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Hofer SJ, Daskalaki I, Bergmann M, Friščić J, Zimmermann A, Mueller MI, Abdellatif M, Nicastro R, Masser S, Durand S, Nartey A, Waltenstorfer M, Enzenhofer S, Faimann I, Gschiel V, Bajaj T, Niemeyer C, Gkikas I, Pein L, Cerrato G, Pan H, Liang Y, Tadic J, Jerkovic A, Aprahamian F, Robbins CE, Nirmalathasan N, Habisch H, Annerer E, Dethloff F, Stumpe M, Grundler F, Wilhelmi de Toledo F, Heinz DE, Koppold DA, Rajput Khokhar A, Michalsen A, Tripolt NJ, Sourij H, Pieber TR, de Cabo R, McCormick MA, Magnes C, Kepp O, Dengjel J, Sigrist SJ, Gassen NC, Sedej S, Madl T, De Virgilio C, Stelzl U, Hoffmann MH, Eisenberg T, Tavernarakis N, Kroemer G, Madeo F. Spermidine is essential for fasting-mediated autophagy and longevity. Nat Cell Biol 2024:10.1038/s41556-024-01468-x. [PMID: 39117797 DOI: 10.1038/s41556-024-01468-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2024] [Accepted: 07/02/2024] [Indexed: 08/10/2024]
Abstract
Caloric restriction and intermittent fasting prolong the lifespan and healthspan of model organisms and improve human health. The natural polyamine spermidine has been similarly linked to autophagy enhancement, geroprotection and reduced incidence of cardiovascular and neurodegenerative diseases across species borders. Here, we asked whether the cellular and physiological consequences of caloric restriction and fasting depend on polyamine metabolism. We report that spermidine levels increased upon distinct regimens of fasting or caloric restriction in yeast, flies, mice and human volunteers. Genetic or pharmacological blockade of endogenous spermidine synthesis reduced fasting-induced autophagy in yeast, nematodes and human cells. Furthermore, perturbing the polyamine pathway in vivo abrogated the lifespan- and healthspan-extending effects, as well as the cardioprotective and anti-arthritic consequences of fasting. Mechanistically, spermidine mediated these effects via autophagy induction and hypusination of the translation regulator eIF5A. In summary, the polyamine-hypusination axis emerges as a phylogenetically conserved metabolic control hub for fasting-mediated autophagy enhancement and longevity.
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Affiliation(s)
- Sebastian J Hofer
- Institute of Molecular Biosciences, NAWI Graz, University of Graz, Graz, Austria
- Field of Excellence BioHealth, University of Graz, Graz, Austria
- BioTechMed Graz, Graz, Austria
- Centre de Recherche des Cordeliers, Équipe Labellisée par la Ligue Contre le Cancer, Université de Paris Cité, Sorbonne Université, Inserm U1138, Institut Universitaire de France, Paris, France
- Metabolomics and Cell Biology Platforms, Gustave Roussy Cancer Center, Université Paris Saclay, Villejuif, France
| | - Ioanna Daskalaki
- Institute of Molecular Biology and Biotechnology, Foundation for Research and Technology - Hellas, Heraklion, Greece
- Department of Biology, School of Sciences and Engineering, University of Crete, Heraklion, Greece
| | - Martina Bergmann
- Institute of Molecular Biosciences, NAWI Graz, University of Graz, Graz, Austria
| | - Jasna Friščić
- Department of Dermatology, Allergy and Venerology, University of Lübeck, Lübeck, Germany
- Institute for Systemic Inflammation Research, University of Lübeck, Lübeck, Germany
| | - Andreas Zimmermann
- Institute of Molecular Biosciences, NAWI Graz, University of Graz, Graz, Austria
- Field of Excellence BioHealth, University of Graz, Graz, Austria
- BioTechMed Graz, Graz, Austria
| | - Melanie I Mueller
- Institute of Molecular Biosciences, NAWI Graz, University of Graz, Graz, Austria
| | - Mahmoud Abdellatif
- BioTechMed Graz, Graz, Austria
- Centre de Recherche des Cordeliers, Équipe Labellisée par la Ligue Contre le Cancer, Université de Paris Cité, Sorbonne Université, Inserm U1138, Institut Universitaire de France, Paris, France
- Metabolomics and Cell Biology Platforms, Gustave Roussy Cancer Center, Université Paris Saclay, Villejuif, France
- Division of Cardiology, Medical University of Graz, Graz, Austria
| | - Raffaele Nicastro
- Department of Biology, University of Fribourg, Fribourg, Switzerland
| | - Sarah Masser
- BioTechMed Graz, Graz, Austria
- Institute of Pharmaceutical Sciences, Pharmaceutical Chemistry, University of Graz, Graz, Austria
| | - Sylvère Durand
- Centre de Recherche des Cordeliers, Équipe Labellisée par la Ligue Contre le Cancer, Université de Paris Cité, Sorbonne Université, Inserm U1138, Institut Universitaire de France, Paris, France
- Metabolomics and Cell Biology Platforms, Gustave Roussy Cancer Center, Université Paris Saclay, Villejuif, France
| | - Alexander Nartey
- Institute of Molecular Biosciences, NAWI Graz, University of Graz, Graz, Austria
| | - Mara Waltenstorfer
- Institute of Molecular Biosciences, NAWI Graz, University of Graz, Graz, Austria
| | - Sarah Enzenhofer
- Institute of Molecular Biosciences, NAWI Graz, University of Graz, Graz, Austria
| | - Isabella Faimann
- Institute of Molecular Biosciences, NAWI Graz, University of Graz, Graz, Austria
| | - Verena Gschiel
- Institute of Molecular Biosciences, NAWI Graz, University of Graz, Graz, Austria
| | - Thomas Bajaj
- Neurohomeostasis Research Group, Department of Psychiatry and Psychotherapy, University Hospital Bonn, Bonn, Germany
| | - Christine Niemeyer
- Neurohomeostasis Research Group, Department of Psychiatry and Psychotherapy, University Hospital Bonn, Bonn, Germany
| | - Ilias Gkikas
- Institute of Molecular Biology and Biotechnology, Foundation for Research and Technology - Hellas, Heraklion, Greece
- Department of Biology, School of Sciences and Engineering, University of Crete, Heraklion, Greece
| | - Lukas Pein
- Institute of Molecular Biosciences, NAWI Graz, University of Graz, Graz, Austria
| | - Giulia Cerrato
- Centre de Recherche des Cordeliers, Équipe Labellisée par la Ligue Contre le Cancer, Université de Paris Cité, Sorbonne Université, Inserm U1138, Institut Universitaire de France, Paris, France
- Metabolomics and Cell Biology Platforms, Gustave Roussy Cancer Center, Université Paris Saclay, Villejuif, France
| | - Hui Pan
- Centre de Recherche des Cordeliers, Équipe Labellisée par la Ligue Contre le Cancer, Université de Paris Cité, Sorbonne Université, Inserm U1138, Institut Universitaire de France, Paris, France
- Metabolomics and Cell Biology Platforms, Gustave Roussy Cancer Center, Université Paris Saclay, Villejuif, France
| | - YongTian Liang
- Institute for Biology and Genetics, Freie Universität Berlin, Berlin, Germany
- Cluster of Excellence, NeuroCure, Berlin, Germany
| | - Jelena Tadic
- Institute of Molecular Biosciences, NAWI Graz, University of Graz, Graz, Austria
- Field of Excellence BioHealth, University of Graz, Graz, Austria
- BioTechMed Graz, Graz, Austria
| | - Andrea Jerkovic
- Institute of Molecular Biosciences, NAWI Graz, University of Graz, Graz, Austria
| | - Fanny Aprahamian
- Centre de Recherche des Cordeliers, Équipe Labellisée par la Ligue Contre le Cancer, Université de Paris Cité, Sorbonne Université, Inserm U1138, Institut Universitaire de France, Paris, France
- Metabolomics and Cell Biology Platforms, Gustave Roussy Cancer Center, Université Paris Saclay, Villejuif, France
| | - Christine E Robbins
- Department of Biochemistry and Molecular Biology, University of New Mexico Health Sciences Center, Albuquerque, NM, USA
| | - Nitharsshini Nirmalathasan
- Centre de Recherche des Cordeliers, Équipe Labellisée par la Ligue Contre le Cancer, Université de Paris Cité, Sorbonne Université, Inserm U1138, Institut Universitaire de France, Paris, France
- Metabolomics and Cell Biology Platforms, Gustave Roussy Cancer Center, Université Paris Saclay, Villejuif, France
| | - Hansjörg Habisch
- Research Unit Integrative Structural Biology, Otto Loewi Research Center, Medicinal Chemistry, Medical University of Graz, Graz, Austria
| | - Elisabeth Annerer
- Institute of Pharmaceutical Sciences, Pharmaceutical Chemistry, University of Graz, Graz, Austria
| | | | - Michael Stumpe
- Department of Biology, University of Fribourg, Fribourg, Switzerland
| | | | | | - Daniel E Heinz
- Neurohomeostasis Research Group, Department of Psychiatry and Psychotherapy, University Hospital Bonn, Bonn, Germany
| | - Daniela A Koppold
- Institute of Social Medicine, Epidemiology and Health Economics, corporate member of Freie Universität Berlin and Humboldt-Universität, Charité-Universitätsmedizin, Berlin, Germany
- Department of Pediatrics, Division of Oncology and Hematology, Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany
- Department of Internal Medicine and Nature-based Therapies, Immanuel Hospital Berlin, Berlin, Germany
| | - Anika Rajput Khokhar
- Institute of Social Medicine, Epidemiology and Health Economics, corporate member of Freie Universität Berlin and Humboldt-Universität, Charité-Universitätsmedizin, Berlin, Germany
- Department of Dermatology, Venereology and Allergology, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany
| | - Andreas Michalsen
- Institute of Social Medicine, Epidemiology and Health Economics, corporate member of Freie Universität Berlin and Humboldt-Universität, Charité-Universitätsmedizin, Berlin, Germany
- Department of Internal Medicine and Nature-based Therapies, Immanuel Hospital Berlin, Berlin, Germany
| | - Norbert J Tripolt
- Interdisciplinary Metabolic Medicine Trials Unit, Division of Endocrinology and Diabetology, Medical University of Graz, Graz, Austria
- Division of Endocrinology and Diabetology, Department of Internal Medicine, Medical University of Graz, Graz, Austria
| | - Harald Sourij
- Interdisciplinary Metabolic Medicine Trials Unit, Division of Endocrinology and Diabetology, Medical University of Graz, Graz, Austria
- Division of Endocrinology and Diabetology, Department of Internal Medicine, Medical University of Graz, Graz, Austria
| | - Thomas R Pieber
- BioTechMed Graz, Graz, Austria
- Interdisciplinary Metabolic Medicine Trials Unit, Division of Endocrinology and Diabetology, Medical University of Graz, Graz, Austria
- Division of Endocrinology and Diabetology, Department of Internal Medicine, Medical University of Graz, Graz, Austria
- HEALTH - Institute for Biomedical Research and Technologies, Joanneum Research Forschungsgesellschaft, Graz, Austria
| | - Rafael de Cabo
- Experimental Gerontology Section, Translational Gerontology Branch, National Institute on Aging, National Institutes of Health, Baltimore, MD, USA
| | - Mark A McCormick
- Department of Biochemistry and Molecular Biology, University of New Mexico Health Sciences Center, Albuquerque, NM, USA
| | - Christoph Magnes
- HEALTH - Institute for Biomedical Research and Technologies, Joanneum Research Forschungsgesellschaft, Graz, Austria
| | - Oliver Kepp
- Centre de Recherche des Cordeliers, Équipe Labellisée par la Ligue Contre le Cancer, Université de Paris Cité, Sorbonne Université, Inserm U1138, Institut Universitaire de France, Paris, France
- Metabolomics and Cell Biology Platforms, Gustave Roussy Cancer Center, Université Paris Saclay, Villejuif, France
| | - Joern Dengjel
- Department of Biology, University of Fribourg, Fribourg, Switzerland
| | - Stephan J Sigrist
- Institute for Biology and Genetics, Freie Universität Berlin, Berlin, Germany
- Cluster of Excellence, NeuroCure, Berlin, Germany
| | - Nils C Gassen
- Neurohomeostasis Research Group, Department of Psychiatry and Psychotherapy, University Hospital Bonn, Bonn, Germany
| | - Simon Sedej
- BioTechMed Graz, Graz, Austria
- Division of Cardiology, Medical University of Graz, Graz, Austria
- Institute of Physiology, Faculty of Medicine, University of Maribor, Maribor, Slovenia
| | - Tobias Madl
- BioTechMed Graz, Graz, Austria
- Research Unit Integrative Structural Biology, Otto Loewi Research Center, Medicinal Chemistry, Medical University of Graz, Graz, Austria
| | | | - Ulrich Stelzl
- Field of Excellence BioHealth, University of Graz, Graz, Austria
- BioTechMed Graz, Graz, Austria
- Institute of Pharmaceutical Sciences, Pharmaceutical Chemistry, University of Graz, Graz, Austria
| | - Markus H Hoffmann
- Department of Dermatology, Allergy and Venerology, University of Lübeck, Lübeck, Germany
- Institute for Systemic Inflammation Research, University of Lübeck, Lübeck, Germany
| | - Tobias Eisenberg
- Institute of Molecular Biosciences, NAWI Graz, University of Graz, Graz, Austria
- Field of Excellence BioHealth, University of Graz, Graz, Austria
- BioTechMed Graz, Graz, Austria
| | - Nektarios Tavernarakis
- Institute of Molecular Biology and Biotechnology, Foundation for Research and Technology - Hellas, Heraklion, Greece.
- Division of Basic Sciences, School of Medicine, University of Crete, Heraklion, Greece.
| | - Guido Kroemer
- Centre de Recherche des Cordeliers, Équipe Labellisée par la Ligue Contre le Cancer, Université de Paris Cité, Sorbonne Université, Inserm U1138, Institut Universitaire de France, Paris, France.
- Metabolomics and Cell Biology Platforms, Gustave Roussy Cancer Center, Université Paris Saclay, Villejuif, France.
- Institut du Cancer Paris CARPEM, Department of Biology, Hôpital Européen Georges Pompidou, AP-HP, Paris, France.
| | - Frank Madeo
- Institute of Molecular Biosciences, NAWI Graz, University of Graz, Graz, Austria.
- Field of Excellence BioHealth, University of Graz, Graz, Austria.
- BioTechMed Graz, Graz, Austria.
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Ungvari Z, Kunutsor SK. Coffee consumption and cardiometabolic health: a comprehensive review of the evidence. GeroScience 2024:10.1007/s11357-024-01262-5. [PMID: 38963648 DOI: 10.1007/s11357-024-01262-5] [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: 05/17/2024] [Accepted: 06/21/2024] [Indexed: 07/05/2024] Open
Abstract
This review provides a comprehensive synthesis of longitudinal observational and interventional studies on the cardiometabolic effects of coffee consumption. It explores biological mechanisms, and clinical and policy implications, and highlights gaps in the evidence while suggesting future research directions. It also reviews evidence on the causal relationships between coffee consumption and cardiometabolic outcomes from Mendelian randomization (MR) studies. Findings indicate that while coffee may cause short-term increases in blood pressure, it does not contribute to long-term hypertension risk. There is limited evidence indicating that coffee intake might reduce the risk of metabolic syndrome and non-alcoholic fatty liver disease. Furthermore, coffee consumption is consistently linked with reduced risks of type 2 diabetes (T2D) and chronic kidney disease (CKD), showing dose-response relationships. The relationship between coffee and cardiovascular disease is complex, showing potential stroke prevention benefits but ambiguous effects on coronary heart disease. Moderate coffee consumption, typically ranging from 1 to 5 cups per day, is linked to a reduced risk of heart failure, while its impact on atrial fibrillation remains inconclusive. Furthermore, coffee consumption is associated with a lower risk of all-cause mortality, following a U-shaped pattern, with the largest risk reduction observed at moderate consumption levels. Except for T2D and CKD, MR studies do not robustly support a causal link between coffee consumption and adverse cardiometabolic outcomes. The potential beneficial effects of coffee on cardiometabolic health are consistent across age, sex, geographical regions, and coffee subtypes and are multi-dimensional, involving antioxidative, anti-inflammatory, lipid-modulating, insulin-sensitizing, and thermogenic effects. Based on its beneficial effects on cardiometabolic health and fundamental biological processes involved in aging, moderate coffee consumption has the potential to contribute to extending the healthspan and increasing longevity. The findings underscore the need for future research to understand the underlying mechanisms and refine health recommendations regarding coffee consumption.
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Affiliation(s)
- Zoltan Ungvari
- Vascular Cognitive Impairment, Neurodegeneration and Healthy Brain Aging Program, Department of Neurosurgery, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
- Stephenson Cancer Center, University of Oklahoma, Oklahoma City, OK, USA
- Oklahoma Center for Geroscience and Healthy Brain Aging, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
- Department of Health Promotion Sciences, College of Public Health, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
- International Training Program in Geroscience, Doctoral College/Department of Preventive Medicine and Public Health, Semmelweis University, Budapest, Hungary
| | - Setor K Kunutsor
- Leicester Real World Evidence Unit, Diabetes Research Centre, University of Leicester, Leicester General Hospital, Gwendolen Road, Leicester, LE5 4WP, UK.
- Section of Cardiology, Department of Internal Medicine, Rady Faculty of Health Sciences, University of Manitoba, Saint Boniface Hospital, Winnipeg, MB, R2H 2A6, Canada.
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3
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Yusri K, Kumar S, Fong S, Gruber J, Sorrentino V. Towards Healthy Longevity: Comprehensive Insights from Molecular Targets and Biomarkers to Biological Clocks. Int J Mol Sci 2024; 25:6793. [PMID: 38928497 PMCID: PMC11203944 DOI: 10.3390/ijms25126793] [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: 05/23/2024] [Revised: 06/16/2024] [Accepted: 06/18/2024] [Indexed: 06/28/2024] Open
Abstract
Aging is a complex and time-dependent decline in physiological function that affects most organisms, leading to increased risk of age-related diseases. Investigating the molecular underpinnings of aging is crucial to identify geroprotectors, precisely quantify biological age, and propose healthy longevity approaches. This review explores pathways that are currently being investigated as intervention targets and aging biomarkers spanning molecular, cellular, and systemic dimensions. Interventions that target these hallmarks may ameliorate the aging process, with some progressing to clinical trials. Biomarkers of these hallmarks are used to estimate biological aging and risk of aging-associated disease. Utilizing aging biomarkers, biological aging clocks can be constructed that predict a state of abnormal aging, age-related diseases, and increased mortality. Biological age estimation can therefore provide the basis for a fine-grained risk stratification by predicting all-cause mortality well ahead of the onset of specific diseases, thus offering a window for intervention. Yet, despite technological advancements, challenges persist due to individual variability and the dynamic nature of these biomarkers. Addressing this requires longitudinal studies for robust biomarker identification. Overall, utilizing the hallmarks of aging to discover new drug targets and develop new biomarkers opens new frontiers in medicine. Prospects involve multi-omics integration, machine learning, and personalized approaches for targeted interventions, promising a healthier aging population.
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Affiliation(s)
- Khalishah Yusri
- Department of Biochemistry, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117596, Singapore
- Healthy Longevity Translational Research Program, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 119228, Singapore
| | - Sanjay Kumar
- Department of Biochemistry, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117596, Singapore
- Healthy Longevity Translational Research Program, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 119228, Singapore
| | - Sheng Fong
- Department of Geriatric Medicine, Singapore General Hospital, Singapore 169608, Singapore
- Clinical and Translational Sciences PhD Program, Duke-NUS Medical School, Singapore 169857, Singapore
| | - Jan Gruber
- Department of Biochemistry, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117596, Singapore
- Healthy Longevity Translational Research Program, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 119228, Singapore
- Science Division, Yale-NUS College, Singapore 138527, Singapore
| | - Vincenzo Sorrentino
- Department of Biochemistry, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117596, Singapore
- Healthy Longevity Translational Research Program, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 119228, Singapore
- Department of Medical Biochemistry, Amsterdam UMC, Amsterdam Gastroenterology Endocrinology Metabolism and Amsterdam Neuroscience Cellular & Molecular Mechanisms, University of Amsterdam, Meibergdreef 9, 1105AZ Amsterdam, The Netherlands
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Reis AB, Oliveira MSD, Souza DDS, Gomes DS, Silva LLD, Martínez LC, Serrão JE. Exploring the effects of the acaricide cyflumetofen on the vital organs of the honey bee Apis mellifera (Hymenoptera: Apidae) workers. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 929:172640. [PMID: 38670351 DOI: 10.1016/j.scitotenv.2024.172640] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/17/2024] [Revised: 03/25/2024] [Accepted: 04/18/2024] [Indexed: 04/28/2024]
Abstract
Bees are important for maintaining ecosystems, pollinating crops and producing marketable products. In recent years, a decline in bee populations has been reported, with multifactorial causes, including the intensification of pesticide use in agriculture. Among pesticides, cyflumetofen is an insecticide and acaricide used in apple, coffee and citrus crops, whose main pollinator is the honey bee Apis mellifera. Therefore, this bee is a potential target of cyflumetofen during foraging. This study evaluated the histopathological and cytological damage in the midgut, hypopharyngeal glands and fat body of A. mellifera workers exposed to LC50 of cyflumetofen. The midgut epithelium of exposed bees presented cytoplasmic vacuolization, release of vesicles and cell fragments, which indicate autophagy, increased production of digestive enzymes and cell death, respectively. The cytological analysis of the midgut revealed the dilation of the basal labyrinth and the presence of spherocrystals in the digestive cells. The hypopharyngeal glands produced greater amounts of secretion in treated bees, whereas no changes were observed in the fat body. The results indicate that acute exposure to cyflumetofen negatively affect A. mellifera, causing damage to the midgut and changes in the hypopharyngeal glands, which may compromise the survival and foraging of this pollinator.
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Affiliation(s)
- Aline Beatriz Reis
- Departamento de Biologia Geral, Universidade Federal de Viçosa, 36570-900 Viçosa, Minas Gerais, Brazil
| | - Mateus Soares de Oliveira
- Departamento de Biologia Geral, Universidade Federal de Viçosa, 36570-900 Viçosa, Minas Gerais, Brazil.
| | - Diego Dos Santos Souza
- Departamento de Entomologia, Universidade Federal de Viçosa, 36570-900 Viçosa, Minas Gerais, Brazil.
| | - Davy Soares Gomes
- Departamento de Biologia Geral, Universidade Federal de Viçosa, 36570-900 Viçosa, Minas Gerais, Brazil.
| | - Laryssa Lemos da Silva
- Departamento de Biologia Geral, Universidade Federal de Viçosa, 36570-900 Viçosa, Minas Gerais, Brazil.
| | - Luis Carlos Martínez
- Facultad de Ciencias Agrícolas, Universidad de Nariño, 602-7244309 Pasto, Nariño, Colombia.
| | - José Eduardo Serrão
- Departamento de Biologia Geral, Universidade Federal de Viçosa, 36570-900 Viçosa, Minas Gerais, Brazil.
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5
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Franco-Romero A, Morbidoni V, Milan G, Sartori R, Wulff J, Romanello V, Armani A, Salviati L, Conte M, Salvioli S, Franceschi C, Buonomo V, Swoboda CO, Grumati P, Pannone L, Martinelli S, Jefferies HB, Dikic I, van der Laan J, Cabreiro F, Millay DP, Tooze SA, Trevisson E, Sandri M. C16ORF70/MYTHO promotes healthy aging in C.elegans and prevents cellular senescence in mammals. J Clin Invest 2024; 134:e165814. [PMID: 38869949 PMCID: PMC11291266 DOI: 10.1172/jci165814] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Accepted: 06/07/2024] [Indexed: 06/15/2024] Open
Abstract
The identification of genes that confer either extension of life span or accelerate age-related decline was a step forward in understanding the mechanisms of aging and revealed that it is partially controlled by genetics and transcriptional programs. Here, we discovered that the human DNA sequence C16ORF70 encodes a protein, named MYTHO (macroautophagy and youth optimizer), which controls life span and health span. MYTHO protein is conserved from Caenorhabditis elegans to humans and its mRNA was upregulated in aged mice and elderly people. Deletion of the orthologous myt-1 gene in C. elegans dramatically shortened life span and decreased animal survival upon exposure to oxidative stress. Mechanistically, MYTHO is required for autophagy likely because it acts as a scaffold that binds WIPI2 and BCAS3 to recruit and assemble the conjugation system at the phagophore, the nascent autophagosome. We conclude that MYTHO is a transcriptionally regulated initiator of autophagy that is central in promoting stress resistance and healthy aging.
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Affiliation(s)
- Anais Franco-Romero
- Department of Biomedical Sciences, University of Padova, Padova, Italy
- Veneto Institute of Molecular Medicine, Padova, Italy
| | - Valeria Morbidoni
- Clinical Genetics Unit, Department of Women’s and Children’s Health, University of Padova, Padova, Italy
- Pediatric Research Institute (IRP) - Fondazione Città della Speranza, Padova, Italy
| | - Giulia Milan
- Department of Cardiac Surgery, University Hospital Basel and Department of Biomedicine, University of Basel, Basel, Switzerland
| | - Roberta Sartori
- Department of Biomedical Sciences, University of Padova, Padova, Italy
- Veneto Institute of Molecular Medicine, Padova, Italy
| | - Jesper Wulff
- Institute of Biochemistry II, Goethe University Frankfurt - Medical Faculty, University Hospital, Frankfurt am Main, Germany
| | - Vanina Romanello
- Department of Biomedical Sciences, University of Padova, Padova, Italy
- Veneto Institute of Molecular Medicine, Padova, Italy
| | - Andrea Armani
- Department of Biomedical Sciences, University of Padova, Padova, Italy
- Veneto Institute of Molecular Medicine, Padova, Italy
| | - Leonardo Salviati
- Clinical Genetics Unit, Department of Women’s and Children’s Health, University of Padova, Padova, Italy
- Pediatric Research Institute (IRP) - Fondazione Città della Speranza, Padova, Italy
| | - Maria Conte
- Department of Medical and Surgical Science (DIMEC), University of Bologna, Bologna, Italy
| | - Stefano Salvioli
- Department of Medical and Surgical Science (DIMEC), University of Bologna, Bologna, Italy
- IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy
| | - Claudio Franceschi
- Institute of Information Technologies, Mathematics and Mechanics, Lobachevsky State University, Nizhny Novgorod, Russia
| | - Viviana Buonomo
- Telethon Institute of Genetics and Medicine (TIGEM), Pozzuoli, Italy
| | - Casey O. Swoboda
- Division of Molecular Cardiovascular Biology, Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio, USA
- Division of Biomedical Informatics, Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio, USA
| | - Paolo Grumati
- Telethon Institute of Genetics and Medicine (TIGEM), Pozzuoli, Italy
- Department of Clinical Medicine and Surgery, University of Naples Federico II, Naples, Italy
| | - Luca Pannone
- Department of Oncology and Molecular Medicine, Istituto Superiore di Sanità, Rome, Italy
| | - Simone Martinelli
- Department of Oncology and Molecular Medicine, Istituto Superiore di Sanità, Rome, Italy
| | - Harold B.J. Jefferies
- The Francis Crick Institute, Molecular Cell Biology of Autophagy, London, United Kingdom
| | - Ivan Dikic
- Institute of Biochemistry II, Goethe University Frankfurt - Medical Faculty, University Hospital, Frankfurt am Main, Germany
- Buchmann Institute for Molecular Life Sciences, Goethe University Frankfurt - Riedberg Campus, Frankfurt am Main, Germany
| | - Jennifer van der Laan
- CECAD Research Cluster, University of Cologne, Cologne, Germany
- Institute of Clinical Sciences, Imperial College London, Hammersmith Hospital Campus, London, UK
| | - Filipe Cabreiro
- CECAD Research Cluster, University of Cologne, Cologne, Germany
- Institute of Clinical Sciences, Imperial College London, Hammersmith Hospital Campus, London, UK
| | - Douglas P. Millay
- Division of Molecular Cardiovascular Biology, Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio, USA
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio, USA
| | - Sharon A. Tooze
- The Francis Crick Institute, Molecular Cell Biology of Autophagy, London, United Kingdom
| | - Eva Trevisson
- Clinical Genetics Unit, Department of Women’s and Children’s Health, University of Padova, Padova, Italy
- Pediatric Research Institute (IRP) - Fondazione Città della Speranza, Padova, Italy
| | - Marco Sandri
- Department of Biomedical Sciences, University of Padova, Padova, Italy
- Veneto Institute of Molecular Medicine, Padova, Italy
- Myology Center, University of Padova, Padova, Italy
- Department of Medicine, McGill University, Montreal, Canada
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6
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D'Arcy MS. Mitophagy in health and disease. Molecular mechanisms, regulatory pathways, and therapeutic implications. Apoptosis 2024:10.1007/s10495-024-01977-y. [PMID: 38758472 DOI: 10.1007/s10495-024-01977-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/03/2024] [Indexed: 05/18/2024]
Abstract
Mitophagy, a specialised form of autophagy, selectively targeting damaged or dysfunctional mitochondria, and is crucial for maintaining cellular homeostasis and mitochondrial quality control. Dysregulation of mitophagy contributes to various pathological conditions, including cancer, neurodegenerative and cardiovascular diseases. This review presents a comprehensive analysis of the molecular mechanisms, regulatory pathways, and interplay with other cellular processes governing mitophagy, emphasizing its importance in physiological and pathological contexts. We explore the PINK1/Parkin-mediated and receptor-mediated mitophagy pathways, encompassing BNIP3/NIX, FUNDC1, and Bcl2-L-13. Additionally, we discuss post-translational modifications and cellular signalling pathways modulating mitophagy, as well as the connection between mitophagy and ageing, highlighting the decline in mitophagy efficiency and its impact on age-related pathologies. The review also investigates mitophagy's role in human diseases such as cancer, myocardial ischemia-reperfusion injury, Parkinson's, and Alzheimer's disease. We assess the potential of mitophagy-targeting therapeutic strategies, focusing on the development of dietary therapies, small molecules, drugs, and gene therapy approaches that modulate mitophagy levels and efficiency for treating these diseases and dysfunctions commonly observed in ageing individuals. In summary, this review offers an extensive overview of the molecular mechanisms and regulatory networks involved in mitophagy, its association with autophagy, and implications in human health and disease. By examining the potential of mitophagy-modulating therapies in disease and non-disease settings, we aim to inspire further research to develop innovative treatment strategies for various pathological conditions linked to mitochondrial dysfunction and to ageing.
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Affiliation(s)
- Mark S D'Arcy
- Hertfordshire International College, College Lane, Hatfield, AL10 9AB, UK.
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7
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Xu X, Wang J, Xia Y, Yin Y, Zhu T, Chen F, Hai C. Autophagy, a double-edged sword for oral tissue regeneration. J Adv Res 2024; 59:141-159. [PMID: 37356803 PMCID: PMC11081970 DOI: 10.1016/j.jare.2023.06.010] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Revised: 06/10/2023] [Accepted: 06/20/2023] [Indexed: 06/27/2023] Open
Abstract
BACKGROUND Oral health is of fundamental importance to maintain systemic health in humans. Stem cell-based oral tissue regeneration is a promising strategy to achieve the recovery of impaired oral tissue. As a highly conserved process of lysosomal degradation, autophagy induction regulates stem cell function physiologically and pathologically. Autophagy activation can serve as a cytoprotective mechanism in stressful environments, while insufficient or over-activation may also lead to cell function dysregulation and cell death. AIM OF REVIEW This review focuses on the effects of autophagy on stem cell function and oral tissue regeneration, with particular emphasis on diverse roles of autophagy in different oral tissues, including periodontal tissue, bone tissue, dentin pulp tissue, oral mucosa, salivary gland, maxillofacial muscle, temporomandibular joint, etc. Additionally, this review introduces the molecular mechanisms involved in autophagy during the regeneration of different parts of oral tissue, and how autophagy can be regulated by small molecule drugs, biomaterials, exosomes/RNAs or other specific treatments. Finally, this review discusses new perspectives for autophagy manipulation and oral tissue regeneration. KEY SCIENTIFIC CONCEPTS OF REVIEW Overall, this review emphasizes the contribution of autophagy to oral tissue regeneration and highlights the possible approaches for regulating autophagy to promote the regeneration of human oral tissue.
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Affiliation(s)
- Xinyue Xu
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases and Shaanxi Engineering Research Center for Dental Materials and Advanced Manufacture, Department of Periodontology, School of Stomatology, Fourth Military Medical University, Xi'an, PR China; Shaanxi Key Lab of Free Radical Biology and Medicine, Fourth Military Medical University, Xi'an, PR China
| | - Jia Wang
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases and Shaanxi Engineering Research Center for Dental Materials and Advanced Manufacture, Department of Periodontology, School of Stomatology, Fourth Military Medical University, Xi'an, PR China
| | - Yunlong Xia
- Shaanxi Key Lab of Free Radical Biology and Medicine, Fourth Military Medical University, Xi'an, PR China; Department of Cardiology, Xijing Hospital, Fourth Military Medical University, Xi'an, PR China
| | - Yuan Yin
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases and Shaanxi Engineering Research Center for Dental Materials and Advanced Manufacture, Department of Periodontology, School of Stomatology, Fourth Military Medical University, Xi'an, PR China
| | - Tianxiao Zhu
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases and Shaanxi Engineering Research Center for Dental Materials and Advanced Manufacture, Department of Periodontology, School of Stomatology, Fourth Military Medical University, Xi'an, PR China; Shaanxi Key Lab of Free Radical Biology and Medicine, Fourth Military Medical University, Xi'an, PR China
| | - Faming Chen
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases and Shaanxi Engineering Research Center for Dental Materials and Advanced Manufacture, Department of Periodontology, School of Stomatology, Fourth Military Medical University, Xi'an, PR China
| | - Chunxu Hai
- Shaanxi Key Lab of Free Radical Biology and Medicine, Fourth Military Medical University, Xi'an, PR China.
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8
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Martins TS, Correia M, Pinheiro D, Lemos C, Mendes MV, Pereira C, Costa V. Sit4 Genetically Interacts with Vps27 to Regulate Mitochondrial Function and Lifespan in Saccharomyces cerevisiae. Cells 2024; 13:655. [PMID: 38667270 PMCID: PMC11049076 DOI: 10.3390/cells13080655] [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: 01/06/2024] [Revised: 03/27/2024] [Accepted: 04/06/2024] [Indexed: 04/28/2024] Open
Abstract
The Sit4 protein phosphatase plays a key role in orchestrating various cellular processes essential for maintaining cell viability during aging. We have previously shown that SIT4 deletion promotes vacuolar acidification, mitochondrial derepression, and oxidative stress resistance, increasing yeast chronological lifespan. In this study, we performed a proteomic analysis of isolated vacuoles and yeast genetic interaction analysis to unravel how Sit4 influences vacuolar and mitochondrial function. By employing high-resolution mass spectrometry, we show that sit4Δ vacuolar membranes were enriched in Vps27 and Hse1, two proteins that are part of the endosomal sorting complex required for transport-0. In addition, SIT4 exhibited a negative genetic interaction with VPS27, as sit4∆vps27∆ double mutants had a shortened lifespan compared to sit4∆ and vps27∆ single mutants. Our results also show that Vps27 did not increase sit4∆ lifespan by improving protein trafficking or vacuolar sorting pathways. However, Vps27 was critical for iron homeostasis and mitochondrial function in sit4∆ cells, as sit4∆vps27∆ double mutants exhibited high iron levels and impaired mitochondrial respiration. These findings show, for the first time, cross-talk between Sit4 and Vps27, providing new insights into the mechanisms governing chronological lifespan.
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Affiliation(s)
- Telma S. Martins
- i3S—Instituto de Investigação e Inovação em Saúde, Universidade do Porto, 4200-135 Porto, Portugal; (T.S.M.); (M.C.); (D.P.); (C.L.); (M.V.M.)
- IBMC—Instituto de Biologia Molecular e Celular, Universidade do Porto, 4200-135 Porto, Portugal
- ICBAS—Instituto de Ciências Biomédicas Abel Salazar, Universidade do Porto, 4050-313 Porto, Portugal
| | - Miguel Correia
- i3S—Instituto de Investigação e Inovação em Saúde, Universidade do Porto, 4200-135 Porto, Portugal; (T.S.M.); (M.C.); (D.P.); (C.L.); (M.V.M.)
- IBMC—Instituto de Biologia Molecular e Celular, Universidade do Porto, 4200-135 Porto, Portugal
| | - Denise Pinheiro
- i3S—Instituto de Investigação e Inovação em Saúde, Universidade do Porto, 4200-135 Porto, Portugal; (T.S.M.); (M.C.); (D.P.); (C.L.); (M.V.M.)
- IBMC—Instituto de Biologia Molecular e Celular, Universidade do Porto, 4200-135 Porto, Portugal
| | - Carolina Lemos
- i3S—Instituto de Investigação e Inovação em Saúde, Universidade do Porto, 4200-135 Porto, Portugal; (T.S.M.); (M.C.); (D.P.); (C.L.); (M.V.M.)
- IBMC—Instituto de Biologia Molecular e Celular, Universidade do Porto, 4200-135 Porto, Portugal
- ICBAS—Instituto de Ciências Biomédicas Abel Salazar, Universidade do Porto, 4050-313 Porto, Portugal
| | - Marta Vaz Mendes
- i3S—Instituto de Investigação e Inovação em Saúde, Universidade do Porto, 4200-135 Porto, Portugal; (T.S.M.); (M.C.); (D.P.); (C.L.); (M.V.M.)
- IBMC—Instituto de Biologia Molecular e Celular, Universidade do Porto, 4200-135 Porto, Portugal
| | - Clara Pereira
- i3S—Instituto de Investigação e Inovação em Saúde, Universidade do Porto, 4200-135 Porto, Portugal; (T.S.M.); (M.C.); (D.P.); (C.L.); (M.V.M.)
- IBMC—Instituto de Biologia Molecular e Celular, Universidade do Porto, 4200-135 Porto, Portugal
| | - Vítor Costa
- i3S—Instituto de Investigação e Inovação em Saúde, Universidade do Porto, 4200-135 Porto, Portugal; (T.S.M.); (M.C.); (D.P.); (C.L.); (M.V.M.)
- IBMC—Instituto de Biologia Molecular e Celular, Universidade do Porto, 4200-135 Porto, Portugal
- ICBAS—Instituto de Ciências Biomédicas Abel Salazar, Universidade do Porto, 4050-313 Porto, Portugal
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9
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Zimmermann A, Madeo F, Diwan A, Sadoshima J, Sedej S, Kroemer G, Abdellatif M. Metabolic control of mitophagy. Eur J Clin Invest 2024; 54:e14138. [PMID: 38041247 DOI: 10.1111/eci.14138] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/03/2023] [Revised: 11/09/2023] [Accepted: 11/20/2023] [Indexed: 12/03/2023]
Abstract
Mitochondrial dysfunction is a major hallmark of ageing and related chronic disorders. Controlled removal of damaged mitochondria by the autophagic machinery, a process known as mitophagy, is vital for mitochondrial homeostasis and cell survival. The central role of mitochondria in cellular metabolism places mitochondrial removal at the interface of key metabolic pathways affecting the biosynthesis or catabolism of acetyl-coenzyme A, nicotinamide adenine dinucleotide, polyamines, as well as fatty acids and amino acids. Molecular switches that integrate the metabolic status of the cell, like AMP-dependent protein kinase, protein kinase A, mechanistic target of rapamycin and sirtuins, have also emerged as important regulators of mitophagy. In this review, we discuss how metabolic regulation intersects with mitophagy. We place special emphasis on the metabolic regulatory circuits that may be therapeutically targeted to delay ageing and mitochondria-associated chronic diseases. Moreover, we identify outstanding knowledge gaps, such as the ill-defined distinction between basal and damage-induced mitophagy, which must be resolved to boost progress in this area.
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Affiliation(s)
- Andreas Zimmermann
- Institute of Molecular Biosciences, University of Graz, Graz, Austria
- Field of Excellence BioHealth-University of Graz, Graz, Austria
| | - Frank Madeo
- Institute of Molecular Biosciences, University of Graz, Graz, Austria
- Field of Excellence BioHealth-University of Graz, Graz, Austria
- BioTechMed Graz, Graz, Austria
| | - Abhinav Diwan
- Division of Cardiology and Center for Cardiovascular Research, Washington University School of Medicine, and John Cochran Veterans Affairs Medical Center, St. Louis, Missouri, USA
| | - Junichi Sadoshima
- Department of Cell Biology and Molecular Medicine, Rutgers New Jersey Medical School, Newark, New Jersey, USA
| | - Simon Sedej
- BioTechMed Graz, Graz, Austria
- Department of Cardiology, Medical University of Graz, Graz, Austria
- Faculty of Medicine, Institute of Physiology, University of Maribor, Maribor, Slovenia
| | - Guido Kroemer
- Metabolomics and Cell Biology Platforms, Institut Gustave Roussy, 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
- Department of Biology, Hôpital Européen Georges Pompidou, Institut du Cancer Paris CARPEM, Paris, France
| | - Mahmoud Abdellatif
- BioTechMed Graz, Graz, Austria
- Department of Cardiology, Medical University of Graz, Graz, Austria
- Metabolomics and Cell Biology Platforms, Institut Gustave Roussy, 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
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10
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Johnson A, Ricaurte-Perez C, Wall P, Dubuisson O, Bohnert K. DAF-16/FOXO and HLH-30/TFEB comprise a cooperative regulatory axis controlling tubular lysosome induction in C. elegans. RESEARCH SQUARE 2024:rs.3.rs-4049366. [PMID: 38585786 PMCID: PMC10996798 DOI: 10.21203/rs.3.rs-4049366/v1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/09/2024]
Abstract
Although life expectancy has increased, longer lifespans do not always align with prolonged healthspans and, as a result, the occurrence of age-related degenerative diseases continues to increase. Thus, biomedical research has been shifting focus to strategies that enhance both lifespan and healthspan concurrently. Two major transcription factors that have been heavily studied in the context of aging and longevity are DAF-16/FOXO and HLH-30/TFEB; however, how these two factors coordinate to promote longevity is still not fully understood. In this study, we reveal a new facet of their cooperation that supports healthier aging in C. elegans. Namely, we demonstrate that the combinatorial effect of daf-16 and hlh-30 is required to trigger robust lysosomal tubulation, which contributes to systemic health benefits in late age by enhancing cross-tissue proteostasis mechanisms. Remarkably, this change in lysosomal morphology can be artificially induced via overexpression of SVIP, a previously characterized tubular lysosome stimulator, even when one of the key transcription factors, DAF-16, is absent. This adds to growing evidence that SVIP could be utilized to employ tubular lysosome activity in adverse conditions or disease states. Mechanistically, intestinal overexpression of SVIP leads to nuclear accumulation of HLH-30 in gut and non-gut tissues and triggers global gene expression changes that promotes systemic health benefits. Collectively, our work reveals a new cellular process that is under the control of DAF-16 and HLH-30 and provides further insight into how these two transcription factors may be exerting their pro-health effects.
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Affiliation(s)
| | | | - P Wall
- Louisiana State University System
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11
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Jagaraj CJ, Shadfar S, Kashani SA, Saravanabavan S, Farzana F, Atkin JD. Molecular hallmarks of ageing in amyotrophic lateral sclerosis. Cell Mol Life Sci 2024; 81:111. [PMID: 38430277 PMCID: PMC10908642 DOI: 10.1007/s00018-024-05164-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2023] [Revised: 01/21/2024] [Accepted: 02/06/2024] [Indexed: 03/03/2024]
Abstract
Amyotrophic lateral sclerosis (ALS) is a fatal, severely debilitating and rapidly progressing disorder affecting motor neurons in the brain, brainstem, and spinal cord. Unfortunately, there are few effective treatments, thus there remains a critical need to find novel interventions that can mitigate against its effects. Whilst the aetiology of ALS remains unclear, ageing is the major risk factor. Ageing is a slowly progressive process marked by functional decline of an organism over its lifespan. However, it remains unclear how ageing promotes the risk of ALS. At the molecular and cellular level there are specific hallmarks characteristic of normal ageing. These hallmarks are highly inter-related and overlap significantly with each other. Moreover, whilst ageing is a normal process, there are striking similarities at the molecular level between these factors and neurodegeneration in ALS. Nine ageing hallmarks were originally proposed: genomic instability, loss of telomeres, senescence, epigenetic modifications, dysregulated nutrient sensing, loss of proteostasis, mitochondrial dysfunction, stem cell exhaustion, and altered inter-cellular communication. However, these were recently (2023) expanded to include dysregulation of autophagy, inflammation and dysbiosis. Hence, given the latest updates to these hallmarks, and their close association to disease processes in ALS, a new examination of their relationship to pathophysiology is warranted. In this review, we describe possible mechanisms by which normal ageing impacts on neurodegenerative mechanisms implicated in ALS, and new therapeutic interventions that may arise from this.
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Affiliation(s)
- Cyril Jones Jagaraj
- MND Research Centre, Macquarie Medical School, Faculty of Medicine, Health and Human Sciences, Macquarie University, 75 Talavera Road, Sydney, NSW, 2109, Australia
| | - Sina Shadfar
- MND Research Centre, Macquarie Medical School, Faculty of Medicine, Health and Human Sciences, Macquarie University, 75 Talavera Road, Sydney, NSW, 2109, Australia
| | - Sara Assar Kashani
- MND Research Centre, Macquarie Medical School, Faculty of Medicine, Health and Human Sciences, Macquarie University, 75 Talavera Road, Sydney, NSW, 2109, Australia
| | - Sayanthooran Saravanabavan
- MND Research Centre, Macquarie Medical School, Faculty of Medicine, Health and Human Sciences, Macquarie University, 75 Talavera Road, Sydney, NSW, 2109, Australia
| | - Fabiha Farzana
- MND Research Centre, Macquarie Medical School, Faculty of Medicine, Health and Human Sciences, Macquarie University, 75 Talavera Road, Sydney, NSW, 2109, Australia
| | - Julie D Atkin
- MND Research Centre, Macquarie Medical School, Faculty of Medicine, Health and Human Sciences, Macquarie University, 75 Talavera Road, Sydney, NSW, 2109, Australia.
- La Trobe Institute for Molecular Science, La Trobe University, Bundoora, Melbourne, VIC, 3086, Australia.
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12
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Laukkanen JA, Kunutsor SK. The multifaceted benefits of passive heat therapies for extending the healthspan: A comprehensive review with a focus on Finnish sauna. Temperature (Austin) 2024; 11:27-51. [PMID: 38577299 PMCID: PMC10989710 DOI: 10.1080/23328940.2023.2300623] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Accepted: 12/22/2023] [Indexed: 04/06/2024] Open
Abstract
Passive heat therapy is characterized by exposure to a high environmental temperature for a brief period. There are several types of passive heat therapy which include hot tubs, Waon therapy, hydrotherapy, sanarium, steam baths, infrared saunas and Finnish saunas. The most commonly used and widely studied till date are the Finnish saunas, which are characterized by high temperatures (ranging from 80-100°C) and dry air with relative humidity varying from 10-20%. The goal of this review is to provide a summary of the current evidence on the impact of passive heat therapies particularly Finnish saunas on various health outcomes, while acknowledging the potential of these therapies to contribute to the extension of healthspan, based on their demonstrated health benefits and disease prevention capabilities. The Finnish saunas have the most consistent and robust evidence regarding health benefits and they have been shown to decrease the risk of health outcomes such as hypertension, cardiovascular disease, thromboembolism, dementia, and respiratory conditions; may improve the severity of musculoskeletal disorders, COVID-19, headache and flu, while also improving mental well-being, sleep, and longevity. Finnish saunas may also augment the beneficial effects of other protective lifestyle factors such as physical activity. The beneficial effects of passive heat therapies may be linked to their anti-inflammatory, cytoprotective and anti-oxidant properties and synergistic effects on neuroendocrine, circulatory, cardiovascular and immune function. Passive heat therapies, notably Finnish saunas, are emerging as potentially powerful and holistic strategies to promoting health and extending the healthspan in all populations.
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Affiliation(s)
- Jari A. Laukkanen
- Institute of Clinical Medicine, Department of Medicine, University of Eastern Finland, Kuopio, Finland
- Department of Medicine, Wellbeing Services County of Central Finland, Jyväskylä, Finland
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13
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Yang T, Wan R, Tu W, Avvaru SN, Gao P. Aryl hydrocarbon receptor: Linking environment to aging process in elderly patients with asthma. Chin Med J (Engl) 2024; 137:382-393. [PMID: 38238253 PMCID: PMC10876263 DOI: 10.1097/cm9.0000000000002960] [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: 08/08/2023] [Indexed: 02/12/2024] Open
Abstract
ABSTRACT Aging is a significant risk factor for various diseases, including asthma, and it often leads to poorer clinical outcomes, particularly in elderly individuals. It is recognized that age-related diseases are due to a time-dependent accumulation of cellular damage, resulting in a progressive decline in cellular and physiological functions and an increased susceptibility to chronic diseases. The effects of aging affect not only the elderly but also those of younger ages, posing significant challenges to global healthcare. Thus, understanding the molecular mechanisms associated with aging in different diseases is essential. One intriguing factor is the aryl hydrocarbon receptor (AhR), which serves as a cytoplasmic receptor and ligand-activated transcription factor and has been linked to the aging process. Here, we review the literature on several major hallmarks of aging, including mitochondrial dysfunction, cellular senescence, autophagy, mitophagy, epigenetic alterations, and microbiome disturbances. Moreover, we provide an overview of the impact of AhR on these hallmarks by mediating responses to environmental exposures, particularly in relation to the immune system. Furthermore, we explore how aging hallmarks affect clinical characteristics, inflammatory features, exacerbations, and the treatment of asthma. It is suggested that AhR signaling may potentially play a role in regulating asthma phenotypes in elderly populations as part of the aging process.
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Affiliation(s)
- Tianrui Yang
- Division of Allergy and Clinical Immunology, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD 21224, USA
- Department of Geriatric Medicine, The First People’s Hospital of Yunnan Province, Kunming, Yunnan 650032, China
| | - Rongjun Wan
- Division of Allergy and Clinical Immunology, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD 21224, USA
- Department of Respiratory Medicine, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
| | - Wei Tu
- Division of Allergy and Clinical Immunology, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD 21224, USA
- The State Key Laboratory of Respiratory Disease for Allergy, Shenzhen Key Laboratory of Allergy and Immunology, Shenzhen University School of Medicine, Shenzhen, Guangdong 518055, China
| | - Sai Nithin Avvaru
- Division of Allergy and Clinical Immunology, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD 21224, USA
| | - Peisong Gao
- Division of Allergy and Clinical Immunology, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD 21224, USA
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14
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Tenchov R, Sasso JM, Wang X, Zhou QA. Antiaging Strategies and Remedies: A Landscape of Research Progress and Promise. ACS Chem Neurosci 2024; 15:408-446. [PMID: 38214973 PMCID: PMC10853939 DOI: 10.1021/acschemneuro.3c00532] [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: 08/12/2023] [Revised: 12/01/2023] [Accepted: 12/04/2023] [Indexed: 01/13/2024] Open
Abstract
Aging is typified by a gradual loss of physiological fitness and accumulation of cellular damage, leading to deteriorated functions and enhanced vulnerability to diseases. Antiaging research has a long history throughout civilization, with many efforts put forth to understand and prevent the effects of aging. Multiple strategies aiming to promote healthy aging and extend the lifespan have been developed including lifestyle adjustments, medical treatments, and social programs. A multitude of antiaging medicines and remedies have also been explored. Here, we use data from the CAS Content Collection to analyze the publication landscape of recent research related to antiaging strategies and treatments. We review the recent advances and delineate trends in research headway of antiaging knowledge and practice across time, geography, and development pipelines. We further assess the state-of-the-art antiaging approaches and explore their correlations with age-related diseases. The landscape of antiaging drugs has been outlined and explored. Well-recognized and novel, currently evaluated antiaging agents have also been summarized. Finally, we review clinical applications of antiaging products with their development pipelines. The objective of this review is to summarize current knowledge on preventive strategies and treatment remedies in the field of aging, to outline challenges and evaluate growth opportunities, in order to further efforts to solve the problems that remain.
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Affiliation(s)
- Rumiana Tenchov
- CAS, a Division of the American
Chemical Society, 2540 Olentangy River Road, Columbus, Ohio 43202, United States
| | - Janet M. Sasso
- CAS, a Division of the American
Chemical Society, 2540 Olentangy River Road, Columbus, Ohio 43202, United States
| | - Xinmei Wang
- CAS, a Division of the American
Chemical Society, 2540 Olentangy River Road, Columbus, Ohio 43202, United States
| | - Qiongqiong Angela Zhou
- CAS, a Division of the American
Chemical Society, 2540 Olentangy River Road, Columbus, Ohio 43202, United States
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15
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Tenchov R, Sasso JM, Wang X, Zhou QA. Aging Hallmarks and Progression and Age-Related Diseases: A Landscape View of Research Advancement. ACS Chem Neurosci 2024; 15:1-30. [PMID: 38095562 PMCID: PMC10767750 DOI: 10.1021/acschemneuro.3c00531] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2023] [Revised: 11/15/2023] [Accepted: 11/16/2023] [Indexed: 01/04/2024] Open
Abstract
Aging is a dynamic, time-dependent process that is characterized by a gradual accumulation of cell damage. Continual functional decline in the intrinsic ability of living organisms to accurately regulate homeostasis leads to increased susceptibility and vulnerability to diseases. Many efforts have been put forth to understand and prevent the effects of aging. Thus, the major cellular and molecular hallmarks of aging have been identified, and their relationships to age-related diseases and malfunctions have been explored. Here, we use data from the CAS Content Collection to analyze the publication landscape of recent aging-related research. We review the advances in knowledge and delineate trends in research advancements on aging factors and attributes across time and geography. We also review the current concepts related to the major aging hallmarks on the molecular, cellular, and organismic level, age-associated diseases, with attention to brain aging and brain health, as well as the major biochemical processes associated with aging. Major age-related diseases have been outlined, and their correlations with the major aging features and attributes are explored. We hope this review will be helpful for apprehending the current knowledge in the field of aging mechanisms and progression, in an effort to further solve the remaining challenges and fulfill its potential.
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Affiliation(s)
- Rumiana Tenchov
- CAS, a Division of the American Chemical
Society, 2540 Olentangy River Road, Columbus, Ohio 43202, United States
| | - Janet M. Sasso
- CAS, a Division of the American Chemical
Society, 2540 Olentangy River Road, Columbus, Ohio 43202, United States
| | - Xinmei Wang
- CAS, a Division of the American Chemical
Society, 2540 Olentangy River Road, Columbus, Ohio 43202, United States
| | - Qiongqiong Angela Zhou
- CAS, a Division of the American Chemical
Society, 2540 Olentangy River Road, Columbus, Ohio 43202, United States
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16
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Schädel P, Wichmann-Costaganna M, Czapka A, Gebert N, Ori A, Werz O. Short-Term Caloric Restriction and Subsequent Re-Feeding Compromise Liver Health and Associated Lipid Mediator Signaling in Aged Mice. Nutrients 2023; 15:3660. [PMID: 37630850 PMCID: PMC10458887 DOI: 10.3390/nu15163660] [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: 07/07/2023] [Revised: 08/03/2023] [Accepted: 08/17/2023] [Indexed: 08/27/2023] Open
Abstract
Aging is characterized by alterations in the inflammatory microenvironment, which is tightly regulated by a complex network of inflammatory mediators. Excessive calorie consumption contributes to age- and lifestyle-associated diseases like obesity, type 2 diabetes, cardiovascular disorders, and cancer, while limited nutrient availability may lead to systemic health-promoting adaptations. Geroprotective effects of short-term caloric restriction (CR) can beneficially regulate innate immune receptors and interferon signaling in the liver of aged mice, but how CR impacts the hepatic release of immunomodulatory mediators like cytokines and lipid mediators (LM) is elusive. Here, we investigated the impact of aging on the inflammatory microenvironment in the liver and its linkage to calorie consumption. The livers of female young and aged C57BL/6JRj mice, as well as of aged mice after caloric restriction (CR) up to 28 days, with and without subsequent re-feeding (2 days), were evaluated. Surprisingly, despite differences in the hepatic proteome of young and old mice, aging did not promote a pro-inflammatory environment in the liver, but it reduced lipoxygenase-mediated formation of LM from polyunsaturated fatty acids without affecting the expression of the involved lipoxygenases and related oxygenases. Moreover, CR failed to ameliorate the secretion of pro-inflammatory cytokines but shifted the LM production to the formation of monohydroxylated LM with inflammation-resolving features. Unexpectedly, re-feeding after CR even further decreased the inflammatory response as LM species were markedly downregulated. Our findings raise the question of how short-term CR is indeed beneficial as a nutritional intervention for healthy elderly subjects and further stress the necessity to address tissue-specific inflammatory states.
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Affiliation(s)
- Patrick Schädel
- Department of Pharmaceutical/Medicinal Chemistry, Institute of Pharmacy, Friedrich Schiller University, D-07743 Jena, Germany; (P.S.); (M.W.-C.); (A.C.)
| | - Mareike Wichmann-Costaganna
- Department of Pharmaceutical/Medicinal Chemistry, Institute of Pharmacy, Friedrich Schiller University, D-07743 Jena, Germany; (P.S.); (M.W.-C.); (A.C.)
| | - Anna Czapka
- Department of Pharmaceutical/Medicinal Chemistry, Institute of Pharmacy, Friedrich Schiller University, D-07743 Jena, Germany; (P.S.); (M.W.-C.); (A.C.)
- Leibniz Institute for Natural Product Research and Infection Biology, Hans Knöll Institute, D-07745 Jena, Germany
| | - Nadja Gebert
- Leibniz Institute on Aging—Fritz Lipmann Institute, D-07745 Jena, Germany; (N.G.); (A.O.)
| | - Alessandro Ori
- Leibniz Institute on Aging—Fritz Lipmann Institute, D-07745 Jena, Germany; (N.G.); (A.O.)
| | - Oliver Werz
- Department of Pharmaceutical/Medicinal Chemistry, Institute of Pharmacy, Friedrich Schiller University, D-07743 Jena, Germany; (P.S.); (M.W.-C.); (A.C.)
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17
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Yang F, Liu X, Li Y, Yu Z, Huang X, Yang G, Xu S. Evolutionary analysis of the mTOR pathway provide insights into lifespan extension across mammals. BMC Genomics 2023; 24:456. [PMID: 37582720 PMCID: PMC10426088 DOI: 10.1186/s12864-023-09554-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2022] [Accepted: 08/03/2023] [Indexed: 08/17/2023] Open
Abstract
BACKGROUND Lifespan extension has independently evolved several times during mammalian evolution, leading to the emergence of a group of long-lived animals. Though mammalian/mechanistic target of rapamycin (mTOR) signaling pathway is shown as a central regulator of lifespan and aging, the underlying influence of mTOR pathway on the evolution of lifespan in mammals is not well understood. RESULTS Here, we performed evolution analyses of 72 genes involved in the mTOR network across 48 mammals to explore the underlying mechanism of lifespan extension. We identified a total of 20 genes with significant evolution signals unique to long-lived species, including 12 positively selected genes, four convergent evolution genes, and five longevity associated genes whose evolution rate related to the maximum lifespan (MLS). Of these genes, four positively selected genes, two convergent evolution genes and one longevity-associated gene were involved in the autophagy response and aging-related diseases, while eight genes were known as cancer genes, indicating the long-lived species might have evolved effective regulation mechanisms of autophagy and cancer to extend lifespan. CONCLUSION Our study revealed genes with significant evolutionary signals unique to long-lived species, which provided new insight into the lifespan extension of mammals and might bring new strategies to extend human lifespan.
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Affiliation(s)
- Fei Yang
- Jiangsu Key Laboratory for Biodiverity and Biotechnology, College of Life Sciences, Nanjing Normal University, Nanjing, 210023, China
| | - Xing Liu
- Jiangsu Key Laboratory for Biodiverity and Biotechnology, College of Life Sciences, Nanjing Normal University, Nanjing, 210023, China
| | - Yi Li
- Jiangsu Key Laboratory for Biodiverity and Biotechnology, College of Life Sciences, Nanjing Normal University, Nanjing, 210023, China
| | - Zhenpeng Yu
- Jiangsu Key Laboratory for Biodiverity and Biotechnology, College of Life Sciences, Nanjing Normal University, Nanjing, 210023, China
| | - Xin Huang
- Jiangsu Key Laboratory for Biodiverity and Biotechnology, College of Life Sciences, Nanjing Normal University, Nanjing, 210023, China
| | - Guang Yang
- Jiangsu Key Laboratory for Biodiverity and Biotechnology, College of Life Sciences, Nanjing Normal University, Nanjing, 210023, China
| | - Shixia Xu
- Jiangsu Key Laboratory for Biodiverity and Biotechnology, College of Life Sciences, Nanjing Normal University, Nanjing, 210023, China.
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18
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Ghosh Chowdhury S, Ray R, Karmakar P. Relating aging and autophagy: a new perspective towards the welfare of human health. EXCLI JOURNAL 2023; 22:732-748. [PMID: 37662706 PMCID: PMC10471842 DOI: 10.17179/excli2023-6300] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 07/02/2023] [Accepted: 07/24/2023] [Indexed: 09/05/2023]
Abstract
The most common factor that contributes to aging is the loss of proteostasis, resulting in an excess amount of non-functional/damaged proteins. These proteins lead to various age-associated phenotypes such as cellular senescence and dysfunction in the nutrient-sensing pathways. Despite the various factors that can contribute to aging, it is still a process that can be changed. According to recent advances in the field of biology, the ability to alter the pathways that are involved in aging can improve the lifespan of a person. Autophagy is a process that helps in preserving survival during stressful situations, such as starvation. It is a common component of various anti-aging interventions, including those that target the insulin/IGF-1 and rapamycin signaling pathways. It has been shown that altered autophagy is a common feature of old age and its impaired regulation could have significant effects on the aging process. This review aims to look into the role of autophagy in aging and how it can be used to improve one's health.
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Affiliation(s)
| | - Rachayeeta Ray
- Department of Life Science and Biotechnology, Jadavpur University, Kolkata-700032, India
| | - Parimal Karmakar
- Department of Life Science and Biotechnology, Jadavpur University, Kolkata-700032, India
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19
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Sagar S, Gustafsson AB. Cardiovascular aging: the mitochondrial influence. THE JOURNAL OF CARDIOVASCULAR AGING 2023; 3:33. [PMID: 37583788 PMCID: PMC10426788 DOI: 10.20517/jca.2023.22] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Indexed: 08/17/2023]
Abstract
Age-associated cardiovascular disease is becoming progressively prevalent due to the increased lifespan of the population. However, the fundamental mechanisms underlying the aging process and the corresponding decline in tissue functions are still poorly understood. The heart has a very high energy demand and the cellular energy needed to sustain contraction is primarily generated by mitochondrial oxidative phosphorylation. Mitochondria are also involved in supporting various metabolic processes, as well as activation of the innate immune response and cell death pathways. Given the central role of mitochondria in energy metabolism and cell survival, the heart is highly susceptible to the effects of mitochondrial dysfunction. These key organelles have been implicated as underlying drivers of cardiac aging. Here, we review the evidence demonstrating the mitochondrial contribution to the cardiac aging process and disease susceptibility. We also discuss the potential mechanisms responsible for the age-related decline in mitochondrial function.
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Affiliation(s)
- Shakti Sagar
- Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego, La Jolla, CA 92093, USA
| | - Asa B Gustafsson
- Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego, La Jolla, CA 92093, USA
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20
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Influence of the Mediterranean Diet on Healthy Aging. Int J Mol Sci 2023; 24:ijms24054491. [PMID: 36901921 PMCID: PMC10003249 DOI: 10.3390/ijms24054491] [Citation(s) in RCA: 22] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Revised: 02/18/2023] [Accepted: 02/21/2023] [Indexed: 03/02/2023] Open
Abstract
The life expectancy of the global population has increased. Aging is a natural physiological process that poses major challenges in an increasingly long-lived and frail population. Several molecular mechanisms are involved in aging. Likewise, the gut microbiota, which is influenced by environmental factors such as diet, plays a crucial role in the modulation of these mechanisms. The Mediterranean diet, as well as the components present in it, offer some proof of this. Achieving healthy aging should be focused on the promotion of healthy lifestyle habits that reduce the development of pathologies that are associated with aging, in order to increase the quality of life of the aging population. In this review we analyze the influence of the Mediterranean diet on the molecular pathways and the microbiota associated with more favorable aging patterns, as well as its possible role as an anti-aging treatment.
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21
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Zhao T, Liu C, Liu L, Wang X, Liu C. Aging-accelerated differential production and aggregation of STAT3 protein in neuronal cells and neural stem cells in the male mouse spinal cord. Biogerontology 2023; 24:137-148. [PMID: 36550376 DOI: 10.1007/s10522-022-10004-z] [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: 10/10/2022] [Accepted: 11/29/2022] [Indexed: 12/24/2022]
Abstract
Aging-affected cellular compositions of the spinal cord are diverse and region specific. Age leads to the accumulation of abnormal protein aggregates and dysregulation of proteostasis. Dysregulated proteostasis and protein aggregates result from dysfunction of the ubiquitin-proteasome system (UPS) and autophagy. Understanding the molecular mechanisms of spinal cord aging is essential and important for scientists to discover new therapies for rejuvenation. We found age-related increases in STAT3 and decreases in Tuj1 in aging mouse spinal cords, which was characterized by increased expression of P16. Coaggregation of lysine-48 and lysine-63 ubiquitin with STAT3 was revealed in aging mouse spinal cords. STAT3-ubiquitin aggregates formed via lysine-48 and lysine-63 linkages were increased significantly in the aging spinal cords but not in central canal ependymal cells or neural stem cells in the spinal cord. These results highlight the increase in STAT3 and its region-specific aggregation and ubiquitin-conjugation during spinal cord aging.
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Affiliation(s)
- Tianyi Zhao
- Department of Histology and Embryology, School of Basic Medical Sciences, Institute of Stem Cell and Tissue Engineering, Anhui Medical University, 81 Meishan Road, Hefei, 230032, Anhui, China
| | - Chang Liu
- Department of Orthopedics and Spine Surgery, The First Affiliated Hospital, Anhui Medical University, Hefei, 230032, Anhui, China
| | - Lihua Liu
- Institute of Clinical Pharmacology, Anhui Medical University, Hefei, 230032, Anhui, China
| | - Xinmeng Wang
- Department of Histology and Embryology, School of Basic Medical Sciences, Institute of Stem Cell and Tissue Engineering, Anhui Medical University, 81 Meishan Road, Hefei, 230032, Anhui, China
| | - Chao Liu
- Department of Histology and Embryology, School of Basic Medical Sciences, Institute of Stem Cell and Tissue Engineering, Anhui Medical University, 81 Meishan Road, Hefei, 230032, Anhui, China.
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22
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Bennett DF, Goyala A, Statzer C, Beckett CW, Tyshkovskiy A, Gladyshev VN, Ewald CY, de Magalhães JP. Rilmenidine extends lifespan and healthspan in Caenorhabditis elegans via a nischarin I1-imidazoline receptor. Aging Cell 2023; 22:e13774. [PMID: 36670049 PMCID: PMC9924948 DOI: 10.1111/acel.13774] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2022] [Revised: 12/02/2022] [Accepted: 12/09/2022] [Indexed: 01/22/2023] Open
Abstract
Repurposing drugs capable of extending lifespan and health span has a huge untapped potential in translational geroscience. Here, we searched for known compounds that elicit a similar gene expression signature to caloric restriction and identified rilmenidine, an I1-imidazoline receptor agonist and prescription medication for the treatment of hypertension. We then show that treating Caenorhabditis elegans with rilmenidine at young and older ages increases lifespan. We also demonstrate that the stress-resilience, health span, and lifespan benefits of rilmenidine treatment in C. elegans are mediated by the I1-imidazoline receptor nish-1, implicating this receptor as a potential longevity target. Consistent with the shared caloric-restriction-mimicking gene signature, supplementing rilmenidine to calorically restricted C. elegans, genetic reduction of TORC1 function, or rapamycin treatment did not further increase lifespan. The rilmenidine-induced longevity required the transcription factors FOXO/DAF-16 and NRF1,2,3/SKN-1. Furthermore, we find that autophagy, but not AMPK signaling, was needed for rilmenidine-induced longevity. Moreover, transcriptional changes similar to caloric restriction were observed in liver and kidney tissues in mice treated with rilmenidine. Together, these results reveal a geroprotective and potential caloric restriction mimetic effect by rilmenidine that warrant fresh lines of inquiry into this compound.
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Affiliation(s)
- Dominic F. Bennett
- Integrative Genomics of Ageing GroupInstitute of Ageing and Chronic Disease, University of LiverpoolLiverpoolUK
| | - Anita Goyala
- Department of Health Sciences and Technology, Laboratory of Extracellular Matrix RegenerationInstitute of Translational Medicine, ETH ZürichSchwerzenbachSwitzerland
| | - Cyril Statzer
- Department of Health Sciences and Technology, Laboratory of Extracellular Matrix RegenerationInstitute of Translational Medicine, ETH ZürichSchwerzenbachSwitzerland
| | - Charles W. Beckett
- Integrative Genomics of Ageing GroupInstitute of Ageing and Chronic Disease, University of LiverpoolLiverpoolUK
| | - Alexander Tyshkovskiy
- Division of Genetics, Department of MedicineBrigham and Women's Hospital, Harvard Medical SchoolBostonMassachusettsUSA,Belozersky Institute of Physico‐Chemical BiologyMoscow State UniversityMoscowRussia
| | - Vadim N. Gladyshev
- Division of Genetics, Department of MedicineBrigham and Women's Hospital, Harvard Medical SchoolBostonMassachusettsUSA
| | - Collin Y. Ewald
- Department of Health Sciences and Technology, Laboratory of Extracellular Matrix RegenerationInstitute of Translational Medicine, ETH ZürichSchwerzenbachSwitzerland
| | - João Pedro de Magalhães
- Integrative Genomics of Ageing GroupInstitute of Ageing and Chronic Disease, University of LiverpoolLiverpoolUK,Present address:
Institute of Inflammation and AgeingUniversity of Birmingham, Queen Elizabeth HospitalBirminghamUK
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23
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Carballo GM, Vázquez KG, García-González LA, Rio GD, Brizuela CA. Embedded-AMP: A Multi-Thread Computational Method for the Systematic Identification of Antimicrobial Peptides Embedded in Proteome Sequences. Antibiotics (Basel) 2023; 12:antibiotics12010139. [PMID: 36671338 PMCID: PMC9854971 DOI: 10.3390/antibiotics12010139] [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: 10/26/2022] [Revised: 01/03/2023] [Accepted: 01/05/2023] [Indexed: 01/12/2023] Open
Abstract
Antimicrobial peptides (AMPs) have gained the attention of the research community for being an alternative to conventional antimicrobials to fight antibiotic resistance and for displaying other pharmacologically relevant activities, such as cell penetration, autophagy induction, immunomodulation, among others. The identification of AMPs had been accomplished by combining computational and experimental approaches and have been mostly restricted to self-contained peptides despite accumulated evidence indicating AMPs may be found embedded within proteins, the functions of which are not necessarily associated with antimicrobials. To address this limitation, we propose a machine-learning (ML)-based pipeline to identify AMPs that are embedded in proteomes. Our method performs an in-silico digestion of every protein in the proteome to generate unique k-mers of different lengths, computes a set of molecular descriptors for each k-mer, and performs an antimicrobial activity prediction. To show the efficiency of the method we used the shrimp proteome, and the pipeline analyzed all k-mers between 10 and 60 amino acids in length to predict all AMPs in less than 20 min. As an application example we predicted AMPs in different rodents (common cuy, common rat, and naked mole rat) with different reported longevities and found a relation between species longevity and the number of predicted AMPs. The analysis shows as the longevity of the species is higher, the number of predicted AMPs is also higher. The pipeline is available as a web service.
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Affiliation(s)
| | - Karen Guerrero Vázquez
- Computer Science Department, CICESE Research Center, Ensenada 22860, Mexico
- School of Mathematical & Statistical Sciences, University of Galway, H91 TK33 Galway, Ireland
| | | | - Gabriel Del Rio
- Department of Biochemistry and Structural Biology, Instituto de Fisiologia Celular, UNAM, Mexico City 04510, Mexico
- Correspondence: (G.D.R.); (C.A.B.)
| | - Carlos A. Brizuela
- Computer Science Department, CICESE Research Center, Ensenada 22860, Mexico
- Correspondence: (G.D.R.); (C.A.B.)
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24
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Chen XQ, Shen T, Fang SJ, Sun XM, Li GY, Li YF. Protein homeostasis in aging and cancer. Front Cell Dev Biol 2023; 11:1143532. [PMID: 36875752 PMCID: PMC9978402 DOI: 10.3389/fcell.2023.1143532] [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: 01/13/2023] [Accepted: 02/09/2023] [Indexed: 02/18/2023] Open
Abstract
Aging is a major risk factor for cancer development. As dysfunction in protein homeostasis, or proteostasis, is a universal hallmark of both the aging process and cancer, a comprehensive understanding of the proteostasis system and its roles in aging and cancer will shed new light on how we can improve health and quality of life for older individuals. In this review, we summarize the regulatory mechanisms of proteostasis and discuss the relationship between proteostasis and aging and age-related diseases, including cancer. Furthermore, we highlight the clinical application value of proteostasis maintenance in delaying the aging process and promoting long-term health.
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Affiliation(s)
- Xiao-Qiong Chen
- Colorectal Surgery, Third Affiliated Hospital of Kunming Medical University, Tumor Hospital of Yunnan Province, Kunming, China
| | - Tao Shen
- Colorectal Surgery, Third Affiliated Hospital of Kunming Medical University, Tumor Hospital of Yunnan Province, Kunming, China
| | - Shao-Jun Fang
- Colorectal Surgery, Third Affiliated Hospital of Kunming Medical University, Tumor Hospital of Yunnan Province, Kunming, China
| | - Xiao-Min Sun
- Colorectal Surgery, Third Affiliated Hospital of Kunming Medical University, Tumor Hospital of Yunnan Province, Kunming, China
| | - Guo-Yu Li
- Colorectal Surgery, Third Affiliated Hospital of Kunming Medical University, Tumor Hospital of Yunnan Province, Kunming, China
| | - Yun-Feng Li
- Colorectal Surgery, Third Affiliated Hospital of Kunming Medical University, Tumor Hospital of Yunnan Province, Kunming, China
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25
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Li M, An H, Wang W, Wei D. Biomolecular Markers of Brain Aging. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2023; 1419:111-126. [PMID: 37418210 DOI: 10.1007/978-981-99-1627-6_9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 07/08/2023]
Abstract
Characterized by the gradual loss of physiological integrity, impaired function, and increased susceptibility to death, aging is considered the primary risk factor for major human diseases, such as cancer, diabetes, cardiovascular disorders, and neurodegenerative diseases. The time-dependent accumulation of cellular damage is widely considered the general cause of aging. While the mechanism of normal aging is still unresolved, researchers have identified different markers of aging, including genomic instability, telomere attrition, epigenetic alterations, loss of proteostasis, deregulated nutrient-sensing, mitochondrial dysfunction, cellular senescence, stem cell exhaustion, and altered intercellular communication. Theories of aging can be divided into two categories: (1) aging is a genetically programmed process, and (2) aging is a random process caused by gradual damage to the organism over time as a result of its vital activities. Aging affects the entire human body, and aging of the brain is undoubtedly different from all other organs, as neurons are highly differentiated postmitotic cells, and the lifespan of most neurons in the postnatal period is equal to the lifespan of the brain. In this chapter, we discuss the conserved mechanisms of aging that may underlie the changes observed in the aging brain, with a focus on mitochondrial function and oxidative stress, autophagy and protein turnover, insulin/IGF signaling, target of rapamycin (TOR) signaling, and sirtuin function.
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Affiliation(s)
- Min Li
- State Key Laboratory of Cognitive Neuroscience and Learning, Faculty of Psychology, Beijing Normal University, Beijing, China
- Beijing Aging Brain Rejuvenation Initiative (BABRI) Centre, Beijing Normal University, Beijing, China
| | - Haiting An
- Beijing Aging Brain Rejuvenation Initiative (BABRI) Centre, Beijing Normal University, Beijing, China
- Beijing Neurosurgical Institute, Beijing Tian Tan Hospital, Capital Medical University, Beijing, China
| | - Wenxiao Wang
- Beijing Aging Brain Rejuvenation Initiative (BABRI) Centre, Beijing Normal University, Beijing, China
- School of Systems Science, Beijing Normal University, Beijing, China
| | - Dongfeng Wei
- Beijing Aging Brain Rejuvenation Initiative (BABRI) Centre, Beijing Normal University, Beijing, China
- Institute of Basic Research in Clinical Medicine, China Academy of Chinese Medical Sciences, Beijing, China
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26
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Mitochondrial function and nutrient sensing pathways in ageing: enhancing longevity through dietary interventions. Biogerontology 2022; 23:657-680. [PMID: 35842501 DOI: 10.1007/s10522-022-09978-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2022] [Accepted: 06/30/2022] [Indexed: 12/13/2022]
Abstract
Ageing is accompanied by alterations in several biochemical processes, highly influenced by its environment. It is controlled by the interactions at various levels of biological hierarchy. To maintain homeostasis, a number of nutrient sensors respond to the nutritional status of the cell and control its energy metabolism. Mitochondrial physiology is influenced by the energy status of the cell. The alterations in mitochondrial physiology and the network of nutrient sensors result in mitochondrial damage leading to age related metabolic degeneration and diseases. Calorie restriction (CR) has proved to be as the most successful intervention to achieve the goal of longevity and healthspan. CR elicits a hormetic response and regulates metabolism by modulating these networks. In this review, the authors summarize the interdependent relationship between mitochondrial physiology and nutrient sensors during the ageing process and their role in regulating metabolism.
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27
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Gessler NN, Ivanova NO, Kokoreva AS, Klein OI, Isakova EP, Deryabina YI. The Physiological Adaptation Features of the Poly-Extremophilic Yeast Yarrowia lipolytica W29 During Long-Term Cultivation. APPL BIOCHEM MICRO+ 2022. [DOI: 10.1134/s0003683822060047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/05/2022]
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28
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Gonçalves RSDSA, Maciel ÁCC, Rolland Y, Vellas B, de Souto Barreto P. Frailty biomarkers under the perspective of geroscience: A narrative review. Ageing Res Rev 2022; 81:101737. [PMID: 36162706 DOI: 10.1016/j.arr.2022.101737] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2022] [Revised: 09/20/2022] [Accepted: 09/21/2022] [Indexed: 01/31/2023]
Abstract
Cellular and molecular aging biomarkers might contribute to identify at-risk individuals for frailty before overt clinical manifestations appear. Although studies on the associations of aging biomarkers and frailty exist, no investigation has gathered this information using a structured framework for identifying aging biomarkers; as a result, the evidence on frailty and aging biomarkers is diffuse and incomplete. Therefore, this narrative review aimed to gather information on the associations of the hallmarks of aging and frailty under the perspective of geroscience. The literature on human studies on this topic is sparse and mainly composed of cross-sectional investigations performed in small study samples. The main putative aging biomarkers associated to frailty were: mitochondrial DNA copy number (genomic instability and mitochondrial dysfunction), telomere length (telomere attrition), global DNA methylation (epigenetic alterations), Hsp70 and Hsp72 (loss of proteostasis), IGF-1 and SIRT1 (deregulated nutrient-sensing), GDF-15 (mitochondrial dysfunction, cellular senescence and altered intercellular communication), CD4 + and CD8 + cell percentages (cellular senescence), circulating osteogenic progenitor (COP) cells (stem cell exhaustion), and IL-6, CRP and TNF-alpha (altered intercellular communication). IGF-1, SIRT1, GDF-15, IL-6, CRP and TNF-alpha presented more evidence among these biomarkers, highlighting the importance of inflammation and nutrient sensing on frailty. Further longitudinal studies investigating biomarkers across the hallmarks of aging would provide valuable information on this topic.
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Affiliation(s)
| | | | - Yves Rolland
- Gerontopole of Toulouse, Institute of Aging, Toulouse University Hospital (CHU Toulouse), Toulouse, France; CERPOP, Inserm 1295, Université de Toulouse, UPS, Toulouse, France.
| | - Bruno Vellas
- Gerontopole of Toulouse, Institute of Aging, Toulouse University Hospital (CHU Toulouse), Toulouse, France; CERPOP, Inserm 1295, Université de Toulouse, UPS, Toulouse, France.
| | - Philipe de Souto Barreto
- Gerontopole of Toulouse, Institute of Aging, Toulouse University Hospital (CHU Toulouse), Toulouse, France; CERPOP, Inserm 1295, Université de Toulouse, UPS, Toulouse, France.
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29
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Machihara K, Kageyama S, Oki S, Makino H, Sasaki M, Iwahashi H, Namba T. Lotus germ extract rejuvenates aging fibroblasts via restoration of disrupted proteostasis by the induction of autophagy. Aging (Albany NY) 2022; 14:7662-7691. [PMID: 36170016 PMCID: PMC9596218 DOI: 10.18632/aging.204303] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Accepted: 09/05/2022] [Indexed: 01/18/2023]
Abstract
Cell aging attenuates cellular functions, resulting in time-dependent disruption of cellular homeostasis, which maintains the functions of proteins and organelles. Mitochondria are important organelles responsible for cellular energy production and various metabolic processes, and their dysfunction is strongly related to the progression of cellular aging. Here we demonstrate that disruption of proteostasis attenuates mitochondrial function before the induction of DNA damage signaling by proliferative and replicative cellular aging. We found that lotus (Nelumbo nucifera Gaertn.) germ extract clears abnormal proteins and agglutinates via autophagy-mediated restoration of mitochondrial function and cellular aging phenotypes. Pharmacological analyses revealed that DAPK1 expression was suppressed in aging cells, and lotus germ extract upregulated DAPK1 expression by stimulating the acetylation of histones and then induced autophagy by activating the DAPK1-Beclin1 signaling pathway. Furthermore, treatment of aging fibroblasts with lotus germ extract stimulated collagen production and increased contractile ability in three-dimensional cell culture. Thus, time-dependent accumulation of abnormal proteins and agglutinates suppressed mitochondrial function in cells in the early stage of aging, and reactivation of mitochondrial function by restoring proteostasis rejuvenated aging cells. Lotus germ extract rejuvenates aging fibroblasts via the DAPK1-Beclin1 pathway-induced autophagy to clear abnormal proteins and agglutinates.
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Affiliation(s)
- Kayo Machihara
- Research and Education Faculty, Multidisciplinary Science Cluster, Interdisciplinary Science Unit, Kochi University, Kochi 783-8505, Japan
| | - Sou Kageyama
- Department of Marine Resource Science, Faculty of Agriculture and Marine Science, Kochi University, Kochi 783-8502, Japan
| | - Shoma Oki
- Department of Marine Resource Science, Faculty of Agriculture and Marine Science, Kochi University, Kochi 783-8502, Japan
| | - Hiroki Makino
- Department of Marine Resource Science, Faculty of Agriculture and Marine Science, Kochi University, Kochi 783-8502, Japan
| | - Masamichi Sasaki
- Research Center, Maruzen Pharmaceuticals Co. Ltd., Fukuyama City, Hiroshima 729-3102, Japan
| | - Hiroyasu Iwahashi
- Research Center, Maruzen Pharmaceuticals Co. Ltd., Fukuyama City, Hiroshima 729-3102, Japan
| | - Takushi Namba
- Research and Education Faculty, Multidisciplinary Science Cluster, Interdisciplinary Science Unit, Kochi University, Kochi 783-8505, Japan.,Department of Marine Resource Science, Faculty of Agriculture and Marine Science, Kochi University, Kochi 783-8502, Japan
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Grp94 Inhibitor HCP1 Inhibits Human Dermal Fibroblast Senescence. Genes (Basel) 2022; 13:genes13091651. [PMID: 36140818 PMCID: PMC9498348 DOI: 10.3390/genes13091651] [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: 08/12/2022] [Revised: 09/07/2022] [Accepted: 09/12/2022] [Indexed: 11/16/2022] Open
Abstract
Researchers are paying more and more attention to aging, especially skin aging. Therefore, it is urgent to find an effective way to inhibit aging. Here, we report a small chemical molecule, HCP1, that inhibited the senescence of human dermal fibroblasts (HDFs). First, we performed morphological experiment and found that HCP1-treated HDFs were no longer elongated and flat compared to DMSO-treated groups. Next, we found that the number of β-gal positive cells decreased compared to DMSO-treated groups. Through flow cytometry, western blot, and immunofluorescence, we found that HCP1 could inhibit the senescence of HDFs. In the study of the mechanism, we found that HCP1 could regulate the AMPK/mTOR signal pathway through glucose-regulated protein 94 (Grp94). In addition, we found that HCP1 could promote the interaction between Grp94 and lysosomes, which led to an increase in the activity of lysosomes and inhibited the senescence of HDFs. At the same time, we found that HCP1 decreased the concentration of Ca2+ in mitochondria, inhibiting the senescence of HCP1. Therefore, we propose that HCP1 is a potential aging-inhibiting compound, and provide a new idea for the development of senescence-inhibiting drugs.
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Lorusso B, Cerasoli G, Falco A, Frati C, Graiani G, Madeddu D, Nogara A, Corradini E, Roti G, Cerretani E, Gherli A, Caputi M, Gnetti L, Pilato FP, Quaini F, Lagrasta C. Β-blockers activate autophagy on infantile hemangioma-derived endothelial cells in vitro. Vascul Pharmacol 2022; 146:107110. [PMID: 36103993 DOI: 10.1016/j.vph.2022.107110] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Revised: 08/29/2022] [Accepted: 09/07/2022] [Indexed: 01/18/2023]
Abstract
The mechanisms underlying the success of propranolol in the treatment of infantile hemangioma (IH) remain elusive and do not fully explain the rapid regression of hemangiomatous lesions following drug administration. As autophagy is critically implicated in vascular homeostasis, we determined whether β-blockers trigger the autophagic flux on infantile hemangioma-derived endothelial cells (Hem-ECs) in vitro. MATERIAL AND METHODS Fresh tissue specimens, surgically removed for therapeutic purpose to seven children affected by proliferative IH, were subjected to enzymatic digestion. Cells were sorted with anti-human CD31 immunolabeled magnetic microbeads. Following phenotypic characterization, expanded Hem-ECs, at P2 to P6, were exposed to different concentrations (50 μM to 150 μM) of propranolol, atenolol or metoprolol alone and in combination with the autophagy inhibitor Bafilomycin A1. Rapamycin, a potent inducer of autophagy, was also used as control. Autophagy was assessed by Lysotracker Red staining, western blot analysis of LC3BII/LC3BI and p62, and morphologically by transmission electron microscopy. RESULTS Hem-ECs treated with either propranolol, atenolol or metoprolol displayed positive LysoTracker Red staining. Increased LC3BII/LC3BI ratio, as well as p62 modulation, were documented in β-blockers treated Hem-ECs. Abundant autophagic vacuoles and multilamellar bodies characterized the cytoplasmic ultrastructural features of autophagy in cultured Hem-ECs exposed in vitro to β-blocking agents. Importantly, similar biochemical and morphologic evidence of autophagy were observed following rapamycin while Bafilomycin A1 significantly prevented the autophagic flux promoted by β-blockers in Hem-ECs. CONCLUSION Our data suggest that autophagy may be ascribed among the mechanisms of action of β-blockers suggesting new mechanistic insights on the potential therapeutic application of this class of drugs in pathologic conditions involving uncontrolled angiogenesis.
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Affiliation(s)
- Bruno Lorusso
- Department of Medicine and Surgery, University of Parma, Parma, Italy
| | - Giuseppe Cerasoli
- Pediatric Surgery, Ospedale dei Bambini of Parma, University Hospital of Parma, Parma, Italy
| | - Angela Falco
- Department of Medicine and Surgery, University of Parma, Parma, Italy
| | - Caterina Frati
- Department of Medicine and Surgery, University of Parma, Parma, Italy
| | - Gallia Graiani
- Dental School, University of Parma Medical School, Parma, Italy
| | - Denise Madeddu
- Department of Medicine and Surgery, University of Parma, Parma, Italy
| | - Antonella Nogara
- Department of Medicine and Surgery, University of Parma, Parma, Italy
| | - Emilia Corradini
- Department of Medicine and Surgery, University of Parma, Parma, Italy
| | - Giovanni Roti
- Department of Medicine and Surgery, University of Parma, Parma, Italy
| | - Elisa Cerretani
- Department of Medicine and Surgery, University of Parma, Parma, Italy; Department of Medical Science, University of Ferrara, Ferrara, Italy
| | - Andrea Gherli
- Department of Medicine and Surgery, University of Parma, Parma, Italy
| | | | - Letizia Gnetti
- Pathology Section, University Hospital of Parma, Parma, Italy
| | | | - Federico Quaini
- Department of Medicine and Surgery, University of Parma, Parma, Italy
| | - Costanza Lagrasta
- Department of Medicine and Surgery, University of Parma, Parma, Italy.
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Casey C, Seidman M. Healthy Aging: Strategies to Slow the Process. Otolaryngol Clin North Am 2022; 55:899-907. [PMID: 36088159 DOI: 10.1016/j.otc.2022.06.016] [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] [Indexed: 11/17/2022]
Abstract
Aging, an ever-present process, is a part of every living organism's life cycle. Gerontology, the study of the biological, social, psychological aspects of aging, is a field that has been around since the 1930s, when the human inquiry into aging began to emerge. Aging can be characterized by the external changes, wrinkles, graying of the hair, among other changes, and lesser-seen but still important changes, presbycusis, arteriosclerosis, osteoporosis, cognitive decline, sarcopenia, and more. There is a strong drive to uncover as much as we can about the process of aging and the ways to delay its progression.
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Affiliation(s)
- Caroline Casey
- University of Central Florida College of Medicine, Orlando, FL, USA
| | - Michael Seidman
- Advent Health (Celebration and South Campuses); University of Central Florida; University of South Florida; AdventHealth Medical Group-Otolaryngology-Head & Neck Surgery, 410 Celebration Place, Suite 305, Celebration, FL 34747, USA.
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33
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Cassidy LD, Narita M. Autophagy at the intersection of aging, senescence, and cancer. Mol Oncol 2022; 16:3259-3275. [PMID: 35689420 PMCID: PMC9490138 DOI: 10.1002/1878-0261.13269] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Revised: 05/24/2022] [Accepted: 06/09/2022] [Indexed: 01/18/2023] Open
Abstract
Autophagy is an evolutionarily conserved cellular process in which macromolecules undergo lysosomal degradation. It fulfills essential roles in quality controlling cellular constituents and in energy homeostasis. Basal autophagy is also widely accepted to provide a protective role in aging and aging-related disorders, and its decline with age might precipitate the onset of a variety of diseases. In this review, we discuss the role of basal autophagy in maintaining homeostasis, in part through the maintenance of stem cell populations and the prevention of cellular senescence. We also consider how stress-induced senescence, for example, during oncogene activation and in premalignant disease, might rely on autophagy, and the possibility that the age-associated decline in autophagy might promote tumour development through a variety of mechanisms. Ultimately, evidence suggests that autophagy is required for malignant cancer progression in a number of settings. Thus, autophagy appears to be tumour-suppressive during the early stages of tumorigenesis and tumour-promoting at later stages.
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Affiliation(s)
- Liam D. Cassidy
- Cancer Research UK Cambridge InstituteUniversity of CambridgeUK
| | - Masashi Narita
- Cancer Research UK Cambridge InstituteUniversity of CambridgeUK
- Tokyo Tech World Research Hub Initiative (WRHI), Institute of Innovative ResearchTokyo Institute of TechnologyYokohamaJapan
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34
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Lippi A, Krisko A. CORE at the boundary of stress resistance and longevity. Int J Biochem Cell Biol 2022; 151:106277. [PMID: 35995386 DOI: 10.1016/j.biocel.2022.106277] [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: 06/09/2022] [Revised: 08/11/2022] [Accepted: 08/12/2022] [Indexed: 10/15/2022]
Abstract
As chronological age of an organism increases, a number of errors accumulate at different levels of biological organization. The tendency of errors to accumulate and cause downstream problems in maintenance of cellular homeostasis is met by numerous protection and repair mechanisms. Maintenance of proteins is vital for cell viability and longevity, thus cellular proteostasis is supported by chaperone networks in every cellular compartment, as well as other pathways ensuring timely chaperone expression and activity. In this minireview, we summarize the progress related to the cross-organelle stress response (CORE), in charge of orchestrating a cell-wide response to compartmentalized proteotoxicity. The proposed CORE pathway encompasses activation of protein conformational maintenance machineries, antioxidant enzymes and metabolic changes simultaneously in the cytosol, mitochondria and the ER. We discuss its importance in cell survival and longevity as well as its potential to serve as a pharmaceutical target in age-related diseases.
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Affiliation(s)
- Alice Lippi
- Department of Experimental Neurodegeneration, University Medical Center Goettingen, Waldweg 33, 37075 Goettingen, Germany
| | - Anita Krisko
- Department of Experimental Neurodegeneration, University Medical Center Goettingen, Waldweg 33, 37075 Goettingen, Germany.
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35
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Gkaliagkousi E, Lazaridis A, Dogan S, Fraenkel E, Tuna BG, Mozos I, Vukicevic M, Yalcin O, Gopcevic K. Theories and Molecular Basis of Vascular Aging: A Review of the Literature from VascAgeNet Group on Pathophysiological Mechanisms of Vascular Aging. Int J Mol Sci 2022; 23:ijms23158672. [PMID: 35955804 PMCID: PMC9368987 DOI: 10.3390/ijms23158672] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2022] [Revised: 07/25/2022] [Accepted: 07/29/2022] [Indexed: 11/29/2022] Open
Abstract
Vascular aging, characterized by structural and functional alterations of the vascular wall, is a hallmark of aging and is tightly related to the development of cardiovascular mortality and age-associated vascular pathologies. Over the last years, extensive and ongoing research has highlighted several sophisticated molecular mechanisms that are involved in the pathophysiology of vascular aging. A more thorough understanding of these mechanisms could help to provide a new insight into the complex biology of this non-reversible vascular process and direct future interventions to improve longevity. In this review, we discuss the role of the most important molecular pathways involved in vascular ageing including oxidative stress, vascular inflammation, extracellular matrix metalloproteinases activity, epigenetic regulation, telomere shortening, senescence and autophagy.
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Affiliation(s)
- Eugenia Gkaliagkousi
- 3rd Department of Internal Medicine, Papageorgiou Hospital, Faculty of Medicine, Aristotle University of Thessaloniki, 56429 Thessaloniki, Greece
- Correspondence: (E.G.); (K.G.)
| | - Antonios Lazaridis
- 3rd Department of Internal Medicine, Papageorgiou Hospital, Faculty of Medicine, Aristotle University of Thessaloniki, 56429 Thessaloniki, Greece
| | - Soner Dogan
- Department of Medical Biology, School of Medicine, Yeditepe University, 34755 Istanbul, Turkey
| | - Emil Fraenkel
- 1st Department of Internal Medicine, University Hospital, Pavol Jozef Šafárik University of Košice, Trieda SNP 1, 04066 Košice, Slovakia
| | - Bilge Guvenc Tuna
- Department of Biophysics, School of Medicine, Yeditepe University, 34755 Istanbul, Turkey
| | - Ioana Mozos
- Department of Functional Sciences-Pathophysiology, Center for Translational Research and Systems Medicine, “Victor Babes” University of Medicine and Pharmacy, 300173 Timisoara, Romania
| | - Milica Vukicevic
- Cardiac Surgery Clinic, Clinical Center of Serbia, 11000 Belgrade, Serbia
| | - Ozlem Yalcin
- Department of Physiology, School of Medicine, Koc University, 34450 Istanbul, Turkey
| | - Kristina Gopcevic
- Laboratory for Analytics of Biomolecules, Department of Chemistry in Medicine, Faculty of Medicine, 11000 Belgrade, Serbia
- Correspondence: (E.G.); (K.G.)
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Hernández-Camacho JD, Fernández-Ayala DJM, Vicente-García C, Navas-Enamorado I, López-Lluch G, Oliva C, Artuch R, Garcia-Villoria J, Ribes A, de Cabo R, Carvajal JJ, Navas P. Calorie Restriction Rescues Mitochondrial Dysfunction in Adck2-Deficient Skeletal Muscle. Front Physiol 2022; 13:898792. [PMID: 35936917 PMCID: PMC9351392 DOI: 10.3389/fphys.2022.898792] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Accepted: 06/22/2022] [Indexed: 11/20/2022] Open
Abstract
ADCK2 haploinsufficiency-mediated mitochondrial coenzyme Q deficiency in skeletal muscle causes mitochondrial myopathy associated with defects in beta-oxidation of fatty acids, aged-matched metabolic reprogramming, and defective physical performance. Calorie restriction has proven to increase lifespan and delay the onset of chronic diseases associated to aging. To study the possible treatment by food deprivation, heterozygous Adck2 knockout mice were fed under 40% calorie restriction (CR) and the phenotype was followed for 7 months. The overall glucose and fatty acids metabolism in muscle was restored in mutant mice to WT levels after CR. CR modulated the skeletal muscle metabolic profile of mutant mice, partially rescuing the profile of WT animals. The analysis of mitochondria isolated from skeletal muscle demonstrated that CR increased both CoQ levels and oxygen consumption rate (OCR) based on both glucose and fatty acids substrates, along with mitochondrial mass. The elevated aerobic metabolism fits with an increase of type IIa fibers, and a reduction of type IIx in mutant muscles, reaching WT levels. To further explore the effect of CR over muscle stem cells, satellite cells were isolated and induced to differentiate in culture media containing serum from animals in either ad libitum or CR diets for 72 h. Mutant cells showed slower differentiation alongside with decreased oxygen consumption. In vitro differentiation of mutant cells was increased under CR serum reaching levels of WT isolated cells, recovering respiration measured by OCR and partially beta-oxidation of fatty acids. The overall increase of skeletal muscle bioenergetics following CR intervention is paralleled with a physical activity improvement, with some increases in two and four limbs strength tests, and weights strength test. Running wheel activity was also partially improved in mutant mice under CR. These results demonstrate that CR intervention, which has been shown to improve age-associated physical and metabolic decline in WT mice, also recovers the defective aerobic metabolism and differentiation of skeletal muscle in mice caused by ADCK2 haploinsufficiency.
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Affiliation(s)
- Juan Diego Hernández-Camacho
- Centro Andaluz de Biología del Desarrollo, Universidad Pablo de Olavide-CSIC-JA, Sevilla, Spain
- CIBERER, Instituto de Salud Carlos III, Madrid, Spain
| | - Daniel J. M. Fernández-Ayala
- Centro Andaluz de Biología del Desarrollo, Universidad Pablo de Olavide-CSIC-JA, Sevilla, Spain
- CIBERER, Instituto de Salud Carlos III, Madrid, Spain
| | - Cristina Vicente-García
- Centro Andaluz de Biología del Desarrollo, Universidad Pablo de Olavide-CSIC-JA, Sevilla, Spain
| | - Ignacio Navas-Enamorado
- Centro Andaluz de Biología del Desarrollo, Universidad Pablo de Olavide-CSIC-JA, Sevilla, Spain
- Atsena Therapeutics, Durham, NC, United States
| | - Guillermo López-Lluch
- Centro Andaluz de Biología del Desarrollo, Universidad Pablo de Olavide-CSIC-JA, Sevilla, Spain
- CIBERER, Instituto de Salud Carlos III, Madrid, Spain
| | - Clara Oliva
- CIBERER, Instituto de Salud Carlos III, Madrid, Spain
- Clinical Biochemistry Department, Institut de Recerca Sant Joan de Déu, Barcelona, Spain
| | - Rafael Artuch
- CIBERER, Instituto de Salud Carlos III, Madrid, Spain
- Clinical Biochemistry Department, Institut de Recerca Sant Joan de Déu, Barcelona, Spain
| | - Judith Garcia-Villoria
- CIBERER, Instituto de Salud Carlos III, Madrid, Spain
- Inborn Errors of Metabolism Section, Biochemistry and Molecular Genetics Department, Hospital Clinic, Barcelona, Spain
| | - Antonia Ribes
- CIBERER, Instituto de Salud Carlos III, Madrid, Spain
- Inborn Errors of Metabolism Section, Biochemistry and Molecular Genetics Department, Hospital Clinic, Barcelona, Spain
| | - Rafael de Cabo
- Translational Gerontology Branch, National Institute on Aging Intramural Research Program, National Institutes of Health, Baltimore, MD, United States
| | - Jaime J. Carvajal
- Centro Andaluz de Biología del Desarrollo, Universidad Pablo de Olavide-CSIC-JA, Sevilla, Spain
| | - Plácido Navas
- Centro Andaluz de Biología del Desarrollo, Universidad Pablo de Olavide-CSIC-JA, Sevilla, Spain
- CIBERER, Instituto de Salud Carlos III, Madrid, Spain
- *Correspondence: Plácido Navas,
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37
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Oxidative stress, aging, antioxidant supplementation and their impact on human health: An overview. Mech Ageing Dev 2022; 206:111707. [PMID: 35839856 DOI: 10.1016/j.mad.2022.111707] [Citation(s) in RCA: 34] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2022] [Revised: 07/06/2022] [Accepted: 07/10/2022] [Indexed: 12/12/2022]
Abstract
Aging is characterized by a progressive loss of tissue and organ function due to genetic and environmental factors, nutrition, and lifestyle. Oxidative stress is one the most important mechanisms of cellular senescence and increased frailty, resulting in several age-linked, noncommunicable diseases. Contributing events include genomic instability, telomere shortening, epigenetic mechanisms, reduced proteome homeostasis, altered stem-cell function, defective intercellular communication, progressive deregulation of nutrient sensing, mitochondrial dysfunction, and metabolic unbalance. These complex events and their interplay can be modulated by dietary habits and the ageing process, acting as potential measures of primary and secondary prevention. Promising nutritional approaches include the Mediterranean diet, the intake of dietary antioxidants, and the restriction of caloric intake. A comprehensive understanding of the ageing processes should promote new biomarkers of risk or diagnosis, but also beneficial treatments oriented to increase lifespan.
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38
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Long T, Tang Y, He YN, He CL, Chen X, Guo MS, Wu JM, Yu L, Yu CL, Law BYK, Qin DL, Wu AG, Zhou XG. Citri Reticulatae Semen extract promotes healthy aging and neuroprotection via autophagy induction in Caenorhabditis elegans. J Gerontol A Biol Sci Med Sci 2022; 77:2186-2194. [PMID: 35788666 DOI: 10.1093/gerona/glac136] [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: 12/30/2021] [Indexed: 01/18/2023] Open
Abstract
Nutrition intervention has emerged as a potential strategy to delay aging and promote healthy longevity. Citri Reticulatae Semen (CRS) has diverse beneficial effects and has been used for thousands of years to treat pain. However, the health benefits of CRS in prolonging healthspan and improving aging-related diseases and the exact mechanisms remain poorly characterized. In this study, Caenorhabditis elegans (C. elegans) was used as a model organism to study the anti-aging and healthspan promoting activities of 75% ethanol extract of CRS (CRSE). The results showed that treatment with CRSE at 1000 μg/mL significantly extended the lifespan of worms by 18.93% without detriment to healthspan and fitness, as evidenced by the delayed aging-related phenotypes and increased body length and width and reproductive output. In addition, CRSE treatment enhanced the ability of resistance under heat, oxidative, and pathogenic bacterial stress. Consistently, heat shock proteins and antioxidant enzyme-related and pathogenesis-related (PR) genes were up-regulated by CRSE treatment. Furthermore, CRSE supplementation also improved α-synuclein, 6-OHDA, and polyQ40-induced pathologies in transgenic C. elegans models of Parkinson's disease (PD) and Huntington's disease (HD). The mechanistic study demonstrated that CRSE induced autophagy in worms, while the RNAi knockdown of 4 key autophagy-related genes including lgg-1, bec-1, vps-34, and unc-51 remarkably abrogated the beneficial effects of CRSE on the extending of lifespan and healthspan and neuroprotection, demonstrating that CRSE exerts beneficial effects via autophagy induction in worms. Together, our current findings provide new insights into the practical application of CRS for the prevention of aging and aging-related diseases.
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Affiliation(s)
- Tao Long
- Sichuan Key Medical Laboratory of New Drug Discovery and Drugability Evaluation, Luzhou Key Laboratory of Activity Screening and Druggability Evaluation for Chinese Materia Medica, Key Laboratory of Medical Electrophysiology of Ministry of Education, School of Pharmacy, Southwest Medical University, Luzhou, Sichuan, China.,Central Nervous System Drug Key Laboratory of Sichuan Province, Luzhou, Sichuan, China
| | - Yong Tang
- Sichuan Key Medical Laboratory of New Drug Discovery and Drugability Evaluation, Luzhou Key Laboratory of Activity Screening and Druggability Evaluation for Chinese Materia Medica, Key Laboratory of Medical Electrophysiology of Ministry of Education, School of Pharmacy, Southwest Medical University, Luzhou, Sichuan, China.,State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Macau, China
| | - Yan-Ni He
- Sichuan Key Medical Laboratory of New Drug Discovery and Drugability Evaluation, Luzhou Key Laboratory of Activity Screening and Druggability Evaluation for Chinese Materia Medica, Key Laboratory of Medical Electrophysiology of Ministry of Education, School of Pharmacy, Southwest Medical University, Luzhou, Sichuan, China.,Central Nervous System Drug Key Laboratory of Sichuan Province, Luzhou, Sichuan, China
| | - Chang-Long He
- Sichuan Key Medical Laboratory of New Drug Discovery and Drugability Evaluation, Luzhou Key Laboratory of Activity Screening and Druggability Evaluation for Chinese Materia Medica, Key Laboratory of Medical Electrophysiology of Ministry of Education, School of Pharmacy, Southwest Medical University, Luzhou, Sichuan, China.,Central Nervous System Drug Key Laboratory of Sichuan Province, Luzhou, Sichuan, China
| | - Xue Chen
- Sichuan Key Medical Laboratory of New Drug Discovery and Drugability Evaluation, Luzhou Key Laboratory of Activity Screening and Druggability Evaluation for Chinese Materia Medica, Key Laboratory of Medical Electrophysiology of Ministry of Education, School of Pharmacy, Southwest Medical University, Luzhou, Sichuan, China.,Central Nervous System Drug Key Laboratory of Sichuan Province, Luzhou, Sichuan, China
| | - Min-Song Guo
- Sichuan Key Medical Laboratory of New Drug Discovery and Drugability Evaluation, Luzhou Key Laboratory of Activity Screening and Druggability Evaluation for Chinese Materia Medica, Key Laboratory of Medical Electrophysiology of Ministry of Education, School of Pharmacy, Southwest Medical University, Luzhou, Sichuan, China
| | - Jian-Ming Wu
- Sichuan Key Medical Laboratory of New Drug Discovery and Drugability Evaluation, Luzhou Key Laboratory of Activity Screening and Druggability Evaluation for Chinese Materia Medica, Key Laboratory of Medical Electrophysiology of Ministry of Education, School of Pharmacy, Southwest Medical University, Luzhou, Sichuan, China
| | - Lu Yu
- Sichuan Key Medical Laboratory of New Drug Discovery and Drugability Evaluation, Luzhou Key Laboratory of Activity Screening and Druggability Evaluation for Chinese Materia Medica, Key Laboratory of Medical Electrophysiology of Ministry of Education, School of Pharmacy, Southwest Medical University, Luzhou, Sichuan, China
| | - Chong-Lin Yu
- Sichuan Key Medical Laboratory of New Drug Discovery and Drugability Evaluation, Luzhou Key Laboratory of Activity Screening and Druggability Evaluation for Chinese Materia Medica, Key Laboratory of Medical Electrophysiology of Ministry of Education, School of Pharmacy, Southwest Medical University, Luzhou, Sichuan, China
| | - Betty Yuen-Kwan Law
- State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Macau, China
| | - Da-Lian Qin
- Sichuan Key Medical Laboratory of New Drug Discovery and Drugability Evaluation, Luzhou Key Laboratory of Activity Screening and Druggability Evaluation for Chinese Materia Medica, Key Laboratory of Medical Electrophysiology of Ministry of Education, School of Pharmacy, Southwest Medical University, Luzhou, Sichuan, China
| | - An-Guo Wu
- Sichuan Key Medical Laboratory of New Drug Discovery and Drugability Evaluation, Luzhou Key Laboratory of Activity Screening and Druggability Evaluation for Chinese Materia Medica, Key Laboratory of Medical Electrophysiology of Ministry of Education, School of Pharmacy, Southwest Medical University, Luzhou, Sichuan, China
| | - Xiao-Gang Zhou
- Sichuan Key Medical Laboratory of New Drug Discovery and Drugability Evaluation, Luzhou Key Laboratory of Activity Screening and Druggability Evaluation for Chinese Materia Medica, Key Laboratory of Medical Electrophysiology of Ministry of Education, School of Pharmacy, Southwest Medical University, Luzhou, Sichuan, China.,Central Nervous System Drug Key Laboratory of Sichuan Province, Luzhou, Sichuan, China
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Rahman MA, Ahmed KR, Rahman MDH, Parvez MAK, Lee IS, Kim B. Therapeutic Aspects and Molecular Targets of Autophagy to Control Pancreatic Cancer Management. Biomedicines 2022; 10:biomedicines10061459. [PMID: 35740481 PMCID: PMC9220066 DOI: 10.3390/biomedicines10061459] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2022] [Revised: 06/17/2022] [Accepted: 06/17/2022] [Indexed: 12/29/2022] Open
Abstract
Pancreatic cancer (PC) begins within the organ of the pancreas, which produces digestive enzymes, and is one of the formidable cancers for which appropriate treatment strategies are urgently needed. Autophagy occurs in the many chambers of PC tissue, including cancer cells, cancer-related fibroblasts, and immune cells, and can be fine-tuned by various promotive and suppressive signals. Consequently, the impacts of autophagy on pancreatic carcinogenesis and progression depend greatly on its stage and conditions. Autophagy inhibits the progress of preneoplastic damage during the initial phase. However, autophagy encourages tumor formation during the development phase. Several studies have reported that both a tumor-promoting and a tumor-suppressing function of autophagy in cancer that is likely cell-type dependent. However, autophagy is dispensable for pancreatic ductal adenocarcinoma (PDAC) growth, and clinical trials with autophagy inhibitors, either alone or in combination with other therapies, have had limited success. Autophagy’s dual mode of action makes it therapeutically challenging despite autophagy inhibitors providing increased longevity in medical studies, highlighting the need for a more rigorous review of current findings and more precise targeting strategies. Indeed, the role of autophagy in PC is complicated, and numerous factors must be considered when transitioning from bench to bedside. In this review, we summarize the evidence for the tumorigenic and protective role of autophagy in PC tumorigenesis and describe recent advances in the understanding of how autophagy may be regulated and controlled in PDAC.
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Affiliation(s)
- Md. Ataur Rahman
- Department of Pathology, College of Korean Medicine, Kyung Hee University, Hoegidong Dongdaemungu, Seoul 02447, Korea; (K.R.A.); (M.H.R.)
- Korean Medicine-Based Drug Repositioning Cancer Research Center, College of Korean Medicine, Kyung Hee University, Seoul 02447, Korea
- Global Biotechnology & Biomedical Research Network (GBBRN), Department of Biotechnology and Genetic Engineering, Faculty of Biological Sciences, Islamic University, Kushtia 7003, Bangladesh
- Correspondence: (M.A.R.); (B.K.)
| | - Kazi Rejvee Ahmed
- Department of Pathology, College of Korean Medicine, Kyung Hee University, Hoegidong Dongdaemungu, Seoul 02447, Korea; (K.R.A.); (M.H.R.)
| | - MD. Hasanur Rahman
- Department of Pathology, College of Korean Medicine, Kyung Hee University, Hoegidong Dongdaemungu, Seoul 02447, Korea; (K.R.A.); (M.H.R.)
| | | | - In-Seon Lee
- Acupuncture & Meridian Science Research Center, Kyung Hee University, Seoul 02447, Korea;
| | - Bonglee Kim
- Department of Pathology, College of Korean Medicine, Kyung Hee University, Hoegidong Dongdaemungu, Seoul 02447, Korea; (K.R.A.); (M.H.R.)
- Korean Medicine-Based Drug Repositioning Cancer Research Center, College of Korean Medicine, Kyung Hee University, Seoul 02447, Korea
- Correspondence: (M.A.R.); (B.K.)
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40
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Mechanisms underlying the effects of caloric restriction on hypertension. Biochem Pharmacol 2022; 200:115035. [DOI: 10.1016/j.bcp.2022.115035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2022] [Revised: 04/07/2022] [Accepted: 04/07/2022] [Indexed: 11/20/2022]
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41
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Doeppner TR, Coman C, Burdusel D, Ancuta DL, Brockmeier U, Pirici DN, Yaoyun K, Hermann DM, Popa-Wagner A. Long-term treatment with chloroquine increases lifespan in middle-aged male mice possibly via autophagy modulation, proteasome inhibition and glycogen metabolism. Aging (Albany NY) 2022; 14:4195-4210. [PMID: 35609021 PMCID: PMC9186778 DOI: 10.18632/aging.204069] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2022] [Accepted: 04/28/2022] [Indexed: 11/25/2022]
Abstract
Previous studies have shown that the polyamine spermidine increased the maximum life span in C. elegans and the median life span in mice. Since spermidine increases autophagy, we asked if treatment with chloroquine, an inhibitor of autophagy, would shorten the lifespan of mice. Recently, chloroquine has intensively been discussed as a treatment option for COVID-19 patients. To rule out unfavorable long-term effects on longevity, we examined the effect of chronic treatment with chloroquine given in the drinking water on the lifespan and organ pathology of male middle-aged NMRI mice. We report that, surprisingly, daily treatment with chloroquine extended the median life span by 11.4% and the maximum life span of the middle-aged male NMRI mice by 11.8%. Subsequent experiments show that the chloroquine-induced lifespan elevation is associated with dose-dependent increase in LC3B-II, a marker of autophagosomes, in the liver and heart that was confirmed by transmission electron microscopy. Quite intriguingly, chloroquine treatment was also associated with a decrease in glycogenolysis in the liver suggesting a compensatory mechanism to provide energy to the cell. Accumulation of autophagosomes was paralleled by an inhibition of proteasome-dependent proteolysis in the liver and the heart as well as with decreased serum levels of insulin growth factor binding protein-3 (IGFBP3), a protein associated with longevity. We propose that inhibition of proteasome activity in conjunction with an increased number of autophagosomes and decreased levels of IGFBP3 might play a central role in lifespan extension by chloroquine in male NMRI mice.
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Affiliation(s)
- Thorsten R Doeppner
- Department of Neurology, University Medical Center Göttingen, Göttingen 37075, Germany.,Research Institute for Health Sciences and Technologies (SABITA), Medipol University, Istanbul, Turkey.,Department of Anatomy and Cell Biology, Medical University of Varna, Varna, Bulgaria
| | - Cristin Coman
- Cantacuzino National Medico-Military Institute for Research and Development, Bucharest 050096, Romania
| | - Daiana Burdusel
- Department of Biochemistry, University of Medicine and Pharmacy Craiova, Craiova 200349, Romania
| | - Diana-Larisa Ancuta
- Cantacuzino National Medico-Military Institute for Research and Development, Bucharest 050096, Romania.,Faculty of Veterinary Medicine, University of Agronomic Sciences and Veterinary Medicine of Bucharest, Bucharest, Romania
| | - Ulf Brockmeier
- Vascular Neurology and Dementia, Department of Neurology, University of Medicine Essen, Essen 45147, Germany
| | - Daniel Nicolae Pirici
- Department of Biochemistry, University of Medicine and Pharmacy Craiova, Craiova 200349, Romania
| | - Kuang Yaoyun
- Department of Neurology, University Medical Center Göttingen, Göttingen 37075, Germany
| | - Dirk M Hermann
- Vascular Neurology and Dementia, Department of Neurology, University of Medicine Essen, Essen 45147, Germany
| | - Aurel Popa-Wagner
- Vascular Neurology and Dementia, Department of Neurology, University of Medicine Essen, Essen 45147, Germany.,Experimental Research Center for Normal and Pathological Aging, ARES, University of Medicine and Pharmacy Craiova, Craiova 200349, Romania
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42
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Ant phylogenomics reveals a natural selection hotspot preceding the origin of complex eusociality. Curr Biol 2022; 32:2942-2947.e4. [PMID: 35623348 DOI: 10.1016/j.cub.2022.05.001] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2021] [Revised: 03/09/2022] [Accepted: 05/02/2022] [Indexed: 12/30/2022]
Abstract
The evolution of eusociality has allowed ants to become one of the most conspicuous and ecologically dominant groups of organisms in the world. A large majority of the current ∼14,000 ant species belong to the formicoids,1 a clade of nine subfamilies that exhibit the most extreme forms of reproductive division of labor, large colony size,2 worker polymorphism,3 and extended queen longevity.4 The eight remaining non-formicoid subfamilies are less well studied, with few genomes having been sequenced so far and unclear phylogenetic relationships.5 By sequencing 65 genomes, we provide a robust phylogeny of the 17 ant subfamilies, retrieving high support to the controversial leptanillomorph clade (Leptanillinae and Martialinae) as the sister group to all other extant ants. Moreover, our genomic analyses revealed that the emergence of the formicoids was accompanied by an elevated number of positive selection events. Importantly, the top three gene functions under selection are linked to key features of complex eusociality, with histone acetylation being implicated in caste differentiation, gene silencing by RNA in worker sterility, and autophagy in longevity. These results show that the key pathways associated with eusociality have been under strong selection during the Cretaceous, suggesting that the molecular foundations of complex eusociality may have evolved rapidly in less than 20 Ma.
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Bohnert KA, Johnson AE. Branching Off: New Insight Into Lysosomes as Tubular Organelles. Front Cell Dev Biol 2022; 10:863922. [PMID: 35646899 PMCID: PMC9130654 DOI: 10.3389/fcell.2022.863922] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2022] [Accepted: 04/25/2022] [Indexed: 12/13/2022] Open
Abstract
Lysosomes are acidic, membrane-bound organelles that play essential roles in cellular quality control, metabolism, and signaling. The lysosomes of a cell are commonly depicted as vesicular organelles. Yet, lysosomes in fact show a high degree of ultrastructural heterogeneity. In some biological contexts, lysosome membranes naturally transform into tubular, non-vesicular morphologies. Though the purpose and regulation of tubular lysosomes has been historically understudied, emerging evidence suggests that tubular lysosomes may carry out unique activities, both degradative and non-degradative, that are critical to cell behavior, function, and viability. Here, we discuss recent advances in understanding the biological significance of tubular lysosomes in cellular physiology, and we highlight a growing number of examples that indicate the centrality of this special class of lysosomes to health and disease.
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Liu JK. Antiaging agents: safe interventions to slow aging and healthy life span extension. NATURAL PRODUCTS AND BIOPROSPECTING 2022; 12:18. [PMID: 35534591 PMCID: PMC9086005 DOI: 10.1007/s13659-022-00339-y] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Accepted: 03/29/2022] [Indexed: 05/02/2023]
Abstract
Human longevity has increased dramatically during the past century. More than 20% of the 9 billion population of the world will exceed the age of 60 in 2050. Since the last three decades, some interventions and many preclinical studies have been found to show slowing aging and increasing the healthy lifespan of organisms from yeast, flies, rodents to nonhuman primates. The interventions are classified into two groups: lifestyle modifications and pharmacological/genetic manipulations. Some genetic pathways have been characterized to have a specific role in controlling aging and lifespan. Thus, all genes in the pathways are potential antiaging targets. Currently, many antiaging compounds target the calorie-restriction mimetic, autophagy induction, and putative enhancement of cell regeneration, epigenetic modulation of gene activity such as inhibition of histone deacetylases and DNA methyltransferases, are under development. It appears evident that the exploration of new targets for these antiaging agents based on biogerontological research provides an incredible opportunity for the healthcare and pharmaceutical industries. The present review focus on the properties of slow aging and healthy life span extension of natural products from various biological resources, endogenous substances, drugs, and synthetic compounds, as well as the mechanisms of targets for antiaging evaluation. These bioactive compounds that could benefit healthy aging and the potential role of life span extension are discussed.
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Affiliation(s)
- Ji-Kai Liu
- School of Pharmaceutical Sciences, South-Central University for Nationalities, Wuhan, 430074, People's Republic of China.
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Rachakatla A, Kalashikam RR. Calorie Restriction-Regulated Molecular Pathways and Its Impact on Various Age Groups: An Overview. DNA Cell Biol 2022; 41:459-468. [PMID: 35451872 DOI: 10.1089/dna.2021.0922] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
Calorie restriction (CR) if planned properly with regular exercise at different ages can result in healthy weight loss. CR can also have different beneficial effects on improving lifespan and decreasing the age-associated diseases by regulating physiological, biochemical, and molecular markers. The different pathways regulated by CR include:(1) AMP-activated protein kinase (AMPK), which involves PGC-1α, SIRT1, and SIRT3. AMPK also effects myocyte enhancer factor 2 (MEF2), peroxisome proliferator-activated receptor delta, and peroxisome proliferator-activated receptor alpha, which are involved in mitochondrial biogenesis and lipid oxidation; (2) Forkhead box transcription factor's signaling is related to the DNA repair, lipid metabolism, protection of protein structure, autophagy, and resistance to oxidative stress; (3) Mammalian target of rapamycin (mTOR) signaling, which involves key factors, such as S6 protein kinase-1 (S6K1), mTOR complex-1 (mTORC1), and 4E-binding protein (4E-BP). Under CR conditions, AMPK activation and mTOR inhibition helps in the activation of Ulk1 complex along with the acetyltransferase Mec-17, which is necessary for autophagy; (4) Insulin-like growth factor-1 (IGF-1) pathway downregulation protects against cancer and slows the aging process; (5) Nuclear factor kappa B pathway downregulation decreases the inflammation; and (6) c-Jun N-terminal kinase and p38 kinase regulation as a response to the stress. The acute and chronic CR both shows antidepression and anxiolytic action by effecting ghrelin/GHS-R1a signaling. CR also regulates GSK3β kinase and protects against age-related brain atrophy. CR at young age may show many deleterious effects by effecting different mechanisms. Parental CR before or during conception will also affect the health and development of the offspring by causing many epigenetic modifications that show transgenerational transmission. Maternal CR is associated with intrauterine growth retardation effecting the offspring in their adulthood by developing different metabolic syndromes. The epigenetic changes with response to paternal food supply also linked to offspring health. CR at middle and old age provides a significant preventive impact against the development of age-associated diseases.
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Molecular mechanisms and consequences of mitochondrial permeability transition. Nat Rev Mol Cell Biol 2022; 23:266-285. [PMID: 34880425 DOI: 10.1038/s41580-021-00433-y] [Citation(s) in RCA: 197] [Impact Index Per Article: 98.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/29/2021] [Indexed: 12/29/2022]
Abstract
Mitochondrial permeability transition (mPT) is a phenomenon that abruptly causes the flux of low molecular weight solutes (molecular weight up to 1,500) across the generally impermeable inner mitochondrial membrane. The mPT is mediated by the so-called mitochondrial permeability transition pore (mPTP), a supramolecular entity assembled at the interface of the inner and outer mitochondrial membranes. In contrast to mitochondrial outer membrane permeabilization, which mostly activates apoptosis, mPT can trigger different cellular responses, from the physiological regulation of mitophagy to the activation of apoptosis or necrosis. Although there are several molecular candidates for the mPTP, its molecular nature remains contentious. This lack of molecular data was a significant setback that prevented mechanistic insight into the mPTP, pharmacological targeting and the generation of informative animal models. In recent years, experimental evidence has highlighted mitochondrial F1Fo ATP synthase as a participant in mPTP formation, although a molecular model for its transition to the mPTP is still lacking. Recently, the resolution of the F1Fo ATP synthase structure by cryogenic electron microscopy led to a model for mPTP gating. The elusive molecular nature of the mPTP is now being clarified, marking a turning point for understanding mitochondrial biology and its pathophysiological ramifications. This Review provides an up-to-date reference for the understanding of the mammalian mPTP and its cellular functions. We review current insights into the molecular mechanisms of mPT and validated observations - from studies in vivo or in artificial membranes - on mPTP activity and functions. We end with a discussion of the contribution of the mPTP to human disease. Throughout the Review, we highlight the multiple unanswered questions and, when applicable, we also provide alternative interpretations of the recent discoveries.
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Ong JS, Lew LC, Hor YY, Liong MT. Probiotics: The Next Dietary Strategy against Brain Aging. Prev Nutr Food Sci 2022; 27:1-13. [PMID: 35465109 PMCID: PMC9007707 DOI: 10.3746/pnf.2022.27.1.1] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2021] [Revised: 12/23/2021] [Accepted: 12/28/2021] [Indexed: 11/06/2022] Open
Abstract
Owing to their long history of safe use, probiotic microorganisms, typically from the genus Lactobacillus, have long been recognized, especially in traditional and fermented food industries. Although conventionally used for dairy, meat, and vegetable fermentation, the use of probiotics in health foods, supplements, and nutraceuticals has gradually increased. Over the past two decades, the importance of probiotics in improving gut health and immunity as well as alleviating metabolic diseases has been recognized. The new concept of a gut-heart-brain axis has led to the development of various innovations and strategies related to the introduction of probiotics in food and diet. Probiotics influence gut microbiota profiles, inflammation, and disorders and directly impact brain neurotransmitter pathways. As brain health often declines with age, the concept of probiotics being beneficial for the aging brain has also gained much momentum and emphasis in both research and product development. In this review, the concept of the aging brain, different in vivo aging models, and various aging-related benefits of probiotics are discussed.
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Affiliation(s)
- Jia-Sin Ong
- School of Industrial Technology, Universiti Sains Malaysia, Penang 11800, Malaysia
| | - Lee-Ching Lew
- Probionic Corporation, Jeonbuk Institute for Food-Bioindustry, Jeonbuk 54810, Korea
| | - Yan-Yan Hor
- Department of Biotechnology, Yeungnam University, Gyeongbuk 38541, Korea
| | - Min-Tze Liong
- School of Industrial Technology, Universiti Sains Malaysia, Penang 11800, Malaysia
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Hänschke L, Heier C, Maya Palacios SJ, Özek HE, Thiele C, Bauer R, Kühnlein RP, Bülow MH. Drosophila Lipase 3 Mediates the Metabolic Response to Starvation and Aging. FRONTIERS IN AGING 2022; 3:800153. [PMID: 35821816 PMCID: PMC9261307 DOI: 10.3389/fragi.2022.800153] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/22/2021] [Accepted: 01/13/2022] [Indexed: 05/23/2023]
Abstract
The human LIPA gene encodes for the enzyme lysosomal acid lipase, which hydrolyzes cholesteryl ester and triacylglycerol. Lysosomal acid lipase deficiency results in Wolman disease and cholesteryl ester storage disease. The Drosophila genome encodes for two LIPA orthologs, Magro and Lipase 3. Magro is a gut lipase that hydrolyzes triacylglycerides, while Lipase 3 lacks characterization based on mutant phenotypes. We found previously that Lipase 3 transcription is highly induced in mutants with defects in peroxisome biogenesis, but the conditions that allow a similar induction in wildtypic flies are not known. Here we show that Lipase 3 is drastically upregulated in starved larvae and starved female flies, as well as in aged male flies. We generated a lipase 3 mutant that shows sex-specific starvation resistance and a trend to lifespan extension. Using lipidomics, we demonstrate that Lipase 3 mutants accumulate phosphatidylinositol, but neither triacylglycerol nor diacylglycerol. Our study suggests that, in contrast to its mammalian homolog LIPA, Lipase 3 is a putative phospholipase that is upregulated under extreme conditions like prolonged nutrient deprivation and aging.
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Affiliation(s)
- Lea Hänschke
- Life and Medical Sciences (LIMES) Institute, University of Bonn, Bonn, Germany
| | - Christoph Heier
- Institute of Molecular Biosciences, University of Graz, Graz, Austria
- BioTechMed- Graz, Graz, Austria
- Field of Excellence BioHealth, University of Graz, Graz, Austria
| | | | - Huseyin Erdem Özek
- Life and Medical Sciences (LIMES) Institute, University of Bonn, Bonn, Germany
| | - Christoph Thiele
- Life and Medical Sciences (LIMES) Institute, University of Bonn, Bonn, Germany
| | - Reinhard Bauer
- Life and Medical Sciences (LIMES) Institute, University of Bonn, Bonn, Germany
| | - Ronald P. Kühnlein
- Institute of Molecular Biosciences, University of Graz, Graz, Austria
- BioTechMed- Graz, Graz, Austria
- Field of Excellence BioHealth, University of Graz, Graz, Austria
| | - Margret H. Bülow
- Life and Medical Sciences (LIMES) Institute, University of Bonn, Bonn, Germany
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Low Energy Status under Methionine Restriction Is Essentially Independent of Proliferation or Cell Contact Inhibition. Cells 2022; 11:cells11030551. [PMID: 35159360 PMCID: PMC8833905 DOI: 10.3390/cells11030551] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2022] [Revised: 02/02/2022] [Accepted: 02/03/2022] [Indexed: 02/04/2023] Open
Abstract
Nonlimited proliferation is one of the most striking features of neoplastic cells. The basis of cell division is the sufficient presence of mass (amino acids) and energy (ATP and NADH). A sophisticated intracellular network permanently measures the mass and energy levels. Thus, in vivo restrictions in the form of amino acid, protein, or caloric restrictions strongly affect absolute lifespan and age-associated diseases such as cancer. The induction of permanent low energy metabolism (LEM) is essential in this process. The murine cell line L929 responds to methionine restriction (MetR) for a short time period with LEM at the metabolic level defined by a characteristic fingerprint consisting of the molecules acetoacetate, creatine, spermidine, GSSG, UDP-glucose, pantothenate, and ATP. Here, we used mass spectrometry (LC/MS) to investigate the influence of proliferation and contact inhibition on the energy status of cells. Interestingly, the energy status was essentially independent of proliferation or contact inhibition. LC/MS analyses showed that in full medium, the cells maintain active and energetic metabolism for optional proliferation. In contrast, MetR induced LEM independently of proliferation or contact inhibition. These results are important for cell behaviour under MetR and for the optional application of restrictions in cancer therapy.
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50
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Li SJ, Lin YH, Chiang CH, Wang PY, Chen CY. Early-onset dietary restriction maintains mitochondrial health, autophagy and ER function in the left ventricle during aging. J Nutr Biochem 2022; 101:108944. [PMID: 35017002 DOI: 10.1016/j.jnutbio.2022.108944] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2021] [Accepted: 12/06/2021] [Indexed: 12/11/2022]
Abstract
Dietary restriction (DR) exerts healthy benefits, including heart functions. However, the cardioprotective role of DR is till controversial among researchers due to the variation of DR conditions. The present study focuses on the protective effect of early-onset DR on cardiac injury using mitochondrial structure and expression of protein associated with mitochondrial homeostasis, autophagy and endoplasmic reticulum (ER) function as measures. METHODS Two-month-old mice were fed with a breeding diet ad libitum (AL) or DR (60% of AL) for 3 (Young) or 20 (Aged) months. RESULTS Body weight increased with aging, whereas DR treatment kept body weight consistent. DR mice exhibited a higher relative heart weight than AL mice. DR mice displayed lower plasma glucose levels, compared with AL groups. Furthermore, Aged-AL, but not Aged-DR mice, had increased collagen content and morphological distortions in the left ventricle (LV). Aged-DR mice had a higher ATP and lower TBARS in the LV than Aged-AL mice. Mitochondrial morphology was detected by electron microscopy; Aged-AL mice had increased abnormal morphology of mitochondria. Treatment with DR reduced abnormal mitochondrial accumulation. Aging elevated the protein expressions of mitochondrial functions and ER-induced apoptosis. Aging downregulated autophagy-related proteins and chaperones in the heart. Dietary restriction reversed those protein expressions. CONCLUSIONS The present study demonstrated a beneficial effect of early onset DR on cardiac aging. The age-dependent mitochondrial dysfunction and protein quality control dysregulation was significantly reversed by long-term DR, demonstrating a concordance with the beneficial effect in the heart.
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Affiliation(s)
- Sin-Jin Li
- Department of Animal Science and Technology, National Taiwan University, No. 50, Lane 155, Sec 3, Keelung Rd, Taipei, 10672, Taiwan
| | - Yu-Han Lin
- General Research Service Center/ Department of Animal Science, National Pingtung University of Science and Technology, No. 1, Shuefu Rd, Neipu, Pingtung, 912301, Taiwan
| | - Chun-Hsien Chiang
- Department of Animal Science and Technology, National Taiwan University, No. 50, Lane 155, Sec 3, Keelung Rd, Taipei, 10672, Taiwan
| | - Pei-Yu Wang
- Graduate Institute of Brain and Mind Sciences, College of Medicine, National Taiwan University, Taipei, Taiwan
| | - Ching-Yi Chen
- Department of Animal Science and Technology, National Taiwan University, No. 50, Lane 155, Sec 3, Keelung Rd, Taipei, 10672, Taiwan.
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