Effect of intrauterine MGO administration on bovine endometrium
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ABSTRACT:
PROVIDER: PRJNA693017 | ENA |
REPOSITORIES: ENA
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Project description:To clarify the effect of intrauterine methylglyoxal (MGO) administration on the endometrium, mRNA expression profiles of bovine endometrium were investigated. Hierarchical cluster analysis with the expression levels of all genes was divided these cows into two clusters. First cluster was composed of control cows, second cluster contained MGO (5 mM) treated cows.
2021-01-19 | GSE165039 | GEO
Project description:To clarify whether the regenerative mechanism of endometrium after PVP-I treatment is similar to that after parturition in cows, mRNA expression profiles in bovine endometrium were investigated after PVP-I treatment in cows. Common differentially expressed genes between after PVP-I administration and parturition were few. The difference of the pattern of gene expression changes between after PVP-I administration and postpartum period suggests that the endometrial regeneration after PVP-I administration had different mechanism from parturition.
2021-01-16 | GSE164923 | GEO
Project description:Changes in proportion of side population cells and gene expression in bovine endometrium after Intrauterine administration of povidone-iodine
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Project description:Intrauterine administration of BoTA might be a potential therapeutic strategy to promote endometrial regeneration via elevation of insulin-like growth factor binding protein 3 mediated osteopontin proteolytic cleavage
2022-07-15 | GSE207379 | GEO
Project description:Here we tested the hypothesis that intrauterine infusion of pathogenic bacteria leads to changes in the transcriptome of the reproductive tract in dairy cattle three months later. We used virgin Holstein heifers to avoid the confounding effects of periparturient problems, metabolic stress and lactation. Animals were infused intrauterine with endometrial pathogenic bacteria Escherichia coli and Trueperella pyogenes to induce clinical endometritis (n = 4) and compared with control animals (n = 6). Three months after infusion, the caruncular and intercaruncular endometrium, isthmus and ampulla of the oviduct, and granulosa cells from dominant ovarian follicles were profiled by RNA-sequencing. Compared with control, bacterial infusion altered the transcriptome of all the tissues. Most differentially expressed genes were tissue-specific, with 109 differentially expressed genes unique to the caruncular endometrium, 57 in the intercaruncular endometrium, 65 in the isthmus, 298 in the ampulla, and 83 in granulosa cells. Surprisingly, despite infusing the bacteria into the uterus, the granulosa cells had more predicted upstream regulators of differentially expressed genes than all the other tissues combined. In conclusion, there was evidence of long-term changes to the transcriptome of the endometrium, oviduct and even the granulosa cells after intrauterine infusion of pathogenic bacteria, which implies that all these tissues contribute to the infertility that persists after endometritis.
2019-11-30 | GSE140469 | 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.
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).
2011-10-31 | E-GEOD-30694 | biostudies-arrayexpress
Project description:To clarify the regenerative mechanism of endometrium after parturition in cows, mRNA expression profiles in bovine endometrium were investigated during postpartum period. after PVP-I treatment in cows. The differentially expressed genes in the endometrium between postpartum days 49-52 and days 99-101 were 23 genes, and they were much lower than those before postpartum days 49-52. This result suggests that endometrial regeneration after parturition is completely accomplished until postpartum days 49-52.
2021-01-16 | GSE164924 | GEO
Project description:The contraceptive effectiveness of intrauterine devices has been attributed in part to effects of a foreign body reaction on the endometrium. We performed this study to identify compare the effects on the endometrial transcriptome of intrauterine devices and combined oral contraceptives, to better understand their mechanisms of action. We collected endometrial and cervical biopsies from women using the levonorgestrel-intrauterine device, copper intrauterine device or levonorgestrel-containing combined oral contraceptives, and from women not using contraceptives (control group). Transcriptional profiling was performed with Affymetrix arrays, Principal Component Analysis and the bioconductor package limma. Pathway analysis was performed using EnrichR and Reactome 2016. In endometrial samples from copper intrauterine device users (n=13), there were no genes with statistically significant differential expression compared to controls (n=11), whereas in levonorgestrel-intrauterine device users (n=11), 2509 genes were significantly dysregulated and mapped onto several immune and inflammatory pathways. In combined oral contraceptive users (n=12), 133 genes were significantly dysregulated and mapped predominantly onto pathways involving regulation of metal ions. Both levonorgestrel-intrauterine device and combined oral contraceptive use were associated with significant downregulation of members of the metallothionein gene family. In cervical samples, none of the groups showed statistically significant differential gene expression compared to controls. In conclusion, hormonal and copper intrauterine devices differ significantly in their effects on the endometrial transcriptome, with endometrium from copper intrauterine device users being indistinguishable from luteal phase endometrium. These results suggest that the contraceptive mechanisms of intrauterine devices are unlikely to rely on a common pathway involving a foreign body reaction in the endometrium.
2020-04-29 | GSE137765 | GEO
Project description:EFFECT OF ORAL UREA ADMINISTRATION ON THE TRANSCRIPTOME OF THE EQUINE ENDOMETRIUM AND EMBRYO
| PRJNA553223 | ENA