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Mouse skin CD45 cells in house dust mite dermatitis

ABSTRACT: Mouse skin CD45 cells in house dust mite dermatitis

PROVIDER: PRJNA992125 | ENA |

REPOSITORIES: ENA

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Mouse skin CD45 cells in house dust mite dermatitis

Project description:Despite robust literature associating IL-31 with pruritic inflammatory skin diseases, its influence on cutaneous inflammation and on the interplay between inflammatory and neurosensory pathways remain unmapped. Here, we examined the consequences of disrupting Il31 and its receptor Il31ra in a mouse model of house dust mite (HDM) allergic dermatitis. Il31-deficient mice displayed an increased number and proportion of cutaneous type 2 cytokine-producing CD4 T cells and serum IgE in response to HDM. Single cell RNA-sequencing analysis of skin CD45+ populations from HDM-treated skin revealed that Il4ra+ monocytes and macrophages capable of fueling a feedforward type 2 inflammatory loop were selectively enriched in Il31ra-deficient HDM dermatitis skin. Thus, IL-31 is not strictly a pro-inflammatory cytokine, but rather an immunoregulatory factor that limits the magnitude of type 2 inflammatory responses in skin.

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Transcriptional changes in mouse lungs induced by house dust mite

Project description:We examined the transcriptional changes in mouse lungs induced by house dust mite (HDM), D.f. extract and the isolated RNA was utilized for RNA-seq analysis. Our results demonstrated that HDM strongly triggered an inflammatory response.

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Expression data from lung CD11b+ conventional dendritic cells in the steady-state and following exposure to house dust mite allergens

Project description:Using mouse lung resident conventional CD11b+ dendritic cells (CD11b+ cDCs) in the context of house-dust mite (HDM)-driven allergic airway sensitization as a model, we aimed here to identify transcriptional events regulating the pro-Th2 activity of cDCs. We used microarray analyses to identify genes differentially expressed by lung CD11b+ conventional dendritic cells in response to house dust mite allergens in wild-type and Irf3-deficient mice

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Transcription profiling of human primary nasal epithelium exposed to house dust mite extract shows activated expression in allergics

Project description:Response to allergen was studied in epithelial cells derived from allergic pantients and from healthy controls. Cells were cultured after isolation from a nasal biopsy. Cells were exposed to Housed dust mite or vessel (saline); Microarray data was analysed using bioinformatics and biostaistics. We conclude that a marked difference in basal expression and in response to hous dust mite exists Experiment Overall Design: We used 5 monotypic house dust mite allergic patients and 5 non-allergic healthy controls, the cells obtained from the biopsies were cultured in two wells, for two different conditions.

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Diesel exhaust and house dust mite allergen lead to common changes in the airway methylome and hydroxymethylome

Project description:Genomewide DNA methylation profiling of saline, diesel exhaust particiles and house dust mite treated human airway epithelial cells. Methylation profiles were generated by the Illumina Infinium MethylationEPIC beadchips.

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Gene expression patterns in house dust mite stimulated CD4 T cells and IgG:IgE ratios

Project description:PBMC from house dust mite (HDM) sensitized atopics were cultured in the presence or absence of HDM extract for 24 hours. At the termination of the cultures, CD4 T cells were isolated using immunomagnetic separation. Gene expression was profiled on microarrays.

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Human airway epithelial cell response to LPS and house dust mite antigen

Project description:Allergic asthmatic, allergy only, asthma only (no allergy), and non-allergic non-asthmatic (control) subjects underwent bronchoscopy with instillation of saline, lipopolysaccharide (LPS), and house dust mite antigen in separate subsegmental bronchi. Airway epithelial cells were collected four hours later (three samples per subject). RNA was extracted from these cells for microarray analysis. Keywords: gene expression arrays (two-dye: sample against common "universal" reference RNA)

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Gene expression patterns in house dust mite stimulated CD4 T cells and IgG:IgE ratios

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