نتایج جستجو برای: oocyte aging
تعداد نتایج: 118359 فیلتر نتایج به سال:
aging coefficient (ac) or aged-child ratio or age composition; takes into account the numbers and areas at both ends of the age distribution simultaneously. ac is the total number of individuals aged 65 years and more, divided by the total number of individuals aged 14 years, multiplied by 100. herein, age composition in iranian popu1ations, according to different provinces, place of residence ...
Background: Cherries are an important source of phyto- chemicals, especially anthocyanin. They have many potent biological Properties such as antioxidant activity. Oxidative stress is mainly insert their effect through decreasing of cell proliferation and viability. Infertility problem affect more than 15% of young couples in different societies. Oocyte expansion plays an important role in fert...
Maternal effect genes code for oocyte proteins that are important for early embryogenesis. Transcription in oocytes does not take place from the onset of meiotic progression until zygotic genome activation. During this period, protein levels are regulated posttranscriptionally, for example by poly(A) tail length. Posttranscriptional regulation may be impaired in preovulatory and postovulatory a...
Is low mitochondrial DNA (mtDNA) content after fertilization failure due to oocyte aging in culture?
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