Gene expression in day 4 pregnant uterus
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ABSTRACT:
PROVIDER: PRJNA493559 | ENA |
REPOSITORIES: ENA
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Project description:To detect the gene profiles in receptive uterus, two independent uteri are collected from pregnant day 4 mice and subjected to RNA-Seq. After aligned to mouse mm9 by Tophat2, RPKM value was calculated by Edger. Our results show that HMGB1 is one of the most abundant gene in the whole HMG family. The expression of HMGB1 was further confirmed by qPCR, ISH and immunofluorescence. The expression of HMGB1 was found expressed in very cells, indicating the essential role of HMGB1 for reproduction. This RNA-Seq data provides fundamental information for our further physiological study of HMGB1.
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Project description:In present, interspecies cloning and interspecies-pregnancy were studied for endangered species rescue. However, the low implantation and survival ratio, spontaneous abortion, and unknown reason embryos absorption are the common and difficult problems of interspecies-pregnancy. In order to discover the mechanism of interspecies-pregnant failure and find ways to overcome the xeon-pregnant obstacles, we chosen the rat embryos pregnant in mouse uterus as a interspecies-pregnancy model. Three groups were set, mouse embryos to mouse recipients (MM) as control group, rat embryos to mouse recipients (RM), and rat and mouse embryos to mouse recipients together (RMM) as experiment groups. The former studies showed that rat embryos live no longer than day 7 of mouse pregnancy (D7). Our results showed that rat embryos survived to D7, and still existed to day 9 of mouse pregnancy (D9) in RM group. Surprisingly, the rat embryos survived to day 13 of the mouse gestation (D13) in RMM group. Microarray analysis was used to detect the global-gene expression profile changes of the whole implantation sites among the three groups at D7 and D9. By this way, we screened out the genes promoting the implanted rat embryos development in a mouse uterus which helped the rat embryos survive to D13 in RMM group compared with RM group, and the genes hindering the rat embryos development in a mouse uterus which prevented rat embryos living longer than D7 in RM group and D13 in RMM group compared with MM group. These findings provide insights into the mechanism of interspecies pregnant failure and new idea for interspecies pregnant studies. Experiment Overall Design: microarray was use to screen the genes among the day 7 and day 9 implantation sites of rat embryos implantation sites in a mouse uterus between rat embryos transfer to mouse recipients and rat embryos transfer to mouse recipients with mouse embryos. The mouse day7 and day 9 embryos implantation sites were use as control. Experiment Overall Design: totally 6 samples were analyzed, each samples two replications (one of them had three replications).
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