6765
Messenger RNA production coding for IL-8 , RANTES , and MCP-1 showed parallel variations to the production of the correspondent proteins .
 IL-8, correspondent proteins, Messenger RNA, MCP-1, RANTES
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:
 IL-8, correspondent proteins, Messenger RNA, MCP-1, RANTES