2862
In this work , we have assayed the relative activities of AChE and BChE in membrane fractions and culture medium of three different neuronal cell lines , namely the neuroblastoma cell lines SH - SY5Y and NB7 and the mouse basal forebrain cell line SN56 .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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