Figure 1From: 5-methoxyindole metabolites of L-tryptophan: control of COX-2 expression, inflammation and tumorigenesisMelatonin synthesis. Abbreviations are: TPH-2, Tryptophan hydroxylase-2; AA – DC, aromatic aminoacid decarboxylase; AA-NAT, arylalkylamine N-acetyltransferase; HIOMT, hydroxyindole O-methyltransferase.Back to article page