2324
L227 induced an increase in intracellular free Ca2+ concentration ( [ Ca2+ ]i ) from the intracellular pool and little or no protein tyrosine phosphorylation , phosphatidyl inositol turnover , or expression of Egr-1 mRNA , whereas 2.06 plus GAM induced an increase in [ Ca2+ ]i from both the intracellular and, in particular, the extracellular pools .
 2.06, Egr-1 mRNA, GAM, L227
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:
 2.06, Egr-1 mRNA, GAM, L227