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Dhiman S, Mannan A, Taneja A, Mohan M, Singh TG. Sirtuin dysregulation in Parkinson's disease: Implications of acetylation and deacetylation processes. Life Sci 2024; 342:122537. [PMID: 38428569 DOI: 10.1016/j.lfs.2024.122537] [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: 01/03/2024] [Revised: 02/16/2024] [Accepted: 02/23/2024] [Indexed: 03/03/2024]
Abstract
Parkinson's disease (PD) is a progressive neurodegenerative condition that primarily affects motor function and is caused by a gradual decline of dopaminergic neurons in the brain's substantia pars compacta (Snpc) region. Multiple molecular pathways are involved in the pathogenesis, which results in impaired cellular functions and neuronal degeneration. However, the role of sirtuins, a type of NAD+-dependent deacetylase, in the pathogenesis of Parkinson's disease has recently been investigated. Sirtuins are essential for preserving cellular homeostasis because they control a number of biological processes, such as metabolism, apoptosis, and DNA repair. This review shed lights on the dysregulation of sirtuin activity in PD, highlighting the role that acetylation and deacetylation processes play in the development of the disease. Key regulators of protein acetylation, sirtuins have been found to be involved in the aberrant acetylation of vital substrates linked to PD pathology when their balance is out of balance. The hallmark characteristics of PD such as neuroinflammation, oxidative stress, and mitochondrial dysfunction have all been linked to the dysregulation of sirtuin expression and activity. Furthermore, we have also explored how the modulators of sirtuins can be a promising therapeutic intervention in the treatment of PD.
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Affiliation(s)
- Sonia Dhiman
- Chitkara College of Pharmacy, Chitkara University, Rajpura, 140401, Punjab, India
| | - Ashi Mannan
- Chitkara College of Pharmacy, Chitkara University, Rajpura, 140401, Punjab, India
| | - Ayushi Taneja
- Chitkara College of Pharmacy, Chitkara University, Rajpura, 140401, Punjab, India
| | - Maneesh Mohan
- Chitkara College of Pharmacy, Chitkara University, Rajpura, 140401, Punjab, India
| | - Thakur Gurjeet Singh
- Chitkara College of Pharmacy, Chitkara University, Rajpura, 140401, Punjab, India.
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Kulkarni A, Preeti K, Tryphena KP, Srivastava S, Singh SB, Khatri DK. Proteostasis in Parkinson's disease: Recent development and possible implication in diagnosis and therapeutics. Ageing Res Rev 2023; 84:101816. [PMID: 36481490 DOI: 10.1016/j.arr.2022.101816] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2022] [Revised: 11/27/2022] [Accepted: 12/02/2022] [Indexed: 12/12/2022]
Abstract
The protein dyshomeostasis is identified as the hallmark of many age-related neurodegenerative disorders including Parkinson's disease (PD). The diseased brain shows the deposition of Lewy bodies composed of α-synuclein protein aggregates. Functional proteostasis is characterized by the well-coordinated signaling network constituting unfolded protein response (UPR), the ubiquitin-proteasome system (UPS), and the autophagy-lysosome pathway (ALP). These networks ensure proper synthesis, folding, confirmation, and degradation of protein i.e., α-synuclein protein in PD. The proper functioning the of intricately woven proteostasis network is quite resilient to sustain under the influence of stressors. The synuclein protein turnover is hugely influenced by the autosomal dominant, recessive, and X-linked mutational changes of a gene involved in UPR, UPS, and ALP. The methylation, acetylation-related epigenetic modifications of DNA and histone proteins along with microRNA-mediated transcriptional changes also lead to extensive proteostasis dysregulation. The result of defective proteostasis is the deposition of many proteins which start appearing in the biofluids and can be identified as potential biomarkers for early diagnosis of PD. The therapeutic intervention targeted at different strata of proteostasis machinery holds great possibilities for delaying the age-related accumulation of pathological hallmarks.
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Affiliation(s)
- Amrita Kulkarni
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education, and Research (NIPER), Hyderabad, Telangana 500037, India
| | - Kumari Preeti
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education, and Research (NIPER), Hyderabad, Telangana 500037, India
| | - Kamatham Pushpa Tryphena
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education, and Research (NIPER), Hyderabad, Telangana 500037, India
| | - Saurabh Srivastava
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad, Telangana 500037, India
| | - Shashi Bala Singh
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education, and Research (NIPER), Hyderabad, Telangana 500037, India
| | - Dharmendra Kumar Khatri
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education, and Research (NIPER), Hyderabad, Telangana 500037, India.
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Sirtuins and Autophagy in Age-Associated Neurodegenerative Diseases: Lessons from the C. elegans Model. Int J Mol Sci 2021; 22:ijms222212263. [PMID: 34830158 PMCID: PMC8619060 DOI: 10.3390/ijms222212263] [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: 09/24/2021] [Revised: 11/06/2021] [Accepted: 11/10/2021] [Indexed: 11/17/2022] Open
Abstract
Age-associated neurodegenerative diseases are known to have "impaired protein clearance" as one of the key features causing their onset and progression. Hence, homeostasis is the key to maintaining balance throughout the cellular system as an organism ages. Any imbalance in the protein clearance machinery is responsible for accumulation of unwanted proteins, leading to pathological consequences-manifesting in neurodegeneration and associated debilitating outcomes. Multiple processes are involved in regulating this phenomenon; however, failure to regulate the autophagic machinery is a critical process that hampers the protein clearing pathway, leading to neurodegeneration. Another important and widely known component that plays a role in modulating neurodegeneration is a class of proteins called sirtuins. These are class III histone deacetylases (HDACs) that are known to regulate various vital processes such as longevity, genomic stability, transcription and DNA repair. These enzymes are also known to modulate neurodegeneration in an autophagy-dependent manner. Considering its genetic relevance and ease of studying disease-related endpoints in neurodegeneration, the model system Caenorhabditis elegans has been successfully employed in deciphering various functional outcomes related to critical protein molecules, cell death pathways and their association with ageing. This review summarizes the vital role of sirtuins and autophagy in ageing and neurodegeneration, in particular highlighting the knowledge obtained using the C. elegans model system.
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Caloric restriction rescues yeast cells from alpha-synuclein toxicity through autophagic control of proteostasis. Aging (Albany NY) 2019; 10:3821-3833. [PMID: 30530923 PMCID: PMC6326672 DOI: 10.18632/aging.101675] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2018] [Accepted: 11/18/2018] [Indexed: 01/31/2023]
Abstract
α-Synuclein (SNCA) is a presynaptic protein that is associated with the pathophysiology of synucleinopathies, including Parkinson's disease. SNCA is a naturally aggregation-prone protein, which may be degraded by the ubiquitin-proteasome system (UPS) and by lysosomal degradation pathways. Besides being a target of the proteolytic systems, SNCA can also alter the function of these pathways further, contributing to the progression of neurodegeneration. Deterioration of UPS and autophagy activities with aging further aggravates this toxic cycle. Caloric restriction (CR) is still the most effective non-genetic intervention promoting lifespan extension. It is known that CR-mediated lifespan extension is linked to the regulation of proteolytic systems, but the mechanisms underlying CR rescue of SNCA toxicity remain poorly understood. This study shows that CR balances UPS and autophagy activities during aging. CR enhances UPS activity, reversing the decline of the UPS activity promoted by SNCA, and keeps autophagy at homeostatic levels. Maintenance of autophagy at homeostatic levels appears to be relevant for UPS activity and for the mechanism underlying rescue of cells from SNCA-mediated toxicity by CR.
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Sampaio‐Marques B, Guedes A, Vasilevskiy I, Gonçalves S, Outeiro TF, Winderickx J, Burhans WC, Ludovico P. α-Synuclein toxicity in yeast and human cells is caused by cell cycle re-entry and autophagy degradation of ribonucleotide reductase 1. Aging Cell 2019; 18:e12922. [PMID: 30977294 PMCID: PMC6612645 DOI: 10.1111/acel.12922] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2018] [Revised: 12/21/2018] [Accepted: 01/20/2019] [Indexed: 12/22/2022] Open
Abstract
α‐Synuclein (aSyn) toxicity is associated with cell cycle alterations, activation of DNA damage responses (DDR), and deregulation of autophagy. However, the relationships between these phenomena remain largely unknown. Here, we demonstrate that in a yeast model of aSyn toxicity and aging, aSyn expression induces Ras2‐dependent growth signaling, cell cycle re‐entry, DDR activation, autophagy, and autophagic degradation of ribonucleotide reductase 1 (Rnr1), a protein required for the activity of ribonucleotide reductase and dNTP synthesis. These events lead to cell death and aging, which are abrogated by deleting RAS2, inhibiting DDR or autophagy, or overexpressing RNR1. aSyn expression in human H4 neuroglioma cells also induces cell cycle re‐entry and S‐phase arrest, autophagy, and degradation of RRM1, the human homologue of RNR1, and inhibiting autophagic degradation of RRM1 rescues cells from cell death. Our findings represent a model for aSyn toxicity that has important implications for understanding synucleinopathies and other age‐related neurodegenerative diseases.
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Affiliation(s)
- Belém Sampaio‐Marques
- School of Medicine, Life and Health Sciences Research Institute (ICVS) University of Minho Braga Portugal
- ICVS/3B’s ‐ PT Government Associate Laboratory Guimarães Portugal
| | - Ana Guedes
- School of Medicine, Life and Health Sciences Research Institute (ICVS) University of Minho Braga Portugal
- ICVS/3B’s ‐ PT Government Associate Laboratory Guimarães Portugal
| | - Igor Vasilevskiy
- School of Medicine, Life and Health Sciences Research Institute (ICVS) University of Minho Braga Portugal
- ICVS/3B’s ‐ PT Government Associate Laboratory Guimarães Portugal
| | - Susana Gonçalves
- Faculdade de Ciências Médicas, CEDOC – Chronic Diseases Research Center Universidade Nova de Lisboa Lisboa Portugal
| | - Tiago F. Outeiro
- Faculdade de Ciências Médicas, CEDOC – Chronic Diseases Research Center Universidade Nova de Lisboa Lisboa Portugal
- Department of Experimental Neurodegeneration, Center for Nanoscale Microscopy and Molecular Physiology of the Brain (CNMPB) University Medical Center Göttingen Göttingen Germany
- Center for Biostructural Imaging of Neurodegeneration Göttingen Germany
- Max Planck Institute for Experimental Medicine Göttingen Germany
| | | | - William C. Burhans
- Department of Molecular and Cellular Biology Roswell Park Cancer Institute Buffalo New York
| | - Paula Ludovico
- School of Medicine, Life and Health Sciences Research Institute (ICVS) University of Minho Braga Portugal
- ICVS/3B’s ‐ PT Government Associate Laboratory Guimarães Portugal
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Yeast at the Forefront of Research on Ageing and Age-Related Diseases. PROGRESS IN MOLECULAR AND SUBCELLULAR BIOLOGY 2019; 58:217-242. [PMID: 30911895 DOI: 10.1007/978-3-030-13035-0_9] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Ageing is a complex and multifactorial process driven by genetic, environmental and stochastic factors that lead to the progressive decline of biological systems. Mechanisms of ageing have been extensively investigated in various model organisms and systems generating fundamental advances. Notably, studies on yeast ageing models have made numerous and relevant contributions to the progress in the field. Different longevity factors and pathways identified in yeast have then been shown to regulate molecular ageing in invertebrate and mammalian models. Currently the best candidates for anti-ageing drugs such as spermidine and resveratrol or anti-ageing interventions such as caloric restriction were first identified and explored in yeast. Yeasts have also been instrumental as models to study the cellular and molecular effects of proteins associated with age-related diseases such as Parkinson's, Huntington's or Alzheimer's diseases. In this chapter, a review of the advances on ageing and age-related diseases research in yeast models will be made. Particular focus will be placed on key longevity factors, ageing hallmarks and interventions that slow ageing, both yeast-specific and those that seem to be conserved in multicellular organisms. Their impact on the pathogenesis of age-related diseases will be also discussed.
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Cellular proteostasis: degradation of misfolded proteins by lysosomes. Essays Biochem 2017; 60:173-180. [PMID: 27744333 PMCID: PMC5065703 DOI: 10.1042/ebc20160005] [Citation(s) in RCA: 95] [Impact Index Per Article: 13.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2016] [Accepted: 04/29/2016] [Indexed: 12/16/2022]
Abstract
Proteostasis refers to the regulation of the cellular concentration, folding, interactions and localization of each of the proteins that comprise the proteome. One essential element of proteostasis is the disposal of misfolded proteins by the cellular pathways of protein degradation. Lysosomes are an important site for the degradation of misfolded proteins, which are trafficked to this organelle by the pathways of macroautophagy, chaperone-mediated autophagy and endocytosis. Conversely, amyloid diseases represent a failure in proteostasis, in which proteins misfold, forming amyloid deposits that are not degraded effectively by cells. Amyloid may then exacerbate this failure by disrupting autophagy and lysosomal proteolysis. However, targeting the pathways that regulate autophagy and the biogenesis of lysosomes may present approaches that can rescue cells from the deleterious effects of amyloidogenic proteins.
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Marinelli L, Trompetto C, Ghilardi MF. Brain temperature as a measure of misfolded proteins metabolism. Med Hypotheses 2017; 101:11. [PMID: 28351481 DOI: 10.1016/j.mehy.2017.02.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2016] [Revised: 01/31/2017] [Accepted: 02/05/2017] [Indexed: 11/19/2022]
Affiliation(s)
- Lucio Marinelli
- Department of Neuroscience, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health, University of Genova, Largo Daneo 3, 16132 Genova, Italy.
| | - Carlo Trompetto
- Department of Neuroscience, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health, University of Genova, Largo Daneo 3, 16132 Genova, Italy
| | - Maria Felice Ghilardi
- Department of Physiology, Pharmacology and Neuroscience, City University of New York Medical School, New York, NY, United States
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Corpas R, Revilla S, Ursulet S, Castro-Freire M, Kaliman P, Petegnief V, Giménez-Llort L, Sarkis C, Pallàs M, Sanfeliu C. SIRT1 Overexpression in Mouse Hippocampus Induces Cognitive Enhancement Through Proteostatic and Neurotrophic Mechanisms. Mol Neurobiol 2016; 54:5604-5619. [PMID: 27614878 DOI: 10.1007/s12035-016-0087-9] [Citation(s) in RCA: 68] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2016] [Accepted: 08/26/2016] [Indexed: 01/08/2023]
Abstract
SIRT1 induces cell survival and has shown neuroprotection against amyloid and tau pathologies in Alzheimer's disease (AD). However, protective effects against memory loss or the enhancement of cognitive functions have not yet been proven. We aimed to investigate the benefits induced by SIRT1 overexpression in the hippocampus of the AD mouse model 3xTg-AD and in control non-transgenic mice. A lentiviral vector encoding mouse SIRT1 or GFP, selectively transducing neurons, was injected into the dorsal CA1 hippocampal area of 4-month-old mice. Six-month overexpression of SIRT1 fully preserved learning and memory in 10-month-old 3xTg-AD mice. Remarkably, SIRT1 also induced cognitive enhancement in healthy non-transgenic mice. Neuron cultures of 3xTg-AD mice, which show traits of AD-like pathology, and neuron cultures from non-transgenic mice were also transduced with lentiviral vectors to analyze beneficial SIRT1 mechanisms. We uncovered novel pathways of SIRT1 neuroprotection through enhancement of cell proteostatic mechanisms and activation of neurotrophic factors not previously reported such as GDNF, present in both AD-like and healthy neurons. Therefore, SIRT1 may increase neuron function and resilience against AD.
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Affiliation(s)
- Rubén Corpas
- Institut d'Investigacions Biomèdiques de Barcelona (IIBB) - CSIC, C/Rosselló 161, 6th floor, 08036, Barcelona, Spain
| | - Susana Revilla
- Institut d'Investigacions Biomèdiques de Barcelona (IIBB) - CSIC, C/Rosselló 161, 6th floor, 08036, Barcelona, Spain
| | | | - Marco Castro-Freire
- Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), 08036, Barcelona, Spain
| | - Perla Kaliman
- Institut d'Investigacions Biomèdiques de Barcelona (IIBB) - CSIC, C/Rosselló 161, 6th floor, 08036, Barcelona, Spain
| | - Valérie Petegnief
- Institut d'Investigacions Biomèdiques de Barcelona (IIBB) - CSIC, C/Rosselló 161, 6th floor, 08036, Barcelona, Spain
| | - Lydia Giménez-Llort
- Department of Psychiatry and Forensic Medicine, Universitat Autònoma de Barcelona, 08193, Bellaterra, Spain
| | | | - Mercè Pallàs
- Facultat de Farmàcia, Institut de Neurociències, Universitat de Barcelona and CIBERNED, 08028, Barcelona, Spain
| | - Coral Sanfeliu
- Institut d'Investigacions Biomèdiques de Barcelona (IIBB) - CSIC, C/Rosselló 161, 6th floor, 08036, Barcelona, Spain. .,Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), 08036, Barcelona, Spain.
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Kim E, Wang B, Sastry N, Masliah E, Nelson PT, Cai H, Liao FF. NEDD4-mediated HSF1 degradation underlies α-synucleinopathy. Hum Mol Genet 2015; 25:211-22. [PMID: 26503960 PMCID: PMC4706110 DOI: 10.1093/hmg/ddv445] [Citation(s) in RCA: 64] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2015] [Accepted: 10/19/2015] [Indexed: 11/13/2022] Open
Abstract
Cellular protein homeostasis is achieved by a delicate network of molecular chaperones and various proteolytic processes such as ubiquitin–proteasome system (UPS) to avoid a build-up of misfolded protein aggregates. The latter is a common denominator of neurodegeneration. Neurons are found to be particularly vulnerable to toxic stress from aggregation-prone proteins such as α-synuclein. Induction of heat-shock proteins (HSPs), such as through activated heat shock transcription factor 1 (HSF1) via Hsp90 inhibition, is being investigated as a therapeutic option for proteinopathic diseases. HSF1 is a master stress-protective transcription factor which activates genes encoding protein chaperones (e.g. iHsp70) and anti-apoptotic proteins. However, whether and how HSF1 is dysregulated during neurodegeneration has not been studied. Here, we discover aberrant HSF1 degradation by aggregated α-synuclein (or α-synuclein-induced proteotoxic stress) in transfected neuroblastoma cells. HSF1 dysregulation via α-synuclein was confirmed by in vivo assessment of mouse and in situ studies of human specimens with α-synucleinopathy. We demonstrate that elevated NEDD4 is implicated as the responsible ubiquitin E3 ligase for HSF1 degradation through UPS. Furthermore, pharmacologically induced SIRT1-mediated deacetylation can attenuate aberrant NEDD4-mediated HSF1 degradation. Indeed, we define the acetylation status of the Lys 80 residue located in the DNA-binding domain of HSF1 as a critical factor in modulating HSF1 protein stability in addition to its previously identified role in the transcriptional activity. Together with the finding that preserving HSF1 can alleviate α-synuclein toxicity, this study strongly suggests that aberrant HSF1 degradation is a key neurodegenerative mechanism underlying α-synucleinopathy.
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Affiliation(s)
- Eunhee Kim
- Department of Pharmacology and Department of Anatomy and Neurobiology, University of Tennessee Health Science Center, 874 Union Avenue/Crowe 401, Memphis, TN 38163, USA
| | - Bin Wang
- Department of Pharmacology and Department of Anatomy and Neurobiology, University of Tennessee Health Science Center, 874 Union Avenue/Crowe 401, Memphis, TN 38163, USA
| | - Namratha Sastry
- Transgenics Section, National Institute on Aging, National Institutes of Health, Bethesda, MD 20892, USA
| | - Eliezer Masliah
- Department of Neurosciences, University of California San Diego, La Jolla, CA 92093, USA
| | - Peter T Nelson
- Department of Neurology, Sanders-Brown Center on Aging, 800 South Limestone Street, Lexington, KY 40536, USA and
| | - Huaibin Cai
- Transgenics Section, National Institute on Aging, National Institutes of Health, Bethesda, MD 20892, USA
| | - Francesca-Fang Liao
- Department of Pharmacology and Department of Anatomy and Neurobiology, University of Tennessee Health Science Center, 874 Union Avenue/Crowe 401, Memphis, TN 38163, USA,
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