1653
Transfection analyses indicated that the expression of Tbxas1 is controlled by a short ( 70 - bp ) positive regulatory sequence and several upstream repressive elements .
 GENE: Tbxas1
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: Tbxas1