20381
The expressions of PERK , CHOP , and caspase - 3 were reduced in the endoplasmic reticulum stress - related apoptosis pathway after stachydrine treatment .
 Chemical: stachydrine
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: stachydrine 
Answer:
 Chemical: stachydrine