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Amanpour P, Eftekhari Z, Eidi A, Khodarahmi P. Ameliorative mechanism of dietary vitamin d and magnesium on newborn's pulmonary toxicity induced by cadmium. J Trace Elem Med Biol 2024; 84:127469. [PMID: 38759447 DOI: 10.1016/j.jtemb.2024.127469] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/13/2024] [Revised: 04/22/2024] [Accepted: 05/07/2024] [Indexed: 05/19/2024]
Abstract
Cadmium (Cd) exposure in mothers can cause respiratory issues in newborns, but the exact toxicity mechanisms are not fully understood. Vitamin D deficiency in Cd-exposed rats is associated with increased cadmium accumulation in tissues. Finding a cost-effective medication that is vital for the body while also reducing the effects of poisoning is crucial in treating poisonings. To investigate the mechanisms of Cd-induced lung toxicity, we examined the impact of prolonged Cd exposure in female rats before pregnancy on newborn lung health, focusing on sera TNF-α level, lung P53, Foxo1 mRNA, and lung VEGF, and BMP-4 protein level. A total of 50 rats were divided into control, Cd, Cd+Vitamin D, Cd+Mg, and Cd + Vitamin D+Mg groups. Cd exposure resulted in higher serum TNF-α levels and a significant rise in P53 mRNA levels. Additionally, the occurrence of hemorrhage, inflammatory cell infiltration, and thickening of alveolar walls decreased following treatment with vitamin D + Mg. Although Cd did not affect the newborns' body weight, it did impair their lung function. These findings suggest that the Cd-induced increase in the P53 gene expression could be alleviated by vitamin D and Mg, along with the elevation of VEGF and BMP-4 proteins and Foxo1 gene expression. The study revealed that environmental toxins can sometimes harm molecules and proteins, leading to damage in critical fetal tissues. However, these issues can be mitigated through essential supplements. STRUCTURED ABSTRACT: The increasing role of Cd in the erratic behavior of numerous biological and molecular entities, notably the development of fetal lung tissue, has made it beneficial to investigate the possible adverse effects of Cd exposure in pregnant mothers and fetal organ development, where instinctive molecular events occur. Researchers are encouraged to create new aspects of medications to reduce clinical symptoms and improve the quality of life due to exposure to metal toxins, particularly in industrialized countries. The present study aimed to evaluate histopathological and molecular modifications of fetal lungs caused by maternal Cd toxicosis and evaluate the possible ameliorating effects of vitamin D and Mg alone and in combination with fetal lung developmental abnormalities, followed by maternal toxin induction, which can be generalized to humans. Fifty female Wistar rats were purchased from the Pasteur Institute of Iran. To induce the model, cadmium at a dose of 2 mg/kg body weight was injected intraperitoneally into the female rats over 28 days before mating (5 days after injection in a week). Afterward, the female rats were randomly divided into type IV polycarbonate cages and mated with healthy male rats. The pregnancy was confirmed by observation of the vaginal plaque, which was subsequently observed, and the number of days of embryo formation was calculated. Subsequently, the pregnant rats were assigned to the following groups and received PBS, vitamin D, Mg, or vitamin D + Mg. At the end of the nine-day treatment period (the 6th day of pregnancy to the 14th day), the neonates were born vaginally, and their body weight and mortality were recorded. The P53 and Foxo1 gene expression levels in the left and right lobes of the homogenized lungs of the newborns in each group were assessed. TNF-alpha was detected in the sera collected from the newborns by ELISA. The isolated left and right lung tissues were homogenized in radioimmunoprecipitation assay (RIPA) buffer and the superior phase was collected to determine the total protein content by Lowry's method and VEGF and BMP-4 protein levels. The obtained lung samples from newborn rats were fixed in a 10% formalin solution for tissue processing. The fixed samples were embedded in paraffin, and serial paraffin sections were prepared for hematoxylin and eosin staining. This study is the first to examine how maternal Cd exposure affects fetal lung development and to estimate the impact of prescribing Mg and vitamin D during pregnancy. The present study assessed the effects of a repeated dose of Cd for 4 weeks before pregnancy on the lung development of newborn rats born to mothers treated with vitamin D and Mg. The results showed that the P53 gene was overexpressed in the model group, while Foxo1 gene expression was downregulated, negatively impacting the lung structure and developmental indices of the fetuses. Therefore, the intake of vitamin D and Mg may contribute to improving the various stages of Cd-induced lung injury by modulating lung inflammation and mucosal secretion while also positively influencing the number of surviving offspring.
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Affiliation(s)
- Paria Amanpour
- Department of Biology, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | - Zohre Eftekhari
- Biotechnology Department, Pasteur Institute of Iran, Tehran, Iran.
| | - Akram Eidi
- Department of Biology, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | - Parvin Khodarahmi
- Department of Biology, Parand Branch, Islamic Azad University, Parand, Iran
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Wallin M, Andersson EM, Engström G. Blood cadmium is associated with increased fracture risk in never-smokers - results from a case-control study using data from the Malmö Diet and Cancer cohort. Bone 2024; 179:116989. [PMID: 38072370 DOI: 10.1016/j.bone.2023.116989] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/22/2023] [Revised: 12/06/2023] [Accepted: 12/07/2023] [Indexed: 12/24/2023]
Abstract
BACKGROUND Several studies have shown associations between cadmium (Cd) exposure and an increased risk of fractures. However, the size of the risk is still unclear and proper adjustment for smoking is a challenge. The aim of this study was to quantify the association between dietary cadmium measured in blood and fracture risk in the general Swedish population through a large population-based case-control study in never-smokers. METHODS The study included 2113 incident cases with osteoporosis-related fractures and the same number of age- and sex-matched controls in never-smokers from the Swedish population-based Malmö Diet and Cancer study cohort. Cd in blood (B-Cd) was analyzed at baseline (1991-1996). Incident osteoporosis-related fractures (of the hip, distal radius, and proximal humerus) up to the year 2014 were identified using the National Patient Register. Associations between B-Cd and fractures were analyzed using logistic regression. RESULTS Median B-Cd was 0.22 μg/L (P25 = 0.16, P75 = 0.31) among 2103 cases and 0.21 (P25 = 0.15, P75 = 0.30) among 2105 controls. The risk of fracture was significantly increased (OR 1.58; 95 % confidence interval 1.08-2.31, per μg/L of B-Cd), after adjustment for age, sex, BMI, physical activity, and fiber consumption. In analyses by cadmium quartiles, the OR increased monotonically and was significant in the highest quartile of B-Cd (for B-Cd > 0.31 versus B-Cd < 0.15 μg/L; OR 1.21; 95 % confidence interval 1.01-1.45). CONCLUSION Even modestly increased blood cadmium in never-smokers is associated with increased risk of incident osteoporosis-related fractures.
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Affiliation(s)
- Maria Wallin
- Department of Occupational and Environmental Medicine, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Sahlgrenska University Hospital, Gothenburg, Sweden.
| | - Eva M Andersson
- Department of Occupational and Environmental Medicine, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Sahlgrenska University Hospital, Gothenburg, Sweden
| | - Gunnar Engström
- Department of Clinical Science, Lund University, Malmö, Sweden
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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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Omelka R, Blahova J, Kovacova V, Babikova M, Mondockova V, Kalafova A, Capcarova M, Martiniakova M. Cornelian Cherry Pulp Has Beneficial Impact on Dyslipidemia and Reduced Bone Quality in Zucker Diabetic Fatty Rats. Animals (Basel) 2020; 10:ani10122435. [PMID: 33352633 PMCID: PMC7766429 DOI: 10.3390/ani10122435] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2020] [Revised: 12/15/2020] [Accepted: 12/16/2020] [Indexed: 12/12/2022] Open
Abstract
Cornelian cherry (Cornus mas L.) is a medicinal plant with a range of biological features. It is often used as a nutritional supplement in the treatment of diabetes mellitus. Our study was aimed to first investigate the effects of Cornelian cherry pulp on bone quality parameters in Zucker diabetic fatty (ZDF) rats. Moreover, lipid-lowering properties of this fruit were also evaluated. Adult rats (n = 28) were assigned into four groups of seven individuals each: L group (non-diabetic lean rats), C group (diabetic obese rats), and E1 and E2 groups (diabetic obese rats receiving 500 and 1000 mg/kg body weight of Cornelian cherry pulp, respectively, for 10 weeks). Significantly lower levels of triglyceride, total cholesterol and alkaline phosphatase activity were determined in the E2 group versus the C group. A higher dose of Cornus mas also had a beneficial impact on femoral weight, cortical bone thickness, relative volume of trabecular bone and trabecular thickness. We observed elevated density of Haversian systems and accelerated periosteal bone apposition in both treated groups (E1 and E2). Our results clearly demonstrate that Cornelian cherry pulp has a favorable effect on lipid disorder and impaired bone quality consistent with type 2 diabetes mellitus in a suitable animal model.
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Affiliation(s)
- Radoslav Omelka
- Department of Botany and Genetics, Faculty of Natural Sciences, Constantine the Philosopher University in Nitra, 949 74 Nitra, Slovakia; (J.B.); (M.B.); (V.M.)
- Correspondence: (R.O.); (M.M.); Tel.: +421-376-408-737 (R.O.)
| | - Jana Blahova
- Department of Botany and Genetics, Faculty of Natural Sciences, Constantine the Philosopher University in Nitra, 949 74 Nitra, Slovakia; (J.B.); (M.B.); (V.M.)
| | - Veronika Kovacova
- Department of Zoology and Anthropology, Faculty of Natural Sciences, Constantine the Philosopher University in Nitra, 949 74 Nitra, Slovakia;
| | - Martina Babikova
- Department of Botany and Genetics, Faculty of Natural Sciences, Constantine the Philosopher University in Nitra, 949 74 Nitra, Slovakia; (J.B.); (M.B.); (V.M.)
| | - Vladimira Mondockova
- Department of Botany and Genetics, Faculty of Natural Sciences, Constantine the Philosopher University in Nitra, 949 74 Nitra, Slovakia; (J.B.); (M.B.); (V.M.)
| | - Anna Kalafova
- Department of Animal Physiology, Faculty of Biotechnology and Food Sciences, Slovak University of Agriculture in Nitra, 949 76 Nitra, Slovakia; (A.K.); (M.C.)
| | - Marcela Capcarova
- Department of Animal Physiology, Faculty of Biotechnology and Food Sciences, Slovak University of Agriculture in Nitra, 949 76 Nitra, Slovakia; (A.K.); (M.C.)
| | - Monika Martiniakova
- Department of Zoology and Anthropology, Faculty of Natural Sciences, Constantine the Philosopher University in Nitra, 949 74 Nitra, Slovakia;
- Correspondence: (R.O.); (M.M.); Tel.: +421-376-408-737 (R.O.)
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Martiniakova M, Sarocka A, Kovacova V, Kapusta E, Goc Z, Gren A, Formicki G, Omelka R. Antagonistic Impact of Acrylamide and Ethanol on Biochemical and Morphological Parameters Consistent with Bone Health in Mice. Animals (Basel) 2020; 10:ani10101835. [PMID: 33050161 PMCID: PMC7600557 DOI: 10.3390/ani10101835] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2020] [Revised: 10/05/2020] [Accepted: 10/07/2020] [Indexed: 01/10/2023] Open
Abstract
Simple Summary Alcohol consumption, the drinking of beverages containing ethanol, represents a growing problem worldwide. Alcohol intake is often combined with an improper diet based on highly processed starch products that are rich in acrylamide. Both acrylamide and alcohol have a harmful impact on bone health. We previously demonstrated that adverse effects of ethanol on cortical bone structure were partly reduced by a relatively high dose of acrylamide in mice after one remodelling cycle. The present research was designated to reveal whether the antagonistic impact of both aforementioned toxins can also be achieved using a lower dose of acrylamide. According to our results, individual administrations of acrylamide and ethanol had adverse impacts on biochemical and morphological parameters consistent with bone health in mice. However, the most detrimental effects of ethanol were again alleviated by acrylamide at the dose used in this study. Abstract The aim of present study was to verify antagonistic effect of acrylamide (AA) and ethanol (Et) on bone quality parameters. Adult mice (n = 20) were segregated into four groups following 2 weeks administration of toxins: group E1, which received AA (20 mg/kg body weight daily); group E2, which received 15% Et (1.7 g 100% Et/kg body weight daily); group E12, which received simultaneously both toxins; and a control group. An insignificant impact of individual applications of AA, Et or their simultaneous supplementation on the total body weight of mice and the length and weight of their femoral bones was identified. In group E1, higher levels of alanine aminotransferase (ALT), aspartate aminotransferase (AST), triglyceride (TG), a decreased level of glutathione (GSH) and elevated endocortical bone remodelling were determined. A significantly lower relative volume of cortical bone, bone mineral density (BMD), elevated endocortical bone remodelling and cortical porosity, higher levels of ALT, AST, lower values for total proteins (TP), GSH, alkaline phosphatase (ALP), calcium, and phosphorus were recorded in group E2. In the mice from group E12, the highest endocortical bone remodelling, decreased values for BMD, TP, GSH and ALP and increased levels of ALT and AST were found. Our findings confirmed the antagonistic impact of AA and Et at doses used in this study on biochemical and morphological parameters consistent with bone health in an animal model.
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Affiliation(s)
- Monika Martiniakova
- Faculty of Natural Sciences, Constantine the Philosopher University in Nitra, 949 74 Nitra, Slovakia; (A.S.); (V.K.)
- Correspondence: (M.M.); (R.O.); Tel.: +421-376-408-718 (M.M.)
| | - Anna Sarocka
- Faculty of Natural Sciences, Constantine the Philosopher University in Nitra, 949 74 Nitra, Slovakia; (A.S.); (V.K.)
| | - Veronika Kovacova
- Faculty of Natural Sciences, Constantine the Philosopher University in Nitra, 949 74 Nitra, Slovakia; (A.S.); (V.K.)
| | - Edyta Kapusta
- Faculty of Exact and Natural Sciences, Pedagogical University of Cracow, 30 084 Cracow, Poland; (E.K.); (Z.G.); (A.G.); (G.F.)
| | - Zofia Goc
- Faculty of Exact and Natural Sciences, Pedagogical University of Cracow, 30 084 Cracow, Poland; (E.K.); (Z.G.); (A.G.); (G.F.)
| | - Agnieszka Gren
- Faculty of Exact and Natural Sciences, Pedagogical University of Cracow, 30 084 Cracow, Poland; (E.K.); (Z.G.); (A.G.); (G.F.)
| | - Grzegorz Formicki
- Faculty of Exact and Natural Sciences, Pedagogical University of Cracow, 30 084 Cracow, Poland; (E.K.); (Z.G.); (A.G.); (G.F.)
| | - Radoslav Omelka
- Faculty of Natural Sciences, Constantine the Philosopher University in Nitra, 949 74 Nitra, Slovakia; (A.S.); (V.K.)
- Correspondence: (M.M.); (R.O.); Tel.: +421-376-408-718 (M.M.)
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Zhang S, Sun L, Zhang J, Liu S, Han J, Liu Y. Adverse Impact of Heavy Metals on Bone Cells and Bone Metabolism Dependently and Independently through Anemia. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2020; 7:2000383. [PMID: 33042736 PMCID: PMC7539179 DOI: 10.1002/advs.202000383] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/01/2020] [Revised: 06/21/2020] [Indexed: 05/05/2023]
Abstract
Mounting evidence is revealing that heavy metals can incur disordered bone homeostasis, leading to the development of degenerative bone diseases, including osteoporosis, osteoarthritis, degenerative disk disease, and osteomalacia. Meanwhile, heavy metal-induced anemia has been found to be intertwined with degenerative bone diseases. However, the relationship and interplay among these adverse outcomes remain elusive. Thus, it is of importance to shed light on the modes of action (MOAs) and adverse outcome pathways (AOPs) responsible for degenerative bone diseases and anemia under exposure to heavy metals. In the current Review, the epidemiological and experimental findings are recapitulated to interrogate the contributions of heavy metals to degenerative bone disease development which may be attributable dependently and independently to anemia. A few likely mechanisms are postulated for anemia-independent degenerative bone diseases, including dysregulated osteogenesis and osteoblastogenesis, imbalanced bone formation and resorption, and disturbed homeostasis of essential trace elements. By contrast, remodeled bone microarchitecture, inhibited erythropoietin production, and disordered iron homeostasis are speculated to account for anemia-associated degenerative bone disorders upon heavy metal exposure. Together, this Review aims to elaborate available literature to fill in the knowledge gaps in understanding the detrimental effects of heavy metals on bone cells and bone homeostasis through different perspectives.
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Affiliation(s)
- Shuping Zhang
- The First Affiliated Hospital of Shandong First Medical UniversityJinanShandong250014China
- Biomedical Sciences College & Shandong Medicinal Biotechnology CentreShandong First Medical University & Shandong Academy of Medical SciencesJinanShandong250062China
| | - Li Sun
- The First Affiliated Hospital of Shandong First Medical UniversityJinanShandong250014China
| | - Jie Zhang
- The First Affiliated Hospital of Shandong First Medical UniversityJinanShandong250014China
- Biomedical Sciences College & Shandong Medicinal Biotechnology CentreShandong First Medical University & Shandong Academy of Medical SciencesJinanShandong250062China
| | - Sijin Liu
- State Key Laboratory of Environmental Chemistry and EcotoxicologyResearch Center for Eco‐Environmental SciencesChinese Academy of SciencesBeijing100085China
| | - Jinxiang Han
- Biomedical Sciences College & Shandong Medicinal Biotechnology CentreShandong First Medical University & Shandong Academy of Medical SciencesJinanShandong250062China
| | - Yajun Liu
- Beijing Jishuitan HospitalPeking University Health Science CenterBeijing100035China
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Reyes-Hinojosa D, Lozada-Pérez CA, Zamudio Cuevas Y, López-Reyes A, Martínez-Nava G, Fernández-Torres J, Olivos-Meza A, Landa-Solis C, Gutiérrez-Ruiz MC, Rojas Del Castillo E, Martínez-Flores K. Toxicity of cadmium in musculoskeletal diseases. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2019; 72:103219. [PMID: 31494513 DOI: 10.1016/j.etap.2019.103219] [Citation(s) in RCA: 74] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/26/2019] [Revised: 06/19/2019] [Accepted: 06/25/2019] [Indexed: 05/20/2023]
Abstract
Epidemiological studies have reported that exposure to toxic metals like cadmium (Cd) may promote the development of musculoskeletal diseases, such as osteoporosis, rheumatoid arthritis (RA), and osteoarthritis (OA), among others. The objective of this review is to summarize the molecular mechanisms of inflammation and oxidative stress activated by Cd at the bone level, particularly in osteoporosis, RA, and OA. Cadmium can increase bone resorption, affect the activity of osteoclasts and calcium (Ca) absorption, and impair kidney function, which favors the development of osteoporosis. In the case of RA, Cd interferes with the activity of antioxidant proteins, like superoxide dismutase (SOD) and catalase (CAT). It also promotes an inflammatory state, inducing the process of citrullination, which affects the proteins of immune response. On the other hand, accumulation of Cd in the tissues and blood of smokers has been related to the development of some musculoskeletal diseases. Therefore, knowing the negative impact of Cd toxicity at the articular level can help understand the damage mechanisms it produces, leading to the development of such diseases.
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Affiliation(s)
- D Reyes-Hinojosa
- Synovial Fluid Laboratory, National Institute of Rehabilitation "Luis Guillermo Ibarra Ibarra", Calzada Mexico-Xochimilco 289, C.P. 14389, Mexico City, Mexico
| | - C A Lozada-Pérez
- Rheumatology Service, National Institute of Rehabilitation "Luis Guillermo Ibarra Ibarra", Mexico City, Mexico
| | - Y Zamudio Cuevas
- Synovial Fluid Laboratory, National Institute of Rehabilitation "Luis Guillermo Ibarra Ibarra", Calzada Mexico-Xochimilco 289, C.P. 14389, Mexico City, Mexico
| | - A López-Reyes
- Synovial Fluid Laboratory, National Institute of Rehabilitation "Luis Guillermo Ibarra Ibarra", Calzada Mexico-Xochimilco 289, C.P. 14389, Mexico City, Mexico
| | - G Martínez-Nava
- Synovial Fluid Laboratory, National Institute of Rehabilitation "Luis Guillermo Ibarra Ibarra", Calzada Mexico-Xochimilco 289, C.P. 14389, Mexico City, Mexico
| | - J Fernández-Torres
- Synovial Fluid Laboratory, National Institute of Rehabilitation "Luis Guillermo Ibarra Ibarra", Calzada Mexico-Xochimilco 289, C.P. 14389, Mexico City, Mexico
| | - A Olivos-Meza
- Orthopedic Sports Medicine and Arthroscopy Service, National Institute of Rehabilitation "Luis Guillermo Ibarra Ibarra", Mexico City, Mexico
| | - C Landa-Solis
- Tissue Engineering Cell Therapy and Regenerative Medicine Unit, National Institute of Rehabilitation "Luis Guillermo Ibarra Ibarra", Mexico City, Mexico
| | - M C Gutiérrez-Ruiz
- Department of Health Sciences, Autonomous Metropolitan University, Mexico City, Mexico; Laboratory of Experimental Medicine, Unit of Translational Medicine, Institute of Biomedical Research, UNAM, National Institute of Cardiology "Ignacio Chávez", Mexico City, Mexico
| | - E Rojas Del Castillo
- Departament of Genomic Medicine and Environmental Toxicology, Institute of Biomedical Research, UNAM, Mexico City, Mexico
| | - K Martínez-Flores
- Synovial Fluid Laboratory, National Institute of Rehabilitation "Luis Guillermo Ibarra Ibarra", Calzada Mexico-Xochimilco 289, C.P. 14389, Mexico City, Mexico.
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Miszkiewicz JJ, Louys J, O'Connor S. Microanatomical Record of Cortical Bone Remodeling and High Vascularity in a Fossil Giant Rat Midshaft Femur. Anat Rec (Hoboken) 2019; 302:1934-1940. [DOI: 10.1002/ar.24224] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2018] [Revised: 04/16/2019] [Accepted: 04/24/2019] [Indexed: 12/16/2022]
Affiliation(s)
- Justyna J. Miszkiewicz
- School of Archaeology and Anthropology, College of Arts and Social Sciences Australian National University Canberra Australia
| | - Julien Louys
- Australian Research Centre for Human Evolution, Environmental Futures Research Institute Griffith University Brisbane Australia
| | - Sue O'Connor
- Archaeology and Natural History, College of Asia and the Pacific Australian National University Canberra Australia
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Ross RD, Meagher MJ, Sumner DR. Calcium restriction during lactation has minimal effects on post-weaning mineral metabolism and bone recovery. J Bone Miner Metab 2019; 37:648-657. [PMID: 30361872 PMCID: PMC6548698 DOI: 10.1007/s00774-018-0969-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/27/2018] [Accepted: 10/09/2018] [Indexed: 10/28/2022]
Abstract
Dietary calcium (Ca) restriction during lactation in the rat, which induces intra-cortical and endocortical remodeling, has been proposed as a model to study bone matrix maturation in the adult skeleton. The purpose of this study was to assess the effects of dietary Ca restriction during lactation on post-weaning mineral metabolism and bone formation. Mated female Sprague-Dawley rats were randomized into groups receiving either 0.6% Ca (lactation/normal Ca) or 0.01% Ca (lactation/low Ca) diets during lactation. Virgin animals fed normal Ca were used as controls (virgin/normal Ca). At the time of weaning, animals on the low Ca diet were returned to normal Ca and cohorts of all three groups were sacrificed at days 0, 1, 2, 7, and 14 post-weaning. Lactation caused bone loss, particularly at the endocortical surface, but the amount was not affected by dietary Ca. Rats in the lactation/low Ca group had increased cortical porosity compared to the other groups, particularly within the size range of secondary osteons. Dietary Ca restriction during lactation did not affect post-weaning bone formation kinetics or serum Ca and phosphate levels. In both lactation groups, there was a transient increase in phosphate and fibroblast growth factor 23 (FGF23) post-weaning, which trended toward virgin/normal Ca levels over time. Thus, the additional challenge of low dietary Ca during lactation to induce intra-cortical remodeling in the rat has minimal effects on bone formation kinetics and mineral metabolism during the post-weaning period, providing further justification for this model to study matrix maturation in the adult skeleton.
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Affiliation(s)
- Ryan D Ross
- Department of Cell and Molecular Medicine, Rush University Medical Center, Chicago, IL, USA
- Department of Orthopedic Surgery, Rush University Medical Center, Chicago, IL, USA
| | - Matthew J Meagher
- Department of Cell and Molecular Medicine, Rush University Medical Center, Chicago, IL, USA
| | - D Rick Sumner
- Department of Cell and Molecular Medicine, Rush University Medical Center, Chicago, IL, USA.
- Department of Orthopedic Surgery, Rush University Medical Center, Chicago, IL, USA.
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Toman R, Tunegová M. Selenium, cadmium and diazinon insecticide in tissues of rats after peroral exposure. POTRAVINARSTVO 2017. [DOI: 10.5219/827] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
The concentrations of selenium (Se), cadmium (Cd) and diazinon (DZN) in selected tissues of rats after an oral administration in various combinations were analyzed. Male rats were orally dosed with diazinon (40 mg.L-1), diazinon (40 mg.L-1) +selenium (5 mg.L-1), diazinon (40 mg.L-1) +cadmium (30 mg.L-1), and diazinon (40 mg.L-1) +selenium (5 mg.L-1) +cadmium (30 mg.L-1) in drinking water. After 90 days of per oral administration of compounds, the samples of liver, kidney, muscle tissue (m. quadriceps femoris), and adipose tissue were collected. The content of DZN was analyzed using Gas Chromatography - Mass Spectrometry (GC-MS), Cd was analyzed using an Electrothermal Atomic Absorption Spectrometry (ETAAS) and Se using a Hydride Generation Atomic Absorption Spectrometry (HG-AAS) methods. Cadmium significantly increased in liver and kidney after DZN +Cd and DZN +Se +Cd administration. Se significantly increased in liver of DZN +Se, DZN +Se +Cd and DZN +Cd exposed rats, in kidney of DZN +Se and DZN +Se +Cd and DZN +Cd, and in muscle of DZN +Se +Cd group. Highest DZN content was found in the adipose tissue in DZN, DZN +Cd and DZN +Se +Cd but not in combined exposure with Se. Anyway, the differences between the control and experimental groups were not significant. The results indicate that cadmium and selenium accumulate mainly in liver, kidney and selenium also in muscle after p.o. administration but diazinon concentrations increases were not signifcant. The co-administration of diazinon, Se and Cd affects the content of these compounds in the organism and the accumulation rate depends on the combination of administered compounds. Diazinon and cadmium could contribute to the selenium redistribution in the organism after the peroral intake.
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Ross RD, Sumner DR. Bone Matrix Maturation in a Rat Model of Intra-Cortical Bone Remodeling. Calcif Tissue Int 2017; 101:193-203. [PMID: 28374176 PMCID: PMC5500434 DOI: 10.1007/s00223-017-0270-7] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/31/2017] [Accepted: 03/20/2017] [Indexed: 02/01/2023]
Abstract
Matrix maturation within cortical bone is an important but oft-neglected component of bone remodeling because of the lack of a suitable small animal model. Intra-cortical remodeling can be induced in rodents by feeding virgin or lactating animals a low-calcium diet. The current study aimed to determine which of these two models is most suitable for studying intra-cortical matrix maturation. We compared intra-cortical remodeling in female rats fed a normal calcium diet (virgin/normal Ca), a low-calcium diet (virgin/low Ca), or a low-calcium diet during lactation (lactation/low Ca). The low-calcium diet was administered for 23 days (induction phase) followed by return to normal calcium for 30 days (recovery phase). At the end of induction, the virgin/normal Ca and virgin/low-Ca animals had no difference in cortical porosity, but the lactation/low-Ca animals had elevated cortical porosity at various diaphyseal sites in the femur and tibia. The distal femoral site had the greatest amount of induced porosity in the size range of rat secondary osteons. Neither global mineralization nor tissue age-specific mineral-to-matrix ratio in the bone formed during recovery were affected in the lactation/low-Ca rats. Serum calcium levels did not differ from controls, but phosphate levels were slightly elevated, consistent with the rapid recovery of lost bone mass. We conclude that the lactation/low-Ca model represents a means to increase intra-cortical remodeling in adult rats with no apparent detrimental effect on matrix maturation. This model will provide researchers with a new tool to study matrix maturation throughout the cortex.
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Affiliation(s)
- Ryan D Ross
- Department of Cell & Molecular Medicine, Rush University Medical Center, Chicago, IL, 60612, USA
| | - D Rick Sumner
- Department of Cell & Molecular Medicine, Rush University Medical Center, Chicago, IL, 60612, USA.
- Department of Orthopedic Surgery, Rush University Medical Center, Chicago, IL, USA.
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Abstract
OBJECTIVE Postmenopausal bone loss can be exacerbated by environmental contaminants, including the heavy metal cadmium (Cd). We hypothesized that incorporating phosphorus (P) into the diet would lead to the chelation of Cd into P, preventing its absorption and subsequent bone loss. METHODS To test this hypothesis, we used ovariectomized rats as a model of postmenopausal osteoporosis to examine the deleterious effects of Cd on bone with and without added P. Fifty 3-month-old ovariectomized Sprague-Dawley rats were assigned to five treatment groups (n = 10 per group) for 3 months as follows: (1) control; (2) 50 ppm Cd; (3) 50 ppm Cd plus 1.2% P; (4) 200 ppm Cd; and (5) 200 ppm Cd plus 1.2% P. RESULTS Cd plus P caused a significant loss of whole body (P = 0.0001 and P < 0.001) and femoral (P = 0.0005 and P < 0.001) bone mineral density (BMD) and bone mineral content, respectively, and a loss of fourth lumbar vertebra BMD and bone mineral content (P < 0.0001 and P < 0.001, respectively). Nonetheless, 200 ppm Cd plus 1.2% P had the most deleterious effects on whole body and femoral BMD. For femoral neck microstructural properties, 50 ppm Cd plus 1.2% P caused an increase in trabecular separation, whereas 200 ppm Cd plus 1.2% P caused a decrease in bone volume-to-total volume ratio, a decrease in trabecular number, and an increase in trabecular separation and structural model index. CONCLUSIONS Our findings indicate that Cd exposure, along with high intake of P, may be a public health hazard with respect to bone health.
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Acute and subchronic co-administrations to cadmium, diazinon and selenium induce apparent osteoporotic symptoms in adult male rats. Biologia (Bratisl) 2014. [DOI: 10.2478/s11756-014-0436-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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