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However , several truncation mutations have been found to occur in the C - terminal half of PAX6 in patients with Aniridia resulting in mutant proteins that retain the DNA - binding domains but have lost most of the transactivation domain .
 Disease: Aniridia
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease 
Text: {0} 
Answer:
 Disease: Aniridia