14362
The effect of the Tat protein constitutively expressed by these cells upon their differentiation was then evaluated by looking for the expression of the c-fos and of the c-fms proto-oncogenes which are linked to the differentiation of myelomonoblastic cells .
 ( DNA: c-fos, None) , ( cell type: myelomonoblastic cells, None) , ( DNA: c-fms proto-oncogenes, None) , ( protein: Tat protein, 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:
 ( DNA: c-fos, None) , ( cell type: myelomonoblastic cells, None) , ( DNA: c-fms proto-oncogenes, None) , ( protein: Tat protein, None) 