5 aminolevulinate synthase 6 article 6 chloramphenicol acetyltransferase controlled study 6 cyclic AMP responsive element binding protein binding protein 6 gene expression 6 heme 6 hepatoma cell 6 human 6 human cell 6 phorbol 13 acetate 12 myristate 6 priority journal 6 reporter gene 6 stress activated protein kinase 6 5-Aminolevulinate Synthetase 4 Bioassay 4 Biosynthesis 4 Blotting, Western 4 Butea monosperma 4 CREB-Binding Protein 4 CREBBP protein, human 4 Cloning 4 Cloning, Molecular 4 Cyclic AMP 4 DNA flanking region 4 Dimerization 4 Dose-Response Relationship, Drug 4 Esters 4 Felis catus 4 Gene Deletion 4