1575
Previous studies have shown that TGFbeta1 expression is upregulated in mouse keratinocytes infected with a v - rasHa retrovirus , although the functional significance of this has not been clear .
 GENE: TGFbeta1; GENE: v - rasHa
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: TGFbeta1; GENE: v - rasHa