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A putative progestin - response element was identified in the human TSP - 1 promoter , which is consistent with the hypothesis that a progestin - PR complex might directly regulate transcription of the TSP - 1 gene in human cells .
 Anatomy: cells
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Anatomy 
Text: {0} 
Answer:
 Anatomy: cells