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KMID : 1005220130280030243
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Journal of Embryo Transfer
2013 Volume.28 No. 3 p.243 ~ p.250
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Pyracantha Extract Acts as an Antioxidant Agent to Support Porcine Parthenogenetic Embryo Development In Vitro
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Min Sung-Hun
Yeon Ji-Yeong
Kim Jin-Woo
Park Soo-Yong
Lee Yong-Hee
Kang Sun-Chul
Koo Deog-Bon
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Abstract
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Pyracantha is a genus of thorny evergreen large shrubs in the family of Rosaceae, with common names Firethorn or Pyracantha. It's extract has also been used in cosmetics as a skin-whitening agent and functioning through tyrosinase inhibition. Recent studies have shown that pyracantha extract possesses antioxidant activities and may significantly improve lipoprotein metabolism in rats. Although the mode of action of Pyracantha extract is not fully understood, a strong relationship was observed between antioxidant and apoptosis in some types of cells. Thus, the aim of this study was to evaluated the effect of pyracantha extract on blastocysts formation and their quality of the porcine parthenogenetic embryos. After parthenogenetic activation by chemicals, presumptive porcine parthenogenetic embryos were cultured in PZM-3 medium supplemented with extracts of pyracantha leaf, stalk and root for 6 day (1, 5 and 10 μg/ml, respectively). In our results, the frequency of blastocyst formation in pyracantha root extract (5 μg/ml) treated group had increased that of other groups. Furthermore, blastocysts derived from pyracantha root extract (5 μg/ml) treated group had increased the total cell numbers and reduced apoptotic index. Blastocyst development was significantly improved in the pyracantha root extract (5 μg/ml) treated group when compared with the H2O2 treated group (p<0.05). Subsequent evaluation of the intracellular levels of ROS in pyracantha root extract (5 μg/ml) treated groups under H2O2 induced oxidative stress were decreased (p<0.05). In conclusion, our results indicate that treatment of pyracantha root extract may improve in vitro development of porcine parthenogenetic embryos through its antioxidative and antiapoptotic effects.
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KEYWORD
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parthenogenetic embryos , pyracantha extract , antioxidant , apoptosis , porcine
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