13401
This process is shown to evolve independently of the presence of TNF , lymphotoxin alpha , or the p55TNF-R , although coexpression of a human TNF transgene accelerated pathology .
 ( protein: lymphotoxin alpha, None) , ( protein: TNF, None) , ( DNA: human TNF transgene, None) , ( protein: p55TNF-R, 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: lymphotoxin alpha, None) , ( protein: TNF, None) , ( DNA: human TNF transgene, None) , ( protein: p55TNF-R, None) 