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We show here that constitutively active STAT3 acts as a master regulator of cell metabolism , inducing aerobic glycolysis and down - regulating mitochondrial activity both in primary fibroblasts and in STAT3 - dependent tumour cell lines .
 Anatomy: cell; Anatomy: mitochondrial; Anatomy: fibroblasts; Anatomy: tumour 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: cell; Anatomy: mitochondrial; Anatomy: fibroblasts; Anatomy: tumour cell lines