15671
We have previously reported that NADPH oxidase 2 ( Nox2 ) is up - regulated in spinal cord microglia after spinal nerve injury , demonstrating that it is critical for microglia activation and subsequent pain hypersensitivity .
 Chemical: NADPH
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: NADPH 
Answer:
 Chemical: NADPH