Nuclear Reprogramming in Mouse Primordial Germ Cells: Epigenetic Contribution
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منابع مشابه
Nuclear Reprogramming in Mouse Primordial Germ Cells: Epigenetic Contribution
The unique capability of germ cells to give rise to a new organism, allowing the transmission of primary genetic information from generation to generation, depends on their epigenetic reprogramming ability and underlying genomic totipotency. Recent studies have shown that genome-wide epigenetic modifications, referred to as "epigenetic reprogramming", occur during the development of the gamete ...
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Genome-wide epigenetic reprogramming in mammalian germ cells, zygote and early embryos, plays a crucial role in regulating genome functions at critical stages of development. We show here that mouse primordial germ cells (PGCs) exhibit dynamic changes in epigenetic modifications between days 10.5 and 12.5 post coitum (dpc). First, contrary to previous suggestions, we show that PGCs do indeed ac...
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Epigenetic modifications are crucial for the identity and stability of cells, and, when aberrant, can lead to disease. During mouse development, the genome-wide epigenetic states of pre-implantation embryos and primordial germ cells (PGCs) undergo extensive reprogramming. An improved understanding of the epigenetic reprogramming mechanisms that occur in these cells should provide important new ...
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The present work provides a brief review about evidence obtained in the past years mainly in our laboratory using the mouse model, that germ cells and gonadal somatic cells may be direct target of endocrine disruptors (EDs) from very early stages of gonad formation. Since it is now known that epigenetic pathways are crucial for germ-line development and that EDs are also able to interfere with ...
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A number of environmental factors (e.g. toxicants) have been shown to promote the epigenetic transgenerational inheritance of disease and phenotypic variation. Transgenerational inheritance requires the germline transmission of altered epigenetic information between generations in the absence of direct environmental exposures. The primary periods for epigenetic programming of the germ line are ...
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ژورنال
عنوان ژورنال: Stem Cells International
سال: 2011
ISSN: 1687-966X,1687-9678
DOI: 10.4061/2011/425863