1660
Genetic mutation or loss of activin / transforming growth factor - beta ( TGFbeta ) receptor function has been shown in human lymphoid , breast , and colorectal tumors as well as Hep2B and Mv1Lu cell lines .
 GENE: activin; GENE: transforming growth factor - beta ( TGFbeta ) receptor
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: activin; GENE: transforming growth factor - beta ( TGFbeta ) receptor