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Hu Y, Li Y, Li M, Zhao T, Zhang W, Wang Y, He Y, Zhao H, Li H, Wang T, Zhao Y, Wang J, Wang J. Calcium supplementation attenuates fluoride-induced bone injury via PINK1/Parkin-mediated mitophagy and mitochondrial apoptosis in mice. JOURNAL OF HAZARDOUS MATERIALS 2024; 465:133411. [PMID: 38181596 DOI: 10.1016/j.jhazmat.2023.133411] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Revised: 12/27/2023] [Accepted: 12/29/2023] [Indexed: 01/07/2024]
Abstract
Excessive consumption of fluoride can cause skeletal fluorosis. Mitophagy has been identified as a novel target for bone disorders. Meanwhile, calcium supplementation has shown great potential for mitigating fluoride-related bone damage. Hence, this study aimed to elucidate the association between mitophagy and skeletal fluorosis and the precise mechanisms through which calcium alleviates these injuries. A 100 mg/L sodium fluoride (NaF) exposure model in Parkin knockout (Parkin-/-) mice and a 100 mg/L NaF exposure mouse model with 1% calcium carbonate (CaCO3) intervention were established in the current study. Fluoride exposure caused the impairment of mitochondria and activation of PTEN-induced putative kinase1 (PINK1)/E3 ubiquitin ligase Park2 (Parkin)-mediated mitophagy and mitochondrial apoptosis in the bones, which were restored after blocking Parkin. Additionally, the intervention model showed fluoride-exposed mice exhibited abnormal bone trabecula and mechanical properties. Still, these bone injuries could be effectively attenuated by adding 1% calcium to their diet, which reversed fluoride-activated mitophagy and apoptosis. To summarize, fluoride can activate bone mitophagy through the PINK1/Parkin pathway and mitochondrial apoptosis. Parkin-/- and 1% calcium provide protection against fluoride-induced bone damage. Notably, this study provides theoretical bases for the prevention and therapy of animal and human health and safety caused by environmental fluoride contamination.
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Affiliation(s)
- Yingjun Hu
- College of Veterinary Medicine, Shanxi Agricultural University, Taigu, Jinzhong 030801, Shanxi, PR China
| | - Yuanyuan Li
- College of Veterinary Medicine, Shanxi Agricultural University, Taigu, Jinzhong 030801, Shanxi, PR China
| | - Meng Li
- College of Veterinary Medicine, Shanxi Agricultural University, Taigu, Jinzhong 030801, Shanxi, PR China
| | - Tianrui Zhao
- College of Veterinary Medicine, Shanxi Agricultural University, Taigu, Jinzhong 030801, Shanxi, PR China
| | - Wenhui Zhang
- College of Veterinary Medicine, Shanxi Agricultural University, Taigu, Jinzhong 030801, Shanxi, PR China
| | - Yinghui Wang
- College of Veterinary Medicine, Shanxi Agricultural University, Taigu, Jinzhong 030801, Shanxi, PR China
| | - Yang He
- College of Veterinary Medicine, Shanxi Agricultural University, Taigu, Jinzhong 030801, Shanxi, PR China
| | - Hui Zhao
- College of Veterinary Medicine, Shanxi Agricultural University, Taigu, Jinzhong 030801, Shanxi, PR China
| | - Haojie Li
- College of Veterinary Medicine, Shanxi Agricultural University, Taigu, Jinzhong 030801, Shanxi, PR China
| | - Tianyu Wang
- College of Veterinary Medicine, Shanxi Agricultural University, Taigu, Jinzhong 030801, Shanxi, PR China
| | - Yangfei Zhao
- College of Veterinary Medicine, Shanxi Agricultural University, Taigu, Jinzhong 030801, Shanxi, PR China
| | - Jundong Wang
- College of Veterinary Medicine, Shanxi Agricultural University, Taigu, Jinzhong 030801, Shanxi, PR China
| | - Jinming Wang
- College of Veterinary Medicine, Shanxi Agricultural University, Taigu, Jinzhong 030801, Shanxi, PR China.
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2
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Kumar S, Shenoy S, Swamy RS, Ravichandiran V, Kumar N. Fluoride-Induced Mitochondrial Dysfunction and Approaches for Its Intervention. Biol Trace Elem Res 2024; 202:835-849. [PMID: 37300595 DOI: 10.1007/s12011-023-03720-1] [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: 12/02/2022] [Accepted: 05/28/2023] [Indexed: 06/12/2023]
Abstract
Fluoride is present everywhere in nature. The primary way that individuals are exposed to fluoride is by drinking water. It's interesting to note that while low fluoride levels are good for bone and tooth growth, prolonged fluoride exposure is bad for human health. Additionally, preclinical studies link oxidative stress, inflammation, and programmed cell death to fluoride toxicity. Moreover, mitochondria play a crucial role in the production of reactive oxygen species (ROS). On the other hand, little is known about fluoride's impact on mitophagy, biogenesis, and mitochondrial dynamics. These actions control the growth, composition, and organisation of mitochondria, and the purification of mitochondrial DNA helps to inhibit the production of reactive oxygen species and the release of cytochrome c, which enables cells to survive the effects of fluoride poisoning. In this review, we discuss the different pathways involved in mitochondrial toxicity and dysfunction induced by fluoride. For therapeutic approaches, we discussed different phytochemical and pharmacological agents which reduce the toxicity of fluoride via maintained by imbalanced cellular processes, mitochondrial dynamics, and scavenging the ROS.
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Affiliation(s)
- Sachindra Kumar
- National Institute of Pharmaceutical Education and Research, Hajipur, Industrial Area Hajipur, Vaishali, 844102, India
| | - Smita Shenoy
- Department of Pharmacology, Kasturba Medical College, Manipal, Manipal Academy of Higher Education (MAHE), Manipal, 576104, India
| | - Ravindra Shantakumar Swamy
- Division of Anatomy, Department of Basic Medical Sciences (DBMS), Manipal Academy of Higher Education (MAHE), Manipal, 576104, India
| | - V Ravichandiran
- National Institute of Pharmaceutical Education and Research, Hajipur, Industrial Area Hajipur, Vaishali, 844102, India
| | - Nitesh Kumar
- National Institute of Pharmaceutical Education and Research, Hajipur, Industrial Area Hajipur, Vaishali, 844102, India.
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3
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Salama RHM, Ali SS, Salama THM, Almged MA, Alsanory TA, Alsanory AA, Aboutaleb H, Ezzat GM. Dietary Effects of Nanopowder Eggshells on Mineral Contents, Bone Turnover Biomarkers, and Regulators of Bone Resorption in Healthy Rats and Ovariectomy-Induced Osteoporosis Rat Model. Appl Biochem Biotechnol 2023; 195:5034-5052. [PMID: 35895253 DOI: 10.1007/s12010-022-04038-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/24/2022] [Indexed: 11/30/2022]
Abstract
Postmenopausal osteoporosis is a critical issue for female health worldwide. This current study was designed to evaluate the role of nanopowder eggshell (NPES) in healthy and ovariectomy-induced osteoporosis rats. Fifty-six female rats were divided into healthy rats (35) and ovariectomized rats (21). The healthy rats were subdivided into five groups (G1-G5) and received one of the following treatments: saline, 20 or 40 mg/kg of calcium carbonate, and 20 or 40 mg/kg of NPES. The 21 ovariectomized rats were divided into three groups (G6-G8) and received either saline, 40 mg/kg of calcium carbonate, or 40 mg/kg of NPES. Biochemical and histopathological assessments of bone formation and resorption were performed. Biomarkers of bone formation (calcium and osteocalcin (OCN)) and calcium content in left femur ashes were significantly higher in healthy rats given 40-mg/kg NPES than in healthy control rats and healthy rats given 40-mg/kg calcium carbonate. The ovariectomized groups had significantly lower levels of vitamin D3, OCN, and osteoprotegerin (OPG) than the healthy control. Alanine transaminase (ALT), alkaline phosphatase (ALP), and receptor activator of nuclear factor-κB ligand (RANKL) were significantly increased in the ovariectomized group than in the healthy control group. Treatment with NPES and calcium carbonate reduced liver enzymes in ovariectomized rats. NPES treatment significantly increased Vit D3, OCN, OPG, and bone ash mineral content (calcium, magnesium, zinc, and phosphorus) in ovariectomized rats. NPES also increased femur cortical thickness, osteoblast number, and collagen fiber. The current study suggests that NPES can modulate bone turnover biomarkers and increase bone trace elements. Moreover, NPES alleviates bone resorption in ovariectomy-induced osteoporosis.
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Affiliation(s)
- Ragaa H M Salama
- Faculty of Medicine, Department of Medical Biochemistry and Molecular Biology, Assiut University, Assiut, 71515, Egypt.
| | - Safaa S Ali
- Faculty of Medicine, Department of Histology, Assiut University, Assiut, Egypt
| | | | | | - Tasneem A Alsanory
- Faculty of Pharmacy, Department of Biochemistry, Assiut University, Assiut, Egypt
| | - Aya A Alsanory
- Department of Radiotherapy and Nuclear Medicine, South Egypt Cancer Institute, Assiut University, Assiut, Egypt
| | - Hesham Aboutaleb
- Faculty of Medicine, Department of Obstetrics and Gynecology, Assiut University Hospital, Assiut, Egypt
| | - Ghada M Ezzat
- Faculty of Medicine, Department of Medical Biochemistry and Molecular Biology, Assiut University, Assiut, 71515, Egypt.
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4
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Wei M, Ye Y, Ali MM, Chamba Y, Tang J, Shang P. Effect of Fluoride on Cytotoxicity Involved in Mitochondrial Dysfunction: A Review of Mechanism. Front Vet Sci 2022; 9:850771. [PMID: 35518640 PMCID: PMC9062983 DOI: 10.3389/fvets.2022.850771] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2022] [Accepted: 02/07/2022] [Indexed: 12/11/2022] Open
Abstract
Fluoride is commonly found in the soil and water environment and may act as chronic poison. A large amount of fluoride deposition causes serious harm to the ecological environment and human health. Mitochondrial dysfunction is a shared feature of fluorosis, and numerous studies reported this phenomenon in different model systems. More and more evidence shows that the functions of mitochondria play an extremely influential role in the organs and tissues after fluorosis. Fluoride invades into cells and mainly damages mitochondria, resulting in decreased activity of mitochondrial related enzymes, weakening of protein expression, damage of respiratory chain, excessive fission, disturbance of fusion, disorder of calcium regulation, resulting in the decrease of intracellular ATP and the accumulation of Reactive oxygen species. At the same time, the decrease of mitochondrial membrane potential leads to the release of Cyt c, causing a series of caspase cascade reactions and resulting in apoptosis. This article mainly reviews the mechanism of cytotoxicity related to mitochondrial dysfunction after fluorosis. A series of mitochondrial dysfunction caused by fluorosis, such as mitochondrial dynamics, mitochondrial Reactive oxygen species, mitochondrial fission, mitochondrial respiratory chain, mitochondrial autophagy apoptosis, mitochondrial fusion disturbance, mitochondrial calcium regulation are emphasized, and the mechanism of the effect of fluoride on cytotoxicity related to mitochondrial dysfunction are further explored.
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Affiliation(s)
- Mingbang Wei
- College of Animal Science, Tibet Agriculture and Animal Husbandry College, Linzhi, China.,The Provincial and Ministerial Co-founded Collaborative Innovation Center for R&D in Tibet Characteristic Agricultural and Animal Husbandry Resources, Linzhi, China
| | - Yourong Ye
- College of Animal Science, Tibet Agriculture and Animal Husbandry College, Linzhi, China.,The Provincial and Ministerial Co-founded Collaborative Innovation Center for R&D in Tibet Characteristic Agricultural and Animal Husbandry Resources, Linzhi, China
| | - Muhammad Muddassir Ali
- Institute of Biochemistry and Biotechnology, University of Veterinary and Animal Sciences, Lahore, Pakistan
| | - Yangzom Chamba
- College of Animal Science, Tibet Agriculture and Animal Husbandry College, Linzhi, China.,The Provincial and Ministerial Co-founded Collaborative Innovation Center for R&D in Tibet Characteristic Agricultural and Animal Husbandry Resources, Linzhi, China
| | - Jia Tang
- College of Animal Science, Tibet Agriculture and Animal Husbandry College, Linzhi, China.,The Provincial and Ministerial Co-founded Collaborative Innovation Center for R&D in Tibet Characteristic Agricultural and Animal Husbandry Resources, Linzhi, China
| | - Peng Shang
- College of Animal Science, Tibet Agriculture and Animal Husbandry College, Linzhi, China.,The Provincial and Ministerial Co-founded Collaborative Innovation Center for R&D in Tibet Characteristic Agricultural and Animal Husbandry Resources, Linzhi, China
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5
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Li R, Gong Z, Yu Y, Niu R, Bian S, Sun Z. Alleviative Effects of Exercise on Bone Remodeling in Fluorosis Mice. Biol Trace Elem Res 2022; 200:1248-1261. [PMID: 33939130 DOI: 10.1007/s12011-021-02741-y] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Accepted: 04/26/2021] [Indexed: 12/15/2022]
Abstract
Fluorine is widely present in nature in the form of fluoride. Prolonged high-dose fluoride exposure can cause skeletal fluorosis, resulting in osteosclerosis, osteoporosis or osteomalacia. It has been proved that exercise is one of the important factors affecting the health of the bone and promoting bone formation. To investigate the effects of exercise on bone remodeling in fluorosis mice, 120 male 3-week-old ICR mice were randomly divided into four groups: control group (C), exercise group (E), fluoride group (F), fluoride plus exercise group (F + E). After 8-week physical exercise and/or fluoride exposure, we evaluated the content of fluorine, the histopathological structure and microstructure of femur, bone metabolism biochemical indexes and oxidative stress related parameters, and the mRNA and protein levels of genes in BMP-2/Smads and OPG/RANKL/RANK signaling pathways. Our results showed that 100 mg/L NaF exposure increased the accumulation of fluoride in bone, altered histology of bone, and enhanced the activities of ALP and TRACP. Meanwhile, excessive fluoride induced oxidative stress in bone tissue by increasing the content of ROS and MDA, and decreasing the activities of antioxidant enzymes. In addition, the results of qRT-PCR suggested that NaF significantly increased the mRNA expression of BMP-2, Smad-5, Col IA1, Col IA2, OPG, RANKL and RANK, as well as the elevated proteins of OPG, RANKL and RANK. However, these fluoride-induced changes were alleviated after moderate exercise. Taken together, these findings indicated that moderate exercise decreased the toxicity of fluoride by reducing the accumulation of fluorine in the body to relieve the bone damage caused by fluorosis.
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Affiliation(s)
- Rui Li
- Shanxi Key Laboratory of Ecological Animal Science and Environmental Veterinary Medicine, College of Veterinary Medicine, Shanxi Agricultural University, 030801, Taigu, Shanxi, China
| | - Zeen Gong
- Shanxi Key Laboratory of Ecological Animal Science and Environmental Veterinary Medicine, College of Veterinary Medicine, Shanxi Agricultural University, 030801, Taigu, Shanxi, China
| | - Yanghuan Yu
- Shanxi Key Laboratory of Ecological Animal Science and Environmental Veterinary Medicine, College of Veterinary Medicine, Shanxi Agricultural University, 030801, Taigu, Shanxi, China
| | - Ruiyan Niu
- Shanxi Key Laboratory of Ecological Animal Science and Environmental Veterinary Medicine, College of Veterinary Medicine, Shanxi Agricultural University, 030801, Taigu, Shanxi, China
| | - Shengtai Bian
- School of Sport Science, Beijing Sport University, Beijing, China
| | - Zilong Sun
- Shanxi Key Laboratory of Ecological Animal Science and Environmental Veterinary Medicine, College of Veterinary Medicine, Shanxi Agricultural University, 030801, Taigu, Shanxi, China.
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6
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Li H, Hao Z, Wang L, Yang J, Zhao Y, Cheng X, Yuan H, Wang J. Dietary Calcium Alleviates Fluorine-Induced Liver Injury in Rats by Mitochondrial Apoptosis Pathway. Biol Trace Elem Res 2022; 200:271-280. [PMID: 33629228 DOI: 10.1007/s12011-021-02641-1] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/18/2021] [Accepted: 02/14/2021] [Indexed: 12/18/2022]
Abstract
Excessive fluoride (F) exposure can lead to liver damage; moreover, recent studies found that the addition of appropriate calcium (Ca) can alleviate the symptom of skeletal fluorosis. However, whether Ca can relieve F-induced liver damage through the mitochondrial apoptosis pathway has not been reported yet. Therefore, we assessed the liver morphology, serum transaminase content, liver oxidative stress-related enzymes, and apoptosis-related gene and protein expression in Sprague Dawley (SD) rats treated with 150 mg/L sodium fluoride (NaF) and different concentrations of calcium carbonate (CaCO3) for 120 days. Our results showed that NaF brought out pathological changes in liver morphology, serum aspartate aminotransferase (AST) and alanine aminotransferase (ALT) levels increased, total antioxidant capacity (T-AOC), superoxide dismutase (SOD), glutathione peroxidase (GSH-Px) content decreased, and malondialdehyde (MDA) content increased, suggesting that NaF caused hepatotoxicity and oxidative stress. In addition, the results of quantitative real-time PCR (qRT-PCR) and immunohistochemistry showed that NaF exposure upregulated the expression of Bcl-2-associated x protein (Bax), rho-related coiled-coil kinase 1 (ROCK1), cytochrome C (Cyto-C) mRNA and protein (P < 0.01), and downregulated B cell lymphoma 2 (Bcl-2) protein and mRNA (P < 0.01), indicating that excessive F exposure activated mitochondrial-mediated apoptosis in the liver. However, the addition of 1% CaCO3 to the diet significantly increased the expression of anti-apoptotic gene Bcl-2 (P < 0.01), inhibited the activation of the mitochondrial apoptosis pathway, and reduced mitochondrial damage. In summary, supplementing 1% CaCO3 in the diet can alleviate the NaF-induced liver cell damage through the mitochondrial apoptosis pathway.
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Affiliation(s)
- Haojie Li
- College of Veterinary Medicine, Shanxi Agricultural University, Jinzhong, Taigu, 030801, Shanxi, People's Republic of China
- Shanxi Key Laboratory of Environmental Veterinary Medicine, Shanxi Agricultural University, Jinzhong, Taigu, 030801, Shanxi, People's Republic of China
| | - Zijun Hao
- College of Veterinary Medicine, Shanxi Agricultural University, Jinzhong, Taigu, 030801, Shanxi, People's Republic of China
- Shanxi Key Laboratory of Environmental Veterinary Medicine, Shanxi Agricultural University, Jinzhong, Taigu, 030801, Shanxi, People's Republic of China
| | - Li Wang
- Shanxi Key Laboratory of Environmental Veterinary Medicine, Shanxi Agricultural University, Jinzhong, Taigu, 030801, Shanxi, People's Republic of China
- Linjiang Sub-district Office, Tunliu District, Changzhi City, 046100, Shanxi Province, People's Republic of China
| | - Jiarong Yang
- College of Veterinary Medicine, Shanxi Agricultural University, Jinzhong, Taigu, 030801, Shanxi, People's Republic of China
- Shanxi Key Laboratory of Environmental Veterinary Medicine, Shanxi Agricultural University, Jinzhong, Taigu, 030801, Shanxi, People's Republic of China
| | - Yangfei Zhao
- College of Veterinary Medicine, Shanxi Agricultural University, Jinzhong, Taigu, 030801, Shanxi, People's Republic of China
- Shanxi Key Laboratory of Environmental Veterinary Medicine, Shanxi Agricultural University, Jinzhong, Taigu, 030801, Shanxi, People's Republic of China
| | - Xiaofang Cheng
- Department of Basic Science, Shanxi Agricultural University, Jinzhong, Taigu, 030801, Shanxi, People's Republic of China
| | - Haiyan Yuan
- Jiangsu Key Laboratory for the Research and Utilization of Plant Resources, Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Nanjing, 210014, Jiangsu, People's Republic of China
| | - Jinming Wang
- College of Veterinary Medicine, Shanxi Agricultural University, Jinzhong, Taigu, 030801, Shanxi, People's Republic of China.
- Shanxi Key Laboratory of Environmental Veterinary Medicine, Shanxi Agricultural University, Jinzhong, Taigu, 030801, Shanxi, People's Republic of China.
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7
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Wimalawansa SJ. Does fluoride cause the mysterious chronic kidney disease of multifactorial origin? ENVIRONMENTAL GEOCHEMISTRY AND HEALTH 2020; 42:3035-3057. [PMID: 31997043 DOI: 10.1007/s10653-019-00503-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/12/2019] [Accepted: 12/18/2019] [Indexed: 06/10/2023]
Abstract
A chronic kidney disease of multifactorial origin (CKDmfo), also known as CKD of unknown origin, started to manifest during the past four decades in certain economically poor, peri-equatorial agricultural countries. CKDmfo is an environmentally induced, occupationally-mediated, chronic tubulointerstitial disease. Prolonged exposure to environmental nephrotoxic agents and extenuating conditions are prerequisites for its manifestation. More than 30 causative factors have been postulated, but none one has been properly scientifically tested, to be able to include or exclude. In recent years, fluoride has come to be considered a key contender as a causative agent of CKDmfo. Therefore, this review examines the pros and cons of that theory and the potential plausibility that fluoride causes CKDmfo. It also examines the potential interactions and additive or synergistic effects of certain geogenic factors, especially, the plausibility of CaPO4-3 apatite and fluorapatite crystals and nanotube formation in concentrated tubular filtrate and within tubular cells, in renal tubules. The information presented is based on published work and data collected over the past two decades in Sri Lanka. However, the evidence and concepts are applicable to all CKDmfo-affected countries. Thus, the presented content might facilitate scientists to narrowed down causative factors to just a few and government departments to implement effective programs for preventing this disease. The findings suggest that in addition to the geogenic components, disease manifestation requires (A) prolonged exposure to environmental nephrotoxins and factors, (B) interactions among elements (Ca2+, PO4-3 , F-, and Mg2+), and (C) vulnerability of the person, such as chronic dehydration, and antioxidant and micronutrient deficiencies. In vivo precipitation of nanominerals in renal tubular tissues that arising over several years causes tubulointerstitial disease-CKDmfo. Inherent vulnerabilities and conditions, together with nanomineral precipitation, trigger renal tubular cell oxidative stresses, inflammation, and fibrosis, and eventually causing tubulointerstitial chronic renal failure-CKDmfo.
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El-Boshy M, Refaat B, Almaimani RA, Abdelghany AH, Ahmad J, Idris S, Almasmoum H, Mahbub AA, Ghaith MM, BaSalamah MA. Vitamin D 3 and calcium cosupplementation alleviates cadmium hepatotoxicity in the rat: Enhanced antioxidative and anti-inflammatory actions by remodeling cellular calcium pathways. J Biochem Mol Toxicol 2020; 34:e22440. [PMID: 31926057 DOI: 10.1002/jbt.22440] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2019] [Revised: 12/10/2019] [Accepted: 12/17/2019] [Indexed: 12/13/2022]
Abstract
Although vitamin D (VD) and calcium (Ca) attenuate cadmium (Cd) metabolism, their combined antioxidant and anti-inflammatory actions against Cd toxicity have not been previously explored. Hence, this study measured the protective effects of VD ± Ca supplements against Cd hepatotoxicity. Forty adult male rats were distributed to: negative controls (NCs), positive controls (PCs), VD, Ca, and VD3 and Ca (VDC) groups. All groups, except NC, received CdCl2 in drinking water (44 mg/L) for 4 weeks individually or concurrently with intramuscular VD3 (600 IU/kg; three times per week) and/or oral Ca (100 mg/kg; five times per week). The PC group showed abnormal hepatic biochemical parameters and increase in cellular cytochrome C, caspase-9, and caspase-3 alongside the apoptotic/necrotic cell numbers by terminal deoxynucleotidyl transferase dUTP nick end labeling technique. The PC hepatic tissue also had substantially elevated pro-oxidants (malondialdehyde [MDA]/H2 O2 /protein carbonyls) and inflammatory cytokines (interleukin 1β [IL-1β]/IL-6/IL17A/tumor necrosis factor-α), whereas the anti-inflammatory (IL-10/IL-22) and antioxidants (glutathione [GSH]/GPx/catalase enzyme [CAT]) markers declined. Hypovitaminosis D, low hepatic tissue Ca, aberrant hepatic expression of VD-metabolizing enzymes (Cyp2R1/Cyp27a1/cyp24a1), receptor and binding protein alongside Ca-membrane (CaV 1.1/CaV 3.1), and store-operated (RyR1/ITPR1) channels, and Ca-binding proteins (CAM/CAMKIIA/S100A1/S100B) were observed in the PC group. Both monotherapies decreased serum, but not tissue Cd levels, restored the targeted hepatic VD/Ca molecules' expression. However, these effects were more prominent in the VD group than the Ca group. The VDC group, contrariwise, disclosed the greatest alleviations on serum and tissue Cd, inflammatory and oxidative markers, the VD/Ca molecules and tissue integrity. In conclusion, this report is the first to reveal boosted protection for cosupplementing VD and Ca against Cd hepatotoxicity that could be due to enhanced antioxidative, anti-inflammatory, and modulation of the Ca pathways.
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Affiliation(s)
- Mohamed El-Boshy
- Faculty of Applied Medical Sciences, Department of Laboratory Medicine, Umm Al-Qura University, Makkah, Saudi Arabia.,Faculty of Veterinary Medicine, Department of Clinical Pathology, Mansoura University, Mansoura, Egypt
| | - Bassem Refaat
- Faculty of Applied Medical Sciences, Department of Laboratory Medicine, Umm Al-Qura University, Makkah, Saudi Arabia
| | - Riyad A Almaimani
- Faculty of Medicine, Department of Biochemistry, Umm Al-Qura University, Makkah, Saudi Arabia
| | - Abdelghany H Abdelghany
- Faculty of Applied Medical Sciences, Department of Laboratory Medicine, Umm Al-Qura University, Makkah, Saudi Arabia.,Faculty of Medicine, Department of Anatomy, Alexandria University, Alexandria, Egypt
| | - Jawwad Ahmad
- Faculty of Applied Medical Sciences, Department of Laboratory Medicine, Umm Al-Qura University, Makkah, Saudi Arabia
| | - Shakir Idris
- Faculty of Applied Medical Sciences, Department of Laboratory Medicine, Umm Al-Qura University, Makkah, Saudi Arabia
| | - Hussain Almasmoum
- Faculty of Applied Medical Sciences, Department of Laboratory Medicine, Umm Al-Qura University, Makkah, Saudi Arabia
| | - Amani A Mahbub
- Faculty of Applied Medical Sciences, Department of Laboratory Medicine, Umm Al-Qura University, Makkah, Saudi Arabia
| | - Mazen M Ghaith
- Faculty of Applied Medical Sciences, Department of Laboratory Medicine, Umm Al-Qura University, Makkah, Saudi Arabia
| | - Mohammad A BaSalamah
- Faculty of Medicine, Department of Pathology, Umm Al-Qura University, Makkah, Saudi Arabia
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9
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Factors Affecting the Environmentally Induced, Chronic Kidney Disease of Unknown Aetiology in Dry Zonal Regions in Tropical Countries—Novel Findings. ENVIRONMENTS 2019. [DOI: 10.3390/environments7010002] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
A new form of chronic tubulointerstitial kidney disease (CKD) not related to diabetes or hypertension appeared during the past four decades in several peri-equatorial and predominantly agricultural countries. Commonalities include underground stagnation of drinking water with prolonged contact with rocks, harsh climatic conditions with protracted dry seasons, and rampant poverty and malnutrition. In general, the cause is unknown, and the disease is therefore named CKD of unknown aetiology (CKDu). Since it is likely caused by a combination of factors, a better term would be CKD of multifactorial origin (CKDmfo). Middle-aged malnourished men with more than 10 years of exposure to environmental hazards are the most vulnerable. Over 30 factors have been proposed as causative, including agrochemicals and heavy metals, but none has been properly tested nor proven as causative, and unlikely to be the cause of CKDmfo/CKDu. Conditions such as, having favourable climatic patterns, adequate hydration, and less poverty and malnutrition seem to prevent the disease. With the right in vivo conditions, chemical species such as calcium, phosphate, oxalate, and fluoride form intra-renal nanomineral particles initiating the CKDmfo. This article examines the key potential chemical components causing CKDmfo together with the risk factors and vulnerabilities predisposing individuals to this disease. Research findings suggest that in addition to drinking water from stagnant sources that contain high ionic components, more than 10 years of exposure to environmental nephrotoxins and micronutrient malnutrition are needed to contract this fatal disease.
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10
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Zhang J, Li S, Wei L, Peng Y, Zheng Z, Xue J, Cao Y, Wang B, Du J. Protective effects of 2,3,5,4-tetrahydroxystilbene-2-o-β-D-glucoside against osteoporosis: Current knowledge and proposed mechanisms. Int J Rheum Dis 2018; 21:1504-1513. [PMID: 30146742 DOI: 10.1111/1756-185x.13357] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2018] [Revised: 04/10/2018] [Accepted: 06/24/2018] [Indexed: 11/28/2022]
Abstract
AIM The aim of this study was to explore the mechanism underlying the protective effects of 2,3,5,4-tetrahydroxystilbene-2-o-β-D-glucoside (TSG) against osteoporosis. METHOD MC3T3-E1 mouse osteoblast precursor cells were used to analyze the protective effects of TSG on osteoblast apoptosis and differential inhibition induced by oxidative stress to determine the gene expression of forkhead transcription factor FKHRL1 (FoxO3a), T cell factors (TCFs), and downstream genes. A mouse model was used to assess the protective effects of TSG on ovariectomy-induced osteoporosis as well as on Cell Counting Kit-8 (CCK) gene expression, including that of FoxO3a. The mechanism underlying the protective effects of TSG against osteoporosis was further explored using high-throughput sequencing data. RESULTS A CCK-8 assay in MC3T3-E1 cells and hematoxylin and eosin staining in mouse tissue indicated that cell viability and bone tissue development were inhibited by oxidative stress and ovariectomy and that TSG neutralized or attenuated this effect. The expression levels of FoxO3a, TCF, and downstream genes and the indices of oxidative stress were the same in MC3T3-E1 cells and the bone tissues of the mouse model. Bioinformatics analysis indicated that the cardiac muscle contraction and chemokine signaling pathway were disturbed in MC3T3-E1 cells treated with hydrogen peroxide. Gene ontology-biological process analysis revealed the influence of TSG treatment. CONCLUSION Osteoporosis and cardiac diseases appear to share a common mechanism. In addition to Wnt/FoxO3a signaling, the immune system and the chemokine signaling pathway may contribute to the protective mechanism of TSG.
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Affiliation(s)
- Jinkang Zhang
- Institute of Orthopaedics, Air Force General Hospital, Beijing, China
| | - Songlin Li
- Institute of Orthopaedics, Air Force General Hospital, Beijing, China
| | - Linlan Wei
- The Chinese People's Liberation Army 61206 Troops, Beijing, China
| | - Ye Peng
- Institute of Orthopaedics, Air Force General Hospital, Beijing, China
| | - Ziyang Zheng
- Institute of General Department, Air Force General Hospital, Beijing, China
| | - Jing Xue
- Institute of Orthopaedics, Air Force General Hospital, Beijing, China
| | - Yukun Cao
- Institute of Cardiac Surgery, Air Force General Hospital, Beijing, China
| | - Bin Wang
- Institute of Orthopaedics, Air Force General Hospital, Beijing, China
| | - Junjie Du
- Institute of Orthopaedics, Air Force General Hospital, Beijing, China
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Sri Charitha G, Sudhakar K, Reddy KP. Protective Effects of Selenium Against Sodium Fluoride Induced Behavioral, Anti-Oxidant and Neurohistological Alterations in Wistar Rats. ACTA ACUST UNITED AC 2018. [DOI: 10.13005/bbra/2652] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
Fluoride naturally occurs in the earth’s crust and ground water and it causes fluorosis when it is consumed in high levels. The fluorosis also affects soft tissues like liver, kidney, heart, brain etc., in addition to skeletal and dental systems. The present study reports the protective effects of selenium against sodium fluoride induced neurotoxic effects. Three months old (around 250 – 280 g weight) wistar rats were randomly categorized into four groups viz. Group I (control) which received normal tap water, Group II (sodium fluoride, NaF) treated with 20 ppm of fluoride through IP, Group III treated with (NaF 20 ppm) + Selenium (5 mgkg-1 body wt./day/rat) and Group IV treated with Selenium (5 mgkg-1 body wt./day/rat) alone. The doses were continued for a period of 15 days and after that they were used for recording behavioral (rota rod, hot plate), anti-oxidant (LPO, SOD, CAT and GSH-Px) and histological (Golgi cox staining) observations. The rats treated with NaF showed the decreased motor coordination, thermal pain response, decreased CAT and SOD activity and increased LPO levels and GSH-Px activity with compared to control group. Moreover, NaF received rats also showed the decreased number of dendrites, synaptic connections and neural networks. These all alterations were reversed on administration of selenium towards fluoride toxicity and the results were significant (p<0.01). The results of selenium alone treated group of rats is comparable to control group. Based on these observed results, the present study evidenced the protective role of selenium against fluoride induced neurotoxicity.
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Affiliation(s)
- Gorantla Sri Charitha
- Department of Zoology, University college of Science, Osmania University, Hyderabad -500007, Telangana, India
| | - Kurmeti Sudhakar
- Department of Zoology, University college of Science, Osmania University, Hyderabad -500007, Telangana, India
| | - K. Pratap Reddy
- Department of Zoology, University college of Science, Osmania University, Hyderabad -500007, Telangana, India
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Güner Ş, Uyar-Bozkurt S, Haznedaroğlu E, Menteş A. Dental Fluorosis and Catalase Immunoreactivity of the Brain Tissues in Rats Exposed to High Fluoride Pre- and Postnatally. Biol Trace Elem Res 2016; 174:150-157. [PMID: 27052310 DOI: 10.1007/s12011-016-0695-2] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/14/2016] [Accepted: 03/30/2016] [Indexed: 12/18/2022]
Abstract
This study evaluated dental fluorosis of the incisors and immunoreactivity in the brain tissues of rats given chronic fluoride doses pre- and postnatally. Female rats were given drinking water with 0, 30 or 100 ppm fluoride ad libitum throughout gestation and the nursing period. In addition, 63 male offspring were treated with the same water regimens as the mothers after weaning and were followed for 1, 3 or 5 months. The upper and lower incisors were collected, and all teeth were examined under a stereomicroscope and scored by two blinded examiners using a modified rodent enamel fluorosis index. Cortical, hippocampal and cerebellar brain samples were evaluated morphologically and immunohistochemically. All fluoride-treated pups were born with low body weight (p = 0.001). All animals from the fluoride groups had enamel fluorosis with defects of various degrees. The increase in the dental fluorosis scores in the fluoride treatment groups was significant (p < 0.01). The catalase immunoreactivity in the 30- and 100-ppm fluoride groups was significantly higher than that in the controls after 1, 3 and 5 months (p < 0.001). In conclusion, this study showed that rats with dental fluorosis had catalase immunoreactivity in the brain tissues, which may reflect the neurobehavioral toxicity of fluoride.
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Affiliation(s)
- Şirin Güner
- Department of Pediatric Dentistry, Faculty of Dentistry, Trakya University, Balkan Campus, 22030, Edirne, Turkey
| | - Süheyla Uyar-Bozkurt
- Department of Pathology, Institute for Neurological Sciences, Marmara University, Istanbul, Turkey
| | - Eda Haznedaroğlu
- Department of Pediatric Dentistry, Faculty of Dentistry, Marmara University, Basibuyuk Campus, Basibuyuk, Maltepe, 34854, Istanbul, Turkey
| | - Ali Menteş
- Department of Pediatric Dentistry, Faculty of Dentistry, Marmara University, Basibuyuk Campus, Basibuyuk, Maltepe, 34854, Istanbul, Turkey.
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