4195
Inhibition of T lymphocyte activation by cAMP is associated with down-regulation of two parallel mitogen-activated protein kinase pathways , the extracellular signal-related kinase and c-Jun N-terminal kinase .
 ( protein: c-Jun N-terminal kinase, None) , ( protein: extracellular signal-related kinase, None) , ( cell type: T lymphocyte, None) , ( protein: protein kinase, 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: c-Jun N-terminal kinase, None) , ( protein: extracellular signal-related kinase, None) , ( cell type: T lymphocyte, None) , ( protein: protein kinase, None) 