18232
Autophagy is involved in prevention or provocation of apoptosis of dermal or epidermal cells of UVB - irradiated mice via modulation of intracellular metabolism , intervening the balance between cell death and survival in dermis and epidermis .
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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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