Generation of cynomolgus monkey fetuses with intracytoplasmic sperm injection based on the MII-stage oocytes acquired by personalized superovulation protocol

Zhangqiong Huang; Yun Li; Qinfang Jiang; Yixuan Wang; Kaili Ma; Qihan Li

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자료유형: 학술저널

저자정보: Zhangqiong Huang (Chinese Academy of Medical Sciences and Peking Union Medical College) Yun Li (Chinese Academy of Medical Sciences and Peking Union Medical College) Qinfang Jiang (Chinese Academy of Medical Sciences and Peking Union Medical College) Yixuan Wang (Chinese Academy of Medical Sciences and Peking Union Medical College) Kaili Ma (Chinese Academy of Medical Sciences and Peking Union Medical College) Qihan Li (Chinese Academy of Medical Sciences and Peking Union Medical College)

저널정보: 대한수의학회 Journal of Veterinary Science Journal of Veterinary Science 제21권 제3호

발행연도: 2020.5

수록면: 158 - 175 (18page)

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Background: Mature oocytes at the metaphase II status (MII-stage oocytes) played an important role in assisted reproductive technology in non-human primates.
Objectives: In order to improve the proportion of MII-stage oocytes retrieval, three different superovulation protocols were performed on 24 female cynomolgus monkeys.
Methods: All the monkeys received once-daily injection of follicle-stimulating hormone (25 international unit [IU]) on day 3 of the menstruation, 3-day intervals, twice daily for 8–12 days until the time of human chorionic gonadotropin (1,500 IU) injection, on the 14–17th day of menstruation collecting oocytes. The difference between protocol I and protocol II was that 0.1 mg the gonadotropin-releasing hormone agonist was injected on day 1 of the menstruation, while the difference between personalized superovulation protocol and protocol II was that oocytes could be collected on the 14–17th day of menstrual cycle according to the length of each monkey.
Results: The total number of oocytes harvested using the personalized superovulation protocol was much higher than that using protocol I (p < 0.05), and the proportion of MII-stage oocytes was significantly greater than that from either superovulation protocol I or II (p < 0.001 and p < 0.01 respectively), while the proportion of immature oocytes at the germinal vesicle was less than that from superovulation protocol I (p < 0.05).
Conclusions: The personalized superovulation protocol could increase the rate of MII-stage oocytes acquired, and successfully develop into embryos after intracytoplasmic sperm injection, and eventually generated fetus.

#Cynomolgus monkeys #assisted reproductive technologies #MII-stage oocytes #personalized superovulation #menstrual cycles #sexual swelling #ovulation point

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