4342
PILO - injected animals exhibited NPY immunoreactivity in the region of the mossy fibre terminals , in the dentate gyrus inner molecular layer and , in a few cases , within presumed granule cells .
 Chemical: PILO
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Chemical: PILO