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Open AccessJournal Article

Interleukin-13: Central mediator of allergic asthma

TLDR
In this article, the type 2 cytokine IL-13, which shares a receptor component and signaling pathways with IL-4, was found to be necessary and sufficient for the expression of allergic asthma.
Abstract
The worldwide incidence, morbidity, and mortality of allergic asthma are increasing. The pathophysiological features of allergic asthma are thought to result from the aberrant expansion of CD4 + T cells producing the type 2 cytokines interleukin-4 (IL-4) and IL-5, although a necessary role for these cytokines in allergic asthma has not been demonstrable. The type 2 cytokine IL-13, which shares a receptor component and signaling pathways with IL-4, was found to be necessary and sufficient for the expression of allergic asthma. IL-13 induces the pathophysiological features of asthma in a manner that is independent of immunoglobulin E and eosinophils. Thus, IL-13 is critical to allergen-induced asthma but operates through mechanisms other than those that are classically implicated in allergic responses.

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Citations
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High Dose Allergen Stimulation of T Cells from House Dust Mite-Allergic Subjects Induces Expansion of IFN-γ+ T Cells, Apoptosis of CD4+IL-4+ T Cells and T Cell Anergy

TL;DR: Results show that T cell division and apoptosis contribute to the cytokine skewing to predominant IFN-γ production by T cells observed at high allergen concentration, and the use of hypoallergenic T cell reactive preparations which can be given safely at higher doses than natural extracts may enhance efficacy of allergenic-specific immunotherapy.
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IL-13 production by donor T cells is prognostic of acute graft-versus-host disease following unrelated donor stem cell transplantation

TL;DR: Novel associations between donor T-cell cytokine production during donor-antipatient mixed lymphocyte reactions (MLRs) and acute graft-versus-host disease (aGVHD) are described, high-lighting a novel and highly significant link between the Th2-type cytokine IL-13 and aGVHD.
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Opposing actions of Stat1 and Stat6 on IL-13-induced up-regulation of early growth response-1 and platelet-derived growth factor ligands in pulmonary fibroblasts.

TL;DR: The findings support the hypothesis that Stat6 and Stat1 exert stimulatory and inhibitory effects on Egr-1 and PDGF ligand mRNA transcription, respectively, and could aid in identifying molecular targets for the treatment of chronic airway remodeling and fibrosis in asthma.
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Activation of interleukin-13 expression in T cells from HTLV-1-infected individuals and in chronically infected cell lines

TL;DR: Clinical relevance was demonstrated by immunofluorescent staining and flow cytometry of lymphocytes obtained from HTLV-1-infected patients, which revealed that IL-13 production was directly related to the level of Tax expression in the infected CD4+ T cells soon after in vitro culture.
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Anti-Inflammatory Effects of Ginsenoside Rg3 via NF-κB Pathway in A549 Cells and Human Asthmatic Lung Tissue.

TL;DR: Rg3 showed the significant inhibition of NF-κB activity thereby reduced COX-2 expression was determined in both IL-1β-induced inflamed A549 cell and human asthmatic airway epithelial tissues, and the secretion levels of IL-4, TNF-α, and eotaxin were significantly decreased by Rg3 in asthma tissues.
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Journal ArticleDOI

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