Table 2.

Teratoma developmenta

Cell Type InjectedNo. of MiceTeratoma NumberAge of Onset%
EB-derived LacZ/T/GFP+330NA0
EB-derived LacZ/T/GFP−32415 d, 20 d, 6 mo, 7 mo12.5
Undifferentiated ES2059 d, 30 d (2), 50 d, 6 mo20
  • a EB, embryoid body; ES, embryonic stem; GFP, green fluorescence protein; T, brachyury.