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Time course of NHBE cells exposed to whole cigarette smoke

ABSTRACT: Gene expression patterns were assessed in normal human bronchial epithelial (NHBE) cells exposed to cigarette smoke from a reference cigarette (2R4F, University of Kentucky) and a typical American brand of "light" cigarettes ("Lights") in order to develop a better understanding of the genomic impact of tobacco exposure, which can ultimately define biomarkers that discriminate tobacco-related effects and outcomes in a clinical setting. NHBE cells were treated with whole cigarette smoke for 15 minutes and alterations to the transcriptome assessed at 2, 4, 8 and 24 hours post-exposure using high-density oligonucleotide microarrays. Keywords: time course, cigarette smoke exposure

ORGANISM(S): Homo sapiens

PROVIDER: GSE10700 | GEO | 2008/03/04

SECONDARY ACCESSION(S): PRJNA107573

REPOSITORIES: GEO

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Transcription profiling of human NHBE cells exposed TO NORMAL human bronchial epithelial whole cigarette smoke FROM light AND standard brands

Project description:Gene expression patterns were assessed in normal human bronchial epithelial (NHBE) cells exposed to cigarette smoke from a reference cigarette (2R4F, University of Kentucky) and a typical American brand of "light" cigarettes ("Lights") in order to develop a better understanding of the genomic impact of tobacco exposure, which can ultimately define biomarkers that discriminate tobacco-related effects and outcomes in a clinical setting. NHBE cells were treated with whole cigarette smoke for 15 minutes and alterations to the transcriptome assessed at 2, 4, 8 and 24 hours post-exposure using high-density oligonucleotide microarrays. Experiment Overall Design: 4 replicate Petri dishes of cells were exposed in a custom-built smoke exposure chamber. Cigarettes were smoked as per FTC protocols, and the smoke diluted such that the cells were at least 50% viable as compared to mock (air)-exposed controls after 24h. RNA from each replicate dish was analyzed using a separate array. Four replicates of an incubator (untreated with either smoke or air) are included also.

2008-04-06 | E-GEOD-10700 | biostudies-arrayexpress

Time course of NHBE cells exposed to whole cigarette smoke (full flavor)

Project description:Gene expression patterns were assessed in normal human bronchial epithelial (NHBE) cells exposed to cigarette smoke (CS) from a typical "full flavor" American brand of cigarettes in order to develop a better understanding of the genomic impact of tobacco exposure, which can ultimately define biomarkers that discriminate tobacco-related effects and outcomes in a clinical setting. NHBE cells were treated with CS for 15 minutes and alterations to the transcriptome assessed at 1,2,4 and 24 hours post-CS-exposure using high-density oligonucleotide microarrays. Keywords: Time course

2008-03-05 | GSE10718 | GEO

Transcription profiling of human normal human bronchial epithelial (NHBE) cells exposed to whole cigarette smoke over a time series to study the impact of tobacco exposure

2008-04-06 | E-GEOD-10718 | biostudies-arrayexpress

Gene expression signature induced by 8 weeks of cigarette smoke exposure in the lung of BALB/c mice

Project description:To investigate the impact of cigarette smoke on lung gene expression, female BALB/c mice were obtained from Charles River at 6-8 weeks of age. Using a whole body exposure system (SIU48, PROMECH LAB AB, Vintrie, Sweden), mice (5 per group) were exposed to room air or the mainstream cigarette smoke of twelve 3R4F reference cigarettes (University of Kentucky, Lexington, USA) with filters removed 5 days per week, twice daily for 50 minutes/exposure for 8 weeks, as previously described. Control animals were exposed to room air only. Lungs were collected and stored in RNALater at -80M-BM-0C prior to RNA extraction. Impact of an 8 week cigarette smoke exposure on BALB/c mouse lung gene expression was assessed.

2014-04-01 | E-GEOD-55127 | biostudies-arrayexpress

NHBE exposed to cigarette smoke

Project description:normal human bronchial epithelial cultures from two cultures in parallel exposed to cigarette smoke (CS) or air (mock) at timepoints 4 hours and 24 hours. Keywords = cigarette smoke Keywords = microarray Keywords = bronchial cell Keywords = tobacco Keywords: time-course

2005-02-23 | GSE2302 | GEO

Gene expression after 1 and 5 days of cigarette smoke exposure in mice with chronically inflamed or healthy lungs

Project description:These studies tested the hypotheses that smoke induces changes in mRNA profiles that are dependent on sex and the health status of the lung, and that the effects of smoke are different after 1 day compared to 5 days of smoke exposure. The ways in which the lungs modulate their response to cigarette smoke after repeated exposures are important for understanding the toxicology of smoke, for developing biomarkers of chronic smoke exposure, and for understanding the therapeutic potential in regulatory signaling pathways that are beneficial or detrimental to lung health. Sex-matched 5-7-week old wildtype (WT) and Scnn1b-overexpressing (BENaC) littermates were exposed to cigarette smoke or sham (room air) exposure. Exposure occurred in a plexiglass chamber attached to a smoke delivery device using an exposure chamber and smoking machine (inExpose Exposure System, SCIREQ, Chandler, AZ). Mice were exposed to mainstream + sidestream smoke from 6 reference cigarettes with filters removed per day (3R4F research cigarettes, University of Kentucky). Each cigarette was puffed for 2 sec every 25 sec, using the standard Federal Trade Commission smoking machine protocol. The sham-exposed control mice were exposed to room air in the exposure chamber for a time equivalent to that needed for active smoke exposure. Mice were exposed to cigarette or sham smoke for 1 day or 5 consecutive days. Samples were harvested 4 hours after the completion of the final smoke exposure. The right lung was used for gene expression analysis.

2019-03-18 | GSE109776 | GEO

Gene expression signature induced by 8 weeks of cigarette smoke exposure in the lung of BALB/c mice

2014-04-01 | GSE55127 | GEO

Effects of e-cigarette smoke on transcription profiles of PASMCs and AECII in mice

Project description:Cigarette smoke is a major risk factor for the development and progression of chronic obstructive pulmonary disease. Tobacco smoking is also the main cause of lung cancer and the main preventable cause of other lung and heart disease. Strategies to eliminate cigarette smoking have led to the emergence of new tobacco-related products as alternatives for cigarette smoking or tools for smoking cessation. Electronic cigarettes (E-cigarettes) have been introduced to the market in recent years as an alternative to smoking conventional cigarettes. E-cigarettes are nicotine delivery devices by heating and converting to aerosol a liquid mixture composed of propylene glycol, vegetable glycerine, flavouring chemicals, and nicotine. Despite the lack of appropriate studies, e-cigarettes are nowadays widely used and advertised as safe cigarette replacements and the number of users is rapidly growing. Unlike cigarette smoke, where the determinant effects are well studied and documented, very limited amount of research has been done on the health effects and public health of e-cigarettes. The study aims to investigate the effects of e-cigarette vapour extract on gene expression in different primary isolated mouse lung cells [pulmonary arterial smooth muscle cells (PASMC) and alveolar epithelial type two cells (AECII)]. The cells will be exposed to e-cigarette vapour extract (ECVE).

2023-05-01 | GSE202215 | GEO

Comprehensive systems biology analysis of a seven-month cigarette smoke inhalation study in C57BL/6 mice

Project description:Smoking of combustible cigarettes has a major impact on human health. Using a systems toxicology approach in a model of chronic obstructive pulmonary disease (C57BL/6 mice), we assessed the health consequences in mice of smoke derived from a prototype modified risk tobacco product (pMRTP) as compared to conventional cigarettes. We investigated physiological and histological endpoints in parallel with transcriptomics, lipidomics, and proteomics profiles in mice exposed to a reference cigarette (3R4F) smoke or a pMRTP aerosol for up to 7 months. We also included a cessation group and a switching-to-pMRTP group (after 2 months of 3R4F exposure) in addition to the control (fresh air-exposed) group, to understand the potential risk reduction of switching to pMRTP compared with continuous 3R4F exposure and cessation. </p> The dataset shared here describes the lipidomics analyses performed on lung, liver, and plasma of these mice at multiple time points. Lipids were characterized using, in addition to (untargeted) shotgun lipidomics, a set of targeted methods to specifically characterize sphingolipids, ceramides, triglycerides, eicosanoids, and gangliosides.

2015-11-19 | MTBLS143 | MetaboLights

Effect of cigarette smoke on gene expression in mammary epithelial cells [methylation]

Project description:Recent epidemiological studies demonstrate that both active and involuntary exposure to tobacco smoke increases the risk of breast cancer. Little is known, however, about the molecular mechanisms by which tobacco smoke contributes to breast carcinogenesis. To investigate these mechanisms we have analyzed gene expression and methylation in MCF 10A mammary epithelial cells chronically exposed to aqueous cigarette smoke extract (CSE). CSE was prepared weekly and added to the cell cultures at a concentration equivalent to 0.001 cigarettes/ml for 21 weeks. Mock-treated samples were prepared in parallel.

2013-08-12 | E-GEOD-42623 | biostudies-arrayexpress

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