26488
These data , however , do not allow distinguishing between effects caused by beta - catenin deficiency during postnatal liver development and acute effects of beta - catenin deficiency in the adult animal at the time point of CAR activation .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None