19536
Signaling between Transforming Growth Factor beta ( TGF - beta ) and Transcription Factor SNAI2 Represses Expression of MicroRNA miR - 203 to Promote Epithelial - Mesenchymal Transition and Tumor Metastasis .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None