2711
STZ treatment showed decrease expression of post synaptic markers CaMKIIa and PSD - 95 , while , expression of pre synaptic markers ( synaptophysin and SNAP - 25 ) remains unaltered indicating selective post synaptic neurotoxicity .
 Chemical: STZ; Disease: neurotoxicity
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: STZ; Disease: neurotoxicity