8850
Supplementing the data on the processing of pro-IL-16 , our results indicate the complexity of IL-16 expression , which is tightly controlled at the transcriptional and posttranslational levels in T lymphocytes .
 pro-IL-16, IL-16, T lymphocytes
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:
 pro-IL-16, IL-16, T lymphocytes