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Peroxisome proliferator-activated receptor-alpha ( PPARalpha ), a member of the nuclear receptor family , regulates gene expression in response to certain fatty acids and fibric acid derivatives.
 cell type: Peroxisome; protein: Peroxisome proliferator-activated receptor-alpha; protein: nuclear receptor family; protein: PPARalpha
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
 Entities: Peroxisome, Peroxisome proliferator-activated receptor-alpha, nuclear receptor family, PPARalpha 
Answer:
 cell type: Peroxisome; protein: Peroxisome proliferator-activated receptor-alpha; protein: nuclear receptor family; protein: PPARalpha