7877
This is the first demonstration that lithium can alter gene expression of Tcf-responsive genes , and points to a difference in regulation of Wnt signaling between fibroblasts and lymphocytes .
 ( cell type: lymphocytes, None) , ( cell type: fibroblasts, None) , ( DNA: Tcf-responsive genes, 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:
 ( cell type: lymphocytes, None) , ( cell type: fibroblasts, None) , ( DNA: Tcf-responsive genes, None) 