14552
A total of 1 , 558 genes , consisting of 755 upregulated and 803 downregulated genes , were differentially expressed between the T3 - treated and deiodinase - knockdown 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:
 None