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Sirt3 helps protect preimplantation mouse embryos against stress conditions during in vitro fertilization

Date:
July 19, 2010
Source:
Journal of Clinical Investigation
Summary:
Although approaches such as IVF are commonly used in developed countries to treat infertile couples, the processes remain relatively inefficient. Better understanding of events such as embryo development prior to implantation could help improve the efficiency of IVF. In this context, researchers have now determined that the protein Sirt3 helps protect preimplantation mouse embryos against stress conditions during in vitro fertilization and culture.

Infertility affects approximately 10% of couples worldwide. Although assisted reproductive technologies such as in vitro fertilization are commonly used in developed countries to treat infertile couples, the processes remain relatively inefficient.

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Better understanding of events such as embryo development prior to implantation, a time when many potential natural pregnancies fail, could help improve the efficiency of assisted reproductive technologies.

In this context, a team of researchers, led by Hiroki Kurihara, at the University of Tokyo, Japan, has now determined that the protein Sirt3 helps protect preimplantation mouse embryos against stress conditions during in vitro fertilization and culture. Of potential clinical significance, the negative effects of Sirt3 inactivation on mouse embryos could be overcome by culture in the presence of an antioxidant or in low oxygen conditions.

The research appears in the Journal of Clinical Investigation.


Story Source:

The above story is based on materials provided by Journal of Clinical Investigation. Note: Materials may be edited for content and length.


Journal Reference:

  1. Kawamura et al. Sirt3 protects in vitro-fertilized mouse preimplantation embryos against oxidative stress-induced p53-mediated developmental arrest. Journal of Clinical Investigation, 2010; DOI: 10.1172/JCI42020

Cite This Page:

Journal of Clinical Investigation. "Sirt3 helps protect preimplantation mouse embryos against stress conditions during in vitro fertilization." ScienceDaily. ScienceDaily, 19 July 2010. <www.sciencedaily.com/releases/2010/07/100719124404.htm>.
Journal of Clinical Investigation. (2010, July 19). Sirt3 helps protect preimplantation mouse embryos against stress conditions during in vitro fertilization. ScienceDaily. Retrieved November 26, 2014 from www.sciencedaily.com/releases/2010/07/100719124404.htm
Journal of Clinical Investigation. "Sirt3 helps protect preimplantation mouse embryos against stress conditions during in vitro fertilization." ScienceDaily. www.sciencedaily.com/releases/2010/07/100719124404.htm (accessed November 26, 2014).

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