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Barinda AJ, Hardi H, Louisa M, Khatimah NG, Marliau RM, Felix I, Fadhillah MR, Jamal AK. Repurposing effect of cardiovascular-metabolic drug to increase lifespan: a systematic review of animal studies and current clinical trial progress. Front Pharmacol 2024; 15:1373458. [PMID: 38966557 PMCID: PMC11223003 DOI: 10.3389/fphar.2024.1373458] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2024] [Accepted: 06/03/2024] [Indexed: 07/06/2024] Open
Abstract
With the increase in life expectancy, aging has emerged as a significant health concern. Due to its various mechanisms of action, cardiometabolic drugs are often repurposed for other indications, including aging. This systematic review analyzed and highlighted the repositioning potential of cardiometabolic drugs to increase lifespan as an aging parameter in animal studies and supplemented by information from current clinical trial registries. Systematic searching in animal studies was performed based on PICO: "animal," "cardiometabolic drug," and "lifespan." All clinical trial registries were also searched from the WHO International Clinical Trial Registry Platform (ICTRP). Analysis of 49 animal trials and 10 clinical trial registries show that various cardiovascular and metabolic drugs have the potential to target lifespan. Metformin, acarbose, and aspirin are the three most studied drugs in animal trials. Aspirin and acarbose are the promising ones, whereas metformin exhibits various results. In clinical trial registries, metformin, omega-3 fatty acid, acarbose, and atorvastatin are currently cardiometabolic drugs that are repurposed to target aging. Published clinical trial results show great potential for omega-3 and metformin in healthspan. Systematic Review Registration: crd.york.ac.uk/prospero/display_record.php?RecordID=457358, identifier: CRD42023457358.
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Affiliation(s)
- Agian Jeffilano Barinda
- Department of Pharmacology and Therapeutics, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia
- Metabolic, Cardiovascular, and Aging Cluster, Indonesia Medical Education and Research Institute (IMERI), Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia
| | - Harri Hardi
- Department of Pharmacology and Therapeutics, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia
| | - Melva Louisa
- Department of Pharmacology and Therapeutics, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia
| | - Nurul Gusti Khatimah
- Master Program in Biomedical Sciences, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia
| | - Rheza Meida Marliau
- Metabolic, Cardiovascular, and Aging Cluster, Indonesia Medical Education and Research Institute (IMERI), Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia
- Division of Endocrinology, Metabolism, and Diabetes, Department of Internal Medicine, Dr. Cipto Mangunkusumo National General Hospital, Faculty of Medicine Universitas Indonesia, Jakarta, Indonesia
| | - Immanuel Felix
- Division of Endocrinology, Metabolism, and Diabetes, Department of Internal Medicine, Dr. Cipto Mangunkusumo National General Hospital, Faculty of Medicine Universitas Indonesia, Jakarta, Indonesia
| | - Muhamad Rizqy Fadhillah
- Master Program in Biomedical Sciences, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia
| | - Arief Kurniawan Jamal
- Department of Pharmacology and Therapeutics, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia
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Ma C, He Y, Wang H, Chang X, Qi C, Feng Y, Cai X, Bai M, Wang X, Zhao B, Dong W. Understanding the toxicity mechanism of gelsemine in zebrafish. Comp Biochem Physiol C Toxicol Pharmacol 2024; 280:109886. [PMID: 38447648 DOI: 10.1016/j.cbpc.2024.109886] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/03/2023] [Revised: 02/29/2024] [Accepted: 03/02/2024] [Indexed: 03/08/2024]
Abstract
Gelsemium elegans (GE), also known as Duanchangcao, is a plant associated with toxic symptoms related to the abdomen; however, the toxicity caused by GE remains unknown. Gelsemine (GEL) is an alkaloid extracted from GE and is one of the most toxic alkaloids. This study used zebrafish as an animal model and employed high-throughput gene sequencing to identify genes and signaling pathways related to GEL toxicity. Exposure to GEL negatively impacted heart rate, swim bladder development, and activity in zebrafish larvae. Transcriptomics data revealed the enrichment of inflammatory and phagocyte signaling pathways. RT-PCR analysis revealed a decrease in the expression of pancreas-related genes, including the pancreatic coagulation protease (Ctr) family, such as Ctrl, Ctrb 1, and Ctrc, due to GEL exposure. Furthermore, GEL exposure significantly reduced Ctrb1 protein expression while elevating trypsin and serum amylase activities in zebrafish larvae. GEL also resulted in a decrease in pancreas-associated fluorescence area and an increase in neutrophil-related fluorescence area in transgenic zebrafish. This study revealed that GEL toxicity in zebrafish larvae is related to acute pancreatic inflammation.
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Affiliation(s)
- Chenglong Ma
- Inner Mongolia Key Laboratory of Toxicant Monitoring and Toxicology, College of Animal Science and Technology, Inner Mongolia Minzu University, Tongliao, Inner Mongolia 028000, China; School of Tea and Food Science & Technology, Anhui Agricultural University, Hefei 230036, China; State Key Laboratory of Toxicology and Medical Countermeasures, Institute of Pharmacology and Toxicology, Academy of Military Medical Sciences, Beijing 100850, China
| | - Yanan He
- School of Tea and Food Science & Technology, Anhui Agricultural University, Hefei 230036, China; State Key Laboratory of Toxicology and Medical Countermeasures, Institute of Pharmacology and Toxicology, Academy of Military Medical Sciences, Beijing 100850, China
| | - Huan Wang
- Inner Mongolia Key Laboratory of Toxicant Monitoring and Toxicology, College of Animal Science and Technology, Inner Mongolia Minzu University, Tongliao, Inner Mongolia 028000, China; State Key Laboratory of Toxicology and Medical Countermeasures, Institute of Pharmacology and Toxicology, Academy of Military Medical Sciences, Beijing 100850, China
| | - Xu Chang
- Inner Mongolia Key Laboratory of Toxicant Monitoring and Toxicology, College of Animal Science and Technology, Inner Mongolia Minzu University, Tongliao, Inner Mongolia 028000, China
| | - Chelimuge Qi
- Inner Mongolia Key Laboratory of Toxicant Monitoring and Toxicology, College of Animal Science and Technology, Inner Mongolia Minzu University, Tongliao, Inner Mongolia 028000, China; Department of agriculture and animal husbandry, XING AN VOCATIONAL AND TECHNICAL COLLEGE, Horqin Right Wing Front Banner, Inner Mongolia 137400, China
| | - Yuanzhou Feng
- State Key Laboratory of Toxicology and Medical Countermeasures, Institute of Pharmacology and Toxicology, Academy of Military Medical Sciences, Beijing 100850, China
| | - Xiaoxu Cai
- Inner Mongolia Key Laboratory of Toxicant Monitoring and Toxicology, College of Animal Science and Technology, Inner Mongolia Minzu University, Tongliao, Inner Mongolia 028000, China
| | - Meirong Bai
- Key Laboratory of Mongolian Medicine Research and Development Engineering, Ministry of Education, Tongliao, Inner Mongolia 028000, China
| | - Xueyan Wang
- School of Tea and Food Science & Technology, Anhui Agricultural University, Hefei 230036, China.
| | - Baoquan Zhao
- State Key Laboratory of Toxicology and Medical Countermeasures, Institute of Pharmacology and Toxicology, Academy of Military Medical Sciences, Beijing 100850, China.
| | - Wu Dong
- Inner Mongolia Key Laboratory of Toxicant Monitoring and Toxicology, College of Animal Science and Technology, Inner Mongolia Minzu University, Tongliao, Inner Mongolia 028000, China.
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Liang Y, Zhou Y, Zhou C, Cai X, Liu L, Wei F, Li G. Sertraline Promotes Health and Longevity in Caenorhabditis elegans. Gerontology 2024; 70:408-417. [PMID: 38228128 DOI: 10.1159/000536227] [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: 05/26/2023] [Accepted: 01/08/2024] [Indexed: 01/18/2024] Open
Abstract
INTRODUCTION While several antidepressants have been identified as potential geroprotectors, the effect and mechanism of sertraline on healthspan remain to be elucidated. Here, we explored the role of sertraline in the lifespan and healthspan of Caenorhabditis elegans. METHODS The optimal effect concentration of sertraline was first screened in wild-type N2 worms under heat stress conditions. Then, we examined the effects of sertraline on lifespan, reproduction, lipofuscin accumulation, mobility, and stress resistance. Finally, the expression of serotonin signaling and aging-related genes was investigated to explore the underlying mechanism, and the lifespan assays were performed in ser-7 RNAi strain, daf-2, daf-16, and aak-2 mutants. RESULTS Sertraline extended the lifespan in C. elegans with concomitant extension of healthspan as indicated by increasing mobility and reducing fertility and lipofuscin accumulation, as well as enhanced resistance to different abiotic stresses. Mechanistically, ser-7 orchestrated sertraline-induced longevity via the regulation of insulin and AMPK pathways, and sertraline-induced lifespan extension in nematodes was abolished in ser-7 RNAi strain, daf-2, daf-16, and aak-2 mutants. CONCLUSION Sertraline promotes health and longevity in C. elegans through ser-7-insulin/AMPK pathways.
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Affiliation(s)
- Yu Liang
- Center for Aging Biomedicine, National and Local Joint Engineering Laboratory of Animal Peptide Drug Development, College of Life Sciences, Hunan Normal University, Changsha, China
| | - Yiming Zhou
- Center for Aging Biomedicine, National and Local Joint Engineering Laboratory of Animal Peptide Drug Development, College of Life Sciences, Hunan Normal University, Changsha, China
| | - Can Zhou
- Center for Aging Biomedicine, National and Local Joint Engineering Laboratory of Animal Peptide Drug Development, College of Life Sciences, Hunan Normal University, Changsha, China
| | - Xinqi Cai
- Center for Aging Biomedicine, National and Local Joint Engineering Laboratory of Animal Peptide Drug Development, College of Life Sciences, Hunan Normal University, Changsha, China
| | - Li Liu
- Center for Aging Biomedicine, National and Local Joint Engineering Laboratory of Animal Peptide Drug Development, College of Life Sciences, Hunan Normal University, Changsha, China
| | - Fang Wei
- Center for Aging Biomedicine, National and Local Joint Engineering Laboratory of Animal Peptide Drug Development, College of Life Sciences, Hunan Normal University, Changsha, China
| | - Guolin Li
- Center for Aging Biomedicine, National and Local Joint Engineering Laboratory of Animal Peptide Drug Development, College of Life Sciences, Hunan Normal University, Changsha, China
- Key Laboratory of Hunan Province for Model Animal and Stem Cell Biology, School of Medicine, Hunan Normal University, Changsha, China
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Li T, Yin Y, Zhang K, Li Y, Kong X, Liu D, Luo Y, Zhang R, Zhang Z. Ecotoxicity effect of aspirin on the larvae of Musca domestica through retinol metabolism. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2024; 270:115845. [PMID: 38134638 DOI: 10.1016/j.ecoenv.2023.115845] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/21/2023] [Revised: 12/06/2023] [Accepted: 12/14/2023] [Indexed: 12/24/2023]
Abstract
Aspirin is a widely used multi-efficiency pharmaceutical, and its environmental residues are frequently detected. However, limited information is available on its effects on the development of the public health pest and saprophytic insect Musca domestica. In this study, it was demonstrated that aspirin inhibits the larval growth of house flies in a concentration-dependent manner. Microbiome analysis indicated that the composition of larval intestinal bacteria was influenced by aspirin but not greatly. The dominant bacterial genus in the aspirin group was still Klebsiella, as in the control group. Transcriptome sequencing and gene set enrichment analysis showed that retinol metabolism was activated after aspirin treatment. High performance liquid chromatography indicated that the content of retinol in larvae was decreased and that of retinoic acid was increased. The addition of β-carotene, a precursor substance of retinol, in feeding promotes larval development and alleviates the inhibitory effect caused by aspirin. In contrast, retinoic acid delayed the larval development of house flies as well as aspirin. Gene expression analysis after aspirin exposure demonstrated that genes involved in the transformation from retinol to retinoic acid were upregulated. Overall, aspirin exposure impairs larval development by activating retinol metabolism in house flies and can be utilized as an effective pesticide. This work uncovers the mechanism underlying the larval development inhibition induced by aspirin in terms of metabolism and genetics, and provides novel functional exploration of a traditional drug for pest management.
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Affiliation(s)
- Ting Li
- School of Life Science, Shandong First Medical University (Shandong Academy of Medical Sciences), Taian 271016, Shandong, China
| | - Yansong Yin
- School of Basic Medical Science, Shandong First Medical University (Shandong Academy of Medical Sciences), Taian 271016, Shandong, China
| | - Kexin Zhang
- Hospital for Skin Diseases, Shandong First Medical University, China; Shandong Provincial Institute of Dermatology and Venereology, Shandong Academy of Medical Sciences, China
| | - Ying Li
- School of Basic Medical Science, Shandong First Medical University (Shandong Academy of Medical Sciences), Taian 271016, Shandong, China
| | - Xinxin Kong
- School of Basic Medical Science, Shandong First Medical University (Shandong Academy of Medical Sciences), Taian 271016, Shandong, China
| | - Dan Liu
- School of Life Science, Shandong First Medical University (Shandong Academy of Medical Sciences), Taian 271016, Shandong, China
| | - Yu Luo
- School of Life Science, Shandong First Medical University (Shandong Academy of Medical Sciences), Taian 271016, Shandong, China
| | - Ruiling Zhang
- School of Basic Medical Science, Shandong First Medical University (Shandong Academy of Medical Sciences), Taian 271016, Shandong, China.
| | - Zhong Zhang
- School of Life Science, Shandong First Medical University (Shandong Academy of Medical Sciences), Taian 271016, Shandong, China; Weifang Medical University, Weifang 261021, Shandong, China.
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Kim Y, Lee SB, Cho M, Choe S, Jang M. Indian Almond ( Terminalia catappa Linn.) Leaf Extract Extends Lifespan by Improving Lipid Metabolism and Antioxidant Activity Dependent on AMPK Signaling Pathway in Caenorhabditis elegans under High-Glucose-Diet Conditions. Antioxidants (Basel) 2023; 13:14. [PMID: 38275634 PMCID: PMC10812731 DOI: 10.3390/antiox13010014] [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: 10/24/2023] [Revised: 12/13/2023] [Accepted: 12/14/2023] [Indexed: 01/27/2024] Open
Abstract
This study aimed to evaluate the antioxidant and antiaging effects of Indian almond (Terminalia catappa Linn.) leaf extract (TCE) on high-glucose (GLU)-induced obese Caenorhabditis elegans. Since TCE contains high contents of flavonoids and phenolics, strong radical scavenging activity was confirmed in vitro. The stress-resistance effect of TCE was confirmed under thermal and oxidative stress conditions at nontoxic tested concentrations (6.25, 12.5, and 25 μg/mL). GLU at 2% caused lipid and reactive oxygen species (ROS) accumulation in C. elegans, and TCE inhibited lipid and ROS accumulation under both normal and 2% GLU conditions in a concentration-dependent manner. In addition, TCE proved to be effective in prolonging the lifespan of C. elegans under normal and 2% GLU conditions. The ROS reduction effect of TCE was abolished in mutants deficient in daf-16/FOXO and skn-1/Nrf-2. In addition, the lifespan-extending effect of TCE in these two mutants disappeared. The lifespan-extending effect was abolished even in atgl-1/ATGL-deficiency mutants. The TCE effect was reduced in aak-1/AMPK-deficient mutants and completely abolished under 2% GLU conditions. Therefore, the effect of prolonging lifespan by inhibiting lipid and ROS accumulation under the high GLU conditions of TCE is considered to be the result of atgl-1, daf-16, and skn-1 being downregulated by aak-1. These results suggest that the physiological potential of TCE contributes to antiaging under metabolic disorders.
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Affiliation(s)
- Yebin Kim
- Department of Smart Food and Drug, Inje University, Gimhae 50834, Republic of Korea; (Y.K.); (S.-b.L.); (M.C.)
| | - Seul-bi Lee
- Department of Smart Food and Drug, Inje University, Gimhae 50834, Republic of Korea; (Y.K.); (S.-b.L.); (M.C.)
| | - Myogyeong Cho
- Department of Smart Food and Drug, Inje University, Gimhae 50834, Republic of Korea; (Y.K.); (S.-b.L.); (M.C.)
| | - Soojin Choe
- Department of Food Technology and Nutrition, Inje University, Gimhae 50834, Republic of Korea;
| | - Miran Jang
- Department of Smart Food and Drug, Inje University, Gimhae 50834, Republic of Korea; (Y.K.); (S.-b.L.); (M.C.)
- Department of Food Technology and Nutrition, Inje University, Gimhae 50834, Republic of Korea;
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Srivastava V, Gross E. Mitophagy-promoting agents and their ability to promote healthy-aging. Biochem Soc Trans 2023; 51:1811-1846. [PMID: 37650304 PMCID: PMC10657188 DOI: 10.1042/bst20221363] [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: 04/13/2023] [Revised: 08/07/2023] [Accepted: 08/09/2023] [Indexed: 09/01/2023]
Abstract
The removal of damaged mitochondrial components through a process called mitochondrial autophagy (mitophagy) is essential for the proper function of the mitochondrial network. Hence, mitophagy is vital for the health of all aerobic animals, including humans. Unfortunately, mitophagy declines with age. Many age-associated diseases, including Alzheimer's and Parkinson's, are characterized by the accumulation of damaged mitochondria and oxidative damage. Therefore, activating the mitophagy process with small molecules is an emerging strategy for treating multiple aging diseases. Recent studies have identified natural and synthetic compounds that promote mitophagy and lifespan. This article aims to summarize the existing knowledge about these substances. For readers' convenience, the knowledge is presented in a table that indicates the chemical data of each substance and its effect on lifespan. The impact on healthspan and the molecular mechanism is reported if known. The article explores the potential of utilizing a combination of mitophagy-inducing drugs within a therapeutic framework and addresses the associated challenges of this strategy. Finally, we discuss the process that balances mitophagy, i.e. mitochondrial biogenesis. In this process, new mitochondrial components are generated to replace the ones cleared by mitophagy. Furthermore, some mitophagy-inducing substances activate biogenesis (e.g. resveratrol and metformin). Finally, we discuss the possibility of combining mitophagy and biogenesis enhancers for future treatment. In conclusion, this article provides an up-to-date source of information about natural and synthetic substances that activate mitophagy and, hopefully, stimulates new hypotheses and studies that promote healthy human aging worldwide.
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Affiliation(s)
- Vijigisha Srivastava
- Faculty of Medicine, IMRIC Department of Biochemistry and Molecular Biology, The Hebrew University of Jerusalem, PO Box 12271, Jerusalem, Israel
| | - Einav Gross
- Faculty of Medicine, IMRIC Department of Biochemistry and Molecular Biology, The Hebrew University of Jerusalem, PO Box 12271, Jerusalem, Israel
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Zhai J, Kongsberg WH, Pan Y, Hao C, Wang X, Sun J. Caloric restriction induced epigenetic effects on aging. Front Cell Dev Biol 2023; 10:1079920. [PMID: 36712965 PMCID: PMC9880295 DOI: 10.3389/fcell.2022.1079920] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Accepted: 12/31/2022] [Indexed: 01/15/2023] Open
Abstract
Aging is the subject of many studies, facilitating the discovery of many interventions. Epigenetic influences numerous life processes by regulating gene expression and also plays a crucial role in aging regulation. Increasing data suggests that dietary changes can alter epigenetic marks associated with aging. Caloric restriction (CR)is considered an intervention to regulate aging and prolong life span. At present, CR has made some progress by regulating signaling pathways associated with aging as well as the mechanism of action of intercellular signaling molecules against aging. In this review, we will focus on autophagy and epigenetic modifications to elaborate the molecular mechanisms by which CR delays aging by triggering autophagy, epigenetic modifications, and the interaction between the two in caloric restriction. In order to provide new ideas for the study of the mechanism of aging and delaying aging.
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Affiliation(s)
| | | | | | | | | | - Jie Sun
- *Correspondence: Xiaojing Wang, ; Jie Sun,
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Planococcus maritimu ML1206 Strain Enhances Stress Resistance and Extends the Lifespan in Caenorhabditis elegans via FOXO/DAF-16. Mar Drugs 2022; 21:md21010001. [PMID: 36662174 PMCID: PMC9866299 DOI: 10.3390/md21010001] [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: 11/08/2022] [Revised: 11/30/2022] [Accepted: 12/16/2022] [Indexed: 12/24/2022] Open
Abstract
The antioxidant effect of probiotics has been widely recognized across the world, which is of great significance in food, medicine, and aquaculture. There are abundant marine microbial resources in the ocean, which provide a new space for humans to explore new probiotics. Previously, we reported on the anti-infective effects of Planococcus maritimu ML1206, a potential marine probiotic. The antioxidant activity of ML1206 in C. elegans was studied in this paper. The study showed that ML1206 could improve the ability of nematodes to resist oxidative stress and effectively prolong their lifespan. The results confirmed that ML1206 could significantly increase the activities of CAT and GSH-PX, and reduce the accumulation of reactive oxygen species (ROS) in nematodes under oxidative stress conditions. In addition, ML1206 promoted DAF-16 transfer to the nucleus and upregulated the expression of sod-3, hsp-16.2, and ctl-2, which are downstream antioxidant-related genes of DAF-16. Furthermore, the expression of the SOD-3::GFP and HSP-16.2::GFP was significantly higher in the transgenic strains fed with ML1206 than that in the control group fed with OP50, with or without stress. In summary, these findings suggest that ML1206 is a novel marine probiotic with an antioxidant function that stimulates nematodes to improve their defense abilities against oxidative stress and prolong the lifespan by regulating the translocation of FOXO/DAF-16. Therefore, ML1206 may be explored as a potential dietary supplement in aquaculture and for anti-aging and antioxidant purposes.
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Hurvitz N, Elkhateeb N, Sigawi T, Rinsky-Halivni L, Ilan Y. Improving the effectiveness of anti-aging modalities by using the constrained disorder principle-based management algorithms. FRONTIERS IN AGING 2022; 3:1044038. [PMID: 36589143 PMCID: PMC9795077 DOI: 10.3389/fragi.2022.1044038] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Accepted: 11/22/2022] [Indexed: 12/15/2022]
Abstract
Aging is a complex biological process with multifactorial nature underlined by genetic, environmental, and social factors. In the present paper, we review several mechanisms of aging and the pre-clinically and clinically studied anti-aging therapies. Variability characterizes biological processes from the genome to cellular organelles, biochemical processes, and whole organs' function. Aging is associated with alterations in the degrees of variability and complexity of systems. The constrained disorder principle defines living organisms based on their inherent disorder within arbitrary boundaries and defines aging as having a lower variability or moving outside the boundaries of variability. We focus on associations between variability and hallmarks of aging and discuss the roles of disorder and variability of systems in the pathogenesis of aging. The paper presents the concept of implementing the constrained disease principle-based second-generation artificial intelligence systems for improving anti-aging modalities. The platform uses constrained noise to enhance systems' efficiency and slow the aging process. Described is the potential use of second-generation artificial intelligence systems in patients with chronic disease and its implications for the aged population.
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Affiliation(s)
- Noa Hurvitz
- Faculty of Medicine, Hebrew University and Department of Medicine, Hadassah Medical Center, Jerusalem, Israel
| | - Narmine Elkhateeb
- Faculty of Medicine, Hebrew University and Department of Medicine, Hadassah Medical Center, Jerusalem, Israel
| | - Tal Sigawi
- Faculty of Medicine, Hebrew University and Department of Medicine, Hadassah Medical Center, Jerusalem, Israel
| | - Lilah Rinsky-Halivni
- Braun School of Public Health, Hebrew University of Jerusalem, Jerusalem, Israel,Department of Global Health and Population, Harvard T.H. Chan School of Public Health, Boston, MA, United States
| | - Yaron Ilan
- Faculty of Medicine, Hebrew University and Department of Medicine, Hadassah Medical Center, Jerusalem, Israel,*Correspondence: Yaron Ilan,
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Cai Y, Song W, Li J, Jing Y, Liang C, Zhang L, Zhang X, Zhang W, Liu B, An Y, Li J, Tang B, Pei S, Wu X, Liu Y, Zhuang CL, Ying Y, Dou X, Chen Y, Xiao FH, Li D, Yang R, Zhao Y, Wang Y, Wang L, Li Y, Ma S, Wang S, Song X, Ren J, Zhang L, Wang J, Zhang W, Xie Z, Qu J, Wang J, Xiao Y, Tian Y, Wang G, Hu P, Ye J, Sun Y, Mao Z, Kong QP, Liu Q, Zou W, Tian XL, Xiao ZX, Liu Y, Liu JP, Song M, Han JDJ, Liu GH. The landscape of aging. SCIENCE CHINA. LIFE SCIENCES 2022; 65:2354-2454. [PMID: 36066811 PMCID: PMC9446657 DOI: 10.1007/s11427-022-2161-3] [Citation(s) in RCA: 101] [Impact Index Per Article: 50.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 04/06/2022] [Accepted: 07/05/2022] [Indexed: 02/07/2023]
Abstract
Aging is characterized by a progressive deterioration of physiological integrity, leading to impaired functional ability and ultimately increased susceptibility to death. It is a major risk factor for chronic human diseases, including cardiovascular disease, diabetes, neurological degeneration, and cancer. Therefore, the growing emphasis on "healthy aging" raises a series of important questions in life and social sciences. In recent years, there has been unprecedented progress in aging research, particularly the discovery that the rate of aging is at least partly controlled by evolutionarily conserved genetic pathways and biological processes. In an attempt to bring full-fledged understanding to both the aging process and age-associated diseases, we review the descriptive, conceptual, and interventive aspects of the landscape of aging composed of a number of layers at the cellular, tissue, organ, organ system, and organismal levels.
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Affiliation(s)
- Yusheng Cai
- State Key Laboratory of Membrane Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, 100101, China
- Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, Beijing, 100101, China
- Beijing Institute for Stem Cell and Regenerative Medicine, Beijing, 100101, China
| | - Wei Song
- Frontier Science Center for Immunology and Metabolism, Medical Research Institute, College of Life Sciences, Wuhan University, Wuhan, 430071, China
| | - Jiaming Li
- CAS Key Laboratory of Genomic and Precision Medicine, Beijing Institute of Genomics, Chinese Academy of Sciences and China National Center for Bioinformation, Beijing, 100101, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Ying Jing
- University of Chinese Academy of Sciences, Beijing, 100049, China
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, 100101, China
| | - Chuqian Liang
- State Key Laboratory of Membrane Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, 100101, China
- Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, Beijing, 100101, China
- Beijing Institute for Stem Cell and Regenerative Medicine, Beijing, 100101, China
| | - Liyuan Zhang
- CAS Key Laboratory of Genomic and Precision Medicine, Beijing Institute of Genomics, Chinese Academy of Sciences and China National Center for Bioinformation, Beijing, 100101, China
| | - Xia Zhang
- CAS Key Laboratory of Tissue Microenvironment and Tumor, Shanghai Institute of Nutrition and Health, Chinese Academy of Sciences, Shanghai, 200031, China
| | - Wenhui Zhang
- University of Chinese Academy of Sciences, Beijing, 100049, China
- CAS Key Laboratory of Pathogenic Microbiology and Immunology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, 100101, China
| | - Beibei Liu
- CAS Key Laboratory of Genomic and Precision Medicine, Beijing Institute of Genomics, Chinese Academy of Sciences and China National Center for Bioinformation, Beijing, 100101, China
| | - Yongpan An
- Peking University International Cancer Institute, Peking University Health Science Center, Peking University, Beijing, 100191, China
| | - Jingyi Li
- State Key Laboratory of Membrane Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, 100101, China
- Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, Beijing, 100101, China
- Beijing Institute for Stem Cell and Regenerative Medicine, Beijing, 100101, China
| | - Baixue Tang
- School of Pharmaceutical Sciences, Tsinghua University, Beijing, 100084, China
| | - Siyu Pei
- CAS Key Laboratory of Tissue Microenvironment and Tumor, Shanghai Institute of Nutrition and Health, Chinese Academy of Sciences, Shanghai, 200031, China
| | - Xueying Wu
- State Key Laboratory of Molecular Developmental Biology, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing, 100101, China
| | - Yuxuan Liu
- School of Pharmaceutical Sciences, Beijing Advanced Innovation Center for Structural Biology, Ministry of Education Key Laboratory of Bioorganic Phosphorus Chemistry and Chemical Biology, Tsinghua University, Beijing, 100084, China
| | - Cheng-Le Zhuang
- Colorectal Cancer Center/Department of Gastrointestinal Surgery, Shanghai Tenth People's Hospital Affiliated to Tongji University, Shanghai, 200072, China
| | - Yilin Ying
- Department of Geriatrics, Medical Center on Aging of Shanghai Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, 200025, China
- International Laboratory in Hematology and Cancer, Shanghai Jiaotong University School of Medicine/Ruijin Hospital, Shanghai, 200025, China
| | - Xuefeng Dou
- CAS Key Laboratory of Tissue Microenvironment and Tumor, Shanghai Institute of Nutrition and Health, Chinese Academy of Sciences, Shanghai, 200031, China
| | - Yu Chen
- Shanghai Key Laboratory of Maternal Fetal Medicine, Clinical and Translational Research Center of Shanghai First Maternity and Infant Hospital, Frontier Science Center for Stem Cell Research, School of Life Sciences and Technology, Tongji University, Shanghai, 200092, China
| | - Fu-Hui Xiao
- State Key Laboratory of Genetic Resources and Evolution/Key Laboratory of Healthy Aging Research of Yunnan Province, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, 650223, China
- CAS Center for Excellence in Animal Evolution and Genetics, Chinese Academy of Sciences, Kunming, 650223, China
| | - Dingfeng Li
- Institute on Aging and Brain Disorders, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, 230027, China
| | - Ruici Yang
- State Key Laboratory of Cell Biology, Shanghai Institute of Biochemistry and Cell Biology, CAS Center for Excellence in Molecular Cell Science, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai, 200031, China
| | - Ya Zhao
- Aging and Vascular Diseases, Human Aging Research Institute (HARI) and School of Life Science, Nanchang University, and Jiangxi Key Laboratory of Human Aging, Nanchang, 330031, China
| | - Yang Wang
- Center of Growth, Metabolism and Aging, Key Laboratory of Bio-Resource and Eco-Environment, Ministry of Education, College of Life Sciences, Sichuan University, Chengdu, 610065, China
| | - Lihui Wang
- Institute of Ageing Research, Hangzhou Normal University, School of Basic Medical Sciences, Hangzhou, 311121, China
| | - Yujing Li
- State Key Laboratory of Membrane Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, 100101, China
- Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, Beijing, 100101, China
- Beijing Institute for Stem Cell and Regenerative Medicine, Beijing, 100101, China
| | - Shuai Ma
- State Key Laboratory of Membrane Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, 100101, China.
- Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, Beijing, 100101, China.
- Beijing Institute for Stem Cell and Regenerative Medicine, Beijing, 100101, China.
| | - Si Wang
- Advanced Innovation Center for Human Brain Protection, National Clinical Research Center for Geriatric Disorders, Xuanwu Hospital Capital Medical University, Beijing, 100053, China.
- Aging Translational Medicine Center, International Center for Aging and Cancer, Beijing Municipal Geriatric Medical Research Center, Xuanwu Hospital Capital Medical University, Beijing, 100053, China.
- The Fifth People's Hospital of Chongqing, Chongqing, 400062, China.
| | - Xiaoyuan Song
- MOE Key Laboratory of Cellular Dynamics, Hefei National Research Center for Physical Sciences at the Microscale, CAS Key Laboratory of Brain Function and Disease, Neurodegenerative Disorder Research Center, School of Life Sciences, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, 230026, China.
| | - Jie Ren
- Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, Beijing, 100101, China.
- CAS Key Laboratory of Genomic and Precision Medicine, Beijing Institute of Genomics, Chinese Academy of Sciences and China National Center for Bioinformation, Beijing, 100101, China.
- University of Chinese Academy of Sciences, Beijing, 100049, China.
| | - Liang Zhang
- Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, Beijing, 100101, China.
- CAS Key Laboratory of Tissue Microenvironment and Tumor, Shanghai Institute of Nutrition and Health, Chinese Academy of Sciences, Shanghai, 200031, China.
| | - Jun Wang
- University of Chinese Academy of Sciences, Beijing, 100049, China.
- CAS Key Laboratory of Pathogenic Microbiology and Immunology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, 100101, China.
| | - Weiqi Zhang
- Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, Beijing, 100101, China.
- CAS Key Laboratory of Genomic and Precision Medicine, Beijing Institute of Genomics, Chinese Academy of Sciences and China National Center for Bioinformation, Beijing, 100101, China.
- University of Chinese Academy of Sciences, Beijing, 100049, China.
- Aging Translational Medicine Center, International Center for Aging and Cancer, Beijing Municipal Geriatric Medical Research Center, Xuanwu Hospital Capital Medical University, Beijing, 100053, China.
| | - Zhengwei Xie
- Peking University International Cancer Institute, Peking University Health Science Center, Peking University, Beijing, 100191, China.
| | - Jing Qu
- Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, Beijing, 100101, China.
- Beijing Institute for Stem Cell and Regenerative Medicine, Beijing, 100101, China.
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, 100101, China.
| | - Jianwei Wang
- School of Pharmaceutical Sciences, Tsinghua University, Beijing, 100084, China.
| | - Yichuan Xiao
- CAS Key Laboratory of Tissue Microenvironment and Tumor, Shanghai Institute of Nutrition and Health, Chinese Academy of Sciences, Shanghai, 200031, China.
| | - Ye Tian
- University of Chinese Academy of Sciences, Beijing, 100049, China.
- State Key Laboratory of Molecular Developmental Biology, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing, 100101, China.
| | - Gelin Wang
- School of Pharmaceutical Sciences, Beijing Advanced Innovation Center for Structural Biology, Ministry of Education Key Laboratory of Bioorganic Phosphorus Chemistry and Chemical Biology, Tsinghua University, Beijing, 100084, China.
| | - Ping Hu
- Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, Beijing, 100101, China.
- Colorectal Cancer Center/Department of Gastrointestinal Surgery, Shanghai Tenth People's Hospital Affiliated to Tongji University, Shanghai, 200072, China.
- Guangzhou Laboratory, Guangzhou International Bio Island, Guangzhou, 510005, China.
| | - Jing Ye
- Department of Geriatrics, Medical Center on Aging of Shanghai Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, 200025, China.
- International Laboratory in Hematology and Cancer, Shanghai Jiaotong University School of Medicine/Ruijin Hospital, Shanghai, 200025, China.
| | - Yu Sun
- CAS Key Laboratory of Tissue Microenvironment and Tumor, Shanghai Institute of Nutrition and Health, Chinese Academy of Sciences, Shanghai, 200031, China.
- Department of Medicine and VAPSHCS, University of Washington, Seattle, 98195, USA.
| | - Zhiyong Mao
- Shanghai Key Laboratory of Maternal Fetal Medicine, Clinical and Translational Research Center of Shanghai First Maternity and Infant Hospital, Frontier Science Center for Stem Cell Research, School of Life Sciences and Technology, Tongji University, Shanghai, 200092, China.
| | - Qing-Peng Kong
- State Key Laboratory of Genetic Resources and Evolution/Key Laboratory of Healthy Aging Research of Yunnan Province, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, 650223, China.
- CAS Center for Excellence in Animal Evolution and Genetics, Chinese Academy of Sciences, Kunming, 650223, China.
| | - Qiang Liu
- CAS Center for Excellence in Animal Evolution and Genetics, Chinese Academy of Sciences, Kunming, 650223, China.
- Institute on Aging and Brain Disorders, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, 230027, China.
| | - Weiguo Zou
- State Key Laboratory of Cell Biology, Shanghai Institute of Biochemistry and Cell Biology, CAS Center for Excellence in Molecular Cell Science, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai, 200031, China.
| | - Xiao-Li Tian
- Aging and Vascular Diseases, Human Aging Research Institute (HARI) and School of Life Science, Nanchang University, and Jiangxi Key Laboratory of Human Aging, Nanchang, 330031, China.
| | - Zhi-Xiong Xiao
- Center of Growth, Metabolism and Aging, Key Laboratory of Bio-Resource and Eco-Environment, Ministry of Education, College of Life Sciences, Sichuan University, Chengdu, 610065, China.
| | - Yong Liu
- Frontier Science Center for Immunology and Metabolism, Medical Research Institute, College of Life Sciences, Wuhan University, Wuhan, 430071, China.
| | - Jun-Ping Liu
- Institute of Ageing Research, Hangzhou Normal University, School of Basic Medical Sciences, Hangzhou, 311121, China.
- Department of Immunology and Pathology, Monash University Faculty of Medicine, Prahran, Victoria, 3181, Australia.
- Hudson Institute of Medical Research, and Monash University Department of Molecular and Translational Science, Clayton, Victoria, 3168, Australia.
| | - Moshi Song
- State Key Laboratory of Membrane Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, 100101, China.
- Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, Beijing, 100101, China.
- Beijing Institute for Stem Cell and Regenerative Medicine, Beijing, 100101, China.
- University of Chinese Academy of Sciences, Beijing, 100049, China.
| | - Jing-Dong J Han
- Peking-Tsinghua Center for Life Sciences, Academy for Advanced Interdisciplinary Studies, Center for Quantitative Biology, Peking University, Beijing, 100871, China.
| | - Guang-Hui Liu
- State Key Laboratory of Membrane Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, 100101, China.
- Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, Beijing, 100101, China.
- Beijing Institute for Stem Cell and Regenerative Medicine, Beijing, 100101, China.
- University of Chinese Academy of Sciences, Beijing, 100049, China.
- Advanced Innovation Center for Human Brain Protection, National Clinical Research Center for Geriatric Disorders, Xuanwu Hospital Capital Medical University, Beijing, 100053, China.
- Aging Translational Medicine Center, International Center for Aging and Cancer, Beijing Municipal Geriatric Medical Research Center, Xuanwu Hospital Capital Medical University, Beijing, 100053, China.
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11
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Birkisdóttir MB, van Galen I, Brandt RMC, Barnhoorn S, van Vliet N, van Dijk C, Nagarajah B, Imholz S, van Oostrom CT, Reiling E, Gyenis Á, Mastroberardino PG, Jaarsma D, van Steeg H, Hoeijmakers JHJ, Dollé MET, Vermeij WP. The use of progeroid DNA repair-deficient mice for assessing anti-aging compounds, illustrating the benefits of nicotinamide riboside. FRONTIERS IN AGING 2022; 3:1005322. [PMID: 36313181 PMCID: PMC9596940 DOI: 10.3389/fragi.2022.1005322] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Accepted: 09/14/2022] [Indexed: 11/06/2022]
Abstract
Despite efficient repair, DNA damage inevitably accumulates with time affecting proper cell function and viability, thereby driving systemic aging. Interventions that either prevent DNA damage or enhance DNA repair are thus likely to extend health- and lifespan across species. However, effective genome-protecting compounds are largely lacking. Here, we use Ercc1 Δ/- and Xpg -/- DNA repair-deficient mutants as two bona fide accelerated aging mouse models to test propitious anti-aging pharmaceutical interventions. Ercc1 Δ/- and Xpg -/- mice show shortened lifespan with accelerated aging across numerous organs and tissues. Previously, we demonstrated that a well-established anti-aging intervention, dietary restriction, reduced DNA damage, and dramatically improved healthspan, strongly extended lifespan, and delayed all aging pathology investigated. Here, we further utilize the short lifespan and early onset of signs of neurological degeneration in Ercc1 Δ/- and Xpg -/- mice to test compounds that influence nutrient sensing (metformin, acarbose, resveratrol), inflammation (aspirin, ibuprofen), mitochondrial processes (idebenone, sodium nitrate, dichloroacetate), glucose homeostasis (trehalose, GlcNAc) and nicotinamide adenine dinucleotide (NAD+) metabolism. While some of the compounds have shown anti-aging features in WT animals, most of them failed to significantly alter lifespan or features of neurodegeneration of our mice. The two NAD+ precursors; nicotinamide riboside (NR) and nicotinic acid (NA), did however induce benefits, consistent with the role of NAD+ in facilitating DNA damage repair. Together, our results illustrate the applicability of short-lived repair mutants for systematic screening of anti-aging interventions capable of reducing DNA damage accumulation.
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Affiliation(s)
- María B. Birkisdóttir
- Princess Máxima Center for Pediatric Oncology, Utrecht, Netherlands,Oncode Institute, Utrecht, Netherlands
| | - Ivar van Galen
- Princess Máxima Center for Pediatric Oncology, Utrecht, Netherlands,Oncode Institute, Utrecht, Netherlands
| | - Renata M. C. Brandt
- Department of Molecular Genetics, Erasmus MC Cancer Institute, Erasmus University Medical Center, Rotterdam, Netherlands
| | - Sander Barnhoorn
- Department of Molecular Genetics, Erasmus MC Cancer Institute, Erasmus University Medical Center, Rotterdam, Netherlands
| | - Nicole van Vliet
- Department of Molecular Genetics, Erasmus MC Cancer Institute, Erasmus University Medical Center, Rotterdam, Netherlands
| | - Claire van Dijk
- Department of Molecular Genetics, Erasmus MC Cancer Institute, Erasmus University Medical Center, Rotterdam, Netherlands,Department of Hematology, Erasmus University Medical Center, Rotterdam, Netherlands
| | - Bhawani Nagarajah
- Centre for Health Protection, National Institute for Public Health and the Environment, (RIVM), Bilthoven, Netherlands
| | - Sandra Imholz
- Centre for Health Protection, National Institute for Public Health and the Environment, (RIVM), Bilthoven, Netherlands
| | - Conny T. van Oostrom
- Centre for Health Protection, National Institute for Public Health and the Environment, (RIVM), Bilthoven, Netherlands
| | - Erwin Reiling
- Centre for Health Protection, National Institute for Public Health and the Environment, (RIVM), Bilthoven, Netherlands
| | - Ákos Gyenis
- Faculty of Medicine, CECAD, Institute for Genome Stability in Aging and Disease, University of Cologne, Cologne, Germany
| | - Pier G. Mastroberardino
- Department of Molecular Genetics, Erasmus MC Cancer Institute, Erasmus University Medical Center, Rotterdam, Netherlands,IFOM-The FIRC Institute of Molecular Oncology, Milan, Italy,Department of Life, Health, and Environmental Sciences, University of L'Aquila, L'Aquila, Italy
| | - Dick Jaarsma
- Department of Neuroscience, Erasmus University Medical Center, Rotterdam, Netherlands
| | - Harry van Steeg
- Centre for Health Protection, National Institute for Public Health and the Environment, (RIVM), Bilthoven, Netherlands
| | - Jan H. J. Hoeijmakers
- Princess Máxima Center for Pediatric Oncology, Utrecht, Netherlands,Oncode Institute, Utrecht, Netherlands,Department of Molecular Genetics, Erasmus MC Cancer Institute, Erasmus University Medical Center, Rotterdam, Netherlands,Faculty of Medicine, CECAD, Institute for Genome Stability in Aging and Disease, University of Cologne, Cologne, Germany
| | - Martijn E. T. Dollé
- Centre for Health Protection, National Institute for Public Health and the Environment, (RIVM), Bilthoven, Netherlands,*Correspondence: Wilbert P. Vermeij, ; Martijn E. T. Dollé,
| | - Wilbert P. Vermeij
- Princess Máxima Center for Pediatric Oncology, Utrecht, Netherlands,Oncode Institute, Utrecht, Netherlands,*Correspondence: Wilbert P. Vermeij, ; Martijn E. T. Dollé,
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12
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Jia W, Wang C, Zheng J, Li Y, Yang C, Wan QL, Shen J. Pioglitazone Hydrochloride Extends the Lifespan of Caenorhabditis elegans by Activating DAF-16/FOXO- and SKN-1/NRF2-Related Signaling Pathways. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:8496063. [PMID: 35677109 PMCID: PMC9168093 DOI: 10.1155/2022/8496063] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/26/2021] [Accepted: 05/10/2022] [Indexed: 11/17/2022]
Abstract
Pioglitazone hydrochloride (PGZ), a nuclear receptor peroxisome proliferator-activated receptor gamma (PPAR-γ) agonist, is a universally adopted oral agent for the treatment of type 2 diabetes (T2D). Previous studies reported that PGZ could ameliorate the symptoms of aging-related diseases and Alzheimer's disease. However, whether PGZ participates in aging regulation and the underlying mechanism remain undetermined. Here, we found that PGZ significantly prolonged the lifespan and healthspan of Caenorhabditis elegans (C. elegans). We found that a variety of age-related pathways and age-related genes are required for PGZ-induced lifespan extension. The transcription factors DAF-16/FOXO, HSF-1, and SKN-1/NRF2, as well as the nuclear receptors DAF-12 and NHR-49, all functioned in the survival advantage conferred by PGZ. Moreover, our results demonstrated that PGZ induced lifespan extension through the inhibition of insulin/insulin-like signaling (IIS) and reproductive signaling pathways, as well as the activation of dietary restriction- (DR-) related pathways. Additionally, our results also indicated that beneficial longevity mediated by PGZ is linked to its antioxidative activity. Our research may provide a basis for further research on PGZ, as an anti-T2D drug, to interfere with aging and reduce the incidence of age-related diseases in diabetic patients.
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Affiliation(s)
- Wenjuan Jia
- Department of Endocrinology and Metabolism, The Third Affiliated Hospital, Southern Medical University, Guangzhou 510630, China
- Department of Endocrinology, Sixth Affiliated Hospital of Guangzhou Medical University, Qingyuan People's Hospital, Qingyuan 511518, China
| | - Chongyang Wang
- Zhuhai Precision Medical Center, Zhuhai People's Hospital (Zhuhai Hospital Affiliated with Jinan University), Jinan University, Guangzhou 510632, China
| | - Jingming Zheng
- Department of Pathogen Biology, School of Medicine, Jinan University, Guangzhou 510632, China
| | - Yimin Li
- Department of Pathogen Biology, School of Medicine, Jinan University, Guangzhou 510632, China
| | - Caixian Yang
- Department of Endocrinology, Sixth Affiliated Hospital of Guangzhou Medical University, Qingyuan People's Hospital, Qingyuan 511518, China
| | - Qin-Li Wan
- Department of Pathogen Biology, School of Medicine, Jinan University, Guangzhou 510632, China
| | - Jie Shen
- Department of Endocrinology and Metabolism, The Third Affiliated Hospital, Southern Medical University, Guangzhou 510630, China
- Institute and Department of Endocrinology and Metabolism, Shunde Hospital, Southern Medical University (The First People's Hospital of Shunde), Foshan 528399, China
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13
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Liu JK. Antiaging agents: safe interventions to slow aging and healthy life span extension. NATURAL PRODUCTS AND BIOPROSPECTING 2022; 12:18. [PMID: 35534591 PMCID: PMC9086005 DOI: 10.1007/s13659-022-00339-y] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Accepted: 03/29/2022] [Indexed: 05/02/2023]
Abstract
Human longevity has increased dramatically during the past century. More than 20% of the 9 billion population of the world will exceed the age of 60 in 2050. Since the last three decades, some interventions and many preclinical studies have been found to show slowing aging and increasing the healthy lifespan of organisms from yeast, flies, rodents to nonhuman primates. The interventions are classified into two groups: lifestyle modifications and pharmacological/genetic manipulations. Some genetic pathways have been characterized to have a specific role in controlling aging and lifespan. Thus, all genes in the pathways are potential antiaging targets. Currently, many antiaging compounds target the calorie-restriction mimetic, autophagy induction, and putative enhancement of cell regeneration, epigenetic modulation of gene activity such as inhibition of histone deacetylases and DNA methyltransferases, are under development. It appears evident that the exploration of new targets for these antiaging agents based on biogerontological research provides an incredible opportunity for the healthcare and pharmaceutical industries. The present review focus on the properties of slow aging and healthy life span extension of natural products from various biological resources, endogenous substances, drugs, and synthetic compounds, as well as the mechanisms of targets for antiaging evaluation. These bioactive compounds that could benefit healthy aging and the potential role of life span extension are discussed.
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Affiliation(s)
- Ji-Kai Liu
- School of Pharmaceutical Sciences, South-Central University for Nationalities, Wuhan, 430074, People's Republic of China.
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14
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Orientin Prolongs the Longevity of Caenorhabditis elegans and Postpones the Development of Neurodegenerative Diseases via Nutrition Sensing and Cellular Protective Pathways. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:8878923. [PMID: 35237385 PMCID: PMC8885179 DOI: 10.1155/2022/8878923] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Accepted: 02/02/2022] [Indexed: 12/16/2022]
Abstract
Age is the major risk factor for most of the deadliest diseases. Developing small molecule drugs with antiaging effects could improve the health of aged people and retard the onset and progress of aging-associated disorders. Bioactive secondary metabolites from medicinal plants are the main source for development of medication. Orientin is a water-soluble flavonoid monomer compound widely found in many medicinal plants. Orientin inhibits fat production, antioxidation, and anti-inflammatory activities. In this study, we explored whether orientin could affect the aging of C. elegans. We found that orientin improved heat, oxidative, and pathogenic stress resistances through activating stress responses, including HSF-1-mediated heat shock response, SKN-1-mediated xenobiotic and oxidation response, mitochondria unfolded responses, endoplasmic unfolded protein response, and increased autophagy activity. Orientin also could activate key regulators of the nutrient sensing pathway, including AMPK and insulin downstream transcription factor FOXO/DAF-16 to further improve the cellular health status. The above effects of orientin reduced the accumulation of toxic proteins (α-synuclein, β-amyloid, and poly-Q) and delayed the onset of neurodegenerative disorders in AD, PD, and HD models of C. elegans and finally increased the longevity and health span of C. elegans. Our results suggest that orientin has promising antiaging effects and could be a potential natural source for developing novel therapeutic drugs for aging and its related diseases.
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15
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Liu X, Zhan Y, Xu W, Liu L, Liu X, Da J, Zhang K, Zhang X, Wang J, Liu Z, Jin H, Zhang B, Li Y. Characterization of transcriptional landscape in bone marrow-derived mesenchymal stromal cells treated with aspirin by RNA-seq. PeerJ 2022; 10:e12819. [PMID: 35127290 PMCID: PMC8793730 DOI: 10.7717/peerj.12819] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2021] [Accepted: 12/30/2021] [Indexed: 01/10/2023] Open
Abstract
INTRODUCTION Aspirin is a common antipyretic, analgesic, and anti-inflammatory drug, which has been reported to extend life in animal models and application in the treatment of aging-related diseases. However, it remains unclear about the effects of aspirin on bone marrow-derived mesenchymal stromal cells (BM-MSCs). Here, we aimed to analyze the influence of aspirin on senescence and young BM-MSCs. METHODS BM-MSCs were serially passaged to construct a replicative senescence model. SA-β-gal staining, PCR, western blot, and RNA-sequencing were performed on BM-MSCs with or without aspirin treatment, to examine aspirin's impact on bone marrow-derived mesenchymal stem cells. RESULTS SA-β-gal staining, PCR, and western blot revealed that aspirin could alleviate the cellular expression of senescence-related indicators of BM-MSCs, including a decrease of SA-β-gal-positive cells and staining intensity, and downregulation of p16, p21, and p53 expression after aspirin treatment. RNA-sequencing results shown in the biological processes related to aging, aspirin could influence cellular immune response and lipid metabolism. CONCLUSION The efficacy of aspirin for retarding senescence of BM-MSCs was demonstrated. Our study indicated that the mechanisms of this delay might involve influencing immune response and lipid metabolism.
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Affiliation(s)
- Xinpeng Liu
- Heilongjiang Provincial Key Laboratory of Hard Tissue Development and Regeneration, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Yuanbo Zhan
- Heilongjiang Provincial Key Laboratory of Hard Tissue Development and Regeneration, The Second Affiliated Hospital of Harbin Medical University, Harbin, China,The Second Affiliated Hospital of Harbin Medical University, Department of Periodontology and Oral Mucosa, Harbin, China
| | - Wenxia Xu
- Heilongjiang Provincial Key Laboratory of Hard Tissue Development and Regeneration, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Lixue Liu
- Heilongjiang Provincial Key Laboratory of Hard Tissue Development and Regeneration, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Xiaoyao Liu
- Heilongjiang Provincial Key Laboratory of Hard Tissue Development and Regeneration, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Junlong Da
- Heilongjiang Provincial Key Laboratory of Hard Tissue Development and Regeneration, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Kai Zhang
- Heilongjiang Provincial Key Laboratory of Hard Tissue Development and Regeneration, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Xinjian Zhang
- Heilongjiang Provincial Key Laboratory of Hard Tissue Development and Regeneration, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Jianqun Wang
- Heilongjiang Provincial Key Laboratory of Hard Tissue Development and Regeneration, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Ziqi Liu
- Heilongjiang Provincial Key Laboratory of Hard Tissue Development and Regeneration, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Han Jin
- Heilongjiang Provincial Key Laboratory of Hard Tissue Development and Regeneration, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Bin Zhang
- Heilongjiang Provincial Key Laboratory of Hard Tissue Development and Regeneration, The Second Affiliated Hospital of Harbin Medical University, Harbin, China,Heilongjiang Academy of Medical Sciences, Harbin, China
| | - Ying Li
- Heilongjiang Provincial Key Laboratory of Hard Tissue Development and Regeneration, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
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16
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Zhou L, Liu J, Bu LL, Liao DF, Cheng SW, Zheng XL. Curcumin Acetylsalicylate Extends the Lifespan of Caenorhabditis elegans. Molecules 2021; 26:molecules26216609. [PMID: 34771018 PMCID: PMC8586958 DOI: 10.3390/molecules26216609] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2021] [Revised: 10/26/2021] [Accepted: 10/27/2021] [Indexed: 12/17/2022] Open
Abstract
Aspirin and curcumin have been reported to be beneficial to anti-aging in a variety of biological models. Here, we synthesized a novel compound, curcumin acetylsalicylate (CA), by combining aspirin and curcumin. We characterized how CA affects the lifespan of Caenorhabditis elegans (C. elegans) worms. Our results demonstrated that CA extended the lifespan of worms in a dose-dependent manner and reached its highest anti-aging effect at the concentration of 20 μM. In addition, CA reduced the deposition of lipofuscin or "age pigment" without affecting the reproductivity of worms. CA also caused a rightward shift of C. elegans lifespan curves in the presence of paraquat-induced (5 mM) oxidative stress or 37 °C acute heat shock. Additionally, CA treatment decreased the reactive oxygen species (ROS) level in C. elegans and increased the expression of downstream genes superoxide dismutase (sod)-3, glutathione S-transferase (gst)-4, heat shock protein (hsp)-16.2, and catalase-1 (ctl-1). Notably, CA treatment resulted in nuclear translocation of the DAF-16 transcription factor, which is known to stimulate the expression of SOD-3, GST-4, HSP-16, and CTL-1. CA did not produce a longevity effect in daf-16 mutants. In sum, our data indicate that CA delayed the aging of C. elegans without affecting reproductivity, and this effect may be mediated by its activation of DAF-16 and subsequent expression of antioxidative genes, such as sod-3 and gst-4. Our study suggests that novel anti-aging drugs may be developed by combining two individual drugs.
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Affiliation(s)
- Lei Zhou
- Key Laboratory of Hunan Province for Integrated Traditional Chinese and Western Medicine on Prevention and Treatment of Cardio-Cerebral Diseases, College of Integrated Chinese and Western Medicine, Hunan University of Chinese Medicine, Changsha 410208, China; (L.Z.); (J.L.)
| | - Jin Liu
- Key Laboratory of Hunan Province for Integrated Traditional Chinese and Western Medicine on Prevention and Treatment of Cardio-Cerebral Diseases, College of Integrated Chinese and Western Medicine, Hunan University of Chinese Medicine, Changsha 410208, China; (L.Z.); (J.L.)
| | - Lan-Lan Bu
- Division of Stem Cell Regulation and Application, Key Laboratory for Quality Evaluation of Bulk Herbs of Hunan Province, Hunan University of Chinese Medicine, Changsha 410208, China; (L.-L.B.); (D.-F.L.)
| | - Duan-Fang Liao
- Division of Stem Cell Regulation and Application, Key Laboratory for Quality Evaluation of Bulk Herbs of Hunan Province, Hunan University of Chinese Medicine, Changsha 410208, China; (L.-L.B.); (D.-F.L.)
| | - Shao-Wu Cheng
- Key Laboratory of Hunan Province for Integrated Traditional Chinese and Western Medicine on Prevention and Treatment of Cardio-Cerebral Diseases, College of Integrated Chinese and Western Medicine, Hunan University of Chinese Medicine, Changsha 410208, China; (L.Z.); (J.L.)
- Correspondence: (S.-W.C.); (X.-L.Z.); Tel.: +1 (403)-220-8715 (X.-L.Z.); Fax: +1 (403)-210-9180 (X.-L.Z.)
| | - Xi-Long Zheng
- Departments of Biochemistry & Molecular Biology and Physiology & Pharmacology, Libin Cardiovascular Institute, Cumming School of Medicine, University of Calgary, Calgary, AB T2N 4Z6, Canada
- Correspondence: (S.-W.C.); (X.-L.Z.); Tel.: +1 (403)-220-8715 (X.-L.Z.); Fax: +1 (403)-210-9180 (X.-L.Z.)
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17
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A collective analysis of lifespan-extending compounds in diverse model organisms, and of species whose lifespan can be extended the most by the application of compounds. Biogerontology 2021; 22:639-653. [PMID: 34687363 DOI: 10.1007/s10522-021-09941-y] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2021] [Accepted: 10/17/2021] [Indexed: 12/13/2022]
Abstract
Research on aging and lifespan-extending compounds has been carried out using diverse model organisms, including yeast, worms, flies and mice. Many studies reported the identification of novel lifespan-extending compounds in different species, some of which may have the potential to translate to the clinic. However, studies collectively and comparatively analyzing all the data available in these studies are highly limited. Here, by using data from the DrugAge database, we first identified top compounds in terms of their effects on percent change in average lifespan of diverse organisms, collectively (n = 1728). We found that, when data from all organisms studied were combined for each compound, aspirin resulted in the highest percent increase in average lifespan (52.01%), followed by minocycline (27.30%), N-acetyl cysteine (17.93%), nordihydroguaiaretic acid (17.65%) and rapamycin (15.66%), in average. We showed that minocycline led to the highest percent increase in average lifespan among other compounds, in both Drosophila melanogaster (28.09%) and Caenorhabditis elegans (26.67%), followed by curcumin (11.29%) and gluconic acid (5.51%) for D. melanogaster and by metformin (26.56%), resveratrol (15.82%) and quercetin (9.58%) for C. elegans. Moreover, we found that top 5 species whose lifespan can be extended the most by compounds with lifespan-extending properties are Philodina acuticornis, Acheta domesticus, Aeolosoma viride, Mytilina brevispina and Saccharomyces cerevisiae (211.80%, 76%, 70.26%, 55.18% and 45.71% in average, respectively). This study provides novel insights on lifespan extension in model organisms, and highlights the importance of databases with high quality content curated by researchers from multiple resources, in aging research.
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18
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Liu H, Qiu Y, Wang D. Alteration in expressions of ion channels in Caenorhabditis elegans exposed to polystyrene nanoparticles. CHEMOSPHERE 2021; 273:129686. [PMID: 33486351 DOI: 10.1016/j.chemosphere.2021.129686] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2020] [Revised: 12/28/2020] [Accepted: 01/15/2021] [Indexed: 06/12/2023]
Abstract
Ion channels on cytoplasmic membrane function to sense various environmental stimuli. We here determined the changes of genes encoding ion channels in Caenorhabditis elegans after exposure to polystyrene nanoparticles (PS-NPs). Exposure to 1-1000 μg/L PS-NPs could increase expressions of egl-19, mec-10, trp-4, trp-2, tax-4, cca-1, unc-2, and unc-93, and decrease the expressions of cng-3, mec-6, ocr-2, deg-1, exc-4, kvs-1, and eat-2. Among these 15 ion channel genes, RNAi knockdown of cng-3 or eat-2 caused resistance to PS-NPs toxicity and RNAi knockdown of egl-19, cca-1, tax-4, or unc-93 induced susceptibility to PS-NPs toxicity, suggesting that cng-3, eat-2, egl-19, cca-1, tax-4, and unc-93 were involved in the control of PS-NPs toxicity. EGL-19 and CCA-1 functioned in intestinal cells to control PS-NPs toxicity, and CNG-3, EAT-2, EGL-19, TAX-4, and UNC-93 functioned in neuronal cells to control PS-NPs. Moreover, in intestinal cells of PS-NPs exposed worms, cca-1 RNAi knockdown decreased elt-2 expression, and egl-19 RNAi knockdown decreased daf-16 and elt-2 expressions. In neuronal cells of PS-NPs exposed worms, eat-2 RNAi knockdown increased jnk-1, mpk-1, and dbl-1 expressions, unc-93 RNAi knockdown decreased mpk-1 and daf-7 expressions, and tax-4 RNAi knockdown decreased jnk-1 and daf-7 expressions. Therefore, two molecular networks mediated by ion channels in intestinal cells and neuronal cells were dysregulated by PS-NPs exposure in C. elegans. Our data suggested that the dysregulation in expressions of these ion channels mediated a protective response to PS-NPs in the range of μg/L in worms.
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Affiliation(s)
- Huanliang Liu
- Key Laboratory of Environmental Medicine Engineering of Ministry of Education, Medical School, Southeast University, Nanjing, 210009, China
| | - Yuexiu Qiu
- Key Laboratory of Environmental Medicine Engineering of Ministry of Education, Medical School, Southeast University, Nanjing, 210009, China
| | - Dayong Wang
- Key Laboratory of Environmental Medicine Engineering of Ministry of Education, Medical School, Southeast University, Nanjing, 210009, China; Shenzhen Ruipuxun Academy for Stem Cell & Regenerative Medicine, Shenzhen, 518122, China; College of Biology and Food Engineering, Chongqing Three Gorges University, Wanzhou, 404100, China.
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19
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Yalcin G, Lee CK. The Discovery of Druggable Anti-aging Agents. Ann Geriatr Med Res 2021; 24:232-242. [PMID: 33389971 PMCID: PMC7781965 DOI: 10.4235/agmr.20.0092] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Accepted: 12/10/2020] [Indexed: 12/30/2022] Open
Abstract
Caloric restriction (CR) has been shown to extend the lifespan of many species. Research to identify compounds that imitate the results of CR has shown extensions of both lifespan and healthspan via different mechanisms. For example, mechanistic target of rapamycin (mTOR) inhibitors such as rapamycin, phenols, and flavonoids show antioxidant characteristics, while spermidine induces autophagy. Herein, we summarize research progress and proposed mechanisms for the most well-known compounds showing lifespan-extending potential for anti-aging characteristics.
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Affiliation(s)
- Gulperi Yalcin
- Department of Biotechnology, College of Life Sciences and Biotechnology, Korea University, Seoul, Korea
| | - Cheol-Koo Lee
- Department of Biotechnology, College of Life Sciences and Biotechnology, Korea University, Seoul, Korea
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20
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Lushchak O, Piskovatska V, Strilbytska O, Kindrat I, Stefanyshyn N, Koliada A, Bubalo V, Storey KB, Vaiserman A. Aspirin as a Potential Geroprotector: Experimental Data and Clinical Evidence. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2021; 1286:145-161. [PMID: 33725352 DOI: 10.1007/978-3-030-55035-6_11] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Aging is a biological process with effects at the molecular, cellular, tissue, organ, system, and organismal levels and is characterized by decline in physical function and higher risks of age-related diseases. The use of anti-aging drugs for disease prevention has become a high priority for science and is a new biomedicine trend. Geroprotectors are compounds which slow aging and increase lifespan of the organism in question. The common painkiller aspirin, a member of the non-steroidal anti-inflammatory drug (NSAID) family, is one of the potential geroprotective agents. Aspirin is often used in treatment of mild to moderate pain. It has anti-inflammatory and anti-pyretic properties and acts as an inhibitor of cyclooxygenase which results in inhibition of prostaglandin. Acetylsalicylic acid as an active compound of aspirin also inhibits platelet aggregation and is used in the prevention of arterial and venous thrombosis. Aspirin has shown life-extending effects in numerous model organisms. This chapter reviews the evidence for clinical efficacy of aspirin including cardiovascular disease prevention, anti-cancer effects, and improvement of cognitive function. However, there are some limitations of these therapies, including the risk of excessive bleeding. We have also summarized numerous experimental and analytical data that support health and longevity benefits of aspirin treatment by affecting pro-longevity pathways.
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Affiliation(s)
- Oleh Lushchak
- Department of Biochemistry and Biotechnology, Vasyl Stefanyk Precarpathian National University, Ivano-Frankivsk, Ukraine.
| | - Veronika Piskovatska
- Clinic for Heart Surgery, University clinic of Martin Luther University, Halle, Germany
| | - Olha Strilbytska
- Department of Biochemistry and Biotechnology, Vasyl Stefanyk Precarpathian National University, Ivano-Frankivsk, Ukraine
| | | | - Nadya Stefanyshyn
- Department of Biochemistry and Biotechnology, Vasyl Stefanyk Precarpathian National University, Ivano-Frankivsk, Ukraine
| | - Alexander Koliada
- Laboratory of Epigenetics, D.F. Chebotarev Institute of Gerontology, NAMS, Kyiv, Ukraine
| | - Volodymyr Bubalo
- Laboratory of Experimental Toxicology and Mutagenesis L.I. Medved's Research Center of Preventive Toxicology, Food and Chemical Safety, MHU, Kyiv, Ukraine
| | | | - Alexander Vaiserman
- Laboratory of Epigenetics, D.F. Chebotarev Institute of Gerontology, NAMS, Kyiv, Ukraine
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21
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Vaiserman A, Koliada A, Lushchak O, Castillo MJ. Repurposing drugs to fight aging: The difficult path from bench to bedside. Med Res Rev 2020; 41:1676-1700. [PMID: 33314257 DOI: 10.1002/med.21773] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2020] [Revised: 11/15/2020] [Accepted: 12/02/2020] [Indexed: 12/23/2022]
Abstract
The steady rise in life expectancy occurred across all developed countries during the last century. This demographic trend is, however, not accompanied by the same healthspan extension. This is since aging is the main risk factor for all age-associated pathological conditions. Therefore, slowing the rate of aging is suggested to be more efficient in preventing or delaying age-related diseases than treat them one by one, which is the common approach in a current pharmacological disease-oriented paradigm. To date, a variety of medications designed to treat particular pathological conditions have been shown to exhibit pro-longevity effects in different experimental models. Among them, there are many commonly used prescription and over-the-counter pharmaceuticals such as metformin, rapamycin, aspirin, statins, melatonin, vitamin antioxidants, etc. All of them are being increasingly investigated in preclinical and clinical trials with the aim of determine whether they have potential for extension of human healthspan. The results from these trials are frequently inconclusive and fall short of initial expectations, suggesting that innovative research ideas and additional translational steps are required to overcome obstacles for implementation of such approaches in clinical practice. In this review, recent advances and challenges in the field of repurposing widely used conventional pharmaceuticals to target the aging process are summarized and discussed.
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Affiliation(s)
| | | | - Oleh Lushchak
- Department of Biochemistry and Biotechnology, Vasyl Stefanyk Precarpathian National University, Ivano-Frankivsk, Ukraine
| | - Manuel J Castillo
- Department of Medical Physiology, School of Medicine, University of Granada, Granada, Spain
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22
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Wan QL, Meng X, Fu X, Chen B, Yang J, Yang H, Zhou Q. Intermediate metabolites of the pyrimidine metabolism pathway extend the lifespan of C. elegans through regulating reproductive signals. Aging (Albany NY) 2020; 11:3993-4010. [PMID: 31232697 PMCID: PMC6629003 DOI: 10.18632/aging.102033] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2019] [Accepted: 06/13/2019] [Indexed: 01/22/2023]
Abstract
The pyrimidine metabolism pathway has important biological functions; it not only maintains appropriate pyrimidine pools but also produces bioactive intermediate metabolites. In a previous study, we identified that the pyrimidine metabolism pathway is associated with aging regulation. However, the molecular mechanism by which the pyrimidine metabolism pathway regulates aging remains unclear. Here, we investigated the longevity effect of pyrimidine intermediates on Caenorhabditis elegans (C. elegans). Our results demonstrated that the supplementation of some pyrimidine intermediates could extend the lifespan of C. elegans. In addition, the RNAi knockdown of essential enzymes involved in pyrimidine metabolism could also significantly affect lifespan. We further investigated the molecular mechanism by which a representative intermediate metabolite, thymine, extends the lifespan of worms and found that thymine-induced longevity required the nuclear receptors DAF-12 and NHR-49, and the transcription factor DAF-16/FOXO. Further pathway analysis revealed that the longevity effect of thymine depended on the inhibition of reproductive signals. Additionally, we found that other pyrimidine intermediates functioned in a manner similar to thymine to prolong lifespan in C. elegans. Taken together, our results revealed that pyrimidine intermediates increased lifespan by inhibiting reproductive signals and subsequently inducing the function of DAF-12, NHR-49 and DAF-16 in C. elegans.
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Affiliation(s)
- Qin-Li Wan
- The Center for Precision Medicine of First Affiliated Hospital, Biomedical Translational Research Institute, Jinan University, Guangzhou 510632, China
| | - Xiao Meng
- The Center for Precision Medicine of First Affiliated Hospital, Biomedical Translational Research Institute, Jinan University, Guangzhou 510632, China
| | - Xiaodie Fu
- The Center for Precision Medicine of First Affiliated Hospital, Biomedical Translational Research Institute, Jinan University, Guangzhou 510632, China
| | - Bohui Chen
- The Center for Precision Medicine of First Affiliated Hospital, Biomedical Translational Research Institute, Jinan University, Guangzhou 510632, China
| | - Jing Yang
- The Center for Precision Medicine of First Affiliated Hospital, Biomedical Translational Research Institute, Jinan University, Guangzhou 510632, China
| | - Hengwen Yang
- The Center for Precision Medicine of First Affiliated Hospital, Biomedical Translational Research Institute, Jinan University, Guangzhou 510632, China
| | - Qinghua Zhou
- The Center for Precision Medicine of First Affiliated Hospital, Biomedical Translational Research Institute, Jinan University, Guangzhou 510632, China
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23
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Bulterijs S, Braeckman BP. Phenotypic Screening in C. elegans as a Tool for the Discovery of New Geroprotective Drugs. Pharmaceuticals (Basel) 2020; 13:E164. [PMID: 32722365 PMCID: PMC7463874 DOI: 10.3390/ph13080164] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2020] [Revised: 07/22/2020] [Accepted: 07/22/2020] [Indexed: 01/10/2023] Open
Abstract
Population aging is one of the largest challenges of the 21st century. As more people live to advanced ages, the prevalence of age-related diseases and disabilities will increase placing an ever larger burden on our healthcare system. A potential solution to this conundrum is to develop treatments that prevent, delay or reduce the severity of age-related diseases by decreasing the rate of the aging process. This ambition has been accomplished in model organisms through dietary, genetic and pharmacological interventions. The pharmacological approaches hold the greatest opportunity for successful translation to the clinic. The discovery of such pharmacological interventions in aging requires high-throughput screening strategies. However, the majority of screens performed for geroprotective drugs in C. elegans so far are rather low throughput. Therefore, the development of high-throughput screening strategies is of utmost importance.
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Affiliation(s)
- Sven Bulterijs
- Laboratory of Aging Physiology and Molecular Evolution, Department of Biology, Ghent University, 9000 Ghent, Belgium
| | - Bart P. Braeckman
- Laboratory of Aging Physiology and Molecular Evolution, Department of Biology, Ghent University, 9000 Ghent, Belgium
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24
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Martel J, Wu CY, Peng HH, Ko YF, Yang HC, Young JD, Ojcius DM. Plant and fungal products that extend lifespan in Caenorhabditis elegans. MICROBIAL CELL (GRAZ, AUSTRIA) 2020; 7:255-269. [PMID: 33015140 PMCID: PMC7517010 DOI: 10.15698/mic2020.10.731] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/23/2020] [Revised: 06/23/2020] [Accepted: 06/25/2020] [Indexed: 12/16/2022]
Abstract
The nematode Caenorhabditis elegans is a useful model to study aging due to its short lifespan, ease of manipulation, and available genetic tools. Several molecules and extracts derived from plants and fungi extend the lifespan of C. elegans by modulating aging-related pathways that are conserved in more complex organisms. Modulation of aging pathways leads to activation of autophagy, mitochondrial biogenesis and expression of antioxidant and detoxifying enzymes in a manner similar to caloric restriction. Low and moderate concentrations of plant and fungal molecules usually extend lifespan, while high concentrations are detrimental, consistent with a lifespan-modulating mechanism involving hormesis. We review here molecules and extracts derived from plants and fungi that extend the lifespan of C. elegans, and explore the possibility that these natural substances may produce health benefits in humans.
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Affiliation(s)
- Jan Martel
- Center for Molecular and Clinical Immunology, Chang Gung University, Taoyuan, Taiwan
- Chang Gung Immunology Consortium, Chang Gung Memorial Hospital at Linkou, Taoyuan, Taiwan
| | - Cheng-Yeu Wu
- Center for Molecular and Clinical Immunology, Chang Gung University, Taoyuan, Taiwan
- Chang Gung Immunology Consortium, Chang Gung Memorial Hospital at Linkou, Taoyuan, Taiwan
- Research Center of Bacterial Pathogenesis, Chang Gung University, Taoyuan, Taiwan
| | - Hsin-Hsin Peng
- Center for Molecular and Clinical Immunology, Chang Gung University, Taoyuan, Taiwan
- Chang Gung Immunology Consortium, Chang Gung Memorial Hospital at Linkou, Taoyuan, Taiwan
- Laboratory Animal Center, Chang Gung Memorial Hospital at Linkou, Taoyuan, Taiwan
| | - Yun-Fei Ko
- Chang Gung Immunology Consortium, Chang Gung Memorial Hospital at Linkou, Taoyuan, Taiwan
- Chang Gung Biotechnology Corporation, Taipei, Taiwan
- Biochemical Engineering Research Center, Ming Chi University of Technology, New Taipei City, Taiwan
| | - Hung-Chi Yang
- Department of Medical Laboratory Science and Biotechnology, Yuanpei University of Medical Technology, Hsinchu, Taiwan
| | - John D. Young
- Chang Gung Biotechnology Corporation, Taipei, Taiwan
| | - David M. Ojcius
- Center for Molecular and Clinical Immunology, Chang Gung University, Taoyuan, Taiwan
- Chang Gung Immunology Consortium, Chang Gung Memorial Hospital at Linkou, Taoyuan, Taiwan
- Department of Biomedical Sciences, University of the Pacific, Arthur Dugoni School of Dentistry, San Francisco, CA, USA
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25
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Darcy J, Fang Y, McFadden S, Lynes MD, Leiria LO, Dreyfuss JM, Bussburg V, Tolstikov V, Greenwood B, Narain NR, Kiebish MA, Bartke A, Tseng YH. Integrated metabolomics reveals altered lipid metabolism in adipose tissue in a model of extreme longevity. GeroScience 2020; 42:1527-1546. [PMID: 32632845 DOI: 10.1007/s11357-020-00221-0] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2020] [Accepted: 06/18/2020] [Indexed: 12/15/2022] Open
Abstract
Adipose tissue plays an essential role in metabolic health. Ames dwarf mice are exceptionally long-lived and display metabolically beneficial phenotypes in their adipose tissue, providing an ideal model for studying the intersection between adipose tissue and longevity. To this end, we assessed the metabolome and lipidome of adipose tissue in Ames dwarf mice. We observed distinct lipid profiles in brown versus white adipose tissue of Ames dwarf mice that are consistent with increased thermogenesis and insulin sensitivity, such as increased cardiolipin and decreased ceramide concentrations. Moreover, we identified 5-hydroxyeicosapentaenoic acid (5-HEPE), an ω-3 fatty acid metabolite, to be increased in Ames dwarf brown adipose tissue (BAT), as well as in circulation. Importantly, 5-HEPE is increased in other models of BAT activation and is negatively correlated with body weight, insulin resistance, and circulating triglyceride concentrations in humans. Together, these data represent a novel lipid signature of adipose tissue in a mouse model of extreme longevity.
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Affiliation(s)
- Justin Darcy
- Joslin Diabetes Center, Section on Integrative Physiology and Metabolism, Harvard Medical School, Boston, MA, USA
| | - Yimin Fang
- Department of Internal Medicine, Geriatric Research, Southern Illinois University School of Medicine, Springfield, IL, USA
| | - Samuel McFadden
- Department of Internal Medicine, Geriatric Research, Southern Illinois University School of Medicine, Springfield, IL, USA
| | - Matthew D Lynes
- Joslin Diabetes Center, Section on Integrative Physiology and Metabolism, Harvard Medical School, Boston, MA, USA
| | - Luiz O Leiria
- Joslin Diabetes Center, Section on Integrative Physiology and Metabolism, Harvard Medical School, Boston, MA, USA
- Center for Research in Inflammatory Diseases (CRID), Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, SP, Brazil
| | - Jonathan M Dreyfuss
- Bioinformatics and Biostatistics Core, Joslin Diabetes Center, Harvard Medical School, Boston, MA, USA
| | | | | | | | | | | | - Andrzej Bartke
- Department of Internal Medicine, Geriatric Research, Southern Illinois University School of Medicine, Springfield, IL, USA
| | - Yu-Hua Tseng
- Joslin Diabetes Center, Section on Integrative Physiology and Metabolism, Harvard Medical School, Boston, MA, USA.
- Harvard Stem Cell Institute, Harvard University, Cambridge, MA, USA.
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26
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De la Parra-Guerra A, Stürzenbaum S, Olivero-Verbel J. Intergenerational toxicity of nonylphenol ethoxylate (NP-9) in Caenorhabditis elegans. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2020; 197:110588. [PMID: 32289633 DOI: 10.1016/j.ecoenv.2020.110588] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/08/2020] [Revised: 03/22/2020] [Accepted: 04/01/2020] [Indexed: 05/24/2023]
Abstract
The ethoxylated isomers of nonylphenol (NPEs, NP-9) are one of the main active ingredients present in nonionic surfactants employed as herbicides, cosmetics, paints, plastics, disinfectants and detergents. These chemicals and their metabolites are commonly found in environmental matrices. The aim of this work was to evaluate the intergenerational toxicity of NP-9 in Caenorhabditis elegans. The lethality, length, width, locomotion and lifespan were investigated in the larval stage L4 of the wild strain N2. Transgenic green fluorescent protein (GFP) strains were employed to estimate changes in relative gene expression. RT-qPCR was utilized to measure mRNA expression for neurotoxicity-related genes (unc-30, unc-25, dop-3, dat-1, mgl-1, and eat-4). Data were obtained from parent worms (P0) and the first generation (F1). Lethality of the nematode was concentration-dependent, with 48 h-LC50 values of 3215 and 1983 μM in P0 and F1, respectively. Non-lethal concentrations of NP-9 reduced locomotion. Lifespan was also decreased by the xenobiotic, but the negative effect was greater in P0 than in F1. Non-monotonic concentration-response curves were observed for body length and width in both generations. The gene expression profile in P0 was different from that registered in F1, although the expression of sod-4, hsp-70, gpx-6 and mtl-2 increased with the surfactant concentration in both generations. None of the tested genes followed a classical concentration-neurotoxicity relationship. In P0, dopamine presented an inverted-U curve, while GABA and glutamate displayed a bimodal type. However, in F1, inverted U-shaped curves were revealed for these genes. In summary, NP-9 induced intergenerational responses in C. elegans through mechanisms involving ROS, and alterations of the GABA, glutamate, and dopamine pathways.
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Affiliation(s)
- Ana De la Parra-Guerra
- Environmental and Computational Chemistry Group, University of Cartagena, Cartagena, Colombia.
| | - Stephen Stürzenbaum
- School of Population Health & Environmental Sciences, Faculty of Life Science & Medicine, King's College London, London, UK.
| | - Jesus Olivero-Verbel
- Environmental and Computational Chemistry Group, University of Cartagena, Cartagena, Colombia.
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27
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Wu ZQ, Li K, Tian X, Zhou MX, Li ZJ. Schisandra chinensis water extract protects ethanol-induced neurotoxicity in Caenorhabditis elegans. J Food Biochem 2020; 44:e13249. [PMID: 32524635 DOI: 10.1111/jfbc.13249] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2019] [Revised: 03/16/2020] [Accepted: 04/01/2020] [Indexed: 12/12/2022]
Abstract
The protective effect of Schisandra chinensis water extract (SWE) on ethanol-induced neurotoxicity in Caenorhabditis elegans and the underlying mechanism were investigated. Young worms were exposed to ethanol or a mixture of ethanol and SWE for 24 hr. Locomotion ability, tissue ethanol concentration, free radical content, antioxidant enzyme activity, lifespan, and expression of key dopaminergic nervous system-related genes were evaluated. Ethanol affected the motion ability of worms and shortened their lifespan. Ethanol intake increased the tissue ethanol concentration, resulting in redox imbalance, and dopamine release and accumulation. SWE alleviated motility loss of C. elegans and extended their lifespan. It reduced the tissue ethanol concentration and free radical content, likely because it alleviated oxidative stress. Finally, SWE inhibited continuous dopamine excitement. These results suggest that SWE plays a protective role in dopaminergic neurons. It can be used to treat ethanol-induced neurotoxicity, and to investigate its potential mechanism. PRACTICAL APPLICATIONS: Schisandra chinensis is a traditional functional food that has protective effects on the liver and brain. Although S. chinensis is found in some anti-alcohol products, the effects of S. chinensis on neurological and behavioral disorders caused by alcohol are rarely reported. The manuscript explored the protective effect of SWE on ethanol-induced nerve injury in Caenorhabditis elegans, and we preliminarily discussed the underlying mechanism. The results suggested that SWE can alleviate ethanol-induced neurotoxicity. Meanwhile, the results provide a theoretical basis for better use of S. chinensis to develop products to antagonize the side effects of alcohol. In addition, the method of using C. elegans model to evaluate the protective effect of S. chinensis on ethanol-induced nerve injury can provide practical reference for the screening and utilization of other plant functional components.
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Affiliation(s)
- Zhong-Qin Wu
- Hunan Province Key Laboratory of Food Science and Biotechnology, College of Food Science and Technology, Hunan Agricultural University, Changsha, PR China
| | - Ke Li
- Hunan Province Key Laboratory of Food Science and Biotechnology, College of Food Science and Technology, Hunan Agricultural University, Changsha, PR China
| | - Xing Tian
- Hunan Province Key Laboratory of Food Science and Biotechnology, College of Food Science and Technology, Hunan Agricultural University, Changsha, PR China.,Department of Food and Drug Engineering, School of Pharmacy, Hunan University of Chinese Medicine, Changsha, PR China
| | - Ming-Xi Zhou
- Hunan Province Key Laboratory of Food Science and Biotechnology, College of Food Science and Technology, Hunan Agricultural University, Changsha, PR China
| | - Zong-Jun Li
- Hunan Province Key Laboratory of Food Science and Biotechnology, College of Food Science and Technology, Hunan Agricultural University, Changsha, PR China
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28
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Partridge L, Fuentealba M, Kennedy BK. The quest to slow ageing through drug discovery. Nat Rev Drug Discov 2020; 19:513-532. [DOI: 10.1038/s41573-020-0067-7] [Citation(s) in RCA: 142] [Impact Index Per Article: 35.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/16/2020] [Indexed: 02/07/2023]
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29
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Wan QL, Fu X, Dai W, Yang J, Luo Z, Meng X, Liu X, Zhong R, Yang H, Zhou Q. Uric acid induces stress resistance and extends the life span through activating the stress response factor DAF-16/FOXO and SKN-1/NRF2. Aging (Albany NY) 2020; 12:2840-2856. [PMID: 32074508 PMCID: PMC7041755 DOI: 10.18632/aging.102781] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2019] [Accepted: 01/19/2020] [Indexed: 02/07/2023]
Abstract
Uric acid is a common metabolite found in mammals’ serum. Recently, several metabolites have been identified that modulate aging, and uric acid levels are positively correlated with mammals’ lifespan. However, the molecular mechanisms underlying this are largely undefined. Here we show that uric acid, an end product of purine metabolism, enhances the resistance of oxidative stress and extends the life span of Caenorhabditis elegans (C. elegans). We show that uric acid enhances a variety of pathways and leads to the upregulation of genes that are required for uric acid-mediated life span extension. We find that the transcription factors DAF-16/FOXO, SKN-1/NRF2 and HSF-1 contribute to the beneficial longevity conferred by uric acid. We also show that uric acid induced life span extension by regulating the reproductive signaling and insulin/IGF-1 signaling (IIS) pathways. In addition, we find that mitochondrial function plays an important role in uric acid-mediated life span extension. Taken together, these data suggest that uric acid prolongs the life span of C. elegans, in part, because of its antioxidative activity, which in turn regulates the IIS and the reproductive signaling pathways, thereby activating the function of the transcription factors DAF-16, HSF-1 and SKN-1.
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Affiliation(s)
- Qin-Li Wan
- Zhuhai Precision Medical Center, Zhuhai People's Hospital (Zhuhai Hospital Affiliated with Jinan University), Jinan University, Guangdong 510632, Guangzhou, China.,The Biomedical Translational Research Institute, Faculty of Medical Science, Jinan University, Guangdong 510632, Guangzhou, China
| | - Xiaodie Fu
- Zhuhai Precision Medical Center, Zhuhai People's Hospital (Zhuhai Hospital Affiliated with Jinan University), Jinan University, Guangdong 510632, Guangzhou, China.,The Biomedical Translational Research Institute, Faculty of Medical Science, Jinan University, Guangdong 510632, Guangzhou, China
| | - Wenyu Dai
- Zhuhai Precision Medical Center, Zhuhai People's Hospital (Zhuhai Hospital Affiliated with Jinan University), Jinan University, Guangdong 510632, Guangzhou, China.,The Biomedical Translational Research Institute, Faculty of Medical Science, Jinan University, Guangdong 510632, Guangzhou, China
| | - Jing Yang
- Zhuhai Precision Medical Center, Zhuhai People's Hospital (Zhuhai Hospital Affiliated with Jinan University), Jinan University, Guangdong 510632, Guangzhou, China.,The Biomedical Translational Research Institute, Faculty of Medical Science, Jinan University, Guangdong 510632, Guangzhou, China
| | - Zhenhuan Luo
- Zhuhai Precision Medical Center, Zhuhai People's Hospital (Zhuhai Hospital Affiliated with Jinan University), Jinan University, Guangdong 510632, Guangzhou, China.,The Biomedical Translational Research Institute, Faculty of Medical Science, Jinan University, Guangdong 510632, Guangzhou, China
| | - Xiao Meng
- Zhuhai Precision Medical Center, Zhuhai People's Hospital (Zhuhai Hospital Affiliated with Jinan University), Jinan University, Guangdong 510632, Guangzhou, China.,The Biomedical Translational Research Institute, Faculty of Medical Science, Jinan University, Guangdong 510632, Guangzhou, China
| | - Xiao Liu
- Qingyuan People's Hospital, The Six Affiliated Hospital of Guangzhou Medical University, Guangdong 511518, Qingyuan, China
| | - Ruowei Zhong
- Internship Program, The Biomedical Translational Research Institute, Faculty of Medical Science, Jinan University, Guangdong, 510632, Guangzhou, China
| | - Hengwen Yang
- Zhuhai Precision Medical Center, Zhuhai People's Hospital (Zhuhai Hospital Affiliated with Jinan University), Jinan University, Guangdong 510632, Guangzhou, China.,The Biomedical Translational Research Institute, Faculty of Medical Science, Jinan University, Guangdong 510632, Guangzhou, China
| | - Qinghua Zhou
- Zhuhai Precision Medical Center, Zhuhai People's Hospital (Zhuhai Hospital Affiliated with Jinan University), Jinan University, Guangdong 510632, Guangzhou, China.,The Biomedical Translational Research Institute, Faculty of Medical Science, Jinan University, Guangdong 510632, Guangzhou, China
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30
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Menendez JA, Cuyàs E, Folguera-Blasco N, Verdura S, Martin-Castillo B, Joven J, Alarcón T. In silico clinical trials for anti-aging therapies. Aging (Albany NY) 2019; 11:6591-6601. [PMID: 31444969 PMCID: PMC6738435 DOI: 10.18632/aging.102180] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2019] [Accepted: 08/09/2019] [Indexed: 12/19/2022]
Abstract
Therapeutic strategies targeting the hallmarks of aging can be broadly grouped into four categories, namely systemic (blood) factors, metabolic manipulation (diet regimens and dietary restriction mimetics), suppression of cellular senescence (senolytics), and cellular reprogramming, which likely have common characteristics and mechanisms of action. In evaluating the potential synergism of combining such strategies, however, we should consider the possibility of constraining trade-off phenotypes such as impairment in wound healing and immune response, tissue dysfunction and tumorigenesis. Moreover, we are rapidly learning that the benefit/risk ratio of aging-targeted interventions largely depends on intra- and inter-individual variations of susceptibility to the healthspan-, resilience-, and/or lifespan-promoting effects of the interventions. Here, we exemplify how computationally-generated proxies of the efficacy of a given lifespan/healthspan-promoting approach can predict the impact of baseline epigenetic heterogeneity on the positive outcomes of ketogenic diet and mTOR inhibition as single or combined anti-aging strategies. We therefore propose that stochastic biomathematical modeling and computational simulation platforms should be developed as in silico strategies to accelerate the performance of clinical trials targeting human aging, and to provide personalized approaches and robust biomarkers of healthy aging at the individual-to-population levels.
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Affiliation(s)
- Javier A Menendez
- ProCURE (Program Against Cancer Therapeutic Resistance),Metabolism and Cancer Group, Catalan Institute of Oncology, Girona, Spain.,Girona Biomedical Research Institute (IDIBGI), Girona, Spain
| | - Elisabet Cuyàs
- ProCURE (Program Against Cancer Therapeutic Resistance),Metabolism and Cancer Group, Catalan Institute of Oncology, Girona, Spain.,Girona Biomedical Research Institute (IDIBGI), Girona, Spain
| | | | - Sara Verdura
- ProCURE (Program Against Cancer Therapeutic Resistance),Metabolism and Cancer Group, Catalan Institute of Oncology, Girona, Spain.,Girona Biomedical Research Institute (IDIBGI), Girona, Spain
| | | | - Jorge Joven
- Unitat de Recerca Biomèdica (URB-CRB), Hospital Universitari de Sant Joan, Institut d'Investigació Sanitària Pere Virgili, Reus, Spain
| | - Tomás Alarcón
- ICREA, Barcelona, Spain.,Centre de Recerca Matemàtica (CRM), Barcelona, Spain.,Departament de Matemàtiques, Universitat Autònoma de Barcelona, Barcelona, Spain.,Barcelona Graduate School of Mathematics (BGSMath), Barcelona, Spain
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31
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Abstract
Aging, as a physiological process mediated by numerous regulatory pathways and transcription factors, is manifested by continuous progressive functional decline and increasing risk of chronic diseases. There is an increasing interest to identify pharmacological agents for treatment and prevention of age-related disease in humans. Animal models play an important role in identification and testing of anti-aging compounds; this step is crucial before the drug will enter human clinical trial or will be introduced to human medicine. One of the main goals of animal studies is better understanding of mechanistic targets, therapeutic implications and side-effects of the drug, which may be later translated into humans. In this chapter, we summarized the effects of different drugs reported to extend the lifespan in model organisms from round worms to rodents. Resveratrol, rapamycin, metformin and aspirin, showing effectiveness in model organism life- and healthspan extension mainly target the master regulators of aging such as mTOR, FOXO and PGC1α, affecting autophagy, inflammation and oxidative stress. In humans, these drugs were demonstrated to reduce inflammation, prevent CVD, and slow down the functional decline in certain organs. Additionally, potential anti-aging pharmacologic agents inhibit cancerogenesis, interfering with certain aspects of cell metabolism, proliferation, angioneogenesis and apoptosis.
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32
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Mahmoudi S, Xu L, Brunet A. Turning back time with emerging rejuvenation strategies. Nat Cell Biol 2019; 21:32-43. [PMID: 30602763 DOI: 10.1038/s41556-018-0206-0] [Citation(s) in RCA: 104] [Impact Index Per Article: 20.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2018] [Accepted: 08/24/2018] [Indexed: 01/10/2023]
Abstract
Ageing is associated with the functional decline of all tissues and a striking increase in many diseases. Although ageing has long been considered a one-way street, strategies to delay and potentially even reverse the ageing process have recently been developed. Here, we review four emerging rejuvenation strategies-systemic factors, metabolic manipulations, senescent cell ablation and cellular reprogramming-and discuss their mechanisms of action, cellular targets, potential trade-offs and application to human ageing.
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Affiliation(s)
- Salah Mahmoudi
- Department of Genetics, Stanford University, Stanford, CA, USA
| | - Lucy Xu
- Department of Genetics, Stanford University, Stanford, CA, USA.,Department of Biology, Stanford University, Stanford, CA, USA
| | - Anne Brunet
- Department of Genetics, Stanford University, Stanford, CA, USA. .,Glenn Laboratories for the Biology of Aging, Stanford University, Stanford, CA, USA.
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33
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Abstract
Forkhead box O (FOXO) proteins are a family of transcription factors with four members in mammals, namely FOXO1, FOXO3a, FOXO4, and FOXO6. FOXO factors, originally identified as downstream regulators of the insulin pathway, are known to bind to the promoters of a broad variety of target genes and control several processes of key importance for cellular homeostasis including cellular energy production, oxidative stress resistance, and cell viability and proliferation. Accordingly, deregulation of FOXO proteins has been shown to play an essential role in metabolic disorders, human longevity, and the suppression of tumors. As the activity of these transcription factors is controlled by posttranslational modifications, inactivation of FOXOs occurs mostly due to the overactivation of their upstream modifying enzymes providing a wealth of possibilities for restoring FOXO activity pharmaceutically.
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Affiliation(s)
- Wolfgang Link
- Instituto de Investigaciones Biomédicas "Alberto Sols" (CSIC-UAM), Arturo Duperier, Madrid, Spain.
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34
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Shamalnasab M, Gravel SP, St-Pierre J, Breton L, Jäger S, Aguilaniu H. A salicylic acid derivative extends the lifespan of Caenorhabditis elegans by activating autophagy and the mitochondrial unfolded protein response. Aging Cell 2018; 17:e12830. [PMID: 30192051 PMCID: PMC6260907 DOI: 10.1111/acel.12830] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2017] [Revised: 06/12/2018] [Accepted: 07/20/2018] [Indexed: 12/16/2022] Open
Abstract
Plant extracts containing salicylates are probably the most ancient remedies to reduce fever and ease aches of all kind. Recently, it has been shown that salicylates activate adenosine monophosphate‐activated kinase (AMPK), which is now considered as a promising target to slow down aging and prevent age‐related diseases in humans. Beneficial effects of AMPK activation on lifespan have been discovered in the model organism Caenorhabditis elegans (C. elegans). Indeed, salicylic acid and acetylsalicylic acid extend lifespan in worms by activating AMPK and the forkhead transcription factor DAF‐16/FOXO. Here, we investigated whether another salicylic acid derivative 5‐octanoyl salicylic acid (C8‐SA), developed as a controlled skin exfoliating ingredient, had similar properties using C. elegans as a model. We show that C8‐SA increases lifespan of C. elegans and that a variety of pathways and genes are required for C8‐SA‐mediated lifespan extension. C8‐SA activates AMPK and inhibits TOR both in nematodes and in primary human keratinocytes. We also show that C8‐SA can induce both autophagy and the mitochondrial unfolded protein response (UPRmit) in nematodes. This induction of both processes is fully required for lifespan extension in the worm. In addition, we found that the activation of autophagy by C8‐SA fails to occur in worms with compromised UPRmit, suggesting a mechanistic link between these two processes. Mutants that are defective in the mitochondrial unfolded protein response exhibit constitutive high autophagy levels. Taken together, these data therefore suggest that C8‐SA positively impacts longevity in worms through induction of autophagy and the UPRmit.
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Affiliation(s)
| | - Simon-Pierre Gravel
- Department of Biochemistry; McGill University; Montreal Quebec Canada
- Goodman Cancer Research Centre; McGill University; Montreal Quebec Canada
- Faculté de pharmacie; Université de Montréal; Montréal Quebec Canada
| | - Julie St-Pierre
- Department of Biochemistry; McGill University; Montreal Quebec Canada
- Goodman Cancer Research Centre; McGill University; Montreal Quebec Canada
- Department of Biochemistry, Microbiology and Immunology, Faculty of Medicine; University of Ottawa; Ottawa Ontario Canada
| | - Lionel Breton
- L’Oréal Research & Innovation; Aulnay-sous-Bois France
| | - Sibylle Jäger
- L’Oréal Research & Innovation; Aulnay-sous-Bois France
| | - Hugo Aguilaniu
- Instituto Serrapilheira; Rio de Janeiro Brazil
- Détaché from CNRS (section 24); Paris France
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35
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Folch J, Busquets O, Ettcheto M, Sánchez-López E, Pallàs M, Beas-Zarate C, Marin M, Casadesus G, Olloquequi J, Auladell C, Camins A. Experimental Models for Aging and their Potential for Novel Drug Discovery. Curr Neuropharmacol 2018; 16:1466-1483. [PMID: 28685671 PMCID: PMC6295931 DOI: 10.2174/1570159x15666170707155345] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2017] [Revised: 06/22/2017] [Accepted: 06/30/2017] [Indexed: 02/07/2023] Open
Abstract
Background: An interesting area of scientific research is the development of potential antiaging drugs. In order to pursue this goal, it is necessary to gather the specific knowledge about the adequate preclinical models that are available to evaluate the beneficial effects of new potential drugs. This review is focused on invertebrate and vertebrate preclinical models used to evaluate the efficacy of antiaging compounds, with the objective to extend life span and health span. Methods: Research and online content related to aging, antiaging drugs, experimental aging models is reviewed. Moreover, in this review, the main experimental preclinical models of organisms that have contributed to the research in the pharmacol-ogy of lifespan extension and the understanding of the aging process are discussed. Results: Dietary restriction (DR) constitutes a common experimental process to extend life span in all organisms. Besides, classical antiaging drugs such as resveratrol, rapamycin and metformin denominated as DR mimetics are also discussed. Likewise, the main therapeutic targets of these drugs include sirtuins, IGF-1, and mTOR, all of them being modulated by DR. Conclusion: Advances in molecular biology have uncovered the potential molecular pathways involved in the aging process. Due to their characteristics, invertebrate models are mainly used for drug screening. The National Institute on Aging (NIA) developed the Interventions Testing Program (ITP). At the pre-clinical level, the ITP uses Heterogeneous mouse model (HET) which is probably the most suitable rodent model to study potential drugs against aging prevention. The accelerated-senescence mouse P8 is also a mammalian rodent model for aging research. However, when evaluating the effect of drugs on a preclinical level, the evaluation must be done in non-human primates since it is the mammalian specie closest to humans. Research is needed to investigate the impact of new potential drugs for the increase of human quality of
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Affiliation(s)
- Jaume Folch
- Unitat de Bioquimica i Biotecnologia, Facultat de Medicina i Ciencies de la Salut, Universitat Rovira i Virgili, Reus, Tarragona, Spain.,Biomedical Research Networking Center in Neurodegenerative Diseases (CIBERNED), Madrid, Spain
| | - Oriol Busquets
- Unitat de Bioquimica i Biotecnologia, Facultat de Medicina i Ciencies de la Salut, Universitat Rovira i Virgili, Reus, Tarragona, Spain.,Biomedical Research Networking Center in Neurodegenerative Diseases (CIBERNED), Madrid, Spain.,Departament Deaprtament de Farmacologia, Toxicologia i Química Terapèutica, Facultat de Farmàcia i Ciències de l'Alimentació, Universitat de Barcelona, Barcelona, Spain.,Institute of Neurosciences, University of Barcelona, Barcelona, Spain
| | - Miren Ettcheto
- Unitat de Bioquimica i Biotecnologia, Facultat de Medicina i Ciencies de la Salut, Universitat Rovira i Virgili, Reus, Tarragona, Spain.,Biomedical Research Networking Center in Neurodegenerative Diseases (CIBERNED), Madrid, Spain.,Departament Deaprtament de Farmacologia, Toxicologia i Química Terapèutica, Facultat de Farmàcia i Ciències de l'Alimentació, Universitat de Barcelona, Barcelona, Spain.,Institute of Neurosciences, University of Barcelona, Barcelona, Spain
| | - Elena Sánchez-López
- Biomedical Research Networking Center in Neurodegenerative Diseases (CIBERNED), Madrid, Spain.,Unitat de Farmacia, Tecnologia Farmacèutica i Fisico-química, Facultat de Farmàcia, Universitat de Barcelona, Barcelona, Spain.,Institute of Nanoscience and Nanotechnology (IN2UB), University of Barcelona, Barcelona, Spain
| | - Mercè Pallàs
- Biomedical Research Networking Center in Neurodegenerative Diseases (CIBERNED), Madrid, Spain.,Departament Deaprtament de Farmacologia, Toxicologia i Química Terapèutica, Facultat de Farmàcia i Ciències de l'Alimentació, Universitat de Barcelona, Barcelona, Spain.,Institute of Neurosciences, University of Barcelona, Barcelona, Spain
| | - Carlos Beas-Zarate
- Departamento de Biologia Celulary Molecular, C.U.C.B.A., Universidad de Guadalajara and Division de Neurociencias, Sierra Mojada 800, Col. Independencia, Guadalajara, Jalisco 44340, Mexico
| | - Miguel Marin
- Centro de Biotecnologia. Universidad Nacional de Loja, Av. Pío Jaramillo Alvarado y Reinaldo Espinosa, La Argelia. Loja, Ecuador
| | - Gemma Casadesus
- Department of Biological Sciences, Kent State University, Kent, OH, United States
| | - Jordi Olloquequi
- Instituto de Ciencias Biomedicas, Facultad de Ciencias de la Salud, Universidad Autonoma de Chile, Talca, Chile
| | - Carme Auladell
- Institute of Neurosciences, University of Barcelona, Barcelona, Spain.,Departamento de Biologia Celulary Molecular, C.U.C.B.A., Universidad de Guadalajara and Division de Neurociencias, Sierra Mojada 800, Col. Independencia, Guadalajara, Jalisco 44340, Mexico.,Departament de Biologia Cellular, Fisiologia i Inmunologia, Facultat de Biologia, Universitat de Barcelona, Barcelona, Spain
| | - Antoni Camins
- Departament Deaprtament de Farmacologia, Toxicologia i Química Terapèutica, Facultat de Farmàcia i Ciències de l'Alimentació, Universitat de Barcelona, Barcelona, Spain.,Biomedical Research Networking Center in Neurodegenerative Diseases (CIBERNED), Madrid, Spain.,Institute of Neurosciences, University of Barcelona, Barcelona, Spain.,Centro de Biotecnologia. Universidad Nacional de Loja, Av. Pío Jaramillo Alvarado y Reinaldo Espinosa, La Argelia. Loja, Ecuador
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36
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Admasu TD, Chaithanya Batchu K, Barardo D, Ng LF, Lam VYM, Xiao L, Cazenave-Gassiot A, Wenk MR, Tolwinski NS, Gruber J. Drug Synergy Slows Aging and Improves Healthspan through IGF and SREBP Lipid Signaling. Dev Cell 2018; 47:67-79.e5. [DOI: 10.1016/j.devcel.2018.09.001] [Citation(s) in RCA: 50] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2018] [Revised: 06/18/2018] [Accepted: 08/31/2018] [Indexed: 12/12/2022]
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37
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Denzel MS, Lapierre LR, Mack HID. Emerging topics in C. elegans aging research: Transcriptional regulation, stress response and epigenetics. Mech Ageing Dev 2018; 177:4-21. [PMID: 30134144 PMCID: PMC6696993 DOI: 10.1016/j.mad.2018.08.001] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2018] [Revised: 08/09/2018] [Accepted: 08/10/2018] [Indexed: 12/13/2022]
Abstract
Key discoveries in aging research have been made possible with the use of model organisms. Caenorhabditis elegans is a short-lived nematode that has become a well-established system to study aging. The practicality and powerful genetic manipulations associated with this metazoan have revolutionized our ability to understand how organisms age. 25 years after the publication of the discovery of the daf-2 gene as a genetic modifier of lifespan, C. elegans remains as relevant as ever in the quest to understand the process of aging. Nematode aging research has proven useful in identifying transcriptional regulators, small molecule signals, cellular mechanisms, epigenetic modifications associated with stress resistance and longevity, and lifespan-extending compounds. Here, we review recent discoveries and selected topics that have emerged in aging research using this incredible little worm.
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Affiliation(s)
- Martin S Denzel
- Max Planck Institute for Biology of Ageing, Cologne, Germany.
| | - Louis R Lapierre
- Department of Molecular Biology, Cell Biology and Biochemistry, Brown University, Providence, RI, USA.
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38
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Huang XB, Wu GS, Ke LY, Zhou XG, Wang YH, Luo HR. Aspirin Derivative 5-(Bis(3-methylbut-2-enyl)amino)-2-hydroxybenzoic Acid Improves Thermotolerance via Stress Response Proteins in Caenorhabditis elegans. Molecules 2018; 23:molecules23061359. [PMID: 29874836 PMCID: PMC6099645 DOI: 10.3390/molecules23061359] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2018] [Revised: 05/30/2018] [Accepted: 06/04/2018] [Indexed: 01/13/2023] Open
Abstract
Aging is a major risk factor for many prevalent diseases. Pharmacological intervention to improve the health span and extend the lifespan could be a preventive elixir for aging and age-related diseases. The non-steroid anti-inflammation medicine aspirin was reported to delay aging in Caenorhabditis elegans (C. elegans) and mice. We are wondering if the analogues of aspirin could also present antiaging activity. Here, we synthesized several aspirin derivatives and investigated their thermotolerance and antiaging effect in C. elegans. One of the compounds, 5-(bis(3-methylbut-2-en-1-yl)amino)-2-hydroxybenzoic acid, moderately increased the survival of C. elegans under heat stress, but could not extend the lifespan under optimum conditions. This compound could increase the mRNA level of stress response gene gst-4, and the mRNA and protein expression level of heat shock protein hsp-16.2 under heat stress. The failure of activating the transcription factor DAF-16 might explain why this compound could not act as aspirin to extend the lifespan of C. elegans. Our results would help further the investigation of the pharmacological activity of aspirin analogues and the relationship between structures and activity.
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Affiliation(s)
- Xiao-Bing Huang
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China.
- Key Laboratory for Aging and Regenerative Medicine, Department of Pharmacology, School of Pharmacy, Southwest Medical University, Luzhou 646000, China.
- Key Laboratory of Medical Electrophysiology of Ministry of Education, Collaborative Innovation Center for Prevention and Treatment of Cardiovascular Disease, Southwest Medical University, Luzhou 646000, China.
| | - Gui-Sheng Wu
- Key Laboratory for Aging and Regenerative Medicine, Department of Pharmacology, School of Pharmacy, Southwest Medical University, Luzhou 646000, China.
- Key Laboratory of Medical Electrophysiology of Ministry of Education, Collaborative Innovation Center for Prevention and Treatment of Cardiovascular Disease, Southwest Medical University, Luzhou 646000, China.
| | - Lei-Yu Ke
- Key Laboratory of Economic Plants and Biotechnology, and Yunnan Key Laboratory for Wild Plant Resources, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China.
- Southeast Asia Biodiversity Research Institute, Chinese Academy of Sciences, Yezin, Nay Pyi Taw 05282, Myanmar.
| | - Xiao-Gang Zhou
- Key Laboratory for Aging and Regenerative Medicine, Department of Pharmacology, School of Pharmacy, Southwest Medical University, Luzhou 646000, China.
- Key Laboratory of Medical Electrophysiology of Ministry of Education, Collaborative Innovation Center for Prevention and Treatment of Cardiovascular Disease, Southwest Medical University, Luzhou 646000, China.
| | - Yue-Hu Wang
- Key Laboratory of Economic Plants and Biotechnology, and Yunnan Key Laboratory for Wild Plant Resources, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China.
- Southeast Asia Biodiversity Research Institute, Chinese Academy of Sciences, Yezin, Nay Pyi Taw 05282, Myanmar.
| | - Huai-Rong Luo
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China.
- Key Laboratory for Aging and Regenerative Medicine, Department of Pharmacology, School of Pharmacy, Southwest Medical University, Luzhou 646000, China.
- Key Laboratory of Medical Electrophysiology of Ministry of Education, Collaborative Innovation Center for Prevention and Treatment of Cardiovascular Disease, Southwest Medical University, Luzhou 646000, China.
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Abstract
Inhibitors of mTOR, including clinically available rapalogs such as rapamycin (Sirolimus) and Everolimus, are gerosuppressants, which suppress cellular senescence. Rapamycin slows aging and extends life span in a variety of species from worm to mammals. Rapalogs can prevent age-related diseases, including cancer, atherosclerosis, obesity, neurodegeneration and retinopathy and potentially rejuvenate stem cells, immunity and metabolism. Here, I further suggest how rapamycin can be combined with metformin, inhibitors of angiotensin II signaling (Losartan, Lisinopril), statins (simvastatin, atorvastatin), propranolol, aspirin and a PDE5 inhibitor. Rational combinations of these drugs with physical exercise and an anti-aging diet (Koschei formula) can maximize their anti-aging effects and decrease side effects.
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40
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Madeo F, Eisenberg T, Pietrocola F, Kroemer G. Spermidine in health and disease. Science 2018; 359:359/6374/eaan2788. [DOI: 10.1126/science.aan2788] [Citation(s) in RCA: 438] [Impact Index Per Article: 73.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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41
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Lee MB, Kaeberlein M. Translational Geroscience: From invertebrate models to companion animal and human interventions. TRANSLATIONAL MEDICINE OF AGING 2018; 2:15-29. [PMID: 32368707 PMCID: PMC7198054 DOI: 10.1016/j.tma.2018.08.002] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Translational geroscience is an interdisciplinary field descended from basic gerontology that seeks to identify, validate, and clinically apply interventions to maximize healthy, disease-free lifespan. In this review, we describe a research pipeline for the identification and validation of lifespan extending interventions. Beginning in invertebrate model systems, interventions are discovered and then characterized using other invertebrate model systems (evolutionary translation), models of genetic diversity, and disease models. Vertebrate model systems, particularly mice, can then be utilized to validate interventions in mammalian systems. Collaborative, multi-site efforts, like the Interventions Testing Program (ITP), provide a key resource to assess intervention robustness in genetically diverse mice. Mouse disease models provide a tool to understand the broader utility of longevity interventions. Beyond mouse models, we advocate for studies in companion pets. The Dog Aging Project is an exciting example of translating research in dogs, both to develop a model system and to extend their healthy lifespan as a goal in itself. Finally, we discuss proposed and ongoing intervention studies in humans, unmet needs for validating interventions in humans, and speculate on how differences in survival among human populations may influence intervention efficacy.
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Affiliation(s)
- Mitchell B. Lee
- Department of Pathology, University of Washington, Seattle, WA USA
| | - Matt Kaeberlein
- Department of Pathology, University of Washington, Seattle, WA USA
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42
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Ayyadevara S, Balasubramaniam M, Kakraba S, Alla R, Mehta JL, Shmookler Reis RJ. Aspirin-Mediated Acetylation Protects Against Multiple Neurodegenerative Pathologies by Impeding Protein Aggregation. Antioxid Redox Signal 2017; 27:1383-1396. [PMID: 28537433 PMCID: PMC5661865 DOI: 10.1089/ars.2016.6978] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
AIMS Many progressive neurological disorders, including Alzheimer's disease (AD), Huntington's disease, and Parkinson's disease (PD), are characterized by accumulation of insoluble protein aggregates. In prospective trials, the cyclooxygenase inhibitor aspirin (acetylsalicylic acid) reduced the risk of AD and PD, as well as cardiovascular events and many late-onset cancers. Considering the role played by protein hyperphosphorylation in aggregation and neurodegenerative diseases, and aspirin's known ability to donate acetyl groups, we asked whether aspirin might reduce both phosphorylation and aggregation by acetylating protein targets. RESULTS Aspirin was substantially more effective than salicylate in reducing or delaying aggregation in human neuroblastoma cells grown in vitro, and in Caenorhabditis elegans models of human neurodegenerative diseases in vivo. Aspirin acetylates many proteins, while reducing phosphorylation, suggesting that acetylation may oppose phosphorylation. Surprisingly, acetylated proteins were largely excluded from compact aggregates. Molecular-dynamic simulations indicate that acetylation of amyloid peptide energetically disfavors its association into dimers and octamers, and oligomers that do form are less compact and stable than those comprising unacetylated peptides. INNOVATION Hyperphosphorylation predisposes certain proteins to aggregate (e.g., tau, α-synuclein, and transactive response DNA-binding protein 43 [TDP-43]), and it is a critical pathogenic marker in both cardiovascular and neurodegenerative diseases. We present novel evidence that acetylated proteins are underrepresented in protein aggregates, and that aggregation varies inversely with acetylation propensity after diverse genetic and pharmacologic interventions. CONCLUSIONS These results are consistent with the hypothesis that aspirin inhibits protein aggregation and the ensuing toxicity of aggregates through its acetyl-donating activity. This mechanism may contribute to the neuro-protective, cardio-protective, and life-prolonging effects of aspirin. Antioxid. Redox Signal. 27, 1383-1396.
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Affiliation(s)
- Srinivas Ayyadevara
- 1 Central Arkansas Veterans Healthcare System, Research & Development Service , Little Rock, Arkansas.,2 Department of Geriatrics, Reynolds Institute on Aging, University of Arkansas for Medical Sciences , Little Rock, Arkansas
| | - Meenakshisundaram Balasubramaniam
- 1 Central Arkansas Veterans Healthcare System, Research & Development Service , Little Rock, Arkansas.,2 Department of Geriatrics, Reynolds Institute on Aging, University of Arkansas for Medical Sciences , Little Rock, Arkansas
| | - Samuel Kakraba
- 3 Bioinformatics Program, University of Arkansas for Medical Sciences, and University of Arkansas at Little Rock , Little Rock, Arkansas
| | - Ramani Alla
- 1 Central Arkansas Veterans Healthcare System, Research & Development Service , Little Rock, Arkansas.,2 Department of Geriatrics, Reynolds Institute on Aging, University of Arkansas for Medical Sciences , Little Rock, Arkansas
| | - Jawahar L Mehta
- 1 Central Arkansas Veterans Healthcare System, Research & Development Service , Little Rock, Arkansas.,4 Divison of Cardiology, Department of Medicine, University of Arkansas for Medical Sciences , Little Rock, Arkansas
| | - Robert J Shmookler Reis
- 1 Central Arkansas Veterans Healthcare System, Research & Development Service , Little Rock, Arkansas.,2 Department of Geriatrics, Reynolds Institute on Aging, University of Arkansas for Medical Sciences , Little Rock, Arkansas.,3 Bioinformatics Program, University of Arkansas for Medical Sciences, and University of Arkansas at Little Rock , Little Rock, Arkansas
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Calder PC, Bosco N, Bourdet-Sicard R, Capuron L, Delzenne N, Doré J, Franceschi C, Lehtinen MJ, Recker T, Salvioli S, Visioli F. Health relevance of the modification of low grade inflammation in ageing (inflammageing) and the role of nutrition. Ageing Res Rev 2017; 40:95-119. [PMID: 28899766 DOI: 10.1016/j.arr.2017.09.001] [Citation(s) in RCA: 277] [Impact Index Per Article: 39.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2017] [Revised: 08/03/2017] [Accepted: 09/05/2017] [Indexed: 02/06/2023]
Abstract
Ageing of the global population has become a public health concern with an important socio-economic dimension. Ageing is characterized by an increase in the concentration of inflammatory markers in the bloodstream, a phenomenon that has been termed "inflammageing". The inflammatory response is beneficial as an acute, transient reaction to harmful conditions, facilitating the defense, repair, turnover and adaptation of many tissues. However, chronic and low grade inflammation is likely to be detrimental for many tissues and for normal functions. We provide an overview of low grade inflammation (LGI) and determine the potential drivers and the effects of the "inflamed" phenotype observed in the elderly. We discuss the role of gut microbiota and immune system crosstalk and the gut-brain axis. Then, we focus on major health complications associated with LGI in the elderly, including mental health and wellbeing, metabolic abnormalities and infections. Finally, we discuss the possibility of manipulating LGI in the elderly by nutritional interventions. We provide an overview of the evidence that exists in the elderly for omega-3 fatty acid, probiotic, prebiotic, antioxidant and polyphenol interventions as a means to influence LGI. We conclude that slowing, controlling or reversing LGI is likely to be an important way to prevent, or reduce the severity of, age-related functional decline and the onset of conditions affecting health and well-being; that there is evidence to support specific dietary interventions as a strategy to control LGI; and that a continued research focus on this field is warranted.
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Affiliation(s)
- Philip C Calder
- Faculty of Medicine, University of Southampton, Southampton, United Kingdom; NIHR Southampton Biomedical Research Centre, University Hospital NHS Foundation Trust and University of Southampton, Southampton, United Kingdom
| | - Nabil Bosco
- Nestlé Research Center Asia, 21 Biopolis Road, 138567, Singapore
| | | | - Lucile Capuron
- INRA, Nutrition and Integrative Neurobiology, 33076 Bordeaux, France; Nutrition and Integrative Neurobiology (NutriNeuro), UMR 1286, University of Bordeaux, 33076 Bordeaux, France
| | - Nathalie Delzenne
- Metabolism and Nutrition Research Group, Louvain Drug Research Institute, Catholic University of Louvain, B-1200 Brussels, Belgium
| | - Joel Doré
- MetaGénoPolis, INRA, Université Paris-Saclay, 78350 Jouy-en-Josas, France
| | - Claudio Franceschi
- IRCCS, Institute of Neurological Sciences of Bologna, Bologna 40124, Italy
| | - Markus J Lehtinen
- DuPont Nutrition and Health, Global Health and Nutrition Science, 02460 Kantvik, Finland
| | - Tobias Recker
- International Life Sciences Institute European Branch, 1200 Brussels, Belgium.
| | - Stefano Salvioli
- Department of Experimental, Diagnostic, and Specialty Medicine, University of Bologna, 40126 Bologna, Italy
| | - Francesco Visioli
- Department of Molecular Medicine, University of Padova, 35121 Padova, Italy; IMDEA-Food, 28049 Madrid, Spain
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44
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Ding AJ, Zheng SQ, Huang XB, Xing TK, Wu GS, Sun HY, Qi SH, Luo HR. Current Perspective in the Discovery of Anti-aging Agents from Natural Products. NATURAL PRODUCTS AND BIOPROSPECTING 2017; 7:335-404. [PMID: 28567542 PMCID: PMC5655361 DOI: 10.1007/s13659-017-0135-9] [Citation(s) in RCA: 69] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/16/2017] [Accepted: 05/16/2017] [Indexed: 05/18/2023]
Abstract
Aging is a process characterized by accumulating degenerative damages, resulting in the death of an organism ultimately. The main goal of aging research is to develop therapies that delay age-related diseases in human. Since signaling pathways in aging of Caenorhabditis elegans (C. elegans), fruit flies and mice are evolutionarily conserved, compounds extending lifespan of them by intervening pathways of aging may be useful in treating age-related diseases in human. Natural products have special resource advantage and with few side effect. Recently, many compounds or extracts from natural products slowing aging and extending lifespan have been reported. Here we summarized these compounds or extracts and their mechanisms in increasing longevity of C. elegans or other species, and the prospect in developing anti-aging medicine from natural products.
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Affiliation(s)
- Ai-Jun Ding
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, 650201, Yunnan, China
- University of Chinese Academy of Sciences, Beijing, 100039, China
| | - Shan-Qing Zheng
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, 650201, Yunnan, China
- University of Chinese Academy of Sciences, Beijing, 100039, China
| | - Xiao-Bing Huang
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, 650201, Yunnan, China
- University of Chinese Academy of Sciences, Beijing, 100039, China
| | - Ti-Kun Xing
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, 650201, Yunnan, China
- University of Chinese Academy of Sciences, Beijing, 100039, China
| | - Gui-Sheng Wu
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, 650201, Yunnan, China
- Key Laboratory for Aging and Regenerative Medicine, Department of Pharmacology, School of Pharmacy, Southwest Medical University, Luzhou, 646000, Sichuan, China
| | - Hua-Ying Sun
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, 650201, Yunnan, China
| | - Shu-Hua Qi
- Guangdong Key Laboratory of Marine Material Medical, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, 510301, Guangdong, China
| | - Huai-Rong Luo
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, 650201, Yunnan, China.
- Key Laboratory for Aging and Regenerative Medicine, Department of Pharmacology, School of Pharmacy, Southwest Medical University, Luzhou, 646000, Sichuan, China.
- Yunnan Key Laboratory of Natural Medicinal Chemistry, Kunming Institute of Botany, Chinese Academy of Sciences, 134 Lanhei Road, Kunming, 650201, Yunnan, China.
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45
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Huang XB, Mu XH, Wan QL, He XM, Wu GS, Luo HR. Aspirin increases metabolism through germline signalling to extend the lifespan of Caenorhabditis elegans. PLoS One 2017; 12:e0184027. [PMID: 28910305 PMCID: PMC5598954 DOI: 10.1371/journal.pone.0184027] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2017] [Accepted: 08/16/2017] [Indexed: 01/04/2023] Open
Abstract
Aspirin is a prototypic cyclooxygenase inhibitor with a variety of beneficial effects on human health. It prevents age-related diseases and delays the aging process. Previous research has shown that aspirin might act through a dietary restriction-like mechanism to extend lifespan. To explore the mechanism of action of aspirin on aging, we determined the whole-genome expression profile of Caenorhabditis elegans treated with aspirin. Transcriptome analysis revealed the RNA levels of genes involved in metabolism were primarily increased. Reproduction has been reported to be associated with metabolism. We found that aspirin did not extend the lifespan or improve the heat stress resistance of germline mutants of glp-1. Furthermore, Oil Red O staining showed that aspirin treatment decreased lipid deposition and increased expression of lipid hydrolysis and fatty acid β-oxidation-related genes. The effect of germline ablation on lifespan was mainly mediated by DAF-12 and DAF-16. Next, we performed genetic analysis with a series of worm mutants and found that aspirin did not further extend the lifespans of daf-12 and daf-16 single mutants, glp-1;daf-12 and glp-1;daf-16 double mutants, or glp-1;daf-12;daf-16 triple mutants. The results suggest that aspirin increase metabolism and regulate germline signalling to activate downstream DAF-12 and DAF-16 to extend lifespan.
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Affiliation(s)
- Xiao-Bing Huang
- Key Laboratory for Aging and Regenerative Medicine, Department of Pharmacology, School of Pharmacy, Southwest Medical University, Luzhou, Sichuan, China
| | - Xiao-Hui Mu
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, Yunnan, China
- Yunnan Key Laboratory of Natural Medicinal Chemistry, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, Yunnan, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Qin-Li Wan
- Key Laboratory for Aging and Regenerative Medicine, Department of Pharmacology, School of Pharmacy, Southwest Medical University, Luzhou, Sichuan, China
| | - Xiao-Ming He
- Key Laboratory for Aging and Regenerative Medicine, Department of Pharmacology, School of Pharmacy, Southwest Medical University, Luzhou, Sichuan, China
| | - Gui-Sheng Wu
- Key Laboratory for Aging and Regenerative Medicine, Department of Pharmacology, School of Pharmacy, Southwest Medical University, Luzhou, Sichuan, China
| | - Huai-Rong Luo
- Key Laboratory for Aging and Regenerative Medicine, Department of Pharmacology, School of Pharmacy, Southwest Medical University, Luzhou, Sichuan, China
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, Yunnan, China
- Yunnan Key Laboratory of Natural Medicinal Chemistry, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, Yunnan, China
- * E-mail:
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46
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Song C, Zhu C, Wu Q, Qi J, Gao Y, Zhang Z, Gaur U, Yang D, Fan X, Yang M. Metabolome analysis of effect of aspirin on Drosophila lifespan extension. Exp Gerontol 2017; 95:54-62. [DOI: 10.1016/j.exger.2017.04.010] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2017] [Revised: 03/28/2017] [Accepted: 04/27/2017] [Indexed: 01/22/2023]
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47
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Zheng SQ, Huang XB, Xing TK, Ding AJ, Wu GS, Luo HR. Chlorogenic Acid Extends the Lifespan of Caenorhabditis elegans via Insulin/IGF-1 Signaling Pathway. J Gerontol A Biol Sci Med Sci 2017; 72:464-472. [PMID: 27378235 DOI: 10.1093/gerona/glw105] [Citation(s) in RCA: 44] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2015] [Accepted: 05/16/2016] [Indexed: 01/11/2023] Open
Abstract
Coffee and tea, two of the most popular drinks around the world, share many in common from chemical components to beneficial effects on human health. One of their shared components, the polyphenols, most notably chlorogenic acid (CGA), was supposed to account for many of the beneficial effects on ameliorating diseases occurred accompanying people aging, such as the antioxidant effect and against diabetes and cardiovascular disease. CGA is also present in many traditional Chinese medicines. However, the mechanism of these effects was vague. The aging signaling pathways were conservative from yeast and worms to mammals. So, we tested if CGA had an effect on aging in Caenorhabditis elegans. We found that CGA could extend the lifespan of C. elegans by up to 20.1%, delay the age-related decline of body movement, and improve stress resistance. We conducted genetic analysis with a series of worm mutants and found that CGA could extend the lifespan of the mutants of eat-2, glp-1, and isp-1, but not of daf-2, pdk-1, akt-1, akt-2, sgk-1, and clk-1. CGA could activate the FOXO transcription factors DAF-16, HSF-1, SKN-1, and HIF-1, but not SIR-2.1. Taken together, CGA might extend the lifespan of C. elegans mainly via DAF-16 in insulin/IGF-1 signaling pathway.
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Affiliation(s)
- Shan-Qing Zheng
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Yunnan, China.,University of Chinese Academy of Sciences, Beijing, China
| | - Xiao-Bing Huang
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Yunnan, China.,University of Chinese Academy of Sciences, Beijing, China
| | - Ti-Kun Xing
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Yunnan, China.,University of Chinese Academy of Sciences, Beijing, China
| | - Ai-Jun Ding
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Yunnan, China.,University of Chinese Academy of Sciences, Beijing, China
| | - Gui-Sheng Wu
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Yunnan, China
| | - Huai-Rong Luo
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Yunnan, China
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48
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Affiliation(s)
- Komal Saraswat
- Department of Biochemistry, University of Allahabad, Allahabad, India
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49
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Gillet FX, Bournaud C, Antonino de Souza Júnior JD, Grossi-de-Sa MF. Plant-parasitic nematodes: towards understanding molecular players in stress responses. ANNALS OF BOTANY 2017; 119:775-789. [PMID: 28087659 PMCID: PMC5378187 DOI: 10.1093/aob/mcw260] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/15/2016] [Revised: 10/24/2016] [Indexed: 05/05/2023]
Abstract
BACKGROUND Plant-parasitic nematode interactions occur within a vast molecular plant immunity network. Following initial contact with the host plant roots, plant-parasitic nematodes (PPNs) activate basal immune responses. Defence priming involves the release in the apoplast of toxic molecules derived from reactive species or secondary metabolism. In turn, PPNs must overcome the poisonous and stressful environment at the plant-nematode interface. The ability of PPNs to escape this first line of plant immunity is crucial and will determine its virulence. SCOPE Nematodes trigger crucial regulatory cytoprotective mechanisms, including antioxidant and detoxification pathways. Knowledge of the upstream regulatory components that contribute to both of these pathways in PPNs remains elusive. In this review, we discuss how PPNs probably orchestrate cytoprotection to resist plant immune responses, postulating that it may be derived from ancient molecular mechanisms. The review focuses on two transcription factors, DAF-16 and SKN-1 , which are conserved in the animal kingdom and are central regulators of cell homeostasis and immune function. Both regulate the unfolding protein response and the antioxidant and detoxification pathways. DAF-16 and SKN-1 target a broad spectrum of Caenorhabditis elegans genes coding for numerous protein families present in the secretome of PPNs. Moreover, some regulatory elements of DAF-16 and SKN-1 from C. elegans have already been identified as important genes for PPN infection. CONCLUSION DAF-16 and SKN-1 genes may play a pivotal role in PPNs during parasitism. In the context of their hub status and mode of regulation, we suggest alternative strategies for control of PPNs through RNAi approaches.
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Affiliation(s)
- François-Xavier Gillet
- Embrapa Genetic Resources and Biotechnology, PqEB Final Av. W/5 Norte, CEP 70·770-900, Brasília, DF, Brazil
| | - Caroline Bournaud
- Embrapa Genetic Resources and Biotechnology, PqEB Final Av. W/5 Norte, CEP 70·770-900, Brasília, DF, Brazil
| | | | - Maria Fatima Grossi-de-Sa
- Embrapa Genetic Resources and Biotechnology, PqEB Final Av. W/5 Norte, CEP 70·770-900, Brasília, DF, Brazil
- Catholic University of Brasilia, Brasília-DF, Brazil
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50
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Lucanic M, Plummer WT, Chen E, Harke J, Foulger AC, Onken B, Coleman-Hulbert AL, Dumas KJ, Guo S, Johnson E, Bhaumik D, Xue J, Crist AB, Presley MP, Harinath G, Sedore CA, Chamoli M, Kamat S, Chen MK, Angeli S, Chang C, Willis JH, Edgar D, Royal MA, Chao EA, Patel S, Garrett T, Ibanez-Ventoso C, Hope J, Kish JL, Guo M, Lithgow GJ, Driscoll M, Phillips PC. Impact of genetic background and experimental reproducibility on identifying chemical compounds with robust longevity effects. Nat Commun 2017; 8:14256. [PMID: 28220799 PMCID: PMC5321775 DOI: 10.1038/ncomms14256] [Citation(s) in RCA: 78] [Impact Index Per Article: 11.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2016] [Accepted: 12/13/2016] [Indexed: 12/19/2022] Open
Abstract
Limiting the debilitating consequences of ageing is a major medical challenge of our time. Robust pharmacological interventions that promote healthy ageing across diverse genetic backgrounds may engage conserved longevity pathways. Here we report results from the Caenorhabditis Intervention Testing Program in assessing longevity variation across 22 Caenorhabditis strains spanning 3 species, using multiple replicates collected across three independent laboratories. Reproducibility between test sites is high, whereas individual trial reproducibility is relatively low. Of ten pro-longevity chemicals tested, six significantly extend lifespan in at least one strain. Three reported dietary restriction mimetics are mainly effective across C. elegans strains, indicating species and strain-specific responses. In contrast, the amyloid dye ThioflavinT is both potent and robust across the strains. Our results highlight promising pharmacological leads and demonstrate the importance of assessing lifespans of discrete cohorts across repeat studies to capture biological variation in the search for reproducible ageing interventions.
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Affiliation(s)
- Mark Lucanic
- The Buck Institute for Research on Aging, 8001 Redwood Boulevard, Novato, California 94945, USA
| | - W Todd Plummer
- The Buck Institute for Research on Aging, 8001 Redwood Boulevard, Novato, California 94945, USA
| | - Esteban Chen
- Nelson Biological Laboratories, Department of Molecular Biology and Biochemistry, Rutgers University, Piscataway, New Jersey 08854, USA
| | - Jailynn Harke
- Institute of Ecology and Evolution, University of Oregon, Eugene, Oregon 97403, USA
| | - Anna C Foulger
- The Buck Institute for Research on Aging, 8001 Redwood Boulevard, Novato, California 94945, USA
| | - Brian Onken
- Nelson Biological Laboratories, Department of Molecular Biology and Biochemistry, Rutgers University, Piscataway, New Jersey 08854, USA
| | | | - Kathleen J Dumas
- The Buck Institute for Research on Aging, 8001 Redwood Boulevard, Novato, California 94945, USA
| | - Suzhen Guo
- Nelson Biological Laboratories, Department of Molecular Biology and Biochemistry, Rutgers University, Piscataway, New Jersey 08854, USA
| | - Erik Johnson
- Institute of Ecology and Evolution, University of Oregon, Eugene, Oregon 97403, USA
| | - Dipa Bhaumik
- The Buck Institute for Research on Aging, 8001 Redwood Boulevard, Novato, California 94945, USA
| | - Jian Xue
- Nelson Biological Laboratories, Department of Molecular Biology and Biochemistry, Rutgers University, Piscataway, New Jersey 08854, USA
| | - Anna B Crist
- Institute of Ecology and Evolution, University of Oregon, Eugene, Oregon 97403, USA
| | - Michael P Presley
- The Buck Institute for Research on Aging, 8001 Redwood Boulevard, Novato, California 94945, USA
| | - Girish Harinath
- Nelson Biological Laboratories, Department of Molecular Biology and Biochemistry, Rutgers University, Piscataway, New Jersey 08854, USA
| | - Christine A Sedore
- Institute of Ecology and Evolution, University of Oregon, Eugene, Oregon 97403, USA
| | - Manish Chamoli
- The Buck Institute for Research on Aging, 8001 Redwood Boulevard, Novato, California 94945, USA
| | - Shaunak Kamat
- Nelson Biological Laboratories, Department of Molecular Biology and Biochemistry, Rutgers University, Piscataway, New Jersey 08854, USA
| | - Michelle K Chen
- Institute of Ecology and Evolution, University of Oregon, Eugene, Oregon 97403, USA
| | - Suzanne Angeli
- The Buck Institute for Research on Aging, 8001 Redwood Boulevard, Novato, California 94945, USA
| | - Christina Chang
- Nelson Biological Laboratories, Department of Molecular Biology and Biochemistry, Rutgers University, Piscataway, New Jersey 08854, USA
| | - John H Willis
- Institute of Ecology and Evolution, University of Oregon, Eugene, Oregon 97403, USA
| | - Daniel Edgar
- The Buck Institute for Research on Aging, 8001 Redwood Boulevard, Novato, California 94945, USA
| | - Mary Anne Royal
- Nelson Biological Laboratories, Department of Molecular Biology and Biochemistry, Rutgers University, Piscataway, New Jersey 08854, USA
| | - Elizabeth A Chao
- The Buck Institute for Research on Aging, 8001 Redwood Boulevard, Novato, California 94945, USA
| | - Shobhna Patel
- Nelson Biological Laboratories, Department of Molecular Biology and Biochemistry, Rutgers University, Piscataway, New Jersey 08854, USA
| | - Theo Garrett
- The Buck Institute for Research on Aging, 8001 Redwood Boulevard, Novato, California 94945, USA
| | - Carolina Ibanez-Ventoso
- Nelson Biological Laboratories, Department of Molecular Biology and Biochemistry, Rutgers University, Piscataway, New Jersey 08854, USA
| | - June Hope
- The Buck Institute for Research on Aging, 8001 Redwood Boulevard, Novato, California 94945, USA
| | - Jason L Kish
- The Buck Institute for Research on Aging, 8001 Redwood Boulevard, Novato, California 94945, USA
| | - Max Guo
- Division of Aging Biology, National Institute on Aging, 7201 Wisconsin Avenue, Bethesda, Maryland 20892-9205, USA
| | - Gordon J Lithgow
- The Buck Institute for Research on Aging, 8001 Redwood Boulevard, Novato, California 94945, USA
| | - Monica Driscoll
- Nelson Biological Laboratories, Department of Molecular Biology and Biochemistry, Rutgers University, Piscataway, New Jersey 08854, USA
| | - Patrick C Phillips
- Institute of Ecology and Evolution, University of Oregon, Eugene, Oregon 97403, USA
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