Effect of Alpha Lipoic Acid as an Antioxidant Supplement during In Vitro Maturation Medium on Bovine Embryonic Development
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- 2023.04.05
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서지정보
ㆍ발행기관 : 한국수정란이식학회
ㆍ수록지정보 : Journal of Embryo Transfer / 32권 / 3호
ㆍ저자명 : Bahia M. S. Hassan, Xun Fang, Pantu Kumar Roy, Sang Tae Shin, Jong Ki Cho
영어 초록
This study was conducted to investigate the effects of alpha-lipoic acid (aLA) as an antioxidant that decrease the reactive oxygen species (ROS) in bovine embryonic development. Slaughterhouse derived bovine immature oocytes were collected and 4 different concentrations (0, 5, 10 and 20 mM) of aLA was supplemented in bovine in Vitro maturation (IVM) medium. After 20 hrs of IVM, maturation rates, levels of ROS and glutathione (GSH), and further embryonic development after parthenogenetic activation (PA) and in Vitro fertilization (IVF) was investigated according to aLA concentrations. Maturation rate was significantly higher in 10 mM group than other groups (80.5% vs. 62.9, 73.9, 64.2%; P0.05). In the levels of ROS and GSH in matured oocytes as an indicator of oocyte quality, significantly better results were shown in 5 and 10 mM groups compared with other 2 groups. After IVM, significantly higher rates of blastocyst formation were shown in 10 mM groups in both of PA (27.9% vs. 18.8, 22.3, 14.2%; P0.05) and IVF (32.6% vs. 23.9, 27.3, 16.2%; P0.05) embryos. In addition, significantly more cell total cell number and higher inner cell mass ratio in 10 mM PA and IVP blastocysts showed developmental competence in 10 uM groups. Therefore, based on the entire data from this study, using 10 M of aLA confirmed to be the optimal concentration for bovine oocyte maturation and embryonic development.
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