8383
In addition, the association of phosphoinositide 3-kinase with CD28 and enhanced tyrosine phosphorylation of phospholipase Cgamma were seen after anti-CD28 mAb and CHO-CD80 stimulation but to a much lesser extent after CHO-CD86 stimulation.
 ( protein: phosphoinositide 3-kinase, None) , ( protein: CHO-CD86, None) , ( protein: CD28, 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: phosphoinositide 3-kinase, None) , ( protein: CHO-CD86, None) , ( protein: CD28, None) 