期刊
ZYGOTE
卷 27, 期 6, 页码 382-385出版社
CAMBRIDGE UNIV PRESS
DOI: 10.1017/S0967199419000443
关键词
Anethole; Antioxidants; In vitro embryo production; Oxidative stress
We performed the exposure of bovine oocytes to anethole during in vitro maturation (0 or 300 mu g/ml), during in vitro embryo production (0, 30, 300 or 2000 mu g/ml), or during both periods to determine the rates of 2-4 cells embryos, blastocysts rates and cells numbers, as well as the production of reactive oxygen species (ROS). Bovine ovaries (n = 240) were collected from a local abattoir after slaughter and cumulus-oocyte complexes (COCs) with homogeneous and non-dark cytoplasm, surrounded by two ormore compact layers of cumulus cells, and an intact zona pellucida were selected for in vitro maturatuion (IVM). Mature oocytes were then submitted to in vitro fertilization (IVF) and in vitro embryo production (IVP) in culture medium supplemented or not with different concentrations of anethole, as described above. Although IVM medium supplementation with 300 mu g/ml anethole improved the rates of bovine blastocysts formation, we demonstrated that IVP medium supplementation with 30 mu g/ml anethole, regardless of IVM medium enrichment, considerably enhanced blastocysts rates. Furthermore, ROS levels were decreased only when anethole was added to the IVP medium without previous IVM medium supplementation.
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