department of Genetics, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Jelske J M Oosterman
- Department of Genetics, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Joost Frenkel
- Department of Pediatrics, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Morris A Swertz
- Genomics Coordination Center and Department of Genetics, University of Groningen and University Medical Center Groningen, Groningen, the Netherlands
| | | | | | - Marco J Koudijs
- Department of Genetics, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Mariëlle E van Gijn
- Department of Genetics, University Medical Center Utrecht, Utrecht, the Netherlands
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The classification, genetic diagnosis and modelling of monogenic autoinflammatory disorders. Clin Sci (Lond) 2018; 132:1901-1924. [PMID: 30185613 PMCID: PMC6123071 DOI: 10.1042/cs20171498] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2018] [Revised: 07/30/2018] [Accepted: 08/07/2018] [Indexed: 12/13/2022]
Abstract
Monogenic autoinflammatory disorders are an increasingly heterogeneous group of conditions characterised by innate immune dysregulation. Improved genetic sequencing in recent years has led not only to the discovery of a plethora of conditions considered to be 'autoinflammatory', but also the broadening of the clinical and immunological phenotypic spectra seen in these disorders. This review outlines the classification strategies that have been employed for monogenic autoinflammatory disorders to date, including the primary innate immune pathway or the dominant cytokine implicated in disease pathogenesis, and highlights some of the advantages of these models. Furthermore, the use of the term 'autoinflammatory' is discussed in relation to disorders that cross the innate and adaptive immune divide. The utilisation of next-generation sequencing (NGS) in this population is examined, as are potential in vivo and in vitro methods of modelling to determine pathogenicity of novel genetic findings. Finally, areas where our understanding can be improved are highlighted, such as phenotypic variability and genotype-phenotype correlations, with the aim of identifying areas of future research.
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Labrousse M, Kevorkian-Verguet C, Boursier G, Rowczenio D, Maurier F, Lazaro E, Aggarwal M, Lemelle I, Mura T, Belot A, Touitou I, Sarrabay G. Mosaicism in autoinflammatory diseases: Cryopyrin-associated periodic syndromes (CAPS) and beyond. A systematic review. Crit Rev Clin Lab Sci 2018; 55:432-442. [PMID: 30035647 DOI: 10.1080/10408363.2018.1488805] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Autoinflammatory diseases (AIDs) are conditions related to defective regulation of the innate immune system. Sanger sequencing of the causative genes has long been the reference for confirming the diagnosis. However, for many patients with a typical AID phenotype, the genetic cause remains unknown. A pioneering study in 2005 demonstrated mosaicism in patients with cryopyrin-associated periodic syndromes (CAPS); the authors found somatic mosaicism in 69% of their cohort of Sanger-negative CAPS patients. We aim to address the extent to which mosaicism contributes to the etiology of AIDs and its impact on phenotype. We retrieved English-language publications reporting mosaicism in AIDs by querying PubMed with no restriction on date and we surveyed French reference centers. We provide a comprehensive clinical and genetic picture of mosaicism in AIDs. We estimate that the proportion of CAPS-like patients presenting mosaicism ranges from 0.5% to 19%. We also discuss the possible links between the proportion of mutated alleles and various clinical features. This review reevaluates the contribution of mosaic DNA variants in CAPS. Mosaicism may be more common than anticipated in other AIDs. No significant difference was demonstrated between variant allele frequency and clinical phenotype. Such knowledge has implications for the development of guidelines for genetic diagnosis, genetic counseling of affected families and effective patient care.
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Affiliation(s)
- Marielle Labrousse
- a Department of Medical Genetics, Rare Diseases and Personalized Medicine, CHU Montpellier , Stem Cells, Cellular Plasticity, Regenerative Medicine and Immunotherapies, INSERM, Univ Montpellier , Montpellier , France
| | | | - Guilaine Boursier
- a Department of Medical Genetics, Rare Diseases and Personalized Medicine, CHU Montpellier , Stem Cells, Cellular Plasticity, Regenerative Medicine and Immunotherapies, INSERM, Univ Montpellier , Montpellier , France
| | - Dorota Rowczenio
- c National Amyloidosis Centre , Centre for Amyloidosis and Acute Phase Proteins, Division of Medicine , London , UK
| | - François Maurier
- d Department of Internal Medicine , Hôpitaux Privés , Metz , France
| | - Estibaliz Lazaro
- e Internal Medicine Department , Haut-Lévêque Hospital , Pessac , France
| | - Manjari Aggarwal
- f Pediatric Rheumatology Unit , Centre for Child Health, Sir Ganga Ram Hospital , New Delhi , India
| | - Irène Lemelle
- g Hemato Onco Pediatrics Department , CHRU Nancy , Vandoeuvre les Nancy , France
| | - Thibault Mura
- h Department of Biostatistics , University Hospital of Montpellier , Montpellier , France
| | - Alexandre Belot
- b Pediatric Nephrology, Rheumatology, Dermatology , University of Lyon , Lyon , France
| | - Isabelle Touitou
- a Department of Medical Genetics, Rare Diseases and Personalized Medicine, CHU Montpellier , Stem Cells, Cellular Plasticity, Regenerative Medicine and Immunotherapies, INSERM, Univ Montpellier , Montpellier , France
| | - Guillaume Sarrabay
- a Department of Medical Genetics, Rare Diseases and Personalized Medicine, CHU Montpellier , Stem Cells, Cellular Plasticity, Regenerative Medicine and Immunotherapies, INSERM, Univ Montpellier , Montpellier , France
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[NLRC4 associated autoinflammatory diseases: A systematic review of the current literature]. Rev Med Interne 2018; 39:279-286. [PMID: 29496273 DOI: 10.1016/j.revmed.2018.02.003] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2017] [Accepted: 02/01/2018] [Indexed: 01/20/2023]
Abstract
The auto-inflammatory diseases linked to NLRC4 mutations are recently described entities. Transmission is autosomal dominant in 80 % of cases; cases of somatic mutation have already been reported. The disease may display two very different clinical phenotypes: the phenotype 1 (30 %), severe, is dominated by a multisystemic inflammation starting in the first year of life with symptoms of chronic inflammatory bowel disease (IBD), macrophagic actication syndrome (MAS), or even a presentation suggesting a cryopyrinopathy in its CINCA form; the mortality of this phenotype is high (25 %). The phenotype 2 (70 %), mild, usually starts after the age of 3 and is characterized by cold urticaria, arthralgia, ocular features and fever in 50 % of cases without visceral failure. Anti-interleukin-1 inhibitors are effective in most cases (83 %). Interleukin-18 (IL-18) levels are very high in both clinical forms. Interleukin-18 inhibitors and anti-interferon-gamma inhibitors were remarkably effective in two very severe phenotype 1 patients. Thus, NLRC4 mutations can induce various clinical manifestations with two distinct phenotypes. Although still rare, because very recently described, this group of diseases could be evoked by an internist in front of cold familial urticarial; probably more and more cases will be diagnosed thanks to the major progresses of genetic diagnostic tools such as next generation sequencing.
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