Task: Named Entity Recognition
Input (English):  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 .
Output (English): neurons