1567
To investigate the potential role of BI - 1 in promoting cell growth and tumorigenesis , in the present study we overexpressed the BI - 1 gene in NIH3T3 cells using the lentivirus - mediated gene expression system .
 Anatomy: cell; Anatomy: NIH3T3 cells
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; Anatomy: NIH3T3 cells