Alternative strategies for nuclear reprogramming in Somatic Cell Nuclear transfer (SCNT)
نویسندگان
چکیده
منابع مشابه
I-12: Nuclear Reprogramming in Bovin Somatic Cell Nuclear Transfer
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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We recently demonstrated that somatic cells from adult primates could be reprogrammed into a pluripotent state by somatic cell nuclear transfer. However, the low efficiency with donor cells from one monkey necessitated the need for large oocyte numbers. Here, we demonstrate nearly threefold higher blastocyst development and embryonic stem (ES) cell derivation rates with different nuclear donor ...
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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...
متن کاملPremature chromosome condensation is not essential for nuclear reprogramming in bovine somatic cell nuclear transfer.
Premature chromosome condensation (PCC) was believed to promote nuclear reprogramming and to facilitate cloning by somatic cell nuclear transfer (NT) in mammalian species. However, it is still uncertain whether PCC is necessary for the successful reprogramming of an introduced donor nucleus in cattle. In the present study, fused NT embryos were subjected to immediate activation (IA, simultaneou...
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Background: The mammalian oocyte has the unique feature of supporting fertilization and normal development while being able of reprogramming the nuclei of somatic cells towards pluripotency, and occasionally even totipotency. Whilst oocyte quality is known to decay with somatic ageing, it is not a given that different biological functions decay concurrently. In this study, we tested whether ooc...
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ژورنال
عنوان ژورنال: Animal Reproduction
سال: 2017
ISSN: 1984-3143
DOI: 10.21451/1984-3143-ar915