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These results indicate the usefulness of cycloheximide treatment in evaluating the abnormal processing of mRNA due to splice - site mutations , because ( i ) aberrant splicing often generates a premature termination codon , ( ii ) transcripts with premature termination codons can occur at low or undetectable levels due to nonsense - mediated mRNA decay , and ( iii ) the levels of these transcripts can be increased by cycloheximide .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease 
Text: {0} 
Answer:
 None