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Protective Effects of Coenzyme Q10 on Developmental Competence of Porcine Early Embryos

  • Shuang Liang (a1), Ying Jie Niu (a1), Kyung-Tae Shin (a1) and Xiang-Shun Cui (a1)


Coenzyme Q10 (Q10) plays an important role in the cellular antioxidant system by protecting the cells from free-radical oxidative damage and apoptosis. In the present study, we have investigated the effect of Q10 on the preimplantation development of porcine parthenogenetic embryos, as well as the underlying mechanism. The results showed that 100 μM was the optimal concentration of Q10, which resulted in significantly increased cleavage and blastocyst formation rates and improvement of blastocyst quality. Q10 improved the blastocyst hatching rate and cellular proliferation rate in hatching blastocysts and increased the expression of hatching-related genes. Furthermore, Q10 not only decreased reactive oxygen species production, DNA damage levels, and apoptosis in the blastocysts from H2O2-induced oxidative injury, but also maintained mitochondrial function. Taken together, these results indicate that Q10 has beneficial effects on the development of porcine parthenogenetic embryos by preventing oxidative damage and apoptosis.


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