1366
With U937 cells , tunicamycin treatment resulted in the appearance of a 30 - 40 kDa band and increased staining of a 45 kDa band .
 Anatomy: U937 cells
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Anatomy 
Text: {0} 
 Entities: U937 cells 
Answer:
 Anatomy: U937 cells