Beneficial effect of resveratrol on bovine oocyte maturation and subsequent embryonic development after in vitro fertilization

Feng Wang, Xiuzhi Tian, Lu Zhang, Changjiu He, Pengyun Ji, Yu Li, Dunxian Tan, Guoshi Liu

Research output: Contribution to journalArticlepeer-review

89 Scopus citations

Abstract

Objective To analyze the potential beneficial effects and mechanisms of action of resveratrol on the maturation of bovine oocytes that were incubated in different concentrations of resveratrol (0.1, 1.0, or 10.0 μM) as germinal vesicle-stage oocytes. Design In vitro prospective study. Setting University research laboratory. Animal(s) Animal models for human studies. Intervention(s) In vitro culture in the presence of various concentrations of the antioxidant resveratrol. Main Outcome Measure(s) Parameters of hormone levels, oocyte nuclear maturation, cumulus expansion, levels of intracellular glutathione and reactive oxygen species, embryonic cleavage, blastocyst formation, gene expression associated with mature bovine oocytes and cumulus cells, and level of sirtuin 1 gene expression. Result(s) Resveratrol statistically significantly increased progesterone secretion and decreased estradiol-17β secretion by cumulus cells. The elevated levels of progesterone activated the Mos/MEK/p42 mitogen-activated protein kinase (MAPK) cascade in the oocytes. At a concentration of 1.0 μM, resveratrol statistically significantly improved cumulus expansion, polar body formation, the (hatched) blastocyst rate, and the mean number of cells/blastocysts. Meanwhile, resveratrol statistically significantly reduced the level of reactive oxygen species (ROS) and increased the level of glutathione (GSH). For the first time, the expression of the sirtuin-1 gene was identified in granulosa cells, cumulus cells, oocytes, and blastocysts. Further studies revealed that resveratrol promoted sirtuin-1 gene expression. Conclusion(s) Resveratrol promoted bovine oocyte maturation and subsequent post-in vitro fertilization embryonic development by inducing progesterone secretion and an antioxidant effect, probably in a manner dependent on sirtuin-1.

Original languageEnglish (US)
Pages (from-to)577-586.e1
JournalFertility and Sterility
Volume101
Issue number2
DOIs
StatePublished - Feb 2014

Keywords

  • Antioxidant
  • SIRT1
  • bovine
  • oocyte maturation
  • resveratrol

ASJC Scopus subject areas

  • Reproductive Medicine
  • Obstetrics and Gynecology

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