838
In agreement with previous results ( Fig . 4 ) , in mock - electroporated neurons , ephrin - A5 incubation reduced the BDNF - mediated up - regulation of c - fos ( Fig . 6A ) , Egr1 ( Fig . 6B ) , Egr2 ( Fig . 6C ) and Arc ( Fig . 6D ) mRNA .
 Anatomy: neurons
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Anatomy 
Text: {0} 
Answer:
 Anatomy: neurons