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Erken E, Goruroglu Ozturk O, Kudas O, Arslan Tas D, Demirtas A, Kibar F, Dinkci S, Erken E. Killer Cell Immunoglobulin-Like Receptor (KIR) Genotype Distribution in Familial Mediterranean Fever (FMF) Patients. Med Sci Monit 2015; 21:3547-54. [PMID: 26574972 PMCID: PMC4655612 DOI: 10.12659/msm.895211] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
BACKGROUND Familial Mediterranean fever (FMF) is an autosomal recessive autoinflammatory disease predominantly affecting Mediterranean populations. The gene associated with FMF is the MEFV gene, which encodes for a protein called pyrin. Mutations of pyrin lead to uncontrolled attacks of inflammation, and subclinical inflammation continues during attack-free intervals. Killer cell immunoglobulin-like receptor (KIR) genes encode HLA class I receptors expressed by NK cells. The aim this study was to look for immunogenetic determinants in the pathogenesis of FMF and find out if KIR are related to susceptibility to disease or complications like renal amyloidosis. MATERIAL AND METHODS One hundred and five patients with FMF and 100 healthy individuals were involved in the study. Isolated DNA from peripheral blood was amplified by sequence specific PCR probes and analyzed by Luminex for KIR genotypes. Fisher Exact test was used to evaluate the variation of KIR gene distribution. RESULTS All patients and healthy controls expressed the framework genes. An activator KIR gene, KIR2DS2, was significantly more frequent in FMF patients (p=0.036). Renal amyloidosis and presence of arthritis were not associated with KIR genes and genotype. KIR3DL1 gene was more common in patients with high serum CRP (p=0.016). CONCLUSIONS According to our findings, we suggest that presence of KIR2DS2, which is an activator gene for NK cell functions, might be related to the autoinflammation in FMF. The potential effect of KIR genes on amyloidosis and other clinical features requires studies with larger sample sizes.
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Affiliation(s)
- Ertugrul Erken
- Department of Nephrology, Gaziosmanpasa University, Faculty of Medicine, Tokat, Turkey
| | - Ozlem Goruroglu Ozturk
- Central Laboratory, Cukurova University, Faculty of Medicine, Balcali Hospital, Adana, Turkey
| | - Ozlem Kudas
- Department of Rheumatology/Immunology, Cukurova University, Faculty of Medicine, Adana, Turkey
| | - Didem Arslan Tas
- Department of Rheumatology/Immunology, Cukurova University, Faculty of Medicine, Adana, Turkey
| | - Ahmet Demirtas
- Department of Internal Medicine, Gaziosmanpasa University, Faculty of Medicine, Tokat, Turkey
| | - Filiz Kibar
- Central Laboratory, Cukurova University, Faculty of Medicine, Balcali Hospital, Adana, Turkey
| | - Suzan Dinkci
- Department of Rheumatology/Immunology, Cukurova University, Faculty of Medicine, Adana, Turkey
| | - Eren Erken
- Department of Rheumatology/Immunology, Cukurova University, Faculty of Medicine, Adana, Turkey
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Pastore S, Vuch J, Bianco AM, Taddio A, Tommasini A. Fever tree revisited: From malaria to autoinflammatory diseases. World J Clin Pediatr 2015; 4:106-112. [PMID: 26566482 PMCID: PMC4637800 DOI: 10.5409/wjcp.v4.i4.106] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/22/2015] [Revised: 03/20/2015] [Accepted: 09/08/2015] [Indexed: 02/06/2023] Open
Abstract
Over the centuries the idea of recurrent fevers has mainly been associated with malaria, but many other fevers, such as typhoid and diphtheria were cause for concern. It is only in recent times, with the more severe forms of fever from infectious origin becoming less frequent or a cause for worry that we started noticing recurrent fevers without any clear infectious cause, being described as having a pathogenesis of autoinflammatory nature. The use of molecular examinations in many cases can allow a diagnosis where the cause is monogenic. In other cases, however the pathogenesis is likely to be multifactorial and the diagnostic-therapeutic approach is strictly clinical. The old fever tree paradigm developed to describe fevers caused by malaria has been revisited here to describe today’s periodic fevers from the periodic fever adenitis pharyngitis aphthae syndrome to the more rare autoinflammatory diseases. This model may allow us to place cases that are yet to be identified which are likely to be of multifactorial origin.
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103
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Hernández-Rodríguez J, Ruíz-Ortiz E, Tomé A, Espinosa G, González-Roca E, Mensa-Vilaró A, Prieto-González S, Espígol-Frigolé G, Mensa J, Cardellach F, Grau JM, Cid MC, Yagüe J, Aróstegui JI, Cervera R. Clinical and genetic characterization of the autoinflammatory diseases diagnosed in an adult reference center. Autoimmun Rev 2015; 15:9-15. [PMID: 26299986 DOI: 10.1016/j.autrev.2015.08.008] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2015] [Accepted: 08/15/2015] [Indexed: 02/07/2023]
Abstract
INTRODUCTION Autoinflammatory diseases (AID) are usually diagnosed during the pediatric age. However, adult-onset disease or diagnosis during adulthood has been occasionally described. OBJECTIVES To assess the clinical and genetic characteristics of adult patients diagnosed with an AID in an adult referral center for AID. METHODS We retrospectively evaluated clinical and genetic features of adult patients (≥16 years) diagnosed with an AID or referred after AID diagnosis to the Clinical Unit of AID, at the Department of Autoimmune Diseases, Hospital Clínic of Barcelona, from 2008 to 2014. RESULTS During the study period, a genetic study for suspected AID was requested to 90 patients at the Department of Autoimmune Diseases. A final diagnosis of monogenic AID was achieved in 17 patients (19% of patients tested). Five additional cases were diagnosed with periodic fever, aphthous stomatitis, pharyngitis and cervical adenitis (PFAPA) syndrome and 10 patients with AID were referred from other adult departments. Finally, a total of 32 patients with AID were finally diagnosed or monitored in our Clinical Unit. These included 12 (37.5%) familial Mediterranean fever, 6 (18.8%) tumour necrosis factor-receptor associated periodic syndrome, 8 (25%) cryopirin-associated periodic syndromes (Muckle-Wells syndrome [MWS] or overlap familial cold-associated periodic syndrome/MWS), 1 (3.1%) mevalonate kinase deficiency, and 5 (15.6%) PFAPA. Clinical evidence of disease-onset during childhood and adulthood was observed in 15 (47%) and 17 (53%) patients, respectively. Overall, the final diagnosis was obtained after a delay of a mean of 12 years (range 0-47 years). Compared to children, adult patients with AID in our series presented more frequently with non-severe manifestations and none of them developed amyloidosis during follow-up. Adult patients also carried higher proportion of low-penetrance mutations or polymorphisms and all genetic variants were presented in heterozygosis or as heterozygous compounds. CONCLUSIONS Adult disease-onset or delayed diagnosis of AID during adulthood is associated with milder disease phenotypes, and seem to be driven by mild genotypes, with predominant presence of low-penetrance mutations or polymorphisms.
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Affiliation(s)
- José Hernández-Rodríguez
- Autoinflammatory Diseases Clinical Unit, Department of Autoimmune Diseases, Working Group of Adult Rare Diseases, Hospital Clínic, University of Barcelona, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Catalonia, Spain; Vasculitis Research Unit, Department of Autoimmune Diseases, Working Group of Adult Rare Diseases, Hospital Clínic, University of Barcelona, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Catalonia, Spain.
| | - Estíbaliz Ruíz-Ortiz
- Autoinflammatory Diseases Laboratory Unit, Department of Immunology, Working Group of Adult Rare Diseases, Hospital Clínic, University of Barcelona, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Catalonia, Spain
| | - Adrià Tomé
- Autoinflammatory Diseases Clinical Unit, Department of Autoimmune Diseases, Working Group of Adult Rare Diseases, Hospital Clínic, University of Barcelona, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Catalonia, Spain
| | - Gerard Espinosa
- Autoinflammatory Diseases Clinical Unit, Department of Autoimmune Diseases, Working Group of Adult Rare Diseases, Hospital Clínic, University of Barcelona, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Catalonia, Spain
| | - Eva González-Roca
- Autoinflammatory Diseases Laboratory Unit, Department of Immunology, Working Group of Adult Rare Diseases, Hospital Clínic, University of Barcelona, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Catalonia, Spain
| | - Anna Mensa-Vilaró
- Autoinflammatory Diseases Laboratory Unit, Department of Immunology, Working Group of Adult Rare Diseases, Hospital Clínic, University of Barcelona, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Catalonia, Spain
| | - Sergio Prieto-González
- Autoinflammatory Diseases Clinical Unit, Department of Autoimmune Diseases, Working Group of Adult Rare Diseases, Hospital Clínic, University of Barcelona, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Catalonia, Spain; Vasculitis Research Unit, Department of Autoimmune Diseases, Working Group of Adult Rare Diseases, Hospital Clínic, University of Barcelona, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Catalonia, Spain
| | - Georgina Espígol-Frigolé
- Autoinflammatory Diseases Clinical Unit, Department of Autoimmune Diseases, Working Group of Adult Rare Diseases, Hospital Clínic, University of Barcelona, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Catalonia, Spain; Vasculitis Research Unit, Department of Autoimmune Diseases, Working Group of Adult Rare Diseases, Hospital Clínic, University of Barcelona, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Catalonia, Spain
| | - Josep Mensa
- Department of Infectious Diseases, Working Group of Adult Rare Diseases, Hospital Clínic, University of Barcelona, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Catalonia, Spain
| | - Francesc Cardellach
- Muscle Research Unit, Department of Internal Medicine, Centro de Investigación Biomédica en Red (CIBER) on Rare Diseases, Centro de Investigación Biomédica en Red (CIBER) on Rare Diseases, Working Group of Adult Rare Diseases, Hospital Clínic, University of Barcelona, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Catalonia, Spain
| | - Josep M Grau
- Muscle Research Unit, Department of Internal Medicine, Centro de Investigación Biomédica en Red (CIBER) on Rare Diseases, Centro de Investigación Biomédica en Red (CIBER) on Rare Diseases, Working Group of Adult Rare Diseases, Hospital Clínic, University of Barcelona, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Catalonia, Spain
| | - Maria C Cid
- Autoinflammatory Diseases Clinical Unit, Department of Autoimmune Diseases, Working Group of Adult Rare Diseases, Hospital Clínic, University of Barcelona, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Catalonia, Spain; Vasculitis Research Unit, Department of Autoimmune Diseases, Working Group of Adult Rare Diseases, Hospital Clínic, University of Barcelona, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Catalonia, Spain
| | - Jordi Yagüe
- Autoinflammatory Diseases Laboratory Unit, Department of Immunology, Working Group of Adult Rare Diseases, Hospital Clínic, University of Barcelona, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Catalonia, Spain
| | - Juan I Aróstegui
- Autoinflammatory Diseases Laboratory Unit, Department of Immunology, Working Group of Adult Rare Diseases, Hospital Clínic, University of Barcelona, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Catalonia, Spain
| | - Ricard Cervera
- Autoinflammatory Diseases Clinical Unit, Department of Autoimmune Diseases, Working Group of Adult Rare Diseases, Hospital Clínic, University of Barcelona, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Catalonia, Spain
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ter Haar NM, Oswald M, Jeyaratnam J, Anton J, Barron KS, Brogan PA, Cantarini L, Galeotti C, Grateau G, Hentgen V, Hofer M, Kallinich T, Kone-Paut I, Lachmann HJ, Ozdogan H, Ozen S, Russo R, Simon A, Uziel Y, Wouters C, Feldman BM, Vastert SJ, Wulffraat NM, Benseler SM, Frenkel J, Gattorno M, Kuemmerle-Deschner JB. Recommendations for the management of autoinflammatory diseases. Ann Rheum Dis 2015; 74:1636-44. [DOI: 10.1136/annrheumdis-2015-207546] [Citation(s) in RCA: 199] [Impact Index Per Article: 22.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2015] [Accepted: 06/09/2015] [Indexed: 12/15/2022]
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105
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Sarrabay G, Grandemange S, Touitou I. Diagnosis of cryopyrin-associated periodic syndrome: challenges, recommendations and emerging concepts. Expert Rev Clin Immunol 2015; 11:827-35. [DOI: 10.1586/1744666x.2015.1047765] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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106
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107
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De Pieri C, Vuch J, De Martino E, Bianco AM, Ronfani L, Athanasakis E, Bortot B, Crovella S, Taddio A, Severini GM, Tommasini A. Genetic profiling of autoinflammatory disorders in patients with periodic fever: a prospective study. Pediatr Rheumatol Online J 2015; 13:11. [PMID: 25866490 PMCID: PMC4393620 DOI: 10.1186/s12969-015-0006-z] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/27/2014] [Accepted: 03/20/2015] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND Periodic fever syndromes (PFS) are an emerging group of autoinflammatory disorders. Clinical overlap exists and multiple genetic analyses may be needed to assist diagnosis. We evaluated the diagnostic value of a 5-gene sequencing panel (5GP) in patients with undiagnosed PFS. METHODS Simultaneous double strand Sanger sequencing of MEFV, MVK, TNFRSF1A, NLRP3, NLRP12 genes was performed in 42 patients with unexplained PFS. Clinical features were correlated with genetic results. RESULTS None of 42 patients analyzed displayed a causative genotype. However, single or multiple genetic variants of uncertain significance were detected in 24 subjects. Only in 5 subjects a definite diagnosis was made by taking into account both genetic and clinical data (2 TRAPS syndrome; 2 FMF; 1 FCAS). Statistical analysis showed that patients carrying genetic variants in one or more of the five selected genes displayed a significantly lower response to glucocorticoids compared with subjects who had completely negative genetic results. CONCLUSIONS The sequencing of multiple genes is of little help in the diagnostics of PFS and can often lead to results of uncertain interpretation, thus the clinically driven sequencing of single genes should remain the recommended approach. However, the presence of single or multiple genetic variants of uncertain significance, even if not allowing any specific diagnosis, correlated with a poorer response to glucocorticoids, possibly indicating a multifactorial subgroup of PFS with differential response to pharmacological treatment.
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Affiliation(s)
- Carlo De Pieri
- Institute for Maternal and Child Health IRCCS Burlo Garofolo, Trieste, Italy
| | | | - Eleonora De Martino
- Institute for Maternal and Child Health IRCCS Burlo Garofolo, Trieste, Italy
| | - Anna M Bianco
- Institute for Maternal and Child Health IRCCS Burlo Garofolo, Trieste, Italy
| | - Luca Ronfani
- Institute for Maternal and Child Health IRCCS Burlo Garofolo, Trieste, Italy
| | | | - Barbara Bortot
- Institute for Maternal and Child Health IRCCS Burlo Garofolo, Trieste, Italy
| | - Sergio Crovella
- Institute for Maternal and Child Health IRCCS Burlo Garofolo, Trieste, Italy ,University of Trieste, Trieste, Italy
| | - Andrea Taddio
- Institute for Maternal and Child Health IRCCS Burlo Garofolo, Trieste, Italy ,University of Trieste, Trieste, Italy
| | - Giovanni M Severini
- Institute for Maternal and Child Health IRCCS Burlo Garofolo, Trieste, Italy
| | - Alberto Tommasini
- Institute for Maternal and Child Health IRCCS Burlo Garofolo, Trieste, Italy
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108
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Fujikura K. Global epidemiology of Familial Mediterranean fever mutations using population exome sequences. Mol Genet Genomic Med 2015; 3:272-82. [PMID: 26247045 PMCID: PMC4521964 DOI: 10.1002/mgg3.140] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2014] [Revised: 02/25/2015] [Accepted: 02/26/2015] [Indexed: 11/12/2022] Open
Abstract
Familial Mediterranean fever (FMF) is an inherited disorder characterized by recurrent episodes of fever accompanied by sterile peritonitis, arthritis, and pleuritis. Many mutations in the MEFV gene have been identified as causing FMF. However, accompanying epidemiological information remains quite scarce except in some Mediterranean countries, and the degree of penetrance has been a subject of controversy. Here, I established a genetic epidemiology of full FMF mutations using two population exome studies. Of 57 mutations associated with FMF, 22 were detected in a total of 9007 individuals from two exome sequences. Exome-based epidemiology revealed the carrier rates of FMF in 28 populations in 19 countries by individual mutation and showed strong population specificity for the MEFV mutations. Unexpectedly high carrier rates suggested that some mutations are benign variants with no pathological significance and highlighted the need for caution in analyzing MEFV mutations. Similar approach could be used to uncover the incomplete or no penetrance of mutations in most inherited disorders.
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Affiliation(s)
- Kohei Fujikura
- Kobe University School of Medicine 7-5-1, Kusunoki-cho, Chuo-ku, Kobe, 650-0017, Japan
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109
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The myths we believed in familial Mediterranean fever: what have we learned in the past years? Semin Immunopathol 2015; 37:363-9. [PMID: 25832989 DOI: 10.1007/s00281-015-0484-6] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2014] [Accepted: 03/23/2015] [Indexed: 12/18/2022]
Abstract
Familial Mediterranean fever is the most common monogenic periodic fever syndrome over the world especially in the eastern Mediterranean. It presents with recurrent and self-limited inflammatory attacks of fever and polyserositis along with high acute-phase reactants. The disease is associated with mutations in the MEFV gene that encodes pyrin, a component of inflammasome, which leads to exaggerated inflammatory response through uncontrolled production of interleukin 1. With the identification of the gene associated with the disease, we believed that everything was solved and that this was an ordinary monogenic disease with autosomal recessive inheritance. However, through the breathtaking progress in the basic research field as well as the clinical care of these patients, we have understood that the picture for this monogenic disorder was more complicated than we had anticipated. In this review, we have discussed the myths we believed in familial Mediterranean fever and how they have evolved during the past years.
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110
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Federici S, Sormani MP, Ozen S, Lachmann HJ, Amaryan G, Woo P, Koné-Paut I, Dewarrat N, Cantarini L, Insalaco A, Uziel Y, Rigante D, Quartier P, Demirkaya E, Herlin T, Meini A, Fabio G, Kallinich T, Martino S, Butbul AY, Olivieri A, Kuemmerle-Deschner J, Neven B, Simon A, Ozdogan H, Touitou I, Frenkel J, Hofer M, Martini A, Ruperto N, Gattorno M. Evidence-based provisional clinical classification criteria for autoinflammatory periodic fevers. Ann Rheum Dis 2015; 74:799-805. [PMID: 25637003 DOI: 10.1136/annrheumdis-2014-206580] [Citation(s) in RCA: 154] [Impact Index Per Article: 17.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2014] [Accepted: 01/06/2015] [Indexed: 12/14/2022]
Abstract
The objective of this work was to develop and validate a set of clinical criteria for the classification of patients affected by periodic fevers. Patients with inherited periodic fevers (familial Mediterranean fever (FMF); mevalonate kinase deficiency (MKD); tumour necrosis factor receptor-associated periodic fever syndrome (TRAPS); cryopyrin-associated periodic syndromes (CAPS)) enrolled in the Eurofever Registry up until March 2013 were evaluated. Patients with periodic fever, aphthosis, pharyngitis and adenitis (PFAPA) syndrome were used as negative controls. For each genetic disease, patients were considered to be 'gold standard' on the basis of the presence of a confirmatory genetic analysis. Clinical criteria were formulated on the basis of univariate and multivariate analysis in an initial group of patients (training set) and validated in an independent set of patients (validation set). A total of 1215 consecutive patients with periodic fevers were identified, and 518 gold standard patients (291 FMF, 74 MKD, 86 TRAPS, 67 CAPS) and 199 patients with PFAPA as disease controls were evaluated. The univariate and multivariate analyses identified a number of clinical variables that correlated independently with each disease, and four provisional classification scores were created. Cut-off values of the classification scores were chosen using receiver operating characteristic curve analysis as those giving the highest sensitivity and specificity. The classification scores were then tested in an independent set of patients (validation set) with an area under the curve of 0.98 for FMF, 0.95 for TRAPS, 0.96 for MKD, and 0.99 for CAPS. In conclusion, evidence-based provisional clinical criteria with high sensitivity and specificity for the clinical classification of patients with inherited periodic fevers have been developed.
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Affiliation(s)
- Silvia Federici
- UO Pediatria II-Reumatologia, Istituto Giannina Gaslini, Genova, Italy
| | | | - Seza Ozen
- Department of Pediatric Rheumatology, Hacettepe University, Ankara, Turkey
| | - Helen J Lachmann
- National Amyloidosis Centre, University College London, London, UK
| | - Gayane Amaryan
- National Pediatric Familial Mediterranean Fever Centre, Institute of Child and Adolescent Health, Yerevan, Armenia
| | - Patricia Woo
- Center of Paediatric and Adolescent Rheumatology, UCL, London, UK
| | - Isabelle Koné-Paut
- Centre de référence national des maladies auto-inflammatoires, CEREMAI, rhumatologie pédiatrique, CHU Le Kremlin Bicêtre (APHP, University of Paris SUD), Paris, France
| | - Natacha Dewarrat
- Pediatric Rheumatology Unit of Western Switzerland, CHUV, University of Lausanne, Lausanne, and HUG, Geneva, Switzerland
| | - Luca Cantarini
- Rheumatology Unit, Policlinico le Scotte, University of Siena, Siena, Italy
| | - Antonella Insalaco
- Division of Rheumatology, Department of Pediatric Medicine, Bambino Gesù Children's Hospital, IRCCS, Rome, Italy
| | - Yosef Uziel
- Department of Pediatrics, Meir Medical Centre, Kfar Saba, Israel
| | - Donato Rigante
- Department of Pediatrics, Università Cattolica Sacro Cuore, Roma, Italy
| | - Pierre Quartier
- Université Paris-Descartes, Hôpital Necker-Enfants Malades, Centre de référence national pour les Arthrites Juveniles, Unité d'Immunologie, Hématologie et Rhumatologie Pédiatrique, Université Descartes, Sorbonne Paris Cité, Institut IMAGINE, Paris, France
| | - Erkan Demirkaya
- Gulhane Military Medical Faculty, FMF Arthritis Vasculitis and Orphan Disease Research Center (FAVOR), Ankara, Turkey
| | - Troels Herlin
- Department of Pediatrics, Aarhus University Hospital, Pediatric Rheumatology Clinic, Aarhus, Denmark
| | - Antonella Meini
- Dipartimento di Pediatria, Unità di Immunologia e Reumatologia Pediatrica, Clinica Pediatrica dell'Università di Brescia, Brescia, Italy
| | - Giovanna Fabio
- Fondazione IRCCS Ca' Granda-Ospedale Maggiore Policlinico, Clinica Pediatrica II De Marchi, Milano, Italia
| | - Tilmann Kallinich
- Kinderklinik, Rheumatologie, Charite University Hospital Berlin, Berlin, Germany
| | - Silvana Martino
- Dipartimento di Scienze Pediatriche e dell'Adolescenza, Clinica Pediatrica Universita' di Torino, Torino, Italy
| | | | - Alma Olivieri
- Dipartimento di Pediatria F Fede, Seconda Universita' degli Studi di Napoli, Napoli, Italia
| | | | - Benedicte Neven
- Université Paris-Descartes, Hôpital Necker-Enfants Malades, Centre de référence national pour les Arthrites Juveniles, Unité d'Immunologie, Hématologie et Rhumatologie Pédiatrique, Université Descartes, Sorbonne Paris Cité, Institut IMAGINE, Paris, France
| | - Anna Simon
- Department of General Internal Medicine, Radboud University Medical Centre, Nijmegen, The Netherlands
| | - Huri Ozdogan
- Ic Hastaliklari ABD, Romatoloji BD, Cerrahpasa Tip Fakultesi, Istanbul, Turkey
| | - Isabelle Touitou
- Unit of autoinflammatory diseases, Montpellier, UM1, INSERM U844, Montpellier, France
| | - Joost Frenkel
- Department of Paediatrics, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Michael Hofer
- Pediatric Rheumatology Unit of Western Switzerland, CHUV, University of Lausanne, Lausanne, and HUG, Geneva, Switzerland
| | - Alberto Martini
- Istituto Giannina Gaslini, Pediatria II and Università degli Studi di Genova, Genova, Italy
| | - Nicolino Ruperto
- UO Pediatria II-Reumatologia, Istituto Giannina Gaslini, Genova, Italy
| | - Marco Gattorno
- UO Pediatria II-Reumatologia, Istituto Giannina Gaslini, Genova, Italy
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111
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Giancane G, Ter Haar NM, Wulffraat N, Vastert SJ, Barron K, Hentgen V, Kallinich T, Ozdogan H, Anton J, Brogan P, Cantarini L, Frenkel J, Galeotti C, Gattorno M, Grateau G, Hofer M, Kone-Paut I, Kuemmerle-Deschner J, Lachmann HJ, Simon A, Demirkaya E, Feldman B, Uziel Y, Ozen S. Evidence-based recommendations for genetic diagnosis of familial Mediterranean fever. Ann Rheum Dis 2015; 74:635-41. [DOI: 10.1136/annrheumdis-2014-206844] [Citation(s) in RCA: 122] [Impact Index Per Article: 13.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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112
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Marzano AV, Ceccherini I, Gattorno M, Fanoni D, Caroli F, Rusmini M, Grossi A, De Simone C, Borghi OM, Meroni PL, Crosti C, Cugno M. Association of pyoderma gangrenosum, acne, and suppurative hidradenitis (PASH) shares genetic and cytokine profiles with other autoinflammatory diseases. Medicine (Baltimore) 2014; 93:e187. [PMID: 25501066 PMCID: PMC4602806 DOI: 10.1097/md.0000000000000187] [Citation(s) in RCA: 93] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
The association of pyoderma gangrenosum, acne, and suppurative hidradenitis (PASH) has recently been described and suggested to be a new entity within the spectrum of autoinflammatory syndromes, which are characterized by recurrent episodes of sterile inflammation, without circulating autoantibodies and autoreactive T-cells. We conducted an observational study on 5 patients with PASH syndrome, analyzing their clinical features, genetic profile of 10 genes already known to be involved in autoinflammatory diseases (AIDs), and cytokine expression pattern both in lesional skin and serum. In tissue skin samples, the expressions of interleukin (IL)-1β and its receptors I and II were significantly higher in PASH (P = 0.028, 0.047, and 0.050, respectively) than in controls. In PASH patients, chemokines such as IL-8 (P = 0.004), C-X-C motif ligand (CXCL) 1/2/3 (P = 0.028), CXCL 16 (P = 0.008), and regulated on activation, normal T cell expressed and secreted (RANTES) (P = 0.005) were overexpressed. Fas/Fas ligand and cluster of differentiation (CD)40/CD40 ligand systems were also overexpressed (P = 0.016 for Fas, P = 0.006 for Fas ligand, P = 0.005 for CD40, and P = 0.004 for CD40 ligand), contributing to tissue damage and inflammation. In peripheral blood, serum levels of the main proinflammatory cytokines, that is, IL-1β, tumor necrosis factor-α, and IL-17, were within the normal range, suggesting that in PASH syndrome, the inflammatory process is mainly localized into the skin. Four out of our 5 PASH patients presented genetic alterations typical of well-known AIDs, including inflammatory bowel diseases, and the only patient lacking genetic changes had clinically evident Crohn disease. In conclusion, overexpression of cytokines/chemokines and molecules amplifying the inflammatory network, along with the genetic changes, supports the view that PASH syndrome is autoinflammatory in origin.
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Affiliation(s)
- Angelo V Marzano
- From the Dipartimento di Fisiopatologia Medico-Chirurgica e dei Trapianti (AVM, DF, CC), Università degli Studi di Milano, Unità Operativa di Dermatologia, IRCCS Fondazione Ca' Granda, Ospedale Maggiore Policlinico, Milano; UOC Genetica Medica (IC, FC, MR, AG), Istituto Giannina Gaslini; Pediatria II (MG), Istituto Giannina Gaslini, Genova; Dipartimento di Dermatologia (CDS), Università Cattolica del Sacro Cuore, Roma; Dipartimento di Scienze Cliniche e di Comunità (OMB, PLM), Università degli Studi di Milano, Cattedra di Reumatologia, Istituto G. Pini, Milano; IRCCS Istituto Auxologico Italiano, Milano, Italy (OMB); and Dipartimento di Fisiopatologia Medico-Chirurgica e dei Trapianti (MC), Università degli Studi di Milano, Unità Operativa di Medicina Interna, IRCCS Fondazione Ca' Granda, Ospedale Maggiore Policlinico, Milano, Italy
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Witsch-Baumgartner M, Touitou I. Clinical utility gene card for: prototypic hereditary recurrent fever syndromes (monogenic autoinflammatory syndromes). Eur J Hum Genet 2014; 23:ejhg2014257. [PMID: 25407006 DOI: 10.1038/ejhg.2014.257] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2013] [Revised: 10/08/2014] [Accepted: 10/14/2014] [Indexed: 11/09/2022] Open
Affiliation(s)
| | - Isabelle Touitou
- 1] CHRU Montpellier, Laboratoire de génétique des maladies rares et autoinflammatoires, Montpellier, France [2] Université de Montpellier, UM1, Montpellier, France [3] INSERM U844, Montpellier, France
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Neocleous V, Costi C, Kyriakou C, Kyriakides TC, Shammas C, Skordis N, Toumba M, Kyriakou S, Koliou M, Kousparou M, Onoufriou M, Hadjipanayis A, Iasonides M, Atamyan VN, Pierides A, Christophidou-Anastasiadou V, Tanteles GA, Phylactou LA. Familial Mediterranean Fever Associated withMEFVMutations in a Large Cohort of Cypriot Patients. Ann Hum Genet 2014; 79:20-7. [DOI: 10.1111/ahg.12087] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2014] [Accepted: 09/02/2014] [Indexed: 11/29/2022]
Affiliation(s)
- Vassos Neocleous
- Department of Molecular Genetics; Function and Therapy; The Cyprus Institute of Neurology and Genetics; Nicosia Cyprus
| | - Constantina Costi
- Department of Molecular Genetics; Function and Therapy; The Cyprus Institute of Neurology and Genetics; Nicosia Cyprus
| | - Christina Kyriakou
- Department of Molecular Genetics; Function and Therapy; The Cyprus Institute of Neurology and Genetics; Nicosia Cyprus
| | | | - Christos Shammas
- Department of Molecular Genetics; Function and Therapy; The Cyprus Institute of Neurology and Genetics; Nicosia Cyprus
| | - Nicos Skordis
- Department of Pediatrics; Hospital ‘Archbishop Makarios III ’; Nicosia Cyprus
- St. George's, University of London; University of Nicosia Medical School; Nicosia Cyprus
| | | | - Sophia Kyriakou
- Department of Economics; University of Cyprus; Nicosia Cyprus
| | - Maria Koliou
- Department of Pediatrics; Hospital ‘Archbishop Makarios III ’; Nicosia Cyprus
| | - Marianna Kousparou
- Department of Pediatrics; Hospital ‘Archbishop Makarios III ’; Nicosia Cyprus
| | - Margarita Onoufriou
- Department of Pediatrics; Hospital ‘Archbishop Makarios III ’; Nicosia Cyprus
| | - Adamos Hadjipanayis
- Department of Pediatrics; Larnaca General Hospital; Larnaca Cyprus
- The School of Medicine; European University of Cyprus; Egkomi Cyprus
| | | | - Vick N Atamyan
- Corner Limassol Av. & Armenias Str., Acropolis; Nicosia Cyprus
| | - Alkis Pierides
- Department of Nephrology; Hippocrateon Hospital; Nicosia Cyprus
| | - Violetta Christophidou-Anastasiadou
- Department of Pediatrics; Hospital ‘Archbishop Makarios III ’; Nicosia Cyprus
- Department of Clinical Genetics; The Cyprus Institute of Neurology and Genetics; Nicosia Cyprus
| | - George A Tanteles
- Department of Clinical Genetics; The Cyprus Institute of Neurology and Genetics; Nicosia Cyprus
| | - Leonidas A Phylactou
- Department of Molecular Genetics; Function and Therapy; The Cyprus Institute of Neurology and Genetics; Nicosia Cyprus
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115
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Ornek A, Kurucay M, Henning BF, Pagonas N, Schlottmann R, Schmidt WE, Giese A. Sonographic assessment of spleen size in Turkish migrants with Familial Mediterranean fever in Germany. JOURNAL OF ULTRASOUND IN MEDICINE : OFFICIAL JOURNAL OF THE AMERICAN INSTITUTE OF ULTRASOUND IN MEDICINE 2014; 33:1991-1997. [PMID: 25336487 DOI: 10.7863/ultra.33.11.1991] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
OBJECTIVES Familial Mediterranean fever (FMF) can be associated with splenomegaly. Prospective quantitative data are lacking. We performed a sonographic assessment of spleen size in patients with FMF and healthy control participants to assess its diagnostic value. METHODS Patients with FMF according to the criteria of Livneh et al (Arthritis Rheum 1997; 40:1879-1885) who were in an asymptomatic interval and control participants were prospectively included in this study in Germany and underwent sonographic measurement of the spleen as well as a structured interview and a physical examination. Patients and controls were Turkish migrants. RESULTS Thirty-six patients and 27 controls were included. Patients and controls did not differ significantly in age (mean ± SD, 34.8 ± 9.7 versus 33.3 ± 10.0 years, respectively; P = .56), sex, height, weight, or body mass index (26.7 ± 4.7 versus 26.1 ± 4.3 kg/m(2); P = .63). Spleen size was greater in patients than controls in width (4.3 ± 1.0 versus 3.7 ± 0.7 cm; P = .008) and also length (12.1 ± 1.9 versus 10.5 ± 1.4 cm; P = .001). Twenty-six of 36 patients (72.2%) had a history of appendectomy compared to 3 of 27 controls (11.1%; P < .001). The combination of an enlarged spleen (length >11 cm and/or width >4 cm) gave specificity of 100% (95% confidence interval, 87%-100%) and a positive predictive value of 100% (95% confidence interval, 78%-100%) for the diagnosis of FMF in our study. CONCLUSIONS Spleen size as evaluated by sonography is larger in patients with FMF compared to healthy controls. Most patients with FMF included in this study had undergone appendectomy. Familial Mediterranean fever should be considered as a differential diagnosis in Turkish migrants in Germany if the spleen is enlarged and a history of appendectomy is reported.
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Affiliation(s)
- Ahmet Ornek
- Department of Internal Medicine I, Marienhospital Herne, Medical Center of Ruhr University Bochum, Herne, Germany (A.Ö., M.K., B.F.H., N.P., A.G.); Institute for Diagnostic and Interventional Radiology and Nuclear Medicine, University Medical Center Bergmannsheil, Ruhr University Bochum, Bochum, Germany (A.Ö.); and Department of Internal Medicine I, St Josef-Hospital, Medical Center of Ruhr University Bochum, Bochum, Germany (R.S., W.S., A.G.)
| | - Mustafa Kurucay
- Department of Internal Medicine I, Marienhospital Herne, Medical Center of Ruhr University Bochum, Herne, Germany (A.Ö., M.K., B.F.H., N.P., A.G.); Institute for Diagnostic and Interventional Radiology and Nuclear Medicine, University Medical Center Bergmannsheil, Ruhr University Bochum, Bochum, Germany (A.Ö.); and Department of Internal Medicine I, St Josef-Hospital, Medical Center of Ruhr University Bochum, Bochum, Germany (R.S., W.S., A.G.)
| | - Bernhard F Henning
- Department of Internal Medicine I, Marienhospital Herne, Medical Center of Ruhr University Bochum, Herne, Germany (A.Ö., M.K., B.F.H., N.P., A.G.); Institute for Diagnostic and Interventional Radiology and Nuclear Medicine, University Medical Center Bergmannsheil, Ruhr University Bochum, Bochum, Germany (A.Ö.); and Department of Internal Medicine I, St Josef-Hospital, Medical Center of Ruhr University Bochum, Bochum, Germany (R.S., W.S., A.G.)
| | - Nikolaos Pagonas
- Department of Internal Medicine I, Marienhospital Herne, Medical Center of Ruhr University Bochum, Herne, Germany (A.Ö., M.K., B.F.H., N.P., A.G.); Institute for Diagnostic and Interventional Radiology and Nuclear Medicine, University Medical Center Bergmannsheil, Ruhr University Bochum, Bochum, Germany (A.Ö.); and Department of Internal Medicine I, St Josef-Hospital, Medical Center of Ruhr University Bochum, Bochum, Germany (R.S., W.S., A.G.)
| | - Renate Schlottmann
- Department of Internal Medicine I, Marienhospital Herne, Medical Center of Ruhr University Bochum, Herne, Germany (A.Ö., M.K., B.F.H., N.P., A.G.); Institute for Diagnostic and Interventional Radiology and Nuclear Medicine, University Medical Center Bergmannsheil, Ruhr University Bochum, Bochum, Germany (A.Ö.); and Department of Internal Medicine I, St Josef-Hospital, Medical Center of Ruhr University Bochum, Bochum, Germany (R.S., W.S., A.G.)
| | - Wolfgang E Schmidt
- Department of Internal Medicine I, Marienhospital Herne, Medical Center of Ruhr University Bochum, Herne, Germany (A.Ö., M.K., B.F.H., N.P., A.G.); Institute for Diagnostic and Interventional Radiology and Nuclear Medicine, University Medical Center Bergmannsheil, Ruhr University Bochum, Bochum, Germany (A.Ö.); and Department of Internal Medicine I, St Josef-Hospital, Medical Center of Ruhr University Bochum, Bochum, Germany (R.S., W.S., A.G.)
| | - Arnd Giese
- Department of Internal Medicine I, Marienhospital Herne, Medical Center of Ruhr University Bochum, Herne, Germany (A.Ö., M.K., B.F.H., N.P., A.G.); Institute for Diagnostic and Interventional Radiology and Nuclear Medicine, University Medical Center Bergmannsheil, Ruhr University Bochum, Bochum, Germany (A.Ö.); and Department of Internal Medicine I, St Josef-Hospital, Medical Center of Ruhr University Bochum, Bochum, Germany (R.S., W.S., A.G.).
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116
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Alejandre N, Ruiz-Palacios A, García-Aparicio AM, Blanco-Kelly F, Bermúdez S, Fernández-Sanz G, Romero FI, Aróstegui JI, Ayuso C, Jiménez-Alfaro I, Herrero-Beaumont G, Sánchez-Pernaute O. Description of a new family with cryopyrin-associated periodic syndrome: risk of visual loss in patients bearing the R260W mutation. Rheumatology (Oxford) 2014; 53:1095-9. [PMID: 24501247 DOI: 10.1093/rheumatology/ket486] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023] Open
Abstract
OBJECTIVE The aim of this study was to describe a family with cryopyrin-associated periodic syndrome (CAPS) in which the disease was unveiled after the ophthalmologic evaluation. METHODS Family and personal histories from each of the patients were recorded. Each underwent a full ophthalmological examination along with the physical examination. The mutational analysis of the NLRP3 gene was performed by means of direct sequencing. RESULTS The proband was admitted during an episode of unilateral anterior uveitis. She had a history of recurrent red eye and had been suffering episodes of skin rash and arthralgia induced by cold since childhood. At examination, she showed a reticulated corneal mid-stroma. Her mother and her younger sister also suffered from relapsing episodes of skin rash and fever triggered by cold as well as flares of red eye. They had developed premature hearing loss. In both cases, opacities in the corneal mid-stroma were evidenced with a slit lamp. The genetic analysis detected the heterozygous germline p.R260W mutation in the NLRP3 gene in the three women, confirming the diagnosis of CAPS. Treatment with anakinra resulted in complete remission of flares. CONCLUSION In this family, a structural NLRP3 mutation was associated with classic MuckleWells features of different degrees of severity. Interstitial keratitis with corneal opacification, usually ascribed to neonatal-onset multisystem inflammatory disease, was found. We underscore that ocular involvement in MuckleWells syndrome should be carefully assessed, since it can lead to visual impairment.
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117
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The expanding spectrum of low-penetrance TNFRSF1A gene variants in adults presenting with recurrent inflammatory attacks: Clinical manifestations and long-term follow-up. Semin Arthritis Rheum 2014; 43:818-23. [PMID: 24393624 DOI: 10.1016/j.semarthrit.2013.12.002] [Citation(s) in RCA: 55] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2013] [Revised: 11/01/2013] [Accepted: 12/06/2013] [Indexed: 12/18/2022]
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Abstract
During the past 15 years, a growing number of monogenic inflammatory diseases have been described and their respective responsible genes identified. The proteins encoded by these genes are involved in the regulatory pathways of inflammation and are mostly expressed in cells of the innate immune system. Diagnosis remains clinical, with genetic confirmation where feasible. Although a group of patients exhibit episodic systemic inflammation (periodic fevers), these disorders are mediated by continuous overproduction and release of pro-inflammatory mediators, such as IL-1 and IL-6, and TNF and are best considered as autoinflammatory diseases rather than periodic fevers. Treatment with biologic agents that block these cytokines, particularly IL-1, has proved to be dramatically effective in some patients. Still, in many cases of autoinflammation no genetic abnormalities are detected and treatment remains suboptimal, raising the question of novel pathogenic mutations in unexplored genes and pathways.
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Affiliation(s)
- Ricardo A G Russo
- Service of Immunology and Rheumatology, Hospital de Pediatría Garrahan, Buenos Aires, Argentina, University College London Institute of Child Health and Department of Paediatric Rheumatology, Great Ormond Street Hospital NHS Foundation Trust, London, UK.
| | - Paul A Brogan
- Service of Immunology and Rheumatology, Hospital de Pediatría Garrahan, Buenos Aires, Argentina, University College London Institute of Child Health and Department of Paediatric Rheumatology, Great Ormond Street Hospital NHS Foundation Trust, London, UK. Service of Immunology and Rheumatology, Hospital de Pediatría Garrahan, Buenos Aires, Argentina, University College London Institute of Child Health and Department of Paediatric Rheumatology, Great Ormond Street Hospital NHS Foundation Trust, London, UK
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119
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Clinical guidelines and definitions of autoinflammatory diseases: contrasts and comparisons with autoimmunity-a comprehensive review. Clin Rev Allergy Immunol 2014; 45:227-35. [PMID: 23322404 DOI: 10.1007/s12016-013-8355-1] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Autoinflammatory diseases (AIDs) and autoimmune diseases (ADs) are characterized by an aberrant chronic activation of the immune system which causes tissue inflammation and damage in genetically predisposed individuals. Pathogenetic mechanisms underlying this damage differ between these two types of diseases; in AIDs, the innate immune system is directly responsible for tissue inflammation, while in ADs it works by activating the adaptive immune system, which becomes the main effector of the inflammatory process. Despite the fact that AIDs have only been recently defined, they are older than ADs. The innate immune system is found in plants and animals, and it developed earlier than the adaptive immune system, which first appeared in jawed vertebrates. According to genetic background and clinical, serological, and radiological findings, AIDs and ADs might be considered as a single spectrum of disorders, with a wide range of manifestations. Indeed, autoinflammatory-like diseases have been reported in simple organisms such as Drosophila melanogaster and Caenorhabditis elegans. We analyzed here the main pathogenetic and clinical features of these two groups of diseases mostly dealing with their similarities and differences.
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120
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Lee SH. Autoinflammatory Diseases. JOURNAL OF RHEUMATIC DISEASES 2014. [DOI: 10.4078/jrd.2014.21.5.228] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Sang-Heon Lee
- Division of Rheumatology, Konkuk Universtiy School of Medicine, Seoul, Korea
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121
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A clinical guide to autoinflammatory diseases: familial Mediterranean fever and next-of-kin. Nat Rev Rheumatol 2013; 10:135-47. [PMID: 24247370 DOI: 10.1038/nrrheum.2013.174] [Citation(s) in RCA: 152] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Autoinflammatory diseases are associated with abnormal activation of the innate immune system, leading to clinical inflammation and high levels of acute-phase reactants. The first group to be identified was the periodic fever diseases, of which familial Mediterranean fever (FMF) is the most common. In FMF, genetic results are not always straightforward; thus, flowcharts to guide the physician in requesting mutation analyses and interpreting the findings are presented in this Review. The other periodic fever diseases, which include cryopyrin-associated periodic syndromes (CAPS), TNF receptor-associated periodic syndrome (TRAPS) and mevalonate kinase deficiency/hyperimmunoglobulin D syndrome (MKD/HIDS), have distinguishing features that should be sought for carefully during diagnosis. Among this group of diseases, increasing evidence exists for the efficacy of anti-IL-1 treatment, suggesting a major role of IL-1 in their pathogenesis. In the past decade, we have started to learn about the other rare autoinflammatory diseases in which fever is less pronounced. Among them are diseases manifesting with pyogenic lesions of the skin and bone; diseases associated with granulomatous lesions; diseases associated with psoriasis; and diseases associated with defects in the immunoproteasome. A better understanding of the pathogenesis of these autoinflammatory diseases has enabled us to provide targeted biologic treatment at least for some of these conditions.
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122
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Abstract
Over 15 years have passed since the discovery of the first autoinflammatory gene, MEFV, responsible for familial Mediterranean fever. The identification of another gene, TNFRSF1A, in 1999 led to the concept of autoinflammation which characterises rheumatological conditions triggered by a defective innate immunity. Substantive progress has been made since then with the identification of 18 autoinflammatory genes accounting for up to 24 disease entities showing overlapping symptoms. The accumulation of studies reporting patients with missing or excess mutations as compared with expected numbers favours the hypothesis that these diseases are distributed along a continuum ranging from monogenic to multifactorial conditions, rather than featuring only classical modes of inheritance. Moreover, the probable interactions of environmental and epigenetic factors further obscure our understanding of the mechanisms underlying the phenotypic expression of patients. This review explores the history of autoinflammatory gene discovery, discusses the nosological disparities stemming from the clinical versus pathophysiological definition of autoinflammatory diseases and summarises various inheritance patterns. This review calls for a consistent disease nomenclature and presents a reconciling hypothesis which places different sequence variants within the autoinflammatory disease continuum. Integrating these new concepts should help to facilitate communication between health professionals and promote personalised patient care.
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Affiliation(s)
- Isabelle Touitou
- CHRU Montpellier, UM1, INSERMU844, UMAI, laboratoire de génétique, Hopital A de Villeneuve, 34295, Montpellier Cedex 15, France.
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Menegatti E, Berardi D, Messina M, Ferrante I, Giachino O, Spagnolo B, Restagno G, Cognolato L, Roccatello D. Lab-on-a-chip: emerging analytical platforms for immune-mediated diseases. Autoimmun Rev 2012; 12:814-20. [PMID: 23219952 DOI: 10.1016/j.autrev.2012.11.005] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Miniaturization of analytical procedures has a significant impact on diagnostic testing since it provides several advantages such as: reduced sample and reagent consumption, shorter analysis time and less sample handling. Lab-on-a-chip (LoC), usually silicon, glass, or silicon-glass, or polymer disposable cartridges, which are produced using techniques inherited from the microelectronics industry, could perform and integrate the operations needed to carry out biochemical analysis through the mechanical realization of a dedicated instrument. Analytical devices based on miniaturized platforms like LoC may provide an important contribution to the diagnosis of high prevalence and rare diseases. In this paper we review some of the uses of Lab-on-a-chip in the clinical diagnostics of immune-mediated diseases and we provide an overview of how specific applications of these technologies could improve and simplify several complex diagnostic procedures.
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Affiliation(s)
- Elisa Menegatti
- Department of Medicine and Experimental Oncology, Section of Clinical Pathology, University of Turin, Turin, Italy.
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Kolly L, Busso N, von Scheven-Gete A, Bagnoud N, Moix I, Holzinger D, Simon G, Ives A, Guarda G, So A, Morris MA, Hofer M. Periodic fever, aphthous stomatitis, pharyngitis, cervical adenitis syndrome is linked to dysregulated monocyte IL-1β production. J Allergy Clin Immunol 2012; 131:1635-43. [PMID: 23006543 DOI: 10.1016/j.jaci.2012.07.043] [Citation(s) in RCA: 100] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2011] [Revised: 05/31/2012] [Accepted: 07/02/2012] [Indexed: 02/01/2023]
Abstract
BACKGROUND The exact pathogenesis of the pediatric disorder periodic fever, aphthous stomatitis, pharyngitis, cervical adenitis (PFAPA) syndrome is unknown. OBJECTIVES We hypothesized that PFAPA might be due to dysregulated monocyte IL-1β production linked to genetic variants in proinflammatory genes. METHODS Fifteen patients with PFAPA syndrome were studied during and outside a febrile episode. Hematologic profile, inflammatory markers, and cytokine levels were measured in the blood. The capacity of LPS-stimulated PBMCs and monocytes to secrete IL-1β was assessed by using ELISA, and active IL-1β secretion was visualized by means of Western blotting. Real-time quantitative PCR was performed to assess cytokine gene expression. DNA was screened for variants of the MEFV, TNFRSF1A, MVK, and NLRP3 genes in a total of 57 patients with PFAPA syndrome. RESULTS During a febrile attack, patients with PFAPA syndrome revealed significantly increased neutrophil counts, erythrocyte sedimentation rates, and C-reactive protein, serum amyloid A, myeloid-related protein 8/14, and S100A12 levels compared with those seen outside attacks. Stimulated PBMCs secreted significantly more IL-1β during an attack (during a febrile episode, 575 ± 88 pg/mL; outside a febrile episode, 235 ± 56 pg/mL; P < .001), and this was in the mature active p17 form. IL-1β secretion was inhibited by ZYVAD, a caspase inhibitor. Similar results were found for stimulated monocytes (during a febrile episode, 743 ± 183 pg/mL; outside a febrile episode, 227 ± 92 pg/mL; P < .05). Genotyping identified variants in 15 of 57 patients, with 12 NLRP3 variants, 1 TNFRSF1A variant, 4 MEFV variants, and 1 MVK variant. CONCLUSION Our data strongly suggest that IL-1β monocyte production is dysregulated in patients with PFAPA syndrome. Approximately 20% of them were found to have NLRP3 variants, suggesting that inflammasome-related genes might be involved in this autoinflammatory syndrome.
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Affiliation(s)
- Laeticia Kolly
- Rheumatology Service, DAL, Lausanne University Hospital, University of Lausanne, Lausanne, Switzerland
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