6014
In addition , mitogen - activated protein kinase ( MAPK ) expression was decreased through the prevention of AP - 1 DNA binding , which leads to downregulation in the expression of P - gp .
 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