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Exposure of human A549 and THP-1 cells and mouse J774 cells to single walled carbon nanotubes

ABSTRACT: The microarray investigations were part of a toxicological investigation of the effect of exposure to single-walled carbon nanotubes (SWCNTs) to macrophages and non-phagocytotic cells The results of this study are accepted for publication in Toxicological Research with the title: The toxic effects of single-wall carbon nanotubes are linked to the phagocytic ability of cells

ORGANISM(S): Mus musculus Homo sapiens

PROVIDER: GSE53765 | GEO | 2014/01/03

SECONDARY ACCESSION(S): PRJNA232840

REPOSITORIES: GEO

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Exposure of human A549 and THP-1 cells and mouse J774 cells to single walled carbon nanotubes

Project description:The microarray investigations were part of a toxicological investigation of the effect of exposure to single-walled carbon nanotubes (SWCNTs) to macrophages and non-phagocytotic cells The results of this study are accepted for publication in Toxicological Research with the title: The toxic effects of single-wall carbon nanotubes are linked to the phagocytic ability of cells Cell lines were treated for 24 hours either with water (vehicle control) or SWCNTs for 24 hours and the toxic effects were investigated including gene expression changes by affymetrix microarrays.

2014-01-03 | E-GEOD-53765 | biostudies-arrayexpress

Expression data from Caenorhabditis elegans exposed to single-walled carbon nanotubes

2012-10-11 | GSE41486 | GEO

Expression data from Caenorhabditis elegans exposed to single-walled carbon nanotubes

Project description:The potential environmental risk of single-walled carbon nanotubes (SWCNTs) is evaluated using Caenorhabditis elegans (C. elegans) as an ecotoxicological animal model. Highly soluble amide-modified SWCNTs (a-SWCNTs) are used in the present study so that the dose-response impact of SWCNTs could be studied. mechanisms. a-SWCNTs are efficiently taken up by worms during feeding and cause significant toxicity in worms, including retarded growth, shortened lifespan and defective embryogenesis. Genome-wide gene expression analysis is performed to investigate the toxic molecular We examined the effect of different concentrations of a-SWCNTs (0, 100, 250 and 500 Î¼g/mL) on the growth of C. elegans. We measured the body length of worms reaching the L4 stage after a-SWCNT exposure for 48 hr at 22Â°C. Compared to the untreated worms, we found that the average length of worms exposed to a-SWCNTs (500 Î¼g mL-1) was significantly shorter than the untreated groups. In addition, the dose of a-SWCNTs also caused retarded growth, reduced lifespan and defective embryogenesis in worms. Genome-wide gene expression analysis using an Affymetrix GeneChip was performed to further investigate the molecular basis of these defects.

2012-10-11 | E-GEOD-41486 | biostudies-arrayexpress

Gene expression profiles in rat alveolar macrophages exposure to multi-walled carbon nanotubes

Project description:To evaluate the biological effects at the transcriptional level of manufactured nanomaterials, we performed whole genome microarrays of rat alveolar macrophages (NR8383) exposed to multi-walled carbon nanotubes (MWCNTs) with different physicochemical properties.

2019-09-07 | GSE137008 | GEO

Whole Blood long non-coding RNA and mRNA Expression Profiles in Humans Exposed to Multi-walled Carbon Nanotubes

Project description:As the application of carbon nanotubes (CNT) in consumer products continues to rise, studies have expanded to determine the associated risks of exposure on human and environmental health. In particular, several lines of evidence indicate that exposure to multi-walled carbon nanotubes (MWCNT) could pose a carcinogenic risk similar to asbestos fibers. However, to date the potential markers of MWCNT exposure are not yet explored in humans.

2016-03-09 | GSE73830 | GEO

Gene expression profiles in rat lung following intratracheal instillation with cellulose nanofibrils and multi-walled carbon nanotubes

Project description:To evaluate the biological effects at the transcriptional level of manufactured nanomaterials, whole genome microarray analysis of rat lungs intratracheally instilled with cellulose nanofibrils (CNFs) with different physicochemical properties or multi-walled carbon nanotubes (MWCNTs) were performed.

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Carbon nanotubes, but not graphene oxide, trigger chemokine production in primary human macrophages via MyD88 dependent NF-kB Pathway

Project description:The growing medical application of engineered nanomaterials (ENMs) necessitates better understanding of their molecular toxicity mechanisms governing immune effects. In the present study, a comprehensive mechanistic in vitro assessment of two carbon-based ENMs, single-walled carbon nanotubes (SWCNTs) and graphene oxide (GO), was performed using primary human monocyte-derived macrophages (HMDM) as a model. HMDM were exposed to SWCNTs and GO at concentrations 10–100 µg/ml for 24 h. Toxicity, reactive oxygen species (ROS) production and uptake of ENM by cells was measured. The changes in gene expression profile of HMDM in response to SWCNTs and GO were studied and the key stress response pathways identified. The transcriptomics and pathway enrichment analysis findings were verified by multiplex immunoassay and functional assays.

2017-09-30 | GSE83516 | GEO

Inhaled multi-walled carbon nanotubes-induced gene expression profile in rat lung (NM-403)

Project description:In this work we study the pulmonary toxicological properties of carbon nanotubes using molecular toxicological approache. For this, we exposed Sprague Dawley rats by nose-only inhalation 6 hours/day, 5 days/week for 4 weeks. Lung samples have been collected up to 180 days after the end of exposure and transcriptomics analysis were performed.

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Inhaled multi-walled carbon nanotubes-induced gene expression profile in rat lung (NM-401)

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Transcriptomic study of NR8383 cells following exposure to multi-walled carbon nanotubes (NM401)

Project description:To identify differentially expressed genes and key biological pathways that define toxicity following nanomaterial exposure, we performed microarray analyses on NR8383 macrophages exposed for 4 h to 0.17 µg/mL of multi-walled carbon nanotubes (NM401) (100 % cell viability). This project has received funding from the European Union’s Horizon 2020 research and innovation programme under grant agreement No. 686098

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