12277
HEK293 cells stably expressing B7 - H4 NLS mutant exhibited more potent inhibition in T - cell proliferation and cytokine production through increasing its surface expression compared with wild - type B7 - H4 transfected cells owing to their increased surface expression .
 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