Tryptophan

Tryptophan is an essential amino acid.

Importance to ME/CFS
By mediating tryptophan catabolism, the enzyme indoleamine 2,3-dioxygenase (IDO) has a complex role in immunoregulation in infection and autoimmunity.

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The 15th Conference of the International Society of Tryptophan Research was held at The University of Shiga Prefecture, which is situated in Hikone city, 30 miles east of Kyoto. The conference was a venue for tryptophan research including cancer, immunology, neuroscience, pathology, pharmacology, physiology, clinical diagnosis, nutrition, food science, analytical chemistry and L- tryptophan metabolism.