Chinese CHO-DXB11 Cited by user Sing20041130 on 23 Feb 2020 CHO-DXB11是源自成年中國倉鼠卵巢的上皮樣。利用甲磺酸乙酯(EMS)誘變CHO-K1細胞生成二氫葉酸還原酶(DHFR)基因单缺乏的CHO-UKB25细胞(dhfr+/dhfr-)後再用伽馬射線誘變,產生DHFR活性雙缺乏CHO-DXB11細胞(dhfr-/dhfr-),並且需要甘氨酸、次黃嘌呤和胸苷才能生長 。CHO-DXB11細胞僅…