نتایج جستجو برای: human embryos
تعداد نتایج: 1677642 فیلتر نتایج به سال:
Abstract Cellular metabolism provides fundamental components for chromatin dynamics and epigenetics. However, metabolic features, their impact on epigenetic remodeling during mammalian pre-implantation development, remain poorly understood. In this study, we established the landscape of mouse embryos from zygote to blastocyst, quantified absolute carbohydrate metabolites. We found that amino ac...
Morphogenesis in the developing embryo takes place in three dimensions, and in addition, the dimension of time is another important factor in development. Therefore, the presentation of sequential morphological changes occurring in the embryo (4D visualization) is essential for understanding the complex morphogenetic events and the underlying mechanisms. Until recently, 3D visualization of embr...
A map of human embryo development that combines imaging, molecular, genetic and epigenetic data for comparisons to other species and across pathologies would be greatly beneficial for basic science and clinical applications. Here, we compared mRNA and protein expression of key mediators of DNA methylation and histone modifications between mouse and human embryos, embryos from fertile/infertile ...
In order to resolve the mechanisms and reasons of cellular fragmentation it is crucial to understand what genes may be responsible for regulation of this process. We report herein that human oocytes and preimplantation embryos possess abundant levels of transcripts encoding cell death suppressors, Mcl-1, Bcl-x and Bag-1, and the cell death inducer genes, Bax and Caspase-2. Lower but detectable ...
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