9089
POU - domain proteins , such as the pituitary - specific factor Pit - 1 , are members of the homeodomain family of proteins which are important in development and homeostasis , acting constitutively or in response to signal - transduction pathways to either repress or activate the expression of specific genes .
 GENE: POU - domain proteins; GENE: pituitary - specific factor Pit - 1; GENE: homeodomain family
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
 Entities: POU - domain proteins, pituitary - specific factor Pit - 1, homeodomain family 
Answer:
 GENE: POU - domain proteins; GENE: pituitary - specific factor Pit - 1; GENE: homeodomain family