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Genome-wide expression profile of the Tet-On HCT116 inducible cell line that express either the human HNF4α2 or HNF4α8 under control of Doxycycline (DOX) [RNAseq]

ABSTRACT: Purpose: Aim of the study is to identify functional differences between the P1 and P2-HNF4α isoforms. To do this, we generated Tet-On inducible lines that express either the human (P1) HNF4α2 or (P2) HNF4α8 under control of DOX in the HCT116 human colon cancer cells. Methods: HNF4α2 and Parental lines were induced with 0.3 μg/mL DOX, while HNF4α8 line was induced with either 0.1 or 0.3 μg/mL DOX for 24 hours. Samples were generated by deep sequencing, using the Illumina TruSeq RNA. Result: There were common and unique dysregulated genes identified in the HNF4α2 and HNF4α8 lines (+DOX); more upregulated genes than downregulated genes in both the lines. Conclusion: The functional difference between HNF4α2 and HNF4α8 is that the latter tends to upregulate genes involved in proliferation and anti-apoptosis while HNF4α2 upregulates genes involved in growth suppression and cell death.

ORGANISM(S): Homo sapiens

PROVIDER: GSE62889 | GEO | 2015/08/28

SECONDARY ACCESSION(S): PRJNA265990

REPOSITORIES: GEO

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Genome-wide expression profile of the Tet-On HCT116 inducible cell line that express either the human HNF4α2 or HNF4α8 under control of Doxycycline (DOX) [RNAseq]

Project description:Purpose: Aim of the study is to identify functional differences between the P1 and P2-HNF4α isoforms. To do this, we generated Tet-On inducible lines that express either the human (P1) HNF4α2 or (P2) HNF4α8 under control of DOX in the HCT116 human colon cancer cells. Methods: HNF4α2 and Parental lines were induced with 0.3 μg/mL DOX, while HNF4α8 line was induced with either 0.1 or 0.3 μg/mL DOX for 24 hours. Samples were generated by deep sequencing, using the Illumina TruSeq RNA. Result: There were common and unique dysregulated genes identified in the HNF4α2 and HNF4α8 lines (+DOX); more upregulated genes than downregulated genes in both the lines. Conclusion: The functional difference between HNF4α2 and HNF4α8 is that the latter tends to upregulate genes involved in proliferation and anti-apoptosis while HNF4α2 upregulates genes involved in growth suppression and cell death. Tet-On inducible HCT116 cell (Parental, HNF4α2, and HNF4α8) lines, treated with (0.0, 0.1, or 0.3 μg/mL) DOX for 24 hours, were 50bp pair-ended sequenced in triplicate using Illumina TruSeq RNA Sample Prep v2 Kit.

2015-08-28 | E-GEOD-62889 | biostudies-arrayexpress

HNF4α and TCF4 (TCF7L2) ChIPseq in Tet-On HCT116 inducible cell lines that express either the human HNF4α2 or HNF4α8 under the control of doxycycline (DOX) [ChIP-Seq]

Project description:Purpose: Aim of the study is to determine how many of the dysregulated genes in the RNAseq are direct targets of (P1) HNF4α2 and (P2) HNF4α8 and examine HNF4α and TCF4 binding in vivo. We performed ChIPseq on TCF4 in the absense or presence of DOX in the Tet-On inducible HCT116 HNF4α2 and HNF4α8 lines, and ChIPseq for HNF4α (a445 Ab) in the presence of DOX. Methods: HNF4α2 and HNF4α8 lines were induced with 0.3 μg/mL DOX for 24 hours. Samples were generated by deep sequencing, using the NEXTflex ChIPseq. Result: There were more HNF4α2 peaks than HNF4α8 peaks, with some common peaks bound by HNF4α2 and HNF4α8. Binding patterns were observed between HNF4α and TCF4. Conclusion: HNF4α2 can displace TCF4 better than HNF4α8 on AP-1 bound sites. Tet-On inducible HCT116 cell (HNF4α2 and HNF4α8) lines, treated with (0.3 μg/mL) or without DOX for 24 hours, were 50bp single-end sequenced using Illumina-compatible-NEXTflex ChIP kit (Bioo Scientific).

2015-08-28 | E-GEOD-62890 | biostudies-arrayexpress

HNF4α and TCF4 (TCF7L2) ChIPseq in Tet-On HCT116 inducible cell lines that express either the human HNF4α2 or HNF4α8 under the control of doxycycline (DOX) [ChIP-Seq]

2015-08-28 | GSE62890 | GEO

RNA-seq analysis of transcriptome changes upon Erk knockout, or Mek inhibition in WT and Erk KO ESCs.

Project description:RNA-seq were performed with six samples, WT KH2 ESCs treated with or without PD0325901 for 48 hours (KH2_PD and KH2, respectively), iErk1; Erk KO ESCs cultured in the presence Dox (P0), 48 and 96 hours after Dox withdrawal (P1 and P2, respectively), and iErk1; Erk KO ESCs cultured without Dox for 96 hours, and treated with PD0325901 in the last 48 hours (P2_PD). iErk1; Erk KO ESCs cultured without Dox does not express Erk, thus mimicking Erk KO.

2015-09-29 | GSE70304 | GEO

ib101206 - proteome data analysis

Project description:P2 is a spontaneous mutant selected from P1, an entomopathogenic fungus Beauveria bassiana that hyper-produces extracellular protease(s), compared to P1. The major expressed serine protease, called SBP, is shown to be up-regulated at the transcriptional level in the P2 mutant strain. The insecticidal potential of P1 and P2 strains was evaluated against Tuta absoluta larvae under laboratory conditions. Both strains are effective but P2 showed stronger effect than P1. Median lethal concentration (LC50) of P2 is 26 fold lower than that of P1. Median lethal times (LT50) of P1 and P2 are 4.38 and 0.84 days using 105 conidia ml-1. Enzymatic assays analysis showed that extracellular enzymes are differently expressed by the two strains, especially proteases and chitinases. Two-dimensional gel electrophoresis and mass spectrometry analysis confirmed the overexpression by P2 strain of protease and chitinase and revealed further the over-expression of several protease isoforms. Here we show a direct link between fungal enzymatic profile and insect’s pathogenesis, giving a molecular explanation for the insecticidal potential of B. bassiana fungus.

2018-03-19 | PXD003287 | Pride

RNA-seq analysis of doxycycline-regulated gene expression in Aspergillus fumigatus cells containing a dox off-ffmA fusion gene.

Project description:To determine the genes responsive to FfmA in A. fumigatus, a doxycycline-repressible (dox off) gene fusion to the ffmA coding sequence was constructed. This strain was designated SPF182. These cells were grown for 16 hours in the absence of doxycycline and then shifted into medium containing doxycycline (+dox) or untreated (-dox). After 8 additional hours, the cells were harvested and total RNA prepared. Wild-type cells were grown in parallel as a control in -dox medium.

2023-07-26 | GSE229912 | GEO

Developmentally regulated isoform of HNF4α reprograms the adult liver

Project description:Hepatocyte Nuclear Factor 4α (HNF4α), master regulator of hepatocyte differentiation, is regulated by two promoters (P1 and P2). P1-HNF4α but not P2-HNF4α is expressed in normal adult liver in fed conditions. Both P1- and P2-HNF4α are expressed in fetal liver. P2-HNF4α expression is increased in fasted conditions, high fat diet, alcoholic liver and liver cancer. To determine the target genes of the P1- and P2-HNF4α isoforms, we compared P2-HNF4α-expressing exon swap mice (a7HMZ) to wildtype (WT) male mice. Liver ChIP-seq samples were taken at 10:30 AM (ZT 3.5)

2023-05-10 | GSE231538 | GEO

Differential Genomic Effects of Six Different Nanomaterials on Human Liver HepG2 Cells

Project description:Human Hepatocellular Carcinoma cells (HepG2) were exposed to six nanomaterials containing either Cerium oxide (CeO2) or Titanium oxide (TiO2) nanoparticles. Three different concentrations were tested: 0.3, 3, or 30 μg/mL) for 3 days. Microarray analysis was performed to identify genes differentially expressed following exposure to these chemicals.

2018-08-28 | GSE117056 | GEO

Genome-wide tongue epithelia transcriptomic profiles from K14-rtTA;TRE-FLBmi-1 (KrTB) and KrTB+Doxycycline (KrTB+DOX).

Project description:We developed a transgenic mouse model (truncated K14-rtTA; TRE/Bmi1, KrTB) containing a doxycycline- (dox) controlled, Tet-responsive element system to selectively overexpress Bmi1 only in the basal epithelial SCs of the tongue. Here, we used this model to assess Bmi1 actions in tongue epithelia. Genome-wide transcriptomics revealed increased levels of transcripts involved in the cellular response to hypoxia in Bmi1-overexpressing (KrTB+DOX) mice.

2024-08-16 | GSE241153 | GEO

Developmentally regulated isoform of HNF4α reprograms the adult liver

Project description:Hepatocyte Nuclear Factor 4α (HNF4α), master regulator of hepatocyte differentiation, is regulated by two promoters (P1 and P2). P1-HNF4α but not P2-HNF4α is expressed in normal adult liver while both P1- and P2-HNF4α are expressed in fetal liver and liver cancer. To determine the physiological function of the HNF4α isoforms, we compared P2-HNF4α-expressing exon swap mice to wildtype (WT) using RNA-seq, ChIP-seq, proteomics, protein binding microarrays (PBMs) and metabolomics. P2-HNF4α orchestrates a distinct transcriptomic and metabolomic profile.

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