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Kehinde SA, Olajide AT, Ore A, Praveena SM, Ataya FS, El-Gazzar AM. Assessment of neuro-pulmonary crosstalk in asthmatic mice: effects of DiNP exposure on cellular respiration, mitochondrial oxidative status and apoptotic signaling. Sci Rep 2024; 14:14712. [PMID: 38926453 PMCID: PMC11208560 DOI: 10.1038/s41598-024-65356-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2024] [Accepted: 06/19/2024] [Indexed: 06/28/2024] Open
Abstract
Human health is becoming concerned about exposure to endocrine disrupting chemicals (EDCs) emanating from plastic, such as phthalates, which are industrially employed as plasticizers in the manufacturing of plastic products. Due to some toxicity concerns, di(2-ethylhexyl) phthalate (DEHP) was replaced by diisononyl phthalate (DiNP). Recent data, however, highlights the potential of DiNP to interfere with the endocrine system and influence allergic responses. Asthma affects brain function through hypoxia, systemic inflammation, oxidative stress, and sleep disturbances and its effective management is crucial for maintaining respiratory and brain health. Therefore, in DiNP-induced asthmatic mice, this study investigated possible crosstalk between the lungs and the brain inducing perturbations in neural mitochondrial antioxidant status, inflammation biomarkers, energy metabolizing enzymes, and apoptotic indicators. To achieve this, twelve (n = 12, 20-30 g) male BALB/c mice were divided into two (2) experimental groups, each with five (6) mice. Mice in group II were subjected to 50 mg/kg body weight (BW) DiNP (Intraperitoneal and intranasal), while group I served as the control group for 24 days. The effects of DiNP on neural energy metabolizing enzymes (Hexokinase, Aldolase, NADase, Lactate dehydrogenase, Complex I, II, II & IV), biomarkers of inflammation (Nitric oxide, Myeloperoxidase), oxidative stress (malondialdehyde), antioxidants (catalase, glutathione-S-transferase, and reduced glutathione), oncogenic and apoptotic factors (p53, K-ras, Bcl, etc.), and brain histopathology were investigated. DiNP-induced asthmatic mice have significantly (p < 0.05) altered neural energy metabolizing capacities due to disruption of activities of enzymes of glycolytic and oxidative phosphorylation. Other responses include significant inflammation, oxidative distress, decreased antioxidant status, altered oncogenic-apoptotic factors level and neural degeneration (as shown in hematoxylin and eosin-stained brain sections) relative to control. Current findings suggest that neural histoarchitecture, energy metabolizing potentials, inflammation, oncogenic and apoptotic factors, and mitochondrial antioxidant status may be impaired and altered in DiNP-induced asthmatic mice suggesting a pivotal crosstalk between the two intricate organs (lungs and brain).
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Affiliation(s)
- Samuel Abiodun Kehinde
- Biochemical Toxicology Laboratory, Faculty of Basic Medical Sciences, Ajayi Crowther University, Oyo, Nigeria.
| | - Abosede Temitope Olajide
- Cell and Signaling Laboratory, Department of Biomedical Science, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia (UPM), 43400, Serdang, Selangor Darul Ehsan, Malaysia
| | - Ayokanmi Ore
- Redox Biochemistry, Metabolic and Phytotherapy Research Laboratory, Department of Chemical Sciences, Faculty of Natural Science, Ajayi Crowther University, Oyo, Nigeria
| | - Sarva Mangala Praveena
- Department of Environmental and Occupational Health, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia (UPM), 43400, Serdang, Selangor Darul Ehsan, Malaysia
| | - Farid S Ataya
- Department of Biochemistry, College of Science, King Saud University, PO Box 2455, 11451, Riyadh, Saudi Arabia
| | - Ahmed M El-Gazzar
- Department of Experimental Pathology and Tumor Biology, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
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Sfera A, Imran H, Sfera DO, Anton JJ, Kozlakidis Z, Hazan S. Novel Insights into Psychosis and Antipsychotic Interventions: From Managing Symptoms to Improving Outcomes. Int J Mol Sci 2024; 25:5904. [PMID: 38892092 PMCID: PMC11173215 DOI: 10.3390/ijms25115904] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2024] [Revised: 05/20/2024] [Accepted: 05/24/2024] [Indexed: 06/21/2024] Open
Abstract
For the past 70 years, the dopamine hypothesis has been the key working model in schizophrenia. This has contributed to the development of numerous inhibitors of dopaminergic signaling and antipsychotic drugs, which led to rapid symptom resolution but only marginal outcome improvement. Over the past decades, there has been limited research on the quantifiable pathological changes in schizophrenia, including premature cellular/neuronal senescence, brain volume loss, the attenuation of gamma oscillations in electroencephalograms, and the oxidation of lipids in the plasma and mitochondrial membranes. We surmise that the aberrant activation of the aryl hydrocarbon receptor by toxins derived from gut microbes or the environment drives premature cellular and neuronal senescence, a hallmark of schizophrenia. Early brain aging promotes secondary changes, including the impairment and loss of mitochondria, gray matter depletion, decreased gamma oscillations, and a compensatory metabolic shift to lactate and lactylation. The aim of this narrative review is twofold: (1) to summarize what is known about premature cellular/neuronal senescence in schizophrenia or schizophrenia-like disorders, and (2) to discuss novel strategies for improving long-term outcomes in severe mental illness with natural senotherapeutics, membrane lipid replacement, mitochondrial transplantation, microbial phenazines, novel antioxidant phenothiazines, inhibitors of glycogen synthase kinase-3 beta, and aryl hydrocarbon receptor antagonists.
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Affiliation(s)
- Adonis Sfera
- Patton State Hospital, 3102 Highland Ave., Patton, CA 92369, USA; (H.I.)
- University of California Riverside, Riverside 900 University Ave., Riverside, CA 92521, USA
- Loma Linda University, 11139 Anderson St., Loma Linda, CA 92350, USA
| | - Hassan Imran
- Patton State Hospital, 3102 Highland Ave., Patton, CA 92369, USA; (H.I.)
- University of California Riverside, Riverside 900 University Ave., Riverside, CA 92521, USA
- Loma Linda University, 11139 Anderson St., Loma Linda, CA 92350, USA
| | - Dan O. Sfera
- Patton State Hospital, 3102 Highland Ave., Patton, CA 92369, USA; (H.I.)
- University of California Riverside, Riverside 900 University Ave., Riverside, CA 92521, USA
- Loma Linda University, 11139 Anderson St., Loma Linda, CA 92350, USA
| | | | - Zisis Kozlakidis
- International Agency for Research on Cancer, 69372 Lyon, France;
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Zhang H, Muhetarijiang M, Chen RJ, Hu X, Han J, Zheng L, Chen T. Mitochondrial Dysfunction: A Roadmap for Understanding and Tackling Cardiovascular Aging. Aging Dis 2024:AD.2024.0058. [PMID: 38739929 DOI: 10.14336/ad.2024.0058] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2024] [Accepted: 05/08/2024] [Indexed: 05/16/2024] Open
Abstract
Cardiovascular aging is a progressive remodeling process constituting a variety of cellular and molecular alterations that are closely linked to mitochondrial dysfunction. Therefore, gaining a deeper understanding of the changes in mitochondrial function during cardiovascular aging is crucial for preventing cardiovascular diseases. Cardiac aging is accompanied by fibrosis, cardiomyocyte hypertrophy, metabolic changes, and infiltration of immune cells, collectively contributing to the overall remodeling of the heart. Similarly, during vascular aging, there is a profound remodeling of blood vessel structure. These remodeling present damage to endothelial cells, increased vascular stiffness, impaired formation of new blood vessels (angiogenesis), the development of arteriosclerosis, and chronic vascular inflammation. This review underscores the role of mitochondrial dysfunction in cardiac aging, exploring its impact on fibrosis and myocardial alterations, metabolic remodeling, immune response remodeling, as well as in vascular aging in the heart. Additionally, we emphasize the significance of mitochondria-targeted therapies in preventing cardiovascular diseases in the elderly.
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Affiliation(s)
- Han Zhang
- Department of Cardiology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Mairedan Muhetarijiang
- Department of Cardiology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Ryan J Chen
- School of Medicine, Zhejiang University, Hangzhou, China
| | - Xiaosheng Hu
- Department of Cardiology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Jie Han
- Department of Cardiology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Liangrong Zheng
- Department of Cardiology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Ting Chen
- Department of Cardiology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
- Key Laboratory of Precision Medicine for Atherosclerotic Diseases of Zhejiang Province, Affiliated First Hospital of Ningbo University, Ningbo, China
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Holuka C, Menta G, Caro JC, Vögele C, D'Ambrosio C, Turner JD. Developmental epigenomic effects of maternal financial problems. Dev Psychopathol 2024:1-14. [PMID: 38654405 DOI: 10.1017/s095457942400083x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/25/2024]
Abstract
Early-life adversity as neglect or low socioeconomic status is associated with negative physical/mental health outcomes and plays an important role in health trajectories through life. The early-life environment has been shown to be encoded as changes in epigenetic markers that are retained for many years.We investigated the effect of maternal major financial problems (MFP) and material deprivation (MD) on their children's epigenome in the Avon Longitudinal Study of Parents and Children (ALSPAC) cohort. Epigenetic aging, measured with epigenetic clocks, was weakly accelerated with increased MFP. In subsequent EWAS, MFP, and MD showed strong, independent programing effects on children's genomes. MFP in the period from birth to age seven was associated with genome-wide epigenetic modifications on children's genome visible at age 7 and partially remaining at age 15.These results support the hypothesis that physiological processes at least partially explain associations between early-life adversity and health problems later in life. Both maternal stressors (MFP/MD) had similar effects on biological pathways, providing preliminary evidence for the mechanisms underlying the effects of low socioeconomic status in early life and disease outcomes later in life. Understanding these associations is essential to explain disease susceptibility, overall life trajectories and the transition from health to disease.
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Affiliation(s)
- Cyrielle Holuka
- Department of Infection and Immunity, Immune Endocrine Epigenetics Research Group, Luxembourg Institute of Health, Esch-sur-Alzette, Luxembourg
- Faculty of Science, University of Luxembourg, Belval, Luxembourg
| | - Giorgia Menta
- Luxembourg Institute of Socio-Economic Research (LISER), Esch-sur-Alzette, Luxembourg
| | - Juan Carlos Caro
- Department of Behavioural and Cognitive Sciences, University of Luxembourg, Esch-sur-Alzette, Luxembourg
- Department of Industrial Engineering, Universidad de Concepcion, Talcahuano, Chile
| | - Claus Vögele
- Department of Behavioural and Cognitive Sciences, University of Luxembourg, Esch-sur-Alzette, Luxembourg
| | - Conchita D'Ambrosio
- Department of Behavioural and Cognitive Sciences, University of Luxembourg, Esch-sur-Alzette, Luxembourg
| | - Jonathan D Turner
- Department of Infection and Immunity, Immune Endocrine Epigenetics Research Group, Luxembourg Institute of Health, Esch-sur-Alzette, Luxembourg
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Nandy A, Richards A, Thapa S, Akhmetshina A, Narayani N, Rendina-Ruedy E. Altered Osteoblast Metabolism with Aging Results in Lipid Accumulation and Oxidative Stress Mediated Bone Loss. Aging Dis 2024; 15:767-786. [PMID: 37548937 PMCID: PMC10917552 DOI: 10.14336/ad.2023.0510] [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: 01/24/2023] [Accepted: 05/10/2023] [Indexed: 08/08/2023] Open
Abstract
Cellular aging is associated with dysfunction of numerous tissues affecting multiple organ systems. A striking example of this is related to age-related bone loss, or osteoporosis, increasing fracture incidence. Interestingly, the two compartments of bone, cortical and cancellous or trabecular, rely on different mechanisms for development and maintenance during 'normal' aging. At a cellular level, the aging process disturbs a multitude of intracellular pathways. In particular, alterations in cellular metabolic functions thereby impacting cellular bioenergetics have been implicated in multiple tissues. Therefore, this study aimed to characterize how metabolic processes were altered in bone forming osteoblasts in aged mice compared to young mice. Metabolic flux analyses demonstrated both stromal cells and mature, matrix secreting osteoblasts from aged mice exhibited mitochondrial dysfunction. This was also accompanied by a lack of adaptability or metabolic flexibility to utilize exogenous substrates compared to osteoblasts cultured from young mice. Additionally, lipid droplets accumulated in both early stromal cells and mature osteoblasts from aged mice, which was further depicted as increased lipid content within the bone cortex of aged mice. Global transcriptomic analysis of the bone further supported these metabolic data as enhanced oxidative stress genes were up-regulated in aged mice, while osteoblast-related genes were down-regulated when compared to the young mice. Collectively, these data suggest that aging results in altered osteoblast metabolic handling of both exogenous and endogenous substrates which could contribute to age-related osteoporosis.
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Affiliation(s)
- Ananya Nandy
- Department of Medicine, Division of Clinical Pharmacology, Vanderbilt University Medical Center, Nashville, TN, 37232, USA.
| | - Alison Richards
- Department of Medicine, Division of Clinical Pharmacology, Vanderbilt University Medical Center, Nashville, TN, 37232, USA.
| | - Santosh Thapa
- Department of Medicine, Division of Clinical Pharmacology, Vanderbilt University Medical Center, Nashville, TN, 37232, USA.
| | - Alena Akhmetshina
- Department of Medicine, Division of Clinical Pharmacology, Vanderbilt University Medical Center, Nashville, TN, 37232, USA.
- Gottfried Schatz Research Center, Molecular Biology and Biochemistry, Medical University of Graz, Neue Stiftingtalstrasse 6/6, 8010 Graz, Austria
| | - Nikita Narayani
- Department of Medicine, Division of Clinical Pharmacology, Vanderbilt University Medical Center, Nashville, TN, 37232, USA.
| | - Elizabeth Rendina-Ruedy
- Department of Medicine, Division of Clinical Pharmacology, Vanderbilt University Medical Center, Nashville, TN, 37232, USA.
- Molecular Physiology and Biophysics, Vanderbilt University, Nashville, TN, 37232, USA.
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Castro CFG, Nardiello C, Hadzic S, Kojonazarov B, Kraut S, Gierhardt M, Schäffer J, Bednorz M, Quanz K, Heger J, Korfei M, Wilhelm J, Hecker M, Bartkuhn M, Arnhold S, Guenther A, Seeger W, Schulz R, Weissmann N, Sommer N, Pak O. The Role of the Redox Enzyme p66Shc in Biological Aging of the Lung. Aging Dis 2024; 15:911-926. [PMID: 37548932 PMCID: PMC10917546 DOI: 10.14336/ad.2023.0715] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Accepted: 07/15/2023] [Indexed: 08/08/2023] Open
Abstract
The mitochondrial adaptor protein p66Shc has been suggested to control life span in mice via the release of hydrogen peroxide. However, the role of p66Shc in lung aging remains unsolved. Thus, we investigated the effects of p66Shc-/- on the aging of the lung and pulmonary circulation. In vivo lung and cardiac characteristics were investigated in p66Shc-/- and wild type (WT) mice at 3, 12, and 24 months of age by lung function measurements, micro-computed tomography (µCT), and echocardiography. Alveolar number and muscularization of small pulmonary arteries were measured by stereology and vascular morphometry, respectively. Protein and mRNA levels of senescent markers were measured by western blot and PCR, respectively. Lung function declined similarly in WT and p66Shc-/- mice during aging. However, µCT analyses and stereology showed slightly enhanced signs of aging-related parameters in p66Shc-/- mice, such as a decline of alveolar density. Accordingly, p66Shc-/- mice showed higher protein expression of the senescence marker p21 in lung homogenate compared to WT mice of the corresponding age. Pulmonary vascular remodeling was increased during aging, but aged p66Shc-/- mice showed similar muscularization of pulmonary vessels and hemodynamics like WT mice. In the heart, p66Shc-/- prevented the deterioration of right ventricular (RV) function but promoted the decline of left ventricular (LV) function during aging. p66Shc-/- affects the aging process of the lung and the heart differently. While p66Shc-/- slightly accelerates lung aging and deteriorates LV function in aged mice, it seems to exert protective effects on RV function during aging.
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Affiliation(s)
- Claudia F. Garcia Castro
- Excellence Cluster Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus- Liebig University of Giessen, Giessen, Germany.
| | - Claudio Nardiello
- Excellence Cluster Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus- Liebig University of Giessen, Giessen, Germany.
| | - Stefan Hadzic
- Excellence Cluster Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus- Liebig University of Giessen, Giessen, Germany.
| | - Baktybek Kojonazarov
- Excellence Cluster Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus- Liebig University of Giessen, Giessen, Germany.
- Institute for Lung Health (ILH), Giessen, Germany.
| | - Simone Kraut
- Excellence Cluster Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus- Liebig University of Giessen, Giessen, Germany.
| | - Mareike Gierhardt
- Excellence Cluster Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus- Liebig University of Giessen, Giessen, Germany.
- Instituto de Investigación en Biomedicina de Buenos Aires (IBioBA), CONICET - Partner Institute of the Max Planck Society, Buenos Aires, Argentina.
- Max Planck Institute for Heart and Lung Research, Bad Nauheim, Germany.
| | - Julia Schäffer
- Excellence Cluster Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus- Liebig University of Giessen, Giessen, Germany.
| | - Mariola Bednorz
- Excellence Cluster Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus- Liebig University of Giessen, Giessen, Germany.
| | - Karin Quanz
- Excellence Cluster Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus- Liebig University of Giessen, Giessen, Germany.
| | - Jacqueline Heger
- Institute of Physiology, Justus-Liebig University of Giessen, Giessen, Germany.
| | - Martina Korfei
- Excellence Cluster Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus- Liebig University of Giessen, Giessen, Germany.
| | - Jochen Wilhelm
- Excellence Cluster Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus- Liebig University of Giessen, Giessen, Germany.
- Institute for Lung Health (ILH), Giessen, Germany.
| | - Matthias Hecker
- Excellence Cluster Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus- Liebig University of Giessen, Giessen, Germany.
| | - Marek Bartkuhn
- Excellence Cluster Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus- Liebig University of Giessen, Giessen, Germany.
- Institute for Lung Health (ILH), Giessen, Germany.
| | - Stefan Arnhold
- Institute of Veterinary Anatomy, Histology and Embryology, Justus-Liebig University of Giessen, Giessen, Germany.
| | - Andreas Guenther
- Excellence Cluster Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus- Liebig University of Giessen, Giessen, Germany.
- European IPF Registry & Biobank (eurIPFreg), Giessen, Germany.
- Agaplesion Evangelisches Krankenhaus Mittelhessen, Giessen, Germany
| | - Werner Seeger
- Excellence Cluster Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus- Liebig University of Giessen, Giessen, Germany.
- Max Planck Institute for Heart and Lung Research, Bad Nauheim, Germany.
- Institute for Lung Health (ILH), Giessen, Germany.
| | - Rainer Schulz
- Institute of Physiology, Justus-Liebig University of Giessen, Giessen, Germany.
| | - Norbert Weissmann
- Excellence Cluster Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus- Liebig University of Giessen, Giessen, Germany.
| | - Natascha Sommer
- Excellence Cluster Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus- Liebig University of Giessen, Giessen, Germany.
| | - Oleg Pak
- Excellence Cluster Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus- Liebig University of Giessen, Giessen, Germany.
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Ali I, Zhang H, Zaidi SAA, Zhou G. Understanding the intricacies of cellular senescence in atherosclerosis: Mechanisms and therapeutic implications. Ageing Res Rev 2024; 96:102273. [PMID: 38492810 DOI: 10.1016/j.arr.2024.102273] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Revised: 01/16/2024] [Accepted: 03/13/2024] [Indexed: 03/18/2024]
Abstract
Cardiovascular disease is currently the largest cause of mortality and disability globally, surpassing communicable diseases, and atherosclerosis is the main contributor to this epidemic. Aging is intimately linked to atherosclerosis development and progression, however, the mechanism of aging in atherosclerosis is not well known. To emphasize the significant research on the involvement of senescent cells in atherosclerosis, we begin by outlining compelling evidence that indicates various types of senescent cells and SASP factors linked to atherosclerotic phenotypes. We subsequently provide a comprehensive summary of the existing knowledge, shedding light on the intricate mechanisms through which cellular senescence contributes to the pathogenesis of atherosclerosis. Further, we cover that senescence can be identified by both structural changes and several senescence-associated biomarkers. Finally, we discuss that preventing accelerated cellular senescence represents an important therapeutic potential, as permanent changes may occur in advanced atherosclerosis. Together, the review summarizes the relationship between cellular senescence and atherosclerosis, and inspects the molecular knowledge, and potential clinical significance of senescent cells in developing senescent-based therapy, thus providing crucial insights into their biology and potential therapeutic exploration.
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Affiliation(s)
- Ilyas Ali
- Department of Medical Cell Biology and Genetics, Guangdong Key Laboratory of Genomic Stability and Disease Prevention, Shenzhen Key Laboratory of Anti-Aging and Regenerative Medicine, and Shenzhen Engineering Laboratory of Regenerative Technologies for Orthopaedic Diseases, Health Sciences Center, Shenzhen University, Shenzhen 518060, PR China; Guangdong Key Laboratory for Biomedical Measurements and Ultrasound Imaging, National-Regional Key Technology Engineering Laboratory for Medical Ultrasound, School of Biomedical Engineering, Shenzhen University Medical School, Shenzhen 518060, PR China
| | - Hongliang Zhang
- Shenzhen University General Hospital, Shenzhen University, Shenzhen 518060, PR China
| | - Syed Aqib Ali Zaidi
- Department of Medical Cell Biology and Genetics, Guangdong Key Laboratory of Genomic Stability and Disease Prevention, Shenzhen Key Laboratory of Anti-Aging and Regenerative Medicine, and Shenzhen Engineering Laboratory of Regenerative Technologies for Orthopaedic Diseases, Health Sciences Center, Shenzhen University, Shenzhen 518060, PR China
| | - Guangqian Zhou
- Department of Medical Cell Biology and Genetics, Guangdong Key Laboratory of Genomic Stability and Disease Prevention, Shenzhen Key Laboratory of Anti-Aging and Regenerative Medicine, and Shenzhen Engineering Laboratory of Regenerative Technologies for Orthopaedic Diseases, Health Sciences Center, Shenzhen University, Shenzhen 518060, PR China; Guangdong Key Laboratory for Biomedical Measurements and Ultrasound Imaging, National-Regional Key Technology Engineering Laboratory for Medical Ultrasound, School of Biomedical Engineering, Shenzhen University Medical School, Shenzhen 518060, PR China.
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8
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Ibragimova M, Kussainova A, Aripova A, Bersimbaev R, Bulgakova O. The Molecular Mechanisms in Senescent Cells Induced by Natural Aging and Ionizing Radiation. Cells 2024; 13:550. [PMID: 38534394 DOI: 10.3390/cells13060550] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2024] [Revised: 03/17/2024] [Accepted: 03/19/2024] [Indexed: 03/28/2024] Open
Abstract
This review discusses the relationship between cellular senescence and radiation exposure. Given the wide range of ionizing radiation sources encountered by people in professional and medical spheres, as well as the influence of natural background radiation, the question of the effect of radiation on biological processes, particularly on aging processes, remains highly relevant. The parallel relationship between natural and radiation-induced cellular senescence reveals the common aspects underlying these processes. Based on recent scientific data, the key points of the effects of ionizing radiation on cellular processes associated with aging, such as genome instability, mitochondrial dysfunction, altered expression of miRNAs, epigenetic profile, and manifestation of the senescence-associated secretory phenotype (SASP), are discussed. Unraveling the molecular mechanisms of cellular senescence can make a valuable contribution to the understanding of the molecular genetic basis of age-associated diseases in the context of environmental exposure.
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Affiliation(s)
- Milana Ibragimova
- Department of General Biology and Genomics, Institute of Cell Biology and Biotechnology, L.N. Gumilyov Eurasian National University, Astana 010008, Kazakhstan
| | - Assiya Kussainova
- Department of General Biology and Genomics, Institute of Cell Biology and Biotechnology, L.N. Gumilyov Eurasian National University, Astana 010008, Kazakhstan
- Department of Health Sciences, University of Genova, Via Pastore 1, 16132 Genoa, Italy
| | - Akmaral Aripova
- Department of General Biology and Genomics, Institute of Cell Biology and Biotechnology, L.N. Gumilyov Eurasian National University, Astana 010008, Kazakhstan
| | - Rakhmetkazhi Bersimbaev
- Department of General Biology and Genomics, Institute of Cell Biology and Biotechnology, L.N. Gumilyov Eurasian National University, Astana 010008, Kazakhstan
| | - Olga Bulgakova
- Department of General Biology and Genomics, Institute of Cell Biology and Biotechnology, L.N. Gumilyov Eurasian National University, Astana 010008, Kazakhstan
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9
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Cui M, Yamano K, Yamamoto K, Yamamoto-Imoto H, Minami S, Yamamoto T, Matsui S, Kaminishi T, Shima T, Ogura M, Tsuchiya M, Nishino K, Layden BT, Kato H, Ogawa H, Oki S, Okada Y, Isaka Y, Kosako H, Matsuda N, Yoshimori T, Nakamura S. HKDC1, a target of TFEB, is essential to maintain both mitochondrial and lysosomal homeostasis, preventing cellular senescence. Proc Natl Acad Sci U S A 2024; 121:e2306454120. [PMID: 38170752 PMCID: PMC10786298 DOI: 10.1073/pnas.2306454120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2023] [Accepted: 11/15/2023] [Indexed: 01/05/2024] Open
Abstract
Mitochondrial and lysosomal functions are intimately linked and are critical for cellular homeostasis, as evidenced by the fact that cellular senescence, aging, and multiple prominent diseases are associated with concomitant dysfunction of both organelles. However, it is not well understood how the two important organelles are regulated. Transcription factor EB (TFEB) is the master regulator of lysosomal function and is also implicated in regulating mitochondrial function; however, the mechanism underlying the maintenance of both organelles remains to be fully elucidated. Here, by comprehensive transcriptome analysis and subsequent chromatin immunoprecipitation-qPCR, we identified hexokinase domain containing 1 (HKDC1), which is known to function in the glycolysis pathway as a direct TFEB target. Moreover, HKDC1 was upregulated in both mitochondrial and lysosomal stress in a TFEB-dependent manner, and its function was critical for the maintenance of both organelles under stress conditions. Mechanistically, the TFEB-HKDC1 axis was essential for PINK1 (PTEN-induced kinase 1)/Parkin-dependent mitophagy via its initial step, PINK1 stabilization. In addition, the functions of HKDC1 and voltage-dependent anion channels, with which HKDC1 interacts, were essential for the clearance of damaged lysosomes and maintaining mitochondria-lysosome contact. Interestingly, HKDC1 regulated mitophagy and lysosomal repair independently of its prospective function in glycolysis. Furthermore, loss function of HKDC1 accelerated DNA damage-induced cellular senescence with the accumulation of hyperfused mitochondria and damaged lysosomes. Our results show that HKDC1, a factor downstream of TFEB, maintains both mitochondrial and lysosomal homeostasis, which is critical to prevent cellular senescence.
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Affiliation(s)
- Mengying Cui
- Department of Genetics, Graduate School of Medicine, Osaka University, Suita, Osaka565-0871, Japan
| | - Koji Yamano
- Ubiquitin Project, Tokyo Metropolitan Institute of Medical Science, Setagaya, Tokyo156-8506, Japan
- Department of Biomolecular Pathogenesis, Medical Research Institute, Tokyo Medical and Dental University, Bunkyo-ku, Tokyo113-8510, Japan
| | - Kenichi Yamamoto
- Department of Statistical Genetics, Graduate School of Medicine, Osaka University, Suita, Osaka565-0871, Japan
- Department of Pediatrics, Graduate School of Medicine, Osaka University, Suita, Osaka565-0871, Japan
| | - Hitomi Yamamoto-Imoto
- Department of Genetics, Graduate School of Medicine, Osaka University, Suita, Osaka565-0871, Japan
| | - Satoshi Minami
- Department of Genetics, Graduate School of Medicine, Osaka University, Suita, Osaka565-0871, Japan
- Department of Nephrology, Graduate School of Medicine, Osaka University, Suita, Osaka565-0871, Japan
| | - Takeshi Yamamoto
- Department of Nephrology, Graduate School of Medicine, Osaka University, Suita, Osaka565-0871, Japan
| | - Sho Matsui
- Department of Nephrology, Graduate School of Medicine, Osaka University, Suita, Osaka565-0871, Japan
| | - Tatsuya Kaminishi
- Department of Genetics, Graduate School of Medicine, Osaka University, Suita, Osaka565-0871, Japan
- Integrated Frontier Research for Medical Science Division, Institute for Open and Transdisciplinary Research Initiatives, Osaka University, Suita, Osaka565-0871, Japan
| | - Takayuki Shima
- Department of Biochemistry, Nara Medical University, Kashihara, Nara634-8521, Japan
| | - Monami Ogura
- Department of Intracellular Membrane Dynamics, Graduate School of Frontier Biosciences, Osaka University, Suita, Osaka565-0871, Japan
| | - Megumi Tsuchiya
- Laboratory of Nuclear Dynamics Group, Graduate School of Frontier Biosciences, Osaka University, Suita, Osaka565-0871, Japan
| | - Kohei Nishino
- Division of Cell Signaling, Fujii Memorial Institute of Medical Sciences, Institute of Advanced Medical Sciences, Tokushima University, Tokushima770-8503, Japan
| | - Brian T. Layden
- Division of Endocrinology, Diabetes, and Metabolism, University of Illinois Chicago, Chicago, IL60612
- Jesse Brown Veterans Affairs Medical Center, Chicago, IL60612
| | - Hisakazu Kato
- Department of Medical Biochemistry, Graduate School of Medicine/Frontier Bioscience, Osaka University, Suita, Osaka565-0871, Japan
| | - Hidesato Ogawa
- Laboratory of Nuclear Dynamics Group, Graduate School of Frontier Biosciences, Osaka University, Suita, Osaka565-0871, Japan
| | - Shinya Oki
- Department of Drug Discovery Medicine, Graduate School of Medicine, Kyoto University, Kyoto606-8501, Japan
| | - Yukinori Okada
- Department of Statistical Genetics, Graduate School of Medicine, Osaka University, Suita, Osaka565-0871, Japan
- Integrated Frontier Research for Medical Science Division, Institute for Open and Transdisciplinary Research Initiatives, Osaka University, Suita, Osaka565-0871, Japan
- Laboratory of Statistical Immunology, Immunology Frontier Research Center, World Premier International Research Center (WPI-IFReC), Osaka University, Suita, Osaka565-0871, Japan
| | - Yoshitaka Isaka
- Department of Nephrology, Graduate School of Medicine, Osaka University, Suita, Osaka565-0871, Japan
| | - Hidetaka Kosako
- Division of Cell Signaling, Fujii Memorial Institute of Medical Sciences, Institute of Advanced Medical Sciences, Tokushima University, Tokushima770-8503, Japan
| | - Noriyuki Matsuda
- Ubiquitin Project, Tokyo Metropolitan Institute of Medical Science, Setagaya, Tokyo156-8506, Japan
- Department of Biomolecular Pathogenesis, Medical Research Institute, Tokyo Medical and Dental University, Bunkyo-ku, Tokyo113-8510, Japan
| | - Tamotsu Yoshimori
- Department of Genetics, Graduate School of Medicine, Osaka University, Suita, Osaka565-0871, Japan
- Integrated Frontier Research for Medical Science Division, Institute for Open and Transdisciplinary Research Initiatives, Osaka University, Suita, Osaka565-0871, Japan
- Department of Intracellular Membrane Dynamics, Graduate School of Frontier Biosciences, Osaka University, Suita, Osaka565-0871, Japan
| | - Shuhei Nakamura
- Department of Biochemistry, Nara Medical University, Kashihara, Nara634-8521, Japan
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10
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Joshi CS, Salazar AM, Wang C, Ligon MM, Chappidi RR, Fashemi BE, Felder PA, Mora A, Grimm SL, Coarfa C, Mysorekar IU. D-Mannose reduces cellular senescence and NLRP3/GasderminD/IL-1β-driven pyroptotic uroepithelial cell shedding in the murine bladder. Dev Cell 2024; 59:33-47.e5. [PMID: 38101412 PMCID: PMC10872954 DOI: 10.1016/j.devcel.2023.11.017] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2022] [Revised: 07/24/2023] [Accepted: 11/15/2023] [Indexed: 12/17/2023]
Abstract
Aging is a risk factor for disease via increased susceptibility to infection, decreased ability to maintain homeostasis, inefficiency in combating stress, and decreased regenerative capacity. Multiple diseases, including urinary tract infection (UTI), are more prevalent with age; however, the mechanisms underlying the impact of aging on the urinary tract mucosa and the correlation between aging and disease remain poorly understood. Here, we show that, relative to young (8-12 weeks) mice, the urothelium of aged (18-24 months) female mice accumulates large lysosomes with reduced acid phosphatase activity and decreased overall autophagic flux in the aged urothelium, indicative of compromised cellular homeostasis. Aged bladders also exhibit basal accumulation of reactive oxygen species (ROS) and a dampened redox response, implying heightened oxidative stress. Furthermore, we identify a canonical senescence-associated secretory phenotype (SASP) in the aged urothelium, along with continuous NLRP3-inflammasome- and Gasdermin-D-dependent pyroptotic cell death. Consequently, aged mice chronically exfoliate urothelial cells, further exacerbating age-related urothelial dysfunction. Upon infection with uropathogenic E. coli, aged mice harbor increased bacterial reservoirs and are more prone to spontaneous recurrent UTI. Finally, we discover that treatment with D-mannose, a natural bioactive monosaccharide, rescues autophagy flux, reverses the SASP, and mitigates ROS and NLRP3/Gasdermin/interleukin (IL)-1β-driven pyroptotic epithelial cell shedding in aged mice. Collectively, our results demonstrate that normal aging affects bladder physiology, with aging alone increasing baseline cellular stress and susceptibility to infection, and suggest that mannose supplementation could serve as a senotherapeutic to counter age-associated urothelial dysfunction.
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Affiliation(s)
- Chetanchandra S Joshi
- Department of Medicine, Section of Infectious Diseases, Baylor College of Medicine, Houston, TX 77030, USA
| | - Arnold M Salazar
- Department of Medicine, Section of Infectious Diseases, Baylor College of Medicine, Houston, TX 77030, USA
| | - Caihong Wang
- Department of Obstetrics and Gynecology, Washington University School of Medicine, St. Louis, MO 63110, USA
| | - Marianne M Ligon
- Department of Obstetrics and Gynecology, Washington University School of Medicine, St. Louis, MO 63110, USA
| | - Rayvanth R Chappidi
- Department of Obstetrics and Gynecology, Washington University School of Medicine, St. Louis, MO 63110, USA
| | - Bisiayo E Fashemi
- Department of Obstetrics and Gynecology, Washington University School of Medicine, St. Louis, MO 63110, USA
| | - Paul A Felder
- Department of Obstetrics and Gynecology, Washington University School of Medicine, St. Louis, MO 63110, USA
| | - Amy Mora
- Department of Obstetrics and Gynecology, Washington University School of Medicine, St. Louis, MO 63110, USA
| | - Sandra L Grimm
- Department of Molecular & Cellular Biology, Baylor College of Medicine, Houston, TX 77030, USA
| | - Cristian Coarfa
- Department of Molecular & Cellular Biology, Baylor College of Medicine, Houston, TX 77030, USA
| | - Indira U Mysorekar
- Department of Medicine, Section of Infectious Diseases, Baylor College of Medicine, Houston, TX 77030, USA; Department of Obstetrics and Gynecology, Washington University School of Medicine, St. Louis, MO 63110, USA; Department of Virology and Microbiology, Baylor College of Medicine, Houston, TX 77030, USA; Huffington Center of Aging, Baylor College of Medicine, Houston, TX 77030, USA.
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11
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Liang Y, Pan C, Yin T, Wang L, Gao X, Wang E, Quang H, Huang D, Tan L, Xiang K, Wang Y, Alexander PB, Li Q, Yao T, Zhang Z, Wang X. Branched-Chain Amino Acid Accumulation Fuels the Senescence-Associated Secretory Phenotype. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2303489. [PMID: 37964763 PMCID: PMC10787106 DOI: 10.1002/advs.202303489] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/29/2023] [Revised: 10/07/2023] [Indexed: 11/16/2023]
Abstract
The essential branched-chain amino acids (BCAAs) leucine, isoleucine, and valine play critical roles in protein synthesis and energy metabolism. Despite their widespread use as nutritional supplements, BCAAs' full effects on mammalian physiology remain uncertain due to the complexities of BCAA metabolic regulation. Here a novel mechanism linking intrinsic alterations in BCAA metabolism is identified to cellular senescence and the senescence-associated secretory phenotype (SASP), both of which contribute to organismal aging and inflammation-related diseases. Altered BCAA metabolism driving the SASP is mediated by robust activation of the BCAA transporters Solute Carrier Family 6 Members 14 and 15 as well as downregulation of the catabolic enzyme BCAA transaminase 1 during onset of cellular senescence, leading to highly elevated intracellular BCAA levels in senescent cells. This, in turn, activates the mammalian target of rapamycin complex 1 (mTORC1) to establish the full SASP program. Transgenic Drosophila models further indicate that orthologous BCAA regulators are involved in the induction of cellular senescence and age-related phenotypes in flies, suggesting evolutionary conservation of this metabolic pathway during aging. Finally, experimentally blocking BCAA accumulation attenuates the inflammatory response in a mouse senescence model, highlighting the therapeutic potential of modulating BCAA metabolism for the treatment of age-related and inflammatory diseases.
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Affiliation(s)
- Yaosi Liang
- Department of Pharmacology and Cancer BiologyDuke University Medical CenterDurhamNC27710USA
| | - Christopher Pan
- Department of Pharmacology and Cancer BiologyDuke University Medical CenterDurhamNC27710USA
| | - Tao Yin
- Department of Pharmacology and Cancer BiologyDuke University Medical CenterDurhamNC27710USA
| | - Lu Wang
- Department of Pharmacology and Cancer BiologyDuke University Medical CenterDurhamNC27710USA
- State Key Laboratory of Molecular BiologyShanghai Institute of Biochemistry and Cell BiologyCenter for Excellence in Molecular Cell ScienceChinese Academy of SciencesShanghai200031China
| | - Xia Gao
- Department of Pharmacology and Cancer BiologyDuke University Medical CenterDurhamNC27710USA
- Children's Nutrition Research CenterDepartment of PediatricsBaylor College of MedicineHoustonTX77030USA
| | - Ergang Wang
- Department of Pharmacology and Cancer BiologyDuke University Medical CenterDurhamNC27710USA
| | - Holly Quang
- Children's Nutrition Research CenterDepartment of PediatricsBaylor College of MedicineHoustonTX77030USA
| | - De Huang
- Department of Pharmacology and Cancer BiologyDuke University Medical CenterDurhamNC27710USA
- School of Basic Medical SciencesDivision of Life Sciences and MedicineUniversity of Science and Technology of ChinaHefei230026China
| | - Lianmei Tan
- Department of Pharmacology and Cancer BiologyDuke University Medical CenterDurhamNC27710USA
| | - Kun Xiang
- Department of Pharmacology and Cancer BiologyDuke University Medical CenterDurhamNC27710USA
| | - Yu Wang
- Center for Regenerative MedicineMassachusetts General HospitalHarvard Medical SchoolBostonMA02114USA
| | - Peter B. Alexander
- Department of Pharmacology and Cancer BiologyDuke University Medical CenterDurhamNC27710USA
| | - Qi‐Jing Li
- Department of ImmunologyDuke University Medical CenterDurhamNC27710USA
- Institute of Molecular and Cell BiologyAgency for ScienceTechnology and Research (A*STAR)Singapore138673Singapore
- Singapore Immunology NetworkAgency for ScienceTechnology and Research (A*STAR)Singapore138673Singapore
| | - Tso‐Pang Yao
- Department of Pharmacology and Cancer BiologyDuke University Medical CenterDurhamNC27710USA
| | - Zhao Zhang
- Department of Pharmacology and Cancer BiologyDuke University Medical CenterDurhamNC27710USA
| | - Xiao‐Fan Wang
- Department of Pharmacology and Cancer BiologyDuke University Medical CenterDurhamNC27710USA
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12
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Sun D, Li S, Chen S, Zhang S, Gu Q, Shen Y, Wei F, Wang N. TRIM25 inhibition attenuates inflammation, senescence, and oxidative stress in microvascular endothelial cells induced by hyperglycemia. Graefes Arch Clin Exp Ophthalmol 2024; 262:81-91. [PMID: 37367995 DOI: 10.1007/s00417-023-06160-8] [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: 02/21/2023] [Revised: 05/18/2023] [Accepted: 06/06/2023] [Indexed: 06/28/2023] Open
Abstract
PURPOSES This work aimed to assess the possible role of TRIM25 in regulating hyperglycemia-induced inflammation, senescence, and oxidative stress in retinal microvascular endothelial cells, all of which exert critical roles in the pathological process of diabetic retinopathy. METHODS The effects of TRIM25 were investigated using streptozotocin-induced diabetic mice, human primary retinal microvascular endothelial cells cultured in high glucose, and adenoviruses for TRIM25 knockdown and overexpression. TRIM25 expression was evaluated by western blot and immunofluorescence staining. Inflammatory cytokines were detected by western blot and quantitative real-time PCR. Cellular senescence level was assessed by detecting senescent marker p21 and senescence-associated-β-galactosidase activity. The oxidative stress state was accessed by detecting reactive oxygen species and mitochondrial superoxide dismutase. RESULTS TRIM25 expression is elevated in the endothelial cells of the retinal fibrovascular membrane from diabetic patients compared with that of the macular epiretinal membrane from non-diabetic patients. Moreover, we have also observed a significant increase in TRIM25 expression in diabetic mouse retina and retinal microvascular endothelial cells under hyperglycemia. TRIM25 knockdown suppressed hyperglycemia-induced inflammation, senescence, and oxidative stress in human primary retinal microvascular endothelial cells while TRIM25 overexpression further aggregates those injuries. Further investigation revealed that TRIM25 promoted the inflammatory responses mediated by the TNF-α/NF-κB pathway and TRIM25 knockdown improved cellular senescence by increasing SIRT3. However, TRIM25 knockdown alleviated the oxidative stress independent of both SIRT3 and mitochondrial biogenesis. CONCLUSION Our study proposed TRIM25 as a potential therapeutic target for the protection of microvascular function during the progression of diabetic retinopathy.
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Affiliation(s)
- Dandan Sun
- Department of Ophthalmology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200080, China
- National Clinical Research Center for Eye DiseasesShanghai Key Laboratory of Ocular Fundus DiseaseShanghai Engineering Center for Visual Science and Photo MedicineShanghai Engineering Center for Precise Diagnosis and Treatment of Eye Diseases, Shanghai, 200080, China
| | - Shenping Li
- Department of Ophthalmology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200080, China
- National Clinical Research Center for Eye DiseasesShanghai Key Laboratory of Ocular Fundus DiseaseShanghai Engineering Center for Visual Science and Photo MedicineShanghai Engineering Center for Precise Diagnosis and Treatment of Eye Diseases, Shanghai, 200080, China
| | - Shimei Chen
- Department of Ophthalmology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200080, China
- National Clinical Research Center for Eye DiseasesShanghai Key Laboratory of Ocular Fundus DiseaseShanghai Engineering Center for Visual Science and Photo MedicineShanghai Engineering Center for Precise Diagnosis and Treatment of Eye Diseases, Shanghai, 200080, China
| | - Shuchang Zhang
- Department of Ophthalmology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200080, China
- National Clinical Research Center for Eye DiseasesShanghai Key Laboratory of Ocular Fundus DiseaseShanghai Engineering Center for Visual Science and Photo MedicineShanghai Engineering Center for Precise Diagnosis and Treatment of Eye Diseases, Shanghai, 200080, China
| | - Qing Gu
- Department of Ophthalmology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200080, China
- National Clinical Research Center for Eye DiseasesShanghai Key Laboratory of Ocular Fundus DiseaseShanghai Engineering Center for Visual Science and Photo MedicineShanghai Engineering Center for Precise Diagnosis and Treatment of Eye Diseases, Shanghai, 200080, China
| | - Yinchen Shen
- Department of Ophthalmology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200080, China
- National Clinical Research Center for Eye DiseasesShanghai Key Laboratory of Ocular Fundus DiseaseShanghai Engineering Center for Visual Science and Photo MedicineShanghai Engineering Center for Precise Diagnosis and Treatment of Eye Diseases, Shanghai, 200080, China
| | - Fang Wei
- Department of Ophthalmology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200080, China.
- National Clinical Research Center for Eye DiseasesShanghai Key Laboratory of Ocular Fundus DiseaseShanghai Engineering Center for Visual Science and Photo MedicineShanghai Engineering Center for Precise Diagnosis and Treatment of Eye Diseases, Shanghai, 200080, China.
| | - Ning Wang
- Department of Ophthalmology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200080, China.
- National Clinical Research Center for Eye DiseasesShanghai Key Laboratory of Ocular Fundus DiseaseShanghai Engineering Center for Visual Science and Photo MedicineShanghai Engineering Center for Precise Diagnosis and Treatment of Eye Diseases, Shanghai, 200080, China.
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13
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Chini CCS, Cordeiro HS, Tran NLK, Chini EN. NAD metabolism: Role in senescence regulation and aging. Aging Cell 2024; 23:e13920. [PMID: 37424179 PMCID: PMC10776128 DOI: 10.1111/acel.13920] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2023] [Revised: 06/15/2023] [Accepted: 06/20/2023] [Indexed: 07/11/2023] Open
Abstract
The geroscience hypothesis proposes that addressing the biology of aging could directly prevent the onset or mitigate the severity of multiple chronic diseases. Understanding the interplay between key aspects of the biological hallmarks of aging is essential in delivering the promises of the geroscience hypothesis. Notably, the nucleotide nicotinamide adenine dinucleotide (NAD) interfaces with several biological hallmarks of aging, including cellular senescence, and changes in NAD metabolism have been shown to be involved in the aging process. The relationship between NAD metabolism and cellular senescence appears to be complex. On the one hand, the accumulation of DNA damage and mitochondrial dysfunction induced by low NAD+ can promote the development of senescence. On the other hand, the low NAD+ state that occurs during aging may inhibit SASP development as this secretory phenotype and the development of cellular senescence are both highly metabolically demanding. However, to date, the impact of NAD+ metabolism on the progression of the cellular senescence phenotype has not been fully characterized. Therefore, to explore the implications of NAD metabolism and NAD replacement therapies, it is essential to consider their interactions with other hallmarks of aging, including cellular senescence. We propose that a comprehensive understanding of the interplay between NAD boosting strategies and senolytic agents is necessary to advance the field.
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Affiliation(s)
- Claudia Christiano Silva Chini
- Metabolism and Molecular Nutrition Laboratory, Kogod Center on Aging, Department of Anesthesiology and Perioperative MedicineMayo Clinic College of MedicineRochesterMinnesotaUSA
- Metabolism and Molecular Nutrition Laboratory, Kogod Center on Aging, Department of Anesthesiology and Perioperative MedicineMayo Clinic College of MedicineJacksonvilleFloridaUSA
| | - Heidi Soares Cordeiro
- Metabolism and Molecular Nutrition Laboratory, Kogod Center on Aging, Department of Anesthesiology and Perioperative MedicineMayo Clinic College of MedicineRochesterMinnesotaUSA
- Metabolism and Molecular Nutrition Laboratory, Kogod Center on Aging, Department of Anesthesiology and Perioperative MedicineMayo Clinic College of MedicineJacksonvilleFloridaUSA
| | - Ngan Le Kim Tran
- Center for Clinical and Translational Science and Mayo Clinic Graduate School of Biomedical SciencesMayo ClinicJacksonvilleFloridaUSA
| | - Eduardo Nunes Chini
- Metabolism and Molecular Nutrition Laboratory, Kogod Center on Aging, Department of Anesthesiology and Perioperative MedicineMayo Clinic College of MedicineRochesterMinnesotaUSA
- Metabolism and Molecular Nutrition Laboratory, Kogod Center on Aging, Department of Anesthesiology and Perioperative MedicineMayo Clinic College of MedicineJacksonvilleFloridaUSA
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14
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Kargl CK, Jia Z, Shera DA, Sullivan BP, Burton LC, Kim KH, Nie Y, Hubal MJ, Shannahan JH, Kuang S, Gavin TP. Angiogenic potential of skeletal muscle derived extracellular vesicles differs between oxidative and glycolytic muscle tissue in mice. Sci Rep 2023; 13:18943. [PMID: 37919323 PMCID: PMC10622454 DOI: 10.1038/s41598-023-45787-9] [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: 02/22/2023] [Accepted: 10/24/2023] [Indexed: 11/04/2023] Open
Abstract
Skeletal muscle fibers regulate surrounding endothelial cells (EC) via secretion of numerous angiogenic factors, including extracellular vesicles (SkM-EV). Muscle fibers are broadly classified as oxidative (OXI) or glycolytic (GLY) depending on their metabolic characteristics. OXI fibers secrete more pro-angiogenic factors and have greater capillary densities than GLY fibers. OXI muscle secretes more EV than GLY, however it is unknown whether muscle metabolic characteristics regulate EV contents and signaling potential. EVs were isolated from primarily oxidative or glycolytic muscle tissue from mice. MicroRNA (miR) contents were determined and endothelial cells were treated with OXI- and GLY-EV to investigate angiogenic signaling potential. There were considerable differences in miR contents between OXI- and GLY-EV and pathway analysis identified that OXI-EV miR were predicted to positively regulate multiple endothelial-specific pathways, compared to GLY-EV. OXI-EV improved in vitro angiogenesis, which may have been mediated through nitric oxide synthase (NOS) related pathways, as treatment of endothelial cells with a non-selective NOS inhibitor abolished the angiogenic benefits of OXI-EV. This is the first report to show widespread differences in miR contents between SkM-EV isolated from metabolically different muscle tissue and the first to demonstrate that oxidative muscle tissue secretes EV with greater angiogenic signaling potential than glycolytic muscle tissue.
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Affiliation(s)
- Christopher K Kargl
- Department of Health and Kinesiology, Max E. Wastl Human Performance Laboratory, Purdue University, West Lafayette, IN, USA
| | - Zhihao Jia
- Department of Animal Sciences, Purdue University, West Lafayette, IN, USA
| | - Deborah A Shera
- School of Health Sciences, Purdue University, West Lafayette, IN, USA
| | - Brian P Sullivan
- Department of Health and Kinesiology, Max E. Wastl Human Performance Laboratory, Purdue University, West Lafayette, IN, USA
| | - Lundon C Burton
- Department of Health and Kinesiology, Max E. Wastl Human Performance Laboratory, Purdue University, West Lafayette, IN, USA
| | - Kun Ho Kim
- Department of Animal Sciences, Purdue University, West Lafayette, IN, USA
| | - Yaohui Nie
- Department of Health and Kinesiology, Max E. Wastl Human Performance Laboratory, Purdue University, West Lafayette, IN, USA
| | - Monica J Hubal
- Department of Kinesiology, Indiana University Purdue University Indianapolis, Indianapolis, IN, USA
| | | | - Shihuan Kuang
- Department of Animal Sciences, Purdue University, West Lafayette, IN, USA
| | - Timothy P Gavin
- Department of Health and Kinesiology, Max E. Wastl Human Performance Laboratory, Purdue University, West Lafayette, IN, USA.
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15
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Giuliani A, Giudetti AM, Vergara D, Del Coco L, Ramini D, Caccese S, Sbriscia M, Graciotti L, Fulgenzi G, Tiano L, Fanizzi FP, Olivieri F, Rippo MR, Sabbatinelli J. Senescent Endothelial Cells Sustain Their Senescence-Associated Secretory Phenotype (SASP) through Enhanced Fatty Acid Oxidation. Antioxidants (Basel) 2023; 12:1956. [PMID: 38001810 PMCID: PMC10668971 DOI: 10.3390/antiox12111956] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2023] [Revised: 10/25/2023] [Accepted: 10/30/2023] [Indexed: 11/26/2023] Open
Abstract
Cellular senescence is closely linked to endothelial dysfunction, a key factor in age-related vascular diseases. Senescent endothelial cells exhibit a proinflammatory phenotype known as SASP, leading to chronic inflammation (inflammaging) and vascular impairments. Albeit in a state of permanent growth arrest, senescent cells paradoxically display a high metabolic activity. The relationship between metabolism and inflammation is complex and varies across cell types and senescence inductions. While some cell types shift towards glycolysis during senescence, others favor oxidative phosphorylation (OXPHOS). Despite the high availability of oxygen, quiescent endothelial cells (ECs) tend to rely on glycolysis for their bioenergetic needs. However, there are limited data on the metabolic behavior of senescent ECs. Here, we characterized the metabolic profiles of young and senescent human umbilical vein endothelial cells (HUVECs) to establish a possible link between the metabolic status and the proinflammatory phenotype of senescent ECs. Senescent ECs internalize a smaller amount of glucose, have a lower glycolytic rate, and produce/release less lactate than younger cells. On the other hand, an increased fatty acid oxidation activity was observed in senescent HUVECs, together with a greater intracellular content of ATP. Interestingly, blockade of glycolysis with 2-deoxy-D-glucose in young cells resulted in enhanced production of proinflammatory cytokines, while the inhibition of carnitine palmitoyltransferase 1 (CPT1), a key rate-limiting enzyme of fatty acid oxidation, ameliorated the SASP in senescent ECs. In summary, metabolic changes in senescent ECs are complex, and this research seeks to uncover potential strategies for modulating these metabolic pathways to influence the SASP.
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Affiliation(s)
- Angelica Giuliani
- Cardiac Rehabilitation Unit of Bari Institute, Istituti Clinici Scientifici Maugeri IRCCS, 70124 Bari, Italy
| | - Anna Maria Giudetti
- Department of Biological and Environmental Sciences and Technologies, University of Salento, 73100 Lecce, Italy; (A.M.G.); (D.V.); (L.D.C.); (F.P.F.)
| | - Daniele Vergara
- Department of Biological and Environmental Sciences and Technologies, University of Salento, 73100 Lecce, Italy; (A.M.G.); (D.V.); (L.D.C.); (F.P.F.)
| | - Laura Del Coco
- Department of Biological and Environmental Sciences and Technologies, University of Salento, 73100 Lecce, Italy; (A.M.G.); (D.V.); (L.D.C.); (F.P.F.)
| | - Deborah Ramini
- Clinic of Laboratory and Precision Medicine, IRCCS INRCA, 60121 Ancona, Italy; (D.R.); (M.S.); (F.O.)
| | - Sara Caccese
- Department of Clinical and Molecular Sciences, Università Politecnica delle Marche, 60126 Ancona, Italy; (S.C.); (G.F.); (M.R.R.); (J.S.)
| | - Matilde Sbriscia
- Clinic of Laboratory and Precision Medicine, IRCCS INRCA, 60121 Ancona, Italy; (D.R.); (M.S.); (F.O.)
| | - Laura Graciotti
- Department of Biomedical Sciences and Public Health, Università Politecnica delle Marche, 60126 Ancona, Italy;
| | - Gianluca Fulgenzi
- Department of Clinical and Molecular Sciences, Università Politecnica delle Marche, 60126 Ancona, Italy; (S.C.); (G.F.); (M.R.R.); (J.S.)
| | - Luca Tiano
- Department of Life and Environmental Sciences, Università Politecnica delle Marche, 60131 Ancona, Italy;
| | - Francesco Paolo Fanizzi
- Department of Biological and Environmental Sciences and Technologies, University of Salento, 73100 Lecce, Italy; (A.M.G.); (D.V.); (L.D.C.); (F.P.F.)
| | - Fabiola Olivieri
- Clinic of Laboratory and Precision Medicine, IRCCS INRCA, 60121 Ancona, Italy; (D.R.); (M.S.); (F.O.)
- Department of Clinical and Molecular Sciences, Università Politecnica delle Marche, 60126 Ancona, Italy; (S.C.); (G.F.); (M.R.R.); (J.S.)
| | - Maria Rita Rippo
- Department of Clinical and Molecular Sciences, Università Politecnica delle Marche, 60126 Ancona, Italy; (S.C.); (G.F.); (M.R.R.); (J.S.)
| | - Jacopo Sabbatinelli
- Department of Clinical and Molecular Sciences, Università Politecnica delle Marche, 60126 Ancona, Italy; (S.C.); (G.F.); (M.R.R.); (J.S.)
- Laboratory Medicine Unit, Azienda Ospedaliero Universitaria delle Marche, 60126 Ancona, Italy
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16
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Song MJ, Park C, Kim H, Han S, Lee SH, Lee DH, Chung JH. Carnitine acetyltransferase deficiency mediates mitochondrial dysfunction-induced cellular senescence in dermal fibroblasts. Aging Cell 2023; 22:e14000. [PMID: 37828898 PMCID: PMC10652321 DOI: 10.1111/acel.14000] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Revised: 09/13/2023] [Accepted: 09/19/2023] [Indexed: 10/14/2023] Open
Abstract
Aging is accompanied by impaired mitochondrial function and accumulation of senescent cells. Mitochondrial dysfunction contributes to senescence by increasing the levels of reactive oxygen species and compromising energy metabolism. Senescent cells secrete a senescence-associated secretory phenotype (SASP) and stimulate chronic low-grade inflammation, ultimately inducing inflammaging. Mitochondrial dysfunction and cellular senescence are two closely related hallmarks of aging; however, the key driver genes that link mitochondrial dysfunction and cellular senescence remain unclear. Here, we aimed to elucidate a novel role of carnitine acetyltransferase (CRAT) in the development of mitochondrial dysfunction and cellular senescence in dermal fibroblasts. Transcriptomic analysis of skin tissues from young and aged participants showed significantly decreased CRAT expression in intrinsically aged skin. CRAT downregulation in human dermal fibroblasts recapitulated mitochondrial changes in senescent cells and induced SASP secretion. Specifically, CRAT knockdown caused mitochondrial dysfunction, as indicated by increased oxidative stress, disruption of mitochondrial morphology, and a metabolic shift from oxidative phosphorylation to glycolysis. Mitochondrial damage induced the release of mitochondrial DNA into the cytosol, which activated the cyclic GMP-AMP synthase (cGAS)-stimulator of interferon genes (STING) and NF-ĸB pathways to induce SASPs. Consistently, fibroblast-specific CRAT-knockout mice showed increased skin aging phenotypes in vivo, including decreased cell proliferation, increased SASP expression, increased inflammation, and decreased collagen density. Our results suggest that CRAT deficiency contributes to aging by mediating mitochondrial dysfunction-induced senescence.
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Affiliation(s)
- Min Ji Song
- Department of DermatologySeoul National University College of MedicineSeoulRepublic of Korea
- Department of Biomedical SciencesSeoul National University Graduate SchoolSeoulRepublic of Korea
- Institute of Human‐Environment Interface Biology, Medical Research Center, Seoul National UniversitySeoulRepublic of Korea
| | - Chi‐Hyun Park
- Department of DermatologySeoul National University College of MedicineSeoulRepublic of Korea
- Institute of Human‐Environment Interface Biology, Medical Research Center, Seoul National UniversitySeoulRepublic of Korea
| | - Haesoo Kim
- Department of DermatologySeoul National University College of MedicineSeoulRepublic of Korea
- Department of Biomedical SciencesSeoul National University Graduate SchoolSeoulRepublic of Korea
- Institute of Human‐Environment Interface Biology, Medical Research Center, Seoul National UniversitySeoulRepublic of Korea
| | - Sangbum Han
- Department of Biomedical SciencesSeoul National University Graduate SchoolSeoulRepublic of Korea
- Institute of Human‐Environment Interface Biology, Medical Research Center, Seoul National UniversitySeoulRepublic of Korea
| | - Si Hyung Lee
- Department of DermatologySeoul National University College of MedicineSeoulRepublic of Korea
- Institute of Human‐Environment Interface Biology, Medical Research Center, Seoul National UniversitySeoulRepublic of Korea
| | - Dong Hun Lee
- Department of DermatologySeoul National University College of MedicineSeoulRepublic of Korea
- Institute of Human‐Environment Interface Biology, Medical Research Center, Seoul National UniversitySeoulRepublic of Korea
| | - Jin Ho Chung
- Department of DermatologySeoul National University College of MedicineSeoulRepublic of Korea
- Department of Biomedical SciencesSeoul National University Graduate SchoolSeoulRepublic of Korea
- Institute of Human‐Environment Interface Biology, Medical Research Center, Seoul National UniversitySeoulRepublic of Korea
- Institute on Aging, Seoul National UniversitySeoulRepublic of Korea
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17
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De Magis A, Limmer M, Mudiyam V, Monchaud D, Juranek S, Paeschke K. UV-induced G4 DNA structures recruit ZRF1 which prevents UV-induced senescence. Nat Commun 2023; 14:6705. [PMID: 37872164 PMCID: PMC10593929 DOI: 10.1038/s41467-023-42494-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2022] [Accepted: 10/12/2023] [Indexed: 10/25/2023] Open
Abstract
Senescence has two roles in oncology: it is known as a potent tumor-suppressive mechanism, which also supports tissue regeneration and repair, it is also known to contribute to reduced patient resilience, which might lead to cancer recurrence and resistance after therapy. Senescence can be activated in a DNA damage-dependent and -independent manner. It is not clear which type of genomic lesions induces senescence, but it is known that UV irradiation can activate cellular senescence in photoaged skin. Proteins that support the repair of DNA damage are linked to senescence but how they contribute to senescence after UV irradiation is still unknown. Here, we unraveled a mechanism showing that upon UV irradiation multiple G-quadruplex (G4) DNA structures accumulate in cell nuclei, which leads to the recruitment of ZRF1 to these G4 sites. ZRF1 binding to G4s ensures genome stability. The absence of ZRF1 triggers an accumulation of G4 structures, improper UV lesion repair, and entry into senescence. On the molecular level loss of ZRF1 as well as high G4 levels lead to the upregulation of DDB2, a protein associated with the UV-damage repair pathway, which drives cells into senescence.
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Affiliation(s)
- Alessio De Magis
- Institute of Clinical Chemistry and Clinical Pharmacology, University Hospital Bonn, Bonn, Germany
- Department of Oncology, Hematology and Rheumatology, University Hospital Bonn, Bonn, Germany
| | - Michaela Limmer
- Institute of Clinical Chemistry and Clinical Pharmacology, University Hospital Bonn, Bonn, Germany
- Department of Oncology, Hematology and Rheumatology, University Hospital Bonn, Bonn, Germany
| | - Venkat Mudiyam
- Institute of Clinical Chemistry and Clinical Pharmacology, University Hospital Bonn, Bonn, Germany
| | - David Monchaud
- Institut de Chimie Moléculaire de l'Université de Bourgogne (ICMUB), CNRS UMR 6302, Université de Bourgogne, Dijon, France
| | - Stefan Juranek
- Department of Oncology, Hematology and Rheumatology, University Hospital Bonn, Bonn, Germany
| | - Katrin Paeschke
- Institute of Clinical Chemistry and Clinical Pharmacology, University Hospital Bonn, Bonn, Germany.
- Department of Oncology, Hematology and Rheumatology, University Hospital Bonn, Bonn, Germany.
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18
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Bu LL, Yuan HH, Xie LL, Guo MH, Liao DF, Zheng XL. New Dawn for Atherosclerosis: Vascular Endothelial Cell Senescence and Death. Int J Mol Sci 2023; 24:15160. [PMID: 37894840 PMCID: PMC10606899 DOI: 10.3390/ijms242015160] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2023] [Revised: 10/01/2023] [Accepted: 10/05/2023] [Indexed: 10/29/2023] Open
Abstract
Endothelial cells (ECs) form the inner linings of blood vessels, and are directly exposed to endogenous hazard signals and metabolites in the circulatory system. The senescence and death of ECs are not only adverse outcomes, but also causal contributors to endothelial dysfunction, an early risk marker of atherosclerosis. The pathophysiological process of EC senescence involves both structural and functional changes and has been linked to various factors, including oxidative stress, dysregulated cell cycle, hyperuricemia, vascular inflammation, and aberrant metabolite sensing and signaling. Multiple forms of EC death have been documented in atherosclerosis, including autophagic cell death, apoptosis, pyroptosis, NETosis, necroptosis, and ferroptosis. Despite this, the molecular mechanisms underlying EC senescence or death in atherogenesis are not fully understood. To provide a comprehensive update on the subject, this review examines the historic and latest findings on the molecular mechanisms and functional alterations associated with EC senescence and death in different stages of atherosclerosis.
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Affiliation(s)
- Lan-Lan Bu
- School of Pharmacy, Hunan University of Chinese Medicine, Changsha 410208, China; (L.-L.B.); (D.-F.L.)
| | - Huan-Huan Yuan
- College of Integrated Chinese and Western Medicine, Hunan University of Chinese Medicine, Changsha 410208, China; (H.-H.Y.); (L.-L.X.); (M.-H.G.)
| | - Ling-Li Xie
- College of Integrated Chinese and Western Medicine, Hunan University of Chinese Medicine, Changsha 410208, China; (H.-H.Y.); (L.-L.X.); (M.-H.G.)
- Departments of Biochemistry and Molecular Biology and Physiology and Pharmacology, Cumming School of Medicine, University of Calgary, Calgary, AB T2N 1N4, Canada
| | - Min-Hua Guo
- College of Integrated Chinese and Western Medicine, Hunan University of Chinese Medicine, Changsha 410208, China; (H.-H.Y.); (L.-L.X.); (M.-H.G.)
| | - Duan-Fang Liao
- School of Pharmacy, Hunan University of Chinese Medicine, Changsha 410208, China; (L.-L.B.); (D.-F.L.)
| | - Xi-Long Zheng
- Departments of Biochemistry and Molecular Biology and Physiology and Pharmacology, Cumming School of Medicine, University of Calgary, Calgary, AB T2N 1N4, Canada
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19
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Rossi GR, Jensen A, Ng S, Yin Z, Li A, Misra A, Von Hoff DD, Gruber L, Gruber M, Han H. Advanced glycation end product (AGE) targeting antibody SIWA318H is efficacious in preclinical models for pancreatic cancer. Sci Rep 2023; 13:16953. [PMID: 37805542 PMCID: PMC10560265 DOI: 10.1038/s41598-023-44211-6] [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: 07/11/2023] [Accepted: 10/05/2023] [Indexed: 10/09/2023] Open
Abstract
SIWA318H is a novel monoclonal antibody that selectively targets an advanced glycation end product biomarker found in damaged/dysfunctional cells exhibiting (a) aerobic glycolysis, and (b) oxidative stress. Cells with this biomarker are dysfunctional and are associated with stresses and/or damages relating to aging, cancer and other disease processes. In this study, we evaluated the biological effects and antitumor activity of SIWA318H in preclinical models for pancreatic cancer. SIWA318H binds to pancreatic cancer cells and cancer-associated fibroblasts, as well as tumor xenografts derived from pancreatic cancer patients. Furthermore, SIWA318H induced significant antibody-dependent cell-mediated cytotoxicity (ADCC) against pancreatic cancer cells. In a humanized CD34+ NSG mouse xenograft model for pancreatic cancer, tumors in mice treated with SIWA318H grew significantly slower compared to those in control mice (p < 0.001). After 3 weeks of treatment with SIWA318H, the tumor growth was suppressed by 68.8% and 61.5% for the high and low dose regimens, respectively, when compared to the isotype antibody control (ANOVA p < 0.002). Moreover, a significant increase in complete remission (CR) rate was observed in mice receiving the high dose (60%, p < 0.04) or low dose (77.8%, p < 0.02) of SIWA318H treatment compared with control mice (6.7%). Immunohistochemical analyses of the tumor tissues showed a significant decrease in senescent cells in the tumor microenvironment of SIWA318H treated mice compared to that of control treated mice (p < 0.05). These results provide compelling evidence that SIWA318H is a promising novel therapeutic against pancreatic cancer.
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Affiliation(s)
| | - Ashley Jensen
- Molecular Medicine Division, Translational Genomics Research Institute, Part of City of Hope, 445 N. Fifth St., Phoenix, AZ, 85004, USA
| | - Serina Ng
- Molecular Medicine Division, Translational Genomics Research Institute, Part of City of Hope, 445 N. Fifth St., Phoenix, AZ, 85004, USA
| | - Zhirong Yin
- Molecular Anatomical Pathology Cores & Biobanking Shared Resources, City of Hope, Duarte, CA, 91010, USA
| | - Aimin Li
- Molecular Anatomical Pathology Cores & Biobanking Shared Resources, City of Hope, Duarte, CA, 91010, USA
| | - Anjan Misra
- Molecular Anatomical Pathology Cores & Biobanking Shared Resources, City of Hope, Duarte, CA, 91010, USA
| | - Daniel D Von Hoff
- Molecular Medicine Division, Translational Genomics Research Institute, Part of City of Hope, 445 N. Fifth St., Phoenix, AZ, 85004, USA
| | | | | | - Haiyong Han
- Molecular Medicine Division, Translational Genomics Research Institute, Part of City of Hope, 445 N. Fifth St., Phoenix, AZ, 85004, USA.
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20
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Riegger J, Schoppa A, Ruths L, Haffner-Luntzer M, Ignatius A. Oxidative stress as a key modulator of cell fate decision in osteoarthritis and osteoporosis: a narrative review. Cell Mol Biol Lett 2023; 28:76. [PMID: 37777764 PMCID: PMC10541721 DOI: 10.1186/s11658-023-00489-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Accepted: 09/11/2023] [Indexed: 10/02/2023] Open
Abstract
During aging and after traumatic injuries, cartilage and bone cells are exposed to various pathophysiologic mediators, including reactive oxygen species (ROS), damage-associated molecular patterns, and proinflammatory cytokines. This detrimental environment triggers cellular stress and subsequent dysfunction, which not only contributes to the development of associated diseases, that is, osteoporosis and osteoarthritis, but also impairs regenerative processes. To counter ROS-mediated stress and reduce the overall tissue damage, cells possess diverse defense mechanisms. However, cellular antioxidative capacities are limited and thus ROS accumulation can lead to aberrant cell fate decisions, which have adverse effects on cartilage and bone homeostasis. In this narrative review, we address oxidative stress as a major driver of pathophysiologic processes in cartilage and bone, including senescence, misdirected differentiation, cell death, mitochondrial dysfunction, and impaired mitophagy by illustrating the consequences on tissue homeostasis and regeneration. Moreover, we elaborate cellular defense mechanisms, with a particular focus on oxidative stress response and mitophagy, and briefly discuss respective therapeutic strategies to improve cell and tissue protection.
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Affiliation(s)
- Jana Riegger
- Division for Biochemistry of Joint and Connective Tissue Diseases, Department of Orthopedics, Ulm University Medical Center, 89081, Ulm, Germany.
| | - Astrid Schoppa
- Institute of Orthopedic Research and Biomechanics, Ulm University Medical Center, 89081, Ulm, Germany
| | - Leonie Ruths
- Division for Biochemistry of Joint and Connective Tissue Diseases, Department of Orthopedics, Ulm University Medical Center, 89081, Ulm, Germany
| | - Melanie Haffner-Luntzer
- Institute of Orthopedic Research and Biomechanics, Ulm University Medical Center, 89081, Ulm, Germany
| | - Anita Ignatius
- Institute of Orthopedic Research and Biomechanics, Ulm University Medical Center, 89081, Ulm, Germany
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21
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Jain A, Casanova D, Padilla AV, Paniagua Bojorges A, Kotla S, Ko KA, Samanthapudi VSK, Chau K, Nguyen MTH, Wen J, Hernandez Gonzalez SL, Rodgers SP, Olmsted-Davis EA, Hamilton DJ, Reyes-Gibby C, Yeung SCJ, Cooke JP, Herrmann J, Chini EN, Xu X, Yusuf SW, Yoshimoto M, Lorenzi PL, Hobbs B, Krishnan S, Koutroumpakis E, Palaskas NL, Wang G, Deswal A, Lin SH, Abe JI, Le NT. Premature senescence and cardiovascular disease following cancer treatments: mechanistic insights. Front Cardiovasc Med 2023; 10:1212174. [PMID: 37781317 PMCID: PMC10540075 DOI: 10.3389/fcvm.2023.1212174] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Accepted: 08/03/2023] [Indexed: 10/03/2023] Open
Abstract
Cardiovascular disease (CVD) is a leading cause of morbidity and mortality, especially among the aging population. The "response-to-injury" model proposed by Dr. Russell Ross in 1999 emphasizes inflammation as a critical factor in atherosclerosis development, with atherosclerotic plaques forming due to endothelial cell (EC) injury, followed by myeloid cell adhesion and invasion into the blood vessel walls. Recent evidence indicates that cancer and its treatments can lead to long-term complications, including CVD. Cellular senescence, a hallmark of aging, is implicated in CVD pathogenesis, particularly in cancer survivors. However, the precise mechanisms linking premature senescence to CVD in cancer survivors remain poorly understood. This article aims to provide mechanistic insights into this association and propose future directions to better comprehend this complex interplay.
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Affiliation(s)
- Ashita Jain
- Department of Cardiology, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Diego Casanova
- Department of Cardiology, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | | | | | - Sivareddy Kotla
- Department of Cardiology, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Kyung Ae Ko
- Department of Cardiology, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | | | - Khanh Chau
- Department of Cardiovascular Sciences, Houston Methodist Research Institute, Houston, TX, United States
| | - Minh T. H. Nguyen
- Department of Cardiovascular Sciences, Houston Methodist Research Institute, Houston, TX, United States
| | - Jake Wen
- Department of Cardiology, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | | | - Shaefali P. Rodgers
- Department of Cardiovascular Sciences, Houston Methodist Research Institute, Houston, TX, United States
| | | | - Dale J. Hamilton
- Department of Medicine, Center for Bioenergetics, Houston Methodist Research Institute, Houston, TX, United States
| | - Cielito Reyes-Gibby
- Department of Emergency Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Sai-Ching J. Yeung
- Department of Emergency Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - John P. Cooke
- Department of Cardiovascular Sciences, Houston Methodist Research Institute, Houston, TX, United States
| | - Joerg Herrmann
- Cardio Oncology Clinic, Division of Preventive Cardiology, Department of Cardiovascular Medicine, Mayo Clinic, Rochester, MN, United States
| | - Eduardo N. Chini
- Department of Anesthesiology and Perioperative Medicine, Mayo Clinic, Jacksonville, FL, United States
| | - Xiaolei Xu
- Department of Cardiovascular Medicine, Mayo Clinic, Rochester, MN, United States
| | - Syed Wamique Yusuf
- Department of Cardiology, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Momoko Yoshimoto
- Center for Stem Cell & Regenerative Medicine, The University of Texas Health Science Center at Houston, Houston, TX, United States
| | - Philip L. Lorenzi
- Department of Bioinformatics and Computational Biology, Division of VP Research, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Brain Hobbs
- Department of Population Health, The University of Texas at Austin, Austin, TX, United States
| | - Sunil Krishnan
- Department of Neurosurgery, The University of Texas Health Science Center at Houston, Houston, TX, United States
| | - Efstratios Koutroumpakis
- Department of Cardiology, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Nicolas L. Palaskas
- Department of Cardiology, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Guangyu Wang
- Department of Cardiovascular Sciences, Houston Methodist Research Institute, Houston, TX, United States
| | - Anita Deswal
- Department of Cardiology, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Steven H. Lin
- Department of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Jun-ichi Abe
- Department of Cardiology, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Nhat-Tu Le
- Department of Cardiovascular Sciences, Houston Methodist Research Institute, Houston, TX, United States
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22
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Kwon MJ, Jung HS, Kang SM, Lee SH, Park JH. The Protective Effects of Eicosapentaenoic Acid for Stress-induced Accelerated Senescence in Vascular Endothelial Cells. Int J Med Sci 2023; 20:1479-1491. [PMID: 37790848 PMCID: PMC10542193 DOI: 10.7150/ijms.85224] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Accepted: 09/06/2023] [Indexed: 10/05/2023] Open
Abstract
Background: Eicosapentaenoic acid (EPA) is an omega-3 fatty acid that protects against cardiovascular diseases in patients with hypertriglyceridemia and may have pleotropic effects beyond lowering triglycerides. Many degenerative diseases, such as atherosclerosis and diabetes, are related to cellular senescence as a pathophysiological mechanism. We aimed to examine whether EPA could protect vascular endothelial cells under stress conditions against stress-induced accelerated senescence (SIAS). Methods: Cultured human umbilical vein endothelial cells (HUVECs) were exposed to H2O2 as oxidative stress and a high glucose concentration with palmitate as a glucolipotoxic condition. Changes in cell viability, apoptosis, lactate dehydrogenase release, and cell cycle analysis were measured by cell counting kit-8 assay, annexin V/ propidium iodide staining, and enzyme-linked immunosorbent assay, respectively. EPA was applied in stress conditions. The degree of senescence was measured by senescence-associated beta-galactosidase staining and p16 staining using immunofluorescence. Apoptosis and cellular senescence-related proteins were measured by Western blotting. Results: Cultured HUVECs under oxidative and glucolipotoxic stresses revealed accelerated senescence and increased apoptosis. These changes were markedly reversed by EPA administration, and the expressions of apoptosis and cellular senescence-related proteins were reversed by EPA treatment. Conclusion: EPA effectively protects HUVECs against SIAS, which may be one of its pleotrophic effects.
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Affiliation(s)
- Min Jeong Kwon
- Department of Internal Medicine, Busan Paik Hospital, College of Medicine, Inje University, Busan, South Korea
| | - Hye Sook Jung
- Paik Institute for Clinical Research, Inje University, Busan, South Korea
| | - Seon Mee Kang
- Department of Internal Medicine, Kangwon National University Hospital, School of Medicine, Kangwon National University, Chuncheon, South Korea
| | - Soon Hee Lee
- Department of Internal Medicine, Busan Paik Hospital, College of Medicine, Inje University, Busan, South Korea
| | - Jeong Hyun Park
- Department of Internal Medicine, Busan Paik Hospital, College of Medicine, Inje University, Busan, South Korea
- Paik Institute for Clinical Research, Inje University, Busan, South Korea
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23
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Wei L, Yang X, Wang J, Wang Z, Wang Q, Ding Y, Yu A. H3K18 lactylation of senescent microglia potentiates brain aging and Alzheimer's disease through the NFκB signaling pathway. J Neuroinflammation 2023; 20:208. [PMID: 37697347 PMCID: PMC10494370 DOI: 10.1186/s12974-023-02879-7] [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: 05/28/2023] [Accepted: 08/22/2023] [Indexed: 09/13/2023] Open
Abstract
Cellular senescence serves as a fundamental and underlying activity that drives the aging process, and it is intricately associated with numerous age-related diseases, including Alzheimer's disease (AD), a neurodegenerative aging-related disorder characterized by progressive cognitive impairment. Although increasing evidence suggests that senescent microglia play a role in the pathogenesis of AD, their exact role remains unclear. In this study, we quantified the levels of lactic acid in senescent microglia, and hippocampus tissues of naturally aged mice and AD mice models (FAD4T and APP/PS1). We found lactic acid levels were significantly elevated in these cells and tissues compared to their corresponding counterparts, which increased the level of pan histone lysine lactylation (Kla). We aslo identified all histone Kla sites in senescent microglia, and found that both the H3K18 lactylation (H3K18la) and Pan-Kla were significantly up-regulated in senescent microglia and hippocampus tissues of naturally aged mice and AD modeling mice. We demonstrated that enhanced H3K18la directly stimulates the NFκB signaling pathway by increasing binding to the promoter of Rela (p65) and NFκB1(p50), thereby upregulating senescence-associated secretory phenotype (SASP) components IL-6 and IL-8. Our study provides novel insights into the physiological function of Kla and the epigenetic regulatory mechanism that regulates brain aging and AD. Specifically, we have identified the H3K18la/NFκB axis as a critical player in this process by modulating IL-6 and IL-8. Targeting this axis may be a potential therapeutic strategy for delaying aging and AD by blunting SASP.
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Affiliation(s)
- Lin Wei
- Department of Clinical Laboratory, Hunan Provincial People's Hospital, Central Laboratory of Hunan Provincial People's Hospital, The First-Affiliated Hospital of Hunan Normal University, Changsha, 410000, China
- Hubei Key Laboratory of Embryonic Stem Cell Research, Department of Laboratory Medicine, Hubei University of Medicine, Taihe Hospital, The Affiliated Hospital of Hubei University of Medicine, Shiyan, 442000, China
| | - Xiaowen Yang
- Hubei Key Laboratory of Embryonic Stem Cell Research, Department of Laboratory Medicine, Hubei University of Medicine, Taihe Hospital, The Affiliated Hospital of Hubei University of Medicine, Shiyan, 442000, China
| | - Jie Wang
- Hubei Key Laboratory of Embryonic Stem Cell Research, Department of Laboratory Medicine, Hubei University of Medicine, Taihe Hospital, The Affiliated Hospital of Hubei University of Medicine, Shiyan, 442000, China
| | - Zhixiao Wang
- Hubei Key Laboratory of Embryonic Stem Cell Research, Department of Laboratory Medicine, Hubei University of Medicine, Taihe Hospital, The Affiliated Hospital of Hubei University of Medicine, Shiyan, 442000, China
| | - Qiguang Wang
- Hubei Key Laboratory of Embryonic Stem Cell Research, Department of Laboratory Medicine, Hubei University of Medicine, Taihe Hospital, The Affiliated Hospital of Hubei University of Medicine, Shiyan, 442000, China
| | - Yan Ding
- Hubei Key Laboratory of Embryonic Stem Cell Research, Department of Laboratory Medicine, Hubei University of Medicine, Taihe Hospital, The Affiliated Hospital of Hubei University of Medicine, Shiyan, 442000, China.
| | - Aiqing Yu
- Department of Clinical Laboratory, Hunan Provincial People's Hospital, Central Laboratory of Hunan Provincial People's Hospital, The First-Affiliated Hospital of Hunan Normal University, Changsha, 410000, China.
- Hubei Key Laboratory of Embryonic Stem Cell Research, Department of Laboratory Medicine, Hubei University of Medicine, Taihe Hospital, The Affiliated Hospital of Hubei University of Medicine, Shiyan, 442000, China.
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24
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Liu B, Meng Q, Gao X, Sun H, Xu Z, Wang Y, Zhou H. Lipid and glucose metabolism in senescence. Front Nutr 2023; 10:1157352. [PMID: 37680899 PMCID: PMC10481967 DOI: 10.3389/fnut.2023.1157352] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2023] [Accepted: 08/09/2023] [Indexed: 09/09/2023] Open
Abstract
Senescence is an inevitable biological process. Disturbances in glucose and lipid metabolism are essential features of cellular senescence. Given the important roles of these types of metabolism, we review the evidence for how key metabolic enzymes influence senescence and how senescence-related secretory phenotypes, autophagy, apoptosis, insulin signaling pathways, and environmental factors modulate glucose and lipid homeostasis. We also discuss the metabolic alterations in abnormal senescence diseases and anti-cancer therapies that target senescence through metabolic interventions. Our work offers insights for developing pharmacological strategies to combat senescence and cancer.
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Affiliation(s)
- Bin Liu
- Department of Urology II, The First Hospital of Jilin University, Changchun, Jilin, China
| | - Qingfei Meng
- Key Laboratory of Pathobiology, Ministry of Education, Jilin University, Changchun, Jilin, China
| | - Xin Gao
- Department of Urology II, The First Hospital of Jilin University, Changchun, Jilin, China
| | - Huihui Sun
- Key Laboratory of Pathobiology, Ministry of Education, Jilin University, Changchun, Jilin, China
| | - Zhixiang Xu
- Key Laboratory of Pathobiology, Ministry of Education, Jilin University, Changchun, Jilin, China
| | - Yishu Wang
- Key Laboratory of Pathobiology, Ministry of Education, Jilin University, Changchun, Jilin, China
| | - Honglan Zhou
- Department of Urology II, The First Hospital of Jilin University, Changchun, Jilin, China
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25
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Bernardo T, Kuntze A, Klein D, Heinzelmann F, Timmermann B, von Neubeck C. Endothelial Cell Response to Combined Photon or Proton Irradiation with Doxorubicin. Int J Mol Sci 2023; 24:12833. [PMID: 37629014 PMCID: PMC10454477 DOI: 10.3390/ijms241612833] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 07/31/2023] [Accepted: 08/01/2023] [Indexed: 08/27/2023] Open
Abstract
Surgery, radiotherapy, and chemotherapy are essential treatment modalities to target cancer cells, but they frequently cause damage to the normal tissue, potentially leading to side effects. As proton beam radiotherapy (PBT) can precisely spare normal tissue, this therapeutic option is of increasing importance regarding (neo-)adjuvant and definitive anti-cancer therapies. Akin to photon-based radiotherapy, PBT is often combined with systemic treatment, such as doxorubicin (Dox). This study compares the cellular response of human microvascular endothelial cells (HMEC-1) following irradiation with photons (X) or protons (H) alone and also in combination with different sequences of Dox. The cellular survival, cell cycle, apoptosis, proliferation, viability, morphology, and migration were all investigated. Dox monotreatment had minor effects on all endpoints. Both radiation qualities alone and in combination with longer Dox schedules significantly reduced clonogenic survival and proliferation, increased the apoptotic cell fraction, induced a longer G2/M cell cycle arrest, and altered the cell morphology towards endothelial-to-mesenchymal-transition (EndoMT) processes. Radiation quality effects were seen for metabolic viability, proliferation, and motility of HMEC-1 cells. Additive effects were found for longer Dox schedules. Overall, similar effects were found for H/H-Dox and X/X-Dox. Significant alterations between the radiation qualities indicate different but not worse endothelial cell damage by H/H-Dox.
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Affiliation(s)
- Teresa Bernardo
- Department of Particle Therapy, University Hospital Essen, University of Duisburg-Essen, 45147 Essen, Germany; (T.B.); (B.T.)
| | - Anna Kuntze
- Gerhard Domagk Institute of Pathology, University Hospital Muenster, 48149 Muenster, Germany;
| | - Diana Klein
- Institute of Cell Biology (Cancer Research), University Hospital Essen, University of Duisburg-Essen, 45147 Essen, Germany;
| | - Feline Heinzelmann
- West German Proton Therapy Centre Essen (WPE), 45147 Essen, Germany;
- West German Cancer Centre (WTZ), University Hospital Essen, University of Duisburg-Essen, 45147 Essen, Germany
- Faculty of Physics, Technical University (TU) Dortmund University, 44227 Dortmund, Germany
| | - Beate Timmermann
- Department of Particle Therapy, University Hospital Essen, University of Duisburg-Essen, 45147 Essen, Germany; (T.B.); (B.T.)
- West German Proton Therapy Centre Essen (WPE), 45147 Essen, Germany;
- West German Cancer Centre (WTZ), University Hospital Essen, University of Duisburg-Essen, 45147 Essen, Germany
- German Cancer Consortium (DKTK), 45147 Essen, Germany
| | - Cläre von Neubeck
- Department of Particle Therapy, University Hospital Essen, University of Duisburg-Essen, 45147 Essen, Germany; (T.B.); (B.T.)
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Le NT. Metabolic regulation of endothelial senescence. Front Cardiovasc Med 2023; 10:1232681. [PMID: 37649668 PMCID: PMC10464912 DOI: 10.3389/fcvm.2023.1232681] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Accepted: 07/18/2023] [Indexed: 09/01/2023] Open
Abstract
Endothelial cell (EC) senescence is increasingly recognized as a significant contributor to the development of vascular dysfunction and age-related disorders and diseases, including cancer and cardiovascular diseases (CVD). The regulation of cellular senescence is known to be influenced by cellular metabolism. While extensive research has been conducted on the metabolic regulation of senescence in other cells such as cancer cells and fibroblasts, our understanding of the metabolic regulation of EC senescence remains limited. The specific metabolic changes that drive EC senescence are yet to be fully elucidated. The objective of this review is to provide an overview of the intricate interplay between cellular metabolism and senescence, with a particular emphasis on recent advancements in understanding the metabolic changes preceding cellular senescence. I will summarize the current knowledge on the metabolic regulation of EC senescence, aiming to offer insights into the underlying mechanisms and future research directions.
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Affiliation(s)
- Nhat-Tu Le
- Center for Cardiovascular Regeneration, Department of Cardiovascular Sciences, Houston Methodist Research Institute, Houston, TX, United States
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Martins AD, Ribeiro JC, Ferreira R, Alves MG, Oliveira PF. Understanding the age-related alterations in the testis-specific proteome. Expert Rev Proteomics 2023; 20:331-343. [PMID: 37878493 DOI: 10.1080/14789450.2023.2274857] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2023] [Accepted: 10/12/2023] [Indexed: 10/27/2023]
Abstract
INTRODUCTION Fertility rates in developing countries have declined over the past decades, and the trend of delayed fatherhood is rising as societies develop. The reasons behind the decline in male fertility with advancing age remain mysterious, making it a compelling and crucial area for further research. However, the limited number of studies dedicated to unraveling this enigma poses a challenge. Thus, our objective is to illuminate some of the upregulated and downregulated mechanisms in the male testis during the aging process. AREAS COVERED Herein, we present a critical overview of the studies addressing the alterations of testicular proteome through the aging process, starting from sexually matured young males to end-of-life-expectancy aged males. The comparative studies of the proteomic testicular profile of men with and without spermatogenic impairment are also discussed and key proteins and pathways involved are highlighted. EXPERT OPINION The difficulty of making age-comparative studies, especially of advanced-age study subjects, makes this topic of study quite challenging. Another topic worth mentioning is the heterogeneous nature and vast cellular composition of testicular tissue, which makes proteome data interpretation tricky. The cell type sorting and comorbidities testing in the testicular tissue of the studied subjects would help mitigate these problems.
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Affiliation(s)
- Ana D Martins
- LAQV-REQUIMTE and Department of Chemistry, University of Aveiro, Aveiro, Portugal
| | - João C Ribeiro
- LAQV-REQUIMTE and Department of Chemistry, University of Aveiro, Aveiro, Portugal
- Unit for Multidisciplinary Research in Biomedicine (UMIB), Institute of Biomedical Sciences Abel Salazar (ICBAS), University of Porto, Porto, Portugal
- Laboratory for Integrative and Translational Research in Population Health (ITR), University of Porto, Porto, Portugal
| | - Rita Ferreira
- LAQV-REQUIMTE and Department of Chemistry, University of Aveiro, Aveiro, Portugal
| | - Marco G Alves
- iBiMED-Institute of Biomedicine, Department of Medical Sciences, University of Aveiro, Aveiro, Portugal
| | - Pedro F Oliveira
- LAQV-REQUIMTE and Department of Chemistry, University of Aveiro, Aveiro, Portugal
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Gerosa L, Malvandi AM, Malavolta M, Provinciali M, Lombardi G. Exploring cellular senescence in the musculoskeletal system: Any insights for biomarkers discovery? Ageing Res Rev 2023; 88:101943. [PMID: 37142059 DOI: 10.1016/j.arr.2023.101943] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2023] [Revised: 04/21/2023] [Accepted: 05/01/2023] [Indexed: 05/06/2023]
Abstract
The locomotor system comprises skeletal muscles and bones with active metabolism and cellular turnover. Chronic locomotor system disorders gradually arising with aging are inversely associated with the correct function of bone and muscles. Senescent cells appear more frequently in advanced ages or pathological conditions, and the accumulation of senescent cells in muscle tissue negatively correlates with muscle regeneration, which is crucial for maintaining strength and preventing frailty. Senescence in the bone microenvironment, osteoblasts, and osteocytes affects bone turnover favoring osteoporosis. It is likely that in response to injury and age-related damage over the lifetime, a subset of niche cells accumulates oxidative stress and DNA damage beyond the threshold that primes the onset of cellular senescence. These senescent cells may acquire resistance to apoptosis that, combined with the weakened immune system, results in impaired clearance of senescent cells and their accumulation. The secretory profile of senescent cells causes local inflammation, further spreading senescence in neighboring niche cells and impairing tissue homeostasis. The resulting impairment of turnover/tissue repair in the musculoskeletal system reduces the efficiency of the organ in response to environmental needs that finally lead to functional decline. Management of the musculoskeletal system at the cellular level can benefit the quality of life and reduce early aging. This work discusses current knowledge of cellular senescence of musculoskeletal tissues to conclude with biologically active biomarkers effective enough to reveal the underlying mechanisms of tissue flaws at the earliest possible.
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Affiliation(s)
- Laura Gerosa
- Laboratory of Experimental Biochemistry and Molecular Biology, IRCCS Istituto Ortopedico Galeazzi, Milano, Italy
| | - Amir Mohammad Malvandi
- Laboratory of Experimental Biochemistry and Molecular Biology, IRCCS Istituto Ortopedico Galeazzi, Milano, Italy.
| | - Marco Malavolta
- Advanced Technology Center for Aging Research, IRCCS INRCA, 60121 Ancona, Italy
| | - Mauro Provinciali
- Advanced Technology Center for Aging Research, IRCCS INRCA, 60121 Ancona, Italy
| | - Giovanni Lombardi
- Laboratory of Experimental Biochemistry and Molecular Biology, IRCCS Istituto Ortopedico Galeazzi, Milano, Italy; Department of Athletics, Strength and Conditioning, Poznań University of Physical Education, Poznań, Poland
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Kozlakidis Z, Shi P, Abarbanel G, Klein C, Sfera A. Recent Developments in Protein Lactylation in PTSD and CVD: Novel Strategies and Targets. BIOTECH 2023; 12:38. [PMID: 37218755 PMCID: PMC10204439 DOI: 10.3390/biotech12020038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2023] [Revised: 04/27/2023] [Accepted: 05/01/2023] [Indexed: 05/24/2023] Open
Abstract
In 1938, Corneille Heymans received the Nobel Prize in physiology for discovering that oxygen sensing in the aortic arch and carotid sinus was mediated by the nervous system. The genetics of this process remained unclear until 1991 when Gregg Semenza while studying erythropoietin, came upon hypoxia-inducible factor 1, for which he obtained the Nobel Prize in 2019. The same year, Yingming Zhao found protein lactylation, a posttranslational modification that can alter the function of hypoxia-inducible factor 1, the master regulator of cellular senescence, a pathology implicated in both post-traumatic stress disorder (PTSD) and cardiovascular disease (CVD). The genetic correlation between PTSD and CVD has been demonstrated by many studies, of which the most recent one utilizes large-scale genetics to estimate the risk factors for these conditions. This study focuses on the role of hypertension and dysfunctional interleukin 7 in PTSD and CVD, the former caused by stress-induced sympathetic arousal and elevated angiotensin II, while the latter links stress to premature endothelial cell senescence and early vascular aging. This review summarizes the recent developments and highlights several novel PTSD and CVD pharmacological targets. They include lactylation of histone and non-histone proteins, along with the related biomolecular actors such as hypoxia-inducible factor 1α, erythropoietin, acid-sensing ion channels, basigin, and Interleukin 7, as well as strategies to delay premature cellular senescence by telomere lengthening and resetting the epigenetic clock.
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Affiliation(s)
- Zisis Kozlakidis
- International Agency for Research on Cancer, World Health Organization (IARC/WHO), 69372 Lyon, France
| | - Patricia Shi
- Department of Psychiatry, Loma Linda University, Loma Linda, CA 92350, USA
| | - Ganna Abarbanel
- Patton State Hospital, University of California, Riverside, CA 92521, USA
| | | | - Adonis Sfera
- Patton State Hospital, University of California, Riverside, CA 92521, USA
- Department of Psychiatry, University of California, Riverside, CA 92521, USA
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Schlett JS, Mettang M, Skaf A, Schweizer P, Errerd A, Mulugeta EA, Hein TM, Tsesmelis K, Tsesmelis M, Büttner UFG, Wendt H, Abaei A, Rasche V, Prex V, Nespoli E, Alami NO, Tews D, Walther P, Yilmazer-Hanke D, Oswald F, Dimou L, Wirth T, Baumann B. NF-κB is a critical mediator of post-mitotic senescence in oligodendrocytes and subsequent white matter loss. Mol Neurodegener 2023; 18:24. [PMID: 37069623 PMCID: PMC10108549 DOI: 10.1186/s13024-023-00616-5] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Accepted: 03/25/2023] [Indexed: 04/19/2023] Open
Abstract
BACKGROUND Inflammaging represents an accepted concept where the immune system shifts to a low-grade chronic pro-inflammatory state without overt infection upon aging. In the CNS, inflammaging is mainly driven by glia cells and associated with neurodegenerative processes. White matter degeneration (WMD), a well-known process in the aging brain, manifests in myelin loss finally resulting in motor, sensory and cognitive impairments. Oligodendrocytes (OL) are responsible for homeostasis and maintenance of the myelin sheaths, which is a complex and highly energy demanding process sensitizing these cells to metabolic, oxidative and other forms of stress. Yet, the immediate impact of chronic inflammatory stress like inflammaging on OL homeostasis, myelin maintenance and WMD remains open. METHODS To functionally analyze the role of IKK/NF-κB signaling in the regulation of myelin homeostasis and maintenance in the adult CNS, we established a conditional mouse model allowing NF-κB activation in mature myelinating oligodendrocytes. IKK2-CAPLP-CreERT2 mice were characterized by biochemical, immunohistochemical, ultrastructural and behavioral analyses. Transcriptome data from isolated, primary OLs and microglia cells were explored by in silico pathway analysis and validated by complementary molecular approaches. RESULTS Chronic NF-κB activation in mature OLs leads to aggravated neuroinflammatory conditions phenocopying brain inflammaging. As a consequence, IKK2-CAPLP-CreERT2 mice showed specific neurological deficits and impaired motoric learning. Upon aging, persistent NF-κB signaling promotes WMD in these mice as ultrastructural analysis revealed myelination deficits in the corpus callosum accompanied by impaired myelin protein expression. RNA-Seq analysis of primary oligodendrocytes and microglia cells uncovers gene expression signatures associated with activated stress responses and increased post mitotic cellular senescence (PoMiCS) which was confirmed by elevated senescence-associated β-galactosidase activity and SASP gene expression profile. We identified an elevated integrated stress response (ISR) characterized by phosphorylation of eIF2α as a relevant molecular mechanism which is able to affect translation of myelin proteins. CONCLUSIONS Our findings demonstrate an essential role of IKK/NF-κB signaling in mature, post-mitotic OLs in regulating stress-induced senescence in these cells. Moreover, our study identifies PoMICS as an important driving force of age-dependent WMD as well as of traumatic brain injury induced myelin defects.
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Affiliation(s)
- Judith Stefanie Schlett
- Institute of Physiological Chemistry, Ulm University, Albert- Einstein-Allee 11, 89081, Ulm, Germany
| | - Melanie Mettang
- Institute of Physiological Chemistry, Ulm University, Albert- Einstein-Allee 11, 89081, Ulm, Germany
| | - Aladdin Skaf
- Molecular and Translational Neuroscience, Department of Neurology, University Medical Center Ulm, 89081, Ulm, Germany
| | - Pavel Schweizer
- Institute of Physiological Chemistry, Ulm University, Albert- Einstein-Allee 11, 89081, Ulm, Germany
| | - Alina Errerd
- Institute of Physiological Chemistry, Ulm University, Albert- Einstein-Allee 11, 89081, Ulm, Germany
| | | | - Tabea Melissa Hein
- Institute of Physiological Chemistry, Ulm University, Albert- Einstein-Allee 11, 89081, Ulm, Germany
| | - Konstantinos Tsesmelis
- Institute of Physiological Chemistry, Ulm University, Albert- Einstein-Allee 11, 89081, Ulm, Germany
| | - Miltiadis Tsesmelis
- Institute of Physiological Chemistry, Ulm University, Albert- Einstein-Allee 11, 89081, Ulm, Germany
| | - Ulrike F G Büttner
- Institute of Physiological Chemistry, Ulm University, Albert- Einstein-Allee 11, 89081, Ulm, Germany
| | - Heinrich Wendt
- Institute of Physiological Chemistry, Ulm University, Albert- Einstein-Allee 11, 89081, Ulm, Germany
| | - Alireza Abaei
- Core Facility Small Animal Imaging (CF-SANI), Ulm University, 89081, Ulm, Germany
| | - Volker Rasche
- Core Facility Small Animal Imaging (CF-SANI), Ulm University, 89081, Ulm, Germany
| | - Vivien Prex
- Institute of Physiological Chemistry, Ulm University, Albert- Einstein-Allee 11, 89081, Ulm, Germany
| | - Ester Nespoli
- Molecular and Translational Neuroscience, Department of Neurology, University Medical Center Ulm, 89081, Ulm, Germany
| | - Najwa Ouali Alami
- Institute of Clinical Neuroanatomy, Ulm University, Helmholtzstraße 8/1, 89081, Ulm, Germany
| | - Daniel Tews
- Core Facility Extracellular Flux Analyzer, Ulm University Medical Center, 89081, Ulm, Germany
| | - Paul Walther
- Central Facility for Electron Microscopy, Ulm University, 89081, Ulm, Germany
| | - Deniz Yilmazer-Hanke
- Institute of Clinical Neuroanatomy, Ulm University, Helmholtzstraße 8/1, 89081, Ulm, Germany
| | - Franz Oswald
- Department of Internal Medicine I, Center for Internal Medicine, University Medical Center Ulm, 89081, Ulm, Germany
| | - Leda Dimou
- Molecular and Translational Neuroscience, Department of Neurology, University Medical Center Ulm, 89081, Ulm, Germany
| | - Thomas Wirth
- Institute of Physiological Chemistry, Ulm University, Albert- Einstein-Allee 11, 89081, Ulm, Germany
| | - Bernd Baumann
- Institute of Physiological Chemistry, Ulm University, Albert- Einstein-Allee 11, 89081, Ulm, Germany.
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Martini H, Passos JF. Cellular senescence: all roads lead to mitochondria. FEBS J 2023; 290:1186-1202. [PMID: 35048548 PMCID: PMC9296701 DOI: 10.1111/febs.16361] [Citation(s) in RCA: 77] [Impact Index Per Article: 77.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Revised: 01/11/2022] [Accepted: 01/18/2022] [Indexed: 01/10/2023]
Abstract
Senescence is a multi-functional cell fate, characterized by an irreversible cell-cycle arrest and a pro-inflammatory phenotype, commonly known as the senescence-associated secretory phenotype (SASP). Emerging evidence indicates that accumulation of senescent cells in multiple tissues drives tissue dysfunction and several age-related conditions. This has spurred the academic community and industry to identify new therapeutic interventions targeting this process. Mitochondrial dysfunction is an often-unappreciated hallmark of cellular senescence which plays important roles not only in the senescence growth arrest but also in the development of the SASP and resistance to cell-death. Here, we review the evidence that supports a role for mitochondria in the development of senescence and describe the underlying mechanisms. Finally, we propose that a detailed road map of mitochondrial biology in senescence will be crucial to guide the future development of senotherapies.
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Affiliation(s)
- Hélène Martini
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, 55905 USA
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN, 55905 USA
| | - João F. Passos
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, 55905 USA
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN, 55905 USA
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Hallmarks and Biomarkers of Skin Senescence: An Updated Review of Skin Senotherapeutics. Antioxidants (Basel) 2023; 12:antiox12020444. [PMID: 36830002 PMCID: PMC9952625 DOI: 10.3390/antiox12020444] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2023] [Revised: 02/06/2023] [Accepted: 02/07/2023] [Indexed: 02/12/2023] Open
Abstract
Aging is a complex process characterized by an ongoing decline in physiological functions, leading to degenerative diseases and an increased probability of death. Cellular senescence has been typically considered as an anti-proliferative process; however, the chronic accumulation of senescent cells contributes to tissue dysfunction and aging. In this review, we discuss some of the most important hallmarks and biomarkers of cellular senescence with a special focus on skin biomarkers, reactive oxygen species (ROS), and senotherapeutic strategies to eliminate or prevent senescence. Although most of them are not exclusive to senescence, the expression of the senescence-associated beta-galactosidase (SA-β-gal) enzyme seems to be the most reliable biomarker for distinguishing senescent cells from those arrested in the cell cycle. The presence of a stable DNA damage response (DDR) and the accumulation of senescence-associated secretory phenotype (SASP) mediators and ROS are the most representative hallmarks for senescence. Senotherapeutics based on natural compounds such as quercetin, naringenin, and apigenin have shown promising results regarding SASP reduction. These compounds seem to prevent the accumulation of senescent cells, most likely through the inhibition of pro-survival signaling pathways. Although studies are still required to verify their short- and long-term effects, these therapies may be an effective strategy for skin aging.
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RRP Regulates Autophagy through the AMPK Pathway to Alleviate the Effect of Cell Senescence on Atherosclerosis. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2023; 2023:9645789. [PMID: 36756298 PMCID: PMC9902129 DOI: 10.1155/2023/9645789] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Revised: 01/09/2023] [Accepted: 01/17/2023] [Indexed: 02/01/2023]
Abstract
Autophagy is closely associated with atherosclerosis and other cardiovascular diseases (CVD). Compound Danshen prescription is widely used as a clinical antiatherosclerotic drug. In our previous studies, we have shown that the combined active component, ginsenoside Rg1-notoginsenoside R1-protocatechualdehyde (RRP), can effectively alleviate endothelial dysfunction and reduce atherosclerotic plaques. However, the association between cellular senescence, caused by reduced autophagy, and atherosclerosis remains unclear. In this study, we investigated whether RRP can enhance autophagy and alleviate cell senescence through the AMPK pathway. Our results showed that RRP reduced the secretion of inflammatory factors in the serum of atherosclerotic mice, enhanced autophagy, and alleviated aortic aging in mice, thus reducing atherosclerotic plaques. In human aortic endothelial cells (HAECs), RRP effectively enhanced autophagy and inhibited senescence by activating the AMPK pathway. When AMPKα was silenced, the effect of RRP was inhibited, thus reversing its antiaging effect. Overall, our results show that RRP regulates autophagy through the AMPK pathway, thereby inhibiting cell senescence and alleviating the progression of atherosclerosis, suggesting that RRP may be a potential candidate drug for the treatment of atherosclerosis.
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Manna S, Scheel J, Noone A, McElwain CJ, Scaife C, Gupta S, English J, McCarthy C, McCarthy FP. A proteomic profile of the healthy human placenta. Clin Proteomics 2023; 20:1. [PMID: 36593452 PMCID: PMC9808999 DOI: 10.1186/s12014-022-09388-4] [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: 08/01/2022] [Accepted: 12/09/2022] [Indexed: 01/04/2023] Open
Abstract
BACKGROUND The placenta remains one of the least studied organs within the human body. Yet, placental dysfunction has been associated with various pregnancy complications leading to both maternal and fetal death and long-term health consequences. The aim of this study was to characterise the protein networks of healthy term placental sub-anatomical regions using label free quantification mass spectrometry. METHODS Three healthy placentae were sampled at five sample sites and each biopsy was dissected into maternal-, middle-, and fetal- sub-anatomical regions. Quadrupole-orbitrap mass spectrometer was used in data dependant analysis mode to identify 1859 unique proteins before detailed differential expression between regions. RESULTS Protein profiling identified 1081, 1086, and 1101 proteins in maternal, middle, and fetal sub-anatomical regions respectively. Differentially expressed proteins were identified considering the effect between sample site location and sub-anatomical region on protein expression. Of these, 374 differentially expressed proteins (Two-way ANOVA adjusted p-value < 0.05, HSD Tukey adjusted p-value 0.05) were identified between sample site locations and sub-anatomical regions. The placenta specific disease map NaviCenta ( https://www.sbi.uni-rostock.de/minerva/index.xhtml?id=NaviCenta ) was used to focus functional analysis results to the placenta specific context. Subsequently, functional analysis with a focus on senescence, and mitochondrial function were performed. Significant differences were observed between sub-anatomical regions in protein intensity and composition. A decrease in anti-senescent proteins within the maternal sub-anatomical region, and an increase in proteins associated with a switch from ATP to fatty acid consumption as a source of energy between middle and fetal sub-anatomical regions were observed. CONCLUSION These results suggest that normal proteomic variations exist within the anatomical structure of the placenta, thus recommending serial sectioning methodology for consistent placental research.
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Affiliation(s)
- Samprikta Manna
- grid.411916.a0000 0004 0617 6269Department of Obstetrics and Gynaecology, Cork University Maternity Hospital, University College Cork, Cork, Ireland
| | - Julia Scheel
- grid.10493.3f0000000121858338Dept. of Systems Biology and Bioinformatics, University of Rostock, 18057 Rostock, Germany
| | - Aisling Noone
- grid.7872.a0000000123318773Department of Anatomy and Neuroscience, Western Gateway Building, University College Cork, Cork, Ireland
| | - Colm J. McElwain
- grid.7872.a0000000123318773Department of Pharmacology and Therapeutics, Western Gateway Building, University College Cork, Cork, Ireland
| | - Caitriona Scaife
- grid.7886.10000 0001 0768 2743UCD Conway Institute for Biomolecular and Biomedical Research, University College Dublin, Dublin, Ireland
| | - Shailendra Gupta
- grid.10493.3f0000000121858338Dept. of Systems Biology and Bioinformatics, University of Rostock, 18057 Rostock, Germany
| | - Jane English
- grid.512512.0INFANT Research Centre, Cork, Ireland ,grid.7872.a0000000123318773Department of Anatomy and Neuroscience, Western Gateway Building, University College Cork, Cork, Ireland
| | - Cathal McCarthy
- grid.7872.a0000000123318773Department of Pharmacology and Therapeutics, Western Gateway Building, University College Cork, Cork, Ireland
| | - Fergus P. McCarthy
- grid.411916.a0000 0004 0617 6269Department of Obstetrics and Gynaecology, Cork University Maternity Hospital, University College Cork, Cork, Ireland ,grid.512512.0INFANT Research Centre, Cork, Ireland
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Senescence-Associated Secretory Phenotype of Cardiovascular System Cells and Inflammaging: Perspectives of Peptide Regulation. Cells 2022; 12:cells12010106. [PMID: 36611900 PMCID: PMC9818427 DOI: 10.3390/cells12010106] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2022] [Revised: 12/23/2022] [Accepted: 12/24/2022] [Indexed: 12/28/2022] Open
Abstract
A senescence-associated secretory phenotype (SASP) and a mild inflammatory response characteristic of senescent cells (inflammaging) form the conditions for the development of cardiovascular diseases: atherosclerosis, coronary heart disease, and myocardial infarction. The purpose of the review is to analyze the pool of signaling molecules that form SASP and inflammaging in cells of the cardiovascular system and to search for targets for the action of vasoprotective peptides. The SASP of cells of the cardiovascular system is characterized by a change in the synthesis of anti-proliferative proteins (p16, p19, p21, p38, p53), cytokines characteristic of inflammaging (IL-1α,β, IL-4, IL-6, IL-8, IL-18, TNFα, TGFβ1, NF-κB, MCP), matrix metalloproteinases, adhesion molecules, and sirtuins. It has been established that peptides are physiological regulators of body functions. Vasoprotective polypeptides (liraglutide, atrial natriuretic peptide, mimetics of relaxin, Ucn1, and adropin), KED tripeptide, and AEDR tetrapeptide regulate the synthesis of molecules involved in inflammaging and SASP-forming cells of the cardiovascular system. This indicates the prospects for the development of drugs based on peptides for the treatment of age-associated cardiovascular pathology.
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Sun D, Chen S, Li S, Wang N, Zhang S, Xu L, Zhu S, Li H, Gu Q, Xu X, Wei F. Enhancement of glycolysis-dependent DNA repair regulated by FOXO1 knockdown via PFKFB3 attenuates hyperglycemia-induced endothelial oxidative stress injury. Redox Biol 2022; 59:102589. [PMID: 36577299 PMCID: PMC9803794 DOI: 10.1016/j.redox.2022.102589] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Revised: 12/14/2022] [Accepted: 12/23/2022] [Indexed: 12/26/2022] Open
Abstract
The accumulation of DNA damage induced by oxidative stress is a crucial pathogenic factor of endothelial loss in diabetic vascular complications, but it is still unknown whether aberrant glucose metabolism leads to defective DNA repair and accounts for hyperglycemia-induced endothelial oxidative stress injury. Here, we showed that Foxo1 knockdown alleviated diabetes-associated retinal DNA damage and vascular dysfunction. Mechanistically, FOXO1 knockdown avoided persistent DNA damage and cellular senescence under high glucose in endothelial cells by promoting DNA repair mediated by the MRN (MRE11-RAD50-NBS1 complex)-ATM pathway in response to oxidative stress injury. Moreover, FOXO1 knockdown mediated robust DNA repair by restoring glycolysis capacity under high glucose. During this process, the key glycolytic enzyme PFKFB3 was stimulated and, in addition to its promoting effect on glycolysis, directly participated in DNA repair. Under genotoxic stress, PFKFB3 relocated into oxidative stress-induced DNA damage sites and promoted DNA repair by interaction with the MRN-ATM pathway. Our study proposed that defective glycolysis-dependent DNA repair is present in diabetic endothelial cells and contributes to hyperglycemia-induced vascular dysfunction, which could provide novel therapeutic targets for diabetic vascular complications.
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Affiliation(s)
- Dandan Sun
- Department of Ophthalmology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200080, China,National Clinical Research Center for Eye Diseases, Shanghai Key Laboratory of Ocular Fundus Disease, Shanghai Engineering Center for Visual Science and Photo Medicine, Shanghai Engineering Center for Precise Diagnosis and Treatment of Eye Diseases, Shanghai, 200080, China
| | - Shimei Chen
- Department of Ophthalmology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200080, China,National Clinical Research Center for Eye Diseases, Shanghai Key Laboratory of Ocular Fundus Disease, Shanghai Engineering Center for Visual Science and Photo Medicine, Shanghai Engineering Center for Precise Diagnosis and Treatment of Eye Diseases, Shanghai, 200080, China
| | - Shenping Li
- Department of Ophthalmology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200080, China,National Clinical Research Center for Eye Diseases, Shanghai Key Laboratory of Ocular Fundus Disease, Shanghai Engineering Center for Visual Science and Photo Medicine, Shanghai Engineering Center for Precise Diagnosis and Treatment of Eye Diseases, Shanghai, 200080, China
| | - Ning Wang
- Department of Ophthalmology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200080, China,National Clinical Research Center for Eye Diseases, Shanghai Key Laboratory of Ocular Fundus Disease, Shanghai Engineering Center for Visual Science and Photo Medicine, Shanghai Engineering Center for Precise Diagnosis and Treatment of Eye Diseases, Shanghai, 200080, China
| | - Shuchang Zhang
- Department of Ophthalmology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200080, China,National Clinical Research Center for Eye Diseases, Shanghai Key Laboratory of Ocular Fundus Disease, Shanghai Engineering Center for Visual Science and Photo Medicine, Shanghai Engineering Center for Precise Diagnosis and Treatment of Eye Diseases, Shanghai, 200080, China
| | - Li Xu
- Department of Ophthalmology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200080, China,National Clinical Research Center for Eye Diseases, Shanghai Key Laboratory of Ocular Fundus Disease, Shanghai Engineering Center for Visual Science and Photo Medicine, Shanghai Engineering Center for Precise Diagnosis and Treatment of Eye Diseases, Shanghai, 200080, China
| | - Shaopin Zhu
- Department of Ophthalmology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200080, China,National Clinical Research Center for Eye Diseases, Shanghai Key Laboratory of Ocular Fundus Disease, Shanghai Engineering Center for Visual Science and Photo Medicine, Shanghai Engineering Center for Precise Diagnosis and Treatment of Eye Diseases, Shanghai, 200080, China
| | - Huiming Li
- Department of Ophthalmology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200080, China
| | - Qing Gu
- Department of Ophthalmology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200080, China,National Clinical Research Center for Eye Diseases, Shanghai Key Laboratory of Ocular Fundus Disease, Shanghai Engineering Center for Visual Science and Photo Medicine, Shanghai Engineering Center for Precise Diagnosis and Treatment of Eye Diseases, Shanghai, 200080, China
| | - Xun Xu
- Department of Ophthalmology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200080, China; National Clinical Research Center for Eye Diseases, Shanghai Key Laboratory of Ocular Fundus Disease, Shanghai Engineering Center for Visual Science and Photo Medicine, Shanghai Engineering Center for Precise Diagnosis and Treatment of Eye Diseases, Shanghai, 200080, China.
| | - Fang Wei
- Department of Ophthalmology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200080, China; National Clinical Research Center for Eye Diseases, Shanghai Key Laboratory of Ocular Fundus Disease, Shanghai Engineering Center for Visual Science and Photo Medicine, Shanghai Engineering Center for Precise Diagnosis and Treatment of Eye Diseases, Shanghai, 200080, China.
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Aminzadeh-Gohari S, Kofler B, Herzog C. Dietary restriction in senolysis and prevention and treatment of disease. Crit Rev Food Sci Nutr 2022; 64:5242-5268. [PMID: 36484738 PMCID: PMC7616065 DOI: 10.1080/10408398.2022.2153355] [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] [Indexed: 12/13/2022]
Abstract
Aging represents a key risk factor for a plethora of diseases. Targeting detrimental processes which occur during aging, especially before onset of age-related disease, could provide drastic improvements in healthspan. There is increasing evidence that dietary restriction (DR), including caloric restriction, fasting, or fasting-mimicking diets, extend both lifespan and healthspan. This has sparked interest in the use of dietary regimens as a non-pharmacological means to slow aging and prevent disease. Here, we review the current evidence on the molecular mechanisms underlying DR-induced health improvements, including removal of senescent cells, metabolic reprogramming, and epigenetic rejuvenation.
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Affiliation(s)
- Sepideh Aminzadeh-Gohari
- Research Program for Receptor Biochemistry and Tumor Metabollism, Department of Pediatrics, University Hospital of the Paracelsus Medical University, Salzburg, Austria
- European Translational Oncology Prevention and Screening Institute, Universität Innsbruck, Innsbruck, Austria
- Research Institute for Biomedical Ageing, Universität Innsbruck, Innsbruck, Austria
| | - Barbara Kofler
- Research Program for Receptor Biochemistry and Tumor Metabollism, Department of Pediatrics, University Hospital of the Paracelsus Medical University, Salzburg, Austria
| | - Chiara Herzog
- European Translational Oncology Prevention and Screening Institute, Universität Innsbruck, Innsbruck, Austria
- Research Institute for Biomedical Ageing, Universität Innsbruck, Innsbruck, Austria
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Vellasamy DM, Lee SJ, Goh KW, Goh BH, Tang YQ, Ming LC, Yap WH. Targeting Immune Senescence in Atherosclerosis. Int J Mol Sci 2022; 23:13059. [PMID: 36361845 PMCID: PMC9658319 DOI: 10.3390/ijms232113059] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Revised: 10/07/2022] [Accepted: 10/10/2022] [Indexed: 10/29/2023] Open
Abstract
Atherosclerosis is one of the main underlying causes of cardiovascular diseases (CVD). It is associated with chronic inflammation and intimal thickening as well as the involvement of multiple cell types including immune cells. The engagement of innate or adaptive immune response has either athero-protective or atherogenic properties in exacerbating or alleviating atherosclerosis. In atherosclerosis, the mechanism of action of immune cells, particularly monocytes, macrophages, dendritic cells, and B- and T-lymphocytes have been discussed. Immuno-senescence is associated with aging, viral infections, genetic predispositions, and hyperlipidemia, which contribute to atherosclerosis. Immune senescent cells secrete SASP that delays or accelerates atherosclerosis plaque growth and associated pathologies such as aneurysms and coronary artery disease. Senescent cells undergo cell cycle arrest, morphological changes, and phenotypic changes in terms of their abundances and secretome profile including cytokines, chemokines, matrix metalloproteases (MMPs) and Toll-like receptors (TLRs) expressions. The senescence markers are used in therapeutics and currently, senolytics represent one of the emerging treatments where specific targets and clearance of senescent cells are being considered as therapy targets for the prevention or treatment of atherosclerosis.
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Affiliation(s)
- Danusha Michelle Vellasamy
- School of Biosciences, Faculty of Medical and Health Sciences, Taylor’s University, Subang Jaya 47500, Malaysia
| | - Sin-Jye Lee
- School of Biosciences, Faculty of Medical and Health Sciences, Taylor’s University, Subang Jaya 47500, Malaysia
| | - Khang Wen Goh
- Faculty of Data Science and Information Technology, INTI International University, Nilai 71800, Malaysia
| | - Bey-Hing Goh
- Biofunctional Molecule Exploratory (BMEX) Research Group, School of Pharmacy, Monash University Malaysia, Bandar Sunway 47500, Malaysia
- College of Pharmaceutical Sciences, Zhejiang University, 866 Yuhangtang Road, Hangzhou 310058, China
| | - Yin-Quan Tang
- School of Biosciences, Faculty of Medical and Health Sciences, Taylor’s University, Subang Jaya 47500, Malaysia
- Centre for Drug Discovery and Molecular Pharmacology, Faculty of Medical and Health Sciences, Taylor’s University, Subang Jaya 47500, Malaysia
| | - Long Chiau Ming
- PAP Rashidah Sa’adatul Bolkiah Institute of Health Sciences, Universiti Brunei Darussalam, Gadong BE1410, Brunei
| | - Wei Hsum Yap
- School of Biosciences, Faculty of Medical and Health Sciences, Taylor’s University, Subang Jaya 47500, Malaysia
- Centre for Drug Discovery and Molecular Pharmacology, Faculty of Medical and Health Sciences, Taylor’s University, Subang Jaya 47500, Malaysia
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Repurposing SGLT-2 Inhibitors to Target Aging: Available Evidence and Molecular Mechanisms. Int J Mol Sci 2022; 23:ijms232012325. [PMID: 36293181 PMCID: PMC9604287 DOI: 10.3390/ijms232012325] [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: 09/23/2022] [Revised: 10/04/2022] [Accepted: 10/13/2022] [Indexed: 11/13/2022] Open
Abstract
Caloric restriction promotes longevity in multiple animal models. Compounds modulating nutrient-sensing pathways have been suggested to reproduce part of the beneficial effect of caloric restriction on aging. However, none of the commonly studied caloric restriction mimetics actually produce a decrease in calories. Sodium-glucose cotransporter 2 inhibitors (SGLT2-i) are a class of drugs which lower glucose by promoting its elimination through urine, thus inducing a net loss of calories. This effect promotes a metabolic shift at the systemic level, fostering ketones and fatty acids utilization as glucose-alternative substrates, and is accompanied by a modulation of major nutrient-sensing pathways held to drive aging, e.g., mTOR and the inflammasome, overall resembling major features of caloric restriction. In addition, preliminary experimental data suggest that SGLT-2i might also have intrinsic activities independent of their systemic effects, such as the inhibition of cellular senescence. Consistently, evidence from both preclinical and clinical studies have also suggested a marked ability of SGLT-2i to ameliorate low-grade inflammation in humans, a relevant driver of aging commonly referred to as inflammaging. Considering also the amount of data from clinical trials, observational studies, and meta-analyses suggesting a tangible effect on age-related outcomes, such as cardiovascular diseases, heart failure, kidney disease, and all-cause mortality also in patients without diabetes, here we propose a framework where at least part of the benefit provided by SGLT-2i is mediated by their ability to blunt the drivers of aging. To support this postulate, we synthesize available data relative to the effect of this class on: 1- animal models of healthspan and lifespan; 2- selected molecular pillars of aging in preclinical models; 3- biomarkers of aging and especially inflammaging in humans; and 4- COVID-19-related outcomes. The burden of evidence might prompt the design of studies testing the potential employment of this class as anti-aging drugs.
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40
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Interplay between fat cells and immune cells in bone: Impact on malignant progression and therapeutic response. Pharmacol Ther 2022; 238:108274. [DOI: 10.1016/j.pharmthera.2022.108274] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2022] [Revised: 08/11/2022] [Accepted: 08/23/2022] [Indexed: 11/20/2022]
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Rovira M, Sereda R, Pladevall‐Morera D, Ramponi V, Marin I, Maus M, Madrigal‐Matute J, Díaz A, García F, Muñoz J, Cuervo AM, Serrano M. The lysosomal proteome of senescent cells contributes to the senescence secretome. Aging Cell 2022; 21:e13707. [PMID: 36087066 PMCID: PMC9577959 DOI: 10.1111/acel.13707] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Revised: 08/01/2022] [Accepted: 08/13/2022] [Indexed: 01/31/2023] Open
Abstract
Senescent cells accumulate in tissues over time, favoring the onset and progression of multiple age-related diseases. Senescent cells present a remarkable increase in lysosomal mass and elevated autophagic activity. Here, we report that two main autophagic pathways macroautophagy (MA) and chaperone-mediated autophagy (CMA) are constitutively upregulated in senescent cells. Proteomic analyses of the subpopulations of lysosomes preferentially engaged in each of these types of autophagy revealed profound quantitative and qualitative changes in senescent cells, affecting both lysosomal resident proteins and cargo proteins delivered to lysosomes for degradation. These studies have led us to identify resident lysosomal proteins that are highly augmented in senescent cells and can be used as novel markers of senescence, such as arylsulfatase ARSA. The abundant secretome of senescent cells, known as SASP, is considered their main pathological mediator; however, little is known about the mechanisms of SASP secretion. Some secretory cells, including melanocytes, use the small GTPase RAB27A to perform lysosomal secretion. We found that this process is exacerbated in the case of senescent melanoma cells, as revealed by the exposure of lysosomal membrane integral proteins LAMP1 and LAMP2 in their plasma membrane. Interestingly, a subset of SASP components, including cytokines CCL2, CCL3, CXCL12, cathepsin CTSD, or the protease inhibitor SERPINE1, are secreted in a RAB27A-dependent manner in senescent melanoma cells. Finally, proteins previously identified as plasma biomarkers of aging are highly enriched in the lysosomes of senescent cells, including CTSD. We conclude that the lysosomal proteome of senescent cells is profoundly reconfigured, and that some senescent cells can be highly active in lysosomal exocytosis.
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Affiliation(s)
- Miguel Rovira
- Cellular Plasticity and Disease GroupInstitute for Research in Biomedicine (IRB Barcelona), Barcelona Institute of Science and Technology (BIST)BarcelonaSpain
| | - Rebecca Sereda
- Department of Developmental and Molecular BiologyAlbert Einstein College of MedicineNew YorkNew YorkUSA
- Institute for Aging StudiesAlbert Einstein College of MedicineNew YorkNew YorkUSA
| | - David Pladevall‐Morera
- Department of Cellular and Molecular Medicine, Center for Chromosome Stability and Center for Healthy AgingUniversity of CopenhagenCopenhagenDenmark
| | - Valentina Ramponi
- Cellular Plasticity and Disease GroupInstitute for Research in Biomedicine (IRB Barcelona), Barcelona Institute of Science and Technology (BIST)BarcelonaSpain
| | - Ines Marin
- Cellular Plasticity and Disease GroupInstitute for Research in Biomedicine (IRB Barcelona), Barcelona Institute of Science and Technology (BIST)BarcelonaSpain
| | - Mate Maus
- Cellular Plasticity and Disease GroupInstitute for Research in Biomedicine (IRB Barcelona), Barcelona Institute of Science and Technology (BIST)BarcelonaSpain
| | - Julio Madrigal‐Matute
- Department of Developmental and Molecular BiologyAlbert Einstein College of MedicineNew YorkNew YorkUSA
- Institute for Aging StudiesAlbert Einstein College of MedicineNew YorkNew YorkUSA
- Instituto Biomédico de Nutrición y SaludEldaSpain
| | - Antonio Díaz
- Department of Developmental and Molecular BiologyAlbert Einstein College of MedicineNew YorkNew YorkUSA
- Institute for Aging StudiesAlbert Einstein College of MedicineNew YorkNew YorkUSA
| | - Fernando García
- Proteomics UnitSpanish National Cancer Research Center (CNIO)MadridSpain
| | - Javier Muñoz
- Proteomics UnitSpanish National Cancer Research Center (CNIO)MadridSpain
- Biocruces Bizkaia Health Research InstituteBarakaldoSpain
- Ikerbasque, Basque Foundation for ScienceBilbaoSpain
| | - Ana María Cuervo
- Department of Developmental and Molecular BiologyAlbert Einstein College of MedicineNew YorkNew YorkUSA
- Institute for Aging StudiesAlbert Einstein College of MedicineNew YorkNew YorkUSA
| | - Manuel Serrano
- Cellular Plasticity and Disease GroupInstitute for Research in Biomedicine (IRB Barcelona), Barcelona Institute of Science and Technology (BIST)BarcelonaSpain
- Catalan Institution for Research and Advanced Studies (ICREA)BarcelonaSpain
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Luís C, Maduro AT, Pereira P, Mendes JJ, Soares R, Ramalho R. Nutritional senolytics and senomorphics: Implications to immune cells metabolism and aging – from theory to practice. Front Nutr 2022; 9:958563. [PMID: 36159455 PMCID: PMC9493043 DOI: 10.3389/fnut.2022.958563] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Accepted: 08/16/2022] [Indexed: 11/28/2022] Open
Abstract
Aging is a natural physiological process, but one that poses major challenges in an increasingly aging society prone to greater health risks such as diabetes, cardiovascular disease, cancer, frailty, increased susceptibility to infection, and reduced response to vaccine regimens. The loss of capacity for cell regeneration and the surrounding tissue microenvironment itself is conditioned by genetic, metabolic, and even environmental factors, such as nutrition. The senescence of the immune system (immunosenescence) represents a challenge, especially when associated with the presence of age-related chronic inflammation (inflammaging) and affecting the metabolic programming of immune cells (immunometabolism). These aspects are linked to poorer health outcomes and therefore present an opportunity for host-directed interventions aimed at both eliminating senescent cells and curbing the underlying inflammation. Senotherapeutics are a class of drugs and natural products that delay, prevent, or reverse the senescence process – senolytics; or inhibit senescence-associated secretory phenotype – senomorphics. Natural senotherapeutics from food sources – nutritional senotherapeutics – may constitute an interesting way to achieve better age-associated outcomes through personalized nutrition. In this sense, the authors present herein a framework of nutritional senotherapeutics as an intervention targeting immunosenescence and immunometabolism, identifying research gaps in this area, and gathering information on concluded and ongoing clinical trials on this subject. Also, we present future directions and ideation for future clinical possibilities in this field.
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Affiliation(s)
- Carla Luís
- Department of Biomedicine, Faculdade de Medicina da Universidade do Porto, Porto, Portugal
- i3S – Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto, Portugal
| | - Ana T. Maduro
- Department of Biomedicine, Faculdade de Medicina da Universidade do Porto, Porto, Portugal
- i3S – Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto, Portugal
| | - Paula Pereira
- Nutritional Immunology – Clinical and Experimental Lab (NICE Lab), Clinical Research Unit, Centro de Investigação Interdisciplinar Egas Moniz (CiiEM, U4585 FCT), Egas Moniz Higher Education School, Monte de Caparica, Portugal
- Applied Nutrition Study Group (Grupo de Estudos em Nutrição Aplicada – G.E.N.A.-IUEM), Egas Moniz Higher Education School, Monte de Caparica, Portugal
- Instituto Universitário Egas Moniz, Egas Moniz Higher Education School, Monte de Caparica, Portugal
| | - José João Mendes
- Nutritional Immunology – Clinical and Experimental Lab (NICE Lab), Clinical Research Unit, Centro de Investigação Interdisciplinar Egas Moniz (CiiEM, U4585 FCT), Egas Moniz Higher Education School, Monte de Caparica, Portugal
- Instituto Universitário Egas Moniz, Egas Moniz Higher Education School, Monte de Caparica, Portugal
| | - Raquel Soares
- Department of Biomedicine, Faculdade de Medicina da Universidade do Porto, Porto, Portugal
- i3S – Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto, Portugal
| | - Renata Ramalho
- Nutritional Immunology – Clinical and Experimental Lab (NICE Lab), Clinical Research Unit, Centro de Investigação Interdisciplinar Egas Moniz (CiiEM, U4585 FCT), Egas Moniz Higher Education School, Monte de Caparica, Portugal
- Applied Nutrition Study Group (Grupo de Estudos em Nutrição Aplicada – G.E.N.A.-IUEM), Egas Moniz Higher Education School, Monte de Caparica, Portugal
- Instituto Universitário Egas Moniz, Egas Moniz Higher Education School, Monte de Caparica, Portugal
- *Correspondence: Renata Ramalho,
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Bertelli PM, Pedrini E, Hughes D, McDonnell S, Pathak V, Peixoto E, Guduric-Fuchs J, Stitt AW, Medina RJ. Long term high glucose exposure induces premature senescence in retinal endothelial cells. Front Physiol 2022; 13:929118. [PMID: 36091370 PMCID: PMC9459081 DOI: 10.3389/fphys.2022.929118] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Accepted: 07/22/2022] [Indexed: 01/10/2023] Open
Abstract
Purpose: Features of cellular senescence have been described in diabetic retinal vasculature. The aim of this study was to investigate how the high glucose microenvironment impacts on the senescence program of retinal endothelial cells. Methods: Human retinal microvascular endothelial cells were cultured under control and high glucose conditions of 5 mM and 25 mM D-glucose, respectively. Isomeric l-glucose was used as the osmotic control. Cells were counted using CASY technology until they reached their Hayflick limit. Senescence-associated β-Galactosidase was used to identify senescent cells. Endothelial cell functionality was evaluated by the clonogenic, 3D tube formation, and barrier formation assays. Cell metabolism was characterized using the Seahorse Bioanalyzer. Gene expression analysis was performed by bulk RNA sequencing. Retinal tissues from db/db and db/+ mice were evaluated for the presence of senescent cells. Publicly available scRNA-sequencing data for retinas from Akimba and control mice was used for gene set enrichment analysis. Results: Long term exposure to 25 mM D-Glucose accelerated the establishment of cellular senescence in human retinal endothelial cells when compared to 5 mM D-glucose and osmotic controls. This was shown from 4 weeks, by a significant slower growth, higher percentages of cells positive for senescence-associated β-galactosidase, an increase in cell size, and lower expression of pRb and HMGB2. These senescence features were associated with decreased clonogenic capacity, diminished tubulogenicity, and impaired barrier function. Long term high glucose-cultured cells exhibited diminished glycolysis, with lower protein expression of GLUT1, GLUT3, and PFKFB3. Transcriptomic analysis, after 4 weeks of culture, identified downregulation of ALDOC, PFKL, and TPI1, in cells cultured with 25 mM D-glucose when compared to controls. The retina from db/db mice showed a significant increase in acellular capillaries associated with a significant decrease in vascular density in the intermediate and deep retinal plexuses, when compared to db/+ mice. Senescent endothelial cells within the db/db retinal vasculature were identified by senescence-associated β-galactosidase staining. Analysis of single cell transcriptomics data for the Akimba mouse retina highlighted an enrichment of senescence and senescence-associated secretory phenotype gene signatures when compared to control mice. Conclusion: A diabetic-like microenvironment of 25 mM D-glucose was sufficient to accelerate the establishment of cellular senescence in human retinal microvascular endothelial cells.
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Affiliation(s)
| | | | | | | | | | | | | | | | - Reinhold J. Medina
- Wellcome-Wolfson Institute for Experimental Medicine, School of Medicine, Dentistry, and Biomedical Sciences, Faculty of Medicine, Health, and Life Sciences, Queen’s University Belfast, Belfast, United Kingdom
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Deterioration in the Quality of Recalcitrant Quercus robur Seeds during Six Months of Storage at Subzero Temperatures: Ineffective Activation of Prosurvival Mechanisms and Evidence of Freezing Stress from an Untargeted Metabolomic Study. Metabolites 2022; 12:metabo12080756. [PMID: 36005628 PMCID: PMC9413681 DOI: 10.3390/metabo12080756] [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: 07/19/2022] [Revised: 08/09/2022] [Accepted: 08/15/2022] [Indexed: 11/25/2022] Open
Abstract
Pedunculate oak (Quercus robur L.) is an economically important forest-forming species in Poland that produces seeds that are sensitive to desiccation; therefore, short-lived seeds are classified as recalcitrant. Such seeds display active metabolism throughout storage. Acorns stored under controlled conditions (moisture content of 40%, temperature −3 °C) maintain viability for up to 1.5–2 years. Meanwhile, oaks only produce large numbers of seeds every few years during so-called mast years. This results in a scarcity of good-quality seeds for continuous nursery production and restoration. The recalcitrant storage behavior and the requirements of foresters make it necessary to develop a new protocol for longer acorn storage at lower temperatures. Two storage temperatures were tested: −3 °C (currently used in forest practice) and −7 °C. Our results showed that acorns stored for six months exhibited deterioration and reduced germination capacity, as well as reduced seedling performance, particularly when acorns were stored at −7 °C. To elucidate the decrease in quality during storage, an untargeted metabolomics study was performed for the first time and supported with the analysis of carbohydrates and percentages of carbon (C) and nitrogen (N). Embryonic axes were characterized by a lower C:N ratio and higher hydration. A total of 1985 metabolites were detected, and 303 were successfully identified and quantified, revealing 44 known metabolites that displayed significantly up- or downregulated abundance. We demonstrated for the first time that the significant deterioration of seed germination potential, particularly in seeds stored at −7 °C, was accompanied by an increased abundance of phenolic compounds and carbohydrates but also amino acids and phosphorylated monosaccharides, particularly in the embryonic axes. The increased abundance of defense-related metabolites (1,2,4-Benzenetriol; BTO), products of ascorbic acid degradation (threonic and isothreonic acid), as well as antifreezing compounds (sugar alcohols, predominantly threitol), was reported in seed stored at −7 °C. We hypothesize that seed deterioration was caused by freezing stress experienced during six months of storage at −7 °C, a decline in antioxidative potential and the unsuccessful rerouting of the energy-production pathways. Additionally, our data are a good example of the application of high-throughput metabolomic tools in forest management.
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Li L, Wang M, Ma Q, Ye J, Sun G. Role of glycolysis in the development of atherosclerosis. Am J Physiol Cell Physiol 2022; 323:C617-C629. [DOI: 10.1152/ajpcell.00218.2022] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Atherosclerosis is a chronic inflammatory vascular disease associated with atherosclerotic plaques and endothelial dysfunction, inflammation, and plaque formation. Glycolysis is a conservative and rigorous biological process that decomposes glucose into pyruvate. Its function is to provide the body with energy and intermediate products required for life activities. However, abnormalities in glycolytic flux during the progression of atherosclerosis accelerate disease progression. Here, we review the role of glycolysis in the development of atherosclerosis to provide new ideas for developing novel anti-atherosclerosis strategies.
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Affiliation(s)
- Lanfang Li
- Institute of Medicinal Plant Development, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, China
| | - Min Wang
- Institute of Medicinal Plant Development, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, China
| | - Qiuxiao Ma
- Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Jingxue Ye
- Institute of Medicinal Plant Development, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, China
| | - Guibo Sun
- Institute of Medicinal Plant Development, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, China
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Oxidative Glucose Metabolism Promotes Senescence in Vascular Endothelial Cells. Cells 2022; 11:cells11142213. [PMID: 35883656 PMCID: PMC9322806 DOI: 10.3390/cells11142213] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2022] [Revised: 07/05/2022] [Accepted: 07/13/2022] [Indexed: 11/21/2022] Open
Abstract
Vascular aging is based on the development of endothelial dysfunction, which is thought to be promoted by senescent cells accumulating in aged tissues and is possibly affected by their environment via inflammatory mediators and oxidative stress. Senescence appears to be closely interlinked with changes in cell metabolism. Here, we describe an upregulation of both glycolytic and oxidative glucose metabolism in replicative senescent endothelial cells compared to young endothelial cells by employing metabolic profiling and glucose flux measurements and by analyzing the expression of key metabolic enzymes. Senescent cells exhibit higher glycolytic activity and lactate production together with an enhanced expression of lactate dehydrogenase A as well as increases in tricarboxylic acid cycle activity and mitochondrial respiration. The latter is likely due to the reduced expression of pyruvate dehydrogenase kinases (PDHKs) in senescent cells, which may lead to increased activity of the pyruvate dehydrogenase complex. Cellular and mitochondrial ATP production were elevated despite signs of mitochondrial dysfunction, such as an increased production of reactive oxygen species and extended mitochondrial mass. A shift from glycolytic to oxidative glucose metabolism induced by pharmacological inhibition of PDHKs in young endothelial cells resulted in premature senescence, suggesting that alterations in cellular glucose metabolism may act as a driving force for senescence in endothelial cells.
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Zhou FQ. Pyruvate as a Potential Beneficial Anion in Resuscitation Fluids. Front Med (Lausanne) 2022; 9:905978. [PMID: 35991638 PMCID: PMC9382911 DOI: 10.3389/fmed.2022.905978] [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: 03/29/2022] [Accepted: 06/15/2022] [Indexed: 12/02/2022] Open
Abstract
There have been ongoing debates about resuscitation fluids because each of the current fluids has its own disadvantages. The debates essentially reflect an embarrassing clinical status quo that all fluids are not quite ideal in most clinical settings. Therefore, a novel fluid that overcomes the limitations of most fluids is necessary for most patients, particularly diabetic and older patients. Pyruvate is a natural potent antioxidant/nitrosative and anti-inflammatory agent. Exogenous pyruvate as an alkalizer can increase cellular hypoxia and anoxia tolerance with the preservation of classic glycolytic pathways and the reactivation of pyruvate dehydrogenase activity to promote oxidative metabolism and reverse the Warburg effect, robustly preventing and treating hypoxic lactic acidosis, which is one of the fatal complications in critically ill patients. In animal studies and clinical reports, pyruvate has been shown to play a protective role in multi-organ functions, especially the heart, brain, kidney, and intestine, demonstrating a great potential to improve patient survival. Pyruvate-enriched fluids including crystalloids and colloids and oral rehydration solution (ORS) may be ideal due to the unique beneficial properties of pyruvate relative to anions in contemporary existing fluids, such as acetate, bicarbonate, chloride, citrate, lactate, and even malate. Preclinical studies have demonstrated that pyruvate-enriched saline is superior to 0.9% sodium chloride. Moreover, pyruvate-enriched Ringer’s solution is advantageous over lactated Ringer’s solution. Furthermore, pyruvate as a carrier in colloids, such as hydroxyethyl starch 130/0.4, is more beneficial than its commercial counterparts. Similarly, pyruvate-enriched ORS is more favorable than WHO-ORS in organ protection and shock resuscitation. It is critical that pay attention first to improving abnormal saline with pyruvate for ICU patients. Many clinical trials with a high dose of intravenous or oral pyruvate were conducted over the past half century, and results indicated its effectiveness and safety in humans. The long-term instability of pyruvate aqueous solutions and para-pyruvate cytotoxicity is not a barrier to the pharmaceutical manufacturing of pyruvate-enriched fluids for ICU patients. Clinical trials with sodium pyruvate-enriched solutions are urgently warranted.
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Abstract
Infection with SARS-CoV-2, the causative agent of the COVID-19 pandemic, originated in China and quickly spread across the globe. Despite tremendous economic and healthcare devastation, research on this virus has contributed to a better understanding of numerous molecular pathways, including those involving γ-aminobutyric acid (GABA), that will positively impact medical science, including neuropsychiatry, in the post-pandemic era. SARS-CoV-2 primarily enters the host cells through the renin–angiotensin system’s component named angiotensin-converting enzyme-2 (ACE-2). Among its many functions, this protein upregulates GABA, protecting not only the central nervous system but also the endothelia, the pancreas, and the gut microbiota. SARS-CoV-2 binding to ACE-2 usurps the neuronal and non-neuronal GABAergic systems, contributing to the high comorbidity of neuropsychiatric illness with gut dysbiosis and endothelial and metabolic dysfunctions. In this perspective article, we take a closer look at the pathology emerging from the viral hijacking of non-neuronal GABA and summarize potential interventions for restoring these systems.
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Hibiscus, Rooibos, and Yerba Mate for Healthy Aging: A Review on the Attenuation of In Vitro and In Vivo Markers Related to Oxidative Stress, Glycoxidation, and Neurodegeneration. Foods 2022; 11:foods11121676. [PMID: 35741873 PMCID: PMC9222775 DOI: 10.3390/foods11121676] [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: 05/17/2022] [Revised: 06/04/2022] [Accepted: 06/05/2022] [Indexed: 02/01/2023] Open
Abstract
The world is currently undergoing a demographic change towards an increasing number of elderly citizens. Aging is characterized by a temporal decline in physiological capacity, and oxidative stress is a hallmark of aging and age-related disorders. Such an oxidative state is linked to a decrease in the effective mechanisms of cellular repair, the incidence of post-translational protein glycation, mitochondrial dysfunction, and neurodegeneration, just to name some of the markers contributing to the establishment of age-related reduction-oxidation, or redox, imbalance. Currently, there are no prescribed therapies to control oxidative stress; however, there are strategies to elevate antioxidant defenses and overcome related health challenges based on the adoption of nutritional therapies. It is well known that herbal teas such, as hibiscus, rooibos, and yerba mate, are important sources of antioxidants, able to prevent some oxidation-related stresses. These plants produce several bioactive metabolites, have a pleasant taste, and a long-lasting history as safe foods. This paper reviews the literature on hibiscus, rooibos, and yerba mate teas in the context of nutritional strategies for the attenuation of oxidative stress-related glycoxidation and neurodegeneration, and, here, Alzheimer’s Disease is approached as an example. The focus is given to mechanisms of glycation inhibition, as well as neuroprotective in vitro effects, and, in animal studies, to frame interest in these plants as nutraceutical agents related to current health concerns.
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Soheili M, Alinaghipour A, Salami M. Good bacteria, oxidative stress and neurological disorders: Possible therapeutical considerations. Life Sci 2022; 301:120605. [DOI: 10.1016/j.lfs.2022.120605] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Revised: 04/27/2022] [Accepted: 04/27/2022] [Indexed: 12/11/2022]
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