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Ovalbumin sensitized and challenged induces differential gene expression in mouse lungs

ABSTRACT: To gain insight into the promoting effect of ultrafine particle inhalation on development and progression of allergic asthma, we selected an experimental approach involving exposure to ultrafine carbon particles (UCP) and gene expression profiling of lungs from mice with experimental, ovalbumin induced allergy. Comparative gene expression analysis was performed by hybridizing pooled cDNA samples from lavaged lungs of different groups. These results suggest that allergic sensitization may represent a susceptibility factor for effects of UCP on gene expression in the lung. In sensitized individuals UCP exposure, such as found in polluted air, thus may contribute to the development and /or aggravation of allergic asthma. Keywords: Particle Inhalation, lung, ovalbumin sensitzed and challanged, experssion profiling

ORGANISM(S): Mus musculus

PROVIDER: GSE6496 | GEO | 2007/07/01

SECONDARY ACCESSION(S): PRJNA98667

REPOSITORIES: GEO

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Ovalbumin sensitized and challenged induces differential gene expression in mouse lungs

Project description:To gain insight into the promoting effect of ultrafine particle inhalation on development and progression of allergic asthma, we selected an experimental approach involving exposure to ultrafine carbon particles (UCP) and gene expression profiling of lungs from mice with experimental, ovalbumin induced allergy. Comparative gene expression analysis was performed by hybridizing pooled cDNA samples from lavaged lungs of different groups. These results suggest that allergic sensitization may represent a susceptibility factor for effects of UCP on gene expression in the lung. In sensitized individuals UCP exposure, such as found in polluted air, thus may contribute to the development and /or aggravation of allergic asthma. Keywords: Particle Inhalation, lung, ovalbumin sensitzed and challanged, experssion profiling Lungs of groups of six non-sensitized, ovalbumin sensitized, or sensitized and ovalbumin challenged BALB/cJ mice, either subjected to particle-free or UCP containing air; two replicates including one dye swap experiment have been performed for lungs: a) non-sensitized particle free air versus sensitized and ovalbumin challenged sensitized particle free air; b) non-sensitized UCP containing air versus sensitized and ovalbumin challenged sensitized UCP containing air

2010-06-10 | E-GEOD-6496 | biostudies-arrayexpress

UCP exposure of ovalbumin sensitized and challenged mice

2007-07-01 | GSE6571 | GEO

UCP exposure of ovalbumin sensitized and challenged mice

Project description:To gain insight into the promoting effect of ultrafine particle inhalation on development and progression of allergic asthma, we selected an experimental approach involving exposure to ultrafine carbon particles (UCP) and gene expression profiling of lungs from mice with experimental, ovalbumin induced allergy. Comparative gene expression analysis was performed by hybridizing pooled cDNA samples from lavaged lungs of different groups. The results suggest that allergic sensitization may represent an susceptibility factor for effects of UCP on gene expression in the lung. In sensitized individuals UCP exposure, such as found in polluted air, thus may contribute to the development and/or aggrevation of allergic asthma. Keywords: Particle Inhalation, lung, ovalbumin sensitized and challanged, expression profling Lungs of groups of six sensitized or sensitized and challanged BALB/cJ mice, either subjected to particle-free or UCP containing air; two replicates including one dye swap experiment have been performed for lungs: a) sensitized particle free air versus sensitized UCP exposure; b) sensitized and challanged particle free air versus sensitized and challanged UCP exposure

2010-06-10 | E-GEOD-6571 | biostudies-arrayexpress

UCP exposure of ovalbumin sensitized and challenged mice

Project description:UCP exposure of ovalbumin sensitized and challenged mice

| PRJNA98749 | ENA

Transcription profiling of whole mouse lungs of wild-type and recombinase activating gene (RAG) deficient animals sensitized and then challenged with the allergen ovalbumin

Project description:Experimental asthma was induced in BALB/c mice by sensitization and challenge with the allergen ovalbumin. Control groups received PBS. To investigate the innate immune component of experimental asthma, we also analyzed recombinase activating gene (RAG) deficient mice following exposure to ovalbumin and control PBS Experiment Overall Design: Each experimental group was exposed to ovalbumin or control PBS. At day 22, 1 day after completion of the allergen exposure, whole lungs were harvested, total mRNA prepared, and gene expression determined by hybridization to Affymetrix microarrays.

2007-11-06 | E-GEOD-6858 | biostudies-arrayexpress

Lung transcriptome profile in healthy and OVA-sensitized/challenged mice fed a diet supplemented with or without Cap or ODNcap

Project description:CpG-oligodeoxynucleotides (CpG-ODNs) constitute an attractive alternative for asthma treatment. We found that free feeding of an ODNcap (a CpG-ODN-embedded particle) -containing feed (ODNcap-F) prophylactically attenuates allergic airway inflammation, hyperresponsiveness, and goblet cell hyperplasia in an ovalbumin (OVA) -induced asthma model. To seek the suppressive mechanism of action of ODNcap-F in OVA-induced airway insults, we analyzed the lung transcriptome using DNA microarray analysis.

2021-09-29 | GSE180287 | GEO

Transcription profiling of mouse model of diesel enhanced allergic sensitization

Project description:Diesel exhaust (DE) has been shown to enhance allergic sensitization in animals following high dose instillation or chronic inhalation exposure scenarios. The purpose of this study was to determine if short term exposures to diluted DE enhance allergic immune responses to antigen, and identify possible mechanisms using microarray technology. BALB/c mice were exposed to filtered air or diluted DE to yield particle concentrations of 500 or 2000 Âµg/m3 4 hr/day on days 0-4. Mice were sensitized intranasally with ovalbumin (OVA) antigen or saline on days 0-2, and 18 and all were challenged with OVA on day 28. Mice were necropsied either 4 hrs after the last DE exposure on day 4, or 18, 48, and 96 hrs after challenge. Immunological endpoints included OVA-specific serum IgE, biochemical and cellular profiles of bronchoalveolar lavage (BAL), and cytokine production in the BAL. OVA-sensitized mice exposed to both concentrations of DE had increased eosinophils, neutrophils, lymphocytes, and IL-6 post-challenge compared to OVA control, while DE/saline exposure yielded increases in neutrophils at the high dose only. Microarray analysis demonstrated distinct gene expression profiles for the high dose DE/OVA and DE/saline groups. DE/OVA induced pathways involved in oxidative stress and metabolism while DE in the absence of allergen sensitization modulated cell cycle control, growth and differentiation, G-proteins, and cell adhesion pathways. This study shows for the first time early changes in gene expression induced by the combination of diesel exhaust inhalation and antigen sensitization, which resulted in stronger development of an allergic asthma phenotype. Experiment Overall Design: Lung RNA was isolated from mice exposed to filtered air, 500 ug/m3 DE, or 2000 ug/m3 DE with or without OVA for a total of 6 exposure groups. Each group had 4 replicates for a total of 24 microarrays.

2008-06-16 | E-GEOD-9383 | biostudies-arrayexpress

Expression data from ovalbumin (OVA) induced asthma model

Project description:Expression data from ovalbumin (OVA) induced asthma model

| PRJNA808964 | ENA

MeRIP Sequencing of Lung Tissues from OVA‐induced Acute Allergic Asthma Mice

Project description:The objective of the study was to present a transcriptome-wide m6A methylome profile of lung tissues in mouse model of ovalbumin(OVA)-induced acute allergic asthma.

2021-10-11 | GSE179874 | GEO

Airborne particulate matter from goat farm increases acute allergic airway responses in mice increases acute allergic airway responses in mice

Project description:Background: Inhalation exposure to biological particulate matter (BioPM) from livestock farms may provoke exacerbations in subjects suffering from allergy and asthma. The aim of this study was to use a murine model of allergic asthma to determine the effect of BioPM derived from goat farm on airway allergic responses Methods: Fine (< 2.5 μm) BioPM was collected from an indoor goat stable. Female BALB/c mice were ovalbumin (OVA) sensitized and challenged with OVA or saline as control. The OVA and saline groups were divided in sub-groups and exposed intranasally to different concentrations (0, 0.9, 3, or 9 μg) of goat farm BioPM. Bronchoalveolar lavage fluid (BALF), blood and lung tissues were collected. Results: In saline-challenged mice, goat farm BioPM alone induced a dose-dependent increase in neutrophils in BALF and induced production of macrophage inflammatory protein-3a). In OVA-challenged mice, BioPM significantly enhanced 1) inflammatory cells in BALF, 2) OVA-specific Immunoglobulin (Ig)G1, 3) interleukin-23 production, 4) airway mucus secretion-specific gene expression. RNAseq analysis of lungs indicates that neutrophil chemotaxis and oxidation-reduction processes were the representative genomic pathways in saline and OVA-challenged mice, respectively. Conclusions: A single exposure to goat farm BioPM enhanced airway inflammation in both saline and OVA-challenged allergic mice, with neutrophilic response as Th17 disorder and eosinophilic response as Th2 disorder indicative of the severity of allergic responses. Identification of the mode of action by which farm PM interacts with airway allergic pathways will be useful to design potential therapeutic approaches.

2020-08-01 | GSE148240 | GEO

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