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Metabolomics,Unknown,Transcriptomics,Genomics,Proteomics

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Murine Liver Cells: Control B6 males vs. little (GH-deficient) and Tfm (AR-null) males

ABSTRACT: Transcriptional profiling of mouse whole liver comparing control WT B6 mice with B6 growth hormone-deficient little, B6 androgen receptor-null Tfm mice, and STAT5b KOs normalized to WT on B6 and BALB/c backgrounds. All animals were 10-week-old males initiated with DEN. Oberley et al. Molecular carcinogenesis 2014 May 17. doi: 10.1002/mc.22165. Three-condition experiment, WT vs. little and Tfm livers. Biological replicates: 3 control replicates, 3 mutant replicates. Little and Tfm normalized to WTa, B6 STAT5b KO

ORGANISM(S): Mus musculus

SUBMITTER: Christopher Oberley

PROVIDER: E-GEOD-60253 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Murine Liver Cells: Control B6 males vs. little (GH-deficient) and Tfm (AR-null) males

Project description:Transcriptional profiling of mouse whole liver comparing control WT B6 mice with B6 growth hormone-deficient little, B6 androgen receptor-null Tfm mice, and STAT5b KOs normalized to WT on B6 and BALB/c backgrounds. All animals were 10-week-old males initiated with DEN. Oberley et al. Molecular carcinogenesis 2014 May 17. doi: 10.1002/mc.22165.

2014-08-09 | GSE60253 | GEO

Landscapes of TET1 and STAT5B binding on DNA across the entire genome in PDX2 B-ALL cells

Project description:Here we report both TET1-WT and catalytically dead mutant TET1 (TET1-MUT) directly interact with STAT5B in PDX2 B-ALL cells. To study the landscape of TET1 and STAT5B binding in whole genomic DNA and test if the STAT5B binding signal is affected by TET1, we conduct the ChIP-seq assay with flag antibody (TET1-WT, TET1-MUT) and STAT5B antibody (sgNS or sgTET1) respectively. The results showed that TET1 bound peaks overlap with STAT5B very well and the tag density of STAT5B on target genes decreases in TET1-impeded cells. We conclude that TET1 recruit STAT5B to the promoters of its target genes and further promote the target genes’ transcriptions.

2023-02-13 | GSE190852 | GEO

The Autonomous Hepatocyte Clock Controls Acetaminophen Bioactivation and Chronotoxicity [Kidney]

Project description:The diurnal variation in acetaminophen (APAP) hepatotoxicity (“chronotoxicity”) is thought to be due to oscillations in xenobiotic metabolism that are influenced by the circadian phases of feeding or fasting. Because of APAP’s relevance to human poisoning, we set out to determine the relative contributions of the central clock in the SCN and the autonomous clock in the hepatocyte in modulating the chronotoxicity of APAP. Using a conditional null allele of Mop3 (ArntL, Bmal1) we are able to delete the clock from hepatocytes while keeping the central and other peripheral clocks intact (eg, those controlling food intake). Our data from this hepatocyte-null mouse model suggests that, while the central circadian clock modulates some detoxification pathways indirectly by driving activity patterns and feeding rhythms, the autonomous hepatocyte circadian clock controls major aspects of APAP bioactivation independent of feeding rhythms, possibly through transcriptional regulation of cytochrome p450-oxidoreductase (Por). 10-20 week old Mop3fxfx mice positive or negative for Cre-recombinase driven by the albumin promoter, housed in 12 hour light:12 dark, ad lib feeding and drinking conditions were sacrificed every four hours over two separte days beginning at ZT0. A two color, reference design experiment in which kidney RNA from at least 3 mice per timepoint were pooled and labeled with Cy3 and hybridized according to Agilent protocols against a reference pool of RNA madeup from respective tissue taken from 10 week Mop3fxfx and Mop3fxfxCreAlb mice which was labeled with Cy5.

2013-08-30 | E-GEOD-34443 | biostudies-arrayexpress

The Autonomous Hepatocyte Clock Controls Acetaminophen Bioactivation and Chronotoxicity [Liver]

Project description:The diurnal variation in acetaminophen (APAP) hepatotoxicity (“chronotoxicity”) is thought to be due to oscillations in xenobiotic metabolism that are influenced by the circadian phases of feeding or fasting. Because of APAP’s relevance to human poisoning, we set out to determine the relative contributions of the central clock in the SCN and the autonomous clock in the hepatocyte in modulating the chronotoxicity of APAP. Using a conditional null allele of Mop3 (ArntL, Bmal1) we are able to delete the clock from hepatocytes while keeping the central and other peripheral clocks intact (eg, those controlling food intake). Our data from this hepatocyte-null mouse model suggests that, while the central circadian clock modulates some detoxification pathways indirectly by driving activity patterns and feeding rhythms, the autonomous hepatocyte circadian clock controls major aspects of APAP bioactivation independent of feeding rhythms. 10-20 week old Mop3fxfx mice positive or negative for Cre-recombinase driven by the albumin promoter, housed in 12 hour light:12 dark, ad lib feeding and drinking conditions were sacrificed every four hours over two separte days beginning at ZT0. A two color, reference design experiment in which liver RNA from at least 3 mice per timepoint were pooled and labeled with Cy3 and hybridized according to Agilent protocols against a reference pool of RNA madeup from respective tissue taken from 10 week Mop3fxfx and Mop3fxfxCreAlb mice which was labeled with Cy5.

2013-08-30 | E-GEOD-34442 | biostudies-arrayexpress

The Autonomous Hepatocyte Clock Controls Acetaminophen Bioactivation and Chronotoxicity

Project description:This SuperSeries is composed of the SubSeries listed below. Refer to individual Series

2013-08-30 | E-GEOD-34444 | biostudies-arrayexpress

Sex-dependent and STAT5b-dependent Liver Gene Expression

2006-07-26 | GSE5072 | GEO

Gene Expression in the Lrrc10 knockout heart

Project description:LRRC10 is a heart-specific gene required for proper cardiac function. The effects of Lrrc10 deletion on gene expression in the adult mouse heart was investigated. Lrrc10 knockout mice or wildtype controls, housed in 12 hour light:12 dark, ad lib feeding and drinking conditions were sacrificed at two months of age for cardiac gene expression analysis. A two color, reference design experiment in which heart RNA from 2 Lrrc10 knockout mice was pooled and labeled with Cy5 and hybridized according to Agilent protocols against a reference pool of RNA madeup from respective tissue taken from 2 month wildtype mice which was labeled with Cy3.

2012-03-15 | E-GEOD-36508 | biostudies-arrayexpress

Gene expression in the embryonic Lrrc10 knockout heart

Project description:LRRC10 is a heart-specific gene required for proper cardiac function. The effects of Lrrc10 deletion on gene expression in the embryonic mouse heart was investigated. Pregnant heterozygous Lrrc10 knockout mice (Lrrc10+/-) mated to male heterozygous knockouts (Lrrc10+/-), housed in 12 hour light:12 dark, ad lib feeding and drinking conditions, were sacrificed at embryonic day 15.5 (E15.5) and embryonic hearts were dissected for cardiac gene expression analysis. A two color, reference design experiment in which heart RNA from 2 Lrrc10 homozygous knockout embryos (Lrrc10-/-) were pooled and labeled with Cy5 and hybridized according to Agilent protocols against a reference pool of RNA madeup from respective tissue taken from littermate E15.5 wildtype (Lrrc10+/+) hearts and labeled with Cy3.

2012-11-15 | E-GEOD-40600 | biostudies-arrayexpress

Sex-dependent and STAT5b-dependent Liver Gene Expression

Project description:A series of dual-channel gene expression profiles obtained using Rosetta/Merck Mouse TOE 75k microarrays was used to examine the sex-dependent and STAT5b-dependent differences in gene expression in adult mouse liver. This series is comprised of 4 pools of 3 randomly chosen independent wildtype male and female mouse liver cDNA samples and 4 pools of 3 randomly chosen independent STAT5b-deficient male and female mouse liver cDNA samples, totaling 16 pools. The pools were paired randomly to generate 4 comparisons of M-WT:F-WT, M-WT:M-KO, F-KO:F-WT, and F-KO:M-KO. Comparison of the set of sex-dependent genes with the set of genes responsive to the loss of STAT5b in males shows that 75% of the sex-specific genes were also regulated by STAT5b in males. Only 20% of the sex-specific genes retained sex-specificity in the absence of STAT5b, indicating a large role for STAT5b in sex-specific liver gene expression. A pool of cDNA from 3 mice is Cy3-labeled and compared to another pool of cDNA from 3 mice that is Cy5-labeled. The pools are then dye-swapped and compared again. The two pairs of data are averaged together, the averages are normalized across the fluorescent reverse pairings, and the log2 value is reported for each average as well as the anti-log. This is replicated 3 times with independent pools of cDNA for each pair of conditions being compared. There are a total of 4 pairs of conditions compared for a grand total of 12 samples.

2010-07-01 | E-GEOD-5072 | biostudies-arrayexpress

Expression profiling of isolated populations of prepachytene spermatocytes, pachytene spermatocytes and spermatids of PWD and B6 males

Project description:Expression profiling of isolated populations of prepachytene spermatocytes (LP), pachytene spermatocytes (RP) and spermatids (ST) from PWD and B6 was performed to study the genome wide variation in gene expression between two mouse subspecies. To evaluate the transcriptional difference between B6 and PWD in during meiosis, we compared their transcriptomes in sorted populations of pre-pachytene primary spermatocytes (Leptonema, Zygotene and Pachytene), pachytene spermatocytes (Mid-late pachytene and diplotene) and spermatids.

2014-06-01 | GSE49444 | GEO

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