15300
UROtsa cells also expressed mRNA and protein for NGF and spontaneously released NGF to the medium in the course of hours ( 11 . 5 +/- 1 . 4pgNGF / mgprotein / h ) .
 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