685
A polymorphic dinucleotide repeat in the transcribed sequences of TAL1 was used to determine the allele specificity of TAL1 transcription in primary T-ALL cells .
 ( protein: TAL1, None) , ( cell type: primary T-ALL cells, None) , ( protein: TAL1, 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: TAL1, None) , ( cell type: primary T-ALL cells, None) , ( protein: TAL1, None) 