Table 1.

The survival of splenic CD4+CD25+ cells following lethal irradiation


Day after irradiation

Average total spleen cell no., × 106

Average % CD4+CD25+
Nonirradiated   46   1.7  
Day 1   5.2   3.3  
Day 2   2.8   2.6  
Day 3
 
0.8
 
6.1
 

Day after irradiation

Average total spleen cell no., × 106

Average % CD4+CD25+
Nonirradiated   46   1.7  
Day 1   5.2   3.3  
Day 2   2.8   2.6  
Day 3
 
0.8
 
6.1
 

The average total spleen cell number and percentage of splenic CD4+CD25+ cells were calculated for nonirradiated BALB/c mice or those that had received 850 cGy total body irradiation at day —1, —2, or —3. Data are from 5 mice in each irradiated group and 3 nonirradiated mice.

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