Gene expression analysis of single preimplantation bovine embryos and the consequence for developmental potential
نویسندگان
چکیده
منابع مشابه
Glucose 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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Expression of embryonic genes is altered in different culture conditions, which influence developmental potential both during preimplantation and fetal development. The objective of this study was to define the effects of culture conditions on: bovine embryonic development to blastocyst stage, blastocyst cell number, apoptosis and expression patterns of a panel of developmentally important gene...
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During differentiation, somatic nuclei acquire highly specialized DNA and chromatin modifications, which are thought to result in cellular memory of the differentiated state. Upon somatic nuclear transfer into oocytes, the donor nucleus may have to undergo reprogramming of these epigenetic marks in order to achieve totipotency. This may involve changes in epigenetic features similar to those th...
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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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ژورنال
عنوان ژورنال: Bioscientifica Proceedings
سال: 2019
ISSN: 2515-0227
DOI: 10.1530/biosciprocs.6.022