26056
Furthermore , uptake studies indicate that non - acidified caveolae - mediated endocytosis may be the primary route of transfection for these copolymers , suggesting that alternative approaches for increasing endosomal escape may be beneficial for enhancing transfection efficiency with these HPMA - oligolysine copolymers .
 Chemical: HPMA
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: HPMA