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The mechanism of the induction of 3beta - HSD type 1 gene expression was further characterized in ZR - 75 - 1 human breast cancer cells .
 GENE: 3beta - HSD type 1 gene
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 GENE: 3beta - HSD type 1 gene