8091
Analysis revealed that mutation c . 580A > G in exon 6A affects the splicing pattern resulting in an increase of transcripts containing the internal variants of exon 6A prone to nonsense - mediated decay .
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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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