2944
The fluoroquinolone antibiotic , ciprofloxacin ( cipro ), induces hyperproduction of interleukin 2 ( IL-2 ) and interferon-gamma ( IFN-gamma ) in stimulated human peripheral blood lymphocytes .
 human peripheral blood lymphocytes, interferon-gamma, IFN-gamma, interleukin 2, IL-2
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:
 human peripheral blood lymphocytes, interferon-gamma, IFN-gamma, interleukin 2, IL-2