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Ji M, Xu Q, Li X. Dietary methionine restriction in cancer development and antitumor immunity. Trends Endocrinol Metab 2024; 35:400-412. [PMID: 38383161 PMCID: PMC11096033 DOI: 10.1016/j.tem.2024.01.009] [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: 11/30/2023] [Revised: 01/18/2024] [Accepted: 01/19/2024] [Indexed: 02/23/2024]
Abstract
Methionine restriction (MR) has been shown to suppress tumor growth and improve the responses to various anticancer therapies. However, methionine itself is required for the proliferation, activation, and differentiation of T cells that are crucial for antitumor immunity. The dual impact of methionine, that influences both tumor and immune cells, has generated concerns regarding the potential consequences of MR on T cell immunity and its possible role in promoting cancer. In this review we systemically examine current literature on the interactions between dietary methionine, cancer cells, and immune cells. Based on recent findings on MR in immunocompetent animals, we further discuss how tumor stage-specific methionine dependence of immune cells and cancer cells in the tumor microenvironment could ultimately dictate the response of tumors to MR.
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Affiliation(s)
- Ming Ji
- Signal Transduction Laboratory, National Institute of Environmental Health Sciences, Research Triangle Park, NC 27709, USA
| | - Qing Xu
- Signal Transduction Laboratory, National Institute of Environmental Health Sciences, Research Triangle Park, NC 27709, USA
| | - Xiaoling Li
- Signal Transduction Laboratory, National Institute of Environmental Health Sciences, Research Triangle Park, NC 27709, USA.
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2
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Liu G, Sharma MK, Tompkins YH, Teng PY, Kim WK. Different methionine to cysteine supplementation ratios altered bone quality of broilers with or without Eimeria challenge assessed by dual energy X-ray absorptiometry and microtomography. Poult Sci 2024; 103:103580. [PMID: 38428354 PMCID: PMC10912940 DOI: 10.1016/j.psj.2024.103580] [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: 12/12/2023] [Revised: 02/12/2024] [Accepted: 02/17/2024] [Indexed: 03/03/2024] Open
Abstract
Despite the acknowledged significance of nutrition in bone development, effects of methionine (Met) and cysteine (Cys) on bone quality remain under-researched, particularly during Eimeria challenge. We investigated the effects of different supplemental Met to Cys ratios (MCR) on bone quality of broilers under Eimeria challenge. A total of 720 fourteen-day old Cobb500 broilers were allocated into a 5 × 2 factorial arrangement. Five diets with Met and Cys supplemented at MCR of 100:0, 75:25, 50:50, 25:75, and 0:100 were fed to the birds with or without Eimeria challenge. Body composition was measured by dual energy x-ray absorptiometry, and the femur bone characteristics were assessed by microtomography. Data were analyzed by two-way ANOVA and orthogonal polynomial contrast. The results reaffirmed the detrimental effects of Eimeria challenge on bone quality. On 9 d post inoculation (DPI), significant interaction effects were found for whole body bone mineral content (BMC), lean tissue weight, and body weight (P < 0.05); in the nonchallenged group (NCG), these parameters linearly decreased as MCR decreased (P < 0.05). In the challenged group (CG), body weight and lean tissue weight were unaffected by MCR, and BMC linearly increased as MCR decreased (P < 0.05). For the cortical bone of femoral metaphysis on 6 DPI, bone mineral density (BMD) linearly increased as MCR decreased (P < 0.05). Bone volume to tissue volume ratio (BV/TV) in the CG linearly increased as MCR decreased (P < 0.05). On 9 DPI, BMC and TV linearly increased as MCR decreased (P < 0.05) in the NCG. BMD and BV/TV changed quadratically as MCR decreased (P < 0.05). For the trabecular bone of femoral metaphysis on 9 DPI, BV/TV, and trabecular number linearly increased as MCR decreased (P < 0.05) in the NCG. For the femoral diaphysis, BV, TV, BMC on 6 DPI, and BMD on 9 DPI linearly increased as MCR decreased (P < 0.05). In conclusion, this study showed that both Eimeria challenge and varying supplemental MCR could influence bone quality of broilers.
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Affiliation(s)
- Guanchen Liu
- Department of Poultry Science, University of Georgia, Athens, GA 30602, USA
| | - Milan K Sharma
- Department of Poultry Science, University of Georgia, Athens, GA 30602, USA
| | - Yuguo H Tompkins
- Department of Poultry Science, University of Georgia, Athens, GA 30602, USA
| | - Po-Yun Teng
- Department of Poultry Science, University of Georgia, Athens, GA 30602, USA
| | - Woo K Kim
- Department of Poultry Science, University of Georgia, Athens, GA 30602, USA.
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3
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Zhang Y, Jelleschitz J, Grune T, Chen W, Zhao Y, Jia M, Wang Y, Liu Z, Höhn A. Methionine restriction - Association with redox homeostasis and implications on aging and diseases. Redox Biol 2022; 57:102464. [PMID: 36152485 PMCID: PMC9508608 DOI: 10.1016/j.redox.2022.102464] [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: 05/09/2022] [Revised: 08/26/2022] [Accepted: 08/30/2022] [Indexed: 10/31/2022] Open
Abstract
Methionine is an essential amino acid, involved in the promotion of growth, immunity, and regulation of energy metabolism. Over the decades, research has long focused on the beneficial effects of methionine supplementation, while data on positive effects of methionine restriction (MR) were first published in 1993. MR is a low-methionine dietary intervention that has been reported to ameliorate aging and aging-related health concomitants and diseases, such as obesity, type 2 diabetes, and cognitive disorders. In addition, MR seems to be an approach to prolong lifespan which has been validated extensively in various animal models, such as Caenorhabditis elegans, Drosophila, yeast, and murine models. MR appears to be associated with a reduction in oxidative stress via so far mainly undiscovered mechanisms, and these changes in redox status appear to be one of the underlying mechanisms for lifespan extension and beneficial health effects. In the present review, the association of methionine metabolism pathways with redox homeostasis is described. In addition, the effects of MR on lifespan, age-related implications, comorbidities, and diseases are discussed.
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Affiliation(s)
- Yuyu Zhang
- Laboratory of Functional Chemistry and Nutrition of Food, College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Julia Jelleschitz
- German Institute of Human Nutrition (DIfE) Potsdam-Rehbruecke, Department of Molecular Toxicology, Arthur-Scheunert-Allee 114-116, 14558, Nuthetal, Germany
| | - Tilman Grune
- German Institute of Human Nutrition (DIfE) Potsdam-Rehbruecke, Department of Molecular Toxicology, Arthur-Scheunert-Allee 114-116, 14558, Nuthetal, Germany; German Center for Diabetes Research (DZD), 85764, Muenchen-Neuherberg, Germany; NutriAct-Competence Cluster Nutrition Research Berlin-Potsdam, Nuthetal, Germany; German Center for Cardiovascular Research (DZHK), Berlin, Germany; Institute of Nutrition, University of Potsdam, Nuthetal, 14558, Germany
| | - Weixuan Chen
- Laboratory of Functional Chemistry and Nutrition of Food, College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Yihang Zhao
- Laboratory of Functional Chemistry and Nutrition of Food, College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Mengzhen Jia
- Laboratory of Functional Chemistry and Nutrition of Food, College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Yajie Wang
- Laboratory of Functional Chemistry and Nutrition of Food, College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi, 712100, 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.
| | - Annika Höhn
- German Institute of Human Nutrition (DIfE) Potsdam-Rehbruecke, Department of Molecular Toxicology, Arthur-Scheunert-Allee 114-116, 14558, Nuthetal, Germany; German Center for Diabetes Research (DZD), 85764, Muenchen-Neuherberg, Germany.
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Popović T, Amidžić L, Čeko M, Marković S, Škrbić R. Effect of hydrogen sulphide containing mineral water on experimental osteoporosis in rats. SCRIPTA MEDICA 2022. [DOI: 10.5937/scriptamed53-41462] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
Background/Aim: Sulphur mineral water is widely used in the treatment of musculoskeletal diseases. Hydrogen sulphide is an important regulator of bone metabolism and its application in the treatment of osteoporosis is intensively researched. The aim of this study was to analyse biochemical and histological effects of H2S containing mineral water of "Mlječanica" spring on ovariectomy-induced experimental osteoporosis in rats. Methods: In this experiment a 14-week-old Wistar female rats were used. The animals undergone bilateral ovariectomy (OVX groups) as an experimental model for oestrogen-deficient osteoporosis. After six weeks, animals were divided into control and the experimental group. Rats from the experimental group treated with H2S (SW group) containing mineral water ad libitum during five weeks. Biochemical parameters for monitoring sulphur water effects were concentration in serum of osteocalcin, alkaline phosphatase, calcium and phosphorus. Histological analyses of the left tibia coloured with haematoxylin-eosin were carried out. Results: Regarding the biochemical parameters, a statistically significant increase was observed in the OVX group for osteocalcin, alkaline phosphatase calcium and phosphorus compared to the sham-operated (CNT) group (p < 0.01). In SW + OVX, alkaline phosphatase was statistically significantly decreased (p < 0.01) and serum osteocalcin and phosphorus increased (p < 0.01). Calcium values were increased without significance. In the OVX + SW group, histological analyses showed numerous osteoblasts along the trabecular endosteum and the growth of young chondrocytes in the central bone zone and their migration to the peripheral parts. Conclusion: Drinking the H2S containing "Mlječanica" mineral water has led to decreased alkaline phosphatase, increased osteocalcin and phosphorus concentration in serum and stimulated the bone reparation in osteoporotic rats.
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Navik U, Sheth VG, Khurana A, Jawalekar SS, Allawadhi P, Gaddam RR, Bhatti JS, Tikoo K. Methionine as a double-edged sword in health and disease: Current perspective and future challenges. Ageing Res Rev 2021; 72:101500. [PMID: 34700006 DOI: 10.1016/j.arr.2021.101500] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2021] [Revised: 09/18/2021] [Accepted: 10/20/2021] [Indexed: 12/17/2022]
Abstract
Methionine is one of the essential amino acids and plays a vital role in various cellular processes. Reports advocate that methionine restriction and supplementation provide promising outcomes, and its regulation is critical for maintaining a healthy life. Dietary methionine restriction in houseflies and rodents has been proven to extend lifespan. Contrary to these findings, long-term dietary restriction of methionine leads to adverse events such as bone-related disorders, stunted growth, and hyperhomocysteinemia. Conversely, dietary supplementation of methionine improves hepatic steatosis, insulin resistance, inflammation, fibrosis, and bone health. However, a high level of methionine intake shows adverse effects such as hyperhomocysteinemia, reduced body weight, and increased cholesterol levels. Therefore, dietary methionine in a safe dose could have medicinal values. Hence, this review is aimed to provide a snapshot of the dietary role and regulation of methionine in the modulation of health and age-related diseases.
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Luo B, Zhou X, Tang Q, Yin Y, Feng G, Li S, Chen L. Circadian rhythms affect bone reconstruction by regulating bone energy metabolism. J Transl Med 2021; 19:410. [PMID: 34579752 PMCID: PMC8477514 DOI: 10.1186/s12967-021-03068-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2021] [Accepted: 09/02/2021] [Indexed: 01/02/2023] Open
Abstract
Metabolism is one of the most complex cellular biochemical reactions, providing energy and substances for basic activities such as cell growth and proliferation. Early studies have shown that glucose is an important nutrient in osteoblasts. In addition, amino acid metabolism and fat metabolism also play important roles in bone reconstruction. Mammalian circadian clocks regulate the circadian cycles of various physiological functions. In vertebrates, circadian rhythms are mediated by a set of central clock genes: muscle and brain ARNT like-1 (Bmal1), muscle and brain ARNT like-2 (Bmal2), circadian rhythmic motion output cycle stagnates (Clock), cryptochrome 1 (Cry1), cryptochrome2 (Cry2), period 1 (Per1), period 2 (Per2), period 3 (Per3) and neuronal PAS domain protein 2 (Npas2). Negative feedback loops, controlled at both the transcriptional and posttranslational levels, adjust these clock genes in a diurnal manner. According to the results of studies on circadian transcriptomic studies in several tissues, most rhythmic genes are expressed in a tissue-specific manner and are affected by tissue-specific circadian rhythms. The circadian rhythm regulates several activities, including energy metabolism, feeding time, sleeping, and endocrine and immune functions. It has been reported that the circadian rhythms of mammals are closely related to bone metabolism. In this review, we discuss the regulation of the circadian rhythm/circadian clock gene in osteoblasts/osteoclasts and the energy metabolism of bone, and the relationship between circadian rhythm, bone remodeling, and energy metabolism. We also discuss the therapeutic potential of regulating circadian rhythms or changing energy metabolism on bone development/bone regeneration.
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Affiliation(s)
- Beibei Luo
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China.,School of Stomatology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China.,Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan, 430022, China
| | - Xin Zhou
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China.,School of Stomatology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China.,Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan, 430022, China
| | - Qingming Tang
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China.,School of Stomatology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China.,Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan, 430022, China
| | - Ying Yin
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China.,School of Stomatology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China.,Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan, 430022, China
| | - Guangxia Feng
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China.,School of Stomatology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China.,Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan, 430022, China
| | - Shue Li
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China. .,School of Stomatology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China. .,Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan, 430022, China.
| | - Lili Chen
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China. .,School of Stomatology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China. .,Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan, 430022, China.
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7
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McNulty MA, Goupil BA, Albarado DC, Castaño-Martinez T, Ambrosi TH, Puh S, Schulz TJ, Schürmann A, Morrison CD, Laeger T. FGF21, not GCN2, influences bone morphology due to dietary protein restrictions. Bone Rep 2019; 12:100241. [PMID: 31921941 PMCID: PMC6950640 DOI: 10.1016/j.bonr.2019.100241] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/01/2019] [Revised: 12/12/2019] [Accepted: 12/29/2019] [Indexed: 11/18/2022] Open
Abstract
Background Dietary protein restriction is emerging as an alternative approach to treat obesity and glucose intolerance because it markedly increases plasma fibroblast growth factor 21 (FGF21) concentrations. Similarly, dietary restriction of methionine is known to mimic metabolic effects of energy and protein restriction with FGF21 as a required mechanism. However, dietary protein has been shown to be required for normal bone growth, though there is conflicting evidence as to the influence of dietary protein restriction on bone remodeling. The purpose of the current study was to evaluate the effect of dietary protein and methionine restriction on bone in lean and obese mice, and clarify whether FGF21 and general control nonderepressible 2 (GCN2) kinase, that are part of a novel endocrine pathway implicated in the detection of protein restriction, influence the effect of dietary protein restriction on bone. Methods Adult wild-type (WT) or Fgf21 KO mice were fed a normal protein (18 kcal%; CON) or low protein (4 kcal%; LP) diet for 2 or 27 weeks. In addition, adult WT or Gcn2 KO mice were fed a CON or LP diet for 27 weeks. Young New Zealand obese (NZO) mice were placed on high-fat diets that provided protein at control (16 kcal%; CON), low levels (4 kcal%) in a high-carbohydrate (LP/HC) or high-fat (LP/HF) regimen, or on high-fat diets (protein, 16 kcal%) that provided methionine at control (0.86%; CON-MR) or low levels (0.17%; MR) for up to 9 weeks. Long bones from the hind limbs of these mice were collected and evaluated with micro-computed tomography (μCT) for changes in trabecular and cortical architecture and mass. Results In WT mice the 27-week LP diet significantly reduced cortical bone, and this effect was enhanced by deletion of Fgf21 but not Gcn2. This decrease in bone did not appear after 2 weeks on the LP diet. In addition, Fgf21 KO mice had significantly less bone than their WT counterparts. In obese NZO mice dietary protein and methionine restriction altered bone architecture. The changes were mediated by FGF21 due to methionine restriction in the presence of cystine, which did not increase plasma FGF21 levels and did not affect bone architecture. Conclusions This study provides direct evidence of a reduction in bone following long-term dietary protein restriction in a mouse model, effects that appear to be mediated by FGF21.
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Affiliation(s)
- Margaret A. McNulty
- Department of Anatomy, Cell Biology, & Physiology, Indiana University School of Medicine, Indianapolis, IN 46202, USA
- Department of Comparative Biomedical Sciences, Louisiana State University School of Veterinary Medicine, Baton Rouge, LA 70803, USA
- Corresponding author at: Department of Anatomy, Cell Biology, & Physiology
| | - Brad A. Goupil
- Department of Pathobiological Sciences, Louisiana State University School of Veterinary Medicine, Baton Rouge, LA 70803, USA
| | | | - Teresa Castaño-Martinez
- Department of Experimental Diabetology, German Institute of Human Nutrition Potsdam-Rehbruecke, Nuthetal, Germany
- German Center for Diabetes Research, München-Neuherberg, Germany
| | - Thomas H. Ambrosi
- Department of Adipocyte Development and Nutrition, German Institute of Human Nutrition, Potsdam-Rehbruecke, Germany
- Department of Surgery, Stanford Medicine, Stanford, CA 94305, USA
| | - Spela Puh
- Department of Adipocyte Development and Nutrition, German Institute of Human Nutrition, Potsdam-Rehbruecke, Germany
| | - Tim J. Schulz
- German Center for Diabetes Research, München-Neuherberg, Germany
- Department of Adipocyte Development and Nutrition, German Institute of Human Nutrition, Potsdam-Rehbruecke, Germany
- Institute of Nutritional Science, University of Potsdam, Potsdam-Rehbrücke, Germany
| | - Annette Schürmann
- Department of Experimental Diabetology, German Institute of Human Nutrition Potsdam-Rehbruecke, Nuthetal, Germany
- German Center for Diabetes Research, München-Neuherberg, Germany
- Institute of Nutritional Science, University of Potsdam, Potsdam-Rehbrücke, Germany
| | | | - Thomas Laeger
- Pennington Biomedical Research Center, Baton Rouge, LA 70808, USA
- Department of Experimental Diabetology, German Institute of Human Nutrition Potsdam-Rehbruecke, Nuthetal, Germany
- German Center for Diabetes Research, München-Neuherberg, Germany
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Abstract
The way cancer cells utilize nutrients to support their growth and proliferation is determined by cancer cell-intrinsic and cancer cell-extrinsic factors, including interactions with the environment. These interactions can define therapeutic vulnerabilities and impact the effectiveness of cancer therapy. Diet-mediated changes in whole-body metabolism and systemic nutrient availability can affect the environment that cancer cells are exposed to within tumours, and a better understanding of how diet modulates nutrient availability and utilization by cancer cells is needed. How diet impacts cancer outcomes is also of great interest to patients, yet clear evidence for how diet interacts with therapy and impacts tumour growth is lacking. Here we propose an experimental framework to probe the connections between diet and cancer metabolism. We examine how dietary factors may affect tumour growth by altering the access to and utilization of nutrients by cancer cells. Our growing understanding of how certain cancer types respond to various diets, how diet impacts cancer cell metabolism to mediate these responses and whether dietary interventions may constitute new therapeutic opportunities will begin to provide guidance on how best to use diet and nutrition to manage cancer in patients.
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Affiliation(s)
- Evan C Lien
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA, USA
- Department of Biology, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Matthew G Vander Heiden
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA, USA.
- Department of Biology, Massachusetts Institute of Technology, Cambridge, MA, USA.
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA, USA.
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Hydrogen Sulfide in Bone Tissue Regeneration and Repair: State of the Art and New Perspectives. Int J Mol Sci 2019; 20:ijms20205231. [PMID: 31652532 PMCID: PMC6834365 DOI: 10.3390/ijms20205231] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2019] [Revised: 10/17/2019] [Accepted: 10/18/2019] [Indexed: 12/12/2022] Open
Abstract
The importance of hydrogen sulfide (H2S) in the regulation of multiple physiological functions has been clearly recognized in the over 20 years since it was first identified as a novel gasotransmitter. In bone tissue H2S exerts a cytoprotective effect and promotes bone formation. Just recently, the scientific community has begun to appreciate its role as a therapeutic agent in bone pathologies. Pharmacological administration of H2S achieved encouraging results in preclinical studies in the treatment of systemic bone diseases, such as osteoporosis; however, a local delivery of H2S at sites of bone damage may provide additional opportunities of treatment. Here, we highlight how H2S stimulates multiple signaling pathways involved in various stages of the processes of bone repair. Moreover, we discuss how material science and chemistry have recently developed biomaterials and H2S-donors with improved features, laying the ground for the development of H2S-releasing devices for bone regenerative medicine. This review is intended to give a state-of-the-art description of the pro-regenerative properties of H2S, with a focus on bone tissue, and to discuss the potential of H2S-releasing scaffolds as a support for bone repair.
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Fabà L, Gasa J, Tokach MD, Font-i-Furnols M, Vilarrasa E, Solà-Oriol D. Effects of additional organic micro-minerals and methionine on carcass composition, gait score, bone characteristics, and osteochondrosis in replacement gilts of different growth rate. Anim Feed Sci Technol 2019. [DOI: 10.1016/j.anifeedsci.2019.114262] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Jonsson WO, Margolies NS, Anthony TG. Dietary Sulfur Amino Acid Restriction and the Integrated Stress Response: Mechanistic Insights. Nutrients 2019; 11:nu11061349. [PMID: 31208042 PMCID: PMC6627990 DOI: 10.3390/nu11061349] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2019] [Revised: 06/07/2019] [Accepted: 06/11/2019] [Indexed: 12/17/2022] Open
Abstract
Dietary sulfur amino acid restriction, also referred to as methionine restriction, increases food intake and energy expenditure and alters body composition in rodents, resulting in improved metabolic health and a longer lifespan. Among the known nutrient-responsive signaling pathways, the evolutionary conserved integrated stress response (ISR) is a lesser-understood candidate in mediating the hormetic effects of dietary sulfur amino acid restriction (SAAR). A key feature of the ISR is the concept that a family of protein kinases phosphorylates eukaryotic initiation factor 2 (eIF2), dampening general protein synthesis to conserve cellular resources. This slowed translation simultaneously allows for preferential translation of genes with special sequence features in the 5' leader. Among this class of mRNAs is activating transcription factor 4 (ATF4), an orchestrator of transcriptional control during nutrient stress. Several ATF4 gene targets help execute key processes affected by SAAR such as lipid metabolism, the transsulfuration pathway, and antioxidant defenses. Exploration of the canonical ISR demonstrates that eIF2 phosphorylation is not necessary for ATF4-driven changes in the transcriptome during SAAR. Additional research is needed to clarify the regulation of ATF4 and its gene targets during SAAR.
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Affiliation(s)
- William O Jonsson
- Department of Nutritional Sciences, Rutgers University, New Brunswick, NJ 08901, USA.
| | - Nicholas S Margolies
- Department of Nutritional Sciences, Rutgers University, New Brunswick, NJ 08901, USA.
| | - Tracy G Anthony
- Department of Nutritional Sciences, Rutgers University, New Brunswick, NJ 08901, USA.
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Roles of Lentinula edodes as the pork lean meat replacer in production of the sausage. Meat Sci 2019; 156:44-51. [PMID: 31125946 DOI: 10.1016/j.meatsci.2019.05.016] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2018] [Revised: 05/15/2019] [Accepted: 05/15/2019] [Indexed: 12/11/2022]
Abstract
The effects of substituting pork lean meat with Lentinula edodes (LE) on the physicochemical properties, amino acid content, cooking loss, texture, total phenolic content, antioxidant activity, microstructure, microbiological analysis, and sensory characteristics of sausages were evaluated. Five formulations were used in the production of sausages: the control (the pork lean meat formulation) and the four different samples in which LE substituted 25%, 50%, 75%, and 100% of pork lean meat. The results showed that LE improved the moisture, total dietary fiber, methionine, glutamic, cysteine, and total phenolic content; cooking loss; and antioxidant activity of the sausage. By contrast, LE reduced the levels of protein, ash, pH, as well as the energy level and texture of the sausage. No difference was observed between the treatments for fat content, water activity and microorganisms of sausages. In addition, LE led to slight darkening of the sausages. From the sensory point of view, all modified sausages were considered acceptable, and the pork lean meat with 25% substitution by LE exhibited best sensory characteristics. In a word, LE is a promising ingredient to partially replace the lean meat in sausages.
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Fabà L, Gasa J, Tokach MD, Varella E, Solà-Oriol D. Effects of supplementing organic microminerals and methionine with or without limiting growth during the rearing phase of replacement gilts on lameness, growth, and body composition. Transl Anim Sci 2019; 3:717-730. [PMID: 32704839 PMCID: PMC7200949 DOI: 10.1093/tas/txz038] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2018] [Accepted: 04/15/2019] [Indexed: 11/13/2022] Open
Abstract
Previous research suggested that lameness in growing pigs could be reduced using feeding strategies, such as limiting growth rate and supplementing trace minerals (TM) and (or) methionine (Met). The present study evaluates effects of 1) TM and Met and 2) limiting total lysine (Lys) during the rearing phase (90 d) of gilts (as a means to limit growth rate) on lameness, performance, and sow claw health and productivity (to first parity). Gilts (n = 240; 58.0 ± 11.1 kg body weight [BW]) were blocked, distributed into pens of 10 gilts, and pens were allocated to a 2 × 2 factorial arrangement. Factors were: 1) control or TM plus Met, which provided additional 10, 20, and 50 mg/kg of chelated copper, manganese, and zinc, respectively (0.1%, Aplomotec Plus, Tecnología & Vitaminas, S.L.; Alforja, Spain), and a 1.01 Met:Lys ratio and 2) standard Lys was formulated to meet growth requirements or low Lys to 19% below growth requirements. Feeding was provided through two phases, first between 119 and 163 d of age (phase I) and the second between 163 and 209 d of age (phase II). Diets had 2.43 and 2.31 Mcal net energy/kg for phases I and II, respectively, and were offered ad libitum. Low Lys did not affect feed intake but rather reduced average daily gain (ADG) by 6.35% and the final BW by 3.80% compared with standard Lys (P < 0.001). Low Lys reduced ADG (P < 0.001) and gain:feed (P = 0.012) during phase I but not during phase II. Lameness prevalence was 7.92% during rearing and increased with time (P < 0.001). Final BW (151 kg) and ADG (989 g) were similar (P > 0.05) whether gilts displayed lameness or not. Lameness was low in severity and not affected by dietary factors. However, TM- plus Met-fed gilts were 19.2 kg heavier (P = 0.016) than were control at lameness detection. On the sow farm, there was no evidence for differences in lameness or claw lesions among previous dietary treatments. In conclusion, lameness prevalence during the rearing phase was similar, independent of TM plus Met supplement, low Lys, or the interaction. Insufficient reduction of ADG and low severity in lameness may have limited the potential of dietary treatments. Moreover, a greater deficiency of Lys would be needed to achieve the degree of growth reduction previously reported to lessen lameness through feed restriction.
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Affiliation(s)
- Lluís Fabà
- Animal Nutrition and Welfare Service, Department of Animal and Food Science, Universitat Autònoma de Barcelona, Bellaterra, Spain
| | - Josep Gasa
- Animal Nutrition and Welfare Service, Department of Animal and Food Science, Universitat Autònoma de Barcelona, Bellaterra, Spain
| | - Mike D Tokach
- Department of Animal Sciences and Industry, Kansas State University, Manhattan, KS
| | | | - David Solà-Oriol
- Animal Nutrition and Welfare Service, Department of Animal and Food Science, Universitat Autònoma de Barcelona, Bellaterra, Spain
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14
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Abstract
PURPOSE OF REVIEW Multiple dietary components have the potential to positively affect bone mineral density in early life and reduce loss of bone mass with aging. In addition, regular weight-bearing physical activity has a strong positive effect on bone through activation of osteocyte signaling. We will explore possible synergistic effects of dietary components and mechanical stimuli for bone health by identifying dietary components that have the potential to alter the response of osteocytes to mechanical loading. RECENT FINDINGS Several (sub)cellular aspects of osteocytes determine their signaling towards osteoblasts and osteoclasts in response to mechanical stimuli, such as the osteocyte cytoskeleton, estrogen receptor α, the vitamin D receptor, and the architecture of the lacunocanalicular system. Potential modulators of these features include 1,25-dihydroxy vitamin D3, several forms of vitamin K, and the phytoestrogen genistein. Multiple dietary components potentially affect osteocyte function and therefore may have a synergistic effect on bone health when combined with a regime of physical activity.
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Affiliation(s)
- Hubertine M E Willems
- Department of Preventive Dentistry, Academic Center for Dentistry Amsterdam, Vrije Universiteit Amsterdam and University of Amsterdam, Amsterdam, The Netherlands
| | | | | | - Jenneke Klein-Nulend
- Department of Oral Cell Biology, Academic Center for Dentistry Amsterdam, Vrije Universiteit Amsterdam and University of Amsterdam, Amsterdam Movement Sciences, Gustav Mahlerlaan 3004, 1081 LA, Amsterdam, The Netherlands
| | - Astrid D Bakker
- Department of Oral Cell Biology, Academic Center for Dentistry Amsterdam, Vrije Universiteit Amsterdam and University of Amsterdam, Amsterdam Movement Sciences, Gustav Mahlerlaan 3004, 1081 LA, Amsterdam, The Netherlands.
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15
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Zheng Y, Liao F, Lin X, Zheng F, Fan J, Cui Q, Yang J, Geng B, Cai J. Cystathionine γ-Lyase-Hydrogen Sulfide Induces Runt-Related Transcription Factor 2 Sulfhydration, Thereby Increasing Osteoblast Activity to Promote Bone Fracture Healing. Antioxid Redox Signal 2017; 27:742-753. [PMID: 28158956 PMCID: PMC5586164 DOI: 10.1089/ars.2016.6826] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
AIMS Hydrogen sulfide (H2S) plays an essential role in bone formation, in part, by inhibiting osteoclast differentiation, maintaining mesenchymal stem cell osteogenesis ability, or reducing osteoblast injury. We aimed to investigate the role of H2S in osteoblast function and its possible molecular target. RESULTS In this study, we found that cystathionine γ-lyase (CSE) majorly contributed to endogenous H2S production in the primary osteoblast. Overexpressed CSE increased osteoblast differentiation and maturation with higher bone morphogenetic protein 2 and osteopontin expression, alkaline phosphatase activity, and calcium nodule formation; in contrast, knockdown of CSE had opposite effects. Runt-related transcript factor 2 (RUNX2) is required for osteoblast biologic function. CSE-H2S increased nuclear RUNX2 accumulation, DNA binding activity, and target gene transcription. Protein sulfhydration is a common signal by H2S. We confirmed that RUNX2 was also sulfhydrated by H2S. This chemical modification enhanced RUNX2 transactivation, which was blocked by dithiothreitol (DTT, sulfhydration remover). Mutation of two cysteine sites in the runt domain of RUNX2 abolished H2S-induced RUNX2 sulfhydration and transactivation. In a bone -fracture rat model, overexpressed CSE promoted bone healing, which confirmed the effect of CSE-H2S on osteoblasts. INNOVATION CSE-H2S is a dominant H2S generation system in osteoblasts and promotes osteoblast activity by the RUNX2 pathway, with RUNX2 sulfhydration as a novel transactivation regulation. CONCLUSION CSE-H2S sulfhydrated RUNX2 enhanced its transactivation and increased osteoblast differentiation and maturation, thereby promoting bone healing. Antioxid. Redox Signal. 27, 742-753.
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Affiliation(s)
- Yang Zheng
- 1 Hypertension Center, Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, State Key Laboratory of Cardiovascular Disease, National Center for Cardiovascular Diseases , Beijing, China .,2 Department of Physiology and Pathophysiology, Department of Osteology-Peking University Third Hospital, Center for Noncoding RNA Medicine, Peking University Health Science Center , Beijing, China
| | - Feng Liao
- 2 Department of Physiology and Pathophysiology, Department of Osteology-Peking University Third Hospital, Center for Noncoding RNA Medicine, Peking University Health Science Center , Beijing, China .,3 Department of Orthopedics, Sichuan Provincial People's Hospital, Chengdu , China
| | - Xianjuan Lin
- 2 Department of Physiology and Pathophysiology, Department of Osteology-Peking University Third Hospital, Center for Noncoding RNA Medicine, Peking University Health Science Center , Beijing, China
| | - Fengjiao Zheng
- 2 Department of Physiology and Pathophysiology, Department of Osteology-Peking University Third Hospital, Center for Noncoding RNA Medicine, Peking University Health Science Center , Beijing, China
| | - Jinghui Fan
- 2 Department of Physiology and Pathophysiology, Department of Osteology-Peking University Third Hospital, Center for Noncoding RNA Medicine, Peking University Health Science Center , Beijing, China
| | - Qinghua Cui
- 2 Department of Physiology and Pathophysiology, Department of Osteology-Peking University Third Hospital, Center for Noncoding RNA Medicine, Peking University Health Science Center , Beijing, China
| | - Jichun Yang
- 2 Department of Physiology and Pathophysiology, Department of Osteology-Peking University Third Hospital, Center for Noncoding RNA Medicine, Peking University Health Science Center , Beijing, China
| | - Bin Geng
- 1 Hypertension Center, Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, State Key Laboratory of Cardiovascular Disease, National Center for Cardiovascular Diseases , Beijing, China .,2 Department of Physiology and Pathophysiology, Department of Osteology-Peking University Third Hospital, Center for Noncoding RNA Medicine, Peking University Health Science Center , Beijing, China
| | - Jun Cai
- 1 Hypertension Center, Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, State Key Laboratory of Cardiovascular Disease, National Center for Cardiovascular Diseases , Beijing, China
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16
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Brown-Borg HM, Buffenstein R. Cutting back on the essentials: Can manipulating intake of specific amino acids modulate health and lifespan? Ageing Res Rev 2017; 39:87-95. [PMID: 27570078 DOI: 10.1016/j.arr.2016.08.007] [Citation(s) in RCA: 43] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2016] [Revised: 08/24/2016] [Accepted: 08/24/2016] [Indexed: 12/26/2022]
Abstract
With few exceptions, nutritional and dietary interventions generally impact upon both old-age quality of life and longevity. The life prolonging effects, commonly observed with dietary restriction reportedly are linked to alterations in protein intake and specifically limiting the dietary intake of certain essential amino acids. There is however a paucity of data methodically evaluating the various essential amino acids on health- and lifespan and the mechanisms involved. Rodent diets containing either lower methionine content, or tryptophan, than that found in commercially available chow, appear to elicit beneficial effects. It is unclear whether all of these favorable effects associated with restricted intake of methionine and tryptophan are due to their specific unique properties or if restriction of other essential amino acids, or proteins in general, may produce similar results. Considerably more work remains to be done to elucidate the mechanisms by which limiting these vital molecules may delay the onset of age-associated diseases and improve quality of life at older ages.
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17
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Bozzini C, Viscor G, Kristjánsson JCR, Picasso E, Champin G, Alippi RM, Bozzini CE. Increased intrinsic stiffness and mineralization in femurs of adult rats after high intensity treadmill running training. Biomed Mater Eng 2017; 28:431-441. [PMID: 28869430 DOI: 10.3233/bme-171684] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
BACKGROUND Physical activity plays a tremendous role in determining bone mechanical behavior, which is superimposed to gravidity. OBJECTIVE Compare the geometric and material responses of the rat femur to a high intensity treadmill running training of a relatively short duration, as assessed by 3-point mechanical test. METHODS Mature male rats (180.0 ± 30 g) were assigned (7 rats/group) to no exercise (NE) or treadmill exercise (EX). After a preconditioning period, the running speed was set at 45 cm.seg-1 during 2 wks, frequency 5 d/wk, 2-hour sessions/day. Body weight and weight of the crural quadriceps were registered at euthanasia. The right femur was mechanically tested through 3-point bending. The left femur was ashed to estimate bone mineral content. Geometric and material bone properties were estimated directly or calculated by appropriate equations. RESULTS 1) Final body weight was 14% reduced in EX rats, while the crural quadriceps was 47% increased. Yield and fracture loads, and structural stiffness were significantly higher in the EX rats, as were the apparent elastic modulus, the bone mineral content and the degree of mineralization. Geometric properties were not affected. CONCLUSIONS High intensity treadmill running training increases bone strength and stiffness by increasing material stiffness and mineralization, without affecting geometric bone parameters.
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Affiliation(s)
- Clarisa Bozzini
- Cátedra de Fisiología, Facultad de Odontología, Universidad de Buenos Aires, Argentina. E-mail:
| | - Ginés Viscor
- Departament de Fisiología i Immunología, Universitat de Barcelona, España
| | | | - Emilio Picasso
- Facultad de Ingeniería, Universidad de Buenos Aires, Argentina
| | - Graciela Champin
- Cátedra de Fisiología, Facultad de Odontología, Universidad de Buenos Aires, Argentina. E-mail:
| | - Rosa M Alippi
- Cátedra de Fisiología, Facultad de Odontología, Universidad de Buenos Aires, Argentina. E-mail:
| | - Carlos E Bozzini
- Cátedra de Fisiología, Facultad de Odontología, Universidad de Buenos Aires, Argentina. E-mail:
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Abstract
Methionine restriction (MR) extends lifespan across different species. The main responses of rodent models to MR are well-documented in adipose tissue (AT) and liver, which have reduced mass and improved insulin sensitivity, respectively. Recently, molecular mechanisms that improve healthspan have been identified in both organs during MR. In fat, MR induced a futile lipid cycle concomitant with beige AT accumulation, producing elevated energy expenditure. In liver, MR upregulated fibroblast growth factor 21 and improved glucose metabolism in aged mice and in response to a high-fat diet. Furthermore, MR also reduces mitochondrial oxidative stress in various organs such as liver, heart, kidneys, and brain. Other effects of MR have also been reported in such areas as cardiac function in response to hyperhomocysteinemia (HHcy), identification of molecular mechanisms in bone development, and enhanced epithelial tight junction. In addition, rodent models of cancer responded positively to MR, as has been reported in colon, prostate, and breast cancer studies. The beneficial effects of MR have also been documented in a number of invertebrate model organisms, including yeast, nematodes, and fruit flies. MR not only promotes extended longevity in these organisms, but in the case of yeast has also been shown to improve stress tolerance. In addition, expression analyses of yeast and Drosophila undergoing MR have identified multiple candidate mediators of the beneficial effects of MR in these models. In this review, we emphasize other in vivo effects of MR such as in cardiovascular function, bone development, epithelial tight junction, and cancer. We also discuss the effects of MR in invertebrates.
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19
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Plummer J, Park M, Perodin F, Horowitz MC, Hens JR. Methionine-Restricted Diet Increases miRNAs That Can Target RUNX2 Expression and Alters Bone Structure in Young Mice. J Cell Biochem 2016; 118:31-42. [PMID: 27191548 DOI: 10.1002/jcb.25604] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2016] [Accepted: 05/17/2016] [Indexed: 12/21/2022]
Abstract
Dietary methionine restriction (MR) increases longevity and improves healthspan in rodent models. Young male C57BL/6J mice were placed on MR to assess effects on bone structure and formation. Mice were fed diets containing 0.86% or 0.12% methionine for 5 weeks. Fasting blood plasma was analyzed for metabolic and bone-related biomarkers. Tibiae were analyzed by histomorphometry, while femurs were analyzed by micro-CT and biomechanically using 4-point bending. MR mice had reduced plasma glucose and insulin, while FGF21 and FGF23 increased. Plasma levels of osteocalcin and osteoprotegrin were unaffected, but sclerostin and procollagen I decreased. MR induced bone marrow fat accretion, antithetical to the reduced fat depots seen throughout the body. Cortical bone showed significant decreases in Bone Tissue Density (BTD). In trabecular bone, mice had decreased BTD, bone surface, trabecula and bone volume, and trabecular thickness.. Biomechanical testing showed that on MR, bones were significantly less stiff and had reduced maximum load and total work, suggesting greater fragility. Reduced expression of RUNX2 occurred in bone marrow of MR mice. These results suggest that MR alters bone remodeling and apposition. In MR mice, miR-31 in plasma and liver, and miR-133a, miR-335-5p, and miR-204 in the bone marrow was elevated. These miRNAs were shown previously to target and regulate Osterix and RUNX2 in bone, which could inhibit osteoblast differentiation and function. Therefore, dietary MR in young animals alters bone structure by increasing miRNAs in bone and liver that can target RUNX2. J. Cell. Biochem. 118: 31-42, 2017. © 2016 Wiley Periodicals, Inc.
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Affiliation(s)
- Jason Plummer
- Orentreich Foundation for the Advancement of Science, Inc., Cold Spring, New York
| | - Miri Park
- Orentreich Foundation for the Advancement of Science, Inc., Cold Spring, New York
| | - Frantz Perodin
- Orentreich Foundation for the Advancement of Science, Inc., Cold Spring, New York
| | - Mark C Horowitz
- Department of Orthopaedics and Rehabilitation, Yale School of Medicine, New Haven, Connecticut
| | - Julie R Hens
- Orentreich Foundation for the Advancement of Science, Inc., Cold Spring, New York
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20
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McIsaac RS, Lewis KN, Gibney PA, Buffenstein R. From yeast to human: exploring the comparative biology of methionine restriction in extending eukaryotic life span. Ann N Y Acad Sci 2016; 1363:155-70. [DOI: 10.1111/nyas.13032] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2015] [Revised: 01/25/2016] [Accepted: 01/27/2016] [Indexed: 12/19/2022]
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21
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Ables GP, Hens JR, Nichenametla SN. Methionine restriction beyond life-span extension. Ann N Y Acad Sci 2016; 1363:68-79. [DOI: 10.1111/nyas.13014] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2015] [Revised: 01/06/2016] [Accepted: 01/11/2016] [Indexed: 12/26/2022]
Affiliation(s)
- Gene P. Ables
- Orentreich Foundation for the Advancement of Science; Cold Spring New York
| | - Julie R. Hens
- Orentreich Foundation for the Advancement of Science; Cold Spring New York
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22
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Huang TH, Ables GP. Dietary restrictions, bone density, and bone quality. Ann N Y Acad Sci 2016; 1363:26-39. [PMID: 26881697 DOI: 10.1111/nyas.13004] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2015] [Revised: 12/08/2015] [Accepted: 12/16/2015] [Indexed: 02/06/2023]
Abstract
Caloric restriction (CR), protein restriction (PR), and specific amino acid restriction (e.g., methionine restriction (MR)) are different dietary interventions that have been confirmed with regard to their comprehensive benefits to metabolism and health. Based on bone densitometric measurements, weight loss induced by dietary restriction is known to be accompanied by reduced areal bone mineral density, bone mass, and/or bone size, and it is considered harmful to bone health. However, because of technological advancements in bone densitometric instruments (e.g., high-resolution X-ray tomography), dietary restrictions have been found to cause a reduction in bone mass/size rather than volumetric bone mineral density. Furthermore, when considering bone quality, bone health consists of diverse indices that cannot be fully represented by densitometric measurements alone. Indeed, there is evidence that moderate dietary restrictions do not impair intrinsic bone material properties, despite the reduction in whole-bone strength because of a smaller bone size. In the present review, we integrate research evidence from traditional densitometric measurements, metabolic status assays (e.g., energy metabolism, oxidative stresses, and inflammatory responses), and biomaterial analyses to provide revised conclusions regarding the effects of CR, PR, and MR on the skeleton.
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Affiliation(s)
- Tsang-hai Huang
- Laboratory of Exercise, Nutrition and Bone Biology, Institute of Physical Education, Health and Leisure Studies, National Cheng Kung University, Tainan, Taiwan
| | - Gene P Ables
- Orentreich Foundation for the Advancement of Science, Cold Spring-on-Hudson, New York
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23
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Ouattara A, Cooke D, Gopalakrishnan R, Huang TH, Ables GP. Methionine restriction alters bone morphology and affects osteoblast differentiation. Bone Rep 2016; 5:33-42. [PMID: 28326345 PMCID: PMC4926829 DOI: 10.1016/j.bonr.2016.02.002] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/29/2015] [Revised: 01/20/2016] [Accepted: 02/08/2016] [Indexed: 12/22/2022] Open
Abstract
Methionine restriction (MR) extends the lifespan of a wide variety of species, including rodents, drosophila, nematodes, and yeasts. MR has also been demonstrated to affect the overall growth of mice and rats. The objective of this study was to evaluate the effect of MR on bone structure in young and aged male and female C57BL/6J mice. This study indicated that MR affected the growth rates of males and young females, but not aged females. MR reduced volumetric bone mass density (vBMD) and bone mineral content (BMC), while bone microarchitecture parameters were decreased in males and young females, but not in aged females compared to control-fed (CF) mice. However, when adjusted for bodyweight, the effect of MR in reducing vBMD, BMC and microarchitecture measurements was either attenuated or reversed suggesting that the smaller bones in MR mice is appropriate for its body size. In addition, CF and MR mice had similar intrinsic strength properties as measured by nanoindentation. Plasma biomarkers suggested that the low bone mass in MR mice could be due to increased collagen degradation, which may be influenced by leptin, IGF-1, adiponectin and FGF21 hormone levels. Mouse preosteoblast cell line cultured under low sulfur amino acid growth media attenuated gene expression levels of Col1al, Runx2, Bglap, Alpl and Spp1 suggesting delayed collagen formation and bone differentiation. Collectively, our studies revealed that MR altered bone morphology which could be mediated by delays in osteoblast differentiation. MR affected the growth rates of males and young females, but not aged females. CF and MR mice had similar intrinsic strength properties. Low methionine media attenuated bone differentiation genes in MC3T3-E1 preosteoblast cells. The lower bone mass in MR mice is appropriate for its smaller body size.
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Key Words
- Aged mice
- BMC, bone mineral content
- BS, bone surface
- BV, bone volume
- CF, control-fed
- CTX-1, C-terminal telopeptide of type 1 collagen
- Conn.Dn., connectivity density
- FGF21, fibroblast growth factor-21
- HFD, high-fat diet
- HHCy, hyperhomocysteinemia
- IDI, indentation depth increase
- IGF-1, insulin-like growth factor-1
- Imax, maximal MOI
- Imin, minimal MOI
- LPD, low protein diet
- MC3T3-E1 subclone 4
- MOI, moment of inertia
- MR, methionine restriction
- Methionine restriction
- Micro-computed tomography
- Nanoindentation
- OC, osteocalcin
- OPG, osteoprotegerin
- P1NP, N-terminal propeptide of type 1 procollagen
- RANKL, receptor activator for nuclear factor κB ligand
- SMI, structure model index
- TV, total volume
- Tb.N, trabecular number
- Tb.Sp, trabecular separation
- Tb.Th, trabecular thickness
- pMOI, polar MOI
- vBMD, volumetric bone mass density
- μCT, micro-computed tomography
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Affiliation(s)
- Amadou Ouattara
- Orentreich Foundation for the Advancement of Science, Inc, 855 Route 301, Cold Spring, NY 10516, USA
| | - Diana Cooke
- Orentreich Foundation for the Advancement of Science, Inc, 855 Route 301, Cold Spring, NY 10516, USA
| | - Raj Gopalakrishnan
- School of Dentistry, University of Minnesota, Minneapolis, MN 55455, USA
| | - Tsang-hai Huang
- Institute of Physical Education, Health and Leisure Studies, National Cheng Kung University, Tainan City, Taiwan
| | - Gene P. Ables
- Orentreich Foundation for the Advancement of Science, Inc, 855 Route 301, Cold Spring, NY 10516, USA
- Corresponding author at: Orentreich Foundation for the Advancement of Science, Inc., 855 Route 301, Cold Spring, NY 10516, USA.Orentreich Foundation for the Advancement of Science, Inc.855 Route 301Cold SpringNY10516USA
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Huang TH, Su IH, Lewis JL, Chang MS, Hsu AT, Perrone CE, Ables GP. Effects of methionine restriction and endurance exercise on bones of ovariectomized rats: a study of histomorphometry, densitometry, and biomechanical properties. J Appl Physiol (1985) 2015; 119:517-26. [DOI: 10.1152/japplphysiol.00395.2015] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2015] [Accepted: 07/07/2015] [Indexed: 12/31/2022] Open
Abstract
To investigate the effects of dietary methionine restriction (MetR) and endurance exercise on bone quality under a condition of estrogen deficiency, female Sprague-Dawley rats (36-wk-old) were assigned to a sham surgery group or one of five ovariectomized groups subjected to interventions of no treatment (Ovx), endurance exercise (Exe), methionine restriction (MetR), methionine restriction plus endurance exercise (MetR + Exe), and estrogen treatment (Est). Rats in the exercise groups were subjected to a treadmill running regimen. MetR and control diets contained 0.172 and 0.86% methionine, respectively. After the 12-wk intervention, all animals were killed, and serum and bone tissues were collected for analyses. Compared with estrogen treatment, MetR diet and endurance exercise showed better or equivalent efficiency in reducing body weight gain caused by ovariectomy ( P < 0.05). Whereas only the Est group showed evidence for reduced bone turnover compared with the Ovx group, MetR diet and/or endurance exercise demonstrated efficiencies in downregulating serum insulin, leptin, triglyceride, and thiobarbituric acid reactive substances ( P < 0.05). Both the Exe and MetR groups showed higher femoral cortical and total volumetric bone mineral density (vBMD), but only the Exe and Est groups preserved cancellous bone volume and/or vBMD of distal femora ( P < 0.05) compared with the Ovx group. After being normalized to body mass, femora of the MetR and MetR + Exe groups had relatively higher bending strength and dimension values followed by the Sham, Exe, and Est groups ( P < 0.05). In conclusion, both MetR diet and endurance exercise improved cortical bone properties, but only endurance exercise preserved cancellous bone under estrogen deficiency.
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Affiliation(s)
- Tsang-Hai Huang
- Institute of Physical Education, Health and Leisure Studies, National Cheng Kung University, Tainan, Taiwan
| | - I-Hsiu Su
- Institute of Physical Education, Health and Leisure Studies, National Cheng Kung University, Tainan, Taiwan
| | - Jack L. Lewis
- Department of Orthopaedic Surgery, University of Minnesota, Minneapolis, Minnesota
| | - Ming-Shi Chang
- Department of Biochemistry and Molecular Biology, National Cheng Kung University, Tainan, Taiwan
| | - Ar-Tyan Hsu
- Department of Physical Therapy, National Cheng Kung University, Tainan, Taiwan; and
| | - Carmen E. Perrone
- Orentreich Foundation for the Advancement of Science, Cold Spring-on-Hudson, New York
| | - Gene P. Ables
- Orentreich Foundation for the Advancement of Science, Cold Spring-on-Hudson, New York
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25
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Gomez A, Gomez J, Torres ML, Naudi A, Mota-Martorell N, Pamplona R, Barja G. Cysteine dietary supplementation reverses the decrease in mitochondrial ROS production at complex I induced by methionine restriction. J Bioenerg Biomembr 2015; 47:199-208. [DOI: 10.1007/s10863-015-9608-x] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2015] [Accepted: 03/05/2015] [Indexed: 01/24/2023]
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