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Varma S, Molangiri A, Mudavath S, Ananthan R, Rajanna A, Duttaroy AK, Basak S. Exposure to BPA and BPS during pregnancy disrupts the bone mineralization in the offspring. Food Chem Toxicol 2024; 189:114772. [PMID: 38821392 DOI: 10.1016/j.fct.2024.114772] [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: 02/10/2024] [Revised: 05/03/2024] [Accepted: 05/27/2024] [Indexed: 06/02/2024]
Abstract
Exposure to plastic-derived estrogen-mimicking endocrine-disrupting bisphenols can have a long-lasting effect on bone health. However, gestational exposure to bisphenol A (BPA) and its analogue, bisphenol S (BPS), on offspring's bone mineralization is unclear. The effects of in-utero bisphenol exposure were examined on the offspring's bone parameters. BPA and BPS (0.0, 0.4 μg/kg bw) were administered to pregnant Wistar rats via oral gavage from gestational day 4-21. Maternal exposure to BPA and BPS increased bone mineral content and density in the offspring aged 30 and 90 days (P < 0.05). Plasma analysis revealed that alkaline phosphatase, and Gla-type osteocalcin were significantly elevated in the BPS-exposed offspring (P < 0.05). The expression of BMP1, BMP4, and their signaling mediators SMAD1 mRNAs were decreased in BPS-exposed osteoblast SaOS-2 cells (P < 0.05). The expression of extracellular matrix proteins such as ALPL, COL1A1, DMP1, and FN1 were downregulated (P < 0.05). Bisphenol co-incubation with noggin decreased TGF-β1 expression, indicating its involvement in bone mineralization. Altered mineralization could be due to dysregulated expression of bone morphogenetic proteins and signalling mediators in the osteoblast cells. Thus, bisphenol exposure during gestation altered growth and bone mineralization in the offspring, possibly by modulating the expression of Smad-dependent BMP/TGF-β1 signalling mediators.
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Affiliation(s)
- Saikanth Varma
- Molecular Biology Division, ICMR-National Institute of Nutrition, Indian Council of Medical Research, Hyderabad, India
| | - Archana Molangiri
- Molecular Biology Division, ICMR-National Institute of Nutrition, Indian Council of Medical Research, Hyderabad, India
| | - Sreedhar Mudavath
- Food Chemistry Division, ICMR-National Institute of Nutrition, Indian Council of Medical Research, Hyderabad, India
| | - Rajendran Ananthan
- Food Chemistry Division, ICMR-National Institute of Nutrition, Indian Council of Medical Research, Hyderabad, India
| | - Ajumeera Rajanna
- Cell Biology Division, ICMR-National Institute of Nutrition, Indian Council of Medical Research, Hyderabad, India
| | - Asim K Duttaroy
- Department of Nutrition, Institute of Basic Medical Sciences, Faculty of Medicine, University of Oslo, Oslo, Norway
| | - Sanjay Basak
- Molecular Biology Division, ICMR-National Institute of Nutrition, Indian Council of Medical Research, Hyderabad, India.
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Enhancing Orthopedic Surgery and Treatment Using Artificial Intelligence and Its Application in Health and Dietary Welfare. J FOOD QUALITY 2022. [DOI: 10.1155/2022/7734650] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
The current decade has seen an increased usage of high-end digital technologies like machine learning in the field of health care services which enable in supporting and performing different functions with less or no human interventions. The application of machine learning tools in the orthopedic area is gaining more popularity as it can support in analyzing the issues in a more comprehensive manner, provide accurate data, support in forecasting the pattern. It enables offering critical information for taking quick decisions by the medical practitioners in order to enhance the health and dietary care service delivery. The ML tools can support in collecting patient centric data related to orthopedic surgery and also estimate the postoperative complications, level of treatment modalities to be provided, and guide the medical practitioners in taking effective clinical device decisions. The ML approach also supports in providing prediction methods of implementing the ortho surgical outcomes. Furthermore, it can also guide in making better treatment procedures, forecast the patterns, and stream the health care management services for better patient recovery. This study implements a quantitative research approach which will support in sourcing the data from the respondents who are currently working as medical practitioners, orthopedic experts, and radiologists who use ML-based models in making critical decisions related to orthopedic surgery. The researchers chose nearly 149 respondents, and the information was analysed using the IBM SPSS package for gaining critical interpretation. The major analyses cover descriptive analysis, regression analysis, and analysis of variances.
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Han X, Feng Z, Chen Y, Zhu L, Li X, Wang X, Sun H, Li J. Effects of High-Fructose Corn Syrup on Bone Health and Gastrointestinal Microbiota in Growing Male Mice. Front Nutr 2022; 9:829396. [PMID: 35433775 PMCID: PMC9005738 DOI: 10.3389/fnut.2022.829396] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Accepted: 03/07/2022] [Indexed: 01/21/2023] Open
Abstract
Here, we explored the correlation between gut microbiota and bone health and the effects of high-fructose corn syrup (HFCS) on both. Sixteen 3-week-old male C57BL/6J mice were randomly divided into two groups and given purified water (control group) or 30% HFCS in water (HFCS group) for 16 weeks. The effects of HFCS were assessed via enzyme-linked immunosorbent assays, histopathological assays of colon and bone, and 16S rDNA sequence analysis of gut microbiota. The serum of HFCS group mice had lower levels of bone alkaline phosphatase (BALP), bone Gla protein (BGP), insulin-like growth factor 1 (IGF-1), and testosterone, and higher levels of type I collagen carboxyl-terminal telopeptide (ICTP) and tartrate-resistant acid phosphatase (TRAP) than that of the control group. HFCS caused trabecular bone damage by decreasing trabecular number and thickness and increasing trabecular separation. The HFCS group colons were shorter than the control group colons. The HFCS-fed mice showed mild, localized shedding of epithelial cells in the mucosal layer, focal lymphocytic infiltration of the lamina propria, mild submucosal edema, and loosely arranged connective tissue. The HFCS group displayed lower abundance and altered composition of gut microbiota. The abundance of Defluviitaleaceae UCG-011, Erysipelatoclostridium, Ruminococcaceae UCG-009, Lactobacillus, Blautia, and Parasutterella increased, positively correlating with BALP, BGP, IGF-1, and testosterone levels, and negatively correlating with ICTP and TRAP levels. Our study revealed a potential diet-gut microbiota-bone health axis.
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Affiliation(s)
- Xiaoqiang Han
- Department of Orthopedics, The First Hospital of Shanxi Medical University, Taiyuan, China
| | - Zhiguo Feng
- First Clinical Medical College, Shanxi Medical University, Taiyuan, China
| | - Yizhang Chen
- First Clinical Medical College, Shanxi Medical University, Taiyuan, China
| | - Liying Zhu
- Institute of Food Science, Zhejiang Academy of Agricultural Sciences, Hangzhou, China
| | - Xiaoqiong Li
- Institute of Food Science, Zhejiang Academy of Agricultural Sciences, Hangzhou, China
| | - Xin Wang
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, Zhejiang Academy of Agricultural Sciences, Hangzhou, China
| | - Haibiao Sun
- Department of Orthopedics, The First Hospital of Shanxi Medical University, Taiyuan, China
- *Correspondence: Haibiao Sun,
| | - Jinjun Li
- Institute of Food Science, Zhejiang Academy of Agricultural Sciences, Hangzhou, China
- Jinjun Li,
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Rinonapoli G, Pace V, Ruggiero C, Ceccarini P, Bisaccia M, Meccariello L, Caraffa A. Obesity and Bone: A Complex Relationship. Int J Mol Sci 2021; 22:ijms222413662. [PMID: 34948466 PMCID: PMC8706946 DOI: 10.3390/ijms222413662] [Citation(s) in RCA: 65] [Impact Index Per Article: 21.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2021] [Revised: 12/13/2021] [Accepted: 12/13/2021] [Indexed: 12/29/2022] Open
Abstract
There is a large literature on the relationship between obesity and bone. What we can conclude from this review is that the increase in body weight causes an increase in BMD, both for a mechanical effect and for the greater amount of estrogens present in the adipose tissue. Nevertheless, despite an apparent strengthening of the bone witnessed by the increased BMD, the risk of fracture is higher. The greater risk of fracture in the obese subject is due to various factors, which are carefully analyzed by the Authors. These factors can be divided into metabolic factors and increased risk of falls. Fractures have an atypical distribution in the obese, with a lower incidence of typical osteoporotic fractures, such as those of hip, spine and wrist, and an increase in fractures of the ankle, upper leg, and humerus. In children, the distribution is different, but it is not the same in obese and normal-weight children. Specifically, the fractures of the lower limb are much more frequent in obese children. Sarcopenic obesity plays an important role. The authors also review the available literature regarding the effects of high-fat diet, weight loss and bariatric surgery.
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Affiliation(s)
- Giuseppe Rinonapoli
- Orthopaedic and Traumatology Unit, Department of Medicine, University of Perugia, 06156 Perugia, Italy; (V.P.); (P.C.); (A.C.)
- Correspondence:
| | - Valerio Pace
- Orthopaedic and Traumatology Unit, Department of Medicine, University of Perugia, 06156 Perugia, Italy; (V.P.); (P.C.); (A.C.)
| | - Carmelinda Ruggiero
- Orthogeriatric Service, Geriatric Unit, Institute of Gerontology and Geriatrics, Department of Medicine, University of Perugia, 06156 Perugia, Italy;
| | - Paolo Ceccarini
- Orthopaedic and Traumatology Unit, Department of Medicine, University of Perugia, 06156 Perugia, Italy; (V.P.); (P.C.); (A.C.)
| | - Michele Bisaccia
- Department of Orthopaedics and Traumatology, AORN San Pio “Gaetano Rummo Hospital”, Via R.Delcogliano, 82100 Benevento, Italy; (M.B.); (L.M.)
| | - Luigi Meccariello
- Department of Orthopaedics and Traumatology, AORN San Pio “Gaetano Rummo Hospital”, Via R.Delcogliano, 82100 Benevento, Italy; (M.B.); (L.M.)
| | - Auro Caraffa
- Orthopaedic and Traumatology Unit, Department of Medicine, University of Perugia, 06156 Perugia, Italy; (V.P.); (P.C.); (A.C.)
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Jensen VFH, Mølck AM, Dalgaard M, McGuigan FE, Akesson KE. Changes in bone mass associated with obesity and weight loss in humans: Applicability of animal models. Bone 2021; 145:115781. [PMID: 33285255 DOI: 10.1016/j.bone.2020.115781] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/22/2020] [Revised: 11/05/2020] [Accepted: 11/27/2020] [Indexed: 12/21/2022]
Abstract
The implications of obesity and weight loss for human bone health are not well understood. Although the bone changes associated with weight loss are similar in humans and rodents, that is not the case for obesity. In humans, obesity is generally associated with increased bone mass, an outcome which is exacerbated by advanced age and menopause. In rodents, by contrast, bone mass decreases in proportion to severity and duration of obesity, and is influenced by sex, age and mechanical load. Despite these discrepancies, rodents are frequently used to model the situation in humans. In this review, we summarise the existing knowledge of the effects of obesity and weight loss on bone mass in humans and rodents, focusing on the translatability of findings from animal models. We then describe how animal models should be used to broaden the understanding of the relationship between obesity, weight loss, and skeletal health in humans. Specifically, we highlight the aspects of study design that should be considered to optimise translatability of the rodent models of obesity and weight loss. Notably, the sex, age, and nutritional status of the animals should ideally match those of interest in humans. With these caveats in mind, and depending on the research question asked, our review underscores that animal models can provide valuable information for obesity and weight-management research.
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Affiliation(s)
- Vivi F H Jensen
- Lund University, Department of Clinical Sciences Malmö and Skåne University Hospital, Department of Orthopedics, Inga Marie Nilssons Gata 22, 205 02 Malmö, Sweden.
| | - Anne-Marie Mølck
- Novo Nordisk A/S, Department of Safety Sciences, Imaging & Data Management, Novo Nordisk Park 1, 2760 Maaloev, Denmark
| | - Majken Dalgaard
- Novo Nordisk A/S, Department of Safety Sciences, Imaging & Data Management, Novo Nordisk Park 1, 2760 Maaloev, Denmark
| | - Fiona E McGuigan
- Lund University, Department of Clinical Sciences Malmö and Skåne University Hospital, Department of Orthopedics, Inga Marie Nilssons Gata 22, 205 02 Malmö, Sweden
| | - Kristina E Akesson
- Lund University, Department of Clinical Sciences Malmö and Skåne University Hospital, Department of Orthopedics, Inga Marie Nilssons Gata 22, 205 02 Malmö, Sweden
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Luo H, Wu H, Tan X, Ye Y, Huang L, Dai H, Mei L. Osteopenic effects of high-fat diet-induced obesity on mechanically induced alveolar bone remodeling. Oral Dis 2020; 27:1243-1256. [PMID: 32989808 DOI: 10.1111/odi.13651] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2020] [Revised: 08/20/2020] [Accepted: 09/07/2020] [Indexed: 11/27/2022]
Abstract
OBJECTIVES The aim of the study was to investigate the effect of obesity on the tissue and molecular reactions of alveolar bone in response to orthodontic force and its underlying mechanisms. METHODS Sixty-four rats were randomly divided into normal diet (ND) and high-fat diet (HFD) groups for eight weeks of dietary treatment. OTM was induced using nickel-titanium springs between the upper left first molar and incisor. After 1, 3, 7, and 14 days of OTM, the maxillary alveolar bone and gingival tissues were harvested and analyzed. RESULTS Compared with the ND rats, the HFD rats had greater OTM distance, serum levels of tartrate-resistant acid phosphatase (TRAP), and tumor necrosis factor α (TNF-α), as well as significant alveolar bone loss and bone architecture deterioration on both the compression and tension sides (p < .05 for all). This response was linked to the increased osteoclast numbers and functional activity and decreased osteoblast activity in the periodontal ligament, gingival tissue, and alveolar bone. CONCLUSIONS HFD-induced obesity promoted mechanically induced alveolar bone remodeling and detrimental changes in alveolar bone microstructure by increasing osteoclastogenesis and regulating inflammatory cytokine expression. The increased alveolar bone remodeling in the obese rats lead to an accelerated OTM.
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Affiliation(s)
- Hong Luo
- Department of Orthodontics, Stomatological Hospital of Chongqing Medical University, Chongqing, People's Republic of China.,Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Stomatological Hospital of Chongqing Medical University, Chongqing, People's Republic of China
| | - Hongyan Wu
- Department of Orthodontics, Stomatological Hospital of Chongqing Medical University, Chongqing, People's Republic of China.,Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Stomatological Hospital of Chongqing Medical University, Chongqing, People's Republic of China
| | - Xi Tan
- Department of Orthodontics, Stomatological Hospital of Chongqing Medical University, Chongqing, People's Republic of China.,Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Stomatological Hospital of Chongqing Medical University, Chongqing, People's Republic of China
| | - Yusi Ye
- Department of Orthodontics, Stomatological Hospital of Chongqing Medical University, Chongqing, People's Republic of China.,Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Stomatological Hospital of Chongqing Medical University, Chongqing, People's Republic of China
| | - Lan Huang
- Department of Orthodontics, Stomatological Hospital of Chongqing Medical University, Chongqing, People's Republic of China.,Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Stomatological Hospital of Chongqing Medical University, Chongqing, People's Republic of China
| | - Hongwei Dai
- Department of Orthodontics, Stomatological Hospital of Chongqing Medical University, Chongqing, People's Republic of China.,Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Stomatological Hospital of Chongqing Medical University, Chongqing, People's Republic of China
| | - Li Mei
- Department of Oral Sciences, Sir John Walsh Research Institute, Faculty of Dentistry, University of Otago, Dunedin, New Zealand
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7
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King S, Baptiston Tanaka C, Ross D, Kruzic JJ, Levinger I, Klineberg I, Brennan-Speranza TC. A diet high in fat and fructose adversely affects osseointegration of titanium implants in rats. Clin Exp Dent Res 2019; 6:107-116. [PMID: 32067396 PMCID: PMC7025982 DOI: 10.1002/cre2.255] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2019] [Revised: 09/02/2019] [Accepted: 09/10/2019] [Indexed: 12/18/2022] Open
Abstract
Objectives Diet‐induced metabolic dysfunction such as type 2 diabetes mellitus increases the risk of implant failure in both dental and orthopaedic settings. We hypothesised that a diet high in fat and fructose would adversely affect peri‐implant bone structure and function including osseointegration. Materials and methods Thirty female Sprague‐Dawley rats were divided into three groups (n = 10), control group (normal chow) and two intervention groups on a high‐fat (60%), high‐fructose (20%; HFHF) diet. Titanium implants were placed in the proximal tibial metaphysis in all groups either before commencing the diet (dHFHF group) or 6 weeks after commencing the diet (HFHF group) and observed for an 8‐week healing period. Fasting blood glucose levels (fBGLs) were measured weekly. Structural and functional features of the peri‐implant bone, including bone‐to‐implant contact (BIC), were analysed post euthanasia using microcomputed tomography, pull‐out tests, and dynamic histomorphometry. Results The fBGLs were unchanged across all groups. Peri‐implant trabecular bone volume was reduced in the HFHF group compared with controls (p = .02). Percentage BIC was reduced in both HFHF group (25.42 ± 3.61) and dHFHF group (28.56 ± 4.07) compared with the control group (43.26 ± 3.58, p < .05) and reflected the lower pull‐out loads required in those groups. Osteoblast activity was reduced in both intervention groups compared with the control group (p < .05). Conclusion The HFHF diet compromised osseointegration regardless of whether the implant was placed before or after the onset of the diet and, despite the absence of elevated fBGLs, confirming that changes in bone cell function affected both the initiation and maintenance of osseointegration independent of blood glucose levels.
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Affiliation(s)
- Shalinie King
- Sydney Dental School, Faculty of Medicine and Health, The University of Sydney, Sydney, New South Wales, Australia
| | - Carina Baptiston Tanaka
- School of Mechanical and Manufacturing Engineering, UNSW Sydney, Sydney, New South Wales, Australia
| | - Dean Ross
- Department of Physiology and Bosch Institute for Medical Research, The University of Sydney, Sydney, New South Wales, Australia
| | - Jamie J Kruzic
- School of Mechanical and Manufacturing Engineering, UNSW Sydney, Sydney, New South Wales, Australia
| | - Itamar Levinger
- Institute for Health and Sport (IHES), Victoria University, Melbourne, Victoria, Australia.,Australian Institute for Musculoskeletal Science (AIMSS), Department of Medicine-Western Health, Melbourne Medical School, The University of Melbourne, Melbourne, Victoria, Australia
| | - Iven Klineberg
- Sydney Dental School, Faculty of Medicine and Health, The University of Sydney, Sydney, New South Wales, Australia
| | - Tara C Brennan-Speranza
- Department of Physiology and Bosch Institute for Medical Research, The University of Sydney, Sydney, New South Wales, Australia
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Desmoulins L, Chrétien C, Paccoud R, Collins S, Cruciani-Guglielmacci C, Galinier A, Liénard F, Quinault A, Grall S, Allard C, Fenech C, Carneiro L, Mouillot T, Fournel A, Knauf C, Magnan C, Fioramonti X, Pénicaud L, Leloup C. Mitochondrial Dynamin-Related Protein 1 (DRP1) translocation in response to cerebral glucose is impaired in a rat model of early alteration in hypothalamic glucose sensing. Mol Metab 2019; 20:166-177. [PMID: 30553770 PMCID: PMC6358535 DOI: 10.1016/j.molmet.2018.11.007] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/11/2018] [Revised: 11/19/2018] [Accepted: 11/22/2018] [Indexed: 02/08/2023] Open
Abstract
OBJECTIVE Hypothalamic glucose sensing (HGS) initiates insulin secretion (IS) via a vagal control, participating in energy homeostasis. This requires mitochondrial reactive oxygen species (mROS) signaling, dependent on mitochondrial fission, as shown by invalidation of the hypothalamic DRP1 protein. Here, our objectives were to determine whether a model with a HGS defect induced by a short, high fat-high sucrose (HFHS) diet in rats affected the fission machinery and mROS signaling within the mediobasal hypothalamus (MBH). METHODS Rats fed a HFHS diet for 3 weeks were compared with animals fed a normal chow. Both in vitro (calcium imaging) and in vivo (vagal nerve activity recordings) experiments to measure the electrical activity of isolated MBH gluco-sensitive neurons in response to increased glucose level were performed. In parallel, insulin secretion to a direct glucose stimulus in isolated islets vs. insulin secretion resulting from brain glucose stimulation was evaluated. Intra-carotid glucose load-induced hypothalamic DRP1 translocation to mitochondria and mROS (H2O2) production were assessed in both groups. Finally, compound C was intracerebroventricularly injected to block the proposed AMPK-inhibited DRP1 translocation in the MBH to reverse the phenotype of HFHS fed animals. RESULTS Rats fed a HFHS diet displayed a decreased HGS-induced IS. Responses of MBH neurons to glucose exhibited an alteration of their electrical activity, whereas glucose-induced insulin secretion in isolated islets was not affected. These MBH defects correlated with a decreased ROS signaling and glucose-induced translocation of the fission protein DRP1, as the vagal activity was altered. AMPK-induced inhibition of DRP1 translocation increased in this model, but its reversal through the injection of the compound C, an AMPK inhibitor, failed to restore HGS-induced IS. CONCLUSIONS A hypothalamic alteration of DRP1-induced fission and mROS signaling in response to glucose was observed in HGS-induced IS of rats exposed to a 3 week HFHS diet. Early hypothalamic modifications of the neuronal activity could participate in a primary defect of the control of IS and ultimately, the development of diabetes.
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Affiliation(s)
- Lucie Desmoulins
- Centre des Sciences du Goût et de l'Alimentation, UMR CNRS 6265, INRA 1324, AgroSup, Univ. Bourgogne Franche-Comté, F-21000 Dijon, France.
| | - Chloé Chrétien
- Centre des Sciences du Goût et de l'Alimentation, UMR CNRS 6265, INRA 1324, AgroSup, Univ. Bourgogne Franche-Comté, F-21000 Dijon, France.
| | - Romain Paccoud
- Centre des Sciences du Goût et de l'Alimentation, UMR CNRS 6265, INRA 1324, AgroSup, Univ. Bourgogne Franche-Comté, F-21000 Dijon, France.
| | - Stephan Collins
- Centre des Sciences du Goût et de l'Alimentation, UMR CNRS 6265, INRA 1324, AgroSup, Univ. Bourgogne Franche-Comté, F-21000 Dijon, France.
| | - Céline Cruciani-Guglielmacci
- CNRS UMR 8251, Unit of Functional and Adaptive Biology, Paris, France; Department of Physiology, Université Paris Diderot, Paris, France.
| | - Anne Galinier
- STROMALab, UMR CNRS 5273, EFS Pyrénées-Méditerranée, Université Paul Sabatier, Toulouse, France.
| | - Fabienne Liénard
- Centre des Sciences du Goût et de l'Alimentation, UMR CNRS 6265, INRA 1324, AgroSup, Univ. Bourgogne Franche-Comté, F-21000 Dijon, France.
| | - Aurore Quinault
- Centre des Sciences du Goût et de l'Alimentation, UMR CNRS 6265, INRA 1324, AgroSup, Univ. Bourgogne Franche-Comté, F-21000 Dijon, France.
| | - Sylvie Grall
- Centre des Sciences du Goût et de l'Alimentation, UMR CNRS 6265, INRA 1324, AgroSup, Univ. Bourgogne Franche-Comté, F-21000 Dijon, France.
| | - Camille Allard
- Centre des Sciences du Goût et de l'Alimentation, UMR CNRS 6265, INRA 1324, AgroSup, Univ. Bourgogne Franche-Comté, F-21000 Dijon, France.
| | - Claire Fenech
- Centre des Sciences du Goût et de l'Alimentation, UMR CNRS 6265, INRA 1324, AgroSup, Univ. Bourgogne Franche-Comté, F-21000 Dijon, France.
| | - Lionel Carneiro
- Centre des Sciences du Goût et de l'Alimentation, UMR CNRS 6265, INRA 1324, AgroSup, Univ. Bourgogne Franche-Comté, F-21000 Dijon, France.
| | - Thomas Mouillot
- Centre des Sciences du Goût et de l'Alimentation, UMR CNRS 6265, INRA 1324, AgroSup, Univ. Bourgogne Franche-Comté, F-21000 Dijon, France; Service d'Hépato-Gastroentérologie, hôpital du Bocage, Dijon, France.
| | - Audren Fournel
- Institut de Recherche en Santé Digestive, INSERM U1220, Université Paul Sabatier, Toulouse, France.
| | - Claude Knauf
- Institut de Recherche en Santé Digestive, INSERM U1220, Université Paul Sabatier, Toulouse, France.
| | - Christophe Magnan
- CNRS UMR 8251, Unit of Functional and Adaptive Biology, Paris, France.
| | - Xavier Fioramonti
- Centre des Sciences du Goût et de l'Alimentation, UMR CNRS 6265, INRA 1324, AgroSup, Univ. Bourgogne Franche-Comté, F-21000 Dijon, France; UMR 1286, NutriNeuro, INRA, Université de Bordeaux, Bordeaux INP, Bordeaux, France.
| | - Luc Pénicaud
- Centre des Sciences du Goût et de l'Alimentation, UMR CNRS 6265, INRA 1324, AgroSup, Univ. Bourgogne Franche-Comté, F-21000 Dijon, France.
| | - Corinne Leloup
- Centre des Sciences du Goût et de l'Alimentation, UMR CNRS 6265, INRA 1324, AgroSup, Univ. Bourgogne Franche-Comté, F-21000 Dijon, France.
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High-fat diet disrupts bone remodeling by inducing local and systemic alterations. J Nutr Biochem 2018; 59:93-103. [PMID: 29986312 DOI: 10.1016/j.jnutbio.2018.06.006] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2017] [Revised: 05/30/2018] [Accepted: 06/07/2018] [Indexed: 11/22/2022]
Abstract
A high-fat (HF) diet leads to detrimental effects on alveolar bone (AB); however, the mechanisms linking adiposity to bone loss are poorly understood. This study investigated if AB resorption induced by an HF diet is associated with the regulation of inflammatory gene expression and if adipocytes can directly interfere with osteoclastogenesis. We also evaluated the effects of diet restriction (DR) on bone phenotype. C57BL6/J mice were fed normal chow or an HF diet for 12 weeks. Samples of maxillae, femur, blood and white adipose tissue were analyzed. In vitro co-culture of bone marrow-derived osteoclasts and mature adipocytes was carried out. The results revealed an increased number of osteoclasts and fewer osteoblasts in animals fed the HF diet, which led to the disruption of trabecular bone and horizontal AB loss. Similar effects were observed in the femur. The metabolic parameters and the deleterious effects of the HF diet on AB and the femur were reversed after DR. The HF diet modulated the expression of 30 inflammatory genes in AB such as Fam3c, InhBa, Tnfs11, Ackr2, Pxmp2 and Chil3, which are related to the inflammatory response and bone remodeling. In vitro, mature adipocytes produced increased levels of adipokines, and co-culture with osteoclasts resulted in augmented osteoclastogenesis. The results indicate that the mechanisms by which an HF diet affects bone involve induction of osteoclastogenesis and inflammatory gene expression. Adipokines apparently are key molecules in this process. Strategies to control diet-induced bone loss might be beneficial in patients with preexisting bone inflammatory conditions.
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Minematsu A, Nishii Y, Sakata S. High-fat/high-sucrose diet results in higher bone mass in aged rats. Bone Rep 2018; 8:18-24. [PMID: 29322073 PMCID: PMC5755753 DOI: 10.1016/j.bonr.2018.01.001] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/11/2017] [Revised: 12/01/2017] [Accepted: 01/02/2018] [Indexed: 01/14/2023] Open
Abstract
Intake of high-fat/high-sucrose (HFS) diet or high fat diet influences bone metabolism in young rodents, but its effects on bone properties of aged rodents still remain unclear. This study aimed to examine the effects of HFS diet intake on trabecular bone architecture (TBA) and cortical bone geometry (CBG) in aged rats. Fifteen male Wistar rats over 1 year were randomly divided into two groups. One group was fed a standard laboratory diet (SLD) and the other group was fed a HFS diet for six months. The femur/tibia, obtained from both groups at the end of experimental period, were scanned by micro-computed tomography for TBA/CBG analyses. Serum biochemical analyses were also conducted. Body weight was significantly higher in the HFS group than in the SLD group. In both femur and tibia, the HFS group showed higher trabecular/cortical bone mass in reference to bone mineral content, volume bone mineral density and TBA/CBG parameters compared with the SLD group. In addition, serum calcium, inorganic phosphorus, total protein, triacylglycerol, HDL and TRACP-5b levels were significantly higher in the HFS group than in the SLD group. There were good correlations between body weight and bone parameters in the femur and tibia. These results suggest that HFS diet intake results in higher bone mass in aged rats. Such effects of HFS diet intake might have been induced by increased body weight.
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Key Words
- ALP, alkaline phosphatase
- Aged rats
- BMC, bone mineral content
- BMD, bone mineral density
- BV, bone volume
- BV/TV, bone volume fraction
- CBG, cortical bone geometry
- CV, cortical bone volume
- CV/(CV + MV), cortical volume fraction
- Ca, calcium
- Conn.D, connectivity density
- Cortical bone geometry
- Ct.Ar, cortical bone sectional area
- Ct.Th, cortical bone thickness
- DXA, dual-energy X-ray absorptiometry
- Ec.Pm, endocortical perimeter
- HDL, high-density lipoprotein cholesterol
- HFD, high fat diet
- HFS, high-fat/high-sucrose
- High-fat sucrose diet
- IP, inorganic phosphorus
- LDL, low-density lipoprotein cholesterol
- MV, medullary volume
- Micro-computed tomography
- OC, osteocalcin
- Ps.Pm, periosteal perimeter
- SLD, standard laboratory diet
- TBA, trabecular bone architecture
- TBPf, trabecular bone pattern factor
- TC, total cholesterol
- TG, triacylglycerol
- TMD, tissue mineral density
- TP, total protein
- TRACP-5b, tartrate-resistant acid phosphatase-5b
- TV, tissue volume
- Tb.N, trabecular number
- Tb.Sp, trabecular separation
- Tb.Th, trabecular thickness
- Tb.W, trabecular width
- Trabecular bone architecture
- VOI, volume of interest
- micro-CT, x-ray micro-computed tomography
- vBMD, volume BMD
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Affiliation(s)
- Akira Minematsu
- Department of Physical Therapy, Faculty of Health Science, Kio University, 4-2-2 Umaminaka, Koryo-cho, Kitakatsuragi-gun, Nara 635-0832, Japan
| | - Yasue Nishii
- Department of Physical Therapy, Faculty of Health Science, Kio University, 4-2-2 Umaminaka, Koryo-cho, Kitakatsuragi-gun, Nara 635-0832, Japan
| | - Susumu Sakata
- Department of Physiology, Nara Medical University, 840 Shijou-cho, Kashihara, Nara 634-8521, Japan
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Tian L, Wang C, Xie Y, Wan S, Zhang K, Yu X. High Fructose and High Fat Exert Different Effects on Changes in Trabecular Bone Micro-structure. J Nutr Health Aging 2018; 22:361-370. [PMID: 29484349 DOI: 10.1007/s12603-017-0933-0] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
OBJECTIVES To compare the effects of high-fat diet (HFD) and high-fructose diet (HFrD) on bone metabolism at different time points, dynamically observe the bone histology and femur trabecular micro-architecture, and analyze the underlying mechanisms. METHODS Sixty -Five male 6- to 7-week-old C57BL/6J mice were given HFD, HFrD, or standard diets (SD) for 8, 16, and 24 weeks. Micro-computed tomography (μCT) and bone histology were used to measure bone mass and trabecular micro-structure. Quantitative real-time polymerase chain reaction (qRT-PCR) was used to determine the expression of genes related to bone and lipid metabolisms. RESULTS Compared to SD mice, femoral trabecular bone mass was significantly increased in both HFrD mice and HFD mice at 8 weeks, it continued to be higher in HFrD mice at 16 and 24 weeks with the highest level at 16 weeks, but it was significantly decreased in HFD mice at 16 and 24 weeks. HFD mice showed more epididymal fat accumulation than HFrD mice. mRNA expression of Runx2 was up-regulated at 8 and 16 weeks, but down-regulated at 24 weeks similarly in both HFrD mice and HFD mice. mRNA expression of MMP9 and CTSK was up-regulated at 8 and 16 weeks in HFD mice, but down-regulated at 24 weeks in both HFrD mice and HFD mice. CONCLUSIONS Our data indicated that the HFrD and HFD had different modulating effects on bone mass. After short-term feeding, both HFrD and HFD showed positive effects on bone mass; however, after long-term feeding, bone mass was decreased in HFD mice. In contrast, the bone mass was first increased and then decreased in the HFrD mice. On the basis of these findings, we speculated that chronic consumption of fat and fructose would exert detrimental effects on bone mass which might a combination action of body mass, fat mass, and bone formation/bone resorption along with proinflammatory factor and bone marrow environment.
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Affiliation(s)
- L Tian
- Xijie Yu, MD, PhD. Laboratory of Endocrinology and Metabolism, Department of Endocrinology, West China Hospital, Sichuan University, No. 37 Guoxue Xiang, 610041 Chengdu, P.R. China, E-mail: or , Tel.: +86-28-8542-2362, Fax: +86-28-8542-3459
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12
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Ortinau LC, Linden MA, Dirkes R, Rector RS, Hinton PS. Obesity and type 2 diabetes, not a diet high in fat, sucrose, and cholesterol, negatively impacts bone outcomes in the hyperphagic Otsuka Long Evans Tokushima Fatty rat. Bone 2017; 105:200-211. [PMID: 28893629 DOI: 10.1016/j.bone.2017.09.003] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/09/2017] [Revised: 07/14/2017] [Accepted: 09/08/2017] [Indexed: 12/15/2022]
Abstract
BACKGROUND Obesity and type 2 diabetes (T2D) increase fracture risk; however, the association between obesity/T2D may be confounded by consumption of a diet high in fat, sucrose, and cholesterol (HFSC). OBJECTIVE The study objective was to determine the main and interactive effects of obesity/T2D and a HFSC diet on bone outcomes using hyperphagic Otuska Long Evans Tokushima Fatty (OLETF) rats and normophagic Long Evans Tokushima Otsuka (LETO) controls. METHODS At 8weeks of age, male OLETF and LETO rats were randomized to either a control (CON, 10 en% from fat as soybean oil) or HFSC (45 en% from fat as soybean oil/lard, 17 en% sucrose, and 1wt%) diet, resulting in four treatment groups. At 32weeks, total body bone mineral content (BMC) and density (BMD) and body composition were measured by dual-energy X-ray absorptiometry, followed by euthanasia and collection of blood and tibiae. Bone turnover markers and sclerostin were measured using ELISA. Trabecular microarchitecture of the proximal tibia and geometry of the tibia mid-diaphysis were measured using microcomputed tomography; whole-bone and tissue-level biomechanical properties were evaluated using torsional loading of the tibia. Two-factor ANOVA was used to determine main and interactive effects of diet (CON vs. HFSC) and obesity/T2D (OLETF vs. LETO) on bone outcomes. RESULTS Hyperphagic OLEFT rats had greater final body mass, body fat, and fasting glucose than normophagic LETO, with no effect of diet. Total body BMC and serum markers of bone formation were decreased, and bone resorption and sclerostin were increased in obese/T2D OLETF rats. Trabecular bone volume and microarchitecture were adversely affected by obesity/T2D, but not diet. Whole-bone and tissue-level biomechanical properties of the tibia were not affected by obesity/T2D; the HFSC diet improved biomechanical properties only in LETO rats. CONCLUSIONS Obesity/T2D, regardless of diet, negatively impacted the balance between bone formation and resorption and trabecular bone volume and microarchitecture in OLETF rats.
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Affiliation(s)
- Laura C Ortinau
- Department of Nutrition and Exercise Physiology, University of Missouri, Columbia, MO, United States
| | - Melissa A Linden
- Department of Nutrition and Exercise Physiology, University of Missouri, Columbia, MO, United States; Research Service-Harry S Truman Memorial Veterans Medical Center, Columbia, MO, United States
| | - Rebecca Dirkes
- Department of Nutrition and Exercise Physiology, University of Missouri, Columbia, MO, United States
| | - R Scott Rector
- Department of Nutrition and Exercise Physiology, University of Missouri, Columbia, MO, United States; Department of Medicine, Gastroenterology and Hepatology, University of Missouri, Columbia, MO, United States; Research Service-Harry S Truman Memorial Veterans Medical Center, Columbia, MO, United States
| | - Pamela S Hinton
- Department of Nutrition and Exercise Physiology, University of Missouri, Columbia, MO, United States.
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13
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Fat, Sugar, and Bone Health: A Complex Relationship. Nutrients 2017; 9:nu9050506. [PMID: 28513571 PMCID: PMC5452236 DOI: 10.3390/nu9050506] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2017] [Revised: 04/26/2017] [Accepted: 05/12/2017] [Indexed: 02/05/2023] Open
Abstract
With people aging, osteoporosis is expected to increase notably. Nutritional status is a relatively easily-modified risk factor, associated with many chronic diseases, and is involved in obesity, diabetes, and coronary heart disease (CHD), along with osteoporosis. Nutrients, such as fats, sugars, and proteins, play a primary function in bone metabolism and maintaining bone health. In Western nations, diets are generally high in saturated fats, however, currently, the nutritional patterns dominating in China continue to be high in carbohydrates from starch, cereals, and sugars. Moreover, high fat or high sugar (fructose, glucose, or sucrose) impart a significant impact on bone structural integrity. Due to diet being modifiable, demonstrating the effects of nutrition on bone health can provide an approach for osteoporosis prevention. Most researchers have reported that a high-fat diet consumption is associated with bone mineral density (BMD) and, as bone strength diminishes, adverse microstructure changes occur in the cancellous bone compartment, which is involved with lipid metabolism modulation disorder and the alteration of the bone marrow environment, along with an increased inflammatory environment. Some studies, however, demonstrated that a high-fat diet contributes to achieving peak bone mass, along with microstructure, at a younger age. Contrary to these results, others have shown that a high-fructose diet consumption leads to stronger bones with a superior microarchitecture than those with the intake of a high-glucose diet and, at the same time, research indicated that a high-fat diet usually deteriorates cancellous bone parameters, and that the incorporation of fructose into a high-fat diet did not aggravate bone mass loss. High-fat/high-sucrose diets have shown both beneficial and detrimental influences on bone metabolism. Combined, these studies showed that nutrition exerts different effects on bone health. Thus, a better understanding of the regulation between dietary nutrition and bone health might provide a basis for the development of strategies to improve bone health by modifying nutritional components.
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14
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Formononetin, an isoflavone, activates AMP-activated protein kinase/β-catenin signalling to inhibit adipogenesis and rescues C57BL/6 mice from high-fat diet-induced obesity and bone loss. Br J Nutr 2017; 117:645-661. [PMID: 28367764 DOI: 10.1017/s0007114517000149] [Citation(s) in RCA: 44] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Balance between adipocyte and osteoblast differentiation is the key link of disease progression in obesity and osteoporosis. We have previously reported that formononetin (FNT), an isoflavone extracted from Butea monosperma, stimulates osteoblast formation and protects against postmenopausal bone loss. The inverse relationship between osteoblasts and adipocytes prompted us to analyse the effect of FNT on adipogenesis and in vivo bone loss, triggered by high-fat diet (HFD)-induced obesity. The anti-obesity effect and mechanism of action of FNT was determined in 3T3-L1 cells and HFD-induced obese male mice. Our findings show that FNT suppresses the adipogenic differentiation of 3T3-L1 fibroblasts, through down-regulation of key adipogenic markers such as PPARγ, CCAAT/enhancer-binding protein alpha (C/EBPα) and sterol regulatory element-binding protein (SREBP) and inhibits intracellular TAG accumulation. Increased intracellular reactive oxygen species levels and AMP-activated protein kinase (AMPK) activation accompanied by stabilisation of β-catenin were attributed to the anti-adipogenic action of FNT. In vivo, 12 weeks of FNT treatment inhibited the development of obesity in mice by attenuating HFD-induced body weight gain and visceral fat accumulation. The anti-obesity effect of FNT results from increased energy expenditure. FNT also protects against HFD-induced dyslipidaemia and rescues deterioration of trabecular bone volume by increasing bone formation and decreasing bone resorbtion caused by HFD. FNT's rescuing action against obesity-induced osteoporosis commenced at the level of progenitors, as bone marrow progenitor cells, obtained from the HFD mice group supplemented with FNT, showed increased osteogenic and decreased adipogenic potentials. Our findings suggest that FNT inhibits adipogenesis through AMPK/β-catenin signal transduction pathways and protects against HFD-induced obesity and bone loss.
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15
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Shapses SA, Pop LC, Wang Y. Obesity is a concern for bone health with aging. Nutr Res 2017; 39:1-13. [PMID: 28385284 DOI: 10.1016/j.nutres.2016.12.010] [Citation(s) in RCA: 99] [Impact Index Per Article: 14.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2016] [Revised: 12/16/2016] [Accepted: 12/27/2016] [Indexed: 02/08/2023]
Abstract
Accumulating evidence supports a complex relationship between adiposity and osteoporosis in overweight/obese individuals, with local interactions and endocrine regulation by adipose tissue on bone metabolism and fracture risk in elderly populations. This review was conducted to summarize existing evidence to test the hypothesis that obesity is a risk factor for bone health in aging individuals. Mechanisms by which obesity adversely affects bone health are believed to be multiple, such as an alteration of bone-regulating hormones, inflammation, oxidative stress, the endocannabinoid system, that affect bone cell metabolism are discussed. In addition, evidence on the effect of fat mass and distribution on bone mass and quality is reviewed together with findings relating energy and fat intake with bone health. In summary, studies indicate that the positive effects of body weight on bone mineral density cannot counteract the detrimental effects of obesity on bone quality. However, the exact mechanism underlying bone deterioration in the obese is not clear yet and further research is required to elucidate the effect of adipose depots on bone and fracture risk in the obese population.
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Affiliation(s)
- Sue A Shapses
- Department of Nutritional Sciences, Rutgers University, New Brunswick, NJ.
| | - L Claudia Pop
- Department of Nutritional Sciences, Rutgers University, New Brunswick, NJ
| | - Yang Wang
- Department of Nutritional Sciences, Rutgers University, New Brunswick, NJ
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16
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Sousa-Lima I, Park SY, Chung M, Jung HJ, Kang MC, Gaspar JM, Seo JA, Macedo MP, Park KS, Mantzoros C, Lee SH, Kim YB. Methylsulfonylmethane (MSM), an organosulfur compound, is effective against obesity-induced metabolic disorders in mice. Metabolism 2016; 65:1508-21. [PMID: 27621186 DOI: 10.1016/j.metabol.2016.07.007] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/28/2016] [Revised: 07/06/2016] [Accepted: 07/14/2016] [Indexed: 01/20/2023]
Abstract
Methylsulfonylmethane (MSM), an organosulfur compound, has been used as a dietary supplement that can improve various metabolic diseases. However, the effect of MSM on obesity-linked metabolic disorders remains unclear. The goal of the current study is to determine whether MSM has beneficial effects on glucose and lipid homeostasis in obesity-associated pathophysiologic states. High-fat diet-induced obese (DIO) and genetically obese diabetic db/db mice treated with MSM (1%-5% v/v, by drinking water) were studied. Metabolic parameters involved in glucose and lipid metabolism were determined. Treatment of DIO mice with MSM leads to a significant decrease in blood glucose levels. DIO mice treated with MSM are hypersensitive to insulin, as evidenced by decreased serum insulin and an increase in the area above the curve during an ITT. Concurrently, MSM reduces hepatic triglyceride and cholesterol contents in DIO mice. These effects are accompanied by reductions in gene expression of key molecules involved in lipogenesis and inflammation. FACS analysis reveals that MSM markedly increases the frequency of B cells and decreases the frequency of myeloid cells in peripheral blood and in bone marrow. Moreover, overnutrition-induced changes of femur microarchitecture are restored by MSM. In db/db mice, a marked impairment in glucose and lipid metabolic profiles is notably ameliorated when MSM is supplemented. These data suggest that MSM has beneficial effects on multiple metabolic dysfunctions, including hyperglycemia, hyperinsulinemia, insulin resistance, and inflammation. Thus, MSM could be the therapeutic option for the treatment of obesity-related metabolic disorders such as type 2 diabetes and fatty liver diseases.
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Affiliation(s)
- Inês Sousa-Lima
- Division of Endocrinology, Diabetes and Metabolism, Department of Medicine, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, USA; Centro de Estudos de Doenças Crónicas CEDOC, NOVA Medical School/Faculdade de Ciências Médicas, Universidade Nova de Lisboa, Lisbon, Portugal
| | - Shin-Young Park
- Boston Children's Hospital and Harvard Medical School, Boston, MA, USA
| | - Michelle Chung
- Division of Endocrinology, Diabetes and Metabolism, Department of Medicine, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, USA
| | - Hyun Ju Jung
- Department of Oriental Pharmacy, Wonkwang University, Iksan, Jeonbuk, Republic of Korea
| | - Min-Cheol Kang
- Division of Endocrinology, Diabetes and Metabolism, Department of Medicine, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, USA
| | - Joana M Gaspar
- Division of Endocrinology, Diabetes and Metabolism, Department of Medicine, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, USA; Centro de Estudos de Doenças Crónicas CEDOC, NOVA Medical School/Faculdade de Ciências Médicas, Universidade Nova de Lisboa, Lisbon, Portugal
| | - Ji A Seo
- Division of Endocrinology, Diabetes and Metabolism, Department of Medicine, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, USA
| | - M Paula Macedo
- Centro de Estudos de Doenças Crónicas CEDOC, NOVA Medical School/Faculdade de Ciências Médicas, Universidade Nova de Lisboa, Lisbon, Portugal; APDP - Education and Research Center, Lisbon, Portugal
| | - Kyong Soo Park
- Department of Molecular Medicine and Biopharmaceutical Sciences, Graduate School of Convergence Science and Technology, Seoul National University; Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Christos Mantzoros
- Division of Endocrinology, Diabetes and Metabolism, Department of Medicine, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, USA
| | | | - Young-Bum Kim
- Division of Endocrinology, Diabetes and Metabolism, Department of Medicine, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, USA; Department of Molecular Medicine and Biopharmaceutical Sciences, Graduate School of Convergence Science and Technology, Seoul National University.
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17
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Metz L, Gerbaix M, Masgrau A, Guillet C, Walrand S, Boisseau N, Boirie Y, Courteix D. Nutritional and exercise interventions variably affect estrogen receptor expression in the adipose tissue of male rats. Nutr Res 2016; 36:280-9. [DOI: 10.1016/j.nutres.2015.12.003] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2015] [Revised: 12/02/2015] [Accepted: 12/04/2015] [Indexed: 12/23/2022]
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18
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Lavet C, Martin A, Linossier MT, Vanden Bossche A, Laroche N, Thomas M, Gerbaix M, Ammann P, Fraissenon A, Lafage-Proust MH, Courteix D, Vico L. Fat and Sucrose Intake Induces Obesity-Related Bone Metabolism Disturbances: Kinetic and Reversibility Studies in Growing and Adult Rats. J Bone Miner Res 2016; 31:98-115. [PMID: 26175082 DOI: 10.1002/jbmr.2596] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/26/2015] [Revised: 05/19/2015] [Accepted: 06/29/2015] [Indexed: 01/01/2023]
Abstract
Metabolic and bone effects were investigated in growing (G, n = 45) and mature (M, n = 45) rats fed a high-fat/high-sucrose diet (HFS) isocaloric to the chow diet of controls (C, n = 30 per group). At week 19, a subset of 15 rats in each group (HFS or C, at both ages) was analyzed. Then one-half of the remaining 30 HFS rats in each groups continued HFS and one-half were shifted to C until week 27. Although no serum or bone marrow inflammation was seen, HFS increased visceral fat, serum leptin and insulin at week 19 and induced further alterations in lipid profile, serum adiponectin, and TGFβ1, TIMP1, MMP2, and MMP9, suggesting a prediabetic phenotype and cardiovascular dysfunction at week 27 more pronounced in M than G. These events were associated with dramatic reduction of osteoclastic and osteoid surfaces with accelerated mineralizing surfaces in both HFS age groups. Mineral metabolism and its major regulators were disturbed, leading to hyperphosphatemia and hypocalcemia. These changes were associated with bone alterations in the weight-bearing tibia, not in the non-weight-bearing vertebra. Indeed in fat rats, tibia trabecular bone accrual increased in G whereas loss of trabecular bone in M was alleviated. At diaphysis cortical porosity increased in G and even more in M at week 27. After the diet switch, metabolic and bone cellular disturbances fully reversed in G, but not in M. Trabecular benefit of the obese was preserved in both age groups and in M the age-related bone loss was even lighter after the diet switch than in prolonged HFS. At the diaphysis, cortical porosity normalized in G but not in M. Hypocalcemia in G and M was irreversible. Thus, the mild metabolic syndrome induced by isocaloric HFS is able to alter bone cellular activities and mineral metabolism, reinforce trabecular bone, and affect cortical bone porosity in an irreversible manner in older rats.
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Affiliation(s)
- Cédric Lavet
- Institut National de la Santé et de la Recherche Médicale (INSERM) U1059, Laboratoire de Biologie intégrative du Tissu Osseux, Lyon University, Saint-Étienne, France
| | - Aline Martin
- Division of Nephrology, Center for Translational Metabolism and Health Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Marie-Thérèse Linossier
- Institut National de la Santé et de la Recherche Médicale (INSERM) U1059, Laboratoire de Biologie intégrative du Tissu Osseux, Lyon University, Saint-Étienne, France
| | - Arnaud Vanden Bossche
- Institut National de la Santé et de la Recherche Médicale (INSERM) U1059, Laboratoire de Biologie intégrative du Tissu Osseux, Lyon University, Saint-Étienne, France
| | - Norbert Laroche
- Institut National de la Santé et de la Recherche Médicale (INSERM) U1059, Laboratoire de Biologie intégrative du Tissu Osseux, Lyon University, Saint-Étienne, France
| | - Mireille Thomas
- Institut National de la Santé et de la Recherche Médicale (INSERM) U1059, Laboratoire de Biologie intégrative du Tissu Osseux, Lyon University, Saint-Étienne, France
| | - Maude Gerbaix
- Institut National de la Santé et de la Recherche Médicale (INSERM) U1059, Laboratoire de Biologie intégrative du Tissu Osseux, Lyon University, Saint-Étienne, France
| | - Patrick Ammann
- Division of Bone Diseases, Department of Internal Medicine Specialties, Geneva University Hospital, Geneva, Switzerland
| | - Antoine Fraissenon
- Institut National de la Santé et de la Recherche Médicale (INSERM) U1059, Laboratoire de Biologie intégrative du Tissu Osseux, Lyon University, Saint-Étienne, France
| | - Marie-Hélène Lafage-Proust
- Institut National de la Santé et de la Recherche Médicale (INSERM) U1059, Laboratoire de Biologie intégrative du Tissu Osseux, Lyon University, Saint-Étienne, France
| | - Daniel Courteix
- Laboratory of Metabolic Adaptations to Exercise in Physiological and Pathological conditions (AME2P, EA3533), Blaise Pascal University, Clermont University, Clermont Ferrand, France
| | - Laurence Vico
- Institut National de la Santé et de la Recherche Médicale (INSERM) U1059, Laboratoire de Biologie intégrative du Tissu Osseux, Lyon University, Saint-Étienne, France
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Miszkiewicz JJ, Mahoney P. Ancient Human Bone Microstructure in Medieval England: Comparisons between Two Socio-Economic Groups. Anat Rec (Hoboken) 2015; 299:42-59. [PMID: 26480030 DOI: 10.1002/ar.23285] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2015] [Revised: 09/25/2015] [Accepted: 09/28/2015] [Indexed: 11/07/2022]
Abstract
Understanding the links between bone microstructure and human lifestyle is critical for clinical and anthropological research into skeletal growth and adaptation. The present study is the first to report correspondence between socio-economic status and variation in bone microstructure in ancient humans. Products of femoral cortical remodeling were assessed using histological methods in a large human medieval sample (N = 450) which represented two distinct socio-economic groups. Osteonal parameters were recorded in posterior midshaft femoral sections from adult males (N = 233) and females (N = 217). Using univariate and multivariate statistics, intact, fragmentary, and osteon population densities, Haversian canal area and diameter, and osteon area were compared between the two groups, accounting for sex, age, and estimated femoral robusticity. The size of osteons and their Haversian canals, as well as osteon density, varied significantly between the socio-economic groups, although minor inconsistencies were observed in females. Variation in microstructure was consistent with historical textual evidence that describes differences in mechanical loading and nutrition between the two groups. Results demonstrate that aspects of ancient human lifestyle can be inferred from bone microstructure.
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Affiliation(s)
- Justyna J Miszkiewicz
- Skeletal Biology Research Centre, School of Anthropology and Conservation, University of Kent, Canterbury, CT2 7NR, United Kingdom
| | - Patrick Mahoney
- Skeletal Biology Research Centre, School of Anthropology and Conservation, University of Kent, Canterbury, CT2 7NR, United Kingdom
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20
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Ennequin G, Boisseau N, Caillaud K, Chavanelle V, Gerbaix M, Metz L, Etienne M, Walrand S, Masgrau A, Guillet C, Courteix D, Niu A, Li YP, Capel F, Sirvent P. Exercise training and return to a well-balanced diet activate the neuregulin 1/ErbB pathway in skeletal muscle of obese rats. J Physiol 2015; 593:2665-77. [PMID: 25820551 DOI: 10.1113/jp270026] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2014] [Accepted: 03/17/2015] [Indexed: 11/08/2022] Open
Abstract
KEY POINTS Some studies suggest that neuregulin 1 (NRG1) could be involved in the regulation of skeletal muscle energy metabolism in rodents. Here we assessed whether unbalanced diet is associated with alterations of the NRG1 signalling pathway and whether exercise and diet might restore NRG1 signalling in skeletal muscle of obese rats. We show that diet-induced obesity does not impair NRG1 signalling in rat skeletal muscle. We also report that endurance training and a well-balanced diet activate the NRG1 signalling in skeletal muscle of obese rats, possibly via a new mechanism mediated by the protease ADAM17. These results suggest that some beneficial effects of physical activity and diet in obese rats could be partly explained by stimulation of the NRG1 signalling pathway. ABSTRACT Some studies suggest that the signalling pathway of neuregulin 1 (NRG1), a protein involved in the regulation of skeletal muscle metabolism, could be altered by nutritional and exercise interventions. We hypothesized that diet-induced obesity could lead to alterations of the NRG1 signalling pathway and that chronic exercise could improve NRG1 signalling in rat skeletal muscle. To test this hypothesis, male Wistar rats received a high fat/high sucrose (HF/HS) diet for 16 weeks. At the end of this period, NRG1 and ErbB expression/activity in skeletal muscle was assessed. The obese rats then continued the HF/HS diet or were switched to a well-balanced diet. Moreover, in both groups, half of the animals also performed low intensity treadmill exercise training. After another 8 weeks, NRG1 and ErbB expression/activity in skeletal muscle were tested again. The 16 week HF/HS diet induced obesity, but did not significantly affect the NRG1/ErbB signalling pathway in rat skeletal muscle. Conversely, after the switch to a well-balanced diet, NRG1 cleavage ratio and ErbB4 amount were increased. Chronic exercise training also promoted NRG1 cleavage, resulting in increased ErbB4 phosphorylation. This result was associated with increased protein expression and phosphorylation ratio of the metalloprotease ADAM17, which is involved in NRG1 shedding. Similarly, in vitro stretch-induced activation of ADAM17 in rat myoblasts induced NRG1 cleavage and ErbB4 activation. These results show that low intensity endurance training and well-balanced diet activate the NRG1-ErbB4 pathway, possibly via the metalloprotease ADAM17, in skeletal muscle of diet-induced obese rats.
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Affiliation(s)
- Gaël Ennequin
- Université Clermont Auvergne, Université Blaise Pascal, EA 3533, Laboratoire des Adaptations Métaboliques à l'Exercice en Conditions Physiologiques et Pathologiques (AME2P), BP 80026, F-63171, Aubière Cedex, France.,CRNH-Auvergne, Clermont-Ferrand, F-63001, France
| | - Nathalie Boisseau
- Université Clermont Auvergne, Université Blaise Pascal, EA 3533, Laboratoire des Adaptations Métaboliques à l'Exercice en Conditions Physiologiques et Pathologiques (AME2P), BP 80026, F-63171, Aubière Cedex, France.,CRNH-Auvergne, Clermont-Ferrand, F-63001, France
| | - Kevin Caillaud
- Université Clermont Auvergne, Université Blaise Pascal, EA 3533, Laboratoire des Adaptations Métaboliques à l'Exercice en Conditions Physiologiques et Pathologiques (AME2P), BP 80026, F-63171, Aubière Cedex, France.,CRNH-Auvergne, Clermont-Ferrand, F-63001, France
| | - Vivien Chavanelle
- Université Clermont Auvergne, Université Blaise Pascal, EA 3533, Laboratoire des Adaptations Métaboliques à l'Exercice en Conditions Physiologiques et Pathologiques (AME2P), BP 80026, F-63171, Aubière Cedex, France.,CRNH-Auvergne, Clermont-Ferrand, F-63001, France
| | - Maude Gerbaix
- Université Clermont Auvergne, Université Blaise Pascal, EA 3533, Laboratoire des Adaptations Métaboliques à l'Exercice en Conditions Physiologiques et Pathologiques (AME2P), BP 80026, F-63171, Aubière Cedex, France.,CRNH-Auvergne, Clermont-Ferrand, F-63001, France
| | - Lore Metz
- Université Clermont Auvergne, Université Blaise Pascal, EA 3533, Laboratoire des Adaptations Métaboliques à l'Exercice en Conditions Physiologiques et Pathologiques (AME2P), BP 80026, F-63171, Aubière Cedex, France.,CRNH-Auvergne, Clermont-Ferrand, F-63001, France
| | - Monique Etienne
- Université Clermont Auvergne, Université Blaise Pascal, EA 3533, Laboratoire des Adaptations Métaboliques à l'Exercice en Conditions Physiologiques et Pathologiques (AME2P), BP 80026, F-63171, Aubière Cedex, France.,CRNH-Auvergne, Clermont-Ferrand, F-63001, France
| | - Stéphane Walrand
- CRNH-Auvergne, Clermont-Ferrand, F-63001, France.,INRA, UMR 1019, Clermont-Ferrand, F-63001, France.,University Clermont 1, UFR Médecine, Clermont-Ferrand, F-63001, France
| | - Aurélie Masgrau
- CRNH-Auvergne, Clermont-Ferrand, F-63001, France.,INRA, UMR 1019, Clermont-Ferrand, F-63001, France.,University Clermont 1, UFR Médecine, Clermont-Ferrand, F-63001, France
| | - Christelle Guillet
- CRNH-Auvergne, Clermont-Ferrand, F-63001, France.,INRA, UMR 1019, Clermont-Ferrand, F-63001, France.,University Clermont 1, UFR Médecine, Clermont-Ferrand, F-63001, France
| | - Daniel Courteix
- Université Clermont Auvergne, Université Blaise Pascal, EA 3533, Laboratoire des Adaptations Métaboliques à l'Exercice en Conditions Physiologiques et Pathologiques (AME2P), BP 80026, F-63171, Aubière Cedex, France.,CRNH-Auvergne, Clermont-Ferrand, F-63001, France
| | - Airu Niu
- Department of Integrative Biology and Pharmacology, University of Texas Health Science Centre, Houston, TX, 77030, USA
| | - Yi-Ping Li
- Department of Integrative Biology and Pharmacology, University of Texas Health Science Centre, Houston, TX, 77030, USA
| | - Fréderic Capel
- CRNH-Auvergne, Clermont-Ferrand, F-63001, France.,INRA, UMR 1019, Clermont-Ferrand, F-63001, France.,University Clermont 1, UFR Médecine, Clermont-Ferrand, F-63001, France
| | - Pascal Sirvent
- Université Clermont Auvergne, Université Blaise Pascal, EA 3533, Laboratoire des Adaptations Métaboliques à l'Exercice en Conditions Physiologiques et Pathologiques (AME2P), BP 80026, F-63171, Aubière Cedex, France.,CRNH-Auvergne, Clermont-Ferrand, F-63001, France
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Jiang S, Cui LY, Hou JF, Shi C, Ke X, Yang LC, Ma XP. Effects of age and dietary soybean oil level on eggshell quality, bone strength and blood biochemistry in laying hens. Br Poult Sci 2014; 55:653-61. [DOI: 10.1080/00071668.2014.949624] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Micro-architectural changes in cancellous bone differ in female and male C57BL/6 mice with high-fat diet-induced low bone mineral density. Br J Nutr 2014; 111:1811-21. [DOI: 10.1017/s0007114514000051] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
The relationship between fat and bone mass at distinct trabecular and cortical skeletal compartments in a high-fat diet (HFD) model was studied. For this, C57BL/6 mice were assigned to four groups of eight animals each. Two groups, each of males and females, received a standard chow diet while the remaining other two groups received the HFD for a period of 10 weeks. Male mice on the HFD were heavier and gained more weight (15·8 %; P< 0·05) v. those on the control diet or when compared with the female rats fed the HFD. We observed an increased lipid profile in both males and females, with significantly higher lipid levels (about 20–25 %; P< 0·01) in males. However, glucose intolerance was more pronounced in females than males on the HFD (about 30 %; P< 0·05). The micro-architectural assessment of bones showed that compared with female mice on the HFD, male mice on the HFD showed more deterioration at the trabecular region. This was corroborated by plasma osteocalcin and carboxy-terminal collagen crosslinks (CTx) levels confirming greater loss in males (about 20 %; P< 0·01). In both sexes cortical bone parameters and strength remained unchanged after 10 weeks of HFD treatment. The direct effect of the HFD on bone at the messenger RNA level in progenitor cells isolated from femoral bone marrow was a significantly increased expression of adipogenic marker genes v. osteogenic genes. Overall, the present data indicate that obesity induced by a HFD aggravates bone loss in the cancellous bone compartment, with a greater loss in males than females, although 10 weeks of HFD treatment did not alter cortical bone mass and strength in both males and females.
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