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Cumulus—oocyte complexes (COCs) were collected by aspiration of ovarian follicles (2 to 6 mm in diameter) obtained from a local abattoir. The COCs were matured for 20 h in TCM-199 supplemented with 5% calf serum (CS) and 0.02 AU mL^\u003c-1\u003e FSH, at 38.5℃ in an atmosphere of 5% CO_2 in air. P_4 was added to the IVM medium at 10 h after the start of the culture (1 μg mL^\u003c-1\u003e of P_4: 1 μg group; 5 μg mL^\u003c-1\u003e of P_4: 5 μg group; without P_4: control group). The matured COCs were inseminated with 5 x 10^6 sperms mL^\u003c-1\u003e. After 18 h of gamete co-culture, the presumptive zygotes were cultured in CRlaa containing 5% CS at 38.5℃ in an atmosphere of 5% CO_2, 5% 0_2 and 90% N_2 for 9 days (fertilization, day 0). The rates of MII, cleavage and blastocyst formation were analyzed by the chi-square test. Each set of cell numbers (mean ± SE) was analyzed by the unpaired t-test. 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ウシ体外成熟培養におけるプロジェステロン添加が胚発生に及ぼす影響
http://hdl.handle.net/10659/3417
http://hdl.handle.net/10659/34178c1707fd-bb66-47fc-bf49-46f82df78a41
名前 / ファイル | ライセンス | アクション |
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Shoji_syuuron.pdf (3.9 MB)
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Item type | 学位論文 / Thesis or Dissertation(1) | |||||
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公開日 | 2014-06-11 | |||||
タイトル | ||||||
タイトル | ウシ体外成熟培養におけるプロジェステロン添加が胚発生に及ぼす影響 | |||||
言語 | ||||||
言語 | jpn | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_46ec | |||||
資源タイプ | thesis | |||||
著者 |
庄司, 圭佑
× 庄司, 圭佑 |
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著者別名 | ||||||
姓名 | ショウジ, ケイスケ | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The objective of this study was to investigate whether progesterone (P_4) supplementation to in vitro-maturation (IVM) medium could affect the competence of bovine oocyte to develop into blastocysts in vitro. Cumulus—oocyte complexes (COCs) were collected by aspiration of ovarian follicles (2 to 6 mm in diameter) obtained from a local abattoir. The COCs were matured for 20 h in TCM-199 supplemented with 5% calf serum (CS) and 0.02 AU mL^<-1> FSH, at 38.5℃ in an atmosphere of 5% CO_2 in air. P_4 was added to the IVM medium at 10 h after the start of the culture (1 μg mL^<-1> of P_4: 1 μg group; 5 μg mL^<-1> of P_4: 5 μg group; without P_4: control group). The matured COCs were inseminated with 5 x 10^6 sperms mL^<-1>. After 18 h of gamete co-culture, the presumptive zygotes were cultured in CRlaa containing 5% CS at 38.5℃ in an atmosphere of 5% CO_2, 5% 0_2 and 90% N_2 for 9 days (fertilization, day 0). The rates of MII, cleavage and blastocyst formation were analyzed by the chi-square test. Each set of cell numbers (mean ± SE) was analyzed by the unpaired t-test. The MII rate in the control group was significantly lower (P < 0.05) than that in the 1 μg group. The cleavage rate in the 1 μg group was significantly higher (P < 0.05) than those in the control group and 5 μg group. Further, the blastocyst formation rate in the 1 μg group and 5 μg group were significantly higher (P < 0.05) than that in the control group. However, there was no significant difference in cell numbers among the groups. In conclusion, timely P_4 supplementation in IVM medium give rise to high developing rates in bovine embryo cultured in vitro. | |||||
書誌情報 | p. 1-41 | |||||
著者版フラグ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||
その他のタイトル | ||||||
その他のタイトル | Effect of progesterone supplementation of maturation medium on the development of IVM-IVF-IVC bovine embryos | |||||
資源タイプ | ||||||
内容記述タイプ | Other | |||||
内容記述 | Thesis | |||||
学位名 | ||||||
学位名 | 酪農学 | |||||
学位授与機関 | ||||||
学位授与機関名 | 酪農学園大学 | |||||
学位授与年月日 | ||||||
学位授与年月日 | 2013 |