Presence of chlorogenic acid during in vitro maturation protects porcine oocytes from the negative effects of heat stress

被引:13
作者
Thanh-Van Nguyen [1 ]
Lanh Thi Kim Do [2 ]
Somfai, Tamas [3 ]
Otoi, Takeshige [4 ]
Taniguchi, Masayasu [5 ]
Kikuchi, Kazuhiro [5 ,6 ]
机构
[1] Natl Inst Anim Sci, Key Lab Anim Cell Technol, Hanoi, Vietnam
[2] Natl Univ Agr, Fac Vet Sci, Hanoi, Vietnam
[3] Natl Agr & Food Res Org NARO, Inst Livestock & Grassland Sci NILGS, Anim Breeding & Reprod Res Div, Tsukuba, Ibaraki, Japan
[4] Tokushima Univ, Fac Biosci & Bioind, Tokushima, Japan
[5] Yamaguchi Univ, Grad Sch Vet Sci, Yamaguchi, Japan
[6] Natl Agr & Food Res Org NARO, Inst Agrobiol Sci NIAS, Div Anim Sci, Tsukuba, Ibaraki, Japan
关键词
chlorogenic acid; embryo development; heat stress; parthenogenesis; porcine oocyte; DEVELOPMENTAL COMPETENCE; SEASONAL INFERTILITY; SHOCK; APOPTOSIS; DISRUPTION; FLAVONOIDS; NUCLEAR;
D O I
10.1111/asj.13302
中图分类号
S8 [畜牧、 动物医学、狩猎、蚕、蜂];
学科分类号
0905 ;
摘要
Chlorogenic acid (CGA) is known to protect oocytes from oxidative stress. Here we investigated the effects of CGA on porcine oocyte maturation under heat stress and subsequent embryonic development after parthenogenetic activation. For in vitro maturation (IVM) at 41.0 degrees C (hyperthermic condition), supplementation of the maturation medium with 50 mu M CGA significantly improved the percentage of matured oocytes and reduced the rate of apoptosis relative to oocytes matured without CGA (p < .05). CGA treatment of oocytes during IVM under hyperthermia tended to increase (p < .1) percentage of blastocyst formation after parthenogenesis and significantly increased (p < .05) the total cell number per blastocyst relative to oocytes matured without CGA. For IVM at 38.5 degrees C (isothermic condition), CGA significantly improved the rate of blastocyst development compared with oocytes matured without CGA (p < .05), but did not affect oocyte maturation, apoptosis rate or the number of cells per embryo. Omission of all antioxidants from the IVM medium significantly reduced the rate of oocyte maturation, but the rate was restored upon addition of CGA. These results demonstrate that CGA is a potent antioxidant that protects porcine oocytes from the negative effects of heat stress, thus reducing the frequency of apoptosis and improving the quality of embryos.
引用
收藏
页码:1530 / 1536
页数:7
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