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Intestinal Salmonella Typhimurium infection leads to miR-29a induced Caveolin 2 regulation [miRNA]

ABSTRACT: The host response to S.typhimurium infections in ileum was studied after infection of piglets. mRNA and miRNA expression studies were performed to identify interactions of miRNAs and regulated mRNAs in context of mammalian intestinal Salmonella infection using a piglet model.

ORGANISM(S): Sus scrofa

PROVIDER: GSE40803 | GEO | 2013/06/25

SECONDARY ACCESSION(S): PRJNA175012

REPOSITORIES: GEO

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Intestinal Salmonella Typhimurium infection leads to miR-29a induced Caveolin 2 regulation [mRNA]

2013-06-25 | GSE40804 | GEO

Intestinal Salmonella Typhimurium infection leads to miR-29a induced Caveolin 2 regulation [miRNA]

Project description:The host response to S.typhimurium infections in ileum was studied after infection of piglets. mRNA and miRNA expression studies were performed to identify interactions of miRNAs and regulated mRNAs in context of mammalian intestinal Salmonella infection using a piglet model. Intestinal samples (~ 2 cm circle segments) were taken at time points 3h, 3d and 28d post infection from ileum of ten S.typhimurium infected piglets (S), ten S.typhimurium infected piglets and additional treated with probiotic strain E.faecium NCIMB 10415 (SP) and five healthy control piglets(C) (EUROC x Pietrain). The piglets were weaned at the age of 28 days and infected with S. typhimurium. Samples were quick-frozen in liquid nitrogen and stored at -80 M-BM-0C. In order to obtain representative measurements in each intestinal locus, three cross sections of approximately 2 mm out of the 2 cm segment of frozen intestine were examined. These 3 sections were pooled and total RNA was isolated from samples using an automated homogenizer (FastPrep Instrument, MP Biomedicals, Heidelberg, Germany) and the mirVana miRNA Isolation Kit (Applied Biosystems, Darmstadt, Germany), according to the manufacturerM-bM-^@M-^Ys protocol. The RNA quality and quantity of all samples were proven using the Agilent 2100 Bioanalyzer and the RNA 6000 Nano Kits (Agilent, Waldbronn, Germany) and the Nanodrop 1000 Spectrophotometer (Thermo Scientific, MA, USA). For microarray analysis pooled samples of each experimental group were prepared ana partes aequalis from individually isolated total RNA samples, which werde collected at the same time point in each group. Common reference was designed from equal amounts of total RNA of each pool and additional total RNA from ascending colon.

2013-06-25 | E-GEOD-40803 | biostudies-arrayexpress

Intestinal Salmonella Typhimurium infection leads to miR-29a induced Caveolin 2 regulation [mRNA]

Project description:The host response to S.typhimurium infections in ileum was studied after infection of piglets. mRNA and miRNA expression studies were performed to identify interactions of miRNAs and regulated mRNAs in context of mammalian intestinal Salmonella infection using a piglet model. Intestinal samples (~ 2 cm circle segments) were taken at time points 3h, 3d and 28d post infection from ileum of ten S.typhimurium infected piglets (S), ten S.typhimurium infected piglets and additional treated with probiotic strain E.faecium NCIMB 10415 (SP) and five healthy control piglets(C) (EUROC x Pietrain). The piglets were weaned at the age of 28 days and infected with S. typhimurium. Samples were quick-frozen in liquid nitrogen and stored at -80 M-BM-0C. In order to obtain representative measurements in each intestinal locus, three cross sections of approximately 2 mm out of the 2 cm segment of frozen intestine were examined. These 3 sections were pooled and total RNA was isolated from samples using an automated homogenizer (FastPrep Instrument, MP Biomedicals, Heidelberg, Germany) and the mirVana miRNA Isolation Kit (Applied Biosystems, Darmstadt, Germany), according to the manufacturerM-bM-^@M-^Ys protocol. The RNA quality and quantity of all samples were proven using the Agilent 2100 Bioanalyzer and the RNA 6000 Nano Kits (Agilent, Waldbronn, Germany) and the Nanodrop 1000 Spectrophotometer (Thermo Scientific, MA, USA). For microarray analysis pooled samples of each experimental group were prepared ana partes aequalis from individually isolated total RNA samples, which were collected at the same time point in each group. Common reference was designed from equal amounts of total RNA of each pool and additional total RNA from ascending colon.

2013-06-25 | E-GEOD-40804 | biostudies-arrayexpress

Intestinal Salmonella typhimurium infection leads to miR-29a induced caveolin 2 regulation.

Project description: Not available

| S-EPMC3691122 | biostudies-literature

Time course of the transcriptional response of three porcine intestinal sections to Salmonella typhimurium infection

Project description:The GeneChip Porcine Genome Array was used to identify the transcriptional response upon Salmonella typhimurium infection in three porcine intestinal sections (jejumun, ileum and colon) along a time course of 1,2 and 6 days post infection. The objetives in this study were i) characterize transcriptional changes upon S. typhimurium infection in the intestinal mucosa; ii) identify differences among porcine intestinal sections in inmune resposes against S. typhimurium; iii) identify change that could be associated to salmonellosis pathogenesis and symtomatology; and finally, iv) identify transcriptional changes that could be induced by S. typhimurium in order to get bacterial survival and successful colonization. Sixteen male and female crossbreeds weaned piglets, approximately 4 weeks of age, were used in this study. Before infection, faecal samples from each animal were analyzed to confirm that piglets were free of Salmonella. Pigs were housed in an environmentally controlled isolation facility at 25ºC and under constant light with ad libitum access to feed and water. After an acclimation period of 5 days, pigs were challenged orally with 108 cfu of Salmonella enterica serovar Typhimurium phagetype DT104 (n=12), whereas the control group (n=4) received sterile medium orally. The four non-infected control pigs were necropsied two hours prior to experimental infection. Four randomly chosen infected pigs were necropsied at 1 day post infection (dpi), 2 dpi and 6 dpi, respectively. Faecal swabs, blood and tissues samples were aseptically collected. Ileum was collected, sectioned in pieces of around 10 cm and immediately frozen in liquid nitrogen for mucosa isolation and RNA purification. To ensure the inoculated pigs were infected, faecal samples were cultured and checked for positive Salmonellae organism Four reps per treatment and tissue group except 'Ileum 1dpi' has only 3 replicates.

2012-06-19 | E-GEOD-22596 | biostudies-arrayexpress

Intestinal Salmonella Typhimurium infection leads to miR-29a induced Caveolin 2 regulation

Project description:This SuperSeries is composed of the SubSeries listed below.

2013-06-25 | GSE40805 | GEO

Intestinal Salmonella Typhimurium infection leads to miR-29a induced Caveolin 2 regulation

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

2013-06-25 | E-GEOD-40805 | biostudies-arrayexpress

Global transcriptional response of porcine intestinal epithelial cell lines to Salmonella enterica serovar Typhimurium and Choleraesuis: IPI-2I infected with S. typhimurium

Project description:The GeneChip Porcine Genome Array was used to identify the transcriptional response upon either Salmonella typhimurium (ST) or Salmonella choleraesuis (SC) infection in two porcine epithelial cell lines (IPEC-J2, from jejunum and IPI-2I, from ileum) during 2 and 4 hours post infection. The objectives in this study were first, to identify the different response between the epithelial cell lines from different gut regions; second, to study how the Salmonella serotypes used could elicit a different host response; and third, to determine the effect of the time-points on the differentially gene expression.

2013-12-20 | GSE23062 | GEO

Global transcriptional response of porcine intestinal epithelial cell lines to Salmonella enterica serovar Typhimurium and Choleraesuis: IPEC-J2 infected with S. typhimurium

2013-12-20 | GSE23059 | GEO

Expression data of ileal Peyer's patches from Salmonella Typhimurium infected pigs

Project description:This study couples a swine experimental model of non-typhoid salmonellosis to laser capture microdissection and microarray analysis to dissect the mechanisms carried out in the follicles of ileum Peyer’s Patches in response to Salmonella Typhimurium infection. Affymetrix GeneChip® Porcine genome array was used to study the gene expression profiles of Peyer's Patches grom control and infected pigs at acute phase of infection.

2017-07-15 | GSE101442 | GEO

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