1367
Promoter activity was high in cell lines that expressed high levels of endogenous D3 mRNA , as indicated by Northern blot analyses , and was significantly reduced when the promoter was truncated to - 122 bp .
 GENE: D3 mRNA
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: D3 mRNA