نتایج جستجو برای: Cloned Bovine Embryos
تعداد نتایج: 144583 فیلتر نتایج به سال:
Background: Development of cloned bovine embryos. Materials and Methods: Oocytes collection,oocyte denudation, oocyte enucleation, nuclear transfer, electrofusion, reconstructed embryo activation, culture of reconstructed and IVF embryo,and treatment with SAH post fusion interval Treatment of reconstructed embryos with TSA for 12 hours after activation, preparation of somatic donor cells, donor...
Somatic cell nuclear transfer (SCNT or cloning) returns a differentiated cell to a totipotent status; a process termed nuclear reprogramming. Reproductive cloning has potential applications in both agriculture and biomedicine, but is limited by low efficiency. To understand the deficiencies of nuclear reprogramming, our research has focused on both candidate genes and global gene expression pat...
The functions of mitochondria depend on precise interaction between nuclear and cytoplasmic genomes. Non-balance of mtDNA has been reported in most nuclear transfer embryos and offspring. The reason of the degradation of donor mtDNA is still not clear. To further investigate the mechanism, in this study, we designed an experiment as follows. Two fibroblast cell lines sharing same nuclear genome...
Mouse embryos undergo genome-wide methylation reprogramming by demethylation in early preimplantation development, followed by remethylation thereafter. Here we show that genome-wide reprogramming is conserved in several mammalian species and ask whether it also occurs in embryos cloned with the use of highly methylated somatic donor nuclei. Normal bovine, rat, and pig zygotes showed a demethyl...
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