4440
In PB mice , there was only a small deficit in the number of the hippocampal pyramidal neurons compared to controls ( 15 % , p less than 0 . 01 ) , and no deficit in the granule cells .
 None
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:  
Answer:
 None