Comparison of the Global Gene Expression Profiles in the IFNT treatment bovine cells
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ABSTRACT:
ORGANISM(S): Bos taurus
SUBMITTER: Noriyuki Toji
PROVIDER: E-GEOD-84452 | biostudies-arrayexpress |
REPOSITORIES: biostudies-arrayexpress
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Project description:To examine the difference of the bovine cells between PBS and IFNT treatment, gene expression profiles were compared. The expressions of 902 genes were significantly higher in granulocytes with IFNT treament than those PBS treatment, whereas 1810 genes were lower (Fold change<1, P=0.05 or lower). The expressions of 555 genes were significantly higher in Bovine Endometrial Stromal cells (BES) with IFNT treatment than those PBS treatment, whereas 874 genes were lower (Fold change<1, P=0.05 or Low)
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Project description:The endometrium plays a crucial role in the reproductive organs in the aspect of embryo-maternal communication and pregnancy. This study investigated transcriptome profiles of endometrial cells stimulated with PBS, LPA and LPA in combination with IFNt. LPA, one of the signaling molecule, is locally produced and released from the bovine endometrium during estrous cycle and early pregnancy. The highest concentration of LPA and expression of its active receptor (LPAR1) were detected in bovine endometrium at the time of maternal recognition of pregnancy, when the conceptus announces its presence by increased IFNt production. Using transcriptomic approach we compared the influence of LPA and LPA together with IFNt on the gene expression profiles in bovine endometrial cells. A total of nine normally cycling Holstein/Polish Black and White (75/25% respectively) cows were used in this study. Global transcriptional profiling was performed using co-cultured stromal and epithelial cells (ratio - 3:1) isolated from bovine endometrium. Three experimental conditions (control (PBS), LPA and LPA plus IFNt) with three replicates per condition were prepared. Total RNAs were extracted from 9 pooled samples (n=3 for each sample) amplified and hybridized onto Affymetrix microarrays.
2014-01-10 | E-GEOD-53457 | biostudies-arrayexpress
Project description:Treatment of healthy donors with G-CSF and dexamethasone, results in sufficient number of circulating granulocytes to prepare granulocyte concentrates for clinical purposes. Granulocytes obtained this way demonstrate relatively normal functional behavior combined with a prolonged life span. To study the influence of mobilizing agents on granulocytes, we used oligonucleotide microarrays to identify genes that are differentially expressed in mobilized granulocytes as compared to control ones. Keywords: mobilized granulocytes, G-CSF/dexamethasone treated granulocytes Granulocytes were isolated from three individuals before (control situation) and 18 hours after treatment with G-CSF&dexamethasone; part of the control cells was cultured overnight in HBSS medium with or without addition of G-CSF and dexamethasone. Total RNA from each experimental condition was compared to pooled RNA of control granulocytes.
2010-04-03 | E-GEOD-12841 | biostudies-arrayexpress
Project description:Interferon tau (IFNT), a Type I IFN similar to alpha IFNs (IFNA), is the pregnancy recognition signal, produced by the ruminant conceptus. To elucidate specific effects of bovine IFNT and of other conceptus-derived factors, endometrial gene expression changes during early pregnancy were compared to gene expression changes after intrauterine application of human IFNA2. In study one, endometrial tissue samples were obtained on days (D) 12, 15, and 18 post-mating from nonpregnant or pregnant heifers. In study two, heifers were treated from D14 to D16 of the estrous cycle with an intrauterine device releasing IFNA2 or placebo lipid extrudates or PBS only as controls. Endometrial biopsies were collected after flushing the uterus. All samples from both experiments were analyzed with an Affymetrix Bovine Genome Array. Study one revealed differential gene expression between pregnant and nonpregnant endometria on D15 and D18. In study two, IFNA2 treatment resulted in differential gene expression in the bovine endometrium. Comparison of the datasets from both studies identified genes that were differentially expressed in response to IFNA2 but not in response to pregnancy on D15 or D18. Vice versa, genes were found as differentially expressed during pregnancy but not after IFNA2 treatment. In study three, spatiotemporal alterations in expression of selected genes were determined in uteri from nonpregnant and early pregnant heifers using in situ hybridization. The findings of this study suggest differential effects of bovine IFNT compared to human IFNA2 and that some pregnancy-specific changes in the endometrium are elicited by conceptus-derived factors other than IFNT.
2011-10-31 | GSE30694 | GEO
Project description:Interferon tau (IFNT), a Type I IFN similar to alpha IFNs (IFNA), is the pregnancy recognition signal, produced by the ruminant conceptus. To elucidate specific effects of bovine IFNT and of other conceptus-derived factors, endometrial gene expression changes during early pregnancy were compared to gene expression changes after intrauterine application of human IFNA2. In study one, endometrial tissue samples were obtained on days (D) 12, 15, and 18 post-mating from nonpregnant or pregnant heifers. In study two, heifers were treated from D14 to D16 of the estrous cycle with an intrauterine device releasing IFNA2 or placebo lipid extrudates or PBS only as controls. Endometrial biopsies were collected after flushing the uterus. All samples from both experiments were analyzed with an Affymetrix Bovine Genome Array. Study one revealed differential gene expression between pregnant and nonpregnant endometria on D15 and D18. In study two, IFNA2 treatment resulted in differential gene expression in the bovine endometrium. Comparison of the datasets from both studies identified genes that were differentially expressed in response to IFNA2 but not in response to pregnancy on D15 or D18. Vice versa, genes were found as differentially expressed during pregnancy but not after IFNA2 treatment. In study three, spatiotemporal alterations in expression of selected genes were determined in uteri from nonpregnant and early pregnant heifers using in situ hybridization. The findings of this study suggest differential effects of bovine IFNT compared to human IFNA2 and that some pregnancy-specific changes in the endometrium are elicited by conceptus-derived factors other than IFNT. Study I: Early pregnancy; day 12 of pregnancy (n=5 heifers), day 15 of pregnancy (n=3), day 18 of pregnancy (n=4), day 12 cyclic controls (n=5), day 15 cyclic controls (n=3), day 18 cyclic controls (n=4). Study II: Treatment with human interferon alpha (IFNA); IFNA treatment group (IFNA, n=3 heifers), placebo group (PLAC, n=3 heifers), control group (CONT, n=3 heifers).
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