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Xu K, Gao B, Liu T, Li J, Xiang Y, Fu Y, Zhao M. Association of blood mercury levels with bone mineral density in adolescents aged 12-19. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:46933-46939. [PMID: 36735129 DOI: 10.1007/s11356-023-25701-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/23/2022] [Accepted: 01/30/2023] [Indexed: 06/18/2023]
Abstract
Bone mass increases rapidly in adolescence, and achieving higher bone mineral density (BMD) during this period can help prevent osteoporosis. However, the effects of metallic mercury on bone health remain controversial. Previous studies have discussed perimenopausal women and older adults, while the association of blood mercury with BMD in adolescents is yet to be studied. Date was collected from the National Health and Nutrition Examination Survey (NHANES) 2011-2018. Weighted multiple linear regression models were used to explore the association of blood mercury levels with BMD in adolescents, while smooth curve fittings and weighted generalized additive models were used to identify the potential nonlinear association. We found that blood mercury levels were negatively associated with BMD in adolescents, though not significantly, based on the results of statistical analyses of 2818 participants. Additionally, the trend in BMD with changes in blood mercury was different in male and female adolescents. We also found an inverted U-shaped association between blood mercury and BMD in male and Mexican-American adolescents. This suggests that increased blood mercury levels within a range may benefit bone health in male adolescents (inflection point: 5.44 nmol/L) and Mexican-American adolescents (inflection point: 5.49 nmol/L), while higher blood mercury levels may harm bone health. More prospective research is needed to confirm our findings.
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Affiliation(s)
- Ke Xu
- Department of Pediatrics, The Third Xiangya Hospital, Central South University, Changsha, 410013, Hunan, China
- Xiangya School of Medicine, Central South University, Changsha, Hunan, China
| | - Bingqian Gao
- Department of Pediatrics, The Third Xiangya Hospital, Central South University, Changsha, 410013, Hunan, China
- Xiangya School of Medicine, Central South University, Changsha, Hunan, China
| | - Tingfeng Liu
- Xiangya School of Medicine, Central South University, Changsha, Hunan, China
| | - Jiayi Li
- Xiangya School of Medicine, Central South University, Changsha, Hunan, China
| | - Yixin Xiang
- Xiangya School of Medicine, Central South University, Changsha, Hunan, China
| | - Yicheng Fu
- Department of Pediatrics, Wuhan University Renmin Hospital, Wuhan University, Wuhan, 430060, Hubei, China
| | - Mingyi Zhao
- Department of Pediatrics, The Third Xiangya Hospital, Central South University, Changsha, 410013, Hunan, China.
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2
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Ciosek Ż, Kot K, Rotter I. Iron, Zinc, Copper, Cadmium, Mercury, and Bone Tissue. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2023; 20:2197. [PMID: 36767564 PMCID: PMC9915283 DOI: 10.3390/ijerph20032197] [Citation(s) in RCA: 18] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Revised: 01/13/2023] [Accepted: 01/24/2023] [Indexed: 06/18/2023]
Abstract
The paper presents the current understanding on the effects of five metals on bone tissue, namely iron, zinc, copper, cadmium, and mercury. Iron, zinc, and copper contribute significantly to human and animal metabolism when present in sufficient amounts, but their excess or shortage increases the risk of developing bone disorders. In contrast, cadmium and mercury serve no physiological purpose and their long-term accumulation damages the osteoarticular system. We discuss the methods of action and interactions between the discussed elements as well as the concentrations of each element in distinct bone structures.
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Affiliation(s)
- Żaneta Ciosek
- Chair and Department of Medical Rehabilitation and Clinical Physiotherapy, Pomeranian Medical University in Szczecin, Żołnierska 54, 70-210 Szczecin, Poland
| | - Karolina Kot
- Department of Biology and Medical Parasitology, Pomeranian Medical University in Szczecin, Powstańców Wielkopolskich 72, 70-111 Szczecin, Poland
| | - Iwona Rotter
- Chair and Department of Medical Rehabilitation and Clinical Physiotherapy, Pomeranian Medical University in Szczecin, Żołnierska 54, 70-210 Szczecin, Poland
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3
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Suzuki N, Honda M, Sato M, Yoshitake S, Kawabe K, Tabuchi Y, Omote T, Sekiguchi T, Furusawa Y, Toriba A, Tang N, Shimasaki Y, Nagato EG, Zhang L, Srivastav AK, Amornsakun T, Kitani Y, Matsubara H, Yazawa T, Hirayama J, Hattori A, Oshima Y, Hayakawa K. Hydroxylated benzo[c]phenanthrene metabolites cause osteoblast apoptosis and skeletal abnormalities in fish. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2022; 234:113401. [PMID: 35298967 DOI: 10.1016/j.ecoenv.2022.113401] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Revised: 02/19/2022] [Accepted: 03/06/2022] [Indexed: 06/14/2023]
Abstract
To study the toxicity of 3-hydroxybenzo[c]phenanthrene (3-OHBcP), a metabolite of benzo[c]phenanthrene (BcP), first we compared it with its parent compound, BcP, using an in ovo-nanoinjection method in Japanese medaka. Second, we examined the influence of 3-OHBcP on bone metabolism using goldfish. Third, the detailed mechanism of 3-OHBcP on bone metabolism was investigated using zebrafish and goldfish. The LC50s of BcP and 3-OHBcP in Japanese medaka were 5.7 nM and 0.003 nM, respectively, indicating that the metabolite was more than 1900 times as toxic as the parent compound. In addition, nanoinjected 3-OHBcP (0.001 nM) induced skeletal abnormalities. Therefore, fish scales with both osteoblasts and osteoclasts on the calcified bone matrix were examined to investigate the mechanisms of 3-OHBcP toxicity on bone metabolism. We found that scale regeneration in the BcP-injected goldfish was significantly inhibited as compared with that in control goldfish. Furthermore, 3-OHBcP was detected in the bile of BcP-injected goldfish, indicating that 3-OHBcP metabolized from BcP inhibited scale regeneration. Subsequently, the toxicity of BcP and 3-OHBcP to osteoblasts was examined using an in vitro assay with regenerating scales. The osteoblastic activity in the 3-OHBcP (10-10 to 10-7 M)-treated scales was significantly suppressed, while BcP (10-11 to 10-7 M)-treated scales did not affect osteoblastic activity. Osteoclastic activity was unchanged by either BcP or 3-OHBcP treatment at each concentration (10-11 to 10-7 M). The detailed toxicity of 3-OHBcP (10-9 M) in osteoblasts was then examined using gene expression analysis on a global scale with fish scales. Eight genes, including APAF1, CHEK2, and FOS, which are associated with apoptosis, were identified from the upregulated genes. This indicated that 3-OHBcP treatment induced apoptosis in fish scales. In situ detection of cell death by TUNEL methods was supported by gene expression analysis. This study is the first to demonstrate that 3-OHBcP, a metabolite of BcP, has greater toxicity than the parent compound, BcP.
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Affiliation(s)
- Nobuo Suzuki
- Noto Marine Laboratory, Institute of Nature and Environmental Technology, Kanazawa University, Noto-cho, Ishikawa 927-0553, Japan.
| | - Masato Honda
- Botanical Garden, Institute of Nature and Environmental Technology, Kanazawa University, Kakuma-machi, Ishikawa 920-1192, Japan
| | - Masayuki Sato
- Noto Marine Laboratory, Institute of Nature and Environmental Technology, Kanazawa University, Noto-cho, Ishikawa 927-0553, Japan
| | - Shuhei Yoshitake
- Laboratory of Marine Environmental Science, Faculty of Agriculture, Kyushu University, Fukuoka 819-0395, Japan
| | - Kimi Kawabe
- Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Kakuma, Ishikawa 920-1192, Japan
| | - Yoshiaki Tabuchi
- Life Science Research Center, University of Toyama, Sugitani, Toyama 930-0194, Japan
| | - Toshiki Omote
- Noto Marine Laboratory, Institute of Nature and Environmental Technology, Kanazawa University, Noto-cho, Ishikawa 927-0553, Japan
| | - Toshio Sekiguchi
- Noto Marine Laboratory, Institute of Nature and Environmental Technology, Kanazawa University, Noto-cho, Ishikawa 927-0553, Japan
| | - Yukihiro Furusawa
- Department of Pharmaceutical Engineering, Faculty of Engineering, Toyama Prefectural University, Kurokawa, Toyama 939-0398, Japan
| | - Akira Toriba
- Graduate School of Biomedical Sciences, Nagasaki University, Bunkyo-machi, Nagasaki 852-8521, Japan
| | - Ning Tang
- Institute of Nature and Environmental Technology, Kanazawa University, Kakuma-machi, Ishikawa 920-1192, Japan
| | - Yohei Shimasaki
- Laboratory of Marine Environmental Science, Faculty of Agriculture, Kyushu University, Fukuoka 819-0395, Japan
| | - Edward G Nagato
- Graduate School of Faculty of Life and Environmental Sciences, Shimane University, Matsue, Shimane 690-8504, Japan
| | - Lulu Zhang
- Institute of Nature and Environmental Technology, Kanazawa University, Kakuma-machi, Ishikawa 920-1192, Japan
| | - Ajai K Srivastav
- Department of Zoology, D.D.U. Gorakhpur University, Gorakhpur 273-009, India
| | - Thumronk Amornsakun
- Fisheries Technology Program, Faculty of Science and Technology, Prince of Songkla University, Pattani 94000, Thailand
| | - Yoichiro Kitani
- Noto Marine Laboratory, Institute of Nature and Environmental Technology, Kanazawa University, Noto-cho, Ishikawa 927-0553, Japan
| | - Hajime Matsubara
- Noto Center for Fisheries Science and Technology, Kanazawa University, Osaka, Noto-cho, Ishikawa 927-0552, Japan
| | - Takashi Yazawa
- Department of Biochemistry, Asahikawa Medical University, Hokkaido 078-8510, Japan
| | - Jun Hirayama
- Department of Clinical Engineering, Faculty of Health Sciences, Komatsu University, Komatsu, Ishikawa 923-0961, Japan
| | - Atsuhiko Hattori
- Department of Biology, College of Liberal Arts and Sciences, Tokyo Medical and Dental University, Ichikawa, Chiba 272-0827, Japan
| | - Yuji Oshima
- Laboratory of Marine Environmental Science, Faculty of Agriculture, Kyushu University, Fukuoka 819-0395, Japan
| | - Kazuichi Hayakawa
- Low Level Radioactivity Laboratory, Institute of Nature and Environmental Technology, Kanazawa University, Nomi city, Ishikawa 923-1224, Japan
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4
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Tang Y, Yi Q, Wang S, Xia Y, Geng B. Normal concentration range of blood mercury and bone mineral density: a cross-sectional study of National Health and Nutrition Examination Survey (NHANES) 2005-2010. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:7743-7757. [PMID: 34480303 DOI: 10.1007/s11356-021-16162-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/09/2021] [Accepted: 08/21/2021] [Indexed: 06/13/2023]
Abstract
High blood mercury levels could lead to mercury poisoning, undoubtedly causing great harm to human health. However, the impact of the normal concentration of blood mercury on bone mineral density (BMD) is unclear. Therefore, this study explored the relationship between blood mercury levels and BMD and determined whether the relationship between blood mercury and BMD differs by populations. Two researchers extracted data from the 2005-2010 National Health and Nutrition Examination Survey database. Multivariate linear regression models were performed to evaluate the relationship between mercury level and BMD of the femoral regions and spine. Subgroup analysis was used to estimate differences according to population subgroups. Moreover, the nonlinear relationship of blood mercury levels and BMD was assessed using smooth curve fitting and generalized additive models. The results showed increased BMD with increasing mercury levels by multivariable-adjusted linear regression models, especially in the femoral regions. Subgroup analysis showed that the relationship was more likely to be present in non-Hispanic Whites, while a negative correlation between blood mercury levels and spinal BMD was observed in non-Hispanic Blacks. Furthermore, males (aged 20 to 29 years) and females (aged 30 to 39 years) with low blood mercury levels (< 3 ug/L) had increased risks of osteopenia or osteoporosis. This study showed that blood mercury level within the normal reference value of 10 μg/dL may be associated with BMD, especially with a lower blood mercury level, which may suggest an elevated risk of osteopenia or osteoporosis. However, causation could not be established due to the study design.
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Affiliation(s)
- Yuchen Tang
- Department of Orthopaedics, Lanzhou University Second Hospital, #82 Cuiyingmen, Lanzhou, 730000, Gansu, China
- Orthopaedics Key Laboratory of Gansu Province, Lanzhou, Gansu, China
- Orthopaedic Clinical Research Center of Gansu Province, Lanzhou, Gansu, China
| | - Qiong Yi
- Department of Orthopaedics, Lanzhou University Second Hospital, #82 Cuiyingmen, Lanzhou, 730000, Gansu, China
- Orthopaedics Key Laboratory of Gansu Province, Lanzhou, Gansu, China
- Orthopaedic Clinical Research Center of Gansu Province, Lanzhou, Gansu, China
| | - Shenghong Wang
- Department of Orthopaedics, Lanzhou University Second Hospital, #82 Cuiyingmen, Lanzhou, 730000, Gansu, China
- Orthopaedics Key Laboratory of Gansu Province, Lanzhou, Gansu, China
- Orthopaedic Clinical Research Center of Gansu Province, Lanzhou, Gansu, China
| | - Yayi Xia
- Department of Orthopaedics, Lanzhou University Second Hospital, #82 Cuiyingmen, Lanzhou, 730000, Gansu, China
- Orthopaedics Key Laboratory of Gansu Province, Lanzhou, Gansu, China
- Orthopaedic Clinical Research Center of Gansu Province, Lanzhou, Gansu, China
| | - Bin Geng
- Department of Orthopaedics, Lanzhou University Second Hospital, #82 Cuiyingmen, Lanzhou, 730000, Gansu, China.
- Orthopaedics Key Laboratory of Gansu Province, Lanzhou, Gansu, China.
- Orthopaedic Clinical Research Center of Gansu Province, Lanzhou, Gansu, China.
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5
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Banjabi AA, Kurunthachalam K, Kumosani TA, Abulnaja KO, Al-Malki AL, Moselhy SS. Serum heavy metals of passive smoker females and its correlation to bone biomarkers and risk of osteoporosis. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:6943-6948. [PMID: 34467492 DOI: 10.1007/s11356-021-16186-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Accepted: 08/23/2021] [Indexed: 06/13/2023]
Abstract
Serum total and free calcium reflect the status of the body health and disease. Smoking is risk factor for many diseases as cardiovascular, lung, and cancers. The goal of this work is to evaluate the correlation between serum lead, cadmium arsenate resulting from passive smoking, and bone status in females. This study was conducted on two hundred women (age 30-50 years) divided into four groups (each 50). Group I, control, included non-smoking healthy women. Group II included heavy smoker (>20 cigarettes/day). Group III, nonsmoker women with osteoporosis, have many fractures. Group IV, smoking women with osteoporosis, included heavy smokers (>20 cigarettes/day) with osteoporotic women and have many fractures. Data obtained showed that T-score of osteoporotic smokers was -3.5 that indicated reduced bone mineral density (BMD) while serum total and ionized calcium were statistically significant decreased in smokers with or without osteoporosis compared with nonsmokers (p < 0.001). A negative correlation between total and free calcium and cadmium levels in smokers was compared with nonsmokers (r =-0.65). The levels of C-terminal pro-peptide of pro-collagen type I (PICP) and N-terminal pro-peptide of procollagen type I (PINP) were higher in smoker osteoporotic women than nonsmokers. It was concluded that cadmium resulting from smoking may compete with absorption of calcium and reduced its level and BMD and increased incidence of osteoporosis. The elevated PICP and PINP indicated decreased rate of proto collagen I turnover in bone tissue and increased incidence of osteoporosis.
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Affiliation(s)
| | - Kannan Kurunthachalam
- Biochemistry Department, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia
- Department of Environmental Medicine, University School of Medicine, New York, NY, 10016, USA
| | - Taha Abdullah Kumosani
- Biochemistry Department, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia
- Experimental Biochemistry Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah, Saudi Arabia
- Production of Bio-products for Industrial Applications Research Group, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Khalid Omar Abulnaja
- Biochemistry Department, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia
- Experimental Biochemistry Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah, Saudi Arabia
- Bioactive Natural Products Research Group, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Abdulrahman Labeed Al-Malki
- Biochemistry Department, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia.
- Experimental Biochemistry Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah, Saudi Arabia.
- Bioactive Natural Products Research Group, King Abdulaziz University, Jeddah, Saudi Arabia.
| | - Said Salama Moselhy
- Biochemistry Department, Faculty of Science, Ain Shams University, Cairo, Egypt
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de Oliveira Lopes G, Aragão WAB, Bittencourt LO, Puty B, Lopes AP, Dos Santos SM, Monteiro MC, de Oliveira EHC, da Silva MCF, Lima RR. Imaging Microstructural Damage and Alveolar Bone Loss in Rats Systemically Exposed to Methylmercury: First Experimental Evidence. Biol Trace Elem Res 2021; 199:3707-3717. [PMID: 33409908 DOI: 10.1007/s12011-020-02492-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/27/2020] [Accepted: 11/12/2020] [Indexed: 10/22/2022]
Abstract
The alveolar bone is an important mineralized structure of the periodontal support apparatus, and information about the methylmercury (MeHg) effects on the structural integrity is scarce. Therefore, this study aimed to investigate whether systemic, chronic, and low-dose exposure to MeHg can change the alveolar bone microstructure of rats. Adult Wistar rats (n = 30) were exposed to 0.04 mg/kg/day of MeHg or vehicle through intragastric gavage. The animals were euthanized after 60 days, and blood samples were collected for trolox equivalent antioxidant capacity (TEAC), glutathione (GSH), lipid peroxidation (LPO), and comet assays. The mandible of each animal was collected and separated into hemimandibles that were used to determine the total Hg level in the bone and to analyze microstructural damage and alveolar bone loss in terms of trabecular number (Tb.N), trabecular thickness (Tb.Th), bone volume fraction (BV/TV), and exposed root area of the second molars. MeHg exposure triggered oxidative stress in blood represented by lower levels of GSH and TEAC and the increase in LPO and DNA damage of the blood cells. High total Hg levels were found in the alveolar bone, and the microstructural analyses showed a reduction in Tb.N, Tb.Th, and BV/TV, which resulted in an increase in the exposed root area and a decrease in bone height. Long-term MeHg exposure promotes a systemic redox imbalance associated with microstructural changes and alveolar bone loss and may indicate a potential risk indicator for periodontal diseases.
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Affiliation(s)
- Géssica de Oliveira Lopes
- Laboratory of Functional and Structural Biology, Institute of Biological Sciences, Federal University of Pará, Augusto Corrêa Street N. 01, Guamá, Belém, Pará, 66075-110, Brazil
| | - Walessa Alana Bragança Aragão
- Laboratory of Functional and Structural Biology, Institute of Biological Sciences, Federal University of Pará, Augusto Corrêa Street N. 01, Guamá, Belém, Pará, 66075-110, Brazil
| | - Leonardo Oliveira Bittencourt
- Laboratory of Functional and Structural Biology, Institute of Biological Sciences, Federal University of Pará, Augusto Corrêa Street N. 01, Guamá, Belém, Pará, 66075-110, Brazil
| | - Bruna Puty
- Laboratory of Functional and Structural Biology, Institute of Biological Sciences, Federal University of Pará, Augusto Corrêa Street N. 01, Guamá, Belém, Pará, 66075-110, Brazil
| | - Armando Pereira Lopes
- School of Dentistry, Institute of Health Sciences, Federal University of Pará, Belém, Brazil
| | - Sávio Monteiro Dos Santos
- Laboratory of Clinical Immunology and Oxidative Stress, Pharmacy Faculty, Institute of Health Sciences, Federal University of Pará, Belém, Brazil
| | - Marta Chagas Monteiro
- Laboratory of Clinical Immunology and Oxidative Stress, Pharmacy Faculty, Institute of Health Sciences, Federal University of Pará, Belém, Brazil
| | - Edivaldo Herculano Corrêa de Oliveira
- Cytogenetics and Tissue Culture Laboratory, Evandro Chagas Institute, Ananindeua, Brazil
- Exact and Natural Sciences Institute, Federal University of Pará, Belém, Brazil
| | - Márcia Cristina Freitas da Silva
- Laboratory of Functional and Structural Biology, Institute of Biological Sciences, Federal University of Pará, Augusto Corrêa Street N. 01, Guamá, Belém, Pará, 66075-110, Brazil
| | - Rafael Rodrigues Lima
- Laboratory of Functional and Structural Biology, Institute of Biological Sciences, Federal University of Pará, Augusto Corrêa Street N. 01, Guamá, Belém, Pará, 66075-110, Brazil.
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7
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Yamamoto T, Ikegame M, Hirayama J, Kitamura KI, Tabuchi Y, Furusawa Y, Sekiguchi T, Endo M, Mishima H, Seki A, Yano S, Matsubara H, Hattori A, Suzuki N. Expression of sclerostin in the regenerating scales of goldfish and its increase under microgravity during space flight. Biomed Res 2021; 41:279-288. [PMID: 33268672 DOI: 10.2220/biomedres.41.279] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Osteocytes, osteoblasts (bone-forming cells), and osteoclasts (bone-resorbing cells) are the primary types of cells that regulate bone metabolism in mammals. Sclerostin produced in bone cells activates osteoclasts, inhibiting bone formation; excess production of sclerostin, therefore, leads to the loss of bone mass. Fish scales have been reported to have morphological and functional similarities to mammalian bones, making them a useful experimental system for analyzing vertebrate bone metabolism in vitro. However, whether fish scales contain cells producing sclerostin and/or osteocytes has not been determined. The current study demonstrated, for the first time, that sclerostin-containing cells exist in goldfish scales. Analysis of the distribution and shape of sclerostin-expressing cells provided evidence that osteoblasts produce sclerostin in goldfish scales. Furthermore, our results found that osteocyte-like cells exist in goldfish scales, which also produce sclerostin. Finally, we demonstrated that microgravity in outer space increased the level of sclerostin in the scales of goldfish, a finding suggesting that the induction of sclerostin is the mechanism underlying the activation of osteoclasts under microgravity.
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Affiliation(s)
- Tatsuki Yamamoto
- Noto Marine Laboratory, Division of Marine Environmental Studies, Institute of Nature and Environmental Technology, Kanazawa University
| | - Mika Ikegame
- Department of Oral Morphology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
| | - Jun Hirayama
- Department of Clinical Engineering, Faculty of Health Sciences, Komatsu University
| | - Kei-Ichiro Kitamura
- Department of Clinical Laboratory Science, Division of Health Sciences, Graduate School of Medical Science, Kanazawa University
| | | | - Yukihiro Furusawa
- Department of Liberal Arts and Sciences, Toyama Prefectural University
| | - Toshio Sekiguchi
- Noto Marine Laboratory, Division of Marine Environmental Studies, Institute of Nature and Environmental Technology, Kanazawa University
| | - Masato Endo
- Department of Marine Biosciences, Tokyo University of Marine Science and Technology
| | - Hiroyuki Mishima
- Department of Dental Engineering, Tsurumi University School of Dental Medicine
| | | | | | - Hajime Matsubara
- Noto Center for Fisheries Science and Technology, Kanazawa University
| | - Atsuhiko Hattori
- Department of Biology, College of Liberal Arts and Sciences, Tokyo Medical and Dental University
| | - Nobuo Suzuki
- Noto Marine Laboratory, Division of Marine Environmental Studies, Institute of Nature and Environmental Technology, Kanazawa University
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8
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Jalili C, Kazemi M, Taheri E, Mohammadi H, Boozari B, Hadi A, Moradi S. Exposure to heavy metals and the risk of osteopenia or osteoporosis: a systematic review and meta-analysis. Osteoporos Int 2020; 31:1671-1682. [PMID: 32361950 DOI: 10.1007/s00198-020-05429-6] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/26/2020] [Accepted: 04/22/2020] [Indexed: 01/21/2023]
Abstract
The relationship between heavy metal exposure and risk of osteopenia or osteoporosis has biological plausibility, yet it remains inconclusive; therefore, we conducted a systematic review and meta-analysis to evaluate the associations between exposure to heavy metals (i.e., cadmium, lead, and mercury) and the risk of osteopenia or osteoporosis. Databases of MEDLINE, Embase, Scopus, and Web of Science were searched through November 2019, to identify studies that evaluated the relationship between exposure to cadmium, lead, and mercury and risk of osteopenia or osteoporosis in adults. Fourteen eligible studies were included. Effect sizes expressed as pooled odds ratios (OR) and 95% confidence intervals (CI) were estimated using weighted random-effect models. Exposure to cadmium (OR = 1.35; 95% CI: 1.17 to 1.56; P ≤ 0.001) and lead (OR = 1.15; 95% CI: 1.00 to 1.32; P = 0.05) was associated with an increased risk of osteopenia or osteoporosis, unlike mercury. Subgroup analyses showed cadmium exposure increased the risk of osteopenia or osteoporosis in older (> 65 yrs.; OR = 1.43; 95%CI: 1.08 to 1.88, P = 0.01) compared with younger (18-65 yrs.; OR = 1.24; 95% CI: 1.02 to 1.52, P = 0.03) adults. Also, lead exposure increased the risk in men (OR = 1.55; 95% CI: 1.15 to 2.09, P = 0.007) unlike in women. By contrast to urinary levels, blood (OR = 1.26; 95% CI: 1.08 to 1.47, P = 0.003) and dietary (OR = 1.46; 95% CI: 1.28 to 1.67, P < 0.001) levels of cadmium were associated with an increased risk of osteopenia or osteoporosis. Exposure to cadmium and lead may be associated with an increased risk of osteopenia or osteoporosis, although high heterogeneity was detected.
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Affiliation(s)
- C Jalili
- Medical Biology Research Center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - M Kazemi
- Division of Nutritional Sciences, Human Metabolic Research Unit, Cornell University, Ithaca, NY, USA
| | - E Taheri
- Environment Research Center, Research Institute for Primordial Prevention of Non-Communicable Disease, Isfahan University of Medical Sciences, Isfahan, Iran
- Department of Environmental Health Engineering, School of Health, Isfahan University of Medical Sciences, Isfahan, Iran
| | - H Mohammadi
- Department of Clinical Nutrition, School of Nutrition and Food Science, Isfahan University of Medical Sciences, Isfahan, Iran
| | - B Boozari
- Department of Clinical Nutrition, School of Nutrition and Food Science, Isfahan University of Medical Sciences, Isfahan, Iran
| | - A Hadi
- Halal Research Center of IRI, FDA, Tehran, Iran
| | - S Moradi
- Department of Clinical Nutrition, School of Nutrition and Food Science, Isfahan University of Medical Sciences, Isfahan, Iran.
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9
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Prada D, López G, Solleiro-Villavicencio H, Garcia-Cuellar C, Baccarelli AA. Molecular and cellular mechanisms linking air pollution and bone damage. ENVIRONMENTAL RESEARCH 2020; 185:109465. [PMID: 32305664 PMCID: PMC7430176 DOI: 10.1016/j.envres.2020.109465] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/10/2020] [Revised: 03/10/2020] [Accepted: 03/29/2020] [Indexed: 05/04/2023]
Abstract
Air pollution is the second most important risk factor associated with noncommunicable diseases after smoking. The effects of pollution on health are commonly attributable to particulate matter (PM), a complex mixture of particles suspended in the air. PM can penetrate the lower respiratory tract and has harmful direct and indirect effects on different organs and tissues. Direct effects are caused by the ability of PM components to cross the respiratory membrane and enter the bloodstream; indirect effects are systemic consequences of the local airway response. Recent work suggests that PM is an independent risk factor for low bone mineral density and osteoporosis-related fractures. Osteoporosis is a common age-related disease closely linked to bone fractures, with severe clinical consequences affecting quality of life, morbidity, and mortality. In this review, we discuss potential mechanisms behind the association between outdoor air pollution, especially PM, and bone damage. The discussion features four main mechanisms: 1) several different atmospheric pollutants can induce low-grade systemic inflammation, which affects bone metabolism through a specific effect of cytokines such as TNFα, IL-1β, IL-6, and IL-17 on osteoblast and osteoclast differentiation and function; 2) some pollutants, particularly certain gas and metal compounds, can cause oxidative damage in the airway and bone cells; 3) different groups of pollutants can act as endocrine disruptors when binding to the receptors in bone cells, changing their functioning; and 4) air pollution can directly and indirectly cause vitamin D deficiency. Characterizing these mechanisms will better define the physiopathology of bone damage, and recognizing air pollution as a modifiable risk factor for osteoporosis will inform environmental policies. Such knowledge will also guide the prevention of fractures due to fragility and help reduce health-related costs.
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Affiliation(s)
- Diddier Prada
- Department of Environmental Health Sciences, Columbia University Mailman School of Public Health, New York, 10032, USA; Unit for Biomedical Research in Cancer, Instituto Nacional de Cancerología - Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, Mexico City, 14080, Mexico; Department of Biomedical Informatics, Faculty of Medicine, Universidad Nacional Autónoma de México, Mexico City, 04510, Mexico.
| | - Gerard López
- Program of Support and Promotion of Research (AFINES), School of Medicine, Universidad Nacional Autónoma de México, Mexico City, 04510, Mexico; Department of Physiology, Universidad Nacional Autónoma de México, Mexico City, 14080, Mexico.
| | - Helena Solleiro-Villavicencio
- Program of Support and Promotion of Research (AFINES), School of Medicine, Universidad Nacional Autónoma de México, Mexico City, 04510, Mexico.
| | - Claudia Garcia-Cuellar
- Unit for Biomedical Research in Cancer, Instituto Nacional de Cancerología - Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, Mexico City, 14080, Mexico.
| | - Andrea A Baccarelli
- Department of Environmental Health Sciences, Columbia University Mailman School of Public Health, New York, 10032, USA.
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10
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Influence of Benz[ a]anthracene on Bone Metabolism and on Liver Metabolism in Nibbler Fish, Girella punctata. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2020; 17:ijerph17041391. [PMID: 32098178 PMCID: PMC7068328 DOI: 10.3390/ijerph17041391] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/12/2019] [Revised: 02/08/2020] [Accepted: 02/18/2020] [Indexed: 12/28/2022]
Abstract
It has been reported that spinal deformity was induced in developing fish by the addition of polycyclic aromatic hydrocarbons (PAHs). To examine the mechanism of the disruption of fish bone metabolism, the effect of benz[a]anthracene (BaA), a kind of PAH, on plasma calcium, inorganic phosphorus, osteoblasts, and osteoclasts was investigated in this study. We also measured several plasma components to analyze the toxicity of BaA on other metabolisms. BaA (1 or 10 ng/g body weight) was intraperitoneally injected (four times) into nibbler fish during breeding, for 10 days, and it was indicated, for the first time, that injecting high doses of BaA to nibbler fish induced both hypocalcemia and hypophosphatemia. Furthermore, in the scales of nibbler fish treated with high doses of BaA, both osteoclastic and osteoblastic marker messengerRNA (mRNA) expressions decreased. These results are a cause of disruption of bone metabolism and, perhaps, the induction of spinal deformities. In addition, we found that total protein, metabolic enzymes in the liver, total cholesterol, free cholesterol, and high-density lipoprotein cholesterol levels significantly decreased in BaA-injected fish. These results indicate that BaA may affect liver diseases and emphasize the importance of prevention of aquatic PAH pollution.
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11
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A Review of Metal Exposure and Its Effects on Bone Health. J Toxicol 2018; 2018:4854152. [PMID: 30675155 PMCID: PMC6323513 DOI: 10.1155/2018/4854152] [Citation(s) in RCA: 101] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2018] [Revised: 09/28/2018] [Accepted: 11/20/2018] [Indexed: 12/21/2022] Open
Abstract
The presence of metals in the environment is a matter of concern, since human activities are the major cause of pollution and metals can enter the food chain and bioaccumulate in hard and soft tissues/organs, which results in a long half-life of the metal in the body. Metal intoxication has a negative impact on human health and can alter different systems depending on metal type and concentration and duration of metal exposure. The present review focuses on the most common metals found in contaminated areas (cadmium, zinc, copper, nickel, mercury, chromium, lead, aluminum, titanium, and iron, as well as metalloid arsenic) and their effects on bone tissue. Both the lack and excess of these metals in the body can alter bone dynamics. Long term exposure and short exposure to high concentrations induce an imbalance in the bone remodeling process, altering both formation and resorption and leading to the development of different bone pathologies.
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12
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Pinto PIS, Estêvão MD, Santos S, Andrade A, Power DM. In vitro screening for estrogenic endocrine disrupting compounds using Mozambique tilapia and sea bass scales. Comp Biochem Physiol C Toxicol Pharmacol 2017; 199:106-113. [PMID: 28602910 DOI: 10.1016/j.cbpc.2017.06.002] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/28/2016] [Revised: 05/19/2017] [Accepted: 06/06/2017] [Indexed: 01/07/2023]
Abstract
A wide range of estrogenic endocrine disruptors (EDCs) are accumulating in the environment and may disrupt the physiology of aquatic organisms. The effects of EDCs on fish have mainly been assessed using reproductive endpoints and in vivo animal experiments. We used a simple non-invasive assay to evaluate the impact of estrogens and EDCs on sea bass (Dicentrarchus labrax) and tilapia (Oreochromis mossambicus) scales. These were exposed to estradiol (E2), two phytoestrogens and six anthropogenic estrogenic/anti-estrogenic EDCs and activities of enzymes related to mineralized tissue turnover (TRAP, tartrate-resistant acid phosphatase and ALP, alkaline phosphatase) were measured. Semi-quantitative RT-PCR detected the expression of both membrane and nuclear estrogen receptors in the scales of both species, confirming scales as a target for E2 and EDCs through different mechanisms. Changes in TRAP or ALP activities after 30minute and 24h exposure were detected in sea bass and tilapia scales treated with E2 and three EDCs, although compound-, time- and dose-specific responses were observed for the two species. These results support again that the mineralized tissue turnover of fish is regulated by estrogens and reveals that the scales are a mineralized estrogen-responsive tissue that may be affected by some EDCs. The significance of these effects for whole animal physiology needs to be further explored. The in vitro fish scale bioassay is a promising non-invasive screening tool for E2 and EDCs effects, although the low sensitivity of TRAP/ALP quantification limits their utility and indicates that alternative endpoints are required.
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Affiliation(s)
- Patrícia I S Pinto
- Centre of Marine Sciences (CCMAR), Universidade do Algarve, Campus de Gambelas, 8005-139 Faro, Portugal.
| | - M Dulce Estêvão
- Centre of Marine Sciences (CCMAR), Universidade do Algarve, Campus de Gambelas, 8005-139 Faro, Portugal; Escola Superior de Saúde, Universidade do Algarve, Av. Dr. Adelino da Palma Carlos, 8000-510 Faro, Portugal
| | - Soraia Santos
- Centre of Marine Sciences (CCMAR), Universidade do Algarve, Campus de Gambelas, 8005-139 Faro, Portugal
| | - André Andrade
- Centre of Marine Sciences (CCMAR), Universidade do Algarve, Campus de Gambelas, 8005-139 Faro, Portugal
| | - Deborah M Power
- Centre of Marine Sciences (CCMAR), Universidade do Algarve, Campus de Gambelas, 8005-139 Faro, Portugal.
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13
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Suzuki N, Sato M, Nassar HF, Abdel-Gawad FK, Bassem SM, Yachiguchi K, Tabuchi Y, Endo M, Sekiguchi T, Urata M, Hattori A, Mishima H, Shimasaki Y, Oshima Y, Hong CS, Makino F, Tang N, Toriba A, Hayakawa K. Seawater Polluted with Highly Concentrated Polycyclic Aromatic Hydrocarbons Suppresses Osteoblastic Activity in the Scales of Goldfish, Carassius auratus. Zoolog Sci 2017; 33:407-13. [PMID: 27498800 DOI: 10.2108/zs150211] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
We have developed an original in vitro bioassay using teleost scale, that has osteoclasts, osteoblasts, and bone matrix as each marker: alkaline phosphatase (ALP) for osteoblasts and tartrate-resistant acid phosphatase (TRAP) for osteoclasts. Using this scale in vitro bioassay, we examined the effects of seawater polluted with highly concentrated polycyclic aromatic hydrocarbons (PAHs) and nitro-polycyclic aromatic hydrocarbons (NPAHs) on osteoblastic and osteoclastic activities in the present study. Polluted seawater was collected from two sites (the Alexandria site on the Mediterranean Sea and the Suez Canal site on the Red Sea). Total levels of PAHs in the seawater from the Alexandria and Suez Canal sites were 1364.59 and 992.56 ng/l, respectively. We were able to detect NPAHs in both seawater samples. Total levels of NPAHs were detected in the seawater of the Alexandria site (12.749 ng/l) and the Suez Canal site (3.914 ng/l). Each sample of polluted seawater was added to culture medium at dilution rates of 50, 100, and 500, and incubated with the goldfish scales for 6 hrs. Thereafter, ALP and TRAP activities were measured. ALP activity was significantly suppressed by both polluted seawater samples diluted at least 500 times, but TRAP activity did not change. In addition, mRNA expressions of osteoblastic markers (ALP, osteocalcin, and the receptor activator of the NF-κB ligand) decreased significantly, as did the ALP enzyme activity. In fact, ALP activity decreased on treatment with PAHs and NPAHs. We conclude that seawater polluted with highly concentrated PAHs and NPAHs influences bone metabolism in teleosts.
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Affiliation(s)
- Nobuo Suzuki
- 1 Noto Marine Laboratory, Institute of Nature and Environmental Technology, Division of Marine Environmental Studies, Kanazawa University, Housu-gun, Ishikawa 927-0553, Japan
| | - Masayuki Sato
- 1 Noto Marine Laboratory, Institute of Nature and Environmental Technology, Division of Marine Environmental Studies, Kanazawa University, Housu-gun, Ishikawa 927-0553, Japan
| | - Hossam F Nassar
- 2 Environmental Research Division, Water Pollution Control Department, National Research Center, Cairo 12621, Egypt
| | - Fagr Kh Abdel-Gawad
- 2 Environmental Research Division, Water Pollution Control Department, National Research Center, Cairo 12621, Egypt
| | - Samah M Bassem
- 2 Environmental Research Division, Water Pollution Control Department, National Research Center, Cairo 12621, Egypt
| | - Koji Yachiguchi
- 1 Noto Marine Laboratory, Institute of Nature and Environmental Technology, Division of Marine Environmental Studies, Kanazawa University, Housu-gun, Ishikawa 927-0553, Japan
| | - Yoshiaki Tabuchi
- 3 Division of Molecular Genetics Research, Life Science Research Center, University of Toyama, Sugitani, Toyama 930-0194, Japan
| | - Masato Endo
- 4 Department of Marine Biosciences, Division of Marine Science, Tokyo University of Marine Science and Technology, Minato-ku, Tokyo 108-8477, Japan
| | - Toshio Sekiguchi
- 1 Noto Marine Laboratory, Institute of Nature and Environmental Technology, Division of Marine Environmental Studies, Kanazawa University, Housu-gun, Ishikawa 927-0553, Japan
| | - Makoto Urata
- 1 Noto Marine Laboratory, Institute of Nature and Environmental Technology, Division of Marine Environmental Studies, Kanazawa University, Housu-gun, Ishikawa 927-0553, Japan.,5 Institute of Noto SATOUMI Education and Studies, Noto-cho, Ishikawa 927-0553, Japan
| | - Atsuhiko Hattori
- 6 Department of Biology, College of Liberal Arts and Sciences, Tokyo Medical and Dental University, Ichikawa, Chiba 272-0827, Japan
| | - Hiroyuki Mishima
- 7 Department of Medical Hygiene, Kochi Gakuen College, Kochi 780-0955, Japan
| | - Youhei Shimasaki
- 8 Laboratory of Marine Environmental Science, Faculty of Agriculture, Kyushu University, Hakozaki 6-10-1, Higashi-ku, Fukuoka 812-8581, Japan
| | - Yuji Oshima
- 8 Laboratory of Marine Environmental Science, Faculty of Agriculture, Kyushu University, Hakozaki 6-10-1, Higashi-ku, Fukuoka 812-8581, Japan
| | - Chun-Sang Hong
- 9 Hankuk University of Foreign Studies, 81, Oedae-ro, Mohyeon-myeon, Cheoin-gu, Yongin-si, Gyeonggi-do 17035, Korea
| | - Fumiya Makino
- 10 Faculty of Pharmaceutical Sciences, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Kakuma, Ishikawa 920-1192, Japan
| | - Ning Tang
- 10 Faculty of Pharmaceutical Sciences, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Kakuma, Ishikawa 920-1192, Japan
| | - Akira Toriba
- 10 Faculty of Pharmaceutical Sciences, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Kakuma, Ishikawa 920-1192, Japan
| | - Kazuichi Hayakawa
- 1 Noto Marine Laboratory, Institute of Nature and Environmental Technology, Division of Marine Environmental Studies, Kanazawa University, Housu-gun, Ishikawa 927-0553, Japan.,10 Faculty of Pharmaceutical Sciences, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Kakuma, Ishikawa 920-1192, Japan
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14
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Smith JT, Schneider AD, Katchko KM, Yun C, Hsu EL. Environmental Factors Impacting Bone-Relevant Chemokines. Front Endocrinol (Lausanne) 2017; 8:22. [PMID: 28261155 PMCID: PMC5306137 DOI: 10.3389/fendo.2017.00022] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/01/2016] [Accepted: 01/25/2017] [Indexed: 01/07/2023] Open
Abstract
Chemokines play an important role in normal bone physiology and the pathophysiology of many bone diseases. The recent increased focus on the individual roles of this class of proteins in the context of bone has shown that members of the two major chemokine subfamilies-CC and CXC-support or promote the formation of new bone and the remodeling of existing bone in response to a myriad of stimuli. These chemotactic molecules are crucial in orchestrating appropriate cellular homing, osteoblastogenesis, and osteoclastogenesis during normal bone repair. Bone healing is a complex cascade of carefully regulated processes, including inflammation, progenitor cell recruitment, differentiation, and remodeling. The extensive role of chemokines in these processes and the known links between environmental contaminants and chemokine expression/activity leaves ample opportunity for disruption of bone healing by environmental factors. However, despite increased clinical awareness, the potential impact of many of these environmental factors on bone-related chemokines is still ill defined. A great deal of focus has been placed on environmental exposure to various endocrine disruptors (bisphenol A, phthalate esters, etc.), volatile organic compounds, dioxins, and heavy metals, though mainly in other tissues. Awareness of the impact of other less well-studied bone toxicants, such as fluoride, mold and fungal toxins, asbestos, and chlorine, is also reviewed. In many cases, the literature on these toxins in osteogenic models is lacking. However, research focused on their effects in other tissues and cell lines provides clues for where future resources could be best utilized. This review aims to serve as a current and exhaustive resource detailing the known links between several classes of high-interest environmental pollutants and their interaction with the chemokines relevant to bone healing.
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Affiliation(s)
- Justin T. Smith
- Department of Orthopaedic Surgery, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
- Simpson Querrey Institute for BioNanotechnology, Northwestern University, Chicago, IL, USA
| | - Andrew D. Schneider
- Department of Orthopaedic Surgery, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
- Simpson Querrey Institute for BioNanotechnology, Northwestern University, Chicago, IL, USA
| | - Karina M. Katchko
- Department of Orthopaedic Surgery, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
- Simpson Querrey Institute for BioNanotechnology, Northwestern University, Chicago, IL, USA
| | - Chawon Yun
- Department of Orthopaedic Surgery, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
- Simpson Querrey Institute for BioNanotechnology, Northwestern University, Chicago, IL, USA
| | - Erin L. Hsu
- Department of Orthopaedic Surgery, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
- Simpson Querrey Institute for BioNanotechnology, Northwestern University, Chicago, IL, USA
- *Correspondence: Erin L. Hsu,
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15
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Sato M, Hanmoto T, Yachiguchi K, Tabuchi Y, Kondo T, Endo M, Kitani Y, Sekiguchi T, Urata M, Hai TN, Srivastav AK, Mishima H, Hattori A, Suzuki N. Sodium fluoride induces hypercalcemia resulting from the upregulation of both osteoblastic and osteoclastic activities in goldfish, Carassius auratus. Comp Biochem Physiol C Toxicol Pharmacol 2016; 189:54-60. [PMID: 27475026 DOI: 10.1016/j.cbpc.2016.07.006] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/31/2016] [Revised: 07/20/2016] [Accepted: 07/22/2016] [Indexed: 11/30/2022]
Abstract
The influence of sodium fluoride (NaF) on calcium metabolism was examined in goldfish (fresh water teleost). At 2days after administration of NaF (500ng/g body weight; 5μg/g body weight) (around 10(-5) to 10(-4)M in goldfish), we indicated that plasma calcium levels upregulated in both doses of NaF-treated goldfish. To examine the mechanism of hypercalcemia by NaF treatments, therefore, direct effects of NaF on osteoblasts and osteoclasts in goldfish were investigated by an original assay system using teleost scale which has osteoblasts, osteoclasts and bone matrix. Alkaline phosphatase activity in the scales increased with the treatment of NaF (10(-6) and 10(-5)M) during 6h of incubation. Also, tartrate-resistant acid phosphatase activity increased after exposure to NaF (10(-5)M) at the 6h of incubation. To investigate the osteoclastic activation, the mRNA expression of osteoclastogenesis related factors were examined. The receptor activator of the nuclear factor-κB ligand (RANKL) which is known as a factor for osteoclastogenesis, increased in the NaF-treated scales after 6h of incubation. The ratio of RANKL/osteoprotegerin (osteoclastogenesis inhibitory factor) significantly increased after 6h of incubation. Resulting from the increase of RANKL mRNA level, the expression of transcription-regulating factors was significantly increased. Furthermore, the expression of functional genes, cathepsin K and matrix metalloproteinase-9 mRNA, was significantly increased. In our knowledge, this is the first report concerning the effects of NaF on osteoblasts and osteoclasts in teleosts. We concluded that NaF influences calcium metabolism via osteoclastic activation in goldfish.
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Affiliation(s)
- Masayuki Sato
- Noto Marine Laboratory, Institute of Nature and Environmental Technology, Kanazawa University, Housu-gun, Ishikawa 927-0553, Japan
| | - Taizo Hanmoto
- Noto Marine Laboratory, Institute of Nature and Environmental Technology, Kanazawa University, Housu-gun, Ishikawa 927-0553, Japan
| | - Koji Yachiguchi
- Noto Marine Laboratory, Institute of Nature and Environmental Technology, Kanazawa University, Housu-gun, Ishikawa 927-0553, Japan
| | - Yoshiaki Tabuchi
- Division of Molecular Genetics Research, Life Science Research Center, University of Toyama, Sugitani, Toyama 930-0194, Japan
| | - Takashi Kondo
- Department of Radiological Sciences, Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama, Sugitani, Toyama 930-0194, Japan
| | - Masato Endo
- Graduate School of Marine Science and Technology, Tokyo University of Marine Science and Technology, Minato-ku, Tokyo 108-8477, Japan
| | - Yoichiro Kitani
- Noto Marine Laboratory, Institute of Nature and Environmental Technology, Kanazawa University, Housu-gun, Ishikawa 927-0553, Japan
| | - Toshio Sekiguchi
- Noto Marine Laboratory, Institute of Nature and Environmental Technology, Kanazawa University, Housu-gun, Ishikawa 927-0553, Japan
| | - Makoto Urata
- Noto Marine Laboratory, Institute of Nature and Environmental Technology, Kanazawa University, Housu-gun, Ishikawa 927-0553, Japan; Institute of Noto SATOUMI Education and Studies, Housu-gun, Ishikawa 927-0553, Japan
| | - Tran Ngoc Hai
- College of Aquaculture and Fisheries, Can Tho University, Can Tho City, Vietnam
| | - Ajai K Srivastav
- Department of Zoology, D.D.U. Gorakhpur University, Gorakhpur 273-009, India
| | - Hiroyuki Mishima
- Department of Medical Hygiene, Kochi Gakuen College, Kochi 780-0955, Japan
| | - Atsuhiko Hattori
- Department of Biology, College of Liberal Arts and Sciences, Tokyo Medical and Dental University, Ichikawa, Chiba, 272-0827, Japan
| | - Nobuo Suzuki
- Noto Marine Laboratory, Institute of Nature and Environmental Technology, Kanazawa University, Housu-gun, Ishikawa 927-0553, Japan.
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16
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Kim YH, Shim JY, Seo MS, Yim HJ, Cho MR. Relationship between Blood Mercury Concentration and Bone Mineral Density in Korean Men in the 2008-2010 Korean National Health and Nutrition Examination Survey. Korean J Fam Med 2016; 37:273-8. [PMID: 27688860 PMCID: PMC5039118 DOI: 10.4082/kjfm.2016.37.5.273] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2015] [Revised: 09/23/2015] [Accepted: 09/27/2015] [Indexed: 12/30/2022] Open
Abstract
Background The results of previous studies on the association between blood mercury (Hg) and bone mineral density (BMD) are inconsistent. We therefore used a large-scale nationwide representative sample of Korean men to investigate the relationship between these two parameters. Methods A nationwide cross-sectional study was conducted using data from the 2008 to 2010 Korean National Health and Nutrition Examination Survey to evaluate the relationship between blood Hg and BMD and the prevalence of osteopenia or osteoporosis in 1,190 men over 50 years of age. BMD was measured by dual-energy X-ray absorptiometry. Osteopenia and osteoporosis were diagnosed for each body site according to World Health Organization T-score criteria. Results After adjusting for age, body mass index, caloric energy and calcium intake, vitamin D levels, fish consumption, alcohol consumption, smoking, and exercise, quartiles of blood Hg were positively associated with femur neck T-scores in multiple linear regression analysis (β=0.06, P-value=0.03). Compared with the lowest blood Hg quartile, the odds ratios and 95% confidence intervals for diagnosis of osteopenia or osteoporosis in the second and fourth quartiles were 0.63 (0.41–0.99) and 0.57 (0.36–0.91), respectively, in the femur neck after adjusting for the same co-variables. Conclusion High blood Hg levels were associated with reduced odds of decreased femur neck BMD in Korean men. However, subgroup analysis did not show a significant protective effect of blood Hg on osteoporotic fractures. Further research is necessary to clarify the association between blood Hg and BMD.
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Affiliation(s)
- Yang Hee Kim
- Department of Family Medicine, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - Jae Yong Shim
- Department of Family Medicine, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - Min Seok Seo
- Department of Family Medicine, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - Hyung Ji Yim
- Department of Family Medicine, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - Mi Ra Cho
- Department of Family Medicine, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
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17
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Mini-review: toxicity of mercury as a consequence of enzyme alteration. Biometals 2016; 29:781-8. [DOI: 10.1007/s10534-016-9967-8] [Citation(s) in RCA: 43] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2016] [Accepted: 08/28/2016] [Indexed: 01/18/2023]
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18
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Suzuki N, Hanmoto T, Yano S, Furusawa Y, Ikegame M, Tabuchi Y, Kondo T, Kitamura KI, Endo M, Yamamoto T, Sekiguchi T, Urata M, Mikuni-Takagaki Y, Hattori A. Low-intensity pulsed ultrasound induces apoptosis in osteoclasts: Fish scales are a suitable model for the analysis of bone metabolism by ultrasound. Comp Biochem Physiol A Mol Integr Physiol 2016; 195:26-31. [DOI: 10.1016/j.cbpa.2016.01.022] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2015] [Revised: 01/28/2016] [Accepted: 01/29/2016] [Indexed: 11/24/2022]
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