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Cornwell AB, Zhang Y, Thondamal M, Johnson DW, Thakar J, Samuelson AV. The C. elegans Myc-family of transcription factors coordinate a dynamic adaptive response to dietary restriction. GeroScience 2024:10.1007/s11357-024-01197-x. [PMID: 38878153 DOI: 10.1007/s11357-024-01197-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2024] [Accepted: 05/08/2024] [Indexed: 06/25/2024] Open
Abstract
Dietary restriction (DR), the process of decreasing overall food consumption over an extended period of time, has been shown to increase longevity across evolutionarily diverse species and delay the onset of age-associated diseases in humans. In Caenorhabditis elegans, the Myc-family transcription factors (TFs) MXL-2 (Mlx) and MML-1 (MondoA/ChREBP), which function as obligate heterodimers, and PHA-4 (orthologous to FOXA) are both necessary for the full physiological benefits of DR. However, the adaptive transcriptional response to DR and the role of MML-1::MXL-2 and PHA-4 remains elusive. We identified the transcriptional signature of C. elegans DR, using the eat-2 genetic model, and demonstrate broad changes in metabolic gene expression in eat-2 DR animals, which requires both mxl-2 and pha-4. While the requirement for these factors in DR gene expression overlaps, we found many of the DR genes exhibit an opposing change in relative gene expression in eat-2;mxl-2 animals compared to wild-type, which was not observed in eat-2 animals with pha-4 loss. Surprisingly, we discovered more than 2000 genes synthetically dysregulated in eat-2;mxl-2, out of which the promoters of down-regulated genes were substantially enriched for PQM-1 and ELT-1/3 GATA TF binding motifs. We further show functional deficiencies of the mxl-2 loss in DR outside of lifespan, as eat-2;mxl-2 animals exhibit substantially smaller brood sizes and lay a proportion of dead eggs, indicating that MML-1::MXL-2 has a role in maintaining the balance between resource allocation to the soma and to reproduction under conditions of chronic food scarcity. While eat-2 animals do not show a significantly different metabolic rate compared to wild-type, we also find that loss of mxl-2 in DR does not affect the rate of oxygen consumption in young animals. The gene expression signature of eat-2 mutant animals is consistent with optimization of energy utilization and resource allocation, rather than induction of canonical gene expression changes associated with acute metabolic stress, such as induction of autophagy after TORC1 inhibition. Consistently, eat-2 animals are not substantially resistant to stress, providing further support to the idea that chronic DR may benefit healthspan and lifespan through efficient use of limited resources rather than broad upregulation of stress responses, and also indicates that MML-1::MXL-2 and PHA-4 may have distinct roles in promotion of benefits in response to different pro-longevity stimuli.
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Affiliation(s)
- Adam B Cornwell
- Department of Biomedical Genetics, University of Rochester Medical Center, 601 Elmwood Avenue, Rochester, NY, 14642, USA
| | - Yun Zhang
- Department of Biomedical Genetics, University of Rochester Medical Center, 601 Elmwood Avenue, Rochester, NY, 14642, USA
| | - Manjunatha Thondamal
- Department of Biomedical Genetics, University of Rochester Medical Center, 601 Elmwood Avenue, Rochester, NY, 14642, USA
- MURTI Centre and Department of Biotechnology, School of Technology, Gandhi Institute of Technology and Management (GITAM), Visakhapatnam, Andhra Pradesh, 530045, India
| | - David W Johnson
- Department of Biomedical Genetics, University of Rochester Medical Center, 601 Elmwood Avenue, Rochester, NY, 14642, USA
- Department of Math and Science, Genesee Community College, One College Rd, Batavia, NY, 14020, USA
| | - Juilee Thakar
- Department of Biomedical Genetics, University of Rochester Medical Center, 601 Elmwood Avenue, Rochester, NY, 14642, USA
- Department of Biostatistics and Computational Biology, University of Rochester Medical Center, 601 Elmwood Avenue, Rochester, NY, 14642, USA
- Department of Microbiology and Immunology, University of Rochester Medical Center, 601 Elmwood Avenue, Rochester, NY, 14642, USA
| | - Andrew V Samuelson
- Department of Biomedical Genetics, University of Rochester Medical Center, 601 Elmwood Avenue, Rochester, NY, 14642, USA.
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2
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Banse SA, Jackson EG, Sedore CA, Onken B, Hall D, Coleman-Hulbert A, Huynh P, Garrett T, Johnson E, Harinath G, Inman D, Guo S, Morshead M, Xue J, Falkowski R, Chen E, Herrera C, Kirsch AJ, Perez VI, Guo M, Lithgow GJ, Driscoll M, Phillips PC. The coupling between healthspan and lifespan in Caenorhabditis depends on complex interactions between compound intervention and genetic background. Aging (Albany NY) 2024; 16:5829-5855. [PMID: 38613792 PMCID: PMC11042945 DOI: 10.18632/aging.205743] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2023] [Accepted: 01/11/2024] [Indexed: 04/15/2024]
Abstract
Aging is characterized by declining health that results in decreased cellular resilience and neuromuscular function. The relationship between lifespan and health, and the influence of genetic background on that relationship, has important implications in the development of pharmacological anti-aging interventions. Here we assessed swimming performance as well as survival under thermal and oxidative stress across a nematode genetic diversity test panel to evaluate health effects for three compounds previously studied in the Caenorhabditis Intervention Testing Program and thought to promote longevity in different ways - NP1 (nitrophenyl piperazine-containing compound 1), propyl gallate, and resveratrol. Overall, we find the relationships among median lifespan, oxidative stress resistance, thermotolerance, and mobility vigor to be complex. We show that oxidative stress resistance and thermotolerance vary with compound intervention, genetic background, and age. The effects of tested compounds on swimming locomotion, in contrast, are largely species-specific. In this study, thermotolerance, but not oxidative stress or swimming ability, correlates with lifespan. Notably, some compounds exert strong impact on some health measures without an equally strong impact on lifespan. Our results demonstrate the importance of assessing health and lifespan across genetic backgrounds in the effort to identify reproducible anti-aging interventions, with data underscoring how personalized treatments might be required to optimize health benefits.
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Affiliation(s)
- Stephen A. Banse
- Institute of Ecology and Evolution, University of Oregon, Eugene, OR 97403, USA
| | - E. Grace Jackson
- Institute of Ecology and Evolution, University of Oregon, Eugene, OR 97403, USA
| | - Christine A. Sedore
- Institute of Ecology and Evolution, University of Oregon, Eugene, OR 97403, USA
| | - Brian Onken
- Department of Molecular Biology and Biochemistry, Rutgers, The State University of New Jersey, Piscataway, NJ 08854, USA
| | - David Hall
- The Buck Institute for Research on Aging, Novato, CA 94945, USA
| | | | - Phu Huynh
- Department of Molecular Biology and Biochemistry, Rutgers, The State University of New Jersey, Piscataway, NJ 08854, USA
| | - Theo Garrett
- The Buck Institute for Research on Aging, Novato, CA 94945, USA
| | - Erik Johnson
- Institute of Ecology and Evolution, University of Oregon, Eugene, OR 97403, USA
| | - Girish Harinath
- Department of Molecular Biology and Biochemistry, Rutgers, The State University of New Jersey, Piscataway, NJ 08854, USA
| | - Delaney Inman
- The Buck Institute for Research on Aging, Novato, CA 94945, USA
| | - Suzhen Guo
- Department of Molecular Biology and Biochemistry, Rutgers, The State University of New Jersey, Piscataway, NJ 08854, USA
| | | | - Jian Xue
- Department of Molecular Biology and Biochemistry, Rutgers, The State University of New Jersey, Piscataway, NJ 08854, USA
| | - Ron Falkowski
- Department of Molecular Biology and Biochemistry, Rutgers, The State University of New Jersey, Piscataway, NJ 08854, USA
| | - Esteban Chen
- Department of Molecular Biology and Biochemistry, Rutgers, The State University of New Jersey, Piscataway, NJ 08854, USA
| | - Christopher Herrera
- Department of Molecular Biology and Biochemistry, Rutgers, The State University of New Jersey, Piscataway, NJ 08854, USA
| | - Allie J. Kirsch
- Institute of Ecology and Evolution, University of Oregon, Eugene, OR 97403, USA
| | - Viviana I. Perez
- Division of Aging Biology, National Institute on Aging, Bethesda, MD 20892, USA
| | - Max Guo
- Division of Aging Biology, National Institute on Aging, Bethesda, MD 20892, USA
| | | | - Monica Driscoll
- Department of Molecular Biology and Biochemistry, Rutgers, The State University of New Jersey, Piscataway, NJ 08854, USA
| | - Patrick C. Phillips
- Institute of Ecology and Evolution, University of Oregon, Eugene, OR 97403, USA
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3
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Cornwell A, Zhang Y, Thondamal M, Johnson DW, Thakar J, Samuelson AV. The C. elegans Myc-family of transcription factors coordinate a dynamic adaptive response to dietary restriction. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.11.22.568222. [PMID: 38045350 PMCID: PMC10690244 DOI: 10.1101/2023.11.22.568222] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/05/2023]
Abstract
Dietary restriction (DR), the process of decreasing overall food consumption over an extended period of time, has been shown to increase longevity across evolutionarily diverse species and delay the onset of age-associated diseases in humans. In Caenorhabditis elegans, the Myc-family transcription factors (TFs) MXL-2 (Mlx) and MML-1 (MondoA/ChREBP), which function as obligate heterodimers, and PHA-4 (orthologous to forkhead box transcription factor A) are both necessary for the full physiological benefits of DR. However, the adaptive transcriptional response to DR and the role of MML-1::MXL-2 and PHA-4 remains elusive. We identified the transcriptional signature of C. elegans DR, using the eat-2 genetic model, and demonstrate broad changes in metabolic gene expression in eat-2 DR animals, which requires both mxl-2 and pha-4. While the requirement for these factors in DR gene expression overlaps, we found many of the DR genes exhibit an opposing change in relative gene expression in eat-2;mxl-2 animals compared to wild-type, which was not observed in eat-2 animals with pha-4 loss. We further show functional deficiencies of the mxl-2 loss in DR outside of lifespan, as eat-2;mxl-2 animals exhibit substantially smaller brood sizes and lay a proportion of dead eggs, indicating that MML-1::MXL-2 has a role in maintaining the balance between resource allocation to the soma and to reproduction under conditions of chronic food scarcity. While eat-2 animals do not show a significantly different metabolic rate compared to wild-type, we also find that loss of mxl-2 in DR does not affect the rate of oxygen consumption in young animals. The gene expression signature of eat-2 mutant animals is consistent with optimization of energy utilization and resource allocation, rather than induction of canonical gene expression changes associated with acute metabolic stress -such as induction of autophagy after TORC1 inhibition. Consistently, eat-2 animals are not substantially resistant to stress, providing further support to the idea that chronic DR may benefit healthspan and lifespan through efficient use of limited resources rather than broad upregulation of stress responses, and also indicates that MML-1::MXL-2 and PHA-4 may have different roles in promotion of benefits in response to different pro-longevity stimuli.
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Affiliation(s)
- Adam Cornwell
- Department of Biomedical Genetics, University of Rochester Medical Center, 601 Elmwood Avenue, Rochester, NY 14642, USA
| | - Yun Zhang
- Department of Biomedical Genetics, University of Rochester Medical Center, 601 Elmwood Avenue, Rochester, NY 14642, USA
| | - Manjunatha Thondamal
- Department of Biomedical Genetics, University of Rochester Medical Center, 601 Elmwood Avenue, Rochester, NY 14642, USA
- Department of Biological Sciences, GITAM University, Andhra Pradesh, India
| | - David W Johnson
- Department of Biomedical Genetics, University of Rochester Medical Center, 601 Elmwood Avenue, Rochester, NY 14642, USA
- Department of Math and Science, Genesee Community College, One College Rd Batavia, NY 14020, USA
| | - Juilee Thakar
- Department of Biomedical Genetics, University of Rochester Medical Center, 601 Elmwood Avenue, Rochester, NY 14642, USA
- Department of Biostatistics and Computational Biology, University of Rochester Medical Center, 601 Elmwood Avenue, Rochester, NY 14642, USA
- Department of Microbiology and Immunology, University of Rochester Medical Center, 601 Elmwood Avenue, Rochester, NY 14642, USA
| | - Andrew V Samuelson
- Department of Biomedical Genetics, University of Rochester Medical Center, 601 Elmwood Avenue, Rochester, NY 14642, USA
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4
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Lin YC, Zhang M, Chang YJ, Kuo TH. Comparisons of lifespan and stress resistance between sexes in Drosophila melanogaster. Heliyon 2023; 9:e18178. [PMID: 37576293 PMCID: PMC10415617 DOI: 10.1016/j.heliyon.2023.e18178] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2023] [Revised: 07/06/2023] [Accepted: 07/10/2023] [Indexed: 08/15/2023] Open
Abstract
Animals exhibit different extents of sexual dimorphism in a variety of phenotypes. Sex differences in longevity, one of the most complex life history traits, have also been reported. Although lifespan regulation has been studied extensively in the fruit fly, Drosophila melanogaster, the sex differences in lifespan have not been consistent in previous studies. To explore this issue, we revisited this question by examining the lifespan and stress resistance of both sexes among 15 inbred strains. We first found positive correlations between males and females from the same strain in terms of lifespan and resistance to starvation and desiccation stress. Although the lifespan difference between male and female flies varied greatly depending on the strain, males across all strains collectively had a longer lifespan. In contrast, females showed better resistance to starvation and desiccation stress. We also observed greater variation in lifespan and resistance to starvation and desiccation stress in females. Unexpectedly, there was no notable correlation observed between lifespan and the three types of stress resistance in either males or females. Overall, our study provides new data regarding sexual dimorphism in fly lifespan and stress resistance; this information may promote the investigation of mechanisms underlying longevity in future research.
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Affiliation(s)
- Yu-Chiao Lin
- Institute of Systems Neuroscience, National Tsing Hua University, Hsinchu, Taiwan
| | - MingYang Zhang
- Institute of Systems Neuroscience, National Tsing Hua University, Hsinchu, Taiwan
| | | | - Tsung-Han Kuo
- Institute of Systems Neuroscience, National Tsing Hua University, Hsinchu, Taiwan
- Department of Life Science, National Tsing Hua University, Hsinchu 300, Taiwan
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5
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Soo SK, Rudich ZD, Ko B, Moldakozhayev A, AlOkda A, Van Raamsdonk JM. Biological resilience and aging: Activation of stress response pathways contributes to lifespan extension. Ageing Res Rev 2023; 88:101941. [PMID: 37127095 DOI: 10.1016/j.arr.2023.101941] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2023] [Revised: 04/06/2023] [Accepted: 04/28/2023] [Indexed: 05/03/2023]
Abstract
While aging was traditionally viewed as a stochastic process of damage accumulation, it is now clear that aging is strongly influenced by genetics. The identification and characterization of long-lived genetic mutants in model organisms has provided insights into the genetic pathways and molecular mechanisms involved in extending longevity. Long-lived genetic mutants exhibit activation of multiple stress response pathways leading to enhanced resistance to exogenous stressors. As a result, lifespan exhibits a significant, positive correlation with resistance to stress. Disruption of stress response pathways inhibits lifespan extension in multiple long-lived mutants representing different pathways of lifespan extension and can also reduce the lifespan of wild-type animals. Combined, this suggests that activation of stress response pathways is a key mechanism by which long-lived mutants achieve their extended longevity and that many of these pathways are also required for normal lifespan. These results highlight an important role for stress response pathways in determining the lifespan of an organism.
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Affiliation(s)
- Sonja K Soo
- Department of Neurology and Neurosurgery, McGill University, Montreal, Quebec, Canada; Metabolic Disorders and Complications Program, and Brain Repair and Integrative Neuroscience Program, Research Institute of the McGill University Health Centre, Montreal, Quebec, Canada
| | - Zenith D Rudich
- Department of Neurology and Neurosurgery, McGill University, Montreal, Quebec, Canada; Metabolic Disorders and Complications Program, and Brain Repair and Integrative Neuroscience Program, Research Institute of the McGill University Health Centre, Montreal, Quebec, Canada
| | - Bokang Ko
- Department of Neurology and Neurosurgery, McGill University, Montreal, Quebec, Canada; Metabolic Disorders and Complications Program, and Brain Repair and Integrative Neuroscience Program, Research Institute of the McGill University Health Centre, Montreal, Quebec, Canada
| | - Alibek Moldakozhayev
- Department of Neurology and Neurosurgery, McGill University, Montreal, Quebec, Canada; Metabolic Disorders and Complications Program, and Brain Repair and Integrative Neuroscience Program, Research Institute of the McGill University Health Centre, Montreal, Quebec, Canada; Division of Genetics, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, United States
| | - Abdelrahman AlOkda
- Department of Neurology and Neurosurgery, McGill University, Montreal, Quebec, Canada; Metabolic Disorders and Complications Program, and Brain Repair and Integrative Neuroscience Program, Research Institute of the McGill University Health Centre, Montreal, Quebec, Canada
| | - Jeremy M Van Raamsdonk
- Department of Neurology and Neurosurgery, McGill University, Montreal, Quebec, Canada; Metabolic Disorders and Complications Program, and Brain Repair and Integrative Neuroscience Program, Research Institute of the McGill University Health Centre, Montreal, Quebec, Canada; Division of Experimental Medicine, Department of Medicine, McGill University, Montreal, Quebec, Canada.
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6
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Traa A, Shields H, AlOkda A, Rudich ZD, Ko B, Van Raamsdonk JM. Endosomal trafficking protein TBC-2 is required for the longevity of long-lived mitochondrial mutants. FRONTIERS IN AGING 2023; 4:1145198. [PMID: 37261067 PMCID: PMC10228650 DOI: 10.3389/fragi.2023.1145198] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/15/2023] [Accepted: 05/04/2023] [Indexed: 06/02/2023]
Abstract
Mutations that result in a mild impairment of mitochondrial function can extend longevity. Previous studies have shown that the increase in lifespan is dependent on stress responsive transcription factors, including DAF-16/FOXO, which exhibits increased nuclear localization in long-lived mitochondrial mutants. We recently found that the localization of DAF-16 within the cell is dependent on the endosomal trafficking protein TBC-2. Based on the important role of DAF-16 in both longevity and resistance to stress, we examined the effect of disrupting tbc-2 on lifespan and stress resistance in the long-lived mitochondrial mutants nuo-6 and isp-1 in Caenorhabditis elegans. Loss of tbc-2 markedly reduced the long lifespans of both mitochondrial mutants. Disruption of tbc-2 also decreased resistance to chronic oxidative stress in nuo-6 and isp-1 mutants but had little or no detrimental effect on resistance to other stressors. In contrast, tbc-2 inhibition had no effect on oxidative stress resistance or lifespan in isp-1 worms when DAF-16 is absent, suggesting that the effect of tbc-2 on mitochondrial mutant lifespan may be mediated by mislocalization of DAF-16. However, this result is complicated by the fact that deletion of daf-16 markedly decreases both phenotypes in isp-1 worms, which could result in a floor effect. In exploring the contribution of DAF-16 further, we found that disruption of tbc-2 did not affect the nuclear localization of DAF-16 in isp-1 worms or prevent the upregulation of DAF-16 target genes in the long-lived mitochondrial mutants. This suggests the possibility that the effect of tbc-2 on lifespan and stress resistance in the long-lived mitochondrial mutants is at least partially independent of its effects on DAF-16 localization. Overall, this work demonstrates the importance of endosomal trafficking for the extended longevity and enhanced stress resistance resulting from mild impairment of mitochondrial function.
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Affiliation(s)
- Annika Traa
- Department of Neurology and Neurosurgery, McGill University, Montreal, QC, Canada
- Metabolic Disorders and Complications Program, Research Institute of the McGill University Health Centre, Montreal, QC, Canada
- Brain Repair and Integrative Neuroscience Program, Research Institute of the McGill University Health Centre, Montreal, QC, Canada
| | - Hazel Shields
- Department of Neurology and Neurosurgery, McGill University, Montreal, QC, Canada
- Metabolic Disorders and Complications Program, Research Institute of the McGill University Health Centre, Montreal, QC, Canada
- Brain Repair and Integrative Neuroscience Program, Research Institute of the McGill University Health Centre, Montreal, QC, Canada
| | - Abdelrahman AlOkda
- Department of Neurology and Neurosurgery, McGill University, Montreal, QC, Canada
- Metabolic Disorders and Complications Program, Research Institute of the McGill University Health Centre, Montreal, QC, Canada
- Brain Repair and Integrative Neuroscience Program, Research Institute of the McGill University Health Centre, Montreal, QC, Canada
| | - Zenith D. Rudich
- Department of Neurology and Neurosurgery, McGill University, Montreal, QC, Canada
- Metabolic Disorders and Complications Program, Research Institute of the McGill University Health Centre, Montreal, QC, Canada
- Brain Repair and Integrative Neuroscience Program, Research Institute of the McGill University Health Centre, Montreal, QC, Canada
| | - Bokang Ko
- Department of Neurology and Neurosurgery, McGill University, Montreal, QC, Canada
- Metabolic Disorders and Complications Program, Research Institute of the McGill University Health Centre, Montreal, QC, Canada
- Brain Repair and Integrative Neuroscience Program, Research Institute of the McGill University Health Centre, Montreal, QC, Canada
| | - Jeremy M. Van Raamsdonk
- Department of Neurology and Neurosurgery, McGill University, Montreal, QC, Canada
- Metabolic Disorders and Complications Program, Research Institute of the McGill University Health Centre, Montreal, QC, Canada
- Brain Repair and Integrative Neuroscience Program, Research Institute of the McGill University Health Centre, Montreal, QC, Canada
- Division of Experimental Medicine, Department of Medicine, McGill University, Montreal, QC, Canada
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7
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Vogt MC, Hobert O. Starvation-induced changes in somatic insulin/IGF-1R signaling drive metabolic programming across generations. SCIENCE ADVANCES 2023; 9:eade1817. [PMID: 37027477 PMCID: PMC10081852 DOI: 10.1126/sciadv.ade1817] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/30/2022] [Accepted: 03/08/2023] [Indexed: 05/30/2023]
Abstract
Exposure to adverse nutritional and metabolic environments during critical periods of development can exert long-lasting effects on health outcomes of an individual and its descendants. Although such metabolic programming has been observed in multiple species and in response to distinct nutritional stressors, conclusive insights into signaling pathways and mechanisms responsible for initiating, mediating, and manifesting changes to metabolism and behavior across generations remain scarce. By using a starvation paradigm in Caenorhabditis elegans, we show that starvation-induced changes in dauer formation-16/forkhead box transcription factor class O (DAF-16/FoxO) activity, the main downstream target of insulin/insulin-like growth factor 1 (IGF-1) receptor signaling, are responsible for metabolic programming phenotypes. Tissue-specific depletion of DAF-16/FoxO during distinct developmental time points demonstrates that DAF-16/FoxO acts in somatic tissues, but not directly in the germline, to both initiate and manifest metabolic programming. In conclusion, our study deciphers multifaceted and critical roles of highly conserved insulin/IGF-1 receptor signaling in determining health outcomes and behavior across generations.
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8
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Wong SQ, Ryan CJ, Bonal DM, Mills J, Lapierre LR. Neuronal HLH-30/TFEB modulates peripheral mitochondrial fragmentation to improve thermoresistance in Caenorhabditis elegans. Aging Cell 2023; 22:e13741. [PMID: 36419219 PMCID: PMC10014052 DOI: 10.1111/acel.13741] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2022] [Revised: 09/29/2022] [Accepted: 10/31/2022] [Indexed: 11/25/2022] Open
Abstract
Transcription factor EB (TFEB) is a conserved master transcriptional activator of autophagy and lysosomal genes that modulates organismal lifespan regulation and stress resistance. As neurons can coordinate organism-wide processes, we investigated the role of neuronal TFEB in stress resistance and longevity. To this end, the Caenorhabditis elegans TFEB ortholog, hlh-30, was rescued panneuronally in hlh-30 loss of function mutants. While important in the long lifespan of daf-2 animals, neuronal HLH-30/TFEB was not sufficient to restore normal lifespan in short-lived hlh-30 mutants. However, neuronal HLH-30/TFEB rescue mediated robust improvements in the heat stress resistance of wildtype but not daf-2 animals. Notably, these mechanisms can be uncoupled, as neuronal HLH-30/TFEB requires DAF-16/FOXO to regulate longevity but not thermoresistance. Through further transcriptomics profiling and functional analysis, we discovered that neuronal HLH-30/TFEB modulates neurotransmission through the hitherto uncharacterized protein W06A11.1 by inducing peripheral mitochondrial fragmentation and organismal heat stress resistance in a non-cell autonomous manner. Taken together, this study uncovers a novel mechanism of heat stress protection mediated by neuronal HLH-30/TFEB.
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Affiliation(s)
- Shi Quan Wong
- Department of Molecular Biology, Cell Biology and BiochemistryBrown UniversityProvidenceRhode IslandUSA
| | - Catherine J. Ryan
- Department of Molecular Biology, Cell Biology and BiochemistryBrown UniversityProvidenceRhode IslandUSA
| | - Dennis M. Bonal
- Pathobiology Graduate Program, Division of Biology & MedicineBrown UniversityProvidenceRhode IslandUSA
| | - Joslyn Mills
- Department of Molecular Biology, Cell Biology and BiochemistryBrown UniversityProvidenceRhode IslandUSA
- Department of BiologyWheaton CollegeNortonMassachusettsUSA
| | - Louis R. Lapierre
- Department of Molecular Biology, Cell Biology and BiochemistryBrown UniversityProvidenceRhode IslandUSA
- Département de Chimie et BiochimieUniversité de MonctonMonctonNew BrunswickCanada
- New Brunswick Center for Precision MedicineMonctonNew BrunswickCanada
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9
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Traa A, Soo SK, AlOkda A, Ko B, Rocheleau CE, Van Raamsdonk JM. Endosomal trafficking protein TBC-2 modulates stress resistance and lifespan through DAF-16-dependent and independent mechanisms. Aging Cell 2023; 22:e13762. [PMID: 36794357 PMCID: PMC10014066 DOI: 10.1111/acel.13762] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Revised: 11/28/2022] [Accepted: 12/08/2022] [Indexed: 02/17/2023] Open
Abstract
The FOXO transcription factor, DAF-16, plays an integral role in insulin/IGF-1 signaling (IIS) and stress response. In conditions of stress or decreased IIS, DAF-16 moves to the nucleus where it activates genes that promote survival. To gain insight into the role of endosomal trafficking in resistance to stress, we disrupted tbc-2, which encodes a GTPase activating protein that inhibits RAB-5 and RAB-7. We found that tbc-2 mutants have decreased nuclear localization of DAF-16 in response to heat stress, anoxia, and bacterial pathogen stress, but increased nuclear localization of DAF-16 in response to chronic oxidative stress and osmotic stress. tbc-2 mutants also exhibit decreased upregulation of DAF-16 target genes in response to stress. To determine whether the rate of nuclear localization of DAF-16 affected stress resistance in these animals, we examined survival after exposure to multiple exogenous stressors. Disruption of tbc-2 decreased resistance to heat stress, anoxia, and bacterial pathogen stress in both wild-type worms and stress-resistant daf-2 insulin/IGF-1 receptor mutants. Similarly, deletion of tbc-2 decreases lifespan in both wild-type worms and daf-2 mutants. When DAF-16 is absent, the loss of tbc-2 is still able to decrease lifespan but has little or no impact on resistance to most stresses. Combined, this suggests that disruption of tbc-2 affects lifespan through both DAF-16-dependent and DAF-16-independent pathways, while the effect of tbc-2 deletion on resistance to stress is primarily DAF-16-dependent. Overall, this work demonstrates the importance of endosomal trafficking for the proper nuclear localization of DAF-16 during stress and that perturbation of normal endosomal trafficking is sufficient to decrease both stress resistance and lifespan.
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Affiliation(s)
- Annika Traa
- Department of Neurology and Neurosurgery, McGill University, Montreal, Quebec, Canada.,Metabolic Disorders and Complications Program, Research Institute of the McGill University Health Centre, Montreal, Quebec, Canada.,Brain Repair and Integrative Neuroscience Program, Research Institute of the McGill University Health Centre, Montreal, Quebec, Canada
| | - Sonja K Soo
- Department of Neurology and Neurosurgery, McGill University, Montreal, Quebec, Canada.,Metabolic Disorders and Complications Program, Research Institute of the McGill University Health Centre, Montreal, Quebec, Canada.,Brain Repair and Integrative Neuroscience Program, Research Institute of the McGill University Health Centre, Montreal, Quebec, Canada
| | - Abdelrahman AlOkda
- Department of Neurology and Neurosurgery, McGill University, Montreal, Quebec, Canada.,Metabolic Disorders and Complications Program, Research Institute of the McGill University Health Centre, Montreal, Quebec, Canada.,Brain Repair and Integrative Neuroscience Program, Research Institute of the McGill University Health Centre, Montreal, Quebec, Canada
| | - Bokang Ko
- Department of Neurology and Neurosurgery, McGill University, Montreal, Quebec, Canada.,Metabolic Disorders and Complications Program, Research Institute of the McGill University Health Centre, Montreal, Quebec, Canada.,Brain Repair and Integrative Neuroscience Program, Research Institute of the McGill University Health Centre, Montreal, Quebec, Canada
| | - Christian E Rocheleau
- Metabolic Disorders and Complications Program, Research Institute of the McGill University Health Centre, Montreal, Quebec, Canada.,Division of Experimental Medicine, Department of Medicine, McGill University, Montreal, Quebec, Canada
| | - Jeremy M Van Raamsdonk
- Department of Neurology and Neurosurgery, McGill University, Montreal, Quebec, Canada.,Metabolic Disorders and Complications Program, Research Institute of the McGill University Health Centre, Montreal, Quebec, Canada.,Brain Repair and Integrative Neuroscience Program, Research Institute of the McGill University Health Centre, Montreal, Quebec, Canada.,Division of Experimental Medicine, Department of Medicine, McGill University, Montreal, Quebec, Canada
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10
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Moldakozhayev A, Gladyshev VN. Metabolism, homeostasis, and aging. Trends Endocrinol Metab 2023; 34:158-169. [PMID: 36681595 PMCID: PMC11096277 DOI: 10.1016/j.tem.2023.01.003] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/15/2022] [Revised: 01/03/2023] [Accepted: 01/03/2023] [Indexed: 01/21/2023]
Abstract
We propose a two-mode (pursuit/maintenance) model of metabolism defined by usable resource availability. Pursuit, consisting of anabolism and catabolism, dominates when usable resources are plentiful and leads to the generation of metabolic waste. In turn, maintenance of a system is activated by elevated metabolic waste during resource depletion. Interaction with the environment results in pendulum-like swings between these metabolic states in thriveless attempts to maintain the least deleterious organismal state - ephemeral homeostasis. Imperfectness of biological processes during these attempts supports the accumulation of the deleteriome, driving organismal aging. We discuss how metabolic adjustment by the environment and resource stabilization may modulate healthspan and lifespan.
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Affiliation(s)
- Alibek Moldakozhayev
- Division of Genetics, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA; Department of Neurology and Neurosurgery, McGill University, Montreal, Quebec, QC H3A 2B4, Canada; Metabolic Disorders and Complications Program, and Brain Repair and Integrative Neuroscience Program, Research Institute of the McGill University Health Centre, Montreal, Quebec, QC H4A 3J1, Canada
| | - Vadim N Gladyshev
- Division of Genetics, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA.
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11
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Choi HS, Bhat A, Howington MB, Schaller ML, Cox RL, Huang S, Beydoun S, Miller HA, Tuckowski AM, Mecano J, Dean ES, Jensen L, Beard DA, Evans CR, Leiser SF. FMO rewires metabolism to promote longevity through tryptophan and one carbon metabolism in C. elegans. Nat Commun 2023; 14:562. [PMID: 36732543 PMCID: PMC9894935 DOI: 10.1038/s41467-023-36181-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2021] [Accepted: 01/19/2023] [Indexed: 02/04/2023] Open
Abstract
Flavin containing monooxygenases (FMOs) are promiscuous enzymes known for metabolizing a wide range of exogenous compounds. In C. elegans, fmo-2 expression increases lifespan and healthspan downstream of multiple longevity-promoting pathways through an unknown mechanism. Here, we report that, beyond its classification as a xenobiotic enzyme, fmo-2 expression leads to rewiring of endogenous metabolism principally through changes in one carbon metabolism (OCM). These changes are likely relevant, as we find that genetically modifying OCM enzyme expression leads to alterations in longevity that interact with fmo-2 expression. Using computer modeling, we identify decreased methylation as the major OCM flux modified by FMO-2 that is sufficient to recapitulate its longevity benefits. We further find that tryptophan is decreased in multiple mammalian FMO overexpression models and is a validated substrate for FMO-2. Our resulting model connects a single enzyme to two previously unconnected key metabolic pathways and provides a framework for the metabolic interconnectivity of longevity-promoting pathways such as dietary restriction. FMOs are well-conserved enzymes that are also induced by lifespan-extending interventions in mice, supporting a conserved and important role in promoting health and longevity through metabolic remodeling.
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Affiliation(s)
- Hyo Sub Choi
- Department of Molecular and Integrative Physiology, University of Michigan, Ann Arbor, MI, 48109, USA
| | - Ajay Bhat
- Department of Molecular and Integrative Physiology, University of Michigan, Ann Arbor, MI, 48109, USA
| | - Marshall B Howington
- Cellular and Molecular Biology Program, University of Michigan, Ann Arbor, MI, 48109, USA
| | - Megan L Schaller
- Department of Molecular and Integrative Physiology, University of Michigan, Ann Arbor, MI, 48109, USA
| | - Rebecca L Cox
- Department of Molecular and Integrative Physiology, University of Michigan, Ann Arbor, MI, 48109, USA
| | - Shijiao Huang
- Department of Molecular and Integrative Physiology, University of Michigan, Ann Arbor, MI, 48109, USA
| | - Safa Beydoun
- Department of Molecular and Integrative Physiology, University of Michigan, Ann Arbor, MI, 48109, USA
| | - Hillary A Miller
- Cellular and Molecular Biology Program, University of Michigan, Ann Arbor, MI, 48109, USA
| | - Angela M Tuckowski
- Cellular and Molecular Biology Program, University of Michigan, Ann Arbor, MI, 48109, USA
| | - Joy Mecano
- Department of Molecular and Integrative Physiology, University of Michigan, Ann Arbor, MI, 48109, USA
| | - Elizabeth S Dean
- Department of Molecular and Integrative Physiology, University of Michigan, Ann Arbor, MI, 48109, USA
| | - Lindy Jensen
- Department of Molecular and Integrative Physiology, University of Michigan, Ann Arbor, MI, 48109, USA
| | - Daniel A Beard
- Department of Molecular and Integrative Physiology, University of Michigan, Ann Arbor, MI, 48109, USA
| | - Charles R Evans
- Department of Internal Medicine, University of Michigan, Ann Arbor, MI, 48109, USA
| | - Scott F Leiser
- Department of Molecular and Integrative Physiology, University of Michigan, Ann Arbor, MI, 48109, USA.
- Department of Internal Medicine, University of Michigan, Ann Arbor, MI, 48109, USA.
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12
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García-Garví A, Layana-Castro PE, Sánchez-Salmerón AJ. Analysis of a C. elegans lifespan prediction method based on a bimodal neural network and uncertainty estimation. Comput Struct Biotechnol J 2022; 21:655-664. [PMID: 36659931 PMCID: PMC9826930 DOI: 10.1016/j.csbj.2022.12.033] [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: 09/20/2022] [Revised: 12/16/2022] [Accepted: 12/19/2022] [Indexed: 12/30/2022] Open
Abstract
In recent decades, assays with the nematode Caenorhabditis elegans (C. elegans) have enabled great advances to be made in research on aging. However, performing these assays manually is a laborious task. To solve this problem, numerous C. elegans assay automation techniques are being developed to increase throughput and accuracy. In this paper, a method for predicting the lifespan of C. elegans nematodes using a bimodal neural network is proposed and analyzed. Specifically, the model uses the sequence of images and the count of live C. elegans up to the current day to predict the lifespan curve termination. This network has been trained using a simulator to avoid the labeling costs of training such a model. In addition, a method for estimating the uncertainty of the model predictions has been proposed. Using this uncertainty, a criterion has been analyzed to decide at what point the assay could be halted and the user could rely on the model's predictions. The method has been analyzed and validated using real experiments. The results show that uncertainty is reduced from the mean lifespan and that most of the predictions obtained do not present statistically significant differences with respect to the curves obtained manually.
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13
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Soo SK, Traa A, Rudich ZD, Moldakozhayev A, Mistry M, Van Raamsdonk JM. Genetic basis of enhanced stress resistance in long-lived mutants highlights key role of innate immunity in determining longevity. Aging Cell 2022; 22:e13740. [PMID: 36514863 PMCID: PMC9924947 DOI: 10.1111/acel.13740] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2022] [Revised: 09/07/2022] [Accepted: 10/26/2022] [Indexed: 12/15/2022] Open
Abstract
Mutations that extend lifespan are associated with enhanced resistance to stress. To better understand the molecular mechanisms underlying this relationship, we directly compared lifespan extension, resistance to external stressors, and gene expression in a panel of nine long-lived Caenorhabditis elegans mutants from different pathways of lifespan extension. All of the examined long-lived mutants exhibited increased resistance to one or more types of stress. Resistance to each of the examined types of stress had a significant, positive correlation with lifespan, with bacterial pathogen resistance showing the strongest relationship. Analysis of transcriptional changes indicated that all of the examined long-lived mutants showed a significant upregulation of multiple stress response pathways. Interestingly, there was a very significant overlap between genes highly correlated with stress resistance and genes highly correlated with longevity, suggesting that the same genetic pathways drive both phenotypes. This was especially true for genes correlated with bacterial pathogen resistance, which showed an 84% overlap with genes correlated with lifespan. To further explore the relationship between innate immunity and longevity, we disrupted the p38-mediated innate immune signaling pathway in each of the long-lived mutants and found that this pathway is required for lifespan extension in eight of nine mutants. Overall, our results demonstrate a strong correlation between stress resistance and longevity that results from the high degree of overlap in genes contributing to each phenotype. Moreover, these findings demonstrate the importance of the innate immune system in lifespan determination and indicate that the same underlying genes drive both immunity and longevity.
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Affiliation(s)
- Sonja K. Soo
- Department of Neurology and NeurosurgeryMcGill UniversityMontrealQuebecCanada,Metabolic Disorders and Complications Program, and Brain Repair and Integrative Neuroscience ProgramResearch Institute of the McGill University Health CentreMontrealQuebecCanada
| | - Annika Traa
- Department of Neurology and NeurosurgeryMcGill UniversityMontrealQuebecCanada,Metabolic Disorders and Complications Program, and Brain Repair and Integrative Neuroscience ProgramResearch Institute of the McGill University Health CentreMontrealQuebecCanada
| | - Zenith D. Rudich
- Department of Neurology and NeurosurgeryMcGill UniversityMontrealQuebecCanada,Metabolic Disorders and Complications Program, and Brain Repair and Integrative Neuroscience ProgramResearch Institute of the McGill University Health CentreMontrealQuebecCanada
| | - Alibek Moldakozhayev
- Department of Neurology and NeurosurgeryMcGill UniversityMontrealQuebecCanada,Metabolic Disorders and Complications Program, and Brain Repair and Integrative Neuroscience ProgramResearch Institute of the McGill University Health CentreMontrealQuebecCanada
| | - Meeta Mistry
- Bioinformatics Core, Harvard School of Public HealthHarvard Medical SchoolBostonMassachusettsUSA
| | - Jeremy M. Van Raamsdonk
- Department of Neurology and NeurosurgeryMcGill UniversityMontrealQuebecCanada,Metabolic Disorders and Complications Program, and Brain Repair and Integrative Neuroscience ProgramResearch Institute of the McGill University Health CentreMontrealQuebecCanada,Division of Experimental Medicine, Department of MedicineMcGill UniversityMontrealQuebecCanada
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14
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Roy C, Molin L, Alcolei A, Solyga M, Bonneau B, Vachon C, Bessereau JL, Solari F. DAF-2/insulin IGF-1 receptor regulates motility during aging by integrating opposite signaling from muscle and neuronal tissues. Aging Cell 2022; 21:e13660. [PMID: 35808897 PMCID: PMC9381905 DOI: 10.1111/acel.13660] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2021] [Revised: 05/27/2022] [Accepted: 06/05/2022] [Indexed: 12/11/2022] Open
Abstract
During aging, preservation of locomotion is generally considered an indicator of sustained good health, in elderlies and in animal models. In Caenorhabditis elegans, mutants of the insulin‐IGF‐1 receptor DAF2/IIRc represent a paradigm of healthy aging, as their increased lifespan is accompanied by a delay in age‐related loss of motility. Here, we investigated the DAF‐2/IIRc‐dependent relationship between longevity and motility using an auxin‐inducible degron to trigger tissue‐specific degradation of endogenous DAF‐2/IIRc. As previously reported, inactivation of DAF‐2/IIRc in neurons or intestine was sufficient to extend the lifespan of worms, whereas depletion in epidermis, germline, or muscle was not. However, neither intestinal nor neuronal depletion of DAF‐2/IIRc prevented the age‐related loss of motility. In 1‐day‐old adults, DAF‐2/IIRc depletion in neurons reduced motility in a DAF‐16/FOXO dependent manner, while muscle depletion had no effect. By contrast, DAF‐2 depletion in the muscle of middle‐age animals improved their motility independently of DAF‐16/FOXO but required UNC‐120/SRF. Yet, neuronal or muscle DAF‐2/IIRc depletion both preserved the mitochondria network in aging muscle. Overall, these results show that the motility pattern of daf‐2 mutants is determined by the sequential and opposing impact of neurons and muscle tissues and can be dissociated from the regulation of the lifespan. This work also provides the characterization of a versatile tool to analyze the tissue‐specific contribution of insulin‐like signaling in integrated phenotypes at the whole organism level.
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Affiliation(s)
- Charline Roy
- Université de Lyon, Université Claude Bernard Lyon 1, CNRS UMR5284, INSERMU1314, Institut NeuroMyoGène, MeLis, Lyon, France
| | - Laurent Molin
- Université de Lyon, Université Claude Bernard Lyon 1, CNRS UMR5284, INSERMU1314, Institut NeuroMyoGène, MeLis, Lyon, France
| | - Allan Alcolei
- Université de Lyon, Université Claude Bernard Lyon 1, CNRS UMR5284, INSERMU1314, Institut NeuroMyoGène, MeLis, Lyon, France
| | - Mathilde Solyga
- Université de Lyon, Université Claude Bernard Lyon 1, CNRS UMR5284, INSERMU1314, Institut NeuroMyoGène, MeLis, Lyon, France
| | - Benjamin Bonneau
- Université de Lyon, Université Claude Bernard Lyon 1, CNRS UMR5284, INSERMU1314, Institut NeuroMyoGène, MeLis, Lyon, France
| | - Camille Vachon
- Université de Lyon, Université Claude Bernard Lyon 1, CNRS UMR5284, INSERMU1314, Institut NeuroMyoGène, MeLis, Lyon, France
| | - Jean-Louis Bessereau
- Université de Lyon, Université Claude Bernard Lyon 1, CNRS UMR5284, INSERMU1314, Institut NeuroMyoGène, MeLis, Lyon, France
| | - Florence Solari
- Université de Lyon, Université Claude Bernard Lyon 1, CNRS UMR5284, INSERMU1314, Institut NeuroMyoGène, MeLis, Lyon, France
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15
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Tsitsipatis D, Martindale JL, Ubaida‐Mohien C, Lyashkov A, Yanai H, Kashyap A, Shin CH, Herman AB, Ji E, Yang J, Munk R, Dunn C, Lukyanenko Y, Yang X, Chia CW, Karikkineth AC, Zukley L, D’Agostino J, Kaileh M, Cui C, Beerman I, Ferrucci L, Gorospe M. Proteomes of primary skin fibroblasts from healthy individuals reveal altered cell responses across the life span. Aging Cell 2022; 21:e13609. [PMID: 35429111 PMCID: PMC9124301 DOI: 10.1111/acel.13609] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Accepted: 03/24/2022] [Indexed: 02/04/2023] Open
Abstract
Changes in the proteome of different human tissues with advancing age are poorly characterized. Here, we studied the proteins present in primary skin fibroblasts collected from 82 healthy individuals across a wide age spectrum (22-89 years old) who participated in the GESTALT (Genetic and Epigenetic Signatures of Translational Aging Laboratory Testing) study of the National Institute on Aging, NIH. Proteins were extracted from lysed fibroblasts and subjected to liquid chromatography-mass spectrometry analysis, and the expression levels of 9341 proteins were analyzed using linear regression models. We identified key pathways associated with skin fibroblast aging, including autophagy, scavenging of reactive oxygen species (ROS), ribosome biogenesis, DNA replication, and DNA repair. Changes in these prominent pathways were corroborated using molecular and cell culture approaches. Our study establishes a framework of the global proteome governing skin fibroblast aging and points to possible biomarkers and therapeutic targets.
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Affiliation(s)
- Dimitrios Tsitsipatis
- Laboratory of Genetics and GenomicsNational Institute on AgingNational Institutes of Health Intramural Research ProgramBaltimoreMarylandUSA
| | - Jennifer L. Martindale
- Laboratory of Genetics and GenomicsNational Institute on AgingNational Institutes of Health Intramural Research ProgramBaltimoreMarylandUSA
| | - Ceereena Ubaida‐Mohien
- Translational Gerontology BranchNational Institute on AgingNational Institutes of Health Intramural Research ProgramBaltimoreMarylandUSA
| | - Alexey Lyashkov
- Translational Gerontology BranchNational Institute on AgingNational Institutes of Health Intramural Research ProgramBaltimoreMarylandUSA
| | - Hagai Yanai
- Translational Gerontology BranchNational Institute on AgingNational Institutes of Health Intramural Research ProgramBaltimoreMarylandUSA
| | - Amogh Kashyap
- Translational Gerontology BranchNational Institute on AgingNational Institutes of Health Intramural Research ProgramBaltimoreMarylandUSA
| | - Chang Hoon Shin
- Laboratory of Genetics and GenomicsNational Institute on AgingNational Institutes of Health Intramural Research ProgramBaltimoreMarylandUSA
| | - Allison B. Herman
- Laboratory of Genetics and GenomicsNational Institute on AgingNational Institutes of Health Intramural Research ProgramBaltimoreMarylandUSA
| | - Eunbyul Ji
- Laboratory of Genetics and GenomicsNational Institute on AgingNational Institutes of Health Intramural Research ProgramBaltimoreMarylandUSA
| | - Jen‐Hao Yang
- Laboratory of Genetics and GenomicsNational Institute on AgingNational Institutes of Health Intramural Research ProgramBaltimoreMarylandUSA
| | - Rachel Munk
- Laboratory of Genetics and GenomicsNational Institute on AgingNational Institutes of Health Intramural Research ProgramBaltimoreMarylandUSA
| | - Christopher Dunn
- Laboratory of Molecular Biology and ImmunologyNational Institute on AgingNational Institutes of Health Intramural Research ProgramBaltimoreMarylandUSA
| | - Yevgeniya Lukyanenko
- Translational Gerontology BranchNational Institute on AgingNational Institutes of Health Intramural Research ProgramBaltimoreMarylandUSA
| | - Xiaoling Yang
- Laboratory of Genetics and GenomicsNational Institute on AgingNational Institutes of Health Intramural Research ProgramBaltimoreMarylandUSA
| | - Chee W. Chia
- Clinical Research CoreNational Institute on AgingNational Institutes of Health Intramural Research ProgramBaltimoreMarylandUSA
| | - Ajoy C. Karikkineth
- Clinical Research CoreNational Institute on AgingNational Institutes of Health Intramural Research ProgramBaltimoreMarylandUSA
| | - Linda Zukley
- Clinical Research CoreNational Institute on AgingNational Institutes of Health Intramural Research ProgramBaltimoreMarylandUSA
| | - Jarod D’Agostino
- Clinical Research CoreNational Institute on AgingNational Institutes of Health Intramural Research ProgramBaltimoreMarylandUSA
| | - Mary Kaileh
- Laboratory of Molecular Biology and ImmunologyNational Institute on AgingNational Institutes of Health Intramural Research ProgramBaltimoreMarylandUSA
| | - Chang‐Yi Cui
- Laboratory of Genetics and GenomicsNational Institute on AgingNational Institutes of Health Intramural Research ProgramBaltimoreMarylandUSA
| | - Isabel Beerman
- Translational Gerontology BranchNational Institute on AgingNational Institutes of Health Intramural Research ProgramBaltimoreMarylandUSA
| | - Luigi Ferrucci
- Translational Gerontology BranchNational Institute on AgingNational Institutes of Health Intramural Research ProgramBaltimoreMarylandUSA
| | - Myriam Gorospe
- Laboratory of Genetics and GenomicsNational Institute on AgingNational Institutes of Health Intramural Research ProgramBaltimoreMarylandUSA
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16
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Zečić A, Dhondt I, Braeckman BP. Accumulation of Glycogen and Upregulation of LEA-1 in C. elegans daf-2(e1370) Support Stress Resistance, Not Longevity. Cells 2022; 11:245. [PMID: 35053361 PMCID: PMC8773926 DOI: 10.3390/cells11020245] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Revised: 12/26/2021] [Accepted: 01/07/2022] [Indexed: 02/04/2023] Open
Abstract
DAF-16-dependent activation of a dauer-associated genetic program in the C. elegans insulin/IGF-1 daf-2(e1370) mutant leads to accumulation of large amounts of glycogen with concomitant upregulation of glycogen synthase, GSY-1. Glycogen is a major storage sugar in C. elegans that can be used as a short-term energy source for survival, and possibly as a reservoir for synthesis of a chemical chaperone trehalose. Its role in mitigating anoxia, osmotic and oxidative stress has been demonstrated previously. Furthermore, daf-2 mutants show increased abundance of the group 3 late embryogenesis abundant protein LEA-1, which has been found to act in synergy with trehalose to exert its protective role against desiccation and heat stress in vitro, and to be essential for desiccation tolerance in C. elegans dauer larvae. Here we demonstrate that accumulated glycogen is not required for daf-2 longevity, but specifically protects against hyperosmotic stress, and serves as an important energy source during starvation. Similarly, lea-1 does not act to support daf-2 longevity. Instead, it contributes to increased resistance of daf-2 mutants to heat, osmotic, and UV stress. In summary, our experimental results suggest that longevity and stress resistance can be uncoupled in IIS longevity mutants.
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Affiliation(s)
| | | | - Bart P. Braeckman
- Laboratory of Aging Physiology and Molecular Evolution, Department of Biology, Ghent University, K. L. Ledeganckstraat 35, B-9000 Ghent, Belgium; (A.Z.); (I.D.)
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17
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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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18
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Campos JC, Wu Z, Rudich PD, Soo SK, Mistry M, Ferreira JC, Blackwell TK, Van Raamsdonk JM. Mild mitochondrial impairment enhances innate immunity and longevity through ATFS-1 and p38 signaling. EMBO Rep 2021; 22:e52964. [PMID: 34617666 PMCID: PMC8647147 DOI: 10.15252/embr.202152964] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2021] [Revised: 09/10/2021] [Accepted: 09/17/2021] [Indexed: 11/09/2022] Open
Abstract
While mitochondrial function is essential for life in all multicellular organisms, a mild impairment of mitochondrial function can extend longevity in model organisms. By understanding the molecular mechanisms involved, these pathways might be targeted to promote healthy aging. In studying two long-lived mitochondrial mutants in C. elegans, we found that disrupting subunits of the mitochondrial electron transport chain results in upregulation of genes involved in innate immunity, which is driven by the mitochondrial unfolded protein response (mitoUPR) but also dependent on the canonical p38-mediated innate immune signaling pathway. Both of these pathways are required for the increased resistance to bacterial pathogens and extended longevity of the long-lived mitochondrial mutants, as is the FOXO transcription factor DAF-16. This work demonstrates that both the p38-mediated innate immune signaling pathway and the mitoUPR act in concert on the same innate immunity genes to promote pathogen resistance and longevity and that input from the mitochondria can extend longevity by signaling through these pathways. This indicates that multiple evolutionarily conserved genetic pathways controlling innate immunity also function to modulate lifespan.
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Affiliation(s)
- Juliane C Campos
- Research Division, Joslin Diabetes Center, Boston, MA, USA.,Department of Genetics, Harvard Medical School, Boston, MA, USA.,Harvard Stem Cell Institute, Harvard Medical School, Boston, MA, USA.,Institute of Biomedical Sciences, University of Sao Paulo, Sao Paulo, Brazil
| | - Ziyun Wu
- Research Division, Joslin Diabetes Center, Boston, MA, USA.,Department of Genetics, Harvard Medical School, Boston, MA, USA.,Harvard Stem Cell Institute, Harvard Medical School, Boston, MA, USA.,Department of Food Science and Engineering, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai, China
| | - Paige D Rudich
- Department of Neurology and Neurosurgery, McGill University, Montreal, QC, Canada.,Metabolic Disorders and Complications Program, and Brain Repair and Integrative Neuroscience Program, Research Institute of the McGill University Health Centre, Montreal, QC, Canada
| | - Sonja K Soo
- Department of Neurology and Neurosurgery, McGill University, Montreal, QC, Canada.,Metabolic Disorders and Complications Program, and Brain Repair and Integrative Neuroscience Program, Research Institute of the McGill University Health Centre, Montreal, QC, Canada
| | - Meeta Mistry
- Bioinformatics Core, Harvard School of Public Health, Harvard Medical School, Boston, MA, USA
| | - Julio Cb Ferreira
- Institute of Biomedical Sciences, University of Sao Paulo, Sao Paulo, Brazil
| | - T Keith Blackwell
- Research Division, Joslin Diabetes Center, Boston, MA, USA.,Department of Genetics, Harvard Medical School, Boston, MA, USA.,Harvard Stem Cell Institute, Harvard Medical School, Boston, MA, USA
| | - Jeremy M Van Raamsdonk
- Department of Genetics, Harvard Medical School, Boston, MA, USA.,Department of Neurology and Neurosurgery, McGill University, Montreal, QC, Canada.,Metabolic Disorders and Complications Program, and Brain Repair and Integrative Neuroscience Program, Research Institute of the McGill University Health Centre, Montreal, QC, Canada.,Division of Experimental Medicine, Department of Medicine, McGill University, Montreal, QC, Canada
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19
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Marchal L, Hamsanathan S, Karthikappallil R, Han S, Shinglot H, Gurkar AU. Analysis of representative mutants for key DNA repair pathways on healthspan in Caenorhabditis elegans. Mech Ageing Dev 2021; 200:111573. [PMID: 34562508 DOI: 10.1016/j.mad.2021.111573] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2021] [Revised: 08/26/2021] [Accepted: 09/21/2021] [Indexed: 12/30/2022]
Abstract
Although the link between DNA damage and aging is well accepted, the role of different DNA repair proteins on functional/physiological aging is not well-defined. Here, using Caenorhabditis elegans, we systematically examined the effect of three DNA repair genes involved in key genome stability pathways. We assayed multiple health proxies including molecular, functional and resilience measures to define healthspan. Loss of XPF-1/ERCC-1, a protein involved in nucleotide excision repair (NER), homologous recombination (HR) and interstrand crosslink (ICL) repair, showed the highest impairment of functional and stress resilience measures along with a shortened lifespan. brc-1 mutants, with a well-defined role in HR and ICL are short-lived and highly sensitive to acute stressors, specifically oxidative stress. In contrast, ICL mutant, fcd-2 did not impact lifespan or most healthspan measures. Our efforts also uncover that DNA repair mutants show high sensitivity to oxidative stress with age, suggesting that this measure could act as a primary proxy for healthspan. Together, these data suggest that impairment of multiple DNA repair genes can drive functional/physiological aging. Further studies to examine specific DNA repair genes in a tissue specific manner will help dissect the importance and mechanistic role of these repair systems in biological aging.
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Affiliation(s)
- Lucile Marchal
- Aging Institute of UPMC and the University of Pittsburgh School of Medicine, 100 Technology Dr, Pittsburgh, PA, 15219, USA
| | - Shruthi Hamsanathan
- Aging Institute of UPMC and the University of Pittsburgh School of Medicine, 100 Technology Dr, Pittsburgh, PA, 15219, USA
| | - Roshan Karthikappallil
- Aging Institute of UPMC and the University of Pittsburgh School of Medicine, 100 Technology Dr, Pittsburgh, PA, 15219, USA; Medical Sciences Division, University of Oxford, Oxford, UK
| | - Suhao Han
- Aging Institute of UPMC and the University of Pittsburgh School of Medicine, 100 Technology Dr, Pittsburgh, PA, 15219, USA
| | - Himaly Shinglot
- Aging Institute of UPMC and the University of Pittsburgh School of Medicine, 100 Technology Dr, Pittsburgh, PA, 15219, USA
| | - Aditi U Gurkar
- Aging Institute of UPMC and the University of Pittsburgh School of Medicine, 100 Technology Dr, Pittsburgh, PA, 15219, USA; Division of Geriatric Medicine, Department of Medicine, University of Pittsburgh School of Medicine, 3471 Fifth Avenue, Kaufmann Medical Building Suite 500, Pittsburgh, PA, 15213, USA; Geriatric Research, Education and Clinical Centre, Veterans Affairs Pittsburgh Healthcare System, Pittsburgh, PA, 15240, USA.
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20
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Matei IV, Samukange VNC, Bunu G, Toren D, Ghenea S, Tacutu R. Knock-down of odr-3 and ife-2 additively extends lifespan and healthspan in C. elegans. Aging (Albany NY) 2021; 13:21040-21065. [PMID: 34506301 PMCID: PMC8457566 DOI: 10.18632/aging.203518] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2021] [Accepted: 08/24/2021] [Indexed: 01/04/2023]
Abstract
Genetic manipulations can ameliorate the aging process and extend the lifespan of model organisms. The aim of this research was to identify novel genetic interventions that promote both lifespan and healthspan, by combining the effects of multiple longevity-associated gene inactivations in C. elegans. For this, the individual and combined effects of the odr-3 mutation and of ife-2 and cku-70 knock-downs were studied, both in the wild type and daf-16 mutant backgrounds. We found that besides increasing the lifespan of wild type animals, the knock-down of ife-2 (starting at L4) also extends the lifespan and healthspan of long-lived odr-3 mutants. In the daf-16 background, ife-2 and odr-3 impairment exert opposing effects individually, while the daf-16; odr-3; ife-2 deficient animals show a similar lifespan and healthspan as daf-16, suggesting that the odr-3 and ife-2 effector outcomes converge downstream of DAF-16. By contrast, cku-70 knock-down did not extend the lifespan of single or double odr-3; ife-2 inactivated animals, and was slightly deleterious to healthspan. In conclusion, we report that impairment of odr-3 and ife-2 increases lifespan and healthspan in an additive and synergistic manner, respectively, and that this result is not improved by further knocking-down cku-70.
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Affiliation(s)
- Ioan Valentin Matei
- Systems Biology of Aging Group, Institute of Biochemistry of the Romanian Academy, Bucharest, Romania
| | | | - Gabriela Bunu
- Systems Biology of Aging Group, Institute of Biochemistry of the Romanian Academy, Bucharest, Romania
| | - Dmitri Toren
- Systems Biology of Aging Group, Institute of Biochemistry of the Romanian Academy, Bucharest, Romania
- The Shraga Segal Department of Microbiology, Immunology and Genetics, Center for Multidisciplinary Research on Aging, Ben-Gurion University of the Negev, Beer-Sheva, Israel
| | - Simona Ghenea
- Systems Biology of Aging Group, Institute of Biochemistry of the Romanian Academy, Bucharest, Romania
| | - Robi Tacutu
- Systems Biology of Aging Group, Institute of Biochemistry of the Romanian Academy, Bucharest, Romania
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21
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Sheng Y, Yang G, Casey K, Curry S, Oliver M, Han SM, Leeuwenburgh C, Xiao R. A novel role of the mitochondrial iron-sulfur cluster assembly protein ISCU-1/ISCU in longevity and stress response. GeroScience 2021; 43:691-707. [PMID: 33527323 PMCID: PMC8110660 DOI: 10.1007/s11357-021-00327-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2020] [Accepted: 01/20/2021] [Indexed: 01/02/2023] Open
Abstract
As an ancient cellular co-factor ubiquitously present in all domains of life, nearly all iron-sulfur ([Fe-S]) clusters are assembled in the mitochondrion. Although multiple mitochondrion-derived signalings are known to be key players in longevity regulation, whether the mitochondrial [Fe-S] cluster assembly machinery modulates lifespan is previously unknown. Here, we find that ISCU-1, the C. elegans ortholog of the evolutionarily conserved iron-sulfur cluster (ISC) assembly machinery central protein ISCU, regulates longevity and stress response. Specifically, ISCU-1 accelerates aging in the intestine. Moreover, we identify the Nrf2 transcription factor SKN-1 and a nuclear hormone receptor NHR-49 as the downstream factors of ISCU-1. Lastly, a mitochondrial outer membrane protein phosphatase PGAM-5 appears to link ISCU-1 to SKN-1 and NHR-49 in lifespan regulation. Together, we have identified a novel function of mitochondrial ISC assembly machinery in longevity modulation and stress response.
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Affiliation(s)
- Yi Sheng
- Department of Aging and Geriatric Research, Institute on Aging, University of Florida, PO Box 100143, Gainesville, FL, 32610, USA
| | - Guang Yang
- Department of Aging and Geriatric Research, Institute on Aging, University of Florida, PO Box 100143, Gainesville, FL, 32610, USA
| | - Kaitlyn Casey
- Department of Aging and Geriatric Research, Institute on Aging, University of Florida, PO Box 100143, Gainesville, FL, 32610, USA
| | - Shayla Curry
- Department of Aging and Geriatric Research, Institute on Aging, University of Florida, PO Box 100143, Gainesville, FL, 32610, USA
| | - Mason Oliver
- Department of Aging and Geriatric Research, Institute on Aging, University of Florida, PO Box 100143, Gainesville, FL, 32610, USA
| | - Sung Min Han
- Department of Aging and Geriatric Research, Institute on Aging, University of Florida, PO Box 100143, Gainesville, FL, 32610, USA
| | - Christiaan Leeuwenburgh
- Department of Aging and Geriatric Research, Institute on Aging, University of Florida, PO Box 100143, Gainesville, FL, 32610, USA
| | - Rui Xiao
- Department of Aging and Geriatric Research, Institute on Aging, University of Florida, PO Box 100143, Gainesville, FL, 32610, USA.
- Department of Pharmacology and Therapeutics, College of Medicine, University of Florida, Gainesville, FL, USA.
- Center for Smell and Taste, University of Florida, Gainesville, FL, USA.
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22
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Rasulova M, Zečić A, Monje Moreno JM, Vandemeulebroucke L, Dhondt I, Braeckman BP. Elevated Trehalose Levels in C. elegans daf-2 Mutants Increase Stress Resistance, Not Lifespan. Metabolites 2021; 11:metabo11020105. [PMID: 33673074 PMCID: PMC7917784 DOI: 10.3390/metabo11020105] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2020] [Revised: 02/04/2021] [Accepted: 02/10/2021] [Indexed: 12/20/2022] Open
Abstract
The C. elegans insulin/IGF-1 (insulin-like growth factor 1) signaling mutant daf-2 recapitulates the dauer metabolic signature—a shift towards lipid and carbohydrate accumulation—which may be linked to its longevity and stress resistance phenotypes. Trehalose, a disaccharide of glucose, is highly upregulated in daf‑2 mutants and it has been linked to proteome stabilization and protection against heat, cold, desiccation, and hypoxia. Earlier studies suggested that elevated trehalose levels can explain up to 43% of the lifespan extension observed in daf-2 mutants. Here we demonstrate that trehalose accumulation is responsible for increased osmotolerance, and to some degree thermotolerance, rather than longevity in daf-2 mutants. This indicates that particular stress resistance phenotypes can be uncoupled from longevity.
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23
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Belyi AA, Alekseev AA, Fedintsev AY, Balybin SN, Proshkina EN, Shaposhnikov MV, Moskalev AA. The Resistance of Drosophila melanogaster to Oxidative, Genotoxic, Proteotoxic, Osmotic Stress, Infection, and Starvation Depends on Age According to the Stress Factor. Antioxidants (Basel) 2020; 9:antiox9121239. [PMID: 33297320 PMCID: PMC7762242 DOI: 10.3390/antiox9121239] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2020] [Revised: 11/20/2020] [Accepted: 11/30/2020] [Indexed: 01/05/2023] Open
Abstract
We studied how aging affects the ability of Drosophila melanogaster to tolerate various types of stress factors. Data were obtained on the resistance of D. melanogaster to oxidative and genotoxic (separately paraquat, Fe3+, Cu2+, and Zn2+ ions), proteotoxic (hyperthermia, Cd2+ ions), and osmotic (NaCl) stresses, starvation, and infection with the pathological Beauveria bassiana fungus at different ages. In all cases, we observed a strong negative correlation between age and stress tolerance. The largest change in the age-dependent decline in survival occurred under oxidative and osmotic stress. In most experiments, we observed that young Drosophila females have higher stress resistance than males. We checked whether it is possible to accurately assess the biological age of D. melanogaster based on an assessment of stress tolerance. We have proposed a new approach for assessing a biological age of D. melanogaster using a two-parameter survival curve model. For the model, we used an algorithm that evaluated the quality of age prediction for different age and gender groups. The best predictions were obtained for females who were exposed to CdCl2 and ZnCl2 with an average error of 0.32 days and 0.36 days, respectively. For males, the best results were observed for paraquat and NaCl with an average error of 0.61 and 0.68 days, respectively. The average accuracy for all stresses in our model was 1.73 days.
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Affiliation(s)
- Alexei A. Belyi
- Laboratory of Geroprotective and Radioprotective Technologies, Institute of Biology, Komi Science Centre, Ural Branch, Russian Academy of Sciences, 28 Kommunisticheskaya st., 167982 Syktyvkar, Russia; (A.A.B.); (A.Y.F.); (E.N.P.); (M.V.S.)
| | - Alexey A. Alekseev
- Department of Biophysics, Faculty of Physics, Lomonosov Moscow State University, 119991 Moscow, Russia; (A.A.A.); (S.N.B.)
| | - Alexander Y. Fedintsev
- Laboratory of Geroprotective and Radioprotective Technologies, Institute of Biology, Komi Science Centre, Ural Branch, Russian Academy of Sciences, 28 Kommunisticheskaya st., 167982 Syktyvkar, Russia; (A.A.B.); (A.Y.F.); (E.N.P.); (M.V.S.)
| | - Stepan N. Balybin
- Department of Biophysics, Faculty of Physics, Lomonosov Moscow State University, 119991 Moscow, Russia; (A.A.A.); (S.N.B.)
| | - Ekaterina N. Proshkina
- Laboratory of Geroprotective and Radioprotective Technologies, Institute of Biology, Komi Science Centre, Ural Branch, Russian Academy of Sciences, 28 Kommunisticheskaya st., 167982 Syktyvkar, Russia; (A.A.B.); (A.Y.F.); (E.N.P.); (M.V.S.)
| | - Mikhail V. Shaposhnikov
- Laboratory of Geroprotective and Radioprotective Technologies, Institute of Biology, Komi Science Centre, Ural Branch, Russian Academy of Sciences, 28 Kommunisticheskaya st., 167982 Syktyvkar, Russia; (A.A.B.); (A.Y.F.); (E.N.P.); (M.V.S.)
| | - Alexey A. Moskalev
- Laboratory of Geroprotective and Radioprotective Technologies, Institute of Biology, Komi Science Centre, Ural Branch, Russian Academy of Sciences, 28 Kommunisticheskaya st., 167982 Syktyvkar, Russia; (A.A.B.); (A.Y.F.); (E.N.P.); (M.V.S.)
- Correspondence: ; Tel.: +78-21-231-2894
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24
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Roxo M, Peixoto H, Wetterauer P, Lima E, Wink M. Piquiá Shells ( Caryocar villosum): A Fruit by-Product with Antioxidant and Antiaging Properties in Caenorhabditis elegans. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2020; 2020:7590707. [PMID: 32908638 PMCID: PMC7468659 DOI: 10.1155/2020/7590707] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/18/2020] [Revised: 07/20/2020] [Accepted: 08/01/2020] [Indexed: 12/19/2022]
Abstract
In a context of rising demand for sustainable antiaging interventions, fruit processing by-products are a promising source of bioactive compounds for the production of antiaging dietary supplements. Piquiá (Caryocar villosum) is a native Amazonian fruit consisting of 65% nonedible shells. In the present study, the phytochemical profile of a hydroalcoholic extract of piquiá shells (CV) was characterized by LC-MS/MS analysis. Its antioxidant and antiaging activities were investigated using the nematode Caenorhabditis elegans as an in vivo model. CV is mainly composed by hydrolysable tannins and triterpenoid saponins. The extract enhanced stress resistance of wild-type and mutant worms by reducing the intracellular levels of reactive oxygen species (ROS) and by increasing their survival against a lethal dose of the prooxidant juglone. These effects involved the upregulation of sod-3 and downregulation of gst-4 and hsp-16.2, studied through the GFP fluorescent reporter intensity and at the transcriptional level by qRT-PCR analysis. CV extended the lifespan of wild-type worms in a DAF-16/FoxO- and SKN-1/Nrf-dependent manner. Taken together, our findings indicate piquiá shells as potential candidates for nutraceutical applications. Further studies are needed to validate the relevance of our findings to antiaging interventions in humans.
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Affiliation(s)
- Mariana Roxo
- Institute of Pharmacy and Molecular Biotechnology, Heidelberg University, Im Neuenheimer Feld 364, 69120 Heidelberg, Germany
| | - Herbenya Peixoto
- Institute of Pharmacy and Molecular Biotechnology, Heidelberg University, Im Neuenheimer Feld 364, 69120 Heidelberg, Germany
| | - Pille Wetterauer
- Institute of Pharmacy and Molecular Biotechnology, Heidelberg University, Im Neuenheimer Feld 364, 69120 Heidelberg, Germany
| | - Emerson Lima
- Faculty of Pharmaceutical Sciences, Federal University of Amazonas (UFAM), General Rodrigo 6200, 69077-000 Manaus, Brazil
| | - Michael Wink
- Institute of Pharmacy and Molecular Biotechnology, Heidelberg University, Im Neuenheimer Feld 364, 69120 Heidelberg, Germany
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25
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Machiela E, Liontis T, Dues DJ, Rudich PD, Traa A, Wyman L, Kaufman C, Cooper JF, Lew L, Nadarajan S, Senchuk MM, Van Raamsdonk JM. Disruption of mitochondrial dynamics increases stress resistance through activation of multiple stress response pathways. FASEB J 2020; 34:8475-8492. [PMID: 32385951 PMCID: PMC7313680 DOI: 10.1096/fj.201903235r] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2019] [Revised: 04/05/2020] [Accepted: 04/15/2020] [Indexed: 12/17/2022]
Abstract
Mitochondria are dynamic organelles that can change shape and size depending on the needs of the cell through the processes of mitochondrial fission and fusion. In this work, we investigated the role of mitochondrial dynamics in organismal stress response. By using C. elegans as a genetic model, we could visualize mitochondrial morphology in a live organism with well‐established stress assays and well‐characterized stress response pathways. We found that disrupting mitochondrial fission (DRP1/drp‐1) or fusion (OPA1/eat‐3, MFN/fzo‐1) genes caused alterations in mitochondrial morphology that impacted both mitochondrial function and physiologic rates. While both mitochondrial fission and mitochondrial fusion mutants showed increased sensitivity to osmotic stress and anoxia, surprisingly we found that the mitochondrial fusion mutants eat‐3 and fzo‐1 are more resistant to both heat stress and oxidative stress. In exploring the mechanism of increased stress resistance, we found that disruption of mitochondrial fusion genes resulted in the upregulation of multiple stress response pathways. Overall, this work demonstrates that disrupting mitochondrial dynamics can have opposite effects on resistance to different types of stress. Our results suggest that disruption of mitochondrial fusion activates multiple stress response pathways that enhance resistance to specific stresses.
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Affiliation(s)
- Emily Machiela
- Laboratory of Aging and Neurodegenerative Disease, Center for Neurodegenerative Science, Van Andel Research Institute, Grand Rapids, MI, USA
| | - Thomas Liontis
- Department of Neurology and Neurosurgery, McGill University, Montreal, QC, Canada.,Metabolic Disorders and Complications Program, and Brain Repair and Integrative Neuroscience Program, Research Institute of the McGill University Health Centre, Montreal, QC, Canada
| | - Dylan J Dues
- Laboratory of Aging and Neurodegenerative Disease, Center for Neurodegenerative Science, Van Andel Research Institute, Grand Rapids, MI, USA
| | - Paige D Rudich
- Department of Neurology and Neurosurgery, McGill University, Montreal, QC, Canada.,Metabolic Disorders and Complications Program, and Brain Repair and Integrative Neuroscience Program, Research Institute of the McGill University Health Centre, Montreal, QC, Canada
| | - Annika Traa
- Department of Neurology and Neurosurgery, McGill University, Montreal, QC, Canada.,Metabolic Disorders and Complications Program, and Brain Repair and Integrative Neuroscience Program, Research Institute of the McGill University Health Centre, Montreal, QC, Canada
| | - Leslie Wyman
- Laboratory of Aging and Neurodegenerative Disease, Center for Neurodegenerative Science, Van Andel Research Institute, Grand Rapids, MI, USA
| | - Corah Kaufman
- Laboratory of Aging and Neurodegenerative Disease, Center for Neurodegenerative Science, Van Andel Research Institute, Grand Rapids, MI, USA
| | - Jason F Cooper
- Laboratory of Aging and Neurodegenerative Disease, Center for Neurodegenerative Science, Van Andel Research Institute, Grand Rapids, MI, USA
| | - Leira Lew
- Laboratory of Aging and Neurodegenerative Disease, Center for Neurodegenerative Science, Van Andel Research Institute, Grand Rapids, MI, USA
| | | | - Megan M Senchuk
- Laboratory of Aging and Neurodegenerative Disease, Center for Neurodegenerative Science, Van Andel Research Institute, Grand Rapids, MI, USA
| | - Jeremy M Van Raamsdonk
- Laboratory of Aging and Neurodegenerative Disease, Center for Neurodegenerative Science, Van Andel Research Institute, Grand Rapids, MI, USA.,Department of Neurology and Neurosurgery, McGill University, Montreal, QC, Canada.,Metabolic Disorders and Complications Program, and Brain Repair and Integrative Neuroscience Program, Research Institute of the McGill University Health Centre, Montreal, QC, Canada.,Department of Genetics, Harvard Medical School, Boston, MA, USA.,Division of Experimental Medicine, Department of Medicine, McGill University, Montreal, QC, Canada
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26
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DAF-16/FoxO in Caenorhabditis elegans and Its Role in Metabolic Remodeling. Cells 2020; 9:cells9010109. [PMID: 31906434 PMCID: PMC7017163 DOI: 10.3390/cells9010109] [Citation(s) in RCA: 88] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2019] [Revised: 12/30/2019] [Accepted: 12/31/2019] [Indexed: 12/31/2022] Open
Abstract
DAF-16, the only forkhead box transcription factors class O (FoxO) homolog in Caenorhabditis elegans, integrates signals from upstream pathways to elicit transcriptional changes in many genes involved in aging, development, stress, metabolism, and immunity. The major regulator of DAF-16 activity is the insulin/insulin-like growth factor 1 (IGF-1) signaling (IIS) pathway, reduction of which leads to lifespan extension in worms, flies, mice, and humans. In C. elegans daf-2 mutants, reduced IIS leads to a heterochronic activation of a dauer survival program during adulthood. This program includes elevated antioxidant defense and a metabolic shift toward accumulation of carbohydrates (i.e., trehalose and glycogen) and triglycerides, and activation of the glyoxylate shunt, which could allow fat-to-carbohydrate conversion. The longevity of daf-2 mutants seems to be partially supported by endogenous trehalose, a nonreducing disaccharide that mammals cannot synthesize, which points toward considerable differences in downstream mechanisms by which IIS regulates aging in distinct groups.
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27
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Miller DL. There Are Worms in My Aging Research! J Gerontol A Biol Sci Med Sci 2019; 74:1170-1172. [PMID: 31056635 DOI: 10.1093/gerona/glz106] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2019] [Indexed: 11/13/2022] Open
Affiliation(s)
- Dana L Miller
- Department of Biochemistry, University of Washington School of Medicine, Seattle
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