1142
As signal transduction is facilitated by prooxidant conditions , we propose that the well-known immunological consequences of GSH depletion ultimately may be results of the accompanying GSSG deficiency .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 None