1063
This pattern of NF-kappa B-related moieties differs from the latently infected T lymphocytic cell line ACH-2 , and from the U937 monocytic line , the parental cell line of the U1 cellular clone .
 U937 monocytic line, NF-kappa B-related moieties, latently infected T lymphocytic cell line ACH-2, U1 cellular clone, parental cell line
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:
 U937 monocytic line, NF-kappa B-related moieties, latently infected T lymphocytic cell line ACH-2, U1 cellular clone, parental cell line