25834
Additionally , MPTP significantly down - regulated Bcl - 2 expression in the mitochondria of dopaminergic cells in the SN , followed by an increase in Bax expression , cytochrome C translocation to the cytosol , andcleaved - caspase - 3 expression , whereas these were inhibited by CRE or EB treatment .
 Chemical: MPTP
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: MPTP