据报道，ES细胞目前已有在体外培养两年，连续传代达450次以上，而胚胎生殖干细胞传代次数最多可达70~80次。
According to reports, ESC culture in vitro was more than two years and attained 450 serial passages. Embryonic germline ESC attained 70~80 passages at most.
据报道，ES细胞目前已有在体外培养两年，连续传代达450次以上，而胚胎生殖干细胞传代次数最多可达70~80次。
According to reports, ESC culture in vitro was more than two years and attained 450 serial passages. Embryonic germline ESC attained 70~80 passages at most.
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