7651
Analyses of the regulation of IkappaBalpha in TNF-alpha -treated T lymphocytes from young and elderly donors revealed severely compromised degradation of IkappaBalpha in T cells from the elderly .
 ( cell type: T cells, None) , ( protein: IkappaBalpha, None) , ( protein: IkappaBalpha, None) , ( cell type: TNF-alpha -treated T lymphocytes, None) , ( protein: TNF-alpha, 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:
 ( cell type: T cells, None) , ( protein: IkappaBalpha, None) , ( protein: IkappaBalpha, None) , ( cell type: TNF-alpha -treated T lymphocytes, None) , ( protein: TNF-alpha, None) 