| 
      Doubling times of P19CL6 (EC), IB10 (ES) and GFP-UTF1 expressing cell lines
    (OE#1-OE#4), *p<0.05.
        | cell lines | double time (hr) | fold change |  
        | EC | 5.84    ± 0.03* | 1.00 |  
        | OE#1 | 5.99    ± 0.04 | 1.39 |  
        | OE#2 | 6.98    ± 0.02* | 1.20 |  
        | OE#3 | 6.38    ± 0.09* | 1.09 |  
        | OE#4 | 8.13    ± 0.05* | 1.03 |  
        | ES | 7.38 ± 0.11 | 1.00 |  
        | OE#1 | 8.35 ± 0.15* | 1.13 |  
        | OE#2 | 8.13 ± 0.12* | 1.10 |  |