962
The IL-6-induced cells resemble plasma cells in ultrastructure and in reduced expression of surface MHC class II .
 IL-6-induced cells, surface MHC class II, plasma 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:
 IL-6-induced cells, surface MHC class II, plasma cells