8281
Though the levels of DP 1 and -2 increase when cells progress from G0 to S , the proportion of DP1 to DP2 remains relatively constant during the cell cycle.
 DP1, DP2
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:
 DP1, DP2