748
Dexamethasone induced a significant rapid and sustained twofold increase in GRE binding in PBMCs from steroid-sensitive asthmatic patients and nonasthmatic individuals , but this was markedly reduced in steroid-resistant asthmatic patients .
 PBMCs, GRE
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:
 PBMCs, GRE