نتایج جستجو برای: cvid
تعداد نتایج: 525 فیلتر نتایج به سال:
Common variable immune deficiency (CVID) is an assorted group of primary diseases that clinically manifest with antibody deficiency, infection susceptibility, and autoimmunity. Heterozygous mutations in the gene encoding the tumor necrosis factor receptor superfamily member TACI are associated with CVID and autoimmune manifestations, whereas two mutated alleles prevent autoimmunity. To assess h...
Common variable immunodeficiency (CVID) describes a heterogeneous subset of hypogammaglobulinemias of unknown etiology. Typically, patients present with recurrent bacterial infections of the respiratory and gastrointestinal tract. A significant proportion of CVID patients develops additional autoimmune, inflammatory or lymphoproliferative complications. CVID is the most frequent symptomatic pri...
BACKGROUND AND OBJECTIVE The candidate gene approach has led to the detection of associations between common variable immunodeficiency (CVID) and mutations in the genes TACI, ICOS, BAFF-R, CD19, CD20, and CD81. Such mutations are present in less than 15% of cases, highlighting the complexity of the disease. Animal models for 2 genes involved in B-cell development, namely CARMA1/CARD11 and Bob1,...
Interleukin-21 (IL-21) is an important promoter for differentiation of human B cells into immunoglobulin (Ig)-secreting cells. The objective of this study was to evaluate an IL-21-based approach to induce immunoglobulin production in B cells from patients with common variable immunodeficiency (CVID) or selective IgA deficiency (IgAD). We show that a combination of IL-21, IL-4, and anti-CD40 sti...
Background: We describe the first case of a patient with factitious disorder who closely simulated a primary immune deficiency disorder – Common Variable Immune Deficiency (CVID), by surreptitiously ingesting non-steroidal anti-inflammatory agents. Case description: He was treated with several expensive and potentially dangerous drugs before the diagnosis was established through collateral info...
Common variable immunodeficiency (CVID) is a heterogeneous subset of immunodeficiency disorders. Recurrent bacterial infection is the main feature of CVID, but various non-infectious complications can occur. A 42-year-old woman presented with cough and abnormal chest X-ray shadows. Laboratory tests showed remarkable hypogammaglobulinemia. Computed tomography revealed multiple consolidation and ...
Common variable immunodeficiency (CVID) is defined by low levels of IgG and IgA, but perturbations in T cells are also commonly found. However, there is limited information on γδ T cells in CVID patients. Newly diagnosed CVID patients (n = 15) were enrolled before and after intravenous IgG (IVIg) replacement therapy. Cryopreserved peripheral blood mononuclear cells were then used to study γδ T ...
Common variable immunodeficiency (CVID) is a humoral immunodeficiency whose primary diagnostic features include hypogammaglobulinemia involving two or more immunoglobulin isotypes and impaired functional antibody responses in the majority of patients. While increased susceptibility to respiratory and other infections is a common thread that binds a large cross-section of CVID patients, the pres...
OBJECTIVES We evaluate the frequency and functional response of innate immune cells in peripheral blood (PB) from patients with common variable immunodeficiency (CVID) and healthy controls upon activation with agonists of the Toll-like receptors (TLR) TLR2, TLR4, and TLR9. In addition, several nonsynonymous single nucleotide polymorphisms (SNPs) within these TLR genes were examined. METHODS F...
Common variable immunodeficiency (CVID) is a heterogeneous group of disorders, characterized by hypogammaglobulinemia, defective specific-antibody production resulting in recurrent bacterial infections. Delay in diagnosis and inadequate treatment result in increased irreversible complications and mortality. To determine persistent morbidities, mortality rate and survival in Iranian patients wit...
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