3301
These findings provide evidences that HER induces HepG2 apoptosis in a ROS - mediated mitochondria - dependent manner that correlate with the inactivation of the PI3K / Akt pathway .
 Chemical: HER
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: HER 
Answer:
 Chemical: HER