Evidence mapPaperPMID 41227358Full record

ArticleCells2025

Behavioral Balance in Tryptophan Turmoil: Regional Metabolic Rewiring in Kynurenine Aminotransferase II Knockout Mice.

Ágnes Szabó, Zsolt Galla, Eleonóra Spekker, Diána Martos, Mónika Szűcs, Annamária Fejes-Szabó, Ágnes Fehér, Keiko Takeda, Kinuyo Ozaki, Hiromi Inoue and 6 more

Abstract read
In one paragraph

Article in Cells, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.

0numbers the graph read from it
0cells of the map it votes in
9citing papers in PubMed
field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

9 citing papers in PubMed.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

16 authors.

Ágnes SzabóHUN-REN-SZTE Neuroscience Research Group, Hungarian Research Network, University of Szeged, Danube Neuroscience Research Laboratory, H-6725 Szeged, Hungary.ORCID 0000-0002-3435-8866
Zsolt GallaMetabolic and Newborn Screening Laboratory, Department of Pediatrics, Albert Szent-Györgyi Faculty of Medicine, University of Szeged, H-6725 Szeged, Hungary.ORCID 0000-0002-9166-1212
Eleonóra SpekkerHUN-REN-SZTE Neuroscience Research Group, Hungarian Research Network, University of Szeged, Danube Neuroscience Research Laboratory, H-6725 Szeged, Hungary.ORCID 0000-0003-0888-9353
Diána MartosHUN-REN-SZTE Neuroscience Research Group, Hungarian Research Network, University of Szeged, Danube Neuroscience Research Laboratory, H-6725 Szeged, Hungary.ORCID 0000-0001-7596-9965
Mónika SzűcsDepartment of Medical Physics and Informatics, Albert Szent-Györgyi Medical School, Faculty of Science and Informatics, University of Szeged, H-6720 Szeged, Hungary.ORCID 0000-0002-8791-9452
Annamária Fejes-SzabóHUN-REN-SZTE Neuroscience Research Group, Hungarian Research Network, University of Szeged, Danube Neuroscience Research Laboratory, H-6725 Szeged, Hungary.
Ágnes FehérDepartment of Physiology, Albert Szent-Györgyi Medical School, University of Szeged, H-6720 Szeged, Hungary.
Keiko TakedaDepartment of Biomedicine, Graduate School of Medical Sciences, Kyushu University, Fukuoka 812-8582, Japan.
Kinuyo OzakiCenter of Biomedical Research, Research Center for Human Disease Modeling, Graduate School of Medical Sciences, Kyushu University, Fukuoka 812-8582, Japan.
Hiromi InoueCenter of Biomedical Research, Research Center for Human Disease Modeling, Graduate School of Medical Sciences, Kyushu University, Fukuoka 812-8582, Japan.
Sayo YamamotoCenter of Biomedical Research, Research Center for Human Disease Modeling, Graduate School of Medical Sciences, Kyushu University, Fukuoka 812-8582, Japan.
Péter MonostoriMetabolic and Newborn Screening Laboratory, Department of Pediatrics, Albert Szent-Györgyi Faculty of Medicine, University of Szeged, H-6725 Szeged, Hungary.ORCID 0000-0003-3591-6054
József ToldiDepartment of Physiology, Anatomy and Neuroscience, Faculty of Science and Informatics, University of Szeged, H-6726 Szeged, Hungary.ORCID 0000-0001-7355-0503
Etsuro OnoDepartment of Biomedicine, Graduate School of Medical Sciences, Kyushu University, Fukuoka 812-8582, Japan.
László VécseiHUN-REN-SZTE Neuroscience Research Group, Hungarian Research Network, University of Szeged, Danube Neuroscience Research Laboratory, H-6725 Szeged, Hungary.ORCID 0000-0001-8037-3672
Masaru TanakaHUN-REN-SZTE Neuroscience Research Group, Hungarian Research Network, University of Szeged, Danube Neuroscience Research Laboratory, H-6725 Szeged, Hungary.ORCID 0000-0003-4383-4024

Funding

Hungarian Research Network TKP-2021-EGA-32JSPS Joint Research Projects under Bilateral Programs JPJSBP120203803National Research, Development, and Innovation Office NKFIH K138125SZTE SZAOK-KKA No:2022/5S729University of Szeged Open Access Fund 7571
6 · The paper itself

Abstract

backgroundCognitive, emotional, and social impairments are pervasive across neuropsychiatric conditions, where alterations in the tryptophan (Trp)-kynurenine pathway and its product kynurenic acid (KYNA) from kynurenine aminotransferases (KATs) have been linked to Alzheimer's disease, Parkinson's disease, depression, and post-traumatic stress disorder. In novel CRISPR/Cas9-engineered KAT II knockout (

objectivesDelineate domain-wide behaviors, brain oxidative/excitotoxic profiles, and pathway interactions attributable to KAT II.

resultsBehavior was unchanged across strains.

conclusionsHere, we show that KAT II deletion reshapes regional Trp metabolism and amplifies oxidative and excitotoxic imbalance. Although domain-wide behavioral measures, spanning cognition, sociability, and motor coordination, remained largely unchanged, these neurochemical alterations signify a latent emotional bias rather than overt depressive-like behavior. This work, therefore, refines prior findings by delineating KAT II-linked biochemical vulnerability as a potential substrate for stress-reactive affective dysregulation.

Indexed as

Behavior, AnimalTransaminasesTryptophanAnimalsBrainKynurenic AcidKynurenineMaleMiceMice, Inbred C57BLMice, KnockoutKynurenic AcidKynureninekynurenine-oxoglutarate transaminaseTransaminasesTryptophanaffective vulnerabilitybehavioral testdopamineemotional biasexcitotoxicitygut microbiotakynureninekynurenine aminotransferase (KAT)oxidative stressserotonintransgenic micetryptophan metabolism

Identifiers

PMID41227358
PMCPMC12607557

What Socratic holds

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Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.