نتایج جستجو برای: il 13
تعداد نتایج: 462785 فیلتر نتایج به سال:
background: new discoveries about the pathophysiology changed the concept that all forms of osteoarthritis are alike; this lead to the delineation of different phenotypes such as age, trauma or obese related forms. we aim to compare soluble mediator profiles in primary knee and posttraumatic wrist osteoarthritis. based on the general faster progression rate of wrist osteoarthritis, we hypothes...
BACKGROUND Our laboratory has demonstrated previously that human tonsillar B lymphocytes express IL-13 mRNA OBJECTIVE: We sought to investigate IL-13 production by human B cells and the association between B cell-derived IL-13 and IgE secretion. METHODS Human B lymphocytes were isolated from tonsils and purified by means of rosetting with sheep RBCs or positive or negative selection with magn...
BACKGROUND Interleukin (IL)-13 induces goblet cell metaplasia and plays an important role in mucus hypersecretion in asthma. We previously reported that IL-13 induced goblet cell differentiation along with less ciliated cell differentiation in guinea pig tracheal epithelial cells in vitro. In this study, we asked whether elimination of IL-13 could reverse the established goblet cell metaplasia ...
Interleukin 4 (IL-4) was shown to be tumor-promoting in full carcinogenesis studies using 3-methylcholanthrene (MCA). Because heretofore the role of IL-4 in DMBA/TPA (9,10-dimethyl-1,2-benz-anthracene/12-O-tetradecanoylphorbol-13-acetate) two-stage carcinogenesis was not studied, we performed such experiments using either IL-4(-/-) or IL-4Rα(-/-) mice. We found that IL-4Rα(-/-) but not IL-4(-/-...
Atopic dermatitis (AD) is an inflammatory skin disease triggered by a vicious circle between epidermal barrier alteration and immune system dysregulation. This can notably be initiated exposure of epidermis to interleukins (IL) 4 13 that alter keratinocyte phenotype through activation their IL-4Rα/IL-13Rα1 (type II) receptor. Expression IL-2Rγ/IL-4Rα I) receptor for IL-4 normally limited hemato...
Interleukin (IL)-13 is a key cytokine driving allergic and asthmatic responses and contributes to airway inflammation in cynomolgus monkeys after segmental challenge with Ascaris suum antigen. IL-13 bioactivity is mediated by a heterodimeric receptor (IL-13Ralpha1/IL-4Ralpha) and can be inhibited in vitro by targeting IL-13 interaction with either chain. However, in cytokine systems, in vitro n...
The present study aimed to determine whether the T-helper cell type 2-derived cytokines, interleukin (IL)-4 and -13, can modulate the lung response to ozone exposure. IL-13(-/-), IL-4/13(-/-) and IL-13-overexpressing transgenic (Tg) mice were exposed to ozone (3 ppm; 3 h) or air. Wild-type (Wt) Balb/c mice and transgenic-negative littermates (IL-13Wt) were used as controls for gene-deficient an...
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