Cerebrospinal Fluid, Plasma Tryptophan, Kynurenine, and Kynurenate with Sleep Phenotypes: A Bidirectional Mendelian Randomization Analysis
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Sleep is crucial for physiological regulation in humans and essential for sustaining life. Although melatonin, an intermediate in the tryptophan (TRP)-serotonin pathway, is widely explored as a modulator of the sleep-wake cycle, the association of TRP-kynureni... ...
