Transcriptomics

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Transcriptional responses to engineered nanoplatforms for drug delivery in primary human aortic endothelial cells.


ABSTRACT: This study evaluated transcriptional effects of nanomaterials that have been proposed for use as platforms for drug delivery. We tested SiO2 that had been surface modified to have a positive zetapotential of different geometries as well PAMAM dendrimers with different surface charges. We tested these materials on human aortic endothelial cells (HAECs) since we were interested in determining if there was a toxicogenomic response in endothelial cells that may come into contact with drug delivery nanoplatforms. The most pronounced transcriptional response resulted from the SiO2 treatement - the most prevelant responses were cell cycle, lipid metabolism and pro-inflammatory responses - with fewer responses from the PAMAM dendrimers. The lipid metabolism responses may relate to teh positive surface character as this response was not observed in the G3.5-COOH dendrimers. Indeed, the G3.5-COOH dendrimers were non-toxic and did not demonstrate any consistent transcriptional response.

ORGANISM(S): Homo sapiens

PROVIDER: GSE35142 | GEO | 2013/12/20

SECONDARY ACCESSION(S): PRJNA150707

REPOSITORIES: GEO

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