Abstract:
BACKGROUND:We reported on the constitutive interferon-gamma receptor (IFN-gammaR) expression on eosinophils. But signal transduction through IFN-gammaR on eosinophils remains to be elucidated. In this study, we examined the involvement of the Jak/Stat pathway in the signaling of eosinophils after IFN-gammaR conjugation by the ligand binding. METHODS:Purified peripheral eosinophils were stimulated with IFN-gamma at 37 degrees C for 1-60 min. Tyrosine phosphorylation of IFN-gammaR, Jak1, Jak2, and Stat1alpha was examined by immunoblotting. Gel-shift assay was also examined to show the formation of Stat1alpha-DNA complexes. RESULTS:We show that binding of IFN-gamma to human eosinophils initiated a series of events that resulted in the rapid tyrosine phosphorylation of not only the IFN-gammaRalpha chain but also Jak1, Jak2, and Stat1alpha. In addition, IFN-gamma enhanced the DNA-binding activity of Stat1alpha. CONCLUSION:These data indicate that IFN-gamma affects eosinophils through its specific receptor and utilizes the Jak/Stat pathway as its mode of signaling.
journal_name
Int Arch Allergy Immunoljournal_title
International archives of allergy and immunologyauthors
Ochiai K,Ishihara C,Tomioka Hdoi
10.1159/000024159keywords:
subject
Has Abstractpub_date
1999-02-01 00:00:00pages
443-6issue
2-4eissn
1018-2438issn
1423-0097pii
24159journal_volume
118pub_type
杂志文章abstract:BACKGROUND:Mouse models have been established mirroring key features of human bronchial asthma including airway hyperresponsiveness (AHR). Acute airway obstruction in response to an allergen challenge, however, remains to be demonstrated in these models. OBJECTIVE:A mouse model of allergic lung inflammation was employ...
journal_title:International archives of allergy and immunology
pub_type: 杂志文章
doi:10.1159/000024298
更新日期:2000-01-01 00:00:00
abstract:BACKGROUND:One hundred years ago, Noon [Lancet 1911;1:1572-1573], using conjunctival provocation testing (CPT), was the first to demonstrate the effectiveness of subcutaneous immunotherapy (SCIT) in grass-allergic subjects with hay fever. In this centenary year, we present data that, by use of CPT and allergen-specific...
journal_title:International archives of allergy and immunology
pub_type: 杂志文章,随机对照试验
doi:10.1159/000330649
更新日期:2012-01-01 00:00:00
abstract:BACKGROUND:The fractional concentration of exhaled nitric oxide (FeNO) is a surrogate biomarker for Th2-dependent bronchial inflammation. The present study investigated whether FeNO may characterize allergic rhinitis (AR) patients. METHODS:A total of 553 AR patients (497 males, mean age 28.8 years) were evaluated. Tho...
journal_title:International archives of allergy and immunology
pub_type: 杂志文章
doi:10.1159/000456548
更新日期:2017-01-01 00:00:00
abstract:BACKGROUND:Exposure and sensitization to pet allergens are associated with allergic asthma in children. Conflicting data have emerged regarding the potential benefit of air cleaners with respect to a reduction of indoor pet allergens and bronchial hyperresponsiveness (BHR). METHODS:In a randomized controlled trial 36 ...
journal_title:International archives of allergy and immunology
pub_type: 杂志文章,随机对照试验
doi:10.1159/000151502
更新日期:2009-01-01 00:00:00
abstract:BACKGROUND:Allergic reactions occur rarely in patients with chronic helminth infections, although FcepsilonRI-bearing cells are sensitized with anti-parasite IgE and are exposed to antigen. The inhibition of allergic reactivity is due to 'blocking antibodies', predominantly IgG4. IgG4 antibodies represent 50-95% of ant...
journal_title:International archives of allergy and immunology
pub_type: 杂志文章
doi:10.1159/000024099
更新日期:1999-02-01 00:00:00
abstract::Allergens from the pollen of Parthenium hysterophorus (American feverfew), responsible for high incidence of allergic rhinitis, were found by immunoprint analysis to be localized on the surface of the pollen grains. The allergens were released very rapidly when extracted in vitro. The allergenic activity of the rapid ...
journal_title:International archives of allergy and immunology
pub_type: 杂志文章
doi:10.1159/000237099
更新日期:1995-08-01 00:00:00
abstract:BACKGROUND:Activated eosinophils are thought to play an important role in allergic inflammation. Prior reports suggest that eosinophils have receptors recognizing IgA, IgG and IgE; however, little is known regarding the direct effects of antigens and antigen-specific immunoglobulins on the functions of eosinophils. ME...
journal_title:International archives of allergy and immunology
pub_type: 杂志文章
doi:10.1159/000320226
更新日期:2011-01-01 00:00:00
abstract:BACKGROUND:Recombinant dog allergens, rCan f 1 and rCan f 2, and their antibodies are good tools for the characterization of dog allergens in order to develop modern therapeutic and preventive methods for dog allergy. METHODS:In this study, cDNA was synthesized from the mRNA of dog salivary glands and cloned into the ...
journal_title:International archives of allergy and immunology
pub_type: 杂志文章
doi:10.1159/000097498
更新日期:2007-01-01 00:00:00
abstract::Hypersensitivity pneumonitis remains an important industrial disease in mushroom workers. It has a significant morbidity, and early diagnosis and removal from exposure to the antigen are critically important in its management. Recently, several new allergens have been described, particularly those from mushroom specie...
journal_title:International archives of allergy and immunology
pub_type: 杂志文章,评审
doi:10.1159/000083298
更新日期:2005-01-01 00:00:00
abstract::Increased serum IgE and enhanced susceptibility to viral infections, decreased levels of interferons, lymphocytic skin infiltrates and IgE-bearing epidermal Langerhans cells are striking features in patients with atopic eczema (AE). Since the hyper-IgE syndrome is known to improve under alpha-interferon (alpha-IFN) th...
journal_title:International archives of allergy and immunology
pub_type: 杂志文章
doi:10.1159/000236494
更新日期:1993-01-01 00:00:00
abstract:BACKGROUND:A new lateral flow test (LFT) for office use provides information about sensitisation to common allergens. Concordance between LFT and skin-prick test (SPT) has not been assessed in epidemiological studies. The aim of this study is to determine LFT-SPT concordance in this field. METHODS:Plasma samples (n = ...
journal_title:International archives of allergy and immunology
pub_type: 杂志文章
doi:10.1159/000288291
更新日期:2010-01-01 00:00:00
abstract::Long-term birth cohort studies are essential to understanding the life course and childhood predictors of allergy and the complex interplay between genes and the environment (including lifestyle and socioeconomic determinants). Over 100 cohorts focusing on asthma and allergy have been initiated in the world over the p...
journal_title:International archives of allergy and immunology
pub_type: 杂志文章,评审
doi:10.1159/000343018
更新日期:2013-01-01 00:00:00
abstract:INTRODUCTION:Pathologic accumulation and activation of mast cells and eosinophils are implicated in allergic and inflammatory diseases. Sialic acid-binding immunoglobulin-like lectin (Siglec)-8 is an inhibitory receptor selectively expressed on mast cells, eosinophils and, at a lower extent, basophils. When engaged wit...
journal_title:International archives of allergy and immunology
pub_type: 杂志文章
doi:10.1159/000501637
更新日期:2019-01-01 00:00:00
abstract:INTRODUCTION:Unique gut microbial colonisation patterns are associated with the onset of allergic disease in infants; however, there is insufficient evidence to determine if aberrant microbial composition patterns persist in adult allergic rhinitis (AR) sufferers. OBJECTIVE:To compare the gut microbiome composition be...
journal_title:International archives of allergy and immunology
pub_type: 杂志文章
doi:10.1159/000510536
更新日期:2021-01-01 00:00:00
abstract:BACKGROUND:Cannabinoid (CB) 2 is expressed on immune and inflammatory cells. Identification of 2-arachidonyl glycerol (2-AG) and anandamide as endogenous CB2 ligands has allowed investigations of the roles of CB2 and its endogenous ligand system in inflammatory cells. However, the roles of this receptor-ligand system i...
journal_title:International archives of allergy and immunology
pub_type: 杂志文章
doi:10.1159/000336167
更新日期:2012-01-01 00:00:00
abstract:BACKGROUND:Intestinal intraepithelial lymphocytes (iIELs) play an important role in intestinal innate immunity and oral immune tolerance. To compare the differences in gene expression between murine iIELs and splenic T lymphocytes, we established the cDNA subtractive library of iIELs and analyzed the iIELs special gene...
journal_title:International archives of allergy and immunology
pub_type: 杂志文章
doi:10.1159/000095468
更新日期:2006-01-01 00:00:00
abstract:BACKGROUND:Patients with chronic urticaria (CU) in the UK could be referred to health care professionals (HCPs) with diverse specialties using different guidelines. The aims of the present study were to determine which CU guidelines HCPs in the UK use, which tests they use for the diagnosis of CU, and how they manage C...
journal_title:International archives of allergy and immunology
pub_type: 杂志文章
doi:10.1159/000430442
更新日期:2015-01-01 00:00:00
abstract:BACKGROUND:It is assumed that the very late antigen-4 (VLA-4) plays a key role in selective migration and accumulation of eosinophils to the allergic inflammatory focus. The regulatory mechanism for VLA-4 expression is poorly understood, as is its relationship between other adhesion molecules. OBJECTIVE:The aim of the...
journal_title:International archives of allergy and immunology
pub_type: 杂志文章
doi:10.1159/000053850
更新日期:2001-01-01 00:00:00
abstract:BACKGROUND:It has been reported that protein tyrosine phosphorylation is essential for cytokine production in mouse Th1 cells but not in Th2 cells. However, little is known about the difference of signal transduction between human antigen-specific Th1 and Th2 cell clones. METHODS:Purified protein derivative-specific T...
journal_title:International archives of allergy and immunology
pub_type: 杂志文章
doi:10.1159/000024028
更新日期:1999-01-01 00:00:00
abstract::For the identification and characterization of allergen grass group VI we performed two-dimensional immunoblotting of timothy grass pollen (Phleum pratense). Two intense 13-kD protein spots of pI 5.2 and 5.5 were found to be IgE reactive. By N-terminal microsequencing and amino acid analysis we identified them as Phl ...
journal_title:International archives of allergy and immunology
pub_type: 杂志文章
doi:10.1159/000237117
更新日期:1995-09-01 00:00:00
abstract:BACKGROUND:Matrix metalloproteinase (MMP)-2, MMP-9 and MMP-13 can degrade type IV collagen which is the major component of the basement membrane zone (BMZ). In bullous pemphigoid (BP), the separation occurs within the BMZ. OBJECTIVE:To evaluate the involvement of MMPs in the pathogenesis of BP, we examined the express...
journal_title:International archives of allergy and immunology
pub_type: 杂志文章
doi:10.1159/000090385
更新日期:2006-01-01 00:00:00
abstract::Aerosolized monoclonal antibodies (mAbs) specific for T-cell receptors (TCR) were used to manipulate T-cell function in airways of ovalbumin (OVA)-sensitized and -challenged mice with airway hyperresponsiveness (AHR). The inhaled mAbs were found to be effective at low doses, had little or no systemic effect and specif...
journal_title:International archives of allergy and immunology
pub_type: 杂志文章
doi:10.1159/000077533
更新日期:2004-05-01 00:00:00
abstract:BACKGROUND:Anti-inflammatory therapy is a logical approach to slowing the inevitable lung function deterioration in cystic fibrosis (CF) patients. This study's aim was to evaluate inflammatory markers and disease progression in paediatric CF patients chronically treated with azithromycin or low-dose prednisolone. METH...
journal_title:International archives of allergy and immunology
pub_type: 杂志文章
doi:10.1159/000453451
更新日期:2017-01-01 00:00:00
abstract::IgE is a key mediator in allergic diseases. However, in strong contrast to other antibody isotypes, many details of the composition of the human IgE repertoire are poorly defined. The low levels of human IgE in the circulation and the rarity of IgE-producing B cells are important reasons for this lack of knowledge. In...
journal_title:International archives of allergy and immunology
pub_type: 杂志文章,评审
doi:10.1159/000355947
更新日期:2014-01-01 00:00:00
abstract::In this study, we postulated that repeated cycles of IgE passive sensitisation and antigen challenge may play a role in up-regulating eosinophil response in allergic conditions. Antigen-mediated stimulation of the pleural cavity of rats passively sensitised with a single injection of IgE anti-DNP resulted in mast cell...
journal_title:International archives of allergy and immunology
pub_type: 杂志文章
doi:10.1159/000049530
更新日期:2001-12-01 00:00:00
abstract::IL-13 is a relatively novel cytokine produced by activated T cells. IL-13 inhibits the production of proinflammatory cytokines and chemokines by activated monocytes, induces B cell proliferation and differentiation, including IgE production, and the expression of certain adhesion molecules on endothelial cells. All th...
journal_title:International archives of allergy and immunology
pub_type: 杂志文章,评审
doi:10.1159/000236842
更新日期:1995-03-01 00:00:00
abstract::The present study was designed to determine if depletion of the complement system in the circulation with cobra venom factor (CVF) prevented the cellular infiltration in a guinea pig model of asthma. Guinea pigs were sensitized with ovalbumin (OA) alone or OA with complete Freund's adjuvant. Animals were pretreated wi...
journal_title:International archives of allergy and immunology
pub_type: 杂志文章
doi:10.1159/000237214
更新日期:1996-02-01 00:00:00
abstract:BACKGROUND:Intravenous immunoglobulin (IVIG) is the mainstay therapy in human immune deficiency states characterized by qualitative and quantitative reductions in B cells. In addition, however, there is widespread use of IVIG in a number of other areas, including neuroimmunologic, infectious, dermatologic, hematologic,...
journal_title:International archives of allergy and immunology
pub_type: 杂志文章,评审
doi:10.1159/000093204
更新日期:2006-01-01 00:00:00
abstract::Tyrosine phosphorylation of STAT1alpha in eosinophils after IFN-gamma stimulation has been shown, but the biological significance of eosinophil STAT1alpha activation in transmitting the signals through the IFN-gamma receptor remains unknown. The purpose of this study is to determine whether STAT1 is involved in the re...
journal_title:International archives of allergy and immunology
pub_type: 杂志文章
doi:10.1159/000053722
更新日期:2001-01-01 00:00:00
abstract::Fourteen Brown-Norway rats were pretreated with physiological saline (n = 7) or 500 micrograms Sephadex (n = 7) intratracheally. 24 h later, a bronchial provocation test was performed under pentobarbital anaesthesia using increasing doses of acetylcholine aerosol and the degree of bronchospasm was measured using a mod...
journal_title:International archives of allergy and immunology
pub_type: 杂志文章
doi:10.1159/000236196
更新日期:1992-01-01 00:00:00