5657
Glucocorticoid treatment of pituitary cells from mid - and late - stage embryos rapidly increased ras - dva mRNA , suggesting it may be a direct transcriptional target of glucocorticoids .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None