Project description:Our transcriptome data shows that the two-component system CesSR, which senses cell envelope stresses of different origins, is one of the major players when L. lactis is forced to overproduce the endogenous membrane protein BcaP, a branched-chain amino acid permease. Two-condition experiment: nisin induced overproduction of BcaP vs. control. Biological replicates: 2 controls, 2 overproduction cultures; independently grown and harvested; dye swaped on the second array.

2011-07-19 | E-GEOD-30776 | biostudies-arrayexpress

Gene expression analysis of MCF12A human breast cultures exposed to ethanol or acetaldehyde [miRNA]

Project description:MCF12A monolayer cultures were exposed to ethanol or acetaldehyde for eiher 1 week or 4 weeks Total RNA samples were assayed for gene expression and for microRNA expression. MicroRNA expression was accomplished using 2 experiments. The first experiment included untreated control, ethanol treated (4 weeks at 2.5 mM) and acetaldehyde treated (4 weeks at 1 mM). The data are presented in order of control1 for the ethanol and acetaldehyde treated samples followed by the ethanol and acetaldehyde treated samples, and then the control2 for the soft agar selected sample followed by the soft agar selected sample. The microRNA names are included in separate columns.

2017-02-10 | GSE76952 | GEO

L. lactis NZ9000 (pNZbcaP-H6) Vs. L. lactis NZ9000 (pNZ8048)

2011-07-20 | GSE30776 | GEO

Vector Control vs SNAIL vs SNAIL/FBXO11

Project description:Vector Control vs SNAIL vs SNAIL/FBXO11

| PRJNA219288 | ENA

Threonine concentration effect on L. lactis growth

Project description:L. lactis was grown in steady-state cultures at specific growth rate 0.2 h-1. The concentration of L-threonine in the growth environment was smoothly increased from 1.24mM to 4mM and proteome measurements were carried out to detect proteins involved in threonine metabolism.

2015-03-19 | PXD001602 | Pride

Gene expression analysis of MCF12A human breast cultures exposed to ethanol or acetaldehyde [4 weeks]

Project description:Alcoholism is associated with breast cancer incidence and progression, and moderate chronic consumption of ethanol is a risk factor. The mechanisms involved in alcohol's oncogenic effects are unknown, but it has been speculated that they may be mediated by acetaldehyde. Here, we use the immortalized normal human epithelial breast cell line MCF-12A to determine whether short- or long-term exposure to ethanol or to acetaldehyde, using in vivo compatible ethanol concentrations, induces their oncogenic transformation and/or the acquisition of epithelial mesenchymal transition (EMT). Cultures of MCF-12A cells were incubated with 25 mM ethanol or 2.5 mM acetaldehyde for 1 week, or with lower concentrations (1.0-2.5 mM for ethanol, 1.0 mM for acetaldehyde) for 4 weeks. In the 4 wk incubation, cells were also tested for anchorage independence, including isolation of soft agar selected cells (SASC) from the 2.5 mM ethanol incubations. Cells were analyzed by immuno-cytofluorescence, flow cytometry, western blotting, DNA microarrays, RT/PCR, and assays for miRs. We found that short-term exposure to ethanol, but not, in general, to acetaldehyde, was associated with transcriptional upregulation of the metallothionein family genes, alcohol metabolism genes, and genes suggesting the initiation of EMT, but without related phenotypic changes. Long-term exposure to the lower concentrations of ethanol or acetaldehyde induced frank EMT changes in the monolayer cultures and in SASC as demonstrated by changes in cellular phenotype and mRNA expression. This suggests that low concentrations of ethanol, with little or no mediation by acetaldehyde, induce EMT and some traits of oncogenic transformation such as anchorage independence in normal breast epithelial cells. MCF12A monolayer cultures were exposed to ethanol or acetaldehyde for either 1 week or 4 weeks. Total RNA samples were assayed for gene expression and for microRNA expression.

2017-02-10 | GSE76951 | GEO

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