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Expression of the wt1 gene via transient transfection in COS - 1 cells revealed a 52 kDa protein which was immunoprecipitated by both the N - terminal - and C - terminal - specific antisera .
 GENE: wt1 gene
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
 Entities: wt1 gene 
Answer:
 GENE: wt1 gene