18855
Method : To induce EMT ( spindle - like cell morphology , loss and acquisition of expression of an epithelial marker E - cadherin and a mesenchymal marker vimentin , respectively ) in an epithelial type thyroid cancer cell line ACT - 1 , we used transforming growth factor - beta ( TGF - beta ) , BRAFV600E and / or Snail homolog 1 ( SNAI1 , also known as SNAIL ) .
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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:
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