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Metabolomics,Unknown,Transcriptomics,Genomics,Proteomics

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MRNA microarray analysis on HepG2 cells exposed to Grpahene oxide (GO) and reduced graphene oxide (rGO) Nanomaterials

ABSTRACT: In order to evaluate the identification of genes and pathways, the global gene expression profiles were assessed in response to GO and rGO on Human hepatoma (HepG2) cells. We performed whole genome DNA microarray experiments using HepG2 cells exposed to GO and rGO for 24h. We used whole genome microarrays to screen for global changed in HepG2 transcription profiles and with subsequent quantitative analysis conducted on selected genes. 24h GO and rGO exposed HepG2 cells were used for total RNA extraction and hybridization on Affymetrix microarrays.

ORGANISM(S): Homo sapiens

SUBMITTER: jinhee choi

PROVIDER: E-GEOD-50039 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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mRNA microarray analysis on HepG2 cells exposed to Grpahene oxide (GO) and reduced graphene oxide (rGO) Nanomaterials

Project description:In order to evaluate the identification of genes and pathways, the global gene expression profiles were assessed in response to GO and rGO on Human hepatoma (HepG2) cells. We performed whole genome DNA microarray experiments using HepG2 cells exposed to GO and rGO for 24h. We used whole genome microarrays to screen for global changed in HepG2 transcription profiles and with subsequent quantitative analysis conducted on selected genes.

2013-08-21 | GSE50039 | GEO

Expression data from differentiating primary culture of equine satellite cells (ESC) incubated with gamma-oryzanol (GO)

Project description:Transcriptional profiling of gamma-oryzanol-treated (24h) differentiating equine satellite cells (3rd day of differentiation) compared to control GO-untreated cells. Goal was to determine the effects of gamma-oryzanol influence on gene expression in equine satellite cells during in vitro myogenesis Two-condition experiment, GO-treated (24h) differentiating equine satellite cells (3rd day of differentiation) vs. differentiating equine satellite cells without GO treatment (control). Biological replicates: 4 reps of examined condition (Cy5), 4 control replicates (Cy3)

2016-02-22 | E-GEOD-73730 | biostudies-arrayexpress

mRNA microarray analysis on HepG2 cells exposed to amorphous Silica Nanoparticles (SiO2-NP)

Project description:In order to evaluate the identification of genes and pathways, the global gene expression profiles were assessed in response to amorphous Silica nanoparticles on Human hepatoma (HepG2) cells. We performed whole genome DNA microarray experiments using HepG2 cells exposed to for 24h. We used whole genome microarrays to screen for global changed in HepG2 transcription profiles and with subsequent quantitative analysis conducted on selected genes. 24h SiO2-NP (100 mg/L) exposed HepG2 cells were used for total RNA extraction and hybridization on Affymetrix microarrays.

2013-10-01 | E-GEOD-51276 | biostudies-arrayexpress

Antimicrobial activity of graphene oxide is associated with alteration in stress response and membrane proteins

Project description:The aim of this study was to explore the mode of action of GO, via an in-depth proteomics analysis, on the protein expression of targeted bacteria. For this purpose, samples of Staphylococcus aureus were grown in the presence of GO and samples were collected from different growth phases to examine cell viability and to analyze the changes in protein expression.

2023-01-19 | PXD036796 | Pride

mRNA microarray analysis on young adults C.elegans exposed to GO and rGO

Project description:In order to evaluate the identification of genes and pathways, the global gene expression profiles were assessed in response to GO and rGO on nematode, Caenorhabditis elegans. We performed whole genome DNA microarray experiments using age synchronized young adult C. elegans population exposed to GO and rGO for 24h. We used whole genome microarrays to screen for global changed in C. elegans transcription profiles and with subsequent quantitative analysis conducted on selected genes. Young adults of C.elegans were selected for RNA extraction and hybridization on Affymetrix microarrays.

2016-07-19 | E-GEOD-84489 | biostudies-arrayexpress

Improved Biocompatibility of Amino-functionalized Graphene Oxide in Caenorhabditis elegans

Project description:Graphene oxide (GO) holds high promise for diagnostic and therapeutic applications in nanomedicine but reportedly displays immunotoxicity, underlining the need for developing functionalized GO with improved biocompatibility. Here, we study the adverse effects of GO and amino-functionalized GO (GONH2) during Caenorhabditis elegans development and ageing upon acute or chronic exposure. Chronic GO treatment throughout the C. elegans development causes decreased fecundity and a reduction of animal size, while acute treatment does not lead to any measurable physiological decline. However, RNA-Seq data reveal that acute GO exposure induces innate immune gene expression. The p38 MAP kinase, PMK-1, which is a well-established master regulator of innate immunity, protects C. elegans from chronic GO toxicity, as pmk-1 mutants show reduced tissue-functionality and facultative vivipary. In a direct comparison, GONH2 exposure does not cause detrimental effects in the wild type or in pmk-1 mutants, and the innate immune response is considerably less pronounced. Our work establishes the enhanced biocompatibility of amino-functionalized GO in a whole-organism, emphasizing its potential as biomedical nanomaterial.

2022-05-10 | GSE131070 | GEO

Graphene Oxide Substrate Promotes Neurotrophic Factor Secretion and Survival of Human Schwann-Like Adipose Mesenchymal Stromal Cells - RNAseq

Project description:Mesenchymal stromal cells from adipose tissue (AD-MSCs) exhibit favourable clinical traits for autologous transplantation and can develop a ‘Schwann-like’ phenotype (sAD-MSCs) to improve peripheral nerve regeneration, where severe injuries yield insufficient recovery. However, sAD-MSCs regress without biochemical stimulation and detach from conduits under unfavourable transplant conditions, negating their paracrine effects. Graphene-derived materials support AD-MSC attachment, regulating cell adhesion and function through physiochemistry and topography. We report graphene oxide (GO) as a suitable substrate for human sAD-MSCs incubation towards severe peripheral nerve injuries, through evaluating transcriptome changes, neurotrophic factor expression over a 7-day period, and cell viability in apoptotic conditions. Transcriptome changes from GO incubation across four patients were minor compared to biological variance.

2021-03-08 | E-MTAB-10078 | biostudies-arrayexpress

A transcriptomic overview of lung and liver changes one day after pulmonary exposure to graphene and graphene oxide

Project description:This study investigates transcriptomic differences in the lung and liver after pulmonary exposure to two Graphene based materials with similar physical properties, but different surface chemistry. Female C57BL/6 mouse were exposed by a single intratracheal instillation of 0, 18, 54 or 162 μg/mouse of graphene oxide (GO) or reduced graphene oxide (rGO). Pulmonary and hepatic transcriptional changes were compared to identify commonly and uniquely perturbed functions and pathways by GO and rGO. These changes were then related to previously analyzed endpoints. GO exposure induced more differentially expressed genes, affected more functions, and perturbed more pathways compared to rGO, both in the lung and liver.

2020-10-21 | GSE159707 | GEO

mRNA sequencing analysis on cardiofibroblasts exposed to reduced graphene oxide (rGO) Nanomaterials

Project description:In order to evaluate the identification of genes and pathways, the global gene expression profiles were assessed in response to rGO on cardiofibroblasts (CFs) cells. We performed mRNA sequencing experiments using CFs cells exposed to rGO for 24h.

2021-07-14 | GSE179878 | GEO

MicroRNA expression data from gamma-oryzanol (GO) pre-incubated differentiating equine satellite cells exposed to hydrogen peroxide

Project description:Transcriptional profiling of GO-treated (24h) differentiating equine satellite cells (3rd day of differentiation) exposed to hydrogen peroxide (1h; last hour of pre-incubation with GO) compared to control GO-untreated cells. Goal was to determine the effects of GO pre-incubation on miRNA expression in equine satellite cells exposed to hydrogen peroxide.

2018-12-03 | GSE122580 | GEO

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