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We show in this work that mutations in either the purine -rich region of the CLEO element or the NF-kappa B site result in reduced PMA / Ca2+ activation of a 620-bp human GM-CSF promoter- luciferase reporter construct in Jurkat T cells by 65% and 50%, respectively.
 GM-CSF, NF-kappa B, luciferase, CLEO, purine -rich region, CLEO element, NF-kappa B site, Jurkat T cells, T cells, 620-bp human GM-CSF promoter- luciferase reporter construct
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:
 GM-CSF, NF-kappa B, luciferase, CLEO, purine -rich region, CLEO element, NF-kappa B site, Jurkat T cells, T cells, 620-bp human GM-CSF promoter- luciferase reporter construct