2332
Although resting tonsillar B cells did not express VDR mRNA , activation of these cells with interleukin-4 induced VDR in the absence of exogenously supplemented 1 alpha,25-(OH)2D3 .
 ( RNA: VDR mRNA, None) , ( protein: VDR, None) , ( protein: interleukin-4, 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:
 ( RNA: VDR mRNA, None) , ( protein: VDR, None) , ( protein: interleukin-4, None) 