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In this study , we found that elevated levels of ErbB - 3 expression did not occur in the absence of AP - 2gamma in a panel of human mammary epithelial and fibroblasts cell lines .
 Anatomy: mammary epithelial; Anatomy: fibroblasts cell lines
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: mammary epithelial; Anatomy: fibroblasts cell lines