1
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Ristyadi D, He XZ, Wang Q. Resource allocation strategies for survival and reproduction by an invasive pest in response to intermittent fasting. Curr Zool 2023; 69:600-606. [PMID: 37637313 PMCID: PMC10449421 DOI: 10.1093/cz/zoac068] [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: 06/03/2022] [Accepted: 08/24/2022] [Indexed: 08/29/2023] Open
Abstract
Intermittent fasting (IF) is a type of dietary restriction that involves fasting periods in intervals, which has been used as a strategy to improve health and extend longevity. Regular fasting is common during the process of biological invasions in nature. Yet, it is not clear how invasive animals adjust their resource allocations to survival and reproduction when periodical starvation occurs. Here, we used Tetranychus ludeni, a haplodiploid spider mite and an important invasive pest of horticultural crops around the world, to investigate the effects of IF on its life history strategies. We show that IF increased the longevity in females but not in males probably because of differences in resource storage, metabolic rate, and mating cost between sexes. In response to IF, females traded off fecundity and egg size but not the number of daughters for longevity gain, suggesting that T. ludeni females can adjust their life history strategies for population survival and growth during invasion process. Eggs produced by fasted females realized the same hatch rate and resultant young had the same survival rate as those by unfasted ones. In addition, IF had transgenerational maternal effects which prolonged offspring development period. We suggest that the longer immature developmental period can increase the body size of resulting adults, compensating egg size loss for offspring fitness. Our findings provide insight into resource allocations as responses to fasting, knowledge of which can be used for evaluation of pest invasions and for management of animal survival and reproduction by dietary regulations.
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Affiliation(s)
- Dwi Ristyadi
- School of Agriculture and Environment, Massey University, Private Bag 11222, Palmerston North, New Zealand
- Agriculture Faculty, Jambi University, Km 15 Mendalo Darat 36361, Jambi, Indonesia
| | - Xiong Z He
- School of Agriculture and Environment, Massey University, Private Bag 11222, Palmerston North, New Zealand
| | - Qiao Wang
- School of Agriculture and Environment, Massey University, Private Bag 11222, Palmerston North, New Zealand
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2
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Mc Auley MT. An evolutionary perspective of lifespan and epigenetic inheritance. Exp Gerontol 2023; 179:112256. [PMID: 37460026 DOI: 10.1016/j.exger.2023.112256] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2023] [Revised: 07/04/2023] [Accepted: 07/12/2023] [Indexed: 07/21/2023]
Abstract
In the last decade epigenetics has come to the fore as a discipline which is central to biogerontology. Age associated epigenetic changes are routinely linked with pathologies, including cardiovascular disease, cancer, and Alzheimer's disease; moreover, epigenetic clocks are capable of correlating biological age with chronological age in many species including humans. Recent intriguing empirical observations also suggest that inherited epigenetic effects could influence lifespan/longevity in a variety of organisms. If this is the case, an imperative exists to reconcile lifespan/longevity associated inherited epigenetic processes with the evolution of ageing. This review will critically evaluate inherited epigenetic effects from an evolutionary perspective. The overarching aim is to integrate the evidence which suggests epigenetic inheritance modulates lifespan/longevity with the main evolutionary theories of ageing.
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3
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Ivimey-Cook ER, Murray DS, de Coriolis JC, Edden N, Immler S, Maklakov AA. Fasting increases investment in soma upon refeeding at the cost of gamete quality in zebrafish. Proc Biol Sci 2023; 290:20221556. [PMID: 37040805 PMCID: PMC10089719 DOI: 10.1098/rspb.2022.1556] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/13/2023] Open
Abstract
Fasting increases lifespan in invertebrates, improves biomarkers of health in vertebrates and is increasingly proposed as a promising route to improve human health. Nevertheless, little is known about how fasted animals use resources upon refeeding, and how such decisions affect putative trade-offs between somatic growth and repair, reproduction and gamete quality. Such fasting-induced trade-offs are based on strong theoretical foundations and have been recently discovered in invertebrates, but the data on vertebrates are lacking. Here, we report that fasted female zebrafish, Danio rerio, increase investment in soma upon refeeding, but it comes at a cost of egg quality. Specifically, an increase in fin regrowth was accompanied by a reduction in 24 h post-fertilization offspring survival. Refed males showed a reduction in sperm velocity and impaired 24 h post-fertilization offspring survival. These findings underscore the necessity of considering the impact on reproduction when assessing evolutionary and biomedical implications of lifespan-extending treatments in females and males and call for careful evaluation of the effects of intermittent fasting on fertilization.
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Affiliation(s)
- Edward R Ivimey-Cook
- School of Biological Sciences, University of East Anglia, Norfolk NR4 7TJ, UK
- Institute of Biodiversity, Animal Health and Comparative Medicine, University of Glasgow, Glasgow, UK
| | - David S Murray
- Collaborative Centre for Sustainable Use of the Seas (CCSUS), School of Environmental Sciences, University of East Anglia, Norfolk NR4 7TJ, UK
- The Centre for Environment, Fisheries and Aquaculture Science (Cefas), Lowestoft, Suffolk NR33 0HT, UK
| | | | - Nathan Edden
- School of Biological Sciences, University of East Anglia, Norfolk NR4 7TJ, UK
| | - Simone Immler
- School of Biological Sciences, University of East Anglia, Norfolk NR4 7TJ, UK
| | - Alexei A Maklakov
- School of Biological Sciences, University of East Anglia, Norfolk NR4 7TJ, UK
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4
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Effects of Parental Dietary Restriction on Offspring Fitness in Drosophila melanogaster. Nutrients 2023; 15:nu15051273. [PMID: 36904272 PMCID: PMC10005678 DOI: 10.3390/nu15051273] [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: 01/06/2023] [Revised: 02/18/2023] [Accepted: 03/02/2023] [Indexed: 03/08/2023] Open
Abstract
Dietary restriction (DR) is a well-established strategy to increase lifespan and stress resistance in many eukaryotic species. In addition, individuals fed a restricted diet typically reduce or completely shut down reproduction compared to individuals fed a full diet. Although the parental environment can lead to changes epigenetically in offspring gene expression, little is known about the role of the parental (F0) diet on the fitness of their offspring (F1). This study investigated the lifespan, stress resistance, development, body weight, fecundity, and feeding rate in offspring from parental flies exposed to a full or restricted diet. The offspring flies of the parental DR showed increases in body weight, resistance to various stressors, and lifespan, but the development and fecundity were unaffected. Interestingly, parental DR reduced the feeding rate of their offspring. This study suggests that the effect of DR can extend beyond the exposed individual to their offspring, and it should be considered in both theoretical and empirical studies of senescence.
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5
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Nutrition Strategies Promoting Healthy Aging: From Improvement of Cardiovascular and Brain Health to Prevention of Age-Associated Diseases. Nutrients 2022; 15:nu15010047. [PMID: 36615705 PMCID: PMC9824801 DOI: 10.3390/nu15010047] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Revised: 12/19/2022] [Accepted: 12/21/2022] [Indexed: 12/24/2022] Open
Abstract
BACKGROUND An increasing number of studies suggest that diet plays an important role in regulating aging processes and modulates the development of the most important age-related diseases. OBJECTIVE The aim of this review is to provide an overview of the relationship between nutrition and critical age-associated diseases. METHODS A literature review was conducted to survey recent pre-clinical and clinical findings related to the role of nutritional factors in modulation of fundamental cellular and molecular mechanisms of aging and their role in prevention of the genesis of the diseases of aging. RESULTS Studies show that the development of cardiovascular and cerebrovascular diseases, neurodegenerative diseases, cognitive impairment and dementia can be slowed down or prevented by certain diets with anti-aging action. The protective effects of diets, at least in part, may be mediated by their beneficial macro- (protein, fat, carbohydrate) and micronutrient (vitamins, minerals) composition. CONCLUSIONS Certain diets, such as the Mediterranean diet, may play a significant role in healthy aging by preventing the onset of certain diseases and by improving the aging process itself. This latter can be strengthened by incorporating fasting elements into the diet. As dietary recommendations change with age, this should be taken into consideration as well, when developing a diet tailored to the needs of elderly individuals. Future and ongoing clinical studies on complex anti-aging dietary interventions translating the results of preclinical investigations are expected to lead to novel nutritional guidelines for older adults in the near future.
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6
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Wang Y, Guo K, Wang Q, Zhong G, Zhang W, Jiang Y, Mao X, Li X, Huang Z. Caenorhabditis elegans as an emerging model in food and nutrition research: importance of standardizing base diet. Crit Rev Food Sci Nutr 2022; 64:3167-3185. [PMID: 36200941 DOI: 10.1080/10408398.2022.2130875] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
As a model organism that has helped revolutionize life sciences, Caenorhabditis elegans has been increasingly used in nutrition research. Here we explore the tradeoffs between pros and cons of its use as a dietary model based primarily on literature review from the past decade. We first provide an overview of its experimental strengths as an animal model, focusing on lifespan and healthspan, behavioral and physiological phenotypes, and conservation of key nutritional pathways. We then summarize recent advances of its use in nutritional studies, e.g. food preference and feeding behavior, sugar status and metabolic reprogramming, lifetime and transgenerational nutrition tracking, and diet-microbiota-host interactions, highlighting cutting-edge technologies originated from or developed in C. elegans. We further review current challenges of using C. elegans as a nutritional model, followed by in-depth discussions on potential solutions. In particular, growth scales and throughputs, food uptake mode, and axenic culture of C. elegans are appraised in the context of food research. We also provide perspectives for future development of chemically defined nematode food ("NemaFood") for C. elegans, which is now widely accepted as a versatile and affordable in vivo model and has begun to show transformative potential to pioneer nutrition science.
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Affiliation(s)
- Yuqing Wang
- Institute for Food Nutrition and Human Health, School of Food Science and Engineering, South China University of Technology, Guangzhou, China
- Guangdong Province Key Laboratory for Biocosmetics, Guangzhou, China
| | - Kaixin Guo
- Institute for Food Nutrition and Human Health, School of Food Science and Engineering, South China University of Technology, Guangzhou, China
- The First Affiliated Hospital of Shenzhen University, Shenzhen, China
| | - Qiangqiang Wang
- Institute for Food Nutrition and Human Health, School of Food Science and Engineering, South China University of Technology, Guangzhou, China
- Guangdong Province Key Laboratory for Biocosmetics, Guangzhou, China
| | - Guohuan Zhong
- Institute for Food Nutrition and Human Health, School of Food Science and Engineering, South China University of Technology, Guangzhou, China
- Center for Bioresources and Drug Discovery, School of Biosciences and Biopharmaceutics, Guangdong Pharmaceutical University, Guangzhou, China
| | - Wenjun Zhang
- Center for Bioresources and Drug Discovery, School of Biosciences and Biopharmaceutics, Guangdong Pharmaceutical University, Guangzhou, China
| | - Yiyi Jiang
- Guangdong Province Key Laboratory for Biocosmetics, Guangzhou, China
- Perfect Life & Health Institute, Zhongshan, Guangdong, China
| | - Xinliang Mao
- Guangdong Province Key Laboratory for Biocosmetics, Guangzhou, China
- Perfect Life & Health Institute, Zhongshan, Guangdong, China
| | - Xiaomin Li
- Guangdong Province Key Laboratory for Biocosmetics, Guangzhou, China
- Perfect Life & Health Institute, Zhongshan, Guangdong, China
| | - Zebo Huang
- Institute for Food Nutrition and Human Health, School of Food Science and Engineering, South China University of Technology, Guangzhou, China
- Guangdong Province Key Laboratory for Biocosmetics, Guangzhou, China
- Center for Bioresources and Drug Discovery, School of Biosciences and Biopharmaceutics, Guangdong Pharmaceutical University, Guangzhou, China
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7
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Sekajova Z, Rosa E, Spagopoulou F, Zervakis P, Lind MI. Temperature‐induced compensatory growth in the nematode
C. elegans
is regulated by a thermosensitive
TRP
channel and influences reproductive rate. Funct Ecol 2022. [DOI: 10.1111/1365-2435.14116] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Zuzana Sekajova
- Animal Ecology, Department of Ecology and Genetics Uppsala University 752 36 Uppsala Sweden
| | - Elena Rosa
- Animal Ecology, Department of Ecology and Genetics Uppsala University 752 36 Uppsala Sweden
| | - Foteini Spagopoulou
- Animal Ecology, Department of Ecology and Genetics Uppsala University 752 36 Uppsala Sweden
| | | | - Martin I. Lind
- Animal Ecology, Department of Ecology and Genetics Uppsala University 752 36 Uppsala Sweden
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8
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Camilleri T, Piper MDW, Robker RL, Dowling DK. Maternal and paternal sugar consumption interact to modify offspring life history and physiology. Funct Ecol 2022. [DOI: 10.1111/1365-2435.14024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Affiliation(s)
| | | | - Rebecca L. Robker
- School of Biomedicine Robinson Research Institute The University of Adelaide Adelaide SA Australia
- School of Biomedical Sciences Monash University Clayton VIC Australia
| | - Damian K. Dowling
- School of Biological Sciences Monash University Clayton VIC Australia
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9
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Ivimey-Cook ER, Sales K, Carlsson H, Immler S, Chapman T, Maklakov AA. Transgenerational fitness effects of lifespan extension by dietary restriction in Caenorhabditis elegans. Proc Biol Sci 2021; 288:20210701. [PMID: 33975472 PMCID: PMC8113902 DOI: 10.1098/rspb.2021.0701] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2021] [Accepted: 04/15/2021] [Indexed: 12/28/2022] Open
Abstract
Dietary restriction (DR) increases lifespan in a broad variety of organisms and improves health in humans. However, long-term transgenerational consequences of dietary interventions are poorly understood. Here, we investigated the effect of DR by temporary fasting (TF) on mortality risk, age-specific reproduction and fitness across three generations of descendants in Caenorhabditis elegans. We show that while TF robustly reduces mortality risk and improves late-life reproduction of the individuals subject to TF (P0), it has a wide range of both positive and negative effects on their descendants (F1-F3). Remarkably, great-grandparental exposure to TF in early life reduces fitness and increases mortality risk of F3 descendants to such an extent that TF no longer promotes a lifespan extension. These findings reveal that transgenerational trade-offs accompany the instant benefits of DR, underscoring the need to consider fitness of future generations in pursuit of healthy ageing.
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Affiliation(s)
- Edward R. Ivimey-Cook
- School of Biological Sciences, University of East Anglia, Norwich Research Park, Norwich NR4 7TU, UK
| | - Kris Sales
- School of Biological Sciences, University of East Anglia, Norwich Research Park, Norwich NR4 7TU, UK
| | - Hanne Carlsson
- School of Biological Sciences, University of East Anglia, Norwich Research Park, Norwich NR4 7TU, UK
| | - Simone Immler
- School of Biological Sciences, University of East Anglia, Norwich Research Park, Norwich NR4 7TU, UK
| | - Tracey Chapman
- School of Biological Sciences, University of East Anglia, Norwich Research Park, Norwich NR4 7TU, UK
| | - Alexei A. Maklakov
- School of Biological Sciences, University of East Anglia, Norwich Research Park, Norwich NR4 7TU, UK
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10
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Stångberg J, Immonen E, Moreno PP, Bolund E. Experimentally induced intrasexual mating competition and sex-specific evolution in female and male nematodes. J Evol Biol 2020; 33:1677-1688. [PMID: 32945028 PMCID: PMC7756511 DOI: 10.1111/jeb.13706] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2020] [Revised: 08/28/2020] [Accepted: 09/04/2020] [Indexed: 01/01/2023]
Abstract
Sexual dimorphism in life history traits and their trade-offs is widespread among sexually reproducing animals and is strongly influenced by the differences in reproductive strategies between the sexes. We investigated how intrasexual competition influenced specific life history traits, important to fitness and their trade-offs in the outcrossing nematode Caenorhabditis remanei. Here, we altered the strength of sex-specific selection through experimental evolution with increased potential for intrasexual competition by skewing the adult sex ratio towards either females or males (1:10 or 10:1) over 30 generations and subsequently measured the phenotypic response to selection in three traits related to fitness: body size, fecundity and tolerance to heat stress. We observed a greater evolutionary change in females than males for body size and peak fitness, suggesting that females may experience stronger net selection and potentially harbour higher amounts of standing genetic variance compared to males. Our study highlights the importance of investigating direct and indirect effects of intrasexual competition in both sexes in order to capture sex-specific responses and understand the evolution of sexual dimorphism in traits expressed by both sexes.
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Affiliation(s)
- Josefine Stångberg
- Department of Ecology and Genetics, Animal Ecology, Uppsala University, Uppsala, Sweden
| | - Elina Immonen
- Department of Ecology and Genetics, Evolutionary Biology, Uppsala University, Uppsala, Sweden
| | - Pilar Puimedon Moreno
- Department of Ecology and Genetics, Animal Ecology, Uppsala University, Uppsala, Sweden
| | - Elisabeth Bolund
- Department of Ecology and Genetics, Animal Ecology, Uppsala University, Uppsala, Sweden
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11
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Baugh LR, Day T. Nongenetic inheritance and multigenerational plasticity in the nematode C. elegans. eLife 2020; 9:e58498. [PMID: 32840479 PMCID: PMC7447421 DOI: 10.7554/elife.58498] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2020] [Accepted: 08/13/2020] [Indexed: 02/07/2023] Open
Abstract
A rapidly growing body of literature in several organisms suggests that environmentally-induced adaptive changes in phenotype can be transmitted across multiple generations. Although within-generation plasticity has been well documented, multigenerational plasticity represents a significant departure from conventional evolutionary thought. Studies of C. elegans have been particularly influential because this species exhibits extensive phenotypic plasticity, it is often essentially isogenic, and it has well-documented molecular and cellular mechanisms through which nongenetic inheritance occurs. However, while experimentalists are eager to claim that nongenetic modes of inheritance characterized in this and other model systems enhance fitness, many biologists remain skeptical given the extraordinary nature of this claim. We establish three criteria to evaluate how compelling the evidence for adaptive multigenerational plasticity is, and we use these criteria to critically examine putative cases of it in C. elegans. We conclude by suggesting potentially fruitful avenues for future research.
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Affiliation(s)
- L Ryan Baugh
- Department of Biology, Center for Genomics and Computational Biology, Duke UniversityDurhamUnited States
| | - Troy Day
- Departments of Mathematics and Statistics, Department of Biology, Queens UniversityKingstonCanada
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12
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Yen K, Mehta HH, Kim SJ, Lue Y, Hoang J, Guerrero N, Port J, Bi Q, Navarrete G, Brandhorst S, Lewis KN, Wan J, Swerdloff R, Mattison JA, Buffenstein R, Breton CV, Wang C, Longo V, Atzmon G, Wallace D, Barzilai N, Cohen P. The mitochondrial derived peptide humanin is a regulator of lifespan and healthspan. Aging (Albany NY) 2020; 12:11185-11199. [PMID: 32575074 PMCID: PMC7343442 DOI: 10.18632/aging.103534] [Citation(s) in RCA: 60] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2020] [Accepted: 06/11/2020] [Indexed: 12/19/2022]
Abstract
Humanin is a member of a new family of peptides that are encoded by short open reading frames within the mitochondrial genome. It is conserved in animals and is both neuroprotective and cytoprotective. Here we report that in C. elegans the overexpression of humanin is sufficient to increase lifespan, dependent on daf-16/Foxo. Humanin transgenic mice have many phenotypes that overlap with the worm phenotypes and, similar to exogenous humanin treatment, have increased protection against toxic insults. Treating middle-aged mice twice weekly with the potent humanin analogue HNG, humanin improves metabolic healthspan parameters and reduces inflammatory markers. In multiple species, humanin levels generally decline with age, but here we show that levels are surprisingly stable in the naked mole-rat, a model of negligible senescence. Furthermore, in children of centenarians, who are more likely to become centenarians themselves, circulating humanin levels are much greater than age-matched control subjects. Further linking humanin to healthspan, we observe that humanin levels are decreased in human diseases such as Alzheimer's disease and MELAS (Mitochondrial Encephalopathy, Lactic Acidosis, and Stroke-like episodes). Together, these studies are the first to demonstrate that humanin is linked to improved healthspan and increased lifespan.
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Affiliation(s)
- Kelvin Yen
- Leonard Davis School of Gerontology, University of Southern California, Los Angeles, CA 90089, USA
| | - Hemal H. Mehta
- Leonard Davis School of Gerontology, University of Southern California, Los Angeles, CA 90089, USA
| | - Su-Jeong Kim
- Leonard Davis School of Gerontology, University of Southern California, Los Angeles, CA 90089, USA
| | - YanHe Lue
- Department of Medicine, The Lundquist Institute at Harbor-UCLA Medical Center, Torrance, CA 90502, USA
| | - James Hoang
- Department of Medicine, The Lundquist Institute at Harbor-UCLA Medical Center, Torrance, CA 90502, USA
| | - Noel Guerrero
- Leonard Davis School of Gerontology, University of Southern California, Los Angeles, CA 90089, USA
| | - Jenna Port
- Leonard Davis School of Gerontology, University of Southern California, Los Angeles, CA 90089, USA
| | - Qiuli Bi
- Leonard Davis School of Gerontology, University of Southern California, Los Angeles, CA 90089, USA
| | - Gerardo Navarrete
- Leonard Davis School of Gerontology, University of Southern California, Los Angeles, CA 90089, USA
| | - Sebastian Brandhorst
- Leonard Davis School of Gerontology, University of Southern California, Los Angeles, CA 90089, USA
| | - Kaitlyn Noel Lewis
- Department of Physiology, The Barshop Institute, University of Texas Health at San Antonio, TX 78229, USA
| | - Junxiang Wan
- Leonard Davis School of Gerontology, University of Southern California, Los Angeles, CA 90089, USA
| | - Ronald Swerdloff
- Department of Medicine, The Lundquist Institute at Harbor-UCLA Medical Center, Torrance, CA 90502, USA
| | - Julie A. Mattison
- Translational Gerontology Branch, National Institute on Aging, Dickerson, MD 20892, USA
| | - Rochelle Buffenstein
- Department of Physiology, The Barshop Institute, University of Texas Health at San Antonio, TX 78229, USA
- Calico Life Sciences, South San Francisco, CA 94080, USA
| | - Carrie V. Breton
- Department of Preventive Medicine, Keck School of Medicine, USC, Los Angeles, CA 90089, USA
| | - Christina Wang
- Department of Medicine, The Lundquist Institute at Harbor-UCLA Medical Center, Torrance, CA 90502, USA
| | - Valter Longo
- Leonard Davis School of Gerontology, University of Southern California, Los Angeles, CA 90089, USA
| | - Gil Atzmon
- Department of Medicine, Albert Einstein College of Medicine, Bronx, NY 10461, USA
- Department of Human Biology, Faculty of Natural Science, University of Haifa, Haifa, Israel
| | - Douglas Wallace
- Center for Mitochondrial and Epigenomic Medicine, Children’s Hospital of Philadelphia, Department of Pediatrics, Division of Human Genetics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Nir Barzilai
- Department of Medicine, Albert Einstein College of Medicine, Bronx, NY 10461, USA
| | - Pinchas Cohen
- Leonard Davis School of Gerontology, University of Southern California, Los Angeles, CA 90089, USA
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