Apoptotic and Epigenetic Induction of Embryo Failure Following Somatic Cell Nuclear Transfer
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چکیده
Apoptotic and Epigenetic Induction of Embryo Failure Following Somatic Cell Nuclear Transfer
منابع مشابه
O-18: Epigenetic Modification of Cloned Embryo Development; State of ART
Background: At the outset of the somatic cell nuclear transfer (SCNT) process, the chromatin structure of the somatic cell which governs its state of differentiation undergoes dramatic changes, called reprogramming, and is compelled back to the embryonic stage. However, the overall epigenetic makeup of the resultant cloned embryos has been acknowledged far different from the fertilized embryos....
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Background: The beneficial effect of supplementing culture medium with melatonin has been reported during in vitro embryo development of species such as mouse, bovine and porcine. However, the effect of melatonin on the mouse somatic cell nuclear transfer remained unknown. Materials and Methods: In this study, we assessed the effects of various concentrations of melatonin (10-6 to 10-12 M) on t...
متن کاملP-81: Distinct Epigenetic Status of Fully Grown and Growing Oocytes Selected by BCB Staining
Background: Since the sheep ‘Dolly’ was successfully cloned by somatic cell nuclear transfer (SCNT), the inefficiency of SCNT cloning and abnormality of cloned animals have been a focus of considerable controversy. Oocyte quality has been shown to contribute to poor somatic cloning and cell reprogramming efficiency with many factors affecting oocyte quality and developmental potential. It has b...
متن کاملP-86: Production of Cloned Mice by Somaticm Cell Nuclear Transfer
Background: For several years, mammalian cloning by splitting an early embryo or nuclear transfer into oocytes method has been successfully performed. Cloning is now also possible using adult somatic cells. Although it has now been 15 years since the first cloned mammals were generated from somatic cells using nuclear transfer (NT), the success rate for producing live offspring by cloning is lo...
متن کاملEfficiency of Ovine Fibroblast or Cumulus Cells For Somatic Cell Nuclear Transfer in Sheep
Purpose: Despite remarkable progresses have been achieved in the field of somatic cell nuclear transfer (SCNT), there is little information regarding the effect of donor cell type on the efficiency mammalian somatic cell cloning in vitro. This study compared in vitro developmental competency of sheep enucleated oocytes reconstructed with either fibroblast or cumulus cells. Material and methods...
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تاریخ انتشار 2016