10177
Recently, several groups have described marked alterations in signal transduction elements in T cells from cancer patients or in mice bearing tumor for a few weeks (>26 days).
 ( 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:
 ( cell type: T cells, None) 