13021
Experiments conducted with different HIV-1 LTR -based vectors suggested that PGE2 -mediated activation effect on HIV-1 transcription was transduced via both NF-kappaB -dependent and -independent signaling pathways .
 ( DNA: HIV-1 LTR, None) , ( DNA: HIV-1 LTR -based vectors, 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) , ( DNA: HIV-1 LTR -based vectors, None) 