2008
Using FACS , Northern blotting , and nuclear run-on analyses , we demonstrate that the up-regulation of CD14 expression during monocytic cell maturation is regulated mainly at the level of gene transcription , and that new protein synthesis is required for CD14 induction .
 CD14, CD14
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, CD14