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Leão Batista Simões J, Webler Eichler S, Raitz Siqueira ML, de Carvalho Braga G, Bagatini MD. Amyotrophic Lateral Sclerosis in Long-COVID Scenario and the Therapeutic Potential of the Purinergic System in Neuromodulation. Brain Sci 2024; 14:180. [PMID: 38391754 PMCID: PMC10886908 DOI: 10.3390/brainsci14020180] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2024] [Revised: 02/10/2024] [Accepted: 02/13/2024] [Indexed: 02/24/2024] Open
Abstract
Amyotrophic lateral sclerosis (ALS) involves the degeneration of motor neurons and debilitating and possibly fatal symptoms. The COVID-19 pandemic directly affected the quality of life of this group, and the SARS-CoV-2 infection accelerated the present neuroinflammatory process. Furthermore, studies indicate that the infection may have led to the development of the pathology. Thus, the scenario after this pandemic presents "long-lasting COVID" as a disease that affects people who have been infected. From this perspective, studying the pathophysiology behind ALS associated with SARS-CoV-2 infection and possible supporting therapies becomes necessary when we understand the impact on the quality of life of these patients. Thus, the purinergic system was trained to demonstrate how its modulation can add to the treatment, reduce disease progression, and result in better prognoses. From our studies, we highlight the P2X7, P2X4, and A2AR receptors and how their activity can directly influence the ALS pathway.
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Affiliation(s)
| | | | | | | | - Margarete Dulce Bagatini
- Graduate Program in Medical Sciences, Federal University of Fronteira Sul, Chapecó 89815-899, SC, Brazil
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Bou Sader Nehme S, Sanchez-Sarasua S, Adel R, Tuifua M, Ali A, Essawy AE, Abdel Salam S, Hleihel W, Boué-Grabot E, Landry M. P2X4 signalling contributes to hyperactivity but not pain sensitization comorbidity in a mouse model of attention deficit/hyperactivity disorder. Front Pharmacol 2024; 14:1288994. [PMID: 38239187 PMCID: PMC10794506 DOI: 10.3389/fphar.2023.1288994] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Accepted: 12/12/2023] [Indexed: 01/22/2024] Open
Abstract
Introduction: Attention deficit/hyperactivity disorder (ADHD) is a common neurodevelopmental disorder characterized by hyperactivity, inattention, and impulsivity that often persist until adulthood. Frequent comorbid disorders accompany ADHD and two thirds of children diagnosed with ADHD also suffer from behavioural disorders and from alteration of sensory processing. We recently characterized the comorbidity between ADHD-like symptoms and pain sensitisation in a pharmacological mouse model of ADHD, and we demonstrated the implication of the anterior cingulate cortex and posterior insula. However, few studies have explored the causal mechanisms underlying the interactions between ADHD and pain. The implication of inflammatory mechanisms has been suggested but the signalling pathways involved have not been explored. Methods: We investigated the roles of purinergic signalling, at the crossroad of pain and neuroinflammatory pathways, by using a transgenic mouse line that carries a total deletion of the P2X4 receptor. Results: We demonstrated that P2X4 deletion prevents hyperactivity in the mouse model of ADHD. In contrast, the absence of P2X4 lowered thermal pain thresholds in sham conditions and did not affect pain sensitization in ADHD-like conditions. We further analysed microglia reactivity and the expression of inflammatory markers in wild type and P2X4KO mice. Our results revealed that P2X4 deletion limits microglia reactivity but at the same time exerts proinflammatory effects in the anterior cingulate cortex and posterior insula. Conclusion: This dual role of P2X4 could be responsible for the differential effects noted on ADHD-like symptoms and pain sensitization and calls for further studies to investigate the therapeutic benefit of targeting the P2X4 receptor in ADHD patients.
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Affiliation(s)
- Sarah Bou Sader Nehme
- University of Bordeaux, CNRS, Institute of Neurodegenerative Diseases, IMN, UMR 5293, Bordeaux, France
- Department of Biology, Faculty of Arts and Sciences, Holy Spirit University of Kaslik, Jounieh, Lebanon
| | - Sandra Sanchez-Sarasua
- University of Bordeaux, CNRS, Institute of Neurodegenerative Diseases, IMN, UMR 5293, Bordeaux, France
- Faculty of Health Sciences, University of Jaume I, Castellon, Spain
| | - Ramy Adel
- Zoology Department, Faculty of Science, Alexandria University, Alexandria, Egypt
| | - Marie Tuifua
- University of Bordeaux, CNRS, Institute of Neurodegenerative Diseases, IMN, UMR 5293, Bordeaux, France
| | - Awatef Ali
- Zoology Department, Faculty of Science, Alexandria University, Alexandria, Egypt
| | - Amina E. Essawy
- Zoology Department, Faculty of Science, Alexandria University, Alexandria, Egypt
| | - Sherine Abdel Salam
- Zoology Department, Faculty of Science, Alexandria University, Alexandria, Egypt
| | - Walid Hleihel
- Department of Biology, Faculty of Arts and Sciences, Holy Spirit University of Kaslik, Jounieh, Lebanon
| | - Eric Boué-Grabot
- University of Bordeaux, CNRS, Institute of Neurodegenerative Diseases, IMN, UMR 5293, Bordeaux, France
| | - Marc Landry
- University of Bordeaux, CNRS, Institute of Neurodegenerative Diseases, IMN, UMR 5293, Bordeaux, France
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Nebesnaya KS, Makhmudov AR, Rustamov KR, Rakhmatullina NSH, Rustamova SI, Mirkhodjaev UZ, Charishnikova OS, Sabirov RZ, Baev AY. Inorganic polyphosphate regulates functions of thymocytes via activation of P2X purinoreceptors. Biochim Biophys Acta Gen Subj 2024; 1868:130523. [PMID: 38006987 DOI: 10.1016/j.bbagen.2023.130523] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2023] [Revised: 11/12/2023] [Accepted: 11/15/2023] [Indexed: 11/27/2023]
Abstract
Inorganic polyphosphate (polyP) is an ancient polymer, which was proven to be a signalling molecule in the mammalian brain, mediating the communication between astrocytes via activation of P2Y1 purinoreceptors and modulating the activity of neurons. There is very limited information regarding the ability of polyP to transmit the information as an agonist of purinoreceptors in other cells and tissues. Here, we show that application of polyP to the suspension of primary thymocytes increases the concentration of intracellular calcium. PolyP evoked calcium signal was dependent on the presence of P2X inhibitors but not P2Y1 inhibitor. PolyP dependent increase in intracellular calcium concentration caused mild mitochondrial depolarization, which was dependent on inhibitors of purinoreceptors, extracellular calcium and inhibitor of mitochondrial calcium uniporter but wasn't dependent on cyclosporin A. Application of polyP modulated cell volume regulation machinery of thymocytes in calcium dependent manner. Molecular docking experiments revealed that polyP can potentially bind to several types of P2X receptors with binding energy similar to ATP - natural agonist of P2X purinoreceptors. Further molecular dynamics simulations with P2X4 showed that binding of one molecule of polyP dramatically increases permeability of this receptor-channel for water molecules. Thus, in this research we for the first time showed that polyP can interact with P2X receptors in thymocytes and modulate physiological processes.
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Affiliation(s)
- Kamila S Nebesnaya
- Laboratory of Experimental Biophysics, Centre for Advanced Technologies, Tashkent, Uzbekistan; Department of Biophysics, Faculty of Biology, National University of Uzbekistan, Tashkent, Uzbekistan
| | - Albert R Makhmudov
- Laboratory of Experimental Biophysics, Centre for Advanced Technologies, Tashkent, Uzbekistan
| | - Khondamir R Rustamov
- Laboratory of Experimental Biophysics, Centre for Advanced Technologies, Tashkent, Uzbekistan; Department of Biophysics, Faculty of Biology, National University of Uzbekistan, Tashkent, Uzbekistan
| | | | - Sarvinoz I Rustamova
- Institute of Biophysics and Biochemistry, National University of Uzbekistan, Tashkent, Uzbekistan
| | - Ulugbek Z Mirkhodjaev
- Department of Biophysics, Faculty of Biology, National University of Uzbekistan, Tashkent, Uzbekistan
| | - Oksana S Charishnikova
- Laboratory of Experimental Biophysics, Centre for Advanced Technologies, Tashkent, Uzbekistan
| | - Ravshan Z Sabirov
- Institute of Biophysics and Biochemistry, National University of Uzbekistan, Tashkent, Uzbekistan
| | - Artyom Y Baev
- Laboratory of Experimental Biophysics, Centre for Advanced Technologies, Tashkent, Uzbekistan; Department of Biophysics, Faculty of Biology, National University of Uzbekistan, Tashkent, Uzbekistan.
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Gilabert D, Duveau A, Carracedo S, Linck N, Langla A, Muramatsu R, Koch-Nolte F, Rassendren F, Grutter T, Fossat P, Boué-Grabot E, Ulmann L. Microglial P2X4 receptors are essential for spinal neurons hyperexcitability and tactile allodynia in male and female neuropathic mice. iScience 2023; 26:108110. [PMID: 37860691 PMCID: PMC10583052 DOI: 10.1016/j.isci.2023.108110] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Revised: 08/25/2023] [Accepted: 09/28/2023] [Indexed: 10/21/2023] Open
Abstract
In neuropathic pain, recent evidence has highlighted a sex-dependent role of the P2X4 receptor in spinal microglia in the development of tactile allodynia following nerve injury. Here, using internalization-defective P2X4mCherryIN knockin mice (P2X4KI), we demonstrate that increased cell surface expression of P2X4 induces hypersensitivity to mechanical stimulations and hyperexcitability in spinal cord neurons of both male and female naive mice. During neuropathy, both wild-type (WT) and P2X4KI mice of both sexes develop tactile allodynia accompanied by spinal neuron hyperexcitability. These responses are selectively associated with P2X4, as they are absent in global P2X4KO or myeloid-specific P2X4KO mice. We show that P2X4 is de novo expressed in reactive microglia in neuropathic WT and P2X4KI mice of both sexes and that tactile allodynia is relieved by pharmacological blockade of P2X4 or TrkB. These results show that the upregulation of P2X4 in microglia is crucial for neuropathic pain, regardless of sex.
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Affiliation(s)
- Damien Gilabert
- IGF, University Montpellier, CNRS, INSERM, F-34094 Montpellier, France
- LabEx Ion Channel Science and Therapeutics, Montpellier, France
| | - Alexia Duveau
- University Bordeaux, CNRS, IMN, UMR 5293, F-33000 Bordeaux, France
| | - Sara Carracedo
- University Bordeaux, CNRS, IMN, UMR 5293, F-33000 Bordeaux, France
| | - Nathalie Linck
- IGF, University Montpellier, CNRS, INSERM, F-34094 Montpellier, France
- LabEx Ion Channel Science and Therapeutics, Montpellier, France
| | - Adeline Langla
- University Bordeaux, CNRS, IMN, UMR 5293, F-33000 Bordeaux, France
| | - Rieko Muramatsu
- Department of Molecular Pharmacology, National Institute of Neuroscience, National Center of Neurology and Psychiatry, Tokyo 187-8502, Japan
| | - Friedrich Koch-Nolte
- Institute of Immunology, University Medical Center Hamburg-Eppendorf, D-20246 Hamburg, Germany
| | - François Rassendren
- IGF, University Montpellier, CNRS, INSERM, F-34094 Montpellier, France
- LabEx Ion Channel Science and Therapeutics, Montpellier, France
| | - Thomas Grutter
- University of Strasbourg, CNRS, CAMB UMR 7199, F-67000 Strasbourg, France
| | - Pascal Fossat
- University Bordeaux, CNRS, IMN, UMR 5293, F-33000 Bordeaux, France
| | - Eric Boué-Grabot
- University Bordeaux, CNRS, IMN, UMR 5293, F-33000 Bordeaux, France
| | - Lauriane Ulmann
- IGF, University Montpellier, CNRS, INSERM, F-34094 Montpellier, France
- LabEx Ion Channel Science and Therapeutics, Montpellier, France
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Hua J, Garcia de Paco E, Linck N, Maurice T, Desrumaux C, Manoury B, Rassendren F, Ulmann L. Microglial P2X4 receptors promote ApoE degradation and contribute to memory deficits in Alzheimer's disease. Cell Mol Life Sci 2023; 80:138. [PMID: 37145189 PMCID: PMC10163120 DOI: 10.1007/s00018-023-04784-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Revised: 04/18/2023] [Accepted: 04/19/2023] [Indexed: 05/06/2023]
Abstract
Numerous evidences support that microglia contributes to the progression of Alzheimer's disease. P2X4 receptors are ATP-gated channels with high calcium permeability, which are de novo expressed in a subset of reactive microglia associated with various pathological contexts, contributing to microglial functions. P2X4 receptors are mainly localized in lysosomes and trafficking to the plasma membrane is tightly regulated. Here, we investigated the role of P2X4 in the context of Alzheimer's disease (AD). Using proteomics, we identified Apolipoprotein E (ApoE) as a specific P2X4 interacting protein. We found that P2X4 regulates lysosomal cathepsin B (CatB) activity promoting ApoE degradation; P2rX4 deletion results in higher amounts of intracellular and secreted ApoE in both bone-marrow-derived macrophage (BMDM) and microglia from APPswe/PSEN1dE9 brain. In both human AD brain and APP/PS1 mice, P2X4 and ApoE are almost exclusively expressed in plaque-associated microglia. In 12-month-old APP/PS1 mice, genetic deletion of P2rX4 reverses topographical and spatial memory impairment and reduces amount of soluble small aggregates of Aß1-42 peptide, while no obvious alteration of plaque-associated microglia characteristics is observed. Our results support that microglial P2X4 promotes lysosomal ApoE degradation, indirectly altering Aß peptide clearance, which in turn might promotes synaptic dysfunctions and cognitive deficits. Our findings uncover a specific interplay between purinergic signaling, microglial ApoE, soluble Aß (sAß) species and cognitive deficits associated with AD.
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Affiliation(s)
- Jennifer Hua
- IGF, Univ Montpellier, CNRS, INSERM, Montpellier, France
- LabEx Ion Channel Science and Therapeutics, Montpellier, France
| | - Elvira Garcia de Paco
- IGF, Univ Montpellier, CNRS, INSERM, Montpellier, France
- LabEx Ion Channel Science and Therapeutics, Montpellier, France
| | - Nathalie Linck
- IGF, Univ Montpellier, CNRS, INSERM, Montpellier, France
- LabEx Ion Channel Science and Therapeutics, Montpellier, France
| | - Tangui Maurice
- MMDN, Univ Montpellier, EPHE, INSERM, Montpellier, France
| | | | - Bénédicte Manoury
- Institut Necker Enfants Malades, INSERM, CNRS, Université de Paris, Paris, France
| | - François Rassendren
- IGF, Univ Montpellier, CNRS, INSERM, Montpellier, France
- LabEx Ion Channel Science and Therapeutics, Montpellier, France
| | - Lauriane Ulmann
- IGF, Univ Montpellier, CNRS, INSERM, Montpellier, France.
- LabEx Ion Channel Science and Therapeutics, Montpellier, France.
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Mut-Arbona P, Sperlágh B. P2 receptor-mediated signaling in the physiological and pathological brain: From development to aging and disease. Neuropharmacology 2023; 233:109541. [PMID: 37062423 DOI: 10.1016/j.neuropharm.2023.109541] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Revised: 03/25/2023] [Accepted: 04/06/2023] [Indexed: 04/18/2023]
Abstract
The purinergic pathway mediates both pro-inflammatory and anti-inflammatory responses, whereas the breakdown of adenosine triphosphate (ATP) is in a critical equilibrium. Under physiological conditions, extracellular ATP is maintained at a nanomolar concentration. Whether released into the medium following tissue damage, inflammation, or hypoxia, ATP is considered a clear indicator of cell damage and a marker of pathological conditions. In this overview, we provide an update on the participation of P2 receptor-mediated purinergic signaling in normal and pathological brain development, with special emphasis on neurodevelopmental psychiatric disorders. Since purinergic signaling is ubiquitous, it is not surprising that it plays a prominent role in developmental processes and pathological alterations. The main aim of this review is to conceptualize the time-dependent dynamic changes in the participation of different players in the purinome in shaping the normal and aberrant developmental patterns and diseases of the central nervous system over one's lifespan.
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Affiliation(s)
- Paula Mut-Arbona
- Laboratory of Molecular Pharmacology, Institute of Experimental Medicine, Budapest, Hungary; János Szentágothai Doctoral School, Semmelweis University, Budapest, Hungary
| | - Beáta Sperlágh
- Laboratory of Molecular Pharmacology, Institute of Experimental Medicine, Budapest, Hungary; János Szentágothai Doctoral School, Semmelweis University, Budapest, Hungary.
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Ducza L, Gajtkó A, Hegedűs K, Bakk E, Kis G, Gaál B, Takács R, Szücs P, Matesz K, Holló K. Neuronal P2X4 receptor may contribute to peripheral inflammatory pain in rat spinal dorsal horn. Front Mol Neurosci 2023; 16:1115685. [PMID: 36969557 PMCID: PMC10033954 DOI: 10.3389/fnmol.2023.1115685] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2022] [Accepted: 02/14/2023] [Indexed: 03/11/2023] Open
Abstract
ObjectiveIntense inflammation may result in pain, which manifests as spinal central sensitization. There is growing evidence that purinergic signaling plays a pivotal role in the orchestration of pain processing. Over the last decade the ionotropic P2X purino receptor 4 (P2X4) got into spotlight in neuropathic disorders, however its precise spinal expression was scantily characterized during inflammatory pain. Thus, we intended to analyze the receptor distribution within spinal dorsal horn and lumbar dorsal root ganglia (DRG) of rats suffering in inflammatory pain induced by complete Freund adjuvant (CFA).MethodsCFA-induced peripheral inflammation was validated by mechanical and thermal behavioral tests. In order to ensure about the putative alteration of spinal P2X4 receptor gene expression qPCR reactions were designed, followed by immunoperoxidase and Western blot experiments to assess changes at a protein level. Colocalization of P2X4 with neuronal and glial markers was investigated by double immunofluorescent labelings, which were subsequently analyzed with IMARIS software. Transmission electronmicroscopy was applied to study the ultrastructural localization of the receptor. Concurrently, in lumbar DRG cells similar methodology has been carried out to complete our observations.ResultsThe figures of mechanical and thermal behavioral tests proved the establishment of CFA-induced inflammatory pain. We observed significant enhancement of P2X4 transcript level within the spinal dorsal horn 3 days upon CFA administration. Elevation of P2X4 immunoreactivity within Rexed lamina I-II of the spinal gray matter was synchronous with mRNA expression, and confirmed by protein blotting. According to IMARIS analysis the robust protein increase was mainly detected on primary afferent axonterminals and GFAP-labelled astrocyte membrane compartments, but not on postsynaptic dendrites was also validated ultrastructurally within the spinal dorsal horn. Furthermore, lumbar DRG analysis demonstrated that peptidergic and non-peptidergic nociceptive subsets of ganglia cells were also abundantly positive for P2X4 receptor in CFA model.ConclusionHere we provide novel evidence about involvement of neuronal and glial P2X4 receptor in the establishment of inflammatory pain.
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Volonté C, Amadio S. Rethinking purinergic concepts and updating the emerging role of P2X7 and P2X4 in amyotrophic lateral sclerosis. Neuropharmacology 2022; 221:109278. [PMID: 36202258 DOI: 10.1016/j.neuropharm.2022.109278] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Revised: 09/27/2022] [Accepted: 09/29/2022] [Indexed: 11/08/2022]
Abstract
The topic of the present review regards the ubiquitous and phylogenetically most ancient prototype of intercellular signaling, the one mediated by extracellular nucleosides and nucleotides, bearing a strong influence on pathophysiological processes in the nervous system. Not by chance, purine and pyrimidine molecules are the most prevalent and ubiquitous chemical messengers in the animal and plant kingdoms, operating through a large plethora of purinergic metabolizing enzymes, P1 and P2 receptors, nucleoside and nucleotide channels and transporters. Because ectonucleotidases degrade the agonists of P2 receptors while simultaneously generate the agonists for P1 receptors, and because several agonists, or antagonists, simultaneously bind and activate, or inhibit, more than one receptor subtype, it follows that an all-inclusive "purinergic network" perspective should be better considered when looking at purinergic actions. This becomes particularly crucial during pathological conditions as for instance amyotrophic lateral sclerosis, where the contribution of purinergic signaling has been demonstrated to differ according to each target cell phenotype and stage of disease progression. Here we will present some newly updated results about P2X7 and P2X4 as the most thoroughly investigated P2 receptors in amyotrophic lateral sclerosis, being aware that the comprehension of their actions is still in progress, and that the purinergic rationale for studying this disease must be however wide-ranging and all-inclusive. This article is part of the Special Issue on 'Purinergic Signaling: 50 years'.
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Affiliation(s)
- Cinzia Volonté
- CNR-Institute for Systems Analysis and Computer Science "Antonio Ruberti", Via Dei Taurini 19, 00185, Rome, Italy; IRCCS Fondazione Santa Lucia-Cellular Neurobiology Unit, Via Del Fosso di Fiorano 65, 00143, Rome, Italy.
| | - Susanna Amadio
- IRCCS Fondazione Santa Lucia-Cellular Neurobiology Unit, Via Del Fosso di Fiorano 65, 00143, Rome, Italy
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