卵母细胞成熟

此外，我们目前对卵丘细胞促进卵母细胞成熟质量的机制还知之甚少。因此，建立一种完善的DOs体外成熟系统具有非常重要的应用价值和理论意义。

In addition , the mechanisms by which cumulus cells improve oocyte maturation are poorly understood .

MT是调节哺乳动物卵母细胞成熟的重要激素之一，其作用机制可能是通过卵丘细胞实现的。

MT was able to affect mouse oocyte maturation and the regulation mechanisms might be related to cumulus cells .

内源环化腺苷酸（cAMP）含量变化对卵母细胞成熟的影响

Effect of endogenous camp changes on the oocyte maturation of Bufo bufo gargarizans

EGF对牛卵母细胞成熟及孤雌发育能力的影响

Effect of EGF on Oocyte Maturation in Vitro and Parthenogenetic Development Competence

在体内FSH启动卵泡生长，LH促进卵母细胞成熟。

FSH promotes follicular growth , and LH stimulates follicular maturation in vivo .

在卵母细胞成熟过程中促性腺激素（尤其是FSH）起重要的作用。

Gonadotropins , especially FSH , played a important role in maturation of oocyte .

培养液中不添加血清与添加血清时卵母细胞成熟率分别为60.3%和33.8%，差异极为显著（P＜0.01）。

With or without serum in the maturation medium , the porcine oocyte IVM rate was 33.8 % and 60.3 % , respectively , with significant difference ( p < 0.01 ) .

结果：实验组小白鼠卵母细胞成熟度、受精率及卵裂率均大于对照组，差异有极显著性及显著性（P＜0.01及P＜0.05）。

Results : The rates of maturation , fertilization and cleavage of murine oocytes in experimental groups were significantly higher than those in the controls ( P < 0.01 or P < 0.05 ).

结果IVM组卵母细胞成熟率为65.4%。

Results : Maturation rate was 65.4 % in group IVM .

添加FSH的猪卵母细胞成熟培养效果优于hMG；

FSH is more efficient for in vitro maturation of porcine oocyte than hMG ;

实验二重点研究了ANP在猪卵母细胞成熟过程中的作用机制。

The present study conducted experiments to examine the mechanism of ANP and forskolin on porcine oocyte maturation .

这和最近的研究是一致的，该研究表明卵母细胞成熟抑制因子能诱导用TNF处理的人类神经多肽的凋亡而不从线粒体中释放出来（7）。

This is in accord with a recent study that shows Omi can induce apoptosis in human neutrophils treated with TNF-without being released from the mitochondria ( 7 ) .

表明卵母细胞成熟培养过程中，卵丘细胞具有显著抑制IVF胚胎Fas/FaslmRNA表达的作用。

It suggests that the cumulus cells behave evidently inhibitive effects on the expression of Fas / FasL mRNA of IVF embryos during IVM of oocytes .

研究了FCS，17β－E2，FSH，LH对山羊卵泡卵母细胞成熟的作用，及培养时间对卵母细胞核和细胞质成熟的影响。

The effects of FCS , culture time , 17 β estradial , FSH and LH on goat oocytes in vitro maturation were studied .

本文以猪和大熊猫为对象，研究了ANP在卵母细胞成熟和精子功能中的作用及机理。

In this study , we examined the effect and the mechanism of ANP on porcine oocyte maturation , fertilization and giant panda spermatozoa function .

目的了解小鼠卵母细胞成熟过程中是否有核糖体RNA基因（rDNAs）的扩增。

Objective : To determine whether there is ribosomal RNA genes ( rDNAs ) amplification during early mouse oogenesis .

谷胱甘肽（Glutathione，GSH）作为卵母细胞成熟受精过程中最重要抗ROS物质，能够提高卵母细胞成熟受精后的胚胎质量。

As a most important material against ROS damage in oocyte during maturation and fertilization process , glutathione ( GSH ) can improve the competence of embryo following development .

原癌基因c-myb在孕酮调控小鼠卵母细胞成熟中的作用

Effect of Protooncogene c-myb on Progesterone-Induced Mouse Germinal Vesicle Stage Oocyte Maturation in Vitro

HX抑制时间短于24h，恢复成熟培养时卵母细胞成熟率与对照组（95%）差异不显著，但抑制时间再长，成熟率显著下降。

Maturating of oocytes was not affected when the HX exposure time was less than 24h , but maturation rate decreased significantly after 24h of HX inhibition .

在改良的基础培养液中添加HA，主要探讨HA对牛卵母细胞成熟的影响。

In this study , hyaluronic acid ( HA ) was added to the modified foundation medium , through which to mainly determine the effect of HA on in vitro maturation ( IVM ) of bovine oocytes .

这暗示着卵母细胞成熟抑制因子靠酶切HAX-1蛋白来启动线粒体中的细胞凋亡。

This suggests that Omi can initiate apoptosis in the mitochondria by cleaving HAX-1 protein .

因此Tb4对卵母细胞成熟、早期胚胎发育以及胚胎着床等生殖生理过程有着重要的作用。

Overall , Tb4 plays an important role for mouse oocytes maturation , early embryonic development and embryos implantation .

近年来，卵母细胞成熟过程中皮质颗粒（CGs）迁移和分布的变化作为胞质成熟的判定指标为越来越多的研究者接受。

Changes in the distribution of cortical granules ( CGs ) during oocyte maturation could be used as an important criterion to evaluate cytoplasmic maturation .

脑源性神经营养因子（BDNF）不仅能够在神经系统发挥重要作用，也能够在生殖系统促进卵巢发育、卵母细胞成熟和早期胚胎发育。

Brain-Derived Neurotrophic Factor ( BDNF ) not only played an important role in the neural system , but could promote ovarian development , oocyte maturation and early embryo development in reproductive system .

哺乳动物卵母细胞成熟分裂抑制剂NaF和IBMX不能抑制乙醇处理卵的孤雌激活，但显著地抑制了激活卵子的卵裂。

NaF and IBMX failed to inhibit the parthenogenetic activation of ethanol treated oocytes , but reduced the cleavage rate of the activated oocytes significantly .

由卵母细胞成熟开始，直至早期着床囊胚的形成，Tb4蛋白的表达水平呈现上调性变化。

From the beginning of oocytes maturation until the formation of the early blastula implantation , Tb4 protein expression showed an increasing tendency .

结果发现，MLT能提高卵母细胞成熟率，且随着浓度的升高，成熟率也呈升高趋势。

It was found that melatonin can improve the rate of oocyte maturation , and with the increase of the concentration , the maturation rate also showed an increasing trend .

本研究比较了牛卵母细胞成熟时间、卵丘-卵母细胞复合体（COCs）的分级、雌激素（E2）浓度以及来源于不同大小卵泡对卵母细胞成熟效率的影响。

In the study , effects of different factors , including maturation time , grades of cumulus-oocyte complexes ( COCs ), the addition of E_2 concentration and origin of oocyte , were evaluated on oocyte maturation efficiency in bovine .

激光共聚焦结果揭示，Tb4蛋白在小鼠卵母细胞成熟和早期胚胎发育过程中，存在差异性的表达和定位变化。

Confocal laser scanning results also showed that , Tb4 in mouse oocytes maturation and early embryonic development process , there are differences of expression and localization .

本试验分别用三蒸水和Mill&Q超纯水配制的培养液培养牛孤雌激活胚胎，结果表明，卵母细胞成熟率（PbI排放率）和卵裂率及囊胚率等无显著影响（P0.05）。

In this experiment were three steaming water and Mill-Q ultrapure water prepared culture medium Parthenogenetic activation of bovine embryos , results showed that the rate of oocyte maturation ( PbI emission rate ) and the cleavage rate and blastocyst rate of non-significant effect ( P 0.05 ) .