نتایج جستجو برای: vitro maturation
تعداد نتایج: 455993 فیلتر نتایج به سال:
INTRODUCTION In vitro maturation (IVM) of oocytes and subsequent, in vitro fertilization (IVF) for the generation of embryos in the laboratory has important values. Growth factors are a component of a complex system of autocrine and paracrine factors that have a regulatory role in ovarian function and affect oocyte maturation. Therefore, the aim of this study is to evaluate the effect of IGF-I ...
BACKGROUND Although high vitamin A may be teratogenic to the embryo, retinol has been shown to support oocyte developmental potential in vivo. Similarly, addition of retinol metabolite 9-cis-retinoic acid to in-vitro cultured oocytes could promote cytoplasmic maturation and subsequent early embryonic development. The objective of this study was to evaluate the effects of 5 nmol/l retinoic acid ...
Objective Crocin is an active ingredient of saffron (Crocus sativus L.) and its antioxidant properties have been previously investigated. This carotenoid scavenges free radicals and stimulates glutathione (GSH) synthesis; consequently, it may protect cells against oxidative stress. The aim of this research is to protect oocytes from oxidative stress by the addition of a natural source antioxida...
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