4320
In addition , expression levels of TNF - alpha , p38 and ERK1 / 2 MAP kinases were increased upon neferine treatment .
 Chemical: neferine
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: neferine 
Answer:
 Chemical: neferine