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Xian F, Sondermann JR, Gomez Varela D, Schmidt M. Deep proteome profiling reveals signatures of age and sex differences in paw skin and sciatic nerve of naïve mice. eLife 2022; 11:81431. [PMID: 36448997 PMCID: PMC9711526 DOI: 10.7554/elife.81431] [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: 06/27/2022] [Accepted: 11/16/2022] [Indexed: 12/03/2022] Open
Abstract
The age and sex of studied animals profoundly impact experimental outcomes in biomedical research. However, most preclinical studies in mice use a wide-spanning age range from 4 to 20 weeks and do not assess male and female mice in parallel. This raises concerns regarding reproducibility and neglects potentially relevant age and sex differences, which are largely unknown at the molecular level in naïve mice. Here, we employed an optimized quantitative proteomics workflow in order to deeply profile mouse paw skin and sciatic nerves (SCN) - two tissues implicated in nociception and pain as well as diseases linked to inflammation, injury, and demyelination. Remarkably, we uncovered significant differences when comparing male and female mice at adolescent (4 weeks) and adult (14 weeks) age. Our analysis deciphered protein subsets and networks that were correlated with the age and/or sex of mice. Notably, among these were proteins/biological pathways with known (patho)physiological relevance, e.g., homeostasis and epidermal signaling in skin, and, in SCN, multiple myelin proteins and regulators of neuronal development. Extensive comparisons with available databases revealed that various proteins associated with distinct skin diseases and pain exhibited significant abundance changes in dependence on age and/or sex. Taken together, our study uncovers hitherto unknown sex and age differences at the level of proteins and protein networks. Overall, we provide a unique proteome resource that facilitates mechanistic insights into somatosensory and skin biology, and integrates age and sex as biological variables - a prerequisite for successful preclinical studies in mouse disease models.
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Affiliation(s)
- Feng Xian
- Systems Biology of Pain, Division of Pharmacology & Toxicology, Department of Pharmaceutical Sciences, Faculty of Life Sciences, University of ViennaViennaAustria
| | - Julia Regina Sondermann
- Systems Biology of Pain, Division of Pharmacology & Toxicology, Department of Pharmaceutical Sciences, Faculty of Life Sciences, University of ViennaViennaAustria
| | - David Gomez Varela
- Systems Biology of Pain, Division of Pharmacology & Toxicology, Department of Pharmaceutical Sciences, Faculty of Life Sciences, University of ViennaViennaAustria
| | - Manuela Schmidt
- Systems Biology of Pain, Division of Pharmacology & Toxicology, Department of Pharmaceutical Sciences, Faculty of Life Sciences, University of ViennaViennaAustria
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2
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Isensee J, van Cann M, Despang P, Araldi D, Moeller K, Petersen J, Schmidtko A, Matthes J, Levine JD, Hucho T. Depolarization induces nociceptor sensitization by CaV1.2-mediated PKA-II activation. J Cell Biol 2021; 220:212600. [PMID: 34431981 PMCID: PMC8404467 DOI: 10.1083/jcb.202002083] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2020] [Revised: 06/14/2021] [Accepted: 08/05/2021] [Indexed: 01/20/2023] Open
Abstract
Depolarization drives neuronal plasticity. However, whether depolarization drives sensitization of peripheral nociceptive neurons remains elusive. By high-content screening (HCS) microscopy, we revealed that depolarization of cultured sensory neurons rapidly activates protein kinase A type II (PKA-II) in nociceptors by calcium influx through CaV1.2 channels. This effect was modulated by calpains but insensitive to inhibitors of cAMP formation, including opioids. In turn, PKA-II phosphorylated Ser1928 in the distal C terminus of CaV1.2, thereby increasing channel gating, whereas dephosphorylation of Ser1928 involved the phosphatase calcineurin. Patch-clamp and behavioral experiments confirmed that depolarization leads to calcium- and PKA-dependent sensitization of calcium currents ex vivo and local peripheral hyperalgesia in the skin in vivo. Our data suggest a local activity-driven feed-forward mechanism that selectively translates strong depolarization into further activity and thereby facilitates hypersensitivity of nociceptor terminals by a mechanism inaccessible to opioids.
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Affiliation(s)
- Jörg Isensee
- Department of Anesthesiology and Intensive Care Medicine, Translational Pain Research, Faculty of Medicine and University Hospital of Cologne, University of Cologne, Cologne, Germany
| | - Marianne van Cann
- Department of Anesthesiology and Intensive Care Medicine, Translational Pain Research, Faculty of Medicine and University Hospital of Cologne, University of Cologne, Cologne, Germany
| | - Patrick Despang
- Department of Pharmacology, Faculty of Medicine and University Hospital of Cologne, University of Cologne, Cologne, Germany
| | - Dioneia Araldi
- Division of Neuroscience, Departments of Medicine and Oral & Maxillofacial Surgery, University of California, San Francisco, San Francisco, CA
| | - Katharina Moeller
- Department of Anesthesiology and Intensive Care Medicine, Translational Pain Research, Faculty of Medicine and University Hospital of Cologne, University of Cologne, Cologne, Germany
| | - Jonas Petersen
- Institute for Pharmacology and Clinical Pharmacy, Goethe University Frankfurt, Frankfurt am Main, Germany
| | - Achim Schmidtko
- Institute for Pharmacology and Clinical Pharmacy, Goethe University Frankfurt, Frankfurt am Main, Germany
| | - Jan Matthes
- Department of Pharmacology, Faculty of Medicine and University Hospital of Cologne, University of Cologne, Cologne, Germany
| | - Jon D Levine
- Division of Neuroscience, Departments of Medicine and Oral & Maxillofacial Surgery, University of California, San Francisco, San Francisco, CA
| | - Tim Hucho
- Department of Anesthesiology and Intensive Care Medicine, Translational Pain Research, Faculty of Medicine and University Hospital of Cologne, University of Cologne, Cologne, Germany
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3
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Central amygdala circuitry modulates nociceptive processing through differential hierarchical interaction with affective network dynamics. Commun Biol 2021; 4:732. [PMID: 34127787 PMCID: PMC8203648 DOI: 10.1038/s42003-021-02262-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Accepted: 05/25/2021] [Indexed: 11/08/2022] Open
Abstract
The central amygdala (CE) emerges as a critical node for affective processing. However, how CE local circuitry interacts with brain wide affective states is yet uncharted. Using basic nociception as proxy, we find that gene expression suggests diverging roles of the two major CE neuronal populations, protein kinase C δ-expressing (PKCδ+) and somatostatin-expressing (SST+) cells. Optogenetic (o)fMRI demonstrates that PKCδ+/SST+ circuits engage specific separable functional subnetworks to modulate global brain dynamics by a differential bottom-up vs. top-down hierarchical mesoscale mechanism. This diverging modulation impacts on nocifensive behavior and may underly CE control of affective processing. In order to examine how central amygdala (CE) local circuitry interacts with brain-wide affective states, Wank et al performed gene expression analysis and optogenetic fMRI in mice, using basic nociception as a proxy. They found evidence for diverging roles of two major CE neuronal populations in modulating global brain states, which impacts on aversive processing and nocifensive behaviour.
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van Cann M, Kuzmenkov A, Isensee J, Andreev-Andrievskiy A, Peigneur S, Khusainov G, Berkut A, Tytgat J, Vassilevski A, Hucho T. Scorpion toxin MeuNaTxα-1 sensitizes primary nociceptors by selective modulation of voltage-gated sodium channels. FEBS J 2020; 288:2418-2435. [PMID: 33051988 DOI: 10.1111/febs.15593] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2020] [Revised: 08/14/2020] [Accepted: 10/09/2020] [Indexed: 11/27/2022]
Abstract
Venoms are a rich source of highly specific toxins, which allow the identification of novel therapeutic targets. We have now applied high content screening (HCS) microscopy to identify toxins that modulate pain sensitization signaling in primary sensory neurons of rat and elucidated the underlying mechanism. A set of venoms and fractions thereof were analyzed for their ability to activate type II protein kinase A (PKA-II) and extracellular signal-regulated kinases (ERK1/2). We identified MeuNaTxα-1, a sodium channel-selective scorpion α-toxin from Mesobuthus eupeus, which affected both PKA-II and ERK1/2. Recombinant MeuNaTxα-1 showed identical activity to the native toxin on mammalian voltage-gated sodium channels expressed in Xenopus laevis oocytes and induced thermal hyperalgesia in adult mice. The effect of MeuNaTxα-1 on sensory neurons was dose-dependent and tetrodotoxin-sensitive. Application of inhibitors and toxin mutants with altered sodium channel selectivity demonstrated that signaling activation in sensory neurons depends on NaV 1.2 isoform. Accordingly, the toxin was more potent in neurons from newborn rats, where NaV 1.2 is expressed at a higher level. Our results demonstrate that HCS microscopy-based monitoring of intracellular signaling is a novel and powerful tool to identify and characterize venoms and their toxins affecting sensory neurons.
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Affiliation(s)
- Marianne van Cann
- Department of Anesthesiology and Intensive Care Medicine, Translational Pain Research, University Hospital of Cologne, Germany
| | - Alexey Kuzmenkov
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry of the Russian Academy of Sciences, Moscow, Russia
| | - Jörg Isensee
- Department of Anesthesiology and Intensive Care Medicine, Translational Pain Research, University Hospital of Cologne, Germany
| | | | | | - Georgii Khusainov
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry of the Russian Academy of Sciences, Moscow, Russia.,Moscow Institute of Physics and Technology (State University), Dolgoprudny, Russia
| | - Antonina Berkut
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry of the Russian Academy of Sciences, Moscow, Russia
| | - Jan Tytgat
- Toxicology and Pharmacology, KU Leuven, Belgium
| | - Alexander Vassilevski
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry of the Russian Academy of Sciences, Moscow, Russia.,Moscow Institute of Physics and Technology (State University), Dolgoprudny, Russia
| | - Tim Hucho
- Department of Anesthesiology and Intensive Care Medicine, Translational Pain Research, University Hospital of Cologne, Germany
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5
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Garza Carbajal A, Ebersberger A, Thiel A, Ferrari L, Acuna J, Brosig S, Isensee J, Moeller K, Siobal M, Rose-John S, Levine J, Schaible HG, Hucho T. Oncostatin M induces hyperalgesic priming and amplifies signaling of cAMP to ERK by RapGEF2 and PKA. J Neurochem 2020; 157:1821-1837. [PMID: 32885411 DOI: 10.1111/jnc.15172] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2020] [Revised: 08/19/2020] [Accepted: 08/20/2020] [Indexed: 12/19/2022]
Abstract
Hyperalgesic priming is characterized by enhanced nociceptor sensitization by pronociceptive mediators, prototypically PGE2 . Priming has gained interest as a mechanism underlying the transition to chronic pain. Which stimuli induce priming and what cellular mechanisms are employed remains incompletely understood. In adult male rats, we present the cytokine Oncostatin M (OSM), a member of the IL-6 family, as an inducer of priming by a novel mechanism. We used a high content microscopy based approach to quantify the activation of endogenous PKA-II and ERK of thousands sensory neurons in culture. Incubation with OSM increased and prolonged ERK activation by agents that increase cAMP production such as PGE2 , forskolin, and cAMP analogs. These changes were specific to IB4/CaMKIIα positive neurons, required protein translation, and increased cAMP-to-ERK signaling. In both, control and OSM-treated neurons, cAMP/ERK signaling involved RapGEF2 and PKA but not Epac. Similar enhancement of cAMP-to-ERK signaling could be induced by GDNF, which acts mostly on IB4/CaMKIIα-positive neurons, but not by NGF, which acts mostly on IB4/CaMKIIα-negative neurons. In vitro, OSM pretreatment rendered baseline TTX-R currents ERK-dependent and switched forskolin-increased currents from partial to full ERK-dependence in small/medium sized neurons. In summary, priming induced by OSM uses a novel mechanism to enhance and prolong coupling of cAMP/PKA to ERK1/2 signaling without changing the overall pathway structure.
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Affiliation(s)
- Anibal Garza Carbajal
- Department of Anaesthesiology and Intensive Care Medicine, Translational Pain Research, University Hospital Cologne, University Cologne, Cologne, Germany
| | | | - Alina Thiel
- Department of Anaesthesiology and Intensive Care Medicine, Translational Pain Research, University Hospital Cologne, University Cologne, Cologne, Germany
| | - Luiz Ferrari
- Department of Oral and Maxillofacial Surgery, University of California San Francisco, San Francisco, CA, USA
| | - Jeremy Acuna
- Department of Anaesthesiology and Intensive Care Medicine, Translational Pain Research, University Hospital Cologne, University Cologne, Cologne, Germany
| | - Stephanie Brosig
- Department of Anaesthesiology and Intensive Care Medicine, Translational Pain Research, University Hospital Cologne, University Cologne, Cologne, Germany
| | - Joerg Isensee
- Department of Anaesthesiology and Intensive Care Medicine, Translational Pain Research, University Hospital Cologne, University Cologne, Cologne, Germany
| | - Katharina Moeller
- Department of Anaesthesiology and Intensive Care Medicine, Translational Pain Research, University Hospital Cologne, University Cologne, Cologne, Germany
| | - Maike Siobal
- Department of Anaesthesiology and Intensive Care Medicine, Translational Pain Research, University Hospital Cologne, University Cologne, Cologne, Germany
| | | | - Jon Levine
- Department of Oral and Maxillofacial Surgery, University of California San Francisco, San Francisco, CA, USA
| | | | - Tim Hucho
- Department of Anaesthesiology and Intensive Care Medicine, Translational Pain Research, University Hospital Cologne, University Cologne, Cologne, Germany
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6
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Lehmann HC, Staff NP, Hoke A. Modeling chemotherapy induced peripheral neuropathy (CIPN) in vitro: Prospects and limitations. Exp Neurol 2020; 326:113140. [DOI: 10.1016/j.expneurol.2019.113140] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2019] [Revised: 11/25/2019] [Accepted: 12/03/2019] [Indexed: 02/07/2023]
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7
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Identification of a Sacral, Visceral Sensory Transcriptome in Embryonic and Adult Mice. eNeuro 2020; 7:ENEURO.0397-19.2019. [PMID: 31996391 PMCID: PMC7036621 DOI: 10.1523/eneuro.0397-19.2019] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2019] [Revised: 12/08/2019] [Accepted: 12/19/2019] [Indexed: 02/08/2023] Open
Abstract
Visceral sensory neurons encode distinct sensations from healthy organs and initiate pain states that are resistant to common analgesics. Transcriptome analysis is transforming our understanding of sensory neuron subtypes but has generally focused on somatic sensory neurons or the total population of neurons in which visceral neurons form the minority. Our aim was to define transcripts specifically expressed by sacral visceral sensory neurons, as a step towards understanding the unique biology of these neurons and potentially leading to identification of new analgesic targets for pelvic visceral pain. Our strategy was to identify genes differentially expressed between sacral dorsal root ganglia (DRG) that include somatic neurons and sacral visceral neurons, and adjacent lumbar DRG that comprise exclusively of somatic sensory neurons. This was performed in adult and E18.5 male and female mice. By developing a method to restrict analyses to nociceptive Trpv1 neurons, a larger group of genes were detected as differentially expressed between spinal levels. We identified many novel genes that had not previously been associated with pelvic visceral sensation or nociception. Limited sex differences were detected across the transcriptome of sensory ganglia, but more were revealed in sacral levels and especially in Trpv1 nociceptive neurons. These data will facilitate development of new tools to modify mature and developing sensory neurons and nociceptive pathways.
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8
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Isensee J, Hucho T. High-Content Imaging of Immunofluorescently Labeled TRPV1-Positive Sensory Neurons. Methods Mol Biol 2019; 1987:111-124. [PMID: 31028677 DOI: 10.1007/978-1-4939-9446-5_8] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Studying TRP channel expressing nociceptors requires the identification of the respective subpopulations as well as the quantification of dynamic cellular events. However, the heterogeneity of sensory neurons and associated nonneuronal cells demands the analysis of large numbers of cells to reflect the distribution of entire populations. Here we report a detailed workflow how to apply high-content screening (HCS) microscopy to signaling events in TRPV1-positive neurons as well as an approach to use the selective elimination of TRPV1 positive cells from dissociated rat sensory ganglia as base for transcriptomic analysis of TRPV1-positive cells and/or as control for TRPV1 antibody specificity.
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Affiliation(s)
- Jörg Isensee
- Experimental Anesthesiology and Pain Research, Department of Anesthesiology and Intensive Care Medicine, University Hospital Cologne, University of Cologne, Cologne, Germany
| | - Tim Hucho
- Experimental Anesthesiology and Pain Research, Department of Anesthesiology and Intensive Care Medicine, University Hospital Cologne, University of Cologne, Cologne, Germany.
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9
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Isensee J, Kaufholz M, Knape MJ, Hasenauer J, Hammerich H, Gonczarowska-Jorge H, Zahedi RP, Schwede F, Herberg FW, Hucho T. PKA-RII subunit phosphorylation precedes activation by cAMP and regulates activity termination. J Cell Biol 2018; 217:2167-2184. [PMID: 29615473 PMCID: PMC5987717 DOI: 10.1083/jcb.201708053] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2017] [Revised: 02/18/2018] [Accepted: 03/15/2018] [Indexed: 11/22/2022] Open
Abstract
Activity of endogenous protein kinase A (PKA) could never be analyzed directly in the cellular environment. Isensee et al. used antibodies to quantify conformational changes leading to an open conformation of endogenous PKA-II holoenzymes, which allowed them to analyze and model its activation cycle in primary sensory neurons. Type II isoforms of cyclic adenosine monophosphate (cAMP)–dependent protein kinase A (PKA-II) contain a phosphorylatable epitope within the inhibitory domain of RII subunits (pRII) with still unclear function. In vitro, RII phosphorylation occurs in the absence of cAMP, whereas staining of cells with pRII-specific antibodies revealed a cAMP-dependent pattern. In sensory neurons, we found that increased pRII immunoreactivity reflects increased accessibility of the already phosphorylated RII epitope during cAMP-induced opening of the tetrameric RII2:C2 holoenzyme. Accordingly, induction of pRII by cAMP was sensitive to novel inhibitors of dissociation, whereas blocking catalytic activity was ineffective. Also in vitro, cAMP increased the binding of pRII antibodies to RII2:C2 holoenzymes. Identification of an antibody specific for the glycine-rich loop of catalytic subunits facing the pRII-epitope confirmed activity-dependent binding with similar kinetics, proving that the reassociation is rapid and precisely controlled. Mechanistic modeling further supported that RII phosphorylation precedes cAMP binding and controls the inactivation by modulating the reassociation involving the coordinated action of phosphodiesterases and phosphatases.
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Affiliation(s)
- Jörg Isensee
- Department of Anesthesiology and Intensive Care Medicine, Experimental Anesthesiology and Pain Research, University Hospital of Cologne, Cologne, Germany
| | - Melanie Kaufholz
- Department of Biochemistry, University of Kassel, Kassel, Germany
| | - Matthias J Knape
- Department of Biochemistry, University of Kassel, Kassel, Germany
| | - Jan Hasenauer
- Institute of Computational Biology, Helmholtz Zentrum München - German Research Center for Environmental Health, Neuherberg, Germany.,Center for Mathematics, Technische Universität München, Garching, Germany
| | - Hanna Hammerich
- Department of Anesthesiology and Intensive Care Medicine, Experimental Anesthesiology and Pain Research, University Hospital of Cologne, Cologne, Germany
| | - Humberto Gonczarowska-Jorge
- ISAS, Leibniz-Institut für Analytische Wissenschaften, Dortmund, Germany.,CAPES Foundation, Ministry of Education of Brazil, Brasília, Brazil
| | - René P Zahedi
- ISAS, Leibniz-Institut für Analytische Wissenschaften, Dortmund, Germany
| | | | | | - Tim Hucho
- Department of Anesthesiology and Intensive Care Medicine, Experimental Anesthesiology and Pain Research, University Hospital of Cologne, Cologne, Germany
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Isensee J, Schild C, Schwede F, Hucho T. Crosstalk from cAMP to ERK1/2 emerges during postnatal maturation of nociceptive neurons and is maintained during aging. Development 2017. [DOI: 10.1242/dev.156893] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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