11944
Chicken NF-M transcription factor , in cooperation with either c-Myb or v-Myb , is active in the combinatorial activation of myeloid-cell-specific genes in heterologous cell types , such as embryonic fibroblasts .
 ( protein: c-Myb, None) , ( DNA: myeloid-cell-specific genes, None) , ( cell type: embryonic fibroblasts, None) , ( cell type: heterologous cell types, None) , ( protein: Chicken NF-M transcription factor, None) , ( protein: v-Myb, 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: c-Myb, None) , ( DNA: myeloid-cell-specific genes, None) , ( cell type: embryonic fibroblasts, None) , ( cell type: heterologous cell types, None) , ( protein: Chicken NF-M transcription factor, None) , ( protein: v-Myb, None) 