15792
Co - localization of cathepsin D and EEA - 1 immunoreactivity , in turn , was found in cells exposed to AZA - 1 , indicating that the toxin blocks protein maturation at the early steps of endocytosis , causing accumulation of procathepsin D in early endosomes .
 Chemical: AZA - 1
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: AZA - 1