1220
Moreover , expression of a dominant negative AP - 2 protein , AP - 2delta ( deleted residues 31 - 117 ) , not only repressed the ErbB - 3 promoter activity but also suppressed endogenous ErbB - 3 transcription in the ErbB - 3 overexpressing cell line MRC - 5VA .
 Anatomy: cell line MRC - 5VA
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Anatomy 
Text: {0} 
Answer:
 Anatomy: cell line MRC - 5VA