13907
Mn - induced neurocyte damage and alpha - synuclein oligomerization were also partially alleviated by the pretreatment with GSH and aggravated by H2O2 pretreatment .
 Mn, GSH, H2O2
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 Mn, GSH, H2O2