1708
While CHOP plasmid transfection diminished p21 and phospho - Akt protein levels , CHOP siRNA transfection did not alter the protein levels .
 Chemical: phospho
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: phospho