7380
MATERIALS AND METHODS: Human monocytes were stimulated with PMA (50 ng/ml) alone or LPS (100 ng/ml) with and without a nonspecific serine /threonine protein kinase inhibitor staurosporine (Stauro), a specific pan- PKC inhibitor bisindolylmaleimide ( Bis ), or an inhibitor of PTK genistein ( Gen ).
 ( protein: serine /threonine protein kinase, None) , ( protein: PKC, None) , ( protein: PTK, None) , ( cell type: Human monocytes, 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: serine /threonine protein kinase, None) , ( protein: PKC, None) , ( protein: PTK, None) , ( cell type: Human monocytes, None) 