16036
With the use of hypomorphic mice with decreased PU . 1 levels specifically in phenotypic HSCs , we found reduced HSC long - term repopulation potential that could be rescued completely by restoring PU . 1 levels .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities:  
Answer:
 None