Table 1.

Differential cytokine production by Lewis CD45RChigh and CD45RClow CD8 T cells


Experiment and CD8 T-cell subpopulation

Proliferation, CPM

IL-2, pg/mL

IFNγ, U/mL

IL-10, pg/mL

IL-4, AU

IL-13, AU
1       
CD45RChigh  29 031   2539   226   UND   34   UND  
CD45RClow  30 975   1931   279   495   1034   986  
2       
CD45RChigh  37 316   6779   617   UND   UND   UND  
CD45RClow  36 358   1986   656   787   1289   UND  
3       
CD45RChigh  ND   UND   453   UND   UND   UND  
CD45RClow  ND   UND   296   282   119   28  
4       
CD45RChigh  21 209   1070   336   UND   44   8  
CD45RClow
 
16 469
 
UND
 
98
 
603
 
372
 
77
 

Experiment and CD8 T-cell subpopulation

Proliferation, CPM

IL-2, pg/mL

IFNγ, U/mL

IL-10, pg/mL

IL-4, AU

IL-13, AU
1       
CD45RChigh  29 031   2539   226   UND   34   UND  
CD45RClow  30 975   1931   279   495   1034   986  
2       
CD45RChigh  37 316   6779   617   UND   UND   UND  
CD45RClow  36 358   1986   656   787   1289   UND  
3       
CD45RChigh  ND   UND   453   UND   UND   UND  
CD45RClow  ND   UND   296   282   119   28  
4       
CD45RChigh  21 209   1070   336   UND   44   8  
CD45RClow
 
16 469
 
UND
 
98
 
603
 
372
 
77
 

Tissue culture supernatants were collected 24 and 48 hours after stimulation with anti-TCR and anti-CD28 and were assayed for IL-2, IL-10, and IFN-γ using capture ELISA as described in “Materials and methods.” The results shown concern IL-2 production after 24 hours of stimulation and IL-10 or IFNγ production after 48 hours of stimulation. IL-4 and IL-13 mRNA were detected by RT-PCR after stimulation for 24 hours.

ND indicates not determined; UND, undetectable.

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