8524
The bare lymphocyte syndrome ( BLS ) is characterized by the absence of MHC class II transcription and humoral- and cellular- mediated immune responses to foreign antigens.
 MHC class II
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:
 MHC class II