4880
We also demonstrated that fresh leukemic cells , whatever their stage of differentiation, as well as myelomonocytic cell lines , respond to VD by an increase in RXR alpha levels.
 ( cell type: leukemic cells, None) , ( protein: RXR alpha, None) , ( cell line: myelomonocytic cell lines, 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: leukemic cells, None) , ( protein: RXR alpha, None) , ( cell line: myelomonocytic cell lines, None) 