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The upstream regulatory element could confer T-cell specificity to the GATA-3 promoter activity , and analysis of this region revealed a 707-base pair silencer that drastically inhibited GATA-3 promoter activity in non- T-cells .
 T-cells, GATA-3 promoter, upstream regulatory element, 707-base pair silencer, GATA-3 promoter, non- T-cells
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:
 T-cells, GATA-3 promoter, upstream regulatory element, 707-base pair silencer, GATA-3 promoter, non- T-cells