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Awad HH, Desouky MA, Zidan A, Bassem M, Qasem A, Farouk M, AlDeab H, Fouad M, Hany C, Basem N, Nader R, Alkalleny A, Reda V, George MY. Neuromodulatory effect of vardenafil on aluminium chloride/D-galactose induced Alzheimer's disease in rats: emphasis on amyloid-beta, p-tau, PI3K/Akt/p53 pathway, endoplasmic reticulum stress, and cellular senescence. Inflammopharmacology 2023; 31:2653-2673. [PMID: 37460908 PMCID: PMC10518298 DOI: 10.1007/s10787-023-01287-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2023] [Accepted: 06/27/2023] [Indexed: 09/26/2023]
Abstract
Dysregulation of protein homeostasis, proteostasis, is a distinctive hallmark of many neurodegenerative disorders and aging. Deleteriously, the accumulation of aberrant proteins in Alzheimer's disease (AD) is accompanied with a marked collapse in proteostasis network. The current study explored the potential therapeutic effect of vardenafil (VAR), a phosphodiesterase-5 inhibitor, in AlCl3/D-galactose (D-gal)-induced AD in rats and its possible underlying mechanisms. The impact of VAR treatment on neurobehavioral function, hippocampal tissue architecture, and the activity of the cholinergic system main enzymes were assessed utilizing VAR at doses of 0.3 mg/kg and 1 mg/kg. Additionally, the expression level of amyloid-beta and phosphorylated tau proteins in the hippocampus were figured out. Accordingly, VAR higher dose was selected to contemplate the possible underlying mechanisms. Intriguingly, VAR elevated the cyclic guanosine monophosphate level in the hippocampus and averted the repressed proteasome activity by AlCl3/D-gal; hence, VAR might alleviate the burden of toxic protein aggregates in AD. In addition, a substantial reduction in the activating transcription factor 6-mediated endoplasmic reticulum stress was demonstrated with VAR treatment. Notably, VAR counteracted the AlCl3/D-gal-induced depletion of nuclear factor erythroid 2-related factor 2 level. Moreover, the anti-senescence activity of VAR was demonstrated via its ability to restore the balance of the redox circuit. The modulation of phosphatidylinositol-3-kinase/protein kinase B/p53 pathway and the reduction of nuclear factor kappa B level, the key regulator of senescence-associated secretory phenotype mediators release, with VAR treatment were also elucidated. Altogether, these findings insinuate the possible therapeutic benefits of VAR in AD management.
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Affiliation(s)
- Heba H Awad
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, October University for Modern Sciences and Arts (MSA University), Cairo, Egypt
| | - Mahmoud A Desouky
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Ain Shams University, Cairo, 11566, Egypt
| | - Alaa Zidan
- Drug Design Program, Faculty of Pharmacy, Ain Shams University, Cairo, Egypt
| | - Mariam Bassem
- Drug Design Program, Faculty of Pharmacy, Ain Shams University, Cairo, Egypt
| | - Amaal Qasem
- Drug Design Program, Faculty of Pharmacy, Ain Shams University, Cairo, Egypt
| | - Mona Farouk
- Drug Design Program, Faculty of Pharmacy, Ain Shams University, Cairo, Egypt
| | - Haidy AlDeab
- Drug Design Program, Faculty of Pharmacy, Ain Shams University, Cairo, Egypt
| | - Miral Fouad
- Drug Design Program, Faculty of Pharmacy, Ain Shams University, Cairo, Egypt
| | - Cherry Hany
- Drug Design Program, Faculty of Pharmacy, Ain Shams University, Cairo, Egypt
| | - Nada Basem
- Drug Design Program, Faculty of Pharmacy, Ain Shams University, Cairo, Egypt
| | - Rita Nader
- Drug Design Program, Faculty of Pharmacy, Ain Shams University, Cairo, Egypt
| | - Ashrakat Alkalleny
- Drug Design Program, Faculty of Pharmacy, Ain Shams University, Cairo, Egypt
| | - Verina Reda
- Drug Design Program, Faculty of Pharmacy, Ain Shams University, Cairo, Egypt
| | - Mina Y George
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Ain Shams University, Cairo, 11566, Egypt.
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Britt HM, Cragnolini T, Thalassinos K. Integration of Mass Spectrometry Data for Structural Biology. Chem Rev 2021; 122:7952-7986. [PMID: 34506113 DOI: 10.1021/acs.chemrev.1c00356] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Mass spectrometry (MS) is increasingly being used to probe the structure and dynamics of proteins and the complexes they form with other macromolecules. There are now several specialized MS methods, each with unique sample preparation, data acquisition, and data processing protocols. Collectively, these methods are referred to as structural MS and include cross-linking, hydrogen-deuterium exchange, hydroxyl radical footprinting, native, ion mobility, and top-down MS. Each of these provides a unique type of structural information, ranging from composition and stoichiometry through to residue level proximity and solvent accessibility. Structural MS has proved particularly beneficial in studying protein classes for which analysis by classic structural biology techniques proves challenging such as glycosylated or intrinsically disordered proteins. To capture the structural details for a particular system, especially larger multiprotein complexes, more than one structural MS method with other structural and biophysical techniques is often required. Key to integrating these diverse data are computational strategies and software solutions to facilitate this process. We provide a background to the structural MS methods and briefly summarize other structural methods and how these are combined with MS. We then describe current state of the art approaches for the integration of structural MS data for structural biology. We quantify how often these methods are used together and provide examples where such combinations have been fruitful. To illustrate the power of integrative approaches, we discuss progress in solving the structures of the proteasome and the nuclear pore complex. We also discuss how information from structural MS, particularly pertaining to protein dynamics, is not currently utilized in integrative workflows and how such information can provide a more accurate picture of the systems studied. We conclude by discussing new developments in the MS and computational fields that will further enable in-cell structural studies.
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Affiliation(s)
- Hannah M Britt
- Institute of Structural and Molecular Biology, Division of Biosciences, University College London, London WC1E 6BT, United Kingdom
| | - Tristan Cragnolini
- Institute of Structural and Molecular Biology, Division of Biosciences, University College London, London WC1E 6BT, United Kingdom.,Institute of Structural and Molecular Biology, Birkbeck College, University of London, London WC1E 7HX, United Kingdom
| | - Konstantinos Thalassinos
- Institute of Structural and Molecular Biology, Division of Biosciences, University College London, London WC1E 6BT, United Kingdom.,Institute of Structural and Molecular Biology, Birkbeck College, University of London, London WC1E 7HX, United Kingdom
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Kulichkova VA, Artamonova TO, Lyublinskaya OG, Khodorkovskii MA, Tomilin AN, Tsimokha AS. Proteomic analysis of affinity-purified extracellular proteasomes reveals exclusively 20S complexes. Oncotarget 2017; 8:102134-102149. [PMID: 29254231 PMCID: PMC5731941 DOI: 10.18632/oncotarget.22230] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2017] [Accepted: 09/29/2017] [Indexed: 12/31/2022] Open
Abstract
Proteasome-mediated proteolysis is important for many basic cellular processes. In addition to their functions in the cell, proteasomes have been found in physiological fluids of both healthy and diseased humans including cancer patients. Higher levels of these proteasomes are associated with higher cancer burden and stage. The etiology and functions of these proteasomes, referred to as circulating, plasmatic, or extracellular proteasomes (ex-PSs), are unclear. Here we show that human cancer cell lines, as well as human endometrium-derived mesenchymal stem cells (hMESCs), release proteasome complexes into culture medium (CM). To define ex-PS composition, we have affinity purified them from CM conditioned by human leukemia cell line K562. Using matrix-assisted laser desorption/ionization (MALDI) Fourier transform ion cyclotron resonance (FT-ICR) mass spectrometry (MS), we have identified core 20S proteasome subunits and a set of 15 proteasome-interacting proteins (PIPs), all previously described as exosome cargo proteins. Three of them, PPIase A, aldolase A, and transferrin, have never been reported as PIPs. The study provides compelling arguments that ex-PSs do not contain 19S or PA200 regulatory particles and are represented exclusively by the 20S complex.
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Affiliation(s)
| | - Tatiana O. Artamonova
- Institute of Nanobiotechnologies, Peter the Great St-Petersburg Polytechnic University, St-Petersburg 195251, Russia
| | - Olga G. Lyublinskaya
- Institute of Cytology, Russian Academy of Sciences, St-Petersburg 194064, Russia
| | - Mikhail A. Khodorkovskii
- Institute of Nanobiotechnologies, Peter the Great St-Petersburg Polytechnic University, St-Petersburg 195251, Russia
| | - Alexey N. Tomilin
- Institute of Cytology, Russian Academy of Sciences, St-Petersburg 194064, Russia
- Institute of Translational Biomedicine, St-Petersburg State University, St-Petersburg 199034, Russia
| | - Anna S. Tsimokha
- Institute of Cytology, Russian Academy of Sciences, St-Petersburg 194064, Russia
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Tsimokha AS, Zaykova JJ, Bottrill A, Barlev NA. Extracellular Proteasomes Are Deficient in 19S Subunits as Revealed by iTRAQ Quantitative Proteomics. J Cell Physiol 2016; 232:842-851. [DOI: 10.1002/jcp.25492] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2016] [Accepted: 07/18/2016] [Indexed: 12/31/2022]
Affiliation(s)
- Anna S. Tsimokha
- Institute of Cytology; Russian Academy of Sciences; St. Petersburg Russia
| | - Julia J. Zaykova
- Institute of Cytology; Russian Academy of Sciences; St. Petersburg Russia
| | - Andrew Bottrill
- Department of Biochemistry; University of Leicester; Leicester United Kingdom
| | - Nikolai A. Barlev
- Institute of Cytology; Russian Academy of Sciences; St. Petersburg Russia
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Díaz-Ruiz A, Guzmán-Ruiz R, Moreno NR, García-Rios A, Delgado-Casado N, Membrives A, Túnez I, El Bekay R, Fernández-Real JM, Tovar S, Diéguez C, Tinahones FJ, Vázquez-Martínez R, López-Miranda J, Malagón MM. Proteasome Dysfunction Associated to Oxidative Stress and Proteotoxicity in Adipocytes Compromises Insulin Sensitivity in Human Obesity. Antioxid Redox Signal 2015; 23:597-612. [PMID: 25714483 PMCID: PMC4554552 DOI: 10.1089/ars.2014.5939] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
AIMS Obesity is characterized by a low-grade systemic inflammatory state and adipose tissue (AT) dysfunction, which predispose individuals to the development of insulin resistance (IR) and metabolic disease. However, a subset of obese individuals, referred to as metabolically healthy obese (MHO) individuals, are protected from obesity-associated metabolic abnormalities. Here, we aim at identifying molecular factors and pathways in adipocytes that are responsible for the progression from the insulin-sensitive to the insulin-resistant, metabolically unhealthy obese (MUHO) phenotype. RESULTS Proteomic analysis of paired samples of adipocytes from subcutaneous (SC) and omental (OM) human AT revealed that both types of cells are altered in the MUHO state. Specifically, the glutathione redox cycle and other antioxidant defense systems as well as the protein-folding machinery were dysregulated and endoplasmic reticulum stress was increased in adipocytes from IR subjects. Moreover, proteasome activity was also compromised in adipocytes of MUHO individuals, which was associated with enhanced accumulation of oxidized and ubiquitinated proteins in these cells. Proteasome activity was also impaired in adipocytes of diet-induced obese mice and in 3T3-L1 adipocytes exposed to palmitate. In line with these data, proteasome inhibition significantly impaired insulin signaling in 3T3-L1 adipocytes. INNOVATION This study provides the first evidence of the occurrence of protein homeostasis deregulation in adipocytes in human obesity, which, together with oxidative damage, interferes with insulin signaling in these cells. CONCLUSION Our results suggest that proteasomal dysfunction and impaired proteostasis in adipocytes, resulting from protein oxidation and/or misfolding, constitute major pathogenic mechanisms in the development of IR in obesity.
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Affiliation(s)
- Alberto Díaz-Ruiz
- 1 Department of Cell Biology, Physiology, and Immunology, Instituto Maimónides de Investigación Biomédica (IMIBIC)/Reina Sofia University Hospital/University of Córdoba , Córdoba, Spain .,2 CIBER Fisiopatología de la Obesidad y Nutrición (CIBERobn), Instituto de Salud Carlos III , Córdoba, Spain
| | - Rocío Guzmán-Ruiz
- 1 Department of Cell Biology, Physiology, and Immunology, Instituto Maimónides de Investigación Biomédica (IMIBIC)/Reina Sofia University Hospital/University of Córdoba , Córdoba, Spain .,2 CIBER Fisiopatología de la Obesidad y Nutrición (CIBERobn), Instituto de Salud Carlos III , Córdoba, Spain
| | - Natalia R Moreno
- 1 Department of Cell Biology, Physiology, and Immunology, Instituto Maimónides de Investigación Biomédica (IMIBIC)/Reina Sofia University Hospital/University of Córdoba , Córdoba, Spain .,2 CIBER Fisiopatología de la Obesidad y Nutrición (CIBERobn), Instituto de Salud Carlos III , Córdoba, Spain
| | - Antonio García-Rios
- 2 CIBER Fisiopatología de la Obesidad y Nutrición (CIBERobn), Instituto de Salud Carlos III , Córdoba, Spain .,3 Lipids and Atherosclerosis Unit, IMIBIC/Reina Sofia University Hospital/University of Córdoba , Córdoba, Spain
| | - Nieves Delgado-Casado
- 2 CIBER Fisiopatología de la Obesidad y Nutrición (CIBERobn), Instituto de Salud Carlos III , Córdoba, Spain .,3 Lipids and Atherosclerosis Unit, IMIBIC/Reina Sofia University Hospital/University of Córdoba , Córdoba, Spain
| | - Antonio Membrives
- 4 Unidad de Gestión Clínica de Cirugía General y Digestivo. Sección de Obesidad, IMIBIC/Reina Sofia University Hospital , Córdoba, Spain
| | - Isaac Túnez
- 5 Department of Biochemistry and Molecular Biology, IMIBIC/Reina Sofia University Hospital/University of Córdoba , Córdoba, Spain
| | - Rajaa El Bekay
- 2 CIBER Fisiopatología de la Obesidad y Nutrición (CIBERobn), Instituto de Salud Carlos III , Córdoba, Spain .,6 Biomedical Research Laboratory, Endocrinology Department, Hospital Virgen de la Victoria , Málaga, Spain
| | - José M Fernández-Real
- 2 CIBER Fisiopatología de la Obesidad y Nutrición (CIBERobn), Instituto de Salud Carlos III , Córdoba, Spain .,7 Department of Diabetes, Endocrinology and Nutrition, Institut d'Investigació Biomédica de Girona (IdIBGi) , Girona, Spain
| | - Sulay Tovar
- 2 CIBER Fisiopatología de la Obesidad y Nutrición (CIBERobn), Instituto de Salud Carlos III , Córdoba, Spain .,8 Department of Physiology, School of Medicine-CIMUS-Instituto de Investigaciones Sanitarias (IDIS), University of Santiago de Compostela , Santiago de Compostela, A Coruña, Spain
| | - Carlos Diéguez
- 2 CIBER Fisiopatología de la Obesidad y Nutrición (CIBERobn), Instituto de Salud Carlos III , Córdoba, Spain .,8 Department of Physiology, School of Medicine-CIMUS-Instituto de Investigaciones Sanitarias (IDIS), University of Santiago de Compostela , Santiago de Compostela, A Coruña, Spain
| | - Francisco J Tinahones
- 2 CIBER Fisiopatología de la Obesidad y Nutrición (CIBERobn), Instituto de Salud Carlos III , Córdoba, Spain .,6 Biomedical Research Laboratory, Endocrinology Department, Hospital Virgen de la Victoria , Málaga, Spain
| | - Rafael Vázquez-Martínez
- 1 Department of Cell Biology, Physiology, and Immunology, Instituto Maimónides de Investigación Biomédica (IMIBIC)/Reina Sofia University Hospital/University of Córdoba , Córdoba, Spain .,2 CIBER Fisiopatología de la Obesidad y Nutrición (CIBERobn), Instituto de Salud Carlos III , Córdoba, Spain
| | - José López-Miranda
- 2 CIBER Fisiopatología de la Obesidad y Nutrición (CIBERobn), Instituto de Salud Carlos III , Córdoba, Spain .,3 Lipids and Atherosclerosis Unit, IMIBIC/Reina Sofia University Hospital/University of Córdoba , Córdoba, Spain
| | - María M Malagón
- 1 Department of Cell Biology, Physiology, and Immunology, Instituto Maimónides de Investigación Biomédica (IMIBIC)/Reina Sofia University Hospital/University of Córdoba , Córdoba, Spain .,2 CIBER Fisiopatología de la Obesidad y Nutrición (CIBERobn), Instituto de Salud Carlos III , Córdoba, Spain
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Fabre B, Lambour T, Garrigues L, Amalric F, Vigneron N, Menneteau T, Stella A, Monsarrat B, Van den Eynde B, Burlet-Schiltz O, Bousquet-Dubouch MP. Deciphering preferential interactions within supramolecular protein complexes: the proteasome case. Mol Syst Biol 2015; 11:771. [PMID: 25561571 PMCID: PMC4332148 DOI: 10.15252/msb.20145497] [Citation(s) in RCA: 58] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
In eukaryotic cells, intracellular protein breakdown is mainly performed by the ubiquitin-proteasome system. Proteasomes are supramolecular protein complexes formed by the association of multiple sub-complexes and interacting proteins. Therefore, they exhibit a very high heterogeneity whose function is still not well understood. Here, using a newly developed method based on the combination of affinity purification and protein correlation profiling associated with high-resolution mass spectrometry, we comprehensively characterized proteasome heterogeneity and identified previously unknown preferential associations within proteasome sub-complexes. In particular, we showed for the first time that the two main proteasome subtypes, standard proteasome and immunoproteasome, interact with a different subset of important regulators. This trend was observed in very diverse human cell types and was confirmed by changing the relative proportions of both 20S proteasome forms using interferon-γ. The new method developed here constitutes an innovative and powerful strategy that could be broadly applied for unraveling the dynamic and heterogeneous nature of other biologically relevant supramolecular protein complexes.
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Affiliation(s)
- Bertrand Fabre
- CNRS IPBS (Institut de Pharmacologie et de Biologie Structurale), Toulouse, France Université de Toulouse UPS IPBS, Toulouse, France
| | - Thomas Lambour
- CNRS IPBS (Institut de Pharmacologie et de Biologie Structurale), Toulouse, France Université de Toulouse UPS IPBS, Toulouse, France
| | - Luc Garrigues
- CNRS IPBS (Institut de Pharmacologie et de Biologie Structurale), Toulouse, France Université de Toulouse UPS IPBS, Toulouse, France
| | - François Amalric
- CNRS IPBS (Institut de Pharmacologie et de Biologie Structurale), Toulouse, France Université de Toulouse UPS IPBS, Toulouse, France
| | - Nathalie Vigneron
- Ludwig Institute for Cancer Research, Brussels, Belgium WELBIO (Walloon Excellence in Life Sciences and Biotechnology), Brussels, Belgium de Duve Institute Université catholique de Louvain, Brussels, Belgium
| | - Thomas Menneteau
- CNRS IPBS (Institut de Pharmacologie et de Biologie Structurale), Toulouse, France Université de Toulouse UPS IPBS, Toulouse, France
| | - Alexandre Stella
- CNRS IPBS (Institut de Pharmacologie et de Biologie Structurale), Toulouse, France Université de Toulouse UPS IPBS, Toulouse, France
| | - Bernard Monsarrat
- CNRS IPBS (Institut de Pharmacologie et de Biologie Structurale), Toulouse, France Université de Toulouse UPS IPBS, Toulouse, France
| | - Benoît Van den Eynde
- Ludwig Institute for Cancer Research, Brussels, Belgium WELBIO (Walloon Excellence in Life Sciences and Biotechnology), Brussels, Belgium de Duve Institute Université catholique de Louvain, Brussels, Belgium
| | - Odile Burlet-Schiltz
- CNRS IPBS (Institut de Pharmacologie et de Biologie Structurale), Toulouse, France Université de Toulouse UPS IPBS, Toulouse, France
| | - Marie-Pierre Bousquet-Dubouch
- CNRS IPBS (Institut de Pharmacologie et de Biologie Structurale), Toulouse, France Université de Toulouse UPS IPBS, Toulouse, France
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Drews O, Taegtmeyer H. Targeting the ubiquitin-proteasome system in heart disease: the basis for new therapeutic strategies. Antioxid Redox Signal 2014; 21:2322-43. [PMID: 25133688 PMCID: PMC4241867 DOI: 10.1089/ars.2013.5823] [Citation(s) in RCA: 52] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
SIGNIFICANCE Novel therapeutic strategies to treat heart failure are greatly needed. The ubiquitin-proteasome system (UPS) affects the structure and function of cardiac cells through targeted degradation of signaling and structural proteins. This review discusses both beneficial and detrimental consequences of modulating the UPS in the heart. RECENT ADVANCES Proteasome inhibitors were first used to test the role of the UPS in cardiac disease phenotypes, indicating therapeutic potential. In early cardiac remodeling and pathological hypertrophy with increased proteasome activities, proteasome inhibition prevented or restricted disease progression and contractile dysfunction. Conversely, enhancing proteasome activities by genetic manipulation, pharmacological intervention, or ischemic preconditioning also improved the outcome of cardiomyopathies and infarcted hearts with impaired cardiac and UPS function, which is, at least in part, caused by oxidative damage. CRITICAL ISSUES An understanding of the UPS status and the underlying mechanisms for its potential deregulation in cardiac disease is critical for targeted interventions. Several studies indicate that type and stage of cardiac disease influence the dynamics of UPS regulation in a nonlinear and multifactorial manner. Proteasome inhibitors targeting all proteasome complexes are associated with cardiotoxicity in humans. Furthermore, the type and dosage of proteasome inhibitor impact the pathogenesis in nonuniform ways. FUTURE DIRECTIONS Systematic analysis and targeting of individual UPS components with established and innovative tools will unravel and discriminate regulatory mechanisms that contribute to and protect against the progression of cardiac disease. Integrating this knowledge in drug design may reduce adverse effects on the heart as observed in patients treated with proteasome inhibitors against noncardiac diseases, especially cancer.
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Affiliation(s)
- Oliver Drews
- 1 Division of Cardiovascular Physiology, Institute of Physiology and Pathophysiology , Heidelberg University, Heidelberg, Germany
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