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Chapman MA, Sorg BA. A Systematic Review of Extracellular Matrix-Related Alterations in Parkinson's Disease. Brain Sci 2024; 14:522. [PMID: 38928523 DOI: 10.3390/brainsci14060522] [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: 04/17/2024] [Revised: 05/13/2024] [Accepted: 05/15/2024] [Indexed: 06/28/2024] Open
Abstract
The role of the extracellular matrix (ECM) in Parkinson's disease (PD) is not well understood, even though it is critical for neuronal structure and signaling. This systematic review identified the top deregulated ECM-related pathways in studies that used gene set enrichment analyses (GSEA) to document transcriptomic, proteomic, or genomic alterations in PD. PubMed and Google scholar were searched for transcriptomics, proteomics, or genomics studies that employed GSEA on data from PD tissues or cells and reported ECM-related pathways among the top-10 most enriched versus controls. Twenty-seven studies were included, two of which used multiple omics analyses. Transcriptomics and proteomics studies were conducted on a variety of tissue and cell types. Of the 17 transcriptomics studies (16 data sets), 13 identified one or more adhesion pathways in the top-10 deregulated gene sets or pathways, primarily related to cell adhesion and focal adhesion. Among the 8 proteomics studies, 5 identified altered overarching ECM gene sets or pathways among the top 10. Among the 4 genomics studies, 3 identified focal adhesion pathways among the top 10. The findings summarized here suggest that ECM organization/structure and cell adhesion (particularly focal adhesion) are altered in PD and should be the focus of future studies.
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Affiliation(s)
| | - Barbara A Sorg
- R.S. Dow Neurobiology, Legacy Research Institute, Portland, OR 97232, USA
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2
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González-Casacuberta I, Vilas D, Pont-Sunyer C, Tobías E, Cantó-Santos J, Valls-Roca L, García-García FJ, Garrabou G, Grau-Junyent JM, Martí MJ, Cardellach F, Morén C. Neuronal induction and bioenergetics characterization of human forearm adipose stem cells from Parkinson’s disease patients and healthy controls. PLoS One 2022; 17:e0265256. [PMID: 35290400 PMCID: PMC8923468 DOI: 10.1371/journal.pone.0265256] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Accepted: 02/26/2022] [Indexed: 11/18/2022] Open
Abstract
Neurodegenerative diseases, such as Parkinson’s disease, are heterogeneous disorders with a multifactorial nature involving impaired bioenergetics. Stem-regenerative medicine and bioenergetics have been proposed as promising therapeutic targets in the neurologic field. The rationale of the present study was to assess the potential of human-derived adipose stem cells (hASCs) to transdifferentiate into neuronal-like cells (NhASCs and neurospheres) and explore the hASC bioenergetic profile. hASC neuronal transdifferentiation was performed through neurobasal media and differentiation factor exposure. High resolution respirometry was assessed. Increased MAP-2 neuronal marker protein expression upon neuronal induction (p<0.05 undifferentiated hASCs vs. 28–36 days of differentiation) and increased bIII-tubulin neuronal marker protein expression upon neuronal induction (p<0.05 undifferentiated hASCs vs. 6-28-36 days of differentiation) were found. The bioenergetic profile was detectable through high-resolution respirometry approaches in hASCs but did not lead to differential oxidative capacity rates in healthy or clinically diagnosed PD-hASCs. We confirmed the capability of transdifferentiation to the neuronal-like profile of hASCs derived from the forearms of human subjects and characterized the bioenergetic profile. Suboptimal maximal respiratory capacity trends in PD were found. Neuronal induction leading to positive neuronal protein expression markers is a relevant issue that encourages the suitability of NhASC models in neurodegeneration.
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Affiliation(s)
- Ingrid González-Casacuberta
- Cellex-Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Faculty of Medicine and Health Science, University of Barcelona, Spain
- Internal Medicine Department, Hospital Clínic of Barcelona, Barcelona, Spain
- Biomedical Research Networking Center on Rare Diseases (CIBERER), Madrid, Spain
| | - Dolores Vilas
- Neurodegenerative Diseases Unit, Neurology Service, University Hospital Germans Trias i Pujol, Badalona, Catalonia, Spain
| | - Claustre Pont-Sunyer
- Neurology Unit, Hospital General de Granollers, Universitat Internacional de Catalunya, Barcelona, Catalonia, Spain
| | - Ester Tobías
- Cellex-Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Faculty of Medicine and Health Science, University of Barcelona, Spain
- Internal Medicine Department, Hospital Clínic of Barcelona, Barcelona, Spain
- Biomedical Research Networking Center on Rare Diseases (CIBERER), Madrid, Spain
| | - Judith Cantó-Santos
- Cellex-Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Faculty of Medicine and Health Science, University of Barcelona, Spain
- Internal Medicine Department, Hospital Clínic of Barcelona, Barcelona, Spain
- Biomedical Research Networking Center on Rare Diseases (CIBERER), Madrid, Spain
| | - Laura Valls-Roca
- Cellex-Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Faculty of Medicine and Health Science, University of Barcelona, Spain
- Internal Medicine Department, Hospital Clínic of Barcelona, Barcelona, Spain
- Biomedical Research Networking Center on Rare Diseases (CIBERER), Madrid, Spain
| | - Francesc Josep García-García
- Cellex-Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Faculty of Medicine and Health Science, University of Barcelona, Spain
- Internal Medicine Department, Hospital Clínic of Barcelona, Barcelona, Spain
- Biomedical Research Networking Center on Rare Diseases (CIBERER), Madrid, Spain
| | - Glòria Garrabou
- Cellex-Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Faculty of Medicine and Health Science, University of Barcelona, Spain
- Internal Medicine Department, Hospital Clínic of Barcelona, Barcelona, Spain
- Biomedical Research Networking Center on Rare Diseases (CIBERER), Madrid, Spain
| | - Josep Maria Grau-Junyent
- Cellex-Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Faculty of Medicine and Health Science, University of Barcelona, Spain
- Internal Medicine Department, Hospital Clínic of Barcelona, Barcelona, Spain
- Biomedical Research Networking Center on Rare Diseases (CIBERER), Madrid, Spain
| | - Maria Josep Martí
- Cellex-Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Faculty of Medicine and Health Science, University of Barcelona, Spain
- Movement Disorders Unit, Neurology Service, Institut de Neurociències, University of Barcelona, Hospital Clínic de Barcelona, Barcelona, Catalonia, Spain
- Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED: CB06/05/0018-ISCIII), Barcelona, Catalonia, Spain
| | - Francesc Cardellach
- Cellex-Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Faculty of Medicine and Health Science, University of Barcelona, Spain
- Internal Medicine Department, Hospital Clínic of Barcelona, Barcelona, Spain
- Biomedical Research Networking Center on Rare Diseases (CIBERER), Madrid, Spain
| | - Constanza Morén
- Cellex-Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Faculty of Medicine and Health Science, University of Barcelona, Spain
- Internal Medicine Department, Hospital Clínic of Barcelona, Barcelona, Spain
- Biomedical Research Networking Center on Rare Diseases (CIBERER), Madrid, Spain
- * E-mail:
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3
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Guitart-Mampel M, Urquiza P, Carnevale Neto F, Anderson JR, Hambardikar V, Scoma ER, Merrihew GE, Wang L, MacCoss MJ, Raftery D, Peffers MJ, Solesio ME. Mitochondrial Inorganic Polyphosphate (polyP) Is a Potent Regulator of Mammalian Bioenergetics in SH-SY5Y Cells: A Proteomics and Metabolomics Study. Front Cell Dev Biol 2022; 10:833127. [PMID: 35252194 PMCID: PMC8892102 DOI: 10.3389/fcell.2022.833127] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2021] [Accepted: 01/21/2022] [Indexed: 01/04/2023] Open
Abstract
Inorganic polyphosphate (polyP) is an ancient, ubiquitous, and well-conserved polymer which is present in all the studied organisms. It is formed by individual subunits of orthophosphate which are linked by structurally similar bonds and isoenergetic to those found in ATP. While the metabolism and the physiological roles of polyP have already been described in some organisms, including bacteria and yeast, the exact role of this polymer in mammalian physiology still remains poorly understood. In these organisms, polyP shows a co-localization with mitochondria, and its role as a key regulator of the stress responses, including the maintenance of appropriate bioenergetics, has already been demonstrated by our group and others. Here, using Wild-type (Wt) and MitoPPX (cells enzymatically depleted of mitochondrial polyP) SH-SY5Y cells, we have conducted a comprehensive study of the status of cellular physiology, using proteomics and metabolomics approaches. Our results suggest a clear dysregulation of mitochondrial physiology, especially of bioenergetics, in MitoPPX cells when compared with Wt cells. Moreover, the effects induced by the enzymatic depletion of polyP are similar to those present in the mitochondrial dysfunction that is observed in neurodegenerative disorders and in neuronal aging. Based on our findings, the metabolism of mitochondrial polyP could be a valid and innovative pharmacological target in these conditions.
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Affiliation(s)
| | - Pedro Urquiza
- Department of Biology, Rutgers University, Camden, NJ, United States
| | - Fausto Carnevale Neto
- Northwest Metabolomics Research Center, Department of Anesthesiology and Pain Medicine, University of Washington, Seattle, WA, United States
| | - James R. Anderson
- Musculoskeletal and Ageing Science, Institute of Life Course and Medical Sciences, University of Liverpool, Liverpool, United Kingdom
| | - Vedangi Hambardikar
- Center for Computational and Integrative Biology, Rutgers University, Camden, NJ, United States
| | - Ernest R. Scoma
- Center for Computational and Integrative Biology, Rutgers University, Camden, NJ, United States
| | - Gennifer E. Merrihew
- Department of Genome Sciences, University of Washington, Seattle, WA, United States
| | - Lu Wang
- Department of Environmental and Occupational Health Sciences, University of Washington, Seattle, WA, United States
| | - Michael J. MacCoss
- Department of Genome Sciences, University of Washington, Seattle, WA, United States
| | - Daniel Raftery
- Northwest Metabolomics Research Center, Department of Anesthesiology and Pain Medicine, University of Washington, Seattle, WA, United States
- Public Health Sciences Division, Fred Hutchinson Cancer Research Center, Seattle, WA, United States
| | - Mandy J. Peffers
- Musculoskeletal and Ageing Science, Institute of Life Course and Medical Sciences, University of Liverpool, Liverpool, United Kingdom
| | - Maria E. Solesio
- Department of Biology, Rutgers University, Camden, NJ, United States
- Center for Computational and Integrative Biology, Rutgers University, Camden, NJ, United States
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Fernández-Santiago R, Esteve-Codina A, Fernández M, Valldeoriola F, Sanchez-Gómez A, Muñoz E, Compta Y, Tolosa E, Ezquerra M, Martí MJ. Transcriptome analysis in LRRK2 and idiopathic Parkinson's disease at different glucose levels. NPJ Parkinsons Dis 2021; 7:109. [PMID: 34853332 PMCID: PMC8636510 DOI: 10.1038/s41531-021-00255-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2021] [Accepted: 11/04/2021] [Indexed: 02/08/2023] Open
Abstract
Type-2 diabetes (T2D) and glucose metabolic imbalances have been linked to neurodegenerative diseases, including Parkinson's disease (PD). To detect potential effects of different glucose levels on gene expression, by RNA-seq we analyzed the transcriptome of dermal fibroblasts from idiopathic PD (iPD) patients, LRRK2-associated PD (L2PD) patients, and healthy controls (total n = 21 cell lines), which were cultured at two different glucose concentrations (25 and 5 mM glucose). In PD patients we identified differentially expressed genes (DEGs) that were related to biological processes mainly involving the plasmatic cell membrane, the extracellular matrix, and also neuronal functions. Such pathway deregulation was largely similar in iPD or L2PD fibroblasts. Overall, the gene expression changes detected in this study were associated with PD independently of glucose concentration.
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Affiliation(s)
- Rubén Fernández-Santiago
- Lab of Parkinson disease and Other Neurodegenerative Movement Disorders: Clinical and Experimental Research, Department of Neurology, Hospital Clínic of Barcelona, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Institut de Neurociències, Universitat de Barcelona, 08036, Barcelona, Catalonia, Spain.
- Centro de Investigación Biomédica en Red de Enfermedades Neurodegenerativas (CIBERNED), 08036, Barcelona, Catalonia, Spain.
| | - Anna Esteve-Codina
- CNAG-CRG, Centre for Genomic Regulation, Barcelona Institute of Science and Technology, 08028, Barcelona, Catalonia, Spain
- Universitat Pompeu Fabra (UPF), Barcelona, Catalonia, Spain
| | - Manel Fernández
- Lab of Parkinson disease and Other Neurodegenerative Movement Disorders: Clinical and Experimental Research, Department of Neurology, Hospital Clínic of Barcelona, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Institut de Neurociències, Universitat de Barcelona, 08036, Barcelona, Catalonia, Spain
| | - Francesc Valldeoriola
- Lab of Parkinson disease and Other Neurodegenerative Movement Disorders: Clinical and Experimental Research, Department of Neurology, Hospital Clínic of Barcelona, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Institut de Neurociències, Universitat de Barcelona, 08036, Barcelona, Catalonia, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Neurodegenerativas (CIBERNED), 08036, Barcelona, Catalonia, Spain
- Parkinson's disease & Movement Disorders Unit, Neurology Service, Hospital Clínic de Barcelona, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), University of Barcelona, 08036, Barcelona, Catalonia, Spain
| | - Almudena Sanchez-Gómez
- Lab of Parkinson disease and Other Neurodegenerative Movement Disorders: Clinical and Experimental Research, Department of Neurology, Hospital Clínic of Barcelona, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Institut de Neurociències, Universitat de Barcelona, 08036, Barcelona, Catalonia, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Neurodegenerativas (CIBERNED), 08036, Barcelona, Catalonia, Spain
- Parkinson's disease & Movement Disorders Unit, Neurology Service, Hospital Clínic de Barcelona, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), University of Barcelona, 08036, Barcelona, Catalonia, Spain
| | - Esteban Muñoz
- Lab of Parkinson disease and Other Neurodegenerative Movement Disorders: Clinical and Experimental Research, Department of Neurology, Hospital Clínic of Barcelona, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Institut de Neurociències, Universitat de Barcelona, 08036, Barcelona, Catalonia, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Neurodegenerativas (CIBERNED), 08036, Barcelona, Catalonia, Spain
- Parkinson's disease & Movement Disorders Unit, Neurology Service, Hospital Clínic de Barcelona, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), University of Barcelona, 08036, Barcelona, Catalonia, Spain
| | - Yaroslau Compta
- Lab of Parkinson disease and Other Neurodegenerative Movement Disorders: Clinical and Experimental Research, Department of Neurology, Hospital Clínic of Barcelona, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Institut de Neurociències, Universitat de Barcelona, 08036, Barcelona, Catalonia, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Neurodegenerativas (CIBERNED), 08036, Barcelona, Catalonia, Spain
- Parkinson's disease & Movement Disorders Unit, Neurology Service, Hospital Clínic de Barcelona, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), University of Barcelona, 08036, Barcelona, Catalonia, Spain
| | - Eduardo Tolosa
- Lab of Parkinson disease and Other Neurodegenerative Movement Disorders: Clinical and Experimental Research, Department of Neurology, Hospital Clínic of Barcelona, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Institut de Neurociències, Universitat de Barcelona, 08036, Barcelona, Catalonia, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Neurodegenerativas (CIBERNED), 08036, Barcelona, Catalonia, Spain
- Parkinson's disease & Movement Disorders Unit, Neurology Service, Hospital Clínic de Barcelona, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), University of Barcelona, 08036, Barcelona, Catalonia, Spain
| | - Mario Ezquerra
- Lab of Parkinson disease and Other Neurodegenerative Movement Disorders: Clinical and Experimental Research, Department of Neurology, Hospital Clínic of Barcelona, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Institut de Neurociències, Universitat de Barcelona, 08036, Barcelona, Catalonia, Spain.
- Centro de Investigación Biomédica en Red de Enfermedades Neurodegenerativas (CIBERNED), 08036, Barcelona, Catalonia, Spain.
| | - María J Martí
- Lab of Parkinson disease and Other Neurodegenerative Movement Disorders: Clinical and Experimental Research, Department of Neurology, Hospital Clínic of Barcelona, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Institut de Neurociències, Universitat de Barcelona, 08036, Barcelona, Catalonia, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Neurodegenerativas (CIBERNED), 08036, Barcelona, Catalonia, Spain
- Parkinson's disease & Movement Disorders Unit, Neurology Service, Hospital Clínic de Barcelona, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), University of Barcelona, 08036, Barcelona, Catalonia, Spain
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Resveratrol Treatment in Human Parkin-Mutant Fibroblasts Modulates cAMP and Calcium Homeostasis Regulating the Expression of Mitochondria-Associated Membranes Resident Proteins. Biomolecules 2021; 11:biom11101511. [PMID: 34680144 PMCID: PMC8534032 DOI: 10.3390/biom11101511] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Revised: 10/12/2021] [Accepted: 10/13/2021] [Indexed: 12/16/2022] Open
Abstract
Parkin plays an important role in ensuring efficient mitochondrial function and calcium homeostasis. Parkin-mutant human fibroblasts, with defective oxidative phosphorylation activity, showed high basal cAMP level likely ascribed to increased activity/expression of soluble adenylyl cyclase and/or low expression/activity of the phosphodiesterase isoform 4 and to a higher Ca2+ level. Overall, these findings support the existence, in parkin-mutant fibroblasts, of an abnormal Ca2+ and cAMP homeostasis in mitochondria. In our previous studies resveratrol treatment of parkin-mutant fibroblasts induced a partial rescue of mitochondrial functions associated with stimulation of the AMPK/SIRT1/PGC-1α pathway. In this study we provide additional evidence of the potential beneficial effects of resveratrol inducing an increase in the pre-existing high Ca2+ level and remodulation of the cAMP homeostasis in parkin-mutant fibroblasts. Consistently, we report in these fibroblasts higher expression of proteins implicated in the tethering of ER and mitochondrial contact sites along with their renormalization after resveratrol treatment. On this basis we hypothesize that resveratrol-mediated enhancement of the Ca2+ level, fine-tuned by the ER-mitochondria Ca2+ crosstalk, might modulate the pAMPK/AMPK pathway in parkin-mutant fibroblasts.
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Two Novel Variants in YARS2 Gene Are Responsible for an Extended MLASA Phenotype with Pancreatic Insufficiency. J Clin Med 2021; 10:jcm10163471. [PMID: 34441767 PMCID: PMC8397107 DOI: 10.3390/jcm10163471] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2021] [Accepted: 08/02/2021] [Indexed: 11/17/2022] Open
Abstract
Pathogenic variants in the mitochondrial tyrosyl-tRNA synthetase gene (YARS2) were associated with myopathy, lactic acidosis, and sideroblastic anemia (MLASA). However, patients can present mitochondrial myopathy, with exercise intolerance and muscle weakness, leading from mild to lethal phenotypes. Genes implicated in mtDNA replication were studied by Next Generation Sequencing (NGS) and whole exome sequence with the TruSeq Rapid Exome kit (Illumina, San Diego, CA, USA). Mitochondrial protein translation was studied following the Sasarman and Shoubridge protocol and oxygen consumption rates with Agilent Seahorse XF24 Analyzer Mitostress Test, (Agilent, Santa Clara, CA, USA). We report two siblings with two novel compound heterozygous pathogenic variants in YARS2 gene: a single nucleotide deletion in exon 1, c.314delG (p.(Gly105Alafs*4)), which creates a premature stop codon in the amino acid 109, and a single nucleotide change in exon 5 c.1391T>C (p.(Ile464Thr)), that cause a missense variant in amino acid 464. We demonstrate the pathogenicity of these new variants associated with reduced YARS2 mRNA transcript, reduced mitochondrial protein translation and dysfunctional organelle function. These pathogenic variants are responsible for late onset MLASA, herein accompanied by pancreatic insufficiency, observed in both brothers, clinically considered as Pearson's syndrome. Molecular study of YARS2 gene should be considered in patients presenting Pearson's syndrome characteristics and MLASA related phenotypes.
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Kamienieva I, Duszyński J, Szczepanowska J. Multitasking guardian of mitochondrial quality: Parkin function and Parkinson's disease. Transl Neurodegener 2021; 10:5. [PMID: 33468256 PMCID: PMC7816312 DOI: 10.1186/s40035-020-00229-8] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2020] [Accepted: 12/30/2020] [Indexed: 12/27/2022] Open
Abstract
The familial form of Parkinson’s disease (PD) is linked to mutations in specific genes. The mutations in parkin are one of the most common causes of early-onset PD. Mitochondrial dysfunction is an emerging active player in the pathology of neurodegenerative diseases, because mitochondria are highly dynamic structures integrated with many cellular functions. Herein, we overview and discuss the role of the parkin protein product, Parkin E3 ubiquitin ligase, in the cellular processes related to mitochondrial function, and how parkin mutations can result in pathology in vitro and in vivo.
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Affiliation(s)
- Iryna Kamienieva
- Nencki Institute of Experimental Biology, Polish Academy of Science, 02-093, Warsaw, Poland
| | - Jerzy Duszyński
- Nencki Institute of Experimental Biology, Polish Academy of Science, 02-093, Warsaw, Poland
| | - Joanna Szczepanowska
- Nencki Institute of Experimental Biology, Polish Academy of Science, 02-093, Warsaw, Poland.
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González-Casacuberta I, Juárez-Flores DL, Ezquerra M, Fucho R, Catalán-García M, Guitart-Mampel M, Tobías E, García-Ruiz C, Fernández-Checa JC, Tolosa E, Martí MJ, Grau JM, Fernández-Santiago R, Cardellach F, Morén C, Garrabou G. Mitochondrial and autophagic alterations in skin fibroblasts from Parkinson disease patients with Parkin mutations. Aging (Albany NY) 2020; 11:3750-3767. [PMID: 31180333 PMCID: PMC6594812 DOI: 10.18632/aging.102014] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2019] [Accepted: 06/01/2019] [Indexed: 12/28/2022]
Abstract
PRKN encodes an E3-ubiquitin-ligase involved in multiple cell processes including mitochondrial homeostasis and autophagy. Previous studies reported alterations of mitochondrial function in fibroblasts from patients with PRKN mutation-associated Parkinson’s disease (PRKN-PD) but have been only conducted in glycolytic conditions, potentially masking mitochondrial alterations. Additionally, autophagy flux studies in this cell model are missing. We analyzed mitochondrial function and autophagy in PRKN-PD skin-fibroblasts (n=7) and controls (n=13) in standard (glucose) and mitochondrial-challenging (galactose) conditions. In glucose, PRKN-PD fibroblasts showed preserved mitochondrial bioenergetics with trends to abnormally enhanced mitochondrial respiration that, accompanied by decreased CI, may account for the increased oxidative stress. In galactose, PRKN-PD fibroblasts exhibited decreased basal/maximal respiration vs. controls and reduced mitochondrial CIV and oxidative stress compared to glucose, suggesting an inefficient mitochondrial oxidative capacity to meet an extra metabolic requirement. PRKN-PD fibroblasts presented decreased autophagic flux with reduction of autophagy substrate and autophagosome synthesis in both conditions. The alterations exhibited under neuron-like oxidative environment (galactose), may be relevant to the disease pathogenesis potentially explaining the increased susceptibility of dopaminergic neurons to undergo degeneration. Abnormal PRKN-PD phenotype supports the usefulness of fibroblasts to model disease and the view of PD as a systemic disease where molecular alterations are present in peripheral tissues.
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Affiliation(s)
- Ingrid González-Casacuberta
- Laboratory of Muscle Research and Mitochondrial Function, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), University of Barcelona (UB), Department of Internal Medicine, Hospital Clínic of Barcelona (HCB), Barcelona 08036, Spain.,Centro de Investigación Biomédica en Red (CIBER) de Enfermedades Raras (CIBERER), Madrid 28029, Spain
| | - Diana-Luz Juárez-Flores
- Laboratory of Muscle Research and Mitochondrial Function, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), University of Barcelona (UB), Department of Internal Medicine, Hospital Clínic of Barcelona (HCB), Barcelona 08036, Spain.,Centro de Investigación Biomédica en Red (CIBER) de Enfermedades Raras (CIBERER), Madrid 28029, Spain
| | - Mario Ezquerra
- Laboratory of Neurodegenerative Disorders, IDIBAPS, UB, Department of Neurology, HCB, Barcelona 08036, Spain.,CIBER de Enfermedades Neurodegenerativas (CIBERNED), Madrid 28031, Spain
| | - Raquel Fucho
- Cell Death and Proliferation, IDIBAPS, Consejo Superior Investigaciones Científicas (CSIC), Barcelona, Spain.,Liver Unit, HCB, IDIBAPS and CIBER de Enfermedades Hepáticas y Digestivas (CIBEREHD), Barcelona, Spain
| | - Marc Catalán-García
- Laboratory of Muscle Research and Mitochondrial Function, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), University of Barcelona (UB), Department of Internal Medicine, Hospital Clínic of Barcelona (HCB), Barcelona 08036, Spain.,Centro de Investigación Biomédica en Red (CIBER) de Enfermedades Raras (CIBERER), Madrid 28029, Spain
| | - Mariona Guitart-Mampel
- Laboratory of Muscle Research and Mitochondrial Function, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), University of Barcelona (UB), Department of Internal Medicine, Hospital Clínic of Barcelona (HCB), Barcelona 08036, Spain.,Centro de Investigación Biomédica en Red (CIBER) de Enfermedades Raras (CIBERER), Madrid 28029, Spain
| | - Ester Tobías
- Laboratory of Muscle Research and Mitochondrial Function, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), University of Barcelona (UB), Department of Internal Medicine, Hospital Clínic of Barcelona (HCB), Barcelona 08036, Spain.,Centro de Investigación Biomédica en Red (CIBER) de Enfermedades Raras (CIBERER), Madrid 28029, Spain
| | - Carmen García-Ruiz
- Cell Death and Proliferation, IDIBAPS, Consejo Superior Investigaciones Científicas (CSIC), Barcelona, Spain.,Liver Unit, HCB, IDIBAPS and CIBER de Enfermedades Hepáticas y Digestivas (CIBEREHD), Barcelona, Spain.,USC Research Center for ALPD, Keck School of Medicine, Los Angeles, CA 90033, USA
| | - José Carlos Fernández-Checa
- Cell Death and Proliferation, IDIBAPS, Consejo Superior Investigaciones Científicas (CSIC), Barcelona, Spain.,Liver Unit, HCB, IDIBAPS and CIBER de Enfermedades Hepáticas y Digestivas (CIBEREHD), Barcelona, Spain.,USC Research Center for ALPD, Keck School of Medicine, Los Angeles, CA 90033, USA
| | - Eduard Tolosa
- Laboratory of Neurodegenerative Disorders, IDIBAPS, UB, Department of Neurology, HCB, Barcelona 08036, Spain.,CIBER de Enfermedades Neurodegenerativas (CIBERNED), Madrid 28031, Spain
| | - María-José Martí
- Laboratory of Neurodegenerative Disorders, IDIBAPS, UB, Department of Neurology, HCB, Barcelona 08036, Spain.,CIBER de Enfermedades Neurodegenerativas (CIBERNED), Madrid 28031, Spain
| | - Josep Maria Grau
- Laboratory of Muscle Research and Mitochondrial Function, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), University of Barcelona (UB), Department of Internal Medicine, Hospital Clínic of Barcelona (HCB), Barcelona 08036, Spain.,Centro de Investigación Biomédica en Red (CIBER) de Enfermedades Raras (CIBERER), Madrid 28029, Spain
| | - Rubén Fernández-Santiago
- Laboratory of Neurodegenerative Disorders, IDIBAPS, UB, Department of Neurology, HCB, Barcelona 08036, Spain.,CIBER de Enfermedades Neurodegenerativas (CIBERNED), Madrid 28031, Spain
| | - Francesc Cardellach
- Laboratory of Muscle Research and Mitochondrial Function, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), University of Barcelona (UB), Department of Internal Medicine, Hospital Clínic of Barcelona (HCB), Barcelona 08036, Spain.,Centro de Investigación Biomédica en Red (CIBER) de Enfermedades Raras (CIBERER), Madrid 28029, Spain
| | - Constanza Morén
- Laboratory of Muscle Research and Mitochondrial Function, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), University of Barcelona (UB), Department of Internal Medicine, Hospital Clínic of Barcelona (HCB), Barcelona 08036, Spain.,Centro de Investigación Biomédica en Red (CIBER) de Enfermedades Raras (CIBERER), Madrid 28029, Spain
| | - Glòria Garrabou
- Laboratory of Muscle Research and Mitochondrial Function, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), University of Barcelona (UB), Department of Internal Medicine, Hospital Clínic of Barcelona (HCB), Barcelona 08036, Spain.,Centro de Investigación Biomédica en Red (CIBER) de Enfermedades Raras (CIBERER), Madrid 28029, Spain
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9
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Shires SE, Quiles JM, Najor RH, Leon LJ, Cortez MQ, Lampert MA, Mark A, Gustafsson ÅB. Nuclear Parkin Activates the ERRα Transcriptional Program and Drives Widespread Changes in Gene Expression Following Hypoxia. Sci Rep 2020; 10:8499. [PMID: 32444656 PMCID: PMC7244578 DOI: 10.1038/s41598-020-65438-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2019] [Accepted: 04/30/2020] [Indexed: 11/09/2022] Open
Abstract
Parkin is an E3 ubiquitin ligase well-known for facilitating clearance of damaged mitochondria by ubiquitinating proteins on the outer mitochondrial membrane. However, knowledge of Parkin's functions beyond mitophagy is still limited. Here, we demonstrate that Parkin has functions in the nucleus and that Parkinson's disease-associated Parkin mutants, ParkinR42P and ParkinG430D, are selectively excluded from the nucleus. Further, Parkin translocates to the nucleus in response to hypoxia which correlates with increased ubiquitination of nuclear proteins. The serine-threonine kinase PINK1 is responsible for recruiting Parkin to mitochondria, but translocation of Parkin to the nucleus occurs independently of PINK1. Transcriptomic analyses of HeLa cells overexpressing wild type or a nuclear-targeted Parkin revealed that during hypoxia, Parkin contributes to both increased and decreased transcription of genes involved in regulating multiple metabolic pathways. Furthermore, a proteomics screen comparing ubiquitinated proteins in hearts from Parkin-/- and Parkin transgenic mice identified the transcription factor estrogen-related receptor α (ERRα) as a potential Parkin target. Co-immunoprecipitation confirmed that nuclear-targeted Parkin interacts with and ubiquitinates ERRα. Further analysis uncovered that nuclear Parkin increases the transcriptional activity of ERRα. Overall, our study supports diverse roles for Parkin and demonstrates that nuclear Parkin regulates transcription of genes involved in multiple metabolic pathways.
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Affiliation(s)
- Sarah E Shires
- Skaggs School of Pharmacy and Pharmaceutical Sciences, Department of Pharmacology, University of California, San Diego, La Jolla, CA, USA
| | - Justin M Quiles
- Skaggs School of Pharmacy and Pharmaceutical Sciences, Department of Pharmacology, University of California, San Diego, La Jolla, CA, USA
| | - Rita H Najor
- Skaggs School of Pharmacy and Pharmaceutical Sciences, Department of Pharmacology, University of California, San Diego, La Jolla, CA, USA
| | - Leonardo J Leon
- Skaggs School of Pharmacy and Pharmaceutical Sciences, Department of Pharmacology, University of California, San Diego, La Jolla, CA, USA
| | - Melissa Q Cortez
- Skaggs School of Pharmacy and Pharmaceutical Sciences, Department of Pharmacology, University of California, San Diego, La Jolla, CA, USA
| | - Mark A Lampert
- Skaggs School of Pharmacy and Pharmaceutical Sciences, Department of Pharmacology, University of California, San Diego, La Jolla, CA, USA
| | - Adam Mark
- Center for Computational Biology & Bioinformatics, Department of Medicine, University of California, San Diego, La Jolla, CA, USA
| | - Åsa B Gustafsson
- Skaggs School of Pharmacy and Pharmaceutical Sciences, Department of Pharmacology, University of California, San Diego, La Jolla, CA, USA.
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10
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Benoit SM, Xu H, Schmid S, Alexandrova R, Kaur G, Thiruvahindrapuram B, Pereira SL, Jog M, Hebb MO. Expanding the search for genetic biomarkers of Parkinson's disease into the living brain. Neurobiol Dis 2020; 140:104872. [PMID: 32302674 DOI: 10.1016/j.nbd.2020.104872] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2020] [Revised: 04/06/2020] [Accepted: 04/13/2020] [Indexed: 12/12/2022] Open
Abstract
Altered gene expression related to Parkinson's Disease (PD) has not been described in the living brain, yet this information may support novel discovery pertinent to disease pathophysiology and treatment. This study compared the transcriptome in brain biopsies obtained from living PD and Control patients. To evaluate the novelty of this data, a comprehensive literature review also compared differentially expressed gene (DEGs) identified in the current study with those reported in PD cadaveric brain and peripheral tissues. RNA was extracted from rapidly cryopreserved frontal lobe specimens collected from PD and Control patients undergoing neurosurgical procedures. RNA sequencing (RNA-Seq) was performed and validated using quantitative polymerase chain reaction. DEG data was assessed using bioinformatics and subsequently included within a comparative analysis of PD RNA-Seq studies. 370 DEGs identified in living brain specimens reflected diverse gene groups and included key members of trophic signaling, apoptosis, inflammation and cell metabolism pathways. The comprehensive literature review yielded 7 RNA-Seq datasets generated from blood, skin and cadaveric brain but none from a living brain source. From the current dataset, 123 DEGs were identified only within the living brain and 267 DEGs were either newly found or had distinct directional change in living brain relative to other tissues. This is the first known study to analyze the transcriptome in brain tissue from living PD and Control patients. The data produced using these methods offer a unique, unexplored resource with potential to advance insight into the genetic associations of PD.
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Affiliation(s)
- Simon M Benoit
- Department of Clinical Neurological Sciences, Schulich School of Medicine and Dentistry, Western University, 339 Windermere Road, Suite C7-134, London N6A 5A5, Ontario, Canada
| | - Hu Xu
- Department of Clinical Neurological Sciences, Schulich School of Medicine and Dentistry, Western University, 339 Windermere Road, Suite C7-134, London N6A 5A5, Ontario, Canada
| | - Susanne Schmid
- Department of Anatomy and Cell Biology, Schulich School of Medicine & Dentistry, Western University, 1151 Richmond Street, Medical Sciences Building, Room 443, London N6A 3K7, Ontario, Canada
| | - Roumiana Alexandrova
- The Centre for Applied Genomics, The Hospital for Sick Children, Peter Gilgan Centre for Research and Learning, 656 Bay Street, Room 139800, Toronto M5G 0A4, Ontario, Canada
| | - Gaganjot Kaur
- The Centre for Applied Genomics, The Hospital for Sick Children, Peter Gilgan Centre for Research and Learning, 656 Bay Street, Room 139800, Toronto M5G 0A4, Ontario, Canada
| | - Bhooma Thiruvahindrapuram
- The Centre for Applied Genomics, The Hospital for Sick Children, Peter Gilgan Centre for Research and Learning, 656 Bay Street, Room 139800, Toronto M5G 0A4, Ontario, Canada
| | - Sergio L Pereira
- The Centre for Applied Genomics, The Hospital for Sick Children, Peter Gilgan Centre for Research and Learning, 656 Bay Street, Room 139800, Toronto M5G 0A4, Ontario, Canada
| | - Mandar Jog
- Department of Clinical Neurological Sciences, Schulich School of Medicine and Dentistry, Western University, 339 Windermere Road, Suite C7-134, London N6A 5A5, Ontario, Canada
| | - Matthew O Hebb
- Department of Clinical Neurological Sciences, Schulich School of Medicine and Dentistry, Western University, 339 Windermere Road, Suite C7-134, London N6A 5A5, Ontario, Canada; Department of Anatomy and Cell Biology, Schulich School of Medicine & Dentistry, Western University, 1151 Richmond Street, Medical Sciences Building, Room 443, London N6A 3K7, Ontario, Canada.
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11
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González-Casacuberta I, Juárez-Flores DL, Morén C, Garrabou G. Bioenergetics and Autophagic Imbalance in Patients-Derived Cell Models of Parkinson Disease Supports Systemic Dysfunction in Neurodegeneration. Front Neurosci 2019; 13:894. [PMID: 31551675 PMCID: PMC6748355 DOI: 10.3389/fnins.2019.00894] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2019] [Accepted: 08/09/2019] [Indexed: 12/14/2022] Open
Abstract
Parkinson's disease (PD) is the second most prevalent neurodegenerative disorder worldwide affecting 2-3% of the population over 65 years. This prevalence is expected to rise as life expectancy increases and diagnostic and therapeutic protocols improve. PD encompasses a multitude of clinical, genetic, and molecular forms of the disease. Even though the mechanistic of the events leading to neurodegeneration remain largely unknown, some molecular hallmarks have been repeatedly reported in most patients and models of the disease. Neuroinflammation, protein misfolding, disrupted endoplasmic reticulum-mitochondria crosstalk, mitochondrial dysfunction and consequent bioenergetic failure, oxidative stress and autophagy deregulation, are amongst the most commonly described. Supporting these findings, numerous familial forms of PD are caused by mutations in genes that are crucial for mitochondrial and autophagy proper functioning. For instance, late and early onset PD associated to mutations in Leucine-rich repeat kinase 2 (LRRK2) and Parkin (PRKN) genes, responsible for the most frequent dominant and recessive inherited forms of PD, respectively, have emerged as promising examples of disease due to their established role in commanding bioenergetic and autophagic balance. Concomitantly, the development of animal and cell models to investigate the etiology of the disease, potential biomarkers and therapeutic approaches are being explored. One of the emerging approaches in this context is the use of patient's derived cells models, such as skin-derived fibroblasts that preserve the genetic background and some environmental cues of the patients. An increasing number of reports in these PD cell models postulate that deficient mitochondrial function and impaired autophagic flux may be determinant in PD accelerated nigral cell death in terms of limitation of cell energy supply and accumulation of obsolete and/or unfolded proteins or dysfunctional organelles. The reliance of neurons on mitochondrial oxidative metabolism and their post-mitotic nature, may explain their increased vulnerability to undergo degeneration upon mitochondrial challenges or autophagic insults. In this scenario, proper mitochondrial function and turnover through mitophagy, are gaining in strength as protective targets to prevent neurodegeneration, together with the use of patient-derived fibroblasts to further explore these events. These findings point out the presence of molecular damage beyond the central nervous system (CNS) and proffer patient-derived cell platforms to the clinical and scientific community, which enable the study of disease etiopathogenesis and therapeutic approaches focused on modifying the natural history of PD through, among others, the enhancement of mitochondrial function and autophagy.
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Affiliation(s)
- Ingrid González-Casacuberta
- Muscle Research and Mitochondrial Function Laboratory, Cellex-IDIBAPS, Faculty of Medicine and Health Sciences-University of Barcelona, Internal Medicine Service-Hospital Clínic of Barcelona, Barcelona, Spain.,CIBERER-U722, Madrid, Spain
| | - Diana Luz Juárez-Flores
- Muscle Research and Mitochondrial Function Laboratory, Cellex-IDIBAPS, Faculty of Medicine and Health Sciences-University of Barcelona, Internal Medicine Service-Hospital Clínic of Barcelona, Barcelona, Spain.,CIBERER-U722, Madrid, Spain
| | - Constanza Morén
- Muscle Research and Mitochondrial Function Laboratory, Cellex-IDIBAPS, Faculty of Medicine and Health Sciences-University of Barcelona, Internal Medicine Service-Hospital Clínic of Barcelona, Barcelona, Spain.,CIBERER-U722, Madrid, Spain
| | - Gloria Garrabou
- Muscle Research and Mitochondrial Function Laboratory, Cellex-IDIBAPS, Faculty of Medicine and Health Sciences-University of Barcelona, Internal Medicine Service-Hospital Clínic of Barcelona, Barcelona, Spain.,CIBERER-U722, Madrid, Spain
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12
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Ezquerra M, Martí MJ, Fernández-Santiago R. Parkinson's disease as a systemic pathology. Aging (Albany NY) 2019; 11:1081-1082. [PMID: 30745469 PMCID: PMC6402515 DOI: 10.18632/aging.101824] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2018] [Accepted: 02/09/2019] [Indexed: 11/25/2022]
Affiliation(s)
- Mario Ezquerra
- Laboratory of Neurodegenerative Disorders, Department of Neurology-Hospital Clínic of Barcelona, IDIBAPS, UB, 08036 Barcelona, Catalonia.,Centro de Investigación Biomédica en Red de Enfermedades Neurodegenerativas (CIBERNED), Madrid 28031, Spain
| | - María-José Martí
- Laboratory of Neurodegenerative Disorders, Department of Neurology-Hospital Clínic of Barcelona, IDIBAPS, UB, 08036 Barcelona, Catalonia.,Centro de Investigación Biomédica en Red de Enfermedades Neurodegenerativas (CIBERNED), Madrid 28031, Spain
| | - Rubén Fernández-Santiago
- Laboratory of Neurodegenerative Disorders, Department of Neurology-Hospital Clínic of Barcelona, IDIBAPS, UB, 08036 Barcelona, Catalonia.,Centro de Investigación Biomédica en Red de Enfermedades Neurodegenerativas (CIBERNED), Madrid 28031, Spain
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13
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Juarez-Flores DL, Gonzalez-Casacuberta I, Garrabou G. Mitohormesis and autophagic balance in Parkinson disease. Aging (Albany NY) 2019; 11:301-302. [PMID: 30650065 PMCID: PMC6366984 DOI: 10.18632/aging.101779] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2018] [Accepted: 01/10/2019] [Indexed: 11/25/2022]
Affiliation(s)
- Diana Luz Juarez-Flores
- Muscle Research and Mitochondrial Function Laboratory, Cellex-IDIBAPS, Faculty of Medicine and Health Science, University of Barcelona, Internal Medicine Service, Hospital Clínic of Barcelona, Barcelona and CIBERER, Spain
| | - Ingrid Gonzalez-Casacuberta
- Muscle Research and Mitochondrial Function Laboratory, Cellex-IDIBAPS, Faculty of Medicine and Health Science, University of Barcelona, Internal Medicine Service, Hospital Clínic of Barcelona, Barcelona and CIBERER, Spain
| | - Gloria Garrabou
- Muscle Research and Mitochondrial Function Laboratory, Cellex-IDIBAPS, Faculty of Medicine and Health Science, University of Barcelona, Internal Medicine Service, Hospital Clínic of Barcelona, Barcelona and CIBERER, Spain
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14
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Alves da Costa C, Duplan E, Rouland L, Checler F. The Transcription Factor Function of Parkin: Breaking the Dogma. Front Neurosci 2019; 12:965. [PMID: 30697141 PMCID: PMC6341214 DOI: 10.3389/fnins.2018.00965] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2018] [Accepted: 12/03/2018] [Indexed: 01/19/2023] Open
Abstract
PRKN (PARK2) is a key gene involved in both familial and sporadic Parkinson’s disease that encodes parkin (PK). Since its discovery by the end of the 90s, both functional and more recently, structural studies led to a consensual view of PK as an E3 ligase only. It is generally considered that this function conditions the cellular load of a subset of cytosolic proteins prone to proteasomal degradation and that a loss of E3 ligase function triggers an accumulation of potentially toxic substrates and, consequently, a neuronal loss. Furthermore, PK molecular interplay with PTEN-induced kinase 1 (PINK1), a serine threonine kinase also involved in recessive cases of Parkinson’s disease, is considered to underlie the mitophagy process. Thus, since mitochondrial homeostasis significantly governs cell health, there is a huge interest of the scientific community centered on PK function. In 2009, we have demonstrated that PK could also act as a transcription factor (TF) and induces neuroprotection via the downregulation of the pro-apoptotic and tumor suppressor factor, p53. Importantly, the DNA-binding properties of PK and its nuclear localization suggested an important role in the control of several genes. The duality of PK subcellular localization and of its associated ubiquitin ligase and TF functions suggests that PK could behave as a key molecular modulator of various physiological cellular signaling pathways that could be disrupted in pathological contexts. Here, we update the current knowledge on PK direct and indirect TF-mediated control of gene expression.
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Affiliation(s)
- Cristine Alves da Costa
- Université Côte d'Azur, Institut National de la Santé et de la Recherche Médicale, Centre National de la Recherche Scientifique, IPMC, Team Labeled "Laboratory of Excellence (LABEX) DistAlz", Valbonne, France
| | - Eric Duplan
- Université Côte d'Azur, Institut National de la Santé et de la Recherche Médicale, Centre National de la Recherche Scientifique, IPMC, Team Labeled "Laboratory of Excellence (LABEX) DistAlz", Valbonne, France
| | - Lila Rouland
- Université Côte d'Azur, Institut National de la Santé et de la Recherche Médicale, Centre National de la Recherche Scientifique, IPMC, Team Labeled "Laboratory of Excellence (LABEX) DistAlz", Valbonne, France
| | - Frédéric Checler
- Université Côte d'Azur, Institut National de la Santé et de la Recherche Médicale, Centre National de la Recherche Scientifique, IPMC, Team Labeled "Laboratory of Excellence (LABEX) DistAlz", Valbonne, France
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