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Type 1 diabetes mellitus (T1DM) is an autoimmune multifactorial disease. Protein tyrosine phosphatase nonreceptor type 22 (PTPN22) gene encodes lymphoid-specific tyrosine phosphatase (Lyp), an inhibitor of T cell activation. PTPN22 C1858T polymorphism was associated with T1DM in populations of Caucasian origin. The aim of this study was the investigation(More)
BACKGROUND Common variable immunodeficiency (CVID) is an antibody deficiency with an equal sex distribution and a high variability in clinical presentation. The main features include respiratory tract infections and their associated complications, enteropathy, autoimmunity, and lymphoproliferative disorders. OBJECTIVE This study analyzes the clinical(More)
BACKGROUND AND AIM Familial Mediterranean fever (FMF) is an autoinflammatory disease caused by mutations of the MEFV gene. We analyse the impact of ethnic, environmental and genetic factors on the severity of disease presentation in a large international registry. METHODS Demographic, genetic and clinical data from validated paediatric FMF patients(More)
OBJECTIVE To evaluate the response to treatment of autoinflammatory diseases from an international registry and an up-to-date literature review. METHODS The response to treatment was studied in a web-based registry in which clinical information on anonymised patients with autoinflammatory diseases was collected retrospectively as part of the Eurofever(More)
TNFRSF13B/TACI defects have recently been associated with common variable immunodeficiency (CVID) pathogenesis. Considering that TNFRSF13B/TACI is very polymorphic and the frequency of its alterations may be different in various ethnic groups, we analyzed their prevalence in 47 Greek patients with antibody deficiencies, including CVID (16 patients), IgAD(More)
OBJECTIVE Our aims were to validate the pediatric diagnostic criteria in a large international registry and to compare them with the performance of previous criteria for the diagnosis of familial Mediterranean fever (FMF). METHODS Pediatric patients with FMF from the Eurofever registry were used for the validation of the existing criteria. The other(More)
Bruton's tyrosine kinase (Btk) is a nonreceptor tyrosine kinase, critical for B-cell development and function. Mutations that inactivate this kinase were found in families with X-linked agammaglobulinaemia (XLA). In this study the Btk gene was analyzed in 13 registered Greek patients with XLA phenotype originated from 12 unrelated families, in order to(More)
OBJECTIVE The apelinergic system has been previously described to participate in fluid homeostasis, cardiac contractility, blood pressure and neo-vascularization. The role of apelin in obesity and glucose metabolism has also lately gained interest; however, it still remains obscure. This study aimed to assess serum apelin levels in obese youngsters and to(More)
PURPOSE OF REVIEW The purpose of the present review is to outline the clinical aspects and management of the upper airway involvement in the patients suffering from hereditary angioedema. RECENT FINDINGS Molecular mechanisms of hereditary angioedema reviewed in the literature conclude that it is an autosomal dominant disorder, characterized by the(More)
Patients with antibody deficiency disorders are highly susceptible to bacterial infections. Replacement therapy with intravenous immunoglobulin preparations (IVIG) has been established in such patients for two decades. The efficacy of IVIG treatment depends on the amount of functional pathogen-specific antibodies provided. The present study was undertaken(More)