Abstract:
BACKGROUND:The cytokine transforming growth factor-beta(TGF-beta) has important regulatory roles in the immune system. To investigate the role of intact TGF-beta signaling during the contact hypersensitivity (CHS) response to a respiratory allergen, we exposed Smad3-/- mice to topical trimellitic anhydride (TMA). METHODS:CHS was induced by topical application of TMA. The swelling of the TMA-exposed ears was analyzed, and lymph node, ear tissue and skin biopsies were collected for RNA isolation, histology and histochemical analyses. Lymph node cell proliferation was measured and blood samples were collected for analysis of TMA-specific immunoglobulin. RESULTS:Topical TMA exposure resulted in increased mRNA expression of proinflammatory and suppressive cytokines (IL-1beta, TNF-alpha, IL-6, IFN-gamma, IL-4, IL-10, IL-17, IL-23, TGF-beta), chemokines (CXCL9, CXCL10, CCL24) and chemokine receptors (CCR7, CCR8, CXCR2), increased numbers of CD3+ T cells in ear tissue, and lymphadenopathy in the Smad3-/- mice. The IL-10 result was confirmed at the protein level by immunohistochemistry. However, the ear-swelling response and infiltration of eosinophils, F4/80+ cells, CD11c+ cells and mast cells were similar in the Smad3-/- mice compared to their wild-type (WT) siblings. While TMA-specific IgE was induced equally in the WT and Smad3-/- mice, the concentration of TMA-specific IgG2a was significantly lower in the Smad3-/- mice. CONCLUSIONS:The Smad3 molecule contributes significantly to the regulation of the cytokine and chemokine network during the CHS response to TMA. The lack of Smad3 resulted in a potent Th2 shift, confirmed by strongly impaired IgG2a levels.
journal_name
Int Arch Allergy Immunoljournal_title
International archives of allergy and immunologyauthors
Anthoni M,Fyhrquist N,Lehtimäki S,Alenius H,Wolff H,Lauerma Adoi
10.1159/000236006subject
Has Abstractpub_date
2010-01-01 00:00:00pages
155-67issue
2eissn
1018-2438issn
1423-0097pii
000236006journal_volume
151pub_type
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journal_title:International archives of allergy and immunology
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journal_title:International archives of allergy and immunology
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pub_type: 杂志文章
doi:10.1159/000237130
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journal_title:International archives of allergy and immunology
pub_type: 杂志文章
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journal_title:International archives of allergy and immunology
pub_type: 杂志文章,评审
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doi:10.1159/000112501
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journal_title:International archives of allergy and immunology
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doi:10.1159/000236681
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journal_title:International archives of allergy and immunology
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doi:10.1159/000053869
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journal_title:International archives of allergy and immunology
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journal_title:International archives of allergy and immunology
pub_type: 杂志文章
doi:10.1159/000265539
更新日期:2010-01-01 00:00:00
abstract::Immunological suppression is one of the important aspects which govern the regulation of the immune response. Clonal deletion, clonal anergy and the activity of suppressor cells were proposed as mechanisms leading to this phenomenon. In this review we provide evidence for the existence of suppressor (Ts) cells and the...
journal_title:International archives of allergy and immunology
pub_type: 杂志文章,评审
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更新日期:1993-01-01 00:00:00
abstract:BACKGROUND:Asthma is a common co-morbidity of allergic rhinitis (AR). The prevalence of these two allergic diseases has increased in China and has been shown to cluster in families independently. This study evaluated the association between maternal AR (presenting with or without asthma) and the allergic conditions in ...
journal_title:International archives of allergy and immunology
pub_type: 杂志文章
doi:10.1159/000328789
更新日期:2012-01-01 00:00:00
abstract::Oral immunotherapy (OIT) is a significant focus of treatment of food allergy. OIT appears to be effective in inducing desensitization, however, patients receiving OIT frequently developmild/moderate symptoms during the therapy. It has not been clearly established whether the clinical tolerance induced by OIT resembles...
journal_title:International archives of allergy and immunology
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abstract:BACKGROUND:Asthma, allergic conditions, and COPD overlap, but the effect of them and their combinations on disease severity, need for drugs, use of healthcare, and costs is poorly known. OBJECTIVE:To study how different allergic diseases co-occur in asthma and allergy patients and evaluate the use of medication well a...
journal_title:International archives of allergy and immunology
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doi:10.1159/000498861
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abstract:BACKGROUND:2-Arachidonoylglycerol (2-AG), an endogenous ligand for the cannabinoid receptors (CB1 and CB2), has been shown to exhibit a variety of cannabimimetic activities in vitro and in vivo. Recently, we found that human eosinophilic leukemia EoL-1 cells and human peripheral blood eosinophils express the CB2 recept...
journal_title:International archives of allergy and immunology
pub_type: 杂志文章
doi:10.1159/000092704
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journal_title:International archives of allergy and immunology
pub_type: 杂志文章
doi:10.1159/000350788
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abstract::Eosinophils may play an important role in the pathogenesis of airway remodeling in asthma through the production of various fibrogenic cytokines such as transforming growth factor-beta1 (TGF-beta1). Cysteinyl leukotrienes are also suggested to be involved in remodeling with their potential to induce proliferation of a...
journal_title:International archives of allergy and immunology
pub_type: 杂志文章
doi:10.1159/000085427
更新日期:2005-01-01 00:00:00
abstract:BACKGROUND:Evidence regarding sublingual immunotherapy (SLIT) efficacy and its good safety profile has been demonstrated with pollen and house dust mite (HDM) allergens in the treatment of airway allergies. In addition, the use of grass pollen presents a SLIT disease-modifying treatment for respiratory allergies. OBJE...
journal_title:International archives of allergy and immunology
pub_type: 杂志文章
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更新日期:2016-01-01 00:00:00