Significance of CCN2 expression in bovine preimplantation development
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چکیده
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15 صفحه اولGlucose metabolism during bovine preimplantation development: analysis of gene expression in single oocytes and embryos.
Glucose metabolism of the bovine embryo is low during the first cleavages and increases sharply after the major resumption of the genome (8-16 cells). The mRNA level for genes involved in glucose metabolism was tested by RT-PCR on individual oocytes and embryos at different stages of development. These genes were: glucose transport GLUT-1, hexokinase (HK), glucose-6-phosphatase-dehydrogenase (G...
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Gap junctional intercellular coupling allows cells to share low molecular weight metabolites and second messengers, thus facilitating homeostatic and developmental processes. Gap junctions make their appearance very early in rodent development, during compaction in the eight-cell stage. Surprisingly, preimplantation mouse embryos lacking the gap junction protein connexin 43 develop normally and...
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BACKGROUND Oocyte fertilization and successful embryo implantation are key events marking the onset of pregnancy. In sexually reproducing organisms, embryogenesis begins with the fusion of two haploid gametes, each of which has undergone progressive stages of maturation. In the final stages of oocyte maturation, minimal transcriptional activity is present and regulation of gene expression occur...
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Experiments were performed to determine the actions of recombinant bovine interleukin-1beta (IL-1beta) on the growth of preimplantation embryos. In the first series of studies, IL-1beta was added at 8-10 h after insemination, and the percentage of oocytes developing to the blastocyst stage was evaluated. IL-1beta increased development to the blastocyst stage when embryos were cultured at high d...
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ژورنال
عنوان ژورنال: Animal Science Journal
سال: 2018
ISSN: 1344-3941
DOI: 10.1111/asj.13126