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Three human cell types respond to multi-walled carbon nanotubes and titanium dioxide nanobelts with cell-specific transcriptomic and proteomic expression [THP-1 cells]

ABSTRACT: To identify key biological pathways that define toxicity or biocompatibility after nanoparticle exposure, three human cell types were exposed in vitro to two high aspect ratio nanoparticles for 1 hr or 24 hr and collected for global transcriptomics. Transcriptional responses were measured by global microarray analysis of cells in culture.

ORGANISM(S): Homo sapiens

PROVIDER: GSE42068 | GEO | 2012/12/15

SECONDARY ACCESSION(S): PRJNA179076

REPOSITORIES: GEO

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Three human cell types respond to multi-walled carbon nanotubes and titanium dioxide nanobelts with cell-specific transcriptomic and proteomic expression [THP-1 cells]

Project description:To identify key biological pathways that define toxicity or biocompatibility after nanoparticle exposure, three human cell types were exposed in vitro to two high aspect ratio nanoparticles for 1 hr or 24 hr and collected for global transcriptomics. Transcriptional responses were measured by global microarray analysis of cells in culture. Groups (N=3 biological replicates) of THP-1 cells exposed to 0, 10 or 100 ug/ml MWCNT or TiO2-NB nanoparticles for 1 or 24 hr.

2012-12-15 | E-GEOD-42068 | biostudies-arrayexpress

Three human cell types respond to multi-walled carbon nanotubes and titanium dioxide nanobelts with cell-specific transcriptomic and proteomic expression [SAE cells]

2012-12-15 | GSE42067 | GEO

Three human cell types respond to multi-walled carbon nanotubes and titanium dioxide nanobelts with cell-specific transcriptomic and proteomic expression [SAE cells]

Project description:To identify key biological pathways that define toxicity or biocompatibility after nanoparticle exposure, three human cell types were exposed in vitro to two high aspect ratio nanoparticles for 1 hr or 24 hr and collected for global transcriptomics. Transcriptional responses were measured by global microarray analysis of cells in culture. Groups (N=3 biological replicates) of SAE cells exposed to 0, 10 or 100 ug/ml MWCNT or TiO2-NB nanoparticles for 1 or 24 hr.

2012-12-15 | E-GEOD-42067 | biostudies-arrayexpress

Three human cell types respond to multi-walled carbon nanotubes and titanium dioxide nanobelts with cell-specific transcriptomic and proteomic expression [Caco-2/HT29-MTX cells]

2012-12-15 | GSE42066 | GEO

Three human cell types respond to multi-walled carbon nanotubes and titanium dioxide nanobelts with cell-specific transcriptomic and proteomic expression [Caco-2/HT29-MTX cells]

Project description:To identify key biological pathways that define toxicity or biocompatibility after nanoparticle exposure, three human cell types were exposed in vitro to two high aspect ratio nanoparticles for 1 hr or 24 hr and collected for global transcriptomics. Transcriptional responses were measured by global microarray analysis of cells in culture. Groups (N=3 biological replicates) of Caco-2/HT29-MTX cells exposed to 0, 10 or 100 ug/ml MWCNT or TiO2-NB nanoparticles for 1 or 24 hr.

2012-12-15 | E-GEOD-42066 | biostudies-arrayexpress

Three human cell types respond to multi-walled carbon nanotubes and titanium dioxide nanobelts with cell-specific transcriptomic and proteomic expression

Project description:This SuperSeries is composed of the SubSeries listed below.

2012-12-15 | GSE42069 | GEO

Three human cell types respond to multi-walled carbon nanotubes and titanium dioxide nanobelts with cell-specific transcriptomic and proteomic expression

Project description:This SuperSeries is composed of the SubSeries listed below. Refer to individual Series

2012-12-15 | E-GEOD-42069 | biostudies-arrayexpress

Three human cell types respond to multi-walled carbon nanotubes and titanium dioxide nanobelts with cell-specific transcriptomic and proteomic expression patterns.

Project description:The growing use of engineered nanoparticles (NPs) in commercial and medical applications raises the urgent need for tools that can predict NP toxicity. Global transcriptome and proteome analyses were conducted on three human cell types, exposed to two high aspect ratio NP types, to identify patterns of expression that might indicate high versus low NP toxicity. Three cell types representing the most common routes of human exposure to NPs, including macrophage-like (THP-1), small airway epithelial and intestinal (Caco-2/HT29-MTX) cells, were exposed to TiO2 nanobelts (TiO2-NB; high toxicity) and multi-walled carbon nanotubes (MWCNT; low toxicity) at low (10 µg/mL) and high (100 µg/mL) concentrations for 1 and 24 h. Unique patterns of gene and protein expressions were identified for each cell type, with no differentially expressed (p < 0.05, 1.5-fold change) genes or proteins overlapping across all three cell types. While unique to each cell type, the early response was primarily independent of NP type, showing similar expression patterns in response to both TiO2-NB and MWCNT. The early response might, therefore, indicate a general response to insult. In contrast, the 24 h response was unique to each NP type. The most significantly (p < 0.05) enriched biological processes in THP-1 cells indicated TiO2-NB regulation of pathways associated with inflammation, apoptosis, cell cycle arrest, DNA replication stress and genomic instability, while MWCNT-regulated pathways indicated increased cell proliferation, DNA repair and anti-apoptosis. These two distinct sets of biological pathways might, therefore, underlie cellular responses to high and low NP toxicity, respectively.

| S-EPMC4226242 | biostudies-literature

Titanium dioxide nanoparticles exposure

Project description:This project utilized oligonucleotide microarrays to examine gene expression patterns in adult male fathead minnows (Pimephales promelas) exposed to a common nanomaterial, titanium dioxide (TiO2, stearate-coated particles, MT-100TV®). We exposed adult male fathead minnows for 96 hr to three doses (0, 1, and 10 mg/L nominal) of TiO2 under static renewal conditions. TiO2 is stearate coated, 15 nm particle size.

2010-12-22 | GSE17902 | GEO

Three human cell types respond to multi-walled carbon nanotubes and titanium dioxide nanobelts with cell-specific transcriptomic and proteomic expression

Project description:Three human cell types respond to multi-walled carbon nanotubes and titanium dioxide nanobelts with cell-specific transcriptomic and proteomic expression

| PRJNA179073 | ENA

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