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No difference of VDR retention in pulse and pulse/chase-experiments was seen in PBL , where VDR halflife was approximately 30 min.
 protein: VDR; cell type: PBL; protein: VDR
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 protein: VDR; cell type: PBL; protein: VDR