4322
Systemic injection to mice of siRNA lipoplexes , rather than of cationic liposome , triggered a production of several cytokines in mice and replacement of plasmid by polyglutamate reduced the elevation of all assayed cytokines .
 Chemical: polyglutamate
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: polyglutamate