In vitro Maturation of Tan Sheep Oocytes  

滩羊卵母细胞体外成熟培养的研究（英文）

作　　者：杨恕玲[1] 黎永顺 张闫斌 

机构地区：[1]宁夏大学农学院,宁夏银川750021

出　　处：《Agricultural Science & Technology》2015年第9期1865-1868,共4页农业科学与技术（英文版）

基　　金：Supported by Natural Science Foundation of Ningxia Hui Autonomous Region(NZ12150)~~

摘　　要：[Objective] This study aimed to investigate the appropriate concentrations of follicle-stimulating hormone（FSH）, luteotropic hormone（LH） and estrodiol（E2） during in vitro maturation of Tan sheep oocytes. [Method] Tan sheep oocytes were divided into five groups for in vitro maturation culture： control group, FSH group（10,50, 100, 200 and 300 μg/ml FSH, respectively）, LH group（5, 10, 20, 50 and 100μg/ml LH, respectively）, E2group（5, 10, 25, 50 and 100 μg/ml E2, respectively）, and FSH ＋ LH group（100 μg/ml FSH ＋ 20 μg/ml LH）. The releasing rate of first polar bodies was analyzed. [Result] The maturation rate of Tan sheep oocytes in 100 μg/ml FSH ＋ 20 μg/ml LH group reached the highest（64.64%）, which was significantly higher than that in other four groups（P〈0.05）; among different FSH concentrations,100 μg/ml FSH was superior to other four concentrations and the control group, exhibiting significant differences（P〈0.05）; among different LH concentrations, 20 μg/ml LH was superior to other four concentrations and the control group, exhibiting significant differences（P〈0.05）; among different E2 concentrations, 50 μg/ml E2 was superior to other four concentrations and the control group, exhibiting significant differences（P〈0.05）. [Conclusion] Under the experimental conditions, 100 μg/ml FSH ＋20 μg/ml LH was the most appropriate hormone combination for in vitro maturation of Tan sheep oocytes.[目的]为了探讨滩羊卵母细胞体外成熟过程中促卵泡素(FSH)、促黄体素(LH)和雌二醇(E2)的最佳添加量。[方法]试验设为5组:对照组、FSH组(10、50、100、200和300μg/ml 5个浓度梯度)、LH组(5、10、20、50和100μg/ml 5个浓度梯度)、E2组(5、10、25、50、100μg/ml 5个浓度梯度)和FSH&LH组(100μg/ml FSH+20μg/ml LH),对滩羊卵母细胞的体外成熟培养进行研究,并统计第一极体排出率。[结果]100μg/ml FSH+20μg/ml LH组是试验各组中卵母细胞成熟率最高,为64.64%,明显高于其他4组,差异显著(P<0.05);FSH组中100μg/ml优于其他四个浓度梯度和对照组,差异显著(P<0.05);LH组的20μg/ml的浓度优于其他四组和对照组,差异显著(P<0.05),E2组中50μg/ml的浓度优于其他四组和对照组,差异显著(P<0.05)。[结论]100μg/ml FSH+20μg/ml LH是滩羊卵母细胞体外成熟培养的最佳培养条件。

关 键 词：FSH LH E2 Tan sheep OOCYTE In vitro maturation 

分 类 号：S826[农业科学—畜牧学]