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In vitro transformation of human bronchial epithelial cells by diesel exhaust particles

ABSTRACT: In vitro transformation of human bronchial epithelial cells by diesel exhaust particles

PROVIDER: PRJNA420341 | ENA |

REPOSITORIES: ENA

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In vitro transformation of human bronchial epithelial cells by diesel exhaust particles

Project description:The potential of diesel exhaust particles (DEP) to transform human bronchial epithelial cells (HBEC3) was investigated and a stably transformed cell line (T2-HBEC3) was established. Short-term DEP exposure experiments adds information of immunomodulatory effect markers and differences in susceptibility between normal and sensitized bronhial epithelial cells of the human lung.

2017-11-30 | GSE107481 | GEO

Lung cell responses to ship diesel exhaust particles

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Lung cell responses to ship diesel exhaust particles

Project description:Human BEAS-2B bronchial epithelial cells were exposed directly at the air-liquid interphase towards exhaust gas and particles of a ship engine. The goal was to compare the responses towards different fuel combustions. The engine run either on diesel fuel (DF) or on Heavy Fuel Oil (HFO). The lung cells were exposed 3 times to each combustion aerosol (DF or HFO). The duration of the exposure was 4h. The cells were seeded into transwell-inserts 24h before exposure. Within each exposure 3 transwell-inserts were exposed to the complete aerosol and 3 transwell-inserts were exposed to the filtered aerosol. Effects of the complete aerosol were referenced against the filtered aerosol to determine the effects of the aerosol particles.

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Diesel exhaust particles Enhance Monocyte Recruitment, Accelerating Allergic Airway Inflammation

Project description:We performed single-cell RNA sequencing on CD45+ cells isolated from the lungs of C57BL/6 mice exposed to diesel exhaust particles via inhalation. The objective was to investigate which immune cells respond to particulate matter exposure.

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Effect of Diesel Exhaust Particles in Normal Human Embryonic Lung Cell (WI-38) Line

Project description:We performed RNA sequencing to identify genes and pathways induced by Diesel exhaust particles exposure in WI-38 cells.

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Transcriptomic responses to diesel exhaust particles or World trade center dust

Project description:C57BL/6 Mouse cortex samples at 2-months of age, both sexes, exposed to one acute 5-hour dose of 100ug/m3 of air pollution from diesel exhaust particles or dust from the World Trade Center collapse. C57BL/6 female mouse cortex exposed to one acute 4-hour dose of 500ug/m3 of woodsmoke.

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Proteomic analysis reveals activation of platelet- and fibrosis-related pathways in hearts of ApoE-/- mice exposed to diesel exhaust particles

Project description:Air pollution is an environmental risk factor linked to multiple human diseases including cardiovascular diseases (CVDs). While particulate matter (PM) emitted by diesel exhaust damages multiple organ systems, heart disease is one of the most severe pathologies affected by PM. However, the in vivo effects of diesel exhaust particles (DEP) on the heart and the molecular mechanisms of DEP-induced heart dysfunction have not been investigated. In the current study, we attempted to identify the proteomic signatures of heart fibrosis caused by diesel exhaust particles (DEP) in CVDs-prone apolipoprotein E knockout (ApoE-/-) mice model using tandem mass tag (TMT)-based quantitative proteomic analysis. DEP exposure induced mild heart fibrosis in ApoE-/- mice compared with severe heart fibrosis in ApoE-/- mice that were treated with CVDs-inducing peptide, angiotensin II. TMT-based quantitative proteomic analysis of heart tissues between PBS- and DEP-treated ApoE-/- mice revealed significant upregulation of proteins associated with platelet activation and TGFβ-dependent pathways. Our data suggest that DEP exposure could induce heart fibrosis, potentially via platelet-related pathways and TGFβ induction, causing cardiac fibrosis and dysfunction.

2023-12-09 | PXD045029 | Pride

DNA methylation changes in A549 cells after four weeks of exposure to 30 μg/ml diesel exhaust particles.

Project description:Diesel exhaust particles (DEP), which contain hazardous compounds, are emitted during the combustion of diesel. As approximately one-third of the vehicles worldwide use diesel, there are growing concerns on the risks posed by DEP to human health. Long-term exposure to DEP is associated with airway hyperresponsiveness, pulmonary fibrosis, and inflammation; however, the molecular mechanisms behind the effects of DEP on the respiratory tract are poorly understood. Such mechanisms can be addressed by examining transcriptional and DNA methylation changes. In this study, we investigated the effect of 4 weeks exposure to 30 μg/ml DEP on DNA methylation levels in A549 cells.

2024-08-05 | GSE267215 | GEO

Transcriptional profiling of human bronchial epithelial cell BEAS-2B exposed to diesel and biomass ultrafine particles

Project description:Time course transcriptomic profiling of human bronchial epithelial cell BEAS-2B exposed to a single dose of diesel and biomass ultrafine particles

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2026-03-13 | E-MTAB-16322 | biostudies-arrayexpress

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