Table 1.

Cell cycle analysis of 32D/α-ER/FLT3/ITD cells exposed to estradiol


Cell lines and treatment

G0/G1 phase, %

S phase, %

G2/M phase, %

G0/G1-to-S ratio
32D/α-ER/FLT3/ITD     
    Before estradiol treatment   57.7 ± 1.9   32.8 ± 0.5   8.1 ± 1.9   1.8 ± 0.1:1  
    24 h estradiol treatment   72.3 ± 1.2   14.9 ± 0.5   6.5 ± 0.8   4.9 ± 0.2:1  
32D/FLT3/ITD     
    Before estradiol treatment   48.1 ± 0.4   35.2 ± 0.5   15.8 ± 0.8   1.4 ± 0.02:1  
    24 h estradiol treatment
 
48.1 ± 0.8
 
34.3 ± 0.5
 
16.4 ± 1.2
 
1.4 ± 0.01:1
 

Cell lines and treatment

G0/G1 phase, %

S phase, %

G2/M phase, %

G0/G1-to-S ratio
32D/α-ER/FLT3/ITD     
    Before estradiol treatment   57.7 ± 1.9   32.8 ± 0.5   8.1 ± 1.9   1.8 ± 0.1:1  
    24 h estradiol treatment   72.3 ± 1.2   14.9 ± 0.5   6.5 ± 0.8   4.9 ± 0.2:1  
32D/FLT3/ITD     
    Before estradiol treatment   48.1 ± 0.4   35.2 ± 0.5   15.8 ± 0.8   1.4 ± 0.02:1  
    24 h estradiol treatment
 
48.1 ± 0.8
 
34.3 ± 0.5
 
16.4 ± 1.2
 
1.4 ± 0.01:1
 

Flow cytometric analysis of propidium iodide stained 32Dα-ER/FLT3/ITD and 32D/FLT3/ITD cells was performed prior to and after 24 hours of estradiol exposure. Values are the mean percentage or ratio ± SD from 3 different experiments.