Table 1: Staining with FITC-Dextran, PI or Annexin V-FITC apoptotic cells induced by a heat shock.

Cells* % stained cells
FITC-Dextran PI nnexin V Statistics (Student t test)
HeLa control 1.3±0.83 0.67±0.22 1.8±0.9
HeLa heated 79.6±5.5 % 18.2±1 42,6±3.8 p<0.001
PBMC control 1.42±0.86% 1.03±0.32 2±0.7
PBMC heated 70.3±6.2% 15±1.8% 38.9±4.5 p<0.001

*Cells were incubated at 43,5°C for 1 hour and at 37°C for 8 hours to induce apoptosis; then they were labelled with Annexin V-FITC, FITC-Dextran and PI, then analysed by flow cytometry. Control cells were unheated. The results represent the means ± S.D of 16 different samples, each tested twice