22725
We report here that i . t . delivery of protocells , with modified chemistry supporting a surface coating of DOTAP : Chol liposomes and containing the IL - 10 transgene , results in functional suppression of pain - related behavior in rats for extended periods .
 Chemical: DOTAP; Chemical: Chol
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: DOTAP; Chemical: Chol