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Cibulka M, Brodnanova M, Halasova E, Kurca E, Kolisek M, Grofik M. The Role of Magnesium in Parkinson's Disease: Status Quo and Implications for Future Research. Int J Mol Sci 2024; 25:8425. [PMID: 39125993 PMCID: PMC11312984 DOI: 10.3390/ijms25158425] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2024] [Revised: 07/15/2024] [Accepted: 07/29/2024] [Indexed: 08/12/2024] Open
Abstract
Neurodegenerative diseases represent an increasing economic, social, and, above all, medical burden worldwide. The second most prevalent disease in this category is Parkinson's disease, surpassed only by Alzheimer's. It is a treatable but still incurable systemic disease with a pathogenesis that has not yet been elucidated. Several theories are currently being developed to explain the causes and progression of Parkinson's disease. Magnesium is one of the essential macronutrients and is absolutely necessary for life as we know it. The magnesium cation performs several important functions in the cell in the context of energetic metabolism, substrate metabolism, cell signalling, and the regulation of the homeostasis of other ions. Several of these cellular processes have been simultaneously described as being disrupted in the development and progression of Parkinson's disease. The relationship between magnesium homeostasis and the pathogenesis of Parkinson's disease has received little scientific attention to date. The aim of this review is to summarise and critically evaluate the current state of knowledge on the possible role of magnesium in the pathogenesis of Parkinson's disease and to outline possible future directions for research in this area.
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Affiliation(s)
- Michal Cibulka
- Biomedical Centre Martin, Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava, 036 01 Martin, Slovakia; (M.C.); (M.B.); (E.H.)
| | - Maria Brodnanova
- Biomedical Centre Martin, Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava, 036 01 Martin, Slovakia; (M.C.); (M.B.); (E.H.)
| | - Erika Halasova
- Biomedical Centre Martin, Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava, 036 01 Martin, Slovakia; (M.C.); (M.B.); (E.H.)
| | - Egon Kurca
- Clinic of Neurology, Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava, 036 01 Martin, Slovakia;
| | - Martin Kolisek
- Biomedical Centre Martin, Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava, 036 01 Martin, Slovakia; (M.C.); (M.B.); (E.H.)
| | - Milan Grofik
- Clinic of Neurology, Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava, 036 01 Martin, Slovakia;
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Estimating short and longer-term exposure of domestic cats to dietary iodine fluctuation. Sci Rep 2022; 12:8987. [PMID: 35643927 PMCID: PMC9148307 DOI: 10.1038/s41598-022-13139-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2021] [Accepted: 05/12/2022] [Indexed: 11/08/2022] Open
Abstract
Hyperthyroidism is a common endocrinopathy of domestic felines. In humans, toxic nodular goitre is pathophysiologically similar to feline hyperthyroidism and can be caused by chronically low or fluctuating dietary iodine intake. The aetiopathogenesis of feline hyperthyroidism is not known, but chronically low or fluctuating dietary iodine intake is likely common. This study assessed habitual iodine intake in domestic cats by: (1) conducting a dietary survey involving 361 owners of 549 cats, (2) analysing iodine content of 119 cat feeds, 38 urine and 64 hair samples and (3) assessing variation in iodine content of eight cat feeds over 4–6 different batches. Owners varied their cats feed regularly, usually on a day-to-day basis and often between wet and dry feeds with differing flavours. The majority (78%; 93 of 119) feeds for cats were within the guideline range for iodine. Of the 22% (n = 26 feeds) that were not compliant, the majority (n = 23) were below the nutritional minimum value with most (n = 16) being dry kibble. Iodine content of feeds did not vary considerably between types of feed or feed packaging, but variation between different batches of the same feed was 14–31%. Hence, urine iodine in cats also varied markedly. Cats being treated for hyperthyroidism had lower hair iodine. In conclusion, a survey assessing how domestic cats are fed, together with an analysis of commercial cat feeds suggests that domestic cats are likely to experience chronically low or fluctuating dietary iodine intake. The latter is supported by wide variation in urine iodine content.
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Dos Santos AB, Bezerra MA, Rocha ME, Barreto GE, Kohlmeier KA. Lower calcium levels in hair of Parkinson's disease patients are associated with presence of sleeping disturbances. Nutr Neurosci 2021; 25:2577-2587. [PMID: 34693879 DOI: 10.1080/1028415x.2021.1990464] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
Objectives: To investigate the correlation between sleep disorders and the concentrations of three metals analyzed from hair samples of PD patients.The hypothesis of an involvement of an imbalance of metals in the development of Parkinson's Disease (PD) has been strengthened by several clinical chemistry studies. Interestingly, while sparse, some studies have correlated the imbalance of metals in PD patients with comorbidities present in this disease. Although not all PD sufferers present sleep disturbances, significant disorders of sleep are common in this population. Methods: Sleep evaluation was divided into three parameters: sleep quality, excessive daytime sleepiness and clinically probable REM Sleep Behavior Disorder. Flame atomic absorption spectrometry (F AAS) was used to assess the concentrations of calcium, iron and zinc in hair samples collected from a population of PD patients registered in a Brazilian city and from controls (a total of 53 subjects). All subjects lived within a restricted geographical region and were exposed to similar environmental conditions. Results: PD patients with poor sleep quality and excessive daytime sleepiness exhibited significant differences in concentrations of calcium, but not iron or zinc when compared to levels found in controls and PD patients who do not report these sleeping problems. Discussion: Our data suggest that different subgroups of PD patients exist, and clinical chemistry could be useful as a biomarker for these subgroups, which needs to be confirmed in a larger patient population. Further, our data raise the question regarding whether normalization of calcium levels could improve the sleep quality and somnolence in PD patients.
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Affiliation(s)
- Altair Brito Dos Santos
- Department of Drug Design and Pharmacology, University of Copenhagen, Copenhagen, Denmark.,Departamento de Ciências e Tecnologias, Universidade Estadual do Sudoeste da Bahia, Bahia, Brazil
| | - Marcos A Bezerra
- Departamento de Ciências e Tecnologias, Universidade Estadual do Sudoeste da Bahia, Bahia, Brazil
| | - Marcelo E Rocha
- Departamento de Ciências e Tecnologias, Universidade Estadual do Sudoeste da Bahia, Bahia, Brazil
| | - George E Barreto
- Department of Biological Sciences, University of Limerick, Limerick, Ireland
| | - Kristi A Kohlmeier
- Department of Drug Design and Pharmacology, University of Copenhagen, Copenhagen, Denmark
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Retzmann A, Walls D, Miller KA, Irrgeher J, Prohaska T, Wieser ME. A double-spike MC TIMS measurement procedure for low-amount Ca isotopic analysis of limited biological tissue samples. Anal Bioanal Chem 2021; 414:675-689. [PMID: 34651209 DOI: 10.1007/s00216-021-03650-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Revised: 08/30/2021] [Accepted: 09/03/2021] [Indexed: 10/20/2022]
Abstract
The application of Ca isotopic analysis in biomedical studies has great potential to identify changes in Ca metabolism and bone metabolism. Reliable measurement of Ca isotope-amount ratios is challenging considering limited Ca amounts and significant procedural blank levels. In this study, Ca purification was performed using the DGA Resin, optimized for low procedural blanks and separation of Ca from matrix elements and isobaric interferences (Na, Mg, K, Ti, Fe, Ba), while maintaining quasi-quantitative recoveries which are sufficient since a 42Ca-48Ca double-spike (DS) was applied. Ca isotopic analysis was performed using multicollector thermal ionization mass spectrometry (MC TIMS). The obtained procedural Ca blank of ≤10 ng enables processing of limited Ca amounts down to 670 ng. Data reduction of the measured Ca isotope-amount ratios was performed using an in-house developed software solving the DS algorithm. Data quality was improved by extension of equilibration time of the sample-DS mixture and implementation of a normalization strategy for raw isotopic data. The reported δ(44Ca/40Ca)NIST SRM 915a of NIST SRM 915a processed as a sample was found to be 0.01 ‰ ± 0.08 ‰ (2 SD, n = 15). Ca isotope-amount ratios of the reference material NIST SRM 1400 (bone ash), NIST SRM 1486 (bone meal), GBW07601 (human hair), and IAPSO (seawater) were in good agreement within uncertainty with literature data. Novel data on additional reference materials for biological tissues (hair) is presented, which might indicate a potential fractionation of Ca incorporated into hair tissue when compared to the blood pool.
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Affiliation(s)
- A Retzmann
- Department General, Analytical and Physical Chemistry, Chair of General and Analytical Chemistry, Montanuniversität Leoben, Leoben, Austria
| | - D Walls
- Department of Physics and Astronomy, University of Calgary, Calgary, Canada
| | - K A Miller
- Department of Physics and Astronomy, University of Calgary, Calgary, Canada
| | - J Irrgeher
- Department General, Analytical and Physical Chemistry, Chair of General and Analytical Chemistry, Montanuniversität Leoben, Leoben, Austria
- Department of Physics and Astronomy, University of Calgary, Calgary, Canada
| | - T Prohaska
- Department General, Analytical and Physical Chemistry, Chair of General and Analytical Chemistry, Montanuniversität Leoben, Leoben, Austria
- Department of Physics and Astronomy, University of Calgary, Calgary, Canada
| | - M E Wieser
- Department of Physics and Astronomy, University of Calgary, Calgary, Canada.
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Ma L, Song X, Yu Y, Chen Y. Two-Dimensional Silicene/Silicon Nanosheets: An Emerging Silicon-Composed Nanostructure in Biomedicine. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2021; 33:e2008226. [PMID: 34050575 DOI: 10.1002/adma.202008226] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/06/2020] [Indexed: 05/15/2023]
Abstract
Silicon-composed nanomedicines are one of the most representative inorganic nanosystems in theranostic biomedicine. The emerging of new family members of silicon-composed nanosystems substantially contributes to their further clinical translation. 2D silicene/silicon nanosheets have recently been developed as an emerging topology of silicon-composed nanoparticles, which features unique planar nanostructure with large surface area, abundant surface chemistry, specific physiochemical property, and desirable biological effects. This progress report highlights and discusses the state-of-art developments of the elaborate construction of 2D silicene/silicon nanosheets for versatile biomedical applications, including top-down fabrication, multifunctionalization, surface engineering, and their available biomedical applications in tumor theranostics (e.g., bioimaging, photothermal ablation, chemotherapy, chemoreactive nanotherapy, radiotherapy, and synergistic nanotherapy) and antibacteria. Their large surface area originating from 2D nanostructure not only enables efficient loading and delivery of chemotherapeutic drugs, but also guarantees the multifunctionalization. Especially, 2D silicene/silicon nanosheets harness desirable photothermal-conversion performance for photonic hyperthermia and photoacoustic imaging in the near infrared biowindow, accompanied with the desirable biodegradability and biocompatibility, which is typically not possessed in other silicon-composed counterparts. The multivariate analysis on the facing challenges and future developments of these 2D silicene/silicon nanosheets have also been conducted and outlooked for further underpinning their clinical translations.
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Affiliation(s)
- Lifang Ma
- Shanghai Institute of Thoracic Oncology, Shanghai Chest Hospital, Shanghai Jiao Tong University, Shanghai, 200030, P. R. China
| | - Xinran Song
- School of Life Sciences, Shanghai University, Shanghai, 2000444, P. R. China
| | - Yongchun Yu
- Shanghai Institute of Thoracic Oncology, Shanghai Chest Hospital, Shanghai Jiao Tong University, Shanghai, 200030, P. R. China
| | - Yu Chen
- School of Life Sciences, Shanghai University, Shanghai, 2000444, P. R. China
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Ren M, Jia X, Shi J, Yan L, Li Z, Lan C, Chen J, Li N, Li K, Huang J, Wu S, Lu Q, Li Z, Wang B, Liu J. Simultaneous analysis of typical halogenated endocrine disrupting chemicals and metal(loid)s in human hair. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 718:137300. [PMID: 32097838 DOI: 10.1016/j.scitotenv.2020.137300] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/29/2019] [Revised: 02/11/2020] [Accepted: 02/12/2020] [Indexed: 06/10/2023]
Abstract
Hair analysis has been an important approach in evaluating population exposure to various environmental factors. To meet the requirements of human environmental epidemiology studies, we aimed to develop an efficient method for simultaneous analysis of various metal(loid)s and some typical environmental halogenated endocrine disrupting chemicals (hEDCs) (i.e., polychlorinated biphenyls, polybrominated diphenyl ethers, and organochlorine pesticides, as well as some of their hydroxyl substituted metabolites) in a single hair sample. The hair was washed successively with surfactant solutions, methanol solvent, and deionized water to remove impurities attached to the hair surface. Efficiency was comprehensively compared among various washing strategies. The hair sample was further pulverized into fine powder with a median diameter (25th-75th percentile) of 8.6 (5.9-13.5) μm. The hair organic components were extracted by acetonitrile solvent and compared with the microwave-assisted extraction method. The hEDCs in the supernatant acetonitrile phase were quantified by gas chromatography-mass spectrometry, and the metal(loid)s in the precipitate hair were further analyzed by inductively coupled plasma mass spectrometry. Our developed method was further applied to analyze the hair samples of 165 pregnant women. The results showed that particles attached to the surface of the hair could not be washed off completely. However, we proposed a protocol framework to wash hair with relatively high efficience, which includes warm water incubation, and use of surfactant and organic solvent. The recoveries of the concerned hEDCs and metal(loid)s were overall in the range of 80% to 120%. For the women population, the method can efficiently recognize the typical exposure characteristics of the concerned hEDCs and metal(loid)s. Our study significantly ameliorated the deficiencies of the traditional hair washing strategy and developed an efficient method for simultaneous analysis of various metal(loid)s and hEDCs in a single hair sample. This method will provide important support for population complex exposure analysis and facilitate environmental exposome studies.
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Affiliation(s)
- Mengyuan Ren
- Institute of Reproductive and Child Health, Peking University, Beijing 100191, PR China; Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing 100191, PR China
| | - Xiaoqian Jia
- Institute of Reproductive and Child Health, Peking University, Beijing 100191, PR China; Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing 100191, PR China
| | - Jiazhang Shi
- Department of Occupational and Environmental Health Sciences, School of Public Health, Peking University, Beijing 100191, PR China
| | - Lailai Yan
- Department of Laboratorial Science and Technology, School of Public Health, Peking University, Beijing 100191, PR China
| | - Zewu Li
- Institute of Reproductive and Child Health, Peking University, Beijing 100191, PR China; Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing 100191, PR China
| | - Changxin Lan
- Institute of Reproductive and Child Health, Peking University, Beijing 100191, PR China; Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing 100191, PR China
| | - Junxi Chen
- Institute of Reproductive and Child Health, Peking University, Beijing 100191, PR China; Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing 100191, PR China
| | - Nan Li
- Institute of Reproductive and Child Health, Peking University, Beijing 100191, PR China; Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing 100191, PR China
| | - Kexin Li
- Institute of Geographic Sciences and Natural Resources Research, CAS, Beijing 100101, PR China
| | - Jing Huang
- Department of Occupational and Environmental Health Sciences, School of Public Health, Peking University, Beijing 100191, PR China; Key Laboratory of Molecular Cardiovascular Sciences, Peking University, Ministry of Education, PR China
| | - Shaowei Wu
- Key Laboratory of Molecular Cardiovascular Sciences, Peking University, Ministry of Education, PR China; Department of Occupational and Environmental Health Sciences, School of Public Health, Peking University, Beijing 100191, PR China
| | - Qun Lu
- Reproductive Medical Center, Peking University People's Hospital,Beijing 100044, PR China
| | - Zhiwen Li
- Institute of Reproductive and Child Health, Peking University, Beijing 100191, PR China; Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing 100191, PR China.
| | - Bin Wang
- Institute of Reproductive and Child Health, Peking University, Beijing 100191, PR China; Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing 100191, PR China.
| | - Jianmeng Liu
- Institute of Reproductive and Child Health, Peking University, Beijing 100191, PR China; Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing 100191, PR China
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Ren M, Yan L, Pang Y, Jia X, Huang J, Shen G, Cheng H, Wang X, Pan B, Li Z, Wang B. External interference from ambient air pollution on using hair metal(loid)s for biomarker-based exposure assessment. ENVIRONMENT INTERNATIONAL 2020; 137:105584. [PMID: 32106049 DOI: 10.1016/j.envint.2020.105584] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/22/2019] [Revised: 02/05/2020] [Accepted: 02/14/2020] [Indexed: 06/10/2023]
Abstract
Hair metal(loid)s are often measured as biomarkers to evaluate population internal exposure, however, hair samples could be easily contaminated by ambient particulate matter (PM) pollution. Here, we evaluated the potential external interference from ambient PM pollution on using hair metal(loid)s for population biomarker-based exposure assessment. The raw hair samples were strictly washed and placed under various indoor and outdoor scenarios for ~6 months at sites with high PM pollution. The contaminated hair was then washed using the same method. A total of 33 hair elements were quantified by inductively coupled plasma-mass spectrometry. The surface residual PM on hair after washing was observed by scanning electron microscopy. In addition, we chose a practical exposure scenario including 77 housewives in Shanxi Province, China for validation. The results for the hair exposure experiment revealed that external contamination of some elements that had relatively high concentrations in hair was generally mild in both indoor and outdoor exposure scenarios (i.e., Zn, Mg, Se, Fe, Sr, Ti, Mn, Sn, Ge, U, Co, Mo, and As). A relatively higher external contamination of other elements (e.g., Al, Cr, Pb, Cd, Li, and most rare earth elements (REEs)) was observed, especially for those elements with relatively low hair concentrations (e.g., Cd, and REEs) in the outdoor environment. This finding was due mainly to some small ambient PM not being fully removed by the current washing strategy when the hair sample was heavily contaminated. However, results from practical exposure scenario of the housewives showed that there were overall no significant differences of hair metal(loid)s between the housewives using coal and clean energy for cooking. We concluded that the external interference on hair internal metal(loid) analysis could be negligible when hair was efficiently washed, especially for population with relatively longer indoor activities. It is therefore promising to use hair analysis for their population exposure assessment.
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Affiliation(s)
- Mengyuan Ren
- Institute of Reproductive and Child Health, Peking University/Key Laboratory of Reproductive Health, National Health Commission of the People's Republic of China, Beijing 100191, PR China; Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing 100191, PR China
| | - Lailai Yan
- Department of Laboratorial Science and Technology, School of Public Health, Peking University, Beijing 100191, PR China
| | - Yiming Pang
- Institute of Reproductive and Child Health, Peking University/Key Laboratory of Reproductive Health, National Health Commission of the People's Republic of China, Beijing 100191, PR China; Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing 100191, PR China
| | - Xiaoqian Jia
- Institute of Reproductive and Child Health, Peking University/Key Laboratory of Reproductive Health, National Health Commission of the People's Republic of China, Beijing 100191, PR China; Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing 100191, PR China
| | - Jing Huang
- Department of Occupational and Environmental Health Sciences, School of Public Health, Peking University, Beijing 100191, PR China
| | - Guofeng Shen
- College of Urban and Environmental Sciences, Peking University, 100871, PR China
| | - Hefa Cheng
- Department of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming 650051, PR China
| | - Xilong Wang
- College of Urban and Environmental Sciences, Peking University, 100871, PR China
| | - Bo Pan
- Department of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming 650051, PR China
| | - Zhiwen Li
- Institute of Reproductive and Child Health, Peking University/Key Laboratory of Reproductive Health, National Health Commission of the People's Republic of China, Beijing 100191, PR China; Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing 100191, PR China
| | - Bin Wang
- Institute of Reproductive and Child Health, Peking University/Key Laboratory of Reproductive Health, National Health Commission of the People's Republic of China, Beijing 100191, PR China; Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing 100191, PR China.
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Magnesium-Induced Cell Survival Is Dependent on TRPM7 Expression and Function. Mol Neurobiol 2019; 57:528-538. [PMID: 31392516 PMCID: PMC6968994 DOI: 10.1007/s12035-019-01713-7] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2019] [Accepted: 07/18/2019] [Indexed: 12/17/2022]
Abstract
Mg2+ homeostasis is essential for cell survival and the loss of this regulation has been associated with many neurodegenerative diseases, including loss of dopaminergic neurons. Although the neurotoxin-mediated loss of dopaminergic neurons in Parkinson disease models is extensively studied, the ion channel(s) that regulate Mg2+ homeostasis and thus could prevent neuronal cell death is not yet identified. Here, we show that TRPM7 (transient receptor potential melastatin 7) is involved in regulating Mg2+ homeostasis in dopaminergic cells. Importantly, transient loss of TRPM7 decreased intracellular Mg2+ levels and decreased dopaminergic cells/neurons survival. We provide further evidence that both increases in extracellular Mg2+ or transiently increasing TRPM7 levels protected dopaminergic SH-SY5Y cells against neurotoxin-mediated cell death. Neurotoxin treatment significantly decreased TRPM7 levels in both SH-SY5Y cells and the substantia nigra pars compacta region of mice, along with a decrease in Mg2+ influx. Moreover, Mg2+ supplementation showed a concentration-dependent decrease in caspase-3 activity, an increase in cell survival, restored mitochondrial membrane potential, and increase TRPM7 levels in neurotoxin-treated cells. In contrast, transient silencing of TRPM7 inhibited the positive effect of Mg2+ supplementation in protecting against neurotoxins. Whereas, TRPM7 overexpression not only maintained Mg2+ homeostasis but also inhibited caspase 3 activity that induced cell survival. Overall, these results suggest a significant role of TRPM7 channels in Mg2+ homeostasis and the survival of neurotoxin-induced loss of dopaminergic cells.
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Dos Santos AB, Bezerra MA, Rocha ME, Barreto GE, Kohlmeier KA. Higher zinc concentrations in hair of Parkinson’s disease are associated with psychotic complications and depression. J Neural Transm (Vienna) 2019; 126:1291-1301. [DOI: 10.1007/s00702-019-02041-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2019] [Accepted: 06/29/2019] [Indexed: 12/12/2022]
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Kwiecień M, Samolińska W, Puczkowski S, Waśko M, Blicharski T. Higher Ca and Na content in the hair of obese people in Poland. INT J VITAM NUTR RES 2019; 89:176-184. [PMID: 30987553 DOI: 10.1024/0300-9831/a000557] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
The authors of this paper decided to check whether the content of selected minerals in human hair is projected into the nutritional status of the body expressed as the BMI. The study focused on evaluating the content of calcium, sodium, potassium and magnesium in the hair of 7845 individuals in relation to their BMI. 5126 women and 2719 men aged from 18 to 92, domiciled throughout Poland, were involved in the study. Hair samples were taken from several points of the occipital scalp. Ca, Na, K and Mg in the hair were determined using inductively coupled plasma optical emission spectrometry (ICP-OES). The content of Ca and Na in the hair of obese people (>30.0 kg·m2) was higher (323 mg·kg-1 and 180 mg·kg-1) in comparison with the groups of people with normal body weight and those grade 2 underweight (<16.9 kg·m2): 191 mg·kg-1 and 103 mg·kg-1 respectively. The highest level of K (317 mg·kg-1) was found in the hair of people classed as grade 2 underweight. The body mass index caused no differentiation in the content of Mg in hair. Positive correlations were found between Ca-Na, Ca-Mg and Na-Mg and between the BMI of the subjects and the content of Ca in hair (R = 0.163; p < 0.01) and between the BMI and the content of Na (R = 0.191; p < 0.01). On the other hand, a negative relation between K and the BMI was correlated only to an infinitesimal degree (R = -0.030, p < 0.01). The results point to a relationship between the body mass index and the content of Ca, Na and K in the hair of adults.
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Affiliation(s)
- Małgorzata Kwiecień
- Department of Animal Nutrition, Institute of Animal Nutrition and Bromatology, University of Life Sciences in Lublin, 13 Akademicka Street, 20-950 Lublin, Poland
| | - Wioletta Samolińska
- Department of Bromatology and Food Physiology, Institute of Animal Nutrition and Bromatology, University of Life Sciences in Lublin, 13 Akademicka Street, 20-950 Lublin, Poland
| | - Sławomir Puczkowski
- NZOZ BIOMOL-MED SP. z o.o., Laboratory of Trace Elements, 41 Huta Jagodnica Street, 94-412 Lodz, Poland
| | - Magdalena Waśko
- Department of Animal Nutrition, Institute of Animal Nutrition and Bromatology, University of Life Sciences in Lublin, 13 Akademicka Street, 20-950 Lublin, Poland
| | - T Blicharski
- Orthopaedics and Rehabilitation Clinic, Medical University of Lublin, 4a Chodźki Street, 20-093 Lublin, Poland
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Concentration of Zinc, Copper, Selenium, Manganese, and Cu/Zn Ratio in Hair of Children and Adolescents with Myopia. J Ophthalmol 2019; 2019:5643848. [PMID: 31143472 PMCID: PMC6481019 DOI: 10.1155/2019/5643848] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2018] [Revised: 03/15/2019] [Accepted: 03/20/2019] [Indexed: 01/30/2023] Open
Abstract
The aim of this work was to determine the concentration of trace elements, zinc, copper, selenium, manganese, and Cu/Zn ratio, in scalp hair samples of children and adolescents with myopia. The study included 92 children (mean age 14.5 ± 2.5 years) with myopia and 43 healthy persons (mean age 11.8 ± 4.7 years). Each patient had a complete eye examination. Trace element concentrations in hair were determined by atomic absorption spectrometry. Cu/Zn ratio was also calculated. The zinc level in the hair of myopic patients was significantly higher (260 µg/g) in comparison to the control group (130 µg/g). There was a significantly lower Cu/Zn ratio in myopic patients (0.045) compared with controls (0.07). An insignificant difference was observed in the hair level of copper, selenium, and manganese between patients and controls. The results show that trace elements may play a significant role in the pathogenesis of myopia. Further studies should pay more attention to determine the effect of trace element on children myopia.
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Zhai Q, Cen S, Jiang J, Zhao J, Zhang H, Chen W. Disturbance of trace element and gut microbiota profiles as indicators of autism spectrum disorder: A pilot study of Chinese children. ENVIRONMENTAL RESEARCH 2019; 171:501-509. [PMID: 30743242 DOI: 10.1016/j.envres.2019.01.060] [Citation(s) in RCA: 72] [Impact Index Per Article: 14.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2018] [Revised: 01/04/2019] [Accepted: 01/17/2019] [Indexed: 05/24/2023]
Abstract
Autism spectrum disorder (ASD) is a neuro-developmental disorder that is characterized by impairments of reciprocal social interaction and restricted stereotyped repetitive behavior. The goal of the present study was to investigate the trace element and gut microbiota profiles of Chinese autistic children and screen out potential metallic or microbial indicators of the disease. One hundred and thirty-six children (78 with ASD and 58 healthy controls) aged from 3 to 7 years were enrolled. The levels of lead, cadmium, arsenic, copper, zinc, iron, mercury, calcium and magnesium in hair samples from the children were analyzed. Fecal samples were also collected and the children's gut microbiota profiles were characterized by 16s rRNA sequencing. Concentrations of lead, arsenic, copper, zinc, mercury, calcium and magnesium were significantly higher in the ASD group than in the control group. Linear discriminant analysis effect size analysis indicated that the relative abundance of nine genera was increased in the autistic children. Redundancy analysis showed that arsenic and mercury were significantly associated with Parabacteroides and Oscillospira in the gut. A random forest model was trained with high accuracy (84.00%) and the metallic and microbial biomarkers of ASD were established. Our results indicate significant alterations in the trace element and gut microbiota profiles of Chinese children with ASD and reveal the potential pathogenesis of this disease in terms of metal metabolism and gut microecology.
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Affiliation(s)
- Qixiao Zhai
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, PR China; School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, PR China; International Joint Research Laboratory for Probiotics at Jiangnan University, Wuxi, Jiangsu 214122, PRChina
| | - Shi Cen
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, PR China; School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, PR China
| | - Jinchi Jiang
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, PR China; School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, PR China
| | - Jianxin Zhao
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, PR China; School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, PR China; (Yangzhou) Institute of Food Biotechnology, Jiangnan University, Yangzhou 225004, PR China
| | - Hao Zhang
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, PR China; School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, PR China; National Engineering Research Center for Functional Food, Jiangnan University, Wuxi, Jiangsu 214122, PR China; (Yangzhou) Institute of Food Biotechnology, Jiangnan University, Yangzhou 225004, PR China
| | - Wei Chen
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, PR China; School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, PR China; National Engineering Research Center for Functional Food, Jiangnan University, Wuxi, Jiangsu 214122, PR China; Beijing Innovation Centre of Food Nutrition and Human Health, Beijing Technology and Business University (BTBU), Beijing 100048, PR China.
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Alqhazo M, Rashaid AB. The concentrations of bioelements in the hair samples of Jordanian children who stutter. Int J Pediatr Otorhinolaryngol 2018; 112:158-162. [PMID: 30055725 DOI: 10.1016/j.ijporl.2018.06.045] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/29/2018] [Revised: 06/28/2018] [Accepted: 06/29/2018] [Indexed: 10/28/2022]
Abstract
OBJECTIVES This study investigates the levels of 15 bioelements (calcium, copper, chromium, sodium, iron, magnesium, manganese, zinc, cobalt, selenium, molybdenum, vanadium, potassium, boron, and lithium) in the hair species of Jordanian stutterer. METHODS The subjects of the study included 25 cases of stuttering, and 25 normal children (age and sex matched). The severity of stuttering (low, moderate, and severe) were assessed using Stuttering Severity Instrument, Fourth edition (SSI-4). Hair samples of subjects were cut, washed, dried, physically degraded, hydrolyzed, and analyzed by Inductively Coupled Plasma Mass Spectrometry (ICP-MS). RESULTS Results indicated that the levels of bioelements (Calcium, Copper, Chromium, Magnesium, Manganese, Cobalt, Selenium, Molybdenum, Vanadium, Boron, and Lithium) were significantly lesser in the hair samples of stuttering group than the control group. CONCLUSION The findings of the current study could support the use of biochemical analyses as diagnostic biomarker for stuttering.
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Affiliation(s)
- Mazin Alqhazo
- Department of Rehabilitation Sciences, Jordan University of Science and Technology, Irbid, Jordan.
| | - Ayat Bani Rashaid
- Department of Chemistry, Jordan University of Science and Technology, Irbid, Jordan.
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Kirkland AE, Sarlo GL, Holton KF. The Role of Magnesium in Neurological Disorders. Nutrients 2018; 10:E730. [PMID: 29882776 PMCID: PMC6024559 DOI: 10.3390/nu10060730] [Citation(s) in RCA: 137] [Impact Index Per Article: 22.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2018] [Revised: 05/30/2018] [Accepted: 06/04/2018] [Indexed: 12/14/2022] Open
Abstract
Magnesium is well known for its diverse actions within the human body. From a neurological standpoint, magnesium plays an essential role in nerve transmission and neuromuscular conduction. It also functions in a protective role against excessive excitation that can lead to neuronal cell death (excitotoxicity), and has been implicated in multiple neurological disorders. Due to these important functions within the nervous system, magnesium is a mineral of intense interest for the potential prevention and treatment of neurological disorders. Current literature is reviewed for migraine, chronic pain, epilepsy, Alzheimer’s, Parkinson’s, and stroke, as well as the commonly comorbid conditions of anxiety and depression. Previous reviews and meta-analyses are used to set the scene for magnesium research across neurological conditions, while current research is reviewed in greater detail to update the literature and demonstrate the progress (or lack thereof) in the field. There is strong data to suggest a role for magnesium in migraine and depression, and emerging data to suggest a protective effect of magnesium for chronic pain, anxiety, and stroke. More research is needed on magnesium as an adjunct treatment in epilepsy, and to further clarify its role in Alzheimer’s and Parkinson’s. Overall, the mechanistic attributes of magnesium in neurological diseases connote the macromineral as a potential target for neurological disease prevention and treatment.
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Affiliation(s)
- Anna E Kirkland
- Department of Psychology, Behavior, Cognition and Neuroscience Program, American University, Washington, DC 20016, USA.
| | - Gabrielle L Sarlo
- Department of Psychology, Behavior, Cognition and Neuroscience Program, American University, Washington, DC 20016, USA.
| | - Kathleen F Holton
- Department of Health Studies, American University, Washington, DC 20016, USA.
- Center for Behavioral Neuroscience, American University, Washington, DC 20016, USA.
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Dos Santos AB, Kohlmeier KA, Rocha ME, Barreto GE, Barreto JA, de Souza ACA, Bezerra MA. Hair in Parkinson's disease patients exhibits differences in Calcium, Iron and Zinc concentrations measured by flame atomic absorption spectrometry - FAAS. J Trace Elem Med Biol 2018; 47:134-139. [PMID: 29544800 DOI: 10.1016/j.jtemb.2018.02.003] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/29/2017] [Revised: 01/29/2018] [Accepted: 02/03/2018] [Indexed: 10/18/2022]
Abstract
Imbalances in metals have emerged as playing a role in the pathophysiology of Parkinson's Disease (PD). Monitoring of metal levels could serve as a biomarker of presence, or future development, of this disease. To this end, we evaluated the ability of flame atomic absorption spectrometry (FAAS) to assess the concentrations of Ca, Fe and Zn in hair of PD patients and to investigate if there was an association with age and disease duration. Hair samples were collected from 26 clinically-diagnosed PD patients, and 33 healthy individuals. Concentrations of Ca and Fe were lower in PD patients when compared to control, whereas, a higher concentration of Zn was detected in PD patients. Levels of Ca and Fe did not vary with age nor with the duration of PD. While Zn did not present variation with duration of the disease, there was a correlation with age as PD patients older than 65 years exhibited a higher concentration of Zn than controls. We conclude that FAAS is useful for detecting differences in Fe, Ca and Zn in hair samples of patients with PD. Hair samples required for this method are easy to collect, and the technique relies on a simple method of digestion of the organic matrix. The ease of use of FAAS should allow for more frequent monitoring of metallic levels in patients in a variety of small clinical situations, thereby offering the hope of allowing systematic tracking of metal levels as the disease progresses, or prior to the defining motor symptoms.
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Affiliation(s)
- Altair B Dos Santos
- Departamento de Ciências e Tecnologias, Universidade Estadual do Sudoeste da Bahia, Brazil; Department of Drug Design and Pharmacology, University of Copenhagen, Denmark
| | - Kristi A Kohlmeier
- Department of Drug Design and Pharmacology, University of Copenhagen, Denmark
| | - Marcelo E Rocha
- Departamento de Ciências e Tecnologias, Universidade Estadual do Sudoeste da Bahia, Brazil
| | - George E Barreto
- Departamento de Nutrición y Bioquímica, Facultad de Ciencias, Pontificia Universidad Javeriana, Bogotá D.C., Colombia; Instituto de Ciencias Biomédicas, Universidad Autónoma de Chile, Santiago, Chile
| | - Jeferson A Barreto
- Departamento de Ciências e Tecnologias, Universidade Estadual do Sudoeste da Bahia, Brazil
| | | | - Marcos A Bezerra
- Departamento de Ciências e Tecnologias, Universidade Estadual do Sudoeste da Bahia, Brazil.
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Oggiano R, Solinas G, Forte G, Bocca B, Farace C, Pisano A, Sotgiu MA, Clemente S, Malaguarnera M, Fois AG, Pirina P, Montella A, Madeddu R. Trace elements in ALS patients and their relationships with clinical severity. CHEMOSPHERE 2018; 197:457-466. [PMID: 29366958 DOI: 10.1016/j.chemosphere.2018.01.076] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/07/2017] [Revised: 01/06/2018] [Accepted: 01/15/2018] [Indexed: 06/07/2023]
Abstract
An exploratory study of trace elements in ALS and their relationships with clinical severity was detected. Amyotrophic lateral sclerosis (ALS) is a neurodegenerative disorder that causes irreversible damage in humans, with the consequent loss of function of motoneurons (MNs), with a prognosis up to 5 years after diagnosis. Except to genetic rare cases it is not known the etiology of the disorder. Aim of our research is to investigate the possible role of heavy metals in the severity of the disease. In this study, by the use of plasma mass (ICP-MS), we have analyzed the content of essential and heavy metals such: Pb, Cd, Al, Hg, Mn, Fe, Cu, Zn, Se, Mg, and Ca, in blood, urine and hair of ALS patients and controls; moreover we divided the patients in two groups for disease severity and analyzed the difference among the groups, in order to study a possible involvement of metals in the severity of the damage. Our results suggest a protective role of Selenium, involved in protective antioxidant mechanisms, and a risk factor in the case of presence of Lead in blood. The levels of the other metals are not easy to interpret, because these may be due to life style and for essential metals a consequence of the disease condition, not a cause.
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Affiliation(s)
- Riccardo Oggiano
- Department of Biomedical Sciences - Histology, University of Sassari, Sassari, Italy
| | - Giuliana Solinas
- Department of Biomedical Sciences - Hygiene, University of Sassari, Sassari, Italy
| | - Giovanni Forte
- Department of Environment and Health, Istituto Superiore di Sanità, Rome, Italy
| | - Beatrice Bocca
- Department of Environment and Health, Istituto Superiore di Sanità, Rome, Italy
| | - Cristiano Farace
- Department of Biomedical Sciences - Histology, University of Sassari, Sassari, Italy
| | - Andrea Pisano
- Department of Biomedical Sciences - Histology, University of Sassari, Sassari, Italy
| | | | | | - Michele Malaguarnera
- Department of Medical and Pediatric Science, Research Centre "The Great Senescence", University of Catania, Catania, Italy
| | - Alessandro Giuseppe Fois
- Department of Clinical and Experimental Medicine - Institute of Respiratory Diseases, University of Sassari, Sassari, Italy
| | - Pietro Pirina
- Department of Clinical and Experimental Medicine - Institute of Respiratory Diseases, University of Sassari, Sassari, Italy
| | - Andrea Montella
- Department of Biomedical Sciences- Human Anatomy, University of Sassari, Sassari, Italy
| | - Roberto Madeddu
- Department of Biomedical Sciences - Histology, University of Sassari, Sassari, Italy; National Institute of Biostructures and Biosystems, Rome, Italy.
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17
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Stanimirovic B, Vujovic D, Pejin B, Popovic Djordjevic J, Maletic R, Raicevic P, Tesic Z. A contribution to the elemental profile of the leaf samples of newly developed Cabernet Franc varieties. Nat Prod Res 2018; 33:1209-1213. [PMID: 29600716 DOI: 10.1080/14786419.2018.1457671] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
The elemental profile of the leaf samples of three Cabernet Franc clone candidates recently developed in Serbia (Nos. 02, 010 and 012) obtained in the last phase of clonal selection was examined within this study by ICP-OES. Optimal content of Al, Fe, Cu and Zn, the metals well known for their links with a number of neurodegenerative disorders including Alzheimer's disease, has actually highlighted the potential of the leaf sample No. 10 to afford a novel food supplement of natural origin possessing well balanced metal ingredients. Furthermore, lower content of some other elements (Cr, Mn, Ni and Pb) thoroughly supports such a claiming. Finally, the most favourable K/Na ratio observed for the aforementioned sample points out its likely cardioprotectivity. However, two other Cabernet Franc clone candidates might also be recommended for breeding in the same or similar viticultural conditions, since all obtained values were below toxic ones for human consumption.
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Affiliation(s)
- Bojana Stanimirovic
- a University of Belgrade , Faculty of Chemistry , Belgrade , Serbia.,b Institute MOL Ltd. , Stara Pazova , Serbia
| | - Dragan Vujovic
- c University of Belgrade , Faculty of Agriculture , Belgrade - Zemun , Serbia
| | - Boris Pejin
- d Department of Life Sciences , University of Belgrade, Institute for Multidisciplinary Research - IMSI , Belgrade , Serbia
| | | | - Radojka Maletic
- c University of Belgrade , Faculty of Agriculture , Belgrade - Zemun , Serbia
| | - Petar Raicevic
- c University of Belgrade , Faculty of Agriculture , Belgrade - Zemun , Serbia
| | - Zivoslav Tesic
- a University of Belgrade , Faculty of Chemistry , Belgrade , Serbia
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18
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Forte G, Bocca B, Oggiano R, Clemente S, Asara Y, Sotgiu MA, Farace C, Montella A, Fois AG, Malaguarnera M, Pirina P, Madeddu R. Essential trace elements in amyotrophic lateral sclerosis (ALS): Results in a population of a risk area of Italy. Neurol Sci 2017; 38:1609-1615. [DOI: 10.1007/s10072-017-3018-2] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2017] [Accepted: 06/02/2017] [Indexed: 12/12/2022]
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19
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Mineral status in canine medial coronoid process disease: a cohort study using analysis of hair by mass spectrometry. Vet Rec 2017; 180:448. [DOI: 10.1136/vr.103953] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/23/2017] [Indexed: 11/03/2022]
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20
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Costa-Mallen P, Gatenby C, Friend S, Maravilla KR, Hu SC, Cain KC, Agarwal P, Anzai Y. Brain iron concentrations in regions of interest and relation with serum iron levels in Parkinson disease. J Neurol Sci 2017; 378:38-44. [PMID: 28566175 DOI: 10.1016/j.jns.2017.04.035] [Citation(s) in RCA: 49] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2016] [Revised: 03/27/2017] [Accepted: 04/21/2017] [Indexed: 11/25/2022]
Abstract
Brain iron has been previously found elevated in the substantia nigra pars compacta (SNpc), but not in other brain regions, of Parkinson's disease (PD) patients. However, iron in circulation has been recently observed to be lower than normal in PD patients. The regional selectivity of iron deposition in brain as well as the relationship between SNpc brain iron and serum iron within PD patients has not been completely elucidated. In this pilot study we measured brain iron in six regions of interest (ROIs) as well as serum iron and serum ferritin, in 24 PD patients and 27 age- gender-matched controls. Brain iron was measured on magnetic resonance imaging (MRI) with a T2 prime (T2') method. Difference in brain iron deposition between PD cases and controls for the six ROIs were calculated. SNpc/white matter brain iron ratios and SNpc/serum iron ratios were calculated for each study participant, and differences between PD patients and controls were tested. PD patients overall had higher brain iron than controls in the SNpc. PD patients had significantly higher SNpc/white matter brain iron ratios than controls, and significantly higher brain SNpc iron/serum iron ratios than controls. These results indicate that PD patients' iron metabolism is disrupted toward a higher partitioning of iron to the brain SNpc at the expenses of iron in the circulation.
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Affiliation(s)
| | - Christopher Gatenby
- University of Washington, Department of Radiology, Seattle, WA 98195, United States
| | - Sally Friend
- University of Washington, Department of Radiology, Seattle, WA 98195, United States
| | - Kenneth R Maravilla
- University of Washington, Department of Radiology, Seattle, WA 98195, United States
| | - Shu-Ching Hu
- University of Washington, Department of Neurology, Seattle, WA 98104, United States
| | - Kevin C Cain
- University of Washington, Department of Biostatistics, Seattle, WA 98195, United States
| | - Pinky Agarwal
- Booth Gardner Parkinson's Care Center, Evergreen Health, Kirkland, WA 98034, United States
| | - Yoshimi Anzai
- University of Utah School of Medicine, Clinical Radiology, Salt Lake City, UT 84132, United States
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CARDOZO MANUELLEC, CAVALCANTE DANNUZAD, SILVA DANIELL, SANTOS WALTERNDOS, BEZERRA MARCOSA. Multivariate optimization of a method for antimony determination by hydride generation atomic fluorescence spectrometry in hair samples of patients undergoing chemotherapy against Leishmaniasis. ACTA ACUST UNITED AC 2016; 88:1179-90. [DOI: 10.1590/0001-3765201620150250] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2015] [Accepted: 09/03/2015] [Indexed: 11/22/2022]
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22
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Coherent and Contradictory Facts, Feats and Fictions Associated with Metal Accumulation in Parkinson's Disease: Epicenter or Outcome, Yet a Demigod Question. Mol Neurobiol 2016; 54:4738-4755. [PMID: 27480264 DOI: 10.1007/s12035-016-0016-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2016] [Accepted: 07/12/2016] [Indexed: 01/30/2023]
Abstract
Unwarranted exposure due to liberal use of metals for maintaining the lavish life and to achieve the food demand for escalating population along with an incredible boost in the average human life span owing to orchestrated progress in rejuvenation therapy have gradually increased the occurrence of Parkinson's disease (PD). Etiology is albeit elusive; association of PD with metal accumulation has never been overlooked due to noteworthy similitude between metal-exposure symptoms and a few cardinal features of disease. Even though metals are entailed in the vital functions, a hysterical shift, primarily augmentation, escorts the stern nigrostriatal dopaminergic neurodegeneration. An increase in the passage of metals through the blood brain barrier and impaired metabolic activity and elimination system could lead to metal accumulation in the brain, which eventually makes dopaminergic neurons quite susceptible. In the present article, an update on implication of metal accumulation in PD/Parkinsonism has been provided. Moreover, encouraging and paradoxical facts and fictions associated with metal accumulation in PD/Parkinsonism have also been compiled. Systematic literature survey of PD is performed to describe updated information if metal accumulation is an epicenter or merely an outcome. Finally, a perspective on the association of metal accumulation with pesticide-induced Parkinsonism has been explained to unveil the likely impact of the former in the latter.
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Shindo Y, Yamanaka R, Suzuki K, Hotta K, Oka K. Altered expression of Mg(2+) transport proteins during Parkinson's disease-like dopaminergic cell degeneration in PC12 cells. BIOCHIMICA ET BIOPHYSICA ACTA-MOLECULAR CELL RESEARCH 2016; 1863:1979-84. [PMID: 27157538 DOI: 10.1016/j.bbamcr.2016.05.003] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 02/08/2016] [Revised: 03/24/2016] [Accepted: 05/03/2016] [Indexed: 01/22/2023]
Abstract
Mg(2+) is an essential cation to maintain cellular functions, and intracellular Mg(2+) concentration ([Mg(2+)]i) is regulated by Mg(2+) channels and transporters. In our previous study, we demonstrated that MPP(+) elicits Mg(2+) influx across the cell membrane and Mg(2+) mobilization from mitochondria, and the resulting [Mg(2+)]i is an important determinants of the cell viability in MPP(+) model of Parkinson's disease (PD). It indicates that cellular Mg(2+) transport is one of the important factors to determine the progress of PD. However, whether the expression levels of Mg(2+) transport proteins change in the progress of PD has still been obscure. In this study, we estimated the mRNA expression levels of Mg(2+) transport proteins upon the exposure to MPP(+). In thirteen Mg(2+) transport proteins examined, mRNA expression level of SLC41A2 was increased and that of ACDP2, NIPA1 and MMgT2 were decreased. Knockdown of SLC41A2, ACDP2 or NIPA1 accelerated the MPP(+)-induced cell degeneration, and overexpression attenuated it. The decrease in the mRNA expression levels of NIPA1 and MMgT2 were also elicited by rotenone, H2O2 and FCCP, indicating that mitochondrial dysfunction related to this down-regulation. The increase in that of SLC41A2 was induced by an uncoupler, FCCP, as well as MPP(+), suggesting that it is an intrinsic protection mechanism against depolarized mitochondrial membrane potential and/or cellular ATP depletion. Our results shown here indicate that alteration of Mg(2+) transport proteins is implicated in the MPP(+) model of PD, and it affects cell degeneration.
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Affiliation(s)
- Yutaka Shindo
- Department of Bioscience and Informatics, Faculty of Science and Technology, Keio University, 3-14-1 Hiyoshi, Kohoku-ku, Yokohama, Kanagawa 223-8522, Japan
| | - Ryu Yamanaka
- Department of Bioscience and Informatics, Faculty of Science and Technology, Keio University, 3-14-1 Hiyoshi, Kohoku-ku, Yokohama, Kanagawa 223-8522, Japan
| | - Koji Suzuki
- Department of Applied Chemistry, Faculty of Science and Technology, Keio University, 3-14-1 Hiyoshi, Kohoku-ku, Yokohama, Kanagawa 223-8522, Japan
| | - Kohji Hotta
- Department of Bioscience and Informatics, Faculty of Science and Technology, Keio University, 3-14-1 Hiyoshi, Kohoku-ku, Yokohama, Kanagawa 223-8522, Japan
| | - Kotaro Oka
- Department of Bioscience and Informatics, Faculty of Science and Technology, Keio University, 3-14-1 Hiyoshi, Kohoku-ku, Yokohama, Kanagawa 223-8522, Japan.
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Level of neurotoxic metals in amyotrophic lateral sclerosis: A population-based case–control study. J Neurol Sci 2015; 359:11-7. [DOI: 10.1016/j.jns.2015.10.023] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2015] [Revised: 09/18/2015] [Accepted: 10/12/2015] [Indexed: 12/13/2022]
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Mikulewicz M, Kachniarz K, Chojnacka K. Exposure of Cleft Lip and Palate Patients to Toxic Elements Released during Orthodontic Treatment in the Study of Non-Invasive Matrices. PLoS One 2015; 10:e0140211. [PMID: 26544176 PMCID: PMC4636263 DOI: 10.1371/journal.pone.0140211] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2015] [Accepted: 09/23/2015] [Indexed: 12/27/2022] Open
Abstract
THE OBJECTIVE The aim of the study was evaluation of metal ions (nickel and chromium) released from orthodontic appliances in cleft lip and palate patients and the usefulness of non-invasive matrices (saliva and hair). MATERIALS AND METHODS The material studied consisted of 100 individuals, including 59 females and 41 males of 5 to 16 years of age, which were divided into 3 groups: experimental-patients with cleft lip and palate (36 individuals, the average treatment time 5.74 years); control group-patients without cleft lip and palate, during orthodontic treatment (32 individuals, the average treatment time 1.78 years) and the control group patients without cleft lip and palate, without any orthodontic appliances (32 individuals). Samples (saliva, hair) were collected and subjects underwent a survey by questionnaire. Multi-elemental analyses of the composition of non-invasive matrices was conducted in an accredited laboratory by inductively coupled plasma spectrometry technique ICP-OES. The results were reported as mean contents of particular elements (Cd, Cr, Cu, Fe, Mn, Mo, Ni, Si) in hair and in saliva. RESULTS The concentration of Cr, Ni, Fe and Cu ions in saliva of cleft lip and palate patients were several times higher as compared with not treated orthodontically control groups and higher than in the group with orthodontic appliances. Among the assessed matrices, hair of cleft lip and palate patients seem to be not a meaningful biomarker. CONCLUSION It was found that orthodontic appliances used in long-term treatment of cleft lip and palate patients do not release toxic levels of Cr and Ni ions.
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Affiliation(s)
- Marcin Mikulewicz
- Department of Dentofacial Orthopaedics and Orthodontics, Division of Facial Abnormalities, Medical University of Wrocław, Wrocław, Poland
- * E-mail:
| | - Krzysztof Kachniarz
- Department of Dentofacial Orthopaedics and Orthodontics, Division of Facial Abnormalities, Medical University of Wrocław, Wrocław, Poland
| | - Katarzyna Chojnacka
- Department of Advanced Material Technologies, Faculty of Chemistry, Wrocław University of Technology, Wrocław, Poland
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Genotoxicity of Superparamagnetic Iron Oxide Nanoparticles in Granulosa Cells. Int J Mol Sci 2015; 16:26280-90. [PMID: 26540051 PMCID: PMC4661819 DOI: 10.3390/ijms161125960] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2015] [Revised: 10/13/2015] [Accepted: 10/15/2015] [Indexed: 12/27/2022] Open
Abstract
Nanoparticles that are aimed at targeting cancer cells, but sparing healthy tissue provide an attractive platform of implementation for hyperthermia or as carriers of chemotherapeutics. According to the literature, diverse effects of nanoparticles relating to mammalian reproductive tissue are described. To address the impact of nanoparticles on cyto- and genotoxicity concerning the reproductive system, we examined the effect of superparamagnetic iron oxide nanoparticles (SPIONs) on granulosa cells, which are very important for ovarian function and female fertility. Human granulosa cells (HLG-5) were treated with SPIONs, either coated with lauric acid (SEONLA) only, or additionally with a protein corona of bovine serum albumin (BSA; SEONLA-BSA), or with dextran (SEONDEX). Both micronuclei testing and the detection of γH2A.X revealed no genotoxic effects of SEONLA-BSA, SEONDEX or SEONLA. Thus, it was demonstrated that different coatings of SPIONs improve biocompatibility, especially in terms of genotoxicity towards cells of the reproductive system.
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Shindo Y, Yamanaka R, Suzuki K, Hotta K, Oka K. Intracellular magnesium level determines cell viability in the MPP(+) model of Parkinson's disease. BIOCHIMICA ET BIOPHYSICA ACTA-MOLECULAR CELL RESEARCH 2015; 1853:3182-91. [PMID: 26319097 DOI: 10.1016/j.bbamcr.2015.08.013] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 04/20/2015] [Revised: 07/24/2015] [Accepted: 08/22/2015] [Indexed: 12/14/2022]
Abstract
Parkinson's disease (PD) is a neurodegenerative disorder resulting from mitochondrial dysfunction in dopaminergic neurons. Mitochondria are believed to be responsible for cellular Mg²⁺ homeostasis. Mg²⁺ is indispensable for maintaining ordinal cellular functions, hence perturbation of the cellular Mg²⁺ homeostasis may be responsible for the disorders of physiological functions and diseases including PD. However, the changes in intracellular Mg²⁺ concentration ([Mg²⁺]i) and the role of Mg²⁺ in PD have still been obscure. In this study, we investigated [Mg²⁺]i and its effect on neurodegeneration in the 1-methyl-4-phenylpyridinium (MPP⁺) model of PD in differentiated PC12 cells. Application of MPP⁺ induced an increase in [Mg²⁺]i immediately via two different pathways: Mg²⁺ release from mitochondria and Mg²⁺ influx across cell membrane, and the increased [Mg²⁺]i sustained for more than 16 h after MPP⁺ application. Suppression of Mg²⁺ influx decreased the viability of the cells exposed to MPP⁺. The cell viability correlated highly with [Mg²⁺]i. In the PC12 cells with suppressed Mg²⁺ influx, ATP concentration decreased and the amount of reactive oxygen species (ROS) increased after an 8h exposure to MPP⁺. Our results indicate that the increase in [Mg²⁺]i inhibited cellular ROS generation and maintained ATP production, which resulted in the protection from MPP⁺ toxicity.
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Affiliation(s)
- Yutaka Shindo
- Department of Bioscience and Informatics, Faculty of Science and Technology, Keio University, 3-14-1 Hiyoshi, Kohoku-ku, Yokohama, Kanagawa 223-8522, Japan
| | - Ryu Yamanaka
- Department of Bioscience and Informatics, Faculty of Science and Technology, Keio University, 3-14-1 Hiyoshi, Kohoku-ku, Yokohama, Kanagawa 223-8522, Japan
| | - Koji Suzuki
- Department of Applied Chemistry, Faculty of Science and Technology, Keio University, 3-14-1 Hiyoshi, Kohoku-ku, Yokohama, Kanagawa 223-8522, Japan
| | - Kohji Hotta
- Department of Bioscience and Informatics, Faculty of Science and Technology, Keio University, 3-14-1 Hiyoshi, Kohoku-ku, Yokohama, Kanagawa 223-8522, Japan
| | - Kotaro Oka
- Department of Bioscience and Informatics, Faculty of Science and Technology, Keio University, 3-14-1 Hiyoshi, Kohoku-ku, Yokohama, Kanagawa 223-8522, Japan.
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Ciubotariu D, Ghiciuc CM, Lupușoru CE. Zinc involvement in opioid addiction and analgesia--should zinc supplementation be recommended for opioid-treated persons? Subst Abuse Treat Prev Policy 2015; 10:29. [PMID: 26238243 PMCID: PMC4523930 DOI: 10.1186/s13011-015-0025-2] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2015] [Accepted: 07/16/2015] [Indexed: 02/07/2023] Open
Abstract
INTRODUCTION Zinc chelators were shown to facilitate some opioid-withdrawal signs in animals. Zinc deficiency, which affects more than 15% the world's population, is also common among opioid consumers and opioid-treated animals exhibit misbalances of zinc distribution. AIM The present study focuses on how zinc ions interfere with opioid dependence/addiction and analgesia, trying to preliminary discuss if zinc supplementation in opioid-users should be recommended in order to reduce the risk of addiction. METHODS All relevant literature was searched up to April 2015. The search was performed using the term "zinc" plus combinations of following terms: "opioid receptors", "opioid" or representatives of this class, "addiction", "dependence", "analgesia", and "pain". Human, animal, in vitro studies and reviews were including. RESULTS Both human and animal studies revealed decreased serum zinc under opioid-administration conditions, attributed mainly to increased urinary elimination (humans) or redistribution (animals). Moreover, animal studies revealed decreased brain zinc levels in morphine-treated animals, with increased zinc hepatic levels, but also an enhancement of endogenous opioid system activity and a possible reduction of morphine withdrawal by zinc. In vitro studies revealed reduction of opioid ligands binding to receptors by zinc. However, the very few in vivo animal studies on opioid analgesia revealed controversial results, as zinc demonstrated clear analgesic effect, but zinc associated to opioids doesn't result in a potentiation of the analgesic effect. CONCLUSION Zinc dietary supplementation in patients treated with opioids for cancer-related chronic pain should be considered, due to the high incidence of zinc deficiency, also well-documented in opioid consumers. The low toxicity of orally-administered zinc also pleads for this idea. The main contra-argument to zinc administration in opioid-treated persons is related to the way zinc influences opioid-induced analgesia.
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Affiliation(s)
- Diana Ciubotariu
- Pharmacology Department, University of Medicine and Pharmacy "Gr. T. Popa" Iași, Iași, Romania.
| | | | - Cătălina Elena Lupușoru
- Pharmacology Department, University of Medicine and Pharmacy "Gr. T. Popa" Iași, Iași, Romania.
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Costa-Mallen P, Zabetian CP, Agarwal P, Hu SC, Yearout D, Samii A, Leverenz JB, Roberts JW, Checkoway H. Haptoglobin phenotype modifies serum iron levels and the effect of smoking on Parkinson disease risk. Parkinsonism Relat Disord 2015; 21:1087-92. [PMID: 26228081 DOI: 10.1016/j.parkreldis.2015.07.006] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/31/2015] [Revised: 06/05/2015] [Accepted: 07/07/2015] [Indexed: 12/31/2022]
Abstract
INTRODUCTION Haptoglobin is a hemoglobin-binding protein that exists in three functionally different phenotypes, and haptoglobin phenotype 2-1 has previously been associated with Parkinson disease (PD) risk, with mechanisms not elucidated. Some evidence is emerging that low levels of serum iron may increase PD risk. In this study we investigated whether PD patients have lower serum iron and ferritin than controls, and whether this is dependent on haptoglobin phenotype. We also investigated the effect of Hp phenotype as a modifier of the effect of smoking on PD risk. METHODS The study population consisted of 128 PD patients and 226 controls. Serum iron, ferritin, and haptoglobin phenotype were determined, and compared between PD cases and controls. Stratified analysis by haptoglobin phenotype was performed to determine effect of haptoglobin phenotype on serum iron parameter differences between PD cases and controls and to investigate its role in the protective effect of smoking on PD risk. RESULTS PD cases had lower serum iron than controls (83.28 ug/100 ml vs 94.00 ug/100 ml, p 0.006), and in particular among subjects with phenotype 2-1. The protective effect of smoking on PD risk resulted stronger in subjects with phenotype 1-1 and 2-2, and weakest among subjects with phenotype 2-1. Ferritin levels were higher in PD cases than controls among subjects of White ethnicity. CONCLUSIONS Our results report for the first time that the haptoglobin phenotype may be a contributor of iron levels abnormalities in PD patients. The mechanisms for these haptoglobin-phenotype specific effects will have to be further elucidated.
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Affiliation(s)
| | - Cyrus P Zabetian
- Veterans Affairs Puget Sound Health Care System, Seattle, WA, USA; Department of Neurology, University of Washington School of Medicine, Seattle, WA, USA
| | - Pinky Agarwal
- Booth Gardner Parkinson's Care Center, Evergreen Health, Kirkland, WA, USA
| | - Shu-Ching Hu
- Department of Neurology, University of Washington School of Medicine, Seattle, WA, USA
| | - Dora Yearout
- Veterans Affairs Puget Sound Health Care System, Seattle, WA, USA
| | - Ali Samii
- Veterans Affairs Puget Sound Health Care System, Seattle, WA, USA; Department of Neurology, University of Washington School of Medicine, Seattle, WA, USA
| | - James B Leverenz
- Lou Ruvo Center for Brain Health, Neurological Institute, Cleveland Clinic, Cleveland, OH, USA
| | | | - Harvey Checkoway
- University of California San Diego, Department of Family & Preventive Medicine, La Jolla, USA
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Tamburo E, Varrica D, Dongarrà G, Grimaldi LME. Trace elements in scalp hair samples from patients with relapsing-remitting multiple sclerosis. PLoS One 2015; 10:e0122142. [PMID: 25856388 PMCID: PMC4391939 DOI: 10.1371/journal.pone.0122142] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2014] [Accepted: 01/26/2015] [Indexed: 11/19/2022] Open
Abstract
Background Epidemiological studies have suggested a possible role of trace elements (TE) in the etiology of several neurological diseases including Multiple Sclerosis (MS). Hair analysis provides an easy tool to quantify TE in human subjects, including patients with neurodegenerative diseases. Objective To compare TE levels in scalp hair from patients with MS and healthy controls from the same geographic area (Sicily). Methods ICP-MS was used to determine the concentrations of 21 elements (Ag, Al, As, Ba, Cd, Co, Cr, Cu, Fe, Li, Mn, Mo, Ni, Pb, Rb, Sb, Se, Sr, U, V and Zn) in scalp hair of 48 patients with relapsing–remitting Multiple Sclerosis compared with 51 healthy controls. Results MS patients showed a significantly lower hair concentration of aluminum and rubidium (median values: Al = 3.76 μg/g vs. 4.49 μg/g and Rb = 0.007 μg/g vs. 0.01 μg/g;) and higher hair concentration of U (median values U: 0.014 μg/g vs. 0.007 μg/g) compared to healthy controls. The percentages of MS patients showing hair elemental concentrations greater than the 95th percentile of controls were 20% for Ni, 19% for Ba and U, and 15% for Ag, Mo and Se. Conversely, the percentages of MS patients showing hair elemental concentrations lower than the 5th percentile of healthy controls were 27% for Al, 25% for Rb, 22% for Ag, 19% for Fe, and 16% for Pb. No significant association was found between levels of each TE and age, disease duration or Expanded Disability Status Scale (EDSS) score. After stratification by gender, healthy subjects did not show any significant difference in trace element levels, while MS patients showed significant differences (p<0.01) for the concentrations of Ag, Cr, Fe, Ni and Sr. No significant differences were also found, at p<0.01, in relation to the use of cigarettes, consume of water, vegetables and place of living. Conclusion The different distributions of TE in hair of MS patients compared to controls provides an additional indirect evidence of metabolic imbalance of chemical elements in the pathogenesis of this disease. The increase in U and decrease in Al and Rb levels in MS compared to controls require further assessments as well as the observed different distributions of other elements.
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Affiliation(s)
- Elisa Tamburo
- Dipartimento Scienze della Terra e del Mare (DiSTeM), University of Palermo, Palermo, Sicily, Italy
- * E-mail:
| | - Daniela Varrica
- Dipartimento Scienze della Terra e del Mare (DiSTeM), University of Palermo, Palermo, Sicily, Italy
| | - Gaetano Dongarrà
- Dipartimento Scienze della Terra e del Mare (DiSTeM), University of Palermo, Palermo, Sicily, Italy
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Golasik M, Przybyłowicz A, Woźniak A, Herman M, Gawęcki W, Golusiński W, Walas S, Krejpcio Z, Szyfter K, Florek E, Piekoszewski W. Essential metals profile of the hair and nails of patients with laryngeal cancer. J Trace Elem Med Biol 2015; 31:67-73. [PMID: 26004894 DOI: 10.1016/j.jtemb.2015.03.001] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/23/2014] [Revised: 02/05/2015] [Accepted: 03/06/2015] [Indexed: 01/08/2023]
Abstract
Trace elements have an impact on numerous physiological processes. The monitoring of their levels in the organism allows you to detect not only their deficiencies, but also several illnesses. The aim of this study was to compare the levels of essential elements (calcium, magnesium, zinc, copper, iron, manganese) in hair, nails and serum of both patients with laryngeal cancer and healthy people. The determination of six metals was performed by an inductively coupled plasma mass spectrometry (ICP-MS) and an inductively coupled plasma optical emission spectrometry (ICP-OES). The concentration of essential elements in hair and nails of the control group was statistically significantly higher than in the group of patients with laryngeal cancer. In the case of serum, differences were found between the patients and controls in respect of the level of three metals. The results of principal component analysis (PCA) revealed the strong and similar clustering behavior of essential elements in hair and nails. The metals did not correlate between two alternative materials. The present study indicated that, using the level of essential elements in hair and nails as a basis, it is possible to distinguish cancer patients from healthy people. The alternative materials are independent of homeostasis and therefore seem to be more useful in the detection of diseases and mineral deficiencies in human than the classical biological materials, such as blood.
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Affiliation(s)
- Magdalena Golasik
- Department of Analytical Chemistry, Faculty of Chemistry, Jagiellonian University, Ingardena 3, 30-060 Kraków, Poland
| | - Agnieszka Przybyłowicz
- Department of Analytical Chemistry, Faculty of Chemistry, Jagiellonian University, Ingardena 3, 30-060 Kraków, Poland
| | - Anna Woźniak
- Laboratory of Environmental Research, Department of Toxicology, University of Medical Sciences, Dojazd 30, 60-631 Poznań, Poland
| | - Małgorzata Herman
- Department of Analytical Chemistry, Faculty of Chemistry, Jagiellonian University, Ingardena 3, 30-060 Kraków, Poland
| | - Wojciech Gawęcki
- Department of Otolaryngology and Laryngological Oncology, University of Medical Sciences, Przybyszewskiego 49, 60-355 Poznań, Poland
| | - Wojciech Golusiński
- Department of Otolaryngology and Laryngological Oncology, University of Medical Sciences, Przybyszewskiego 49, 60-355 Poznań, Poland; Greater Poland Cancer Center, Garbary 15, 61-866 Poznań, Poland
| | - Stanisław Walas
- Department of Analytical Chemistry, Faculty of Chemistry, Jagiellonian University, Ingardena 3, 30-060 Kraków, Poland
| | - Zbigniew Krejpcio
- Department of Human Nutrition and Hygiene, Poznan University of Life Sciences, Wojska Polskiego 28, 60-637 Poznań, Poland
| | - Krzysztof Szyfter
- Department of Otolaryngology and Laryngological Oncology, University of Medical Sciences, Przybyszewskiego 49, 60-355 Poznań, Poland; Clinic of Phoniatrics and Audiology, University of Medical Sciences, Przybyszewskiego 49, 60-355 Poznań, Poland
| | - Ewa Florek
- Laboratory of Environmental Research, Department of Toxicology, University of Medical Sciences, Dojazd 30, 60-631 Poznań, Poland
| | - Wojciech Piekoszewski
- Department of Analytical Chemistry, Faculty of Chemistry, Jagiellonian University, Ingardena 3, 30-060 Kraków, Poland; Laboratory of High Resolution Mass Spectrometry, Regional Laboratory of Physicochemical Analysis and Structural Research, Faculty of Chemistry, Jagiellonian University, Ingardena 3, 30-060 Kraków, Poland.
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Worasith N, Goodman BA. The coordination environment of copper in hair can be altered by treatment products. Int J Cosmet Sci 2014; 37:116-22. [DOI: 10.1111/ics.12178] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2014] [Accepted: 10/26/2014] [Indexed: 12/01/2022]
Affiliation(s)
- N. Worasith
- Department of Chemistry; Faculty of Science and Technology; Rajamangala University of Technology Krungthep; 2 Nang Lin Chi Road Soi Suan Plu Sathorn Bangkok Thailand
| | - B. A. Goodman
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources; Guangxi University; Nanning Guangxi 530004 China
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Takeuchi H, Taki Y, Sekiguchi A, Nouchi R, Kotozaki Y, Nakagawa S, Miyauchi CM, Iizuka K, Yokoyama R, Shinada T, Yamamoto Y, Hanawa S, Araki T, Hashizume H, Kunitoki K, Sassa Y, Kawashima R. Association of hair iron levels with creativity and psychological variables related to creativity. Front Hum Neurosci 2013; 7:875. [PMID: 24385960 PMCID: PMC3866515 DOI: 10.3389/fnhum.2013.00875] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2013] [Accepted: 11/30/2013] [Indexed: 11/13/2022] Open
Abstract
Creativity generally involves the conception of original and valuable ideas. Previous studies have suggested an association between creativity and the dopaminergic system, and that physical activity facilitates creativity. Iron plays a key role in the dopaminergic system and physical activity. Here, we newly investigated the associations between hair iron levels and creativity, dopamine-related traits and states [novelty seeking, extraversion, and vigor (motivational state)], as well as the physical activity level. In the present study, we addressed this issue by performing a hair mineral analysis to determine iron levels and a behavioral creativity test of divergent thinking and related psychological measures among young adults (254 men, 88 women; mean age 20.79 ± 2.03 years). Iron levels did not show any significant association with creativity but displayed significant positive associations with novelty seeking, extraversion, and physical activity level. These results may be partly congruent with the notion that iron plays a key role in the dopaminergic system and imply that iron is important for traits and physical activity, which facilitate creativity. Future interventional or longitudinal studies are warranted to identify any causal effects.
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Affiliation(s)
- Hikaru Takeuchi
- Division of Developmental Cognitive Neuroscience, Institute of Development, Aging and Cancer, Tohoku University Sendai, Japan
| | - Yasuyuki Taki
- Division of Developmental Cognitive Neuroscience, Institute of Development, Aging and Cancer, Tohoku University Sendai, Japan ; Division of Medical Neuroimaging Analysis, Department of Community Medical Supports, Tohoku Medical Megabank Organization, Tohoku University Sendai, Japan ; Department of Radiology and Nuclear Medicine, Institute of Development, Aging and Cancer, Tohoku University Sendai, Japan
| | - Atsushi Sekiguchi
- Division of Medical Neuroimaging Analysis, Department of Community Medical Supports, Tohoku Medical Megabank Organization, Tohoku University Sendai, Japan ; Department of Functional Brain Imaging, Institute of Development, Aging and Cancer, Tohoku University Sendai, Japan
| | - Rui Nouchi
- Human and Social Response Research Division, International Research Institute of Disaster Science, Tohoku University Sendai, Japan
| | - Yuka Kotozaki
- Smart Ageing International Research Center, Institute of Development, Aging and Cancer, Tohoku University Sendai, Japan
| | - Seishu Nakagawa
- Department of Functional Brain Imaging, Institute of Development, Aging and Cancer, Tohoku University Sendai, Japan
| | - Carlos M Miyauchi
- Department of Functional Brain Imaging, Institute of Development, Aging and Cancer, Tohoku University Sendai, Japan ; Graduate Schools for Law and Politics, The University of Tokyo Bunkyo, Tokyo, Japan
| | - Kunio Iizuka
- Department of Functional Brain Imaging, Institute of Development, Aging and Cancer, Tohoku University Sendai, Japan
| | - Ryoichi Yokoyama
- Department of Functional Brain Imaging, Institute of Development, Aging and Cancer, Tohoku University Sendai, Japan ; Japan Society for the Promotion of Science Tokyo, Japan
| | - Takamitsu Shinada
- Department of Functional Brain Imaging, Institute of Development, Aging and Cancer, Tohoku University Sendai, Japan
| | - Yuki Yamamoto
- Department of Functional Brain Imaging, Institute of Development, Aging and Cancer, Tohoku University Sendai, Japan
| | - Sugiko Hanawa
- Department of Functional Brain Imaging, Institute of Development, Aging and Cancer, Tohoku University Sendai, Japan
| | - Tsuyoshi Araki
- Smart Ageing International Research Center, Institute of Development, Aging and Cancer, Tohoku University Sendai, Japan
| | - Hiroshi Hashizume
- Division of Developmental Cognitive Neuroscience, Institute of Development, Aging and Cancer, Tohoku University Sendai, Japan
| | | | - Yuko Sassa
- Division of Developmental Cognitive Neuroscience, Institute of Development, Aging and Cancer, Tohoku University Sendai, Japan
| | - Ryuta Kawashima
- Division of Developmental Cognitive Neuroscience, Institute of Development, Aging and Cancer, Tohoku University Sendai, Japan ; Department of Functional Brain Imaging, Institute of Development, Aging and Cancer, Tohoku University Sendai, Japan ; Smart Ageing International Research Center, Institute of Development, Aging and Cancer, Tohoku University Sendai, Japan
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Shao L, Xiao H, Wu D. Speciation of heavy metals in airborne particles, road dusts, and soils along expressways in China. ACTA ACUST UNITED AC 2013. [DOI: 10.1007/s11631-013-0651-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Dharmaraja J, Esakkidurai T, Subbaraj P, Shobana S. Mixed ligand complex formation of 2-aminobenzamide with Cu(II) in the presence of some amino acids: synthesis, structural, biological, pH-metric, spectrophotometric and thermodynamic studies. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2013; 114:607-621. [PMID: 23811147 DOI: 10.1016/j.saa.2013.05.043] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/12/2013] [Revised: 05/13/2013] [Accepted: 05/14/2013] [Indexed: 06/02/2023]
Abstract
Mixed ligand Cu(II) complexes of 2-aminobenzamide (2AB) and amino acids viz., glycine (gly), L-alanine (ala), L-valine (val) and L-phenylalanine (phe) have been synthesised and characterized by various physico-chemical and spectral techniques. The calculated g-tensor values for Cu(II) complexes at 77 K and 300 K, show the distorted octahedral geometry which has been confirmed from the absorption studies. Consequently, the thermal studies illustrate that the loss of water and acetate molecules in the initial stage which are followed by the decomposition of organic residues. The powder X-ray diffraction and SEM analysis reflect that all the complexes have well-defined crystallinity nature with homogeneous morphology. The binding activities of CT DNA with CuAB complexes have been examined by absorption studies. Further, the oxidative cleavage interactions of 2-aminobenzamide and CuAB complexes with DNA were studied by gel electrophoresis method in H2O2 medium. Also, the complex formation of Cu(II) involving 2-aminobenzamide and amino acids were carried out by a combined pH-metric and spectrophotometric techniques in 50% (v/v) water-ethanol mixture at 300, 310, 320 and 330±0.1 K with I=0.15 mol dm(-3) (NaClO4). In solution, CuAB and CuAB2 species has been detected and the binding modes of 2-aminobenzamide and amino acids in both binary and mixed ligand complexes are same. The calculated stabilization value of ΔlogK, log X and log X' indicates higher stabilities for the mixed ligand complexes rather than their binary species. The thermodynamic parameters like ΔG, ΔH and ΔS have been determined from temperature dependence of the stability constant. In vitro biological activities of 2-aminobenzamide, CuA and CuAB complexes show remarkable activities against some bacterial and fungal strains. The percentage distribution of various binary and mixed ligand species in solution at dissimilar pH intervals were also evaluated.
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Affiliation(s)
- Jeyaprakash Dharmaraja
- Division of Chemistry, Faculty of Science and Humanities, Sree Sowdambika College of Engineering, Aruppukottai, Virudhunagar District, Tamil Nadu, India
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A feasibility study of diagnosing cardiovascular diseases based on blood/urine element analysis and consensus models. Comput Biol Med 2013; 43:865-9. [DOI: 10.1016/j.compbiomed.2013.03.012] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2012] [Revised: 03/18/2013] [Accepted: 03/19/2013] [Indexed: 11/18/2022]
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37
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Godfrey S, Staite W, Bowtell P, Marsh J. Metals in female scalp hair globally and its impact on perceived hair health. Int J Cosmet Sci 2013; 35:264-71. [DOI: 10.1111/ics.12033] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2012] [Accepted: 12/14/2012] [Indexed: 11/26/2022]
Affiliation(s)
- Simon Godfrey
- Procter & Gamble Service GmbH; Berliner Allee 65; D-64274; Darmstadt; Germany
| | - William Staite
- Procter & Gamble Technical Centers Ltd.; London Innovation Center; Whitehall Lane; Egham; Surrey; TW20 9NW; England
| | - Philip Bowtell
- Procter & Gamble Technical Centers Ltd.; London Innovation Center; Whitehall Lane; Egham; Surrey; TW20 9NW; England
| | - Jennifer Marsh
- The Procter & Gamble Company; Miami Valley Innovation Center; 11810 East Miami River Road; Cincinnati; Ohio; 45252; USA
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Takagi M, Ozawa K, Yasuda H, Douke M, Hashimoto K, Hayashi Y, Inuzuka T, Hozumi I. Decreased bioelements content in the hair of patients with Fahr's disease (idiopathic bilateral calcification in the brain). Biol Trace Elem Res 2013; 151:9-13. [PMID: 23090713 DOI: 10.1007/s12011-012-9529-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/08/2012] [Accepted: 10/12/2012] [Indexed: 01/07/2023]
Abstract
The remarkable calcification of the basal ganglia and cerebellum has been traditionally called Fahr's disease, but this nomenclature is criticized for including heterogeneous diseases. To determine the pattern of some biological metals in the hair of patients with Fahr's disease, we investigated the levels of 24 bioelements in the hair of 28 patients (17 males and 11 females) with Fahr's disease and compared them with those of three age-, sex-, and living region-matched controls (84 controls in total). Interestingly, we found decreases in the levels of several bioelements [calcium (Ca), copper (Cu), iron (Fe), mercury (Hg), iodine (I), nickel (Ni), phosphate (P), lead (Pb), and selenium (Se)] in the hair of patients. This is in contrast to our previous finding of increases of Cu, Fe, zinc (Zn), and magnesium (Mg) in the cerebrospinal fluid (CSF) of patients. The decreased level of Cu in the hair was the most prominent and pathognomonic, while the increased level of Cu in the CSF had been found to be the most significant in patients. More significant correlations between two bioelements in the hair were recognized in patients than controls. Although Fahr's disease has been considered to be a heterogenous entity, the significant tendencies of several bioelements in the hair of patients in this study suggest metabolic disorders of bioelements, especially biometals, on the background. Some transporters, especially P transporter such as PiT2, of bioelements will be involved in the different distribution of bioelements in the body of patients.
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Affiliation(s)
- Mari Takagi
- Laboratory of Medical Therapeutics and Molecular Therapeutics, Gifu Pharmaceutical University, 1-25-4 Daigaku-Nishi, Gifu, Japan
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Vanaelst B, Huybrechts I, Michels N, Vyncke K, Sioen I, De Vriendt T, Flórez MR, Aramendía M, Balcaen L, Resano M, Vanhaecke F, De Henauw S. Mineral concentrations in hair of Belgian elementary school girls: reference values and relationship with food consumption frequencies. Biol Trace Elem Res 2012; 150:56-67. [PMID: 22907558 DOI: 10.1007/s12011-012-9495-5] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/05/2012] [Accepted: 08/10/2012] [Indexed: 11/26/2022]
Abstract
Although evidence suggests that hair elements may reflect dietary habits and/or mineral intake, this topic remains controversial. This study therefore presents age-specific reference values for hair concentrations of Ca, Cu, Fe, Na, Mg, P and Zn using the LMS method of Cole, and investigates the relationship between dietary habits (i.e. food consumption frequencies) and hair mineral concentrations in 218 Belgian elementary school girls by reduced rank regression (RRR). Hair minerals were quantitatively determined via inductively coupled plasma-mass spectrometry after microwave-assisted acid digestion of 6-cm long vertex posterior hair samples. The Children's Eating Habits Questionnaire-Food Frequency Questionnaire was used to obtain information on food consumption frequency of 43 food items in the month preceding hair collection. The established reference ranges were in line with data for other childhood or adolescent populations. The retained RRR factors explained 40, 50, 45, 46, 44 and 48 % of the variation of Ca, Cu, Fe, Mg, P and Zn concentrations in hair, respectively. Although this study demonstrated that a large proportion of hair mineral variation may be influenced by food consumption frequencies in elementary school girls, a number of food groups known to be rich sources of minerals did not show a relation with certain hair minerals. Future research should focus on mechanisms and processes involved in mineral incorporation and accumulation in scalp hair, in order to fully understand the importance and influence of diet on hair minerals.
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Affiliation(s)
- Barbara Vanaelst
- Department of Public Health, University Hospital, Ghent University, De Pintelaan 185, 2 block A, 2nd floor, 9000, Ghent, Belgium.
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Michalak I, Chojnacka K, Saeid A. Relation between mineral composition of human hair and common illnesses. ACTA ACUST UNITED AC 2012. [DOI: 10.1007/s11434-012-5385-7] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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41
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Tan C, Chen H. Screening of prostate cancer by analyzing trace elements in hair and chemometrics. Biol Trace Elem Res 2011; 144:97-108. [PMID: 21452047 DOI: 10.1007/s12011-011-9038-5] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/01/2011] [Accepted: 03/14/2011] [Indexed: 01/03/2023]
Abstract
Prostate cancer is the most common non-cutaneous malignancy and second leading cause of cancer mortality in men. The principle goal of this study was explore the feasibility of applying boosting coupled with trace element analysis of hair, for accurately distinguishing prostate cancer from healthy person. A total of 113 subjects containing 55 healthy men and 58 prostate cancers were collected. Based on a special index of variable importance and a forward selection scheme, only nine elements (i.e., Zn, Cr, Mg, Ca, Al, P, Cd, Fe, and Mo) were picked out from 20 candidate elements for modeling the relationship. As a result, an ensemble classifier consisting of only eight decision stumps achieved an overall accuracy of 98.2%, a sensitivity of 100%, and a specificity of 96.4% on the independent test set while all subjects on the training set are classified correctly. It seems that integrating boosting and element analysis of hair can serve as a valuable tool of diagnosing prostate cancer in practice.
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Affiliation(s)
- Chao Tan
- Department of Chemistry and Chemical Engineering, Yibin University, Yibin, 644007, People's Republic of China.
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Tan C, Chen H, Wu T. Classification models for detection of lung cancer based on nine element distribution of urine samples. Biol Trace Elem Res 2011; 142:18-28. [PMID: 20549398 DOI: 10.1007/s12011-010-8748-4] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/22/2010] [Accepted: 06/01/2010] [Indexed: 01/29/2023]
Abstract
The detection of lung cancer has a special value in the diagnosis of cancer diseases. Based on nine elemental concentrations (i.e., chromium, iron, manganese, aluminum, cadmium, copper, zinc, nickel, and selenium) in urine samples and an ensemble linear discriminant analysis (ELDA), a detection method for lung cancer has been developed. A dataset containing 30 healthy samples and 27 lung cancer samples is used for experiment. The whole dataset was first split into a training set with 29 samples and a test set with 28 samples. The prediction results from the ELDA classifier were compared with those from single Fisher's discriminate analysis (FDA). On the test set, the ELDA classifier achieved better performance, that is, a sensitivity of 100%, a specificity of 86.7%, and an overall accuracy of 92.9%, while the FDA classifier had a sensitivity of 92.3%, a specificity of 93.3%, and an overall accuracy of 92.9%. The superiority of ELDA to FDA is ascribed to the fact that ELDA can model more nonlinear relationships through the cooperation of several single models, suggesting that ensemble modeling is more advisable in such a task.
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Affiliation(s)
- Chao Tan
- Department of Chemistry and Chemical Engineering, Yibin University, People's Republic of China.
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Zhu Q, Chen J, Zheng M, Chen L, Liu J, Tian J, Huang W, Yang X. Mineral elements in the hair of amblyopic children. Biol Trace Elem Res 2011; 141:119-25. [PMID: 20490709 DOI: 10.1007/s12011-010-8730-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/29/2010] [Accepted: 05/05/2010] [Indexed: 10/19/2022]
Abstract
Amblyopia is a common cause of vision damage in children, and some aspects of its etiology are not clear. A number of mineral elements have important effects on the nerve and visual nerve systems. However, little is known about the relationship between amblyopia and nutritional mineral elements. In this study, hair samples were collected from 67 children with amblyopia and 57 age-matched control groups. The height and weight of each child was measured, and body mass index (BMI) was calculated. Mineral elements were determined by atomic absorption spectrometry and inductively coupled plasma-atomic emission spectrometry. The calcium and magnesium levels in the hair of amblyopic children were higher (p < 0.006), but the level of manganese were lower compared with those in the control groups (p < 0.006). Other elements measured were found to have an insignificant difference between the two groups (p > 0.006). The BMI of amblyopic children was higher (p < 0.001). These results show that mineral elements may play an important role in the visual development of children. Therefore, studies should pay more attention to investigating the impact of mineral elements on child vision.
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Affiliation(s)
- Qiaolin Zhu
- School of Ophthalmology and Optometry and Affiliated Eye Hospital, Wenzhou Medical College, Wenzhou City, Zhejiang, China
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Kempson IM, Lombi E. Hair analysis as a biomonitor for toxicology, disease and health status. Chem Soc Rev 2011; 40:3915-40. [PMID: 21468435 DOI: 10.1039/c1cs15021a] [Citation(s) in RCA: 127] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Hair analysis receives a large amount of academic and commercial interest for wide-ranging applications. However, in many instances, especially for elemental or 'mineral' analysis, the degree of success of analytical interpretation has been quite minimal with respect to the extent of such endeavors. In this critical review we address the questions surrounding hair analysis with specific intent of discovering what hair concentrations can actually relate to in a biogenic sense. This is done from a chemistry perspective to explain why and how elements are incorporated into hair and their meaning. This includes an overview of variables attributed to altering hair concentrations, such as age, gender, melanin content, and other less reported factors. Hair elemental concentrations are reviewed with regard to morbidity, with specific examples of disease related effects summarized. The application of hair analysis for epidemiology and etiology studies is enforced. A section is dedicated specifically to the area of population studies with regards to mercury, which highlights how endogenous and exogenous incorporation relies on species dependant metabolism and metabolic products. Many of the considerations are relevant to other areas of interest in hair analysis, such as for drug and isotopic analysis. Inclusion of a table of elemental concentrations in hair should act as a valuable reference (298 references).
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Affiliation(s)
- Ivan M Kempson
- Institute of Physics, Academia Sinica, 128 Academia Road, Section 2, Nankang, Taipei 115, Taiwan.
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Kosanovic M, Jokanovic M. Quantitative analysis of toxic and essential elements in human hair. Clinical validity of results. ENVIRONMENTAL MONITORING AND ASSESSMENT 2011; 174:635-643. [PMID: 20490915 DOI: 10.1007/s10661-010-1484-6] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/27/2009] [Accepted: 04/20/2010] [Indexed: 05/29/2023]
Abstract
Over the last three decades, there has been an increasing awareness of environmental and occupational exposures to toxic or potentially toxic trace elements. The evolution of biological monitoring includes knowledge of kinetics of toxic and/or essential elements and adverse health effects related to their exposure. The debate whether a hair is a valid sample for biomonitoring or not is still attracting the attention of analysts, health care professionals, and environmentalists. Although researchers have found many correlations of essential elements to diseases, metabolic disorders, environmental exposures, and nutritional status, opponents of the concept of hair analysis object that hair samples are unreliable due to the influence of external factors. This review discusses validity of hair as a sample for biomonitoring of essential and toxic elements, with emphasis on pre-analytical, analytical, and post-analytical factors influencing results.
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Affiliation(s)
- Melita Kosanovic
- Department of The President's Affairs, Management of Scientific Centers and Presidential Camels, Al Ain, United Arab Emirates.
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Tan C, Chen H, Xia C. Analysis of the relationship between leukemia mortality and soil trace elements using chemometrics. Biol Trace Elem Res 2010; 137:289-300. [PMID: 20033793 DOI: 10.1007/s12011-009-8582-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/18/2009] [Accepted: 11/27/2009] [Indexed: 11/30/2022]
Abstract
The relationship between the mortality of leukemia and the contents of trace elements in the soils of 29 regions of China was investigated. A total of 27 elements were determined for each region. Considering that an efficient variable selection can be highly beneficial both to improve the predictive ability of the model and to greatly reduce its complexity, genetic algorithm-partial least squares was used to screen out 13 qualified elements. As a result, only 13 elements, i.e., As, Hg, Mn, Sr, Ba, Cu, Ti, Co, K, Ca, Rb, Zn, and Mg, were picked out and, a partial least squares model with three latent variables was obtained, whose prediction exhibited a correlative coefficient of 0.874 with actual mortality. Especially, it showed a high negative correlation between the content of soil As and the mortality of leukemia. Such a fact can be explained by the apoptotic effect of cancerous cells by trace-amount arsenic trioxide. Furthermore, according to whether the mortality was larger than two out of 100,000 (2 × 10⁻⁵), all the 29 regions were divided into 21 high-mortality regions and eight low-mortality regions and were assigned the label -1 or 1, respectively. Using the same 13 elements, a Fisher's discriminant analysis model was developed, which can successfully discriminate low- and high-mortality groups.
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Affiliation(s)
- Chao Tan
- Department of Chemistry and Chemical Engineering, Yibin University, People's Republic of China.
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Chojnacka K, Michalak I, Zielińska A, Górecka H, Górecki H. Inter-relationship between elements in human hair: The effect of gender. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2010; 73:2022-2028. [PMID: 20870290 DOI: 10.1016/j.ecoenv.2010.09.004] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/09/2010] [Revised: 09/03/2010] [Accepted: 09/12/2010] [Indexed: 05/29/2023]
Abstract
The aim of the present work was to examine the inter-relationship between elements in human hair depending on gender. In the whole population, the following groups of correlated elements were identified: alkaline earth metals (Ba, Ca, Mg, Sr), major microelements (Cu, Mn, Si, Zn) and La, Ti. In the subpopulation of males, the (Ag, Al, As, Fe) group was additionally included, whereas in the group of females (Ag, Al, Fe, Zr) was included. The group of alkali metals (Li, Na, K) and P was particularly visible in the group of males. In the group of females correlations among (Al, Co, Fe, K, Ti) were stronger than in males. In both sexes correlations between Mo, B and V (in females additionally Bi was present) and Bi-Co were found. Only in hair of males (Cd, Fe, Mn) and (Cu, Na, P) were detected, and the group of (As, Co, Cr, Fe, K, Ti) was detected only in females.
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Affiliation(s)
- Katarzyna Chojnacka
- Institute of Inorganic Technology and Mineral Fertilizers, WrocŁaw University of Technology, ul. Smoluchowskiego 25, 50-372 WrocŁaw, Poland.
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Tan C, Chen H, Zhu W. Application of boosting classification and regression to modeling the relationships between trace elements and diseases. Biol Trace Elem Res 2010; 134:146-59. [PMID: 19629402 DOI: 10.1007/s12011-009-8468-9] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/25/2009] [Accepted: 07/14/2009] [Indexed: 01/29/2023]
Abstract
The study on the relationship between trace elements and diseases often need to build a classification/regression model. Furthermore, the accuracy of such a model is of particular importance and directly decides its applicability. The goal of this study is to explore the feasibility of applying boosting, i.e., a new strategy from machine learning, to model the relationship between trace elements and diseases. Two examples are employed to illustrate the technique in the applications of classification and regression, respectively. The first example involves the diagnosis of anorexia according to the concentrations of six elements (i.e. classification task). Decision stump and support vector machine are used as the weak/base algorithm and reference algorithm, respectively. The second example involves the prediction of breast cancer mortality based on the intake of trace elements (i.e. a regression task). In this regard, partial least squares is not only used as the weak/base algorithm, but also the reference algorithm. The results from both examples confirm the potential of boosting in modeling the relationship between trace elements and diseases.
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Affiliation(s)
- Chao Tan
- Department of Chemistry and Chemical Engineering, Yibin University, Yibin 644007, People's Republic of China.
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Chwiej J. The use of cluster and discriminant analysis in the investigations of the role of trace metals in the pathogenesis of Parkinson's disease. J Trace Elem Med Biol 2010; 24:78-88. [PMID: 20413064 DOI: 10.1016/j.jtemb.2009.11.002] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/01/2008] [Revised: 11/02/2009] [Accepted: 11/02/2009] [Indexed: 11/24/2022]
Abstract
X-ray fluorescence microscopy was applied for two-dimensional elemental analysis of substantia nigra (SN) tissue. The samples representing Parkinson's disease (PD) and control cases were examined at HASYLAB beamline L and at ESRF beamline ID22. Two-dimensional mapping of P, S, Cl, K, Ca, Fe, Cu, Zn, Se and Br was done with the spatial resolution of 15 and 5 microm. The masses per unit area of elements in neuromelanin reach nerve cells of SN were determined. The elemental data were processed using two multivariate techniques, namely cluster and discriminant analysis. The statistical methods were used for data reduction, both unsupervised and supervised classification as well as for the creation of a model that would simplify case identification based on the elemental analysis of SN tissue. The results of cluster analysis confirmed the statistical significance of the differences in elemental composition of PD and control SN nerve cells. Based on the results of discriminant analysis, the elements (P, Cl, Fe, Cu and Zn) that played the greatest role in the process of differentiation between neurons from examined groups were determined.
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Affiliation(s)
- Joanna Chwiej
- Department of Applied Nuclear Physics, Faculty of Physics and Applied Computer Science, AGH-University of Science and Technology, Al. Mickiewicza 30, 30-059 Krakow, Poland.
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Arnal N, Cristalli DO, de Alaniz MJ, Marra CA. Clinical utility of copper, ceruloplasmin, and metallothionein plasma determinations in human neurodegenerative patients and their first-degree relatives. Brain Res 2010; 1319:118-30. [DOI: 10.1016/j.brainres.2009.11.085] [Citation(s) in RCA: 80] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2009] [Revised: 11/04/2009] [Accepted: 11/08/2009] [Indexed: 01/11/2023]
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