5638
These results reveal a new link between the dopamine system , cytokine signaling pathway and regulation of gene expression via the involvement of NF-kappaB in T cells and PBMC .
 ( protein: cytokine, None) , ( protein: NF-kappaB, None) , ( cell type: PBMC, None) , ( cell type: T cells, 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: cytokine, None) , ( protein: NF-kappaB, None) , ( cell type: PBMC, None) , ( cell type: T cells, None) 