Effect of 5-azadeoxycytidine and retinoic acid on expression of genomic imprinting in parthenogenetic mouse embryos |
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Authors: | L. I. Penkov T. K. Taseva Ya. M. Koicheva E. S. Platonov |
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Affiliation: | (1) Cellular Reprogramming Laboratory,, Michigan State University, B270 Anthony Hall, East Lansing, MI 48824,, USA; |
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Abstract: | The action of two types of substances has been studied: 5-azadeoxycytidine and retinoic acid, which have a demethylation effect on DNA in the development process of diploid parthenogenetic mouse embryos. The effect of 5-azadeoxycytidine on hybrid mice (CBA × C57BL/6)F1 in vitro for 6 h, in the presence of single cell parthenogenetic embryos during the S-phase of the cell cycle has been studied. After developing to the blastocyst stage in vitro, parthenogenetic embryos were transplanted into the uterus of false pregnant females. It has been determined that a concentration of 0.1 μM 5-azadeoxycytidine activates embryonic development in the preimplantation period until the blastocyst stage (69% in experiment; 61% in the control) and during postimplantation, it increases the number of available space in the uterus for implantation (76% in experiment; 63% in the control). |
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