4939
BCR -induced increases in CD44 mRNA expression and transcription levels are shown to occur in EGR1 -expressing but not in nonexpressing subclones of the B-cell line WEHI-231 .
 ( cell line: B-cell line, None) , ( RNA: CD44 mRNA, None) , ( protein: EGR1, None) , ( protein: BCR, None) , ( cell line: WEHI-231, 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 line: B-cell line, None) , ( RNA: CD44 mRNA, None) , ( protein: EGR1, None) , ( protein: BCR, None) , ( cell line: WEHI-231, None) 