Table 1.

Mitotic Stability of the HCV

Cell line Population doublings Loss rate +G418 −G418
0 1 2 0 1 2
E10B11090.23%1 (1%)107 (95%)4 (4%)19 (14%)103 (78%)10 (8%)
ES clone E402.66%2 (4%)48 (96%)033 (66%)17 (34%)0
ES clone F401.03%050 (100%)017 (34%)33 (66%)0
ES clone G400.26%3 (6%)47 (94%)05 (10%)45 (90%)0
ES clone H400.62%1 (2%)49 (98%)011 (22%)39 (78%)0
ES clone I400.82%1 (2%)49 (98%)014 (28%)36 (72%)0

[i] The cell lines were cultured in the presence or absence of G418. The HCVs were detected by FISH with a human alphoid-2 probe. The number of metaphase spreads showing respectively 0, 1 and 2 HCVs are given (percentages in brackets).