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Cantó-Santos J, Valls-Roca L, Tobías E, García-García FJ, Guitart-Mampel M, Esteve-Codina A, Martín-Mur B, Casado M, Artuch R, Solsona-Vilarrasa E, Fernandez-Checa JC, García-Ruiz C, Rentero C, Enrich C, Moreno-Lozano PJ, Milisenda JC, Cardellach F, Grau-Junyent JM, Garrabou G. Unravelling inclusion body myositis using a patient-derived fibroblast model. J Cachexia Sarcopenia Muscle 2023; 14:964-977. [PMID: 36860172 PMCID: PMC10067507 DOI: 10.1002/jcsm.13178] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/11/2022] [Revised: 11/24/2022] [Accepted: 01/02/2023] [Indexed: 03/03/2023] Open
Abstract
BACKGROUND Inclusion body myositis (IBM) is an inflammatory myopathy clinically characterized by proximal and distal muscle weakness, with inflammatory infiltrates, rimmed vacuoles and mitochondrial changes in muscle histopathology. There is scarce knowledge on IBM aetiology, and non-established biomarkers or effective treatments are available, partly due to the lack of validated disease models. METHODS We have performed transcriptomics and functional validation of IBM muscle pathological hallmarks in fibroblasts from IBM patients (n = 14) and healthy controls (n = 12), paired by age and sex. The results comprise an mRNA-seq, together with functional inflammatory, autophagy, mitochondrial and metabolic changes between patients and controls. RESULTS Gene expression profile of IBM vs control fibroblasts revealed 778 differentially expressed genes (P-value adj < 0.05) related to inflammation, mitochondria, cell cycle regulation and metabolism. Functionally, an increased inflammatory profile was observed in IBM fibroblasts with higher supernatant cytokine secretion (three-fold increase). Autophagy was reduced considering basal protein mediators (18.4% reduced), time-course autophagosome formation (LC3BII 39% reduced, P-value < 0.05), and autophagosome microscopic evaluation. Mitochondria displayed reduced genetic content (by 33.9%, P-value < 0.05) and function (30.2%-decrease in respiration, 45.6%-decline in enzymatic activity (P-value < 0.001), 14.3%-higher oxidative stress, 135.2%-increased antioxidant defence (P-value < 0.05), 11.6%-reduced mitochondrial membrane potential (P-value < 0.05) and 42.8%-reduced mitochondrial elongation (P-value < 0.05)). In accordance, at the metabolite level, organic acid showed a 1.8-fold change increase, with conserved amino acid profile. Correlating to disease evolution, oxidative stress and inflammation emerge as potential markers of prognosis. CONCLUSIONS These findings confirm the presence of molecular disturbances in peripheral tissues from IBM patients and prompt patients' derived fibroblasts as a promising disease model, which may eventually be exported to other neuromuscular disorders. We additionally identify new molecular players in IBM associated with disease progression, setting the path to deepen in disease aetiology, in the identification of novel biomarkers or in the standardization of biomimetic platforms to assay new therapeutic strategies for preclinical studies.
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Affiliation(s)
- Judith Cantó-Santos
- Muscle Research and Mitochondrial Function Lab, Centre de Recerca Biomèdica CELLEX - Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS) and Faculty of Medicine and Health Sciences, University of Barcelona, Barcelona, Spain.,Department of Internal Medicine, Hospital Clinic of Barcelona, Barcelona, Spain.,CIBERER-Spanish Biomedical Research Centre in Rare Diseases, Madrid, Spain
| | - Laura Valls-Roca
- Muscle Research and Mitochondrial Function Lab, Centre de Recerca Biomèdica CELLEX - Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS) and Faculty of Medicine and Health Sciences, University of Barcelona, Barcelona, Spain.,Department of Internal Medicine, Hospital Clinic of Barcelona, Barcelona, Spain.,CIBERER-Spanish Biomedical Research Centre in Rare Diseases, Madrid, Spain
| | - Ester Tobías
- Muscle Research and Mitochondrial Function Lab, Centre de Recerca Biomèdica CELLEX - Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS) and Faculty of Medicine and Health Sciences, University of Barcelona, Barcelona, Spain.,Department of Internal Medicine, Hospital Clinic of Barcelona, Barcelona, Spain.,CIBERER-Spanish Biomedical Research Centre in Rare Diseases, Madrid, Spain
| | - Francesc Josep García-García
- Muscle Research and Mitochondrial Function Lab, Centre de Recerca Biomèdica CELLEX - Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS) and Faculty of Medicine and Health Sciences, University of Barcelona, Barcelona, Spain.,Department of Internal Medicine, Hospital Clinic of Barcelona, Barcelona, Spain.,CIBERER-Spanish Biomedical Research Centre in Rare Diseases, Madrid, Spain
| | - Mariona Guitart-Mampel
- Muscle Research and Mitochondrial Function Lab, Centre de Recerca Biomèdica CELLEX - Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS) and Faculty of Medicine and Health Sciences, University of Barcelona, Barcelona, Spain.,Department of Internal Medicine, Hospital Clinic of Barcelona, Barcelona, Spain.,CIBERER-Spanish Biomedical Research Centre in Rare Diseases, Madrid, Spain
| | - Anna Esteve-Codina
- CNAG-CRG, Centre for Genomic Regulation, Barcelona Institute of Science and Technology, Barcelona, Spain.,Universitat Pompeu Fabra (UPF), Barcelona, Spain
| | - Beatriz Martín-Mur
- CNAG-CRG, Centre for Genomic Regulation, Barcelona Institute of Science and Technology, Barcelona, Spain
| | - Mercedes Casado
- CIBERER-Spanish Biomedical Research Centre in Rare Diseases, Madrid, Spain.,Department of Clinical Biochemistry, Institut de Recerca Sant Joan de Déu; Esplugues de Llobregat, Barcelona, Spain
| | - Rafael Artuch
- CIBERER-Spanish Biomedical Research Centre in Rare Diseases, Madrid, Spain.,Department of Clinical Biochemistry, Institut de Recerca Sant Joan de Déu; Esplugues de Llobregat, Barcelona, Spain
| | - Estel Solsona-Vilarrasa
- Department of Cell Death and Proliferation, Institute of Biomedical Research of Barcelona (IIBB-CSIC), Liver Unit-HCB-IDIBAPS, Barcelona, Spain.,CIBEREHD-Spanish Biomedical Research Centre in Hepatic and Digestive Diseases, Madrid, Spain
| | - José Carlos Fernandez-Checa
- Department of Cell Death and Proliferation, Institute of Biomedical Research of Barcelona (IIBB-CSIC), Liver Unit-HCB-IDIBAPS, Barcelona, Spain.,CIBEREHD-Spanish Biomedical Research Centre in Hepatic and Digestive Diseases, Madrid, Spain
| | - Carmen García-Ruiz
- Department of Cell Death and Proliferation, Institute of Biomedical Research of Barcelona (IIBB-CSIC), Liver Unit-HCB-IDIBAPS, Barcelona, Spain.,CIBEREHD-Spanish Biomedical Research Centre in Hepatic and Digestive Diseases, Madrid, Spain
| | - Carles Rentero
- Department of Biomedicine, Cell Biology Unit, CELLEX-IDIBAPS, Faculty of Medicine and Health Sciences, University of Barcelona, Barcelona, Spain
| | - Carlos Enrich
- Department of Biomedicine, Cell Biology Unit, CELLEX-IDIBAPS, Faculty of Medicine and Health Sciences, University of Barcelona, Barcelona, Spain
| | - Pedro J Moreno-Lozano
- Muscle Research and Mitochondrial Function Lab, Centre de Recerca Biomèdica CELLEX - Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS) and Faculty of Medicine and Health Sciences, University of Barcelona, Barcelona, Spain.,Department of Internal Medicine, Hospital Clinic of Barcelona, Barcelona, Spain.,CIBERER-Spanish Biomedical Research Centre in Rare Diseases, Madrid, Spain
| | - José César Milisenda
- Muscle Research and Mitochondrial Function Lab, Centre de Recerca Biomèdica CELLEX - Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS) and Faculty of Medicine and Health Sciences, University of Barcelona, Barcelona, Spain.,Department of Internal Medicine, Hospital Clinic of Barcelona, Barcelona, Spain.,CIBERER-Spanish Biomedical Research Centre in Rare Diseases, Madrid, Spain
| | - Francesc Cardellach
- Muscle Research and Mitochondrial Function Lab, Centre de Recerca Biomèdica CELLEX - Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS) and Faculty of Medicine and Health Sciences, University of Barcelona, Barcelona, Spain.,Department of Internal Medicine, Hospital Clinic of Barcelona, Barcelona, Spain.,CIBERER-Spanish Biomedical Research Centre in Rare Diseases, Madrid, Spain
| | - Josep M Grau-Junyent
- Muscle Research and Mitochondrial Function Lab, Centre de Recerca Biomèdica CELLEX - Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS) and Faculty of Medicine and Health Sciences, University of Barcelona, Barcelona, Spain.,Department of Internal Medicine, Hospital Clinic of Barcelona, Barcelona, Spain.,CIBERER-Spanish Biomedical Research Centre in Rare Diseases, Madrid, Spain
| | - Glòria Garrabou
- Muscle Research and Mitochondrial Function Lab, Centre de Recerca Biomèdica CELLEX - Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS) and Faculty of Medicine and Health Sciences, University of Barcelona, Barcelona, Spain.,Department of Internal Medicine, Hospital Clinic of Barcelona, Barcelona, Spain.,CIBERER-Spanish Biomedical Research Centre in Rare Diseases, Madrid, Spain
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Suga K, Yamamoto-Hijikata S, Terao Y, Akagawa K, Ushimaru M. Golgi stress induces upregulation of the ER-Golgi SNARE Syntaxin-5, altered βAPP processing, and Caspase-3-dependent apoptosis in NG108-15 cells. Mol Cell Neurosci 2022; 121:103754. [PMID: 35842170 DOI: 10.1016/j.mcn.2022.103754] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2022] [Revised: 05/29/2022] [Accepted: 07/07/2022] [Indexed: 01/06/2023] Open
Abstract
The involvement of secretory pathways and Golgi dysfunction in neuronal cells during Alzheimer's disease progression is poorly understood. Our previous overexpression and knockdown studies revealed that the intracellular protein level of Syntaxin-5, an endoplasmic reticulum-Golgi soluble N-ethylmaleimide-sensitive factor-attachment protein receptor (SNARE), modulates beta-amyloid precursor protein processing in neuronal cells. We recently showed that changes in endogenous Syntaxin-5 protein expression occur under stress induction. Syntaxin-5 was upregulated by endoplasmic reticulum stress but was degraded by Caspase-3 during apoptosis in neuronal cells. In addition, we showed that sustained endoplasmic reticulum stress promotes Caspase-3-dependent apoptosis during the later phase of the endoplasmic reticulum stress response in NG108-15 cells. In this study, to elucidate the consequences of secretory pathway dysfunction in beta-amyloid precursor protein processing that lead to neuronal cell death, we examined the effect of various stresses on endoplasmic reticulum-Golgi SNARE expression and beta-amyloid precursor protein processing. By using compounds to disrupt Golgi function, we show that Golgi stress promotes upregulation of the endoplasmic reticulum-Golgi SNARE Syntaxin-5, and prolonged stress causes Caspase-3-dependent apoptosis. Golgi stress induced intracellular beta-amyloid precursor protein accumulation and a concomitant decrease in total amyloid-beta production. We also examined the protective effect of the chemical chaperone 4-phenylbutylate on changes in amyloid-beta production and the activation of Caspase-3 induced by endoplasmic reticulum and Golgi stress. The compound alleviated the increase in the amyloid-beta 1-42/amyloid-beta 1-40 ratio induced by endoplasmic reticulum and Golgi stress. Furthermore, 4-phenylbutylate could rescue Caspase-3-dependent apoptosis induced by prolonged organelle stress. These results suggest that organelle stress originating from the endoplasmic reticulum and Golgi has a substantial impact on the amyloidogenic processing of beta-amyloid precursor protein and Caspase-3-dependent apoptosis, leading to neuronal cell death.
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Affiliation(s)
- Kei Suga
- Department of Chemistry, Kyorin University, Faculty of Medicine, Mitaka, Tokyo 181-8611, Japan; Department of Medical Physiology, Kyorin University, Faculty of Medicine, Mitaka, Tokyo 181-8611, Japan.
| | | | - Yasuo Terao
- Department of Medical Physiology, Kyorin University, Faculty of Medicine, Mitaka, Tokyo 181-8611, Japan
| | - Kimio Akagawa
- Department of Medical Physiology, Kyorin University, Faculty of Medicine, Mitaka, Tokyo 181-8611, Japan
| | - Makoto Ushimaru
- Department of Chemistry, Kyorin University, Faculty of Medicine, Mitaka, Tokyo 181-8611, Japan
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Castets P, Frank S, Sinnreich M, Rüegg MA. "Get the Balance Right": Pathological Significance of Autophagy Perturbation in Neuromuscular Disorders. J Neuromuscul Dis 2018; 3:127-155. [PMID: 27854220 PMCID: PMC5271579 DOI: 10.3233/jnd-160153] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Recent research has revealed that autophagy, a major catabolic process in cells, is dysregulated in several neuromuscular diseases and contributes to the muscle wasting caused by non-muscle disorders (e.g. cancer cachexia) or during aging (i.e. sarcopenia). From there, the idea arose to interfere with autophagy or manipulate its regulatory signalling to help restore muscle homeostasis and attenuate disease progression. The major difficulty for the development of therapeutic strategies is to restore a balanced autophagic flux, due to the dynamic nature of autophagy. Thus, it is essential to better understand the mechanisms and identify the signalling pathways at play in the control of autophagy in skeletal muscle. A comprehensive analysis of the autophagic flux and of the causes of its dysregulation is required to assess the pathogenic role of autophagy in diseased muscle. Furthermore, it is essential that experiments distinguish between primary dysregulation of autophagy (prior to disease onset) and impairments as a consequence of the pathology. Of note, in most muscle disorders, autophagy perturbation is not caused by genetic modification of an autophagy-related protein, but rather through indirect alteration of regulatory signalling or lysosomal function. In this review, we will present the mechanisms involved in autophagy, and those ensuring its tight regulation in skeletal muscle. We will then discuss as to how autophagy dysregulation contributes to the pathogenesis of neuromuscular disorders and possible ways to interfere with this process to limit disease progression.
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Affiliation(s)
| | - Stephan Frank
- Institute of Pathology, Division of Neuropathology Basel University Hospital, Basel, Switzerland
| | - Michael Sinnreich
- Neuromuscular Research Center, Departments of Neurology and Biomedicine, Pharmazentrum, Basel, Switzerland
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He S, Li Q, Jiang X, Lu X, Feng F, Qu W, Chen Y, Sun H. Design of Small Molecule Autophagy Modulators: A Promising Druggable Strategy. J Med Chem 2017; 61:4656-4687. [PMID: 29211480 DOI: 10.1021/acs.jmedchem.7b01019] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Autophagy is a lysosome-dependent mechanism of intracellular degradation for maintaining cellular homeostasis. Dysregulation of autophagy has been verified to be closely linked to a number of human diseases. Consequently, targeting autophagy has been highlighted as a novel therapeutic strategy for clinical utility. Mounting efforts have been done in recent years to elucidate the mechanisms of autophagy regulation and to identify potential modulators of autophagy. However, most of the compounds target complex and multifaceted pathway and proteins, which may limit the evaluation of therapeutic value and in depth studies as chemical tools. Therefore, the development of specific and active autophagy modulators becomes most desirable. Here, we briefly review the regulation of autophagy and then summarize the recent development of small molecules targeting the core autophagic machinery. Finally, we put forward our viewpoints on the current problems, with the aim to provide reference for future drug discovery and potential therapeutic perspectives on novel, potent, selective autophagy modulators.
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Affiliation(s)
- Siyu He
- Department of Medicinal Chemistry , China Pharmaceutical University , Nanjing 210009 , China
| | - Qi Li
- Department of Medicinal Chemistry , China Pharmaceutical University , Nanjing 210009 , China
| | - Xueyang Jiang
- Key Laboratory of Biomedical Functional Materials, School of Science , China Pharmaceutical University , Nanjing 211198 , China
| | - Xin Lu
- Department of Medicinal Chemistry , China Pharmaceutical University , Nanjing 210009 , China
| | - Feng Feng
- Key Laboratory of Biomedical Functional Materials, School of Science , China Pharmaceutical University , Nanjing 211198 , China
| | - Wei Qu
- Key Laboratory of Biomedical Functional Materials, School of Science , China Pharmaceutical University , Nanjing 211198 , China
| | - Yao Chen
- School of Pharmacy , Nanjing University of Chinese Medicine , Nanjing , 210023 , China
| | - Haopeng Sun
- Department of Medicinal Chemistry , China Pharmaceutical University , Nanjing 210009 , China
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Askanas V, Engel WK, Nogalska A. Sporadic inclusion-body myositis: A degenerative muscle disease associated with aging, impaired muscle protein homeostasis and abnormal mitophagy. Biochim Biophys Acta Mol Basis Dis 2014; 1852:633-43. [PMID: 25241263 DOI: 10.1016/j.bbadis.2014.09.005] [Citation(s) in RCA: 67] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2014] [Revised: 09/09/2014] [Accepted: 09/10/2014] [Indexed: 01/13/2023]
Abstract
Sporadic inclusion-body myositis (s-IBM) is the most common degenerative muscle disease in which aging appears to be a key risk factor. In this review we focus on several cellular molecular mechanisms responsible for multiprotein aggregation and accumulations within s-IBM muscle fibers, and their possible consequences. Those include mechanisms leading to: a) accumulation in the form of aggregates within the muscle fibers, of several proteins, including amyloid-β42 and its oligomers, and phosphorylated tau in the form of paired helical filaments, and we consider their putative detrimental influence; and b) protein misfolding and aggregation, including evidence of abnormal myoproteostasis, such as increased protein transcription, inadequate protein disposal, and abnormal posttranslational modifications of proteins. Pathogenic importance of our recently demonstrated abnormal mitophagy is also discussed. The intriguing phenotypic similarities between s-IBM muscle fibers and the brains of Alzheimer and Parkinson's disease patients, the two most common neurodegenerative diseases associated with aging, are also discussed. This article is part of a Special Issue entitled: Neuromuscular Diseases: Pathology and Molecular Pathogenesis.
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Affiliation(s)
- Valerie Askanas
- USC Neuromuscular Center, Department of Neurology, University of Southern California Keck School of Medicine, Good Samaritan Hospital, Los Angeles, CA, USA.
| | - W King Engel
- USC Neuromuscular Center, Department of Neurology, University of Southern California Keck School of Medicine, Good Samaritan Hospital, Los Angeles, CA, USA
| | - Anna Nogalska
- USC Neuromuscular Center, Department of Neurology, University of Southern California Keck School of Medicine, Good Samaritan Hospital, Los Angeles, CA, USA
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