1477
In this article we describe their biological properties , discuss the validity of the spliceosome as a therapeutic target , and propose that alteration of alternative splicing represents a viable approach for inducing tumor - selective cytotoxicity .
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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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