Following the successful production of nuclear transfer sheep,mice,goat,cattle,porcine and rabbit et al,the inter species nuclear transfer has become one of the most attentioned questions in scientific field and international society,just because of its potential value in preserving endangered species,human embryonic stem cells research and other areas.

The research about interspecies somatic cell nuclear transfer to save the imminent danger animals;

With the development of the technique of nuclear transplantation, nuclear-transfered embryonic stem cell line of cattle, mice and human-rabbit inter-species now have produced.