28101
We observed that cannabinoid treatment increased CB1 mRNA levels approximately 10 - fold in STHdh ( 7 / 111 ) and ( 111 / 111 ) cells , compared to vehicle treatment .
 None
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