title: Regulation of tryptophan and tyrosine hydroxylase.
mesh_terms: D000818:Animals; D004790:Enzyme Induction; D006801:Humans; D018377:Neurotransmitter Agents / Q000096:biosynthesis*; D014365:Tryptophan Hydroxylase / Q000302:isolation & purification / Q000378:metabolism*; D014446:Tyrosine 3-Monooxygenase / Q000302:isolation & purification / Q000378:metabolism*
chemical_list: D018377:Neurotransmitter Agents; D014446:Tyrosine 3-Monooxygenase; D014365:Tryptophan Hydroxylase