نتایج جستجو برای: cumulus oocyte complex
تعداد نتایج: 799599 فیلتر نتایج به سال:
Cumulus-oocyte complexes were aspirated from small antral follicles (3-5 mm in diameter) and divided into 2 groups: complexes in which a dark rim of corona cells were visible around the zona pellucida (group 1); and those in which the corona displayed the same density as the rest of the cumulus cell mass (group 2). Cumulus complexes of both groups were evaluated by acetoorcein staining, scannin...
An abattoir study was conducted to evaluate the ovarian potential of 201 local zebu cattle from Ngaoundere, Adamawa region (Cameroon) for in vitro embryo production (IVEP). The ovaries were excised, submerged in normal saline solution (0.9%) and transported to the laboratory for a detailed evaluation. Follicles on each ovary were counted, their diameters (Φ) measured and were grouped into 3 cat...
The female infertility is a complex phenomenon that at least in part resides in the manifestation, possible perturbations and interplay of innate and adaptive immunity, with the participation of apoptotic and reactive oxygen species pathways, and some paracrine factors as causative and implementing factors in this process. The spread of the assisted reproduction technologies provided an unseen ...
Objectives: The current study aimed to investigate the in vitro effects of physiologic concentration of adiponectin in follicular fluid of pre-ovulatory bovine ovarian follicles on: 1) the bovine oocyte maturation and the early developmental rates of bovine embryos in vitro; 2) the expression profiles of some developmentally important marker genes in the bovine cumulus cells and oocytes. Materi...
This study tested the hypothesis that oocyte-derived paracrine factors (ODPFs) regulate miRNA expression in mouse granulosa cells. Expression of mmu-miR-322-5p (miR-322) was higher in mural granulosa cells (MGCs) than in cumulus cells of the Graafian follicles. The expression levels of miR-322 decreased when cumulus cells or MGCs were co-cultured with oocytes denuded of their cumulus cells. Inh...
PURPOSE Cumulus cells have a critical role in normal oocyte development and fertilization. Prunus cerasus is an anthocyanin rich berry and performs strong antioxidant activity. The present study set to determine if Prunus cerasus can affect expression of HAS2 (hyaluronan synthase 2) and progesterone receptor in Cumulus cells and its consequences outcome of the in vitro fertilization. METHODS ...
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