نتایج جستجو برای: maturation index
تعداد نتایج: 450924 فیلتر نتایج به سال:
Besides their role in making energy, polyunsaturated fatty acids can affect on ovarian follicles and corpus luteum by providing the precursors required for the synthesis of signaling molecules such as steroids and prostaglandins. The effects of α-linolenic acid (ALA) on developmental competence of oocytes in goats were evaluated in this study. Initially, ALA content of follicular fluid of small...
In order to increase the knowledge of the probiotic effects on reproductive indices of fish, this study was conducted to investigate the effects of different levels of probiotic Lactobacillus plantarum on gonadal development and sexual maturation in zebrafish (Danio rerio). Some 720 zebrafish were fed the experimental diets in four treatments such as: 0%, 0.5%, 1.5% and 3% probiotic diets for ...
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 antioxid...
background prediction of skeletal growth is necessary for growth modification and surgical orthodontic treatments and is usually done by assessing skeletal maturity indicators in hand-wrist radiographs. the use of growth stages of cervical vertebrae in lateral cephalograms has been suggested to avoid overexposure. objectives this study seeks to assess the degree of agreement between hand-wrist ...
Introduction: Superovulation produces complications in some patients, so invitro maturation of oocytes is used to decrease or eliminate these complications and improve IVF. Moreover, IVM is used for different aspects of reproductive researches. Slaughterhouse ovaries are the main source of oocytes for IVM and IVF studies. Different media has been introduced and experimented for in vitro maturat...
Background: In vitro maturation (IVM) of immature oocyte is a promising treatment option for infertile women.IVM procedures attempt to mimic the natural conditions of the follicular environment. The technique of IVM of oocytes has been successful after the first trial using culture of human oocytes in follicular fluid. The crucial part of this technique is the maturation process itself, and the...
Background: Different culture media are used for in vitro maturation of ovine oocyte. The Weymouth medium are used for in vitro maturation of rat and mice oocytes with very low levels of supplementation (Just FBS, while to acquire the good results in TCM hormone, and serum supplementation and in some cases growth factor are necessary to gain the optimized results. The aim of the present study w...
background: linoleic acid (la) is a polyunsaturated fatty acid present in high concentrations in follicular fluid, when added to maturation culture media, it affects oocyte competence.objective: in the present study, we investigated effect of linoleic acid supplementation on in vitro maturation, embryo development and apoptotic related gene expression in ovinematerials and methods: the experime...
RESULTS: Mean nerve fiber diameter in the central region of the regenerated nerve was not significantly different between AG and NerbridgeTM rats (5.39 ± 2.42 μm vs. 4.88 ± 1.44 μm). However, myelin width differed significantly between both groups (0.82 ± 0.45 μm vs. 0.45 ± 0.12 μm). Also, AG rats showed significantly greater improvement in g-ratio, an index of nerve maturation, (0.70 ± 0.12 mm...
Background. Entropy and Bispectral Index (BIS ) have been promoted as EEG-based anaesthesia depth monitors. The EEG changes with brain maturation, but there are limited published data describing the characteristics of entropy in children, and some data suggest that BIS is less reliable in young children. The aim of this study was to compare the performance of entropy as a measure of anaesthetic...
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