Effective Oocyte Vitrification and Survival Techniques for Bovine Somatic Cell Nuclear Transfer
نویسندگان
چکیده
منابع مشابه
Evidence of Oocyte Polarity in Bovine; Implications for Intracytoplasmic Sperm Injection and Somatic Cell Nuclear Transfer
OBJECTIVES We recently demonstrated spatial regionalization of maternal transcripts and proteins within unfertilized ovine oocyte. Here, we investigated the likelihood of oocyte polarity for the first time in bovine. MATERIALS AND METHODS In this experimental study, in vitro matured bovine oocytes were used for manual bisection [into oocyte halve that were near-to (HNS) and far-from (FS) spin...
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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...
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This experiment was studied to examine the in vitro developmental potential of enucleateddomestic cat oocytes reconstructed with skin fibroblasts from female domestic and leopard cats. The cumulus oocyte complex of domestic cat were cultured in IVM medium under 38.5°C, 5%CO2, 5%O2,90%N2 for 24 hours. The matured oocytes were enucleated and individual donor cell was inserted into...
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Levels of maturation-promoting factor (MPF) in oocytes decline after vitrification, and this decline has been suggested as one of the main causes of low developmental competence resulting from cryoinjury. Here, we evaluated MPF activity in vitrified mouse eggs following treatment with caffeine, a known stimulator of MPF activity, and/or the proteasome inhibitor MG132. Collected MII oocytes were...
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The ability to produce transgenic animals through the introduction of exogenous DNA has existed for many years. However, past methods available to generate transgenic animals, such as pronuclear microinjection or the use of embryonic stem cells, have either been inefficient or not available in all animals, bovine included. More recently somatic cell nuclear transfer has provided a method to cre...
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ژورنال
عنوان ژورنال: Cellular Reprogramming
سال: 2015
ISSN: 2152-4971,2152-4998
DOI: 10.1089/cell.2014.0072