1028
The tal-1 gene , frequently activated in human T-cell acute lymphoblastic leukemia ( T-ALL ), is expressed in the erythroid , megakaryocytic , and mast cell lineages during normal hematopoiesis .
 ( DNA: tal-1 gene, 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: tal-1 gene, None) 