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In thyroid cancer cell lines , romidepsin increases expression of both thyroglobulin and the sodium iodide symporter messenger RNAs , suggesting the possibility of improved iodine concentrating ability of RAI - resistant tumors .
 Chemical: sodium iodide; Chemical: iodine; Chemical: RAI
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: sodium iodide; Chemical: iodine; Chemical: RAI