3984
Arsenic inhibits the adipogenic differentiation of mesenchymal stem cells by down - regulating peroxisome proliferator - activated receptor gamma and CCAAT enhancer - binding proteins .
 Chemical: Arsenic
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: Arsenic