29725
Our in situ results demonstrate for the first time epidermal biopterin accumulation together with significantly decreased epidermal catalase , thioredoxin / thioreoxin reductase , and MSRA / MSRB expression .
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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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