4633
Induction of CIITA and modification of in vivo HLA-DR promoter occupancy in normal thymic epithelial cells treated with IFN-gamma : similarities and distinctions with respect to HLA-DR-constitutive B cells .
 HLA-DR-constitutive B cells, HLA-DR promoter, CIITA, IFN-gamma, normal thymic epithelial cells
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 HLA-DR-constitutive B cells, HLA-DR promoter, CIITA, IFN-gamma, normal thymic epithelial cells