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The Warburg effect alters histone acetylation in cancer cells by influencing the utilization of HDAC and HAT mechanisms.

ABSTRACT: Microarray transcriptome analysis of siMock and siACL HCT116 cells treated with 0, 0.5, 2.0, and 5.0 mM butyrate over three days. Gene expression is measured at control cells (siMock) and ACL-depleted (siACL) cells with 4 dosages (0, 0.5, 2.0, and 5.0 mM) of butyrate treatments

ORGANISM(S): Homo sapiens

SUBMITTER: Dallas Donohoe

PROVIDER: E-GEOD-41113 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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The Warburg effect alters histone acetylation in cancer cells by influencing the utilization of HDAC and HAT mechanisms.

Project description:Microarray transcriptome analysis of siMock and siACL HCT116 cells treated with 0, 0.5, 2.0, and 5.0 mM butyrate over three days.

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Project description:We performed global scale microarray analysis to identify detailed mechanisms by which sodium butyrate (SB) induce cell growth arrest and differentiation of colonic epithelial cells by using an Affymetrix GeneChip system. Colonic epithelial MCE301 cells used in this study were derived from transgenic mice harboring a tsSV40 large T-antigen. Arrested cell growth and a differentiated phenotype accompanying elevations of alkaline phosphatase activity and histone acetylation were observed in the cells treated with 2 mM SB. Of the 22,690 probe sets analyzed, approximately 2,000 genes were down- and up-regulated by a factor of 2.0 or greater in the cells treated with SB. Keywords: sodium butyrate, gene expression, colonic epithelial cell

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urea-Urea impact on the nitrogen metabolism of plant and on the nitrogen transport systems

Project description:ra05-09_urea - urea - What are the transcriptomic plant responses to urea nitrogen supply ? - Columbia Arabidopsis ecotype were grown hydroponically on 0.5 mM NH4NO3 as sole nitrogen source during 35 days under short days. Plants were then placed on 3 nutrient solutions supplemented, either with 1 mM NH4NO3, or with 0.5 mM NH4NO3 + 0.5 mM Urea, or with 1 mM Urea. Root and shoot samples were harvested separately 7 days after these different nitrogen treatments Keywords: treated vs untreated comparison

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Global gene expression of Ruegeria pomeroyi DSS-3 during ammonium-limited, ribose phosphate-, methylphosphonate-, or potassium phosphate-excess growth regimes or during potassium phosphate-limited, ammonium-excess regime

Project description:We used the previously designed oligonucleotide microarrays (Bürgmann et al., 2007, Environmental Microbiology, 9: 2742-2755) to detect the mRNA transcripts of R. pomeroyi DSS-3 when the cells were cultured under steady-state conditions limited with ammonium (NH4Cl, 0.26 mM) but with an excess of D-ribose-5-phosphate (C5H9Na2O8P*2H2O, 0.5 mM), methylphosphonic acid (CH5PO3, 0.5 mM), or potassium phosphate (KH2PO4, 0.5 mM), or during ammonium excess (NH4Cl, 2.8 mM) but were limited with potassium phosphate (KH2PO4, 9.2 μM).

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H1 hESC Exposed to Butyrate

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Transcription profiling of human H1 hESC exposed to butyrate

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2009-03-15 | E-GEOD-15110 | biostudies-arrayexpress

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