7934
In contrast, RA alone can induce G1 arrest of UF-1 cells ; however, it did not result in an increase of p21(WAF1/CIP1) and p27(KIP1) transcript and protein expression in RA -resistant cells.
 ( cell line: UF-1 cells, None) , ( protein: p27(KIP1), None) , ( protein: p21(WAF1/CIP1), 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: UF-1 cells, None) , ( protein: p27(KIP1), None) , ( protein: p21(WAF1/CIP1), None) 