13050
Together , these data show that CrbpI loss disrupts atRA homeostasis in mammary tissue , resulting in microenvironmental defects similar to those observed at the early stages of tumorigenesis . - Pierzchalski , K . , Yu , J . , Norman , V . , Kane , M .
 Chemical: atRA
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: atRA