Inflammatory markers, the tryptophan-kynurenine pathway, and vitamin B status after bariatric surgery
Fig 1
The kynurenine pathway of tryptophan metabolism.
IDO, indoleamine 2,3-dioxygenase; TDO, tryptophan 2,3-dioxygenase; KAT, kynurenine aminotransaminase; KMO, kynurenine 3-monooxygenase; KYNU, kynureninase; 3OH-kynurenine, 3-hydroxy kynurenine; 3OH-anthranilic acid, 3-hydroxy anthranilic acid; B6, vitamin B6 (pyridoxal 5`-phosphate); B2, vitamin B2 (flavin adenine dinucleotide).