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The gene expression of interferon (IFN)-inducible protein 10 ( IP-10 ) (a CXC chemokine ) was markedly augmented by the IFNgamma treatment in PMA -or RA -differentiated U937 cells , but only marginally in undifferentiated or VitD3 -treated cells .
 CXC chemokine, U937 cells, VitD3 -treated cells, IFNgamma, IP-10, interferon (IFN)-inducible protein 10
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:
 CXC chemokine, U937 cells, VitD3 -treated cells, IFNgamma, IP-10, interferon (IFN)-inducible protein 10