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Table 1 Cell survival rate in HepG2, L9981 and NL9980 cells with or without the double suicide gene system.

From: Double suicide genes driven by kinase domain insert containing receptor promoter selectively kill human lung cancer cells

Cell line Group Cell survival rate (%) p
   Control GCV(5 ug/ml) 5-Fc(100 ug/ml) GCV(5 ug/ml)+ 5-Fc(100 ug/ml)  
HepG2 HepG2 97 ± 5 96 ± 3 99 ± 1 95 ± 2 0.16
  HepG2-Vector 100 ± 3 97 ± 3 98 ± 1 99 ± 3 0.38
  HepG2-CDglyTK 99 ± 3 97 ± 6 94 ± 5 96 ± 3 0.57
  p 0.201 0.17 0.13 0.20  
L9981 L9981 96 ± 3 94 ± 2 95 ± 6 94 ± 4 0.08
  L9981-Vector 94 ± 3 95 ± 3 97 ± 5 95 ± 3 0.09
  L9981-CDglyTK 94 ± 5 67 ± 2 71 ± 4 34 ± 3 0.01
  P 0.32 0.002 0.0025 0.0021  
NL9980 NL9980 96 ± 1 96 ± 3 95 ± 2 97 ± 4 0.1
  NL9980-Vector 93 ± 3 94 ± 2 95 ± 4 95 ± 3 0.11
  NL9980-CDglyTK 96 ± 5 63 ± 1 66 ± 5 36 ± 4 0.00
  P 0.22 0.03 0.011 0.00  
  1. The MTT method was used to determine cellular viability. 5-Fc and/or GCV treatment significantly decreased the cellular survival rate in L9981 cells with CD and TK transgenes. The cells treated with 5-Fc and GCV together showed the maximal reduction.