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Additionally, YM268 and pioglitazone showed activity of the PPARgamma ligand , a member of the nuclear receptor superfamily responsible for adipogenesis .
 PPARgamma ligand, nuclear receptor superfamily, PPARgamma
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:
 PPARgamma ligand, nuclear receptor superfamily, PPARgamma