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Using an experimental cell culture approach , overexpression of miR - 193b using synthetic microRNAs repressed STMN1 expression , whereas inhibition of miR - 193b with anti - miR oligos increased STMN1 expression in melanoma cells .
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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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