18505
The homozygous KIAA1279 mutations in these patients ( p . Arg90X , p . Ser200X or p . Arg202IlefsX2 ) led to nonsense - mediated mRNA decay and loss of KBP function .
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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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