卵黄细胞

从超微结构水平研究日本血吸虫卵黄细胞培养的动态。

The cultured vitelline cells from adult Schistosoma japonica were observed ultrastructurally .

两种吸虫卵黄细胞发育过程比较相似。

Immature vitelline cells have relatively little cytoplasm , many free ribosomes .

成熟卵黄细胞的卵黄小滴融合，脂质小滴数量增多、体积增大；

The mature vitelline cells also degenerate ; some vitelline droplets have fused .

斯氏狸殖吸虫卵黄细胞发育的透射电镜研究

Ultrastructural study on the vitelline cells of Pagumogonimus skrjabini

文中对以卵黄细胞发育来评价药物治疗效果进行了讨论。

The discussion correlates the development in the vitelline cell with the effects in treatment .

虫体的肌纤维、卵巢和睾丸中的生殖细胞核、卵黄细胞和肠管上皮细胞对显示酪氨酸、色氨酸和组氨酸的偶联重氮反应呈现阳性。

The positive reaction for tyrosine , tryptophan and histidine was found in the subcuticular muscles , ovary , testes , vitelline cells and the intestinal epithelium .

目的：观察三氯苯达唑在体内外杀灭卫氏并殖吸虫后，虫体体壁及卵黄细胞超微结构的变化。

AIM : To observe the ultrastructural changes in the body wall and the vitelline cells of Paragonimus westermani in vitro and in vivo before and after triclabendazole treatment .

在体外培养过程中，卵黄细胞对外界环境的改变比日本血吸虫的其它体细胞更加敏感。

The cells were more sensitive than somatic cells to the changes of in vitro cultured condition , and degenerated in different degrees along with the prolongation of culture .

结果：治后1－7d，在虫的皮层、合体细胞、肌束、实质组织、肠管上皮细胞和卵黄细胞等均发现超微结构变化。

RESULTS : One to 7 d after treatment , ultrastructural damage by artemether were apparent in the tegument , syncytium , musculature , parenchymal tissues , intestinal epithelial cells and vitelline cells .

结果实验组成熟卵黄细胞出现机率较对照组高，核和胞质染色均匀；

Results In the test group , the numbers of mature vitelline cells were more than that in the control group ; the cytoplasm and nucleus of mature vitelline cells were homogeneous stain .

结论全反式维甲酸可以抑制睾丸卵黄囊瘤细胞的增殖，抑制肿瘤增殖机制可能与下调VEGF的表达有关。

ConclusionATRA could inhibit proliferation of yolk sac tumor cell line , and down regulation of VEGF could be the inhibitory mechanism of ATRA on yolk sac tumor cell line in vitro .

结果：第2组中，卵黄囊细胞出现细胞凋亡特征性的DNALadder，与正常对照组相比ERK1/2蛋白激酶活性显著下降；

Results : There was strong characteristic apoptotic DNA ladder in yolk sac cells in embryopathic offspring from experimentally induced diabetic rats , and activities of ERK1 / 2 were dramatically decreased ( group 2 ) .

6.0μg/ml时则可致胚胎组织GSH活性和卵黄囊细胞膜脂质流动性显著降低。

At Al 3 + concentration of 6.0 μ g / ml , the activity of GSH and the membrane lipid fluidity of visceral yolk sac decreased significantly .

结论氟有潜在的致畸性和胚胎毒性，胚胎组织GSH活性和卵黄囊细胞膜脂流动性降低可能在氟致胚胎发育毒性中起重要作用。

Conclusions Fluoride could result in embryonic growth retardation and potential teratogenic toxicity . These effects might be due in part to decrease in GSH activity and membrane lipid fluidity .

目的探讨熊去氧胆酸（ursodeoxycholicacid，UDCA）的应用对胆汁淤积症（ICP）孕鼠脏层卵黄囊细胞膜脂质流动性及胎盘组织谷光甘肽（glutathione，GSH）含量的影响。

Objective To explore the effects of ursodeoxycholic acid ( UDCA ) on the fluidity of rat visceral sac and placental glutathione ( GSH ) concentration in rats with intrahepatic cholestasis .

氟浓度为10μgml时，胚胎组织GSH活性和卵黄囊细胞膜脂质流动性也显著降低（P<005）。

GSH content in embryonic tissue and membrane lipid fluidity of visceral yolk sac cell reduced obviously at the concentration ≥ 10 μ g / ml ( P < 0.05 ) .

重铬酸钾对卵黄囊细胞膜脂质流动性的影响

Effects of Potassium Dichromate on Lipid Fluidity of Cell Membrane of Yolk Sac in Rats

雄虫抽提物对日本血吸虫卵黄培养细胞最适浓度的筛选

Selection of optimal concentration of male worm extraction on the cultured vitelline cells from Schistosoma japonicum

硫酸铝对小鼠胚胎组织谷胱甘肽活性和卵黄囊细胞膜流动性的影响

Effects of Aluminum Sulfate on GSH Activity and Membrane Lipid Fluidity of Visceral Yolk Sac Cell of Mouse Embryo in Vitro

目的观察日本血吸虫雄虫抽提物对卵黄培养细胞超微结构的影响。

Objective To study the effects of male worm extraction on the proliferation and metabolic activity of cultured vitelline cells from Schistosoma japonicum .

全反式维甲酸对儿童卵黄囊瘤细胞增殖及维甲酸β受体表达的影响

Effect of all-trans-retinoic acid on proliferation of yolk sac tumor Cell line and expression of RAR - β gene in inducing differentiation in Vitro

结论：卵黄囊干细胞具有向cFUGM分化的能力；

Conclusion The committed differentiation from yolk sac stem cells to CFU GM is affected by many factors .

未接毒MDCK细胞生长正常，非免疫卵黄抗体产生细胞病变，高免卵黄抗体对细胞几乎无损伤作用。

MDCK cells without inoculation with CDV grew normally , Non-immunized yolk antibody as the same as cytopathic effect inoculation with CDV and immunized egg yolk antibody almost no damage to the cell .

脂肪细胞膜蛋白卵黄抗体对脂肪细胞增殖与凋亡的影响

Effects of yolk antibody against adipocyte plasma membrane on adipocyte proliferation and apoptosis

初级卵母细胞早期，可见到卵黄核和颗粒细胞，细胞外具有质膜和结缔组织膜；

At early stage of primary oocyte , there are a connective tissue membrane and a plasma membrane , and granulosa cell can be seen in this stage .

结论卵黄囊血岛造血细胞和内皮细胞共表达CD10、CD14、CD31和FⅧ，卵黄囊血管内皮细胞表达CD34，而造血细胞不表达CD34。

Conclusions The hematopoietic cells and endothelial cells of YS blood island co-expressed CD10 , CD14 , CD31 and factor ⅷ . Endothelial cells were CD34 positive but hematopoietic cells were negative in YS blood island .