4895
To examine the functional relationship between distinct cis - active elements within the distal enhancer region of the rat PRL gene , we have used deletional and mutational analysis of that region in transient transfection studies in GH3 pituitary tumor cells .
 GENE: rat PRL gene
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: rat PRL gene