tokens: Collectively , this study emphasizes a critical role of Phox2a as well as its functional synergism with other transcription factors ( e.g. , CREB , AP2 , and Sp1 ) in transcriptional activation of the DBH gene .
folded_tokens: collectively , this study emphasize a critical role of phox2a as well as its functional synergism with other transcription factor ( e.g. , creb , ap2 , and sp1 ) in transcriptional activation of the dbh gene .