4857
In serum - starved NIH 3T3 cells , v - raf increased mdr1 promoter activity approximately 10 - fold compared to a v - raf frame - shift control .
 GENE: v - raf; GENE: mdr1 promoter; GENE: v - raf
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 GENE: v - raf; GENE: mdr1 promoter; GENE: v - raf