7724
Transfectants grown in the presence of tetracycline contained about 15,000 receptors/cell, a value approximately equal to basal level GR expression in glucocorticoid-sensitive 6TG1.1 cells before steroid treatment .
 protein: GR; cell line: Transfectants; cell line: glucocorticoid-sensitive 6TG1.1 cells
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
 Entities: GR, Transfectants, glucocorticoid-sensitive 6TG1.1 cells 
Answer:
 protein: GR; cell line: Transfectants; cell line: glucocorticoid-sensitive 6TG1.1 cells