10400
In addition , narZ expression was induced approximately 20 - fold intracellularly in Madin - Darby canine kidney epithelial cells and 16 - fold in intracellular salts medium , which is believed to mimic the intracellular milieu .
 GENE: narZ
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
 Entities: narZ 
Answer:
 GENE: narZ