9523
Both U alpha A and alpha B5A also failed to respond to another modulating agent, 1 alpha,25-dihydroxycholecalciferol ( DHCC ), but only U alpha S and not alpha G2S showed an enhanced response to DHCC .
 ( cell line: U alpha A, None) , ( cell line: B5A, None) , ( cell line: U alpha S, None) , ( cell line: G2S, None) , ( protein: alpha G2S, 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: U alpha A, None) , ( cell line: B5A, None) , ( cell line: U alpha S, None) , ( cell line: G2S, None) , ( protein: alpha G2S, None) 