2009
We have recently cloned the CD14 5' upstream sequence and demonstrated its tissue-specific promoter activity .
 CD14 5' upstream sequence, CD14, tissue-specific promoter
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:
 CD14 5' upstream sequence, CD14, tissue-specific promoter