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Updated: Apr 16, 2026

A High-performance Liquid Chromatography Measurement of Kynurenine and Kynurenic Acid: Relating Biochemistry to Cognition and Sleep in Rats
Published on: August 19, 2018
[Association of kynurenine-3-monooxygenase gene with schizophrenia]
Abstract:
Neurotoxic products produced during tryptophan metabolism via the kynurenine pathway could be involved in schizophrenia pathogenesis. It has been shown that kynurenine-3-monooxygenase (KMO) is indirectly involved in these products' formation. KMO polymorphic loci rs2275163 (C/T) and rs1053230 (A/G) were examined in 187 schizophrenia patients and 229 healthy subjects. A genetic combination of allele T and genotype GG was observed more often in a patient group compared with healthy controls (p = 0.003, OR 2.0 (95% CI 1.2-2.9). In the latter group, this combination was associated with schizophrenia endophenotype (p = 0.04), which manifested in a higher expression of schizotypal personality traits assessed using the MMPI test.
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