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Martos D, Tuka B, Tanaka M, Vécsei L, Telegdy G. Memory Enhancement with Kynurenic Acid and Its Mechanisms in Neurotransmission. Biomedicines 2022; 10:biomedicines10040849. [PMID: 35453599 PMCID: PMC9027307 DOI: 10.3390/biomedicines10040849] [Citation(s) in RCA: 33] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2022] [Revised: 03/28/2022] [Accepted: 04/02/2022] [Indexed: 02/04/2023] Open
Abstract
Kynurenic acid (KYNA) is an endogenous tryptophan (Trp) metabolite known to possess neuroprotective property. KYNA plays critical roles in nociception, neurodegeneration, and neuroinflammation. A lower level of KYNA is observed in patients with neurodegenerative diseases such as Alzheimer’s and Parkinson’s diseases or psychiatric disorders such as depression and autism spectrum disorders, whereas a higher level of KYNA is associated with the pathogenesis of schizophrenia. Little is known about the optimal concentration for neuroprotection and the threshold for neurotoxicity. In this study the effects of KYNA on memory functions were investigated by passive avoidance test in mice. Six different doses of KYNA were administered intracerebroventricularly to previously trained CFLP mice and they were observed for 24 h. High doses of KYNA (i.e., 20–40 μg/2 μL) significantly decreased the avoidance latency, whereas a low dose of KYNA (0.5 μg/2 μL) significantly elevated it compared with controls, suggesting that the low dose of KYNA enhanced memory function. Furthermore, six different receptor blockers were applied to reveal the mechanisms underlying the memory enhancement induced by KYNA. The series of tests revealed the possible involvement of the serotonergic, dopaminergic, α and β adrenergic, and opiate systems in the nootropic effect. This study confirmed that a low dose of KYNA improved a memory component of cognitive domain, which was mediated by, at least in part, four systems of neurotransmission in an animal model of learning and memory.
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Affiliation(s)
- Diána Martos
- MTA-SZTE Neuroscience Research Group, Hungarian Academy of Sciences, University of Szeged (MTA-SZTE), Semmelweis u. 6, H-6725 Szeged, Hungary; (D.M.); (B.T.); (M.T.)
| | - Bernadett Tuka
- MTA-SZTE Neuroscience Research Group, Hungarian Academy of Sciences, University of Szeged (MTA-SZTE), Semmelweis u. 6, H-6725 Szeged, Hungary; (D.M.); (B.T.); (M.T.)
| | - Masaru Tanaka
- MTA-SZTE Neuroscience Research Group, Hungarian Academy of Sciences, University of Szeged (MTA-SZTE), Semmelweis u. 6, H-6725 Szeged, Hungary; (D.M.); (B.T.); (M.T.)
| | - László Vécsei
- MTA-SZTE Neuroscience Research Group, Hungarian Academy of Sciences, University of Szeged (MTA-SZTE), Semmelweis u. 6, H-6725 Szeged, Hungary; (D.M.); (B.T.); (M.T.)
- Department of Neurology, Albert Szent-Györgyi Medical School, University of Szeged, Semmelweis u. 6, H-6725 Szeged, Hungary
- Correspondence: ; Tel.: +36-62-342-361
| | - Gyula Telegdy
- Department of Pathophysiology, Albert Szent-Györgyi Medical School, University of Szeged, Semmelweis u. 5, H-6725 Szeged, Hungary;
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General method for kinetic and thermodynamic evaluation of a receptor model peptide-drug molecule interaction studied by surface plasmon resonance. Microchem J 2019. [DOI: 10.1016/j.microc.2019.03.048] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Hudson EA, de Paula HMC, Ferreira GMD, Ferreira GMD, Hespanhol MDC, da Silva LHM, Pires ACDS. Thermodynamic and kinetic analyses of curcumin and bovine serum albumin binding. Food Chem 2018; 242:505-512. [DOI: 10.1016/j.foodchem.2017.09.092] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2017] [Revised: 08/11/2017] [Accepted: 09/18/2017] [Indexed: 10/18/2022]
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Majláth Z, Török N, Toldi J, Vécsei L. Memantine and Kynurenic Acid: Current Neuropharmacological Aspects. Curr Neuropharmacol 2016; 14:200-9. [PMID: 26564141 PMCID: PMC4825950 DOI: 10.2174/1570159x14666151113123221] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2015] [Revised: 04/22/2015] [Accepted: 12/03/2015] [Indexed: 12/31/2022] Open
Abstract
Glutamatergic neurotransmission, of special importance in the human brain, is implicated in key brain functions such as synaptic plasticity and memory. The excessive activation of N-methyl- D-aspartate (NMDA) receptors may result in excitotoxic neuronal damage; this process has been implicated in the pathomechanism of different neurodegenerative disorders, such as Alzheimer’s disease (AD). Memantine is an uncompetitive antagonist of NMDA receptors with a favorable pharmacokinetic profile, and is therefore clinically well tolerated. Memantine is approved for the treatment of AD, but may additionally be beneficial for other dementia forms and pain conditions. Kynurenic acid
(KYNA) is an endogenous antagonist of NMDA receptors which has been demonstrated under experimental conditions to be neuroprotective. The development of a well-tolerated NMDA antagonist may offer a novel therapeutic option for the treatment of neurodegenerative disease and pain syndromes. KYNA may be a valuable candidate for future drug development.
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Affiliation(s)
| | | | | | - László Vécsei
- Department of Neurology, Faculty of Medicine, University of Szeged, Albert Szent-Györgyi Clinical Center, Semmelweis u. 6. H-6725 Szeged, Hungary.
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Csapó E, Ungor D, Juhász Á, Tóth GK, Dékány I. Gold nanohybrid systems with tunable fluorescent feature: Interaction of cysteine and cysteine-containing peptides with gold in two- and three-dimensional systems. Colloids Surf A Physicochem Eng Asp 2016. [DOI: 10.1016/j.colsurfa.2016.10.003] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Thermodynamic and kinetic characterization of pH-dependent interactions between bovine serum albumin and ibuprofen in 2D and 3D systems. Colloids Surf A Physicochem Eng Asp 2016. [DOI: 10.1016/j.colsurfa.2016.05.090] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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Juhász Á, Csapó E, Ungor D, Tóth GK, Vécsei L, Dékány I. Kinetic and Thermodynamic Evaluation of Kynurenic Acid Binding to GluR1270–300 Polypeptide by Surface Plasmon Resonance Experiments. J Phys Chem B 2016; 120:7844-50. [DOI: 10.1021/acs.jpcb.6b05682] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Ádám Juhász
- MTA-SZTE Supramolecular and Nanostructured Materials Research Group and ‡Department of
Medical Chemistry, Faculty of Medicine, University of Szeged, Dóm tér 8., Szeged H-6720, Hungary
- MTA-SZTE
Neuroscience Research Group and ∥Department of Neurology, University of Szeged, Semmelweis u. 6, Szeged H-6725, Hungary
| | - Edit Csapó
- MTA-SZTE Supramolecular and Nanostructured Materials Research Group and ‡Department of
Medical Chemistry, Faculty of Medicine, University of Szeged, Dóm tér 8., Szeged H-6720, Hungary
- MTA-SZTE
Neuroscience Research Group and ∥Department of Neurology, University of Szeged, Semmelweis u. 6, Szeged H-6725, Hungary
| | - Ditta Ungor
- MTA-SZTE Supramolecular and Nanostructured Materials Research Group and ‡Department of
Medical Chemistry, Faculty of Medicine, University of Szeged, Dóm tér 8., Szeged H-6720, Hungary
- MTA-SZTE
Neuroscience Research Group and ∥Department of Neurology, University of Szeged, Semmelweis u. 6, Szeged H-6725, Hungary
| | - Gábor K. Tóth
- MTA-SZTE Supramolecular and Nanostructured Materials Research Group and ‡Department of
Medical Chemistry, Faculty of Medicine, University of Szeged, Dóm tér 8., Szeged H-6720, Hungary
- MTA-SZTE
Neuroscience Research Group and ∥Department of Neurology, University of Szeged, Semmelweis u. 6, Szeged H-6725, Hungary
| | - László Vécsei
- MTA-SZTE Supramolecular and Nanostructured Materials Research Group and ‡Department of
Medical Chemistry, Faculty of Medicine, University of Szeged, Dóm tér 8., Szeged H-6720, Hungary
- MTA-SZTE
Neuroscience Research Group and ∥Department of Neurology, University of Szeged, Semmelweis u. 6, Szeged H-6725, Hungary
| | - Imre Dékány
- MTA-SZTE Supramolecular and Nanostructured Materials Research Group and ‡Department of
Medical Chemistry, Faculty of Medicine, University of Szeged, Dóm tér 8., Szeged H-6720, Hungary
- MTA-SZTE
Neuroscience Research Group and ∥Department of Neurology, University of Szeged, Semmelweis u. 6, Szeged H-6725, Hungary
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Varga N, Csapó E, Majláth Z, Ilisz I, Krizbai IA, Wilhelm I, Knapp L, Toldi J, Vécsei L, Dékány I. Targeting of the kynurenic acid across the blood-brain barrier by core-shell nanoparticles. Eur J Pharm Sci 2016; 86:67-74. [PMID: 26924227 DOI: 10.1016/j.ejps.2016.02.012] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2015] [Revised: 01/29/2016] [Accepted: 02/21/2016] [Indexed: 11/26/2022]
Abstract
Core-shell nanoparticles (CSNPs) were developed to get over therapeutic amount of kynurenic acid (KYNA) across the blood-brain barrier (BBB). Bovine serum albumin (BSA) was used as core for encapsulation of KYNA and the BSA/KYNA composite was finally encapsulated by poly(allylamine) hydrochloride (PAH) polymer as shell. In the interest of the optimization of the synthesis the BSA and KYNA interaction was studied by two-dimensional surface plasmon resonance (SPR) technique as well. The average size of d~100 nm was proven by dynamic light scattering (DLS) and transmission electron microscopy (TEM), while the structure of the composites was characterized by fluorescence (FL) and circular dichroism (CD) spectroscopy. The in vitro release properties of KYNA were investigated by a vertical diffusion cell at 25.0 °C and 37.5 °C and the kinetic of the release were discussed. The penetration capacity of the NPs into the central nervous system (CNS) was tested by an in vitro BBB model. The results demonstrated that the encapsulated KYNA had significantly higher permeability compared to free KYNA molecules. In the neurobiological serial of in vivo experiments the effects of peripherally administered KYNA with CSNPs were studied in comparison with untreated KYNA. These results clearly proved that KYNA in the CSNPs, administrated peripherally is suitable to cross the BBB and to induce electrophysiological effects within the CNS. As the neuroprotective properties of KYNA nowadays are proven, the importance of the results is obvious.
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Affiliation(s)
- N Varga
- MTA-SZTE Supramolecular and Nanostructured Materials Research Group, Department of Medical Chemistry, Faculty of Medicine, University of Szeged, H-6720 Dóm tér 8, Szeged, Hungary
| | - E Csapó
- MTA-SZTE Supramolecular and Nanostructured Materials Research Group, Department of Medical Chemistry, Faculty of Medicine, University of Szeged, H-6720 Dóm tér 8, Szeged, Hungary
| | - Z Majláth
- Department of Neurology, University of Szeged, H-6725 Semmelweis u. 6, Szeged, Hungary
| | - I Ilisz
- Department of Inorganic and Analytical Chemistry, University of Szeged, H-6720 Dóm tér 7, Szeged, Hungary
| | - I A Krizbai
- Institute of Biophysics, Biological Research Centre of the Hungarian Academy of Sciences, H-6726 Temesvári krt. 62, Szeged, Hungary
| | - I Wilhelm
- Institute of Biophysics, Biological Research Centre of the Hungarian Academy of Sciences, H-6726 Temesvári krt. 62, Szeged, Hungary
| | - L Knapp
- Department of Physiology, Anatomy and Neuroscience, University of Szeged, H-6726 Közép fasor 52, Szeged, Hungary
| | - J Toldi
- Department of Physiology, Anatomy and Neuroscience, University of Szeged, H-6726 Közép fasor 52, Szeged, Hungary; MTA-SZTE Neuroscience Research Group, H-6725 Semmelweis u. 6, Szeged, Hungary
| | - L Vécsei
- Department of Neurology, University of Szeged, H-6725 Semmelweis u. 6, Szeged, Hungary; Department of Physiology, Anatomy and Neuroscience, University of Szeged, H-6726 Közép fasor 52, Szeged, Hungary
| | - I Dékány
- MTA-SZTE Supramolecular and Nanostructured Materials Research Group, Department of Medical Chemistry, Faculty of Medicine, University of Szeged, H-6720 Dóm tér 8, Szeged, Hungary.
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Determination of binding capacity and adsorption enthalpy between Human Glutamate Receptor (GluR1) peptide fragments and kynurenic acid by surface plasmon resonance experiments. Part 2: Interaction of GluR1270–300 with KYNA. Colloids Surf B Biointerfaces 2015; 133:66-72. [DOI: 10.1016/j.colsurfb.2015.04.044] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2015] [Revised: 04/14/2015] [Accepted: 04/20/2015] [Indexed: 11/21/2022]
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Crivianu-Gaita V, Thompson M. Immobilization of Fab’ fragments onto substrate surfaces: A survey of methods and applications. Biosens Bioelectron 2015; 70:167-80. [DOI: 10.1016/j.bios.2015.03.032] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2015] [Revised: 03/10/2015] [Accepted: 03/16/2015] [Indexed: 10/23/2022]
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