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In this study, the influence of the sequences located between -3134 and -2987 on the transcriptional activity of the proIL-1beta gene in LPS-stimulated Raw 264.7 cells was examined in detail.
 LPS-stimulated Raw 264.7 cells, proIL-1beta gene, between -3134 and -2987
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:
 LPS-stimulated Raw 264.7 cells, proIL-1beta gene, between -3134 and -2987