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Gonçalves M, Rodrigues-Santos P, Januário C, Cosentino M, Pereira FC. Indoleamine 2,3-dioxygenase (IDO1) - Can dendritic cells and monocytes expressing this moonlight enzyme change the phase of Parkinson's Disease? Int Immunopharmacol 2024; 133:112062. [PMID: 38652967 DOI: 10.1016/j.intimp.2024.112062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2024] [Revised: 03/31/2024] [Accepted: 04/08/2024] [Indexed: 04/25/2024]
Abstract
Parkinson's Disease (PD) is the second most common neurodegenerative disease where central and peripheral immune dysfunctions have been pointed out as a critical component of susceptibility and progression of this disease. Dendritic cells (DCs) and monocytes are key players in promoting immune response regulation and can induce the enzyme indoleamine 2,3-dioxygenase 1 (IDO1) under pro-inflammatory environments. This enzyme with catalytic and signaling activity supports the axis IDO1-KYN-aryl hydrocarbon receptor (AhR), promoting disease-specific immunomodulatory effects. IDO1 is a rate-limiting enzyme of the kynurenine pathway (KP) that begins tryptophan (Trp) catabolism across this pathway. The immune functions of the pathway, which are extensively described in cancer, have been forgotten so far in neurodegenerative diseases, where a chronic inflammatory environment underlines the progression of the disease. Despite dysfunctions of KP have been described in PD, these are mainly associated with neurotoxic functions. With this review, we aim to focus on the immune properties of IDO1+DCs and IDO1+monocytes as a possible strategy to balance the pro-inflammatory profile described in PD. We also highlight the importance of exploring the role of dopaminergic therapeutics in IDO1 modulation to possibly optimize current PD therapeutic strategies.
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Affiliation(s)
- Milene Gonçalves
- Univ Coimbra, Coimbra Institute for Clinical and Biomedical Research (iCBR), Faculty of Medicine, Coimbra, Portugal; Univ Coimbra, Institute of Pharmacology and Experimental Therapeutics, Faculty of Medicine, Coimbra, Portugal; Univ Coimbra, CIBB - Centre for Innovative Biomedicine and Biotechnology, Coimbra, Portugal; Clinical Academic Center of Coimbra (CACC), Coimbra, Portugal; University of Coimbra, Institute for Interdisciplinary Research, Doctoral Programme in Experimental Biology and Biomedicine (PDBEB), Portugal
| | - Paulo Rodrigues-Santos
- Univ Coimbra, Institute of Immunology, Faculty of Medicine, Coimbra, Portugal; Univ Coimbra, Center for Neuroscience and Cell Biology, Coimbra, Portugal
| | - Cristina Januário
- Univ Coimbra, CIBIT - Coimbra Institute for Biomedical Imaging and Translational Research, Coimbra, Portugal
| | - Marco Cosentino
- Univ Insubria, Center for Research in Medical Pharmacology, Varese, Italy
| | - Frederico C Pereira
- Univ Coimbra, Coimbra Institute for Clinical and Biomedical Research (iCBR), Faculty of Medicine, Coimbra, Portugal; Univ Coimbra, Institute of Pharmacology and Experimental Therapeutics, Faculty of Medicine, Coimbra, Portugal; Univ Coimbra, CIBB - Centre for Innovative Biomedicine and Biotechnology, Coimbra, Portugal; Clinical Academic Center of Coimbra (CACC), Coimbra, Portugal.
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Iwaniak P, Owe-Larsson M, Urbańska EM. Microbiota, Tryptophan and Aryl Hydrocarbon Receptors as the Target Triad in Parkinson's Disease-A Narrative Review. Int J Mol Sci 2024; 25:2915. [PMID: 38474162 DOI: 10.3390/ijms25052915] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2024] [Revised: 02/22/2024] [Accepted: 02/26/2024] [Indexed: 03/14/2024] Open
Abstract
In the era of a steadily increasing lifespan, neurodegenerative diseases among the elderly present a significant therapeutic and socio-economic challenge. A properly balanced diet and microbiome diversity have been receiving increasing attention as targets for therapeutic interventions in neurodegeneration. Microbiota may affect cognitive function, neuronal survival and death, and gut dysbiosis was identified in Parkinson's disease (PD). Tryptophan (Trp), an essential amino acid, is degraded by microbiota and hosts numerous compounds with immune- and neuromodulating properties. This broad narrative review presents data supporting the concept that microbiota, the Trp-kynurenine (KYN) pathway and aryl hydrocarbon receptors (AhRs) form a triad involved in PD. A disturbed gut-brain axis allows the bidirectional spread of pro-inflammatory molecules and α-synuclein, which may contribute to the development/progression of the disease. We suggest that the peripheral levels of kynurenines and AhR ligands are strongly linked to the Trp metabolism in the gut and should be studied together with the composition of the microbiota. Such an approach can clearly delineate the sub-populations of PD patients manifesting with a disturbed microbiota-Trp-KYN-brain triad, who would benefit from modifications in the Trp metabolism. Analyses of the microbiome, Trp-KYN pathway metabolites and AhR signaling may shed light on the mechanisms of intestinal distress and identify new targets for the diagnosis and treatment in early-stage PD. Therapeutic interventions based on the combination of a well-defined food regimen, Trp and probiotics seem of potential benefit and require further experimental and clinical research.
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Affiliation(s)
- Paulina Iwaniak
- Department of Experimental and Clinical Pharmacology, Medical University of Lublin, 20-059 Lublin, Poland
| | - Maja Owe-Larsson
- Department of Histology and Embryology, Center of Biostructure Research, Medical University of Warsaw, Chałubińskiego 5, 02-004 Warsaw, Poland
- Laboratory of Center for Preclinical Research, Department of Experimental and Clinical Physiology, Medical University of Warsaw, Banacha 1B, 02-097 Warsaw, Poland
| | - Ewa M Urbańska
- Department of Experimental and Clinical Pharmacology, Medical University of Lublin, 20-059 Lublin, Poland
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Zhang H, Nagai J, Hao L, Jiang X. Identification of Key Genes and Immunological Features Associated with Copper Metabolism in Parkinson's Disease by Bioinformatics Analysis. Mol Neurobiol 2024; 61:799-811. [PMID: 37659036 DOI: 10.1007/s12035-023-03565-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2023] [Accepted: 08/07/2023] [Indexed: 09/05/2023]
Abstract
To explore diagnostic genes associated with cuproptosis in Parkinson's disease (PD) and to characterize immune cell infiltration by comprehensive bioinformatics analysis, three PD datasets were downloaded from the GEO database, two of which were merged and preprocessed as the internal training set and the remaining one as the external validation set. Based on the internal training set, differential analysis was performed to obtain differentially expressed genes (DEGs), and weighted gene co-expression network analysis (WGCNA) was conducted to obtain significant module genes. The genes obtained here were intersected to form the intersecting genes. The intersecting genes obtained from DEGs and WGCNA were intersected with cuproptosis-related genes (CRGs) to generate cuproptosis-related disease signature genes, and functional enrichment analysis was performed on Disease Ontology (DO), Gene Ontology (GO), and Kyoto Encyclopedia of Genes and Genomes (KEGG). Subsequently, LASSO analysis of the cuproptosis-related disease signature genes was performed to identify key genes and construct a diagnostic and predictive model. Then, single sample gene set enrichment analysis (ssGSEA) was performed on the internal training set to further analyze the correlation between key genes and immune cells. Lastly, the results were validated using an external validation set. A total of 405 DEGs were obtained by differential analysis, and 6 gene modules were identified by WGCNA analysis. The genes in the most significant modules were intersected with the DEGs to obtain 21 intersecting genes. The functions of the intersecting genes were mainly enriched in neurotransmitter transport, GABA-ergic synapse, synaptic vesicle cycle, serotonergic synapse, phenylalanine metabolism, tyrosine metabolism, tryptophan metabolism, etc. Subsequently, the intersecting genes were intersected with CRGs, and LASSO regression analysis was performed to screen 3 key cuproptosis-related disease signature genes, namely, SLC18A2, SLC6A3, and SV2C. The calibration curve of the nomogram model constructed based on these 3 key genes to predict PD showed good agreement, with a C-index of 0.944 and an area under the ROC (AUC) of 0.944 (0.833-1.000). It was also validated by the external dataset that the model constructed with these 3 key genes had good diagnostic and predictive power for PD. The ssGSEA analysis revealed that neutrophils might be the potential core immune cells and that SLC18A2, SLC6A3, and SV2C were significantly negatively correlated with neutrophils, which was also verified in the validation set. PD diagnosis and prediction model based on CRGs (SLC18A2, SLC6A3, and SV2C) has good diagnostic and predictive performance and could be a useful tool in the diagnosis of PD.
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Affiliation(s)
- Haofuzi Zhang
- Department of Neurosurgery, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, China
- Laboratory for Glia-Neuron Circuit Dynamics, RIKEN Center for Brain Science, Wako, 351-0198, Japan
| | - Jun Nagai
- Laboratory for Glia-Neuron Circuit Dynamics, RIKEN Center for Brain Science, Wako, 351-0198, Japan
| | - Lu Hao
- Department of Emergency, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, China.
- Department of Nursing, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, China.
| | - Xiaofan Jiang
- Department of Neurosurgery, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, China.
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Nisar S, Haris M. Neuroimaging genetics approaches to identify new biomarkers for the early diagnosis of autism spectrum disorder. Mol Psychiatry 2023; 28:4995-5008. [PMID: 37069342 DOI: 10.1038/s41380-023-02060-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Revised: 03/23/2023] [Accepted: 03/28/2023] [Indexed: 04/19/2023]
Abstract
Autism-spectrum disorders (ASDs) are developmental disabilities that manifest in early childhood and are characterized by qualitative abnormalities in social behaviors, communication skills, and restrictive or repetitive behaviors. To explore the neurobiological mechanisms in ASD, extensive research has been done to identify potential diagnostic biomarkers through a neuroimaging genetics approach. Neuroimaging genetics helps to identify ASD-risk genes that contribute to structural and functional variations in brain circuitry and validate biological changes by elucidating the mechanisms and pathways that confer genetic risk. Integrating artificial intelligence models with neuroimaging data lays the groundwork for accurate diagnosis and facilitates the identification of early diagnostic biomarkers for ASD. This review discusses the significance of neuroimaging genetics approaches to gaining a better understanding of the perturbed neurochemical system and molecular pathways in ASD and how these approaches can detect structural, functional, and metabolic changes and lead to the discovery of novel biomarkers for the early diagnosis of ASD.
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Affiliation(s)
- Sabah Nisar
- Laboratory of Molecular and Metabolic Imaging, Sidra Medicine, Doha, Qatar
- Department of Diagnostic Imaging, St Jude Children's Research Hospital, Memphis, TN, USA
| | - Mohammad Haris
- Laboratory of Molecular and Metabolic Imaging, Sidra Medicine, Doha, Qatar.
- Center for Advanced Metabolic Imaging in Precision Medicine, Department of Radiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA.
- Laboratory Animal Research Center, Qatar University, Doha, Qatar.
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de Moraes MBM, de Souza HMR, de Oliveira MLC, Peake RWA, Scalco FB, Garrett R. Combined targeted and untargeted high-resolution mass spectrometry analyses to investigate metabolic alterations in pompe disease. Metabolomics 2023; 19:29. [PMID: 36988742 DOI: 10.1007/s11306-023-01989-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Accepted: 03/05/2023] [Indexed: 03/30/2023]
Abstract
INTRODUCTION Pompe disease is a rare, lysosomal disorder, characterized by intra-lysosomal glycogen accumulation due to an impaired function of α-glucosidase enzyme. The laboratory testing for Pompe is usually performed by enzyme activity, genetic test, or urine glucose tetrasaccharide (Glc4) screening by HPLC. Despite being a good preliminary marker, the Glc4 is not specific for Pompe. OBJECTIVE The purpose of the present study was to develop a simple methodology using liquid chromatography-high resolution mass spectrometry (LC-HRMS) for targeted quantitative analysis of Glc4 combined with untargeted metabolic profiling in a single analytical run to search for complementary biomarkers in Pompe disease. METHODS We collected 21 urine specimens from 13 Pompe disease patients and compared their metabolic signatures with 21 control specimens. RESULTS Multivariate statistical analyses on the untargeted profiling data revealed Glc4, creatine, sorbitol/mannitol, L-phenylalanine, N-acetyl-4-aminobutanal, N-acetyl-L-aspartic acid, and 2-aminobenzoic acid as significantly altered in Pompe disease. This panel of metabolites increased sample class prediction (Pompe disease versus control) compared with a single biomarker. CONCLUSION This study has demonstrated the potential of combined acquisition methods in LC-HRMS for Pompe disease investigation, allowing for routine determination of an established biomarker and discovery of complementary candidate biomarkers that may increase diagnostic accuracy, or improve the risk stratification of patients with disparate clinical phenotypes.
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Affiliation(s)
- Mariana B M de Moraes
- Metabolomics Laboratory, Institute of Chemistry, Federal University of Rio de Janeiro, Av. Horácio Macedo 1281, Rio de Janeiro, RJ, 21941-598, Brazil
| | - Hygor M R de Souza
- Metabolomics Laboratory, Institute of Chemistry, Federal University of Rio de Janeiro, Av. Horácio Macedo 1281, Rio de Janeiro, RJ, 21941-598, Brazil
- Institute of Chemistry, Fluminense Federal University, Niterói, RJ, Brazil
| | - Maria L C de Oliveira
- Inborn Error of Metabolism Laboratory, Institute of Chemistry, Federal University of Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - Roy W A Peake
- Department of Laboratory Medicine, Boston Children's Hospital, Harvard Medical School, Boston, MA, USA
| | - Fernanda B Scalco
- Inborn Error of Metabolism Laboratory, Institute of Chemistry, Federal University of Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - Rafael Garrett
- Metabolomics Laboratory, Institute of Chemistry, Federal University of Rio de Janeiro, Av. Horácio Macedo 1281, Rio de Janeiro, RJ, 21941-598, Brazil.
- Department of Laboratory Medicine, Boston Children's Hospital, Harvard Medical School, Boston, MA, USA.
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Sudevan ST, Oh JM, Abdelgawad MA, Abourehab MAS, Rangarajan TM, Kumar S, Ahmad I, Patel H, Kim H, Mathew B. Introduction of benzyloxy pharmacophore into aryl/heteroaryl chalcone motifs as a new class of monoamine oxidase B inhibitors. Sci Rep 2022; 12:22404. [PMID: 36575270 PMCID: PMC9794710 DOI: 10.1038/s41598-022-26929-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Accepted: 12/21/2022] [Indexed: 12/28/2022] Open
Abstract
The inhibitory action of fifteen benzyloxy ortho/para-substituted chalcones (B1-B15) was evaluated against human monoamine oxidases (hMAOs). All the molecules inhibited hMAO-B isoform more potently than hMAO-A. Furthermore, the majority of the molecules showed strong inhibitory actions against hMAO-B at 10 μM level with residual activities of less than 50%. Compound B10 has an IC50 value of 0.067 μM, making it the most potent inhibitor of hMAO-B, trailed by compound B15 (IC50 = 0.12 μM). The thiophene substituent (B10) in the A-ring exhibited the strongest hMAO-B inhibition structurally, however, increased residue synthesis did not result in a rise in hMAO-B inhibition. In contrast, the benzyl group at the para position of the B-ring displayed more hMAO-B inhibition than the other positions. Compounds B10 and B15 had relatively high selectivity index (SI) values for hMAO-B (504.791 and 287.600, respectively). Ki values of B10 and B15 were 0.030 ± 0.001 and 0.033 ± 0.001 μM, respectively. The reversibility study showed that B10 and B15 were reversible inhibitors of hMAO-B. PAMPA assay manifested that the benzyloxy chalcones (B10 and B15) had a significant permeability and CNS bioavailability with Pe value higher than 4.0 × 10-6 cm/s. Both compounds were stabilized in protein-ligand complexes by the π-π stacking, which enabled them to bind to the hMAO-B enzyme's active site incredibly effectively. The hMAO-B was stabilized by B10- and B15-hMAO-B complexes, with binding energies of - 74.57 and - 87.72 kcal/mol, respectively. Using a genetic algorithm and multiple linear regression, the QSAR model was created. Based on the best 2D and 3D descriptor-based QSAR model, the following statistics were displayed: R2 = 0.9125, Q2loo = 0.8347. These findings imply that B10 and B15 are effective, selective, and reversible hMAO-B inhibitors.
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Affiliation(s)
- Sachithra Thazhathuveedu Sudevan
- grid.411370.00000 0000 9081 2061Department of Pharmaceutical Chemistry, Amrita School of Pharmacy, Amrita Vishwa Vidyapeetham, AIMS Health Sciences Campus, Kochi, 682 041 India
| | - Jong Min Oh
- grid.412871.90000 0000 8543 5345Department of Pharmacy, and Research Institute of Life Pharmaceutical Sciences, Sunchon National University, Suncheon, 57922 Republic of Korea
| | - Mohamed A. Abdelgawad
- grid.440748.b0000 0004 1756 6705Department of Pharmaceutical Chemistry, College of Pharmacy, Jouf University, Sakaka, 72341 Saudi Arabia ,grid.411662.60000 0004 0412 4932Pharmaceutical Organic Chemistry Department, Faculty of Pharmacy, Beni-Suef University, Beni-Suef, 62514 Egypt
| | - Mohammed A. S. Abourehab
- grid.412832.e0000 0000 9137 6644Department of Pharmaceutics, College of Pharmacy, Umm Al-Qura University, Makkah, 21955 Saudi Arabia
| | - T. M. Rangarajan
- grid.8195.50000 0001 2109 4999Department of Chemistry, Sri Venketeswara College, University of Delhi, New Delhi, 110021 India
| | - Sunil Kumar
- grid.411370.00000 0000 9081 2061Department of Pharmaceutical Chemistry, Amrita School of Pharmacy, Amrita Vishwa Vidyapeetham, AIMS Health Sciences Campus, Kochi, 682 041 India
| | - Iqrar Ahmad
- Department of Pharmaceutical Chemistry, Prof. Ravindra Nikam College of Pharmacy, Gondur, Dhule, 424002 Maharashtra India
| | - Harun Patel
- grid.412233.50000 0001 0641 8393Division of Computer Aided Drug Design, Department of Pharmaceutical Chemistry, R. C. Patel Institute of Pharmaceutical Education and Research, Shirpur, 425405 Maharashtra India
| | - Hoon Kim
- grid.412871.90000 0000 8543 5345Department of Pharmacy, and Research Institute of Life Pharmaceutical Sciences, Sunchon National University, Suncheon, 57922 Republic of Korea
| | - Bijo Mathew
- grid.411370.00000 0000 9081 2061Department of Pharmaceutical Chemistry, Amrita School of Pharmacy, Amrita Vishwa Vidyapeetham, AIMS Health Sciences Campus, Kochi, 682 041 India
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Gątarek P, Sekulska-Nalewajko J, Bobrowska-Korczaka B, Pawełczyk M, Jastrzębski K, Głąbiński A, Kałużna-Czaplińska J. Plasma Metabolic Disturbances in Parkinson's Disease Patients. Biomedicines 2022; 10:biomedicines10123005. [PMID: 36551761 PMCID: PMC9775245 DOI: 10.3390/biomedicines10123005] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Revised: 11/15/2022] [Accepted: 11/18/2022] [Indexed: 11/24/2022] Open
Abstract
Plasma from patients with Parkinson's disease (PD) is a valuable source of information indicating altered metabolites associated with the risk or progression of the disease. Neurotoxicity of dopaminergic neurons, which is triggered by aggregation of α-synuclein, is the main pathogenic feature of PD. However, a growing body of scientific reports indicates that metabolic changes may precede and directly contribute to neurodegeneration. Identification and characterization of the abnormal metabolic pattern in patients' plasma are therefore crucial for the search for potential PD biomarkers. The aims of the present study were (1) to identify metabolic alterations in plasma metabolome in subjects with PD as compared with the controls; (2) to find new potential markers, some correlations among them; (3) to identify metabolic pathways relevant to the pathophysiology of PD. Plasma samples from patients with PD (n = 25) and control group (n = 12) were collected and the gas chromatography-time-of-flight-mass spectrometry GC-TOFMS-based metabolomics approach was used to evaluate the metabolic changes based on the identified 14 metabolites with significantly altered levels using univariate and multivariate statistical analysis. The panel, including 6 metabolites (L-3-methoxytyrosine, aconitic acid, L-methionine, 13-docosenamide, hippuric acid, 9,12-octadecadienoic acid), was identified to discriminate PD from controls with the area under the curve (AUC) of 0.975, with an accuracy of 92%. We also used statistical criteria to identify the significantly altered level of metabolites. The metabolic pathways involved were associated with linoleic acid metabolism, mitochondrial electron transport chain, glycerolipid metabolism, and bile acid biosynthesis. These abnormal metabolic changes in the plasma of patients with PD were mainly related to the amino acid metabolism, TCA cycle metabolism, and mitochondrial function.
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Affiliation(s)
- Paulina Gątarek
- Institute of General and Ecological Chemistry, Faculty of Chemistry, Lodz University of Technology, 90-924 Lodz, Poland
- CONEM Poland Chemistry and Nutrition Research Group, Lodz University of Technology, 90-924 Lodz, Poland
- Correspondence: (P.G.); (J.K.-C.); Tel.: +48-426-313-091 (J.K.-C.); Fax: +48-426-313-128 (J.K.-C.)
| | | | | | - Małgorzata Pawełczyk
- Department of Neurology and Stroke, Medical University of Lodz, 90-549 Lodz, Poland
| | - Karol Jastrzębski
- Department of Neurology and Stroke, Medical University of Lodz, 90-549 Lodz, Poland
| | - Andrzej Głąbiński
- Department of Neurology and Stroke, Medical University of Lodz, 90-549 Lodz, Poland
| | - Joanna Kałużna-Czaplińska
- Institute of General and Ecological Chemistry, Faculty of Chemistry, Lodz University of Technology, 90-924 Lodz, Poland
- CONEM Poland Chemistry and Nutrition Research Group, Lodz University of Technology, 90-924 Lodz, Poland
- Correspondence: (P.G.); (J.K.-C.); Tel.: +48-426-313-091 (J.K.-C.); Fax: +48-426-313-128 (J.K.-C.)
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Fisette A, Sergi D, Breton-Morin A, Descôteaux S, Martinoli MG. New Insights on the Role of Bioactive Food Derivatives in Neurodegeneration and Neuroprotection. Curr Pharm Des 2022; 28:3068-3081. [PMID: 36121075 DOI: 10.2174/1381612828666220919085742] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Accepted: 07/30/2022] [Indexed: 01/28/2023]
Abstract
Over the last three decades, neurodegenerative diseases have received increasing attention due to their frequency in the aging population and the social and economic burdens they are posing. In parallel, an era's worth of research in neuroscience has shaped our current appreciation of the complex relationship between nutrition and the central nervous system. Particular branches of nutrition continue to galvanize neuroscientists, in particular the diverse roles that bioactive food derivatives play on health and disease. Bioactive food derivatives are nowadays recognized to directly impact brain homeostasis, specifically with respect to their actions on cellular mechanisms of oxidative stress, neuroinflammation, mitochondrial dysfunction, apoptosis and autophagy. However, ambiguities still exist regarding the significance of the influence of bioactive food derivatives on human health. In turn, gut microbiota dysbiosis is emerging as a novel player in the pathogenesis of neurodegenerative diseases. Currently, several routes of communication exist between the gut and the brain, where molecules are either released in the bloodstream or directly transported to the CNS. As such, bioactive food derivatives can modulate the complex ecosystem of the gut-brain axis, thus, targeting this communication network holds promises as a neuroprotective tool. This review aims at addressing one of the emerging aspects of neuroscience, particularly the interplay between food bioactive derivatives and neurodegeneration. We will specifically address the role that polyphenols and omega-3 fatty acids play in preventing neurodegenerative diseases and how dietary intervention complements available pharmacological approaches.
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Affiliation(s)
- Alexandre Fisette
- Department of Medical Biology, Université du Québec à Trois-Rivières, Trois-Rivières, Qc., Canada
| | - Domenico Sergi
- Department of Translational Medicine, University di Ferrara, Ferrara, Italy
| | - Alyssa Breton-Morin
- Department of Medical Biology, Université du Québec à Trois-Rivières, Trois-Rivières, Qc., Canada
| | - Savanah Descôteaux
- Department of Medical Biology, Université du Québec à Trois-Rivières, Trois-Rivières, Qc., Canada
| | - Maria-Grazia Martinoli
- Department of Medical Biology, Université du Québec à Trois-Rivières, Trois-Rivières, Qc., Canada.,Department of Psychiatry and Neuroscience, U. Laval and CHU Research Center, Québec, Canada
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The Role of Tryptophan Dysmetabolism and Quinolinic Acid in Depressive and Neurodegenerative Diseases. Biomolecules 2022; 12:biom12070998. [PMID: 35883554 PMCID: PMC9313172 DOI: 10.3390/biom12070998] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Revised: 07/04/2022] [Accepted: 07/14/2022] [Indexed: 02/04/2023] Open
Abstract
Emerging evidence suggests that neuroinflammation is involved in both depression and neurodegenerative diseases. The kynurenine pathway, generating metabolites which may play a role in pathogenesis, is one of several competing pathways of tryptophan metabolism. The present article is a narrative review of tryptophan metabolism, neuroinflammation, depression, and neurodegeneration. A disturbed tryptophan metabolism with increased activity of the kynurenine pathway and production of quinolinic acid may result in deficiencies in tryptophan and derived neurotransmitters. Quinolinic acid is an N-methyl-D-aspartate receptor agonist, and raised levels in CSF, together with increased levels of inflammatory cytokines, have been reported in mood disorders. Increased quinolinic acid has also been observed in neurodegenerative diseases, including Parkinson’s disease, Alzheimer’s disease, amyotrophic lateral sclerosis, and HIV-related cognitive decline. Oxidative stress in connection with increased indole-dioxygenase (IDO) activity and kynurenine formation may contribute to inflammatory responses and the production of cytokines. Increased formation of quinolinic acid may occur at the expense of kynurenic acid and neuroprotective picolinic acid. While awaiting ongoing research on potential pharmacological interventions on tryptophan metabolism, adequate protein intake with appropriate amounts of tryptophan and antioxidants may offer protection against oxidative stress and provide a balanced set of physiological receptor ligands.
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Rodrigues JA, Narasimhamurthy RK, Joshi MB, Dsouza HS, Mumbrekar KD. Pesticides Exposure-Induced Changes in Brain Metabolome: Implications in the Pathogenesis of Neurodegenerative Disorders. Neurotox Res 2022; 40:1539-1552. [PMID: 35781222 PMCID: PMC9515138 DOI: 10.1007/s12640-022-00534-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 06/11/2022] [Accepted: 06/13/2022] [Indexed: 11/25/2022]
Abstract
Pesticides have been used in agriculture, public health programs, and pharmaceuticals for many decades. Though pesticides primarily target pests by affecting their nervous system and causing other lethal effects, these chemical entities also exert toxic effects in inadvertently exposed humans through inhalation or ingestion. Mounting pieces of evidence from cellular, animal, and clinical studies indicate that pesticide-exposed models display metabolite alterations of pathways involved in neurodegenerative diseases. Hence, identifying common key metabolites/metabolic pathways between pesticide-induced metabolic reprogramming and neurodegenerative diseases is necessary to understand the etiology of pesticides in the rise of neurodegenerative disorders. The present review provides an overview of specific metabolic pathways, including tryptophan metabolism, glutathione metabolism, dopamine metabolism, energy metabolism, mitochondrial dysfunction, fatty acids, and lipid metabolism that are specifically altered in response to pesticides. Furthermore, we discuss how these metabolite alterations are linked to the pathogenesis of neurodegenerative diseases and to identify novel biomarkers for targeted therapeutic approaches.
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Affiliation(s)
- Joel Arvin Rodrigues
- Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, India, 576104
| | - Rekha K Narasimhamurthy
- Department of Radiation Biology and Toxicology, Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, India, 576104
| | - Manjunath B Joshi
- Department of Ageing Research, Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, India, 576104
| | - Herman Sunil Dsouza
- Department of Radiation Biology and Toxicology, Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, India, 576104
| | - Kamalesh Dattaram Mumbrekar
- Department of Radiation Biology and Toxicology, Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, India, 576104.
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Konjevod M, Sáiz J, Barbas C, Bergareche A, Ardanaz E, Huerta JM, Vinagre-Aragón A, Erro ME, Chirlaque MD, Abilleira E, Ibarluzea JM, Amiano P. A Set of Reliable Samples for the Study of Biomarkers for the Early Diagnosis of Parkinson's Disease. Front Neurol 2022; 13:844841. [PMID: 35707037 PMCID: PMC9189395 DOI: 10.3389/fneur.2022.844841] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2021] [Accepted: 04/19/2022] [Indexed: 11/30/2022] Open
Abstract
Background Parkinson's disease (PD) is a progressive neurodegenerative disorder, diagnosed according to the clinical criteria that occur in already advanced stages of PD. The definition of biomarkers for the early diagnosis of PD represents a challenge that might improve treatment and avoid complications in this disease. Therefore, we propose a set of reliable samples for the identification of altered metabolites to find potential prognostic biomarkers for early PD. Methods This case–control study included plasma samples of 12 patients with PD and 21 control subjects, from the Spanish European Prospective Investigation into Cancer and Nutrition (EPIC)-Navarra cohort, part of the EPIC-Spain study. All the case samples were provided by healthy volunteers who were followed-up for 15.9 (±4.1) years and developed PD disease later on, after the sample collection. Liquid chromatography coupled to tandem mass spectrometry was used for the analysis of samples. Results Out of 40 that were selected and studied due to their involvement in established cases of PD, seven significantly different metabolites between PD cases and healthy control subjects were obtained in this study (benzoic acid, palmitic acid, oleic acid, stearic acid, myo-inositol, sorbitol, and quinolinic acid). These metabolites are related to mitochondrial dysfunction, the oxidative stress, and the mechanisms of energy production. Conclusion We propose the samples from the EPIC study as reliable and invaluable samples for the search of early biomarkers of PD. Likewise, this study might also be a starting point in the establishment of a well-founded panel of metabolites that can be used for the early detection of this disease.
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Affiliation(s)
- Marcela Konjevod
- Division of Molecular Medicine, Rudjer Boskovic Institute, Zagreb, Croatia
- Facultad de Farmacia, Centro de Metabolómica y Bioanálisis, Universidad San Pablo-CEU, CEU Universities, Madrid, Spain
| | - Jorge Sáiz
- Facultad de Farmacia, Centro de Metabolómica y Bioanálisis, Universidad San Pablo-CEU, CEU Universities, Madrid, Spain
- *Correspondence: Jorge Sáiz
| | - Coral Barbas
- Facultad de Farmacia, Centro de Metabolómica y Bioanálisis, Universidad San Pablo-CEU, CEU Universities, Madrid, Spain
| | - Alberto Bergareche
- Department of Neurology, University Hospital Donostia, San Sebastián, Spain
- Neuroscience Area, Biodonostia Health Research Institute, San Sebastián, Spain
- Biomedical Research Networking Centre Consortium for the Area of Neurodegenerative Diseases (CIBERNED), Instituto de Salud Carlos III, Madrid, Spain
- Alberto Bergareche
| | - Eva Ardanaz
- Navarra Public Health Institute, Pamplona, Spain
- Navarra Institute for Health Research (IdiSNA), Pamplona, Spain
- Spanish Consortium for Research on Epidemiology and Public Health (CIBERESP), Instituto de Salud Carlos III, Madrid, Spain
| | - José Ma Huerta
- Spanish Consortium for Research on Epidemiology and Public Health (CIBERESP), Instituto de Salud Carlos III, Madrid, Spain
- Instituto Murciano de Investigación Biosanitaria, Murcia, Spain
| | - Ana Vinagre-Aragón
- Department of Neurology, University Hospital Donostia, San Sebastián, Spain
| | - Ma Elena Erro
- Navarra Institute for Health Research (IdiSNA), Pamplona, Spain
- Department of Neurology, Navarra Hospital Complex, Pamplona, Spain
| | - Ma Dolores Chirlaque
- Spanish Consortium for Research on Epidemiology and Public Health (CIBERESP), Instituto de Salud Carlos III, Madrid, Spain
- Instituto Murciano de Investigación Biosanitaria, Murcia, Spain
| | - Eunate Abilleira
- Ministry of Health of the Basque Government, Public Health Laboratory in Gipuzkoa, San Sebastián, Spain
- Epidemiology of Chronic and Comunnicable Diseases Area, Biodonostia Health Research Institute, San Sebastián, Spain
| | - Jesús Ma Ibarluzea
- Spanish Consortium for Research on Epidemiology and Public Health (CIBERESP), Instituto de Salud Carlos III, Madrid, Spain
- Ministry of Health of the Basque Government, Sub Directorate for Public Health and Addictions of Gipuzkoa, San Sebastián, Spain
- Environmental Epidemiology and Child Development Area, Biodonostia Health Research Institute, San Sebastián, Spain
- Faculty of Psychology, University of the Basque Country UPV/EHU, San Sebastian, Spain
| | - Pilar Amiano
- Spanish Consortium for Research on Epidemiology and Public Health (CIBERESP), Instituto de Salud Carlos III, Madrid, Spain
- Ministry of Health of the Basque Government, Public Health Laboratory in Gipuzkoa, San Sebastián, Spain
- Epidemiology of Chronic and Comunnicable Diseases Area, Biodonostia Health Research Institute, San Sebastián, Spain
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12
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Solana-Manrique C, Sanz FJ, Torregrosa I, Palomino-Schätzlein M, Hernández-Oliver C, Pineda-Lucena A, Paricio N. Metabolic Alterations in a Drosophila Model of Parkinson's Disease Based on DJ-1 Deficiency. Cells 2022; 11:cells11030331. [PMID: 35159141 PMCID: PMC8834223 DOI: 10.3390/cells11030331] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Revised: 01/14/2022] [Accepted: 01/17/2022] [Indexed: 12/13/2022] Open
Abstract
Parkinson’s disease (PD) is the second-most common neurodegenerative disorder, whose physiopathology is still unclear. Moreover, there is an urgent need to discover new biomarkers and therapeutic targets to facilitate its diagnosis and treatment. Previous studies performed in PD models and samples from PD patients already demonstrated that metabolic alterations are associated with this disease. In this context, the aim of this study is to provide a better understanding of metabolic disturbances underlying PD pathogenesis. To achieve this goal, we used a Drosophila PD model based on inactivation of the DJ-1β gene (ortholog of human DJ-1). Metabolomic analyses were performed in 1-day-old and 15-day-old DJ-1β mutants and control flies using 1H nuclear magnetic resonance spectroscopy, combined with expression and enzymatic activity assays of proteins implicated in altered pathways. Our results showed that the PD model flies exhibited protein metabolism alterations, a shift fromthe tricarboxylic acid cycle to glycolytic pathway to obtain ATP, together with an increase in the expression of some urea cycle enzymes. Thus, these metabolic changes could contribute to PD pathogenesis and might constitute possible therapeutic targets and/or biomarkers for this disease.
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Affiliation(s)
- Cristina Solana-Manrique
- Departamento de Genética, Facultad CC Biológicas, Instituto Universitario de Biotecnología y Biomedicina (BIOTECMED), Universidad de Valencia, 46100 Burjassot, Spain; (C.S.-M.); (F.J.S.); (I.T.)
| | - Francisco José Sanz
- Departamento de Genética, Facultad CC Biológicas, Instituto Universitario de Biotecnología y Biomedicina (BIOTECMED), Universidad de Valencia, 46100 Burjassot, Spain; (C.S.-M.); (F.J.S.); (I.T.)
| | - Isabel Torregrosa
- Departamento de Genética, Facultad CC Biológicas, Instituto Universitario de Biotecnología y Biomedicina (BIOTECMED), Universidad de Valencia, 46100 Burjassot, Spain; (C.S.-M.); (F.J.S.); (I.T.)
| | | | - Carolina Hernández-Oliver
- Instituto de Investigación Sanitaria La Fe, Hospital Universitario y Politécnico La Fe, 46026 Valencia, Spain; (C.H.-O.); (A.P.-L.)
| | - Antonio Pineda-Lucena
- Instituto de Investigación Sanitaria La Fe, Hospital Universitario y Politécnico La Fe, 46026 Valencia, Spain; (C.H.-O.); (A.P.-L.)
- Programa de Terapias Moleculares, Centro de Investigación Médica Aplicada, Universidad de Navarra, 31008 Pamplona, Spain
| | - Nuria Paricio
- Departamento de Genética, Facultad CC Biológicas, Instituto Universitario de Biotecnología y Biomedicina (BIOTECMED), Universidad de Valencia, 46100 Burjassot, Spain; (C.S.-M.); (F.J.S.); (I.T.)
- Correspondence: ; Tel.: +34-96-354-3005; Fax: +34-96-354-3029
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13
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Ostapiuk A, Urbanska EM. Kynurenic acid in neurodegenerative disorders-unique neuroprotection or double-edged sword? CNS Neurosci Ther 2022; 28:19-35. [PMID: 34862742 PMCID: PMC8673711 DOI: 10.1111/cns.13768] [Citation(s) in RCA: 31] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2021] [Revised: 10/27/2021] [Accepted: 11/02/2021] [Indexed: 12/24/2022] Open
Abstract
AIMS The family of kynurenine pathway (KP) metabolites includes compounds produced along two arms of the path and acting in clearly opposite ways. The equilibrium between neurotoxic kynurenines, such as 3-hydroxykynurenine (3-HK) or quinolinic acid (QUIN), and neuroprotective kynurenic acid (KYNA) profoundly impacts the function and survival of neurons. This comprehensive review summarizes accumulated evidence on the role of KYNA in Alzheimer's, Parkinson's and Huntington's diseases, and discusses future directions of potential pharmacological manipulations aimed to modulate brain KYNA. DISCUSSION The synthesis of specific KP metabolites is tightly regulated and may considerably vary under physiological and pathological conditions. Experimental data consistently imply that shift of the KP to neurotoxic branch producing 3-HK and QUIN formation, with a relative or absolute deficiency of KYNA, is an important factor contributing to neurodegeneration. Targeting specific brain regions to maintain adequate KYNA levels seems vital; however, it requires the development of precise pharmacological tools, allowing to avoid the potential cognitive adverse effects. CONCLUSIONS Boosting KYNA levels, through interference with the KP enzymes or through application of prodrugs/analogs with high bioavailability and potency, is a promising clinical approach. The use of KYNA, alone or in combination with other compounds precisely influencing specific populations of neurons, is awaiting to become a significant therapy for neurodegenerative disorders.
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Affiliation(s)
- Aleksandra Ostapiuk
- Laboratory of Cellular and Molecular PharmacologyDepartment of Experimental and Clinical PharmacologyMedical University of LublinLublinPoland
- Present address:
Department of Clinical Digestive OncologyKU LeuvenLeuvenBelgium
| | - Ewa M. Urbanska
- Laboratory of Cellular and Molecular PharmacologyDepartment of Experimental and Clinical PharmacologyMedical University of LublinLublinPoland
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14
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Endepols H, Zlatopolskiy BD, Zischler J, Alavinejad N, Apetz N, Vus S, Drzezga A, Neumaier B. Imaging of cerebral tryptophan metabolism using 7-[ 18F]FTrp-PET in a unilateral Parkinsonian rat model. Neuroimage 2021; 247:118842. [PMID: 34942366 DOI: 10.1016/j.neuroimage.2021.118842] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Revised: 11/30/2021] [Accepted: 12/19/2021] [Indexed: 10/19/2022] Open
Abstract
Degradation products of the essential amino acid tryptophan (Trp) are important signaling molecules in the mammalian brain. Trp is metabolized either through the kynurenine pathway or enters serotonin and melatonin syntheses. The aim of the present work was to examine the potential of the novel PET tracer 7-[18F]fluorotryptophan ([18F]FTrp) to visualize all three pathways in a unilateral 6-OHDA rat model. [18F]FDOPA-PET scans were performed in nine 6-OHDA-injected and six sham-operated rats to assess unilateral dopamine depletion severity four weeks after lesion placement. Afterwards, 7-[18F]FTrp-PET scans were conducted at different timepoints up to seven months after 6-OHDA injection. In addition, two 6-OHDA-injected rats were examined for neuroinflammation using [18F]DAA1106-PET. 7-[18F]FTrp-PET showed significantly increased tracer uptake at the 6-OHDA injection site which was negatively correlated to time after lesion placement. Accumulation of [18F]DAA1106 at the injection site was increased as well, suggesting that 7-[18F]FTrp uptake in this region may reflect kynurenine pathway activity associated with inflammation. Bilaterally in the dorsal hippocampus, 7-[18F]FTrp uptake was significantly decreased and was inversely correlated to dopamine depletion severity, indicating that it reflects reduced serotonin synthesis. Finally, 7-[18F]FTrp uptake in the pineal gland was significantly increased in relation with dopamine depletion severity, providing evidence that melatonin synthesis is increased in the 6-OHDA rat model. We conclude that 7-[18F]FTrp is able to detect alterations in both serotonin/melatonin and kynurenine metabolic pathways, and can be applied to visualize pathologic changes related to neurodegenerative processes.
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Affiliation(s)
- Heike Endepols
- University of Cologne, Faculty of Medicine and University Hospital Cologne, Institute of Radiochemistry and Experimental Molecular Imaging, Kerpener Str. 62, 50937 Cologne, Germany; University of Cologne, Faculty of Medicine and University Hospital Cologne, Department of Nuclear Medicine, Kerpener Str. 62, 50937 Cologne, Germany; Forschungszentrum Jülich GmbH, Institute of Neuroscience and Medicine, Nuclear Chemistry (INM-5), Wilhelm-Johnen-Straße, 52425 Jülich, Germany.
| | - Boris D Zlatopolskiy
- University of Cologne, Faculty of Medicine and University Hospital Cologne, Institute of Radiochemistry and Experimental Molecular Imaging, Kerpener Str. 62, 50937 Cologne, Germany; Forschungszentrum Jülich GmbH, Institute of Neuroscience and Medicine, Nuclear Chemistry (INM-5), Wilhelm-Johnen-Straße, 52425 Jülich, Germany.
| | - Johannes Zischler
- University of Cologne, Faculty of Medicine and University Hospital Cologne, Institute of Radiochemistry and Experimental Molecular Imaging, Kerpener Str. 62, 50937 Cologne, Germany; Forschungszentrum Jülich GmbH, Institute of Neuroscience and Medicine, Nuclear Chemistry (INM-5), Wilhelm-Johnen-Straße, 52425 Jülich, Germany
| | - Nazanin Alavinejad
- University of Cologne, Faculty of Medicine and University Hospital Cologne, Institute of Radiochemistry and Experimental Molecular Imaging, Kerpener Str. 62, 50937 Cologne, Germany.
| | - Nadine Apetz
- University of Cologne, Faculty of Medicine and University Hospital Cologne, Institute of Radiochemistry and Experimental Molecular Imaging, Kerpener Str. 62, 50937 Cologne, Germany.
| | - Stefanie Vus
- University of Cologne, Faculty of Medicine and University Hospital Cologne, Institute of Radiochemistry and Experimental Molecular Imaging, Kerpener Str. 62, 50937 Cologne, Germany; Forschungszentrum Jülich GmbH, Institute of Neuroscience and Medicine, Nuclear Chemistry (INM-5), Wilhelm-Johnen-Straße, 52425 Jülich, Germany.
| | - Alexander Drzezga
- University of Cologne, Faculty of Medicine and University Hospital Cologne, Department of Nuclear Medicine, Kerpener Str. 62, 50937 Cologne, Germany; German Center for Neurodegenerative Diseases (DZNE), Bonn-Cologne, Germany; Forschungszentrum Jülich GmbH, Institute of Neuroscience and Medicine, Molecular Organization of the Brain (INM-2), Wilhelm-Johnen-Straße, 52425 Jülich, Germany.
| | - Bernd Neumaier
- University of Cologne, Faculty of Medicine and University Hospital Cologne, Institute of Radiochemistry and Experimental Molecular Imaging, Kerpener Str. 62, 50937 Cologne, Germany; Forschungszentrum Jülich GmbH, Institute of Neuroscience and Medicine, Nuclear Chemistry (INM-5), Wilhelm-Johnen-Straße, 52425 Jülich, Germany; Max Planck Institute for Metabolism Research, Cologne 50931, Germany.
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15
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Quintero ME, Pontes JGDM, Tasic L. Metabolomics in degenerative brain diseases. Brain Res 2021; 1773:147704. [PMID: 34744014 DOI: 10.1016/j.brainres.2021.147704] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2021] [Revised: 10/18/2021] [Accepted: 10/23/2021] [Indexed: 12/23/2022]
Abstract
Among the most studied diseases that affect the central nervous system are Parkinson's, Alzheimer's, and Huntington's diseases, but the lack of effective biomarkers, accurate diagnosis, and precise treatment for each of them is currently an issue. Due to the contribution of biomarkers in supporting diagnosis, many recent efforts have focused on their identification and validation at the beginning or during the progression of the mental illness. Metabolome reveals the metabolic processes that result from protein activities under the guided gene expression and environmental factors, either in healthy or pathological conditions. In this context, metabolomics has proven to be a valuable approach. Currently, magnetic resonance spectroscopy (NMR) and mass spectrometry (MS) are the most commonly used bioanalytical techniques for metabolomics. MS-assisted profiling is considered the most versatile technique, and the NMR is the most reproductive. However, each one of them has its drawbacks. In this review, we summarized several alterations in metabolites that have been reported for these three classic brain diseases using MS and NMR-based research, which might suggest some possible biomarkers to support the diagnosis and/or new targets for their treatment.
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Affiliation(s)
- Melissa Escobar Quintero
- Laboratory of Chemical Biology, Department of Organic Chemistry, Institute of Chemistry, University of Campinas (UNICAMP), Campinas, SP, Brazil
| | - João Guilherme de Moraes Pontes
- Laboratory of Chemical Biology, Department of Organic Chemistry, Institute of Chemistry, University of Campinas (UNICAMP), Campinas, SP, Brazil
| | - Ljubica Tasic
- Laboratory of Chemical Biology, Department of Organic Chemistry, Institute of Chemistry, University of Campinas (UNICAMP), Campinas, SP, Brazil.
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16
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Kenna JE, Chua EG, Bakeberg M, Tay A, McGregor S, Gorecki A, Horne M, Marshall B, Mastaglia FL, Anderton RS. Changes in the Gut Microbiome and Predicted Functional Metabolic Effects in an Australian Parkinson's Disease Cohort. Front Neurosci 2021; 15:756951. [PMID: 34776854 PMCID: PMC8588830 DOI: 10.3389/fnins.2021.756951] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Accepted: 10/01/2021] [Indexed: 01/03/2023] Open
Abstract
Background: There has been increasing recognition of the importance of the gut microbiome in Parkinson's disease (PD), but the influence of geographic location has received little attention. The present study characterized the gut microbiota and associated changes in host metabolic pathways in an Australian cohort of people with PD (PwP). Methods: The study involved recruitment and assessment of 87 PwP from multiple Movement Disorders Clinics in Australia and 47 healthy controls. Illumina sequencing of the V3 and V4 regions of the 16S rRNA gene was used to distinguish inter-cohort differences in gut microbiota; KEGG analysis was subsequently performed to predict functional changes in host metabolic pathways. Results: The current findings identified significant differences in relative abundance and diversity of microbial operational taxonomic units (OTUs), and specific bacterial taxa between PwP and control groups. Alpha diversity was significantly reduced in PwP when compared to controls. Differences were found in two phyla (Synergistetes and Proteobacteria; both increased in PwP), and five genera (Colidextribacter, Intestinibacter, Kineothrix, Agathobaculum, and Roseburia; all decreased in PwP). Within the PD cohort, there was no association identified between microbial composition and gender, constipation or use of gastrointestinal medication. Furthermore, KEGG analysis identified 15 upregulated and 11 downregulated metabolic pathways which were predicted to be significantly altered in PwP. Conclusion: This study provides the first comprehensive characterization of the gut microbiome and predicted functional metabolic effects in a southern hemisphere PD population, further exploring the possible mechanisms whereby the gut microbiota may exert their influence on this disease, and providing evidence for the incorporation of such data in future individualized therapeutic strategies.
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Affiliation(s)
- Jade E Kenna
- School of Medicine, The University of Western Australia, Nedlands, WA, Australia.,Centre for Neuromuscular and Neurological Disorders, The University of Western Australia, Nedlands, WA, Australia.,Centre for Clinical Neurosciences and Neurological Research, St. Vincent's Hospital Melbourne, Fitzroy, VIC, Australia.,Perron Institute for Neurological and Translational Science, Nedlands, WA, Australia
| | - Eng Guan Chua
- School of Biological Sciences, The University of Western Australia, Crawley, WA, Australia.,Marshall Centre for Infectious Diseases Research and Training, The University of Western Australia, Nedlands, WA, Australia
| | - Megan Bakeberg
- Centre for Neuromuscular and Neurological Disorders, The University of Western Australia, Nedlands, WA, Australia.,School of Medicine, University of Notre Dame Australia, Fremantle, WA, Australia
| | - Alfred Tay
- School of Biological Sciences, The University of Western Australia, Crawley, WA, Australia.,Marshall Centre for Infectious Diseases Research and Training, The University of Western Australia, Nedlands, WA, Australia
| | - Sarah McGregor
- Centre for Clinical Neurosciences and Neurological Research, St. Vincent's Hospital Melbourne, Fitzroy, VIC, Australia
| | - Anastazja Gorecki
- Perron Institute for Neurological and Translational Science, Nedlands, WA, Australia.,School of Biological Sciences, The University of Western Australia, Crawley, WA, Australia
| | - Malcolm Horne
- Centre for Clinical Neurosciences and Neurological Research, St. Vincent's Hospital Melbourne, Fitzroy, VIC, Australia.,Florey Institute of Neuroscience and Mental Health, The University of Melbourne, Parkville, VIC, Australia
| | - Barry Marshall
- School of Biological Sciences, The University of Western Australia, Crawley, WA, Australia.,Marshall Centre for Infectious Diseases Research and Training, The University of Western Australia, Nedlands, WA, Australia
| | - Frank L Mastaglia
- Centre for Neuromuscular and Neurological Disorders, The University of Western Australia, Nedlands, WA, Australia.,Perron Institute for Neurological and Translational Science, Nedlands, WA, Australia
| | - Ryan S Anderton
- Centre for Neuromuscular and Neurological Disorders, The University of Western Australia, Nedlands, WA, Australia.,Institute for Health Research, University of Notre Dame Australia, Fremantle, WA, Australia.,School of Nursing, Midwifery, Health Sciences and Physiotherapy, The University of Notre Dame Australia, Fremantle, WA, Australia
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17
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Gonzalez-Riano C, Saiz J, Barbas C, Bergareche A, Huerta JM, Ardanaz E, Konjevod M, Mondragon E, Erro ME, Chirlaque MD, Abilleira E, Goñi-Irigoyen F, Amiano P. Prognostic biomarkers of Parkinson's disease in the Spanish EPIC cohort: a multiplatform metabolomics approach. NPJ Parkinsons Dis 2021; 7:73. [PMID: 34400650 PMCID: PMC8368017 DOI: 10.1038/s41531-021-00216-4] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2021] [Accepted: 06/22/2021] [Indexed: 02/07/2023] Open
Abstract
The lack of knowledge about the onset and progression of Parkinson's disease (PD) hampers its early diagnosis and treatment. Metabolomics might shed light on the PD imprint seeking a broader view of the biochemical remodeling induced by this disease in an early and pre-symptomatic stage and unveiling potential biomarkers. To achieve this goal, we took advantage of the great potential of the European Prospective Study on Nutrition and Cancer (EPIC) cohort to apply metabolomics searching for early diagnostic PD markers. This cohort consisted of healthy volunteers that were followed for around 15 years until June 2011 to ascertain incident PD. For this untargeted metabolomics-based study, baseline preclinical plasma samples of 39 randomly selected individuals that developed PD (Pre-PD group) and the corresponding control group were analyzed using a multiplatform approach. Data were statistically analyzed and exposed alterations in 33 metabolites levels, including significantly lower levels of free fatty acids (FFAs) in the preclinical samples from PD subjects. These results were then validated by adopting a targeted HPLC-QqQ-MS approach. After integrating all the metabolites affected, our finding revealed alterations in FFAs metabolism, mitochondrial dysfunction, oxidative stress, and gut-brain axis dysregulation long before the development of PD hallmarks. Although the biological purpose of these events is still unknown, the remodeled metabolic pathways highlighted in this work might be considered worthy prognostic biomarkers of early prodromal PD. The findings revealed by this work are of inestimable value since this is the first study conducted with samples collected many years before the disease development.
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Affiliation(s)
- Carolina Gonzalez-Riano
- grid.8461.b0000 0001 2159 0415Centro de Metabolómica y Bioanálisis (CEMBIO), Facultad de Farmacia, Universidad San Pablo-CEU, CEU Universities, Urbanización Montepríncipe, Boadilla del Monte, Madrid, Spain
| | - Jorge Saiz
- grid.8461.b0000 0001 2159 0415Centro de Metabolómica y Bioanálisis (CEMBIO), Facultad de Farmacia, Universidad San Pablo-CEU, CEU Universities, Urbanización Montepríncipe, Boadilla del Monte, Madrid, Spain
| | - Coral Barbas
- grid.8461.b0000 0001 2159 0415Centro de Metabolómica y Bioanálisis (CEMBIO), Facultad de Farmacia, Universidad San Pablo-CEU, CEU Universities, Urbanización Montepríncipe, Boadilla del Monte, Madrid, Spain
| | - Alberto Bergareche
- grid.432380.eNeurodegenerative Disorders Area, Biodonostia Health Research Institute, San Sebastián, Spain ,grid.414651.3Disorders Unit, Department of Neurology, University Hospital Donostia, San Sebastián, Spain ,grid.418264.d0000 0004 1762 4012Biomedical Research Networking Centre Consortium for the Area of Neurodegenerative Diseases (CIBERNED), Madrid, Spain
| | - José Mª Huerta
- grid.452553.0Instituto Murciano de Investigación Biosanitaria (IMIB), Murcia, Spain ,grid.413448.e0000 0000 9314 1427CIBER de Epidemiología y Salud Pública (CIBERESP), Madrid, Spain
| | - Eva Ardanaz
- grid.413448.e0000 0000 9314 1427CIBER de Epidemiología y Salud Pública (CIBERESP), Madrid, Spain ,grid.419126.90000 0004 0375 9231Instituto de Salud Pública de Navarra, Pamplona, Spain
| | - Marcela Konjevod
- grid.4905.80000 0004 0635 7705Division of Molecular Medicine, Rudjer Boskovic Institute, Zagreb, Croatia
| | - Elisabet Mondragon
- grid.432380.eNeurodegenerative Disorders Area, Biodonostia Health Research Institute, San Sebastián, Spain
| | - M. E. Erro
- grid.508840.10000 0004 7662 6114Department of Neurology, Complejo Hospitalario de Navarra, IdiSNA (Navarra Institute for Health Research), Pamplona, Spain
| | - M. Dolores Chirlaque
- grid.452553.0Instituto Murciano de Investigación Biosanitaria (IMIB), Murcia, Spain ,grid.413448.e0000 0000 9314 1427CIBER de Epidemiología y Salud Pública (CIBERESP), Madrid, Spain
| | - Eunate Abilleira
- grid.432380.ePublic Health Laboratory in Gipuzkoa, Biodonostia Health Research Institute, San Sebastián, Spain
| | - Fernando Goñi-Irigoyen
- grid.413448.e0000 0000 9314 1427CIBER de Epidemiología y Salud Pública (CIBERESP), Madrid, Spain ,grid.432380.ePublic Health Laboratory in Gipuzkoa, Biodonostia Health Research Institute, San Sebastián, Spain
| | - Pilar Amiano
- grid.413448.e0000 0000 9314 1427CIBER de Epidemiología y Salud Pública (CIBERESP), Madrid, Spain ,grid.432380.ePublic Health Laboratory in Gipuzkoa, Biodonostia Health Research Institute, San Sebastián, Spain
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18
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Abstract
The gut microbiota is known to play a role in various disease states through inflammatory, immune and endocrinologic response. Parkinson's Disease is of particular interest as gastrointestinal involvement is one of the earlier features seen in this disease. This paper examines the relationship between gut microbiota and Parkinson's Disease, which has a growing body of literature. Inflammation caused by gut dysbiosis is thought to increase a-synuclein aggregation and worsen motor and neurologic symptoms of Parkinson's disease. We discuss potential treatment and supplementation to modify the microbiota. Some of these treatments require further research before recommendations can be made, such as cord blood transplant, antibiotic use, immunomodulation and fecal microbiota transplant. Other interventions, such as increasing dietary fiber, polyphenol and fermented food intake, can be made with few risks and may have some benefit for symptom relief and speed of disease progression.
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Affiliation(s)
- Amy Gallop
- Department of Psychiatry and Behavioral Neuroscience, 7547Saint Louis University, MO, USA
| | - James Weagley
- Division of Biological Sciences, 7548Washington University, Saint Louis, MO, USA
| | - Saif-Ur-Rahman Paracha
- Department of Psychiatry and Behavioral Neuroscience, 7547Saint Louis University, MO, USA
| | - George Grossberg
- Samuel W. Fordyce Professor and Director of Geriatric Psychiatry, Department of Psychiatry and Behavioral Neuroscience, 7547Saint Louis University, Saint Louis, MO, USA
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19
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Perez-Pardo P, Grobben Y, Willemsen-Seegers N, Hartog M, Tutone M, Muller M, Adolfs Y, Pasterkamp RJ, Vu-Pham D, van Doornmalen AM, van Cauter F, de Wit J, Gerard Sterrenburg J, Uitdehaag JCM, de Man J, Buijsman RC, Zaman GJR, Kraneveld AD. Pharmacological validation of TDO as a target for Parkinson's disease. FEBS J 2021; 288:4311-4331. [PMID: 33471408 PMCID: PMC8359396 DOI: 10.1111/febs.15721] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2020] [Revised: 11/24/2020] [Accepted: 12/30/2020] [Indexed: 12/21/2022]
Abstract
Parkinson’s disease patients suffer from both motor and nonmotor impairments. There is currently no cure for Parkinson’s disease, and the most commonly used treatment, levodopa, only functions as a temporary relief of motor symptoms. Inhibition of the expression of the L‐tryptophan‐catabolizing enzyme tryptophan 2,3‐dioxygenase (TDO) has been shown to inhibit aging‐related α‐synuclein toxicity in Caenorhabditis elegans. To evaluate TDO inhibition as a potential therapeutic strategy for Parkinson’s disease, a brain‐penetrable, small molecule TDO inhibitor was developed, referred to as NTRC 3531‐0. This compound potently inhibits human and mouse TDO in biochemical and cell‐based assays and is selective over IDO1, an evolutionary unrelated enzyme that catalyzes the same reaction. In mice, NTRC 3531‐0 increased plasma and brain L‐tryptophan levels after oral administration, demonstrating inhibition of TDO activity in vivo. The effect on Parkinson’s disease symptoms was evaluated in a rotenone‐induced Parkinson’s disease mouse model. A structurally dissimilar TDO inhibitor, LM10, was evaluated in parallel. Both inhibitors had beneficial effects on rotenone‐induced motor and cognitive dysfunction as well as rotenone‐induced dopaminergic cell loss and neuroinflammation in the substantia nigra. Moreover, both inhibitors improved intestinal transit and enhanced colon length, which indicates a reduction of the rotenone‐induced intestinal dysfunction. Consistent with this, mice treated with TDO inhibitor showed decreased expression of rotenone‐induced glial fibrillary acidic protein, which is a marker of enteric glial cells, and decreased α‐synuclein accumulation in the enteric plexus. Our data support TDO inhibition as a potential therapeutic strategy to decrease motor, cognitive, and gastrointestinal symptoms in Parkinson’s disease.
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Affiliation(s)
- Paula Perez-Pardo
- Division of Pharmacology, Faculty of Science, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Utrecht, The Netherlands
| | - Yvonne Grobben
- Netherlands Translational Research Center B.V, Oss, The Netherlands
| | | | - Mitch Hartog
- Division of Pharmacology, Faculty of Science, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Utrecht, The Netherlands
| | - Michaela Tutone
- Division of Pharmacology, Faculty of Science, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Utrecht, The Netherlands
| | - Michelle Muller
- Netherlands Translational Research Center B.V, Oss, The Netherlands
| | - Youri Adolfs
- Department of Translational Neuroscience, UMC Utrecht Brain Center, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands
| | - Ronald Jeroen Pasterkamp
- Department of Translational Neuroscience, UMC Utrecht Brain Center, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands
| | - Diep Vu-Pham
- Netherlands Translational Research Center B.V, Oss, The Netherlands
| | | | - Freek van Cauter
- Netherlands Translational Research Center B.V, Oss, The Netherlands
| | - Joeri de Wit
- Netherlands Translational Research Center B.V, Oss, The Netherlands
| | | | | | - Jos de Man
- Netherlands Translational Research Center B.V, Oss, The Netherlands
| | | | - Guido J R Zaman
- Netherlands Translational Research Center B.V, Oss, The Netherlands
| | - Aletta D Kraneveld
- Division of Pharmacology, Faculty of Science, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Utrecht, The Netherlands
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Natural Molecules and Neuroprotection: Kynurenic Acid, Pantethine and α-Lipoic Acid. Int J Mol Sci 2021; 22:ijms22010403. [PMID: 33401674 PMCID: PMC7795784 DOI: 10.3390/ijms22010403] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2020] [Revised: 12/19/2020] [Accepted: 12/29/2020] [Indexed: 02/06/2023] Open
Abstract
The incidence of neurodegenerative diseases has increased greatly worldwide due to the rise in life expectancy. In spite of notable development in the understanding of these disorders, there has been limited success in the development of neuroprotective agents that can slow the progression of the disease and prevent neuronal death. Some natural products and molecules are very promising neuroprotective agents because of their structural diversity and wide variety of biological activities. In addition to their neuroprotective effect, they are known for their antioxidant, anti-inflammatory and antiapoptotic effects and often serve as a starting point for drug discovery. In this review, the following natural molecules are discussed: firstly, kynurenic acid, the main neuroprotective agent formed via the kynurenine pathway of tryptophan metabolism, as it is known mainly for its role in glutamate excitotoxicity, secondly, the dietary supplement pantethine, that is many sided, well tolerated and safe, and the third molecule, α-lipoic acid is a universal antioxidant. As a conclusion, because of their beneficial properties, these molecules are potential candidates for neuroprotective therapies suitable in managing neurodegenerative diseases.
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Lokhov PG, Maslov DL, Lichtenberg S, Trifonova OP, Balashova EE. Holistic Metabolomic Laboratory-Developed Test (LDT): Development and Use for the Diagnosis of Early-Stage Parkinson's Disease. Metabolites 2020; 11:metabo11010014. [PMID: 33383698 PMCID: PMC7824177 DOI: 10.3390/metabo11010014] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2020] [Revised: 12/24/2020] [Accepted: 12/24/2020] [Indexed: 02/04/2023] Open
Abstract
A laboratory-developed test (LDT) is a type of in vitro diagnostic test that is developed and used within a single laboratory. The holistic metabolomic LDT integrating the currently available data on human metabolic pathways, changes in the concentrations of low-molecular-weight compounds in the human blood during diseases and other conditions, and their prevalent location in the body was developed. That is, the LDT uses all of the accumulated metabolic data relevant for disease diagnosis and high-resolution mass spectrometry with data processing by in-house software. In this study, the LDT was applied to diagnose early-stage Parkinson's disease (PD), which currently lacks available laboratory tests. The use of the LDT for blood plasma samples confirmed its ability for such diagnostics with 73% accuracy. The diagnosis was based on relevant data, such as the detection of overrepresented metabolite sets associated with PD and other neurodegenerative diseases. Additionally, the ability of the LDT to detect normal composition of low-molecular-weight compounds in blood was demonstrated, thus providing a definition of healthy at the molecular level. This LDT approach as a screening tool can be used for the further widespread testing for other diseases, since 'omics' tests, to which the metabolomic LDT belongs, cover a variety of them.
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Affiliation(s)
- Petr G. Lokhov
- Institute of Biomedical Chemistry, 10 Building 8, Pogodinskaya Street, 119121 Moscow, Russia; (D.L.M.); (O.P.T.); (E.E.B.)
- Correspondence:
| | - Dmitry L. Maslov
- Institute of Biomedical Chemistry, 10 Building 8, Pogodinskaya Street, 119121 Moscow, Russia; (D.L.M.); (O.P.T.); (E.E.B.)
| | - Steven Lichtenberg
- Metabometrics, Inc, 651 N Broad St, Suite 205 #1370, Middletown, DE 19709, USA;
| | - Oxana P. Trifonova
- Institute of Biomedical Chemistry, 10 Building 8, Pogodinskaya Street, 119121 Moscow, Russia; (D.L.M.); (O.P.T.); (E.E.B.)
| | - Elena E. Balashova
- Institute of Biomedical Chemistry, 10 Building 8, Pogodinskaya Street, 119121 Moscow, Russia; (D.L.M.); (O.P.T.); (E.E.B.)
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22
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Benakis C, Martin-Gallausiaux C, Trezzi JP, Melton P, Liesz A, Wilmes P. The microbiome-gut-brain axis in acute and chronic brain diseases. Curr Opin Neurobiol 2019; 61:1-9. [PMID: 31812830 DOI: 10.1016/j.conb.2019.11.009] [Citation(s) in RCA: 91] [Impact Index Per Article: 18.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2019] [Accepted: 11/11/2019] [Indexed: 12/20/2022]
Abstract
The gut microbiome - the largest reservoir of microorganisms of the human body - is emerging as an important player in neurodevelopment and ageing as well as in brain diseases including stroke, Alzheimer's disease and Parkinson's disease. The growing knowledge on mediators and triggered pathways has advanced our understanding of the interactions along the gut-brain axis. Gut bacteria produce neuroactive compounds and can modulate neuronal function, plasticity and behavior. Furthermore, intestinal microorganisms impact the host's metabolism and immune status which in turn affect neuronal pathways in the enteric and central nervous systems. Here, we discuss the recent insights from human studies and animal models on the bi-directional communication along the microbiome-gut-brain axis in both acute and chronic brain diseases.
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Affiliation(s)
- Corinne Benakis
- Institute for Stroke and Dementia Research, Klinikum der Universität München, Munich, Germany.
| | | | - Jean-Pierre Trezzi
- Luxembourg Centre for Systems Biomedicine, University of Luxembourg, Esch-sur-Alzette, Luxembourg; Integrated Biobank of Luxembourg, Luxembourg Institute of Health, 1, rue Louis Rech, L-3555 Dudelange, Luxembourg
| | - Philip Melton
- Institute for Stroke and Dementia Research, Klinikum der Universität München, Munich, Germany
| | - Arthur Liesz
- Institute for Stroke and Dementia Research, Klinikum der Universität München, Munich, Germany; Synergy Cluster for Systems Neurology, Ludwig-Maximilians-Universität München, Feodor-Lynen-Strasse 17, D-81377 Munich, Germany
| | - Paul Wilmes
- Luxembourg Centre for Systems Biomedicine, University of Luxembourg, Esch-sur-Alzette, Luxembourg.
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Ji F, Wei J, Luan H, Li M, Cai Z. Study of metabolic disorders associated with BDE-47 exposure in Drosophila model by MS-based metabolomics. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2019; 184:109606. [PMID: 31472382 DOI: 10.1016/j.ecoenv.2019.109606] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/24/2019] [Revised: 08/13/2019] [Accepted: 08/22/2019] [Indexed: 06/10/2023]
Abstract
Epidemiological and animal studies have revealed a possible linkage between 2,2',4,4'-tetrabromodiphenyl ether (BDE-47) exposure and neurodegenerative disease such as Parkinson's disease (PD). However, whether or how BDE-47 would affect the PD progression remains unclear. Here, we carried out a metabolomics study based on liquid chromatography-mass spectrometry (LC-MS) and gas chromatography-mass spectrometry (GC-MS) to investigate the possible contribution of BDE-47 exposure to PD progression in Drosophila (fly) model. Transgenic PD flies were exposed to BDE-47 through diet for 30 days. Global metabolomic analysis identified 48 altered metabolites after the exposure. These metabolites were mainly involved in tryptophan metabolism, phenylalanine metabolism, purine metabolism, and alanine, aspartate and glutamate metabolism. Further, by quantifying metabolites of interest using LC-MS/MS, we confirmed that the formation of neuro-protector kynurenic acid was slowed down while the formation of neurotoxin 3-hydroxy-kynurenine was speeded up on the 20th exposure day. Moreover, the levels of SAM/SAH (an index of methylation potential) and GSH/GSSG (an indicator of oxidative stress) were found to decrease on the 30th exposure day. Our results suggest that BDE-47 could induce imbalance of kynurenine metabolism and methylation potential, and oxidative stress, which might further accelerate PD progression.
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Affiliation(s)
- Fenfen Ji
- State Key Laboratory of Environmental and Biological Analysis, Department of Chemistry, Hong Kong Baptist University, Hong Kong, China
| | - Juntong Wei
- State Key Laboratory of Environmental and Biological Analysis, Department of Chemistry, Hong Kong Baptist University, Hong Kong, China
| | - Hemi Luan
- State Key Laboratory of Environmental and Biological Analysis, Department of Chemistry, Hong Kong Baptist University, Hong Kong, China; SUSTech Academy for Advanced Interdisciplinary Studies, Southern University of Science and Technology, Shenzhen, China
| | - Min Li
- Mr. & Mrs. Ko Chi-Ming Centre for Parkinson's Disease Research, School of Chinese Medicine, Hong Kong Baptist University, Hong Kong, China
| | - Zongwei Cai
- State Key Laboratory of Environmental and Biological Analysis, Department of Chemistry, Hong Kong Baptist University, Hong Kong, China.
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24
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Cunningham PC, Waldeck K, Ganetzky B, Babcock DT. Neurodegeneration and locomotor dysfunction in Drosophila scarlet mutants. J Cell Sci 2018; 131:jcs.216697. [PMID: 30154211 DOI: 10.1242/jcs.216697] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2018] [Accepted: 08/14/2018] [Indexed: 01/03/2023] Open
Abstract
Parkinson's disease (PD) is characterized by the loss of dopaminergic neurons, resulting in progressive locomotor dysfunction. Identification of genes required for the maintenance of these neurons should help to identify potential therapeutic targets. However, little is known regarding the factors that render dopaminergic neurons selectively vulnerable to PD. Here, we show that Drosophila melanogaster scarlet mutants exhibit an age-dependent progressive loss of dopaminergic neurons, along with subsequent locomotor defects and a shortened lifespan. Knockdown of Scarlet specifically within dopaminergic neurons is sufficient to produce this neurodegeneration, demonstrating a unique role for Scarlet beyond its well-characterized role in eye pigmentation. Both genetic and pharmacological manipulation of the kynurenine pathway rescued loss of dopaminergic neurons by promoting synthesis of the free radical scavenger kynurenic acid (KYNA) and limiting the production of the free radical generator 3-hydroxykynurenine (3-HK). Finally, we show that expression of wild-type Scarlet is neuroprotective in a model of PD, suggesting that manipulating kynurenine metabolism may be a potential therapeutic option in treating PD.This article has an associated First Person interview with the first author of the paper.
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Affiliation(s)
| | - Katherine Waldeck
- Laboratory of Genetics, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - Barry Ganetzky
- Laboratory of Genetics, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - Daniel T Babcock
- Department of Biological Sciences, Lehigh University, Bethlehem, PA 18015, USA
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Abstract
Premortem, postmortem, and storage conditions are parameters that can influence the quality and interpretation of data from studies of postmortem tissue. While many neurochemicals in the brain are relatively stable for several hours after death if stored at 4°C, the postmortem delay nevertheless becomes an important variable when examining the disease state because neurochemical levels may change with extended postmortem delay. Moreover, in the postmortem brain, neurochemical levels may also play a key role in determining the diagnosis. This is particularly true for some neurodegenerative disorders where many of the clinical features of the disease are not exclusive to one illness. It is therefore imperative to employ brain tissue of the highest quality from both nondiseased (control) and diseased brain tissue to ascertain the specific molecular and genetic mechanisms particular to the disease pathogenesis. Consequently, it would be very useful if specific markers could be employed to demonstrate and determine the quality of postmortem brain tissue that is suitable for such studies. In this chapter, the following neurochemical markers are critically reviewed as potential candidates to assess the quality of postmortem brain tissue: tryptophan levels, glutathione levels (and glutathione metabolic enzymes), enzymatic activities (glutamate decarboxylase, phosphofructokinase-1), epigenetic enzymes (acetyltransferase, methyltransferase), and tissue pH. In conclusion, the neurochemical tryptophan appears to be the most suitable candidate for assessing the integrity and quality of postmortem brain tissue. However, to optimize the quality of the samples, neuropathologic diagnostic characterization must also be employed in the interpretation and understanding of the data generated. It would also be judicious to consider as many premortem and postmortem conditions as possible as they can also affect the genetic and molecular integrity of the brain tissue.
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Fricker RA, Green EL, Jenkins SI, Griffin SM. The Influence of Nicotinamide on Health and Disease in the Central Nervous System. Int J Tryptophan Res 2018; 11:1178646918776658. [PMID: 29844677 PMCID: PMC5966847 DOI: 10.1177/1178646918776658] [Citation(s) in RCA: 108] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2017] [Accepted: 10/29/2017] [Indexed: 12/12/2022] Open
Abstract
Nicotinamide, the amide form of vitamin B3 (niacin), has long been associated with neuronal development, survival, and function in the central nervous system (CNS), being implicated in both neuronal death and neuroprotection. Here, we summarise a body of research investigating the role of nicotinamide in neuronal health within the CNS, with a focus on studies that have shown a neuroprotective effect. Nicotinamide appears to play a role in protecting neurons from traumatic injury, ischaemia, and stroke, as well as being implicated in 3 key neurodegenerative conditions: Alzheimer’s, Parkinson’s, and Huntington’s diseases. A key factor is the bioavailability of nicotinamide, with low concentrations leading to neurological deficits and dementia and high levels potentially causing neurotoxicity. Finally, nicotinamide’s potential mechanisms of action are discussed, including the general maintenance of cellular energy levels and the more specific inhibition of molecules such as the nicotinamide adenine dinucleotide-dependent deacetylase, sirtuin 1 (SIRT1).
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Affiliation(s)
- Rosemary A Fricker
- School of Medicine and Institute for Science and Technology in Medicine, Keele University, Staffordshire, UK
| | - Emma L Green
- School of Medicine and Institute for Science and Technology in Medicine, Keele University, Staffordshire, UK
| | - Stuart I Jenkins
- School of Medicine and Institute for Science and Technology in Medicine, Keele University, Staffordshire, UK
| | - Síle M Griffin
- School of Medicine and Institute for Science and Technology in Medicine, Keele University, Staffordshire, UK
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27
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Marashly ET, Bohlega SA. Riboflavin Has Neuroprotective Potential: Focus on Parkinson's Disease and Migraine. Front Neurol 2017; 8:333. [PMID: 28775706 PMCID: PMC5517396 DOI: 10.3389/fneur.2017.00333] [Citation(s) in RCA: 57] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2017] [Accepted: 06/26/2017] [Indexed: 12/12/2022] Open
Abstract
With the huge negative impact of neurological disorders on patient's life and society resources, the discovery of neuroprotective agents is critical and cost-effective. Neuroprotective agents can prevent and/or modify the course of neurological disorders. Despite being underestimated, riboflavin offers neuroprotective mechanisms. Significant pathogenesis-related mechanisms are shared by, but not restricted to, Parkinson's disease (PD) and migraine headache. Those pathogenesis-related mechanisms can be tackled through riboflavin proposed neuroprotective mechanisms. In fact, it has been found that riboflavin ameliorates oxidative stress, mitochondrial dysfunction, neuroinflammation, and glutamate excitotoxicity; all of which take part in the pathogenesis of PD, migraine headache, and other neurological disorders. In addition, riboflavin-dependent enzymes have essential roles in pyridoxine activation, tryptophan-kynurenine pathway, and homocysteine metabolism. Indeed, pyridoxal phosphate, the active form of pyridoxine, has been found to have independent neuroprotective potential. Also, the produced kynurenines influence glutamate receptors and its consequent excitotoxicity. In addition, methylenetetrahydrofolate reductase requires riboflavin to ensure normal folate cycle influencing the methylation cycle and consequently homocysteine levels which have its own negative neurovascular consequences if accumulated. In conclusion, riboflavin is a potential neuroprotective agent affecting a wide range of neurological disorders exemplified by PD, a disorder of neurodegeneration, and migraine headache, a disorder of pain. In this article, we will emphasize the role of riboflavin in neuroprotection elaborating on its proposed neuroprotective mechanisms in opposite to the pathogenesis-related mechanisms involved in two common neurological disorders, PD and migraine headache, as well as, we encourage the clinical evaluation of riboflavin in PD and migraine headache patients in the future.
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Affiliation(s)
- Eyad T. Marashly
- Department of Neurosciences, King Faisal Specialist Hospital and Research Centre, Riyadh, Saudi Arabia
| | - Saeed A. Bohlega
- Department of Neurosciences, King Faisal Specialist Hospital and Research Centre, Riyadh, Saudi Arabia
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28
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Substrate and inhibitor specificity of kynurenine monooxygenase from Cytophaga hutchinsonii. Bioorg Med Chem Lett 2017; 27:1705-1708. [PMID: 28302400 DOI: 10.1016/j.bmcl.2017.02.080] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2017] [Revised: 02/27/2017] [Accepted: 02/28/2017] [Indexed: 11/21/2022]
Abstract
Kynurenine monooxygenase (KMO) is a potential drug target for treatment of neurodegenerative disorders such as Huntington's and Alzheimer's diseases. We have evaluated substituted kynurenines as substrates or inhibitors of KMO from Cytophaga hutchinsonii. Kynurenines substituted with a halogen at the 5-position are excellent substrates, with values of kcat and kcat/Km comparable to or higher than kynurenine. However, kynurenines substituted in the 3-position are competitive inhibitors, with KI values lower than the Km for kynurenine. Bromination also enhances inhibition, and 3,5-dibromokynurenine is a potent competitive inhibitor with a KI value of 1.5μM. A pharmacophore model of KMO was developed, and predicted that 3,4-dichlorohippuric acid would be an inhibitor. The KI for this compound was found to be 34μM, thus validating the pharmacophore model. We are using these results and our model to design more potent inhibitors of KMO.
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Zischler J, Kolks N, Modemann D, Neumaier B, Zlatopolskiy BD. Alcohol-Enhanced Cu-Mediated Radiofluorination. Chemistry 2017; 23:3251-3256. [DOI: 10.1002/chem.201604633] [Citation(s) in RCA: 83] [Impact Index Per Article: 11.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2016] [Indexed: 02/01/2023]
Affiliation(s)
- Johannes Zischler
- Institute of Neuroscience and Medicine, INM-5: Nuclear Chemistry; Forschungszentrum Jülich GmbH; 52425 Jülich Germany
- Institute of Radiochemistry and Experimental Molecular Imaging; University Clinic Cologne; Kerpener Str. 62 50937 Cologne Germany
- Max Planck Institute for Metabolism Research; Gleueler Str. 50 50931 Cologne Germany
| | - Niklas Kolks
- Institute of Radiochemistry and Experimental Molecular Imaging; University Clinic Cologne; Kerpener Str. 62 50937 Cologne Germany
| | - Daniel Modemann
- Institute of Neuroscience and Medicine, INM-5: Nuclear Chemistry; Forschungszentrum Jülich GmbH; 52425 Jülich Germany
| | - Bernd Neumaier
- Institute of Neuroscience and Medicine, INM-5: Nuclear Chemistry; Forschungszentrum Jülich GmbH; 52425 Jülich Germany
- Institute of Radiochemistry and Experimental Molecular Imaging; University Clinic Cologne; Kerpener Str. 62 50937 Cologne Germany
- Max Planck Institute for Metabolism Research; Gleueler Str. 50 50931 Cologne Germany
| | - Boris D. Zlatopolskiy
- Institute of Radiochemistry and Experimental Molecular Imaging; University Clinic Cologne; Kerpener Str. 62 50937 Cologne Germany
- Max Planck Institute for Metabolism Research; Gleueler Str. 50 50931 Cologne Germany
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30
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Lee JM, Tan V, Lovejoy D, Braidy N, Rowe DB, Brew BJ, Guillemin GJ. Involvement of quinolinic acid in the neuropathogenesis of amyotrophic lateral sclerosis. Neuropharmacology 2017; 112:346-364. [DOI: 10.1016/j.neuropharm.2016.05.011] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2016] [Revised: 05/13/2016] [Accepted: 05/17/2016] [Indexed: 10/21/2022]
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Floyd M, El Osta B, Tang SC. First Report of Parkinsonism Associated With Indoximod, an Immune-Modulating Agent. J Glob Oncol 2016; 4:1-2. [PMID: 30241153 PMCID: PMC6223380 DOI: 10.1200/jgo.2016.007492] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Affiliation(s)
- Mark Floyd
- Mark Floyd, Badi El Osta, and Shou-Ching Tang, Medical College of Georgia, Augusta University, Augusta, GA; and Shou-Ching Tang, Tianjin Medical University Cancer Institute and Hospital, Tianjin, People's Republic of China
| | - Badi El Osta
- Mark Floyd, Badi El Osta, and Shou-Ching Tang, Medical College of Georgia, Augusta University, Augusta, GA; and Shou-Ching Tang, Tianjin Medical University Cancer Institute and Hospital, Tianjin, People's Republic of China
| | - Shou-Ching Tang
- Mark Floyd, Badi El Osta, and Shou-Ching Tang, Medical College of Georgia, Augusta University, Augusta, GA; and Shou-Ching Tang, Tianjin Medical University Cancer Institute and Hospital, Tianjin, People's Republic of China
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32
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Ran Y, Yan B, Li Z, Ding Y, Shi Y, Le G. Dityrosine administration induces novel object recognition deficits in young adulthood mice. Physiol Behav 2016; 164:292-9. [DOI: 10.1016/j.physbeh.2016.06.019] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2016] [Revised: 05/15/2016] [Accepted: 06/14/2016] [Indexed: 12/12/2022]
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Mazarei G, Leavitt BR. Indoleamine 2,3 Dioxygenase as a Potential Therapeutic Target in Huntington's Disease. J Huntingtons Dis 2016; 4:109-18. [PMID: 26397892 PMCID: PMC4923717 DOI: 10.3233/jhd-159003] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Within the past decade, there has been increasing interest in the role of tryptophan (Trp) metabolites and the kynurenine pathway (KP) in diseases of the brain such as Huntington’s disease (HD). Evidence is accumulating to suggest that this pathway is imbalanced in neurologic disease states. The KP diverges into two branches that can lead to production of either neuroprotective or neurotoxic metabolites. In one branch, kynurenine (Kyn) produced as a result of tryptophan (Trp) catabolism is further metabolized to neurotoxic metabolites such as 3-hydroxykunurenine (3-HK) and quinolinic acid (QA). In the other branch, Kyn is converted to the neuroprotective metabolite kynurenic acid (KA). The enzyme Indoleamine 2,3 dioxygenase (IDO1) catalyzes the conversion of Trp into Kyn, the first and rate-limiting enzymatic step of the KP. This reaction takes place throughout the body in multiple cell types as a required step in the degradation of the essential amino acid Trp. Studies of IDO1 in brain have focused primarily on a potential role in depression, immune tolerance associated with brain tumours, and multiple sclerosis; however the role of this enzyme in neurodegenerative disease has garnered significant attention in recent years. This review will provide a summary of the current understanding of the role of IDO1 in Huntington’s disease and will assess this enzyme as a potential therapeutic target for HD.
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Affiliation(s)
- Gelareh Mazarei
- Centre for Molecular Medicine & Therapeutics and Department of Medical Genetics, University of British Columbia, Vancouver, BC, Canada
| | - Blair R Leavitt
- Centre for Molecular Medicine & Therapeutics and Department of Medical Genetics, University of British Columbia, Vancouver, BC, Canada
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Majláth Z, Török N, Toldi J, Vécsei L. Promising therapeutic agents for the treatment of Parkinson’s disease. Expert Opin Biol Ther 2016; 16:787-99. [DOI: 10.1517/14712598.2016.1164687] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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Varga D, Herédi J, Kánvási Z, Ruszka M, Kis Z, Ono E, Iwamori N, Iwamori T, Takakuwa H, Vécsei L, Toldi J, Gellért L. Systemic L-Kynurenine sulfate administration disrupts object recognition memory, alters open field behavior and decreases c-Fos immunopositivity in C57Bl/6 mice. Front Behav Neurosci 2015; 9:157. [PMID: 26136670 PMCID: PMC4468612 DOI: 10.3389/fnbeh.2015.00157] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2015] [Accepted: 06/01/2015] [Indexed: 01/31/2023] Open
Abstract
L-Kynurenine (L-KYN) is a central metabolite of tryptophan degradation through the kynurenine pathway (KP). The systemic administration of L-KYN sulfate (L-KYNs) leads to a rapid elevation of the neuroactive KP metabolite kynurenic acid (KYNA). An elevated level of KYNA may have multiple effects on the synaptic transmission, resulting in complex behavioral changes, such as hypoactivity or spatial working memory deficits. These results emerged from studies that focused on rats, after low-dose L-KYNs treatment. However, in several studies neuroprotection was achieved through the administration of high-dose L-KYNs. In the present study, our aim was to investigate whether the systemic administration of a high dose of L-KYNs (300 mg/bwkg; i.p.) would produce alterations in behavioral tasks (open field or object recognition) in C57Bl/6j mice. To evaluate the changes in neuronal activity after L-KYNs treatment, in a separate group of animals we estimated c-Fos expression levels in the corresponding subcortical brain areas. The L-KYNs treatment did not affect the general ambulatory activity of C57Bl/6j mice, whereas it altered their moving patterns, elevating the movement velocity and resting time. Additionally, it seemed to increase anxiety-like behavior, as peripheral zone preference of the open field arena emerged and the rearing activity was attenuated. The treatment also completely abolished the formation of object recognition memory and resulted in decreases in the number of c-Fos-immunopositive-cells in the dorsal part of the striatum and in the CA1 pyramidal cell layer of the hippocampus. We conclude that a single exposure to L-KYNs leads to behavioral disturbances, which might be related to the altered basal c-Fos protein expression in C57Bl/6j mice.
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Affiliation(s)
- Dániel Varga
- Department of Physiology, Anatomy and Neuroscience, University of Szeged Szeged, Hungary
| | - Judit Herédi
- Department of Physiology, Anatomy and Neuroscience, University of Szeged Szeged, Hungary
| | - Zita Kánvási
- Department of Physiology, Anatomy and Neuroscience, University of Szeged Szeged, Hungary
| | - Marian Ruszka
- Department of Physiology, Anatomy and Neuroscience, University of Szeged Szeged, Hungary ; Department of Neurology, Faculty of Medicine, MTA-SZTE Neuroscience Research Group, University of Szeged Szeged, Hungary
| | - Zsolt Kis
- Department of Physiology, Anatomy and Neuroscience, University of Szeged Szeged, Hungary
| | - Etsuro Ono
- Department of Biomedicine, Graduate School of Medical Sciences, Kyushu University Fukuoka, Japan ; Center of Biomedical Research, Research Center for Human Disease Modeling, Department of Physiological Sciences, Graduate School of Medical Sciences, Kyushu University Fukuoka, Japan
| | - Naoki Iwamori
- Department of Biomedicine, Graduate School of Medical Sciences, Kyushu University Fukuoka, Japan ; Center of Biomedical Research, Research Center for Human Disease Modeling, Department of Physiological Sciences, Graduate School of Medical Sciences, Kyushu University Fukuoka, Japan
| | - Tokuko Iwamori
- Department of Biomedicine, Graduate School of Medical Sciences, Kyushu University Fukuoka, Japan ; Center of Biomedical Research, Research Center for Human Disease Modeling, Department of Physiological Sciences, Graduate School of Medical Sciences, Kyushu University Fukuoka, Japan
| | - Hiroki Takakuwa
- Faculty of Life Sciences, Kyoto Sangyo University, Kamigamo-Motoyama Kita, Kyoto, Japan
| | - László Vécsei
- Department of Neurology, Faculty of Medicine, MTA-SZTE Neuroscience Research Group, University of Szeged Szeged, Hungary ; Department of Neurology, University of Szeged, Hungary Szeged, Hungary
| | - József Toldi
- Department of Physiology, Anatomy and Neuroscience, University of Szeged Szeged, Hungary ; Department of Neurology, Faculty of Medicine, MTA-SZTE Neuroscience Research Group, University of Szeged Szeged, Hungary
| | - Levente Gellért
- Department of Physiology, Anatomy and Neuroscience, University of Szeged Szeged, Hungary ; Department of Neurology, Faculty of Medicine, MTA-SZTE Neuroscience Research Group, University of Szeged Szeged, Hungary
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Prediction of Metabolic Gene Biomarkers for Neurodegenerative Disease by an Integrated Network-Based Approach. BIOMED RESEARCH INTERNATIONAL 2015; 2015:432012. [PMID: 26064912 PMCID: PMC4442013 DOI: 10.1155/2015/432012] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/07/2014] [Accepted: 11/27/2014] [Indexed: 01/19/2023]
Abstract
Neurodegenerative diseases (NDs), such as Parkinson's disease (PD) and Huntington's disease (HD), have become more and more common among aged people worldwide. One hallmark of NDs is the presence of intracellular accumulation of specific pathogenic proteins that may result from abnormal function of metabolic processes. Previously, we have developed a computational method named Met-express that predicted key enzyme-coding genes in cancer development by integrating cancer gene coexpression network with the metabolic network. Here, we applied Met-express to predict key enzyme-coding genes in both PD and HD. Functional enrichment analysis and literature review of predicted genes suggested that there might be some common pathogenic metabolic pathways for PD and HD. We further found that the predicted genes had significant functional association with known disease genes, with some of them already documented as biomarkers or therapeutic targets for NDs. As such, the predicted metabolic genes may be of use as novel biomarkers not only for ND diagnosis but also for potential therapeutic treatments.
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Cassani E, Barichella M, Cancello R, Cavanna F, Iorio L, Cereda E, Bolliri C, Zampella Maria P, Bianchi F, Cestaro B, Pezzoli G. Increased urinary indoxyl sulfate (indican): New insights into gut dysbiosis in Parkinson's disease. Parkinsonism Relat Disord 2015; 21:389-93. [DOI: 10.1016/j.parkreldis.2015.02.004] [Citation(s) in RCA: 59] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/19/2014] [Revised: 12/21/2014] [Accepted: 02/04/2015] [Indexed: 12/13/2022]
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38
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Chemical profiling with HPLC-FTMS of exogenous and endogenous chemicals susceptible to the administration of chotosan in an animal model of type 2 diabetes-induced dementia. J Pharm Biomed Anal 2014; 104:21-30. [PMID: 25459756 DOI: 10.1016/j.jpba.2014.11.019] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2014] [Revised: 11/08/2014] [Accepted: 11/11/2014] [Indexed: 12/16/2022]
Abstract
In our previous study, the daily administration of chotosan (CTS), a Kampo formula consisting of Uncaria and other 10 different crude drugs, ameliorated cognitive deficits in several animal models of dementia including type 2 diabetic db/db mice in a similar manner to tacrine, an acetylcholinesterase inhibitor. The present study investigated the metabonomics of CTS in db/db mice, a type 2 diabetes model, and m/m mice, a non-diabetes control strain, to identify the exogenous and endogenous chemicals susceptible to the administration of CTS using high performance liquid chromatography equipped with an orbitrap hybrid Fourier transform mass spectrometer. The results obtained revealed that the systemic administration of CTS for 20 days led to the distribution of Uncalia plant-derived alkaloids such as rhynchophylline, hirsuteine, and corynoxeine in the plasma and brains of db/db and m/m mice and induced alterations in four major metabolic pathways; i.e., (1) purine, (2) tryptophan, (3) cysteine and methionine, (4) glycerophospholipids in db/db mice. Moreover, glycerophosphocholine (GPC) levels in the plasma and brain were significantly higher in CTS-treated db/db mice than in vehicle-treated control animals. The results of the in vitro experiment using organotypic hippocampal slice cultures demonstrated that GPC (10-30 μM), as well as tacrine, protected hippocampal cells from N-methyl-d-aspartate-induced excitotoxicity in a manner that was reversible with the muscarinic receptor antagonist scopolamine, whereas GPC had no effect on the activity of acetylcholinesterase in vitro. Our results demonstrated that some CTS constituents with neuropharmacological activity were distributed in the plasma and brain tissue following the systemic administration of CTS and may subsequently have affected some metabolic pathways including glycerophospholipid metabolism and cognitive function in db/db mice. Moreover, the present metabonomic analysis suggested that GPC is a putative endogenous chemical that may be involved in the tacrine-like actions of CTS in the present diabetic animal model.
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Lin Z, Roede JR, He C, Jones DP, Filipov NM. Short-term oral atrazine exposure alters the plasma metabolome of male C57BL/6 mice and disrupts α-linolenate, tryptophan, tyrosine and other major metabolic pathways. Toxicology 2014; 326:130-41. [PMID: 25445803 DOI: 10.1016/j.tox.2014.11.001] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2014] [Revised: 10/28/2014] [Accepted: 11/02/2014] [Indexed: 12/15/2022]
Abstract
Overexposure to the commonly used herbicide atrazine (ATR) affects several organ systems, including the brain. Previously, we demonstrated that short-term oral ATR exposure causes behavioral deficits and dopaminergic and serotonergic dysfunction in the brains of mice. Using adult male C57BL/6 mice, the present study aimed to investigate effects of a 10-day oral ATR exposure (0, 5, 25, 125, or 250mg/kg) on the mouse plasma metabolome and to determine metabolic pathways affected by ATR that may be reflective of ATR's effects on the brain and useful to identify peripheral biomarkers of neurotoxicity. Four hours after the last dosing on day 10, plasma was collected and analyzed with high-performance, dual chromatography-Fourier-transform mass spectrometry that was followed by biostatistical and bioinformatic analyses. ATR exposure (≥5mg/kg) significantly altered plasma metabolite profile and resulted in a dose-dependent increase in the number of metabolites with ion intensities significantly different from the control group. Pathway analyses revealed that ATR exposure strongly correlated with and disrupted multiple metabolic pathways. Tyrosine, tryptophan, linoleic acid and α-linolenic acid metabolic pathways were among the affected pathways, with α-linolenic acid metabolism being affected to the greatest extent. Observed effects of ATR on plasma tyrosine and tryptophan metabolism may be reflective of the previously reported perturbations of brain dopamine and serotonin homeostasis, respectively. ATR-caused alterations in the plasma profile of α-linolenic acid metabolism are a potential novel and sensitive plasma biomarker of ATR effect and plasma metabolomics could be used to better assess the risks, including to the brain, associated with ATR overexposure.
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Affiliation(s)
- Zhoumeng Lin
- Department of Physiology and Pharmacology, College of Veterinary Medicine, University of Georgia, Athens, GA 30602, USA; Interdisciplinary Toxicology Program, University of Georgia, Athens, GA 30602, USA.
| | - James R Roede
- Division of Pulmonary, Allergy and Critical Care Medicine, Department of Medicine, Emory University, Atlanta, GA 30322, USA.
| | - Chunla He
- Department of Epidemiology and Biostatistics, College of Public Health, University of Georgia, Athens, GA 30602, USA.
| | - Dean P Jones
- Division of Pulmonary, Allergy and Critical Care Medicine, Department of Medicine, Emory University, Atlanta, GA 30322, USA.
| | - Nikolay M Filipov
- Department of Physiology and Pharmacology, College of Veterinary Medicine, University of Georgia, Athens, GA 30602, USA; Interdisciplinary Toxicology Program, University of Georgia, Athens, GA 30602, USA.
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40
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Hypnotic effect of GABA from rice germ and/or tryptophan in a mouse model of pentothal-induced sleep. Food Sci Biotechnol 2014. [DOI: 10.1007/s10068-014-0229-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
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41
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Pollach G, Jung K, Namboya F. A new hypothesis on preventable neuropsychiatric illness in Africa. Med Hypotheses 2014; 83:16-20. [DOI: 10.1016/j.mehy.2014.04.018] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2014] [Revised: 03/14/2014] [Accepted: 04/13/2014] [Indexed: 12/27/2022]
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42
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Effects of l-tryptophan on l-DOPA-induced dyskinesia in the 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP)-treated macaque model of Parkinson's disease. Neurosci Lett 2014; 566:72-6. [DOI: 10.1016/j.neulet.2014.02.027] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2014] [Revised: 02/06/2014] [Accepted: 02/13/2014] [Indexed: 12/23/2022]
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43
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Dézsi L, Vécsei L. Clinical implications of irregular ADMET properties with levodopa and other antiparkinson's drugs. Expert Opin Drug Metab Toxicol 2014; 10:409-24. [DOI: 10.1517/17425255.2014.878702] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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44
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Mazarei G, Budac DP, Lu G, Lee H, Möller T, Leavitt BR. The absence of indoleamine 2,3-dioxygenase expression protects against NMDA receptor-mediated excitotoxicity in mouse brain. Exp Neurol 2013; 249:144-8. [PMID: 23994717 DOI: 10.1016/j.expneurol.2013.08.007] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2013] [Revised: 08/07/2013] [Accepted: 08/14/2013] [Indexed: 12/14/2022]
Abstract
We previously showed that the expression and activity of indoleamine 2,3-dioxygenase (Ido1) are chronically elevated in the striatum of YAC128 mouse model of HD. This was followed by increased production of neurotoxic metabolite hydroxykynurenine (3-HK) in the striatum of symptomatic mice. We therefore hypothesized that the chronic Ido1 induction in the striatum of YAC128 mice leads to increased neurotoxicity in this mouse model; based on this hypothesis, we predicted that the absence of Ido1 expression would result in decreased sensitivity to neurotoxicity in mice. The work described in this brief communication will include the characterization of Ido(-/-) striatum in terms of enzymatic expression and activity in the first step of the pathway. Additionally, we assessed the sensitivity of the striatum to excitotoxic insult in the absence of Ido1 expression in the striatum of constitutive Ido1 null mice (Ido(-/-)) and demonstrated that Ido(-/-) mice are less sensitive to QA-induced striatal neurotoxicity. Finally, through measurement of kynurenine pathway (KP) metabolites in Ido(-/-) mice, we showed decreased levels of 3-HK in the striatum of these mice. This study suggests that the inhibition of the first step in the KP may be neuroprotective and should be considered as a potential therapeutic target in HD and other neurodegenerative diseases.
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MESH Headings
- Animals
- Corpus Striatum/drug effects
- Corpus Striatum/enzymology
- Corpus Striatum/pathology
- Disease Models, Animal
- Female
- Gene Expression Regulation, Enzymologic/drug effects
- Huntington Disease/enzymology
- Huntington Disease/genetics
- Huntington Disease/metabolism
- Indoleamine-Pyrrole 2,3,-Dioxygenase/biosynthesis
- Indoleamine-Pyrrole 2,3,-Dioxygenase/deficiency
- Indoleamine-Pyrrole 2,3,-Dioxygenase/genetics
- Injections, Intraventricular
- Male
- Mice
- Mice, Knockout
- Neuroprotective Agents/pharmacology
- Quinolinic Acid/administration & dosage
- Quinolinic Acid/toxicity
- Receptors, N-Methyl-D-Aspartate/physiology
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Affiliation(s)
- G Mazarei
- Centre for Molecular Medicine and Therapeutics and Department of Medical Genetics, University of British Columbia, 980 West 28th Avenue, Vancouver, BC, V5Z 4H4, Canada
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45
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Maitrani C, Phillips RS. Substituents effects on activity of kynureninase from Homo sapiens and Pseudomonas fluorescens. Bioorg Med Chem 2013; 21:4670-7. [DOI: 10.1016/j.bmc.2013.05.039] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2013] [Revised: 05/02/2013] [Accepted: 05/10/2013] [Indexed: 11/29/2022]
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46
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Lewitt PA, Li J, Lu M, Beach TG, Adler CH, Guo L. 3-hydroxykynurenine and other Parkinson's disease biomarkers discovered by metabolomic analysis. Mov Disord 2013; 28:1653-60. [PMID: 23873789 DOI: 10.1002/mds.25555] [Citation(s) in RCA: 113] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2013] [Revised: 04/30/2013] [Accepted: 05/10/2013] [Indexed: 12/16/2022] Open
Abstract
Parkinson's disease (PD) biomarkers are needed to enhance therapeutics research and to understand PD pathogenesis. Methods that simultaneously measure hundreds of small molecular-weight compounds-metabolomic analysis-"fingerprint" disease-specific alterations in individual compounds or metabolic pathways. Beyond a nontargeted search for PD biomarkers, we hypothesized that PD cerebrospinal fluid would show increased formation of the excitotoxin 3-hydroxykynurenine and diminished concentration of the antioxidant glutathione. Cerebrospinal fluid was collected at <4 hours postmortem from 48 pathologically-verified PD subjects and 57 comparably-aged controls. Assays involved ultra-high-performance liquid and gas chromatography linked to mass spectrometry. We used univariate techniques to determine fold-changes in concentrations of biochemicals; false-discovery rates were calculated to exclude spurious findings. Data was modeled using a Support Vector Machine for analyzing compounds selected by Welch's t test. Classification accuracy was determined by cross-validation. Of 243 structurally-identified biochemicals,19 compounds differentiated PD from controls at a 20% false-discovery level. In PD, mean 3-hydroxykynurenine concentration was increased by one-third, and mean oxidized glutathione was decreased by 40% (for each, P < .01). Four of the 19 compounds differentiating PD from controls were N-acetylated amino acids, suggesting a generalized alteration in N-acetylation activity. The Support Vector Machine classification model distinguished between groups at 83% sensitivity and 91% specificity for the learning data, and at 65% and 79% from cross-validation. In this study, the first for metabolomic profiling of PD cerebrospinal fluid, we found several novel biomarkers and offer new directions for recognizing disease-specific biochemical indicators. The findings support involvement of excitotoxicity and oxidative stress in the pathogenesis of PD.
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Affiliation(s)
- Peter A Lewitt
- Department of Neurology, Henry Ford Hospital, West Bloomfield, Michigan, USA; School of Medicine, Wayne State University, Detroit, Michigan, USA
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47
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Colín-González AL, Maldonado PD, Santamaría A. 3-Hydroxykynurenine: an intriguing molecule exerting dual actions in the central nervous system. Neurotoxicology 2012; 34:189-204. [PMID: 23219925 DOI: 10.1016/j.neuro.2012.11.007] [Citation(s) in RCA: 83] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2012] [Revised: 11/23/2012] [Accepted: 11/27/2012] [Indexed: 11/26/2022]
Abstract
Kynurenine pathway is gaining attention due to the many metabolic processes in which it has been involved. The tryptophan conversion into several other metabolites through this pathway provides neuronal and redox modulators useful for maintenance of major functions in the brain. However, when physiopathological conditions prevail - i.e. oxidative stress, excitotoxicity, and inflammation - preferential formation and accumulation of toxic metabolites could trigger factors for degeneration in neurological disorders. 3-Hydroxykynurenine has been largely described as one of these toxic metabolites capable of inducing oxidative damage and cell death; consequently, this metabolite has been hypothesized to play a pivotal role in different neurological and psychiatric disorders. Supporting evidence has shown altered 3-hydroxykynurenine levels in samples of patients from several disorders. In contrast, some experimental studies have provided evidence of antioxidant and scavenging properties inherent to this molecule. In this review, we explored most of literature favoring one or the other concept, in order to provide an accurate vision on the real participation of this tryptophan metabolite in both experimental paradigms and human brain pathologies. Through this collected evidence, we provide an integrative hypothesis on how 3-hydroxykynurenine is exerting its dual actions in the central nervous system and what will be the course of investigations in this field for the next years.
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Affiliation(s)
- Ana Laura Colín-González
- Laboratorio de Aminoácidos Excitadores, Instituto Nacional de Neurología y Neurocirugía, Insurgentes Sur 3877, Mexico City 14269, Mexico
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48
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Barnum CJ, Tansey MG. Neuroinflammation and non-motor symptoms: the dark passenger of Parkinson's disease? Curr Neurol Neurosci Rep 2012; 12:350-8. [PMID: 22580742 DOI: 10.1007/s11910-012-0283-6] [Citation(s) in RCA: 59] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Generally speaking, inflammation as a key piece to the Parkinson's disease (PD) puzzle is a relatively new concept. Acceptance of this concept has gained ground as studies by various researchers have demonstrated the potential of mitigating nigral cell death by curtailing inflammation in animal models of PD. We propose that the significance of inflammation in PD pathology may extend beyond the nigrostriatal region. In the current review, we present an argument for this based on the Braak staging and discuss how inflammation might contribute to the development of non-motor PD symptoms.
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Affiliation(s)
- Christopher J Barnum
- Department of Physiology, School of Medicine at Emory University, 615 Michael Street, Atlanta, GA 30324, USA
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49
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Tan L, Yu JT, Tan L. The kynurenine pathway in neurodegenerative diseases: mechanistic and therapeutic considerations. J Neurol Sci 2012; 323:1-8. [PMID: 22939820 DOI: 10.1016/j.jns.2012.08.005] [Citation(s) in RCA: 101] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2012] [Revised: 07/10/2012] [Accepted: 08/08/2012] [Indexed: 12/11/2022]
Abstract
The kynurenine pathway (KP), the primary route of tryptophan degradation in mammalian cells, consists of many metabolites including kynurenic acid (KYNA), quinolinic acid (QUIN), 3-hydroxykynurenine (3-HK) and picolinic acid (PIC). The former two are neuroactive, while the latter two are molecules with pro-oxidants and antioxidants properties. These agents are considered to be involved in aging and numerous neurodegenerative diseases, such as Alzheimer's disease (AD), Parkinson's disease (PD), Huntington's disease (HD) and amyotrophic lateral sclerosis (ALS). Several studies have demonstrated that altered kynurenine metabolism plays an important role in the pathogenesis of this group of diseases. The important metabolites and key enzymes show significant importance in those disorders. Both analogs of the neuroprotective metabolites and small molecule enzyme inhibitors preventing the formation of neurotoxic compounds may have potential therapeutic significance. In this review we discuss the mechanistic and therapeutic considerations of KP in aging and the main neurodegenerative diseases and review the updated knowledge in this therapeutic field.
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Affiliation(s)
- Lin Tan
- Department of Neurology, Qingdao Municipal Hospital, School of Medicine, Qingdao University, China.
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50
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Dunkel P, Chai CL, Sperlágh B, Huleatt PB, Mátyus P. Clinical utility of neuroprotective agents in neurodegenerative diseases: current status of drug development for Alzheimer's, Parkinson's and Huntington's diseases, and amyotrophic lateral sclerosis. Expert Opin Investig Drugs 2012; 21:1267-308. [PMID: 22741814 DOI: 10.1517/13543784.2012.703178] [Citation(s) in RCA: 76] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
INTRODUCTION According to the definition of the Committee to Identify Neuroprotective Agents in Parkinson's Disease (CINAPS), "neuroprotection would be any intervention that favourably influences the disease process or underlying pathogenesis to produce enduring benefits for patients" [Meissner W, et al. Trends Pharmacol Sci 2004;25:249-253]. Preferably, neuroprotective agents should be used before or eventually during the prodromal phase of the diseases that could start decades before the appearance of symptoms. Although several symptomatic drugs are available, a disease-modifying agent is still elusive. AREAS COVERED The aim of the present review is to give an overview of neuroprotective agents being currently investigated for the treatment of AD, PD, HD and ALS in clinical phases. EXPERT OPINION Development of effective neuroprotective therapies resulting in clinically meaningful results is hampered by several factors in all research stages, both conceptual and methodological. Novel solutions might be offered by evaluation of new targets throughout clinical studies, therapies emerging from drug repositioning approaches, multi-target approaches and network pharmacology.
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Affiliation(s)
- Petra Dunkel
- Semmelweis University, Department of Organic Chemistry, Budapest, Hungary
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