Table 6

DENSPM concentration of control RW-4 and mutated SPMKO cells grown in the presence of 50 μM DENSPM for time periods indicated. The values are means ± S.E.M. of triplicate cultures

Cell lineDENSPM concentration
6 h24 h48 h
pmol/106 cells
RW-4977.3  ± 29.72395.7  ± 45.52069.7  ± 143.6
SPMKO2157.0  ± 169.36-165 2457.7  ± 367.61591.0  ± 14.2
  • n.d., not detectable.

  • 6-165p < 0.001 statistical significance between drug-exposed parental and targeted cells.