oocyte in vitro maturation
Effects of oocyte collection techniques and maturation media on in vitro maturation and subsequent embryo development in Boer goat
... ABSTRACT: The oocytes (experiment 1) were harvested by one of the four collection techniques (slicing, punc- ture, aspiration I and aspiration II) and the total number and the number of each grade of oocytes were ...
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Embryological Aspects of Oocyte In Vitro Maturation
... There are some reports that indicate signifi- cant improvements in IVM rate by human chorionic gonadotrophin (hCG) priming before the retrieval of immature oocytes from PCOs patients (10-12). Improvement of IVM in PCO ...
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Contribution of human oocyte architecture to success of in vitro maturation technology
... several advantages of reducing the costs, avoidance of the side effects of OHSS and simplified treatment for certain infertile couples (3). Application of IVM is growing in companion animal breeding, livestock genetic ...
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Differential regulation of cumulus cell transcription during oocyte maturation in vivo and in vitro
... maturing oocyte, including outsourcing of anabolites and catabolites (Su et ...between oocyte and cumulus cells, oocyte in vitro maturation (IVM) studies have suggested the concept that ...
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MicroRNA-21 and PDCD4 expression during in vitro oocyte maturation in pigs
... porcine oocyte in vitro maturation ...the oocyte, MIR21 could impact PDCD4 protein abundance as the necessary accessory proteins for miRNA function are present in the oocyte during GVBD ...
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Effect of bone morphogenetic protein-4 on in vitro growth, steroidogenesis and subsequent developmental competence of the oocyte-granulosa cell complex derived from bovine early antral follicles
... in vitro embryo production in cattle [1, ...in vitro development of oocytes from primordial follicles has been demonstrated in mice [3, 4], it has not been achieved in other ...in vitro growth (IVG), ...
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... vitrified oocyte in ethylene glycol-sucrose in presence of cumulus ...in vitro maturation, in vitro fertilization and developmental capacity to 2-cell ...satisfactory maturation and ...
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Resveratrol compares with melatonin in improving in vitro porcine oocyte maturation under heat stress
... porcine oocyte had an adverse effect on their developmental com- petence by increasing GSH content and inhibiting the pro- duction of oocyte ROS ...nuclear maturation of oocytes, resulting in the ...
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The toxic effects and possible mechanisms of Bisphenol A on oocyte maturation of porcine in vitro
... in vitro [26, 27]. Meanwhile, autophagy is also critical for in vitro maturation and improves the nuclear and cytoplasmic maturation of porcine oocytes ...inhibited oocyte ...
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Assessment in Vitro Oocyte Maturation and Blood-Circulating Steroid Hormones in Persian Sturgeon (Acipenser persicus) Spawning
... beakers directly on ice for 15-30 minutes and then oocyte PI and GVBD in the in vitro maturation assay were determined at each sampling. Soon after the removal of the oocytes, the females were ...
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Effects of inhibiting nitric oxide synthase on cumulus expansion and nuclear maturation of sheep oocytes
... in oocyte matura- tion of ...in oocyte maturation of some species, there is no report about its effect on the in vitro maturation of sheep ...in vitro maturation of ovine ...
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Effect of Cumulus Cells on the Efficiency of Vitrified Thawed Immature Cattle Oocytes
... cumulus oocyte complex (COCs) was aspirated from follicles of 2 - 8 mm diameter and placed into Petri dish contain- ing 5 ml aspiration medium (5 ml Phosphate buffer saline (PBS) and 3 mg/ml bovine serum albumin ...
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Empty Follicle Syndrome Following GnRHa Trigger in PCOS Patients Undergoing IVF Cycles
... and maturation (27), [4] Folli- cles need for a longer duration of exposure to the trigger, to undergo cumulus expansion and separa- tion from the follicular wall (13), [5] Poor ovarian reserve with AMH levels ...
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Oocyte maturation, fertilization and post fertilization development in two polychaete species
... In the ascidian, Molgula occidentalis, GVBD is induced by mechanical removal of the oocytes. GVBD begins within 1-5 minutes after removal, is completed within 15 minutes, and is then arrested at the first metaphase of ...
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Usefulness of bovine and porcine IVM/IVF models for reproductive toxicology
... murine oocyte maturation [146], this phyto- estrogen, as well as daidzein, can affect the development of mice reproductive organs ...porcine oocyte mat- uration, it is able to disturb progesterone ...
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Human oocyte maturation in vitro
... for oocyte physiology (such as amino acids, cholesterol, and small regulative molecules) are supplied to the oocytes by the somatic ...that. Oocyte- CC gap junctional communication requires not only a ...
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Reproductive and genetic variation in 'Arenicola marina' (L ) and comparison with 'Arenicola defodiens' (Cadman & Nelson Smith, 1993) (Annelida : Polychaeta)
... follicle cells to produce and release a second hormone. One of the initial discoveries demonstrating the hormonal nature of the system was that aqueous extract of radial nerve injected into the perivisceral cavity of one ...
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Induction and inhibition of oocyte maturation by EDCs in zebrafish
... meiotic maturation of fish oocytes in vitro ...induces maturation in goldfish and zebrafish ...zebrafish oocyte maturation and discussed possible groups of DES interacting with the MIH ...
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Calcium signals and oocyte maturation in marine invertebrates
... Fig. 1. Patterns of meiotic progression relative to fertilization for animal groups mentioned in this article. (Pattern A) Prophase-arrested oocytes are released from the ovary. (Pattern B) Germinal vesicle breakdown ...
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Hydration of rainbow trout oocyte during meiotic maturation and in vitro regulation by 17,20β dihydroxy 4 pregnen 3 one and cortisol
... meiotic maturation, which leads to an important volume increase, no noticeable hydration of the preovulatory oocyte has ever been reported in rainbow trout (Oncorhynchus ...study, oocyte water ...
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