نتایج جستجو برای: il5
تعداد نتایج: 213 فیلتر نتایج به سال:
Human milk provides a very wide range of nutrients and bioactive components, including immune factors, human milk oligosaccharides, and a commensal microbiota. These factors are essential for interconnected processes including immunity programming and the development of a normal infant gastrointestinal microbiome. Newborn immune protection mostly relies on maternal immune factors provided throu...
Eosinophils are major effector cells in type 2 inflammatory responses and become activated in response to IL-4 and IL-33, yet the molecular mechanisms and cooperative interaction between these cytokines remain unclear. Our objective was to investigate the molecular mechanism and cooperation of IL-4 and IL-33 in eosinophil activation. Eosinophils derived from bone marrow or isolated from Il5-tra...
The production of human eosinophils in vitro from normal bone marrow by using murine eosinophil differentiation factor (mEDF/interleukin 5) is described. Eosinophil production was selective and first detectable after 14 days and reached a peak between 21 and 35 days when they were the predominant cell type (41% to 89%). Until day 14, all the eosinophils were typical myelocytes, developing there...
OBJECTIVES To analyse immunological changes during treatment with a monoclonal anti-tumour necrosis factor alpha (TNFalpha) antibody, infliximab, in patients with rheumatoid arthritis (RA). METHODS 25 patients with RA and 5 patients with other arthritides were studied during the first 6 weeks of treatment with infliximab. At the start of treatment and after 2 and 6 weeks, spontaneous expressi...
The Oct2 protein, encoded by the Pou2f2 gene, was originally predicted to act as a DNA binding transcriptional activator of immunoglobulin (Ig) in B lineage cells. This prediction flowed from the earlier observation that an 8-bp sequence, the "octamer motif," was a highly conserved component of most Ig gene promoters and enhancers, and evidence from over-expression and reporter assays confirmed...
Investigations into the structure, expression and functional status of cytokines, as well as on the possible utility of their agonists and antagonists as therapeutic agents in lupus, have received prominent attention. In fact, mouse strains predisposed to lupus (NZBxW, BXSB, MRL-lpr) have long constituted the primary resource to investigate the role of cytokines in autoimmunity. An additional i...
BACKGROUND Recently, biological markers related to the immune system such as cytokines have been studied to further understand the etiology of non-Hodgkin Lymphoma (NHL). However, to date, there are no studies that have studied cytokine levels prospectively in relation to NHL risk in the general population. METHODS Using bead-based immunoassays, plasma levels of 11 cytokines, 4 chemokines, an...
The GTPase-accelerating protein, regulator of G-protein signalling 2 (RGS2) reduces signalling from G-protein-coupled receptors (GPCRs) that signal via Gαq. In humans, RGS2 expression is up-regulated by inhaled corticosteroids (ICSs) and long-acting β2-adrenoceptor agonists (LABAs) such that synergy is produced in combination. This may contribute to the superior clinical efficacy of ICS/LABA th...
Respiratory Syncytial Virus (RSV) is a major cause of viral brochiolitis in infants and young children and is also a significant problem in elderly and immuno-compromised adults. To date there is no efficacious and safe RSV vaccine, partially because of the outcome of a clinical trial in the 1960s with a formalin-inactivated RSV vaccine (FI-RSV). This vaccine caused enhanced respiratory disease...
BACKGROUND Anti-interleukin (IL)-5 monoclonal antibodies as an eosinophil-depleting strategy is well established, with Mepolizumab being the first biologic approved as an adjunct treatment for severe eosinophilic asthma. CASE PRESENTATION A 62-year old woman diagnosed with severe eosinophilic asthma showed poor response to Mepolizumab therapy (100 mg subcutaneous dose/monthly) and subsequent ...
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