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As indicators of hormone-mediated gene regulation we analyzed modulation of CD23 , a common B cell/monocyte surface antigen , and 24-hydroxylase .
 ( protein: common B cell/monocyte surface antigen, None) , ( protein: 24-hydroxylase, None) , ( protein: CD23, 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:
 ( protein: common B cell/monocyte surface antigen, None) , ( protein: 24-hydroxylase, None) , ( protein: CD23, None) 