14564
In contrast, there was no regulation by glucocorticoids of either the CD8 or CD4 antigens in the leukemic clone CEM C1 .
 ( protein: CD8, None) , ( cell line: leukemic clone CEM C1, None) , ( protein: CD4 antigens, None) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: RNA,cell type,protein,cell line,DNA, Arguments type: . 
Text: {0} 
Answer:
 ( protein: CD8, None) , ( cell line: leukemic clone CEM C1, None) , ( protein: CD4 antigens, None) 