3552
First, anti- CD45 antibodies did not affect basal but decreased activated levels of expression from the HIV-1 LTR .
 ( DNA: HIV-1 LTR, None) , ( protein: anti- CD45 antibodies, None) , ( protein: CD45, 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:
 ( DNA: HIV-1 LTR, None) , ( protein: anti- CD45 antibodies, None) , ( protein: CD45, None) 