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Expression data from mouse livers lacking NF-kappaB RelA (p65) during pneumonia

ABSTRACT: A common response to physiological duress is the hepatic acute phase response, a process during which the expression of many genes is altered in the liver. Amongst these transcripts are those encoding acute phase proteins, defined as circulating proteins with significantly changed concentrations during an acute phase response. The goal of this study was to determine the influence of NF-kappaB RelA (p65) on hepatic gene changes including but not limited to acute phase proteins during bacterial pneumonia. Using the Cre-LoxP system, mice were generated with functional deletion of NF-kappaB RelA (p65) in hepatocytes. In mutant mice, Cre-recombinase was expressed under transcriptional control of an albumin promoter in the presence of homozygous floxed alleles for RelA. Wild-type control mice lacked the Cre-recombinase transgene. Microarray analysis was performed on liver RNA collected from both genotypes of mice in the absence and presence of pneumococcal pneumonia.

ORGANISM(S): Mus musculus

PROVIDER: GSE35513 | GEO | 2012/02/16

SECONDARY ACCESSION(S): PRJNA156107

REPOSITORIES: GEO

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Expression data from mouse livers lacking NF-kappaB RelA (p65) during pneumonia

Project description:A common response to physiological duress is the hepatic acute phase response, a process during which the expression of many genes is altered in the liver. Amongst these transcripts are those encoding acute phase proteins, defined as circulating proteins with significantly changed concentrations during an acute phase response. The goal of this study was to determine the influence of NF-kappaB RelA (p65) on hepatic gene changes including but not limited to acute phase proteins during bacterial pneumonia. Using the Cre-LoxP system, mice were generated with functional deletion of NF-kappaB RelA (p65) in hepatocytes. In mutant mice, Cre-recombinase was expressed under transcriptional control of an albumin promoter in the presence of homozygous floxed alleles for RelA. Wild-type control mice lacked the Cre-recombinase transgene. Microarray analysis was performed on liver RNA collected from both genotypes of mice in the absence and presence of pneumococcal pneumonia. RNA from 2 separate groups of mice (3 mice per group) was analyzed: 1) Control mice infected intratracheally for 24h with 10^6 CFU of Streptococcus pneumoniae (serotype 3); and 2) Mutant mice infected intratracheally for 24h with 10^6 CFU of Streptococcus pneumoniae (serotype 3).

2012-02-16 | E-GEOD-35513 | biostudies-arrayexpress

Expression data from mouse livers lacking STAT3 and RelA during pneumonia

Project description:A common response to physiological duress is the hepatic acute phase response, a process during which the expression of many genes is altered in the liver. Amongst these transcripts are those encoding acute phase proteins, defined as circulating proteins with significantly changed concentrations during an acute phase response. The goal of this study was to determine the influence of two transcription factors, STAT3 and NF-kappaB p65 (RelA), on hepatic gene changes including but not limited to acute phase proteins during bacterial pneumonia. Using the Cre-LoxP system, mice were generated with combined functional deletions of both STAT3 and RelA in hepatocytes. In mutant mice, Cre-recombinase was expressed under transcriptional control of an albumin promoter in the presence of homozygous floxed alleles for both STAT3 and RelA. Wild-type control mice lacked the Cre-recombinase transgene. Microarray analysis was performed on liver RNA collected from both genotypes of mice in the absence and presence of pneumococcal pneumonia.

2012-02-16 | GSE32105 | GEO

Expression data from mouse livers lacking STAT3 and RelA during pneumonia

Project description:A common response to physiological duress is the hepatic acute phase response, a process during which the expression of many genes is altered in the liver. Amongst these transcripts are those encoding acute phase proteins, defined as circulating proteins with significantly changed concentrations during an acute phase response. The goal of this study was to determine the influence of two transcription factors, STAT3 and NF-kappaB p65 (RelA), on hepatic gene changes including but not limited to acute phase proteins during bacterial pneumonia. Using the Cre-LoxP system, mice were generated with combined functional deletions of both STAT3 and RelA in hepatocytes. In mutant mice, Cre-recombinase was expressed under transcriptional control of an albumin promoter in the presence of homozygous floxed alleles for both STAT3 and RelA. Wild-type control mice lacked the Cre-recombinase transgene. Microarray analysis was performed on liver RNA collected from both genotypes of mice in the absence and presence of pneumococcal pneumonia. RNA from 4 separate groups of mice (3 mice per group) was analyzed: 1) Uninfected wild-type control mice; 2) Uninfected mutant mice lacking liver STAT3 and RelA; 3) Control mice infected intratracheally for 24h with 10^6 CFU of Streptococcus pneumoniae (serotype 3); and 4) Mutant mice infected intratracheally for 24h with 10^6 CFU of Streptococcus pneumoniae (serotype 3).

2012-02-16 | E-GEOD-32105 | biostudies-arrayexpress

Mouse livers during pneumonia

Project description:This SuperSeries is composed of the following subset Series: GSE32105: Expression data from mouse livers lacking STAT3 and RelA during pneumonia GSE35513: Expression data from mouse livers lacking NF-kappaB RelA (p65) during pneumonia GSE35514: Expression data from mouse livers lacking STAT3 during pneumonia GSE35515: Expression data from mouse livers expressing or lacking Cre recombinase during pneumonia Refer to individual Series

2012-02-16 | E-GEOD-35516 | biostudies-arrayexpress

Mouse livers lacking NF-kappaB RelA (p65) during bacteremia

Project description:Using a mouse model with hepatocyte-specific deletion of transcription factor NF-κB RelA (p65), our group has previously revealed the important role of RelA in inducing the acute phase response, maintaining host defense, and preventing liver injury during sepsis. To goal of this study was determine the influence of RelA on hepatic gene changes that provide liver protection during infection. Mice were generated with functional deletion of NF-kappaB RelA (p56) in hepatocytes using a Cre-LoxP system. Mutant mice expressed Cre-recombinase under the transcriptional control of an albumin promotor and homozygous floxed RelA alleles. Wild type control mice lack the Cre-recombinase. Microarray analysis was performed on liver RNA collected from both genotypes of mice in the absence and presence of pneumococcal bacteremia.

2019-06-07 | GSE126642 | GEO

Expression data from mouse livers lacking STAT3 during pneumonia

2012-02-16 | GSE35514 | GEO

Mus musculus

Project description:Expression data from mouse livers lacking NF-kappaB RelA (p65) during pneumonia

| PRJNA156107 | ENA

The RelA T505A mouse reveals important NF-kappaB regulatory pathways controlling cell proliferation, apoptosis and lymphomagenesis

Project description:Phosphorylation of the RelA(p65) Thr505 residue by Chk1 provides a mechanism of crosstalk between NF-kappaB signalling and DNA replication stress but its physiological significance was not known. Therefore, to learn more about the role of this pathway in vivo, we generated a knockin mouse with a RelA T505A mutation. Unlike RelA knockout mice, the RelA T505A mice develop normally but exhibit a variety of aberrant responses to stress. Following partial hepatectomy, livers from RelA T505A mice proliferate more rapidly. Moreover, in the Emu-Myc B-cell lymphoma model, tumorigenesis is more rapid and mice succumb to disease at significantly earlier times. Analysis of embryonic fibroblasts from RelA T505A mice challenged with a range of DNA damaging agents revealed loss of pro-apoptotic RelA functions, at least in part due to DUSP1 dependent regulation of p38 MAP kinase activity. This data reveals a critical pathway controlling NF-kappaB function that acts to suppress tumour-promoting activities of RelA.

2015-11-30 | E-MTAB-2686 | biostudies-arrayexpress

Expression data from mouse livers lacking STAT3 during pneumonia

Project description:A common response to physiological duress is the hepatic acute phase response, a process during which the expression of many genes is altered in the liver. Amongst these transcripts are those encoding acute phase proteins, defined as circulating proteins with significantly changed concentrations during an acute phase response. The goal of this study was to determine the influence of STAT3 on hepatic gene changes including but not limited to acute phase proteins during bacterial pneumonia. Using the Cre-LoxP system, mice were generated with functional deletion of STAT3 in hepatocytes. In mutant mice, Cre-recombinase was expressed under transcriptional control of an albumin promoter in the presence of homozygous floxed alleles for STAT3. Wild-type control mice lacked the Cre-recombinase transgene. Microarray analysis was performed on liver RNA collected from both genotypes of mice in the absence and presence of pneumococcal pneumonia. RNA from 2 separate groups of mice (3 mice per group) was analyzed: 1) Control mice infected intratracheally for 24h with 10^6 CFU of Streptococcus pneumoniae (serotype 3); and 2) Mutant mice infected intratracheally for 24h with 10^6 CFU of Streptococcus pneumoniae (serotype 3).

2012-02-16 | E-GEOD-35514 | biostudies-arrayexpress

p65-HaloTag copurifying proteins in human 293T cells

Project description:In effort to develop methodology for targeted top down mass spectrometry of NF kappa B p65 from human cells, we evaluated the utility of HaloTag for purification and analysis of recombinant protein. During our study, two datasets of bottom up LC-MS/MS were generated: one from in-gel digestion of the predominant band following p65-HaloTag purification, another from in-solution digestion of all the proteins present in a p65-HaloTag purification. p65-HaloTag copurifying proteins identified in our datasets include the known interactors c-Rel, NF-kappaB p105, NF-kappaB p100, and NF-kappaB inhibitor beta. Over 100 proteins were identified by at least two peptides using a Mascot ion cut-off score of 30.

2018-10-19 | PXD001932 | Pride

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