Decoupling Behavioral Domains via Kynurenic Acid Analog Optimization Implications for Schizophrenia and Parkinson’s Disease Therapeutics /
Kynurenic acid (KYNA), a putative neuroprotective agent, modulates glutamatergic pathways in schizophrenia and Parkinson’s disease but is limited by acute motor activity impairments (e.g., ataxia). Research leveraging animal disease models explores its structure–activity relationship to enhance ther...
Elmentve itt :
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| Dokumentumtípus: | Cikk |
| Megjelent: |
2025
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| Sorozat: | CELLS
14 No. 13 |
| Tárgyszavak: | |
| doi: | 10.3390/cells14130973 |
| mtmt: | 36211233 |
| Online Access: | http://publicatio.bibl.u-szeged.hu/37116 |
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| 100 | 1 | |a Martos Diána | |
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| 300 | |a 22 | ||
| 490 | 0 | |a CELLS |v 14 No. 13 | |
| 520 | 3 | |a Kynurenic acid (KYNA), a putative neuroprotective agent, modulates glutamatergic pathways in schizophrenia and Parkinson’s disease but is limited by acute motor activity impairments (e.g., ataxia). Research leveraging animal disease models explores its structure–activity relationship to enhance therapeutic efficacy while mitigating adverse effects, addressing global neuropsychiatric disorders affecting over 1 billion people. Structural analogs of KYNA (SZR-72, SZR-73, and SZR-81) were designed to uncouple therapeutic benefits from motor toxicity; yet, systematic comparisons of their acute behavioral profiles remain unexplored. Here, we assess the motor safety, time-dependent effects, and therapeutic potential of these analogs in mice. Using acute intracerebroventricular dosing, we evaluated motor coordination (rotarod), locomotor activity (open-field), and stereotypic behaviors. KYNA induced significant ataxia and stereotypic behaviors at 15 min, resolving by 45 min. In contrast, all analogs avoided acute motor deficits, with SZR-73 maintaining baseline rotarod performance and eliciting a delayed decrease in ambulation and inquisitiveness in open-field assays. These findings demonstrate that the structural optimization of KYNA successfully mitigates motor toxicity while retaining neuromodulatory activity. Here, we show that SZR-73 emerges as a lead candidate, combining transient therapeutic effects with preserved motor coordination. This study advances the development of safer neuroactive compounds, bridging a critical gap between preclinical innovation and clinical translation. Future work must validate chronic efficacy, disease relevance, and mechanistic targets to harness the full potential of KYNA analogs in treating complex neuropsychiatric disorders. | |
| 650 | 4 | |a Általános orvostudomány | |
| 700 | 0 | 1 | |a Lőrinczi Bálint |e aut |
| 700 | 0 | 1 | |a Szatmári István |e aut |
| 700 | 0 | 1 | |a Vécsei László |e aut |
| 700 | 0 | 1 | |a Tanaka Masaru |e aut |
| 856 | 4 | 0 | |u http://publicatio.bibl.u-szeged.hu/37116/1/Cells_973_Martos_2025.pdf |z Dokumentum-elérés |