Embryonic stem cell and nuclear transfer.

An improved mouse embryo culture system based on human preimplantation-1 medium.

Role of glucose, galactose and fructose in preimplantatoin development of bovine embryos derived from IVF or somatic cell nuclear transfer.

Birth of freemartins derived from embryos reconstructed with fibroblasts.

Establishment of an animal embryo culture system containing various embryotropins and its efficacy for culturing ICR mouse embryos derived from in vivo and in vitro.

Cryopreservation of ICR mouse oocytes: improved post-thawed preimplantation development after vitrification with Taxol, a cytoskeleton stabilizer.

A separate procedure of fusion and activation in a somatic cell nuclear transfer technology improves preimplantation development of bovine oocytes reconstituted with ear fibroblasts.

Discovering novel genes of poultry in genomic era.

Pregnancy and delivery of healthy infants developed from vitrified blastocysts in an IVF-ET program.

In vitro blastocyst formation of human oocytes obtained from unstimulated and stimulated cycles after vitrification at various maturational stages.