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Wang J, Dong X, Ma F, Li C, Bu R, Lu J, Gao J, Xue P. Metabolomics profiling reveals Echinops latifolius Tausch improves the trabecular micro-architecture of ovariectomized rats mainly via intervening amino acids and glycerophospholipids metabolism. J Ethnopharmacol 2020; 260:113018. [PMID: 32502650 DOI: 10.1016/j.jep.2020.113018] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/28/2020] [Revised: 05/22/2020] [Accepted: 05/24/2020] [Indexed: 06/11/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Echinops latifolius Tausch (ELT) is traditional Mongolian medicine in China, and often used to against osteoporosis, strengthen tendons and bones, clear bones heat. AIM OF THE STUDY To study efficacy of ELT on ovariectomized (OVX) rats and underly metabolic pathways related to trabecular micro-architecture changing of OVX. MATERIALS AND METHODS Three-month-old female Wistar rats were randomly divided into 4 groups (n = 6) including normal group (without surgery), sham group (bilateral laparotomy), OVX group (bilateral ovariectomy), and ELT-treated groups (ELT-treated after bilateral ovariectomy). The effects of ELT on trabecular micro-architecture and biochemical markers of OVX rat were investigated by dual-energy X-ray absorptiometry machine and Enzyme-linked immunosorbent assay (ELISA), respectively. Untargeted metabolomics strategy was applied to discover the potential biomarkers and related metabolic pathways involving the progression of OVX-induced osteoporosis. RESULTS The trabecular micro-architecture and biochemical markers of OVX rats were improved by ELT. We found 36 potential biomarkers and 21 related metabolic pathways were involved in progression of OVX-induced osteoporosis. Amino acids metabolism and glycerophospholipids metabolism were mainly intervened in ELT treatment on ovariectomized rats. The disordered amino acids and glycerophospholipids metabolism closely related to the imbalance between bone resorption and formation were reversed by administration of ELT, indicating that the influences of ELT on OVX rats' trabecular micro-architecture may possible be associated with intervening amino acids and glycerophospholipids metabolism. CONCLUSIONS This approach may provide the metabolomic perspective to link metabolic alterations and anti-osteoporosis action of ELT, to further explain how ELT works in postmenopausal patients with bone loss.
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Affiliation(s)
- Jiaqi Wang
- Department of Pharmacy, Inner Mongolia Medical University, Jinshan Development Zone, Hohhot, 010110, China
| | - Xin Dong
- Department of Pharmacy, Inner Mongolia Medical University, Jinshan Development Zone, Hohhot, 010110, China
| | - Feixiang Ma
- Department of Pharmacy, Inner Mongolia Medical University, Jinshan Development Zone, Hohhot, 010110, China
| | - Chunyan Li
- Department of Pharmacy, Inner Mongolia Medical University, Jinshan Development Zone, Hohhot, 010110, China
| | - Ren Bu
- Department of Pharmacy, Inner Mongolia Medical University, Jinshan Development Zone, Hohhot, 010110, China
| | - Jingkun Lu
- Department of Pharmacy, Inner Mongolia Medical University, Jinshan Development Zone, Hohhot, 010110, China
| | - Jianping Gao
- Department of Pharmacy, Inner Mongolia Medical University, Jinshan Development Zone, Hohhot, 010110, China.
| | - Peifeng Xue
- Department of Pharmacy, Inner Mongolia Medical University, Jinshan Development Zone, Hohhot, 010110, China.
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Ross RD, Anderson K, Davison R, El-Masri BM, Andreasen CM, Andersen TL, Sumner DR. Osteoporosis Treatments Affect Bone Matrix Maturation in a Rat Model of Induced Cortical Remodeling. JBMR Plus 2020; 4:e10344. [PMID: 32258964 PMCID: PMC7117844 DOI: 10.1002/jbm4.10344] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/13/2020] [Accepted: 01/19/2020] [Indexed: 11/20/2022] Open
Abstract
To test how osteoporosis drugs affect bone matrix maturation during cortical bone remodeling, 72 pregnant rats were switched from a 0.4% to a 0.01% calcium diet at parturition for a 23‐day lactation period. At weaning, eight dams were sacrificed to establish baseline values, while the remaining dams were returned to 0.4% calcium and treated with vehicle (saline), sodium fluoride (NaF), zoledronic acid (ZA), or sclerostin antibody (Scl‐Ab) for either 7 or 28 days (eight animals per group per time point). Femora were examined by μCT, dynamic histomorphometry, Fourier transform infrared imaging, and three‐point bending of notched specimens. Cortical porosity decreased in all groups from baseline to day 28. Intracortical mineralizing surface (MS/BS) and mineral apposition rate (MAR), as well as the mineral‐to‐matrix ratio were unaffected by treatment, but intracortical crystallinity was increased in the ZA group at day 10 compared with vehicle. Cortical area increased in all groups over 28 days mainly because of an addition of bone at the endocortical surface. Endocortical MS/BS did not vary among the groups, but endocortical MAR was suppressed in the NaF group at day 2 and elevated in the Scl‐Ab group at day 4 compared with vehicle. Endocortical mineral‐to‐matrix ratio was increased at days 5 and 10 following NaF treatment and endocortical crystallinity was increased at day 5 following ZA treatment compared with vehicle. Fracture toughness did not differ among the groups. Thus, the treatments affected matrix maturation more strongly at the endocortical then intracortical envelope. In this model of induced remodeling, the bone formation phase is synchronized at multiple sites, facilitating study of the effects of drugs or other bone‐targeting agents on matrix maturation independent of their effects on the initiation of remodeling. © 2020 The Authors. JBMR Plus published by Wiley Periodicals, Inc. on behalf of American Society for Bone and Mineral Research.
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Affiliation(s)
- Ryan D Ross
- Department of Cell & Molecular Medicine Rush University Medical Center Chicago IL USA.,Department of Orthopedic Surgery Rush University Medical Center Chicago IL USA
| | - Kyle Anderson
- Department of Cell & Molecular Medicine Rush University Medical Center Chicago IL USA
| | - Reid Davison
- Department of Cell & Molecular Medicine Rush University Medical Center Chicago IL USA
| | - Bilal M El-Masri
- Clinical Cell Biology, Research Unit of Pathology, Department of Clinical Research University of Southern Denmark, and Department of Pathology, Odense University Hospital Odense Denmark.,Department of Molecular Medicine University of Southern Denmark Odense Denmark
| | - Christina M Andreasen
- Clinical Cell Biology, Research Unit of Pathology, Department of Clinical Research University of Southern Denmark, and Department of Pathology, Odense University Hospital Odense Denmark.,Department of Molecular Medicine University of Southern Denmark Odense Denmark
| | - Thomas L Andersen
- Clinical Cell Biology, Research Unit of Pathology, Department of Clinical Research University of Southern Denmark, and Department of Pathology, Odense University Hospital Odense Denmark.,Department of Molecular Medicine University of Southern Denmark Odense Denmark
| | - Dale R Sumner
- Department of Cell & Molecular Medicine Rush University Medical Center Chicago IL USA.,Department of Orthopedic Surgery Rush University Medical Center Chicago IL USA
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Abstract
The effect of fluoride on osteoclasts is still controversial. In the past, researchers thought that the effects of fluoride on osteoclast and osteoblast formation occurred in a dose-dependent pattern. However, our previous in vitro study showed fluoride elicited a notably different effect on osteoclast formation. To further verify the relationship between fluoride and osteoclast formation in vivo, 60 male C57BL/6 mice were randomly divided into three groups: two treatment groups consuming water supplemented with 50 and 100 mg/L of fluoride, and a third control group with nonsupplemented water. Ion selective electrode method analysis was used to detect bone fluoride content, and the effects of fluoride on bone tissue were assessed with hematoxylin and eosin (HE) staining. Additionally, the expression of BGP and ALP were examined by Western blot analysis, and tartrate-resistant acid phosphatase (TRAP) was assessed with immunohistochemistry. Osteoclasts in bone tissue were identified with a combination method of TRAP staining and cell morphology assessment. Results showed increasing expression of BGP among treatment groups as fluoride exposure increased, and ALP expression in the 100 mg/L treatment group was significantly higher than that for both the 50 mg/L treatment and control groups. The number of osteoclasts in the 50 mg/L group was highest amongst the three groups, followed by the 100 mg/L treatment and then by the control group, with the latter showing significantly fewer osteoclasts than in either treatment group. These results suggest that fluoride enhances bone formation at increasing levels of fluoride exposure. However, the inverted U-curve association was found between fluoride exposure and osteoclast formation, with the higher dose of fluoride having slightly reduced osteoclast formation. The results from this study may provide key insights towards understanding the role of osteoclasts in the progression of skeletal fluorosis.
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Affiliation(s)
- Yingjie Yao
- Key Lab of Etiology and Epidemiology, Education Bureau of Heilongjiang Province & National Health Commission (23618504), Center for Endemic Disease Control, Chinese Center for Disease Control and Prevention, Harbin Medical University, Harbin, 150081, Heilongjiang Province, China
| | - Yongzheng Ma
- Key Lab of Etiology and Epidemiology, Education Bureau of Heilongjiang Province & National Health Commission (23618504), Center for Endemic Disease Control, Chinese Center for Disease Control and Prevention, Harbin Medical University, Harbin, 150081, Heilongjiang Province, China
| | - Nan Zhong
- Key Lab of Etiology and Epidemiology, Education Bureau of Heilongjiang Province & National Health Commission (23618504), Center for Endemic Disease Control, Chinese Center for Disease Control and Prevention, Harbin Medical University, Harbin, 150081, Heilongjiang Province, China
| | - Junrui Pei
- Key Lab of Etiology and Epidemiology, Education Bureau of Heilongjiang Province & National Health Commission (23618504), Center for Endemic Disease Control, Chinese Center for Disease Control and Prevention, Harbin Medical University, Harbin, 150081, Heilongjiang Province, China.
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Liu S, Zhou H, Liu H, Ji H, Fei W, Luo E. Fluorine-contained hydroxyapatite suppresses bone resorption through inhibiting osteoclasts differentiation and function in vitro and in vivo. Cell Prolif 2019; 52:e12613. [PMID: 30968984 PMCID: PMC6536412 DOI: 10.1111/cpr.12613] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2018] [Revised: 03/08/2019] [Accepted: 03/09/2019] [Indexed: 02/05/2023] Open
Abstract
Objectives Fluorine, an organic trace element, has been shown to unfavourably effect osteoclasts function at a low dose. Use of hydroxyapatite (HA) has been effective in exploring its roles in promoting bone repair. In this study, we used HA modified with fluorine to investigate whether it could influence osteoclastic activity in vitro and ovariectomy‐induced osteoclasts hyperfunction in vivo. Materials and methods Fluorohydroxyapatite (FHA) was obtained and characterized by scanning electron microscope (SEM). Osteoclasts proliferation and apoptosis treated with FHA were assessed by MTT and TUNEL assay. SEM, F‐actin, TRAP activity and bone resorption experiment were performed to determine the influence of FHA on osteoclasts differentiation and function. Moreover, HA and FHA were implanted into ovariectomized osteoporotic and sham surgery rats. Histology and Micro‐CT were examined for further verification. Results Fluorine released from FHA slowly and sustainably. FHA hampered osteoclasts proliferation, promoted osteoclasts apoptosis, suppressed osteoclasts differentiation and function. Experiments in vivo validated that FHA participation brought about an inhibitory effect on osteoclasts hyperfunction and less bone absorption. Conclusion The results indicated that FHA served as an efficient regulator to attenuate osteoclasts formation and function and was proposed as a candidature for bone tissue engineering applications.
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Affiliation(s)
- Shibo Liu
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of oral and Maxillofacial Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Hao Zhou
- Department of Stomotology, Sichuan Academy of Medical Science & Sichuan Provincial People's Hospital, Chengdu, China
| | - Hanghang Liu
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of oral and Maxillofacial Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Huanzhong Ji
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of oral and Maxillofacial Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Wei Fei
- Department of Stomotology, Sichuan Academy of Medical Science & Sichuan Provincial People's Hospital, Chengdu, China
| | - En Luo
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of oral and Maxillofacial Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu, China
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Daiwile AP, Tarale P, Sivanesan S, Naoghare PK, Bafana A, Parmar D, Kannan K. Role of fluoride induced epigenetic alterations in the development of skeletal fluorosis. Ecotoxicol Environ Saf 2019; 169:410-417. [PMID: 30469026 DOI: 10.1016/j.ecoenv.2018.11.035] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/05/2018] [Revised: 10/21/2018] [Accepted: 11/09/2018] [Indexed: 05/19/2023]
Abstract
Fluoride is an essential trace element required for proper bone and tooth development. Systemic high exposure to fluoride through environmental exposure (drinking water and food) may result in toxicity causing a disorder called fluorosis. In the present study, we investigated the alteration in DNA methylation profile with chronic exposure (30 days) to fluoride (8 mg/l) and its relevance in the development of fluorosis. Whole genome bisulfite sequencing (WGBS) was carried out in human osteosarcoma cells (HOS) exposed to fluoride. Whole genome bisulfite sequencing (WGBS) and functional annotation of differentially methylated genes indicate alterations in methylation status of genes involved in biological processes associated with bone development pathways. Combined analysis of promoter DNA hyper methylation, STRING: functional protein association networks and gene expression analysis revealed epigenetic alterations in BMP1, METAP2, MMP11 and BACH1 genes, which plays a role in the extracellular matrix disassembly, collagen catabolic/organization process, skeletal morphogenesis/development, ossification and osteoblast development. The present study shows that fluoride causes promoter DNA hypermethylation in BMP1, METAP2, MMP11 and BACH1 genes with subsequent down-regulation in their expression level (RNA level). The results implies that fluoride induced DNA hypermethylation of these genes may hamper extracellular matrix deposition, cartilage formation, angiogenesis, vascular system development and porosity of bone, thus promote skeletal fluorosis.
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Affiliation(s)
- Atul P Daiwile
- Health and Toxicity Cell, CSIR-National Environmental Engineering Research Institute (NEERI), Nagpur 440020, India
| | - Prashant Tarale
- Health and Toxicity Cell, CSIR-National Environmental Engineering Research Institute (NEERI), Nagpur 440020, India
| | - Saravanadevi Sivanesan
- Health and Toxicity Cell, CSIR-National Environmental Engineering Research Institute (NEERI), Nagpur 440020, India.
| | - Pravin K Naoghare
- Environmental Impact and Sustainability Division, CSIR-National Environmental Engineering Research Institute (NEERI), Nagpur 440020, India
| | - Amit Bafana
- Director's Research Cell, CSIR-National Environmental Engineering Research Institute (NEERI), Nagpur 440020, India
| | - Devendra Parmar
- Developmental Toxicology Division, CSIR-Indian Institute of Toxicology Research (IITR), Lucknow 226001, India
| | - Krishnamurthi Kannan
- Health and Toxicity Cell, CSIR-National Environmental Engineering Research Institute (NEERI), Nagpur 440020, India
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6
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Zhu J, Pan J, Nong S, Ma Y, Xing A, Zhu X, Wen B, Fang W, Wang Y. Transcriptome Analysis Reveals the Mechanism of Fluoride Treatment Affecting Biochemical Components in Camellia sinensis. Int J Mol Sci 2019; 20:ijms20020237. [PMID: 30634430 PMCID: PMC6359021 DOI: 10.3390/ijms20020237] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2018] [Revised: 01/02/2019] [Accepted: 01/04/2019] [Indexed: 02/06/2023] Open
Abstract
Tea (Camellia sinensis (L.) O. Kuntze), one of the main crops in China, is high in various bioactive compounds including flavonoids, catechins, caffeine, theanine, and other amino acids. C. sinensis is also known as an accumulator of fluoride (F), and the bioactive compounds are affected by F, however, the mechanism remains unclear. Here, the effects of F treatment on the accumulation of F and major bioactive compounds and gene expression were investigated, revealing the molecular mechanisms affecting the accumulation of bioactive compounds by F treatment. The results showed that F accumulation in tea leaves gradually increased under exogenous F treatments. Similarly, the flavonoid content also increased in the F treatment. In contrast, the polyphenol content, free amino acids, and the total catechins decreased significantly. Special amino acids, such as sulfur-containing amino acids and proline, had the opposite trend of free amino acids. Caffeine was obviously induced by exogenous F, while the theanine content peaked after two day-treatment. These results suggest that the F accumulation and content of bioactive compounds were dramatically affected by F treatment. Furthermore, differentially expressed genes (DEGs) related to the metabolism of main bioactive compounds and amino acids, especially the pivotal regulatory genes of catechins, caffeine, and theanine biosynthesis pathways, were identified and analyzed using high-throughput Illumina RNA-Seq technology and qRT-PCR. The expression of pivotal regulatory genes is consistent with the changes of the main bioactive compounds in C. sinensis leaves, indicating a complicated molecular mechanism for the above findings. Overall, these data provide a reference for exploring the possible molecular mechanism of the accumulation of major bioactive components such as flavonoid, catechins, caffeine, theanine and other amino acids in tea leaves in response to fluoride treatment.
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Affiliation(s)
- Jiaojiao Zhu
- College of Horticulture, Nanjing Agricultural University, Nanjing 210095, China.
| | - Junting Pan
- College of Horticulture, Nanjing Agricultural University, Nanjing 210095, China.
- Key Laboratory of Photobiology, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China.
| | - Shouhua Nong
- College of Horticulture, Nanjing Agricultural University, Nanjing 210095, China.
| | - Yuanchun Ma
- College of Horticulture, Nanjing Agricultural University, Nanjing 210095, China.
| | - Anqi Xing
- College of Horticulture, Nanjing Agricultural University, Nanjing 210095, China.
| | - Xujun Zhu
- College of Horticulture, Nanjing Agricultural University, Nanjing 210095, China.
| | - Bo Wen
- College of Horticulture, Nanjing Agricultural University, Nanjing 210095, China.
| | - Wanping Fang
- College of Horticulture, Nanjing Agricultural University, Nanjing 210095, China.
| | - Yuhua Wang
- College of Horticulture, Nanjing Agricultural University, Nanjing 210095, China.
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Millan-linares MC, Lemus-conejo A, Yust MM, Pedroche J, Carrillo-vico A, Millan F, Montserrat-de la Paz S. GPETAFLR, a novel bioactive peptide from Lupinus angustifolius L. protein hydrolysate, reduces osteoclastogenesis. J Funct Foods 2018; 47:299-303. [DOI: 10.1016/j.jff.2018.05.069] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
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Pereira AG, Chiba FY, de Lima Coutinho Mattera MS, Pereira RF, de Cássia Alves Nunes R, Tsosura TVS, Okamoto R, Sumida DH. Effects of fluoride on insulin signaling and bone metabolism in ovariectomized rats. J Trace Elem Med Biol 2017; 39:140-146. [PMID: 27908407 DOI: 10.1016/j.jtemb.2016.09.007] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/05/2016] [Revised: 09/20/2016] [Accepted: 09/22/2016] [Indexed: 01/10/2023]
Abstract
Fluoride is an essential trace element for the maintenance of bone health owing to its capacity to stimulate proliferation and osteoblastic activity that can lead to increased bone formation. However, excessive sodium fluoride (NaF) intake can impair carbohydrate metabolism thereby promoting hyperglycemia, insulin resistance, and changes in insulin signaling. Thus, this study aimed to evaluate the effect of chronic treatment with NaF in bone metabolism, insulin signaling, and plasma concentrations of glucose, insulin, tumor necrosis factor-α (TNF-α), osteocalcin (OCN), and fluoride in ovariectomized rats. Thirty-two ovariectomized Wistar rats were randomly distributed into two groups: Control (OVX-C) and those undergoing treatment with NaF (50mg F/L) in drinking water for 42days (OVX-F). Glucose and insulin levels were assessed, followed by homeostasis model assessment of insulin resistance (HOMA-IR). Akt serine phosphorylation was evaluated by western blotting. Plasma concentrations of TNF-α and OCN were evaluated by ELISA. The left and right tibia was collected for immunohistochemical and histomorphometric analysis, respectively. Chronic treatment with NaF promoted insulin resistance, decreased insulin signal, increased plasma concentration of insulin, fluoride, OCN and TNF-α, decreased trabecular bone area of the tibia, and caused changes in bone metabolism markers in ovariectomized rats. These results suggest the need for caution in the use of NaF for the treatment of osteoporosis, especially in postmenopausal woman.
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Affiliation(s)
- Amanda Gomes Pereira
- Programa de Pós-Graduação Multicêntrico em Ciências Fisiológicas-SBFis - Department of Basic Sciences - Araçatuba Dental School, UNESP - Univ Estadual Paulista, Rua José Bonifácio 1193. CEP 16015-050, Brazil
| | - Fernando Yamamoto Chiba
- Department of Child and Social Dentistry - Araçatuba Dental School, UNESP - Univ Estadual Paulista, Rua José Bonifácio 1193. CEP 16015-050, Brazil.
| | - Maria Sara de Lima Coutinho Mattera
- Programa de Pós-Graduação Multicêntrico em Ciências Fisiológicas-SBFis - Department of Basic Sciences - Araçatuba Dental School, UNESP - Univ Estadual Paulista, Rua José Bonifácio 1193. CEP 16015-050, Brazil
| | - Renato Felipe Pereira
- Programa de Pós-Graduação Multicêntrico em Ciências Fisiológicas-SBFis - Department of Basic Sciences - Araçatuba Dental School, UNESP - Univ Estadual Paulista, Rua José Bonifácio 1193. CEP 16015-050, Brazil
| | - Rita de Cássia Alves Nunes
- Programa de Pós-Graduação Multicêntrico em Ciências Fisiológicas-SBFis - Department of Basic Sciences - Araçatuba Dental School, UNESP - Univ Estadual Paulista, Rua José Bonifácio 1193. CEP 16015-050, Brazil
| | - Thaís Verônica Saori Tsosura
- Programa de Pós-Graduação Multicêntrico em Ciências Fisiológicas-SBFis - Department of Basic Sciences - Araçatuba Dental School, UNESP - Univ Estadual Paulista, Rua José Bonifácio 1193. CEP 16015-050, Brazil
| | - Roberta Okamoto
- Programa de Pós-Graduação Multicêntrico em Ciências Fisiológicas-SBFis - Department of Basic Sciences - Araçatuba Dental School, UNESP - Univ Estadual Paulista, Rua José Bonifácio 1193. CEP 16015-050, Brazil
| | - Doris Hissako Sumida
- Programa de Pós-Graduação Multicêntrico em Ciências Fisiológicas-SBFis - Department of Basic Sciences - Araçatuba Dental School, UNESP - Univ Estadual Paulista, Rua José Bonifácio 1193. CEP 16015-050, Brazil
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Herrera PK, Zambolin AP, Fernandes MDS, Cestari TM, Iano FG, Zambuzzi WF, Buzalaf MAR, Oliveira RCD. Fluoride affects bone repair differently in mice models with distinct bone densities. J Trace Elem Med Biol 2017; 39:129-134. [PMID: 27908404 DOI: 10.1016/j.jtemb.2016.09.004] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/01/2016] [Revised: 08/23/2016] [Accepted: 09/13/2016] [Indexed: 12/28/2022]
Abstract
We grouped mice [strains: C57BL/6J (n=32) and C3H/HeJ (n=32)] to address the influence of bone density on fluoride's (F's) biological effects. These animals received low-fluoride food and water containing 0 (control group) or 50ppm of F for up to 28days. The upper left central incisor was extracted, and the left maxilla was collected at 7, 14, 21, and 28days for histological and histomorphometric analysis to estimate bone neoformation. Our results showed bone neoformation in all of the evaluated groups, with the presence of bone islets invading the center of the alveoli when replacing the existing connective tissue. Curiously, this biological phenomenon was more evident in the C57BL/6J strain. The histomorphometric analysis confirmed the histological findings in relation to the amount of new bone tissue and showed a decrease in C3H/HeJ mice (control group). Altogether, our results showed differential effects of fluoride bone metabolism, confirming a genetic component in susceptibility to the effects of fluoride.
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Affiliation(s)
- Paula Kennerly Herrera
- Department of Biological Sciences, Bauru School of Dentistry, University of São Paulo, Al. Octávio Pinheiro Brisolla, 9-75, 17012-901, Bauru, São Paulo, Brazil
| | - Andressa Pelissari Zambolin
- Department of Biological Sciences, Bauru School of Dentistry, University of São Paulo, Al. Octávio Pinheiro Brisolla, 9-75, 17012-901, Bauru, São Paulo, Brazil
| | - Mileni da Silva Fernandes
- Department of Genetics and Evolution, Center of Biological Sciences and Health, Federal University of São Carlos, Washington Luis, km 235, 13560-970, São Carlos, São Paulo, Brazil
| | - Tânia Mary Cestari
- Department of Biological Sciences, Bauru School of Dentistry, University of São Paulo, Al. Octávio Pinheiro Brisolla, 9-75, 17012-901, Bauru, São Paulo, Brazil
| | - Flávia Godoy Iano
- Department of Biological Sciences, Bauru School of Dentistry, University of São Paulo, Al. Octávio Pinheiro Brisolla, 9-75, 17012-901, Bauru, São Paulo, Brazil
| | - Willian Fernando Zambuzzi
- Laboratory for Bioassays and Cellular Dynamics, Department of Chemistry and Biochemistry, Bioscience Institute, São Paulo State University, Rubião Junior S/N, 18618-970, Botucatu, São Paulo, Brazil
| | - Marília Afonso Rabelo Buzalaf
- Department of Biological Sciences, Bauru School of Dentistry, University of São Paulo, Al. Octávio Pinheiro Brisolla, 9-75, 17012-901, Bauru, São Paulo, Brazil
| | - Rodrigo Cardoso de Oliveira
- Department of Biological Sciences, Bauru School of Dentistry, University of São Paulo, Al. Octávio Pinheiro Brisolla, 9-75, 17012-901, Bauru, São Paulo, Brazil.
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de Cássia Alves Nunes R, Chiba FY, Pereira AG, Pereira RF, de Lima Coutinho Mattera MS, Ervolino E, Louzada MJQ, Buzalaf MAR, Silva CA, Sumida DH. Effect of Sodium Fluoride on Bone Biomechanical and Histomorphometric Parameters and on Insulin Signaling and Insulin Sensitivity in Ovariectomized Rats. Biol Trace Elem Res 2016; 173:144-53. [PMID: 26876375 DOI: 10.1007/s12011-016-0642-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/18/2015] [Accepted: 02/04/2016] [Indexed: 01/24/2023]
Abstract
Osteoporosis is a systemic disease characterized by bone degradation and decreased bone mass that promotes increased bone fragility and eventual fracture risk. Studies have investigated the use of sodium fluoride (NaF) for the treatment of osteoporosis. However, fluoride can alter glucose homeostasis. The aim of this study was to evaluate the effects of NaF intake (50 mg/L) from water on the following parameters of ovariectomized (OVX) rats: (1) tyrosine phosphorylation status of insulin receptor substrate (pp185 (IRS-1/IRS-2)) in white adipose tissue; (2) insulin sensitivity; (3) plasma concentrations of glucose, insulin, total cholesterol, triglyceride, TNF-α, IL-6, osteocalcin, calcium, and fluoride; (4) bone density and biomechanical properties in the tibia; and (5) tibia histomorphometric analysis. Fifty-two Wistar rats (2 months old) were ovariectomized and distributed into two groups: control group (OVX-C) and NaF group (OVX-F), which was subjected to treatment with NaF (50 mg/L) administered in drinking water for 42 days. The chronic treatment with NaF promoted (1) a decrease in pp185 (IRS-1/IRS-2) tyrosine phosphorylation status after insulin infusion in white adipose tissue and in insulin sensitivity; (2) an increase in the plasma concentration of insulin, fluoride, osteocalcin, calcium, triglyceride, VLDL-cholesterol, TNF-α, and IL-6; (3) a reduction in the trabecular width, bone area, stiffness, maximum strength, and tenacity; (4) no changes in body weight, food and water intake, plasma glucose, total cholesterol, HDL-cholesterol, LDL-cholesterol, bone mineral content, and bone mineral density. It was concluded that chronic treatment with NaF (50 mg/L) in OVX rats causes a decrease in insulin sensitivity, insulin signaling transduction, and biochemical, biomechanical, and histomorphometric bone parameters.
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Affiliation(s)
- Rita de Cássia Alves Nunes
- Ciências Fisiológicas-SBFis, Department of Basic Sciences, Araçatuba Dental School, UNESP-Univ Estadual Paulista, Rua José Bonifácio 1193, Araçatuba, CEP 16015-050, Brazil
| | - Fernando Yamamoto Chiba
- Department of Child and Social Dentistry, Araçatuba Dental School, UNESP-Univ Estadual Paulista, Rua José Bonifácio 1193., Araçatuba, CEP 16015-050, Brazil
| | - Amanda Gomes Pereira
- Ciências Fisiológicas-SBFis, Department of Basic Sciences, Araçatuba Dental School, UNESP-Univ Estadual Paulista, Rua José Bonifácio 1193, Araçatuba, CEP 16015-050, Brazil
| | - Renato Felipe Pereira
- Ciências Fisiológicas-SBFis, Department of Basic Sciences, Araçatuba Dental School, UNESP-Univ Estadual Paulista, Rua José Bonifácio 1193, Araçatuba, CEP 16015-050, Brazil
| | - Maria Sara de Lima Coutinho Mattera
- Ciências Fisiológicas-SBFis, Department of Basic Sciences, Araçatuba Dental School, UNESP-Univ Estadual Paulista, Rua José Bonifácio 1193, Araçatuba, CEP 16015-050, Brazil
| | - Edilson Ervolino
- Ciências Fisiológicas-SBFis, Department of Basic Sciences, Araçatuba Dental School, UNESP-Univ Estadual Paulista, Rua José Bonifácio 1193, Araçatuba, CEP 16015-050, Brazil
| | - Mário Jefferson Quirino Louzada
- Department of Support, Animal Production and Health, Araçatuba School of Veterinary Medicine, UNESP-Univ Estadual Paulista, Rua Clóvis Pestana, 793., Araçatuba, CEP 16050-680, Brazil
| | - Marília Afonso Rabelo Buzalaf
- Department of Biological Sciences, Bauru Dental School, University of São Paulo, Alameda Octávio Pinheiro Brisolla, 9-75, Bauru, São Paulo, 17012-901, Brazil
| | - Cristina Antoniali Silva
- Ciências Fisiológicas-SBFis, Department of Basic Sciences, Araçatuba Dental School, UNESP-Univ Estadual Paulista, Rua José Bonifácio 1193, Araçatuba, CEP 16015-050, Brazil
| | - Doris Hissako Sumida
- Ciências Fisiológicas-SBFis, Department of Basic Sciences, Araçatuba Dental School, UNESP-Univ Estadual Paulista, Rua José Bonifácio 1193, Araçatuba, CEP 16015-050, Brazil.
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Cai H, Zhu X, Peng C, Xu W, Li D, Wang Y, Fang S, Li Y, Hu S, Wan X. Critical factors determining fluoride concentration in tea leaves produced from Anhui province, China. Ecotoxicol Environ Saf 2016; 131:14-21. [PMID: 27162130 DOI: 10.1016/j.ecoenv.2016.04.023] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/22/2016] [Revised: 04/13/2016] [Accepted: 04/18/2016] [Indexed: 06/05/2023]
Abstract
This study investigated the fluoride present in tea plants (Camellia sinensis (L.) O. Kuntze) and its relationship to soils, varieties, seasons and tea leaf maturity. The study also explored how different manufacturing processes affect the leaching of fluoride into tea beverages. The fluoride concentration in the tea leaves was significantly correlate to the concentration of water-soluble fluoride in the soil. Different tea varieties accumulated different levels of fluoride, with varieties, Anji baicha having the highest and Nongkang zao having the lowest fluoride concentration. In eight different varieties of tea plant harvested over three tea seasons, fluoride concentration were highest in the summer and lowest in the spring in china. The fluoride concentration in tea leaves was directly related to the maturity of the tea leaves at harvest. Importantly, the tea manufacturing process did not introduced fluoride contamination. The leaching of fluoride was 6.8% and 14.1% higher in black and white tea, respectively, than in fresh tea leaves. The manufacturing step most affecting the leaching of fluoride into tea beverage was withering used in white, black and oolong tea rather than rolling or fermentation. The exposure and associated health risks for fluoride concentration in infusions of 115 commercially available teas from Chinese tea markets was determined. The fluoride concentration ranged from 5.0 to 306.0mgkg(-1), with an average of 81.7mgkg(-1). The hazard quotient (HQ) of these teas indicated that there was no risk of fluorosis from drinking tea, based on statistical analysis by Monte Carlo simulation.
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Affiliation(s)
- Huimei Cai
- State Key Laboratory of Tea Plant Biology and Utilization, Anhui Agricultural University, 130 West Changjiang Road, Hefei 230036, People's Republic of China
| | - Xiaohui Zhu
- State Key Laboratory of Tea Plant Biology and Utilization, Anhui Agricultural University, 130 West Changjiang Road, Hefei 230036, People's Republic of China
| | - Chuanyi Peng
- State Key Laboratory of Tea Plant Biology and Utilization, Anhui Agricultural University, 130 West Changjiang Road, Hefei 230036, People's Republic of China
| | - Wei Xu
- State Key Laboratory of Tea Plant Biology and Utilization, Anhui Agricultural University, 130 West Changjiang Road, Hefei 230036, People's Republic of China
| | - Daxiang Li
- State Key Laboratory of Tea Plant Biology and Utilization, Anhui Agricultural University, 130 West Changjiang Road, Hefei 230036, People's Republic of China
| | - Yijun Wang
- State Key Laboratory of Tea Plant Biology and Utilization, Anhui Agricultural University, 130 West Changjiang Road, Hefei 230036, People's Republic of China
| | - Shihui Fang
- State Key Laboratory of Tea Plant Biology and Utilization, Anhui Agricultural University, 130 West Changjiang Road, Hefei 230036, People's Republic of China
| | - Yeyun Li
- State Key Laboratory of Tea Plant Biology and Utilization, Anhui Agricultural University, 130 West Changjiang Road, Hefei 230036, People's Republic of China
| | - Shaode Hu
- State Key Laboratory of Tea Plant Biology and Utilization, Anhui Agricultural University, 130 West Changjiang Road, Hefei 230036, People's Republic of China
| | - Xiaochun Wan
- State Key Laboratory of Tea Plant Biology and Utilization, Anhui Agricultural University, 130 West Changjiang Road, Hefei 230036, People's Republic of China.
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Łukomska A, Jakubczyk K, Maciejewska D, Baranowska-Bosiacka I, Janda K, Goschorska M, Chlubek D, Bosiacka B, Gutowska I. The Fluoride Content of Yerba Mate Depending on the Country of Origin and the Conditions of the Infusion. Biol Trace Elem Res 2015; 167:320-5. [PMID: 25774045 PMCID: PMC4561060 DOI: 10.1007/s12011-015-0302-y] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/23/2014] [Accepted: 03/04/2015] [Indexed: 11/26/2022]
Abstract
There are many reports of the positive effect of yerba mate on the human body. Elemental composition analysis of yerba mate revealed the presence of many microelements and macroelements, but there is no literature data referencing the content and the effect of the method of preparing the yerba mate infusion on the amount of released fluoride and thus the amount of this element supplied to the human body. Therefore, in the traditional way (cold and hot), we prepared infusions of yerba mate from different countries and determined in samples content of fluoride using potentiometric method. Hot infusions resulted in statistically significant (p = 0.03) increases in the amount of fluoride released from the dried material to the water, compared to brewing with water at room temperature. The successive refills of hot water also resulted in a release of the same amount of fluoride, although smaller than the infusion with water at room temperature (at the third refill, it was statistically significantly smaller at p = 0.003). With an increase in the number of hot water refills, the amount of fluoride released from the sample portion significantly decreased. Similar results were recorded when analyzing samples depending on the country of origin. The amount of fluoride released into the water differed statistically significantly depending on the country of origin. The most fluoride was determined in the infusions of yerba mate from Argentina and the least in infusions from Paraguay.
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Affiliation(s)
- A. Łukomska
- Department of Biochemistry and Human Nutrition, Pomeranian Medical University, Broniewskiego 24 Street, 71-460 Szczecin, Poland
| | - K. Jakubczyk
- Department of Biochemistry and Human Nutrition, Pomeranian Medical University, Broniewskiego 24 Street, 71-460 Szczecin, Poland
| | - D. Maciejewska
- Department of Biochemistry and Human Nutrition, Pomeranian Medical University, Broniewskiego 24 Street, 71-460 Szczecin, Poland
| | - I. Baranowska-Bosiacka
- Department of Biochemistry, Pomeranian Medical University, PowstańcówWlkp. Av. 72, 70-111 Szczecin, Poland
| | - K. Janda
- Department of Biochemistry and Human Nutrition, Pomeranian Medical University, Broniewskiego 24 Street, 71-460 Szczecin, Poland
| | - M. Goschorska
- Department of Biochemistry, Pomeranian Medical University, PowstańcówWlkp. Av. 72, 70-111 Szczecin, Poland
| | - D. Chlubek
- Department of Biochemistry, Pomeranian Medical University, PowstańcówWlkp. Av. 72, 70-111 Szczecin, Poland
| | - B. Bosiacka
- Department of Plant Taxonomy and Phytogeography, University of Szczecin, Wąska 13 Street, Szczecin, Poland
| | - I. Gutowska
- Department of Biochemistry and Human Nutrition, Pomeranian Medical University, Broniewskiego 24 Street, 71-460 Szczecin, Poland
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Manrique N, Pereira CC, Luvizuto ER, Sánchez Mdel P, Okamoto T, Okamoto R, Sumida DH, Antoniali C. Hypertension modifies OPG, RANK, and RANKL expression during the dental socket bone healing process in spontaneously hypertensive rats. Clin Oral Investig 2015; 19:1319-27. [PMID: 25563972 DOI: 10.1007/s00784-014-1369-0] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2014] [Accepted: 11/13/2014] [Indexed: 10/24/2022]
Abstract
OBJECTIVE The aim of this study was to evaluate the dental socket bone healing process by histomorphometric and immunohistochemical analysis of osteoprotegerin (OPG), receptor activator of nuclear factor-κβ (RANK), and receptor activator of nuclear factor-κβ ligand (RANKL) proteins in spontaneously hypertensive rats (SHR). MATERIALS AND METHODS Under general anesthesia, 25 Wistar rats and 25 SHRs underwent upper right incisor extraction. Rats were euthanized after 7, 14, 21, 28, or 42 days of dental extractions. Histomorphometric and immunohistochemical analyses of OPG, RANK, and RANKL proteins were performed. RESULTS Histomorphometric results showed decreased bone healing and reduced bone trabecular thickness in SHRs. Immunohistochemical reactions showed intense RANKL and RANK immunolabeling at 14 and 28 postoperative days and mild OPG immunolabeling at 7, 14, and 21 days after surgery in SHRs. CONCLUSION The results of this study show that RANK, RANKL, and OPG immunolabeling was altered in SHRs, and these results are associated with bone healing delay and decreased trabecular thickness in SHRs. CLINICAL RELEVANCE Hypertension alters the expression of RANK, RANKL, and OPG and delays the socket bone healing process. These alterations could influence some dental procedures such as orthodontic treatment and implant placement.
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14
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Matsuda SS, Silva TL, Buzalaf MA, Rodrigues AC, de Oliveira RC. Differential effects of fluoride during osteoblasts mineralization in C57BL/6J and C3H/HeJ inbred strains of mice. Biol Trace Elem Res 2014; 161:123-9. [PMID: 25074429 DOI: 10.1007/s12011-014-0086-5] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/29/2014] [Accepted: 07/17/2014] [Indexed: 12/18/2022]
Abstract
The behavior of fluoride ions in biological systems has advantages and problems. On one hand, fluoride could be a mitogenic stimulus for osteoblasts. However, high concentrations of this element can cause apoptosis in rat and mouse osteoblasts. Toward an understanding of this effect, we examined the role of sodium fluoride (NaF) in two mouse calvaria osteoblasts during the mineralization process. The animals used were C3H/HeJ (C3) and C57BL/6J (B6) mice. The calvaria cells were cultured for 28 days in the presence of several doses of NaF (0, 5, 10, 25, 50, and 75 μM), and we performed the assays: mineralized nodule measurements, alkaline phosphatase (ALP) activity, determination of type I collagen, and matrix metalloproteinase-2 (MMP-2) activity. The results showed no effects on alkaline phosphatase activity but decreased mineralized nodule formation. In B6 cells, the NaF effect was already seen with 10 μM of NaF and a greater increase of cellular type I collagen, and MMP-2 activity was upregulated after 7 days of NaF exposure. C3 osteoblasts showed a reduction in the mineralization pattern only after 50 μM of NaF with a slight increase of type I collagen and downregulation of MMP-2 activity during the mineralization period. In conclusion, fluoride affects the production and degradation of the extracellular matrix during early onset and probably during the mineralization period. Additionally, the genetic factors may contribute to the variation in cell response to fluoride exposure, and the differences observed between the two strains could be explained by an alteration of the bone matrix metabolism (synthesis and degradation).
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Affiliation(s)
- Sandra S Matsuda
- Faculdade de Odontologia de Bauru, Departamento de Ciências Biológicas, Universidade de São Paulo, Alameda Dr. Octávio Pinheiro Brisolla, 9-75, Bauru, SP, 17012-901, Brazil
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15
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Rębacz-Maron E, Baranowska-Bosiacka I, Gutowska I, Krzywania N, Chlubek D. The content of fluoride, calcium and magnesium in the hair of young men of the Bantu language group from Tanzania versus social conditioning. Biol Trace Elem Res 2013; 156:91-5. [PMID: 24234514 PMCID: PMC3844147 DOI: 10.1007/s12011-013-9844-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/09/2013] [Accepted: 10/03/2013] [Indexed: 11/17/2022]
Abstract
The present study aimed at analysing the content of fluorine (F), calcium (Ca) and magnesium (Mg) in the hair of young male students (n =52) of a secondary school in Mafinga in Tanzania (Africa) who participated in anthropological examinations. Ca and Mg concentrations were determined using atomic absorption spectrophotometer while F levels using a potentiometric method. F in the hair of boys from older group (≥16 years old; n =24) was significantly higher than in the younger group (<16 years old; n =28) versus Ca and Mg levels. High carbohydrate diet was predominant- mainly based on corn or bean and meat served once a week, with few fruit and raw vegetables. Collective catering in the dormitory reflected habits and culinary preferences at home. The lack of balanced diet, with majority of the nutritional energy supplied by easily accessible and cheap carbohydrates, was reflected in dietary deficiencies, characterised, among others, by visible skin conditions and tooth decay.
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Affiliation(s)
- Ewa Rębacz-Maron
- Department of Anthropology, University of Szczecin, Str. Wąska 13, 71-415 Szczecin, Poland
| | - Irena Baranowska-Bosiacka
- Department of Biochemistry, Pomeranian Medical University, Powstańców Wlkp. av. 72, 70-111 Szczecin, Poland
| | - Izabela Gutowska
- Department of Biochemistry and Human Nutrition, Pomeranian Medical University, Broniewskiego Str. 24, 71-460 Szczecin, Poland
| | - Natalia Krzywania
- Department of Biochemistry, Pomeranian Medical University, Powstańców Wlkp. av. 72, 70-111 Szczecin, Poland
| | - Dariusz Chlubek
- Department of Biochemistry, Pomeranian Medical University, Powstańców Wlkp. av. 72, 70-111 Szczecin, Poland
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