11921
Moreover , quantitative real - time PCR showed that BC downregulated the expression of antiapoptotic genes Bcl - 2 and Bcl - xL and upregulated the expression of proapoptotic Bax .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None