29330
Peroxiredoxins are a family of six antioxidant enzymes ( PRDX1 - 6 ) , and may be an alternative system for the pancreatic beta cells to cope with oxidative stress .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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