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Natesan V, Kim SJ. Metabolic Bone Diseases and New Drug Developments. Biomol Ther (Seoul) 2022; 30:309-319. [PMID: 35342038 PMCID: PMC9252877 DOI: 10.4062/biomolther.2022.007] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2022] [Revised: 03/03/2022] [Accepted: 03/05/2022] [Indexed: 11/05/2022] Open
Abstract
Metabolic bone diseases are serious health issues worldwide, since several million individuals over the age of 50 are at risk of bone damage and should be worried about their bone health. One in every two women and one in every four men will break a bone during their lifetime due to a metabolic bone disease. Early detection, raising bone health awareness, and maintaining a balanced healthy diet may reduce the risk of skeletal fractures caused by metabolic bone diseases. This review compiles information on the most common metabolic bone diseases (osteoporosis, primary hyperparathyroidism, osteomalacia, and fluorosis disease) seen in the global population, including their symptoms, mechanisms, and causes, as well as discussing their prevention and the development of new drugs for treatment. A large amount of research literature suggests that balanced nutrition and balanced periodic supplementation of calcium, phosphate, and vitamin D can improve re-absorption and the regrowth of bones, and inhibit the formation of skeletal fractures, except in the case of hereditary bone diseases. Meanwhile, new and improved drug formulations, such as raloxifene, teriparatide, sclerostin, denosumab, and abaloparatide, have been successfully developed and administered as treatments for metabolic bone diseases, while others (romososumab and odanacatib) are in various stages of clinical trials.
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Affiliation(s)
- Vijayakumar Natesan
- Department of Biochemistry and Biotechnology, Faculty of Science, Annamalai University, Annamalainagar 608002, Tamil Nadu, India
| | - Sung-Jin Kim
- Department of Pharmacology and Toxicology, Metabolic Diseases Research Laboratory, School of Dentistry, Kyung Hee University, Seoul 02447, Republic of Korea
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Galchenko A, Gapparova K, Sidorova E. The influence of vegetarian and vegan diets on the state of bone mineral density in humans. Crit Rev Food Sci Nutr 2021; 63:845-861. [PMID: 34723727 DOI: 10.1080/10408398.2021.1996330] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
There are so many literatures about vegetarians being less prone to chronic, noninfectious diseases, which are, however, the main cause of the decline in quality of life and mortality in developed countries.However, according to various scientific sources, vegetarian and especially vegan diets often contain less saturated fats, protein, calcium, vitamins D and B12, or long-chain ω-3 PUFAs. One of the most common pathology associated with a predominantly plant diet is osteopenia and osteoporosis. An analysis of 13 studies has shown that vegetarians and vegans are at a higher risk of reducing of bone mineral density, thereby increasing the incidence of fractures.At the same time, plant-based diets are usually richer in many other micronutrients important for bone health: vitamins C and K, carotenoids, potassium, magnesium, manganese, copper, or silicon. Moreover, with the deepening of our knowledge about the role of nutrients in the body and the features of the nutritional status of the population, the quality of vegetarian and vegan diets also increases. They are less and less prone to micronutrient deficiencies. Recent studies show that BMD, as well as the risk of osteoporotic fractures, at least in vegetarians, equaled these indicators in omnivores.
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Affiliation(s)
- Alexey Galchenko
- Department of preventive diet therapy, Federal Research Centre of Nutrition, Biotechnology and Food Safety, Moscow, Russian Federation.,Department of Medical Elementology, Peoples' Friendship University of Russia (RUDN University), Moscow, Russian Federation
| | - K Gapparova
- Department of preventive diet therapy, Federal Research Centre of Nutrition, Biotechnology and Food Safety, Moscow, Russian Federation
| | - E Sidorova
- I. M. Sechenov First Moscow State Medical University, Ministry of Health of the Russian Federation (Sechenov University), Moscow, Russian Federation
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Niedźwiedzki T, Filipowska J. Bone remodeling in the context of cellular and systemic regulation: the role of osteocytes and the nervous system. J Mol Endocrinol 2015; 55:R23-36. [PMID: 26307562 DOI: 10.1530/jme-15-0067] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 08/24/2015] [Indexed: 12/30/2022]
Abstract
Bone is a dynamic tissue that undergoes constant remodeling. The appropriate course of this process determines development and regeneration of the skeleton. Tight molecular control of bone remodeling is vital for the maintenance of appropriate physiology and microarchitecture of the bone, providing homeostasis, also at the systemic level. The process of remodeling is regulated by a rich innervation of the skeleton, being the source of various growth factors, neurotransmitters, and hormones regulating function of the bone. Although the course of bone remodeling at the cellular level is mainly associated with the activity of osteoclasts and osteoblasts, recently also osteocytes have gained a growing interest as the principal regulators of bone turnover. Osteocytes play a significant role in the regulation of osteogenesis, releasing sclerostin (SOST), an inhibitor of bone formation. The process of bone turnover, especially osteogenesis, is also modulated by extra-skeletal molecules. Proliferation and differentiation of osteoblasts are promoted by the brain-derived serotonin and hypothetically inhibited by its intestinal equivalent. The activity of SOST and serotonin is either directly or indirectly associated with the canonical Wnt/β-catenin signaling pathway, the main regulatory pathway of osteoblasts function. The impairment of bone remodeling may lead to many skeletal diseases, such as high bone mass syndrome or osteoporosis. In this paper, we review the most recent data on the cellular and molecular mechanisms of bone remodeling control, with particular emphasis on the role of osteocytes and the nervous system in this process.
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Affiliation(s)
- Tadeusz Niedźwiedzki
- Department of Orthopedics and PhysiotherapyCollegium Medicum, Jagiellonian University, Cracow, PolandDepartment of Cell Biology and ImagingInstitute of Zoology, Jagiellonian University, 9 Gronostajowa Street, 30-387 Cracow, Poland
| | - Joanna Filipowska
- Department of Orthopedics and PhysiotherapyCollegium Medicum, Jagiellonian University, Cracow, PolandDepartment of Cell Biology and ImagingInstitute of Zoology, Jagiellonian University, 9 Gronostajowa Street, 30-387 Cracow, Poland
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Balcerczyk A, Gajewska A, Macierzyńska-Piotrowska E, Pawelczyk T, Bartosz G, Szemraj J. Enhanced antioxidant capacity and anti-ageing biomarkers after diet micronutrient supplementation. Molecules 2014; 19:14794-808. [PMID: 25232703 PMCID: PMC6270881 DOI: 10.3390/molecules190914794] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2014] [Revised: 09/03/2014] [Accepted: 09/09/2014] [Indexed: 12/21/2022] Open
Abstract
A growing number of studies confirm an important effect of diet, lifestyle and physical activity on health status, the ageing process and many metabolic disorders. This study focuses on the influence of a diet supplement, NucleVital®Q10 Complex, on parameters related to redox homeostasis and ageing. An experimental group of 66 healthy volunteer women aged 35–55 supplemented their diet for 12 weeks with the complex, which contained omega-3 acids (1350 mg/day), ubiquinone (300 mg/day), astaxanthin (15 mg/day), lycopene (45 mg/day), lutein palmitate (30 mg/day), zeaxanthine palmitate (6 mg/day), L-selenomethionine (330 mg/day), cholecalciferol (30 µg/day) and α-tocopherol (45 mg/day). We found that NucleVital®Q10 Complex supplementation significantly increased total antioxidant capacity of plasma and activity of erythrocyte superoxide dismutase, with slight effects on oxidative stress biomarkers in erythrocytes; MDA and 4-hydroxyalkene levels. Apart from the observed antioxidative effects, the tested supplement also showed anti-ageing activity. Analysis of expression of SIRT1 and 2 in PBMCs showed significant changes for both genes on a mRNA level. The level of telomerase was also increased by more than 25%, although the length of lymphocyte telomeres, determined by RT-PCR, remained unchanged. Our results demonstrate beneficial effects concerning the antioxidant potential of plasma as well as biomarkers related to ageing even after short term supplementation of diet with NucleVital®Q10 Complex.
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Affiliation(s)
- Aneta Balcerczyk
- Department of Molecular Biophysics, University of Lodz, Pomorska 141/143, Lodz 90-236, Poland
| | - Agnieszka Gajewska
- Department of Molecular Biophysics, University of Lodz, Pomorska 141/143, Lodz 90-236, Poland
| | | | - Tomasz Pawelczyk
- Department of Affective and Psychotic Disorders, Medical University of Lodz, Czechoslowacka 8/10, Lodz 92-216, Poland
| | - Grzegorz Bartosz
- Department of Molecular Biophysics, University of Lodz, Pomorska 141/143, Lodz 90-236, Poland
| | - Janusz Szemraj
- Department of Medical Biochemistry, Medical University in Lodz, Mazowiecka 6/8, Lodz 92-215, Poland.
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Wu L, Liu W, Bayaer N, Gu W, Song J. Exogenous leptin administered intramuscularly induces sex hormone disorder and Ca loss via downregulation of Gnrh and PI3K expression. Exp Anim 2014; 63:447-57. [PMID: 25048263 PMCID: PMC4244293 DOI: 10.1538/expanim.63.447] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022] Open
Abstract
Obesity is a public health problem that increases the risk of metabolic disease,
infertility, and other chronic health problems. The present study aimed to develop a new
rat model for sex hormone disorder with overweight and Ca loss by intramuscular injection
of exogenous leptin (LEP). Thirty female Sprague-Dawley (SD) rats (40 days old) were
injected thrice intramuscularly with LEP or keyhole limpet hemocyanin immunogen. The
following analyses were performed to determine the development of appetite, overweight,
reproductive related-hormones, and calcium (Ca)/phosphorus (Pi) in SD rats: measurement of
Lee’s index, body weight, food intake; serum Ca, Pi, and hormone tests by enzyme-linked
immunosorbent analysis; histological analysis of abdominal fat; real-time polymerase chain
reaction analysis of neuropeptide Y, pro-opiomelanocortin, gonadotropin-releasing hormone
(Gnrh) mRNA, and gonadotropin-releasing hormone receptor
(Gnrhr) mRNA expression; and western blotting analysis of enzyme
phosphatidylinositol-3-kinase (PI3K). Rats injected with LEP immunogen displayed
significantly increased body weight, food intake, Lee’s index, serum LEP, serum cortisol,
fat deposition in the abdomen, and decreased hormones including follicle stimulating
hormone, luteinizing hormone, estradiol, cholecystokinin, and Ca. Exogenous LEP
administered intramuscularly also downregulate Gnrh and PI3K. In
conclusion, exogenous LEP administered intramuscularly is a novel animal model for sex
hormones disorder with overweight and Ca loss in SD rats. The downregulation of PI3K and
Gnrh may be involved in the development of this animal model.
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Affiliation(s)
- Lihong Wu
- Department of Laboratory Animal Center, Southern Medical University, 1023 Guangzhou North Road, 510515 Guangzhou, Guangdong, P.R. China
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Wu L, LIU W, BAYAER N, GU W, SONG J. Exogenous Leptin Administered Intramuscularly Induces Sex Hormone Disorder and Ca Loss via Downregulation of Gnrh and PI3K Expression. Exp Anim 2014. [DOI: 10.1538/expanim.14-0028] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022] Open
Affiliation(s)
- Lihong Wu
- Department of Laboratory Animal Center, Southern Medical University, 1023 Guangzhou North Road, 510515 Guangzhou, Guangdong, P.R. China
- Songshan Lake Pearl Laboratory Animal Sci. &Tech. Co., Ltd., 523808 Dongguan, P.R. China
- Key Laboratory of Oral Medicine, School and Hospital of Stomatology, Guangzhou Medical University, 510140 Guangzhou, P.R. China
| | - Wen LIU
- Department of Pathology, University of Tennessee Health Science Center, 38163 Memphis, Tennessee, USA
| | - Nashun BAYAER
- Department of Laboratory Animal Center, Guang Dong Medical College, 523808 Zhanjiang, P.R. China
| | - Weiwang GU
- Department of Laboratory Animal Center, Southern Medical University, 1023 Guangzhou North Road, 510515 Guangzhou, Guangdong, P.R. China
| | - Jieli SONG
- Department of Vasculocardiology, The Fifth Affiliated Hospital of Southern Medical University, 510900 Guang Zhou, Guangdong, P.R. China
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