1
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King PH. Skeletal muscle as a molecular and cellular biomarker of disease progression in amyotrophic lateral sclerosis: a narrative review. Neural Regen Res 2024; 19:747-753. [PMID: 37843208 PMCID: PMC10664124 DOI: 10.4103/1673-5374.382226] [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: 05/07/2023] [Revised: 06/27/2023] [Accepted: 07/19/2023] [Indexed: 10/17/2023] Open
Abstract
Amyotrophic lateral sclerosis is a fatal multisystemic neurodegenerative disease with motor neurons being a primary target. Although progressive weakness is a hallmark feature of amyotrophic lateral sclerosis, there is considerable heterogeneity, including clinical presentation, progression, and the underlying triggers for disease initiation. Based on longitudinal studies with families harboring amyotrophic lateral sclerosis-associated gene mutations, it has become apparent that overt disease is preceded by a prodromal phase, possibly in years, where compensatory mechanisms delay symptom onset. Since 85-90% of amyotrophic lateral sclerosis is sporadic, there is a strong need for identifying biomarkers that can detect this prodromal phase as motor neurons have limited capacity for regeneration. Current Food and Drug Administration-approved therapies work by slowing the degenerative process and are most effective early in the disease. Skeletal muscle, including the neuromuscular junction, manifests abnormalities at the earliest stages of the disease, before motor neuron loss, making it a promising source for identifying biomarkers of the prodromal phase. The accessibility of muscle through biopsy provides a lens into the distal motor system at earlier stages and in real time. The advent of "omics" technology has led to the identification of numerous dysregulated molecules in amyotrophic lateral sclerosis muscle, ranging from coding and non-coding RNAs to proteins and metabolites. This technology has opened the door for identifying biomarkers of disease activity and providing insight into disease mechanisms. A major challenge is correlating the myriad of dysregulated molecules with clinical or histological progression and understanding their relevance to presymptomatic phases of disease. There are two major goals of this review. The first is to summarize some of the biomarkers identified in human amyotrophic lateral sclerosis muscle that have a clinicopathological correlation with disease activity, evidence of a similar dysregulation in the SOD1G93A mouse during presymptomatic stages, and evidence of progressive change during disease progression. The second goal is to review the molecular pathways these biomarkers reflect and their potential role in mitigating or promoting disease progression, and as such, their potential as therapeutic targets in amyotrophic lateral sclerosis.
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Affiliation(s)
- Peter H. King
- Department of Neurology and Center for Neurodegeneration and Experimental Therapeutics, The University of Alabama at Birmingham, Birmingham, AL, USA; Birmingham Veterans Affairs Medical Center, Birmingham, AL, USA
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2
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Scarian E, Viola C, Dragoni F, Di Gerlando R, Rizzo B, Diamanti L, Gagliardi S, Bordoni M, Pansarasa O. New Insights into Oxidative Stress and Inflammatory Response in Neurodegenerative Diseases. Int J Mol Sci 2024; 25:2698. [PMID: 38473944 DOI: 10.3390/ijms25052698] [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: 12/18/2023] [Revised: 02/19/2024] [Accepted: 02/21/2024] [Indexed: 03/14/2024] Open
Abstract
Oxidative stress (OS) and inflammation are two important and well-studied pathological hallmarks of neurodegenerative diseases (NDDs). Due to elevated oxygen consumption, the high presence of easily oxidizable polyunsaturated fatty acids and the weak antioxidant defenses, the brain is particularly vulnerable to oxidative injury. Uncertainty exists over whether these deficits contribute to the development of NDDs or are solely a consequence of neuronal degeneration. Furthermore, these two pathological hallmarks are linked, and it is known that OS can affect the inflammatory response. In this review, we will overview the last findings about these two pathways in the principal NDDs. Moreover, we will focus more in depth on amyotrophic lateral sclerosis (ALS) to understand how anti-inflammatory and antioxidants drugs have been used for the treatment of this still incurable motor neuron (MN) disease. Finally, we will analyze the principal past and actual clinical trials and the future perspectives in the study of these two pathological mechanisms.
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Affiliation(s)
- Eveljn Scarian
- Cellular Models and Neuroepigenetics Unit, IRCCS Mondino Foundation, Via Mondino 2, 27100 Pavia, Italy
| | - Camilla Viola
- Cellular Models and Neuroepigenetics Unit, IRCCS Mondino Foundation, Via Mondino 2, 27100 Pavia, Italy
- Department of Brain and Behavioral Sciences, University of Pavia, Via Agostino Bassi 21, 27100 Pavia, Italy
| | - Francesca Dragoni
- Department of Biology and Biotechnology "L. Spallanzani", University of Pavia, Via Adolfo Ferrata, 9, 27100 Pavia, Italy
- Molecular Biology and Transcriptomics Unit, IRCCS Mondino Foundation, Via Mondino 2, 27100 Pavia, Italy
| | - Rosalinda Di Gerlando
- Department of Biology and Biotechnology "L. Spallanzani", University of Pavia, Via Adolfo Ferrata, 9, 27100 Pavia, Italy
- Molecular Biology and Transcriptomics Unit, IRCCS Mondino Foundation, Via Mondino 2, 27100 Pavia, Italy
| | - Bartolo Rizzo
- Molecular Biology and Transcriptomics Unit, IRCCS Mondino Foundation, Via Mondino 2, 27100 Pavia, Italy
| | - Luca Diamanti
- Neuroncology Unit, IRCCS Mondino Foundation, Via Mondino 2, 27100 Pavia, Italy
| | - Stella Gagliardi
- Molecular Biology and Transcriptomics Unit, IRCCS Mondino Foundation, Via Mondino 2, 27100 Pavia, Italy
| | - Matteo Bordoni
- Cellular Models and Neuroepigenetics Unit, IRCCS Mondino Foundation, Via Mondino 2, 27100 Pavia, Italy
| | - Orietta Pansarasa
- Cellular Models and Neuroepigenetics Unit, IRCCS Mondino Foundation, Via Mondino 2, 27100 Pavia, Italy
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3
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Stella R, Bonadio RS, Cagnin S, Andreotti R, Massimino ML, Bertoli A, Peggion C. Secreted Metabolome of ALS-Related hSOD1(G93A) Primary Cultures of Myocytes and Implications for Myogenesis. Cells 2023; 12:2751. [PMID: 38067180 PMCID: PMC10706027 DOI: 10.3390/cells12232751] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Revised: 11/23/2023] [Accepted: 11/27/2023] [Indexed: 12/18/2023] Open
Abstract
Amyotrophic lateral sclerosis (ALS) is a motor neuron (MN) disease associated with progressive muscle atrophy, paralysis, and eventually death. Growing evidence demonstrates that the pathological process leading to ALS is the result of multiple altered mechanisms occurring not only in MNs but also in other cell types inside and outside the central nervous system. In this context, the involvement of skeletal muscle has been the subject of a few studies on patients and ALS animal models. In this work, by using primary myocytes derived from the ALS transgenic hSOD1(G93A) mouse model, we observed that the myogenic capability of such cells was defective compared to cells derived from control mice expressing the nonpathogenic hSOD1(WT) isoform. The correct in vitro myogenesis of hSOD1(G93A) primary skeletal muscle cells was rescued by the addition of a conditioned medium from healthy hSOD1(WT) myocytes, suggesting the existence of an in trans activity of secreted factors. To define a dataset of molecules participating in such safeguard action, we conducted comparative metabolomic profiling of a culture medium collected from hSOD1(G93A) and hSOD1(WT) primary myocytes and report here an altered secretion of amino acids and lipid-based signaling molecules. These findings support the urgency of better understanding the role of the skeletal muscle secretome in the regulation of the myogenic program and mechanisms of ALS pathogenesis and progression.
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Affiliation(s)
- Roberto Stella
- Istituto Zooprofilattico Sperimentale delle Venezie, 35020 Legnaro, Italy
| | | | - Stefano Cagnin
- Department of Biology, University of Padova, 35131 Padova, Italy (S.C.)
- CIR-Myo Myology Center, University of Padova, 35131 Padova, Italy
| | - Roberta Andreotti
- Department of Biomedical Sciences, University of Padova, 35131 Padova, Italy (A.B.)
| | - Maria Lina Massimino
- Neuroscience Institute, Consiglio Nazionale delle Ricerche, 35131 Padova, Italy;
| | - Alessandro Bertoli
- Department of Biomedical Sciences, University of Padova, 35131 Padova, Italy (A.B.)
- Neuroscience Institute, Consiglio Nazionale delle Ricerche, 35131 Padova, Italy;
- Padova Neuroscience Center, University of Padova, 35131 Padova, Italy
| | - Caterina Peggion
- Department of Biology, University of Padova, 35131 Padova, Italy (S.C.)
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Clénet ML, Keaney J, Gillet G, Valadas JS, Langlois J, Cardenas A, Gasser J, Kadiu I. Divergent functional outcomes of NLRP3 blockade downstream of multi-inflammasome activation: therapeutic implications for ALS. Front Immunol 2023; 14:1190219. [PMID: 37575265 PMCID: PMC10415077 DOI: 10.3389/fimmu.2023.1190219] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Accepted: 06/26/2023] [Indexed: 08/15/2023] Open
Abstract
NOD-Like Receptor Family Pyrin Domain Containing 3 (NLRP3) inflammasome modulation has emerged as a potential therapeutic approach targeting inflammation amplified by pyroptotic innate immune cell death. In diseases characterized by non-cell autonomous neurodegeneration including amyotrophic lateral sclerosis (ALS), the activation of several inflammasomes has been reported. Since functional redundancy can exist among inflammasome pathways, here we investigate the effects of NLRP3 inhibition on NLRP3, NLR family CARD Domain Containing 4 (NLRC4) and non-canonical pathways to understand whether NLRP3 blockade alone can mitigate pro-inflammatory cytokine release and pyroptotic cell death in contexts where single or multiple inflammasome pathways independent of NLRP3 are activated. In this study we do not limit our insights into inflammasome biology by solely relying on the THP-1 monocytic line under the LPS/nigericin-mediated NLRP3 pathway activation paradigm. We assess therapeutic potential and limitations of NLRP3 inhibition in multi-inflammasome activation contexts utilizing various human cellular systems including cell lines expressing gain of function (GoF) mutations for several inflammasomes, primary human monocytes, macrophages, healthy and Amyotrophic Lateral Sclerosis (ALS) patient induced pluripotent stem cells (iPSC)-derived microglia (iMGL) stimulated for canonical and non-canonical inflammasome pathways. We demonstrate that NLRP3 inhibition can modulate the NLRC4 and non-canonical inflammasome pathways; however, these effects differ between immortalized, human primary innate immune cells, and iMGL. We extend our investigation in more complex systems characterized by activation of multiple inflammasomes such as the SOD1G93A mouse model. Through deep immune phenotyping by single-cell mass cytometry we demonstrate that acute NLRP3 inhibition does not ameliorate spinal cord inflammation in this model. Taken together, our data suggests that NLRP3 inhibition alone may not be sufficient to address dynamic and complex neuroinflammatory pathobiological mechanisms including dysregulation of multiple inflammasome pathways in neurodegenerative disease such as ALS.
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Affiliation(s)
- Marie-Laure Clénet
- Neuroinflammation Focus Area, Neuroscience Research, Early Solutions, UCB Biopharma SRL, Braine l’Alleud, Belgium
| | - James Keaney
- Neuroinflammation Focus Area, Neuroscience Research, Early Solutions, UCB Biopharma SRL, Braine l’Alleud, Belgium
| | - Gaëlle Gillet
- Neuroinflammation Focus Area, Neuroscience Research, Early Solutions, UCB Biopharma SRL, Braine l’Alleud, Belgium
| | - Jorge S. Valadas
- Neuroinflammation Focus Area, Neuroscience Research, Early Solutions, UCB Biopharma SRL, Braine l’Alleud, Belgium
| | - Julie Langlois
- Neuroinflammation Focus Area, Neuroscience Research, Early Solutions, UCB Biopharma SRL, Braine l’Alleud, Belgium
| | - Alvaro Cardenas
- Development Science, Early Solutions, UCB Biopharma SRL, Braine l’Alleud, Belgium
| | - Julien Gasser
- Neuroinflammation Focus Area, Neuroscience Research, Early Solutions, UCB Biopharma SRL, Braine l’Alleud, Belgium
| | - Irena Kadiu
- Neuroinflammation Focus Area, Neuroscience Research, Early Solutions, UCB Biopharma SRL, Braine l’Alleud, Belgium
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5
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Carata E, Muci M, Di Giulio S, Mariano S, Panzarini E. Looking to the Future of the Role of Macrophages and Extracellular Vesicles in Neuroinflammation in ALS. Int J Mol Sci 2023; 24:11251. [PMID: 37511010 PMCID: PMC10379393 DOI: 10.3390/ijms241411251] [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: 05/17/2023] [Revised: 07/04/2023] [Accepted: 07/07/2023] [Indexed: 07/30/2023] Open
Abstract
Neuroinflammation is a common pathological feature of amyotrophic lateral sclerosis (ALS). Although scientific evidence to date does not allow defining neuroinflammation as an ALS trigger, its role in exacerbating motor neuron (MNs) degeneration and disease progression is attracting research interest. Activated CNS (Central Nervous System) glial cells, proinflammatory peripheral and infiltrated T lymphocytes and monocytes/macrophages, as well as the immunoreactive molecules they release, represent the active players for the role of immune dysregulation enhancing neuroinflammation. The crosstalk between the peripheral and CNS immune cells significantly correlates with the survival of ALS patients since the modification of peripheral macrophages can downregulate inflammation at the periphery along the nerves and in the CNS. As putative vehicles for misfolded protein and inflammatory mediators between cells, extracellular vesicles (EVs) have also drawn particular attention in the field of ALS. Both CNS and peripheral immune cells release EVs, which are able to modulate the behavior of neighboring recipient cells; unfortunately, the mechanisms involved in EVs-mediated communication in neuroinflammation remain unclear. This review aims to synthesize the current literature regarding EV-mediated cell-to-cell communication in the brain under ALS, with a particular point of view on the role of peripheral macrophages in responding to inflammation to understand the biological process and exploit it for ALS management.
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Affiliation(s)
- Elisabetta Carata
- Department of Biological Sciences and Technologies (Di.S.Te.B.A.), University of Salento, 73100 Lecce, Italy
| | - Marco Muci
- Department of Biological Sciences and Technologies (Di.S.Te.B.A.), University of Salento, 73100 Lecce, Italy
| | - Simona Di Giulio
- Department of Biological Sciences and Technologies (Di.S.Te.B.A.), University of Salento, 73100 Lecce, Italy
| | - Stefania Mariano
- Department of Biological Sciences and Technologies (Di.S.Te.B.A.), University of Salento, 73100 Lecce, Italy
| | - Elisa Panzarini
- Department of Biological Sciences and Technologies (Di.S.Te.B.A.), University of Salento, 73100 Lecce, Italy
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Meanti R, Bresciani E, Rizzi L, Coco S, Zambelli V, Dimitroulas A, Molteni L, Omeljaniuk RJ, Locatelli V, Torsello A. Potential Applications for Growth Hormone Secretagogues Treatment of Amyotrophic Lateral Sclerosis. Curr Neuropharmacol 2023; 21:2376-2394. [PMID: 36111771 PMCID: PMC10616926 DOI: 10.2174/1570159x20666220915103613] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Revised: 07/18/2022] [Accepted: 08/01/2022] [Indexed: 11/22/2022] Open
Abstract
Amyotrophic lateral sclerosis (ALS) arises from neuronal death due to complex interactions of genetic, molecular, and environmental factors. Currently, only two drugs, riluzole and edaravone, have been approved to slow the progression of this disease. However, ghrelin and other ligands of the GHS-R1a receptor have demonstrated interesting neuroprotective activities that could be exploited in this pathology. Ghrelin, a 28-amino acid hormone, primarily synthesized and secreted by oxyntic cells in the stomach wall, binds to the pituitary GHS-R1a and stimulates GH secretion; in addition, ghrelin is endowed with multiple extra endocrine bioactivities. Native ghrelin requires esterification with octanoic acid for binding to the GHS-R1a receptor; however, this esterified form is very labile and represents less than 10% of circulating ghrelin. A large number of synthetic compounds, the growth hormone secretagogues (GHS) encompassing short peptides, peptoids, and non-peptidic moieties, are capable of mimicking several biological activities of ghrelin, including stimulation of GH release, appetite, and elevation of blood IGF-I levels. GHS have demonstrated neuroprotective and anticonvulsant effects in experimental models of pathologies both in vitro and in vivo. To illustrate, some GHS, currently under evaluation by regulatory agencies for the treatment of human cachexia, have a good safety profile and are safe for human use. Collectively, evidence suggests that ghrelin and cognate GHS may constitute potential therapies for ALS.
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Affiliation(s)
- Ramona Meanti
- School of Medicine and Surgery, University of Milano-Bicocca, Via Cadore 48, Monza, 20900, Italy
| | - Elena Bresciani
- School of Medicine and Surgery, University of Milano-Bicocca, Via Cadore 48, Monza, 20900, Italy
| | - Laura Rizzi
- School of Medicine and Surgery, University of Milano-Bicocca, Via Cadore 48, Monza, 20900, Italy
| | - Silvia Coco
- School of Medicine and Surgery, University of Milano-Bicocca, Via Cadore 48, Monza, 20900, Italy
| | - Vanessa Zambelli
- School of Medicine and Surgery, University of Milano-Bicocca, Via Cadore 48, Monza, 20900, Italy
| | - Anna Dimitroulas
- Faculty of Health and Medical Sciences, University of Surrey, Stag Hill, Guildford, GU2 7XH, United Kingdom
| | - Laura Molteni
- School of Medicine and Surgery, University of Milano-Bicocca, Via Cadore 48, Monza, 20900, Italy
| | - Robert J. Omeljaniuk
- Department of Biology, Lakehead University, 955 Oliver Rd, Thunder Bay, Ontario, P7B 5E1, Canada
| | - Vittorio Locatelli
- School of Medicine and Surgery, University of Milano-Bicocca, Via Cadore 48, Monza, 20900, Italy
| | - Antonio Torsello
- School of Medicine and Surgery, University of Milano-Bicocca, Via Cadore 48, Monza, 20900, Italy
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7
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The Cellular and Molecular Signature of ALS in Muscle. J Pers Med 2022; 12:jpm12111868. [PMID: 36579600 PMCID: PMC9692882 DOI: 10.3390/jpm12111868] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Revised: 10/29/2022] [Accepted: 11/01/2022] [Indexed: 11/11/2022] Open
Abstract
Amyotrophic lateral sclerosis is a disease affecting upper and lower motor neurons. Although motor neuron death is the core event of ALS pathology, it is increasingly recognized that other tissues and cell types are affected in the disease, making potentially major contributions to the occurrence and progression of pathology. We review here the known cellular and molecular characteristics of muscle tissue affected by ALS. Evidence of toxicity in skeletal muscle tissue is considered, including metabolic dysfunctions, impaired proteostasis, and deficits in muscle regeneration and RNA metabolism. The role of muscle as a secretory organ, and effects on the skeletal muscle secretome are also covered, including the increase in secretion of toxic factors or decrease in essential factors that have consequences for neuronal function and survival.
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Moreno-Martinez L, Santiago L, de la Torre M, Calvo AC, Pardo J, Osta R. Hemizygous Granzyme A Mice Expressing the hSOD1G93A Transgene Show Slightly Extended Lifespan. Int J Mol Sci 2022; 23:13554. [PMID: 36362341 PMCID: PMC9655466 DOI: 10.3390/ijms232113554] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Revised: 10/24/2022] [Accepted: 10/26/2022] [Indexed: 08/30/2023] Open
Abstract
Granzyme A (gzmA), a serine protease involved in the modulation of the inflammatory immune response, is found at an elevated level in the serum from ALS patients. However, the influence of gzmA on the progression of ALS remains unclear. The aim of our work was to assess whether the absence of gzmA in an ALS murine model could help slow down the progression of the disease. Homozygous and hemizygous gzmA-deficient mice expressing the hSOD1G93A transgene were generated, and survival of these mice was monitored. Subsequently, gene and protein expression of inflammatory and oxidative stress markers was measured in the spinal cord and quadriceps of these mice. We observed the longest lifespan in gzmA+/- mice. GzmA gene and protein expression was downregulated in the spinal cord and serum from gmzA+/- mice, confirming that the increased survival of hemizygous mice is correlated with lower levels of gzmA. In addition, mRNA and protein levels of glutathione reductase (GSR), involved in oxidative stress, were found downregulated in the spinal cord and quadriceps of gmzA+/- mice, together with lower IL-1β and IL-6 mRNA levels in hemyzigous mice. In summary, our findings indicate for the first time that reduced levels, but not the absence, of gzmA could slightly ameliorate the disease progression in this animal model.
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Affiliation(s)
- Laura Moreno-Martinez
- LAGENBIO, Faculty of Veterinary, University of Zaragoza, Miguel Servet 177, 50013 Zaragoza, Spain
- Centre for Biomedical Research in Neurodegenerative Diseases (CIBERNED), Instituto de Salud Carlos III, 28029 Madrid, Spain
- Biomedical Research Centre of Aragón (CIBA), Aragón Health Research Institute (IIS Aragón), 50009 Zaragoza, Spain
- AgriFood Institute of Aragon-IA2 (UNIZAR-CITA), 50013 Zaragoza, Spain
| | - Llipsy Santiago
- Biomedical Research Centre of Aragón (CIBA), Aragón Health Research Institute (IIS Aragón), 50009 Zaragoza, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Infecciosas (CIBERINFEC), Instituto de Salud Carlos III, 28029 Madrid, Spain
| | - Miriam de la Torre
- LAGENBIO, Faculty of Veterinary, University of Zaragoza, Miguel Servet 177, 50013 Zaragoza, Spain
- Centre for Biomedical Research in Neurodegenerative Diseases (CIBERNED), Instituto de Salud Carlos III, 28029 Madrid, Spain
- Biomedical Research Centre of Aragón (CIBA), Aragón Health Research Institute (IIS Aragón), 50009 Zaragoza, Spain
- AgriFood Institute of Aragon-IA2 (UNIZAR-CITA), 50013 Zaragoza, Spain
| | - Ana Cristina Calvo
- LAGENBIO, Faculty of Veterinary, University of Zaragoza, Miguel Servet 177, 50013 Zaragoza, Spain
- Centre for Biomedical Research in Neurodegenerative Diseases (CIBERNED), Instituto de Salud Carlos III, 28029 Madrid, Spain
- Biomedical Research Centre of Aragón (CIBA), Aragón Health Research Institute (IIS Aragón), 50009 Zaragoza, Spain
- AgriFood Institute of Aragon-IA2 (UNIZAR-CITA), 50013 Zaragoza, Spain
| | - Julián Pardo
- Biomedical Research Centre of Aragón (CIBA), Aragón Health Research Institute (IIS Aragón), 50009 Zaragoza, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Infecciosas (CIBERINFEC), Instituto de Salud Carlos III, 28029 Madrid, Spain
- Department of Microbiology, Preventive Medicine and Public Health, University of Zaragoza, 50009 Zaragoza, Spain
| | - Rosario Osta
- LAGENBIO, Faculty of Veterinary, University of Zaragoza, Miguel Servet 177, 50013 Zaragoza, Spain
- Centre for Biomedical Research in Neurodegenerative Diseases (CIBERNED), Instituto de Salud Carlos III, 28029 Madrid, Spain
- Biomedical Research Centre of Aragón (CIBA), Aragón Health Research Institute (IIS Aragón), 50009 Zaragoza, Spain
- AgriFood Institute of Aragon-IA2 (UNIZAR-CITA), 50013 Zaragoza, Spain
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Yari H, Mikhailova MV, Mardasi M, Jafarzadehgharehziaaddin M, Shahrokh S, Thangavelu L, Ahmadi H, Shomali N, Yaghoubi Y, Zamani M, Akbari M, Alesaeidi S. Emerging role of mesenchymal stromal cells (MSCs)-derived exosome in neurodegeneration-associated conditions: a groundbreaking cell-free approach. Stem Cell Res Ther 2022; 13:423. [PMID: 35986375 PMCID: PMC9389725 DOI: 10.1186/s13287-022-03122-5] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2022] [Accepted: 06/16/2022] [Indexed: 11/10/2022] Open
Abstract
AbstractAccumulating proofs signify that pleiotropic effects of mesenchymal stromal cells (MSCs) are not allied to their differentiation competencies but rather are mediated mainly by the releases of soluble paracrine mediators, making them a reasonable therapeutic option to enable damaged tissue repair. Due to their unique immunomodulatory and regenerative attributes, the MSC-derived exosomes hold great potential to treat neurodegeneration-associated neurological diseases. Exosome treatment circumvents drawbacks regarding the direct administration of MSCs, such as tumor formation or reduced infiltration and migration to brain tissue. Noteworthy, MSCs-derived exosomes can cross the blood–brain barrier (BBB) and then efficiently deliver their cargo (e.g., protein, miRNAs, lipid, and mRNA) to damaged brain tissue. These biomolecules influence various biological processes (e.g., survival, proliferation, migration, etc.) in neurons, oligodendrocytes, and astrocytes. Various studies have shown that the systemic or local administration of MSCs-derived exosome could lead to the favored outcome in animals with neurodegeneration-associated disease mainly by supporting BBB integrity, eliciting pro-angiogenic effects, attenuating neuroinflammation, and promoting neurogenesis in vivo. In the present review, we will deliver an overview of the therapeutic benefits of MSCs-derived exosome therapy to ameliorate the pathological symptoms of acute and chronic neurodegenerative disease. Also, the underlying mechanism behind these favored effects has been elucidated.
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10
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Bertin E, Martinez A, Fayoux A, Carvalho K, Carracedo S, Fernagut PO, Koch-Nolte F, Blum D, Bertrand SS, Boué-Grabot E. Increased surface P2X4 receptors by mutant SOD1 proteins contribute to ALS pathogenesis in SOD1-G93A mice. Cell Mol Life Sci 2022; 79:431. [PMID: 35852606 PMCID: PMC9296432 DOI: 10.1007/s00018-022-04461-5] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2022] [Revised: 05/27/2022] [Accepted: 06/30/2022] [Indexed: 12/26/2022]
Abstract
Amyotrophic lateral sclerosis (ALS) is a fatal motoneuron (MN) disease characterized by protein misfolding and aggregation leading to cellular degeneration. So far neither biomarker, nor effective treatment has been found. ATP signaling and P2X4 receptors (P2X4) are upregulated in various neurodegenerative diseases. Here we show that several ALS-related misfolded proteins including mutants of SOD1 or TDP-43 lead to a significant increase in surface P2X4 receptor density and function in vitro. In addition, we demonstrate in the spinal the cord of SOD1-G93A (SOD1) mice that misfolded SOD1-G93A proteins directly interact with endocytic adaptor protein-2 (AP2); thus, acting as negative competitors for the interaction between AP2 and P2X4, impairing constitutive P2X4 endocytosis. The higher P2X4 surface density was particularly observed in peripheral macrophages of SOD1 mice before the onset and during the progression of ALS symptoms positioning P2X4 as a potential early biomarker for ALS. P2X4 expression was also upregulated in spinal microglia of SOD1 mice during ALS and affect microglial inflammatory responses. Importantly, we report using double transgenic SOD1 mice expressing internalization-defective P2X4mCherryIN knock-in gene or invalidated for the P2X4 gene that P2X4 is instrumental for motor symptoms, ALS progression and survival. This study highlights the role of P2X4 in the pathophysiology of ALS and thus its potential for the development of biomarkers and treatments. We also decipher the molecular mechanism by which misfolded proteins related to ALS impact P2X4 trafficking at early pathological stage in cells expressing-P2X4.
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Affiliation(s)
- Eléonore Bertin
- Univ. Bordeaux, CNRS, IMN, UMR 5293, 33000, Bordeaux, France
| | - Audrey Martinez
- Univ. Bordeaux, CNRS, IMN, UMR 5293, 33000, Bordeaux, France
| | - Anne Fayoux
- Univ. Bordeaux, CNRS, EPHE, INCIA, UMR 5287, 33000, Bordeaux, France
| | - Kevin Carvalho
- Univ. Lille, Inserm, CHU Lille, U1172, LilNCog, Lille, France.,"Alzheimer & Tauopathies", LabEx DISTALZ, 59000, Lille, France
| | - Sara Carracedo
- Univ. Bordeaux, CNRS, IMN, UMR 5293, 33000, Bordeaux, France
| | | | - Friedrich Koch-Nolte
- Institute of Immunology, University Medical Center Hamburg-Eppendorf, 20246, Hamburg, Germany
| | - David Blum
- Univ. Lille, Inserm, CHU Lille, U1172, LilNCog, Lille, France.,"Alzheimer & Tauopathies", LabEx DISTALZ, 59000, Lille, France
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11
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Rahbaran M, Zekiy AO, Bahramali M, Jahangir M, Mardasi M, Sakhaei D, Thangavelu L, Shomali N, Zamani M, Mohammadi A, Rahnama N. Therapeutic utility of mesenchymal stromal cell (MSC)-based approaches in chronic neurodegeneration: a glimpse into underlying mechanisms, current status, and prospects. Cell Mol Biol Lett 2022; 27:56. [PMID: 35842587 PMCID: PMC9287902 DOI: 10.1186/s11658-022-00359-z] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2022] [Accepted: 06/30/2022] [Indexed: 12/11/2022] Open
Abstract
Recently, mesenchymal stromal cell (MSC)-based therapy has become an appreciated therapeutic approach in the context of neurodegenerative disease therapy. Accordingly, a myriad of studies in animal models and also some clinical trials have evinced the safety, feasibility, and efficacy of MSC transplantation in neurodegenerative conditions, most importantly in Alzheimer’s disease (AD), Parkinson’s disease (PD), amyotrophic lateral sclerosis (ALS), and Huntington’s disease (HD). The MSC-mediated desired effect is mainly a result of secretion of immunomodulatory factors in association with release of various neurotrophic factors (NTFs), such as glial cell line-derived neurotrophic factor (GDNF) and brain-derived neurotrophic factor (BDNF). Thanks to the secretion of protein-degrading molecules, MSC therapy mainly brings about the degradation of pathogenic protein aggregates, which is a typical appearance of chronic neurodegenerative disease. Such molecules, in turn, diminish neuroinflammation and simultaneously enable neuroprotection, thereby alleviating disease pathological symptoms and leading to cognitive and functional recovery. Also, MSC differentiation into neural-like cells in vivo has partially been evidenced. Herein, we focus on the therapeutic merits of MSCs and also their derivative exosome as an innovative cell-free approach in AD, HD, PD, and ALS conditions. Also, we give a brief glimpse into novel approaches to potentiate MSC-induced therapeutic merits in such disorders, most importantly, administration of preconditioned MSCs.
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Affiliation(s)
- Mohaddeseh Rahbaran
- Biotechnology Department, National Institute of Genetic Engineering and Biotechnology (NIGEB), Tehran, Iran
| | - Angelina Olegovna Zekiy
- Department of Prosthetic Dentistry, I. M. Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russia
| | - Mahta Bahramali
- Biotechnology Department, University of Tehran, Tehran, Iran
| | | | - Mahsa Mardasi
- Biotechnology Department, Faculty of Life Sciences and Biotechnology, Shahid Beheshti University, Tehran, Iran
| | - Delaram Sakhaei
- School of Medicine, Sari Branch, Islamic Azad University, Sari, Iran
| | - Lakshmi Thangavelu
- Department of Pharmacology, Saveetha Dental College, Saveetha Institute of Medical and Technical Science, Saveetha University, Chennai, India
| | - Navid Shomali
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Majid Zamani
- Department of Medical Laboratory Sciences, Faculty of Allied Medicine, Infectious Diseases Research Center, Gonabad University of Medical Sciences, Gonabad, Iran
| | - Ali Mohammadi
- Department of Neurology, Imam Khomeini Hospital, Urmia University of Medical Sciences, Urmia, Iran.
| | - Negin Rahnama
- Department of Internal Medicine and Health Services, Semnan University of Medical Sciences, Semnan, Iran.
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12
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Colciaghi F, Costanza M. Unveiling Leukocyte Extracellular Traps in Inflammatory Responses of the Central Nervous System. Front Immunol 2022; 13:915392. [PMID: 35844591 PMCID: PMC9283689 DOI: 10.3389/fimmu.2022.915392] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2022] [Accepted: 06/07/2022] [Indexed: 11/13/2022] Open
Abstract
Over the past nearly two decades, increasing evidence has uncovered how immune cells can actively extrude genetic material to entrap invading pathogens or convey sterile inflammatory signals that contribute to shaping immune responses. Originally identified in neutrophils, the release of decondensed chromatin fibers decorated with antimicrobial proteins, called extracellular traps (ETs), has been recognized as a specific form of programmed inflammatory cell death, which is now known to occur in several other leukocytes. Subsequent reports have shown that self-DNA can be extruded from immune cells even in the absence of cell death phenomena. More recent data suggest that ETs formation could exacerbate neuroinflammation in several disorders of the central nervous system (CNS). This review article provides an overview of the varied types, sources, and potential functions of extracellular DNA released by immune cells. Key evidence suggesting the involvement of ETs in neurodegenerative, traumatic, autoimmune, and oncological disorders of the CNS will be discussed, outlining ongoing challenges and drawing potentially novel lines of investigation.
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Affiliation(s)
- Francesca Colciaghi
- Epilepsy Unit, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milan, Italy
| | - Massimo Costanza
- Molecular Neuro-Oncology Unit, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milan, Italy
- *Correspondence: Massimo Costanza,
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13
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Vafaei Mastanabad M, Nooraei A, Hassan Zadeh Tabatabaei MS, Akbari Fakhrabadi A, Jafarzadeh F. Granulocyte-colony stimulating factor (G-CSF): an emerging therapeutic approach for amyotrophic lateral sclerosis (ALS). Acta Neurol Belg 2022:10.1007/s13760-022-01996-z. [PMID: 35737276 DOI: 10.1007/s13760-022-01996-z] [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: 10/21/2021] [Accepted: 06/01/2022] [Indexed: 11/29/2022]
Abstract
Amyotrophic lateral sclerosis (ALS) is a neurodegenerative disorder characterized by neuronal degeneration and inflammation in the nerves. G-CSF is a 19.6-kDa hematopoietic growth factor which is essential for the proliferation and differentiation of granulocyte hematopoietic progenitors. G-CSF exerts neuroprotective activities by induction of neuronal regeneration, inhibition of neuronal apoptosis, mobilization of Hematopoietic stem cells (HSCs), regulation of pro and anti-inflammatory cytokines, and activation of angiogenesis. Pre-clinical studies have shown significant efficacy of G-CSF therapy in mSOD1G93A mice models. G-CSF treatments were able to increase the survival of mice. However, clinical studies on ALS patients failed to clone pre-clinical results. Considering the potential role of G-CSF in nervous system regeneration, this study aimed to comprehensively review the clinical and pre-clinical studies addressing G-CSF in ALS treatment.
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Affiliation(s)
| | - Aref Nooraei
- Comparative Anatomy and Embryology, School of Veterinary Medicine, Shahid Chamran University of Ahvaz, Ahvaz, Iran
| | | | | | - Faria Jafarzadeh
- Department of Internal Medicine, School of Medicine, North Khorasan University of Medical Sciences, Bojnourd, Iran.
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14
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Trolese MC, Scarpa C, Melfi V, Fabbrizio P, Sironi F, Rossi M, Bendotti C, Nardo G. Boosting the peripheral immune response in the skeletal muscles improved motor function in ALS transgenic mice. Mol Ther 2022; 30:2760-2784. [PMID: 35477657 PMCID: PMC9372324 DOI: 10.1016/j.ymthe.2022.04.018] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Revised: 04/15/2022] [Accepted: 04/25/2022] [Indexed: 11/26/2022] Open
Abstract
Monocyte chemoattractant protein-1 (MCP1) is one of the most powerful pro-inflammatory chemokines. However, its signalling is pivotal in driving injured axon and muscle regeneration.
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Affiliation(s)
- Maria Chiara Trolese
- Laboratory of Molecular Neurobiology, Department of Neuroscience, Istituto di Ricerche Farmacologiche Mario Negri Mario Negri IRCCS, Via Mario Negri 2, 20156 Milan, Italy
| | - Carlotta Scarpa
- Laboratory of Molecular Neurobiology, Department of Neuroscience, Istituto di Ricerche Farmacologiche Mario Negri Mario Negri IRCCS, Via Mario Negri 2, 20156 Milan, Italy
| | - Valentina Melfi
- Laboratory of Molecular Neurobiology, Department of Neuroscience, Istituto di Ricerche Farmacologiche Mario Negri Mario Negri IRCCS, Via Mario Negri 2, 20156 Milan, Italy
| | - Paola Fabbrizio
- Laboratory of Molecular Neurobiology, Department of Neuroscience, Istituto di Ricerche Farmacologiche Mario Negri Mario Negri IRCCS, Via Mario Negri 2, 20156 Milan, Italy
| | - Francesca Sironi
- Laboratory of Molecular Neurobiology, Department of Neuroscience, Istituto di Ricerche Farmacologiche Mario Negri Mario Negri IRCCS, Via Mario Negri 2, 20156 Milan, Italy
| | - Martina Rossi
- Laboratory of Molecular Neurobiology, Department of Neuroscience, Istituto di Ricerche Farmacologiche Mario Negri Mario Negri IRCCS, Via Mario Negri 2, 20156 Milan, Italy
| | - Caterina Bendotti
- Laboratory of Molecular Neurobiology, Department of Neuroscience, Istituto di Ricerche Farmacologiche Mario Negri Mario Negri IRCCS, Via Mario Negri 2, 20156 Milan, Italy;.
| | - Giovanni Nardo
- Laboratory of Molecular Neurobiology, Department of Neuroscience, Istituto di Ricerche Farmacologiche Mario Negri Mario Negri IRCCS, Via Mario Negri 2, 20156 Milan, Italy;.
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15
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Tallon C, Sharma A, Zhang Z, Thomas AG, Ng J, Zhu X, Donoghue A, Schulte M, Joe TR, Kambhampati SP, Sharma R, Liaw K, Kannan S, Kannan RM, Slusher BS. Dendrimer-2PMPA Delays Muscle Function Loss and Denervation in a Murine Model of Amyotrophic Lateral Sclerosis. Neurotherapeutics 2022; 19:274-288. [PMID: 34984651 PMCID: PMC9130402 DOI: 10.1007/s13311-021-01159-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/05/2021] [Indexed: 01/03/2023] Open
Abstract
Amyotrophic lateral sclerosis (ALS) is a devastating neurodegenerative disease where muscle weakness and neuromuscular junction (NMJ) denervation precede motor neuron cell death. Although acetylcholine is the canonical neurotransmitter at the mammalian NMJ synapse, glutamate has recently been identified as a critical neurotransmitter for NMJ development and maintenance. One source of glutamate is through the catabolism of N-acetyl-aspartyl-glutamate (NAAG), which is found in mM concentrations in mammalian motoneurons, where it is released upon stimulation and hydrolyzed to glutamate by the glial enzyme glutamate carboxypeptidase II (GCPII). Using the SOD1G93A model of ALS, we found an almost fourfold elevation of GCPII enzymatic activity in SOD1G93A versus WT muscle and a robust increase in GCPII expression which was specifically associated with activated macrophages infiltrating the muscle. 2-(Phosphonomethyl)pentanedioic acid (2PMPA) is a potent GCPII inhibitor which robustly blocks glutamate release from NAAG but is highly polar with limited tissue penetration. To improve this, we covalently attached 2PMPA to a hydroxyl polyamidoamine (PAMAM-G4-OH) dendrimer delivery system (D-2PMPA) which is known to target activated macrophages in affected tissues. Systemic D-2PMPA therapy (20 mg/kg 2PMPA equivalent; IP 2 × /week) was found to localize in muscle macrophages in SOD1G93A mice and completely normalize the enhanced GCPII activity. Although no changes in body weight or survival were observed, D-2PMPA significantly improved grip strength and inhibited the loss of NMJ innervation in the gastrocnemius muscles. Our finding that inhibiting elevated GCPII activity in SOD1G93A muscle can prolong muscle function and delay NMJ denervation may have early therapeutic implications for ALS patients.
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Affiliation(s)
- Carolyn Tallon
- Johns Hopkins Drug Discovery, Johns Hopkins University School of Medicine, Baltimore, USA
- Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, USA
| | - Anjali Sharma
- Center for Nanomedicine-Ophthalmology, Johns Hopkins University School of Medicine, Baltimore, USA
| | - Zhi Zhang
- Center for Anesthesiology and Critical Care Medicine, Johns Hopkins University School of Medicine, Baltimore, USA
- Department of Natural Sciences, University of Michigan-Dearborn, Dearborn, MI, 48128, USA
| | - Ajit G Thomas
- Johns Hopkins Drug Discovery, Johns Hopkins University School of Medicine, Baltimore, USA
| | - Justin Ng
- Johns Hopkins Drug Discovery, Johns Hopkins University School of Medicine, Baltimore, USA
| | - Xiaolei Zhu
- Johns Hopkins Drug Discovery, Johns Hopkins University School of Medicine, Baltimore, USA
- Department of Psychiatry and Behavioral Science, Johns Hopkins University School of Medicine, Baltimore, USA
| | - Amanda Donoghue
- Johns Hopkins Drug Discovery, Johns Hopkins University School of Medicine, Baltimore, USA
| | - Michael Schulte
- Johns Hopkins Drug Discovery, Johns Hopkins University School of Medicine, Baltimore, USA
| | - Tawnjerae R Joe
- Johns Hopkins Drug Discovery, Johns Hopkins University School of Medicine, Baltimore, USA
- Department of Cell Biology, Johns Hopkins University School of Medicine, Baltimore, USA
| | - Siva P Kambhampati
- Center for Nanomedicine-Ophthalmology, Johns Hopkins University School of Medicine, Baltimore, USA
| | - Rishi Sharma
- Center for Nanomedicine-Ophthalmology, Johns Hopkins University School of Medicine, Baltimore, USA
| | - Kevin Liaw
- Center for Nanomedicine-Ophthalmology, Johns Hopkins University School of Medicine, Baltimore, USA
| | - Sujatha Kannan
- Center for Anesthesiology and Critical Care Medicine, Johns Hopkins University School of Medicine, Baltimore, USA
- Hugo W. Moser Research Institute at Kennedy-Krieger, Inc, Baltimore, USA
| | - Rangaramanujam M Kannan
- Center for Nanomedicine-Ophthalmology, Johns Hopkins University School of Medicine, Baltimore, USA
- Hugo W. Moser Research Institute at Kennedy-Krieger, Inc, Baltimore, USA
- Department of Chemical and Biomolecular Engineering, Johns Hopkins University School of Medicine, Baltimore, USA
| | - Barbara S Slusher
- Johns Hopkins Drug Discovery, Johns Hopkins University School of Medicine, Baltimore, USA.
- Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, USA.
- Department of Oncology, Johns Hopkins University School of Medicine, Baltimore, USA.
- Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, USA.
- Department of Pharmacology and Molecular Sciences, Johns Hopkins University School of Medicine, Baltimore, USA.
- Department of Psychiatry and Behavioral Science, Johns Hopkins University School of Medicine, Baltimore, USA.
- Johns Hopkins University School of Medicine, 855 N. Wolfe Street, Rangos 278, Baltimore, MD, 21205, USA.
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16
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Mechanistic Insight from Preclinical Models of Parkinson's Disease Could Help Redirect Clinical Trial Efforts in GDNF Therapy. Int J Mol Sci 2021; 22:ijms222111702. [PMID: 34769132 PMCID: PMC8583859 DOI: 10.3390/ijms222111702] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2021] [Revised: 10/23/2021] [Accepted: 10/25/2021] [Indexed: 11/16/2022] Open
Abstract
Parkinson’s disease (PD) is characterized by four pathognomonic hallmarks: (1) motor and non-motor deficits; (2) neuroinflammation and oxidative stress; (3) pathological aggregates of the α-synuclein (α-syn) protein; (4) neurodegeneration of the nigrostriatal system. Recent evidence sustains that the aggregation of pathological α-syn occurs in the early stages of the disease, becoming the first trigger of neuroinflammation and subsequent neurodegeneration. Thus, a therapeutic line aims at striking back α-synucleinopathy and neuroinflammation to impede neurodegeneration. Another therapeutic line is restoring the compromised dopaminergic system using neurotrophic factors, particularly the glial cell-derived neurotrophic factor (GDNF). Preclinical studies with GDNF have provided encouraging results but often lack evaluation of anti-α-syn and anti-inflammatory effects. In contrast, clinical trials have yielded imprecise results and have reported the emergence of severe side effects. Here, we analyze the discrepancy between preclinical and clinical outcomes, review the mechanisms of the aggregation of pathological α-syn, including neuroinflammation, and evaluate the neurorestorative properties of GDNF, emphasizing its anti-α-syn and anti-inflammatory effects in preclinical and clinical trials.
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17
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Lynch EM, Robertson S, FitzGibbons C, Reilly M, Switalski C, Eckardt A, Tey SR, Hayakawa K, Suzuki M. Transcriptome analysis using patient iPSC-derived skeletal myocytes: Bet1L as a new molecule possibly linked to neuromuscular junction degeneration in ALS. Exp Neurol 2021; 345:113815. [PMID: 34310943 DOI: 10.1016/j.expneurol.2021.113815] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2021] [Revised: 06/23/2021] [Accepted: 07/20/2021] [Indexed: 02/07/2023]
Abstract
Amyotrophic lateral sclerosis (ALS) is a fatal neuromuscular disease in which patients gradually become paralyzed due to loss of motor function. Many genetically inheritable mutations have been linked to ALS; however, the majority of ALS patients are considered sporadic. Therefore, there is a need for a common therapy that is effective for all ALS patients. Although there is evidence of the disease beginning in the periphery at the neuromuscular junction (NMJ), the specific processes involved in skeletal muscle and at the NMJ are still largely unknown. To study common disease mechanisms in ALS skeletal muscle, we performed RNA sequencing of skeletal myocytes differentiated from induced pluripotent stem cells (iPSCs) derived from familial ALS (with C9ORF72, SOD1, or TARDBP mutations) and sporadic ALS patients. Compared to healthy control lines, the myocytes from all ALS lines showed downregulation of four genes: BET1L, DCX, GPC3, and HNRNPK. We next measured the expression levels of these four genes in hind limb muscle samples from a rat model of familial ALS (SOD1G93A transgenic) and found that only the Bet1L gene, which encodes Bet1 Golgi Vesicular Membrane Trafficking Protein Like, was commonly downregulated. Bet1L protein appeared to be localized to the basal lamina of the NMJ, with decreased expression over time in SOD1G93A transgenic rats. Importantly, the expression levels began to decrease early in the disease process. Our results indicate that loss of Bet1L at the NMJ could be of interest for better understanding ALS disease progression.
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Affiliation(s)
- Eileen M Lynch
- Department of Comparative Biosciences, University of Wisconsin-Madison, WI, USA
| | - Samantha Robertson
- Department of Comparative Biosciences, University of Wisconsin-Madison, WI, USA
| | - Claire FitzGibbons
- Department of Comparative Biosciences, University of Wisconsin-Madison, WI, USA
| | - Megan Reilly
- Department of Comparative Biosciences, University of Wisconsin-Madison, WI, USA
| | - Colton Switalski
- Department of Comparative Biosciences, University of Wisconsin-Madison, WI, USA
| | - Adam Eckardt
- Department of Comparative Biosciences, University of Wisconsin-Madison, WI, USA
| | - Sin-Ruow Tey
- Department of Comparative Biosciences, University of Wisconsin-Madison, WI, USA
| | - Koji Hayakawa
- Department of Toxicology, Faculty of Veterinary Medicine, Okayama University of Science, Ehime, Japan
| | - Masatoshi Suzuki
- Department of Comparative Biosciences, University of Wisconsin-Madison, WI, USA; Stem Cell and Regenerative Medicine Center, University of Wisconsin-Madison, WI, USA.
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18
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Vicario N, Spitale FM, Tibullo D, Giallongo C, Amorini AM, Scandura G, Spoto G, Saab MW, D'Aprile S, Alberghina C, Mangione R, Bernstock JD, Botta C, Gulisano M, Buratti E, Leanza G, Zorec R, Vecchio M, Di Rosa M, Li Volti G, Lazzarino G, Parenti R, Gulino R. Clobetasol promotes neuromuscular plasticity in mice after motoneuronal loss via sonic hedgehog signaling, immunomodulation and metabolic rebalancing. Cell Death Dis 2021; 12:625. [PMID: 34135312 PMCID: PMC8209072 DOI: 10.1038/s41419-021-03907-1] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Revised: 06/04/2021] [Accepted: 06/07/2021] [Indexed: 12/13/2022]
Abstract
Motoneuronal loss is the main feature of amyotrophic lateral sclerosis, although pathogenesis is extremely complex involving both neural and muscle cells. In order to translationally engage the sonic hedgehog pathway, which is a promising target for neural regeneration, recent studies have reported on the neuroprotective effects of clobetasol, an FDA-approved glucocorticoid, able to activate this pathway via smoothened. Herein we sought to examine functional, cellular, and metabolic effects of clobetasol in a neurotoxic mouse model of spinal motoneuronal loss. We found that clobetasol reduces muscle denervation and motor impairments in part by restoring sonic hedgehog signaling and supporting spinal plasticity. These effects were coupled with reduced pro-inflammatory microglia and reactive astrogliosis, reduced muscle atrophy, and support of mitochondrial integrity and metabolism. Our results suggest that clobetasol stimulates a series of compensatory processes and therefore represents a translational approach for intractable denervating and neurodegenerative disorders.
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Affiliation(s)
- Nunzio Vicario
- Department of Biomedical and Biotechnological Sciences, Section of Physiology, University of Catania, 95123, Catania, Italy.
- Molecular Preclinical and Translational Imaging Research Centre - IMPRonTE, University of Catania, 95125, Catania, Italy.
| | - Federica M Spitale
- Department of Biomedical and Biotechnological Sciences, Section of Physiology, University of Catania, 95123, Catania, Italy
| | - Daniele Tibullo
- Department of Biomedical and Biotechnological Sciences, Section of Biochemistry, University of Catania, 95123, Catania, Italy
| | - Cesarina Giallongo
- Department of Medical, Surgical Sciences and Advanced Technologies G.F. Ingrassia, University of Catania, 95123, Catania, Italy
| | - Angela M Amorini
- Department of Biomedical and Biotechnological Sciences, Section of Biochemistry, University of Catania, 95123, Catania, Italy
| | - Grazia Scandura
- Department of Biomedical and Biotechnological Sciences, Section of Physiology, University of Catania, 95123, Catania, Italy
- Department of Medical, Surgical Sciences and Advanced Technologies G.F. Ingrassia, University of Catania, 95123, Catania, Italy
| | - Graziana Spoto
- Department of Biomedical and Biotechnological Sciences, Section of Physiology, University of Catania, 95123, Catania, Italy
| | - Miriam W Saab
- Department of Biomedical and Biotechnological Sciences, Section of Biochemistry, University of Catania, 95123, Catania, Italy
| | - Simona D'Aprile
- Department of Biomedical and Biotechnological Sciences, Section of Physiology, University of Catania, 95123, Catania, Italy
| | - Cristiana Alberghina
- Department of Biomedical and Biotechnological Sciences, Section of Physiology, University of Catania, 95123, Catania, Italy
| | - Renata Mangione
- Department of Biomedical and Biotechnological Sciences, Section of Biochemistry, University of Catania, 95123, Catania, Italy
- Department of Basic Biotechnological Sciences, Intensive and Perioperative Clinics, Catholic University of Rome, 00168, Rome, Italy
| | - Joshua D Bernstock
- Department of Neurosurgery, Brigham and Women's Hospital, Harvard University, Boston, MA, 02155, USA
| | - Cirino Botta
- Hematology Unit, Annunziata Hospital, 87100, Cosenza, Italy
| | - Massimo Gulisano
- Molecular Preclinical and Translational Imaging Research Centre - IMPRonTE, University of Catania, 95125, Catania, Italy
- Department of Drug and Health Sciences, University of Catania, 95123, Catania, Italy
| | - Emanuele Buratti
- International Centre for Genetic Engineering and Biotechnology (ICGEB), 34149, Trieste, Italy
| | - Giampiero Leanza
- Molecular Preclinical and Translational Imaging Research Centre - IMPRonTE, University of Catania, 95125, Catania, Italy
- Department of Drug and Health Sciences, University of Catania, 95123, Catania, Italy
| | - Robert Zorec
- Laboratory of Cell Engineering, Celica Biomedical, 1000, Ljubljana, Slovenia
- Laboratory of Neuroendocrinology - Molecular Cell Physiology, Institute of Pathophysiology, Faculty of Medicine, University of Ljubljana, 1000, Ljubljana, Slovenia
| | - Michele Vecchio
- Rehabilitation Unit, AOU Policlinico G. Rodolico, 95123, Catania, Italy
- Department of Biomedical and Biotechnological Sciences,Section of Pharmacology, University of Catania, 95123, Catania, Italy
| | - Michelino Di Rosa
- Department of Biomedical and Biotechnological Sciences, Section of Anatomy, Histology and Movement Sciences, University of Catania, 95123, Catania, Italy
| | - Giovanni Li Volti
- Department of Biomedical and Biotechnological Sciences, Section of Biochemistry, University of Catania, 95123, Catania, Italy
| | - Giuseppe Lazzarino
- Department of Biomedical and Biotechnological Sciences, Section of Biochemistry, University of Catania, 95123, Catania, Italy
| | - Rosalba Parenti
- Department of Biomedical and Biotechnological Sciences, Section of Physiology, University of Catania, 95123, Catania, Italy.
- Molecular Preclinical and Translational Imaging Research Centre - IMPRonTE, University of Catania, 95125, Catania, Italy.
| | - Rosario Gulino
- Department of Biomedical and Biotechnological Sciences, Section of Physiology, University of Catania, 95123, Catania, Italy.
- Molecular Preclinical and Translational Imaging Research Centre - IMPRonTE, University of Catania, 95125, Catania, Italy.
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19
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Si Y, Kazamel M, Benatar M, Wuu J, Kwon Y, Kwan T, Jiang N, Kentrup D, Faul C, Alesce L, King PH. FGF23, a novel muscle biomarker detected in the early stages of ALS. Sci Rep 2021; 11:12062. [PMID: 34103575 PMCID: PMC8187665 DOI: 10.1038/s41598-021-91496-6] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2021] [Accepted: 05/27/2021] [Indexed: 01/17/2023] Open
Abstract
Amyotrophic lateral sclerosis (ALS) is a fatal neurodegenerative disease characterized by progressive muscle weakness. Skeletal muscle is a prime source for biomarker discovery since it is one of the earliest sites to manifest disease pathology. From a prior RNA sequencing project, we identified FGF23 as a potential muscle biomarker in ALS. Here, we validate this finding with a large collection of ALS muscle samples and found a 13-fold increase over normal controls. FGF23 was also increased in the SOD1G93A mouse, beginning at a very early stage and well before the onset of clinical symptoms. FGF23 levels progressively increased through end-stage in the mouse. Immunohistochemistry of ALS muscle showed prominent FGF23 immunoreactivity in the endomysial connective tissue and along the muscle membrane and was significantly higher around grouped atrophic fibers compared to non-atrophic fibers. ELISA of plasma samples from the SOD1G93A mouse showed an increase in FGF23 at end-stage whereas no increase was detected in a large cohort of ALS patients. In conclusion, FGF23 is a novel muscle biomarker in ALS and joins a molecular signature that emerges in very early preclinical stages. The early appearance of FGF23 and its progressive increase with disease progression offers a new direction for exploring the molecular basis and response to the underlying pathology of ALS.
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Affiliation(s)
- Ying Si
- Department of Neurology, University of Alabama at Birmingham, Civitan 545C, 1530 3rd Avenue South, Birmingham, AL, 35294, USA
- Birmingham Veterans Affairs Medical Center, Birmingham, AL, 35294, USA
| | - Mohamed Kazamel
- Department of Neurology, University of Alabama at Birmingham, Civitan 545C, 1530 3rd Avenue South, Birmingham, AL, 35294, USA
| | - Michael Benatar
- Department of Neurology, University of Miami, Miami, FL, 33136, USA
| | - Joanne Wuu
- Department of Neurology, University of Miami, Miami, FL, 33136, USA
| | - Yuri Kwon
- Department of Neurology, University of Alabama at Birmingham, Civitan 545C, 1530 3rd Avenue South, Birmingham, AL, 35294, USA
| | - Thaddaeus Kwan
- Department of Neurology, University of Alabama at Birmingham, Civitan 545C, 1530 3rd Avenue South, Birmingham, AL, 35294, USA
| | - Nan Jiang
- Department of Neurology, University of Alabama at Birmingham, Civitan 545C, 1530 3rd Avenue South, Birmingham, AL, 35294, USA
- Birmingham Veterans Affairs Medical Center, Birmingham, AL, 35294, USA
| | - Dominik Kentrup
- Department of Medicine (Division of Nephrology and Hypertension), University of Alabama at Birmingham, Birmingham, AL, 35294, USA
| | - Christian Faul
- Department of Medicine (Division of Nephrology and Hypertension), University of Alabama at Birmingham, Birmingham, AL, 35294, USA
| | - Lyndsy Alesce
- Department of Neurology, University of Alabama at Birmingham, Civitan 545C, 1530 3rd Avenue South, Birmingham, AL, 35294, USA
| | - Peter H King
- Department of Neurology, University of Alabama at Birmingham, Civitan 545C, 1530 3rd Avenue South, Birmingham, AL, 35294, USA.
- Department of Cell, Developmental, and Integrative Biology, University of Alabama at Birmingham, Birmingham, AL, 35294, USA.
- Birmingham Veterans Affairs Medical Center, Birmingham, AL, 35294, USA.
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Puigdomenech-Poch M, Martínez-Muriana A, Andrés-Benito P, Ferrer I, Chun J, López-Vales R. Dual Role of Lysophosphatidic Acid Receptor 2 (LPA 2) in Amyotrophic Lateral Sclerosis. Front Cell Neurosci 2021; 15:600872. [PMID: 33841099 PMCID: PMC8026865 DOI: 10.3389/fncel.2021.600872] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2020] [Accepted: 03/01/2021] [Indexed: 11/13/2022] Open
Abstract
Lysophosphatidic acid (LPA) is a pleiotropic extracellular lipid mediator with many physiological functions that signal through six known G protein-coupled receptors (LPA1-6). In the central nervous system (CNS), LPA mediates a wide range of effects including neural progenitor cell physiology, neuronal cell death, axonal retraction, and inflammation. Since inflammation is a hallmark of most neurological conditions, we hypothesized that LPA could be involved in the physiopathology of amyotrophic lateral sclerosis (ALS). We found that LPA2 RNA was upregulated in post-mortem spinal cord samples of ALS patients and in the sciatic nerve and skeletal muscle of SOD1G93A mouse, the most widely used ALS mouse model. To assess the contribution of LPA2 to ALS, we generated a SOD1G93A mouse that was deficient in Lpar2. This animal revealed that LPA2 signaling accelerates disease onset and neurological decline but, unexpectedly, extended the lifespan. To gain insights into the early harmful actions of LPA2 in ALS, we studied the effects of this receptor in the spinal cord, peripheral nerve, and skeletal muscle of ALS mice. We found that LPA2 gene deletion increased microglial activation but did not contribute to motoneuron death, astrogliosis, degeneration, and demyelination of motor axons. However, we observed that Lpar2 deficiency protected against muscle atrophy. Moreover, we also found the deletion of Lpar2 reduced the invasion of macrophages into the skeletal muscle of SOD1G93A mice, linking LPA2 signaling with muscle inflammation and atrophy in ALS. Overall, these results suggest for the first time that LPA2 contributes to ALS, and its genetic deletion results in protective actions at the early stages of the disease but shortens survival thereafter.
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Affiliation(s)
- Maria Puigdomenech-Poch
- Departament de Biologia Cellular, Fisiologia i Immunologia, Institut de Neurociències, Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), Universitat Autònoma de Barcelona, Bellaterra, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Neurodegenerativas (CIBERNED), Madrid, Spain
| | - Anna Martínez-Muriana
- Departament de Biologia Cellular, Fisiologia i Immunologia, Institut de Neurociències, Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), Universitat Autònoma de Barcelona, Bellaterra, Spain
| | - Pol Andrés-Benito
- Centro de Investigación Biomédica en Red de Enfermedades Neurodegenerativas (CIBERNED), Madrid, Spain
- Departament de Patologia i Terapèutica Experimental, Hospital Universitari de Bellvitge, IDIBELL, L’Hospitalet de Llobregat, Universitat de Barcelona, Barcelona, Spain
| | - Isidre Ferrer
- Centro de Investigación Biomédica en Red de Enfermedades Neurodegenerativas (CIBERNED), Madrid, Spain
- Departament de Patologia i Terapèutica Experimental, Hospital Universitari de Bellvitge, IDIBELL, L’Hospitalet de Llobregat, Universitat de Barcelona, Barcelona, Spain
| | - Jerold Chun
- Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA, United States
| | - Rubèn López-Vales
- Departament de Biologia Cellular, Fisiologia i Immunologia, Institut de Neurociències, Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), Universitat Autònoma de Barcelona, Bellaterra, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Neurodegenerativas (CIBERNED), Madrid, Spain
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21
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Inflammasome in ALS Skeletal Muscle: NLRP3 as a Potential Biomarker. Int J Mol Sci 2021; 22:ijms22052523. [PMID: 33802349 PMCID: PMC7959138 DOI: 10.3390/ijms22052523] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2021] [Revised: 02/19/2021] [Accepted: 02/26/2021] [Indexed: 02/07/2023] Open
Abstract
Since NLRP3 inflammasome plays a pivotal role in several neurodegenerative disorders, we hypothesized that levels of inflammasome components could help in diagnosis or prognosis of amyotrophic lateral sclerosis (ALS). Gene and protein expression was assayed by RT-PCR and Western blot. Spearman's correlation coefficient was used to determine the linear correlation of transcriptional expression levels with longevity throughout disease progression in mice models. Kaplan-Meier analysis was performed to evaluate MCC950 effects (NLRP3 inhibitor) on lifespan of SOD1G93A mice. The results showed significant alterations in NLRP3 inflammasome gene and protein levels in the skeletal muscle of SOD1G93A mice. Spearman's correlation coefficient revealed a positive association between Nlrp3 transcriptional levels in skeletal muscle and longevity of SOD1G93A mice (r = 0.506; p = 0.027). Accordingly, NLRP3 inactivation with MCC950 decreased the lifespan of mice. Furthermore, NLRP3 mRNA levels were significantly elevated in the blood of ALS patients compared to healthy controls (p = 0.03). In conclusion, NLRP3 could be involved in skeletal muscle pathogenesis of ALS, either through inflammasome or independently, and may play a dual role during disease progression. NLRP3 gene expression levels could be used as a biomarker to improve diagnosis and prognosis in skeletal muscle from animal models and also to support diagnosis in clinical practice with the blood of ALS patients.
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22
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Guidotti G, Scarlata C, Brambilla L, Rossi D. Tumor Necrosis Factor Alpha in Amyotrophic Lateral Sclerosis: Friend or Foe? Cells 2021; 10:cells10030518. [PMID: 33804386 PMCID: PMC8000008 DOI: 10.3390/cells10030518] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Revised: 02/15/2021] [Accepted: 02/23/2021] [Indexed: 12/11/2022] Open
Abstract
Amyotrophic lateral sclerosis (ALS) is a fatal neurodegenerative disease characterized by a massive neuroinflammatory reaction, which plays a key role in the progression of the disease. One of the major mediators of the inflammatory response is the pleiotropic cytokine tumor necrosis factor α (TNFα), mainly released within the central nervous system (CNS) by reactive astrocytes and microglia. Increased levels of TNFα and its receptors (TNFR1 and TNFR2) have been described in plasma, serum, cerebrospinal fluid and CNS tissue from both ALS patients and transgenic animal models of disease. However, the precise role exerted by TNFα in the context of ALS is still highly controversial, since both protective and detrimental functions have been reported. These opposing actions depend on multiple factors, among which includes the type of TNFα receptor activated. In fact, TNFR2 seems to mediate a harmful role being involved in motor neuron cell death, whereas TNFR1 signaling mediates neuroprotective effects, promoting the expression and secretion of trophic factors. This suggests that a better understanding of the cytokine impact on ALS progression may enable the development of effective therapies aimed at strengthening the protective roles of TNFα and at suppressing the detrimental ones.
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23
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de Jongh R, Spijkers XM, Pasteuning-Vuhman S, Vulto P, Pasterkamp RJ. Neuromuscular junction-on-a-chip: ALS disease modeling and read-out development in microfluidic devices. J Neurochem 2021; 157:393-412. [PMID: 33382092 DOI: 10.1111/jnc.15289] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2020] [Revised: 12/24/2020] [Accepted: 12/28/2020] [Indexed: 12/21/2022]
Abstract
Amyotrophic lateral sclerosis (ALS) is a fatal and progressive neurodegenerative disease affecting upper and lower motor neurons with no cure available. Clinical and animal studies reveal that the neuromuscular junction (NMJ), a synaptic connection between motor neurons and skeletal muscle fibers, is highly vulnerable in ALS and suggest that NMJ defects may occur at the early stages of the disease. However, mechanistic insight into how NMJ dysfunction relates to the onset and progression of ALS is incomplete, which hampers therapy development. This is, in part, caused by a lack of robust in vitro models. The ability to combine microfluidic and induced pluripotent stem cell (iPSC) technologies has opened up new avenues for studying molecular and cellular ALS phenotypes in vitro. Microfluidic devices offer several advantages over traditional culture approaches when modeling the NMJ, such as the spatial separation of different cell types and increased control over the cellular microenvironment. Moreover, they are compatible with 3D cell culture, which enhances NMJ functionality and maturity. Here, we review how microfluidic technology is currently being employed to develop more reliable in vitro NMJ models. To validate and phenotype such models, various morphological and functional read-outs have been developed. We describe and discuss the relevance of these read-outs and specifically illustrate how these read-outs have enhanced our understanding of NMJ pathology in ALS. Finally, we share our view on potential future directions and challenges.
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Affiliation(s)
- Rianne de Jongh
- Department of Translational Neuroscience, University Medical Center Utrecht Brain Center, Utrecht University, Utrecht, The Netherlands
| | - Xandor M Spijkers
- Department of Translational Neuroscience, University Medical Center Utrecht Brain Center, Utrecht University, Utrecht, The Netherlands.,Mimetas B.V., Organ-on-a-chip Company, Leiden, The Netherlands
| | - Svetlana Pasteuning-Vuhman
- Department of Translational Neuroscience, University Medical Center Utrecht Brain Center, Utrecht University, Utrecht, The Netherlands
| | - Paul Vulto
- Mimetas B.V., Organ-on-a-chip Company, Leiden, The Netherlands
| | - R Jeroen Pasterkamp
- Department of Translational Neuroscience, University Medical Center Utrecht Brain Center, Utrecht University, Utrecht, The Netherlands
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24
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Rios R, Jablonka-Shariff A, Broberg C, Snyder-Warwick AK. Macrophage roles in peripheral nervous system injury and pathology: Allies in neuromuscular junction recovery. Mol Cell Neurosci 2021; 111:103590. [PMID: 33422671 DOI: 10.1016/j.mcn.2021.103590] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2020] [Revised: 12/15/2020] [Accepted: 01/01/2021] [Indexed: 12/11/2022] Open
Abstract
Peripheral nerve injuries remain challenging to treat despite extensive research on reparative processes at the injury site. Recent studies have emphasized the importance of immune cells, particularly macrophages, in recovery from nerve injury. Macrophage plasticity enables numerous functions at the injury site. At early time points, macrophages perform inflammatory functions, but at later time points, they adopt pro-regenerative phenotypes to support nerve regeneration. Research has largely been limited, however, to the injury site. The neuromuscular junction (NMJ), the synapse between the nerve terminal and end target muscle, has received comparatively less attention, despite the importance of NMJ reinnervation for motor recovery. Macrophages are present at the NMJ following nerve injury. Moreover, in denervating diseases, such as amyotrophic lateral sclerosis (ALS), macrophages may also play beneficial roles at the NMJ. Evidence of positive macrophages roles at the injury site after peripheral nerve injury and at the NMJ in denervating pathologies suggest that macrophages may promote NMJ reinnervation. In this review, we discuss the intersection of nerve injury and immunity, with a focus on macrophages.
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Affiliation(s)
- Rachel Rios
- Washington University School of Medicine, St. Louis, MO, United States of America
| | - Albina Jablonka-Shariff
- Division of Plastic Surgery, Department of Surgery, Washington University School of Medicine, St. Louis, MO, United States of America
| | - Curtis Broberg
- Washington University School of Medicine, St. Louis, MO, United States of America
| | - Alison K Snyder-Warwick
- Division of Plastic Surgery, Department of Surgery, Washington University School of Medicine, St. Louis, MO, United States of America.
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25
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Manzano R, Toivonen JM, Moreno-Martínez L, de la Torre M, Moreno-García L, López-Royo T, Molina N, Zaragoza P, Calvo AC, Osta R. What skeletal muscle has to say in amyotrophic lateral sclerosis: Implications for therapy. Br J Pharmacol 2020; 178:1279-1297. [PMID: 32986860 DOI: 10.1111/bph.15276] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2020] [Revised: 09/03/2020] [Accepted: 09/23/2020] [Indexed: 12/12/2022] Open
Abstract
Amyotrophic lateral sclerosis (ALS) is an adult onset disorder characterized by progressive neuromuscular junction (NMJ) dismantling and degeneration of motor neurons leading to atrophy and paralysis of voluntary muscles responsible for motion and breathing. Except for a minority of patients harbouring genetic mutations, the origin of most ALS cases remains elusive. Peripheral tissues, and particularly skeletal muscle, have lately demonstrated an active contribution to disease pathology attracting a growing interest for these tissues as therapeutic targets in ALS. In this sense, molecular mechanisms essential for cell and tissue homeostasis have been shown to be deregulated in the disease. These include muscle metabolism and mitochondrial activity, RNA processing, tissue-resident stem cell function responsible for muscle regeneration, and proteostasis that regulates muscle mass in adulthood. This review aims to compile scientific evidence that demonstrates the role of skeletal muscle in ALS pathology and serves as reference for development of novel therapeutic strategies targeting this tissue to delay disease onset and progression. LINKED ARTICLES: This article is part of a themed issue on Neurochemistry in Japan. To view the other articles in this section visit http://onlinelibrary.wiley.com/doi/10.1111/bph.v178.6/issuetoc.
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Affiliation(s)
- Raquel Manzano
- Department of Anatomy, Embryology and Animal Genetics, University of Zaragoza, Centro de Investigación Biomédica en Red de Enfermedades Neurodegenerativas (CIBERNED), Agroalimentary Institute of Aragon (IA2), Institute of Health Research of Aragon (IIS), Zaragoza, Spain
| | - Janne Markus Toivonen
- Department of Anatomy, Embryology and Animal Genetics, University of Zaragoza, Centro de Investigación Biomédica en Red de Enfermedades Neurodegenerativas (CIBERNED), Agroalimentary Institute of Aragon (IA2), Institute of Health Research of Aragon (IIS), Zaragoza, Spain
| | - Laura Moreno-Martínez
- Department of Anatomy, Embryology and Animal Genetics, University of Zaragoza, Centro de Investigación Biomédica en Red de Enfermedades Neurodegenerativas (CIBERNED), Agroalimentary Institute of Aragon (IA2), Institute of Health Research of Aragon (IIS), Zaragoza, Spain
| | - Miriam de la Torre
- Department of Anatomy, Embryology and Animal Genetics, University of Zaragoza, Centro de Investigación Biomédica en Red de Enfermedades Neurodegenerativas (CIBERNED), Agroalimentary Institute of Aragon (IA2), Institute of Health Research of Aragon (IIS), Zaragoza, Spain
| | - Leticia Moreno-García
- Department of Anatomy, Embryology and Animal Genetics, University of Zaragoza, Centro de Investigación Biomédica en Red de Enfermedades Neurodegenerativas (CIBERNED), Agroalimentary Institute of Aragon (IA2), Institute of Health Research of Aragon (IIS), Zaragoza, Spain
| | - Tresa López-Royo
- Department of Anatomy, Embryology and Animal Genetics, University of Zaragoza, Centro de Investigación Biomédica en Red de Enfermedades Neurodegenerativas (CIBERNED), Agroalimentary Institute of Aragon (IA2), Institute of Health Research of Aragon (IIS), Zaragoza, Spain
| | - Nora Molina
- Department of Anatomy, Embryology and Animal Genetics, University of Zaragoza, Centro de Investigación Biomédica en Red de Enfermedades Neurodegenerativas (CIBERNED), Agroalimentary Institute of Aragon (IA2), Institute of Health Research of Aragon (IIS), Zaragoza, Spain.,Geriatrics Service, Hospital Nuestra Señora de Gracia, Zaragoza, Spain
| | - Pilar Zaragoza
- Department of Anatomy, Embryology and Animal Genetics, University of Zaragoza, Centro de Investigación Biomédica en Red de Enfermedades Neurodegenerativas (CIBERNED), Agroalimentary Institute of Aragon (IA2), Institute of Health Research of Aragon (IIS), Zaragoza, Spain
| | - Ana Cristina Calvo
- Department of Anatomy, Embryology and Animal Genetics, University of Zaragoza, Centro de Investigación Biomédica en Red de Enfermedades Neurodegenerativas (CIBERNED), Agroalimentary Institute of Aragon (IA2), Institute of Health Research of Aragon (IIS), Zaragoza, Spain
| | - Rosario Osta
- Department of Anatomy, Embryology and Animal Genetics, University of Zaragoza, Centro de Investigación Biomédica en Red de Enfermedades Neurodegenerativas (CIBERNED), Agroalimentary Institute of Aragon (IA2), Institute of Health Research of Aragon (IIS), Zaragoza, Spain
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26
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Badyra B, Sułkowski M, Milczarek O, Majka M. Mesenchymal stem cells as a multimodal treatment for nervous system diseases. Stem Cells Transl Med 2020; 9:1174-1189. [PMID: 32573961 PMCID: PMC7519763 DOI: 10.1002/sctm.19-0430] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2019] [Revised: 05/05/2020] [Accepted: 05/14/2020] [Indexed: 12/13/2022] Open
Abstract
Neurological disorders are a massive challenge for modern medicine. Apart from the fact that this group of diseases is the second leading cause of death worldwide, the majority of patients have no access to any possible effective and standardized treatment after being diagnosed, leaving them and their families helpless. This is the reason why such great emphasis is being placed on the development of new, more effective methods to treat neurological patients. Regenerative medicine opens new therapeutic approaches in neurology, including the use of cell-based therapies. In this review, we focus on summarizing one of the cell sources that can be applied as a multimodal treatment tool to overcome the complex issue of neurodegeneration-mesenchymal stem cells (MSCs). Apart from the highly proven safety of this approach, beneficial effects connected to this type of treatment have been observed. This review presents modes of action of MSCs, explained on the basis of data from vast in vitro and preclinical studies, and we summarize the effects of using these cells in clinical trial settings. Finally, we stress what improvements have already been made to clarify the exact mechanism of MSCs action, and we discuss potential ways to improve the introduction of MSC-based therapies in clinics. In summary, we propose that more insightful and methodical optimization, by combining careful preparation and administration, can enable use of multimodal MSCs as an effective, tailored cell therapy suited to specific neurological disorders.
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Affiliation(s)
- Bogna Badyra
- Department of TransplantationJagiellonian University Medical CollegeCracowPoland
| | - Maciej Sułkowski
- Department of TransplantationJagiellonian University Medical CollegeCracowPoland
| | - Olga Milczarek
- Department of Children NeurosurgeryJagiellonian University Medical CollegeCracowPoland
| | - Marcin Majka
- Department of TransplantationJagiellonian University Medical CollegeCracowPoland
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27
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Tu H, Zhang D, Wadman MC, Li YL. Dexamethasone ameliorates recovery process of neuromuscular junctions after tourniquet-induced ischemia-reperfusion injuries in mouse hindlimb. Eur J Pharmacol 2020; 883:173364. [DOI: 10.1016/j.ejphar.2020.173364] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2020] [Revised: 07/07/2020] [Accepted: 07/09/2020] [Indexed: 02/06/2023]
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28
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Properties of Glial Cell at the Neuromuscular Junction Are Incompatible with Synaptic Repair in the SOD1G37R ALS Mouse Model. J Neurosci 2020; 40:7759-7777. [PMID: 32859714 DOI: 10.1523/jneurosci.1748-18.2020] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2018] [Revised: 08/12/2020] [Accepted: 08/17/2020] [Indexed: 12/17/2022] Open
Abstract
Amyotrophic lateral sclerosis (ALS) is a fatal neurodegenerative disease affecting motoneurons (MNs) in a motor-unit (MU)-dependent manner. Glial dysfunction contributes to numerous aspects of the disease. At the neuromuscular junction (NMJ), early alterations in perisynaptic Schwann cell (PSC), glial cells at this synapse, may impact their ability to regulate NMJ stability and repair. Indeed, muscarinic receptors (mAChRs) regulate the repair phenotype of PSCs and are overactivated at disease-resistant NMJs [soleus muscle (SOL)] in SOD1G37R mice. However, it remains unknown whether this is the case at disease-vulnerable NMJs and whether it translates into an impairment of PSC-dependent repair mechanisms. We used SOL and sternomastoid (STM) muscles from SOD1G37R mice and performed Ca2+-imaging to monitor PSC activity and used immunohistochemistry to analyze their repair and phagocytic properties. We show that PSC mAChR-dependent activity was transiently increased at disease-vulnerable NMJs (STM muscle). Furthermore, PSCs from both muscles extended disorganized processes from denervated NMJs and failed to initiate or guide nerve terminal sprouts at disease-vulnerable NMJs, a phenomenon essential for compensatory reinnervation. This was accompanied by a failure of numerous PSCs to upregulate galectin-3 (MAC-2), a marker of glial axonal debris phagocytosis, on NMJ denervation in SOD1 mice. Finally, differences in these PSC-dependent NMJ repair mechanisms were MU type dependent, thus reflecting MU vulnerability in ALS. Together, these results reveal that neuron-glia communication is ubiquitously altered at the NMJ in ALS. This appears to prevent PSCs from adopting a repair phenotype, resulting in a maladapted response to denervation at the NMJ in ALS.SIGNIFICANCE STATEMENT Understanding how the complex interplay between neurons and glial cells ultimately lead to the degeneration of motor neurons and loss of motor function is a fundamental question to comprehend amyotrophic lateral sclerosis (ALS). An early and persistent alteration of glial cell activity takes place at the neuromuscular junction (NMJ), the output of motor neurons, but its impact on NMJ repair remains unknown. Here, we reveal that glial cells at disease-vulnerable NMJs often fail to guide compensatory nerve terminal sprouts and to adopt a phagocytic phenotype on denervated NMJs in SOD1G37R mice. These results show that glial cells at the NMJ elaborate an inappropriate response to NMJ degeneration in a manner that reflects motor-unit (MU) vulnerability and potentially impairs compensatory reinnervation.
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29
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Harrison JM, Rafuse VF. Muscle fiber-type specific terminal Schwann cell pathology leads to sprouting deficits following partial denervation in SOD1 G93A mice. Neurobiol Dis 2020; 145:105052. [PMID: 32827689 DOI: 10.1016/j.nbd.2020.105052] [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: 04/24/2020] [Revised: 07/20/2020] [Accepted: 08/13/2020] [Indexed: 12/12/2022] Open
Abstract
Amyotrophic lateral sclerosis (ALS) is an adult-onset disease characterized by the progressive death of motoneurons and denervation of muscle fibers. To restore motor function, surviving motoneurons in partially denervated muscles typically sprout axons to reinnervate denervated endplates. However, studies on the SOD1G93A rodent models of ALS indicate that sprouting is significantly limited in fast, but not slow, twitch muscles after disease onset. This limitation hastens the rate of muscle weakness and loss of motor function. The causes of this limitation are currently unknown. Sprouting could be limited because the SOD1G93A mutation weakens motoneurons making them incapable of expanding their field of innervation. Alternatively, motoneurons may be capable of sprouting, but unable to do so due to the loss of a permissive sprouting environment. To distinguish between the two possibilities, we compared the sprouting capacity of motoneuron subtypes by partially denervating the fast twitch plantaris (composed of type IIa/IIb muscle fibers) and slow twitch soleus muscles (type I/IIa fibers) prior to disease onset and weakening in SOD1G93A and WT mice. We found that only motoneurons innervating the SOD1G93A plantaris had a limited sprouting capacity. This was correlated with the selective loss of terminal Schwann cells (TSCs) at IIb fibers and an increase in macrophage infiltration. Treating SOD1G93A mice with the tyrosine kinase inhibitor, masitinib, significantly reduced infiltration, prevented TSC loss, and increased the sprouting capacity to near normal. These results suggest that TSCs at denervated type IIb muscle fibers are aberrantly targeted by infiltrating macrophages in SOD1G93A mice, and their loss accounts, at least in part, for the compromised sprouting capacity of the largest motoneurons during early stages of ALS.
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Affiliation(s)
- Julia M Harrison
- Department of Medical Neuroscience, Dalhousie University, Halifax, Nova Scotia B3H 1X5, Canada; Brain Repair Centre, Life Sciences Research Institute, Halifax, Nova Scotia B3H 4R2, Canada
| | - Victor F Rafuse
- Department of Medical Neuroscience, Dalhousie University, Halifax, Nova Scotia B3H 1X5, Canada; Brain Repair Centre, Life Sciences Research Institute, Halifax, Nova Scotia B3H 4R2, Canada.
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30
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McCombe PA, Lee JD, Woodruff TM, Henderson RD. The Peripheral Immune System and Amyotrophic Lateral Sclerosis. Front Neurol 2020; 11:279. [PMID: 32373052 PMCID: PMC7186478 DOI: 10.3389/fneur.2020.00279] [Citation(s) in RCA: 47] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2019] [Accepted: 03/25/2020] [Indexed: 12/11/2022] Open
Abstract
Amyotrophic lateral sclerosis (ALS) is a severe neurodegenerative disease that is defined by loss of upper and lower motor neurons, associated with accumulation of protein aggregates in cells. There is also pathology in extra-motor areas of the brain, Possible causes of cell death include failure to deal with the aggregated proteins, glutamate toxicity and mitochondrial failure. ALS also involves abnormalities of metabolism and the immune system, including neuroinflammation in the brain and spinal cord. Strikingly, there are also abnormalities of the peripheral immune system, with alterations of T lymphocytes, monocytes, complement and cytokines in the peripheral blood of patients with ALS. The precise contribution of the peripheral immune system in ALS pathogenesis is an active area of research. Although some trials of immunomodulatory agents have been negative, there is strong preclinical evidence of benefit from immune modulation and further trials are currently underway. Here, we review the emerging evidence implicating peripheral immune alterations contributing to ALS, and their potential as future therapeutic targets for clinical intervention.
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Affiliation(s)
- Pamela A. McCombe
- Centre for Clinical Research, The University of Queensland, Brisbane, QLD, Australia
- Wesley Medical Research, The Wesley Hospital, Brisbane, QLD, Australia
| | - John D. Lee
- School of Biomedical Sciences, The University of Queensland, Brisbane, QLD, Australia
| | - Trent M. Woodruff
- Wesley Medical Research, The Wesley Hospital, Brisbane, QLD, Australia
- School of Biomedical Sciences, The University of Queensland, Brisbane, QLD, Australia
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31
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Bauckneht M, Lai R, Miceli A, Schenone D, Cossu V, Donegani MI, Raffa S, Borra A, Marra S, Campi C, Orengo A, Massone AM, Tagliafico A, Caponnetto C, Cabona C, Cistaro A, Chiò A, Morbelli S, Nobili F, Sambuceti G, Piana M, Marini C. Spinal cord hypermetabolism extends to skeletal muscle in amyotrophic lateral sclerosis: a computational approach to [18F]-fluorodeoxyglucose PET/CT images. EJNMMI Res 2020; 10:23. [PMID: 32201914 PMCID: PMC7085992 DOI: 10.1186/s13550-020-0607-5] [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: 12/18/2019] [Accepted: 02/10/2020] [Indexed: 12/11/2022] Open
Abstract
PURPOSE Amyotrophic lateral sclerosis (ALS) is a neurodegenerative disease leading to neuromuscular palsy and death. We propose a computational approach to [18F]-fluorodeoxyglucose (FDG) PET/CT images to analyze the structure and metabolic pattern of skeletal muscle in ALS and its relationship with disease aggressiveness. MATERIALS AND METHODS A computational 3D method was used to extract whole psoas muscle's volumes and average attenuation coefficient (AAC) from CT images obtained by FDG PET/CT performed in 62 ALS patients and healthy controls. Psoas average standardized uptake value (normalized on the liver, N-SUV) and its distribution heterogeneity (defined as N-SUV variation coefficient, VC-SUV) were also extracted. Spinal cord and brain motor cortex FDG uptake were also estimated. RESULTS As previously described, FDG uptake was significantly higher in the spinal cord and lower in the brain motor cortex, in ALS compared to controls. While psoas AAC was similar in patients and controls, in ALS a significant reduction in psoas volume (3.6 ± 1.02 vs 4.12 ± 1.33 mL/kg; p < 0.01) and increase in psoas N-SUV (0.45 ± 0.19 vs 0.29 ± 0.09; p < 0.001) were observed. Higher heterogeneity of psoas FDG uptake was also documented in ALS (VC-SUV 8 ± 4%, vs 5 ± 2%, respectively, p < 0.001) and significantly predicted overall survival at Kaplan-Meier analysis. VC-SUV prognostic power was confirmed by univariate analysis, while the multivariate Cox regression model identified the spinal cord metabolic activation as the only independent prognostic biomarker. CONCLUSION The present data suggest the existence of a common mechanism contributing to disease progression through the metabolic impairment of both second motor neuron and its effector.
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Affiliation(s)
- Matteo Bauckneht
- Nuclear Medicine Unit, IRCCS Ospedale Policlinico San Martino, Genoa, Italy.
| | - Rita Lai
- Department of Mathematics (DIMA), University of Genoa, Genoa, Italy
| | - Alberto Miceli
- Department of Health Sciences (DISSAL), University of Genoa, Genoa, Italy
| | - Daniela Schenone
- Department of Mathematics (DIMA), University of Genoa, Genoa, Italy
| | - Vanessa Cossu
- Department of Health Sciences (DISSAL), University of Genoa, Genoa, Italy
| | | | - Stefano Raffa
- Department of Health Sciences (DISSAL), University of Genoa, Genoa, Italy
| | - Anna Borra
- Department of Health Sciences (DISSAL), University of Genoa, Genoa, Italy
| | - Stefano Marra
- Department of Health Sciences (DISSAL), University of Genoa, Genoa, Italy
| | - Cristina Campi
- Department of Medicine-DIMED, Padova University Hospital, Padua, Italy
| | - Annamaria Orengo
- Nuclear Medicine Unit, IRCCS Ospedale Policlinico San Martino, Genoa, Italy
| | | | - Alberto Tagliafico
- Department of Health Sciences (DISSAL), University of Genoa, Genoa, Italy
| | - Claudia Caponnetto
- Neurology Clinic, IRCCS Ospedale Policlinico San Martino, Genoa, Italy.,Department of Neuroscience, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health, University of Genoa, Genoa, Italy
| | - Corrado Cabona
- Department of Neuroscience, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health, University of Genoa, Genoa, Italy
| | | | - Adriano Chiò
- ALS Center, Rita Levi Montalcini Department of Neuroscience, University of Turin, Turin, Italy.,AUO Città della Salute e della Scienza, Turin, Italy
| | - Silvia Morbelli
- Nuclear Medicine Unit, IRCCS Ospedale Policlinico San Martino, Genoa, Italy.,Department of Health Sciences (DISSAL), University of Genoa, Genoa, Italy
| | - Flavio Nobili
- Neurology Clinic, IRCCS Ospedale Policlinico San Martino, Genoa, Italy.,Department of Neuroscience, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health, University of Genoa, Genoa, Italy
| | - Gianmario Sambuceti
- Nuclear Medicine Unit, IRCCS Ospedale Policlinico San Martino, Genoa, Italy.,Department of Health Sciences (DISSAL), University of Genoa, Genoa, Italy
| | - Michele Piana
- Department of Mathematics (DIMA), University of Genoa, Genoa, Italy
| | - Cecilia Marini
- Nuclear Medicine Unit, IRCCS Ospedale Policlinico San Martino, Genoa, Italy.,CNR Institute of Molecular Bioimaging and Physiology (IBFM), Segrate (MI), Italy
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32
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Touahri Y, Dixit R, Kofoed RH, Mikloska K, Park E, Raeisossadati R, Markham-Coultes K, David LA, Rijal H, Zhao J, Lynch M, Hynynen K, Aubert I, Schuurmans C. Focused ultrasound as a novel strategy for noninvasive gene delivery to retinal Müller glia. Theranostics 2020; 10:2982-2999. [PMID: 32194850 PMCID: PMC7053200 DOI: 10.7150/thno.42611] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2019] [Accepted: 01/08/2020] [Indexed: 12/14/2022] Open
Abstract
Müller glia are specialized retinal cells with stem cell properties in fish and frogs but not in mammals. Current efforts to develop gene therapies to activate mammalian Müller glia for retinal repair will require safe and effective delivery strategies for recombinant adeno-associated viruses (AAVs), vectors of choice for clinical translation. Intravitreal and subretinal injections are currently used for AAV gene delivery in the eye, but less invasive methods efficiently targeting Müller glia have yet to be developed. Methods: As gene delivery strategies have been more extensively studied in the brain, to validate our vectors, we initially compared the glial tropism of AAV-PHP.eB, an AAV9 that crosses the blood-brain and blood-retinal barriers, for its ability to drive fluorescent protein expression in glial cells in both the brain and retina. We then tested the glial transduction of AAV2/8-GFAP-mCherry, a virus that does not cross blood-brain and blood-retinal barriers, for its effectiveness in transducing Müller glia in murine retinal explants ex vivo. For in vivo assays we used larger rat eyes, performing invasive intravitreal injections, and non-invasive intravenous delivery using focused ultrasound (FUS) (pressure amplitude: 0.360 - 0.84 MPa) and microbubbles (Definity, 0.2 ml/kg). Results: We showed that AAV-PHP.eB carrying a ubiquitous promoter (CAG) and green fluorescent protein (GFP) reporter, readily crossed the blood-brain and blood-retinal barriers after intravenous delivery in mice. However, murine Müller glia did not express GFP, suggesting that they were not transduced by AAV-PHP.eB. We thus tested an AAV2/8 variant, which was selected based on its safety record in multiple clinical trials, adding a glial fibrillary acidic protein (GFAP) promoter and mCherry (red fluorescent protein) reporter. We confirmed the glial specificity of AAV2/8-GFAP-mCherry, showing effective expression of mCherry in astrocytes after intracranial injection in the mouse brain, and of Müller glia in murine retinal explants. For in vivo experiments we switched to rats because of their larger size, injecting AAV2/8-GFAP-mCherry intravitreally, an invasive procedure, demonstrating passage across the inner limiting membrane, leading to Müller glia transduction. We then tested an alternative non-invasive delivery approach targeting a different barrier - the inner blood-retinal-barrier, applying focused ultrasound (FUS) to the retina after intravenous injection of AAV2/8 and microbubbles in rats, using magnetic resonance imaging (MRI) for FUS targeting. FUS permeabilized the rat blood-retinal-barrier and allowed the passage of macromolecules to the retina (Evans blue, IgG, IgM), with minimal extravasation of platelets and red blood cells. Intravenous injection of microbubbles and AAV2/8-GFAP-mCherry followed by FUS resulted in mCherry expression in rat Müller glia. However, systemic delivery of AAV2/8 also had off-target effects, transducing several murine peripheral organs, particularly the liver. Conclusions: Retinal permeabilisation via FUS in the presence of microbubbles is effective for delivering AAV2/8 across the inner blood-retinal-barrier, targeting Müller glia, which is less invasive than intravitreal injections that bypass the inner limiting membrane. However, implementing FUS in the clinic will require a comprehensive consideration of any off-target tropism of the AAV in peripheral organs, combined ideally, with the development of Müller glia-specific promoters.
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Affiliation(s)
- Yacine Touahri
- Biological Sciences Platform, Sunnybrook Research Institute, Toronto, Ontario, Canada
| | - Rajiv Dixit
- Biological Sciences Platform, Sunnybrook Research Institute, Toronto, Ontario, Canada
| | - Rikke Hahn Kofoed
- Biological Sciences Platform, Sunnybrook Research Institute, Toronto, Ontario, Canada
| | - Kristina Mikloska
- Physical Sciences Platform, Sunnybrook Research Institute, Toronto, Ontario, Canada
| | - EunJee Park
- Biological Sciences Platform, Sunnybrook Research Institute, Toronto, Ontario, Canada
- Department of Biochemistry, University of Toronto, Toronto, Ontario, Canada
| | - Reza Raeisossadati
- Biological Sciences Platform, Sunnybrook Research Institute, Toronto, Ontario, Canada
| | - Kelly Markham-Coultes
- Biological Sciences Platform, Sunnybrook Research Institute, Toronto, Ontario, Canada
| | - Luke Ajay David
- Biological Sciences Platform, Sunnybrook Research Institute, Toronto, Ontario, Canada
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Ontario, Canada
| | - Hibo Rijal
- Biological Sciences Platform, Sunnybrook Research Institute, Toronto, Ontario, Canada
| | - Jiayi Zhao
- Biological Sciences Platform, Sunnybrook Research Institute, Toronto, Ontario, Canada
| | - Madelaine Lynch
- Biological Sciences Platform, Sunnybrook Research Institute, Toronto, Ontario, Canada
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Ontario, Canada
| | - Kullervo Hynynen
- Physical Sciences Platform, Sunnybrook Research Institute, Toronto, Ontario, Canada
- Department of Medical Biophysics, University of Toronto, Toronto, Ontario, Canada
| | - Isabelle Aubert
- Biological Sciences Platform, Sunnybrook Research Institute, Toronto, Ontario, Canada
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Ontario, Canada
| | - Carol Schuurmans
- Biological Sciences Platform, Sunnybrook Research Institute, Toronto, Ontario, Canada
- Department of Biochemistry, University of Toronto, Toronto, Ontario, Canada
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Ontario, Canada
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Trias E, Kovacs M, King PH, Si Y, Kwon Y, Varela V, Ibarburu S, Moura IC, Hermine O, Beckman JS, Barbeito L. Schwann cells orchestrate peripheral nerve inflammation through the expression of CSF1, IL-34, and SCF in amyotrophic lateral sclerosis. Glia 2019; 68:1165-1181. [PMID: 31859421 DOI: 10.1002/glia.23768] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2019] [Revised: 12/03/2019] [Accepted: 12/10/2019] [Indexed: 12/12/2022]
Abstract
Distal axonopathy is a recognized pathological feature of amyotrophic lateral sclerosis (ALS). In the peripheral nerves of ALS patients, motor axon loss elicits a Wallerian-like degeneration characterized by denervated Schwann cells (SCs) together with immune cell infiltration. However, the pathogenic significance of denervated SCs accumulating following impaired axonal growth in ALS remains unclear. Here, we analyze SC phenotypes in sciatic nerves of ALS patients and paralytic SOD1G93A rats, and identify remarkably similar and specific reactive SC phenotypes based on the pattern of S100β, GFAP, isolectin and/or p75NTR immunoreactivity. Different subsets of reactive SCs expressed colony-stimulating factor-1 (CSF1) and Interleukin-34 (IL-34) and closely interacted with numerous endoneurial CSF-1R-expressing monocyte/macrophages, suggesting a paracrine mechanism of myeloid cell expansion and activation. SCs bearing phagocytic phenotypes as well as endoneurial macrophages expressed stem cell factor (SCF), a trophic factor that attracts and activates mast cells through the c-Kit receptor. Notably, a subpopulation of Ki67+ SCs expressed c-Kit in the sciatic nerves of SOD1G93A rats, suggesting a signaling pathway that fuels SC proliferation in ALS. c-Kit+ mast cells were also abundant in the sciatic nerve from ALS donors but not in controls. Pharmacological inhibition of CSF-1R and c-Kit with masitinib in SOD1G93A rats potently reduced SC reactivity and immune cell infiltration in the sciatic nerve and ventral roots, suggesting a mechanism by which the drug ameliorates peripheral nerve pathology. These findings provide strong evidence for a previously unknown inflammatory mechanism triggered by SCs in ALS peripheral nerves that has broad application in developing novel therapies.
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Affiliation(s)
| | | | - Peter H King
- Department of Neurology, University of Alabama, Birmingham, Alabama.,Birmingham Veterans Affairs Medical Center, Birmingham, Alabama
| | - Ying Si
- Department of Neurology, University of Alabama, Birmingham, Alabama.,Birmingham Veterans Affairs Medical Center, Birmingham, Alabama
| | - Yuri Kwon
- Department of Neurology, University of Alabama, Birmingham, Alabama
| | | | | | - Ivan C Moura
- Imagine Institute, Hôpital Necker, Paris, France.,INSERM UMR 1163, Laboratory of Cellular and Molecular Mechanisms of Hematological Disorders and Therapeutic Implications, Paris, France.,Paris Descartes-Sorbonne Paris Cité University, Imagine Institute, Paris, France.,CNRS ERL 8254, Paris, France.,Laboratory of Excellence GR-Ex, Paris, France.,Equipe Labélisée par la Ligue Nationale contre le cancer, Paris, France
| | - Olivier Hermine
- Imagine Institute, Hôpital Necker, Paris, France.,INSERM UMR 1163, Laboratory of Cellular and Molecular Mechanisms of Hematological Disorders and Therapeutic Implications, Paris, France.,Paris Descartes-Sorbonne Paris Cité University, Imagine Institute, Paris, France.,CNRS ERL 8254, Paris, France.,Laboratory of Excellence GR-Ex, Paris, France.,Equipe Labélisée par la Ligue Nationale contre le cancer, Paris, France.,AB Science, Paris, France.,Department of Hematology, Necker Hospital, Paris, France.,Centre national de référence des mastocytoses (CEREMAST), Paris, France
| | - Joseph S Beckman
- Linus Pauling Institute, Department of Biochemistry and Biophysics, Environmental Health Sciences Center, Oregon State University, Corvallis, Oregon
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34
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Rajabinejad M, Ranjbar S, Afshar Hezarkhani L, Salari F, Gorgin Karaji A, Rezaiemanesh A. Regulatory T cells for amyotrophic lateral sclerosis/motor neuron disease: A clinical and preclinical systematic review. J Cell Physiol 2019; 235:5030-5040. [PMID: 31788795 DOI: 10.1002/jcp.29401] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2019] [Accepted: 09/03/2019] [Indexed: 12/31/2022]
Abstract
Amyotrophic lateral sclerosis (ALS) is a neurodegenerative disorder characterized by neuronal degeneration and inflammation in the nerves. The role of the immune system has been concentrated by researchers in the etiopathogenesis of the disease. Given the inhibitory roles of regulatory T cells (Tregs), it is expected that increasing or activating their populations in patients with ALS can have significant therapeutic effects. Here we searched databases, including CENTRAL, MEDLINE, CINAHL Plus, clinicaltrials.gov, and ICTRP for randomized clinical trials (RCTs) and non-RCTs until March 2019. For preclinical studies, we searched PubMed, Scopus, and Google Scholar up to June 2019. We also included preclinical studies, due to the lack of clinical information available, which used Tregs (or directly targeting them) for treating mice models of ALS. We identified 29 records (CENTRAL 7, MEDLINE 4, CINAHL Plus 8, and clinicaltrials.gov 10) and removed 10 duplicated publications. After screening, we identified one RCT which had been published as an abstract, three non-RCTs, and four ongoing studies. We also identified 551 records (PubMed 446, Google Scholar 68, and Scopus 37) for preclinical studies and performed a meta-analysis. Finally, we found three papers that matched our inclusion criteria for preclinical studies. Results indicated the effectiveness of the application of Tregs in the treatment of ALS. Our meta-analysis on preclinical studies revealed that Tregs significantly prolonged survival in mice models of ALS. Overall, our analysis testified that exertion of Tregs in the treatment of ALS is a promising approach, that notwithstanding, requires further evaluations.
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Affiliation(s)
- Misagh Rajabinejad
- Student Research Committee, School of Medicine, Kermanshah University of Medical Sciences, Kermanshah, Iran.,Department of Immunology, School of Medicine, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Sedigheh Ranjbar
- Student Research Committee, School of Medicine, Kermanshah University of Medical Sciences, Kermanshah, Iran.,Department of Immunology, School of Medicine, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Leila Afshar Hezarkhani
- Department of Neurology, School of Medicine, Farabi Hospital, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Farhad Salari
- Department of Immunology, School of Medicine, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Ali Gorgin Karaji
- Department of Immunology, School of Medicine, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Alireza Rezaiemanesh
- Department of Immunology, School of Medicine, Kermanshah University of Medical Sciences, Kermanshah, Iran
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Li L, Liu J, She H. Targeting Macrophage for the Treatment of Amyotrophic Lateral Sclerosis. CNS & NEUROLOGICAL DISORDERS-DRUG TARGETS 2019; 18:366-371. [PMID: 30963986 DOI: 10.2174/1871527318666190409103831] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/14/2018] [Revised: 03/22/2019] [Accepted: 03/25/2019] [Indexed: 12/13/2022]
Abstract
Background & Objective:
Amyotrophic lateral sclerosis is a progressive neurodegenerative
disease that specifically affects motor neurons in the brain and in the spinal cord. Patients with amyotrophic
lateral sclerosis usually die from respiratory failure within 3 to 5 years from when the symptoms
first appear. Currently, there is no cure for amyotrophic lateral sclerosis. Accumulating evidence
suggests that dismantling of neuromuscular junction is an early event in the pathogenesis of amyotrophic
lateral sclerosis.
Conclusion:
It is starting to realized that macrophage malfunction contributes to the disruption of neuromuscular
junction. Modulation of macrophage activation states may stabilize neuromuscular junction
and provide protection against motor neuron degeneration in amyotrophic lateral sclerosis.
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Affiliation(s)
- Lian Li
- Translational Center for Stem Cell Research, Tongji Hospital, Stem Cell Research Center, Tongji University School of Medicine, Shanghai, China
| | - Jie Liu
- Translational Center for Stem Cell Research, Tongji Hospital, Stem Cell Research Center, Tongji University School of Medicine, Shanghai, China
| | - Hua She
- Translational Center for Stem Cell Research, Tongji Hospital, Stem Cell Research Center, Tongji University School of Medicine, Shanghai, China
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36
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Yang DF, Shen YL, Wu C, Huang YS, Lee PY, Er NX, Huang WC, Tung YT. Sleep deprivation reduces the recovery of muscle injury induced by high-intensity exercise in a mouse model. Life Sci 2019; 235:116835. [PMID: 31493480 DOI: 10.1016/j.lfs.2019.116835] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2019] [Revised: 08/29/2019] [Accepted: 09/03/2019] [Indexed: 12/17/2022]
Abstract
Sleep is crucial to improve athlete performance and their circadian rhythm, but sleep patterns may be disturbed because athletes participate in several competitions. In addition, intensive training programs can cause muscle pain and psychological stress in athletes, resulting in a lack of sleep. Sleep also plays a critical role in the recovery of muscle injury induced by exercise. The current study evaluated the effect of sleep deprivation on the recovery of muscle injury induced by high-intensity exercise in a mouse model. In this study, 28 mice were randomly assigned to four groups (N = 7): control (Control), exercise (EX), sleep deprivation (SD), and sleep deprivation with exercise (EX+SD). The mice from the EX and EX+SD groups were subjected to high-intensity swimming. The results showed that 72-h sleep deprivation increased food intake and reduced body weight. However, the manipulation of 8-week exercise and/or 72-h sleep deprivation did not have any effect in the elevated plus maze task and tail suspension test. Interestingly, the EX+SD group exhibited improved memory performance in the Morris water maze and impaired motor activity in the open field test. According to the TNF-α level and aspartate aminotransferase (AST), and creatine phosphokinase (CK) activities, only the EX+SD group exhibited muscle impairment. Overall, high-intensity exercise may cause muscle injury, and adequate sleep can recover muscle damage. However, sleep deprivation reduces protein synthesis, which decreases the ability to restore muscle damage and aggravates the harmful effect of high-intensity exercise.
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Affiliation(s)
- Deng-Fa Yang
- Graduate Institute of Metabolism and Obesity Sciences, Taipei Medical University, Taipei City 11031, Taiwan.
| | - Ying-Ling Shen
- Graduate Institute of Mind Brain and Consciousness, Taipei Medical University, Taipei City 11031, Taiwan.
| | - Changwei Wu
- Graduate Institute of Mind Brain and Consciousness, Taipei Medical University, Taipei City 11031, Taiwan.
| | - Yu-Sheng Huang
- Graduate Institute of Metabolism and Obesity Sciences, Taipei Medical University, Taipei City 11031, Taiwan.
| | - Po-Ying Lee
- Division of Plastic Surgery, Department of Surgery, Cathay General Hospital, Taipei 280, Taiwan
| | - Ng Xin Er
- Graduate Institute of Metabolism and Obesity Sciences, Taipei Medical University, Taipei City 11031, Taiwan
| | - Wen-Ching Huang
- Department of Exercise and Health Science, National Taipei University of Nursing and Health Sciences, Taipei 11219, Taiwan.
| | - Yu-Tang Tung
- Graduate Institute of Metabolism and Obesity Sciences, Taipei Medical University, Taipei City 11031, Taiwan; Nutrition Research Center, Taipei Medical University Hospital, Taipei City 11031, Taiwan; Cell Physiology and Molecular Image Research Center, Wan Fang Hospital, Taipei Medical University.
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37
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The effect of resistance exercise upon age-related systemic and local skeletal muscle inflammation. Exp Gerontol 2019; 121:19-32. [PMID: 30905721 DOI: 10.1016/j.exger.2019.03.007] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2018] [Revised: 02/16/2019] [Accepted: 03/18/2019] [Indexed: 12/16/2022]
Abstract
AIM Chronic inflammation increases with age and is correlated positively to visceral fat mass, but inversely to muscle mass. We investigated the hypothesis that resistance training would increase muscle mass and strength together with a concomitant drop in local and systemic inflammation level independent of any changes in visceral fat tissue in elderly. METHODS 25 subjects (mean 67, range 62-70 years) were randomized to 1 year of heavy resistance training (HRT) or control (CON), and tested at 0, 4 and 12 months for physical performance, body composition (DXA), vastus lateralis muscle area (MRI) local and systemic inflammation (blood and muscle). In addition, systemic and local muscle immunological responses to acute exercise was determined before and after the training period. RESULTS Increases in muscle mass (≈2%, p < 0.05), vastus lateralis area (≈9%. P < 0.05), isometric (≈15%) and dynamic (≈15%) muscle strength (p < 0.05) were found in the HRT group after 12 months training. HRT did not alter overall or visceral fat mass (p > 0.05). Blood C-Reactive Protein declined over time in both groups (p < 0.05), whereas muscle inflammation markers were unchanged to 1 year of HRT. Acute exercise increased plasma IL-6 and FGF-19 (p < 0.05), decreased FGF-21 (p < 0.05) and CCL-20 (p < 0.05), and increased GDNF in muscle (p < 0.001) similarly before and after 1 year in both groups. CONCLUSION Long term resistance training increased muscle strength and improved muscle mass, but did not alter visceral fat mass and did not show any specific effect upon resting or exercise induced markers of inflammation.
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Song T, Manoharan P, Millay DP, Koch SE, Rubinstein J, Heiny JA, Sadayappan S. Dilated cardiomyopathy-mediated heart failure induces a unique skeletal muscle myopathy with inflammation. Skelet Muscle 2019; 9:4. [PMID: 30678732 PMCID: PMC6345027 DOI: 10.1186/s13395-019-0189-y] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2018] [Accepted: 01/10/2019] [Indexed: 02/02/2023] Open
Abstract
Background Skeletal muscle myopathy and exercise intolerance are diagnostic hallmarks of heart failure (HF). However, the molecular adaptations of skeletal muscles during dilated cardiomyopathy (DCM)-mediated HF are not completely understood. Methods Skeletal muscle structure and function were compared in wild-type (WT) and cardiac myosin binding protein-C null mice (t/t), which develop DCM-induced HF. Cardiac function was examined by echocardiography. Exercise tolerance was measured using a graded maximum treadmill running test. Hindlimb muscle function was assessed in vivo from measurements of plantar flexor strength. Inflammatory status was evaluated from the expression of inflammatory markers and the presence of specific immune cell types in gastrocnemius muscles. Muscle regenerative capacityat days 3, 7, and 14 after eccentric contraction-induced injury was determined from the number of phenotypically new and adult fibers in the gastrocnemius, and functional recovery of plantar flexion torque. Results t/t mice developed DCM-induced HF in association with profound exercise intolerance, consistent with previous reports. Compared to WT, t/t mouse hearts show significant hypertrophy of the atria and ventricles and reduced fractional shortening, both systolic and diastolic. In parallel, the skeletal muscles of t/t mice exhibit weakness and myopathy. Compared to WT, plantar flexor muscles of t/t null mice produce less peak isometric plantar torque (Po), develop torque more slowly (+ dF/dt), and relax more slowly (− dF/dt, longer half-relaxation times,1/2RT). Gastrocnemius muscles of t/t mice have a greater number of fibers with smaller diameters and central nuclei. Oxidative fibers, both type I and type IIa, show significantly smaller cross-sectional areas and more central nuclei. These fiber phenotypes suggest ongoing repair and regeneration under homeostatic conditions. In addition, the ability of muscles to recover and regenerate after acute injury is impaired in t/t mice. Conclusions Our studies concluded that DCM-induced HF induces a unique skeletal myopathy characterized by decreased muscle strength, atrophy of oxidative fiber types, ongoing inflammation and damage under homeostasis, and impaired regeneration after acute muscle injury. Furthermore, this unique myopathy in DCM-induced HF likely contributes to and exacerbates exercise intolerance. Therefore, efforts to develop therapeutic interventions to treat skeletal myopathy during DCM-induced HF should be considered. Electronic supplementary material The online version of this article (10.1186/s13395-019-0189-y) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Taejeong Song
- Heart Lung Vascular Institute, Division of Cardiology, University of Cincinnati, Cincinnati, OH, 45267, USA
| | - Palanikumar Manoharan
- Department of Molecular Genetics, Biochemistry, and Microbiology, University of Cincinnati, Cincinnati, OH, 45267, USA
| | - Douglas P Millay
- Division of Molecular Cardiovascular Biology, Cincinnati Children's Hospital Medical Center, 240 Albert Sabin Way, Cincinnati, OH, 45229, USA.,Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH, 45267, USA
| | - Sheryl E Koch
- Heart Lung Vascular Institute, Division of Cardiology, University of Cincinnati, Cincinnati, OH, 45267, USA
| | - Jack Rubinstein
- Heart Lung Vascular Institute, Division of Cardiology, University of Cincinnati, Cincinnati, OH, 45267, USA
| | - Judith A Heiny
- Department of Pharmacology and Systems Physiology, University of Cincinnati, Cincinnati, OH, 45267, USA
| | - Sakthivel Sadayappan
- Heart Lung Vascular Institute, Division of Cardiology, University of Cincinnati, Cincinnati, OH, 45267, USA. .,Department of Internal Medicine, Heart, Lung and Vascular Institute, Division of Cardiovascular Health and Sciences, College of Medicine, University of Cincinnati, 231 Albert Sabin Way, Cincinnati, OH, 45267-0575, USA.
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39
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Jeffrey J, D'Cunha H, Suzuki M. Blood Level of Glial Fibrillary Acidic Protein (GFAP) Does not Correlate With Disease Progression in a Rat Model of Familial ALS (SOD1 G93A Transgenic). Front Neurol 2018; 9:954. [PMID: 30487774 PMCID: PMC6246740 DOI: 10.3389/fneur.2018.00954] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2018] [Accepted: 10/24/2018] [Indexed: 12/14/2022] Open
Abstract
Amyotrophic lateral sclerosis (ALS) is a neurodegenerative disease characterized by specific loss of motor neurons in the spinal cord and brain stem. Currently, there are limited options for treating ALS and further investigation of the disease etiology and ALS disease progression need to be completed. There is an urgent need to identify biomarkers to detect and study disease progression in ALS. Glial fibrillary acidic protein (GFAP) is an intermediate filament protein that is expressed by a number of cells related to the central nervous system including glial cells and ependymal cells. Recent studies indicated that significant levels of GFAP protein were detected in peripheral tissues, such as skeletal muscle. In this study, we hypothesized that levels of GFAP in blood represent a biomarker of disease progression in ALS. To test this specific hypothesis, we used a rat model of familial ALS (SOD1G93A transgenic), which has been extensively used to understand the complexity of this devastating disease. Disease progression in a cohort of male and female SOD1G93A transgenic rats was monitored by motor function, and blood samples were collected when these animals reached disease end-stage. We measured GFAP protein levels by ELISA and found no correlation between GFAP concentration and disease progression in either serum and plasma samples of SOD1G93A transgenic. Further investigation would be required in order to implicate blood GFAP as a potential biomarker for ALS.
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Affiliation(s)
- Jeremy Jeffrey
- Department of Comparative Biosciences, University of Wisconsin-Madison, Madison, WI, United States
| | - Hannah D'Cunha
- Department of Comparative Biosciences, University of Wisconsin-Madison, Madison, WI, United States
| | - Masatoshi Suzuki
- Department of Comparative Biosciences, University of Wisconsin-Madison, Madison, WI, United States.,The Stem Cell and Regenerative Medicine Center, University of Wisconsin-Madison, Madison, WI, United States
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40
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Lyon MS, Wosiski-Kuhn M, Gillespie R, Caress J, Milligan C. Inflammation, Immunity, and amyotrophic lateral sclerosis: I. Etiology and pathology. Muscle Nerve 2018; 59:10-22. [DOI: 10.1002/mus.26289] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2018] [Revised: 06/22/2018] [Accepted: 06/26/2018] [Indexed: 12/12/2022]
Affiliation(s)
- Miles S. Lyon
- Department of Neurobiology and Anatomy; Wake Forest School of Medicine, Medical Center Boulevard; Winston-Salem North Carolina 27157 USA
| | - Marlena Wosiski-Kuhn
- Department of Neurobiology and Anatomy; Wake Forest School of Medicine, Medical Center Boulevard; Winston-Salem North Carolina 27157 USA
| | - Rachel Gillespie
- Department of Neurobiology and Anatomy; Wake Forest School of Medicine, Medical Center Boulevard; Winston-Salem North Carolina 27157 USA
| | - James Caress
- Department of Neurology, Wake Forest School of Medicine; Winston-Salem North Carolina USA
| | - Carol Milligan
- Department of Neurobiology and Anatomy; Wake Forest School of Medicine, Medical Center Boulevard; Winston-Salem North Carolina 27157 USA
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41
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Trias E, King PH, Si Y, Kwon Y, Varela V, Ibarburu S, Kovacs M, Moura IC, Beckman JS, Hermine O, Barbeito L. Mast cells and neutrophils mediate peripheral motor pathway degeneration in ALS. JCI Insight 2018; 3:123249. [PMID: 30282815 DOI: 10.1172/jci.insight.123249] [Citation(s) in RCA: 85] [Impact Index Per Article: 14.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2018] [Accepted: 08/29/2018] [Indexed: 12/13/2022] Open
Abstract
Neuroinflammation is a recognized pathogenic mechanism underlying motor neuron degeneration in amyotrophic lateral sclerosis (ALS), but the inflammatory mechanisms influencing peripheral motor axon degeneration remain largely unknown. A recent report showed a pathogenic role for c-Kit-expressing mast cells mediating inflammation and neuromuscular junction denervation in muscles from SOD1G93A rats. Here, we have explored whether mast cells infiltrate skeletal muscles in autopsied muscles from ALS patients. We report that degranulating mast cells were abundant in the quadriceps muscles from ALS subjects but not in controls. Mast cells were associated with myofibers and motor endplates and, remarkably, interacted with neutrophils forming large extracellular traps. Mast cells and neutrophils were also abundant around motor axons in the extensor digitorum longus muscle, sciatic nerve, and ventral roots of symptomatic SOD1G93A rats, indicating that immune cell infiltration extends along the entire peripheral motor pathway. Postparalysis treatment of SOD1G93A rats with the tyrosine kinase inhibitor drug masitinib prevented mast cell and neutrophil infiltration, axonal pathology, secondary demyelination, and the loss of type 2B myofibers, compared with vehicle-treated rats. These findings provide further evidence for a yet unrecognized contribution of immune cells in peripheral motor pathway degeneration that can be therapeutically targeted by tyrosine kinase inhibitors.
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Affiliation(s)
| | - Peter H King
- Department of Neurology, University of Alabama, Birmingham, Alabama, USA.,Birmingham Veterans Affairs Medical Center, Birmingham, Alabama, USA
| | - Ying Si
- Department of Neurology, University of Alabama, Birmingham, Alabama, USA.,Birmingham Veterans Affairs Medical Center, Birmingham, Alabama, USA
| | - Yuri Kwon
- Department of Neurology, University of Alabama, Birmingham, Alabama, USA
| | | | | | | | - Ivan C Moura
- Imagine Institute, Hôpital Necker, Paris, France.,INSERM UMR 1163, Laboratory of Cellular and Molecular Mechanisms of Hematological Disorders and Therapeutic Implications, Paris, France.,Paris Descartes-Sorbonne Paris Cité University, Imagine Institute, Paris, France.,CNRS ERL 8254, Paris, France.,Laboratory of Excellence GR-Ex, Paris, France.,Equipe Labélisée par la Ligue Nationale contre le cancer, Nantes, France
| | - Joseph S Beckman
- Linus Pauling Institute, Department of Biochemistry and Biophysics, Environmental Health Sciences Center, Oregon State University, Corvallis, Oregon, USA
| | - Olivier Hermine
- Imagine Institute, Hôpital Necker, Paris, France.,INSERM UMR 1163, Laboratory of Cellular and Molecular Mechanisms of Hematological Disorders and Therapeutic Implications, Paris, France.,Paris Descartes-Sorbonne Paris Cité University, Imagine Institute, Paris, France.,CNRS ERL 8254, Paris, France.,Laboratory of Excellence GR-Ex, Paris, France.,Equipe Labélisée par la Ligue Nationale contre le cancer, Nantes, France.,AB Science, Paris, France.,Department of Hematology, Necker Hospital, Paris, France.,Centre national de référence des mastocytoses (CEREMAST), Paris, France
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42
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Bojungikgi-tang Improves Muscle and Spinal Cord Function in an Amyotrophic Lateral Sclerosis Model. Mol Neurobiol 2018; 56:2394-2407. [PMID: 30030751 DOI: 10.1007/s12035-018-1236-0] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2018] [Accepted: 07/10/2018] [Indexed: 12/13/2022]
Abstract
Amyotrophic lateral sclerosis (ALS) is a motor neuron disease characterized by progressive motor function impairment, dysphagia, and respiratory failure. Owing to the complexity of its pathogenic mechanisms, an effective therapy for ALS is lacking. Herbal medicines with multiple targets have good efficacy and low adverse reactions for the treatment of neurodegenerative diseases. In this study, the effects of Bojungikgi-tang (BJIGT), an herbal medicine with eight component herbs, on muscle and spinal cord function were evaluated in an ALS animal model. Animals were randomly divided into three groups: a non-transgenic group (nTg, n = 24), a hSOD1G93A transgenic group (Tg, n = 24), and a hSOD1G93A transgenic group in which 8-week-old mice were orally administered BJIGT (1 mg/g) once daily for 6 weeks (Tg+BJIGT, n = 24). The effects of BJIGT were evaluated using a rotarod test, foot-printing, and survival analyses based on Kaplan-Meier survival curves. To determine the biological mechanism underlying the effects of BJIGT in hSOD1G93A mice, western blotting, transmission electron microscopy, and Bungarotoxin staining were used. BJIGT improved motor function and extended the survival duration of hSOD1G93A mice. In addition, BJIGT had protective effects, including anti-oxidative and anti-inflammatory effects, in both the spinal cord and muscle of hSOD1G93A mice. Our results demonstrated that BJIGT causes muscle atrophy and the denervation of neuromuscular junctions in the gastrocnemius of hSOD1G93A mice. The components of BJIGT may alleviate the symptoms of ALS via different mechanisms, and accordingly, BJIGT treatment may be an effective therapeutic approach.
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Anti-Inflammatory Effect of Gamisoyo-San in an Animal Model of Amyotrophic Lateral Sclerosis. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2018; 2018:8580152. [PMID: 30034501 PMCID: PMC6032819 DOI: 10.1155/2018/8580152] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/19/2018] [Revised: 05/11/2018] [Accepted: 05/24/2018] [Indexed: 12/11/2022]
Abstract
Inflammation is considered a critical factor in the pathogenesis of amyotrophic lateral sclerosis (ALS). We aimed to evaluate the effect of the herbal formula Gamisoyo-San (GSS) on the muscles of hSOD1G93A transgenic mice, a mouse model of ALS, by examining the tissue expression of inflammation- and oxidative stress-related proteins. The mice were randomly divided into three groups: nontransgenic mice (non-Tg, n = 4), hSOD1G93A transgenic mice (Tg, n = 4), and GSS-treated hSOD1G93A transgenic mice (Tg+GSS, n = 4). Eight-week-old female hSOD1G93A transgenic mice were fed GSS (1 mg/g body weight) for 6 weeks. Gastrocnemius (GA) tissues were analyzed for inflammatory proteins [CD11b and toll-like receptor 4 (TLR4)] and oxidative stress-related proteins [heme oxygenase 1 (HO1) and ferritin] by western blot analysis. Administration of GSS significantly reduced the level of inflammation- and oxidative stress-related proteins in hSOD1G93A transgenic mice. GSS ameliorated inflammation by downregulating TLR4 and CD11b expression and regulated iron homeostasis in the GA muscle of hSOD1G93A mice. GSS could help reduce inflammation by regulating immune reactions in patients with ALS. To the best of our knowledge, this is the first study to demonstrate the effect of GSS on muscle inflammation in an ALS animal model.
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Wang Y, Liu Y, Zhai J, Duan W, Sun S, Cui H, Chen X, Ji J, Liu Y. scAAV9-VEGF-165 inhibits neuroinflammatory responses and invasion of macrophages into the peripheral nervous system of ALS transgenic mice. Brain Res Bull 2018; 140:233-242. [PMID: 29751031 DOI: 10.1016/j.brainresbull.2018.05.006] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2018] [Revised: 05/05/2018] [Accepted: 05/06/2018] [Indexed: 02/07/2023]
Abstract
Amyotrophic lateral sclerosis (ALS) is a progressive neurodegenerative disorder that leads to paralysis and death within 3-5 years. Although the vast majority of studies have focused on vulnerable neurons, growing evidence has shown that non-neuronal cells contribute to the pathogenesis and disease progression. Here, we showed that intrathecal injection of scAAV9-VEGF at 60 days of age significantly reduced the number of microglia and inhibited the neuroinflammatory response in the CNS. Meanwhile, we found that administration of VEGF inhibited the invasion of macrophages into the PNS, including ventral nerve roots, sciatic nerves and muscles. Overall, our study indicated the anti-inflammation effect of VEGF in the CNS and PNS of ALS mice when delivered by intrathecal injection.
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Affiliation(s)
- Ying Wang
- Department of Neurology, The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei, 050000, People's Republic of China; Department of Neurology, The Central Hospital of Zibo, Zibo, Shandong, 255000, People's Republic of China
| | - Yuanyuan Liu
- Department of Neurology, The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei, 050000, People's Republic of China
| | - Jingxu Zhai
- Department of Neurology, The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei, 050000, People's Republic of China
| | - Weisong Duan
- Neurological Laboratory of Hebei Province, Shijiazhuang, Hebei, 050000, People's Republic of China
| | - Shuo Sun
- Department of Neurosurgery, The Central Hospital of Zibo, Zibo, Shandong, 255000, People's Republic of China
| | - Hongying Cui
- Department of Neurology, The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei, 050000, People's Republic of China
| | - Xuexiao Chen
- Department of Neurology, The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei, 050000, People's Republic of China
| | - Jianwen Ji
- Center of Neurology Disease, The Third Hospital of Chongqing Medical University, Chongqing, 404000, People's Republic of China
| | - Yaling Liu
- Department of Neurology, The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei, 050000, People's Republic of China; Institute of Cardiocerebrovascular Disease, West Heping Road 215, Shijiazhuang, Hebei, 050000, People's Republic of China; Neurological Laboratory of Hebei Province, Shijiazhuang, Hebei, 050000, People's Republic of China.
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45
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Lehmann S, Esch E, Hartmann P, Goswami A, Nikolin S, Weis J, Beyer C, Johann S. Expression profile of pattern recognition receptors in skeletal muscle of SOD1 (G93A) amyotrophic lateral sclerosis (ALS) mice and sporadic ALS patients. Neuropathol Appl Neurobiol 2018; 44:606-627. [PMID: 29575052 DOI: 10.1111/nan.12483] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2017] [Accepted: 02/20/2018] [Indexed: 12/14/2022]
Abstract
AIMS Amyotrophic lateral sclerosis (ALS) is characterized by degeneration of motoneurons and progressive muscle wasting. Inflammatory processes, mediated by non-neuronal cells, such as glial cells, are known to contribute to disease progression. Inflammasomes consist of pattern recognition receptors (PRRs), apoptosis-associated speck-like protein (ASC) and caspase 1 and are essential for interleukin (IL) processing and a rapid immune response after tissue damage. Recently, we described inflammasome activation in the spinal cord of ALS patients and in SOD1(G93A) ALS mice. Since pathological changes in the skeletal muscle are early events in ALS, we hypothesized that PRRs might be abnormally expressed in muscle fibre degeneration. METHODS Western blot analysis, real-time PCR and immunohistochemistry were performed with muscle tissue from presymptomatic and early-symptomatic male SOD1(G93A) mice and with muscle biopsies of control and sporadic ALS (sALS) patients. Analysed PRRs include nucleotide-binding oligomerization domain-like (NOD-like) receptor protein 1 (NLRP1), NLR protein 3 (NLRP3), NLR family CARD domain-containing 4 (NLRC4) and absent in melanoma 2. Additionally, expression levels of ASC, caspase 1, interleukin 1 beta (IL1β) and interleukin 18 (IL18) were evaluated. RESULTS Expression of PRRs and ASC was detected in murine and human tissue. The PRR NLRC4, caspase 1 and IL1β were significantly elevated in denervated muscle of SOD1(G93A) mice and sALS patients. Furthermore, levels of caspase 1 and IL1β were already increased in presymptomatic animals. CONCLUSION Our findings suggest that increased inflammasome activation may be involved in skeletal muscle pathology in ALS. Furthermore, elevated levels of NLRC4, caspase 1 and IL1β reflect early changes in the skeletal muscle and may contribute to the denervation process.
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Affiliation(s)
- S Lehmann
- Institute of Neuroanatomy, Medical Clinic RWTH Aachen University, Aachen, Germany.,Institute Molecular and Cellular Anatomy (MOCA), Medical Clinic RWTH Aachen University, Aachen, Germany
| | - E Esch
- Institute of Neuroanatomy, Medical Clinic RWTH Aachen University, Aachen, Germany
| | - P Hartmann
- Institute of Neuroanatomy, Medical Clinic RWTH Aachen University, Aachen, Germany
| | - A Goswami
- Institute of Neuropathology, Medical Clinic RWTH Aachen University, Aachen, Germany
| | - S Nikolin
- Institute of Neuropathology, Medical Clinic RWTH Aachen University, Aachen, Germany
| | - J Weis
- Institute of Neuropathology, Medical Clinic RWTH Aachen University, Aachen, Germany
| | - C Beyer
- Institute of Neuroanatomy, Medical Clinic RWTH Aachen University, Aachen, Germany.,JARA - Translational Brain Medicine, Aachen, Germany
| | - S Johann
- Institute of Neuroanatomy, Medical Clinic RWTH Aachen University, Aachen, Germany.,Institute of Anatomy II, Medical Faculty Heinrich-Heine-University, Düsseldorf, Germany
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Shanmukha S, Narayanappa G, Nalini A, Alladi PA, Raju TR. Sporadic amyotrophic lateral sclerosis (SALS) - skeletal muscle response to cerebrospinal fluid from SALS patients in a rat model. Dis Model Mech 2018; 11:11/4/dmm031997. [PMID: 29666144 PMCID: PMC5963857 DOI: 10.1242/dmm.031997] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2017] [Accepted: 03/05/2018] [Indexed: 01/17/2023] Open
Abstract
Skeletal muscle atrophy is the most prominent feature of amyotrophic lateral sclerosis (ALS), an adult-onset neurodegenerative disease of motor neurons. However, the contribution of skeletal muscle to disease progression remains elusive. Our previous studies have shown that intrathecal injection of cerebrospinal fluid from sporadic ALS patients (ALS-CSF) induces several degenerative changes in motor neurons and glia of neonatal rats. Here, we describe various pathologic events in the rat extensor digitorum longus muscle following intrathecal injection of ALS-CSF. Adenosine triphosphatase staining and electron microscopic (EM) analysis revealed significant atrophy and grouping of type 2 fibres in ALS-CSF-injected rats. Profound neuromuscular junction (NMJ) damage, such as fragmentation accompanied by denervation, were revealed by α-bungarotoxin immunostaining. Altered expression of key NMJ proteins, rapsyn and calpain, was also observed by immunoblotting. In addition, EM analysis showed sarcolemmal folding, Z-line streaming, structural alterations of mitochondria and dilated sarcoplasmic reticulum. The expression of trophic factors was affected, with significant downregulation of vascular endothelial growth factor (VEGF), marginal reduction in insulin-like growth factor-1 (IGF-1), and upregulation of brain-derived neurotrophic factor (BDNF) and glial-derived neurotrophic factor (GDNF). However, motor neurons might be unable to harness the enhanced levels of BDNF and GDNF, owing to impaired NMJs. We propose that ALS-CSF triggers motor neuronal degeneration, resulting in pathological changes in the skeletal muscle. Muscle damage further aggravates the motor neuronal pathology, because of the interdependency between them. This sets in a vicious cycle, leading to rapid and progressive loss of motor neurons, which could explain the relentless course of ALS.This article has an associated First Person interview with the first author of the paper.
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Affiliation(s)
- Shruthi Shanmukha
- Department of Neurophysiology, National Institute of Mental Health and Neurosciences, Hosur Road, Bangalore 560 029, India
| | - Gayathri Narayanappa
- Department of Neuropathology, National Institute of Mental Health and Neurosciences, Hosur Road, Bangalore 560 029, India
| | - Atchayaram Nalini
- Department of Neurology, National Institute of Mental Health and Neurosciences, Hosur Road, Bangalore 560 029, India
| | - Phalguni Anand Alladi
- Department of Neurophysiology, National Institute of Mental Health and Neurosciences, Hosur Road, Bangalore 560 029, India
| | - Trichur R Raju
- Department of Neurophysiology, National Institute of Mental Health and Neurosciences, Hosur Road, Bangalore 560 029, India
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Rando A, Pastor D, Viso-León MC, Martínez A, Manzano R, Navarro X, Osta R, Martínez S. Intramuscular transplantation of bone marrow cells prolongs the lifespan of SOD1 G93A mice and modulates expression of prognosis biomarkers of the disease. Stem Cell Res Ther 2018; 9:90. [PMID: 29625589 PMCID: PMC5889612 DOI: 10.1186/s13287-018-0843-z] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2018] [Revised: 02/28/2018] [Accepted: 03/15/2018] [Indexed: 12/23/2022] Open
Abstract
BACKGROUND Amyotrophic lateral sclerosis (ALS) is a neurodegenerative disorder characterized by progressive muscle weakness, paralysis and death. There is no effective treatment for ALS and stem cell therapy has arisen as a potential therapeutic approach. METHODS SOD1 mutant mice were used to study the potential neurotrophic effect of bone marrow cells grafted into quadriceps femoris muscle. RESULTS Bone marrow intramuscular transplants resulted in increased longevity with improved motor function and decreased motoneuron degeneration in the spinal cord. Moreover, the increment of the glial-derived neurotrophic factor and neurotrophin 4 observed in the grafted muscles suggests that this partial neuroprotective effect is mediated by neurotrophic factor release at the neuromuscular junction level. Finally, certain neurodegeneration and muscle disease-specific markers, which are altered in the SOD1G93A mutant mouse and may serve as molecular biomarkers for the early detection of ALS in patients, have been studied with encouraging results. CONCLUSIONS This work demonstrates that stem cell transplantation in the muscle prolonged the lifespan, increased motoneuron survival and slowed disease progression, which was also assessed by genetic expression analysis.
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Affiliation(s)
- Amaya Rando
- LAGENBIO-I3A, Facultad de Veterinaria, IIS Aragón, Universidad de Zaragoza, Zaragoza, Spain
| | - Diego Pastor
- Centro de Investigación Deporte, Universidad Miguel Hernández de Elche, Alicante, Spain
- Instituto de Neurociencias de Alicante, UMH-CSIC, Universidad Miguel Hernández de Elche, Alicante, Spain
| | - Mari Carmen Viso-León
- Instituto de Neurociencias de Alicante, UMH-CSIC, Universidad Miguel Hernández de Elche, Alicante, Spain
| | - Anna Martínez
- Grupo de Neuroplasticidad y Regeneración, Instituto de Neurociencias y Departamento de Biología Celular, Fisiología e Inmunología, Universidad Autónoma de Barcelona, Barcelona, Spain
| | - Raquel Manzano
- LAGENBIO-I3A, Facultad de Veterinaria, IIS Aragón, Universidad de Zaragoza, Zaragoza, Spain
- Department of Physiology, Anatomy and Genetics, University of Oxford, Oxford, UK
| | - Xavier Navarro
- Grupo de Neuroplasticidad y Regeneración, Instituto de Neurociencias y Departamento de Biología Celular, Fisiología e Inmunología, Universidad Autónoma de Barcelona, Barcelona, Spain
| | - Rosario Osta
- LAGENBIO-I3A, Facultad de Veterinaria, IIS Aragón, Universidad de Zaragoza, Zaragoza, Spain
| | - Salvador Martínez
- Instituto de Neurociencias de Alicante, UMH-CSIC, Universidad Miguel Hernández de Elche, Alicante, Spain
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Wang X, Min S, Xie F, Yang J, Li L, Chen J. Glial cell-derived neurotrophic factor alleviates sepsis-induced neuromuscular dysfunction by decreasing the expression of γ- and α7-nicotinic acetylcholine receptors in an experimental rat model of neuromyopathy. Biochem Biophys Res Commun 2018; 496:260-266. [PMID: 29307828 DOI: 10.1016/j.bbrc.2018.01.020] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2017] [Accepted: 01/03/2018] [Indexed: 01/15/2023]
Abstract
Sepsis-induced neuromuscular dysfunction results from up-regulation of the expression of γ- and α7-nicotinic acetylcholine receptors (nAChR). Although glial cell derived neurotrophic factor (GDNF) has been implicated in repairing and supporting neurons, little is known about the effects of GDNF on demyelination of nerves in sepsis. In this study, we tested the hypothesis that GDNF could alleviate sepsis-induced neuromuscular dysfunction by decreasing the expression of γ- and α7-nAChR in an experimental rat model of neuromyopathy. Rats were randomly divided into a sham group and a sepsis group. Levels of inflammatory factors, muscle function, and nicotinic acetylcholine receptors were tested in rats after cecal ligation and puncture (CLP). At 24 h after CLP, GDNF was injected around the sciatic nerve of sepsis rats, cytokines were detected by enzyme-linked immunosorbent assay (ELISA), and immunofluorescence staining was used to detect the expression of nAChRs. GDNF and its downstream effector (Erk1/2 and GFR-α), neuregulin-1 (NRG-1) and γ- and α7-nAChR were measured using Western blot analysis. The expression of GDNF reached a minimum at 24 h after CLP. Compared with the sham group, the release of cytokines and the expression of γ- and α7-nAChR were significantly increased in the sepsis group. The administration of GDNF significantly alleviated sepsis-induced neuromuscular dysfunction, as well as reducing the expression of γ- and α7-nAChR. In addition, the expression of Erk1/2, GFR-α, NRG-1 were significantly increased after GDNF treatment. GDNF administration may improve patient outcomes by reducing the demyelination of nerves and the expression of γ- and α7-nAChR.
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Affiliation(s)
- Xin Wang
- Department of Anesthesiology, First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Su Min
- Department of Anesthesiology, First Affiliated Hospital of Chongqing Medical University, Chongqing, China.
| | - Fei Xie
- Department of Anesthesiology, First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Jun Yang
- Department of Anesthesiology, First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Liang Li
- Department of Anesthesiology, First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Jingyuan Chen
- Department of Anesthesiology, First Affiliated Hospital of Chongqing Medical University, Chongqing, China
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49
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Trias E, Ibarburu S, Barreto-Núñez R, Varela V, Moura IC, Dubreuil P, Hermine O, Beckman JS, Barbeito L. Evidence for mast cells contributing to neuromuscular pathology in an inherited model of ALS. JCI Insight 2017; 2:95934. [PMID: 29046475 PMCID: PMC5846907 DOI: 10.1172/jci.insight.95934] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2017] [Accepted: 09/11/2017] [Indexed: 12/18/2022] Open
Abstract
Evidence indicates that neuroinflammation contributes to motor neuron degeneration in amyotrophic lateral sclerosis (ALS), a fatal neurodegenerative disease leading to progressive muscular paralysis. However, it remains elusive whether inflammatory cells can interact with degenerating distal motor axons, influencing the progressive denervation of neuromuscular junctions (NMJs). By analyzing the muscle extensor digitorum longus (EDL) following paralysis onset in the SOD1G93A rat model, we have observed a massive infiltration and degranulation of mast cells, starting after paralysis onset and correlating with progressive NMJ denervation. Remarkably, mast cells accumulated around degenerating motor axons and NMJs, and were also associated with macrophages. Mast cell accumulation and degranulation in paralytic EDL muscle was prevented by systemic treatment over 15 days with masitinib, a tyrosine kinase inhibitor currently in clinical trials for ALS exhibiting pharmacological activity affecting mast cells and microglia. Masitinib-induced mast cell reduction resulted in a 35% decrease in NMJ denervation and reduced motor deficits as compared with vehicle-treated rats. Masitinib also normalized macrophage infiltration, as well as regressive changes in Schwann cells and capillary networks observed in advanced paralysis. These findings provide evidence for mast cell contribution to distal axonopathy and paralysis progression in ALS, a mechanism that can be therapeutically targeted by masitinib.
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Affiliation(s)
| | | | | | | | - Ivan C. Moura
- Imagine Institute, Hôpital Necker, Paris, France
- INSERM UMR 1163, Laboratory of Cellular and Molecular Mechanisms of Hematological Disorders and Therapeutic Implications, Paris, France
- Paris Descartes–Sorbonne Paris Cité University, Imagine Institute, Paris, France
- CNRS ERL 8254, Paris, France
- Laboratory of Excellence GR-Ex, Paris, France
- Equipe Labélisée par la Ligue Nationale contre le cancer, Parisa, France
| | - Patrice Dubreuil
- Equipe Labélisée par la Ligue Nationale contre le cancer, Parisa, France
- AB Science, Paris, France
- Signaling, Hematopoiesis and Mechanism of Oncogenesis, Cancer Research Center of Marseille (CRCM), Inserm U1068, Institut Paoli-Calmettes, Aix-Marseille University UM105, CNRS UMR7258, Marseille, France
| | - Olivier Hermine
- Imagine Institute, Hôpital Necker, Paris, France
- INSERM UMR 1163, Laboratory of Cellular and Molecular Mechanisms of Hematological Disorders and Therapeutic Implications, Paris, France
- Paris Descartes–Sorbonne Paris Cité University, Imagine Institute, Paris, France
- CNRS ERL 8254, Paris, France
- Laboratory of Excellence GR-Ex, Paris, France
- Equipe Labélisée par la Ligue Nationale contre le cancer, Parisa, France
- AB Science, Paris, France
- Department of Hematology, Necker Hospital, Paris, France
- Centre national de référence des mastocytoses (CEREMAST), Paris, France
| | - Joseph S. Beckman
- Linus Pauling Institute, Department of Biochemistry and Biophysics, Environmental Health Sciences Center, Oregon State University, Corvallis, Oregon, USA
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Andrés-Benito P, Moreno J, Domínguez R, Aso E, Povedano M, Ferrer I. Inflammatory Gene Expression in Whole Peripheral Blood at Early Stages of Sporadic Amyotrophic Lateral Sclerosis. Front Neurol 2017; 8:546. [PMID: 29081763 PMCID: PMC5645505 DOI: 10.3389/fneur.2017.00546] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2017] [Accepted: 09/27/2017] [Indexed: 12/11/2022] Open
Abstract
OBJECTIVE Characterization of altered expression of selected transcripts linked to inflammation in the peripheral blood of sporadic amyotrophic lateral sclerosis (sALS) patients at early stage of disease to increase knowledge about peripheral inflammatory response in sALS. METHODS RNA expression levels of 45 genes were assessed by RT-qPCR in 22 sALS cases in parallel with 13 age-matched controls. Clinical and serum parameters were assessed at the same time. RESULTS Upregulation of genes coding for factors involved in leukocyte extravasation (ITGB2, INPP5D, SELL, and ICAM1) and extracellular matrix remodeling (MMP9 and TIMP2), as well as downregulation of certain chemokines (CCL5 and CXC5R), anti-inflammatory cytokines (IL10, TGFB2, and IL10RA), pro-inflammatory cytokines (IL-6), and T-cell regulators (CD2 and TRBC1) was found in sALS cases independently of gender, clinical symptoms at onset (spinal, respiratory, or bulbar), progression, peripheral leukocyte number, and integrity of RNA. MMP9 levels positively correlated with age, whereas CCR5, CCL5, and TRBC1 negatively correlated with age in sALS but not in controls. Relatively higher TNFA expression levels correlate with higher creatinine kinase protein levels in plasma. CONCLUSION Present findings show early inflammatory responses characterized by upregulation of factors enabling extravasation of leukocytes and extracellular matrix remodeling in blood in sALS cases, in addition to increased TNFA levels paralleling skeletal muscle damage.
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Affiliation(s)
- Pol Andrés-Benito
- Neuropathology, Pathologic Anatomy Service, Bellvitge University Hospital, IDIBELL, Hospitalet de Llobregat, Spain.,Biomedical Network Research Center on Neurodegenerative Diseases (CIBERNED), Institute Carlos III, Hospitalet de Llobregat, Spain
| | - Jesús Moreno
- Biomedical Network Research Center on Neurodegenerative Diseases (CIBERNED), Institute Carlos III, Hospitalet de Llobregat, Spain
| | - Raúl Domínguez
- Functional Unit of Amyotrophic Lateral Sclerosis (UFELA), Service of Neurology, Bellvitge University Hospital, Hospitalet de Llobregat, Spain
| | - Ester Aso
- Neuropathology, Pathologic Anatomy Service, Bellvitge University Hospital, IDIBELL, Hospitalet de Llobregat, Spain.,Biomedical Network Research Center on Neurodegenerative Diseases (CIBERNED), Institute Carlos III, Hospitalet de Llobregat, Spain
| | - Mónica Povedano
- Biomedical Network Research Center on Neurodegenerative Diseases (CIBERNED), Institute Carlos III, Hospitalet de Llobregat, Spain.,Functional Unit of Amyotrophic Lateral Sclerosis (UFELA), Service of Neurology, Bellvitge University Hospital, Hospitalet de Llobregat, Spain
| | - Isidro Ferrer
- Neuropathology, Pathologic Anatomy Service, Bellvitge University Hospital, IDIBELL, Hospitalet de Llobregat, Spain.,Biomedical Network Research Center on Neurodegenerative Diseases (CIBERNED), Institute Carlos III, Hospitalet de Llobregat, Spain.,Department of Pathology and Experimental Therapeutics, University of Barcelona, Hospitalet de Llobregat, Spain.,Institute of Neurosciences, University of Barcelona, Hospitalet de Llobregat, Spain
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