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Pilley SE, Awad D, Latumalea D, Esparza E, Zhang L, Shi X, Unfried M, Wang S, Mulondo R, Kashyap SB, Moaddeli D, Sajjakulnukit P, Sutton D, Wong H, Coakley AJ, Garcia G, Higuchi-Sanabria R, Liu S, Yu B, Tu WB, Kennedy BK, Lyssiotis CA, Mullen PJ. A metabolic atlas of mouse aging. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.05.04.592445. [PMID: 38746230 PMCID: PMC11092783 DOI: 10.1101/2024.05.04.592445] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/16/2024]
Abstract
Humans are living longer, but this is accompanied by an increased incidence of age-related chronic diseases. Many of these diseases are influenced by age-associated metabolic dysregulation, but how metabolism changes in multiple organs during aging in males and females is not known. Answering this could reveal new mechanisms of aging and age-targeted therapeutics. In this study, we describe how metabolism changes in 12 organs in male and female mice at 5 different ages. Organs show distinct patterns of metabolic aging that are affected by sex differently. Hydroxyproline shows the most consistent change across the dataset, decreasing with age in 11 out of 12 organs investigated. We also developed a metabolic aging clock that predicts biological age and identified alpha-ketoglutarate, previously shown to extend lifespan in mice, as a key predictor of age. Our results reveal fundamental insights into the aging process and identify new therapeutic targets to maintain organ health.
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Lail H, Mabb AM, Parent MB, Pinheiro F, Wanders D. Effects of Dietary Methionine Restriction on Cognition in Mice. Nutrients 2023; 15:4950. [PMID: 38068808 PMCID: PMC10707861 DOI: 10.3390/nu15234950] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2023] [Revised: 11/16/2023] [Accepted: 11/22/2023] [Indexed: 12/18/2023] Open
Abstract
Dietary restriction of the essential amino acid, methionine, has been shown to induce unique metabolic protection. The peripheral benefits of methionine restriction (MR) are well established and include improvements in metabolic, energy, inflammatory, and lifespan parameters in preclinical models. These benefits all occur despite MR increasing energy intake, making MR an attractive dietary intervention for the prevention or reversal of many metabolic and chronic conditions. New and emerging evidence suggests that MR also benefits the brain and promotes cognitive health. Despite widespread interest in MR over the past few decades, many findings are limited in scope, and gaps remain in our understanding of its comprehensive effects on the brain and cognition. This review details the current literature investigating the impact of MR on cognition in various mouse models, highlights some of the key mechanisms responsible for its cognitive benefits, and identifies gaps that should be addressed in MR research moving forward. Overall findings indicate that in animal models, MR is associated with protection against obesity-, age-, and Alzheimer's disease-induced impairments in learning and memory that depend on different brain regions, including the prefrontal cortex, amygdala, and hippocampus. These benefits are likely mediated by increases in fibroblast growth factor 21, alterations in methionine metabolism pathways, reductions in neuroinflammation and central oxidative stress, and potentially alterations in the gut microbiome, mitochondrial function, and synaptic plasticity.
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Affiliation(s)
- Hannah Lail
- Department of Nutrition, Georgia State University, 140 Decatur St SE, Atlanta, GA 30303, USA; (H.L.); (F.P.)
- Department of Chemistry, Georgia State University, 100 Piedmont Ave., Atlanta, GA 30303, USA
| | - Angela M. Mabb
- Neuroscience Institute, Georgia State University, 100 Piedmont Ave., Atlanta, GA 30302, USA; (A.M.M.); (M.B.P.)
- Center for Behavioral Neuroscience, Georgia State University, Atlanta, GA 30302, USA
| | - Marise B. Parent
- Neuroscience Institute, Georgia State University, 100 Piedmont Ave., Atlanta, GA 30302, USA; (A.M.M.); (M.B.P.)
- Department of Psychology, Georgia State University, 140 Decatur St SE, Atlanta, GA 30303, USA
| | - Filipe Pinheiro
- Department of Nutrition, Georgia State University, 140 Decatur St SE, Atlanta, GA 30303, USA; (H.L.); (F.P.)
- Faculty of Medicine, University of Porto, Alameda Prof. Hernâni Monteiro, 4200-319 Porto, Portugal
| | - Desiree Wanders
- Department of Nutrition, Georgia State University, 140 Decatur St SE, Atlanta, GA 30303, USA; (H.L.); (F.P.)
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Cooke D, Ables GP. Physical activity of mice on dietary sulfur amino acid restriction is influenced by age of diet initiation and biological sex. Sci Rep 2023; 13:20609. [PMID: 37996548 PMCID: PMC10667228 DOI: 10.1038/s41598-023-47676-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Accepted: 11/16/2023] [Indexed: 11/25/2023] Open
Abstract
Sulfur amino acid restriction (SAAR)-the reduction of methionine and cysteine concentrations either in the diet or by genetic manipulation-promotes health span and extends lifespan, but its effects on physical activity remain unclear. We investigated whether age of diet initiation and biological sex could influence physical activity in mice fed either a control diet (CF, 0.86% methionine w/w) or SAAR (0.12% methionine w/w). Quadriceps femoris muscle mass is smaller in SAAR than in CF mice. Young mice fed a chronic SAAR diet at 8 weeks of age exhibited improved wire hang and running wheel activities compared to young CF mice, while aged mice showed comparable results. The effects of chronic SAAR on physical activity was mildly influenced by sex as observed in middle-aged male SAAR mice who showed minor improvements than CF males while middle-aged females displayed no discernible effects. Muscle mass is minimally affected by changes in markers of protein synthesis, autophagy and atrophy. Improvements to physical activity in young SAAR mice could be partially attributed to increased skeletal muscle mitochondrial activity. Furthermore, SAAR in C2C12 myotubes increased citrate synthase protein expression and enhanced succinyl dehydrogenase enzyme activity compared to CF myotubes. Overall, our data reveal that SAAR can improve mouse physical activity without compromising muscle proteostasis. This is partially due to enhanced mitochondrial activity, but the effects are influenced by age of diet initiation and sex.
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Affiliation(s)
- Diana Cooke
- Orentreich Foundation for the Advancement of Science, Inc., 855 Route 301, Cold Spring, NY, 10516, USA
| | - Gene P Ables
- Orentreich Foundation for the Advancement of Science, Inc., 855 Route 301, Cold Spring, NY, 10516, USA.
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Munteanu C, Iordan DA, Hoteteu M, Popescu C, Postoiu R, Onu I, Onose G. Mechanistic Intimate Insights into the Role of Hydrogen Sulfide in Alzheimer's Disease: A Recent Systematic Review. Int J Mol Sci 2023; 24:15481. [PMID: 37895161 PMCID: PMC10607039 DOI: 10.3390/ijms242015481] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2023] [Revised: 10/15/2023] [Accepted: 10/21/2023] [Indexed: 10/29/2023] Open
Abstract
In the rapidly evolving field of Alzheimer's Disease (AD) research, the intricate role of Hydrogen Sulfide (H2S) has garnered critical attention for its diverse involvement in both pathological substrates and prospective therapeutic paradigms. While conventional pathophysiological models of AD have primarily emphasized the significance of amyloid-beta (Aβ) deposition and tau protein hyperphosphorylation, this targeted systematic review meticulously aggregates and rigorously appraises seminal contributions from the past year elucidating the complex mechanisms of H2S in AD pathogenesis. Current scholarly literature accentuates H2S's dual role, delineating its regulatory functions in critical cellular processes-such as neurotransmission, inflammation, and oxidative stress homeostasis-while concurrently highlighting its disruptive impact on quintessential AD biomarkers. Moreover, this review illuminates the nuanced mechanistic intimate interactions of H2S in cerebrovascular and cardiovascular pathology associated with AD, thereby exploring avant-garde therapeutic modalities, including sulfurous mineral water inhalations and mud therapy. By emphasizing the potential for therapeutic modulation of H2S via both donors and inhibitors, this review accentuates the imperative for future research endeavors to deepen our understanding, thereby potentially advancing novel diagnostic and therapeutic strategies in AD.
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Affiliation(s)
- Constantin Munteanu
- Faculty of Medical Bioengineering, University of Medicine and Pharmacy “Grigore T. Popa”, 700454 Iași, Romania;
- Teaching Emergency Hospital “Bagdasar-Arseni” (TEHBA), 041915 Bucharest, Romania; (M.H.); (R.P.); (G.O.)
| | - Daniel Andrei Iordan
- Department of Individual Sports and Kinetotherapy, Faculty of Physical Education and Sport, ‘Dunarea de Jos’ University of Galati, 800008 Galati, Romania;
| | - Mihail Hoteteu
- Teaching Emergency Hospital “Bagdasar-Arseni” (TEHBA), 041915 Bucharest, Romania; (M.H.); (R.P.); (G.O.)
| | - Cristina Popescu
- Teaching Emergency Hospital “Bagdasar-Arseni” (TEHBA), 041915 Bucharest, Romania; (M.H.); (R.P.); (G.O.)
- Faculty of Medicine, University of Medicine and Pharmacy “Carol Davila” (UMPCD), 020022 Bucharest, Romania
| | - Ruxandra Postoiu
- Teaching Emergency Hospital “Bagdasar-Arseni” (TEHBA), 041915 Bucharest, Romania; (M.H.); (R.P.); (G.O.)
- Faculty of Medicine, University of Medicine and Pharmacy “Carol Davila” (UMPCD), 020022 Bucharest, Romania
| | - Ilie Onu
- Faculty of Medical Bioengineering, University of Medicine and Pharmacy “Grigore T. Popa”, 700454 Iași, Romania;
| | - Gelu Onose
- Teaching Emergency Hospital “Bagdasar-Arseni” (TEHBA), 041915 Bucharest, Romania; (M.H.); (R.P.); (G.O.)
- Faculty of Medicine, University of Medicine and Pharmacy “Carol Davila” (UMPCD), 020022 Bucharest, Romania
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Thyne KM, Salmon AB. Sexually dimorphic effects of methionine sulfoxide reductase A (MsrA) on murine longevity and health span during methionine restriction. GeroScience 2023; 45:3003-3017. [PMID: 37391679 PMCID: PMC10643651 DOI: 10.1007/s11357-023-00857-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Accepted: 06/17/2023] [Indexed: 07/02/2023] Open
Abstract
Methionine restriction (MR) extends lifespan in various model organisms, and understanding the molecular effectors of MR could expand the repertoire of tools targeting the aging process. Here, we address to what extent the biochemical pathway responsible for redox metabolism of methionine plays in regulating the effects of MR on lifespan and health span. Aerobic organisms have evolved methionine sulfoxide reductases to counter the oxidation of the thioether group contained in the essential amino acid methionine. Of these enzymes, methionine sulfoxide reductase A (MsrA) is ubiquitously expressed in mammalian tissues and has subcellular localization in both the cytosol and mitochondria. Loss of MsrA increases sensitivity to oxidative stress and has been associated with increased susceptibility to age-associated pathologies including metabolic dysfunction. We rationalized that limiting the available methionine with MR may place increased importance on methionine redox pathways, and that MsrA may be required to maintain available methionine for its critical uses in cellular homeostasis including protein synthesis, metabolism, and methylation. Using a genetic mutant mouse lacking MsrA, we tested the requirement for this enzyme in the effects of MR on longevity and markers of healthy aging late in life. When initiated in adulthood, we found that MR had minimal effects in males and females regardless of MsrA status. MR had minimal effect on lifespan with the exception of wild-type males where loss of MsrA slightly increased lifespan on MR. We also observed that MR drove an increase in body weight in wild-type mice only, but mice lacking MsrA tended to maintain more stable body weight throughout their lives. We also found that MR had greater benefit to males than females in terms of glucose metabolism and some functional health span assessments, but MsrA generally had minimal impact on these metrics. Frailty was also found to be unaffected by MR or MsrA in aged animals. We found that in general, MsrA was not required for the beneficial effects of MR on longevity and health span.
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Affiliation(s)
- Kevin M Thyne
- Sam and Ann Barshop Institute for Longevity and Aging Studies, University of Texas Health San Antonio, San Antonio, TX, 78229, USA
| | - Adam B Salmon
- Sam and Ann Barshop Institute for Longevity and Aging Studies, University of Texas Health San Antonio, San Antonio, TX, 78229, USA.
- Department of Molecular Medicine, University of Texas Health San Antonio, San Antonio, TX, 78229, USA.
- Geriatric Research Education and Clinical Center, Audie L. Murphy Hospital, South Texas Veterans Health Care System, San Antonio, TX, 78229, USA.
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Morehead LC, Garg S, Wallis KF, Simoes CC, Siegel ER, Tackett AJ, Miousse IR. Increased Response to Immune Checkpoint Inhibitors with Dietary Methionine Restriction in a Colorectal Cancer Model. Cancers (Basel) 2023; 15:4467. [PMID: 37760436 PMCID: PMC10526448 DOI: 10.3390/cancers15184467] [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: 08/14/2023] [Revised: 08/31/2023] [Accepted: 09/05/2023] [Indexed: 09/29/2023] Open
Abstract
Dietary methionine restriction (MR), defined as a reduction of methionine intake by around 80%, has been shown to reproducibly decrease tumor growth and synergize with cancer therapies. In this study, we combined DMR with immune checkpoint inhibitors (ICIs) in a model of colon adenocarcinoma. In vitro, we observed that MR increased the expression of MHC-I and PD-L1 in both mouse and human colorectal cancer cells. We also saw an increase in the gene expression of STING, a known inducer of type I interferon signaling. Inhibition of the cGAS-STING pathway, pharmacologically or with siRNA, blunted the increase in MHC-I and PD-L1 surface and gene expression following MR. This indicated that the cGAS-STING pathway, and interferon in general, played a role in the immune response to MR. We then combined dietary MR with ICIs targeting CTLA-4 and PD-1 in an MC38 colorectal cancer tumor model developed in immunocompetent C57BL/6 mice. The combination treatment was five times more effective at reducing the tumor size than ICIs alone in male mice. We noted sex differences in the response to dietary MR, with males showing a greater response than females. Finally, we observed an increase in membrane staining for the PD-L1 protein in MC38 tumors from animals who were fed an MR diet. MHC-I was highly expressed in all tumors and showed no expression difference when comparing tumors from control and MR-treated mice. These results indicated that MR increased PD-L1 expression both in vitro and in vivo and improved the response to ICIs in mice.
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Affiliation(s)
- Lauren C. Morehead
- Department of Biochemistry and Molecular Biology, University of Arkansas for Medical Sciences, Little Rock, AR 72205, USA (S.G.); (A.J.T.)
| | - Sarita Garg
- Department of Biochemistry and Molecular Biology, University of Arkansas for Medical Sciences, Little Rock, AR 72205, USA (S.G.); (A.J.T.)
| | - Katherine F. Wallis
- Department of Biochemistry and Molecular Biology, University of Arkansas for Medical Sciences, Little Rock, AR 72205, USA (S.G.); (A.J.T.)
| | - Camila C. Simoes
- Department of Pathology, University of Arkansas for Medical Sciences, Little Rock, AR 72205, USA;
| | - Eric R. Siegel
- Department of Biostatistics, University of Arkansas for Medical Sciences, Little Rock, AR 72205, USA
| | - Alan J. Tackett
- Department of Biochemistry and Molecular Biology, University of Arkansas for Medical Sciences, Little Rock, AR 72205, USA (S.G.); (A.J.T.)
| | - Isabelle R. Miousse
- Department of Biochemistry and Molecular Biology, University of Arkansas for Medical Sciences, Little Rock, AR 72205, USA (S.G.); (A.J.T.)
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7
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McGilvrey M, Fortier B, Tero B, Cooke D, Cooper E, Walker J, Koza R, Ables G, Liaw L. Effects of dietary methionine restriction on age-related changes in perivascular and beiging adipose tissues in the mouse. Obesity (Silver Spring) 2023; 31:159-170. [PMID: 36513498 PMCID: PMC9780157 DOI: 10.1002/oby.23583] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/01/2022] [Revised: 08/13/2022] [Accepted: 08/19/2022] [Indexed: 12/15/2022]
Abstract
OBJECTIVE Perivascular adipose tissue (PVAT) regulates vascular health. Dietary methionine restriction (MetR) impacts age-related adiposity, and this study addresses its effects in PVAT. METHODS Male C57BL/6 mice at 8, 52, and 102 weeks of age were fed a standard (0.86%) or low-methionine (0.12%) diet for 52 weeks in 8-week-old and 52-week-old mice and for 15 weeks in 102-week-old mice. RESULTS Mice with dietary MetR were resistant to weight gain and maintained a healthy blood profile. Aging increased lipid accumulation, and MetR reversed this phenotype. Notch signaling in inguinal white adipose tissue (iWAT) was decreased by MetR but increased in gonadal white adipose tissue. However, the Notch phenotype of brown adipose tissue (BAT) was not affected by MetR. Uncoupling protein 1 (UCP1) was increased in PVAT, iWAT, and BAT by MetR when initiated in young mice, but this effect was lost in middle-aged mice. CONCLUSIONS Lipid in mouse PVAT peaked at 1 year of age, consistent with peak body mass. MetR reduced body weight, normalized metabolic parameters, and decreased lipid in PVAT in all age cohorts. Mice fed a MetR diet from early maturity to 1 year of age displayed an increased thermogenic adipocyte phenotype in iWAT, PVAT, and BAT, all tissues with thermogenic capacity.
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Affiliation(s)
- Marissa McGilvrey
- Center for Molecular Medicine, MaineHealth Institute for Research
- Graduate School of Biomedical Science and Engineering, University of Maine
| | - Bethany Fortier
- Center for Molecular Medicine, MaineHealth Institute for Research
- Department of Biological Sciences, University of Southern Maine
| | - Benjamin Tero
- Center for Molecular Medicine, MaineHealth Institute for Research
| | - Diana Cooke
- Orentreich Foundation for the Advancement of Science, Inc
| | - Emily Cooper
- Center for Molecular Medicine, MaineHealth Institute for Research
| | - Jeffrey Walker
- Department of Biological Sciences, University of Southern Maine
| | - Robert Koza
- Center for Molecular Medicine, MaineHealth Institute for Research
- Graduate School of Biomedical Science and Engineering, University of Maine
| | - Gene Ables
- Orentreich Foundation for the Advancement of Science, Inc
| | - Lucy Liaw
- Center for Molecular Medicine, MaineHealth Institute for Research
- Department of Biological Sciences, University of Southern Maine
- Graduate School of Biomedical Science and Engineering, University of Maine
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Xi Y, Zhang Y, Zhou Y, Liu Q, Chen X, Liu X, Grune T, Shi L, Hou M, Liu Z. Effects of methionine intake on cognitive function in mild cognitive impairment patients and APP/PS1 Alzheimer's Disease model mice: Role of the cystathionine-β-synthase/H 2S pathway. Redox Biol 2022; 59:102595. [PMID: 36608589 PMCID: PMC9813720 DOI: 10.1016/j.redox.2022.102595] [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: 09/13/2022] [Revised: 12/27/2022] [Accepted: 12/28/2022] [Indexed: 12/31/2022] Open
Abstract
As a dietary intervention, methionine restriction (MR) has been reported to increase longevity and improve metabolism disorders. However, the effects of MR on alleviating neurodegenerative diseases such as Alzheimer's disease (AD) are largely unexplored. Here we sought to investigate the neuroprotective effects of low methionine intake in mild cognitive impairment (MCI) patients and APP/PS1 AD model mice, and to uncover the underlying mechanisms. In a cohort composed of 45 individuals diagnosed with MCI and 61 healthy controls without cognitive impairment, methionine intake was found to be positively associated with the increased risk of MCI, where no sex differences were observed. We further conducted a 16-week MR intervention (0.17% methionine, w/w) on APP/PS1 AD model mice. Although MR reduced Aβ accumulation in the brain of both male and female APP/PS1 mice, MR improved cognitive function only in male mice, as assessed by the Morris water maze test. Consistently, MR restored synapse ultrastructure and alleviated mitochondrial dysfunction by enhancing mitochondrial biogenesis in the brain of male APP/PS1 mice. Importantly, MR effectively balanced the redox status and activated cystathionine-β-synthase (CBS)/H2S pathway in the brain of male APP/PS1 mice. Together, our study indicated that lower dietary methionine intake is associated with improved cognitive function, in which CBS/H2S pathway plays an essential role. MR could be a promising nutritional intervention for preventing AD development.
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Affiliation(s)
- Yujia Xi
- Laboratory of Functional Chemistry and Nutrition of Food, College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Yuyu Zhang
- Laboratory of Functional Chemistry and Nutrition of Food, College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Yiwen Zhou
- School of Public Health, College of Medicine, Shanghai Jiaotong University, Shanghai, 200025, China
| | - Qing Liu
- Laboratory of Functional Chemistry and Nutrition of Food, College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Xuhui Chen
- Department of Neurology, Peking University Shenzhen Hospital, Shenzhen, 518000, China
| | - Xuebo Liu
- Laboratory of Functional Chemistry and Nutrition of Food, College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Tilman Grune
- German Institute of Human Nutrition (DIfE) Potsdam-Rehbruecke, Department of Molecular Toxicology, Arthur-Scheunert-Allee 114-116, 14558, Nuthetal, Germany
| | - Lin Shi
- College of Food Engineering and Nutritional Science, Shaanxi Normal University, Shaanxi, 710119, China.
| | - Min Hou
- School of Public Health, College of Medicine, Shanghai Jiaotong University, Shanghai, 200025, China.
| | - Zhigang Liu
- Laboratory of Functional Chemistry and Nutrition of Food, College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi, 712100, China; German Institute of Human Nutrition (DIfE) Potsdam-Rehbruecke, Department of Molecular Toxicology, Arthur-Scheunert-Allee 114-116, 14558, Nuthetal, Germany; Northwest A&F University, Shenzhen Research Institute, Shenzen, Guangdong, 518000, China.
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The Association between Methionine Intake and Diabetes in Chinese Adults-Results from the China Health and Nutrition Survey. Nutrients 2022; 15:nu15010116. [PMID: 36615773 PMCID: PMC9823418 DOI: 10.3390/nu15010116] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2022] [Revised: 12/21/2022] [Accepted: 12/22/2022] [Indexed: 12/28/2022] Open
Abstract
This study aimed to evaluate the association between methionine intake and diabetes prevalence in Chinese adults and explore whether the association was source-specific. Data from 12,849 adults aged ≥20 years old were used from the China Health and Nutrition Survey during 1997-2011. Diabetes was diagnosed as self-reported and/or when blood tests results met the diagnostic criteria. A 3-day, 24-h recall was used to assess different sources of methionine. Multivariable mixed linear regression was used to examine the associations. Across the quartiles of total methionine intake, the odds ratio (ORs, 95% CI) of diabetes were 1.00, 1.49 (1.21 to 1.82), 1.72 (1.37 to 2.15), and 2.53 (1.97 to 3.23). In the subgroup analysis, similar trends were observed in both animal and plant methionine. There was a significant interaction between urbanization and diabetes. The positive association was only significant in those who lived in low or medium urbanization areas. The ORs (95% CI) were 1.00, 1.27 (0.85 to 1.88), 1.56 (1.01 to 2.39), and 1.79 (1.09 to 2.95) for medium urbanization, respectively. No interaction was identified when stratified by different methionine sources. In conclusion, methionine intake was positively associated with diabetes independent of food source, and it was modified by urbanization levels.
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10
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Protein preference and elevated plasma FGF21 induced by dietary protein restriction is similar in both male and female mice. Physiol Behav 2022; 257:113994. [DOI: 10.1016/j.physbeh.2022.113994] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Revised: 08/23/2022] [Accepted: 10/10/2022] [Indexed: 11/06/2022]
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Nichenametla SN, Mattocks DAL, Cooke D, Midya V, Malloy VL, Mansilla W, Øvrebø B, Turner C, Bastani N, Sokolová J, Pavlíková M, Richie JP, Shoveller A, Refsum H, Olsen T, Vinknes KJ, Kožich V, Ables GP. Cysteine restriction-specific effects of sulfur amino acid restriction on lipid metabolism. Aging Cell 2022; 21:e13739. [PMID: 36403077 PMCID: PMC9741510 DOI: 10.1111/acel.13739] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2022] [Revised: 10/12/2022] [Accepted: 10/21/2022] [Indexed: 11/21/2022] Open
Abstract
Decreasing the dietary intake of methionine exerts robust anti-adiposity effects in rodents but modest effects in humans. Since cysteine can be synthesized from methionine, animal diets are formulated by decreasing methionine and eliminating cysteine. Such diets exert both methionine restriction (MR) and cysteine restriction (CR), that is, sulfur amino acid restriction (SAAR). Contrarily, SAAR diets formulated for human consumption included cysteine, and thus might have exerted only MR. Epidemiological studies positively correlate body adiposity with plasma cysteine but not methionine, suggesting that CR, but not MR, is responsible for the anti-adiposity effects of SAAR. Whether this is true, and, if so, the underlying mechanisms are unknown. Using methionine- and cysteine-titrated diets, we demonstrate that the anti-adiposity effects of SAAR are due to CR. Data indicate that CR increases serinogenesis (serine biosynthesis from non-glucose substrates) by diverting substrates from glyceroneogenesis, which is essential for fatty acid reesterification and triglyceride synthesis. Molecular data suggest that CR depletes hepatic glutathione and induces Nrf2 and its downstream targets Phgdh (the serine biosynthetic enzyme) and Pepck-M. In mice, the magnitude of SAAR-induced changes in molecular markers depended on dietary fat concentration (60% fat >10% fat), sex (males > females), and age-at-onset (young > adult). Our findings are translationally relevant as we found negative and positive correlations of plasma serine and cysteine, respectively, with triglycerides and metabolic syndrome criteria in a cross-sectional epidemiological study. Controlled feeding of low-SAA, high-polyunsaturated fatty acid diets increased plasma serine in humans. Serinogenesis might be a target for treating hypertriglyceridemia.
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Affiliation(s)
- Sailendra N. Nichenametla
- Animal Science LaboratoryOrentreich Foundation for the Advancement of ScienceCold Spring‐on‐HudsonNew YorkUSA
| | - Dwight A. L. Mattocks
- Animal Science LaboratoryOrentreich Foundation for the Advancement of ScienceCold Spring‐on‐HudsonNew YorkUSA
| | - Diana Cooke
- Animal Science LaboratoryOrentreich Foundation for the Advancement of ScienceCold Spring‐on‐HudsonNew YorkUSA
| | - Vishal Midya
- Department of Environmental Medicine and Public HealthIcahn School of Medicine at Mount SinaiNew YorkNew YorkUSA
| | - Virginia L. Malloy
- Animal Science LaboratoryOrentreich Foundation for the Advancement of ScienceCold Spring‐on‐HudsonNew YorkUSA
| | - Wilfredo Mansilla
- Department of Animal BioscienceUniversity of GuelphGuelphOntarioCanada
| | - Bente Øvrebø
- Department of Nutrition, Institute of Basic Medical SciencesUniversity of OsloOsloNorway
| | - Cheryl Turner
- Department of PharmacologyUniversity of OxfordOxfordUK
| | - Nasser E. Bastani
- Department of Nutrition, Institute of Basic Medical SciencesUniversity of OsloOsloNorway
| | - Jitka Sokolová
- Department of Pediatrics and Inherited Metabolic Disorders, General University Hospital in PragueCharles University‐First Faculty of MedicinePragueCzech Republic
| | - Markéta Pavlíková
- Department of Probability and Mathematical StatisticsCharles University ‐ Faculty of Mathematics and PhysicsPragueCzech Republic
| | - John P. Richie
- Departments of Public Health Sciences and PharmacologyPenn State University College of MedicineHersheyPennsylvaniaUSA
| | - Anna K. Shoveller
- Department of Animal BioscienceUniversity of GuelphGuelphOntarioCanada
| | - Helga Refsum
- Department of Nutrition, Institute of Basic Medical SciencesUniversity of OsloOsloNorway,Department of PharmacologyUniversity of OxfordOxfordUK
| | - Thomas Olsen
- Department of Nutrition, Institute of Basic Medical SciencesUniversity of OsloOsloNorway
| | - Kathrine J. Vinknes
- Department of Nutrition, Institute of Basic Medical SciencesUniversity of OsloOsloNorway
| | - Viktor Kožich
- Department of Pediatrics and Inherited Metabolic Disorders, General University Hospital in PragueCharles University‐First Faculty of MedicinePragueCzech Republic
| | - Gene P. Ables
- Animal Science LaboratoryOrentreich Foundation for the Advancement of ScienceCold Spring‐on‐HudsonNew YorkUSA
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Fang H, Stone KP, Wanders D, Forney LA, Gettys TW. The Origins, Evolution, and Future of Dietary Methionine Restriction. Annu Rev Nutr 2022; 42:201-226. [PMID: 35588443 PMCID: PMC9936953 DOI: 10.1146/annurev-nutr-062320-111849] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
The original description of dietary methionine restriction (MR) used semipurified diets to limit methionine intake to 20% of normal levels, and this reduction in dietary methionine increased longevity by ∼30% in rats. The MR diet also produces paradoxical increases in energy intake and expenditure and limits fat deposition while reducing tissue and circulating lipids and enhancing overall insulin sensitivity. In the years following the original 1993 report, a comprehensive effort has been made to understand the nutrient sensing and signaling systems linking reduced dietary methionine to the behavioral, physiological, biochemical, and transcriptional components of the response. Recent work has shown that transcriptional activation of hepatic fibroblast growth factor 21 (FGF21) is a key event linking the MR diet to many but not all components of its metabolic phenotype. These findings raise the interesting possibility of developing therapeutic, MR-based diets that produce the beneficial effects of FGF21 by nutritionally modulating its transcription and release.
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Affiliation(s)
- Han Fang
- Laboratory of Nutrient Sensing and Adipocyte Signaling, Pennington Biomedical Research Center, Baton Rouge, Louisiana, USA;
| | - Kirsten P Stone
- Laboratory of Nutrient Sensing and Adipocyte Signaling, Pennington Biomedical Research Center, Baton Rouge, Louisiana, USA;
| | - Desiree Wanders
- Department of Nutrition, Georgia State University, Atlanta, Georgia, USA
| | - Laura A Forney
- Department of Kinesiology, Houston Baptist University, Houston, Texas, USA
| | - Thomas W Gettys
- Laboratory of Nutrient Sensing and Adipocyte Signaling, Pennington Biomedical Research Center, Baton Rouge, Louisiana, USA;
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13
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ERα-Dependent Regulation of Adropin Predicts Sex Differences in Liver Homeostasis during High-Fat Diet. Nutrients 2022; 14:nu14163262. [PMID: 36014766 PMCID: PMC9416503 DOI: 10.3390/nu14163262] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Revised: 08/07/2022] [Accepted: 08/07/2022] [Indexed: 11/16/2022] Open
Abstract
Non-alcoholic fatty liver disease (NAFLD) represents a public health issue, due to its prevalence and association with other cardiometabolic diseases. Growing evidence suggests that NAFLD alters the production of hepatokines, which, in turn, influence several metabolic processes. Despite accumulating evidence on the major role of estrogen signaling in the sexually dimorphic nature of NAFLD, dependency of hepatokine expression on sex and estrogens has been poorly investigated. Through in vitro and in vivo analysis, we determined the extent to which hepatokines, known to be altered in NAFLD, can be regulated, in a sex-specific fashion, under different hormonal and nutritional conditions. Our study identified four hepatokines that better recapitulate sex and estrogen dependency. Among them, adropin resulted as one that displays a sex-specific and estrogen receptor alpha (ERα)-dependent regulation in the liver of mice under an excess of dietary lipids (high-fat diet, HFD). Under HFD conditions, the hepatic induction of adropin negatively correlates with the expression of lipogenic genes and with fatty liver in female mice, an effect that depends upon hepatic ERα. Our findings support the idea that ERα-mediated induction of adropin might represent a potential approach to limit or prevent NAFLD.
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14
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Metabolic benefits of methionine restriction in adult mice do not require functional methionine sulfoxide reductase A (MsrA). Sci Rep 2022; 12:5073. [PMID: 35332198 PMCID: PMC8948287 DOI: 10.1038/s41598-022-08978-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Accepted: 03/11/2022] [Indexed: 11/27/2022] Open
Abstract
Methionine restriction (MR) extends lifespan and improves several markers of health in rodents. However, the proximate mechanisms of MR on these physiological benefits have not been fully elucidated. The essential amino acid methionine plays numerous biological roles and limiting its availability in the diet directly modulates methionine metabolism. There is growing evidence that redox regulation of methionine has regulatory control on some aspects of cellular function but interactions with MR remain largely unexplored. We tested the functional role of the ubiquitously expressed methionine repair enzyme methionine sulfoxide reductase A (MsrA) on the metabolic benefits of MR in mice. MsrA catalytically reduces both free and protein-bound oxidized methionine, thus playing a key role in its redox state. We tested the extent to which MsrA is required for metabolic effects of MR in adult mice using mice lacking MsrA. As expected, MR in control mice reduced body weight, altered body composition, and improved glucose metabolism. Interestingly, lack of MsrA did not impair the metabolic effects of MR on these outcomes. Moreover, females had blunted MR responses regardless of MsrA status compared to males. Overall, our data suggests that MsrA is not required for the metabolic benefits of MR in adult mice.
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15
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Age and Sex: Impact on adipose tissue metabolism and inflammation. Mech Ageing Dev 2021; 199:111563. [PMID: 34474078 DOI: 10.1016/j.mad.2021.111563] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2021] [Revised: 08/19/2021] [Accepted: 08/26/2021] [Indexed: 02/08/2023]
Abstract
Age associated chronic inflammation is a major contributor to diseases with advancing age. Adipose tissue function is at the nexus of processes contributing to age-related metabolic disease and mediating longevity. Hormonal fluctuations in aging potentially regulate age-associated visceral adiposity and metabolic dysfunction. Visceral adiposity in aging is linked to aberrant adipogenesis, insulin resistance, lipotoxicity and altered adipokine secretion. Age-related inflammatory phenomena depict sex differences in macrophage polarization, changes in T and B cell numbers, and types of dendritic cells. Sex differences are also observed in adipose tissue remodeling and cellular senescence suggesting a role for sex steroid hormones in the regulation of the adipose tissue microenvironment. It is crucial to investigate sex differences in aging clinical outcomes to identify and better understand physiology in at-risk individuals. Early interventions aimed at targets involved in adipose tissue adipogenesis, remodeling and inflammation in aging could facilitate a profound impact on health span and overcome age-related functional decline.
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16
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Fang H, Stone KP, Ghosh S, Forney LA, Gettys TW. The Role of Reduced Methionine in Mediating the Metabolic Responses to Protein Restriction Using Different Sources of Protein. Nutrients 2021; 13:nu13082609. [PMID: 34444768 PMCID: PMC8399679 DOI: 10.3390/nu13082609] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2021] [Revised: 07/22/2021] [Accepted: 07/28/2021] [Indexed: 01/22/2023] Open
Abstract
Dietary protein restriction and dietary methionine restriction (MR) produce a comparable series of behavioral, physiological, biochemical, and transcriptional responses. Both dietary regimens produce a similar reduction in intake of sulfur amino acids (e.g., methionine and cystine), and both diets increase expression and release of hepatic FGF21. Given that FGF21 is an essential mediator of the metabolic phenotype produced by both diets, an important unresolved question is whether dietary protein restriction represents de facto methionine restriction. Using diets formulated from either casein or soy protein with matched reductions in sulfur amino acids, we compared the ability of the respective diets to recapitulate the metabolic phenotype produced by methionine restriction using elemental diets. Although the soy-based control diets supported faster growth compared to casein-based control diets, casein-based protein restriction and soy-based protein restriction produced comparable reductions in body weight and fat deposition, and similar increases in energy intake, energy expenditure, and water intake. In addition, the prototypical effects of dietary MR on hepatic and adipose tissue target genes were similarly regulated by casein- and soy-based protein restriction. The present findings support the feasibility of using restricted intake of diets from various protein sources to produce therapeutically effective implementation of dietary methionine restriction.
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Affiliation(s)
- Han Fang
- Laboratory of Nutrient Sensing & Adipocyte Signaling, 6400 Perkins Road, Pennington Biomedical Research Center, Baton Rouge, LA 70808, USA; (H.F.); (K.P.S.)
| | - Kirsten P. Stone
- Laboratory of Nutrient Sensing & Adipocyte Signaling, 6400 Perkins Road, Pennington Biomedical Research Center, Baton Rouge, LA 70808, USA; (H.F.); (K.P.S.)
| | - Sujoy Ghosh
- Laboratory of Computational Biology, Pennington Biomedical Research Center, Baton Rouge, LA 70808, USA;
- Program in Cardiovascular and Metabolic Disorders and Center for Computational Biology, Duke-NUS Medical School, Singapore 169857, Singapore
| | - Laura A. Forney
- Department of Integrative Biology and Pharmacology, University of Texas Health Science Center at Houston, 7000 Fannin St, Houston, TX 77030, USA;
| | - Thomas W. Gettys
- Laboratory of Nutrient Sensing & Adipocyte Signaling, 6400 Perkins Road, Pennington Biomedical Research Center, Baton Rouge, LA 70808, USA; (H.F.); (K.P.S.)
- Correspondence:
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17
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Babygirija R, Lamming DW. The regulation of healthspan and lifespan by dietary amino acids. TRANSLATIONAL MEDICINE OF AGING 2021; 5:17-30. [PMID: 34263088 PMCID: PMC8277109 DOI: 10.1016/j.tma.2021.05.001] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
As a key macronutrient and source of essential macromolecules, dietary protein plays a significant role in health. For many years, protein-rich diets have been recommended as healthy due to the satiety-inducing and muscle-building effects of protein, as well as the ability of protein calories to displace allegedly unhealthy calories from fats and carbohydrates. However, clinical studies find that consumption of dietary protein is associated with an increased risk of multiple diseases, especially diabetes, while studies in rodents have demonstrated that protein restriction can promote metabolic health and even lifespan. Emerging evidence suggests that the effects of dietary protein on health and longevity are not mediated simply by protein quantity but are instead mediated by protein quality - the specific amino acid composition of the diet. Here, we discuss how dietary protein and specific amino acids including methionine, the branched chain amino acids (leucine, isoleucine, and valine), tryptophan and glycine regulate metabolic health, healthspan, and aging, with attention to the specific molecular mechanisms that may participate in these effects. Finally, we discuss the potential applicability of these findings to promoting healthy aging in humans.
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Affiliation(s)
- Reji Babygirija
- William S. Middleton Memorial Veterans Hospital, Madison, WI
- Department of Medicine, University of Wisconsin-Madison, Madison, WI
- Graduate Program in Cellular and Molecular Biology, University of Wisconsin-Madison, Madison, WI, USA
| | - Dudley W. Lamming
- William S. Middleton Memorial Veterans Hospital, Madison, WI
- Department of Medicine, University of Wisconsin-Madison, Madison, WI
- Graduate Program in Cellular and Molecular Biology, University of Wisconsin-Madison, Madison, WI, USA
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18
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Dietary Essential Amino Acid Restriction Promotes Hyperdipsia via Hepatic FGF21. Nutrients 2021; 13:nu13051469. [PMID: 33926065 PMCID: PMC8144947 DOI: 10.3390/nu13051469] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Revised: 04/22/2021] [Accepted: 04/23/2021] [Indexed: 11/17/2022] Open
Abstract
Prior studies have reported that dietary protein dilution (DPD) or amino acid dilution promotes heightened water intake (i.e., hyperdipsia) however, the exact dietary requirements and the mechanism responsible for this effect are still unknown. Here, we show that dietary amino acid (AA) restriction is sufficient and required to drive hyperdipsia during DPD. Our studies demonstrate that particularly dietary essential AA (EAA) restriction, but not non-EAA, is responsible for the hyperdipsic effect of total dietary AA restriction (DAR). Additionally, by using diets with varying amounts of individual EAA under constant total AA supply, we demonstrate that restriction of threonine (Thr) or tryptophan (Trp) is mandatory and sufficient for the effects of DAR on hyperdipsia and that liver-derived fibroblast growth factor 21 (FGF21) is required for this hyperdipsic effect. Strikingly, artificially introducing Thr de novo biosynthesis in hepatocytes reversed hyperdipsia during DAR. In summary, our results show that the DPD effects on hyperdipsia are induced by the deprivation of Thr and Trp, and in turn, via liver/hepatocyte-derived FGF21.
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19
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Bruhat A, Papet I, Fafournoux P. Complex Mechanisms Link Dietary Sulfur Amino Acid Restriction to Health Improvement. J Nutr 2021; 151:749-750. [PMID: 33693727 DOI: 10.1093/jn/nxaa457] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Revised: 12/28/2020] [Accepted: 12/29/2020] [Indexed: 11/14/2022] Open
Affiliation(s)
- Alain Bruhat
- PROTEOSTASIS Team, Unit of Human Nutrition, Clermont Auvergne University, National Institute of Agronomic Research (INRAe), Clermont-Ferrand, France
| | - Isabelle Papet
- PROTEOSTASIS Team, Unit of Human Nutrition, Clermont Auvergne University, National Institute of Agronomic Research (INRAe), Clermont-Ferrand, France
| | - Pierre Fafournoux
- PROTEOSTASIS Team, Unit of Human Nutrition, Clermont Auvergne University, National Institute of Agronomic Research (INRAe), Clermont-Ferrand, France
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20
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Ren B, Wang L, Shi L, Jin X, Liu Y, Liu RH, Yin F, Cadenas E, Dai X, Liu Z, Liu X. Methionine restriction alleviates age-associated cognitive decline via fibroblast growth factor 21. Redox Biol 2021; 41:101940. [PMID: 33765615 PMCID: PMC8022247 DOI: 10.1016/j.redox.2021.101940] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2021] [Revised: 03/05/2021] [Accepted: 03/06/2021] [Indexed: 12/14/2022] Open
Abstract
Methionine restriction (MR) extends lifespan and delays the onset of aging-associated pathologies. However, the effect of MR on age-related cognitive decline remains unclear. Here, we find that a 3-month MR ameliorates working memory, short-term memory, and spatial memory in 15-month-old and 18-month-old mice by preserving synaptic ultrastructure, increasing mitochondrial biogenesis, and reducing the brain MDA level in aged mice hippocampi. Transcriptome data suggest that the receptor of fibroblast growth factor 21 (FGF21)-related gene expressions were altered in the hippocampi of MR-treated aged mice. MR increased FGF21 expression in serum, liver, and brain. Integrative modelling reveals strong correlations among behavioral performance, MR altered nervous structure-related genes, and circulating FGF21 levels. Recombinant FGF21 treatment balanced the cellular redox status, prevented mitochondrial structure damages, and upregulated antioxidant enzymes HO-1 and NQO1 expression by transcriptional activation of Nrf2 in SH-SY5Y cells. Moreover, knockdown of Fgf21 by i.v. injection of adeno-associated virus abolished the neuroprotective effects of MR in aged mice. In conclusion, the MR exhibited the protective effects against age-related behavioral disorders, which could be partly explained by activating circulating FGF21 and promoting mitochondrial biogenesis, and consequently suppressing the neuroinflammation and oxidative damages. These results demonstrate that FGF21 can be used as a potential nutritional factor in dietary restriction-based strategies for improving cognition associated with neurodegeneration disorders. MR suppresses age-associated cognitive impairment. MR improves synapse ultrastructure and mitochondrial biogenesis in the hippocampus. FGF21 is required for the beneficial effects of MR. FGF21 activates Nrf2 signaling and alleviates neuroinflammation and oxidative stress.
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Affiliation(s)
- Bo Ren
- Laboratory of Functional Chemistry and Nutrition of Food, College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Luanfeng Wang
- Laboratory of Functional Chemistry and Nutrition of Food, College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Lin Shi
- College of Food Engineering and Nutritional Science, Shaanxi Normal University, Shaanxi, 710119, China
| | - Xin Jin
- BGI Institute of Applied Agriculture, BGI-Shenzhen, Shenzhen, 518120, China
| | - Yan Liu
- Laboratory of Functional Chemistry and Nutrition of Food, College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Rui Hai Liu
- Department of Food Science, Cornell University, Ithaca, 14853-7201, NY, USA
| | - Fei Yin
- Center for Innovation in Brain Science and Department of Pharmacology, University of Arizona, Tucson, 85721, AZ, USA
| | - Enrique Cadenas
- Pharmacology and Pharmaceutical Sciences, School of Pharmacy, University of Southern California, Los Angeles, 90089, CA, USA
| | - Xiaoshuang Dai
- BGI Institute of Applied Agriculture, BGI-Shenzhen, Shenzhen, 518120, China
| | - Zhigang Liu
- Laboratory of Functional Chemistry and Nutrition of Food, College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi, 712100, China; Department of Food Science, Cornell University, Ithaca, 14853-7201, NY, USA.
| | - Xuebo Liu
- Laboratory of Functional Chemistry and Nutrition of Food, College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi, 712100, China.
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21
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Jonsson WO, Margolies NS, Mirek ET, Zhang Q, Linden MA, Hill CM, Link C, Bithi N, Zalma B, Levy JL, Pettit AP, Miller JW, Hine C, Morrison CD, Gettys TW, Miller BF, Hamilton KL, Wek RC, Anthony TG. Physiologic Responses to Dietary Sulfur Amino Acid Restriction in Mice Are Influenced by Atf4 Status and Biological Sex. J Nutr 2021; 151:785-799. [PMID: 33512502 PMCID: PMC8030708 DOI: 10.1093/jn/nxaa396] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2020] [Revised: 10/19/2020] [Accepted: 11/17/2020] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND Dietary sulfur amino acid restriction (SAAR) improves body composition and metabolic health across several model organisms in part through induction of the integrated stress response (ISR). OBJECTIVE We investigate the hypothesis that activating transcription factor 4 (ATF4) acts as a converging point in the ISR during SAAR. METHODS Using liver-specific or global gene ablation strategies, in both female and male mice, we address the role of ATF4 during dietary SAAR. RESULTS We show that ATF4 is dispensable in the chronic induction of the hepatokine fibroblast growth factor 21 while being essential for the sustained production of endogenous hydrogen sulfide. We also affirm that biological sex, independent of ATF4 status, is a determinant of the response to dietary SAAR. CONCLUSIONS Our results suggest that auxiliary components of the ISR, which are independent of ATF4, are critical for SAAR-mediated improvements in metabolic health in mice.
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Affiliation(s)
- William O Jonsson
- Department of Nutritional Sciences, Rutgers University, New Brunswick, NJ, USA
| | | | - Emily T Mirek
- Department of Nutritional Sciences, Rutgers University, New Brunswick, NJ, USA
| | - Qian Zhang
- Department of Health and Exercise Science, Colorado State University, Ft. Collins, CO, USA
| | - Melissa A Linden
- Department of Health and Exercise Science, Colorado State University, Ft. Collins, CO, USA,Pennington Biomedical Research Center, Louisiana State University, Baton Rouge, LA, USA
| | - Cristal M Hill
- Pennington Biomedical Research Center, Louisiana State University, Baton Rouge, LA, USA
| | - Christopher Link
- Department of Cardiovascular and Metabolic Sciences, Cleveland Clinic Lerner Research Institute, Cleveland, OH, USA
| | - Nazmin Bithi
- Department of Cardiovascular and Metabolic Sciences, Cleveland Clinic Lerner Research Institute, Cleveland, OH, USA
| | - Brian Zalma
- Department of Nutritional Sciences, Rutgers University, New Brunswick, NJ, USA
| | - Jordan L Levy
- Department of Nutritional Sciences, Rutgers University, New Brunswick, NJ, USA
| | - Ashley P Pettit
- Department of Nutritional Sciences, Rutgers University, New Brunswick, NJ, USA
| | - Joshua W Miller
- Department of Nutritional Sciences, Rutgers University, New Brunswick, NJ, USA
| | - Christopher Hine
- Department of Cardiovascular and Metabolic Sciences, Cleveland Clinic Lerner Research Institute, Cleveland, OH, USA
| | | | - Thomas W Gettys
- Pennington Biomedical Research Center, Louisiana State University, Baton Rouge, LA, USA
| | - Benjamin F Miller
- Aging & Metabolism Research Program, Oklahoma Medical Research Foundation, Oklahoma City, OK, USA
| | - Karyn L Hamilton
- Department of Health and Exercise Science, Colorado State University, Ft. Collins, CO, USA
| | - Ronald C Wek
- Department of Biochemistry and Molecular Biology, Indiana University School of Medicine, Indianapolis, IN, USA
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22
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Methionine metabolism in chronic liver diseases: an update on molecular mechanism and therapeutic implication. Signal Transduct Target Ther 2020; 5:280. [PMID: 33273451 PMCID: PMC7714782 DOI: 10.1038/s41392-020-00349-7] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2020] [Revised: 08/30/2020] [Accepted: 09/18/2020] [Indexed: 02/06/2023] Open
Abstract
As one of the bicyclic metabolic pathways of one-carbon metabolism, methionine metabolism is the pivot linking the folate cycle to the transsulfuration pathway. In addition to being a precursor for glutathione synthesis, and the principal methyl donor for nucleic acid, phospholipid, histone, biogenic amine, and protein methylation, methionine metabolites can participate in polyamine synthesis. Methionine metabolism disorder can aggravate the damage in the pathological state of a disease. In the occurrence and development of chronic liver diseases (CLDs), changes in various components involved in methionine metabolism can affect the pathological state through various mechanisms. A methionine-deficient diet is commonly used for building CLD models. The conversion of key enzymes of methionine metabolism methionine adenosyltransferase (MAT) 1 A and MAT2A/MAT2B is closely related to fibrosis and hepatocellular carcinoma. In vivo and in vitro experiments have shown that by intervening related enzymes or downstream metabolites to interfere with methionine metabolism, the liver injuries could be reduced. Recently, methionine supplementation has gradually attracted the attention of many clinical researchers. Most researchers agree that adequate methionine supplementation can help reduce liver damage. Retrospective analysis of recently conducted relevant studies is of profound significance. This paper reviews the latest achievements related to methionine metabolism and CLD, from molecular mechanisms to clinical research, and provides some insights into the future direction of basic and clinical research.
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23
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Abstract
Life expectancy in most developed countries has been rising over the past century. In the UK alone, there are about 12 million people over 65 years old and centenarians have increased by 85% in the past 15 years. As a result of the ageing population, which is due mainly to improvements in medical treatments, public health, improved housing and lifestyle choices, there is an associated increase in the prevalence of pathological conditions, such as metabolic disorders, type 2 diabetes, cardiovascular and neurodegenerative diseases, many types of cancer and others. Statistics suggest that nearly 54% of elderly people in the UK live with at least two chronic conditions, revealing the urgency for identifying interventions that can prevent and/or treat such disorders. Non-pharmacological, dietary interventions such as energetic restriction (ER) and methionine restriction (MR) have revealed promising outcomes in increasing longevity and preventing and/or reversing the development of ageing-associated disorders. In this review, we discuss the evidence and mechanisms that are involved in these processes. Fibroblast growth factor 1 and hydrogen sulphide are important molecules involved in the effects of ER and MR in the extension of life span. Their role is also associated with the prevention of metabolic and cognitive disorders, highlighting these interventions as promising modulators for improvement of health span.
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