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Osmaniye D, Yuva O, Sağlık BN, Levent S, Ozkay Y, Kaplancıklı ZA. Design, synthesis, evaluation of biological activities and molecular docking and dynamic studies of novel acetazolamide analog compounds. J Biomol Struct Dyn 2024; 42:7243-7256. [PMID: 37490028 DOI: 10.1080/07391102.2023.2239930] [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: 03/18/2023] [Accepted: 07/16/2023] [Indexed: 07/26/2023]
Abstract
Modification of drugs used in the clinic is a frequently used method with regards to medicinal chemistry in the development of new drugs. Acetazolamide is a drug in clinical use as a CA inhibitor. Within the scope of this study, the 'N-(5-sulfamoyl-1,3,4-thiadiazol-2-yl) acetamide' structure, which is acetazolamide residue, was kept constant; various mercaptan substitutions were made from methylene adjacent to the carbonyl group in the structure. Compounds 4c, 4d, 4e, 4 g, 4h, 4i, and 4j exhibited inhibitor activity against CA enzyme with IC50=0.238 ± 0.010, 0.161 ± 0.007, 0.067 ± 0.002, 0.084 ± 0.003, 0.033 ± 0.001, 0.049 ± 0.002 and 0.187 ± 0.008 µM, respectively. The intermolecular interactions of the promising compounds with aromatase enzyme were investigated through the SP docking approach, which revealed significant binding interaction energies associated with these compounds. To measure the stability of the compounds in the enzyme active site, dynamic studies were performed at 100 ns. In addition to the RMSD, RMSF parameters, the interaction ratios of compound 4h with amino acids in the enzyme active site and the interaction histograms were also investigated. The results obtained are quite promising. Continuous interactions were exhibited with Thr199, Glu106, His96, His94 and His119, which are important for the CA enzyme.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Derya Osmaniye
- Department of Pharmaceutical Chemistry, Anadolu University, Eskişehir, Turkey
- Central Research Laboratory (MERLAB), Anadolu University, Eskişehir, Turkey
| | - Onur Yuva
- Department of Pharmaceutical Technology, Anadolu University, Eskişehir, Turkey
| | - Begüm Nurpelin Sağlık
- Department of Pharmaceutical Chemistry, Anadolu University, Eskişehir, Turkey
- Central Research Laboratory (MERLAB), Anadolu University, Eskişehir, Turkey
| | - Serkan Levent
- Department of Pharmaceutical Chemistry, Anadolu University, Eskişehir, Turkey
- Central Research Laboratory (MERLAB), Anadolu University, Eskişehir, Turkey
| | - Yusuf Ozkay
- Department of Pharmaceutical Chemistry, Anadolu University, Eskişehir, Turkey
- Central Research Laboratory (MERLAB), Anadolu University, Eskişehir, Turkey
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Tagliafico L, Da Costa RT, Boccia L, Kavehmoghaddam S, Ramirez B, Tokarska-Schlattner M, Scoma ER, Hambardikar V, Bonfiglio T, Caffa I, Monacelli F, Schlattner U, Betley JN, Nencioni A, Solesio ME. Short-term starvation activates AMPK and restores mitochondrial inorganic polyphosphate, but fails to reverse associated neuronal senescence. Aging Cell 2024:e14289. [PMID: 39102875 DOI: 10.1111/acel.14289] [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: 04/29/2024] [Revised: 06/18/2024] [Accepted: 07/18/2024] [Indexed: 08/07/2024] Open
Abstract
Neuronal senescence is a major risk factor for the development of many neurodegenerative disorders. The mechanisms that drive neurons to senescence remain largely elusive; however, dysregulated mitochondrial physiology seems to play a pivotal role in this process. Consequently, strategies aimed to preserve mitochondrial function may hold promise in mitigating neuronal senescence. For example, dietary restriction has shown to reduce senescence, via a mechanism that still remains far from being totally understood, but that could be at least partially mediated by mitochondria. Here, we address the role of mitochondrial inorganic polyphosphate (polyP) in the intersection between neuronal senescence and dietary restriction. PolyP is highly present in mammalian mitochondria; and its regulatory role in mammalian bioenergetics has already been described by us and others. Our data demonstrate that depletion of mitochondrial polyP exacerbates neuronal senescence, independently of whether dietary restriction is present. However, dietary restriction in polyP-depleted cells activates AMPK, and it restores some components of mitochondrial physiology, even if this is not sufficient to revert increased senescence. The effects of dietary restriction on polyP levels and AMPK activation are conserved in differentiated SH-SY5Y cells and brain tissue of male mice. Our results identify polyP as an important component in mitochondrial physiology at the intersection of dietary restriction and senescence, and they highlight the importance of the organelle in this intersection.
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Affiliation(s)
- Luca Tagliafico
- Department of Biology and Center for Computational and Integrative Biology, Rutgers University, Camden, New Jersey, USA
- Department of Internal Medicine and Medical Specialties (DIMI), University of Genoa, Genoa, Italy
| | - Renata T Da Costa
- Department of Biology and Center for Computational and Integrative Biology, Rutgers University, Camden, New Jersey, USA
| | - Lavinia Boccia
- Department of Biology, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Sheida Kavehmoghaddam
- Department of Biology and Center for Computational and Integrative Biology, Rutgers University, Camden, New Jersey, USA
| | - Bryan Ramirez
- Department of Biology and Center for Computational and Integrative Biology, Rutgers University, Camden, New Jersey, USA
| | | | - Ernest R Scoma
- Department of Biology and Center for Computational and Integrative Biology, Rutgers University, Camden, New Jersey, USA
| | - Vedangi Hambardikar
- Department of Biology and Center for Computational and Integrative Biology, Rutgers University, Camden, New Jersey, USA
| | - Tommaso Bonfiglio
- Department of Internal Medicine and Medical Specialties (DIMI), University of Genoa, Genoa, Italy
| | - Irene Caffa
- Department of Internal Medicine and Medical Specialties (DIMI), University of Genoa, Genoa, Italy
- IRCCS Ospedale Policlinico San Martino, Genoa, Italy
| | - Fiammetta Monacelli
- Department of Internal Medicine and Medical Specialties (DIMI), University of Genoa, Genoa, Italy
- IRCCS Ospedale Policlinico San Martino, Genoa, Italy
| | - Uwe Schlattner
- Laboratory of Fundamental and Applied Bioenergetics, Grenoble Alpes University, Saint-Martin-d'Hères, France
| | - J Nicholas Betley
- Department of Biology, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Alessio Nencioni
- Department of Internal Medicine and Medical Specialties (DIMI), University of Genoa, Genoa, Italy
- IRCCS Ospedale Policlinico San Martino, Genoa, Italy
| | - Maria E Solesio
- Department of Biology and Center for Computational and Integrative Biology, Rutgers University, Camden, New Jersey, USA
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3
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Da Costa RT, Urquiza P, Perez MM, Du Y, Khong ML, Zheng H, Guitart-Mampel M, Elustondo PA, Scoma ER, Hambardikar V, Ueberheide B, Tanner JA, Cohen A, Pavlov EV, Haynes CM, Solesio ME. Mitochondrial inorganic polyphosphate is required to maintain proteostasis within the organelle. Front Cell Dev Biol 2024; 12:1423208. [PMID: 39050895 PMCID: PMC11266304 DOI: 10.3389/fcell.2024.1423208] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2024] [Accepted: 06/07/2024] [Indexed: 07/27/2024] Open
Abstract
The existing literature points towards the presence of robust mitochondrial mechanisms aimed at mitigating protein dyshomeostasis within the organelle. However, the precise molecular composition of these mechanisms remains unclear. Our data show that inorganic polyphosphate (polyP), a polymer well-conserved throughout evolution, is a component of these mechanisms. In mammals, mitochondria exhibit a significant abundance of polyP, and both our research and that of others have already highlighted its potent regulatory effect on bioenergetics. Given the intimate connection between energy metabolism and protein homeostasis, the involvement of polyP in proteostasis has also been demonstrated in several organisms. For example, polyP is a bacterial primordial chaperone, and its role in amyloidogenesis has already been established. Here, using mammalian models, our study reveals that the depletion of mitochondrial polyP leads to increased protein aggregation within the organelle, following stress exposure. Furthermore, mitochondrial polyP is able to bind to proteins, and these proteins differ under control and stress conditions. The depletion of mitochondrial polyP significantly affects the proteome under both control and stress conditions, while also exerting regulatory control over gene expression. Our findings suggest that mitochondrial polyP is a previously unrecognized, and potent component of mitochondrial proteostasis.
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Affiliation(s)
- Renata T. Da Costa
- Department of Biology, College of Arts and Sciences, Rutgers University, Camden, NJ, United States
| | - Pedro Urquiza
- Department of Biology, College of Arts and Sciences, Rutgers University, Camden, NJ, United States
| | - Matheus M. Perez
- Department of Biology, College of Arts and Sciences, Rutgers University, Camden, NJ, United States
| | - YunGuang Du
- Department of Molecular, Cell, and Cancer Biology, University of Massachusetts Chan Medical School, Amherst, MA, United States
| | - Mei Li Khong
- School of Clinical Medicine, LKS Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong SAR, China
- School of Biomedical Sciences, LKS Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong SAR, China
| | - Haiyan Zheng
- Center for Advanced Biotechnology and Medicine, Rutgers University, New Brunswick, NJ, United States
| | - Mariona Guitart-Mampel
- Department of Biology, College of Arts and Sciences, Rutgers University, Camden, NJ, United States
| | - Pia A. Elustondo
- Biological Mass Spectrometry Core Facility, Faculty of Medicine, Dalhousie University, Halifax, NS, Canada
| | - Ernest R. Scoma
- Department of Biology, College of Arts and Sciences, Rutgers University, Camden, NJ, United States
| | - Vedangi Hambardikar
- Department of Biology, College of Arts and Sciences, Rutgers University, Camden, NJ, United States
| | - Beatrix Ueberheide
- Proteomics Laboratory, Division of Advanced Research Technologies, New York University-Grossman School of Medicine, New York City, NY, United States
| | - Julian A. Tanner
- School of Biomedical Sciences, LKS Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong SAR, China
- Materials Innovation Institute for Life Sciences and Energy (MILES), HKU-SIRI, Shenzhen, China
- Advanced Biomedical Instrumentation Centre, Hong Kong Science Park, Hong Kong SAR, China
| | - Alejandro Cohen
- Biological Mass Spectrometry Core Facility, Faculty of Medicine, Dalhousie University, Halifax, NS, Canada
| | - Evgeny V. Pavlov
- Department of Molecular Pathobiology, College of Dentistry, New York University, New York City, NY, United States
| | - Cole M. Haynes
- Department of Molecular, Cell, and Cancer Biology, University of Massachusetts Chan Medical School, Amherst, MA, United States
| | - Maria E. Solesio
- Department of Biology, College of Arts and Sciences, Rutgers University, Camden, NJ, United States
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Wójcik P, Jastrzębski MK, Zięba A, Matosiuk D, Kaczor AA. Caspases in Alzheimer's Disease: Mechanism of Activation, Role, and Potential Treatment. Mol Neurobiol 2024; 61:4834-4853. [PMID: 38135855 PMCID: PMC11236938 DOI: 10.1007/s12035-023-03847-1] [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: 09/22/2023] [Accepted: 11/29/2023] [Indexed: 12/24/2023]
Abstract
With the aging of the population, treatment of conditions emerging in old age, such as neurodegenerative disorders, has become a major medical challenge. Of these, Alzheimer's disease, leading to cognitive dysfunction, is of particular interest. Neuronal loss plays an important role in the pathophysiology of this condition, and over the years, a great effort has been made to determine the role of various factors in this process. Unfortunately, until now, the exact pathomechanism of this condition remains unknown. However, the most popular theories associate AD with abnormalities in the Tau and β-amyloid (Aβ) proteins, which lead to their deposition and result in neuronal death. Neurons, like all cells, die in a variety of ways, among which pyroptosis, apoptosis, and necroptosis are associated with the activation of various caspases. It is worth mentioning that Tau and Aβ proteins are considered to be one of the caspase activators, leading to cell death. Moreover, the protease activity of caspases influences both of the previously mentioned proteins, Tau and Aβ, converting them into more toxic derivatives. Due to the variety of ways caspases impact the development of AD, drugs targeting caspases could potentially be useful in the treatment of this condition. Therefore, there is a constant need to search for novel caspase inhibitors and evaluate them in preclinical and clinical trials.
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Affiliation(s)
- Piotr Wójcik
- Department of Synthesis and Chemical Technology of Pharmaceutical Substances with Computer Modeling Laboratory, Faculty of Pharmacy, Medical University of Lublin, 4A Chodzki St., 20093, Lublin, Poland.
| | - Michał K Jastrzębski
- Department of Synthesis and Chemical Technology of Pharmaceutical Substances with Computer Modeling Laboratory, Faculty of Pharmacy, Medical University of Lublin, 4A Chodzki St., 20093, Lublin, Poland
| | - Agata Zięba
- Department of Synthesis and Chemical Technology of Pharmaceutical Substances with Computer Modeling Laboratory, Faculty of Pharmacy, Medical University of Lublin, 4A Chodzki St., 20093, Lublin, Poland
| | - Dariusz Matosiuk
- Department of Synthesis and Chemical Technology of Pharmaceutical Substances with Computer Modeling Laboratory, Faculty of Pharmacy, Medical University of Lublin, 4A Chodzki St., 20093, Lublin, Poland
| | - Agnieszka A Kaczor
- Department of Synthesis and Chemical Technology of Pharmaceutical Substances with Computer Modeling Laboratory, Faculty of Pharmacy, Medical University of Lublin, 4A Chodzki St., 20093, Lublin, Poland.
- School of Pharmacy, University of Eastern Finland, Yliopistonranta 1, P.O. Box 1627, 70211, Kuopio, Finland.
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Giovannuzzi S, Chavarria D, Provensi G, Leri M, Bucciantini M, Carradori S, Bonardi A, Gratteri P, Borges F, Nocentini A, Supuran CT. Dual Inhibitors of Brain Carbonic Anhydrases and Monoamine Oxidase-B Efficiently Protect against Amyloid-β-Induced Neuronal Toxicity, Oxidative Stress, and Mitochondrial Dysfunction. J Med Chem 2024; 67:4170-4193. [PMID: 38436571 DOI: 10.1021/acs.jmedchem.4c00045] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/05/2024]
Abstract
We report here the first dual inhibitors of brain carbonic anhydrases (CAs) and monoamine oxidase-B (MAO-B) for the management of Alzheimer's disease. Classical CA inhibitors (CAIs) such as methazolamide prevent amyloid-β-peptide (Aβ)-induced overproduction of reactive oxygen species (ROS) and mitochondrial dysfunction. MAO-B is also implicated in ROS production, cholinergic system disruption, and amyloid plaque formation. In this work, we combined a reversible MAO-B inhibitor of the coumarin and chromone type with benzenesulfonamide fragments as highly effective CAIs. A hit-to-lead optimization led to a significant set of derivatives showing potent low nanomolar inhibition of the target brain CAs (KIs in the range of 0.1-90.0 nM) and MAO-B (IC50 in the range of 6.7-32.6 nM). Computational studies were conducted to elucidate the structure-activity relationship and predict ADMET properties. The most effective multitarget compounds totally prevented Aβ-related toxicity, reverted ROS formation, and restored the mitochondrial functionality in an SH-SY5Y cell model surpassing the efficacy of single-target drugs.
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Affiliation(s)
- Simone Giovannuzzi
- NEUROFARBA Department, Pharmaceutical and Nutraceutical Section, University of Florence, Via U. Schiff 6, Sesto Fiorentino, 50019 Florence, Italy
| | - Daniel Chavarria
- CIQUP-IMS, Department of Chemistry and Biochemistry, Faculty of Sciences, University of Porto, Rua do Campo Alegre s/n, 4169-007 Porto, Portugal
| | - Gustavo Provensi
- NEUROFARBA Department, Section of Pharmacology and Toxicology, University of Florence, via G. Pieraccini 6, 50139 Florence, Italy
| | - Manuela Leri
- Department of Experimental and Clinical Biomedical Sciences "Mario Serio", University of Florence, 50134 Florence, Italy
| | - Monica Bucciantini
- Department of Experimental and Clinical Biomedical Sciences "Mario Serio", University of Florence, 50134 Florence, Italy
| | - Simone Carradori
- Department of Pharmacy, "G. D'Annunzio" University of Chieti and Pescara, via dei Vestini 31, 66100 Chieti, Italy
| | - Alessandro Bonardi
- NEUROFARBA Department, Pharmaceutical and Nutraceutical Section, Laboratory of Molecular Modeling Cheminformatics & QSAR, University of Florence, Via U. Schiff 6, Sesto Fiorentino, 50019 Florence, Italy
| | - Paola Gratteri
- NEUROFARBA Department, Pharmaceutical and Nutraceutical Section, Laboratory of Molecular Modeling Cheminformatics & QSAR, University of Florence, Via U. Schiff 6, Sesto Fiorentino, 50019 Florence, Italy
| | - Fernanda Borges
- CIQUP-IMS, Department of Chemistry and Biochemistry, Faculty of Sciences, University of Porto, Rua do Campo Alegre s/n, 4169-007 Porto, Portugal
| | - Alessio Nocentini
- NEUROFARBA Department, Pharmaceutical and Nutraceutical Section, University of Florence, Via U. Schiff 6, Sesto Fiorentino, 50019 Florence, Italy
| | - Claudiu T Supuran
- NEUROFARBA Department, Pharmaceutical and Nutraceutical Section, University of Florence, Via U. Schiff 6, Sesto Fiorentino, 50019 Florence, Italy
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Kelly L, Brown C, Michalik D, Hawkes CA, Aldea R, Agarwal N, Salib R, Alzetani A, Ethell DW, Counts SE, de Leon M, Fossati S, Koronyo‐Hamaoui M, Piazza F, Rich SA, Wolters FJ, Snyder H, Ismail O, Elahi F, Proulx ST, Verma A, Wunderlich H, Haack M, Dodart JC, Mazer N, Carare RO. Clearance of interstitial fluid (ISF) and CSF (CLIC) group-part of Vascular Professional Interest Area (PIA), updates in 2022-2023. Cerebrovascular disease and the failure of elimination of Amyloid-β from the brain and retina with age and Alzheimer's disease: Opportunities for therapy. Alzheimers Dement 2024; 20:1421-1435. [PMID: 37897797 PMCID: PMC10917045 DOI: 10.1002/alz.13512] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2023] [Revised: 08/30/2023] [Accepted: 08/30/2023] [Indexed: 10/30/2023]
Abstract
This editorial summarizes advances from the Clearance of Interstitial Fluid and Cerebrospinal Fluid (CLIC) group, within the Vascular Professional Interest Area (PIA) of the Alzheimer's Association International Society to Advance Alzheimer's Research and Treatment (ISTAART). The overarching objectives of the CLIC group are to: (1) understand the age-related physiology changes that underlie impaired clearance of interstitial fluid (ISF) and cerebrospinal fluid (CSF) (CLIC); (2) understand the cellular and molecular mechanisms underlying intramural periarterial drainage (IPAD) in the brain; (3) establish novel diagnostic tests for Alzheimer's disease (AD), cerebral amyloid angiopathy (CAA), retinal amyloid vasculopathy, amyloid-related imaging abnormalities (ARIA) of spontaneous and iatrogenic CAA-related inflammation (CAA-ri), and vasomotion; and (4) establish novel therapies that facilitate IPAD to eliminate amyloid β (Aβ) from the aging brain and retina, to prevent or reduce AD and CAA pathology and ARIA side events associated with AD immunotherapy.
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Affiliation(s)
- Louise Kelly
- Faculty of MedicineUniversity of SouthamptonSouthamptonHampshireUK
| | | | - Daniel Michalik
- Faculty of MedicineUniversity of SouthamptonSouthamptonHampshireUK
| | | | - Roxana Aldea
- Roche Pharma Research & Early DevelopmentRoche Innovation Center BaselBaselSwitzerland
| | - Nivedita Agarwal
- Neuroradiology sectionScientific Institute IRCCS Eugenio MedeaBosisio Parini, LCItaly
| | - Rami Salib
- Faculty of MedicineUniversity of SouthamptonSouthamptonHampshireUK
| | - Aiman Alzetani
- Faculty of MedicineUniversity of SouthamptonSouthamptonHampshireUK
| | | | - Scott E. Counts
- Dept. Translational NeuroscienceDept. Family MedicineMichigan State UniversityGrand RapidsMichiganUSA
| | - Mony de Leon
- Brain Health Imaging InstituteDepartment of RadiologyWeill Cornell MedicineNew YorkNew YorkUSA
| | | | - Maya Koronyo‐Hamaoui
- Departments of NeurosurgeryNeurology, and Biomedical SciencesMaxine Dunitz Neurosurgical Research InstituteCedars‐Sinai Medical CenterLos AngelesCaliforniaUSA
| | | | | | | | - Heather Snyder
- Alzheimer's AssociationMedical & Scientific RelationsChicagoIllinoisUSA
| | - Ozama Ismail
- Icahn School of Medicine at Mount SinaiNew YorkNew YorkUSA
| | - Fanny Elahi
- Icahn School of Medicine at Mount SinaiNew YorkNew YorkUSA
| | | | - Ajay Verma
- Formation Venture Engineering FoundryTopsfieldMassachusettsUSA
| | | | | | | | | | - Roxana O. Carare
- Faculty of MedicineUniversity of SouthamptonSouthamptonHampshireUK
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Li JY, Sun XA, Wang X, Yang NH, Xie HY, Guo HJ, Lu L, Xie X, Zhou L, Liu J, Zhang W, Lu LM. PGAM5 exacerbates acute renal injury by initiating mitochondria-dependent apoptosis by facilitating mitochondrial cytochrome c release. Acta Pharmacol Sin 2024; 45:125-136. [PMID: 37684381 PMCID: PMC10770374 DOI: 10.1038/s41401-023-01151-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2023] [Accepted: 08/03/2023] [Indexed: 09/10/2023] Open
Abstract
Acute kidney injury (AKI) is a worldwide public health problem characterized by the massive loss of tubular cells. However, the precise mechanism for initiating tubular cell death has not been fully elucidated. Here, we reported that phosphoglycerate mutase 5 (PGAM5) was upregulated in renal tubular epithelial cells during ischaemia/reperfusion or cisplatin-induced AKI in mice. PGAM5 knockout significantly alleviated the activation of the mitochondria-dependent apoptosis pathway and tubular apoptosis. Apoptosis inhibitors alleviated the activation of the mitochondria-dependent apoptosis pathway. Mechanistically, as a protein phosphatase, PGAM5 could dephosphorylate Bax and facilitate Bax translocation to the mitochondrial membrane. The translocation of Bax to mitochondria increased membrane permeability, decreased mitochondrial membrane potential and facilitated the release of mitochondrial cytochrome c (Cyt c) into the cytoplasm. Knockdown of Bax attenuated PGAM5 overexpression-induced Cyt c release and tubular cell apoptosis. Our results demonstrated that the increase in PGAM5-mediated Bax dephosphorylation and mitochondrial translocation was implicated in the development of AKI by initiating mitochondrial Cyt c release and activating the mitochondria-dependent apoptosis pathway. Targeting this axis might be beneficial for alleviating AKI.
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Affiliation(s)
- Jing-Yao Li
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Fudan University, Shanghai, 200032, China
- Division of Nephrology, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, 639 Zhizaoju Road, Shanghai, 200011, China
| | - Xi-Ang Sun
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Fudan University, Shanghai, 200032, China
| | - Xin Wang
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Fudan University, Shanghai, 200032, China
| | - Ning-Hao Yang
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Fudan University, Shanghai, 200032, China
| | - Hong-Yan Xie
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Fudan University, Shanghai, 200032, China
| | - Heng-Jiang Guo
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Fudan University, Shanghai, 200032, China
| | - Li Lu
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Fudan University, Shanghai, 200032, China
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Dali University, Dali, Yunnan, 671013, China
| | - Xin Xie
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Fudan University, Shanghai, 200032, China
| | - Li Zhou
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Fudan University, Shanghai, 200032, China
| | - Jun Liu
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Fudan University, Shanghai, 200032, China
| | - Wei Zhang
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Fudan University, Shanghai, 200032, China.
| | - Li-Min Lu
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Fudan University, Shanghai, 200032, China.
- National Clinical Research Center for Aging and Medicine, Huashan Hospital, Fudan University, Shanghai, 200040, China.
- Shanghai Kidney Development and Pediatric Kidney Disease Research Center, Children's Hospital of Fudan University, Shanghai, 201102, China.
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8
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Da Costa RT, Riggs LM, Solesio ME. Inorganic polyphosphate and the regulation of mitochondrial physiology. Biochem Soc Trans 2023; 51:2153-2161. [PMID: 37955101 PMCID: PMC10842919 DOI: 10.1042/bst20230735] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2023] [Revised: 10/30/2023] [Accepted: 10/30/2023] [Indexed: 11/14/2023]
Abstract
Inorganic polyphosphate (polyP) is an ancient polymer that is well-conserved throughout evolution. It is formed by multiple subunits of orthophosphates linked together by phosphoanhydride bonds. The presence of these bonds, which are structurally similar to those found in ATP, and the high abundance of polyP in mammalian mitochondria, suggest that polyP could be involved in the regulation of the physiology of the organelle, especially in the energy metabolism. In fact, the scientific literature shows an unequivocal role for polyP not only in directly regulating oxidative a phosphorylation; but also in the regulation of reactive oxygen species metabolism, mitochondrial free calcium homeostasis, and the formation and opening of mitochondrial permeability transitions pore. All these processes are closely interconnected with the status of mitochondrial bioenergetics and therefore play a crucial role in maintaining mitochondrial and cell physiology. In this invited review, we discuss the main scientific literature regarding the regulatory role of polyP in mammalian mitochondrial physiology, placing a particular emphasis on its impact on energy metabolism. Although the effects of polyP on the physiology of the organelle are evident; numerous aspects, particularly within mammalian cells, remain unclear and require further investigation. These aspects encompass, for example, advancing the development of more precise analytical methods, unraveling the mechanism responsible for sensing polyP levels, and understanding the exact molecular mechanism that underlies the effects of polyP on mitochondrial physiology. By increasing our understanding of the biology of this ancient and understudied polymer, we could unravel new pharmacological targets in diseases where mitochondrial dysfunction, including energy metabolism dysregulation, has been broadly described.
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Affiliation(s)
- Renata T Da Costa
- Department of Biology; and Center for Computational and Integrative Biology (CCIB), Rutgers University, Camden, NJ, U.S.A
| | - Lindsey M Riggs
- Department of Biology; and Center for Computational and Integrative Biology (CCIB), Rutgers University, Camden, NJ, U.S.A
| | - Maria E Solesio
- Department of Biology; and Center for Computational and Integrative Biology (CCIB), Rutgers University, Camden, NJ, U.S.A
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9
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Anzovino A, Canepa E, Alves M, Lemon NL, Carare RO, Fossati S. Amyloid Beta Oligomers Activate Death Receptors and Mitochondria-Mediated Apoptotic Pathways in Cerebral Vascular Smooth Muscle Cells; Protective Effects of Carbonic Anhydrase Inhibitors. Cells 2023; 12:2840. [PMID: 38132159 PMCID: PMC10741628 DOI: 10.3390/cells12242840] [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: 11/10/2023] [Revised: 12/08/2023] [Accepted: 12/11/2023] [Indexed: 12/23/2023] Open
Abstract
Amyloid beta (Aβ) deposition within the brain vasculature is an early hallmark of Alzheimer's disease (AD), which triggers loss of brain vascular smooth muscle cells (BVSMCs) in cerebral arteries, via poorly understood mechanisms, altering cerebral blood flow, brain waste clearance, and promoting cognitive impairment. We have previously shown that, in brain endothelial cells (ECs), vasculotropic Aβ species induce apoptosis through death receptors (DRs) DR4 and DR5 and mitochondria-mediated mechanisms, while FDA-approved carbonic anhydrase inhibitors (CAIs) prevent mitochondria-mediated EC apoptosis in vitro and in vivo. In this study, we analyzed Aβ-induced extrinsic and intrinsic (DR- and mitochondria-mediated) apoptotic pathways in BVSMC, aiming to unveil new therapeutic targets to prevent BVSMC stress and death. We show that both apoptotic pathways are activated in BVSMCs by oligomeric Aβ42 and Aβ40-Q22 (AβQ22) and mitochondrial respiration is severely impaired. Importantly, the CAIs methazolamide (MTZ) and acetazolamide (ATZ) prevent the pro-apoptotic effects in BVSMCs, while reducing caspase 3 activation and Aβ deposition in the arterial walls of TgSwDI animals, a murine model of cerebral amyloid angiopathy (CAA). This study reveals new molecular targets and a promising therapeutic strategy against BVSMC dysfunction in AD, CAA, and ARIA (amyloid-related imaging abnormalities) complications of recently FDA-approved anti-Aβ antibodies.
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Affiliation(s)
- Amy Anzovino
- Alzheimer’s Center at Temple, Department of Neural Sciences, Lewis Katz School of Medicine, Temple University, 3500 N Broad St, Philadelphia, PA 19140, USA; (A.A.); (E.C.); (M.A.); (N.L.L.)
| | - Elisa Canepa
- Alzheimer’s Center at Temple, Department of Neural Sciences, Lewis Katz School of Medicine, Temple University, 3500 N Broad St, Philadelphia, PA 19140, USA; (A.A.); (E.C.); (M.A.); (N.L.L.)
| | - Micaelly Alves
- Alzheimer’s Center at Temple, Department of Neural Sciences, Lewis Katz School of Medicine, Temple University, 3500 N Broad St, Philadelphia, PA 19140, USA; (A.A.); (E.C.); (M.A.); (N.L.L.)
| | - Nicole L. Lemon
- Alzheimer’s Center at Temple, Department of Neural Sciences, Lewis Katz School of Medicine, Temple University, 3500 N Broad St, Philadelphia, PA 19140, USA; (A.A.); (E.C.); (M.A.); (N.L.L.)
| | - Roxana O. Carare
- Faculty of Medicine, University of Southampton, Southampton SO16 6YD, UK;
| | - Silvia Fossati
- Alzheimer’s Center at Temple, Department of Neural Sciences, Lewis Katz School of Medicine, Temple University, 3500 N Broad St, Philadelphia, PA 19140, USA; (A.A.); (E.C.); (M.A.); (N.L.L.)
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10
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Elseweidy MM, Mahrous M, Ali SI, Shaheen MA, Younis NN. Pentoxifylline as Add-On Treatment to Donepezil in Copper Sulphate-Induced Alzheimer's Disease-Like Neurodegeneration in Rats. Neurotox Res 2023; 41:546-558. [PMID: 37821782 PMCID: PMC10682165 DOI: 10.1007/s12640-023-00672-1] [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: 12/02/2022] [Revised: 09/21/2023] [Accepted: 09/27/2023] [Indexed: 10/13/2023]
Abstract
Alzheimer's disease (AD), the most common neurodegenerative disorder, is characterized by behavioral, cognitive, and progressive memory impairments. Extensive neuronal loss, extracellular accumulation of insoluble senile amyloid-β (Aβ) plaques, and intracellular neurofibrillary tangles (NFTs) are the major pathological features. The present study aimed to investigate the therapeutic effect of donepezil (DON) and pentoxifylline (PTX) in combination to combat the neurodegenerative disorders (experimental AD) induced by CuSO4 intake in experimental rats. Thirty adult male Wistar rats (140-160 g) were used in this study. AD was first induced in rats by CuSO4 supplement to drinking water (10 mg/L) for 14 weeks. The AD group received no further treatment. Oral treatment with DON (10 mg/kg/day), PTX (100 mg/kg/day), or DON + PTX for the other three groups was started from the 10th week of CuSO4 intake for 4 weeks. Cortex markers like acetylcholine (ACh), acetylcholinesterase (AChE), total antioxidant capacity (TAC), and malondialdehyde (MDA) and hippocampus markers like β-amyloid precursor protein cleaving enzyme 1 (BACE1), phosphorylated Tau (p-tau), Clusterin (CLU), tumor necrosis factor-α (TNF-α), caspase-9 (CAS-9), Bax, and Bcl-2 were measured. The histopathology studies were done by using hematoxylin and eosin and Congo red stains as well as immunohistochemistry for neurofilament. CuSO4 induced adverse histological and biochemical changes. The histological injury in the hippocampus was inhibited following the administration of the DON and PTX. The brain tissue levels of AChE, MDA, BACE1, p-tau, CLU, CAS-9, Bax, and TNF-α were significantly increased, while brain tissue levels of ACh, TAC, and Bcl-2 were significantly decreased in CuSO4-treated rats as compared with the untreated control group. The effects induced by either DON or PTX on most studied parameters were comparable. Combined treatment of DON and PTX induced remarkable results compared with their individual use. However, more clinical and preclinical studies are still required to further confirm and prove the long-term efficacy of such combination.
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Affiliation(s)
- Mohamed M Elseweidy
- Department of Biochemistry, Faculty of Pharmacy, Zagazig University, Zagazig, 44519, Egypt.
| | - Mohamed Mahrous
- Department of Biochemistry, Faculty of Pharmacy, Port-Said University, Port-Said, 42526, Egypt
| | - Sousou I Ali
- Department of Biochemistry, Faculty of Pharmacy, Zagazig University, Zagazig, 44519, Egypt
| | - Mohamed A Shaheen
- Department of Histology and Cell Biology, Faculty of Human Medicine, Zagazig University, Zagazig, 44519, Egypt
| | - Nahla N Younis
- Department of Biochemistry, Faculty of Pharmacy, Zagazig University, Zagazig, 44519, Egypt
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11
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Canepa E, Parodi-Rullan R, Vazquez-Torres R, Gamallo-Lana B, Guzman-Hernandez R, Lemon NL, Angiulli F, Debure L, Ilies MA, Østergaard L, Wisniewski T, Gutiérrez-Jiménez E, Mar AC, Fossati S. FDA-approved carbonic anhydrase inhibitors reduce amyloid β pathology and improve cognition, by ameliorating cerebrovascular health and glial fitness. Alzheimers Dement 2023; 19:5048-5073. [PMID: 37186121 PMCID: PMC10600328 DOI: 10.1002/alz.13063] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Revised: 03/09/2023] [Accepted: 03/09/2023] [Indexed: 05/17/2023]
Abstract
INTRODUCTION Cerebrovascular pathology is an early and causal hallmark of Alzheimer's disease (AD), in need of effective therapies. METHODS Based on the success of our previous in vitro studies, we tested for the first time in a model of AD and cerebral amyloid angiopathy (CAA), the carbonic anhydrase inhibitors (CAIs) methazolamide and acetazolamide, Food and Drug Administration-approved against glaucoma and high-altitude sickness. RESULTS Both CAIs reduced cerebral, vascular, and glial amyloid beta (Aβ) accumulation and caspase activation, diminished gliosis, and ameliorated cognition in TgSwDI mice. The CAIs also improved microvascular fitness and induced protective glial pro-clearance pathways, resulting in the reduction of Aβ deposition. Notably, we unveiled that the mitochondrial carbonic anhydrase-VB (CA-VB) is upregulated in TgSwDI brains, CAA and AD+CAA human subjects, and in endothelial cells upon Aβ treatment. Strikingly, CA-VB silencing specifically reduces Aβ-mediated endothelial apoptosis. DISCUSSION This work substantiates the potential application of CAIs in clinical trials for AD and CAA.
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Affiliation(s)
- Elisa Canepa
- Alzheimer’s Center at Temple, Department of Neural Sciences, Lewis Katz School of Medicine, Temple University, Philadelphia, PA, 19140, USA
| | - Rebecca Parodi-Rullan
- Alzheimer’s Center at Temple, Department of Neural Sciences, Lewis Katz School of Medicine, Temple University, Philadelphia, PA, 19140, USA
| | - Rafael Vazquez-Torres
- Alzheimer’s Center at Temple, Department of Neural Sciences, Lewis Katz School of Medicine, Temple University, Philadelphia, PA, 19140, USA
| | - Begona Gamallo-Lana
- Department of Neuroscience and Physiology, Neuroscience Institute, NYU Grossman School of Medicine, New York, NY, 10016, USA
| | - Roberto Guzman-Hernandez
- Alzheimer’s Center at Temple, Department of Neural Sciences, Lewis Katz School of Medicine, Temple University, Philadelphia, PA, 19140, USA
| | - Nicole L. Lemon
- Alzheimer’s Center at Temple, Department of Neural Sciences, Lewis Katz School of Medicine, Temple University, Philadelphia, PA, 19140, USA
| | - Federica Angiulli
- Alzheimer’s Center at Temple, Department of Neural Sciences, Lewis Katz School of Medicine, Temple University, Philadelphia, PA, 19140, USA
| | - Ludovic Debure
- Department on Neurology, Center for Cognitive Neurology, NYU Grossman School of Medicine, New York, NY, 10016, USA
| | - Marc A. Ilies
- Department of Pharmaceutical Sciences and Moulder Center for Drug Discovery Research, Temple University School of Pharmacy, Temple University, Philadelphia, PA, 19140, USA
| | - Leif Østergaard
- Center of Functionally Integrative Neuroscience (CFIN), Department of Clinical Medicine, Aarhus University, 8200 Aarhus, Denmark
| | - Thomas Wisniewski
- Department on Neurology, Center for Cognitive Neurology, NYU Grossman School of Medicine, New York, NY, 10016, USA
| | - Eugenio Gutiérrez-Jiménez
- Center of Functionally Integrative Neuroscience (CFIN), Department of Clinical Medicine, Aarhus University, 8200 Aarhus, Denmark
| | - Adam C. Mar
- Department of Neuroscience and Physiology, Neuroscience Institute, NYU Grossman School of Medicine, New York, NY, 10016, USA
| | - Silvia Fossati
- Alzheimer’s Center at Temple, Department of Neural Sciences, Lewis Katz School of Medicine, Temple University, Philadelphia, PA, 19140, USA
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12
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Elia A, Parodi-Rullan R, Vazquez-Torres R, Carey A, Javadov S, Fossati S. Amyloid β induces cardiac dysfunction and neuro-signaling impairment in the heart of an Alzheimer's disease model. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.07.11.548558. [PMID: 37502936 PMCID: PMC10369880 DOI: 10.1101/2023.07.11.548558] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/29/2023]
Abstract
Aims Alzheimer's disease (AD) is a complex neurodegenerative disorder characterized by cerebral amyloid β (Aβ) deposition and tau pathology. The AD-mediated degeneration of the brain neuro-signaling pathways, together with a potential peripheral amyloid accumulation, may also result in the derangement of the peripheral nervous system, culminating in detrimental effects on other organs, including the heart. However, whether and how AD pathology modulates cardiac function, neurotrophins, innervation, and amyloidosis is still unknown. Here, we report for the first time that cardiac remodeling, amyloid deposition, and neuro-signaling dysregulation occur in the heart of Tg2576 mice, a widely used model of AD and cerebral amyloidosis. Methods ad Results Echocardiographic analysis showed significant deterioration of left ventricle function, evidenced by a decline of both ejection fraction and fraction shortening percentage in 12-month-old Tg2576 mice compared to age-matched WT littermates. Tg2576 mice hearts exhibited an accumulation of amyloid aggregates, including Aβ, an increase in interstitial fibrosis and severe cardiac nervous system dysfunction. The transgenic mice also showed a significant decrease in cardiac nerve fiber density, including both adrenergic and regenerating nerve endings. This myocardial denervation was accompanied by a robust reduction in NGF and BDNF protein expression as well as GAP-43 expression (regenerating fibers) in both the brain and heart of Tg2576 mice. Accordingly, cardiomyocytes and neuronal cells challenged with Aβ oligomers showed significant downregulation of BDNF and GAP-43, indicating a causal effect of Aβ on the loss of cardiac neurotrophic function. Conclusions Overall, this study uncovers possible harmful effects of AD on the heart, revealing cardiac degeneration induced by Aβ through fibrosis and neuro-signaling pathway deregulation for the first time in Tg2576 mice. Our data suggest that AD pathology can cause deleterious effects on the heart, and the peripheral neurotrophic pathway may represent a potential therapeutic target to limit these effects.
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Affiliation(s)
- Andrea Elia
- Alzheimer’s Center at Temple (ACT), Department of Neural Sciences, Lewis Katz School of Medicine, Temple University, 3500 N Broad St, Philadelphia, PA 19140
| | - Rebecca Parodi-Rullan
- Alzheimer’s Center at Temple (ACT), Department of Neural Sciences, Lewis Katz School of Medicine, Temple University, 3500 N Broad St, Philadelphia, PA 19140
| | - Rafael Vazquez-Torres
- Alzheimer’s Center at Temple (ACT), Department of Neural Sciences, Lewis Katz School of Medicine, Temple University, 3500 N Broad St, Philadelphia, PA 19140
| | - Ashley Carey
- Alzheimer’s Center at Temple (ACT), Department of Neural Sciences, Lewis Katz School of Medicine, Temple University, 3500 N Broad St, Philadelphia, PA 19140
| | - Sabzali Javadov
- Department of Physiology, University of Puerto Rico School of Medicine, San Juan, PR 00936-5067, USA
| | - Silvia Fossati
- Alzheimer’s Center at Temple (ACT), Department of Neural Sciences, Lewis Katz School of Medicine, Temple University, 3500 N Broad St, Philadelphia, PA 19140
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13
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Zhang Q, Huang Y, Wu A, Duan Q, He P, Huang H, Gao Y, Nie K, Liu Q, Wang L. Calcium/calmodulin-dependent serine protein kinase exacerbates mitochondrial calcium uniporter-related mitochondrial calcium overload by phosphorylating α-synuclein in Parkinson's disease. Int J Biochem Cell Biol 2023; 157:106385. [PMID: 36754160 DOI: 10.1016/j.biocel.2023.106385] [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: 10/29/2022] [Revised: 02/02/2023] [Accepted: 02/03/2023] [Indexed: 02/09/2023]
Abstract
α-Synuclein phosphorylation and mitochondrial calcium homeostasis are important mechanisms underlying mitochondrial dysfunction in Parkinson's disease, but the network regulating these mechanisms remains unclear. We identified the role of key phosphokinases and the pathological effects of α-synuclein phosphorylation on mitochondrial calcium influx and mitochondrial function in Parkinson's disease. The function of the key phosphokinase, calcium/calmodulin-dependent serine protein kinase, was investigated through loss- and gain-of-function experiments using a cell model of Parkinson's disease. The regulation of mitochondrial calcium uniporter-mediated mitochondrial calcium influx by calcium/calmodulin-dependent serine protein kinase was explored using a cellular model of Parkinson's disease. Coimmunoprecipitation experiments and α-synuclein mutation were used to explore the mechanism through which calcium/calmodulin-dependent serine protein kinase regulates mitochondrial calcium uniporter-mediated mitochondrial calcium influx and exacerbates mitochondrial damage in Parkinson's disease. Here, we show the pathogenic role of calcium/calmodulin-dependent serine protein kinase in Parkinson's disease progression. Calcium/calmodulin-dependent serine protein kinase phosphorylated α-synuclein to activate mitochondrial calcium uniporter and thus increase mitochondrial calcium influx, and these effects were blocked by α-synuclein S129A mutant expression. Furthermore, the calcium/calmodulin-dependent serine protein kinase inhibitor CASK-IN-1 exerted neuroprotective effects in Parkinson's disease. Collectively, our results suggest that calcium/calmodulin-dependent serine protein kinase phosphorylates α-synuclein to activate the mitochondrial calcium uniporter and thereby causes mitochondrial calcium overload and mitochondrial damage in Parkinson's disease. We elucidated a new role of calcium/calmodulin-dependent serine protein kinase in Parkinson's disease and revealed the potential therapeutic value of targeting calcium/calmodulin-dependent serine protein kinase in Parkinson's disease treatment.
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Affiliation(s)
- Qingxi Zhang
- Guangdong Cardiovascular Institute, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou 510100, China; Department of Neurology, Guangdong Neuroscience Institute, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou 510080, China; Guangzhou Key Laboratory of Diagnosis and Treatment for Neurodegenerative Diseases, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou, 510080, China
| | - Yin Huang
- The Second School of Clinical Medicine, Southern Medical University, Guangzhou 510515, China
| | - Anbiao Wu
- Department of Cardiology, Laboratory of Heart Center; Guangdong Provincial Biomedical Engineering Technology Research Center for Cardiovascular Disease, Zhujiang Hospital, Southern Medical University, Guangzhou, 510280, China
| | - Qingrui Duan
- Department of Neurology, Guangdong Neuroscience Institute, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou 510080, China; Guangzhou Key Laboratory of Diagnosis and Treatment for Neurodegenerative Diseases, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou, 510080, China
| | - Peikun He
- Department of Neurology, Guangdong Neuroscience Institute, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou 510080, China; Guangzhou Key Laboratory of Diagnosis and Treatment for Neurodegenerative Diseases, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou, 510080, China
| | - Haifeng Huang
- Department of Neurology, Guangdong Neuroscience Institute, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou 510080, China; Guangzhou Key Laboratory of Diagnosis and Treatment for Neurodegenerative Diseases, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou, 510080, China
| | - Yuyuan Gao
- Department of Neurology, Guangdong Neuroscience Institute, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou 510080, China; Guangzhou Key Laboratory of Diagnosis and Treatment for Neurodegenerative Diseases, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou, 510080, China
| | - Kun Nie
- Department of Neurology, Guangdong Neuroscience Institute, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou 510080, China; Guangzhou Key Laboratory of Diagnosis and Treatment for Neurodegenerative Diseases, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou, 510080, China
| | - Qicai Liu
- Department of Cardiology, Laboratory of Heart Center; Guangdong Provincial Biomedical Engineering Technology Research Center for Cardiovascular Disease, Zhujiang Hospital, Southern Medical University, Guangzhou, 510280, China.
| | - Lijuan Wang
- Department of Neurology, Guangdong Neuroscience Institute, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou 510080, China; Guangzhou Key Laboratory of Diagnosis and Treatment for Neurodegenerative Diseases, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou, 510080, China.
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14
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Carey A, Fossati S. Hypertension and hyperhomocysteinemia as modifiable risk factors for Alzheimer's disease and dementia: New evidence, potential therapeutic strategies, and biomarkers. Alzheimers Dement 2023; 19:671-695. [PMID: 36401868 PMCID: PMC9931659 DOI: 10.1002/alz.12871] [Citation(s) in RCA: 19] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Revised: 10/04/2022] [Accepted: 10/17/2022] [Indexed: 11/21/2022]
Abstract
This review summarizes recent evidence on how mid-life hypertension, hyperhomocysteinemia (HHcy) and blood pressure variability, as well as late-life hypotension, exacerbate Alzheimer's disease (AD) and dementia risk. Intriguingly, HHcy also increases the risk for hypertension, revealing the importance of understanding the relationship between comorbid cardiovascular risk factors. Hypertension-induced dementia presents more evidently in women, highlighting the relevance of sex differences in the impact of cardiovascular risk. We summarize each major antihypertensive drug class's effects on cognitive impairment and AD pathology, revealing how carbonic anhydrase inhibitors, diuretics modulating cerebral blood flow, have recently gained preclinical evidence as promising treatment against AD. We also report novel vascular biomarkers for AD and dementia risk, highlighting those associated with hypertension and HHcy. Importantly, we propose that future studies should consider hypertension and HHcy as potential contributors to cognitive impairment, and that uncovering the underlying molecular mechanisms and biomarkers would aid in the identification of preventive strategies.
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Affiliation(s)
- Ashley Carey
- Alzheimer’s Center at Temple, Department of Neural Sciences, Temple University Lewis Katz School of Medicine, Philadelphia
| | - Silvia Fossati
- Alzheimer’s Center at Temple, Department of Neural Sciences, Temple University Lewis Katz School of Medicine, Philadelphia
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15
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Morén C, Treder N, Martínez-Pinteño A, Rodríguez N, Arbelo N, Madero S, Gómez M, Mas S, Gassó P, Parellada E. Systematic Review of the Therapeutic Role of Apoptotic Inhibitors in Neurodegeneration and Their Potential Use in Schizophrenia. Antioxidants (Basel) 2022; 11:2275. [PMID: 36421461 PMCID: PMC9686909 DOI: 10.3390/antiox11112275] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Revised: 11/02/2022] [Accepted: 11/03/2022] [Indexed: 09/15/2023] Open
Abstract
Schizophrenia (SZ) is a deleterious brain disorder affecting cognition, emotion and reality perception. The most widely accepted neurochemical-hypothesis is the imbalance of neurotransmitter-systems. Depleted GABAergic-inhibitory function might produce a regionally-located dopaminergic and glutamatergic-storm in the brain. The dopaminergic-release may underlie the positive psychotic-symptoms while the glutamatergic-release could prompt the primary negative symptoms/cognitive deficits. This may occur due to excessive synaptic-pruning during the neurodevelopmental stages of adolescence/early adulthood. Thus, although SZ is not a neurodegenerative disease, it has been suggested that exaggerated dendritic-apoptosis could explain the limited neuroprogression around its onset. This apoptotic nature of SZ highlights the potential therapeutic action of anti-apoptotic drugs, especially at prodromal stages. If dysregulation of apoptotic mechanisms underlies the molecular basis of SZ, then anti-apoptotic molecules could be a prodromal therapeutic option to halt or prevent SZ. In fact, risk alleles related in apoptotic genes have been recently associated to SZ and shared molecular apoptotic changes are common in the main neurodegenerative disorders and SZ. PRISMA-guidelines were considered. Anti-apoptotic drugs are commonly applied in classic neurodegenerative disorders with promising results. Despite both the apoptotic-hallmarks of SZ and the widespread use of anti-apoptotic targets in neurodegeneration, there is a strikingly scarce number of studies investigating anti-apoptotic approaches in SZ. We analyzed the anti-apoptotic approaches conducted in neurodegeneration and the potential applications of such anti-apoptotic therapies as a promising novel therapeutic strategy, especially during early stages.
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Affiliation(s)
- Constanza Morén
- Barcelona Clínic Schizophrenia Unit (BCSU), Institute of Neuroscience, Psychiatry and Psychology Service, Hospital Clínic of Barcelona, University of Barcelona, 08036 Barcelona, Spain
- Clinical and Experimental Neuroscience Area, The August Pi i Sunyer Biomedical Research Institute (IDIBAPS), 08036 Barcelona, Spain
- U722 Group, Centro de Investigación Biomédica en Red de Enfermedades Raras, CIBERER, Carlos III Health Institute, 28029 Madrid, Spain
- Department of Basic Clinical Practice, Pharmacology Unit, University of Barcelona, 08036 Barcelona, Spain
| | - Nina Treder
- Faculty of Psychology and Neuroscience, Maastricht University, 6211 LK Maastricht, The Netherlands
| | - Albert Martínez-Pinteño
- Department of Basic Clinical Practice, Pharmacology Unit, University of Barcelona, 08036 Barcelona, Spain
| | - Natàlia Rodríguez
- Department of Basic Clinical Practice, Pharmacology Unit, University of Barcelona, 08036 Barcelona, Spain
| | - Néstor Arbelo
- Barcelona Clínic Schizophrenia Unit (BCSU), Institute of Neuroscience, Psychiatry and Psychology Service, Hospital Clínic of Barcelona, University of Barcelona, 08036 Barcelona, Spain
- G04 Group, Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), Carlos III Health Institute, 28029 Madrid, Spain
| | - Santiago Madero
- Barcelona Clínic Schizophrenia Unit (BCSU), Institute of Neuroscience, Psychiatry and Psychology Service, Hospital Clínic of Barcelona, University of Barcelona, 08036 Barcelona, Spain
- G04 Group, Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), Carlos III Health Institute, 28029 Madrid, Spain
| | - Marta Gómez
- Barcelona Clínic Schizophrenia Unit (BCSU), Institute of Neuroscience, Psychiatry and Psychology Service, Hospital Clínic of Barcelona, University of Barcelona, 08036 Barcelona, Spain
- G04 Group, Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), Carlos III Health Institute, 28029 Madrid, Spain
- Department of Psychiatry, Servizo Galego de Saúde (SERGAS), 36001 Pontevedra, Spain
| | - Sergi Mas
- Clinical and Experimental Neuroscience Area, The August Pi i Sunyer Biomedical Research Institute (IDIBAPS), 08036 Barcelona, Spain
- Department of Basic Clinical Practice, Pharmacology Unit, University of Barcelona, 08036 Barcelona, Spain
- G04 Group, Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), Carlos III Health Institute, 28029 Madrid, Spain
| | - Patricia Gassó
- Clinical and Experimental Neuroscience Area, The August Pi i Sunyer Biomedical Research Institute (IDIBAPS), 08036 Barcelona, Spain
- Department of Basic Clinical Practice, Pharmacology Unit, University of Barcelona, 08036 Barcelona, Spain
- G04 Group, Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), Carlos III Health Institute, 28029 Madrid, Spain
| | - Eduard Parellada
- Barcelona Clínic Schizophrenia Unit (BCSU), Institute of Neuroscience, Psychiatry and Psychology Service, Hospital Clínic of Barcelona, University of Barcelona, 08036 Barcelona, Spain
- Clinical and Experimental Neuroscience Area, The August Pi i Sunyer Biomedical Research Institute (IDIBAPS), 08036 Barcelona, Spain
- Department of Basic Clinical Practice, Pharmacology Unit, University of Barcelona, 08036 Barcelona, Spain
- G04 Group, Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), Carlos III Health Institute, 28029 Madrid, Spain
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16
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Lv Y, Wei C, Zhao B. Study on the mechanism of low shear stress restoring the viability of damaged breast tumor cells. Tissue Cell 2022; 79:101947. [DOI: 10.1016/j.tice.2022.101947] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Revised: 09/09/2022] [Accepted: 09/23/2022] [Indexed: 11/28/2022]
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17
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Lossouarn A, Puteaux C, Bailly L, Tognetti V, Joubert L, Renard P, Sabot C. Metalloenzyme‐Mediated Thiol‐Yne Addition Towards Photoisomerizable Fluorescent Dyes. Chemistry 2022; 28:e202202180. [DOI: 10.1002/chem.202202180] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2022] [Indexed: 11/10/2022]
Affiliation(s)
- Alexis Lossouarn
- Normandie Univ, CNRS, UNIROUEN, INSA Rouen, COBRA (UMR 6014) Rouen 76000 France
| | - Chloé Puteaux
- Normandie Univ, CNRS, UNIROUEN, INSA Rouen, COBRA (UMR 6014) Rouen 76000 France
| | - Laetitia Bailly
- Normandie Univ, CNRS, UNIROUEN, INSA Rouen, COBRA (UMR 6014) Rouen 76000 France
| | - Vincent Tognetti
- Normandie Univ, CNRS, UNIROUEN, INSA Rouen, COBRA (UMR 6014) Rouen 76000 France
| | - Laurent Joubert
- Normandie Univ, CNRS, UNIROUEN, INSA Rouen, COBRA (UMR 6014) Rouen 76000 France
| | - Pierre‐Yves Renard
- Normandie Univ, CNRS, UNIROUEN, INSA Rouen, COBRA (UMR 6014) Rouen 76000 France
| | - Cyrille Sabot
- Normandie Univ, CNRS, UNIROUEN, INSA Rouen, COBRA (UMR 6014) Rouen 76000 France
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18
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Ho CL, Kao NJ, Lin CI, Cross TWL, Lin SH. Quercetin Increases Mitochondrial Biogenesis and Reduces Free Radicals in Neuronal SH-SY5Y Cells. Nutrients 2022; 14:nu14163310. [PMID: 36014814 PMCID: PMC9414536 DOI: 10.3390/nu14163310] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2022] [Revised: 08/06/2022] [Accepted: 08/09/2022] [Indexed: 11/16/2022] Open
Abstract
Alzheimer’s disease (AD) is a common neurodegenerative disorder that causes dementia and affects millions of people worldwide. The mechanism underlying AD is unclear; however, oxidative stress and mitochondrial biogenesis have been reported to be involved in AD progression. Previous research has also reported the reduction in mitochondrial biogenesis in the brains of patients with AD. Quercetin (QE), a type of polyphenol, has been found to be capable of increasing mitochondrial biogenesis in the body. Accordingly, we explored whether QE could reduce amyloid beta (Aβ) accumulation caused by hydrogen peroxide (H2O2)-induced oxidative stress in SH-SY5Y cells. Our results revealed that QE stimulated the expression of mitochondrial-related proteins such as SIRT1, PGC-1α, and TFAM and subsequently activated mitochondrial biogenesis. Additionally, QE increased ADAM10 expression but reduced H2O2-induced reactive oxygen species production, apoptosis, β-site amyloid precursor protein cleaving enzyme 1 expression, and Aβ accumulation in the SH-SY5Y cells. These findings indicate that QE can effectively elevate mitochondrial biogenesis-related proteins and reduce the damage caused by oxidative stress, making it a promising option for protecting neuronal cells.
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Affiliation(s)
- Chia-Ling Ho
- School of Nutrition and Health Sciences, Taipei Medical University, Taipei 110, Taiwan
| | - Ning-Jo Kao
- Department of Nutrition and Health Sciences, Kainan University, Taoyuan 338, Taiwan
| | - Ching-I Lin
- Department of Nutrition and Health Sciences, Kainan University, Taoyuan 338, Taiwan
| | - Tzu-Wen L. Cross
- Department of Nutrition Science, Purdue University, West Lafayette, IN 47907, USA
| | - Shyh-Hsiang Lin
- School of Nutrition and Health Sciences, Taipei Medical University, Taipei 110, Taiwan
- Master Program in Food Safety, Taipei Medical University, Taipei 110, Taiwan
- Correspondence: ; Tel.: +886-2-2736-1661 (ext. 6555); Fax: +886-2-2737-3112
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19
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Shen Q, He Q, Pan Y, Sun C. Detection, identification, characterization, and HPLC quantification of five impurities from a methazolamide product. J Sep Sci 2022; 45:3128-3138. [PMID: 35691018 DOI: 10.1002/jssc.202200122] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2022] [Revised: 05/14/2022] [Accepted: 06/08/2022] [Indexed: 11/09/2022]
Abstract
Methazolamide is an important carbonic anhydrase inhibitor and is mainly used for the treatment of glaucoma. Studies are extremely rare regarding the impurities in methazolamide products. In this work, the HPLC/HPLC-MS methods were established for the analysis of impurities in methazolamide products. Five impurities (A, B, C, D and E) were detected using the established HPLC/HPLC-MS methods. Of these impurities, impurities A, B, and D are known compounds, and impurities C and E are novel compounds that have never been reported before. The identities of impurities A, B, D, and E were recognized by comparing their retention times and mass spectra with those of synthesized standard compounds under the same HPLC-MS conditions. Moreover, the structures of impurities C and E were characterized using a variety of analytical techniques including multidimensional nuclear magnetic resonance spectroscopy, Fourier transforming infrared spectroscopy, ultraviolet-visible absorption spectroscopy, and high-resolution quadrupole time-of-flight mass spectrometry. All of the five impurities are structural analogs of methazolamide. The formation mechanisms of these impurities were discussed. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Qirong Shen
- College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, Zhejiang, 310058, China.,Hangzhou Qianyuan Pollen Pharmaceutical CO., LTD., Hangzhou, Zhejiang, 310018, China
| | - Quan He
- College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, Zhejiang, 310058, China
| | - Yuanjiang Pan
- Department of Chemistry, Zhejiang University, Hangzhou, 310027, China
| | - Cuirong Sun
- College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, Zhejiang, 310058, China
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20
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N-terminally truncated Aβ4-x proteoforms and their relevance for Alzheimer's pathophysiology. Transl Neurodegener 2022; 11:30. [PMID: 35641972 PMCID: PMC9158284 DOI: 10.1186/s40035-022-00303-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2021] [Accepted: 04/21/2022] [Indexed: 01/22/2023] Open
Abstract
Background The molecular heterogeneity of Alzheimer’s amyloid-β (Aβ) deposits extends well beyond the classic Aβ1-40/Aβ1-42 dichotomy, substantially expanded by multiple post-translational modifications that increase the proteome diversity. Numerous truncated fragments consistently populate the brain Aβ peptidome, and their homeostatic regulation and potential contribution to disease pathogenesis are largely unknown. Aβ4-x peptides have been reported as major components of plaque cores and the limited studies available indicate their relative abundance in Alzheimer’s disease (AD). Methods Immunohistochemistry was used to assess the topographic distribution of Aβ4-x species in well-characterized AD cases using custom-generated monoclonal antibody 18H6—specific for Aβ4-x species and blind for full-length Aβ1-40/Aβ1-42—in conjunction with thioflavin-S and antibodies recognizing Aβx-40 and Aβx-42 proteoforms. Circular dichroism, thioflavin-T binding, and electron microscopy evaluated the biophysical and aggregation/oligomerization properties of full-length and truncated synthetic homologues, whereas stereotaxic intracerebral injections of monomeric and oligomeric radiolabeled homologues in wild-type mice were used to evaluate their brain clearance characteristics. Results All types of amyloid deposits contained the probed Aβ epitopes, albeit expressed in different proportions. Aβ4-x species showed preferential localization within thioflavin-S-positive cerebral amyloid angiopathy and cored plaques, strongly suggesting poor clearance characteristics and consistent with the reduced solubility and enhanced oligomerization of their synthetic homologues. In vivo clearance studies demonstrated a fast brain efflux of N-terminally truncated and full-length monomeric forms whereas their oligomeric counterparts—particularly of Aβ4-40 and Aβ4-42—consistently exhibited enhanced brain retention. Conclusions The persistence of aggregation-prone Aβ4-x proteoforms likely contributes to the process of amyloid formation, self-perpetuating the amyloidogenic loop and exacerbating amyloid-mediated pathogenic pathways.
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21
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Hu Y, Zhou Y, Yang Y, Tang H, Si Y, Chen Z, Shi Y, Fang H. Metformin Protects Against Diabetes-Induced Cognitive Dysfunction by Inhibiting Mitochondrial Fission Protein DRP1. Front Pharmacol 2022; 13:832707. [PMID: 35392573 PMCID: PMC8981993 DOI: 10.3389/fphar.2022.832707] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2021] [Accepted: 02/14/2022] [Indexed: 01/17/2023] Open
Abstract
Objectives: Diabetes is an independent risk factor for dementia. Mitochondrial dysfunction is a critical player in diabetes and diabetic complications. The present study aimed to investigate the role of mitochondrial dynamic changes in diabetes-associated cognitive impairment. Methods: Cognitive functions were examined by novel object recognition and T-maze tests. Mice hippocampi were collected for electron microscopy and immunofluorescence examination. Neuron cell line HT22 and primary hippocampal neurons were challenged with high glucose in vitro. Mitotracker-Red CM-H2X ROS was used to detect mitochondrial-derived free radicals. Results: Diabetic mice exhibited memory loss and spatial disorientation. Electron microscopy revealed that diabetic mice had larger synaptic gaps, attenuated postsynaptic density and fewer dendritic spines in the hippocampus. More round-shape mitochondria were observed in hippocampal neurons in diabetic mice than those in control mice. In cultured neurons, high glucose induced a high phosphorylated level of dynamin-related protein 1 (DRP1) and increased oxidative stress, resulting in cell apoptosis. Inhibition of mitochondrial fission by Mdivi-1 and metformin significantly decreased oxidative stress and prevented cell apoptosis in cultured cells. Treatment of Mdivi-1 and metformin restored cognitive function in diabetic mice. Conclusion: Metformin restores cognitive function by inhibiting mitochondrial fission, reducing mitochondrial-derived oxidative stress, and mitigating neuron loss in hippocampi of diabetic mice. The protective effects of metformin shed light on the therapeutic strategy of cognitive impairment.
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Affiliation(s)
- Yan Hu
- Department of Anesthesiology, Zhongshan Hospital, Fudan University, Shanghai, China.,Department of Anesthesiology, Jinshan Hospital, Fudan University, Shanghai, China
| | - Yile Zhou
- Department of Anesthesiology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Yajie Yang
- Department of Anesthesiology, Jinshan Hospital, Fudan University, Shanghai, China
| | - Haihong Tang
- Department of Anesthesiology, Jinshan Hospital, Fudan University, Shanghai, China
| | - Yuan Si
- Department of Anesthesiology, Minhang Branch, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Zhouyi Chen
- Department of Anesthesiology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Yi Shi
- Institute of Clinical Science, Zhongshan Hospital, Fudan University, Shanghai, China.,Shanghai Key Laboratory of Organ Transplantation, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Hao Fang
- Department of Anesthesiology, Zhongshan Hospital, Fudan University, Shanghai, China
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22
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Hambardikar V, Guitart-Mampel M, Scoma ER, Urquiza P, Nagana GGA, Raftery D, Collins JA, Solesio ME. Enzymatic Depletion of Mitochondrial Inorganic Polyphosphate (polyP) Increases the Generation of Reactive Oxygen Species (ROS) and the Activity of the Pentose Phosphate Pathway (PPP) in Mammalian Cells. Antioxidants (Basel) 2022; 11:685. [PMID: 35453370 PMCID: PMC9029763 DOI: 10.3390/antiox11040685] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Revised: 03/21/2022] [Accepted: 03/23/2022] [Indexed: 01/27/2023] Open
Abstract
Inorganic polyphosphate (polyP) is an ancient biopolymer that is well preserved throughout evolution and present in all studied organisms. In mammals, it shows a high co-localization with mitochondria, and it has been demonstrated to be involved in the homeostasis of key processes within the organelle, including mitochondrial bioenergetics. However, the exact extent of the effects of polyP on the regulation of cellular bioenergetics, as well as the mechanisms explaining these effects, still remain poorly understood. Here, using HEK293 mammalian cells under Wild-type (Wt) and MitoPPX (cells enzymatically depleted of mitochondrial polyP) conditions, we show that depletion of polyP within mitochondria increased oxidative stress conditions. This is characterized by enhanced mitochondrial O2- and intracellular H2O2 levels, which may be a consequence of the dysregulation of oxidative phosphorylation (OXPHOS) that we have demonstrated in MitoPPX cells in our previous work. These findings were associated with an increase in basal peroxiredoxin-1 (Prx1), superoxide dismutase-2 (SOD2), and thioredoxin (Trx) antioxidant protein levels. Using 13C-NMR and immunoblotting, we assayed the status of glycolysis and the pentose phosphate pathway (PPP) in Wt and MitoPPX cells. Our results show that MitoPPX cells display a significant increase in the activity of the PPP and an increase in the protein levels of transaldolase (TAL), which is a crucial component of the non-oxidative phase of the PPP and is involved in the regulation of oxidative stress. In addition, we observed a trend towards increased glycolysis in MitoPPX cells, which corroborates our prior work. Here, for the first time, we show the crucial role played by mitochondrial polyP in the regulation of mammalian redox homeostasis. Moreover, we demonstrate a significant effect of mitochondrial polyP on the regulation of global cellular bioenergetics in these cells.
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Affiliation(s)
- Vedangi Hambardikar
- Department of Biology and Center for Computational and Integrative Biology (CCIB), College of Arts and Sciences, Rutgers University, Camden, NJ 08103, USA; (V.H.); (M.G.-M.); (E.R.S.); (P.U.)
| | - Mariona Guitart-Mampel
- Department of Biology and Center for Computational and Integrative Biology (CCIB), College of Arts and Sciences, Rutgers University, Camden, NJ 08103, USA; (V.H.); (M.G.-M.); (E.R.S.); (P.U.)
| | - Ernest R. Scoma
- Department of Biology and Center for Computational and Integrative Biology (CCIB), College of Arts and Sciences, Rutgers University, Camden, NJ 08103, USA; (V.H.); (M.G.-M.); (E.R.S.); (P.U.)
| | - Pedro Urquiza
- Department of Biology and Center for Computational and Integrative Biology (CCIB), College of Arts and Sciences, Rutgers University, Camden, NJ 08103, USA; (V.H.); (M.G.-M.); (E.R.S.); (P.U.)
| | - Gowda G. A. Nagana
- Mitochondrial and Metabolism Center, University of Washington, Seattle, WA 98109, USA; (G.G.A.N.); (D.R.)
| | - Daniel Raftery
- Mitochondrial and Metabolism Center, University of Washington, Seattle, WA 98109, USA; (G.G.A.N.); (D.R.)
| | - John A. Collins
- Department of Orthopedic Surgery, Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia, PA 19107, USA;
| | - Maria E. Solesio
- Department of Biology and Center for Computational and Integrative Biology (CCIB), College of Arts and Sciences, Rutgers University, Camden, NJ 08103, USA; (V.H.); (M.G.-M.); (E.R.S.); (P.U.)
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23
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Li Z, Peng M, Chen P, Liu C, Hu A, Zhang Y, Peng J, Liu J, Li Y, Li W, Zhu W, Guan D, Zhang Y, Chen H, Li J, Fan D, Huang K, Lin F, Zhang Z, Guo Z, Luo H, He X, Zhu Y, Li L, Huang B, Cai W, Gu L, Lu Y, Deng K, Yan L, Chen S. Imatinib and methazolamide ameliorate COVID-19-induced metabolic complications via elevating ACE2 enzymatic activity and inhibiting viral entry. Cell Metab 2022; 34:424-440.e7. [PMID: 35150639 PMCID: PMC8832557 DOI: 10.1016/j.cmet.2022.01.008] [Citation(s) in RCA: 33] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/28/2021] [Revised: 11/22/2021] [Accepted: 01/20/2022] [Indexed: 02/07/2023]
Abstract
Coronavirus disease 2019 (COVID-19) represents a systemic disease that may cause severe metabolic complications in multiple tissues including liver, kidney, and cardiovascular system. However, the underlying mechanisms and optimal treatment remain elusive. Our study shows that impairment of ACE2 pathway is a key factor linking virus infection to its secondary metabolic sequelae. By using structure-based high-throughput virtual screening and connectivity map database, followed with experimental validations, we identify imatinib, methazolamide, and harpagoside as direct enzymatic activators of ACE2. Imatinib and methazolamide remarkably improve metabolic perturbations in vivo in an ACE2-dependent manner under the insulin-resistant state and SARS-CoV-2-infected state. Moreover, viral entry is directly inhibited by these three compounds due to allosteric inhibition of ACE2 binding to spike protein on SARS-CoV-2. Taken together, our study shows that enzymatic activation of ACE2 via imatinib, methazolamide, or harpagoside may be a conceptually new strategy to treat metabolic sequelae of COVID-19.
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Affiliation(s)
- Zilun Li
- Division of Vascular Surgery, The First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, Guangdong 510080, China; National-Guangdong Joint Engineering Laboratory for Diagnosis and Treatment of Vascular Diseases, The First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, Guangdong 510080, China.
| | - Meixiu Peng
- National-Guangdong Joint Engineering Laboratory for Diagnosis and Treatment of Vascular Diseases, The First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, Guangdong 510080, China
| | - Pin Chen
- National Supercomputer Center in Guangzhou, School of Computer Science and Engineering, Sun Yat-Sen University, Guangzhou, Guangdong 510006, China
| | - Chenshu Liu
- Division of Vascular Surgery, The First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, Guangdong 510080, China; National-Guangdong Joint Engineering Laboratory for Diagnosis and Treatment of Vascular Diseases, The First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, Guangdong 510080, China
| | - Ao Hu
- Institute of Human Virology, Key Laboratory of Tropical Disease Control of Ministry of Education, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, Guangdong 510080, China; Department of Immunology, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, Guangdong 510080, China
| | - Yixin Zhang
- Institute of Human Virology, Key Laboratory of Tropical Disease Control of Ministry of Education, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, Guangdong 510080, China; Department of Immunology, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, Guangdong 510080, China
| | - Jiangyun Peng
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Guangdong-Hong Kong Joint Laboratory for RNA Medicine, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, Guangdong 510120, China; Medical Research Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, Guangdong 510120, China
| | - Jiang Liu
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Guangdong-Hong Kong Joint Laboratory for RNA Medicine, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, Guangdong 510120, China; Breast Tumor Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, Guangdong 510120, China
| | - Yihui Li
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Guangdong-Hong Kong Joint Laboratory for RNA Medicine, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, Guangdong 510120, China; Breast Tumor Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, Guangdong 510120, China
| | - Wenxue Li
- Guangzhou Center for Disease Control and Prevention, Guangzhou, Guangdong 510440, China
| | - Wei Zhu
- Guangzhou Center for Disease Control and Prevention, Guangzhou, Guangdong 510440, China
| | - Dongxian Guan
- Division of Endocrinology, Boston Children's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Yang Zhang
- School of Public Health, Sun Yat-Sen University, Shenzhen, Guangdong 518107, China
| | - Hongyin Chen
- School of Public Health, Sun Yat-Sen University, Shenzhen, Guangdong 518107, China
| | - Jiuzhou Li
- School of Public Health, Sun Yat-Sen University, Shenzhen, Guangdong 518107, China
| | - Dongxiao Fan
- Division of Vascular Surgery, The First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, Guangdong 510080, China; National-Guangdong Joint Engineering Laboratory for Diagnosis and Treatment of Vascular Diseases, The First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, Guangdong 510080, China
| | - Kan Huang
- Division of Vascular Surgery, The First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, Guangdong 510080, China; National-Guangdong Joint Engineering Laboratory for Diagnosis and Treatment of Vascular Diseases, The First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, Guangdong 510080, China
| | - Fen Lin
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Guangdong-Hong Kong Joint Laboratory for RNA Medicine, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, Guangdong 510120, China; Medical Research Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, Guangdong 510120, China
| | - Zefeng Zhang
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Guangdong-Hong Kong Joint Laboratory for RNA Medicine, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, Guangdong 510120, China; Medical Research Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, Guangdong 510120, China
| | - Zeling Guo
- National-Guangdong Joint Engineering Laboratory for Diagnosis and Treatment of Vascular Diseases, The First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, Guangdong 510080, China
| | - Hengli Luo
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Guangdong-Hong Kong Joint Laboratory for RNA Medicine, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, Guangdong 510120, China; Medical Research Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, Guangdong 510120, China
| | - Xi He
- Guangzhou Eighth People's Hospital, Guangzhou Medical University, Guangzhou, Guangdong 510060, China
| | - Yuanyuan Zhu
- Guangzhou Eighth People's Hospital, Guangzhou Medical University, Guangzhou, Guangdong 510060, China
| | - Linghua Li
- Guangzhou Eighth People's Hospital, Guangzhou Medical University, Guangzhou, Guangdong 510060, China
| | - Bingding Huang
- College of Big Data and Internet, Shenzhen Technology University, Shenzhen, Guangdong 518118, China
| | - Weikang Cai
- Department of Biomedical Sciences, New York Institute of Technology, College of Osteopathic Medicine, Old Westbury, NY 11568, USA
| | - Lei Gu
- Max Planck Institute for Heart and Lung Research and Cardiopulmonary Institute (CPI), Bad Nauheim 61231, Germany
| | - Yutong Lu
- National Supercomputer Center in Guangzhou, School of Computer Science and Engineering, Sun Yat-Sen University, Guangzhou, Guangdong 510006, China
| | - Kai Deng
- Institute of Human Virology, Key Laboratory of Tropical Disease Control of Ministry of Education, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, Guangdong 510080, China; Department of Immunology, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, Guangdong 510080, China.
| | - Li Yan
- Department of Endocrinology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, Guangdong 510120, China.
| | - Sifan Chen
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Guangdong-Hong Kong Joint Laboratory for RNA Medicine, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, Guangdong 510120, China; Medical Research Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, Guangdong 510120, China.
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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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25
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Jang S, Chapa-Dubocq XR, Parodi-Rullán RM, Fossati S, Javadov S. Beta-Amyloid Instigates Dysfunction of Mitochondria in Cardiac Cells. Cells 2022; 11:373. [PMID: 35159183 PMCID: PMC8834545 DOI: 10.3390/cells11030373] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Revised: 01/18/2022] [Accepted: 01/19/2022] [Indexed: 12/26/2022] Open
Abstract
Alzheimer's disease (AD) includes the formation of extracellular deposits comprising aggregated β-amyloid (Aβ) fibers associated with oxidative stress, inflammation, mitochondrial abnormalities, and neuronal loss. There is an associative link between AD and cardiac diseases; however, the mechanisms underlying the potential role of AD, particularly Aβ in cardiac cells, remain unknown. Here, we investigated the role of mitochondria in mediating the effects of Aβ1-40 and Aβ1-42 in cultured cardiomyocytes and primary coronary endothelial cells. Our results demonstrated that Aβ1-40 and Aβ1-42 are differently accumulated in cardiomyocytes and coronary endothelial cells. Aβ1-42 had more adverse effects than Aβ1-40 on cell viability and mitochondrial function in both types of cells. Mitochondrial and cellular ROS were significantly increased, whereas mitochondrial membrane potential and calcium retention capacity decreased in both types of cells in response to Aβ1-42. Mitochondrial dysfunction induced by Aβ was associated with apoptosis of the cells. The effects of Aβ1-42 on mitochondria and cell death were more evident in coronary endothelial cells. In addition, Aβ1-40 and Aβ1-42 significantly increased Ca2+ -induced swelling in mitochondria isolated from the intact rat hearts. In conclusion, this study demonstrates the toxic effects of Aβ on cell survival and mitochondria function in cardiac cells.
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Affiliation(s)
- Sehwan Jang
- Department of Physiology, University of Puerto Rico School of Medicine, San Juan, PR 00936, USA; (S.J.); (X.R.C.-D.)
| | - Xavier R. Chapa-Dubocq
- Department of Physiology, University of Puerto Rico School of Medicine, San Juan, PR 00936, USA; (S.J.); (X.R.C.-D.)
| | - Rebecca M. Parodi-Rullán
- Alzheimer’s Center at Temple, Lewis Katz School of Medicine, Temple University, Philadelphia, PA 19140, USA; (R.M.P.-R.); (S.F.)
| | - Silvia Fossati
- Alzheimer’s Center at Temple, Lewis Katz School of Medicine, Temple University, Philadelphia, PA 19140, USA; (R.M.P.-R.); (S.F.)
| | - Sabzali Javadov
- Department of Physiology, University of Puerto Rico School of Medicine, San Juan, PR 00936, USA; (S.J.); (X.R.C.-D.)
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Lemon N, Canepa E, Ilies MA, Fossati S. Carbonic Anhydrases as Potential Targets Against Neurovascular Unit Dysfunction in Alzheimer’s Disease and Stroke. Front Aging Neurosci 2021; 13:772278. [PMID: 34867298 PMCID: PMC8635164 DOI: 10.3389/fnagi.2021.772278] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Accepted: 10/20/2021] [Indexed: 12/23/2022] Open
Abstract
The Neurovascular Unit (NVU) is an important multicellular structure of the central nervous system (CNS), which participates in the regulation of cerebral blood flow (CBF), delivery of oxygen and nutrients, immunological surveillance, clearance, barrier functions, and CNS homeostasis. Stroke and Alzheimer Disease (AD) are two pathologies with extensive NVU dysfunction. The cell types of the NVU change in both structure and function following an ischemic insult and during the development of AD pathology. Stroke and AD share common risk factors such as cardiovascular disease, and also share similarities at a molecular level. In both diseases, disruption of metabolic support, mitochondrial dysfunction, increase in oxidative stress, release of inflammatory signaling molecules, and blood brain barrier disruption result in NVU dysfunction, leading to cell death and neurodegeneration. Improved therapeutic strategies for both AD and stroke are needed. Carbonic anhydrases (CAs) are well-known targets for other diseases and are being recently investigated for their function in the development of cerebrovascular pathology. CAs catalyze the hydration of CO2 to produce bicarbonate and a proton. This reaction is important for pH homeostasis, overturn of cerebrospinal fluid, regulation of CBF, and other physiological functions. Humans express 15 CA isoforms with different distribution patterns. Recent studies provide evidence that CA inhibition is protective to NVU cells in vitro and in vivo, in models of stroke and AD pathology. CA inhibitors are FDA-approved for treatment of glaucoma, high-altitude sickness, and other indications. Most FDA-approved CA inhibitors are pan-CA inhibitors; however, specific CA isoforms are likely to modulate the NVU function. This review will summarize the literature regarding the use of pan-CA and specific CA inhibitors along with genetic manipulation of specific CA isoforms in stroke and AD models, to bring light into the functions of CAs in the NVU. Although pan-CA inhibitors are protective and safe, we hypothesize that targeting specific CA isoforms will increase the efficacy of CA inhibition and reduce side effects. More studies to further determine specific CA isoforms functions and changes in disease states are essential to the development of novel therapies for cerebrovascular pathology, occurring in both stroke and AD.
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Affiliation(s)
- Nicole Lemon
- Alzheimer’s Center at Temple (ACT), Lewis Katz School of Medicine, Temple University, Philadelphia, PA, United States
| | - Elisa Canepa
- Alzheimer’s Center at Temple (ACT), Lewis Katz School of Medicine, Temple University, Philadelphia, PA, United States
| | - Marc A. Ilies
- Alzheimer’s Center at Temple (ACT), Lewis Katz School of Medicine, Temple University, Philadelphia, PA, United States
- Department of Pharmaceutical Sciences and Moulder Center for Drug Discovery Research, Temple University School of Pharmacy, Temple University, Philadelphia, PA, United States
| | - Silvia Fossati
- Alzheimer’s Center at Temple (ACT), Lewis Katz School of Medicine, Temple University, Philadelphia, PA, United States
- *Correspondence: Silvia Fossati,
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27
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Wong HY, Hui Q, Hao Z, Warnock GL, Woo M, Luciani DS, Marzban L. The role of mitochondrial apoptotic pathway in islet amyloid-induced β-cell death. Mol Cell Endocrinol 2021; 537:111424. [PMID: 34400259 DOI: 10.1016/j.mce.2021.111424] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Revised: 07/24/2021] [Accepted: 08/10/2021] [Indexed: 12/16/2022]
Abstract
Islet amyloid, formed by aggregation of human islet amyloid polypeptide (hIAPP), contributes to β-cell death in type 2 diabetes. We previously showed that extracellular hIAPP aggregates promote Fas-mediated β-cell apoptosis. Here, we tested if hIAPP aggregates can trigger the mitochondrial apoptotic pathway (MAP). hIAPP aggregation in Ad-hIAPP transduced INS-1 and human islet β-cells promoted cytochrome c release, caspase-9 activation and apoptosis, which were reduced by Bax inhibitor. Amyloid formation in hIAPP-expressing mouse islets during culture increased caspase-9 activation in β-cells. Ad-hIAPP transduced islets from CytcKA/KA and BaxBak βDKO mice (models of blocked MAP), had lower caspase-9-positive and apoptotic β-cells than transduced wild-type islets, despite comparable amyloid formation. Blocking Fas (markedly) and Bax or caspase-9 (modestly) reduced β-cell death induced by extracellular hIAPP aggregates. These findings suggest a role for MAP in amyloid-induced β-cell death and a potential strategy to reduce intracellular amyloid β-cell toxicity by blocking cytochrome c apoptotic function.
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Affiliation(s)
- Helen Y Wong
- Faculty of Medicine, University of British Columbia, Vancouver, BC, Canada
| | - Queenie Hui
- Faculty of Medicine, University of British Columbia, Vancouver, BC, Canada
| | - Zhenyue Hao
- The Donnelly Centre for Cellular and Biomolecular Research, University of Toronto, Toronto, ON, Canada
| | - Garth L Warnock
- Faculty of Medicine, University of British Columbia, Vancouver, BC, Canada
| | - Minna Woo
- Toronto General Hospital Research Institute and Division of Endocrinology, Department of Medicine, University of Toronto, Toronto, ON, Canada
| | - Dan S Luciani
- Faculty of Medicine, University of British Columbia, Vancouver, BC, Canada; BC Children's Hospital Research Institute, Vancouver, BC, Canada
| | - Lucy Marzban
- Faculty of Medicine, University of British Columbia, Vancouver, BC, Canada; College of Pharmacy, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, MB, Canada.
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28
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Parodi-Rullán RM, Javadov S, Fossati S. Dissecting the Crosstalk between Endothelial Mitochondrial Damage, Vascular Inflammation, and Neurodegeneration in Cerebral Amyloid Angiopathy and Alzheimer's Disease. Cells 2021; 10:cells10112903. [PMID: 34831125 PMCID: PMC8616424 DOI: 10.3390/cells10112903] [Citation(s) in RCA: 40] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Revised: 10/22/2021] [Accepted: 10/24/2021] [Indexed: 12/25/2022] Open
Abstract
Alzheimer’s disease (AD) is the most prevalent cause of dementia and is pathologically characterized by the presence of parenchymal senile plaques composed of amyloid β (Aβ) and intraneuronal neurofibrillary tangles of hyperphosphorylated tau protein. The accumulation of Aβ also occurs within the cerebral vasculature in over 80% of AD patients and in non-demented individuals, a condition called cerebral amyloid angiopathy (CAA). The development of CAA is associated with neurovascular dysfunction, blood–brain barrier (BBB) leakage, and persistent vascular- and neuro-inflammation, eventually leading to neurodegeneration. Although pathologically AD and CAA are well characterized diseases, the chronology of molecular changes that lead to their development is still unclear. Substantial evidence demonstrates defects in mitochondrial function in various cells of the neurovascular unit as well as in the brain parenchyma during the early stages of AD and CAA. Dysfunctional mitochondria release danger-associated molecular patterns (DAMPs) that activate a wide range of inflammatory pathways. In this review, we gather evidence to postulate a crucial role of the mitochondria, specifically of cerebral endothelial cells, as sensors and initiators of Aβ-induced vascular inflammation. The activated vasculature recruits circulating immune cells into the brain parenchyma, leading to the development of neuroinflammation and neurodegeneration in AD and CAA.
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Affiliation(s)
- Rebecca M. Parodi-Rullán
- Alzheimer’s Center at Temple, Lewis Katz School of Medicine, Temple University, Philadelphia, PA 19140, USA;
| | - Sabzali Javadov
- Department of Physiology, University of Puerto Rico School of Medicine, San Juan, PR 00921, USA;
| | - Silvia Fossati
- Alzheimer’s Center at Temple, Lewis Katz School of Medicine, Temple University, Philadelphia, PA 19140, USA;
- Correspondence: ; Tel.: +1-215-707-6046
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29
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Patro S, Ratna S, Yamamoto HA, Ebenezer AT, Ferguson DS, Kaur A, McIntyre BC, Snow R, Solesio ME. ATP Synthase and Mitochondrial Bioenergetics Dysfunction in Alzheimer's Disease. Int J Mol Sci 2021; 22:11185. [PMID: 34681851 PMCID: PMC8539681 DOI: 10.3390/ijms222011185] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Revised: 10/12/2021] [Accepted: 10/14/2021] [Indexed: 12/11/2022] Open
Abstract
Alzheimer's Disease (AD) is the most common neurodegenerative disorder in our society, as the population ages, its incidence is expected to increase in the coming decades. The etiopathology of this disease still remains largely unclear, probably because of the highly complex and multifactorial nature of AD. However, the presence of mitochondrial dysfunction has been broadly described in AD neurons and other cellular populations within the brain, in a wide variety of models and organisms, including post-mortem humans. Mitochondria are complex organelles that play a crucial role in a wide range of cellular processes, including bioenergetics. In fact, in mammals, including humans, the main source of cellular ATP is the oxidative phosphorylation (OXPHOS), a process that occurs in the mitochondrial electron transfer chain (ETC). The last enzyme of the ETC, and therefore the ulterior generator of ATP, is the ATP synthase. Interestingly, in mammalian cells, the ATP synthase can also degrade ATP under certain conditions (ATPase), which further illustrates the crucial role of this enzyme in the regulation of cellular bioenergetics and metabolism. In this collaborative review, we aim to summarize the knowledge of the presence of dysregulated ATP synthase, and of other components of mammalian mitochondrial bioenergetics, as an early event in AD. This dysregulation can act as a trigger of the dysfunction of the organelle, which is a clear component in the etiopathology of AD. Consequently, the pharmacological modulation of the ATP synthase could be a potential strategy to prevent mitochondrial dysfunction in AD.
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Affiliation(s)
| | | | | | | | | | | | | | | | - Maria E. Solesio
- Department of Biology, College of Arts and Sciences, Rutgers University, Camden, NJ 08103, USA; (S.P.); (S.R.); (H.A.Y.); (A.T.E.); (D.S.F.); (A.K.); (B.C.M.); (R.S.)
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Duan J, Li W, Li W, Liu Q, Tian M, Chen C, Zhang L, Zhang M. Quantitative Proteomics Analysis of Susceptibility and Resilience to Stress in a Rat model of PTSD. Behav Brain Res 2021; 415:113509. [PMID: 34358573 DOI: 10.1016/j.bbr.2021.113509] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Revised: 07/31/2021] [Accepted: 08/01/2021] [Indexed: 11/16/2022]
Abstract
Posttraumatic stress disorder (PTSD) is a prevalent psychiatric disorder and sometimes deadly consequence of exposure to severe psychological trauma. However, there has been little known about the definitive molecular changes involved in determining vulnerability to PTSD. In the current study, we used proteomics to quantify protein changes in the hippocampus of foot shocks rats. A total of 6151 proteins were quantified and 97 proteins were significantly differentially expressed. The protein-protein interaction (PPI) analysis showed that oxidation-reduction process and glutathione homeostasis may be the potential key progress of being vulnerable to PTSD. The Gene Ontology analysis revealed enriched GO terms in the protein groups of Susceptible group vs Control group rats for glutathione binding,oligopeptide binding,modified amino acid binding,and glutathione transferase activity for their molecular functions (MF) and in the process of cellular response to toxic substance,xenobiotic metabolic process, urea metabolic process, and response to drug for the biological process (BP).SIGNIFICANCE:In recent years, there has been a growing interest in mental illness associated with trauma exposure. We found that stress susceptibility was associated with increased expression of arginase 1 indicated as a potential treatment target. Our results also proposed that carbonic anhydrases 3 could be a biomarker for the development of PTSD. This research helps to explain the potential molecular mechanism in PTSD and supply a new method for ameliorating PTSD.
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Affiliation(s)
- Jiao Duan
- Department of Anesthesiology, Guangdong Women and Children Hospital, Guangzhou, China
| | - Wenjun Li
- Department of Anesthesiology, The Third Affiliated Hospital of Southern Medical University, China
| | - Weiyan Li
- Department of Anesthesiology, Jinling Hospital, the first School of Clinical Medicine, Southern Medical University, China
| | - Qingzhen Liu
- Department of Anesthesiology, Jinling Hospital, the first School of Clinical Medicine, Southern Medical University, China
| | - Mi Tian
- Department of Anesthesiology, Jinling Hospital, the first School of Clinical Medicine, Southern Medical University, China
| | - Chunlong Chen
- Department of Anesthesiology, Jinling Hospital, the first School of Clinical Medicine, Southern Medical University, China
| | - Lidong Zhang
- Department of Anesthesiology, Jinling Hospital, the first School of Clinical Medicine, Southern Medical University, China
| | - Minhao Zhang
- Jiangsu Cancer Hospital & Jiangsu Institute of Cancer Research & The Affiliated Cancer Hospital of Nanjing Medical University, China.
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31
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Patel S, Howard D, French L. A pH-eQTL Interaction at the RIT2- SYT4 Parkinson's Disease Risk Locus in the Substantia Nigra. Front Aging Neurosci 2021; 13:690632. [PMID: 34305570 PMCID: PMC8299340 DOI: 10.3389/fnagi.2021.690632] [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: 04/03/2021] [Accepted: 06/14/2021] [Indexed: 11/13/2022] Open
Abstract
Parkinson's disease causes severe motor and cognitive disabilities that result from the progressive loss of dopamine neurons in the substantia nigra. The rs12456492 variant in the RIT2 gene has been repeatedly associated with increased risk for Parkinson's disease. From a transcriptomic perspective, a meta-analysis found that RIT2 gene expression is correlated with pH in the human brain. To assess these pH associations in relation to Parkinson's disease risk, we examined the two datasets that assayed rs12456492, gene expression, and pH in the postmortem human brain. Using the BrainEAC dataset, we replicate the positive correlation between RIT2 gene expression and pH in the human brain (n = 100). Furthermore, we found that the relationship between expression and pH is influenced by rs12456492. When tested across ten brain regions, this interaction is specifically found in the substantia nigra. A similar association was found for the co-localized SYT4 gene. In addition, SYT4 associations are stronger in a combined model with both genes, and the SYT4 interaction appears to be specific to males. In the Genotype-Tissue Expression (GTEx) dataset, the pH associations involving rs12456492 and expression of either SYT4 and RIT2 were not seen. This null finding may be due to the short postmortem intervals of the GTEx tissue samples. In the BrainEAC data, we tested the effect of postmortem interval and only observed the interactions in samples with the longer intervals. These previously unknown associations suggest novel roles for rs12456492, RIT2, and SYT4 in the regulation and response to pH in the substantia nigra.
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Affiliation(s)
- Sejal Patel
- Krembil Centre for Neuroinformatics, Centre for Addiction and Mental Health, Toronto, ON, Canada
| | - Derek Howard
- Krembil Centre for Neuroinformatics, Centre for Addiction and Mental Health, Toronto, ON, Canada
| | - Leon French
- Krembil Centre for Neuroinformatics, Centre for Addiction and Mental Health, Toronto, ON, Canada
- Campbell Family Mental Health Research Institute, Centre for Addiction and Mental Health, Toronto, ON, Canada
- Department of Psychiatry, University of Toronto, Toronto, ON, Canada
- Institute for Medical Science, University of Toronto, Toronto, ON, Canada
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32
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Emerging role of carbonic anhydrase inhibitors. Clin Sci (Lond) 2021; 135:1233-1249. [PMID: 34013961 DOI: 10.1042/cs20210040] [Citation(s) in RCA: 102] [Impact Index Per Article: 34.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2021] [Revised: 05/05/2021] [Accepted: 05/07/2021] [Indexed: 02/07/2023]
Abstract
Inhibition of carbonic anhydrase (CA, EC 4.2.1.1) was clinically exploited for decades, as most modern diuretics were obtained considering as lead molecule acetazolamide, the prototypical CA inhibitor (CAI). The discovery and characterization of multiple human CA (hCA) isoforms, 15 of which being known today, led to new applications of their inhibitors. They include widely clinically used antiglaucoma, antiepileptic and antiobesity agents, antitumor drugs in clinical development, as well as drugs for the management of acute mountain sickness and idiopathic intracranial hypertension (IIH). Emerging roles of several CA isoforms in areas not generally connected to these enzymes were recently documented, such as in neuropathic pain, cerebral ischemia, rheumatoid arthritis, oxidative stress and Alzheimer's disease. Proof-of-concept studies thus emerged by using isoform-selective inhibitors, which may lead to new clinical applications in such areas. Relevant preclinical models are available for these pathologies due to the availability of isoform-selective CAIs for all human isoforms, belonging to novel classes of compounds, such as coumarins, sulfocoumarins, dithiocarbamates, benzoxaboroles, apart the classical sulfonamide inhibitors. The inhibition of CAs from pathogenic bacteria, fungi, protozoans or nematodes started recently to be considered for obtaining anti-infectives with a new mechanism of action.
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33
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Bulli I, Dettori I, Coppi E, Cherchi F, Venturini M, Di Cesare Mannelli L, Ghelardini C, Nocentini A, Supuran CT, Pugliese AM, Pedata F. Role of Carbonic Anhydrase in Cerebral Ischemia and Carbonic Anhydrase Inhibitors as Putative Protective Agents. Int J Mol Sci 2021; 22:5029. [PMID: 34068564 PMCID: PMC8126098 DOI: 10.3390/ijms22095029] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2021] [Revised: 05/07/2021] [Accepted: 05/07/2021] [Indexed: 02/07/2023] Open
Abstract
Ischemic stroke is a leading cause of death and disability worldwide. The only pharmacological treatment available to date for cerebral ischemia is tissue plasminogen activator (t-PA) and the search for successful therapeutic strategies still remains a major challenge. The loss of cerebral blood flow leads to reduced oxygen and glucose supply and a subsequent switch to the glycolytic pathway, which leads to tissue acidification. Carbonic anhydrase (CA, EC 4.2.1.1) is the enzyme responsible for converting carbon dioxide into a protons and bicarbonate, thus contributing to pH regulation and metabolism, with many CA isoforms present in the brain. Recently, numerous studies have shed light on several classes of carbonic anhydrase inhibitor (CAI) as possible new pharmacological agents for the management of brain ischemia. In the present review we summarized pharmacological, preclinical and clinical findings regarding the role of CAIs in strokes and we discuss their potential protective mechanisms.
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Affiliation(s)
- Irene Bulli
- Department of Neuroscience, Psycology, Drug Research and Child Health (NEUROFARBA), Section of Pharmacology and Toxicology, University of Florence, 50139 Florence, Italy; (I.B.); (I.D.); (E.C.); (F.C.); (M.V.); (L.D.C.M.); (C.G.); (A.M.P.)
| | - Ilaria Dettori
- Department of Neuroscience, Psycology, Drug Research and Child Health (NEUROFARBA), Section of Pharmacology and Toxicology, University of Florence, 50139 Florence, Italy; (I.B.); (I.D.); (E.C.); (F.C.); (M.V.); (L.D.C.M.); (C.G.); (A.M.P.)
| | - Elisabetta Coppi
- Department of Neuroscience, Psycology, Drug Research and Child Health (NEUROFARBA), Section of Pharmacology and Toxicology, University of Florence, 50139 Florence, Italy; (I.B.); (I.D.); (E.C.); (F.C.); (M.V.); (L.D.C.M.); (C.G.); (A.M.P.)
| | - Federica Cherchi
- Department of Neuroscience, Psycology, Drug Research and Child Health (NEUROFARBA), Section of Pharmacology and Toxicology, University of Florence, 50139 Florence, Italy; (I.B.); (I.D.); (E.C.); (F.C.); (M.V.); (L.D.C.M.); (C.G.); (A.M.P.)
| | - Martina Venturini
- Department of Neuroscience, Psycology, Drug Research and Child Health (NEUROFARBA), Section of Pharmacology and Toxicology, University of Florence, 50139 Florence, Italy; (I.B.); (I.D.); (E.C.); (F.C.); (M.V.); (L.D.C.M.); (C.G.); (A.M.P.)
| | - Lorenzo Di Cesare Mannelli
- Department of Neuroscience, Psycology, Drug Research and Child Health (NEUROFARBA), Section of Pharmacology and Toxicology, University of Florence, 50139 Florence, Italy; (I.B.); (I.D.); (E.C.); (F.C.); (M.V.); (L.D.C.M.); (C.G.); (A.M.P.)
| | - Carla Ghelardini
- Department of Neuroscience, Psycology, Drug Research and Child Health (NEUROFARBA), Section of Pharmacology and Toxicology, University of Florence, 50139 Florence, Italy; (I.B.); (I.D.); (E.C.); (F.C.); (M.V.); (L.D.C.M.); (C.G.); (A.M.P.)
| | - Alessio Nocentini
- Department of Neuroscience, Psycology, Drug Research and Child Health (NEUROFARBA), Section of Pharmaceutical Sciences, University of Florence, 50019 Florence, Italy;
| | - Claudiu T. Supuran
- Department of Neuroscience, Psycology, Drug Research and Child Health (NEUROFARBA), Section of Pharmaceutical Sciences, University of Florence, 50019 Florence, Italy;
| | - Anna Maria Pugliese
- Department of Neuroscience, Psycology, Drug Research and Child Health (NEUROFARBA), Section of Pharmacology and Toxicology, University of Florence, 50139 Florence, Italy; (I.B.); (I.D.); (E.C.); (F.C.); (M.V.); (L.D.C.M.); (C.G.); (A.M.P.)
| | - Felicita Pedata
- Department of Neuroscience, Psycology, Drug Research and Child Health (NEUROFARBA), Section of Pharmacology and Toxicology, University of Florence, 50139 Florence, Italy; (I.B.); (I.D.); (E.C.); (F.C.); (M.V.); (L.D.C.M.); (C.G.); (A.M.P.)
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34
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Abstract
Coumarins constitute a relatively new class of inhibitors of the zinc enzyme carbonic anhydrase (CA, EC 4.2.1.1), possessing a unique inhibition mechanism, acting as "prodrug inhibitors." They undergo the hydrolysis of the lactone ring mediated by the esterase activity of CA. The formed 2-hydroxy-cinnamic acids thereafter bind within a very particular part of the enzyme active site, at its entrance, where a high variability of amino acid residues among the different mammalian CA isoforms is present, and where other inhibitors classes were not seen bound earlier. This explains why coumarins are among the most isoform-selective CA inhibitors known to date among the many chemotypes endowed with such biological activity. As coumarins are widespread secondary metabolites in some bacteria, plants, fungi, and ascidians, many such compounds from various natural sources have been investigated for their CA inhibitory properties and for possible biomedical applications, mainly as anticancer agents targeting hypoxic tumours.
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Affiliation(s)
- Claudiu T Supuran
- Section of Pharmaceutical and Nutraceutical Sciences, Neurofarba Department, Università degli Studi di Firenze, Florence, Italy
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35
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Canepa E, Fossati S. Impact of Tau on Neurovascular Pathology in Alzheimer's Disease. Front Neurol 2021; 11:573324. [PMID: 33488493 PMCID: PMC7817626 DOI: 10.3389/fneur.2020.573324] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2020] [Accepted: 11/24/2020] [Indexed: 12/13/2022] Open
Abstract
Alzheimer's disease (AD) is a chronic neurodegenerative disorder and the most prevalent cause of dementia. The main cerebral histological hallmarks are represented by parenchymal insoluble deposits of amyloid beta (Aβ plaques) and neurofibrillary tangles (NFT), intracellular filamentous inclusions of tau, a microtubule-associated protein. It is well-established that cerebrovascular dysfunction is an early feature of AD pathology, but the detrimental mechanisms leading to blood vessel impairment and the associated neurovascular deregulation are not fully understood. In 90% of AD cases, Aβ deposition around the brain vasculature, known as cerebral amyloid angiopathy (CAA), alters blood brain barrier (BBB) essential functions. While the effects of vascular Aβ accumulation are better documented, the scientific community has only recently started to consider the impact of tau on neurovascular pathology in AD. Emerging compelling evidence points to transmission of neuronal tau to different brain cells, including astrocytes, as well as to the release of tau into brain interstitial fluids, which may lead to perivascular neurofibrillar tau accumulation and toxicity, affecting vessel architecture, cerebral blood flow (CBF), and vascular permeability. BBB integrity and functionality may therefore be impacted by pathological tau, consequentially accelerating the progression of the disease. Tau aggregates have also been shown to induce mitochondrial damage: it is known that tau impairs mitochondrial localization, distribution and dynamics, alters ATP and reactive oxygen species production, and compromises oxidative phosphorylation systems. In light of this previous knowledge, we postulate that tau can initiate neurovascular pathology in AD through mitochondrial dysregulation. In this review, we will explore the literature investigating tau pathology contribution to the malfunction of the brain vasculature and neurovascular unit, and its association with mitochondrial alterations and caspase activation, in cellular, animal, and human studies of AD and tauopathies.
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Affiliation(s)
- Elisa Canepa
- Alzheimer's Center at Temple (ACT), Lewis Katz School of Medicine, Temple University, Philadelphia, PA, United States
| | - Silvia Fossati
- Alzheimer's Center at Temple (ACT), Lewis Katz School of Medicine, Temple University, Philadelphia, PA, United States
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36
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Borden EA, Furey M, Gattone NJ, Hambardikar VD, Liang XH, Scoma ER, Abou Samra A, D-Gary LR, Dennis DJ, Fricker D, Garcia C, Jiang Z, Khan SA, Kumarasamy D, Kuppala H, Ringrose S, Rosenheim EJ, Van Exel K, Vudhayagiri HS, Zhang J, Zhang Z, Guitart-Mampel M, Urquiza P, Solesio ME. Is there a link between inorganic polyphosphate (polyP), mitochondria, and neurodegeneration? Pharmacol Res 2021; 163:105211. [PMID: 33010423 PMCID: PMC7855267 DOI: 10.1016/j.phrs.2020.105211] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/27/2020] [Revised: 09/08/2020] [Accepted: 09/15/2020] [Indexed: 12/14/2022]
Abstract
Mitochondrial dysfunction - including increased apoptosis, calcium and protein dyshomeostasis within the organelle, and dysfunctional bioenergetics and oxidative status - is a common, early feature in all the major neurodegenerative diseases, including Alzheimer's Disease (AD) and Parkinson's Disease (PD). However, the exact molecular mechanisms that drive the organelle to dysfunction and ultimately to failure in these conditions are still not well described. Different authors have shown that inorganic polyphosphate (polyP), an ancient and well-conserved molecule, plays a key role in the regulation of mitochondrial physiology under basal conditions. PolyP, which is present in all studied organisms, is composed of chains of orthophosphates linked together by highly energetic phosphoanhydride bonds, similar to those found in ATP. This polymer shows a ubiquitous distribution, even if a high co-localization with mitochondria has been reported. It has been proposed that polyP might be an alternative to ATP for cellular energy storage in different organisms, as well as the implication of polyP in the regulation of many of the mitochondrial processes affected in AD and PD, including protein and calcium homeostasis. Here, we conduct a comprehensive review and discussion of the bibliography available regarding the role of polyP in the mitochondrial dysfunction present in AD and PD. Taking into account the data presented in this review, we postulate that polyP could be a valid, innovative and, plausible pharmacological target against mitochondrial dysfunction in AD and PD. However, further research should be conducted to better understand the exact role of polyP in neurodegeneration, as well as the metabolism of the polymer, and the effect of different lengths of polyP on cellular and mitochondrial physiology.
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Affiliation(s)
- Emily A Borden
- Department of Biology, College of Arts and Sciences, Rutgers University, NJ, USA
| | - Matthew Furey
- Department of Biology, College of Arts and Sciences, Rutgers University, NJ, USA
| | - Nicholas J Gattone
- Department of Biology, College of Arts and Sciences, Rutgers University, NJ, USA
| | | | - Xiao Hua Liang
- Department of Biology, College of Arts and Sciences, Rutgers University, NJ, USA
| | - Ernest R Scoma
- Department of Biology, College of Arts and Sciences, Rutgers University, NJ, USA
| | - Antonella Abou Samra
- Department of Biology, College of Arts and Sciences, Rutgers University, NJ, USA
| | - LaKeshia R D-Gary
- Department of Biology, College of Arts and Sciences, Rutgers University, NJ, USA
| | - Dayshaun J Dennis
- Department of Biology, College of Arts and Sciences, Rutgers University, NJ, USA
| | - Daniel Fricker
- Department of Biology, College of Arts and Sciences, Rutgers University, NJ, USA
| | - Cindy Garcia
- Department of Biology, College of Arts and Sciences, Rutgers University, NJ, USA
| | - ZeCheng Jiang
- Department of Biology, College of Arts and Sciences, Rutgers University, NJ, USA
| | - Shariq A Khan
- Department of Biology, College of Arts and Sciences, Rutgers University, NJ, USA
| | | | - Hasmitha Kuppala
- Department of Biology, College of Arts and Sciences, Rutgers University, NJ, USA
| | - Savannah Ringrose
- Department of Biology, College of Arts and Sciences, Rutgers University, NJ, USA
| | - Evan J Rosenheim
- Department of Biology, College of Arts and Sciences, Rutgers University, NJ, USA
| | - Kimberly Van Exel
- Center for Computational and Integrative Biology, Rutgers University, NJ, USA
| | | | - Jiarui Zhang
- Center for Computational and Integrative Biology, Rutgers University, NJ, USA
| | - Zhaowen Zhang
- Department of Biology, College of Arts and Sciences, Rutgers University, NJ, USA
| | | | - Pedro Urquiza
- Department of Biology, College of Arts and Sciences, Rutgers University, NJ, USA
| | - Maria E Solesio
- Department of Biology, College of Arts and Sciences, Rutgers University, NJ, USA; Center for Computational and Integrative Biology, Rutgers University, NJ, USA.
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Kumar S, Rulhania S, Jaswal S, Monga V. Recent advances in the medicinal chemistry of carbonic anhydrase inhibitors. Eur J Med Chem 2021; 209:112923. [PMID: 33121862 DOI: 10.1016/j.ejmech.2020.112923] [Citation(s) in RCA: 57] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Revised: 10/05/2020] [Accepted: 10/07/2020] [Indexed: 02/08/2023]
Abstract
Carbonic anhydrase (CA, EC 4.2.1.1) is an enzyme and a very omnipresent zinc metalloenzyme which catalyzed the reversible hydration and dehydration of carbon dioxide and bicarbonate; a reaction which plays a crucial role in many physiological and pathological processes. Carbonic anhydrase is present in human (h) with sixteen different isoforms ranging from hCA I-hCA XV. All these isoforms are widely distributed in different tissues/organs and are associated with a range of pivotal physiological activities. Due to their involvement in various physiological roles, inhibitors of different human isoforms of carbonic anhydrase have found clinical applications for the treatment of various diseases including glaucoma, retinopathy, hemolytic anemia, epilepsy, obesity, and cancer. However, clinically used inhibitors of CA (acetazolamide, brinzolamide, dorzolamide, etc.) are not selective causing the undesirable side effects. One of the major hurdles in the design and development of carbonic anhydrase inhibitors is the lack of balanced isoform selectivity which thrived to new chemotypes. In this review, we have compiled the recent strategies of various researchers related to the development of carbonic anhydrase inhibitors belonging to different structural classes like pyrimidine, pyrazoline, selenourea, isatin, indole, etc. This review also summarizes the structure-activity relationships, analysis of isoform selectivity including mechanistic and in silico studies to afford ideas and to provide focused direction for the design and development of novel isoform-selective carbonic anhydrase inhibitors with therapeutic implications.
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Affiliation(s)
- Shubham Kumar
- Department of Pharmaceutical Chemistry, ISF College of Pharmacy, GT Road, Ghal Kalan, Moga, 142001, Punjab, India
| | - Sandeep Rulhania
- Department of Pharmaceutical Chemistry, ISF College of Pharmacy, GT Road, Ghal Kalan, Moga, 142001, Punjab, India
| | - Shalini Jaswal
- Department of Pharmaceutical Chemistry, ISF College of Pharmacy, GT Road, Ghal Kalan, Moga, 142001, Punjab, India
| | - Vikramdeep Monga
- Department of Pharmaceutical Chemistry, ISF College of Pharmacy, GT Road, Ghal Kalan, Moga, 142001, Punjab, India.
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Parodi-Rullán R, Sone JY, Fossati S. Endothelial Mitochondrial Dysfunction in Cerebral Amyloid Angiopathy and Alzheimer's Disease. J Alzheimers Dis 2020; 72:1019-1039. [PMID: 31306129 DOI: 10.3233/jad-190357] [Citation(s) in RCA: 66] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Alzheimer's disease (AD) is the most prevalent form of dementia. Cerebrovascular dysfunction is one of the earliest events in the pathogenesis of AD, as well as in vascular and mixed dementias. Cerebral amyloid angiopathy (CAA), the deposition of amyloid around cerebral vessels, is observed in up to 90% of AD patients and in approximately 50% of elderly individuals over 80 years of age. CAA is a strong contributor to vascular dysfunction in AD. CAA-laden brain vessels are characterized by dysfunctional hemodynamics and leaky blood-brain barrier (BBB), contributing to clearance failure and further accumulation of amyloid-β (Aβ) in the cerebrovasculature and brain parenchyma. Mitochondrial dysfunction is increasingly recognized as an important early initiator of the pathogenesis of AD and CAA. The objective of this review is to discuss the effects of Aβ on cerebral microvascular cell function, focusing on its impact on endothelial mitochondria. After introducing CAA and its etiology and genetic risk factors, we describe the pathological relationship between cerebrovascular amyloidosis and brain microvascular endothelial cell dysfunction, critically analyzing its roles in disease progression, hypoperfusion, and BBB integrity. Then, we focus on discussing the effect of Aβ challenge on endothelial mitochondrial dysfunction pathways, and their contribution to the progression of neurovascular dysfunction in AD and dementia. Finally, we report potential pharmacological and non-pharmacological mitochondria-targeted therapeutic strategies which may help prevent or delay cerebrovascular failure.
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Affiliation(s)
- Rebecca Parodi-Rullán
- Alzheimer's Center at Temple, Lewis Katz School of Medicine, Temple University, Philadelphia, PA, USA
| | - Je Yeong Sone
- Department of Psychiatry, Center for Brain Health, NYU School of Medicine, New York, NY, USA
| | - Silvia Fossati
- Alzheimer's Center at Temple, Lewis Katz School of Medicine, Temple University, Philadelphia, PA, USA
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Parodi‐Rullán R, Ghiso J, Cabrera E, Rostagno A, Fossati S. Alzheimer's amyloid β heterogeneous species differentially affect brain endothelial cell viability, blood-brain barrier integrity, and angiogenesis. Aging Cell 2020; 19:e13258. [PMID: 33155752 PMCID: PMC7681048 DOI: 10.1111/acel.13258] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Revised: 09/02/2020] [Accepted: 09/19/2020] [Indexed: 01/05/2023] Open
Abstract
Impaired clearance in the Alzheimer's Disease (AD) brain is key in the formation of Aβ parenchymal plaques and cerebrovascular deposits known as cerebral amyloid angiopathy (CAA), present in >80% of AD patients and ~50% of non-AD elderly subjects. Aβ deposits are highly heterogeneous, containing multiple fragments mostly derived from catabolism of Aβ40/Aβ42, which exhibit dissimilar aggregation properties. Remarkably, the role of these physiologically relevant Aβ species in cerebrovascular injury and their impact in vascular pathology is unknown. We sought to understand how heterogeneous Aβ species affect cerebral endothelial health and assess whether their diverse effects are associated with the peptides aggregation propensities. We analyzed cerebral microvascular endothelial cell (CMEC) viability, blood-brain barrier (BBB) permeability, and angiogenesis, all relevant aspects of brain microvascular dysfunction. We found that Aβ peptides and fragments exerted differential effects on cerebrovascular pathology. Peptides forming mostly oligomeric structures induced CMEC apoptosis, whereas fibrillar aggregates increased BBB permeability without apoptotic effects. Interestingly, all Aβ species tested inhibited angiogenesis in vitro. These data link the biological effects of the heterogeneous Aβ peptides to their primary structure and aggregation, strongly suggesting that the composition of amyloid deposits influences clinical aspects of the AD vascular pathology. As the presence of predominant oligomeric structures in proximity of the vessel walls may lead to CMEC death and induction of microhemorrhages, fibrillar amyloid is likely responsible for increased BBB permeability and associated neurovascular dysfunction. These results have the potential to unveil more specific therapeutic targets and clarify the multifactorial nature of AD.
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Affiliation(s)
- Rebecca Parodi‐Rullán
- Alzheimer's Center at Temple Lewis Katz School of Medicine Temple University Philadelphia PA USA
| | - Jorge Ghiso
- Department of Pathology New York University School of Medicine New York NY USA
- Department of Psychiatry New York University School of Medicine New York NY USA
| | - Erwin Cabrera
- Department of Pathology New York University School of Medicine New York NY USA
| | - Agueda Rostagno
- Department of Pathology New York University School of Medicine New York NY USA
| | - Silvia Fossati
- Alzheimer's Center at Temple Lewis Katz School of Medicine Temple University Philadelphia PA USA
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Thiazolyl-pyrazoline derivatives: In vitro and in silico evaluation as potential acetylcholinesterase and carbonic anhydrase inhibitors. Int J Biol Macromol 2020; 163:1970-1988. [DOI: 10.1016/j.ijbiomac.2020.09.043] [Citation(s) in RCA: 46] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Revised: 09/05/2020] [Accepted: 09/08/2020] [Indexed: 12/15/2022]
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Rehman NU, Esmaeilpour K, Joushi S, Abbas M, Al-Rashida M, Rauf K, Masoumi-Ardakani Y. Effect of 4-Fluoro-N-(4-sulfamoylbenzyl) Benzene Sulfonamide on cognitive deficits and hippocampal plasticity during nicotine withdrawal in rats. Biomed Pharmacother 2020; 131:110783. [PMID: 33152941 DOI: 10.1016/j.biopha.2020.110783] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Revised: 09/03/2020] [Accepted: 09/17/2020] [Indexed: 12/11/2022] Open
Abstract
Withdrawal from chronic nicotine has damaging effects on a variety of learning and memory tasks. Various Sulfonamides that act as carbonic anhydrase inhibitors have documented role in modulation of various cognitive, learning, and memory processing. We investigated the effects of 4-Fluoro-N-(4-sulfamoylbenzyl) Benzene Sulfonamide (4-FBS) on nicotine withdrawal impairments in rats using Morris water maze (MWM), Novel object recognition, Passive avoidance, and open field tasks. Also, Brain-derived neurotrophic factor (BDNF) profiling and in vivo field potential recording were assessed. Rats were exposed to saline or chronic nicotine 3.8 mg/kg subcutaneously for 14 days in four divided doses, spontaneous nicotine withdrawal was induced by quitting nicotine for 72 h (hrs). Animals received 4-FBS at 20, 40, and 60 mg/kg after 72 h of withdrawal in various behavioral and electrophysiological paradigms. Nicotine withdrawal causes a deficit in learning and long-term memory in the MWM task. No significant difference was found in novel object recognition tasks among all groups while in passive avoidance task nicotine withdrawal resulted in a deficit of hippocampus-dependent fear learning. Anxiety like behavior was observed during nicotine withdrawal. Plasma BDNF level was reduced during nicotine withdrawal as compared to the saline group reflecting mild cognitive impairment, stress, and depression. Withdrawal from chronic nicotine altered hippocampal plasticity, caused suppression of long-term potentiation (LTP) in the CA1 area of the hippocampus. Our results showed that 4-FBS at 40 and 60 mg/kg significantly prevented nicotine withdrawal-induced cognitive deficits in behavioral as well as electrophysiological studies. 4-FBS at 60 mg/kg upsurge nicotine withdrawal-induced decrease in plasma BDNF. We conclude that 4-FBS at 40 and 60 mg /kg effectively prevented chronic nicotine withdrawal-induced impairment in long term potentiation and cognitive performance.
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Affiliation(s)
- Naeem Ur Rehman
- Neuroscience Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman, Iran; Department of Pharmacy, COMSATS University Islamabad, Abbottabad Campus, Pakistan
| | - Khadijeh Esmaeilpour
- Neuroscience Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman, Iran.
| | - Sara Joushi
- Neuroscience Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman, Iran
| | - Muzaffar Abbas
- Department of Pharmacy, Capital University of Science and Technology (CUST), Islamabad, Pakistan
| | - Mariya Al-Rashida
- Department of Chemistry, Forman Christian College (A Chartered University), Ferozepur Road, Lahore, 54600, Pakistan
| | - Khalid Rauf
- Department of Pharmacy, COMSATS University Islamabad, Abbottabad Campus, Pakistan.
| | - Yaser Masoumi-Ardakani
- Physiology Research Center, Institute of Basic and Clinical Physiology Sciences, Kerman University of Medical Sciences, Kerman, Iran
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Carare RO, Aldea R, Agarwal N, Bacskai BJ, Bechman I, Boche D, Bu G, Bulters D, Clemens A, Counts SE, de Leon M, Eide PK, Fossati S, Greenberg SM, Hamel E, Hawkes CA, Koronyo‐Hamaoui M, Hainsworth AH, Holtzman D, Ihara M, Jefferson A, Kalaria RN, Kipps CM, Kanninen KM, Leinonen V, McLaurin J, Miners S, Malm T, Nicoll JAR, Piazza F, Paul G, Rich SM, Saito S, Shih A, Scholtzova H, Snyder H, Snyder P, Thormodsson FR, van Veluw SJ, Weller RO, Werring DJ, Wilcock D, Wilson MR, Zlokovic BV, Verma A. Clearance of interstitial fluid (ISF) and CSF (CLIC) group-part of Vascular Professional Interest Area (PIA): Cerebrovascular disease and the failure of elimination of Amyloid-β from the brain and retina with age and Alzheimer's disease-Opportunities for Therapy. ALZHEIMER'S & DEMENTIA (AMSTERDAM, NETHERLANDS) 2020; 12:e12053. [PMID: 32775596 PMCID: PMC7396859 DOI: 10.1002/dad2.12053] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/22/2020] [Accepted: 05/26/2020] [Indexed: 12/22/2022]
Abstract
Two of the key functions of arteries in the brain are (1) the well-recognized supply of blood via the vascular lumen and (2) the emerging role for the arterial walls as routes for the elimination of interstitial fluid (ISF) and soluble metabolites, such as amyloid beta (Aβ), from the brain and retina. As the brain and retina possess no conventional lymphatic vessels, fluid drainage toward peripheral lymph nodes is mediated via transport along basement membranes in the walls of capillaries and arteries that form the intramural peri-arterial drainage (IPAD) system. IPAD tends to fail as arteries age but the mechanisms underlying the failure are unclear. In some people this is reflected in the accumulation of Aβ plaques in the brain in Alzheimer's disease (AD) and deposition of Aβ within artery walls as cerebral amyloid angiopathy (CAA). Knowledge of the dynamics of IPAD and why it fails with age is essential for establishing diagnostic tests for the early stages of the disease and for devising therapies that promote the clearance of Aβ in the prevention and treatment of AD and CAA. This editorial is intended to introduce the rationale that has led to the establishment of the Clearance of Interstitial Fluid (ISF) and CSF (CLIC) group, within the Vascular Professional Interest Area of the Alzheimer's Association International Society to Advance Alzheimer's Research and Treatment.
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Affiliation(s)
| | | | | | | | | | | | | | - Diederik Bulters
- University of SouthamptonSouthamptonUK
- University Hospital Southampton NHS TrustSouthamptonUK
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Christopher M. Kipps
- University of SouthamptonSouthamptonUK
- University Hospital Southampton NHS TrustSouthamptonUK
| | | | | | | | | | - Tarja Malm
- University of Eastern FinlandKuopioFinland
| | | | | | | | | | - Satoshi Saito
- National Cerebral and Cardiovascular CenterOsakaJapan
| | - Andy Shih
- Seattle Children's HospitalSeattleWashingtonUSA
| | | | | | - Peter Snyder
- University of Rhode IslandSouth KingstownRhode IslandUSA
| | | | | | | | - David J. Werring
- Stroke Research CentreUCL Queen Square Institute of NeurologyUniversity College LondonLondonUK
| | | | | | | | - Ajay Verma
- CODIAK BiosciencesCambridgeMassachusettsUSA
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Supuran CT. Exploring the multiple binding modes of inhibitors to carbonic anhydrases for novel drug discovery. Expert Opin Drug Discov 2020; 15:671-686. [PMID: 32208982 DOI: 10.1080/17460441.2020.1743676] [Citation(s) in RCA: 85] [Impact Index Per Article: 21.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
INTRODUCTION The spacious active site cavity of the metalloenzyme carbonic anhydrase (CA, EC 4.2.1.1) shows a great versatility for a variety of binding modes for modulators of activity, inhibitors, and activators, some of which are clinically used drugs. AREAS COVERED There are at least four well-documented CA inhibition mechanisms and the same number of binding modes for CA inhibitors (CAIs), one of which superposes with the binding of activators (CAAs). They include (i) coordination to the catalytic metal ion; (ii) anchoring to the water molecule coordinated to the metal ion; (iii) occlusion of the active site entrance; and (iv) binding outside the active site. A large number of chemical classes of CAIs show these binding modes explored in detail by kinetic, crystallographic, and other techniques. The tail approach was applied to all of them and allowed many classes of highly isoform-selective inhibitors. This is the subject of our review. EXPERT OPINION All active site regions of CAs accommodate inhibitors to bind, which is reflected in very different inhibition profiles for such compounds and the possibility to design drugs with effective action and new applications, such as for the management of hypoxic tumors, neuropathic pain, cerebral ischemia, arthritis, and degenerative disorders.
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Affiliation(s)
- Claudiu T Supuran
- Department of NEUROFARBA, Section of Pharmaceutical and Nutraceutical Sciences, University of Florence , Florence, Italy
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Supuran CT. An update on drug interaction considerations in the therapeutic use of carbonic anhydrase inhibitors. Expert Opin Drug Metab Toxicol 2020; 16:297-307. [DOI: 10.1080/17425255.2020.1743679] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Claudiu T. Supuran
- Department of NEUROFARBA, Section of Pharmaceutical and Nutraceutical Sciences, University of Florence, Florence, Italy
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Rasagiline and selegiline modulate mitochondrial homeostasis, intervene apoptosis system and mitigate α-synuclein cytotoxicity in disease-modifying therapy for Parkinson's disease. J Neural Transm (Vienna) 2020; 127:131-147. [PMID: 31993732 DOI: 10.1007/s00702-020-02150-w] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2019] [Accepted: 01/21/2020] [Indexed: 12/16/2022]
Abstract
Parkinson's disease has been considered as a motor neuron disease with dopamine (DA) deficit caused by neuronal loss in the substantia nigra, but now proposed as a multi-system disorder associated with α-synuclein accumulation in neuronal and non-neuronal systems. Neuroprotection in Parkinson's disease has intended to halt or reverse cell death of nigro-striatal DA neurons and prevent the disease progression, but clinical studies have not presented enough beneficial results, except the trial of rasagiline by delayed start design at low dose of 1 mg/day only. Now strategy of disease-modifying therapy should be reconsidered taking consideration of accumulation and toxicity of α-synuclein preceding the manifest of motor symptoms. Hitherto neuroprotective therapy has been aimed to mitigate non-specific risk factors; oxidative stress, mitochondrial dysfunction, apoptosis, deficits of neurotrophic factors (NTFs), inflammation and accumulation of pathogenic protein. Future disease-modify therapy should target more specified pathogenic factors, including deregulated mitochondrial homeostasis, deficit of NTFs and α-synuclein toxicity. Selegiline and rasagiline, inhibitors of type B monoamine oxidase, have been proved to exhibit potent neuroprotective function: regulation of mitochondrial apoptosis system, maintenance of mitochondrial function, increased expression of genes coding antioxidant enzymes, anti-apoptotic Bcl-2 and pro-survival NTFs, and suppression of oligomerization and aggregation of α-synuclein and the toxicity in cellular and animal experiments. However, the present available pharmacological therapy starts too late to reverse disease progression, and future disease-modifying therapy should include also non-pharmacological complementary therapy during the prodromal stage.
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Sotolongo K, Ghiso J, Rostagno A. Nrf2 activation through the PI3K/GSK-3 axis protects neuronal cells from Aβ-mediated oxidative and metabolic damage. ALZHEIMERS RESEARCH & THERAPY 2020; 12:13. [PMID: 31931869 PMCID: PMC6958642 DOI: 10.1186/s13195-019-0578-9] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/16/2019] [Accepted: 12/30/2019] [Indexed: 01/08/2023]
Abstract
Background Mounting evidence points to a crucial role of amyloid-β (Aβ) in the pathophysiology of Alzheimer’s disease (AD), a disorder in which brain glucose hypometabolism, downregulation of central elements of phosphorylation pathways, reduced ATP levels, and enhanced oxidative damage coexist, and sometimes precede, synaptic alterations and clinical manifestations. Since the brain has limited energy storage capacity, mitochondria play essential roles in maintaining the high levels of energy demand, but, as major consumers of oxygen, these organelles are also the most important generators of reactive oxygen species (ROS). Thus, it is not surprising that mitochondrial dysfunction is tightly linked to synaptic loss and AD pathophysiology. In spite of their relevance, the mechanistic links among ROS homeostasis, metabolic alterations, and cell bioenergetics, particularly in relation to Aβ, still remain elusive. Methods We have used classic biochemical and immunocytochemical approaches together with the evaluation of real-time changes in global energy metabolism in a Seahorse Metabolic Analyzer to provide insights into the detrimental role of oligAβ in SH-SY5Y and primary neurons testing their pharmacologic protection by small molecules. Results Our findings indicate that oligomeric Aβ induces a dramatic increase in ROS production and severely affects neuronal metabolism and bioenergetics. Assessment of global energy metabolism in real time demonstrated Aβ-mediated reduction in oxygen consumption affecting basal and maximal respiration and causing decreased ATP production. Pharmacologic targeting of Aβ-challenged neurons with a set of small molecules of known antioxidant and cytoprotective activity prevented the metabolic/bioenergetic changes induced by the peptide, fully restoring mitochondrial function while inducing an antioxidant response that counterbalanced the ROS production. Search for a mechanistic link among the protective small molecules tested identified the transcription factor Nrf2—compromised by age and downregulated in AD and transgenic models—as their main target and the PI3K/GSK-3 axis as the central pathway through which the compounds elicit their Aβ protective action. Conclusions Our study provides insights into the complex molecular mechanisms triggered by oligAβ which profoundly affect mitochondrial performance and argues for the inclusion of small molecules targeting the PI3K/GSK-3 axis and Nrf2-mediated pathways as part of the current or future combinatorial therapies.
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Affiliation(s)
- Krystal Sotolongo
- Department of Pathology, New York University School of Medicine, 550 First Avenue, New York, NY, 10016, USA
| | - Jorge Ghiso
- Department of Pathology, New York University School of Medicine, 550 First Avenue, New York, NY, 10016, USA. .,Department of Psychiatry, New York University School of Medicine, 550 First Avenue, New York, NY, 10016, USA.
| | - Agueda Rostagno
- Department of Pathology, New York University School of Medicine, 550 First Avenue, New York, NY, 10016, USA.
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Provensi G, Carta F, Nocentini A, Supuran CT, Casamenti F, Passani MB, Fossati S. A New Kid on the Block? Carbonic Anhydrases as Possible New Targets in Alzheimer's Disease. Int J Mol Sci 2019; 20:E4724. [PMID: 31554165 PMCID: PMC6801497 DOI: 10.3390/ijms20194724] [Citation(s) in RCA: 53] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2019] [Revised: 09/20/2019] [Accepted: 09/20/2019] [Indexed: 12/28/2022] Open
Abstract
The increase in the incidence of neurodegenerative diseases, in particular Alzheimer's Disease (AD), is a consequence of the world's population aging but unfortunately, existing treatments are only effective at delaying some of the symptoms and for a limited time. Despite huge efforts by both academic researchers and pharmaceutical companies, no disease-modifying drugs have been brought to the market in the last decades. Recently, several studies shed light on Carbonic Anhydrases (CAs, EC 4.2.1.1) as possible new targets for AD treatment. In the present review we summarized preclinical and clinical findings regarding the role of CAs and their inhibitors/activators on cognition, aging and neurodegeneration and we discuss future challenges and opportunities in the field.
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Affiliation(s)
- Gustavo Provensi
- Department of Neuroscience, Psychology, Drug Research and Child Health (NEUROFARBA), Section of Pharmacology of Toxicology, University of Florence, 50139 Florence, Italy.
| | - Fabrizio Carta
- Department of Neuroscience, Psychology, Drug Research and Child Health (NEUROFARBA), Section of Pharmaceutical and Nutraceutical Sciences, University of Florence, 50019 Florence, Italy.
| | - Alessio Nocentini
- Department of Neuroscience, Psychology, Drug Research and Child Health (NEUROFARBA), Section of Pharmaceutical and Nutraceutical Sciences, University of Florence, 50019 Florence, Italy.
| | - Claudiu T Supuran
- Department of Neuroscience, Psychology, Drug Research and Child Health (NEUROFARBA), Section of Pharmaceutical and Nutraceutical Sciences, University of Florence, 50019 Florence, Italy.
| | - Fiorella Casamenti
- Department of Neuroscience, Psychology, Drug Research and Child Health (NEUROFARBA), Section of Pharmacology of Toxicology, University of Florence, 50139 Florence, Italy.
| | - M Beatrice Passani
- Department of Health Sciences (DSS), Section of Clinical Pharmacology and Oncology, University of Florence, 50139 Florence, Italy.
| | - Silvia Fossati
- Alzheimer's Center at Temple (ACT), Department of Pharmacology, Lewis Katz School of Medicine, Temple University, Philadelphia, PA 19140, USA.
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Chu Q, Zhu Y, Cao T, Zhang Y, Chang Z, Liu Y, Lu J, Zhang Y. Studies on the Neuroprotection of Osthole on Glutamate-Induced Apoptotic Cells and an Alzheimer's Disease Mouse Model via Modulation Oxidative Stress. Appl Biochem Biotechnol 2019; 190:634-644. [PMID: 31407160 DOI: 10.1007/s12010-019-03101-2] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2019] [Accepted: 07/18/2019] [Indexed: 01/02/2023]
Abstract
In the present study, the neuroprotection of osthole (OST) was confirmed. In L-glutamic acid (L-Glu)-damaged HT22 cells, a 3-h pre-incubation with OST-enhanced cell viability suppressed the apoptosis rate; inhibited the activities of caspase-3, caspase-8, and caspase-9; reduced the over-accumulation of intracellular reactive oxygen species; restored the dissipated mitochondrial membrane potential; and regulated the expression levels of B cell lymphoma-2 (Bcl-2), Bax, cleaved poly (ADP-ribose) polymerase (PARP), NF-E2p45-related factor 2 (Nrf2), and its downstream proteins. In amyloid precursor protein/presenilin 1 (APP/PS1) transgenic mice, an 8-week OST administration improved the pathological behaviors related to memory and cognition, and reduced the expression levels of 4-hydroxynonenal, the deposition of β-amyloid peptides and neuronal fiber tangles formed by the high phosphor-Tau in the brain. OST enhanced the expression levels of Nrf2 and its downstream proteins including superoxide dismutase-1 (SOD-1) and heme oxygenase-1 (HO-1). The present data confirmed the protection of OST against AD-like symptoms via modulating oxidative stress, especially Nrf2 signaling.
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Affiliation(s)
- Qiubo Chu
- Department of Neurology, the Second Hospital of Jilin University, Jilin University, Changchun, 130041, China
- School of Life Sciences, Jilin University, Changchun, 130012, China
| | - Yanfeng Zhu
- School of Life Sciences, Jilin University, Changchun, 130012, China
| | - Tianjiao Cao
- School of Life Sciences, Jilin University, Changchun, 130012, China
| | - Yi Zhang
- School of Life Sciences, Jilin University, Changchun, 130012, China
| | - Zecheng Chang
- School of Public Health, Jilin University, Changchun, 130012, Jilin, China
| | - Yan Liu
- School of Life Sciences, Jilin University, Changchun, 130012, China
| | - Jiahui Lu
- School of Life Sciences, Jilin University, Changchun, 130012, China
| | - Yizhi Zhang
- Department of Neurology, the Second Hospital of Jilin University, Jilin University, Changchun, 130041, China.
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Li Z, Jiang L, Chew SH, Hirayama T, Sekido Y, Toyokuni S. Carbonic anhydrase 9 confers resistance to ferroptosis/apoptosis in malignant mesothelioma under hypoxia. Redox Biol 2019; 26:101297. [PMID: 31442913 PMCID: PMC6831888 DOI: 10.1016/j.redox.2019.101297] [Citation(s) in RCA: 100] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2019] [Revised: 07/30/2019] [Accepted: 08/07/2019] [Indexed: 01/30/2023] Open
Abstract
Hypoxia and acidity provide microenvironment for selection under evolutionary pressure and proliferation in cancer cells. Carbonic anhydrases (CAs) are a superfamily of metalloenzymes present in all life kingdoms, equilibrating the reactions among CO2, bicarbonate and H+. CA9, a membrane-associated α-CA, has been a drug target for various cancers. Whereas iron is essential not only for cancer cells but also for all the lives on earth, little is known on the association among hypoxia, iron metabolism, extracellular acidity and redox regulation. Malignant mesothelioma (MM), an aggressive tumor with poor prognosis, is an intriguing model in that asbestos-associated pathogenesis includes excess iron environment during carcinogenesis. Re-analysis of rat asbestos-induced MM model revealed an inverse association between high CA9 expression and survival. Here we used human MMs to identify the molecular events surrounding CA9 from the viewpoint of iron metabolism. CA9 expression was significantly higher in MM cells than in MeT-5A mesothelial cells, which was further amplified under hypoxia (1%O2) with increased catalytic Fe(II). CA9 suppression by inhibitors (S4 and U104) decreased viability and migration of MM cells, accompanied by overexpression of TFRC, IREB1/2 and FPN1(SLC40A1) and by downregulation of FTH/FTL. This expressional pattern was similar to that of erastin-induced ferroptosis in the same cells. Furthermore, we observed mitochondrial fission and enhanced autophagy with increased catalytic Fe(II) in both mitochondria and lysosomes after CA9 inhibition, accompanied by increased peroxides, mitochondrial O2− and lipid peroxidation. The eventual cell death was significantly inhibited by deferoxamine, ferrostatin-1 and Z-VAD-FMK, suggesting a mixed cell death of ferroptosis and apoptosis. Therefore, CA9 plays a role in equilibrating among hypoxia, iron metabolism and redox regulation in MM cells.
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Affiliation(s)
- Zan Li
- Department of Pathology and Biological Responses, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya, 466-8550, Japan
| | - Li Jiang
- Department of Pathology and Biological Responses, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya, 466-8550, Japan
| | - Shan Hwu Chew
- Department of Pathology and Biological Responses, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya, 466-8550, Japan
| | - Tasuku Hirayama
- Laboratory of Pharmaceutical and Medicinal Chemistry, Gifu Pharmaceutical University, 1-25-4 Daigaku-Nishi, Gifu, 501-1113, Japan
| | - Yoshitaka Sekido
- Division of Cancer Biology, Aichi Cancer Center Research Institute, Nagoya, 464-8681, Japan
| | - Shinya Toyokuni
- Department of Pathology and Biological Responses, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya, 466-8550, Japan; Sydney Medical School, The University of Sydney, NSW, Australia.
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Han Y, Nan S, Fan J, Chen Q, Zhang Y. Inonotus obliquus polysaccharides protect against Alzheimer's disease by regulating Nrf2 signaling and exerting antioxidative and antiapoptotic effects. Int J Biol Macromol 2019; 131:769-778. [PMID: 30878614 DOI: 10.1016/j.ijbiomac.2019.03.033] [Citation(s) in RCA: 57] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2019] [Revised: 03/01/2019] [Accepted: 03/04/2019] [Indexed: 01/05/2023]
Abstract
Inonotus obliquus polysaccharide (IOPS) was initially separated and purified via precipitation from an aqueous extract with 80% alcohol, a DEAE-52 cellulose anion exchange column, and a Sephadex G-100 gel permeation chromatography system. IOPS was found to have a molecular weight of 111.9 kDa. In L-glutamic acid (L-Glu)-damaged HT22 cells, a 3-h pre-incubation with IOPS enhanced cell viability, inhibited apoptosis and caspase-3 activity, reduced the release of lactate dehydrogenase, restored the dissipated mitochondrial membrane potential, and suppressed the excess accumulation of intracellular reactive oxygen species. Compared with L-Glu-exposed cells, IOPS pre-treated cells exhibited reduced levels of Bcl-2 associated X protein (Bax) and Kelch-like ECH-associated protein 1 (Keap1) and enhanced levels of B-cell lymphoma-2 (Bcl-2), NF-E2p45-related factor 2 (Nrf2), heme oxygenase-1 (HO-1), superoxide dismutase-1 (SOD-1), and cysteine ligase catalytic subunit. In amyloid precursor protein/presenilin 1 (APP/PS1) transgenic mice, an 8-week course of IOPS improved the pathological behaviors related to memory and cognition, reduced the deposition of β-amyloid peptides and neuronal fiber tangles induced by enhanced phosphor-Tau in the brain, and modulated the levels of anti- and pro-oxidative stress enzymes. Additionally, IOPS enhanced the expression levels of Nrf2 and its downstream proteins, including HO-1 and SOD-1, in the brains of APP/PS1 mice. The present study successfully demonstrated the protective effect of IOPS against AD and revealed the possible mechanism underlying the ability of IOPS to modulate oxidative stress, especially Nrf2 signaling, and mediate mitochondrial apoptosis.
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Affiliation(s)
- Yanqiu Han
- Department of Neurology, The Second Hospital of Jilin University, Jilin University, Changchun 130041, China
| | - Shanji Nan
- Department of Neurology, The Second Hospital of Jilin University, Jilin University, Changchun 130041, China
| | - Jia Fan
- Department of Neurology, The Second Hospital of Jilin University, Jilin University, Changchun 130041, China
| | - Qiuhui Chen
- Department of Neurology, The Second Hospital of Jilin University, Jilin University, Changchun 130041, China
| | - Yizhi Zhang
- Department of Neurology, The Second Hospital of Jilin University, Jilin University, Changchun 130041, China.
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