171
Using a HeLa cell line in which the expression of HFE is controlled by tetracycline , we show that the expression of HFE reduces 55Fe uptake from Tf by 33 % but does not affect the endocytic or exocytic rates of TfR cycling .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Disease 
Text: {0} 
 Entities:  
Answer:
 None