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Angarita-Rodríguez A, Matiz-González JM, Pinzón A, Aristizabal AF, Ramírez D, Barreto GE, González J. Enzymatic Metabolic Switches of Astrocyte Response to Lipotoxicity as Potential Therapeutic Targets for Nervous System Diseases. Pharmaceuticals (Basel) 2024; 17:648. [PMID: 38794218 PMCID: PMC11124372 DOI: 10.3390/ph17050648] [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: 03/13/2024] [Revised: 04/25/2024] [Accepted: 05/09/2024] [Indexed: 05/26/2024] Open
Abstract
Astrocytes play a pivotal role in maintaining brain homeostasis. Recent research has highlighted the significance of palmitic acid (PA) in triggering pro-inflammatory pathways contributing to neurotoxicity. Furthermore, Genomic-scale metabolic models and control theory have revealed that metabolic switches (MSs) are metabolic pathway regulators by potentially exacerbating neurotoxicity, thereby offering promising therapeutic targets. Herein, we characterized these enzymatic MSs in silico as potential therapeutic targets, employing protein-protein and drug-protein interaction networks alongside structural characterization techniques. Our findings indicate that five MSs (P00558, P04406, Q08426, P09110, and O76062) were functionally linked to nervous system drug targets and may be indirectly regulated by specific neurological drugs, some of which exhibit polypharmacological potential (e.g., Trifluperidol, Trifluoperazine, Disulfiram, and Haloperidol). Furthermore, four MSs (P00558, P04406, Q08426, and P09110) feature ligand-binding or allosteric cavities with druggable potential. Our results advocate for a focused exploration of P00558 (phosphoglycerate kinase 1), P04406 (glyceraldehyde-3-phosphate dehydrogenase), Q08426 (peroxisomal bifunctional enzyme, enoyl-CoA hydratase, and 3-hydroxyacyl CoA dehydrogenase), P09110 (peroxisomal 3-ketoacyl-CoA thiolase), and O76062 (Delta(14)-sterol reductase) as promising targets for the development or repurposing of pharmacological compounds, which could have the potential to modulate lipotoxic-altered metabolic pathways, offering new avenues for the treatment of related human diseases such as neurological diseases.
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Affiliation(s)
- Andrea Angarita-Rodríguez
- Departamento de Nutrición y Bioquímica, Facultad de Ciencias, Pontificia Universidad Javeriana, Bogotá 110231, Colombia
- Laboratorio de Bioinformática y Biología de Sistemas, Universidad Nacional de Colombia, Bogotá 111321, Colombia
| | - J. Manuel Matiz-González
- Molecular Genetics and Antimicrobial Resistance Unit, Universidad El Bosque, Bogotá 110121, Colombia
| | - Andrés Pinzón
- Laboratorio de Bioinformática y Biología de Sistemas, Universidad Nacional de Colombia, Bogotá 111321, Colombia
| | - Andrés Felipe Aristizabal
- Departamento de Nutrición y Bioquímica, Facultad de Ciencias, Pontificia Universidad Javeriana, Bogotá 110231, Colombia
| | - David Ramírez
- Departamento de Farmacología, Facultad de Ciencias Biológicas, Universidad de Concepción, Concepción 4030000, Chile
| | - George E. Barreto
- Department of Biological Sciences, University of Limerick, V94 T9PX Limerick, Ireland
- Health Research Institute, University of Limerick, V94 T9PX Limerick, Ireland
| | - Janneth González
- Departamento de Nutrición y Bioquímica, Facultad de Ciencias, Pontificia Universidad Javeriana, Bogotá 110231, Colombia
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Ribarič S. The Contribution of Type 2 Diabetes to Parkinson's Disease Aetiology. Int J Mol Sci 2024; 25:4358. [PMID: 38673943 PMCID: PMC11050090 DOI: 10.3390/ijms25084358] [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: 02/29/2024] [Revised: 03/29/2024] [Accepted: 04/11/2024] [Indexed: 04/28/2024] Open
Abstract
Type 2 diabetes (T2D) and Parkinson's disease (PD) are chronic disorders that have a significant health impact on a global scale. Epidemiological, preclinical, and clinical research underpins the assumption that insulin resistance and chronic inflammation contribute to the overlapping aetiologies of T2D and PD. This narrative review summarises the recent evidence on the contribution of T2D to the initiation and progression of PD brain pathology. It also briefly discusses the rationale and potential of alternative pharmacological interventions for PD treatment.
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Affiliation(s)
- Samo Ribarič
- Institute of Pathophysiology, Faculty of Medicine, University of Ljubljana, Zaloška 4, 1000 Ljubljana, Slovenia
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3
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Buneeva OA, Kapitsa IG, Kazieva LS, Vavilov NE, Zgoda VG, Medvedev AE. The delayed effect of rotenone on the relative content of brain isatin-binding proteins of rats with experimental parkinsonism. BIOMEDITSINSKAIA KHIMIIA 2024; 70:25-32. [PMID: 38450678 DOI: 10.18097/pbmc20247001025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/08/2024]
Abstract
Isatin (indoldione-2,3) is an endogenous biological regulator found in the brain, peripheral tissues, and biological fluids of humans and animals. Its biological activity is realized via isatin-binding proteins, many of which were identified during proteomic profiling of the brain of mice and rats. A number of these proteins are related to the development of neurodegenerative diseases. Previously, using a model of experimental Parkinsonism induced by a seven-day course of rotenone injections, we have observed behavioral disturbances, as well as changes in the profile and relative content of brain isatin-binding proteins. In this study, we have investigated behavioral responses and the relative content of brain isatin-binding proteins in rats with rotenone-induced Parkinsonism 5 days after the last administration of this neurotoxin. Despite the elimination of rotenone, animals exhibited motor and coordination impairments. Proteomic profiling of isatin-binding proteins revealed changes in the relative content of 120 proteins (the relative content of 83 proteins increased and that of 37 proteins decreased). Comparison of isatin-binding proteins characterized by the changes in the relative content observed in the brain right after the last injection of rotenone (n=16) and 5 days later (n=11) revealed only two common proteins (glyceraldehyde-3-phosphate dehydrogenase and subunit B of V-type proton ATPase). However, most of these proteins are associated with neurodegeneration, including Parkinson's and Alzheimer's diseases.
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Affiliation(s)
- O A Buneeva
- Institute of Biomedical Chemistry, Moscow, Russia
| | - I G Kapitsa
- Institute of Biomedical Chemistry, Moscow, Russia; Zakusov Institute of Pharmacology, Moscow, Russia
| | - L Sh Kazieva
- Institute of Biomedical Chemistry, Moscow, Russia
| | - N E Vavilov
- Institute of Biomedical Chemistry, Moscow, Russia
| | - V G Zgoda
- Institute of Biomedical Chemistry, Moscow, Russia
| | - A E Medvedev
- Institute of Biomedical Chemistry, Moscow, Russia
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4
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Serra M, Di Maio A, Bassareo V, Nuzzo T, Errico F, Servillo F, Capasso M, Parekh P, Li Q, Thiolat ML, Bezard E, Calabresi P, Sulzer D, Carta M, Morelli M, Usiello A. Perturbation of serine enantiomers homeostasis in the striatum of MPTP-lesioned monkeys and mice reflects the extent of dopaminergic midbrain degeneration. Neurobiol Dis 2023:106226. [PMID: 37451474 DOI: 10.1016/j.nbd.2023.106226] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2023] [Revised: 07/07/2023] [Accepted: 07/10/2023] [Indexed: 07/18/2023] Open
Abstract
Loss of dopaminergic midbrain neurons perturbs l-serine and d-serine homeostasis in the post-mortem caudate putamen (CPu) of Parkinson's disease (PD) patients. However, it is unclear whether the severity of dopaminergic nigrostriatal degeneration plays a role in deregulating serine enantiomers' metabolism. Here, through high-performance liquid chromatography (HPLC), we measured the levels of these amino acids in 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP)-treated monkeys and MPTP-plus-probenecid (MPTPp)-treated mice to determine whether and how dopaminergic midbrain degeneration affects the levels of serine enantiomers in various basal ganglia subregions. In addition, in the same brain regions, we measured the levels of key neuroactive amino acids modulating glutamatergic neurotransmission, including L-glutamate, glycine, l-aspartate, d-aspartate, and their precursors l-glutamine, L-asparagine. In monkeys, MPTP treatment produced severe denervation of nigrostriatal dopaminergic fibers (⁓75%) and increased the levels of serine enantiomers in the rostral putamen (rPut), but not in the subthalamic nucleus, and the lateral and medial portion of the globus pallidus. Moreover, this neurotoxin significantly reduced the protein expression of the astrocytic serine transporter ASCT1 and the glycolytic enzyme GAPDH in the rPut of monkeys. Conversely, concentrations of d-serine and l-serine, as well as ASCT1 and GAPDH expression were unaffected in the striatum of MPTPp-treated mice, which showed only mild dopaminergic degeneration (⁓30%). These findings unveil a link between the severity of dopaminergic nigrostriatal degeneration and striatal serine enantiomers concentration, ASCT1 and GAPDH expression. We hypothesize that the up-regulation of d-serine and l-serine levels occurs as a secondary response within a homeostatic loop to support the metabolic and neurotransmission demands imposed by the degeneration of dopaminergic neurons.
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Affiliation(s)
- Marcello Serra
- Department of Biomedical Sciences, University of Cagliari, Monserrato, Italy
| | - Anna Di Maio
- Laboratory of Translational Neuroscience, CEINGE Biotecnologie Avanzate Francesco Salvatore, Naples, Italy; Department of Environmental, Biological and Pharmaceutical Science and Technologies, Università Degli Studi della Campania "Luigi Vanvitelli", Caserta, Italy
| | - Valentina Bassareo
- Department of Biomedical Sciences, University of Cagliari, Monserrato, Italy
| | - Tommaso Nuzzo
- Laboratory of Translational Neuroscience, CEINGE Biotecnologie Avanzate Francesco Salvatore, Naples, Italy; Department of Environmental, Biological and Pharmaceutical Science and Technologies, Università Degli Studi della Campania "Luigi Vanvitelli", Caserta, Italy
| | - Francesco Errico
- Laboratory of Translational Neuroscience, CEINGE Biotecnologie Avanzate Francesco Salvatore, Naples, Italy; Department of Agricultural Sciences, University of Naples "Federico II", Naples, Italy
| | - Federica Servillo
- Department of Neuroscience, Cattolica Sacro Cuore University, Rome, Italy
| | - Mario Capasso
- Laboratory of Translational Neuroscience, CEINGE Biotecnologie Avanzate Francesco Salvatore, Naples, Italy; Dipartimento di Medicina Molecolare e Biotecnologie Mediche, Università degli Studi di Napoli Federico II, Via Pansini, 5, Napoli 80131, Italy
| | - Pathik Parekh
- Department of Biomedical Sciences, University of Cagliari, Monserrato, Italy
| | - Qin Li
- Motac Neuroscience, UKM15 6WE, Manchester, United Kingdom; Institute of Lab Animal Sciences, China Academy of Medical Sciences, Beijing, China
| | - Marie-Laure Thiolat
- Université de Bordeaux, Institut des Maladies Neurodégénératives, Bordeaux, France; Centre National de la Recherche Scientifique Unité Mixte de Recherche 5293, Institut des Maladies Neurodégénératives, Bordeaux, France
| | - Erwan Bezard
- Motac Neuroscience, UKM15 6WE, Manchester, United Kingdom; Institute of Lab Animal Sciences, China Academy of Medical Sciences, Beijing, China; Université de Bordeaux, Institut des Maladies Neurodégénératives, Bordeaux, France; Centre National de la Recherche Scientifique Unité Mixte de Recherche 5293, Institut des Maladies Neurodégénératives, Bordeaux, France
| | - Paolo Calabresi
- Department of Neuroscience, Cattolica Sacro Cuore University, Rome, Italy; Neurologia, Policlinico Universitario A. Gemelli, IRCCS, Rome, Italy
| | - David Sulzer
- Departments of Psychiatry, Neurology, Pharmacology, Columbia University Irving Medical Center, Division of Molecular Therapeutics, New York State Psychiatric Institute, New York, NY 10032, USA
| | - Manolo Carta
- Department of Biomedical Sciences, University of Cagliari, Monserrato, Italy
| | - Micaela Morelli
- Department of Biomedical Sciences, University of Cagliari, Monserrato, Italy; National Research Council of Italy, Institute of Neuroscience, Cagliari, Italy
| | - Alessandro Usiello
- Laboratory of Translational Neuroscience, CEINGE Biotecnologie Avanzate Francesco Salvatore, Naples, Italy; Department of Environmental, Biological and Pharmaceutical Science and Technologies, Università Degli Studi della Campania "Luigi Vanvitelli", Caserta, Italy.
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Dai C, Tan C, Zhao L, Liang Y, Liu G, Liu H, Zhong Y, Liu Z, Mo L, Liu X, Chen L. Glucose Metabolism Impairment in Parkinson's Disease. Brain Res Bull 2023; 199:110672. [PMID: 37210012 DOI: 10.1016/j.brainresbull.2023.110672] [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: 02/07/2023] [Revised: 04/19/2023] [Accepted: 05/17/2023] [Indexed: 05/22/2023]
Abstract
Impairments in systematic and regional glucose metabolism exist in patients with Parkinson's disease (PD) at every stage of the disease course, and such impairments are associated with the incidence, progression, and special phenotypes of PD, which affect each physiological process of glucose metabolism including glucose uptake, glycolysis, tricarboxylic acid cycle, oxidative phosphorylation, and pentose phosphate shunt pathway. These impairments may be attributed to various mechanisms, such as insulin resistance, oxidative stress, abnormal glycated modification, blood-brain-barrier dysfunction, and hyperglycemia-induced damages. These mechanisms could subsequently cause excessive methylglyoxal and reactive oxygen species production, neuroinflammation, abnormal aggregation of protein, mitochondrial dysfunction, and decreased dopamine, and finally result in energy supply insufficiency, neurotransmitter dysregulation, aggregation and phosphorylation of α-synuclein, and dopaminergic neuron loss. This review discusses the glucose metabolism impairment in PD and its pathophysiological mechanisms, and briefly summarized the currently-available therapies targeting glucose metabolism impairment in PD, including glucagon-likepeptide-1 (GLP-1) receptor agonists and dual GLP-1/gastric inhibitory peptide receptor agonists, metformin, and thiazoledinediones.
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Affiliation(s)
- Chengcheng Dai
- Department of Neurology, The Second Affiliated Hospital of Chongqing Medical University, 74 Linjiang Road, Yuzhong District, Chongqing, 400010, China.
| | - Changhong Tan
- Department of Neurology, The Second Affiliated Hospital of Chongqing Medical University, 74 Linjiang Road, Yuzhong District, Chongqing, 400010, China.
| | - Lili Zhao
- Department of Neurology, The Second Affiliated Hospital of Chongqing Medical University, 74 Linjiang Road, Yuzhong District, Chongqing, 400010, China.
| | - Yi Liang
- Department of Neurology, The Second Affiliated Hospital of Chongqing Medical University, 74 Linjiang Road, Yuzhong District, Chongqing, 400010, China.
| | - Guohui Liu
- Department of Neurology, The Second Affiliated Hospital of Chongqing Medical University, 74 Linjiang Road, Yuzhong District, Chongqing, 400010, China.
| | - Hang Liu
- Department of Neurology, The Second Affiliated Hospital of Chongqing Medical University, 74 Linjiang Road, Yuzhong District, Chongqing, 400010, China.
| | - Yuke Zhong
- Department of Neurology, The Second Affiliated Hospital of Chongqing Medical University, 74 Linjiang Road, Yuzhong District, Chongqing, 400010, China.
| | - Zhihui Liu
- Department of Neurology, The Second Affiliated Hospital of Chongqing Medical University, 74 Linjiang Road, Yuzhong District, Chongqing, 400010, China.
| | - Lijuan Mo
- Department of Neurology, The Second Affiliated Hospital of Chongqing Medical University, 74 Linjiang Road, Yuzhong District, Chongqing, 400010, China.
| | - Xi Liu
- Department of Neurology, The Second Affiliated Hospital of Chongqing Medical University, 74 Linjiang Road, Yuzhong District, Chongqing, 400010, China.
| | - Lifen Chen
- Department of Neurology, The Second Affiliated Hospital of Chongqing Medical University, 74 Linjiang Road, Yuzhong District, Chongqing, 400010, China.
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6
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Rani L, Ranjan Sahu M, Chandra Mondal A. Age-related Mitochondrial Dysfunction in Parkinson's Disease: New Insights Into the Disease Pathology. Neuroscience 2022; 499:152-169. [PMID: 35839924 DOI: 10.1016/j.neuroscience.2022.07.007] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Revised: 06/13/2022] [Accepted: 07/07/2022] [Indexed: 12/14/2022]
Abstract
Aging is a progressive loss of physiological function that increases risk of disease and death. Among the many factors that contribute to human aging, mitochondrial dysfunction has emerged as one of the most prominent features of the aging process. It has been linked to the development of various age-related pathologies, including Parkinson's disease (PD). Mitochondria has a complex quality control system that ensures mitochondrial integrity and function. Perturbations in these mitochondrial mechanisms have long been linked to various age-related neurological disorders. Even though research has shed light on several aspects of the disease pathology, the underlying mechanism of age-related factors responsible for individuals developing this disease is still unknown. This review article aims to discuss the role of mitochondria in the transition from normal brain aging to pathological brain aging, which leads to the progression of PD. We have discussed the emerging evidence on how age-related disruption of mitochondrial quality control mechanisms contributes to the development of PD-related pathophysiology.
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Affiliation(s)
- Linchi Rani
- Laboratory of Cellular and Molecular Neurobiology, School of Life Sciences, Jawaharlal Nehru University, New Delhi, Delhi, India
| | - Manas Ranjan Sahu
- Laboratory of Cellular and Molecular Neurobiology, School of Life Sciences, Jawaharlal Nehru University, New Delhi, Delhi, India
| | - Amal Chandra Mondal
- Laboratory of Cellular and Molecular Neurobiology, School of Life Sciences, Jawaharlal Nehru University, New Delhi, Delhi, India.
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7
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Muronetz VI, Kudryavtseva SS, Leisi EV, Kurochkina LP, Barinova KV, Schmalhausen EV. Regulation by Different Types of Chaperones of Amyloid Transformation of Proteins Involved in the Development of Neurodegenerative Diseases. Int J Mol Sci 2022; 23:ijms23052747. [PMID: 35269889 PMCID: PMC8910861 DOI: 10.3390/ijms23052747] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Revised: 02/21/2022] [Accepted: 02/28/2022] [Indexed: 02/06/2023] Open
Abstract
The review highlights various aspects of the influence of chaperones on amyloid proteins associated with the development of neurodegenerative diseases and includes studies conducted in our laboratory. Different sections of the article are devoted to the role of chaperones in the pathological transformation of alpha-synuclein and the prion protein. Information about the interaction of the chaperonins GroE and TRiC as well as polymer-based artificial chaperones with amyloidogenic proteins is summarized. Particular attention is paid to the effect of blocking chaperones by misfolded and amyloidogenic proteins. It was noted that the accumulation of functionally inactive chaperones blocked by misfolded proteins might cause the formation of amyloid aggregates and prevent the disassembly of fibrillar structures. Moreover, the blocking of chaperones by various forms of amyloid proteins might lead to pathological changes in the vital activity of cells due to the impaired folding of newly synthesized proteins and their subsequent processing. The final section of the article discusses both the little data on the role of gut microbiota in the propagation of synucleinopathies and prion diseases and the possible involvement of the bacterial chaperone GroE in these processes.
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Affiliation(s)
- Vladimir I. Muronetz
- Belozersky Institute of Physico Chemical Biology, Lomonosov Moscow State University, 119991 Moscow, Russia; (L.P.K.); (K.V.B.); (E.V.S.)
- Faculty of Bioengineering and Bioinformatics, Lomonosov Moscow State University, 119991 Moscow, Russia;
- Correspondence:
| | - Sofia S. Kudryavtseva
- Faculty of Bioengineering and Bioinformatics, Lomonosov Moscow State University, 119991 Moscow, Russia;
- Faculty of Biology, Lomonosov Moscow State University, 119991 Moscow, Russia;
| | - Evgeniia V. Leisi
- Faculty of Biology, Lomonosov Moscow State University, 119991 Moscow, Russia;
| | - Lidia P. Kurochkina
- Belozersky Institute of Physico Chemical Biology, Lomonosov Moscow State University, 119991 Moscow, Russia; (L.P.K.); (K.V.B.); (E.V.S.)
| | - Kseniya V. Barinova
- Belozersky Institute of Physico Chemical Biology, Lomonosov Moscow State University, 119991 Moscow, Russia; (L.P.K.); (K.V.B.); (E.V.S.)
| | - Elena V. Schmalhausen
- Belozersky Institute of Physico Chemical Biology, Lomonosov Moscow State University, 119991 Moscow, Russia; (L.P.K.); (K.V.B.); (E.V.S.)
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8
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Muronetz VI, Medvedeva MV, Sevostyanova IA, Schmalhausen EV. Modification of Glyceraldehyde-3-Phosphate Dehydrogenase with Nitric Oxide: Role in Signal Transduction and Development of Apoptosis. Biomolecules 2021; 11:1656. [PMID: 34827652 PMCID: PMC8615796 DOI: 10.3390/biom11111656] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Revised: 11/01/2021] [Accepted: 11/04/2021] [Indexed: 01/07/2023] Open
Abstract
This review focuses on the consequences of GAPDH S-nitrosylation at the catalytic cysteine residue. The widespread hypothesis according to which S-nitrosylation causes a change in GAPDH structure and its subsequent binding to the Siah1 protein is considered in detail. It is assumed that the GAPDH complex with Siah1 is transported to the nucleus by carrier proteins, interacts with nuclear proteins, and induces apoptosis. However, there are several conflicting and unproven elements in this hypothesis. In particular, there is no direct confirmation of the interaction between the tetrameric GAPDH and Siah1 caused by S-nitrosylation of GAPDH. The question remains as to whether the translocation of GAPDH into the nucleus is caused by S-nitrosylation or by some other modification of the catalytic cysteine residue. The hypothesis of the induction of apoptosis by oxidation of GAPDH is considered. This oxidation leads to a release of the coenzyme NAD+ from the active center of GAPDH, followed by the dissociation of the tetramer into subunits, which move to the nucleus due to passive transport and induce apoptosis. In conclusion, the main tasks are summarized, the solutions to which will make it possible to more definitively establish the role of nitric oxide in the induction of apoptosis.
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Affiliation(s)
- Vladimir I. Muronetz
- Belozersky Institute of Physico Chemical Biology, Lomonosov Moscow State University, 119234 Moscow, Russia; (I.A.S.); (E.V.S.)
- Faculty of Bioengineering and Bioinformatics, Lomonosov Moscow State University, 119234 Moscow, Russia;
| | - Maria V. Medvedeva
- Faculty of Bioengineering and Bioinformatics, Lomonosov Moscow State University, 119234 Moscow, Russia;
| | - Irina A. Sevostyanova
- Belozersky Institute of Physico Chemical Biology, Lomonosov Moscow State University, 119234 Moscow, Russia; (I.A.S.); (E.V.S.)
| | - Elena V. Schmalhausen
- Belozersky Institute of Physico Chemical Biology, Lomonosov Moscow State University, 119234 Moscow, Russia; (I.A.S.); (E.V.S.)
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Melnikova A, Pozdyshev D, Barinova K, Kudryavtseva S, Muronetz VI. α-Synuclein Overexpression in SH-SY5Y Human Neuroblastoma Cells Leads to the Accumulation of Thioflavin S-positive Aggregates and Impairment of Glycolysis. BIOCHEMISTRY (MOSCOW) 2021; 85:604-613. [PMID: 32571190 DOI: 10.1134/s0006297920050090] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Deterioration of energy metabolism in affected cells is an important feature of synucleinopathies, including Parkinson's disease. Here, we studied the association between α-synuclein accumulation and glycolysis using SH-SY5Y neuroblastoma cell lines stably expressing wild-type α-synuclein or its A53T mutant linked to the autosomal dominant form of the disease. Overexpression of both proteins led to the accumulation of thioflavin S-positive aggregates, more pronounced for α-synuclein A53T. It also caused changes in the cell energy metabolism manifested as a decrease in the lactate accumulation and glucose uptake. Impairments in glycolysis were also accompanied by a decrease in the activity of the glycolytic enzyme glyceraldehyde-3-phosphate dehydrogenase (GAPDH). In vitro experiments with purified proteins indicated that GAPDH inactivation might be caused by its binding to the monomeric and oligomeric forms of α-synuclein. Therefore, a decrease in the GAPDH activity induced by its interaction with α-synuclein, might be one of the causes of glucose metabolism deterioration in synucleinopathies.
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Affiliation(s)
- A Melnikova
- Lomonosov Moscow State University, Faculty of Bioengineering and Bioinformatics, Moscow, 119234, Russia.
| | - D Pozdyshev
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow, 119234, Russia
| | - K Barinova
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow, 119234, Russia
| | - S Kudryavtseva
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow, 119234, Russia
| | - V I Muronetz
- Lomonosov Moscow State University, Faculty of Bioengineering and Bioinformatics, Moscow, 119234, Russia.,Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow, 119234, Russia
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10
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Zanyatkin IA, Stroylova YY, Melnikova AK, Moosavi-Movahedi AA, Saboury AA, Haertle T, Muronetz VI. Unusual spiral structures formed by glycated β-casein in the presence of thioflavin T: amyloid transformation? MENDELEEV COMMUNICATIONS 2021. [DOI: 10.1016/j.mencom.2021.01.022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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11
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Glycation of glyceraldehyde-3-phosphate dehydrogenase inhibits the binding with α-synuclein and RNA. Arch Biochem Biophys 2020; 698:108744. [PMID: 33385367 DOI: 10.1016/j.abb.2020.108744] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2020] [Revised: 12/18/2020] [Accepted: 12/21/2020] [Indexed: 01/18/2023]
Abstract
Glyceraldehyde-3-phosphate dehydrogenase (GAPDH) shows great diversity of functions, interaction partners and post-translational modifications. GAPDH undergoes glycation of positively charged residues in diabetic patient's tissues and therefore may change interaction with partners. The influence of GAPDH glycation on interaction with two important partners, α-synuclein and RNA, has been investigated in silico using molecular dynamics simulations and in vitro using surface plasmon resonance measurements. Since positively charged groove including substrate- and NAD+-binding sites is proposed as potential binding site for α-synuclein and RNA, GAPDH was glycated on residues in grooves and randomly distributed over the whole surface. Lysine residues were replaced with negatively charged carboxymethyl lysine as a widespread advanced glycation end product. As results, GAPDH glycation suppressed the interaction with α-synuclein and RNA. Although the modified GAPDH residues participated in binding with α-synuclein, no stable binding site with both glycated forms was observed. Glycation along the whole GAPDH surface completely suppressed interaction with RNA, whereas the alternative possible RNA binding site was identified in case of groove glycation. The findings were supported by direct measurement of the binding affinity. The obtained results clarify effect of glycation on GAPDH interaction with α-synuclein and RNA and elucidate a possible mechanism of interplay between glycation occurred in diabetes and neurodegenerative diseases, which GAPDH and α-synuclein are involved in.
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Muronetz VI, Melnikova AK, Saso L, Schmalhausen EV. Influence of Oxidative Stress on Catalytic and Non-glycolytic Functions of Glyceraldehyde-3-phosphate Dehydrogenase. Curr Med Chem 2020; 27:2040-2058. [PMID: 29848267 DOI: 10.2174/0929867325666180530101057] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2018] [Revised: 04/24/2018] [Accepted: 04/24/2018] [Indexed: 11/22/2022]
Abstract
BACKGROUND Glyceraldehyde-3-phosphate Dehydrogenase (GAPDH) is a unique enzyme that, besides its main function in glycolysis (catalysis of glyceraldehyde-3-phosphate oxidation), possesses a number of non-glycolytic activities. The present review summarizes information on the role of oxidative stress in the regulation of the enzymatic activity as well as non-glycolytic functions of GAPDH. METHODS Based on the analysis of literature data and the results obtained in our research group, mechanisms of the regulation of GAPDH functions through the oxidation of the sulfhydryl groups in the active site of the enzyme have been suggested. RESULTS Mechanism of GAPDH oxidation includes consecutive oxidation of the catalytic Cysteine (Cys150) into sulfenic, sulfinic, and sulfonic acid derivatives, resulting in the complete inactivation of the enzyme. The cysteine sulfenic acid reacts with reduced glutathione (GSH) to form a mixed disulfide (S-glutathionylated GAPDH) that further reacts with Cys154 yielding the disulfide bond in the active site of the enzyme. In contrast to the sulfinic and sulfonic acids, the mixed disulfide and the intramolecular disulfide bond are reversible oxidation products that can be reduced in the presence of GSH or thioredoxin. CONCLUSION Oxidation of sulfhydryl groups in the active site of GAPDH is unavoidable due to the enhanced reactivity of Cys150. The irreversible oxidation of Cys150 is prevented by Sglutathionylation and disulfide bonding with Cys154. The oxidation/reduction of the sulfhydryl groups in the active site of GAPDH can be used for regulation of glycolysis and numerous side activities of this enzyme including the induction of apoptosis.
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Affiliation(s)
- Vladimir I Muronetz
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow, Russian Federation
| | - Aleksandra K Melnikova
- Faculty of Bioengineering and Bioinformatics, Lomonosov Moscow State University, Moscow, Russian Federation
| | - Luciano Saso
- Department of Physiology and Pharmacology "Vittorio Erspamer"Sapienza, University of Rome, Rome, Italy
| | - Elena V Schmalhausen
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow, Russian Federation
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Glyceraldehyde-3-phosphate Dehydrogenase is a Multifaceted Therapeutic Target. Pharmaceutics 2020; 12:pharmaceutics12050416. [PMID: 32370188 PMCID: PMC7285110 DOI: 10.3390/pharmaceutics12050416] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2020] [Revised: 04/28/2020] [Accepted: 05/01/2020] [Indexed: 02/07/2023] Open
Abstract
Glyceraldehyde-3-phosphate dehydrogenase (GAPDH) is a glycolytic enzyme whose role in cell metabolism and homeostasis is well defined, while its function in pathologic processes needs further elucidation. Depending on the cell context, GAPDH may bind a number of physiologically important proteins, control their function and correspondingly affect the cell’s fate. These interprotein interactions and post-translational modifications of GAPDH mediate its cytotoxic or cytoprotective functions in the manner of a Janus-like molecule. In this review, we discuss the functional features of the enzyme in cellular physiology and its possible involvement in human pathologies. In the last part of the article, we describe drugs that can be employed to modulate this enzyme’s function in some pathologic states.
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El Haddad S, Serrano A, Moal F, Normand T, Robin C, Charpentier S, Valery A, Brulé-Morabito F, Auzou P, Mollet L, Ozsancak C, Legrand A. Disturbed expression of autophagy genes in blood of Parkinson’s disease patients. Gene 2020; 738:144454. [DOI: 10.1016/j.gene.2020.144454] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2019] [Revised: 01/17/2020] [Accepted: 02/04/2020] [Indexed: 12/26/2022]
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Alpha-Synuclein Amyloid Aggregation Is Inhibited by Sulfated Aromatic Polymers and Pyridinium Polycation. Polymers (Basel) 2020; 12:polym12030517. [PMID: 32121059 PMCID: PMC7182936 DOI: 10.3390/polym12030517] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2020] [Revised: 02/21/2020] [Accepted: 02/26/2020] [Indexed: 12/16/2022] Open
Abstract
The effect of a range of synthetic charged polymers on alpha-synuclein aggregation and amyloid formation was tested. Sulfated aromatic polymers, poly(styrene sulfonate) and poly(anethole sulfonate), have been found to suppress the fibril formation. In this case, small soluble complexes, which do not bind with thioflavin T, have been formed in contrast to the large stick-type fibrils of free alpha-synuclein. Sulfated polysaccharide (dextran sulfate), as well as sulfated vinylic polymer (poly(vinyl sulfate)) and polycarboxylate (poly(methacrylic acid)), enhanced amyloid aggregation. Conversely, pyridinium polycation, poly(N-ethylvinylpyridinium), switched the mechanism of alpha-synuclein aggregation from amyloidogenic to amorphous, which resulted in the formation of large amorphous aggregates that do not bind with thioflavin T. The obtained results are relevant as a model of charged macromolecules influence on amyloidosis development in humans. In addition, these results may be helpful in searching for new approaches for synucleinopathies treatment with the use of natural polymers.
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16
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Barinova KV, Serebryakova MV, Eldarov MA, Kulikova AA, Mitkevich VA, Muronetz VI, Schmalhausen EV. S-glutathionylation of human glyceraldehyde-3-phosphate dehydrogenase and possible role of Cys152-Cys156 disulfide bridge in the active site of the protein. Biochim Biophys Acta Gen Subj 2020; 1864:129560. [PMID: 32061786 DOI: 10.1016/j.bbagen.2020.129560] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2019] [Revised: 01/13/2020] [Accepted: 02/12/2020] [Indexed: 11/28/2022]
Abstract
BACKGROUND We previously showed that glyceraldehyde-3-phosphate dehydrogenase (GAPDH) is S-glutathionylated in the presence of H2O2 and GSH. S-glutathionylation was shown to result in the formation of a disulfide bridge in the active site of the protein. In the present work, the possible biological significance of the disulfide bridge was investigated. METHODS Human recombinant GAPDH with the mutation C156S (hGAPDH_C156S) was obtained to prevent the formation of the disulfide bridge. Properties of S-glutathionylated hGAPDH_C156S were studied in comparison with those of the wild-type protein hGAPDH. RESULTS S-glutathionylation of hGAPDH and hGAPDH_C156S results in the reversible inactivation of the proteins. In both cases, the modification results in corresponding mixed disulfides between the catalytic Cys152 and GSH. In the case of hGAPDH, the mixed disulfide breaks down yielding Cys152-Cys156 disulfide bridge in the active site. In hGAPDH_C156S, the mixed disulfide is stable. Differential scanning calorimetry method showed that S-glutathionylation leads to destabilization of hGAPDH molecule, but does not affect significantly hGAPDH_C156S. Reactivation of S-glutathionylated hGAPDH in the presence of GSH and glutaredoxin 1 is approximately two-fold more efficient compared to that of hGAPDH_C156S. CONCLUSIONS S-glutathionylation induces the formation of Cys152-Cys156 disulfide bond in the active site of hGAPDH, which results in structural changes of the protein molecule. Cys156 is important for reactivation of S-glutathionylated GAPDH by glutaredoxin 1. GENERAL SIGNIFICANCE The described mechanism may be important for interaction between GAPDH and other proteins and ligands, involved in cell signaling.
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Affiliation(s)
- K V Barinova
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow 119234, Russia
| | - M V Serebryakova
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow 119234, Russia
| | - M A Eldarov
- Institute of Bioengineering, Research Center of Biotechnology of the Russian Academy of Sciences, Leninsky prosp. 33-2, Moscow 119071, Russia
| | - A A Kulikova
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Vavilova 32, Moscow 119991, Russia
| | - V A Mitkevich
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Vavilova 32, Moscow 119991, Russia
| | - V I Muronetz
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow 119234, Russia; Faculty of Bioengineering and Bioinformatics, Lomonosov Moscow State University, Moscow 119234, Russia
| | - E V Schmalhausen
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow 119234, Russia.
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Abstract
NAD+ is a pivotal metabolite involved in cellular bioenergetics, genomic stability, mitochondrial homeostasis, adaptive stress responses, and cell survival. Multiple NAD+-dependent enzymes are involved in synaptic plasticity and neuronal stress resistance. Here, we review emerging findings that reveal key roles for NAD+ and related metabolites in the adaptation of neurons to a wide range of physiological stressors and in counteracting processes in neurodegenerative diseases, such as those occurring in Alzheimer's, Parkinson's, and Huntington diseases, and amyotrophic lateral sclerosis. Advances in understanding the molecular and cellular mechanisms of NAD+-based neuronal resilience will lead to novel approaches for facilitating healthy brain aging and for the treatment of a range of neurological disorders.
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Affiliation(s)
- Sofie Lautrup
- Department of Clinical Molecular Biology, University of Oslo and Akershus University Hospital, 1478 Lørenskog, Norway
| | - David A Sinclair
- Department of Genetics, Harvard Medical School, Boston, MA 02115, USA; Department of Pharmacology, School of Medical Sciences, University of New South Wales, Sydney, NSW 2052, Australia
| | - Mark P Mattson
- Department of Neuroscience, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
| | - Evandro F Fang
- Department of Clinical Molecular Biology, University of Oslo and Akershus University Hospital, 1478 Lørenskog, Norway; The Norwegian Centre on Healthy Ageing (NO-Age), Oslo, Norway.
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18
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Semenyuk P, Barinova K, Muronetz V. Glycation of α-synuclein amplifies the binding with glyceraldehyde-3-phosphate dehydrogenase. Int J Biol Macromol 2019; 127:278-285. [DOI: 10.1016/j.ijbiomac.2019.01.064] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2018] [Revised: 01/14/2019] [Accepted: 01/14/2019] [Indexed: 02/06/2023]
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19
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Semenyuk P, Muronetz V. Protein Interaction with Charged Macromolecules: From Model Polymers to Unfolded Proteins and Post-Translational Modifications. Int J Mol Sci 2019; 20:E1252. [PMID: 30871103 PMCID: PMC6429204 DOI: 10.3390/ijms20051252] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2019] [Revised: 03/05/2019] [Accepted: 03/07/2019] [Indexed: 12/18/2022] Open
Abstract
Interaction of proteins with charged macromolecules is involved in many processes in cells. Firstly, there are many naturally occurred charged polymers such as DNA and RNA, polyphosphates, sulfated glycosaminoglycans, etc., as well as pronouncedly charged proteins such as histones or actin. Electrostatic interactions are also important for "generic" proteins, which are not generally considered as polyanions or polycations. Finally, protein behavior can be altered due to post-translational modifications such as phosphorylation, sulfation, and glycation, which change a local charge of the protein region. Herein we review molecular modeling for the investigation of such interactions, from model polyanions and polycations to unfolded proteins. We will show that electrostatic interactions are ubiquitous, and molecular dynamics simulations provide an outstanding opportunity to look inside binding and reveal the contribution of electrostatic interactions. Since a molecular dynamics simulation is only a model, we will comprehensively consider its relationship with the experimental data.
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Affiliation(s)
- Pavel Semenyuk
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, 119234 Moscow, Russia.
| | - Vladimir Muronetz
- Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, 119234 Moscow, Russia.
- Faculty of Bioengineering and Bioinformatics, Lomonosov Moscow State University, 119234 Moscow, Russia.
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Modification by glyceraldehyde-3-phosphate prevents amyloid transformation of alpha-synuclein. BIOCHIMICA ET BIOPHYSICA ACTA-PROTEINS AND PROTEOMICS 2019; 1867:396-404. [PMID: 30639428 DOI: 10.1016/j.bbapap.2019.01.003] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/17/2018] [Revised: 12/24/2018] [Accepted: 01/06/2019] [Indexed: 12/26/2022]
Abstract
Numerous investigations point to the relation between diabetes and neurodegenerative disorders. Alpha-synuclein is a protein involved in the development of synucleinopathies including Parkinson's disease. In the present work, alpha-synuclein was for the first time modified by the intermediate product of glycolysis, glyceraldehyde-3-phosphate (GA-3-P). The resulting product was compared with the alpha-synuclein modified by methylglyoxal (MGO). The efficiency of the modification by the aldehydes was evaluated by decrease in free amino group content. The modification products were detected using fluorescence spectroscopy. The effect of modification by two glycating agents on the amyloid transformation of alpha-synuclein was investigated. Transmission electron microscopy analysis of the aggregates produced by the native alpha-synuclein under fibrillation conditions revealed the presence of 355-441-nm fibrils. In the aggregates produced by the modified alpha-synuclein, short fibrils of 65-230 nm or 85-260 nm were detected in the case of the protein treated with MGO and GA-3-P, respectively. Investigation of the aggregates by the fluorescence assay with Thioflavin T and CD spectroscopy showed that, in contrast to native alpha-synuclein, alpha-synuclein treated with GA-3-P does not produce real amyloid structures. Consequently, modification of alpha-synuclein by GA-3-P, the metabolite whose concentration is determined by the activity of glyceraldehyde-3-phosphate dehydrogenase, prevents its amyloid transformation.
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21
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Gerszon J, Rodacka A. Oxidatively modified glyceraldehyde-3-phosphate dehydrogenase in neurodegenerative processes and the role of low molecular weight compounds in counteracting its aggregation and nuclear translocation. Ageing Res Rev 2018; 48:21-31. [PMID: 30254002 DOI: 10.1016/j.arr.2018.09.003] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2018] [Revised: 09/04/2018] [Accepted: 09/13/2018] [Indexed: 12/26/2022]
Abstract
A number of independent studies have shown the contribution of glyceraldehyde-3-phosphate dehydrogenase (GAPDH) in the pathogenesis of several neurodegenerative disorders. Indeed, GAPDH aggregates have been found in many post-mortem samples of brains of patients diagnosed with Alzheimer's and Parkinson disease. Currently, it is accepted that GAPDH-mediated cell death pathways in the neurodegenerative processes are associated with apoptosis caused by GAPDH nuclear translocation and excessive aggregation under oxidative stress conditions. Also the role of GAPDH in neurodegenerative diseases is linked to it directly binding to specific amyloidogenic proteins and petides such as β-amyloid precursor protein, β-amyloid peptide and tau protein in Alzheimer's disease, huntingtin in Huntington's disease and α-synuclein in Parkinson disease. One of the latest studies indicated that GAPDH aggregates significantly accelerate amyloidogenesis of the β-amyloid peptide, which implies that aggregates of GAPDH may act as a specific aggregation "seed" in vitro. Previous detailed studies revealed that the active-site cysteine (Cys152) of GAPDH plays an essential role in the oxidative stress-induced aggregation of GAPDH associated with cell death. Furthermore, oxidative modification of this cysteine residue initiates the translocation of the enzyme to the nucleus, subsequently leading to apoptosis. The crystallographic structure of GAPDH shows that the Cys152 residue is located close to the surface of the molecule in a hydrophilic environment, which means that it can react with low molecular weight compounds such as hydroxynonenal or piceatannol. Therefore, it is highly possible that GAPDH may serve as a target for small molecule compounds with the potential to slow down or prevent the progression of neurodegenerative disorders. Recently appearing new evidence has highlighted the significance of low molecular weight compounds in counteracting the oxidation of GAPDH and consequently its aggregation and other unfavourable pathological processes. Hence, this review aims to present all recent findings concerning molecules that are able to interact with GAPDH and counteract its aggregation and translocation to the nucleus.
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Affiliation(s)
- Joanna Gerszon
- Department of Molecular Biophysics, Faculty of Biology and Environmental Protection, University of Lodz, Lodz, Poland; Bionanopark Ltd., Lodz, Poland.
| | - Aleksandra Rodacka
- Department of Molecular Biophysics, Faculty of Biology and Environmental Protection, University of Lodz, Lodz, Poland
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Alfaro IE, Albornoz A, Molina A, Moreno J, Cordero K, Criollo A, Budini M. Chaperone Mediated Autophagy in the Crosstalk of Neurodegenerative Diseases and Metabolic Disorders. Front Endocrinol (Lausanne) 2018; 9:778. [PMID: 30766511 PMCID: PMC6365421 DOI: 10.3389/fendo.2018.00778] [Citation(s) in RCA: 58] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/19/2018] [Accepted: 12/11/2018] [Indexed: 12/12/2022] Open
Abstract
Chaperone Mediated Autophagy (CMA) is a lysosomal-dependent protein degradation pathway. At least 30% of cytosolic proteins can be degraded by this process. The two major protein players of CMA are LAMP-2A and HSC70. While LAMP-2A works as a receptor for protein substrates at the lysosomal membrane, HSC70 specifically binds protein targets and takes them for CMA degradation. Because of the broad spectrum of proteins able to be degraded by CMA, this pathway has been involved in physiological and pathological processes such as lipid and carbohydrate metabolism, and neurodegenerative diseases, respectively. Both, CMA, and the mentioned processes, are affected by aging and by inadequate nutritional habits such as a high fat diet or a high carbohydrate diet. Little is known regarding about CMA, which is considered a common regulation factor that links metabolism with neurodegenerative disorders. This review summarizes what is known about CMA, focusing on its molecular mechanism, its role in protein, lipid and carbohydrate metabolism. In addition, the review will discuss how CMA could be linked to protein, lipids and carbohydrate metabolism within neurodegenerative diseases. Furthermore, it will be discussed how aging and inadequate nutritional habits can have an impact on both CMA activity and neurodegenerative disorders.
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Affiliation(s)
- Iván E. Alfaro
- Fundación Ciencia & Vida, Santiago, Chile
- *Correspondence: Iván E. Alfaro
| | | | - Alfredo Molina
- Dentistry Faculty, Institute in Dentistry Sciences, University of Chile, Santiago, Chile
| | - José Moreno
- Dentistry Faculty, Institute in Dentistry Sciences, University of Chile, Santiago, Chile
| | - Karina Cordero
- Dentistry Faculty, Institute in Dentistry Sciences, University of Chile, Santiago, Chile
| | - Alfredo Criollo
- Dentistry Faculty, Institute in Dentistry Sciences, University of Chile, Santiago, Chile
- Autophagy Research Center (ARC), Santiago, Chile
- Advanced Center for Chronic Diseases (ACCDiS), University of Chile, Santiago, Chile
| | - Mauricio Budini
- Dentistry Faculty, Institute in Dentistry Sciences, University of Chile, Santiago, Chile
- Autophagy Research Center (ARC), Santiago, Chile
- Mauricio Budini
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