9622
Immunological studies in human immunodeficiency virus (HIV)-positive patients suggest that the disease progression is accompanied by a defective production of type 1 cytokines ( interleukin-2 ( IL-2 ) and IL-12 ], an increased production of type 2 cytokines ( IL-4 , IL-6 , and IL-10 ), and an increased production of IgE .
 interleukin-2, IgE, IL-4, IL-12, type 2 cytokines, IL-10, IL-2, 1 cytokines, IL-6
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:
 interleukin-2, IgE, IL-4, IL-12, type 2 cytokines, IL-10, IL-2, 1 cytokines, IL-6