5395
The objective of this study was to develop U937 transfectants expressing antisense VDR mRNA , and to use these to examine the role of 1,25(OH)2D3 -VDR interaction in this lineage.
 ( cell line: U937, None) , ( protein: -VDR, None) , ( RNA: VDR mRNA, 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: U937, None) , ( protein: -VDR, None) , ( RNA: VDR mRNA, None) 