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House dust mite (HDM) is a primary allergen in allergic rhinitis (AR) and asthma. Neutrophil apoptosis is associated with allergic diseases and innate immunity to infection. The present study examined how HDM affects constitutive neutrophil apoptosis in normal and AR subjects. Total IgE increased in AR subjects when compared to normal subjects, and patients(More)
Deconvolution enhances contrast in fluorescence microscopy images, especially in low-contrast, high-background wide-field microscope images, improving characterization of features within the sample. Deconvolution can also be combined with other imaging modalities, such as confocal microscopy, and most software programs seek to improve resolution as well as(More)
We investigated the effect of asthmatic serum on constitutive eosinophil apoptosis in normal subjects. Eosinophil apoptosis in normal subjects was inhibited by asthmatic serum but not normal serum. In a detailed analysis based on the presence of house dust mite (HDM) IgE, HDM IgE-positive (+) asthmatic serum was more effective for eosinophil apoptosis than(More)
Hydroquinone (HQ) is a major benzene metabolite, which is produced after benzene biotransformation. In this study, we investigated the toxic effect of HQ on lymphocytes. HQ significantly induced the apoptosis of lymphocytes isolated from normal peripheral blood in both dose and time dependent courses. Volatile organic compounds such as benzene, phenol,(More)
(S)-(+)-decursin is a biological coumarin compound isolated from Angelica gigas Nakai. (S)-(+)-decursin and its analogue have a variety of pharmacological activities. In the present study, the anti-inflammatory effect of a (S)-(+)-decursin derivative, (S)-(+)-3-(3,4-dihydroxy-phenyl)-acrylic acid 2,2-dimethyl-8-oxo-3,4-dihydro-2H,8H-pyrano(More)
House dust mites (HDMs) induce allergic diseases such as asthma. Neutrophil apoptosis is an important process of innate immunity, and its dysregulation is associated with asthma. In this study, we examined the effects of HDM on constitutive apoptosis of normal and asthmatic neutrophils. Extract of Dermatophagoides pteronissinus (DP) inhibited neutrophil(More)
Arazyme is a novel extracellular metalloprotease secreted by Aranicola proteolyticus. Endothelial cells are involved in the pathogenesis of a number of inflammatory diseases, induce uncontrolled cell viability and express various inflammatory mediators, including cytokines, chemokines, adhesion molecules and reactive oxygen species (ROS). In the current(More)
Although extract of Dermatophagoides farinae (DF) alone had no effect on neutrophil apoptosis, it inhibited neutrophil apoptosis in neutrophils cocultured with lymphocytes in both normal and allergic subjects. DF showed a stronger inhibition on the apoptosis of allergic neutrophils cocultured with allergic lymphocytes than that of normal neutrophils(More)
House dust mite is a major allergen in allergic diseases such as asthma. In this study, we investigated the effects of house dust mite on constitutive eosinophil apoptosis in normal and asthmatic subjects. We classified asthmatic subjects into those with atopic and non-atopic asthma depending on the presence of DP-specific IgE or/and DF-specific IgE in(More)
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