Somatic cells regulate maternal mRNA translation and developmental competence of mouse oocytes
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چکیده
منابع مشابه
FSH Regulates mRNA Translation in Mouse Oocytes and Promotes Developmental Competence.
A major challenge in assisted reproductive technology is to develop conditions for in vitro oocyte maturation yielding high-quality eggs. Efforts are underway to assess whether known hormonal and local factors play a role in oocyte developmental competence and to identify the molecular mechanism involved. Here we have tested the hypothesis that FSH improves oocyte developmental competence by re...
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a:4:{s:10:"Background";s:206:"The aim of the present study was to investigate the role of progesterone on the developmental competence of cumulus-oocyte complexes (COCs) and cumulus-denuded oocytes (CDOs) at germinal vesicle (GV) stage.";s:19:"MaterialsAndMethods";s:485:"GV oocytes of pregnant mare's serum gonadotropin (PMSG)-primed prepubertal mice were divided into two groups: CDOs and COCs. ...
متن کاملMasking mRNA from translation in somatic cells.
We present evidence for a role for Y-box proteins in both mRNA transcription and translation. We have expressed an oocyte-specific RNA-binding protein (FRGY2) in somatic cells. This protein is normally found together with mRNA in large amounts within the masked maternal mRNA storage particles of Xenopus laevis oocytes. Masked maternal mRNA is believed to be translationally repressed during ooge...
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Objective DNA methylation is one the epigenetic mechanisms, which is critically involved in gene expression. This phenomenon is mediated by DNA methyl-transferases and is affected by environmental stress, including in vitro maturation (IVM) of oocytes. Melatonin, as an antioxidant, may theoretically be involved in epigenetic regulation via reductions of reactive oxygen species. This study was p...
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Background Melatonin (N-acetyl-5- methoxytryptamine) is mainly synthesized and secreted in the pineal gland, ovary, testes, bone marrow, retina and lens in mammalian species. It is involved in the detoxification of ROS and protects embryos from oxidative damage. Melatonin acts as a potential free radical scavenger, including peroxyl radical and hydroxyl radical. In addition, it can stimulate th...
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ژورنال
عنوان ژورنال: Nature Cell Biology
سال: 2013
ISSN: 1465-7392,1476-4679
DOI: 10.1038/ncb2873