13691
RXR , RAR , and c-erbA/TR -specific ligands were found to induce erythroid-specific gene expression and to accelerate erythroid differentiation in culture, with T3 being most effective.
 ( DNA: erythroid-specific gene, None) , ( protein: RXR, None) , ( protein: c-erbA/TR, None) , ( protein: RAR, 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: erythroid-specific gene, None) , ( protein: RXR, None) , ( protein: c-erbA/TR, None) , ( protein: RAR, None) 