Together , these results indicate that UV -induced CYP1A1 gene expression in mammalian cells is mediated by an Ah receptor ligand formed from tryptophan .
together , these results indicate that uv -induced cyp1a1 gene expression in mammalian cells is mediated by an ah receptor ligand formed from tryptophan .
O O O O O O B-other_name O B-protein_molecule B-other_name I-other_name O B-cell_type I-cell_type O O O O B-protein_molecule I-protein_molecule O O O B-amino_acid_monomer O