[Human embryonic stem cell lines preliminarily established in China].


OBJECTIVE To establish embryonic stem (ES) cell lines from human fertilized ovum in China. METHODS Fourteen human oocytes obtained from a volunteer were cultured in Earlg's medium and fertilized in vitro. Four of the morulae formed from the fertilized ovi were frozen and five continued to develop into blastocysts. The pellucid zones of the 5 blastocysts… (More)


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