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; protein: IkappaBalpha; protein: IkappaBalpha; cell type: TNF-alpha -treated T lymphocytes; protein: TNF-alpha
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
 Entities: T cells, IkappaBalpha, IkappaBalpha, TNF-alpha -treated T lymphocytes, TNF-alpha 
Answer:
 cell type: T cells; protein: IkappaBalpha; protein: IkappaBalpha; cell type: TNF-alpha -treated T lymphocytes; protein: TNF-alpha