5714
Additionally , inhibition of clathrin - mediated endocytosis , ERK1 / 2 , and the AP - 1 transcription factor also prevented the cannabinoid receptor - induced upregulation of beta - Arrestin 2 .
 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