9292
Fetal and neonatal lymphocytes are relatively resistant to activation and cytokine production when stimulated either via their T-cell antigen receptors or lectins .
 lectins, T-cell antigen receptors, cytokine
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:
 lectins, T-cell antigen receptors, cytokine