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. 2021 Apr 5;47(5):1320–1330. doi: 10.1093/schbul/sbab029

Fig. 1.

Fig. 1.

A simplified diagrammatic representation of the kynurenine pathway (KP), experimental design and timeline. (A) The KP of tryptophan catabolism produces kynurenic acid (KYNA) from kynurenine via kynurenine aminotransferases (KATs). (B) Pregnant rat dams were fed control (ECon) or kynurenine laced (EKyn) chow from embryonic day (ED) 15 until ED 22. Sleep recordings and tissue collection for biochemical analyses were carried out in adult male and female offspring after postnatal day (PD) 56.