Table 3

Effect of HIV Env on activation marker expression

No EnvIIIB Env
CD4+ cells expressing, %   
    CD69 78.9 56.6 
    HLA-DR 23.5 12.9 
    CD25 (IL2R-α) 60.4 31.6 
CD4 cells expressing, %   
    CD69 59.2 61.8 
    HLA-DR 43.7 41.6 
    CD25 (IL2R-α) 33.3 22.2 
No EnvIIIB Env
CD4+ cells expressing, %   
    CD69 78.9 56.6 
    HLA-DR 23.5 12.9 
    CD25 (IL2R-α) 60.4 31.6 
CD4 cells expressing, %   
    CD69 59.2 61.8 
    HLA-DR 43.7 41.6 
    CD25 (IL2R-α) 33.3 22.2 

PBMCs were exposed to control or IIIB Env expressing 293T cells and activated with anti-CD3. Expression of CD69 on day 1 and HLA-DR and CD25 on day 2 on CD4+ and CD4 T cells was determined using flow cytometry.

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