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In neuronal cells , following Brn - 3a gene transfection and superexpression , an increase of 30 fold of the Bcl - 2 protein occurs , leading to apoptosis protection .
 Anatomy: neuronal cells
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Anatomy 
Text: {0} 
 Entities: neuronal cells 
Answer:
 Anatomy: neuronal cells