8844
To study the expression of IL-16 at the transcriptional level, we cloned the human chromosomal IL-16 gene and analyzed its promoter.
 human chromosomal IL-16 gene, IL-16, IL-16
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 chromosomal IL-16 gene, IL-16, IL-16