4615
Normal human bronchial / tracheal epithelial ( NHBE ) cells were used as an in vitro model with FasR siRNA , FasR agonistic antibody CH11 , and FasR antagonistic antibody ZB4 as investigative tools .
 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