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Shafqat A, Masters MC, Tripathi U, Tchkonia T, Kirkland JL, Hashmi SK. Long COVID as a disease of accelerated biological aging: An opportunity to translate geroscience interventions. Ageing Res Rev 2024; 99:102400. [PMID: 38945306 DOI: 10.1016/j.arr.2024.102400] [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: 04/21/2024] [Revised: 06/12/2024] [Accepted: 06/27/2024] [Indexed: 07/02/2024]
Abstract
It has been four years since long COVID-the protracted consequences that survivors of COVID-19 face-was first described. Yet, this entity continues to devastate the quality of life of an increasing number of COVID-19 survivors without any approved therapy and a paucity of clinical trials addressing its biological root causes. Notably, many of the symptoms of long COVID are typically seen with advancing age. Leveraging this similarity, we posit that Geroscience-which aims to target the biological drivers of aging to prevent age-associated conditions as a group-could offer promising therapeutic avenues for long COVID. Bearing this in mind, this review presents a translational framework for studying long COVID as a state of effectively accelerated biological aging, identifying research gaps and offering recommendations for future preclinical and clinical studies.
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Affiliation(s)
- Areez Shafqat
- College of Medicine, Alfaisal University, Riyadh, Saudi Arabia.
| | - Mary Clare Masters
- Division of Infectious Diseases, Northwestern University, Chicago, IL, USA
| | - Utkarsh Tripathi
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN, USA
| | - Tamara Tchkonia
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN, USA; Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, USA
| | - James L Kirkland
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN, USA; Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, USA; Department of Internal Medicine, Mayo Clinic, Rochester, MN, USA
| | - Shahrukh K Hashmi
- Department of Internal Medicine, Mayo Clinic, Rochester, MN, USA; Research and Innovation Center, Department of Health, Abu Dhabi, UAE; College of Medicine and Health Sciences, Khalifa University, Abu Dhabi, United Arab Emirates
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2
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Zamani M, Mokarram P, Jamshidi M, Siri M, Ghasemi H. Molecular Modelling of Resveratrol Derivatives with SIRT1 for the Stimulation of Deacetylase Activity. Curr Comput Aided Drug Des 2024; 20:943-954. [PMID: 37842901 DOI: 10.2174/0115734099258321231003161602] [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: 04/23/2023] [Revised: 07/27/2023] [Accepted: 08/15/2023] [Indexed: 10/17/2023]
Abstract
BACKGROUND Resveratrol is a polyphenol that is found in plants and has been proposed to have a potential therapeutic effect through the activation of SIRT1, which is a crucial member of the mammalian NAD+ -dependent deacetylases. However, how its activity is enhanced toward specific substrates by resveratrol derivatives has not been studied. This study aimed to evaluate the types of interaction of resveratrol and its derivatives with SIRT1 as the target protein, as well as to find out the best ligand with the strangest interaction with SIRT1. MATERIALS AND METHODS In this study, we employed the extensive molecular docking analysis using AutoDock Vina to comparatively evaluate the interactions of resveratrol derivatives (22 molecules from the ZINC database) as ligands with SIRT1 (PDB ID: 5BTR) as a receptor. The ChemDraw and Chem3D tools were used to prepare 3D structures of all ligands and energetically minimize them by the MM2 force field. RESULTS The molecular docking and visualizations showed that conformational change in resveratrol derivatives significantly influenced the parameter for docking results. Several types of interactions, including conventional hydrogen bonds, carbon-hydrogen bonds, Pi-donor hydrogen bonds, and Pi-Alkyl, were found via docking analysis of resveratrol derivatives and SIRT1 receptors. The possible activation effect of resveratrol 4'-(6-galloylglucoside) with ZINC ID: ZINC230079516 with higher binding energy score (-46.8608 kJ/mol) to the catalytic domain (CD) of SIRT1 was achieved at the maximum value for SIRT1, as compared to resveratrol and its other derivatives. CONCLUSION Finally, resveratrol 4'-(6-galloylglucoside), as a derivative for resveratrol, has stably interacted with the CD of SIRT1 and might be a potential effective activator for SIRT1.
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Affiliation(s)
- Mozhdeh Zamani
- Autophagy Research Center, Department of Biochemistry, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Pooneh Mokarram
- Autophagy Research Center, Department of Biochemistry, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
- Department of Biochemistry, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Mehdi Jamshidi
- Institute für Chemie, Universität Oldenburg, Carl-von-Ossietzky-Straße 9-11,26129 Oldenburg, Germany
| | - Morvarid Siri
- Autophagy Research Center, Department of Biochemistry, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Hadi Ghasemi
- Autophagy Research Center, Department of Biochemistry, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
- Department of Biochemistry, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
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3
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Ahn JS, Mahbub NU, Kim S, Kim HB, Choi JS, Chung HJ, Hong ST. Nectandrin B significantly increases the lifespan of Drosophila - Nectandrin B for longevity. Aging (Albany NY) 2023; 15:12749-12762. [PMID: 37983180 DOI: 10.18632/aging.205234] [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: 06/19/2023] [Accepted: 10/19/2023] [Indexed: 11/22/2023]
Abstract
Phytochemicals are increasingly recognized in the field of healthy aging as potential therapeutics against various aging-related diseases. Nutmeg, derived from the Myristica fragrans tree, is an example. Nutmeg has been extensively studied and proven to possess antioxidant properties that protect against aging and alleviate serious diseases such as cancer, heart disease, and liver disease. However, the specific active ingredient in nutmeg responsible for these health benefits has not been identified thus far. In this study, we present evidence that Nectandrin B (NecB), a bioactive lignan compound isolated from nutmeg, significantly extended the lifespan of the fruit fly Drosophila melanogaster by as much as 42.6% compared to the control group. NecB also improved age-related symptoms including locomotive deterioration, body weight gain, eye degeneration, and neurodegeneration in aging D. melanogaster. This result represents the most substantial improvement in lifespan observed in animal experiments to date, suggesting that NecB may hold promise as a potential therapeutic agent for promoting longevity and addressing age-related degeneration.
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Affiliation(s)
- Ji-Seon Ahn
- Gwangju Center, Korea Basic Science Institute, Gwangju 61751, Republic of Korea
| | - Nasir Uddin Mahbub
- Department of Biomedical Sciences and Institute for Medical Science, Jeonbuk National University Medical School, Jeonju, Jeonbuk 54907, Republic of Korea
| | - Sura Kim
- Department of Biomedical Sciences and Institute for Medical Science, Jeonbuk National University Medical School, Jeonju, Jeonbuk 54907, Republic of Korea
| | - Han-Byeol Kim
- Gwangju Center, Korea Basic Science Institute, Gwangju 61751, Republic of Korea
- Department of Biomedical Sciences and Institute for Medical Science, Jeonbuk National University Medical School, Jeonju, Jeonbuk 54907, Republic of Korea
| | - Jong-Soon Choi
- Research Center for Materials Analysis, Korea Basic Science Institute, Daejeon, Republic of Korea
- College of Medicine, Chung-Ang University, Seoul 06974, Republic of Korea
| | - Hea-Jong Chung
- Gwangju Center, Korea Basic Science Institute, Gwangju 61751, Republic of Korea
| | - Seong-Tshool Hong
- Department of Biomedical Sciences and Institute for Medical Science, Jeonbuk National University Medical School, Jeonju, Jeonbuk 54907, Republic of Korea
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4
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Schiavi A, Cirotti C, Gerber LS, Di Lauro G, Maglioni S, Shibao PYT, Montresor S, Kirstein J, Petzsch P, Köhrer K, Schins RPF, Wahle T, Barilà D, Ventura N. Abl depletion via autophagy mediates the beneficial effects of quercetin against Alzheimer pathology across species. Cell Death Discov 2023; 9:376. [PMID: 37838776 PMCID: PMC10576830 DOI: 10.1038/s41420-023-01592-x] [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: 02/24/2023] [Revised: 07/10/2023] [Accepted: 08/02/2023] [Indexed: 10/16/2023] Open
Abstract
Alzheimer's disease is the most common age-associated neurodegenerative disorder and the most frequent form of dementia in our society. Aging is a complex biological process concurrently shaped by genetic, dietary and environmental factors and natural compounds are emerging for their beneficial effects against age-related disorders. Besides their antioxidant activity often described in simple model organisms, the molecular mechanisms underlying the beneficial effects of different dietary compounds remain however largely unknown. In the present study, we exploit the nematode Caenorhabditis elegans as a widely established model for aging studies, to test the effects of different natural compounds in vivo and focused on mechanistic aspects of one of them, quercetin, using complementary systems and assays. We show that quercetin has evolutionarily conserved beneficial effects against Alzheimer's disease (AD) pathology: it prevents Amyloid beta (Aβ)-induced detrimental effects in different C. elegans AD models and it reduces Aβ-secretion in mammalian cells. Mechanistically, we found that the beneficial effects of quercetin are mediated by autophagy-dependent reduced expression of Abl tyrosine kinase. In turn, autophagy is required upon Abl suppression to mediate quercetin's protective effects against Aβ toxicity. Our data support the power of C. elegans as an in vivo model to investigate therapeutic options for AD.
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Affiliation(s)
- Alfonso Schiavi
- Leibniz Research Institute for Environmental Medicine (IUF), 40225, Düsseldorf, Germany
| | - Claudia Cirotti
- Department of Biology, University of Rome "Tor Vergata", 00133, Rome, Italy
- Laboratory of Cell Signaling, IRCCS-Fondazione Santa Lucia, 00179, Rome, Italy
| | - Lora-Sophie Gerber
- Leibniz Research Institute for Environmental Medicine (IUF), 40225, Düsseldorf, Germany
- Institute for Risk Assessment Sciences (IRAS), Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands
| | - Giulia Di Lauro
- Leibniz Research Institute for Environmental Medicine (IUF), 40225, Düsseldorf, Germany
| | - Silvia Maglioni
- Leibniz Research Institute for Environmental Medicine (IUF), 40225, Düsseldorf, Germany
- Biological and Medical Research Center (BMFZ), Medical Faculty, Heinrich-Heine-University, 40225, Duesseldorf, Germany
| | - Priscila Yumi Tanaka Shibao
- Department of Cell Biology, University of Bremen, Bremen, Germany
- Leibniz Institute on Aging, Fritz Lipmann Institute, Jena, Germany
| | | | - Janine Kirstein
- Department of Cell Biology, University of Bremen, Bremen, Germany
- Leibniz Institute on Aging, Fritz Lipmann Institute, Jena, Germany
| | - Patrick Petzsch
- Institute of Clinical Chemistry and Laboratory Diagnostic, Medical Faculty, Heinrich-Heine-University, 40225, Düsseldorf, Germany
| | - Karl Köhrer
- Institute of Clinical Chemistry and Laboratory Diagnostic, Medical Faculty, Heinrich-Heine-University, 40225, Düsseldorf, Germany
| | - Roel P F Schins
- Leibniz Research Institute for Environmental Medicine (IUF), 40225, Düsseldorf, Germany
| | - Tina Wahle
- Leibniz Research Institute for Environmental Medicine (IUF), 40225, Düsseldorf, Germany
| | - Daniela Barilà
- Department of Biology, University of Rome "Tor Vergata", 00133, Rome, Italy
- Laboratory of Cell Signaling, IRCCS-Fondazione Santa Lucia, 00179, Rome, Italy
| | - Natascia Ventura
- Leibniz Research Institute for Environmental Medicine (IUF), 40225, Düsseldorf, Germany.
- Biological and Medical Research Center (BMFZ), Medical Faculty, Heinrich-Heine-University, 40225, Duesseldorf, Germany.
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5
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Sieckmann T, Schley G, Ögel N, Kelterborn S, Boivin FJ, Fähling M, Ashraf MI, Reichel M, Vigolo E, Hartner A, Lichtenberger FB, Breiderhoff T, Knauf F, Rosenberger C, Aigner F, Schmidt-Ott K, Scholz H, Kirschner KM. Strikingly conserved gene expression changes of polyamine regulating enzymes among various forms of acute and chronic kidney injury. Kidney Int 2023; 104:90-107. [PMID: 37121432 DOI: 10.1016/j.kint.2023.04.005] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Revised: 03/24/2023] [Accepted: 04/10/2023] [Indexed: 05/02/2023]
Abstract
The polyamines spermidine and spermine and their common precursor molecule putrescine are involved in tissue injury and repair. Here, we test the hypothesis that impaired polyamine homeostasis contributes to various kidney pathologies in mice during experimental models of ischemia-reperfusion, transplantation, rhabdomyolysis, cyclosporine treatment, arterial hypertension, diabetes, unilateral ureteral obstruction, high oxalate feeding, and adenine-induced injuries. We found a remarkably similar pattern in most kidney pathologies with reduced expression of enzymes involved in polyamine synthesis together with increased expression of polyamine degrading enzymes. Transcript levels of amine oxidase copper-containing 1 (Aoc1), an enzyme which catalyzes the breakdown of putrescine, were barely detectable by in situ mRNA hybridization in healthy kidneys. Aoc1 was highly expressed upon various experimental kidney injuries resulting in a significant reduction of kidney putrescine content. Kidney levels of spermine were also significantly reduced, whereas spermidine was increased in response to ischemia-reperfusion injury. Increased Aoc1 expression in injured kidneys was mainly accounted for by an Aoc1 isoform that harbors 22 additional amino acids at its N-terminus and shows increased secretion. Mice with germline deletion of Aoc1 and injured kidneys showed no decrease of kidney putrescine content; although they displayed no overt phenotype, they had fewer tubular casts upon ischemia-reperfusion injury. Hyperosmotic stress stimulated AOC1 expression at the transcriptional and post-transcription levels in metanephric explants and kidney cell lines. AOC1 expression was also significantly enhanced after kidney transplantation in humans. These data demonstrate that the kidneys respond to various forms of injury with down-regulation of polyamine synthesis and activation of the polyamine breakdown pathway. Thus, an imbalance in kidney polyamines may contribute to various etiologies of kidney injury.
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Affiliation(s)
- Tobias Sieckmann
- Institute of Translational Physiology, Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
| | - Gunnar Schley
- Department of Nephrology and Hypertension, Friedrich-Alexander University Erlangen-Nürnberg (FAU), University Hospital Erlangen, Erlangen, Germany
| | - Neslihan Ögel
- Institute of Translational Physiology, Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
| | - Simon Kelterborn
- Institute of Translational Physiology, Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
| | - Felix J Boivin
- Department of Nephrology and Medical Intensive Care, Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany; Molecular and Translational Kidney Research, Max Delbrück Center for Molecular Medicine in the Helmholtz Association, Berlin, Germany
| | - Michael Fähling
- Institute of Translational Physiology, Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
| | - Muhammad I Ashraf
- Department of Surgery, Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
| | - Martin Reichel
- Department of Nephrology and Medical Intensive Care, Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
| | - Emilia Vigolo
- Molecular and Translational Kidney Research, Max Delbrück Center for Molecular Medicine in the Helmholtz Association, Berlin, Germany
| | - Andrea Hartner
- Department of Pediatrics and Adolescent Medicine, Friedrich-Alexander University Erlangen-Nürnberg (FAU), University Hospital Erlangen, Erlangen, Germany
| | - Falk-Bach Lichtenberger
- Institute of Translational Physiology, Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
| | - Tilman Breiderhoff
- Department of Pediatrics, Division of Gastroenterology, Nephrology and Metabolic Diseases, Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
| | - Felix Knauf
- Department of Nephrology and Medical Intensive Care, Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
| | - Christian Rosenberger
- Department of Nephrology and Medical Intensive Care, Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
| | - Felix Aigner
- Department of Surgery, Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany; Department of Surgery, St. John of God Hospital Graz, Graz, Austria
| | - Kai Schmidt-Ott
- Department of Nephrology and Medical Intensive Care, Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany; Molecular and Translational Kidney Research, Max Delbrück Center for Molecular Medicine in the Helmholtz Association, Berlin, Germany; Department of Nephrology and Hypertension, Hannover Medical School, Hannover, Germany
| | - Holger Scholz
- Institute of Translational Physiology, Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
| | - Karin M Kirschner
- Institute of Translational Physiology, Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany.
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6
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Baeken MW. Sirtuins and their influence on autophagy. J Cell Biochem 2023. [PMID: 36745668 DOI: 10.1002/jcb.30377] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Revised: 01/02/2023] [Accepted: 01/19/2023] [Indexed: 02/07/2023]
Abstract
Sirtuins and autophagy are well-characterized agents that can promote longevity and protect individual organisms from age-associated diseases like neurodegenerative disorders. In recent years, more and more data has been obtained that discerned potential overlaps and crosstalk between Sirtuin proteins and autophagic activity. This review aims to summarize the advances within the field for each individual Sirtuin in mammalian systems. In brief, most Sirtuins have been implicated in promoting autophagy, with Sirtuin 1 and Sirtuin 6 showing the highest immediate involvement, while Sirtuin 4 and Sirtuin 5 only demonstrate occasional influence. The way Sirtuins regulate autophagy, however, is very diverse, as they have been shown to regulate gene expression of autophagy-associated genes and posttranslational modifications of proteins, with consequences for the activity and cellular localization of these proteins. They have also been shown to determine specific proteins for autophagic degradation. Overall, much data has been accumulated over recent years, yet many open questions remain. Especially although the dynamic between Sirtuin proteins and the immediate regulation of autophagic players like Light Chain 3B has been confirmed, many of these proteins have various orthologues in mammalian systems, and research so far has not exceeded the bona fide components of autophagy.
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Affiliation(s)
- Marius W Baeken
- Nucleic Acid Chemistry and Engineering Unit, Okinawa Institute of Science and Technology Graduate University, Onna-son, Okinawa, Japan
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7
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Zhai J, Kongsberg WH, Pan Y, Hao C, Wang X, Sun J. Caloric restriction induced epigenetic effects on aging. Front Cell Dev Biol 2023; 10:1079920. [PMID: 36712965 PMCID: PMC9880295 DOI: 10.3389/fcell.2022.1079920] [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: 10/25/2022] [Accepted: 12/31/2022] [Indexed: 01/15/2023] Open
Abstract
Aging is the subject of many studies, facilitating the discovery of many interventions. Epigenetic influences numerous life processes by regulating gene expression and also plays a crucial role in aging regulation. Increasing data suggests that dietary changes can alter epigenetic marks associated with aging. Caloric restriction (CR)is considered an intervention to regulate aging and prolong life span. At present, CR has made some progress by regulating signaling pathways associated with aging as well as the mechanism of action of intercellular signaling molecules against aging. In this review, we will focus on autophagy and epigenetic modifications to elaborate the molecular mechanisms by which CR delays aging by triggering autophagy, epigenetic modifications, and the interaction between the two in caloric restriction. In order to provide new ideas for the study of the mechanism of aging and delaying aging.
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Affiliation(s)
| | | | | | | | | | - Jie Sun
- *Correspondence: Xiaojing Wang, ; Jie Sun,
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8
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Guo FF, Meng FG, Zhang XN, Zeng T. Spermidine inhibits LPS-induced pro-inflammatory activation of macrophages by acting on Nrf2 signaling but not autophagy. J Funct Foods 2022. [DOI: 10.1016/j.jff.2022.105115] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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Resveratrol as a Promising Polyphenol in Age-Associated Cardiac Alterations. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:7911222. [PMID: 35761875 PMCID: PMC9233576 DOI: 10.1155/2022/7911222] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/25/2022] [Accepted: 06/10/2022] [Indexed: 11/18/2022]
Abstract
According to a widely accepted theory, oxidative stress is considered to be the number one trigger of aging-associated degenerative processes including cardiovascular diseases. In the context of aging-research, resveratrol receives special attention with its surprising number of health benefits. The aim of our study was to examine the anti-inflammatory and antioxidant effects of this dietary polyphenol in aging rat heart. 20-month-old female and male Wistar rats were divided into control (untreated) and resveratrol-treated groups. Resveratrol was administered at a dose of 0.05 mg/ml for 12 weeks dissolved in drinking water, while the control rats received ad libitum water. Cardiac level of reactive oxygen species (ROS), nuclear factor kappa B (NFκB), tumor necrosis factor alpha (TNF-α), and glutathione (GSH) parameters, as well as the activity of myeloperoxidase (MPO) and heme oxygenase (HO) enzymes were detected. Together with the biochemical measurements, hearts were isolated and used for an exposure of ischemic-reperfusion injury via Langendorff perfusion system. 12 week of resveratrol treatment suppressed the age-related inflammatory pathways including the expression of TNF-α, NFκB, and the activity of MPO while intensified the endogenous antioxidant defenses through the induction of GSH and HO system. Presumably, as a result of these processes, the necrotic area of the heart in response to an acute injury was also significantly reduced in the resveratrol-treated groups. Our findings confirmed that resveratrol has cardioprotective effects at several points by counteracting the aging-associated cellular malfunctions in the heart.
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10
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Zheng Y, Zhang D, Su L, Wen Y, Wang Y. FAM172A supervises ER (endoplasmic reticulum) stress-triggered autophagy in the epidural fibrosis process. JOR Spine 2022; 5:e1203. [PMID: 35783909 PMCID: PMC9238286 DOI: 10.1002/jsp2.1203] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Revised: 03/28/2022] [Accepted: 04/01/2022] [Indexed: 11/06/2022] Open
Abstract
Backgrounds Lumbar laminectomy is usually utilized for lumbar disc herniation (LDH), but also causes epidural fibrosis (EF) process associated with abnormal proliferation of fibroblasts. FAM172A is associated with ER stress and cell proliferation, but its mechanism was unclear, especially in the process of EF. Methods Therefore, the regulation of FAM172A on the calcium flux and autophagy in fibroblasts were investigated by inducing ER stress with tunicamycin and upexpression or downexpression of FAM172A. The calcium flux was determined using Fluo-3, and autophagy was examined with immunofluorescence or western blot for LC3, Beclin-1, ATG-5, and p62. Moreover, the apoptotic protein of Bax and Bcl-2 was detected, too. Furthermore, the laminectomy model was constructed and then dealt with overexpression of FAM172A. Results Tunicamycin-induced endoplasmic reticulum (ER) stress and autophagy process in fibroblasts were associated with the calcium flux regulated by FAM172A, especially in EF cells. Besides, tunicamycin induced autophagy and suppressed cell apoptosis of fibroblasts. Furthermore, FAM72A repressed the proliferation of fibroblasts and the process of EF in the laminectomy model through the mediation of the autophagy process. Conclusions Tunicamycin-induced endoplasmic reticulum (ER) stress in fibroblasts was associated with calcium flux mediated by FAM172A. FAM72A participated in the autophagy regulation of fibroblasts and maybe the key interaction regulator of apoptosis and autophagy in fibroblasts, especially for epidural scar cells.
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Affiliation(s)
- Yufeng Zheng
- Department of Orthopaedic Surgery, Tangdu Hospital Air Force Medical University Xi'an China
| | - Dianzhong Zhang
- Department of Orthopaedic Surgery, Tangdu Hospital Air Force Medical University Xi'an China
| | - Le Su
- Department of Orthopaedic Surgery The Fourth People's Hospital of Zibo Zibo China
| | - Yanhua Wen
- Department of Orthopaedic Surgery, Tangdu Hospital Air Force Medical University Xi'an China
| | - Yucai Wang
- Department of Orthopaedic Surgery, Tangdu Hospital Air Force Medical University Xi'an China
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11
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Pak M, Bozkurt S, Pınarbaşı A, Öz Arslan D, Aksungar FB. Effects of Prolonged Intermittent Fasting Model on Energy Metabolism and Mitochondrial Functions in Neurons. Ann Neurosci 2022; 29:21-31. [PMID: 35875426 PMCID: PMC9305913 DOI: 10.1177/09727531211072303] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2021] [Accepted: 11/29/2021] [Indexed: 11/17/2022] Open
Abstract
Background: Calorie restriction (CR) during daily nutrition has been shown to affect the prognosis of many chronic diseases such as metabolic syndrome, diabetes, and aging. As an alternative nutrition model, prolonged intermittent fasting (PF) in humans is defined by the absence of food for more than 12 h. In our previous human studies, CR and PF models were compared and it was concluded that the two models might have differences in signal transduction mechanisms. We have investigated the effects of these models on neurons at the molecular level in this study. Methods: Neurons (SH-SY5Y) were incubated with normal medium (N), calorie-restricted medium (CR), fasting medium (PF), and glucose-free medium (G0) for 16 h. Simultaneously, ketone (beta-hydroxybutyrate; bOHB) was added to other experiment flasks containing the same media. Concentrations of lactate, lactate dehydrogenase (LDH), bOHB, and glucose were measured to demonstrate the changes in the energy metabolism together with the mitochondrial functions of cells. Citrate synthase activity and flow cytometric mitochondrial functions were investigated. Results: At the end of incubations, lactate and LDH levels were decreased and mitochondrial activity was increased in all ketone-added groups (P < .01) regardless of the glucose concentration in the environment. In the fasting model, these differences were more prominent. Conclusion: Our results demonstrated that neurons use ketones regardless of the amount of glucose, and bOHB-treated cells had positive changes in mitochondrial function. We conclude that the presence of bOHB might reverse neuron damage and that exogenous ketone treatment may be beneficial in the treatment of neurological diseases in the future.
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Affiliation(s)
- Meltem Pak
- Department of Medical Biochemistry, Acıbadem Mehmet Ali Aydınlar University School of Medicine, Istanbul, Turkey
| | - Süleyman Bozkurt
- Department of Biophysics, Acıbadem Mehmet Ali Aydınlar University School of Medicine, Istanbul, Turkey
| | - Arzu Pınarbaşı
- Department of Medical Biochemistry, Acıbadem Mehmet Ali Aydınlar University School of Medicine, Istanbul, Turkey
| | - Devrim Öz Arslan
- Department of Biophysics, Acıbadem Mehmet Ali Aydınlar University School of Medicine, Istanbul, Turkey
| | - Fehime Benli Aksungar
- Department of Medical Biochemistry, Acıbadem Mehmet Ali Aydınlar University School of Medicine, Istanbul, Turkey
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12
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Debnath N, Kumar R, Kumar A, Mehta PK, Yadav AK. Gut-microbiota derived bioactive metabolites and their functions in host physiology. Biotechnol Genet Eng Rev 2021; 37:105-153. [PMID: 34678130 DOI: 10.1080/02648725.2021.1989847] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Every individual harbours a complex, diverse and mutualistic microbial flora in their intestine and over the time it became an integral part of the body, affecting a plethora of activities of the host. Interaction between host and gut-microbiota affects several aspects of host physiology. Gut-microbiota affects host metabolism by fermenting unabsorbed/undigested carbohydrates in the large intestine. Not only the metabolic functions, any disturbances in the composition of the gut-microbiota during first 2-3 years of life may impact on the brain development and later affects cognition and behaviour. Thus, gut-dysbiosis causes certain serious pathological conditions in the host including metabolic disorders, inflammatory bowel disease and mood alterations, etc. Microbial-metabolites in recent times have emerged as key mediators and are responsible for microbiota induced beneficial effects on host. This review provides an overview of the mechanism of microbial-metabolite production, their respective physiological functions and the impact of gut-microbiome in health and diseases. Metabolites from dietary fibres, aromatic amino acids such as tryptophan, primary bile acids and others are the potential substances and link microbiota to host physiology. Many of these metabolites act as signalling molecules to a number of cells types and also help in the secretion of hormones. Moreover, interaction of microbiota derived metabolites with their host, immunity boosting mechanisms, protection against pathogens and modulation of metabolism is also highlighted here. Understanding all these functional attributes of metabolites produced from gut-microbiota may lead to the opening of a new avenue for preventing and developing potent therapies against several diseases.
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Affiliation(s)
- Nabendu Debnath
- Centre for Molecular Biology, Central University of Jammu, Samba, Jammu & Kashmir, India
| | | | - Ashwani Kumar
- Department of Nutrition Biology, Central University of Haryana, Mahendergarh, Jant-Pali, India
| | - Praveen Kumar Mehta
- Centre for Molecular Biology, Central University of Jammu, Samba, Jammu & Kashmir, India
| | - Ashok Kumar Yadav
- Centre for Molecular Biology, Central University of Jammu, Samba, Jammu & Kashmir, India
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13
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Klionsky DJ, Petroni G, Amaravadi RK, Baehrecke EH, Ballabio A, Boya P, Bravo‐San Pedro JM, Cadwell K, Cecconi F, Choi AMK, Choi ME, Chu CT, Codogno P, Colombo M, Cuervo AM, Deretic V, Dikic I, Elazar Z, Eskelinen E, Fimia GM, Gewirtz DA, Green DR, Hansen M, Jäättelä M, Johansen T, Juhász G, Karantza V, Kraft C, Kroemer G, Ktistakis NT, Kumar S, Lopez‐Otin C, Macleod KF, Madeo F, Martinez J, Meléndez A, Mizushima N, Münz C, Penninger JM, Perera R, Piacentini M, Reggiori F, Rubinsztein DC, Ryan K, Sadoshima J, Santambrogio L, Scorrano L, Simon H, Simon AK, Simonsen A, Stolz A, Tavernarakis N, Tooze SA, Yoshimori T, Yuan J, Yue Z, Zhong Q, Galluzzi L, Pietrocola F. Autophagy in major human diseases. EMBO J 2021; 40:e108863. [PMID: 34459017 PMCID: PMC8488577 DOI: 10.15252/embj.2021108863] [Citation(s) in RCA: 615] [Impact Index Per Article: 205.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Revised: 07/07/2021] [Accepted: 07/12/2021] [Indexed: 02/06/2023] Open
Abstract
Autophagy is a core molecular pathway for the preservation of cellular and organismal homeostasis. Pharmacological and genetic interventions impairing autophagy responses promote or aggravate disease in a plethora of experimental models. Consistently, mutations in autophagy-related processes cause severe human pathologies. Here, we review and discuss preclinical data linking autophagy dysfunction to the pathogenesis of major human disorders including cancer as well as cardiovascular, neurodegenerative, metabolic, pulmonary, renal, infectious, musculoskeletal, and ocular disorders.
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Affiliation(s)
| | - Giulia Petroni
- Department of Radiation OncologyWeill Cornell Medical CollegeNew YorkNYUSA
| | - Ravi K Amaravadi
- Department of MedicineUniversity of PennsylvaniaPhiladelphiaPAUSA
- Abramson Cancer CenterUniversity of PennsylvaniaPhiladelphiaPAUSA
| | - Eric H Baehrecke
- Department of Molecular, Cell and Cancer BiologyUniversity of Massachusetts Medical SchoolWorcesterMAUSA
| | - Andrea Ballabio
- Telethon Institute of Genetics and MedicinePozzuoliItaly
- Department of Translational Medical SciencesSection of PediatricsFederico II UniversityNaplesItaly
- Department of Molecular and Human GeneticsBaylor College of Medicine, and Jan and Dan Duncan Neurological Research InstituteTexas Children HospitalHoustonTXUSA
| | - Patricia Boya
- Margarita Salas Center for Biological ResearchSpanish National Research CouncilMadridSpain
| | - José Manuel Bravo‐San Pedro
- Faculty of MedicineDepartment Section of PhysiologyComplutense University of MadridMadridSpain
- Center for Networked Biomedical Research in Neurodegenerative Diseases (CIBERNED)MadridSpain
| | - Ken Cadwell
- Kimmel Center for Biology and Medicine at the Skirball InstituteNew York University Grossman School of MedicineNew YorkNYUSA
- Department of MicrobiologyNew York University Grossman School of MedicineNew YorkNYUSA
- Division of Gastroenterology and HepatologyDepartment of MedicineNew York University Langone HealthNew YorkNYUSA
| | - Francesco Cecconi
- Cell Stress and Survival UnitCenter for Autophagy, Recycling and Disease (CARD)Danish Cancer Society Research CenterCopenhagenDenmark
- Department of Pediatric Onco‐Hematology and Cell and Gene TherapyIRCCS Bambino Gesù Children's HospitalRomeItaly
- Department of BiologyUniversity of Rome ‘Tor Vergata’RomeItaly
| | - Augustine M K Choi
- Division of Pulmonary and Critical Care MedicineJoan and Sanford I. Weill Department of MedicineWeill Cornell MedicineNew YorkNYUSA
- New York‐Presbyterian HospitalWeill Cornell MedicineNew YorkNYUSA
| | - Mary E Choi
- New York‐Presbyterian HospitalWeill Cornell MedicineNew YorkNYUSA
- Division of Nephrology and HypertensionJoan and Sanford I. Weill Department of MedicineWeill Cornell MedicineNew YorkNYUSA
| | - Charleen T Chu
- Department of PathologyUniversity of Pittsburgh School of MedicinePittsburghPAUSA
| | - Patrice Codogno
- Institut Necker‐Enfants MaladesINSERM U1151‐CNRS UMR 8253ParisFrance
- Université de ParisParisFrance
| | - Maria Isabel Colombo
- Laboratorio de Mecanismos Moleculares Implicados en el Tráfico Vesicular y la Autofagia‐Instituto de Histología y Embriología (IHEM)‐Universidad Nacional de CuyoCONICET‐ Facultad de Ciencias MédicasMendozaArgentina
| | - Ana Maria Cuervo
- Department of Developmental and Molecular BiologyAlbert Einstein College of MedicineBronxNYUSA
- Institute for Aging StudiesAlbert Einstein College of MedicineBronxNYUSA
| | - Vojo Deretic
- Autophagy Inflammation and Metabolism (AIMCenter of Biomedical Research ExcellenceUniversity of New Mexico Health Sciences CenterAlbuquerqueNMUSA
- Department of Molecular Genetics and MicrobiologyUniversity of New Mexico Health Sciences CenterAlbuquerqueNMUSA
| | - Ivan Dikic
- Institute of Biochemistry IISchool of MedicineGoethe UniversityFrankfurt, Frankfurt am MainGermany
- Buchmann Institute for Molecular Life SciencesGoethe UniversityFrankfurt, Frankfurt am MainGermany
| | - Zvulun Elazar
- Department of Biomolecular SciencesThe Weizmann Institute of ScienceRehovotIsrael
| | | | - Gian Maria Fimia
- Department of Molecular MedicineSapienza University of RomeRomeItaly
- Department of EpidemiologyPreclinical Research, and Advanced DiagnosticsNational Institute for Infectious Diseases ‘L. Spallanzani’ IRCCSRomeItaly
| | - David A Gewirtz
- Department of Pharmacology and ToxicologySchool of MedicineVirginia Commonwealth UniversityRichmondVAUSA
| | - Douglas R Green
- Department of ImmunologySt. Jude Children's Research HospitalMemphisTNUSA
| | - Malene Hansen
- Sanford Burnham Prebys Medical Discovery InstituteProgram of DevelopmentAging, and RegenerationLa JollaCAUSA
| | - Marja Jäättelä
- Cell Death and MetabolismCenter for Autophagy, Recycling & DiseaseDanish Cancer Society Research CenterCopenhagenDenmark
- Department of Cellular and Molecular MedicineFaculty of Health SciencesUniversity of CopenhagenCopenhagenDenmark
| | - Terje Johansen
- Department of Medical BiologyMolecular Cancer Research GroupUniversity of Tromsø—The Arctic University of NorwayTromsøNorway
| | - Gábor Juhász
- Institute of GeneticsBiological Research CenterSzegedHungary
- Department of Anatomy, Cell and Developmental BiologyEötvös Loránd UniversityBudapestHungary
| | | | - Claudine Kraft
- Institute of Biochemistry and Molecular BiologyZBMZFaculty of MedicineUniversity of FreiburgFreiburgGermany
- CIBSS ‐ Centre for Integrative Biological Signalling StudiesUniversity of FreiburgFreiburgGermany
| | - Guido Kroemer
- Centre de Recherche des CordeliersEquipe Labellisée par la Ligue Contre le CancerUniversité de ParisSorbonne UniversitéInserm U1138Institut Universitaire de FranceParisFrance
- Metabolomics and Cell Biology PlatformsInstitut Gustave RoussyVillejuifFrance
- Pôle de BiologieHôpital Européen Georges PompidouAP‐HPParisFrance
- Suzhou Institute for Systems MedicineChinese Academy of Medical SciencesSuzhouChina
- Karolinska InstituteDepartment of Women's and Children's HealthKarolinska University HospitalStockholmSweden
| | | | - Sharad Kumar
- Centre for Cancer BiologyUniversity of South AustraliaAdelaideSAAustralia
- Faculty of Health and Medical SciencesUniversity of AdelaideAdelaideSAAustralia
| | - Carlos Lopez‐Otin
- Departamento de Bioquímica y Biología MolecularFacultad de MedicinaInstituto Universitario de Oncología del Principado de Asturias (IUOPA)Universidad de OviedoOviedoSpain
- Centro de Investigación Biomédica en Red de Cáncer (CIBERONC)MadridSpain
| | - Kay F Macleod
- The Ben May Department for Cancer ResearchThe Gordon Center for Integrative SciencesW‐338The University of ChicagoChicagoILUSA
- The University of ChicagoChicagoILUSA
| | - Frank Madeo
- Institute of Molecular BiosciencesNAWI GrazUniversity of GrazGrazAustria
- BioTechMed‐GrazGrazAustria
- Field of Excellence BioHealth – University of GrazGrazAustria
| | - Jennifer Martinez
- Immunity, Inflammation and Disease LaboratoryNational Institute of Environmental Health SciencesNIHResearch Triangle ParkNCUSA
| | - Alicia Meléndez
- Biology Department, Queens CollegeCity University of New YorkFlushingNYUSA
- The Graduate Center Biology and Biochemistry PhD Programs of the City University of New YorkNew YorkNYUSA
| | - Noboru Mizushima
- Department of Biochemistry and Molecular BiologyGraduate School of MedicineThe University of TokyoTokyoJapan
| | - Christian Münz
- Viral ImmunobiologyInstitute of Experimental ImmunologyUniversity of ZurichZurichSwitzerland
| | - Josef M Penninger
- Institute of Molecular Biotechnology of the Austrian Academy of Sciences (IMBA)Vienna BioCenter (VBC)ViennaAustria
- Department of Medical GeneticsLife Sciences InstituteUniversity of British ColumbiaVancouverBCCanada
| | - Rushika M Perera
- Department of AnatomyUniversity of California, San FranciscoSan FranciscoCAUSA
- Department of PathologyUniversity of California, San FranciscoSan FranciscoCAUSA
- Helen Diller Family Comprehensive Cancer CenterUniversity of California, San FranciscoSan FranciscoCAUSA
| | - Mauro Piacentini
- Department of BiologyUniversity of Rome “Tor Vergata”RomeItaly
- Laboratory of Molecular MedicineInstitute of Cytology Russian Academy of ScienceSaint PetersburgRussia
| | - Fulvio Reggiori
- Department of Biomedical Sciences of Cells & SystemsMolecular Cell Biology SectionUniversity of GroningenUniversity Medical Center GroningenGroningenThe Netherlands
| | - David C Rubinsztein
- Department of Medical GeneticsCambridge Institute for Medical ResearchUniversity of CambridgeCambridgeUK
- UK Dementia Research InstituteUniversity of CambridgeCambridgeUK
| | - Kevin M Ryan
- Cancer Research UK Beatson InstituteGlasgowUK
- Institute of Cancer SciencesUniversity of GlasgowGlasgowUK
| | - Junichi Sadoshima
- Department of Cell Biology and Molecular MedicineCardiovascular Research InstituteRutgers New Jersey Medical SchoolNewarkNJUSA
| | - Laura Santambrogio
- Department of Radiation OncologyWeill Cornell Medical CollegeNew YorkNYUSA
- Sandra and Edward Meyer Cancer CenterNew YorkNYUSA
- Caryl and Israel Englander Institute for Precision MedicineNew YorkNYUSA
| | - Luca Scorrano
- Istituto Veneto di Medicina MolecolarePadovaItaly
- Department of BiologyUniversity of PadovaPadovaItaly
| | - Hans‐Uwe Simon
- Institute of PharmacologyUniversity of BernBernSwitzerland
- Department of Clinical Immunology and AllergologySechenov UniversityMoscowRussia
- Laboratory of Molecular ImmunologyInstitute of Fundamental Medicine and BiologyKazan Federal UniversityKazanRussia
| | | | - Anne Simonsen
- Department of Molecular MedicineInstitute of Basic Medical SciencesUniversity of OsloOsloNorway
- Centre for Cancer Cell ReprogrammingInstitute of Clinical MedicineUniversity of OsloOsloNorway
- Department of Molecular Cell BiologyInstitute for Cancer ResearchOslo University Hospital MontebelloOsloNorway
| | - Alexandra Stolz
- Institute of Biochemistry IISchool of MedicineGoethe UniversityFrankfurt, Frankfurt am MainGermany
- Buchmann Institute for Molecular Life SciencesGoethe UniversityFrankfurt, Frankfurt am MainGermany
| | - Nektarios Tavernarakis
- Institute of Molecular Biology and BiotechnologyFoundation for Research and Technology‐HellasHeraklion, CreteGreece
- Department of Basic SciencesSchool of MedicineUniversity of CreteHeraklion, CreteGreece
| | - Sharon A Tooze
- Molecular Cell Biology of AutophagyThe Francis Crick InstituteLondonUK
| | - Tamotsu Yoshimori
- Department of GeneticsGraduate School of MedicineOsaka UniversitySuitaJapan
- Department of Intracellular Membrane DynamicsGraduate School of Frontier BiosciencesOsaka UniversitySuitaJapan
- Integrated Frontier Research for Medical Science DivisionInstitute for Open and Transdisciplinary Research Initiatives (OTRI)Osaka UniversitySuitaJapan
| | - Junying Yuan
- Interdisciplinary Research Center on Biology and ChemistryShanghai Institute of Organic ChemistryChinese Academy of SciencesShanghaiChina
- Department of Cell BiologyHarvard Medical SchoolBostonMAUSA
| | - Zhenyu Yue
- Department of NeurologyFriedman Brain InstituteIcahn School of Medicine at Mount SinaiNew YorkNYUSA
| | - Qing Zhong
- Key Laboratory of Cell Differentiation and Apoptosis of Chinese Ministry of EducationDepartment of PathophysiologyShanghai Jiao Tong University School of Medicine (SJTU‐SM)ShanghaiChina
| | - Lorenzo Galluzzi
- Department of Radiation OncologyWeill Cornell Medical CollegeNew YorkNYUSA
- Sandra and Edward Meyer Cancer CenterNew YorkNYUSA
- Caryl and Israel Englander Institute for Precision MedicineNew YorkNYUSA
- Department of DermatologyYale School of MedicineNew HavenCTUSA
- Université de ParisParisFrance
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14
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Mosquera KD, Martinez Villegas LE, Pidot SJ, Sharif C, Klimpel S, Stinear TP, Moreira LA, Tobias NJ, Lorenzo MG. Multi-Omic Analysis of Symbiotic Bacteria Associated With Aedes aegypti Breeding Sites. Front Microbiol 2021; 12:703711. [PMID: 34475861 PMCID: PMC8406634 DOI: 10.3389/fmicb.2021.703711] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Accepted: 07/23/2021] [Indexed: 12/31/2022] Open
Abstract
Mosquito breeding sites are complex aquatic environments with wide microbial diversity and physicochemical parameters that can change over time during the development of immature insect stages. Changes in biotic and abiotic conditions in water can alter life-history traits of adult mosquitos but this area remains understudied. Here, using microbial genomic and metabolomics analyses, we explored the metabolites associated with Aedes aegypti breeding sites as well as the potential contribution of Klebsiella sp., symbiotic bacteria highly associated with mosquitoes. We sought to address whether breeding sites have a signature metabolic profile and understand the metabolite contribution of the bacteria in the aquatic niches where Ae. aegypti larvae develop. An analysis of 32 mosquito-associated bacterial genomes, including Klebsiella, allowed us to identify gene clusters involved in primary metabolic pathways. From them, we inferred metabolites that could impact larval development (e.g., spermidine), as well as influence the quality assessment of a breeding site by a gravid female (e.g., putrescine), if produced by bacteria in the water. We also detected significant variance in metabolite presence profiles between water samples representing a decoupled oviposition event (oviposition by single females and manually deposited eggs) versus a control where no mosquito interactions occurred (PERMANOVA: p < 0.05; R2 = 24.64% and R2 = 30.07%). Five Klebsiella metabolites were exclusively linked to water samples where oviposition and development occurred. These data suggest metabolomics can be applied to identify compounds potentially used by female Ae. aegypti to evaluate the quality of a breeding site. Elucidating the physiological mechanisms by which the females could integrate these sensory cues while ovipositing constitutes a growing field of interest, which could benefit from a more depurated list of candidate molecules.
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Affiliation(s)
- Katherine D Mosquera
- Vector Behavior and Pathogen Interaction Group, Instituto René Rachou (FIOCRUZ), Belo Horizonte, Brazil
| | - Luis E Martinez Villegas
- Vector Behavior and Pathogen Interaction Group, Instituto René Rachou (FIOCRUZ), Belo Horizonte, Brazil.,Mosquito Vectors: Endosymbionts and Pathogen-Vector Interactions Group, Instituto Ren Rachou (FIOCRUZ), Belo Horizonte, Brazil
| | - Sacha J Pidot
- Department of Microbiology and Immunology, The Doherty Institute, University of Melbourne, Melbourne, VIC, Australia
| | - Chinhda Sharif
- Institute for Ecology, Evolution and Diversity, Goethe University Frankfurt, Frankfurt, Germany
| | - Sven Klimpel
- Institute for Ecology, Evolution and Diversity, Goethe University Frankfurt, Frankfurt, Germany.,LOEWE Center for Translational Biodiversity Genomics (TBG), Frankfurt, Germany.,Senckenberg Gesellschaft für Naturforschung, Frankfurt, Germany
| | - Timothy P Stinear
- Department of Microbiology and Immunology, The Doherty Institute, University of Melbourne, Melbourne, VIC, Australia
| | - Luciano A Moreira
- Mosquito Vectors: Endosymbionts and Pathogen-Vector Interactions Group, Instituto Ren Rachou (FIOCRUZ), Belo Horizonte, Brazil
| | - Nicholas J Tobias
- LOEWE Center for Translational Biodiversity Genomics (TBG), Frankfurt, Germany.,Senckenberg Gesellschaft für Naturforschung, Frankfurt, Germany
| | - Marcelo G Lorenzo
- Vector Behavior and Pathogen Interaction Group, Instituto René Rachou (FIOCRUZ), Belo Horizonte, Brazil
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15
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Russo M, Bono E, Ghigo A. The Interplay Between Autophagy and Senescence in Anthracycline Cardiotoxicity. Curr Heart Fail Rep 2021; 18:180-190. [PMID: 34081265 PMCID: PMC8342382 DOI: 10.1007/s11897-021-00519-w] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 05/19/2021] [Indexed: 02/06/2023]
Abstract
PURPOSE OF REVIEW Doxorubicin (DOXO) is a highly effective chemotherapeutic drug employed for the treatment of a wide spectrum of cancers, spanning from solid tumours to haematopoietic malignancies. However, its clinical use is hampered by severe and dose-dependent cardiac side effects that ultimately lead to heart failure (HF). RECENT FINDINGS Mitochondrial dysfunction and oxidative stress are well-established mechanisms of DOXO-induced cardiotoxicity, although recent evidence suggests that deregulation of other biological processes, like autophagy, could be involved. It is increasingly recognized that autophagy deregulation is intimately interconnected with the initiation of detrimental cellular responses, including autosis and senescence, raising the possibility of using autophagy modulators as well as senolytics and senomorphics for preventing DOXO cardiotoxicity. This review aims at providing an overview of the signalling pathways that are common to autophagy and senescence, with a special focus on how the relationship between these two processes is deregulated in response to cardiotoxic treatments. Finally, we will discuss the potential therapeutic utility of drugs modulating autophagy and/or senescence for counteracting DOXO cardiotoxicity.
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Affiliation(s)
- Michele Russo
- Department of Molecular Biotechnology and Health Sciences, Molecular Biotechnology Center, University of Torino, Via Nizza 52, 10126, Torino, Italy
| | - Enrico Bono
- Department of Molecular Biotechnology and Health Sciences, Molecular Biotechnology Center, University of Torino, Via Nizza 52, 10126, Torino, Italy
| | - Alessandra Ghigo
- Department of Molecular Biotechnology and Health Sciences, Molecular Biotechnology Center, University of Torino, Via Nizza 52, 10126, Torino, Italy.
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16
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Liu X, Chen A, Liang Q, Yang X, Dong Q, Fu M, Wang S, Li Y, Ye Y, Lan Z, Chen Y, Ou J, Yang P, Lu L, Yan J. Spermidine inhibits vascular calcification in chronic kidney disease through modulation of SIRT1 signaling pathway. Aging Cell 2021; 20:e13377. [PMID: 33969611 PMCID: PMC8208796 DOI: 10.1111/acel.13377] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Revised: 03/31/2021] [Accepted: 04/18/2021] [Indexed: 12/20/2022] Open
Abstract
Vascular calcification is a common pathologic condition in patients with chronic kidney disease (CKD) and aging individuals. It has been established that vascular calcification is a gene‐regulated biological process resembling osteogenesis involving osteogenic differentiation. However, there is no efficient treatment available for vascular calcification so far. The natural polyamine spermidine has been demonstrated to increase life span and protect against cardiovascular disease. It is unclear whether spermidine supplementation inhibits vascular calcification in CKD. Alizarin red staining and quantification of calcium content showed that spermidine treatment markedly reduced mineral deposition in both rat and human vascular smooth muscle cells (VSMCs) under osteogenic conditions. Additionally, western blot analysis revealed that spermidine treatment inhibited osteogenic differentiation of rat and human VSMCs. Moreover, spermidine treatment remarkably attenuated calcification of rat and human arterial rings ex vivo and aortic calcification in rats with CKD. Furthermore, treatment with spermidine induced the upregulation of Sirtuin 1 (SIRT1) in VSMCs and resulted in the downregulation of endoplasmic reticulum (ER) stress signaling components, such as activating transcription factor 4 (ATF4) and CCAAT/enhancer‐binding protein homologous protein (CHOP). Both pharmacological inhibition of SIRT1 by SIRT1 inhibitor EX527 and knockdown of SIRT1 by siRNA markedly blocked the inhibitory effect of spermidine on VSMC calcification. Consistently, EX527 abrogated the inhibitory effect of spermidine on aortic calcification in CKD rats. We for the first time demonstrate that spermidine alleviates vascular calcification in CKD by upregulating SIRT1 and inhibiting ER stress, and this may develop a promising therapeutic treatment to ameliorate vascular calcification in CKD.
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Affiliation(s)
- Xiaoyu Liu
- Department of Cardiology Laboratory of Heart Center Heart Center Zhujiang Hospital Southern Medical University Guangzhou China
- Guangdong Provincial Biomedical Engineering Technology Research Center for Cardiovascular Disease Guangzhou China
- Sino‐Japanese Cooperation Platform for Translational Research in Heart Failure Guangzhou China
| | - An Chen
- Department of Cardiology Laboratory of Heart Center Heart Center Zhujiang Hospital Southern Medical University Guangzhou China
- Guangdong Provincial Biomedical Engineering Technology Research Center for Cardiovascular Disease Guangzhou China
- Sino‐Japanese Cooperation Platform for Translational Research in Heart Failure Guangzhou China
| | - Qingchun Liang
- Department of Anesthesiology The Third Affiliated Hospital Southern Medical University Guangzhou China
| | - Xiulin Yang
- Department of Cardiology Laboratory of Heart Center Heart Center Zhujiang Hospital Southern Medical University Guangzhou China
- Guangdong Provincial Biomedical Engineering Technology Research Center for Cardiovascular Disease Guangzhou China
- Sino‐Japanese Cooperation Platform for Translational Research in Heart Failure Guangzhou China
| | - Qianqian Dong
- Department of Cardiology Laboratory of Heart Center Heart Center Zhujiang Hospital Southern Medical University Guangzhou China
- Guangdong Provincial Biomedical Engineering Technology Research Center for Cardiovascular Disease Guangzhou China
- Sino‐Japanese Cooperation Platform for Translational Research in Heart Failure Guangzhou China
| | - Mingwei Fu
- Department of Cardiology Laboratory of Heart Center Heart Center Zhujiang Hospital Southern Medical University Guangzhou China
- Guangdong Provincial Biomedical Engineering Technology Research Center for Cardiovascular Disease Guangzhou China
- Sino‐Japanese Cooperation Platform for Translational Research in Heart Failure Guangzhou China
| | - Siyi Wang
- Department of Cardiology Laboratory of Heart Center Heart Center Zhujiang Hospital Southern Medical University Guangzhou China
- Guangdong Provincial Biomedical Engineering Technology Research Center for Cardiovascular Disease Guangzhou China
- Sino‐Japanese Cooperation Platform for Translational Research in Heart Failure Guangzhou China
| | - Yining Li
- Department of Cardiology Laboratory of Heart Center Heart Center Zhujiang Hospital Southern Medical University Guangzhou China
- Guangdong Provincial Biomedical Engineering Technology Research Center for Cardiovascular Disease Guangzhou China
- Sino‐Japanese Cooperation Platform for Translational Research in Heart Failure Guangzhou China
| | - Yuanzhi Ye
- Department of Cardiology Laboratory of Heart Center Heart Center Zhujiang Hospital Southern Medical University Guangzhou China
- Guangdong Provincial Biomedical Engineering Technology Research Center for Cardiovascular Disease Guangzhou China
- Sino‐Japanese Cooperation Platform for Translational Research in Heart Failure Guangzhou China
| | - Zirong Lan
- Department of Cardiology Laboratory of Heart Center Heart Center Zhujiang Hospital Southern Medical University Guangzhou China
- Guangdong Provincial Biomedical Engineering Technology Research Center for Cardiovascular Disease Guangzhou China
- Sino‐Japanese Cooperation Platform for Translational Research in Heart Failure Guangzhou China
| | - Yanting Chen
- Department of Pathophysiolgy Zhongshan School of Medicine Sun Yat‐Sen University Guangzhou China
| | - Jing‐Song Ou
- Division of Cardiac Surgery The First Affiliated Hospital Sun Yat‐Sen University Guangzhou China
| | - Pingzhen Yang
- Department of Cardiology Laboratory of Heart Center Heart Center Zhujiang Hospital Southern Medical University Guangzhou China
- Guangdong Provincial Biomedical Engineering Technology Research Center for Cardiovascular Disease Guangzhou China
- Sino‐Japanese Cooperation Platform for Translational Research in Heart Failure Guangzhou China
| | - Lihe Lu
- Department of Pathophysiolgy Zhongshan School of Medicine Sun Yat‐Sen University Guangzhou China
| | - Jianyun Yan
- Department of Cardiology Laboratory of Heart Center Heart Center Zhujiang Hospital Southern Medical University Guangzhou China
- Guangdong Provincial Biomedical Engineering Technology Research Center for Cardiovascular Disease Guangzhou China
- Sino‐Japanese Cooperation Platform for Translational Research in Heart Failure Guangzhou China
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17
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Griñán-Ferré C, Bellver-Sanchis A, Izquierdo V, Corpas R, Roig-Soriano J, Chillón M, Andres-Lacueva C, Somogyvári M, Sőti C, Sanfeliu C, Pallàs M. The pleiotropic neuroprotective effects of resveratrol in cognitive decline and Alzheimer's disease pathology: From antioxidant to epigenetic therapy. Ageing Res Rev 2021; 67:101271. [PMID: 33571701 DOI: 10.1016/j.arr.2021.101271] [Citation(s) in RCA: 105] [Impact Index Per Article: 35.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2020] [Revised: 02/03/2021] [Accepted: 02/03/2021] [Indexed: 12/12/2022]
Abstract
While the elderly segment of the population continues growing in importance, neurodegenerative diseases increase exponentially. Lifestyle factors such as nutrition, exercise, and education, among others, influence ageing progression, throughout life. Notably, the Central Nervous System (CNS) can benefit from nutritional strategies and dietary interventions that prevent signs of senescence, such as cognitive decline or neurodegenerative diseases such as Alzheimer's disease and Parkinson's Disease. The dietary polyphenol Resveratrol (RV) possesses antioxidant and cytoprotective effects, producing neuroprotection in several organisms. The oxidative stress (OS) occurs because of Reactive oxygen species (ROS) accumulation that has been proposed to explain the cause of the ageing. One of the most harmful effects of ROS in the cell is DNA damage. Nevertheless, there is also evidence demonstrating that OS can produce other molecular changes such as mitochondrial dysfunction, inflammation, apoptosis, and epigenetic modifications, among others. Interestingly, the dietary polyphenol RV is a potent antioxidant and possesses pleiotropic actions, exerting its activity through various molecular pathways. In addition, recent evidence has shown that RV mediates epigenetic changes involved in ageing and the function of the CNS that persists across generations. Furthermore, it has been demonstrated that RV interacts with gut microbiota, showing modifications in bacterial composition associated with beneficial effects. In this review, we give a comprehensive overview of the main mechanisms of action of RV in different experimental models, including clinical trials and discuss how the interconnection of these molecular events could explain the neuroprotective effects induced by RV.
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Affiliation(s)
- Christian Griñán-Ferré
- Pharmacology Section, Department of Pharmacology, Toxicology, and Therapeutic Chemistry, Faculty of Pharmacy and Food Sciences, Institute of Neuroscience, University of Barcelona (NeuroUB), Av Joan XXIII 27-31, 08028, Barcelona, Spain.
| | - Aina Bellver-Sanchis
- Pharmacology Section, Department of Pharmacology, Toxicology, and Therapeutic Chemistry, Faculty of Pharmacy and Food Sciences, Institute of Neuroscience, University of Barcelona (NeuroUB), Av Joan XXIII 27-31, 08028, Barcelona, Spain
| | - Vanessa Izquierdo
- Pharmacology Section, Department of Pharmacology, Toxicology, and Therapeutic Chemistry, Faculty of Pharmacy and Food Sciences, Institute of Neuroscience, University of Barcelona (NeuroUB), Av Joan XXIII 27-31, 08028, Barcelona, Spain
| | - Rubén Corpas
- Institut d'Investigacions Biomèdiques de Barcelona (IIBB), CSIC, IDIBAPS and CIBERESP, Barcelona, Spain
| | - Joan Roig-Soriano
- Department of Biochemistry and Molecular Biology, Universitat Autònoma Barcelona, Institut de Neurociènces (INc), Universitat Autònoma Barcelona, Bellaterra, Spain
| | - Miguel Chillón
- Department of Biochemistry and Molecular Biology, Universitat Autònoma Barcelona, Institut de Neurociènces (INc), Universitat Autònoma Barcelona, Bellaterra, Spain; Vall d'Hebron Institut de Recerca (VHIR), Research Group on Gene Therapy at Nervous System, Passeig de la Vall d'Hebron, Barcelona, Spain; Unitat producció de Vectors (UPV), Universitat Autònoma Barcelona, Bellaterra, Spain; Institució Catalana de Recerca i Estudis Avançats (ICREA), Barcelona, Spain
| | - Cristina Andres-Lacueva
- Biomarkers and Nutrimetabolomics Laboratory, Department of Nutrition, Food Sciences and Gastronomy, Xarta, INSA, Faculty of Pharmacy and Food Sciences, Campus Torribera, University of Barcelona, Spain; CIBER de Fragilidad y Envejecimiento Saludable (CIBERFES), Instituto de Salut Carlos III, Barcelona, Spain
| | - Milán Somogyvári
- Department of Medical Chemistry, Semmelweis University, Budapest, Hungary
| | - Csaba Sőti
- Department of Medical Chemistry, Semmelweis University, Budapest, Hungary
| | - Coral Sanfeliu
- Institut d'Investigacions Biomèdiques de Barcelona (IIBB), CSIC, IDIBAPS and CIBERESP, Barcelona, Spain
| | - Mercè Pallàs
- Pharmacology Section, Department of Pharmacology, Toxicology, and Therapeutic Chemistry, Faculty of Pharmacy and Food Sciences, Institute of Neuroscience, University of Barcelona (NeuroUB), Av Joan XXIII 27-31, 08028, Barcelona, Spain
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18
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Grajeda-Iglesias C, Durand S, Daillère R, Iribarren K, Lemaitre F, Derosa L, Aprahamian F, Bossut N, Nirmalathasan N, Madeo F, Zitvogel L, Kroemer G. Oral administration of Akkermansia muciniphila elevates systemic antiaging and anticancer metabolites. Aging (Albany NY) 2021; 13:6375-6405. [PMID: 33653967 PMCID: PMC7993698 DOI: 10.18632/aging.202739] [Citation(s) in RCA: 66] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2021] [Accepted: 02/19/2021] [Indexed: 12/13/2022]
Abstract
The presence of Akkermansia muciniphila (Akk) in the human gut is associated with good health, leanness and fitness. Mouse experimentation has demonstrated positive effects for Akk, which counteracts aging, mediates antiobesity and antidiabetic effects, dampens inflammation and improves anticancer immunosurveillance. Clinical trials have confirmed antidiabetic effects for Akk. Here, we investigated the time-dependent effects of oral administration of Akk (which was live or pasteurized) and other bacteria to mice on the metabolome of the ileum, colon, liver and blood plasma. Metabolomics was performed by a combination of chromatographic and mass spectrometric methods, yielding a total of 1.637.227 measurements. Akk had major effects on metabolism, causing an increase in spermidine and other polyamines in the gut and in the liver. Pasteurized Akk (Akk-past) was more efficient than live Akk in elevating the intestinal concentrations of polyamines, short-chain fatty acids, 2-hydroxybutyrate, as well multiple bile acids, which also increased in the circulation. All these metabolites have previously been associated with human health, providing a biochemical basis for the beneficial effects of Akk.
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Affiliation(s)
- Claudia Grajeda-Iglesias
- Gustave Roussy Comprehensive Cancer Institute, Villejuif, France
- Centre de Recherche des Cordeliers, Equipe labellisée Par la Ligue Contre le Cancer, Université de Paris, Sorbonne Université, Inserm U1138, Institut Universitaire de France, Paris, France
- Metabolomics and Cell Biology Platforms, Gustave Roussy Cancer Center, Université Paris Saclay, Villejuif, France
| | - Sylvère Durand
- Gustave Roussy Comprehensive Cancer Institute, Villejuif, France
- Centre de Recherche des Cordeliers, Equipe labellisée Par la Ligue Contre le Cancer, Université de Paris, Sorbonne Université, Inserm U1138, Institut Universitaire de France, Paris, France
- Metabolomics and Cell Biology Platforms, Gustave Roussy Cancer Center, Université Paris Saclay, Villejuif, France
| | | | - Kristina Iribarren
- Gustave Roussy Comprehensive Cancer Institute, Villejuif, France
- Inserm U1015, Villejuif, France
- Center of Clinical Investigations in Biotherapies of Cancer (CICBT) 1428, Villejuif, France
- Faculty of Medicine, Université Paris Saclay, Le Kremlin-Bicêtre, France
| | - Fabien Lemaitre
- Gustave Roussy Comprehensive Cancer Institute, Villejuif, France
- Inserm U1015, Villejuif, France
- Center of Clinical Investigations in Biotherapies of Cancer (CICBT) 1428, Villejuif, France
- Faculty of Medicine, Université Paris Saclay, Le Kremlin-Bicêtre, France
| | - Lisa Derosa
- Gustave Roussy Comprehensive Cancer Institute, Villejuif, France
- Inserm U1015, Villejuif, France
- Center of Clinical Investigations in Biotherapies of Cancer (CICBT) 1428, Villejuif, France
- Faculty of Medicine, Université Paris Saclay, Le Kremlin-Bicêtre, France
| | - Fanny Aprahamian
- Gustave Roussy Comprehensive Cancer Institute, Villejuif, France
- Centre de Recherche des Cordeliers, Equipe labellisée Par la Ligue Contre le Cancer, Université de Paris, Sorbonne Université, Inserm U1138, Institut Universitaire de France, Paris, France
- Metabolomics and Cell Biology Platforms, Gustave Roussy Cancer Center, Université Paris Saclay, Villejuif, France
| | - Noélie Bossut
- Gustave Roussy Comprehensive Cancer Institute, Villejuif, France
- Centre de Recherche des Cordeliers, Equipe labellisée Par la Ligue Contre le Cancer, Université de Paris, Sorbonne Université, Inserm U1138, Institut Universitaire de France, Paris, France
- Metabolomics and Cell Biology Platforms, Gustave Roussy Cancer Center, Université Paris Saclay, Villejuif, France
| | - Nitharsshini Nirmalathasan
- Gustave Roussy Comprehensive Cancer Institute, Villejuif, France
- Centre de Recherche des Cordeliers, Equipe labellisée Par la Ligue Contre le Cancer, Université de Paris, Sorbonne Université, Inserm U1138, Institut Universitaire de France, Paris, France
- Metabolomics and Cell Biology Platforms, Gustave Roussy Cancer Center, Université Paris Saclay, Villejuif, France
| | - Frank Madeo
- Institute of Molecular Biosciences, NAWI Graz, University of Graz, Graz, Austria
- BioTechMed-Graz, Graz, Austria
- Field of Excellence BioHealth, University of Graz, Graz, Austria
| | - Laurence Zitvogel
- Gustave Roussy Comprehensive Cancer Institute, Villejuif, France
- Inserm U1015, Villejuif, France
- Center of Clinical Investigations in Biotherapies of Cancer (CICBT) 1428, Villejuif, France
- Faculty of Medicine, Université Paris Saclay, Le Kremlin-Bicêtre, France
| | - Guido Kroemer
- Gustave Roussy Comprehensive Cancer Institute, Villejuif, France
- Centre de Recherche des Cordeliers, Equipe labellisée Par la Ligue Contre le Cancer, Université de Paris, Sorbonne Université, Inserm U1138, Institut Universitaire de France, Paris, France
- Metabolomics and Cell Biology Platforms, Gustave Roussy Cancer Center, Université Paris Saclay, Villejuif, France
- Pôle De Biologie, Hôpital Européen Georges Pompidou, AP-HP, Paris, France
- Suzhou Institute for Systems Medicine, Chinese Academy of Medical Sciences, Suzhou, China
- Karolinska Institute, Department of Women’s and Children’s Health, Karolinska University Hospital, Stockholm, Sweden
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19
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Rottenberg H, Hoek JB. The Mitochondrial Permeability Transition: Nexus of Aging, Disease and Longevity. Cells 2021; 10:cells10010079. [PMID: 33418876 PMCID: PMC7825081 DOI: 10.3390/cells10010079] [Citation(s) in RCA: 44] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2020] [Revised: 12/23/2020] [Accepted: 01/01/2021] [Indexed: 12/11/2022] Open
Abstract
The activity of the mitochondrial permeability transition pore, mPTP, a highly regulated multi-component mega-channel, is enhanced in aging and in aging-driven degenerative diseases. mPTP activity accelerates aging by releasing large amounts of cell-damaging reactive oxygen species, Ca2+ and NAD+. The various pathways that control the channel activity, directly or indirectly, can therefore either inhibit or accelerate aging or retard or enhance the progression of aging-driven degenerative diseases and determine lifespan and healthspan. Autophagy, a catabolic process that removes and digests damaged proteins and organelles, protects the cell against aging and disease. However, the protective effect of autophagy depends on mTORC2/SKG1 inhibition of mPTP. Autophagy is inhibited in aging cells. Mitophagy, a specialized form of autophagy, which retards aging by removing mitochondrial fragments with activated mPTP, is also inhibited in aging cells, and this inhibition leads to increased mPTP activation, which is a major contributor to neurodegenerative diseases, such as Alzheimer's and Parkinson's diseases. The increased activity of mPTP in aging turns autophagy/mitophagy into a destructive process leading to cell aging and death. Several drugs and lifestyle modifications that enhance healthspan and lifespan enhance autophagy and inhibit the activation of mPTP. Therefore, elucidating the intricate connections between pathways that activate and inhibit mPTP, in the context of aging and degenerative diseases, could enhance the discovery of new drugs and lifestyle modifications that slow aging and degenerative disease.
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Affiliation(s)
- Hagai Rottenberg
- New Hope Biomedical R&D, 23 W. Bridge street, New Hope, PA 18938, USA
- Correspondence: ; Tel.: +1-267-614-5588
| | - Jan B. Hoek
- MitoCare Center, Department of Anatomy, Pathology and Cell Biology, Thomas Jefferson University, Philadelphia, PA 19107, USA;
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20
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Fu M, Zhang X, Zhang X, Yang L, Luo S, Liu H. Autophagy Plays a Role in the Prolongation of the Life Span of Caenorhabditis elegans by Astaxanthin. Rejuvenation Res 2020; 24:198-205. [PMID: 33115330 DOI: 10.1089/rej.2020.2355] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Astaxanthin (AST), a xanthophyll belonging to the family of carotenoids, is a potent antioxidant. The effect of AST on longevity and its physiological and molecular mechanism are still unclear. In this study, we proved that AST could prolong the life span of Caenorhabditis elegans. To uncover whether AST could delay aging by upregulating autophagy, we measured the expression of autophagy gene and the life span of autophagy gene bec-1 mutant nematodes, and the results showed that the expression of autophagy gene was upregulated after AST intervention and the disruption of bec-1 weakened the extension of the life span. To explore the molecular mechanism of AST-induced autophagy upregulation, we knocked out the daf-16 or hlh-30 (key genes of insulin/insulin growth factor-1 [IGF-1] signal pathway or target of rapamycin [TOR] signal pathway) by RNA interference, and the expression of autophagy gene lgg-1 decreased. Collectively, our results strongly suggest that autophagy, which is both the insulin/IGF-1 signal pathway dependent and TOR signal pathway dependent, plays a role in the prolongation of the life span of Caenorhabditis elegans by AST.
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Affiliation(s)
- Min Fu
- Department of Nutrition and Food Science, School of Public Health, Tianjin Medical University, Tianjin, China.,Tianjin Key Laboratory of Environment, Nutrition and Public Health, Center for International Collaborative Research on Environment, Nutrition and Public Health, Tianjin Medical University, Tianjin, China
| | - Xumei Zhang
- Department of Nutrition and Food Science, School of Public Health, Tianjin Medical University, Tianjin, China.,Tianjin Key Laboratory of Environment, Nutrition and Public Health, Center for International Collaborative Research on Environment, Nutrition and Public Health, Tianjin Medical University, Tianjin, China
| | - Xuguang Zhang
- Science and Technology Centre, By-Health Co. Ltd, Guangzhou, China
| | - Liu Yang
- Department of Nutrition and Food Science, School of Public Health, Tianjin Medical University, Tianjin, China.,Tianjin Key Laboratory of Environment, Nutrition and Public Health, Center for International Collaborative Research on Environment, Nutrition and Public Health, Tianjin Medical University, Tianjin, China
| | - Suhui Luo
- Department of Nutrition and Food Science, School of Public Health, Tianjin Medical University, Tianjin, China.,Tianjin Key Laboratory of Environment, Nutrition and Public Health, Center for International Collaborative Research on Environment, Nutrition and Public Health, Tianjin Medical University, Tianjin, China
| | - Huan Liu
- Department of Nutrition and Food Science, School of Public Health, Tianjin Medical University, Tianjin, China.,Tianjin Key Laboratory of Environment, Nutrition and Public Health, Center for International Collaborative Research on Environment, Nutrition and Public Health, Tianjin Medical University, Tianjin, China
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21
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Mongelli A, Atlante S, Barbi V, Bachetti T, Martelli F, Farsetti A, Gaetano C. Treating Senescence like Cancer: Novel Perspectives in Senotherapy of Chronic Diseases. Int J Mol Sci 2020; 21:ijms21217984. [PMID: 33121118 PMCID: PMC7663758 DOI: 10.3390/ijms21217984] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2020] [Revised: 10/19/2020] [Accepted: 10/21/2020] [Indexed: 12/12/2022] Open
Abstract
The WHO estimated around 41 million deaths worldwide each year for age-related non-communicable chronic diseases. Hence, developing strategies to control the accumulation of cell senescence in living organisms and the overall aging process is an urgently needed problem of social relevance. During aging, many biological processes are altered, which globally induce the dysfunction of the whole organism. Cell senescence is one of the causes of this modification. Nowadays, several drugs approved for anticancer therapy have been repurposed to treat senescence, and others are under scrutiny in vitro and in vivo to establish their senomorphic or senolytic properties. In some cases, this research led to a significant increase in cell survival or to a prolonged lifespan in animal models, at least. Senomorphics can act to interfere with a specific pathway in order to restore the appropriate cellular function, preserve viability, and to prolong the lifespan. On the other hand, senolytics induce apoptosis in senescent cells allowing the remaining non–senescent population to preserve or restore tissue function. A large number of research articles and reviews recently addressed this topic. Herein, we would like to focus attention on those chemical agents with senomorphic or senolytic properties that perspectively, according to literature, suggest a potential application as senotherapeutics for chronic diseases.
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Affiliation(s)
- Alessia Mongelli
- Laboratorio di Epigenetica, Istituti Clinici Scientifici Maugeri IRCCS, Via Maugeri 4, 27100 Pavia, Italy; (A.M.); (S.A.); (V.B.)
| | - Sandra Atlante
- Laboratorio di Epigenetica, Istituti Clinici Scientifici Maugeri IRCCS, Via Maugeri 4, 27100 Pavia, Italy; (A.M.); (S.A.); (V.B.)
| | - Veronica Barbi
- Laboratorio di Epigenetica, Istituti Clinici Scientifici Maugeri IRCCS, Via Maugeri 4, 27100 Pavia, Italy; (A.M.); (S.A.); (V.B.)
| | - Tiziana Bachetti
- Direzione Scientifica, Istituti Clinici Scientifici Maugeri IRCCS, Via Maugeri 4, 27100 Pavia, Italy;
| | - Fabio Martelli
- Laboratorio di Cardiologia Molecolare, Policlinico San Donato IRCCS, San Donato Milanese, 20097 Milano; Italy,
| | - Antonella Farsetti
- Institute for Systems Analysis and Computer Science “A. Ruberti” (IASI), National Research Council (CNR), 00185 Rome, Italy
- Correspondence: (A.F.); (C.G.)
| | - Carlo Gaetano
- Laboratorio di Epigenetica, Istituti Clinici Scientifici Maugeri IRCCS, Via Maugeri 4, 27100 Pavia, Italy; (A.M.); (S.A.); (V.B.)
- Correspondence: (A.F.); (C.G.)
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22
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Spermidine, a caloric restriction mimetic, provides neuroprotection against normal and D-galactose-induced oxidative stress and apoptosis through activation of autophagy in male rats during aging. Biogerontology 2020; 22:35-47. [PMID: 32979155 DOI: 10.1007/s10522-020-09900-z] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2020] [Accepted: 09/18/2020] [Indexed: 12/12/2022]
Abstract
Spermidine (SPD) is a natural polyamine present in all living organisms and is involved in the maintenance of cellular homeostasis by inducing autophagy in different model organisms. Its role as a caloric restriction mimetic (CRM) is still being investigated. We have undertaken this study to investigate whether SPD, acting as a CRM, can confer neuroprotection in D-galactose induced accelerated senescence model rat and naturally aged rats through modulation of autophagy and inflammation. Young male rats (4 months), D-gal induced (500 mg/kg b.w., subcutaneously) aging and naturally aged (22 months) male rats were supplemented with SPD (10 mg/kg b.w., orally) for 6 weeks. Standard protocols were employed to measure prooxidants, antioxidants, apoptotic cell death and electron transport chain complexes in brain tissues. Gene expression analysis with reverse transcriptase-polymerase chain reaction (RT-PCR) was performed to assess the expression of autophagy and inflammatory marker genes. Our data demonstrate that SPD significantly (p ≤ 0.05) decreased the level of pro-oxidants and increased the level of antioxidants. SPD supplementation also augmented the activities of electron transport chain complexes in aged brain mitochondria thus proving its antioxidant potential at the level of mitochondria. RT-PCR data revealed that SPD up-regulated the expression of autophagy genes (ATG-3, Beclin-1, ULK-1 and LC3B) and down-regulated the expression of the inflammatory gene (IL-6) in aging brain. Our results provide first line of evidence that SPD provides neuroprotection against aging-induced oxidative stress by regulating autophagy, antioxidants level and also reduces neuroinflammation. These results suggest that SPD may be beneficial for neuroprotection during aging and age-related disorders.
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23
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Sorrenti V, Davinelli S, Scapagnini G, Willcox BJ, Allsopp RC, Willcox DC. Astaxanthin as a Putative Geroprotector: Molecular Basis and Focus on Brain Aging. Mar Drugs 2020; 18:md18070351. [PMID: 32635607 PMCID: PMC7401246 DOI: 10.3390/md18070351] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2020] [Revised: 06/26/2020] [Accepted: 07/01/2020] [Indexed: 12/16/2022] Open
Abstract
In recent years, the scientific interest in natural compounds with geroprotective activities has grown exponentially. Among the various naturally derived molecules, astaxanthin (ASX) represents a highly promising candidate geroprotector. By virtue of the central polyene chain, ASX acts as a scavenger of free radicals in the internal membrane layer and simultaneously controls oxidation on the membrane surface. Moreover, several studies have highlighted ASX’s ability to modulate numerous biological mechanisms at the cellular level, including the modulation of transcription factors and genes directly linked to longevity-related pathways. One of the main relevant evolutionarily-conserved transcription factors modulated by astaxanthin is the forkhead box O3 gene (FOXO3), which has been recognized as a critical controller of cell fate and function. Moreover, FOXO3 is one of only two genes shown to robustly affect human longevity. Due to its tropism in the brain, ASX has recently been studied as a putative neuroprotective molecule capable of delaying or preventing brain aging in different experimental models of brain damage or neurodegenerative diseases. Astaxanthin has been observed to slow down brain aging by increasing brain-derived neurotrophic factor (BDNF) levels in the brain, attenuating oxidative damage to lipids, protein, and DNA and protecting mitochondrial functions. Emerging data now suggest that ASX can modulate Nrf2, FOXO3, Sirt1, and Klotho proteins that are linked to longevity. Together, these mechanisms provide support for a role of ASX as a potential geroneuroprotector.
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Affiliation(s)
- Vincenzo Sorrenti
- Department of Pharmaceutical Pharmacological Sciences, University of Padova, 35131 Padova, Italy
- Bendessere™ Study Center, 35131 Padova, Italy
- Correspondence:
| | - Sergio Davinelli
- Department of Medicine and Health Sciences “V. Tiberio”, University of Molise, Via de Sanctis s.n.c, 86100 Campobasso, Italy; (S.D.); (G.S.)
| | - Giovanni Scapagnini
- Department of Medicine and Health Sciences “V. Tiberio”, University of Molise, Via de Sanctis s.n.c, 86100 Campobasso, Italy; (S.D.); (G.S.)
| | - Bradley J. Willcox
- Department of Geriatric Medicine, John A. Burns School of Medicine, University of Hawaii, Honolulu, HI 96817, USA; (B.J.W.); (D.C.W.)
- Department of Research, Kuakini Medical Center, Honolulu, HI 96817, USA
| | - Richard C. Allsopp
- Department of Anatomy and Reproductive Biology, Institute for Biogenesis Research, John A. Burns School of Medicine, University of Hawaii, Honolulu, HI 96813, USA;
| | - Donald C. Willcox
- Department of Geriatric Medicine, John A. Burns School of Medicine, University of Hawaii, Honolulu, HI 96817, USA; (B.J.W.); (D.C.W.)
- Department of Research, Kuakini Medical Center, Honolulu, HI 96817, USA
- Department of Human Welfare, Okinawa International University, Ginowan 901-2701, Japan
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24
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Adacan K, Obakan-Yerlikaya P, Arisan ED, Coker-Gurkan A, Kaya RI, Palavan-Unsal N. Epibrassinolide-induced autophagy occurs in an Atg5-independent manner due to endoplasmic stress induction in MEF cells. Amino Acids 2020; 52:871-891. [PMID: 32449072 DOI: 10.1007/s00726-020-02857-w] [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: 01/16/2020] [Accepted: 05/12/2020] [Indexed: 01/10/2023]
Abstract
Epibrassinolide (EBR), a polyhydroxysteroid belongs to plant growth regulator family, brassinosteroids and has been shown to have a similar chemical structure to mammalian steroid hormones. Our findings indicated that EBR could trigger apoptosis in cancer cells via induction of endoplasmic reticulum (ER) stress, caused by protein folding disturbance in the ER. Normal cells exhibited a remarkable resistance to EBR treatment and avoid from apoptotic cell death. The unfolded protein response clears un/misfolded proteins and restore ER functions. When stress is chronic, cells tend to die due to improper cellular functions. To understand the effect of EBR in non-malign cells, mouse embryonic fibroblast (MEF) cells were investigated in detail for ER stress biomarkers, autophagy, and polyamine metabolism in this study. Evolutionary conserved autophagy mechanism is a crucial cellular process to clean damaged organelles and protein aggregates through lysosome under the control of autophagy-related genes (ATGs). Cells tend to activate autophagy to promote cell survival under stress conditions. Polyamines are polycationic molecules playing a role in the homeostasis of important cellular events such as cell survival, growth, and, proliferation. The administration of PAs has been markedly extended the lifespan of various organisms via inducing autophagy and inhibiting oxidative stress. Our data indicated that ER stress is induced following EBR treatment in MEF cells as well as MEF Atg5-/- cells. In addition, autophagy is activated following EBR treatment by targeting PI3K/Akt/mTOR in wildtype (wt) cells. However, EBR-induced autophagy targets ULK1 in MEF cells lacking Atg5 expression. Besides, EBR treatment depleted the PA pool in MEF cells through the alterations of metabolic enzymes. The administration of Spd with EBR further increased autophagic vacuole formation. In conclusion, EBR is an anticancer drug candidate with selective cytotoxicity for cancer cells, in addition the induction of autophagy and PA metabolism are critical for responses of normal cells against EBR.
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Affiliation(s)
- Kaan Adacan
- Department of Molecular Biology and Genetics, Istanbul Kultur University, Ataköy Campus, Bakirkoy, 34156, Istanbul, Turkey
| | - Pınar Obakan-Yerlikaya
- Department of Molecular Biology and Genetics, Istanbul Kultur University, Ataköy Campus, Bakirkoy, 34156, Istanbul, Turkey.
| | - Elif Damla Arisan
- Institute of Biotechnology, Gebze Technical University, 41400, Gebze, Kocaeli, Turkey
| | - Ajda Coker-Gurkan
- Department of Molecular Biology and Genetics, Istanbul Kultur University, Ataköy Campus, Bakirkoy, 34156, Istanbul, Turkey
| | - Resul Ismail Kaya
- Department of Molecular Biology and Genetics, Istanbul Kultur University, Ataköy Campus, Bakirkoy, 34156, Istanbul, Turkey
| | - Narçın Palavan-Unsal
- Department of Molecular Biology and Genetics, Istanbul Kultur University, Ataköy Campus, Bakirkoy, 34156, Istanbul, Turkey
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25
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Gonzalez-Freire M, Diaz-Ruiz A, Hauser D, Martinez-Romero J, Ferrucci L, Bernier M, de Cabo R. The road ahead for health and lifespan interventions. Ageing Res Rev 2020; 59:101037. [PMID: 32109604 DOI: 10.1016/j.arr.2020.101037] [Citation(s) in RCA: 56] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2018] [Revised: 01/21/2020] [Accepted: 02/23/2020] [Indexed: 12/20/2022]
Abstract
Aging is a modifiable risk factor for most chronic diseases and an inevitable process in humans. The development of pharmacological interventions aimed at delaying or preventing the onset of chronic conditions and other age-related diseases has been at the forefront of the aging field. Preclinical findings have demonstrated that species, sex and strain confer significant heterogeneity on reaching the desired health- and lifespan-promoting pharmacological responses in model organisms. Translating the safety and efficacy of these interventions to humans and the lack of reliable biomarkers that serve as predictors of health outcomes remain a challenge. Here, we will survey current pharmacological interventions that promote lifespan extension and/or increased healthspan in animals and humans, and review the various anti-aging interventions selected for inclusion in the NIA's Interventions Testing Program as well as the ClinicalTrials.gov database that target aging or age-related diseases in humans.
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Affiliation(s)
- Marta Gonzalez-Freire
- Translational Gerontology Branch, Biomedical Research Center, National Institute on Aging, National Institutes of Health, Baltimore, Maryland, 21224, USA; Cardiovascular and Metabolic Diseases Group, Fundació Institut d'Investigació Sanitària Illes Balears (IdISBa), Palma de Mallorca, Spain.
| | - Alberto Diaz-Ruiz
- Translational Gerontology Branch, Biomedical Research Center, National Institute on Aging, National Institutes of Health, Baltimore, Maryland, 21224, USA; Nutritional Interventions Group, Precision Nutrition and Aging, Madrid Institute for Advanced Studies - IMDEA Food, CEI UAM+CSIC, Madrid, Spain
| | - David Hauser
- Translational Gerontology Branch, Biomedical Research Center, National Institute on Aging, National Institutes of Health, Baltimore, Maryland, 21224, USA
| | - Jorge Martinez-Romero
- Molecular Oncology and Nutritional Genomics of Cancer Group, Precision Nutrition and Cancer Program, IMDEA Food, CEI, UAM/CSIC, Madrid, Spain
| | - Luigi Ferrucci
- Translational Gerontology Branch, Biomedical Research Center, National Institute on Aging, National Institutes of Health, Baltimore, Maryland, 21224, USA
| | - Michel Bernier
- Translational Gerontology Branch, Biomedical Research Center, National Institute on Aging, National Institutes of Health, Baltimore, Maryland, 21224, USA
| | - Rafael de Cabo
- Translational Gerontology Branch, Biomedical Research Center, National Institute on Aging, National Institutes of Health, Baltimore, Maryland, 21224, USA
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26
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Schmukler E, Pinkas‐Kramarski R. Autophagy induction in the treatment of Alzheimer's disease. Drug Dev Res 2020; 81:184-193. [DOI: 10.1002/ddr.21605] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2019] [Revised: 09/05/2019] [Accepted: 09/10/2019] [Indexed: 02/06/2023]
Affiliation(s)
- Eran Schmukler
- Department of NeurobiologySchool of Neurobiology, Biochemistry and Biophysics, the George S. Wise Faculty of Life Sciences, Tel‐Aviv University Ramat‐Aviv Israel
| | - Ronit Pinkas‐Kramarski
- Department of NeurobiologySchool of Neurobiology, Biochemistry and Biophysics, the George S. Wise Faculty of Life Sciences, Tel‐Aviv University Ramat‐Aviv Israel
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27
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Khorraminejad-Shirazi M, Sani M, Talaei-Khozani T, Dorvash M, Mirzaei M, Faghihi MA, Monabati A, Attar A. AICAR and nicotinamide treatment synergistically augment the proliferation and attenuate senescence-associated changes in mesenchymal stromal cells. Stem Cell Res Ther 2020; 11:45. [PMID: 32014016 PMCID: PMC6998366 DOI: 10.1186/s13287-020-1565-6] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2019] [Revised: 01/05/2020] [Accepted: 01/19/2020] [Indexed: 12/11/2022] Open
Abstract
Background Mesenchymal stromal cell (MSC) stemness capacity diminishes over prolonged in vitro culture, which negatively affects their application in regenerative medicine. To slow down the senescence of MSCs, here, we have evaluated the in vitro effects of 5-aminoimidazole-4-carboxamide ribonucleotide (AICAR), an AMPK activator, and nicotinamide (NAM), an activator of sirtuin1 (SIRT1). Methods Human adipose-derived MSCs were cultured to passage (P) 5. Subsequently, the cells were grown in either normal medium alone (control group), the medium supplemented with AICAR (1 mM) and NAM (5 mM), or in the presence of both for 5 weeks to P10. Cell proliferation, differentiation capacity, level of apoptosis and autophagy, morphological changes, total cellular reactive oxygen species (ROS), and activity of mTORC1 and AMPK were compared among different treatment groups. Results MSCs treated with AICAR, NAM, or both displayed an increase in proliferation and osteogenic differentiation, which was augmented in the group receiving both. Treatment with AICAR or NAM led to decreased expression of β-galactosidase, reduced accumulation of dysfunctional lysosomes, and characteristic morphologic features of young MSCs. Furthermore, while NAM administration could significantly reduce the total cellular ROS in aged MSCs, AICAR treatment did not. Moreover, AICAR-treated cells possess a high proliferation capacity; however, they also show the highest level of cellular apoptosis. The observed effects of AICAR and NAM were in light of the attenuated mTORC1 activity and increased AMPK activity and autophagy. Conclusions Selective inhibition of mTORC1 by AICAR and NAM boosts autophagy, retains MSCs’ self-renewal and multi-lineage differentiation capacity, and postpones senescence-associated changes after prolonged in vitro culture. Additionally, co-administration of AICAR and NAM shows an additive or probably a synergistic effect on cellular senescence.
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Affiliation(s)
- Mohammadhossein Khorraminejad-Shirazi
- Student Research Committee, Shiraz University of Medical Sciences, Shiraz, Iran.,Cell and Molecular Medicine Student Research Group, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Mahsa Sani
- Tissue Engineering Department, School of Advanced Medical Science and Technology, Shiraz University of Medical Science, Shiraz, Iran.,Tissue Engineering Lab, Department of Anatomical Sciences, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Tahereh Talaei-Khozani
- Tissue Engineering Lab, Department of Anatomical Sciences, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Mohammadreza Dorvash
- Cell and Molecular Medicine Student Research Group, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran.,Pharmaceutical Sciences Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Malihe Mirzaei
- Persian BayanGene Research and Training Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Mohammad Ali Faghihi
- Persian BayanGene Research and Training Center, Shiraz University of Medical Sciences, Shiraz, Iran.,Center for Therapeutic Innovation, Department of Psychiatry and Behavioral Sciences, University of Miami Miller School of Medicine, Miami, FL, USA
| | - Ahmad Monabati
- Department of Pathology, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran.,Hematology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Armin Attar
- Department of Cardiovascular Medicine, Shiraz University of Medical Sciences, PO Box 71344-1864, Shiraz, Iran.
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Chung KW, Chung HY. The Effects of Calorie Restriction on Autophagy: Role on Aging Intervention. Nutrients 2019; 11:nu11122923. [PMID: 31810345 PMCID: PMC6950580 DOI: 10.3390/nu11122923] [Citation(s) in RCA: 51] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2019] [Revised: 11/23/2019] [Accepted: 11/29/2019] [Indexed: 12/13/2022] Open
Abstract
Autophagy is an important housekeeping process that maintains a proper cellular homeostasis under normal physiologic and/or pathologic conditions. It is responsible for the disposal and recycling of metabolic macromolecules and damaged organelles through broad lysosomal degradation processes. Under stress conditions, including nutrient deficiency, autophagy is substantially activated to maintain proper cell function and promote cell survival. Altered autophagy processes have been reported in various aging studies, and a dysregulated autophagy is associated with various age-associated diseases. Calorie restriction (CR) is regarded as the gold standard for many aging intervention methods. Although it is clear that CR has diverse effects in counteracting aging process, the exact mechanisms by which it modulates those processes are still controversial. Recent advances in CR research have suggested that the activation of autophagy is linked to the observed beneficial anti-aging effects. Evidence showed that CR induced a robust autophagy response in various metabolic tissues, and that the inhibition of autophagy attenuated the anti-aging effects of CR. The mechanisms by which CR modulates the complex process of autophagy have been investigated in depth. In this review, several major advances related to CR’s anti-aging mechanisms and anti-aging mimetics will be discussed, focusing on the modification of the autophagy response.
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Affiliation(s)
- Ki Wung Chung
- College of Pharmacy, Kyungsung University, Busan 48434, Korea
- Correspondence: (K.W.C.); (H.Y.C.); Tel.: +82-51-663-4884 (K.W.C.); +82-51-510-2814 (H.Y.C.)
| | - Hae Young Chung
- College of Pharmacy, Pusan National University, Busan 462414, Korea
- Correspondence: (K.W.C.); (H.Y.C.); Tel.: +82-51-663-4884 (K.W.C.); +82-51-510-2814 (H.Y.C.)
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29
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Medkour Y, Mohammad K, Arlia-Ciommo A, Svistkova V, Dakik P, Mitrofanova D, Rodriguez MEL, Junio JAB, Taifour T, Escudero P, Goltsios FF, Soodbakhsh S, Maalaoui H, Simard É, Titorenko VI. Mechanisms by which PE21, an extract from the white willow Salix alba, delays chronological aging in budding yeast. Oncotarget 2019; 10:5780-5816. [PMID: 31645900 PMCID: PMC6791382 DOI: 10.18632/oncotarget.27209] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2019] [Accepted: 08/27/2019] [Indexed: 01/05/2023] Open
Abstract
We have recently found that PE21, an extract from the white willow Salix alba, slows chronological aging and prolongs longevity of the yeast Saccharomyces cerevisiae more efficiently than any of the previously known pharmacological interventions. Here, we investigated mechanisms through which PE21 delays yeast chronological aging and extends yeast longevity. We show that PE21 causes a remodeling of lipid metabolism in chronologically aging yeast, thereby instigating changes in the concentrations of several lipid classes. We demonstrate that such changes in the cellular lipidome initiate three mechanisms of aging delay and longevity extension. The first mechanism through which PE21 slows aging and prolongs longevity consists in its ability to decrease the intracellular concentration of free fatty acids. This postpones an age-related onset of liponecrotic cell death promoted by excessive concentrations of free fatty acids. The second mechanism of aging delay and longevity extension by PE21 consists in its ability to decrease the concentrations of triacylglycerols and to increase the concentrations of glycerophospholipids within the endoplasmic reticulum membrane. This activates the unfolded protein response system in the endoplasmic reticulum, which then decelerates an age-related decline in protein and lipid homeostasis and slows down an aging-associated deterioration of cell resistance to stress. The third mechanisms underlying aging delay and longevity extension by PE21 consists in its ability to change lipid concentrations in the mitochondrial membranes. This alters certain catabolic and anabolic processes in mitochondria, thus amending the pattern of aging-associated changes in several key aspects of mitochondrial functionality.
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Affiliation(s)
- Younes Medkour
- Department of Biology, Concordia University, Montreal, Quebec H4B 1R6, Canada
| | - Karamat Mohammad
- Department of Biology, Concordia University, Montreal, Quebec H4B 1R6, Canada
| | | | - Veronika Svistkova
- Department of Biology, Concordia University, Montreal, Quebec H4B 1R6, Canada
| | - Pamela Dakik
- Department of Biology, Concordia University, Montreal, Quebec H4B 1R6, Canada
| | - Darya Mitrofanova
- Department of Biology, Concordia University, Montreal, Quebec H4B 1R6, Canada
| | | | | | - Tarek Taifour
- Department of Biology, Concordia University, Montreal, Quebec H4B 1R6, Canada
| | - Paola Escudero
- Department of Biology, Concordia University, Montreal, Quebec H4B 1R6, Canada
| | - Fani-Fay Goltsios
- Department of Biology, Concordia University, Montreal, Quebec H4B 1R6, Canada
| | - Sahar Soodbakhsh
- Department of Biology, Concordia University, Montreal, Quebec H4B 1R6, Canada
| | - Hana Maalaoui
- Department of Biology, Concordia University, Montreal, Quebec H4B 1R6, Canada
| | - Éric Simard
- Idunn Technologies Inc., Rosemere, Quebec J7A 4A5, Canada
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30
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Abid S, Lipskaia L, Adnot S. Anthracycline cardiotoxicity: looking for new therapeutic approaches targeting cell senescence? Cardiovasc Res 2019; 114:1304-1305. [PMID: 29718137 DOI: 10.1093/cvr/cvy108] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Affiliation(s)
- Shariq Abid
- INSERM U955 and Département de Physiologie, Hôpital Henri Mondor, AP-HP, DHU A-TVB, 94010 Créteil, France.,Université Paris-Est Créteil (UPEC), Creteil, France
| | - Larissa Lipskaia
- INSERM U955 and Département de Physiologie, Hôpital Henri Mondor, AP-HP, DHU A-TVB, 94010 Créteil, France.,Université Paris-Est Créteil (UPEC), Creteil, France
| | - Serge Adnot
- INSERM U955 and Département de Physiologie, Hôpital Henri Mondor, AP-HP, DHU A-TVB, 94010 Créteil, France.,Université Paris-Est Créteil (UPEC), Creteil, France
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31
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Liu P, de la Vega MR, Dodson M, Yue F, Shi B, Fang D, Chapman E, Liu L, Zhang DD. Spermidine Confers Liver Protection by Enhancing NRF2 Signaling Through a MAP1S-Mediated Noncanonical Mechanism. Hepatology 2019; 70:372-388. [PMID: 30873635 PMCID: PMC6597327 DOI: 10.1002/hep.30616] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/13/2019] [Accepted: 03/12/2019] [Indexed: 12/21/2022]
Abstract
Spermidine (SPD), a naturally occurring polyamine, has been recognized as a caloric restriction mimetic that confers health benefits, presumably by inducing autophagy. Recent studies have reported that oral administration of SPD protects against liver fibrosis and hepatocarcinogenesis through activation of microtubule associated protein 1S (MAP1S)-mediated autophagy. Nuclear factor (erythroid-derived 2)-like 2 (NRF2) is a transcription factor that mediates cellular protection by maintaining the cell's redox, metabolic, and proteostatic balance. In this study, we demonstrate that SPD is a noncanonical NRF2 inducer, and that MAP1S is a component of this noncanonical pathway of NRF2 activation. Mechanistically, MAP1S induces NRF2 signaling through two parallel mechanisms, both resulting in NRF2 stabilization: (1) MAP1S competes with Kelch-like ECH-associated protein 1 (KEAP1) for NRF2 binding through an ETGE motif, and (2) MAP1S accelerates p62-dependent degradation of KEAP1 by the autophagy pathway. We further demonstrate that SPD confers liver protection by enhancing NRF2 signaling. The importance of both NRF2 and p62-dependent autophagy in SPD-mediated liver protection was confirmed using a carbon tetrachloride-induced liver fibrosis model in wild-type, Nrf2-/- , p62-/- and Nrf2-/- ;p62-/- mice, as the protective effect of SPD was significantly reduced in NRF2 or p62 single knockout mice, and completely abolished in the double knockout mice. Conclusion: Our results demonstrate the pivotal role of NRF2 in mediating the health benefit of SPD, particularly in the context of liver pathologies.
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Affiliation(s)
- Pengfei Liu
- Department of Pharmacology and Toxicology, College of Pharmacy, University of Arizona, Tucson, Arizona 85721, USA
| | - Montserrat Rojo de la Vega
- Department of Pharmacology and Toxicology, College of Pharmacy, University of Arizona, Tucson, Arizona 85721, USA
| | - Matthew Dodson
- Department of Pharmacology and Toxicology, College of Pharmacy, University of Arizona, Tucson, Arizona 85721, USA
| | - Fei Yue
- Center for Translational Cancer Research, Institute of Biosciences and Technology, Texas A&M University, Houston, Texas
| | - Boyun Shi
- Center for Translational Cancer Research, Institute of Biosciences and Technology, Texas A&M University, Houston, Texas
| | - Deyu Fang
- Department of Pathology, Northwestern University Feinberg School of Medicine, Chicago, Illinois 60611, USA
| | - Eli Chapman
- Department of Pharmacology and Toxicology, College of Pharmacy, University of Arizona, Tucson, Arizona 85721, USA
| | - Leyuan Liu
- Center for Translational Cancer Research, Institute of Biosciences and Technology, Texas A&M University, Houston, Texas
| | - Donna D. Zhang
- Department of Pharmacology and Toxicology, College of Pharmacy, University of Arizona, Tucson, Arizona 85721, USA
- The University of Arizona Cancer Center, University of Arizona, Tucson, Arizona 85721, USA
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32
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Some naturally occurring compounds that increase longevity and stress resistance in model organisms of aging. Biogerontology 2019; 20:583-603. [DOI: 10.1007/s10522-019-09817-2] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2019] [Accepted: 06/03/2019] [Indexed: 12/12/2022]
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33
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The Resveratrol Rice DJ526 Callus Significantly Increases the Lifespan of Drosophila (Resveratrol Rice DJ526 Callus for Longevity). Nutrients 2019; 11:nu11050983. [PMID: 31036789 PMCID: PMC6567216 DOI: 10.3390/nu11050983] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2019] [Revised: 04/05/2019] [Accepted: 04/19/2019] [Indexed: 12/30/2022] Open
Abstract
Resveratrol has gained widespread scientific attention due to its ability to significantly extend the lifespan of yeast. However, research on the efficacy of resveratrol on lifespan extension has yielded mixed results in animal studies, making resveratrol a contentious subject. In our previous work, we reported that transgenic resveratrol rice DJ526 showed unusual health benefits beyond expectations. In this work, we established a callus culture of resveratrol rice DJ526, which contains 180 times more resveratrol than the grain, and found that resveratrol rice callus significantly extended the median lifespan of Drosophila melanogaster by up to 50% compared to the control. The resveratrol rice callus also ameliorated age-dependent symptoms, including locomotive deterioration, body weight gain, eye degeneration, and neurodegeneration of D. melanogaster with age progression. Considering that resveratrol is the most preferred antiaging compound due to its superior safety and proven mechanism against many serious adult diseases, the outstanding efficacy of resveratrol on the longevity of wild-type animals could cast a light on the development of antiaging therapeutic agents.
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34
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Perdeh J, Berioso B, Love Q, LoGiudice N, Le TL, Harrelson JP, Roberts SC. Critical functions of the polyamine putrescine for proliferation and viability of Leishmania donovani parasites. Amino Acids 2019; 52:261-274. [PMID: 30993465 DOI: 10.1007/s00726-019-02736-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2019] [Accepted: 04/10/2019] [Indexed: 10/27/2022]
Abstract
Polyamines are metabolites that play important roles in rapidly proliferating cells, and recent studies have highlighted their critical nature in Leishmania parasites. However, little is known about the function of polyamines in parasites. To address this question, we assessed the effect of polyamine depletion in Leishmania donovani mutants lacking ornithine decarboxylase (Δodc) or spermidine synthase (Δspdsyn). Intracellular putrescine levels depleted rapidly in Δodc mutants and accumulated in Δspdsyn mutants, while spermidine levels were maintained at low but stable levels in both cell lines. Putrescine depletion in the Δodc mutants led to cell rounding, immediate cessation of proliferation, and loss of viability, while putrescine-rich Δspdsyn mutants displayed an intermediate proliferation phenotype and were able to arrest in a quiescent-like state for 6 weeks. Supplementation of Δodc mutants with spermidine had little effect on cell proliferation and morphology but enabled parasites to persist for 14 weeks. Thus, putrescine is not only essential as precursor for spermidine formation but also critical for parasite proliferation, morphology, and viability.
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Affiliation(s)
- Jasmine Perdeh
- Pacific University School of Pharmacy, Hillsboro, OR, 97123, USA
| | - Brandon Berioso
- Pacific University School of Pharmacy, Hillsboro, OR, 97123, USA
| | - Quintin Love
- Pacific University School of Pharmacy, Hillsboro, OR, 97123, USA
| | - Nicole LoGiudice
- Pacific University School of Pharmacy, Hillsboro, OR, 97123, USA.,McKenzie Willamette Medical Center, Springfield, OR, 97477, USA
| | - Thao Linh Le
- Pacific University School of Pharmacy, Hillsboro, OR, 97123, USA.,Washington State University College of Pharmacy, Spokane, WA, 99202, USA
| | - John P Harrelson
- Pacific University School of Pharmacy, Hillsboro, OR, 97123, USA
| | - Sigrid C Roberts
- Pacific University School of Pharmacy, Hillsboro, OR, 97123, USA.
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35
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Ramos-Molina B, Queipo-Ortuño MI, Lambertos A, Tinahones FJ, Peñafiel R. Dietary and Gut Microbiota Polyamines in Obesity- and Age-Related Diseases. Front Nutr 2019; 6:24. [PMID: 30923709 PMCID: PMC6426781 DOI: 10.3389/fnut.2019.00024] [Citation(s) in RCA: 109] [Impact Index Per Article: 21.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2018] [Accepted: 02/20/2019] [Indexed: 12/14/2022] Open
Abstract
The polyamines putrescine, spermidine, and spermine are widely distributed polycationic compounds essential for cellular functions. Intracellular polyamine pools are tightly regulated by a complex regulatory mechanism involving de novo biosynthesis, catabolism, and transport across the plasma membrane. In mammals, both the production of polyamines and their uptake from the extracellular space are controlled by a set of proteins named antizymes and antizyme inhibitors. Dysregulation of polyamine levels has been implicated in a variety of human pathologies, especially cancer. Additionally, decreases in the intracellular and circulating polyamine levels during aging have been reported. The differences in the polyamine content existing among tissues are mainly due to the endogenous polyamine metabolism. In addition, a part of the tissue polyamines has its origin in the diet or their production by the intestinal microbiome. Emerging evidence has suggested that exogenous polyamines (either orally administrated or synthetized by the gut microbiota) are able to induce longevity in mice, and that spermidine supplementation exerts cardioprotective effects in animal models. Furthermore, the administration of either spermidine or spermine has been shown to be effective for improving glucose homeostasis and insulin sensitivity and reducing adiposity and hepatic fat accumulation in diet-induced obesity mouse models. The exogenous addition of agmatine, a cationic molecule produced through arginine decarboxylation by bacteria and plants, also exerts significant effects on glucose metabolism in obese models, as well as cardioprotective effects. In this review, we will discuss some aspects of polyamine metabolism and transport, how diet can affect circulating and local polyamine levels, and how the modulation of either polyamine intake or polyamine production by gut microbiota can be used for potential therapeutic purposes.
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Affiliation(s)
- Bruno Ramos-Molina
- Department of Endocrinology and Nutrition, Virgen de la Victoria University Hospital, Institute of Biomedical Research of Malaga, University and Malaga, Malaga, Spain.,CIBER Physiopathology of Obesity and Nutrition (CIBERobn), Institute of Health Carlos III (ISCIII), Madrid, Spain
| | - Maria Isabel Queipo-Ortuño
- CIBER Physiopathology of Obesity and Nutrition (CIBERobn), Institute of Health Carlos III (ISCIII), Madrid, Spain.,Department of Medical Oncology, Virgen de la Victoria University Hospital, Institute of Biomedical Research of Malaga, University and Malaga, Malaga, Spain
| | - Ana Lambertos
- Department of Biochemistry and Molecular Biology B and Immunology, Faculty of Medicine, University of Murcia, Murcia, Spain.,Biomedical Research Institute of Murcia (IMIB), Murcia, Spain
| | - Francisco J Tinahones
- Department of Endocrinology and Nutrition, Virgen de la Victoria University Hospital, Institute of Biomedical Research of Malaga, University and Malaga, Malaga, Spain.,CIBER Physiopathology of Obesity and Nutrition (CIBERobn), Institute of Health Carlos III (ISCIII), Madrid, Spain
| | - Rafael Peñafiel
- Department of Biochemistry and Molecular Biology B and Immunology, Faculty of Medicine, University of Murcia, Murcia, Spain.,Biomedical Research Institute of Murcia (IMIB), Murcia, Spain
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36
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Functional genomics of dietary restriction and longevity in yeast. Mech Ageing Dev 2019; 179:36-43. [PMID: 30790575 DOI: 10.1016/j.mad.2019.02.003] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2018] [Revised: 02/11/2019] [Accepted: 02/18/2019] [Indexed: 11/22/2022]
Abstract
Dietary restriction-limitation of calories or other specific nutrients in the diet-is the sole non-genetic intervention known to extend the lifespan of a wide range of model organisms from yeast to mammals. Cell biology studies on the responses to dietary restriction have provided important clues about the mechanisms of longevity; however, a comprehensive genome-wide description of lifespan by dietary restriction has been mostly absent. Large-scale genetic analysis in the budding yeast Saccharomyces cerevisiae offers a great opportunity to uncover the conserved systems-level mechanisms that give way to longevity in response to diet. Here, we review recent advances in high-throughput phenotyping of the replicative and chronological life spans of yeast cells, which have contributed to our understanding of longevity by dietary restriction and the cellular crosstalks of nutrient-sensing regulation.
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37
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Is Gcn4-induced autophagy the ultimate downstream mechanism by which hormesis extends yeast replicative lifespan? Curr Genet 2019; 65:717-720. [PMID: 30673825 DOI: 10.1007/s00294-019-00936-4] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2018] [Revised: 01/08/2019] [Accepted: 01/11/2019] [Indexed: 12/22/2022]
Abstract
The number of times a cell divides before irreversibly arresting is termed replicative lifespan. Despite discovery of many chemical, dietary and genetic interventions that extend replicative lifespan, usually first discovered in budding yeast and subsequently shown to apply to metazoans, there is still little understanding of the underlying molecular mechanisms involved. One unifying theme is that most, if not all, interventions that extend replicative lifespan induce "hormesis", where a little inflicted damage makes cells more able to resist similar challenges in the future. One of the many cellular changes that occur during hormesis is a global reduction in protein synthesis, which has been linked to enhanced longevity in many organisms. Our recent study in budding yeast found that it was not the reduction in protein synthesis per se, but rather the subsequent induction of the conserved Gcn4 transcriptional regulator and its ability to induce autophagy that was responsible for extending replicative lifespan. We propose that Gcn4-dependent induction of autophagy occurring downstream of reduced global protein synthesis may be a unifying molecular mechanism for many interventions that extend replicative lifespan.
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Al Azzaz J, Rieu A, Aires V, Delmas D, Chluba J, Winckler P, Bringer MA, Lamarche J, Vervandier-Fasseur D, Dalle F, Lapaquette P, Guzzo J. Resveratrol-Induced Xenophagy Promotes Intracellular Bacteria Clearance in Intestinal Epithelial Cells and Macrophages. Front Immunol 2019; 9:3149. [PMID: 30693000 PMCID: PMC6339935 DOI: 10.3389/fimmu.2018.03149] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2018] [Accepted: 12/20/2018] [Indexed: 11/14/2022] Open
Abstract
Autophagy is a lysosomal degradation process that contributes to host immunity by eliminating invasive pathogens and the modulating inflammatory response. Several infectious and immune disorders are associated with autophagy defects, suggesting that stimulation of autophagy in these diseases should be beneficial. Here, we show that resveratrol is able to boost xenophagy, a selective form of autophagy that target invasive bacteria. We demonstrated that resveratrol promotes in vitro autophagy-dependent clearance of intracellular bacteria in intestinal epithelial cells and macrophages. These results were validated in vivo using infection in a transgenic GFP-LC3 zebrafish model. We also compared the ability of resveratrol derivatives, designed to improve the bioavailability of the parent molecule, to stimulate autophagy and to induce intracellular bacteria clearance. Together, our data demonstrate the ability of resveratrol to stimulate xenophagy, and thereby enhance the clearance of two invasive bacteria involved life-threatening diseases, Salmonella Typhimurium and Crohn's disease-associated Adherent-Invasive Escherichia coli. These findings encourage the further development of pro-autophagic nutrients to strengthen intestinal homeostasis in basal and infectious states.
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Affiliation(s)
- Jana Al Azzaz
- AgroSup Dijon, PAM UMR A 02.102, University Bourgogne Franche-Comté, Dijon, France
| | - Aurélie Rieu
- AgroSup Dijon, PAM UMR A 02.102, University Bourgogne Franche-Comté, Dijon, France
| | - Virginie Aires
- University of Bourgogne-Franche Comté, Dijon, France.,INSERM U1231, Lipids, Nutrition Cancer, Dijon, France.,Research Team CADIR, Cancer and Adaptative Immune Response, Dijon, France
| | - Dominique Delmas
- University of Bourgogne-Franche Comté, Dijon, France.,INSERM U1231, Lipids, Nutrition Cancer, Dijon, France.,Research Team CADIR, Cancer and Adaptative Immune Response, Dijon, France
| | - Johanna Chluba
- INSERM U1231, Lipids, Nutrition Cancer, Dijon, France.,UFR SVTE-UFR Sciences de la Vie, de la Terre et de l'Environnement, Université de Bourgogne Franche-Comté, Dijon, France
| | - Pascale Winckler
- AgroSup Dijon, PAM UMR A 02.102, University Bourgogne Franche-Comté, Dijon, France.,Dimacell Imaging Facility, AgroSup Dijon, University Bourgogne Franche-Comté, Dijon, France
| | - Marie-Agnès Bringer
- AgroSup Dijon, CNRS, INRA, Centre des Sciences du Goût et de l'Alimentation, Université Bourgogne Franche-Comté, Dijon, France
| | - Jérémy Lamarche
- Institut de Chimie Moléculaire de l'Université de Bourgogne (ICMUB-UMR CNRS 6302), Université of Bourgogne, Dijon, France
| | - Dominique Vervandier-Fasseur
- Institut de Chimie Moléculaire de l'Université de Bourgogne (ICMUB-UMR CNRS 6302), Université of Bourgogne, Dijon, France
| | - Frédéric Dalle
- AgroSup Dijon, PAM UMR A 02.102, University Bourgogne Franche-Comté, Dijon, France
| | - Pierre Lapaquette
- AgroSup Dijon, PAM UMR A 02.102, University Bourgogne Franche-Comté, Dijon, France
| | - Jean Guzzo
- AgroSup Dijon, PAM UMR A 02.102, University Bourgogne Franche-Comté, Dijon, France
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Dakik P, McAuley M, Chancharoen M, Mitrofanova D, Lozano Rodriguez ME, Baratang Junio JA, Lutchman V, Cortes B, Simard É, Titorenko VI. Pairwise combinations of chemical compounds that delay yeast chronological aging through different signaling pathways display synergistic effects on the extent of aging delay. Oncotarget 2019; 10:313-338. [PMID: 30719227 PMCID: PMC6349451 DOI: 10.18632/oncotarget.26553] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2018] [Accepted: 12/20/2018] [Indexed: 01/08/2023] Open
Abstract
We have recently discovered six plant extracts that delay yeast chronological aging. Most of them affect different nodes, edges and modules of an evolutionarily conserved network of longevity regulation that integrates certain signaling pathways and protein kinases; this network is also under control of such aging-delaying chemical compounds as spermidine and resveratrol. We have previously shown that, if a strain carrying an aging-delaying single-gene mutation affecting a certain node, edge or module of the network is exposed to some of the six plant extracts, the mutation and the plant extract enhance aging-delaying efficiencies of each other so that their combination has a synergistic effect on the extent of aging delay. We therefore hypothesized that a pairwise combination of two aging-delaying plant extracts or a combination of one of these plant extracts and spermidine or resveratrol may have a synergistic effect on the extent of aging delay only if each component of this combination targets a different element of the network. To test our hypothesis, we assessed longevity-extending efficiencies of all possible pairwise combinations of the six plant extracts or of one of them and spermidine or resveratrol in chronologically aging yeast. In support of our hypothesis, we show that only pairwise combinations of naturally-occurring chemical compounds that slow aging through different nodes, edges and modules of the network delay aging in a synergistic manner.
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Affiliation(s)
- Pamela Dakik
- Department of Biology, Concordia University, Montreal, Quebec, Canada
| | - Mélissa McAuley
- Department of Biology, Concordia University, Montreal, Quebec, Canada
| | | | - Darya Mitrofanova
- Department of Biology, Concordia University, Montreal, Quebec, Canada
| | | | | | - Vicky Lutchman
- Department of Biology, Concordia University, Montreal, Quebec, Canada
| | - Berly Cortes
- Department of Biology, Concordia University, Montreal, Quebec, Canada
| | - Éric Simard
- Idunn Technologies Inc., Rosemere, Quebec, Canada
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Dmitrieva SA, Ponomareva AA, Gurjanov OP, Mazina AB, Andrianov VV, Iyudin VS, Minibayeva FV. Spermine Induces Autophagy in Plants: Possible Role of NO and Reactive Oxygen Species. DOKL BIOCHEM BIOPHYS 2019; 483:341-343. [PMID: 30607735 DOI: 10.1134/s1607672918060121] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2018] [Indexed: 11/23/2022]
Abstract
This is the first study to show that polyamine spermine, a low-molecular-weight nitrogen-containing compound, can induce autophagy in plants. This process is accompanied by an increased generation of reactive oxygen species and nitric oxide, which play a signal role and are required for triggering autophagy.
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Affiliation(s)
- S A Dmitrieva
- Kazan Institute of Biochemistry and Biophysics, Federal Research Center "Kazan Scientific Center of the Russian Academy of Sciences,", Kazan, 420111, Tatarstan, Russia
| | - A A Ponomareva
- Kazan Institute of Biochemistry and Biophysics, Federal Research Center "Kazan Scientific Center of the Russian Academy of Sciences,", Kazan, 420111, Tatarstan, Russia
| | - O P Gurjanov
- Kazan Institute of Biochemistry and Biophysics, Federal Research Center "Kazan Scientific Center of the Russian Academy of Sciences,", Kazan, 420111, Tatarstan, Russia
| | - A B Mazina
- Kazan Institute of Biochemistry and Biophysics, Federal Research Center "Kazan Scientific Center of the Russian Academy of Sciences,", Kazan, 420111, Tatarstan, Russia
| | - V V Andrianov
- Kazan Physical-Technical Institute, Federal Research Center "Kazan Scientific Center of the Russian Academy of Sciences,", Kazan, 420029, Tatarstan, Russia
| | - V S Iyudin
- Kazan Physical-Technical Institute, Federal Research Center "Kazan Scientific Center of the Russian Academy of Sciences,", Kazan, 420029, Tatarstan, Russia.,Kazan (Volga) Federal University, Kazan, 420008, Tatarstan, Russia
| | - F V Minibayeva
- Kazan Institute of Biochemistry and Biophysics, Federal Research Center "Kazan Scientific Center of the Russian Academy of Sciences,", Kazan, 420111, Tatarstan, Russia. .,Kazan (Volga) Federal University, Kazan, 420008, Tatarstan, Russia.
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Targeted disruption of PI3K/Akt/mTOR signaling pathway, via PI3K inhibitors, promotes growth inhibitory effects in oral cancer cells. Cancer Chemother Pharmacol 2018; 83:451-461. [DOI: 10.1007/s00280-018-3746-x] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2018] [Accepted: 11/29/2018] [Indexed: 01/02/2023]
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Shetty AK, Kodali M, Upadhya R, Madhu LN. Emerging Anti-Aging Strategies - Scientific Basis and Efficacy. Aging Dis 2018; 9:1165-1184. [PMID: 30574426 PMCID: PMC6284760 DOI: 10.14336/ad.2018.1026] [Citation(s) in RCA: 70] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2018] [Accepted: 11/30/2018] [Indexed: 12/11/2022] Open
Abstract
The prevalence of age-related diseases is in an upward trend due to increased life expectancy in humans. Age-related conditions are among the leading causes of morbidity and death worldwide currently. Therefore, there is an urgent need to find apt interventions that slow down aging and reduce or postpone the incidence of debilitating age-related diseases. This review discusses the efficacy of emerging anti-aging approaches for maintaining better health in old age. There are many anti-aging strategies in development, which include procedures such as augmentation of autophagy, elimination of senescent cells, transfusion of plasma from young blood, intermittent fasting, enhancement of adult neurogenesis, physical exercise, antioxidant intake, and stem cell therapy. Multiple pre-clinical studies suggest that administration of autophagy enhancers, senolytic drugs, plasma from young blood, drugs that enhance neurogenesis and BDNF are promising approaches to sustain normal health during aging and also to postpone age-related neurodegenerative diseases such as Alzheimer's disease. Stem cell therapy has also shown promise for improving regeneration and function of the aged or Alzheimer's disease brain. Several of these approaches are awaiting critical appraisal in clinical trials to determine their long-term efficacy and possible adverse effects. On the other hand, procedures such as intermittent fasting, physical exercise, intake of antioxidants such as resveratrol and curcumin have shown considerable promise for improving function in aging, some of which are ready for large-scale clinical trials, as they are non-invasive, and seem to have minimal side effects. In summary, several approaches are at the forefront of becoming mainstream therapies for combating aging and postponing age-related diseases in the coming years.
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Affiliation(s)
- Ashok K. Shetty
- Institute for Regenerative Medicine, Department of Molecular and Cellular Medicine, Texas A&M University Health Science Center College of Medicine, College Station, Texas 77843, USA
- Olin E. Teague Veterans’ Medical Center, Central Texas Veterans Health Care System, Temple, Texas 76504, USA
| | - Maheedhar Kodali
- Institute for Regenerative Medicine, Department of Molecular and Cellular Medicine, Texas A&M University Health Science Center College of Medicine, College Station, Texas 77843, USA
- Olin E. Teague Veterans’ Medical Center, Central Texas Veterans Health Care System, Temple, Texas 76504, USA
| | - Raghavendra Upadhya
- Institute for Regenerative Medicine, Department of Molecular and Cellular Medicine, Texas A&M University Health Science Center College of Medicine, College Station, Texas 77843, USA
- Olin E. Teague Veterans’ Medical Center, Central Texas Veterans Health Care System, Temple, Texas 76504, USA
| | - Leelavathi N. Madhu
- Institute for Regenerative Medicine, Department of Molecular and Cellular Medicine, Texas A&M University Health Science Center College of Medicine, College Station, Texas 77843, USA
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Ren J, Zhang Y. Targeting Autophagy in Aging and Aging-Related Cardiovascular Diseases. Trends Pharmacol Sci 2018; 39:1064-1076. [PMID: 30458935 DOI: 10.1016/j.tips.2018.10.005] [Citation(s) in RCA: 176] [Impact Index Per Article: 29.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2018] [Revised: 09/19/2018] [Accepted: 10/04/2018] [Indexed: 01/19/2023]
Abstract
Aging, an irreversible biological process, serves as an independent risk factor for chronic disease including cancer, pulmonary, neurodegenerative, and cardiovascular diseases. In particular, high morbidity and mortality have been associated with cardiovascular aging, but effective clinical therapeutic remedies are suboptimal for the ever-rising aging population. Recent evidence suggests a unique role for aberrant aggregate clearance and the protein quality control machinery - the process of autophagy - in shortened lifespan, compromised healthspan, and the onset and development of aging-associated cardiovascular diseases. Autophagy degrades and removes long-lived or damaged cellular organelles and proteins, the functions of which decline with advanced aging. Induction of autophagy using rapamycin, resveratrol, nicotinamide derivatives, metformin, urolithin A, or spermidine delays aging, prolongs lifespan, and improves cardiovascular function in aging. Given the ever-rising human lifespan and aging population as well as the prevalence of cardiovascular disease provoked by increased age, it is pertinent to understand the contribution and underlying mechanisms of autophagy and organelle-selective autophagy (e.g., mitophagy) in the regulation of lifespan, healthspan, and cardiovascular aging. Here we dissect the mechanism of action for autophagy failure in aging and discuss the potential rationale of targeting autophagy using pharmacological agents as new avenues in the combating of biological and cardiovascular aging.
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Affiliation(s)
- Jun Ren
- Department of Cardiology, Fudan University Zhongshan Hospital, Shanghai 200032, China; Center for Cardiovascular Research and Alternative Medicine, University of Wyoming College of Health Sciences, Laramie, WY 82071, USA.
| | - Yingmei Zhang
- Department of Cardiology, Fudan University Zhongshan Hospital, Shanghai 200032, China; Center for Cardiovascular Research and Alternative Medicine, University of Wyoming College of Health Sciences, Laramie, WY 82071, USA.
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Arlia-Ciommo A, Leonov A, Mohammad K, Beach A, Richard VR, Bourque SD, Burstein MT, Goldberg AA, Kyryakov P, Gomez-Perez A, Koupaki O, Titorenko VI. Mechanisms through which lithocholic acid delays yeast chronological aging under caloric restriction conditions. Oncotarget 2018; 9:34945-34971. [PMID: 30405886 PMCID: PMC6201858 DOI: 10.18632/oncotarget.26188] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2018] [Accepted: 09/17/2018] [Indexed: 12/31/2022] Open
Abstract
All presently known geroprotective chemical compounds of plant and microbial origin are caloric restriction mimetics because they can mimic the beneficial lifespan- and healthspan-extending effects of caloric restriction diets without the need to limit calorie supply. We have discovered a geroprotective chemical compound of mammalian origin, a bile acid called lithocholic acid, which can delay chronological aging of the budding yeast Saccharomyces cerevisiae under caloric restriction conditions. Here, we investigated mechanisms through which lithocholic acid can delay chronological aging of yeast limited in calorie supply. We provide evidence that lithocholic acid causes a stepwise development and maintenance of an aging-delaying cellular pattern throughout the entire chronological lifespan of yeast cultured under caloric restriction conditions. We show that lithocholic acid stimulates the aging-delaying cellular pattern and preserves such pattern because it specifically modulates the spatiotemporal dynamics of a complex cellular network. We demonstrate that this cellular network integrates certain pathways of lipid and carbohydrate metabolism, some intercompartmental communications, mitochondrial morphology and functionality, and liponecrotic and apoptotic modes of aging-associated cell death. Our findings indicate that lithocholic acid prolongs longevity of chronologically aging yeast because it decreases the risk of aging-associated cell death, thus increasing the chance of elderly cells to survive.
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Affiliation(s)
| | - Anna Leonov
- Department of Biology, Concordia University, Montreal, Quebec, Canada
| | - Karamat Mohammad
- Department of Biology, Concordia University, Montreal, Quebec, Canada
| | - Adam Beach
- Department of Biology, Concordia University, Montreal, Quebec, Canada
| | - Vincent R Richard
- Department of Biology, Concordia University, Montreal, Quebec, Canada
| | - Simon D Bourque
- Department of Biology, Concordia University, Montreal, Quebec, Canada
| | | | | | - Pavlo Kyryakov
- Department of Biology, Concordia University, Montreal, Quebec, Canada
| | | | - Olivia Koupaki
- Department of Biology, Concordia University, Montreal, Quebec, Canada
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Bacterial Methionine Metabolism Genes Influence Drosophila melanogaster Starvation Resistance. Appl Environ Microbiol 2018; 84:AEM.00662-18. [PMID: 29934334 DOI: 10.1128/aem.00662-18] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2018] [Accepted: 05/25/2018] [Indexed: 11/20/2022] Open
Abstract
Animal-associated microorganisms (microbiota) dramatically influence the nutritional and physiological traits of their hosts. To expand our understanding of such influences, we predicted bacterial genes that influence a quantitative animal trait by a comparative genomic approach, and we extended these predictions via mutant analysis. We focused on Drosophila melanogaster starvation resistance (SR). We first confirmed that D. melanogaster SR responds to the microbiota by demonstrating that bacterium-free flies have greater SR than flies bearing a standard 5-species microbial community, and we extended this analysis by revealing the species-specific influences of 38 genome-sequenced bacterial species on D. melanogaster SR. A subsequent metagenome-wide association analysis predicted bacterial genes with potential influence on D. melanogaster SR, among which were significant enrichments in bacterial genes for the metabolism of sulfur-containing amino acids and B vitamins. Dietary supplementation experiments established that the addition of methionine, but not B vitamins, to the diets significantly lowered D. melanogaster SR in a way that was additive, but not interactive, with the microbiota. A direct role for bacterial methionine metabolism genes in D. melanogaster SR was subsequently confirmed by analysis of flies that were reared individually with distinct methionine cycle Escherichia coli mutants. The correlated responses of D. melanogaster SR to bacterial methionine metabolism mutants and dietary modification are consistent with the established finding that bacteria can influence fly phenotypes through dietary modification, although we do not provide explicit evidence of this conclusion. Taken together, this work reveals that D. melanogaster SR is a microbiota-responsive trait, and specific bacterial genes underlie these influences.IMPORTANCE Extending descriptive studies of animal-associated microorganisms (microbiota) to define causal mechanistic bases for their influence on animal traits is an emerging imperative. In this study, we reveal that D. melanogaster starvation resistance (SR), a model quantitative trait in animal genetics, responds to the presence and identity of the microbiota. Using a predictive analysis, we reveal that the amino acid methionine has a key influence on D. melanogaster SR and show that bacterial methionine metabolism mutants alter normal patterns of SR in flies bearing the bacteria. Our data further suggest that these effects are additive, and we propose the untested hypothesis that, similar to bacterial effects on fruit fly triacylglyceride deposition, the bacterial influence may be through dietary modification. Together, these findings expand our understanding of the bacterial genetic basis for influence on a nutritionally relevant trait of a model animal host.
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46
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Chen F, Wang X, Jin X, Zhao J, Gou S. Oxidative DNA double strand breaks and autophagy in the antitumor effect of sterically hindered platinum(II) complexes in NSCLCs. Oncotarget 2018; 8:30933-30955. [PMID: 28427237 PMCID: PMC5458179 DOI: 10.18632/oncotarget.15944] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2016] [Accepted: 02/23/2017] [Indexed: 12/31/2022] Open
Abstract
A series of novel platinum(II) complexes with (1R,2R)-N1,N2-diisobutyl-1,2-diaminocyclohexane as a carrier ligand, while N1,N2-diisobutyl moiety serving as steric hindrance were designed, synthesized and characterized. The in vitro biological assays demonstrated that complex 3 had increased cytotoxicity against lung cancer cells, especially non-small-cell lung cancer (NSCLC) compared to its mono-substituted complex 3a, indicating that the sterically hindered alkyl moieties have significant influences on its antitumor property. However, the mechanism still remains unclear. The further studies revealed that complex 3 could induce ROS overproduction, severe DNA double strands breaks and inhibit the activation of DNA damage repair proteins within nucleus, leading to cell-cycle arrest and cell death. Moreover, complex 3 could induce autophagy via the accumulation of autophagic vacuoles and alterations of autophagic protein expression. Interestingly, the ROS scavengers, N-acetyl-cysteine (NAC) could reverse complex 3-induced DNA double strands breaks and autophagic responses more significantly compared to complex 3a. The results demonstrated that the ROS generation plays an important role in the DNA double strands breaks and autophagic responses in the antitumor effect of complex 3 with N1,N2-diisobutyl moiety. Our study offered a novel therapeutic strategy and put new insights into the anticancer research of the complexes with N1,N2-diisobutyl moiety served as steric hindrance.
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Affiliation(s)
- Feihong Chen
- Pharmaceutical Research Center and School of Chemistry and Chemical Engineering, Jiangsu Province Hi-Tech Key Laboratory for Biomedical Research, Southeast University, Nanjing 211189, China
| | - Xinyi Wang
- Pharmaceutical Research Center and School of Chemistry and Chemical Engineering, Jiangsu Province Hi-Tech Key Laboratory for Biomedical Research, Southeast University, Nanjing 211189, China
| | - Xiufeng Jin
- Pharmaceutical Research Center and School of Chemistry and Chemical Engineering, Jiangsu Province Hi-Tech Key Laboratory for Biomedical Research, Southeast University, Nanjing 211189, China
| | - Jian Zhao
- Pharmaceutical Research Center and School of Chemistry and Chemical Engineering, Jiangsu Province Hi-Tech Key Laboratory for Biomedical Research, Southeast University, Nanjing 211189, China
| | - Shaohua Gou
- Pharmaceutical Research Center and School of Chemistry and Chemical Engineering, Jiangsu Province Hi-Tech Key Laboratory for Biomedical Research, Southeast University, Nanjing 211189, China
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Mohammad K, Dakik P, Medkour Y, McAuley M, Mitrofanova D, Titorenko VI. Some Metabolites Act as Second Messengers in Yeast Chronological Aging. Int J Mol Sci 2018; 19:ijms19030860. [PMID: 29543708 PMCID: PMC5877721 DOI: 10.3390/ijms19030860] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2018] [Revised: 03/12/2018] [Accepted: 03/13/2018] [Indexed: 02/06/2023] Open
Abstract
The concentrations of some key metabolic intermediates play essential roles in regulating the longevity of the chronologically aging yeast Saccharomyces cerevisiae. These key metabolites are detected by certain ligand-specific protein sensors that respond to concentration changes of the key metabolites by altering the efficiencies of longevity-defining cellular processes. The concentrations of the key metabolites that affect yeast chronological aging are controlled spatially and temporally. Here, we analyze mechanisms through which the spatiotemporal dynamics of changes in the concentrations of the key metabolites influence yeast chronological lifespan. Our analysis indicates that a distinct set of metabolites can act as second messengers that define the pace of yeast chronological aging. Molecules that can operate both as intermediates of yeast metabolism and as second messengers of yeast chronological aging include reduced nicotinamide adenine dinucleotide phosphate (NADPH), glycerol, trehalose, hydrogen peroxide, amino acids, sphingolipids, spermidine, hydrogen sulfide, acetic acid, ethanol, free fatty acids, and diacylglycerol. We discuss several properties that these second messengers of yeast chronological aging have in common with second messengers of signal transduction. We outline how these second messengers of yeast chronological aging elicit changes in cell functionality and viability in response to changes in the nutrient, energy, stress, and proliferation status of the cell.
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Affiliation(s)
- Karamat Mohammad
- Department of Biology, Concordia University, 7141 Sherbrooke Street, West, SP Building, Room 501-13, Montreal, QC H4B 1R6, Canada.
| | - Paméla Dakik
- Department of Biology, Concordia University, 7141 Sherbrooke Street, West, SP Building, Room 501-13, Montreal, QC H4B 1R6, Canada.
| | - Younes Medkour
- Department of Biology, Concordia University, 7141 Sherbrooke Street, West, SP Building, Room 501-13, Montreal, QC H4B 1R6, Canada.
| | - Mélissa McAuley
- Department of Biology, Concordia University, 7141 Sherbrooke Street, West, SP Building, Room 501-13, Montreal, QC H4B 1R6, Canada.
| | - Darya Mitrofanova
- Department of Biology, Concordia University, 7141 Sherbrooke Street, West, SP Building, Room 501-13, Montreal, QC H4B 1R6, Canada.
| | - Vladimir I Titorenko
- Department of Biology, Concordia University, 7141 Sherbrooke Street, West, SP Building, Room 501-13, Montreal, QC H4B 1R6, Canada.
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48
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Metabolic shift from glycogen to trehalose promotes lifespan and healthspan in Caenorhabditis elegans. Proc Natl Acad Sci U S A 2018; 115:E2791-E2800. [PMID: 29511104 DOI: 10.1073/pnas.1714178115] [Citation(s) in RCA: 62] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
As Western diets continue to include an ever-increasing amount of sugar, there has been a rise in obesity and type 2 diabetes. To avoid metabolic diseases, the body must maintain proper metabolism, even on a high-sugar diet. In both humans and Caenorhabditis elegans, excess sugar (glucose) is stored as glycogen. Here, we find that animals increased stored glycogen as they aged, whereas even young adult animals had increased stored glycogen on a high-sugar diet. Decreasing the amount of glycogen storage by modulating the C. elegans glycogen synthase, gsy-1, a key enzyme in glycogen synthesis, can extend lifespan, prolong healthspan, and limit the detrimental effects of a high-sugar diet. Importantly, limiting glycogen storage leads to a metabolic shift whereby glucose is now stored as trehalose. Two additional means to increase trehalose show similar longevity extension. Increased trehalose is entirely dependent on a functional FOXO transcription factor DAF-16 and autophagy to promote lifespan and healthspan extension. Our results reveal that when glucose is stored as glycogen, it is detrimental, whereas, when stored as trehalose, animals live a longer, healthier life if DAF-16 is functional. Taken together, these results demonstrate that trehalose modulation may be an avenue for combatting high-sugar-diet pathology.
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49
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Jadiya P, Mir SS, Nazir A. Osmotic stress induced toxicity exacerbates Parkinson's associated effects via dysregulation of autophagy in transgenic C. elegans model. Cell Signal 2018; 45:71-80. [PMID: 29410282 DOI: 10.1016/j.cellsig.2018.01.027] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2017] [Revised: 01/30/2018] [Accepted: 01/31/2018] [Indexed: 02/07/2023]
Abstract
The accumulation of aggregate-prone proteins is a major representative of many neurological disorders, including Parkinson's disease (PD) wherein the cellular clearance mechanisms, such as the ubiquitin-proteasome and autophagy pathways are impaired. PD, known to be associated with multiple genetic and environmental factors, is characterized by the aggregation of α-synuclein protein and loss of dopaminergic neurons in midbrain. This disease is also associated with other cardiovascular ailments. Herein, we report our findings from studies on the effect of hyper and hypo-osmotic induced toxicity representing hyper and hypotensive condition as an extrinsic epigenetic factor towards modulation of Parkinsonism, using a genetic model Caenorhabditis elegans (C. elegans). Our studies showed that osmotic toxicity had an adverse effect on α-synuclein aggregation, autophagic puncta, lipid content and oxidative stress. Further, we figure that reduced autophagic activity may cause the inefficient clearance of α-synuclein aggregates in osmotic stress toxicity, thereby promoting α-synuclein deposition. Pharmacological induction of autophagy by spermidine proved to be a useful mechanism for protecting cells against the toxic effects of these proteins in such stress conditions. Our studies provide evidence that autophagy is required for the removal of aggregated proteins in these conditions. Studying specific autophagy pathways, we observe that the osmotic stress induced toxicity was largely associated with atg-7 and lgg-1 dependent autophagy pathway, brought together by involvement of mTOR pathway. This represents a unifying pathway to disease in hyper- and hypo-osmotic conditions within PD model of C. elegans.
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Affiliation(s)
- Pooja Jadiya
- Laboratory of Functional Genomics and Molecular Toxicology, Division of Toxicology and Experimental Medicine, CSIR-Central Drug Research Institute, Lucknow, 226 031, UP, India
| | - Snober S Mir
- Department of Bioengineering, Integral University, Lucknow 226 026, India
| | - Aamir Nazir
- Laboratory of Functional Genomics and Molecular Toxicology, Division of Toxicology and Experimental Medicine, CSIR-Central Drug Research Institute, Lucknow, 226 031, UP, India.
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50
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Lutchman V, Dakik P, McAuley M, Cortes B, Ferraye G, Gontmacher L, Graziano D, Moukhariq FZ, Simard É, Titorenko VI. Six plant extracts delay yeast chronological aging through different signaling pathways. Oncotarget 2018; 7:50845-50863. [PMID: 27447556 PMCID: PMC5239441 DOI: 10.18632/oncotarget.10689] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2016] [Accepted: 07/07/2016] [Indexed: 01/19/2023] Open
Abstract
Our recent study has revealed six plant extracts that slow yeast chronological aging more efficiently than any chemical compound yet described. The rate of aging in yeast is controlled by an evolutionarily conserved network of integrated signaling pathways and protein kinases. Here, we assessed how single-gene-deletion mutations eliminating each of these pathways and kinases affect the aging-delaying efficiencies of the six plant extracts. Our findings imply that these extracts slow aging in the following ways: 1) plant extract 4 decreases the efficiency with which the pro-aging TORC1 pathway inhibits the anti-aging SNF1 pathway; 2) plant extract 5 mitigates two different branches of the pro-aging PKA pathway; 3) plant extract 6 coordinates processes that are not assimilated into the network of presently known signaling pathways/protein kinases; 4) plant extract 8 diminishes the inhibitory action of PKA on SNF1; 5) plant extract 12 intensifies the anti-aging protein kinase Rim15; and 6) plant extract 21 inhibits a form of the pro-aging protein kinase Sch9 that is activated by the pro-aging PKH1/2 pathway.
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Affiliation(s)
- Vicky Lutchman
- Department of Biology, Concordia University, Montreal, Quebec, Canada
| | - Pamela Dakik
- Department of Biology, Concordia University, Montreal, Quebec, Canada
| | - Mélissa McAuley
- Department of Biology, Concordia University, Montreal, Quebec, Canada
| | - Berly Cortes
- Department of Biology, Concordia University, Montreal, Quebec, Canada
| | - George Ferraye
- Department of Biology, Concordia University, Montreal, Quebec, Canada
| | - Leonid Gontmacher
- Department of Biology, Concordia University, Montreal, Quebec, Canada
| | - David Graziano
- Department of Biology, Concordia University, Montreal, Quebec, Canada
| | | | - Éric Simard
- Idunn Technologies Inc., Rosemere, Quebec, Canada
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