21544
The expressions of SOD2 ( P < 0 . 04 ) , CAT ( P < 0 . 001 ) , GPX3 ( P < 0 . 032 ) and HIF - 1 alpha protein also decreased .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None