4653
Western blotting analysis with anti-I kappa B-alpha antibody indicated that E3330 inhibited degradation of I kappa B-alpha , which is an inhibitory protein of NF-kappa B , in LPS -stimulated monocytes .
 ( protein: anti-I kappa B-alpha antibody, None) , ( protein: I kappa B-alpha, None) , ( protein: inhibitory protein, None) , ( cell line: LPS -stimulated monocytes, None) , ( protein: NF-kappa B, 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: anti-I kappa B-alpha antibody, None) , ( protein: I kappa B-alpha, None) , ( protein: inhibitory protein, None) , ( cell line: LPS -stimulated monocytes, None) , ( protein: NF-kappa B, None) 