9819
Addition of GM-CSF to this basic cocktail consistently increased the clonogenic capacity of single CD34+Thy-1+ cells , and this effect was further enhanced (up to 72.3 +/- 4.3% on day 7) by the inclusion of TNF-alpha .
 ( cell line: single CD34+Thy-1+ cells, None) , ( protein: TNF-alpha, None) , ( protein: GM-CSF, 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 line: single CD34+Thy-1+ cells, None) , ( protein: TNF-alpha, None) , ( protein: GM-CSF, None) 