9259
TRG downregulated the gene expressions involved with NADPH oxidase and mitochondrial electron transfer system when compared with those of the GK control group .
 Chemical: TRG; 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: TRG, NADPH 
Answer:
 Chemical: TRG; Chemical: NADPH