21969
The aim of this study was to investigate the efficacy of an amphiphilic cationic cyclodextrin ( CD ) vector for effective TNF - alpha siRNA delivery to macrophage cells and to mice with induced acute - colitis .
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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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