3788
We now report that vaccination with a CTL epitope derived from the human adenovirus type 5 E1A-region ( Ad5E1A234-243 ), which can serve as a target for tumor-eradicating CTL , enhances rather than inhibits the growth of Ad5E1A-expressing tumors .
 ( DNA: Ad5E1A234-243, None) , ( DNA: human adenovirus type 5 E1A-region, None) , ( cell type: tumor-eradicating CTL, 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: Ad5E1A234-243, None) , ( DNA: human adenovirus type 5 E1A-region, None) , ( cell type: tumor-eradicating CTL, None) 