509
We demonstrate that cross-linking CD30 with an anti- CD30 -specific monoclonal antibody, which mimics the described biological activities of the CD30 ligand ( CD30L ), results in HIV expression .
 ( protein: CD30, None) , ( protein: CD30 ligand, None) , ( protein: CD30, None) , ( protein: CD30L, 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: CD30, None) , ( protein: CD30 ligand, None) , ( protein: CD30, None) , ( protein: CD30L, None) 