Table 1

Effect of tumor necrosis factor-α on cell viability in MC3T3-E1 cells

Culture time/
optical density value (hours)
Control1 ng/mL5 ng/mL20 ng/mL100 ng/mL
24 0.860±0.0250.843±0.0560.805±0.0330.790±0.1420.613±0.137*
48 0.812±0.0530.805±0.1230.773±0.1520.734±0.045 0.547±0.173**
72 0.787±0.1040.810±0.0890.750±0.0630.587±0.245**0.398±0.067**
  • *p<0.05, **p<0.01.