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Joun JH, Li L, An JN, Jang J, Oh YK, Lim CS, Kim YS, Choi K, Lee JP, Lee J. Antioxidative effects of molybdenum and its association with reduced prevalence of hyperuricemia in the adult population. PLoS One 2024; 19:e0306025. [PMID: 39088565 PMCID: PMC11293656 DOI: 10.1371/journal.pone.0306025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Accepted: 06/10/2024] [Indexed: 08/03/2024] Open
Abstract
The relationship between molybdenum and kidney-related disease outcomes, including hyperuricemia, is not well investigated. This study aims to determine whether molybdenum and its antioxidative property are associated with systemic inflammation and kidney-related disease parameters including hyperuricemia. Urinary molybdenum's epidemiological relationship to hyperuricemia and kidney-disease related outcomes was evaluated in 15,370 adult participants in the National Health and Nutrition Examination Survey (NHANES) collected between 1999 and 2016. Individuals' urinary molybdenum levels were corrected to their urinary creatinine concentrations. The association between urinary molybdenum-to-creatinine ratio and kidney-disease related outcomes were assessed by multivariable linear and logistic regression analyses, adjusting for covariates including age, sex, ethnicity, diabetes mellitus, hypertension, body mass index, and estimated glomerular filtration rate. Antimony and tungsten were used as control trace metals. Experimentally, HK-2 cell was used to assess molybdenum's antioxidative properties. HK-2 cells were challenged with H2O2-induced oxidative stress. Oxidative stress was measured using a fluorescent microplate assay for reactive oxygen species (ROS) and antioxidation levels were assessed by measuring the expression of manganese superoxide dismutase. In the adult NHANES population, urinary molybdenum-to-creatinine ratio was significantly associated with decreased serum uric acid (β, -0.119; 95% CI, -0.148 to -0.090) concentrations, and decreased prevalence of hyperuricemia (OR, 0.73; 95% CI, 0.64-0.83) and gout (OR, 0.71; 95% CI, 0.52-0.94). Higher urinary molybdenum levels were associated with lower levels of systemic oxidative stress (gamma-glutamyltransferase levels; β, -0.052; 95% CI, -0.067 to -0.037) and inflammation (C-reactive protein levels; β, -0.184; 95% CI, -0.220 to -0.148). In HK-2 cells under H2O2-induced oxidative stress, molybdenum upregulated manganese superoxide dismutase expression and decreased oxidative stress. Urinary molybdenum levels are associated with decreased prevalence of hyperuricemia and gout in adult population. Molybdenum's antioxidative properties might have acted as an important mechanism for the reduction of systemic inflammation, ROS, and uric acid levels.
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Affiliation(s)
| | - Lilin Li
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea
- Department of Intensive Care Unit, Yanbian University Hospital, Jilin, China
| | - Jung Nam An
- Department of Internal Medicine, Hallym University Sacred Heart Hospital, Anyang, Korea
| | - Joonho Jang
- Seoul National University Hospital, Seoul, Korea
| | - Yun Kyu Oh
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea
- Department of Internal Medicine, Seoul National University Boramae Medical Center, Seoul, Korea
| | - Chun Soo Lim
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea
- Department of Internal Medicine, Seoul National University Boramae Medical Center, Seoul, Korea
| | - Yon Su Kim
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea
- Department of Internal Medicine, Seoul National University Hospital, Seoul, Korea
| | - Kyungho Choi
- Department of Environmental Health Sciences, School of Public Health, Seoul National University, Seoul, Korea
| | - Jung Pyo Lee
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea
- Department of Internal Medicine, Seoul National University Boramae Medical Center, Seoul, Korea
| | - Jeonghwan Lee
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea
- Department of Internal Medicine, Seoul National University Boramae Medical Center, Seoul, Korea
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2
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Kuraś R, Stępnik M, Grobelny J, Tomaszewska E, Stanisławska M, Domeradzka-Gajda K, Wąsowicz W, Janasik B. Distribution of molybdenum in soft tissues and blood of rats after intratracheal instillation of molybdenum(IV) sulfide nano- and microparticles. Toxicol Res 2024; 40:163-177. [PMID: 38223673 PMCID: PMC10786813 DOI: 10.1007/s43188-023-00213-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2023] [Revised: 09/08/2023] [Accepted: 09/26/2023] [Indexed: 01/16/2024] Open
Abstract
There is still little literature data on the toxicity and safety of the commonly used molybdenum (Mo) disulfide which is present in the working as well as living environments. Thus, an experiment was carried out involving rats, with single and repeated intratracheal exposure (in the latter case, 7 administrations at 2-week intervals with the analysis performed after 90 days) to lower (1.5 mg Mo kg-1 b.w.) and higher (5 mg Mo kg-1 b.w.) doses of molybdenum(IV) sulfide nanoparticles (MoS2-NPs) and microparticles (MoS2-MPs). The analysis of Mo concentrations in the tail and heart blood as well as in soft tissues (lung, liver, spleen, brain), after mineralization and bioimaging, was meant to facilitate an assessment of its accumulation and potential effects on the body following short- and long-term exposure. The multi-compartment model with an exponential curve of Mo concentration over time with different half-lives for the distribution and elimination phases of MoS2-MPs and MoS2-NPs was observed. After 24 h of exposure, a slight increase in Mo concentration in blood was observed. Next, Mo concentration indicated a decrease in blood concentration from 24 h to day 14 (the Mo concentration before the second administration), below the pre-exposure concentration. The next phase was linear, less abrupt and practically flat, but with an increasing trend towards the end of the experiment. Significantly higher Mo concentrations in MoS2-NPs and MoS2-MPs was found in the lungs of repeatedly exposed rats compared to those exposed to a single dose. The analysis of Mo content in the liver and the spleen tissue showed a slightly higher concentration for MoS2-NPs compared to MoS2-MPs. The results for the brain were below the calculated detection limit. Results were consistent with results obtained by bioimaging technique.
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Affiliation(s)
- Renata Kuraś
- Central Laboratory, Nofer Institute of Occupational Medicine, 8 Teresy St., 91-348 Łódź, Poland
| | - Maciej Stępnik
- QSAR LAB Ltd, 3 Lipy St., 80-172 Gdańsk, Poland
- Department of Toxicology and Carcinogenesis, Nofer Institute of Occupational Medicine, 8 Teresy St., 91-348 Łódź, Poland
| | - Jarosław Grobelny
- Department of Materials Technology and Chemistry, Faculty of Chemistry, University of Łódź, 163 Pomorska St., 90-236 Łódź, Poland
| | - Emilia Tomaszewska
- Department of Materials Technology and Chemistry, Faculty of Chemistry, University of Łódź, 163 Pomorska St., 90-236 Łódź, Poland
| | - Magdalena Stanisławska
- Central Laboratory, Nofer Institute of Occupational Medicine, 8 Teresy St., 91-348 Łódź, Poland
| | - Katarzyna Domeradzka-Gajda
- Department of Toxicology and Carcinogenesis, Nofer Institute of Occupational Medicine, 8 Teresy St., 91-348 Łódź, Poland
| | - Wojciech Wąsowicz
- Professor Emeritus, Nofer Institute of Occupational Medicine, 8 Teresy St., 91-348 Łódź, Poland
| | - Beata Janasik
- Department of Chemical Safety, Nofer Institute of Occupational Medicine, 8 Teresy St., 91-348 Łódź, Poland
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Sullivan KE, Swanhall A, Livingston S. Interpretation of Serum Analytes for Nutritional Evaluation. Vet Clin North Am Exot Anim Pract 2024; 27:135-154. [PMID: 37735025 DOI: 10.1016/j.cvex.2023.08.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/23/2023]
Abstract
Serum micronutrient analysis can provide insight into diet and clinical assessment, despite the complicated interplay between micronutrients and species idiosyncrasies. Approach serum nutrient analytes with skepticism, before jumping to alter diets or offering supplementation. Utilize across species but know that some exotics have exceptions to typical ranges, such as calcium in rabbits or iron in reptiles. Make sure you trust that referenced ranges reflect normal and healthy for that species. Micronutrients are integral to every bodily process, so measurement of serum analytes can tell a story that aids in the clinical picture, when one can recognize what stands out.
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Affiliation(s)
- Kathleen E Sullivan
- Disney's Animals, Science and Environment, 1180 North Savannah Circle, Lake Buena Vista, FL 32830, USA.
| | - Alyxandra Swanhall
- Disney's Animals, Science and Environment, 1180 North Savannah Circle, Lake Buena Vista, FL 32830, USA
| | - Shannon Livingston
- Disney's Animals, Science and Environment, 1180 North Savannah Circle, Lake Buena Vista, FL 32830, USA
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Oskarsson A, Kippler M. Molybdenum - a scoping review for Nordic Nutrition Recommendations 2023. Food Nutr Res 2023; 67:10326. [PMID: 38187804 PMCID: PMC10770642 DOI: 10.29219/fnr.v67.10326] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2022] [Revised: 01/02/2023] [Accepted: 10/25/2023] [Indexed: 01/09/2024] Open
Abstract
Molybdenum is an essential element in the form of the molybdenum cofactor (Moco). In humans, Moco is required for four enzymes: xanthine oxidase (XO), aldehyde oxidase, sulfite oxidase (SO), and mitochondrial amidoxime-reducing component (mARC). The enzymes are involved in the oxidation of purines to uric acid, metabolism of aromatic aldehydes and heterocyclic compounds, and in the catabolism of sulfur amino acids. Molybdenum cofactor deficiency is a rare autosomal recessive syndrome due to a defective synthesis of Moco, resulting in a deficiency of all the molybdoenzymes. There are no reports on clinical signs of dietary molybdenum deficiency in otherwise healthy humans. Water-soluble molybdate is efficiently absorbed from the digestive tract. The body retention is regulated by urinary excretion. Plasma molybdenum reflects long-term intake and 24-h urinary excretion is related to recent intake. There are no biochemical markers of molybdenum status. Cereal products are the main contributors to molybdenum dietary intake, estimated to 100-170 μg/day in Nordic studies. Little data are available on molybdenum toxicity in humans. A tolerable upper intake level of molybdenum has been based on reproductive toxicity in rats, but the effects have not been reproduced in more recent studies. The U.S. Institute of Medicine (IOM, present National Academy of Sciences, Engineering, and Medicine; NASEM) established a Recommended Dietary Allowance of 45 μg/day in adult men and women in 2001, based on a small study reporting urinary excretion in balance with intake at 22 μg/day. The European Food Safety Authority (EFSA) considered in 2013 the evidence to be insufficient to derive an Average Requirement and a Population Reference Intake, but proposed an Adequate Intake of 65 μg/day for adults.
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Affiliation(s)
- Agneta Oskarsson
- Department of Biomedical Sciences and Veterinary Public Health, Swedish University of Agricultural Sciences, Uppsala, Sweden
| | - Maria Kippler
- Institute of Environmental Medicine, Karolinska Institute, Stockholm, Sweden
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Foteva V, Fisher JJ, Qiao Y, Smith R. Does the Micronutrient Molybdenum Have a Role in Gestational Complications and Placental Health? Nutrients 2023; 15:3348. [PMID: 37571285 PMCID: PMC10421405 DOI: 10.3390/nu15153348] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Revised: 07/24/2023] [Accepted: 07/25/2023] [Indexed: 08/13/2023] Open
Abstract
Molybdenum is an essential trace element for human health and survival, with molybdenum-containing enzymes catalysing multiple reactions in the metabolism of purines, aldehydes, and sulfur-containing amino acids. Recommended daily intakes vary globally, with molybdenum primarily sourced through the diet, and supplementation is not common. Although the benefits of molybdenum as an anti-diabetic and antioxidant inducer have been reported in the literature, there are conflicting data on the benefits of molybdenum for chronic diseases. Overexposure and deficiency can result in adverse health outcomes and mortality, although physiological doses remain largely unexplored in relation to human health. The lack of knowledge surrounding molybdenum intake and the role it plays in physiology is compounded during pregnancy. As pregnancy progresses, micronutrient demand increases, and diet is an established factor in programming gestational outcomes and maternal health. This review summarises the current literature concerning varied recommendations on molybdenum intake, the role of molybdenum and molybdoenzymes in physiology, and the contribution these play in gestational outcomes.
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Affiliation(s)
- Vladimira Foteva
- Mothers and Babies Research Program, Hunter Medical Research Institute, Newcastle, NSW 2305, Australia; (J.J.F.); (R.S.)
- School of Medicine and Public Health, University of Newcastle, Newcastle, NSW 2308, Australia
| | - Joshua J. Fisher
- Mothers and Babies Research Program, Hunter Medical Research Institute, Newcastle, NSW 2305, Australia; (J.J.F.); (R.S.)
- School of Medicine and Public Health, University of Newcastle, Newcastle, NSW 2308, Australia
| | - Yixue Qiao
- Academy of Pharmacy, Xi’an Jiaotong Liverpool University, Suzhou 215000, China;
| | - Roger Smith
- Mothers and Babies Research Program, Hunter Medical Research Institute, Newcastle, NSW 2305, Australia; (J.J.F.); (R.S.)
- School of Medicine and Public Health, University of Newcastle, Newcastle, NSW 2308, Australia
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6
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Hardy F, Takser L, Gillet V, Baccarelli AA, Bellenger JP. Characterization of childhood exposure to environmental contaminants using stool in a semi-urban middle-class cohort from eastern Canada. ENVIRONMENTAL RESEARCH 2023; 222:115367. [PMID: 36709028 DOI: 10.1016/j.envres.2023.115367] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Revised: 01/20/2023] [Accepted: 01/24/2023] [Indexed: 06/18/2023]
Abstract
Children are exposed to various environmental organic and inorganic contaminants with effects on health outcomes still largely unknown. Many matrices (e.g., blood, urine, nail, hair) have been used to characterize exposure to organic and inorganic contaminants. The sampling of feces presents several advantages; it is non-invasive and provides a direct evaluation of the gut microbiome exposure to contaminants. The gut microbiome is a key factor in neurological development through the brain-gut axis. Its composition and disturbances can affect the neurodevelopment of children. Characterization of children exposure to contaminants is often performed on vulnerable populations (e.g., from developing countries, low-income neighborhoods, and large urban centers). Data on the exposure of children from middle-class, semi-urban, and mid-size populations to contaminants is scarce despite representing a significant fraction of the population in North America. In this study, 73 organics compounds from different chemical classes and 22 elements were analyzed in 6 years old (n = 84) and 10 years old (n = 119) children's feces from a middle-class, semi-urban, mid-size population cohort from Eastern Canada. Results show that 67 out of 73 targeted organics compounds and all elements were at least detected in one child's feces. Only caffeine (97% & 80%) and acetaminophen (28% & 48%) were detected in more than 25% of the children's feces, whereas all elements besides titanium were detected in more than 50% of the children.
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Affiliation(s)
- Félix Hardy
- Department of Chemistry, Faculty of Sciences, Sherbrooke University, Quebec, Canada.
| | - Larissa Takser
- Department of Pediatrics, Faculty of Medicine, Sherbrooke University, Quebec, Canada
| | - Viginie Gillet
- Department of Pediatrics, Faculty of Medicine, Sherbrooke University, Quebec, Canada
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Wang T, Lv Z, Fu X, Zheng S, Yang Z, Zou X, Liu Y, Zhang Y, Wen Y, Lu Q, Huang H, Huang S, Liu R. Associations between plasma metal levels and mild renal impairment in the general population of Southern China. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2022; 247:114209. [PMID: 36308880 DOI: 10.1016/j.ecoenv.2022.114209] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/22/2022] [Revised: 09/11/2022] [Accepted: 10/17/2022] [Indexed: 06/16/2023]
Abstract
BACKGROUND Metal exposure were assumed to be closely related with declined renal function, but the conclusions were controversial. We employed diverse statistical models and assessed the association between metal mixture exposure and mild renal impairment. METHODS A total of 13 plasma metals were measured in 896 general population from Southern China. Subjects with estimated glomerular filtration rate within 60-89 ml/min/1.73 m2 and urinary albumin-creatinine ratio <30 mg/g creatinine were defined as mild renal impairment (MRI). RESULTS About 31.47 % participants showed MRI. In the multivariate logistic regression models, compared with the first quartile, high levels of arsenic and molybdenum (the fourth quartile) were both associated with MRI, and the ORs (95 % CI) were 1.68 (1.05, 2.68) and 2.21 (1.40, 3.48), respectively. Their predominant roles were identified by the weighted quantile regression (WQS). Besides, restricted cubic spline analysis verified the relationship between molybdenum level and increased MRI risk in a linear and dose-response manner. CONCLUSION High levels of arsenic and molybdenum might be independent risk factors of MRI, and they showed combined effect. Our findings might provide vigorous evidence in preventing mild decline in renal function.
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Affiliation(s)
- Tian Wang
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing 210009, China; Department of Environment and Health, Shenzhen Center for Disease Control and Prevention, Shenzhen 518055, China
| | - Ziquan Lv
- Department of Environment and Health, Shenzhen Center for Disease Control and Prevention, Shenzhen 518055, China
| | - Xuejun Fu
- Department of Neurology, People's Hospital of Shenzhen, Shenzhen 518020, China
| | - Sijia Zheng
- Department of Environment and Health, Shenzhen Center for Disease Control and Prevention, Shenzhen 518055, China; School of Public Health, Shanxi Medical University, Taiyuan 030001, China
| | - Zijie Yang
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing 210009, China
| | - Xuan Zou
- Department of Environment and Health, Shenzhen Center for Disease Control and Prevention, Shenzhen 518055, China
| | - Yuewei Liu
- Department of Epidemiology, School of Public Health, Sun Yat-sen University, Guangzhou 510080, China
| | - Yanwei Zhang
- Department of Environment and Health, Shenzhen Center for Disease Control and Prevention, Shenzhen 518055, China
| | - Ying Wen
- Department of Environment and Health, Shenzhen Center for Disease Control and Prevention, Shenzhen 518055, China
| | - Qi Lu
- Department of Environment and Health, Shenzhen Center for Disease Control and Prevention, Shenzhen 518055, China; School of Public Health, Shanxi Medical University, Taiyuan 030001, China
| | - Hui Huang
- Department of Cardiology, the Eighth Affiliated Hospital, Sun Yat-sen University, Shenzhen 518033, China
| | - Suli Huang
- Department of Environment and Health, Shenzhen Center for Disease Control and Prevention, Shenzhen 518055, China.
| | - Ran Liu
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing 210009, China.
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Toro-Román V, Robles-Gil MC, Muñoz D, Bartolomé I, Siquier-Coll J, Maynar-Mariño M. Extracellular and Intracellular Concentrations of Molybdenum and Zinc in Soccer Players: Sex Differences. BIOLOGY 2022; 11:biology11121710. [PMID: 36552223 PMCID: PMC9774813 DOI: 10.3390/biology11121710] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Revised: 11/21/2022] [Accepted: 11/23/2022] [Indexed: 11/29/2022]
Abstract
Molybdenum (Mo) and zinc (Zn) play important roles in the process of adaptation to physical training. The aims of the present study were: (i) to analyze the differences in extracellular (plasma and urine) and intracellular (erythrocytes and platelets) Mo and Zn concentrations between sexes and (ii) to relate extracellular Zn concentrations with biomarkers of muscle damage and muscle mass. The present study involved 138 semi-professional soccer players divided according to sex: male (n = 68) and female (n = 70). Mo and Zn concentrations were determined by inductively coupled plasma mass spectrometry. Erythrocytes, platelets, creatine kinase (CK), and lactate dehydrogenase (LDH) values were also determined by automatic cell counter and spectrophotometric techniques. There were no sex differences in Mo and Zn intake. Male soccer players obtained higher values of erythrocytes, CK, and LDH (p < 0.05), and showed higher plasma and urinary concentrations of Mo and Zn (p < 0.05). Female soccer players showed relatively higher Zn concentrations in erythrocytes (p < 0.05). Finally, positive correlations were observed between extracellular Zn concentrations with CK, LDH and muscle mass. Extracellular concentrations of Mo and Zn were higher in male soccer players. However, the relative concentrations of Zn in relation to the number of erythrocytes were higher in female soccer players.
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Affiliation(s)
- Víctor Toro-Román
- Faculty of Sport Sciences, University of Extremadura, Avenida de la Universidad s/n, 10003 Cáceres, Spain
| | - María Concepción Robles-Gil
- Faculty of Sport Sciences, University of Extremadura, Avenida de la Universidad s/n, 10003 Cáceres, Spain
- Correspondence:
| | - Diego Muñoz
- Faculty of Sport Sciences, University of Extremadura, Avenida de la Universidad s/n, 10003 Cáceres, Spain
| | - Ignacio Bartolomé
- Department of Sport Science, Faculty of Education, Pontifical University of Salamanca, C/Henry Collet, 52-70, 37007 Salamanca, Spain
| | - Jesús Siquier-Coll
- SER Research Group, Center of Higher Education Alberta Giménez, Comillas Pontifical University, Costa de Saragossa 16, 07013 Palma Mallorca, Spain
| | - Marcos Maynar-Mariño
- Faculty of Sport Sciences, University of Extremadura, Avenida de la Universidad s/n, 10003 Cáceres, Spain
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Sobel M, Navas-Acien A, Powers M, Grau-Perez M, Goessler W, Best LG, Umans J, Oelsner EC, Podolanczuk A, Sanchez TR. Environmental-level exposure to metals and metal-mixtures associated with spirometry-defined lung disease in American Indian adults: Evidence from the Strong Heart Study. ENVIRONMENTAL RESEARCH 2022; 207:112194. [PMID: 34653410 PMCID: PMC8810711 DOI: 10.1016/j.envres.2021.112194] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/21/2021] [Revised: 10/05/2021] [Accepted: 10/06/2021] [Indexed: 05/03/2023]
Abstract
BACKGROUND American Indians have a higher burden of chronic lung disease compared to the US average. Several metals are known to induce chronic lung disease at high exposure levels; however, less is known about the role of environmental-level metal exposure. We investigated respiratory effects of exposure to single metals and metal-mixtures in American Indians who participated in the Strong Heart Study. METHODS We included 2077 participants with data on 6 metals (As, Cd, Mo, Se, W, Zn) measured from baseline urine samples (1989-1991) and who underwent spirometry testing at follow-up (1993-1995). We used generalized linear regression to assess associations of single metals with spirometry-defined measures of airflow limitation and restrictive ventilatory pattern, and continuous spirometry. We used Bayesian Kernel Machine Regression to investigate the joint effects of the metal-mixture. Sensitivity analyses included stratifying by smoking status and diabetes. RESULTS Participants were 40% male, with median age 55 years. 21% had spirometry-defined airflow limitation, and 14% had a restrictive ventilatory pattern. In individual metal analyses, Cd was associated with higher odds of airflow limitation and lower FEV1 and FEV1/FVC. Mo was associated with higher odds of restrictive ventilatory pattern and lower FVC. Metal-mixtures analyses confirmed these models. In smoking stratified analyses, the overall metal-mixture was linearly and positively associated with airflow limitation among non-smokers; Cd was the strongest contributor. For restrictive ventilatory pattern, the association with the overall metal-mixture was strong and linear among participants with diabetes and markedly attenuated among participants without diabetes. Among those with diabetes, Mo and Zn were the major contributors. CONCLUSIONS Environmental-level exposure to several metals was associated with higher odds of spirometry-defined lung disease in an American Indian population. Exposure to multiple metals, including Cd and Mo, may have an under-recognized adverse role on the respiratory system.
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Affiliation(s)
- Marisa Sobel
- Department of Environmental Health Sciences, Columbia Mailman School of Public Health, 722 West 168th St. NY, NY, 10032, USA.
| | - Ana Navas-Acien
- Department of Environmental Health Sciences, Columbia Mailman School of Public Health, 722 West 168th St. NY, NY, 10032, USA.
| | - Martha Powers
- Department of Sociology and Anthropology, Northeastern University, 1135 Tremont Street, 900 Renaissance Park, Boston, MA, 02115, USA.
| | - Maria Grau-Perez
- Biomedical Research Institute of Valencia (INCLIVA), C. de Menéndez y Pelayo, 4, 46010, Valencia, Spain.
| | - Walter Goessler
- Institute of Chemistry, Universität Graz, Universitätsplatz 3, 8010, Graz, Austria.
| | - Lyle G Best
- Missouri Breaks Industries Research, 118 South Willow St, Eagle Butte, SD, 57625, USA.
| | - Jason Umans
- Division of Nephrology and Hypertension, Department of Medicine, Georgetown University Medical Center, 3800 Reservoir Road, N.W, Washington, D.C, USA.
| | - Elizabeth C Oelsner
- Division of General Medicine, Department of Medicine, Columbia University Irving Medical Center, 622 W 168th St, New York, NY, 10032, USA.
| | - Anna Podolanczuk
- Pulmonary Critical Care Medicine, Weill Cornell Medicine, 425 E 61st St, New York, NY, 10065, USA.
| | - Tiffany R Sanchez
- Department of Environmental Health Sciences, Columbia Mailman School of Public Health, 722 West 168th St. NY, NY, 10032, USA.
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Huang S, Zhong D, Lv Z, Cheng J, Zou X, Wang T, Wen Y, Wang C, Yu S, Huang H, Li L, Nie Z. Associations of multiple plasma metals with the risk of metabolic syndrome: A cross-sectional study in the mid-aged and older population of China. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2022; 231:113183. [PMID: 35032729 DOI: 10.1016/j.ecoenv.2022.113183] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/01/2021] [Revised: 01/06/2022] [Accepted: 01/09/2022] [Indexed: 02/08/2023]
Abstract
BACKGROUND Metal exposures have been reported to be related to the progress of metabolic syndrome (MetS), however, the currents results were still controversial, and the evidence about the effect of multi-metal exposure on MetS were limited. In this study, we intended to evaluate the relationships between metal mixture exposure and the prevalence of MetS in a mid-aged and older population of China. METHODS The plasma levels of 13 metals (aluminum, magnesium, calcium, iron, manganese, cobalt, copper, arsenic, zinc, selenium, cadmium, molybdenum and thallium) were detected by inductively coupled plasma mass spectrometry (ICP-MS) in 1277 adults recruited from the Eighth Affiliated Hospital of Sun Yat-Sen University (Shenzhen, China). Logistic regression, the adaptive least absolute shrinkage and selectionator operator (LASSO) penalized regression analysis and restricted cubic spline (RCS) analysis were used to explore the associations and dose-response relationships of plasma metals with MetS. To evaluate the cumulative effect of metals, the Bayesian Kernel Machine Regression (BKMR) model was applied. RESULTS The concentrations of magnesium and molybdenum were lower in the MetS group (p < 0.05). In the single-metal model, the adjusted ORs (95%CI) in the highest quartiles were 0.44 (0.35, 0.76) for magnesium and 0.30 (0.17, 0.51) for molybdenum compared with the lowest quartile. The negative associations and dose-dependent relationships of magnesium and molybdenum with MetS were further validated by the stepwise model, adaptive LASSO penalized regression and RCS analysis. The BKMR models showed that the metal mixture were associated with decreased MetS when the chemical mixtures were≥ 25th percentile compared to their medians, and Mg, Mo were the major contributors to the combined effect. Moreover, concentrations of magnesium were significantly related to blood glucose, and molybdenum was related with BMI, blood glucose and blood pressure. CONCLUSIONS Elevated levels of plasma magnesium and molybdenum were associated with decreased prevalence of MetS. Further investigations in larger perspective cohorts are needed to confirm our findings.
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Affiliation(s)
- Suli Huang
- Shenzhen Center for Disease Control and Prevention, Shenzhen, 518055, China
| | - Danrong Zhong
- Shenzhen Center for Disease Control and Prevention, Shenzhen, 518055, China; Department of Cardiovascular Medicine, Research Center of Translational Medicine, The Second Affiliated Hospital of Shantou University Medical College, Shantou 515000, China
| | - Ziquan Lv
- Shenzhen Center for Disease Control and Prevention, Shenzhen, 518055, China
| | - Jinquan Cheng
- Shenzhen Center for Disease Control and Prevention, Shenzhen, 518055, China
| | - Xuan Zou
- Shenzhen Center for Disease Control and Prevention, Shenzhen, 518055, China
| | - Tian Wang
- Shenzhen Center for Disease Control and Prevention, Shenzhen, 518055, China; Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing 210009, China
| | - Ying Wen
- Shenzhen Center for Disease Control and Prevention, Shenzhen, 518055, China
| | - Chao Wang
- Shenzhen Center for Disease Control and Prevention, Shenzhen, 518055, China
| | - Shuyuan Yu
- Shenzhen Center for Disease Control and Prevention, Shenzhen, 518055, China
| | - Hui Huang
- Department of Cardiology, The Eighth Affiliated Hospital, Sun Yat-sen University, Shenzhen, 518033, China
| | - Lu Li
- Department of Cardiovascular Medicine, Research Center of Translational Medicine, The Second Affiliated Hospital of Shantou University Medical College, Shantou 515000, China
- Guangdong Provincial Key Laboratory of Infectious Diseases and Molecular Immunopathology, Shantou University Medical College, Shantou 515000, China
| | - Zhiqiang Nie
- Department of Cardiology, Hypertension Research Laboratory, Guangdong Cardiovascular Institute, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou 510080, China
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Li B, Huang Y, Luo C, Peng X, Jiao Y, Zhou L, Yin J, Liu L. Inverse Association of Plasma Molybdenum with Metabolic Syndrome in a Chinese Adult Population: A Case-Control Study. Nutrients 2021; 13:nu13124544. [PMID: 34960095 PMCID: PMC8707707 DOI: 10.3390/nu13124544] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Revised: 12/14/2021] [Accepted: 12/15/2021] [Indexed: 02/07/2023] Open
Abstract
Molybdenum has been found to be associated with metabolic disorders. However, the relationship between molybdenum and metabolic syndrome (MetS) is still unclear. A large case-control study was conducted in a Chinese population from the baseline of Ezhou-Shenzhen cohort. A total of 5356 subjects were included with 2678 MetS and 2678 controls matched by sex and age (±2 years). Medians (IQRs) of plasma molybdenum concentrations were 1.24 μg/L for MetS cases and 1.46 μg/L for controls. After adjustment for multiple covariates, the odds ratio (OR) and 95% confidence intervals (CIs) for MetS were 1.00 (reference), 0.71 (0.59-0.84), 0.56 (0.46-0.68), and 0.47 (0.39-0.58) across quartiles of plasma molybdenum, and per SD increment of log-transformed molybdenum was associated with a 23% lower risk of MetS. In the spline analysis, the risk of MetS and its components decreased steeply with increasing molybdenum and followed by a plateau when the cutoff point was observed around 2.0 μg/L. The dose-dependent relationship of molybdenum with MetS remained consistent when considering other essential elements in the Bayesian kernel machine regression (BKMR) model. In our study, higher plasma molybdenum was significantly associated with a lower risk of MetS, as well as its components, in a dose-response manner.
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Affiliation(s)
- Ben Li
- Department of Nutrition and Food Hygiene, Hubei Key Laboratory of Food Nutrition and Safety, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China; (B.L.); (Y.H.); (C.L.); (X.P.); (L.Z.)
- Ministry of Education Key Lab of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China;
| | - Yue Huang
- Department of Nutrition and Food Hygiene, Hubei Key Laboratory of Food Nutrition and Safety, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China; (B.L.); (Y.H.); (C.L.); (X.P.); (L.Z.)
- Ministry of Education Key Lab of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China;
| | - Cheng Luo
- Department of Nutrition and Food Hygiene, Hubei Key Laboratory of Food Nutrition and Safety, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China; (B.L.); (Y.H.); (C.L.); (X.P.); (L.Z.)
- Ministry of Education Key Lab of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China;
| | - Xiaolin Peng
- Department of Nutrition and Food Hygiene, Hubei Key Laboratory of Food Nutrition and Safety, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China; (B.L.); (Y.H.); (C.L.); (X.P.); (L.Z.)
- Ministry of Education Key Lab of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China;
- Department of Non-Communicable Disease Prevention and Control, Shenzhen Nanshan Center for Chronic Disease Control, Shenzhen 518000, China
| | - Yang Jiao
- Ministry of Education Key Lab of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China;
| | - Li Zhou
- Department of Nutrition and Food Hygiene, Hubei Key Laboratory of Food Nutrition and Safety, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China; (B.L.); (Y.H.); (C.L.); (X.P.); (L.Z.)
- Ministry of Education Key Lab of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China;
| | - Jiawei Yin
- Department of Nutrition and Food Hygiene, Hubei Key Laboratory of Food Nutrition and Safety, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China; (B.L.); (Y.H.); (C.L.); (X.P.); (L.Z.)
- Ministry of Education Key Lab of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China;
- Correspondence: (J.Y.); (L.L.); Tel./Fax: +86-27-83-650-522 (J.Y. & L.L.)
| | - Liegang Liu
- Department of Nutrition and Food Hygiene, Hubei Key Laboratory of Food Nutrition and Safety, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China; (B.L.); (Y.H.); (C.L.); (X.P.); (L.Z.)
- Ministry of Education Key Lab of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China;
- Correspondence: (J.Y.); (L.L.); Tel./Fax: +86-27-83-650-522 (J.Y. & L.L.)
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Badhe RV, Akinfosile O, Bijukumar D, Barba M, Mathew MT. Systemic toxicity eliciting metal ion levels from metallic implants and orthopedic devices - A mini review. Toxicol Lett 2021; 350:213-224. [PMID: 34252509 DOI: 10.1016/j.toxlet.2021.07.004] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2020] [Revised: 06/19/2021] [Accepted: 07/07/2021] [Indexed: 12/28/2022]
Abstract
The metal/metal alloy-based implants and prostheses are in use for over a century, and the rejections, revisions, and metal particle-based toxicities were reported concurrently. Complications developed due to metal ions, metal debris, and organo-metallic particles in orthopedic patients have been a growing concern in recent years. It was reported that local and systemic toxicity caused by such released products from the implants is one of the major reasons for implant rejection and revision. Even though the description of environmental metal toxicants and safety limits for their exposure to humans were well established in the literature, an effort was not adequately performed in the case of implant-based metal toxicology. Since the metal ion concentration in serum acts as a possible indicator of the systemic toxicity, this review summarizes the reported human serum safe limits, toxic limits, and concentration range (μg/L, ppb, etc.) for mild to severe symptoms of six (cardiac, hepatic, neuro, nephron, dermal and endocrine) systemic toxicities for twelve most commonly used metallic implants. It also covers the widely used metal ion quantification techniques and systemic toxicity treatments reported.
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Affiliation(s)
- Ravindra V Badhe
- Department of Biomedical Sciences, University of Illinois College of Medicine at Rockford, Rockford, IL, USA
| | - Obakanyin Akinfosile
- Department of Biomedical Sciences, University of Illinois College of Medicine at Rockford, Rockford, IL, USA
| | - Divya Bijukumar
- Department of Biomedical Sciences, University of Illinois College of Medicine at Rockford, Rockford, IL, USA
| | | | - Mathew T Mathew
- Department of Biomedical Sciences, University of Illinois College of Medicine at Rockford, Rockford, IL, USA.
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Coscollà C, Sánchez A, Corpas-Burgos F, López A, Pérez R, Kuligowski J, Vento M, Yusà V. Exposure and Risk Assessment of Hg, Cd, As, Tl, Se, and Mo in Women of Reproductive Age Using Urinary Biomonitoring. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2021; 40:1477-1490. [PMID: 33492722 DOI: 10.1002/etc.4996] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/18/2020] [Revised: 07/07/2020] [Accepted: 01/21/2021] [Indexed: 06/12/2023]
Abstract
The present study analyzed the exposure and risk assessment of 4 toxic (Hg, Cd, As, Tl) and 2 essential (Se, Mo) elements in 119 Spanish women of reproductive age. The focus was on the elements for which risk-based benchmark, biomonitoring equivalents, or health-related human biomonitoring values have already been established. All elements presented frequencies of detection of 100% (greater than the limit of detection), except for Cd (99%). The 95th percentile concentrations were, for the toxic metals, 358.37 µg/L (total As), 1.10 µg/L (Cd), 0.41 µg/L (Tl), and 3.03 µg/L (total Hg) and, for the essential elements, 68.95 µg/L (total Se) and 154.67 (Mo). We examined sociodemographic factors and dietary habits of women as predictors of urinary metal concentrations. Arsenic was positively associated with fish, shellfish, and canned fish consumption, whereas Mo was found to be associated with the consumption of cereals and pastry products. Maternal urine levels of As were negatively correlated with gestational age. In a risk-assessment context, hazard quotients (HQs) using the 95th percentile ranged from 0.08 (Tl) to 15.1 (urinary speciated As), with Cd presenting an HQ of 1.1 (95th percentile). None of the essential metals presented concentrations higher than their upper intake level; however, 3% of the mothers showed lower levels of Se than the estimated average requirement (EAR) biomonitoring equivalent, and 20% of the mothers were found to have lower levels of Mo than the EAR biomonitoring equivalent, suggesting a nutritionally inadequate diet. Environ Toxicol Chem 2021;40:1477-1490. © 2021 SETAC.
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Affiliation(s)
- Clara Coscollà
- Foundation for the Promotion of Health and Biomedical Research in the Valencia Region, FISABIO-Public Health, Valencia, Spain
| | | | - Francisca Corpas-Burgos
- Foundation for the Promotion of Health and Biomedical Research in the Valencia Region, FISABIO-Public Health, Valencia, Spain
| | - Antonio López
- Foundation for the Promotion of Health and Biomedical Research in the Valencia Region, FISABIO-Public Health, Valencia, Spain
| | - Rosa Pérez
- Foundation for the Promotion of Health and Biomedical Research in the Valencia Region, FISABIO-Public Health, Valencia, Spain
| | - Julia Kuligowski
- Neonatal Research Unit, Health Research Institute La Fe, Valencia, Spain
| | - Máximo Vento
- Neonatal Unit, University and Polytechnic Hospital La Fe, Valencia, Spain
| | - Vicent Yusà
- Foundation for the Promotion of Health and Biomedical Research in the Valencia Region, FISABIO-Public Health, Valencia, Spain
- Public Health Laboratory of Valencia, Valencia, Spain
- Analytical Chemistry Department, University of Valencia, Valencia, Spain
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14
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Abstract
Determining mineral status of production animals is important when developing an optimum health program. Nutrition is the largest expense in food animal production and has the greatest impact on health and productivity of the animals. Knowing the bioavailability of minerals in the diet is difficult. Evaluating fluid or tissues from animals is the optimum method to determine bioavailability. Evaluating the diet provides some information. Serum/blood or liver from the animal needs to be analyzed to determine bioavailability of vitamin and minerals in the diet. This article reviews how to sample and the function of these minerals in cattle.
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Affiliation(s)
- Steve Ensley
- Anatomy & Physiology, Kansas State University, 1800 Dension Avenue, P217 Mosier Hall, Manhattan, KS 66506, USA.
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15
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Barrios PL, Vázquez-Salas RA, López-Carrillo L, Menezes-Filho JA, Torres-Sánchez L. Dietary determinants of urinary molybdenum levels in Mexican women: a pilot study. SALUD PUBLICA DE MEXICO 2018; 59:548-555. [PMID: 29267652 DOI: 10.21149/8162] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2016] [Accepted: 05/24/2017] [Indexed: 11/06/2022] Open
Abstract
OBJECTIVE This study determined the main dietary sources of urinary molybdenum (Mo) concentrations in a sample of 124 pregnant women in Mexico. MATERIALS AND METHODS Dietary data was collected during pregnancy, through a semi-qualitative food frequency questionnaire, with information of 84 foods. Urine Mo levels were determined by atomic absorption spectrometry, for at least two trimesters of pregnancy. The associations with Mo levels were estimated by generalized mixed effect regression models. RESULTS Between 5.8 to 12.7% of the samples were above the 95th percentile of urinary Mo distribution reported by National Health and Nutrition Examination Survey (NHANES) 2009-2010 for women (151 μg/L and 148 μg/g creatinine). After bootstrap resampling was conducted, women with high-consumption of hot peppers (β=1.34μg/g; 95% CI: 1.00-1.80; p= 0.05) had marginally higher urinary Mo concentration levels, creatinine adjusted, compared to women with low-consumption. CONCLUSION. Hot chili pepper consumption may contribute to body burden Mo levels in this population.
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Affiliation(s)
- Pamela L Barrios
- International Training and Research in Environmental and Occupational Health Program Department of Preventive Medicine, Mount Sinai School of Medicine,. New York, USA.,Department of Nutritional Sciences, Rutgers University. New Jersey, USA
| | | | | | - José A Menezes-Filho
- Laboratory of Toxicology, College of Pharmacy, Federal University of Bahia. Salvador, Bahia, Brazil
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16
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Ellingsen DG, Chashchin M, Berlinger B, Fedorov V, Chashchin V, Thomassen Y. Biological monitoring of welders' exposure to chromium, molybdenum, tungsten and vanadium. J Trace Elem Med Biol 2017; 41:99-106. [PMID: 28347469 DOI: 10.1016/j.jtemb.2017.03.002] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/07/2017] [Revised: 03/01/2017] [Accepted: 03/01/2017] [Indexed: 11/16/2022]
Abstract
BACKGROUND Welders are exposed to a number of metallic elements during work. Bioaccessability, that is important for element uptake, has been little studied. This study addresses bioaccessability and uptake of chromium (Cr), molybdenum (Mo), tungsten (W) and vanadium (V) among welders. METHODS Bioaccessability of Cr, Mo, V and W was studied in airborne particulate matter collected by personal sampling of the workroom air among shipyard welders by using the lung lining fluid simulant Hatch solution. Associations between concentrations of Hatch soluble and non-soluble elements (Hatchsol and Hatchnon-sol) and concentrations of the four elements in whole blood, serum, blood cells and urine were studied. RESULTS Air concentrations of the four elements were low. Only a small fraction of Cr, V and W was Hatchsol, while similar amounts of Mo were Hatchsol and Hatchnon-sol. Welders (N=70) had statistically significantly higher concentrations of all four elements in urine and serum when compared to referents (N=74). Highly statistically significant associations were observed between urinary W and Hatchsol W (p<0.001) and serum V and Hatchsol V (p<0.001), in particular when air samples collected the day before collection of biological samples were considered. CONCLUSIONS Associations between Hatchsol elements in air and their biological concentrations were higher than when Hatchnon-sol concentrations were considered. Associations were generally higher when air samples collected the day before biological sampling were considered as compared to air samples collected two days before.
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Affiliation(s)
| | - Maxim Chashchin
- Northwest Public Health Research Centre, St. Petersburg, Russia
| | | | - Vladimir Fedorov
- Northwest Public Health Research Centre, St. Petersburg, Russia; North-western State Medical University named after I.I. Mechnikov, St. Petersburg, Russia
| | - Valery Chashchin
- Northwest Public Health Research Centre, St. Petersburg, Russia; North-western State Medical University named after I.I. Mechnikov, St. Petersburg, Russia
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17
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Hays SM, Macey K, Poddalgoda D, Lu M, Nong A, Aylward LL. Biomonitoring Equivalents for molybdenum. Regul Toxicol Pharmacol 2016; 77:223-9. [PMID: 26972837 DOI: 10.1016/j.yrtph.2016.03.004] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2015] [Revised: 03/04/2016] [Accepted: 03/06/2016] [Indexed: 10/22/2022]
Abstract
Molybdenum is an essential trace element for mammalian, plant, and other animal systems. The Institute of Medicine (IOM) has established an Estimated Average Requirement (EAR) to assure sufficient molybdenum intakes for human populations; however excessive exposures can cause toxicity. As a result, several agencies have established exposure guidance values to protect against molybdenum toxicity, including a Reference Dose (RfD), Tolerable Daily Intake (TDI) and a Tolerable Upper Intake Level (UL). Biomonitoring for molybdenum in blood or urine in the general population is being conducted by the Canadian Health Measures Survey (CHMS) and the U.S. National Health and Nutrition Examination Survey (NHANES). Using pharmacokinetic data from controlled human dosing studies, Biomonitoring Equivalents (BEs) were calculated for molybdenum in plasma, whole blood, and urine associated with exposure guidance values set to protect against both nutritional deficits and toxicity. The BEEAR values in plasma, whole blood and urine are 0.5, 0.45 and 22 μg/L, respectively. The BEs associated with toxicity range from 0.9 to 31 μg/L in plasma, 0.8-28 μg/L in whole blood and 200-7500 μg/L in urine. These values can be used to interpret molybdenum biomonitoring data from a nutritional and toxicity perspective.
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Affiliation(s)
- Sean M Hays
- Summit Toxicology, LLP, Lyons, CO 90540, USA.
| | | | | | - Ming Lu
- Health Canada, Ottawa, ON, Canada
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18
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Yoshida M, Nakagawa M, Hosomi R, Nishiyama T, Fukunaga K. Low molybdenum state induced by tungsten as a model of molybdenum deficiency in rats. Biol Trace Elem Res 2015; 165:75-80. [PMID: 25627419 DOI: 10.1007/s12011-015-0239-1] [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: 12/26/2014] [Accepted: 01/15/2015] [Indexed: 01/21/2023]
Abstract
Organ molybdenum (Mo) concentration and the activity of hepatic sulfite oxidase and xanthine oxidase were compared in tungsten-administered rats as well as rats fed with a low Mo diet to evaluate the use of tungsten-administered rats as a model of Mo deficiency. Twenty-four male 6-week-old Wistar rats were divided into four groups according to diet (AIN93G diet (control diet) or the control diet minus ammonium molybdate (low Mo diet)) and drinking water (deionized water or deionized water containing 200 μg/mL tungsten in the form of sodium tungstate). Mo content in the control and low Mo diets were 196 and 42 ng/g, respectively. Intake of the low Mo diet significantly reduced the Mo content of several organs and serum. Decrease in hepatic sulfite oxidase activity was also induced by the low Mo diet. The administration of tungsten induced marked decreases in organ Mo content and the activity of hepatic sulfite oxidase and xanthine oxidase. These decreases induced by tungsten administration were more pronounced than those induced by just a low Mo diet. Serum uric acid was also reduced by tungsten administration irrespective of Mo intake. Although a comparatively high accumulation of tungsten (3 to 9 μg/g) was observed in the kidneys and liver, adverse effects of tungsten accumulation on liver and kidney function were not observed in serum biochemical tests. These results indicate that tungsten-administered animals may be used as a model of Mo deficiency.
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Affiliation(s)
- Munehiro Yoshida
- Laboratory of Food and Nutritional Sciences, Faculty of Chemistry, Materials and Bioengineering, Kansai University, Yamate 3-3-35, Suita, Osaka, 564-8680, Japan,
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Tejada-Jiménez M, Schwarz G. Molybdenum and Tungsten. BINDING, TRANSPORT AND STORAGE OF METAL IONS IN BIOLOGICAL CELLS 2014. [DOI: 10.1039/9781849739979-00223] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
Molybdenum (Mo) is an essential micronutrient for the majority of organisms ranging from bacteria to animals. To fulfil its biological role, it is incorporated into a pterin-based Mo-cofactor (Moco) and can be found in the active centre of more than 50 enzymes that are involved in key reactions of carbon, nitrogen and sulfur metabolism. Five of the Mo-enzymes are present in eukaryotes: nitrate reductase (NR), sulfite oxidase (SO), aldehyde oxidase (AO), xanthine oxidase (XO) and the amidoxime-reducing component (mARC). Cells acquire Mo in form of the oxyanion molybdate using specific molybdate transporters. In bacteria, molybdate transport is an extensively studied process and is mediated mainly by the ATP-binding cassette system ModABC. In contrast, in eukaryotes, molybdate transport is poorly understood since specific molybdate transporters remained unknown until recently. Two rather distantly related families of proteins, MOT1 and MOT2, are involved in eukaryotic molybdate transport. They each feature high-affinity molybdate transporters that regulate the intracellular concentration of Mo and thus control activity of Mo-enzymes. The present chapter presents an overview of the biological functions of Mo with special focus on recent data related to its uptake, binding and storage.
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Affiliation(s)
- Manuel Tejada-Jiménez
- Institute of Biochemistry, Department of Chemistry, University of Cologne Zuelpicher Str. 47 Cologne 50674 Germany
| | - Guenter Schwarz
- Institute of Biochemistry, Department of Chemistry, University of Cologne Zuelpicher Str. 47 Cologne 50674 Germany
- Center for Molecular Medicine Cologne, University of Cologne Robert-Koch Str. 21 Cologne 50931 Germany
- Cluster of Excellence in Ageing Research, CECAD Research Center Joseph-Stelzmann-Str. 26 Cologne 50931 Germany
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20
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Abstract
Molybdenum is an essential trace element and crucial for the survival of animals. Four mammalian Mo-dependent enzymes are known, all of them harboring a pterin-based molybdenum cofactor (Moco) in their active site. In these enzymes, molybdenum catalyzes oxygen transfer reactions from or to substrates using water as oxygen donor or acceptor. Molybdenum shuttles between two oxidation states, Mo(IV) and Mo(VI). Following substrate reduction or oxidation, electrons are subsequently shuttled by either inter- or intra-molecular electron transfer chains involving prosthetic groups such as heme or iron-sulfur clusters. In all organisms studied so far, Moco is synthesized by a highly conserved multi-step biosynthetic pathway. A deficiency in the biosynthesis of Moco results in a pleitropic loss of all four human Mo-enzyme activities and in most cases in early childhood death. In this review we first introduce general aspects of molybdenum biochemistry before we focus on the functions and deficiencies of two Mo-enzymes, xanthine dehydrogenase and sulfite oxidase, caused either by deficiency of the apo-protein or a pleiotropic loss of Moco due to a genetic defect in its biosynthesis. The underlying molecular basis of Moco deficiency, possible treatment options and links to other diseases, such as neuropsychiatric disorders, will be discussed.
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Affiliation(s)
- Guenter Schwarz
- Institute of Biochemistry, Department of Chemistry, Center for Molecular Medicine, University of Cologne, Zülpicher Strasse 47, D-50674, Köln, Germany,
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Nakanishi Y, Iida S, Ueoka-Nakanishi H, Niimi T, Tomioka R, Maeshima M. Exploring dynamics of molybdate in living animal cells by a genetically encoded FRET nanosensor. PLoS One 2013; 8:e58175. [PMID: 23472155 PMCID: PMC3589368 DOI: 10.1371/journal.pone.0058175] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2012] [Accepted: 01/30/2013] [Indexed: 12/17/2022] Open
Abstract
Molybdenum (Mo) is an essential trace element for almost all living organisms including animals. Mo is used as a catalytic center of molybdo-enzymes for oxidation/reduction reactions of carbon, nitrogen, and sulfur metabolism. Whilst living cells are known to import inorganic molybdate oxyanion from the surrounding environment, the in vivo dynamics of cytosolic molybdate remain poorly understood as no appropriate indicator is available for this trace anion. We here describe a genetically encoded Förester-resonance-energy-transfer (FRET)-based nanosensor composed of CFP, YFP and the bacterial molybdate-sensor protein ModE. The nanosensor MolyProbe containing an optimized peptide-linker responded to nanomolar-range molybdate selectively, and increased YFP:CFP fluorescence intensity ratio by up to 109%. By introduction of the nanosensor, we have been able to successfully demonstrate the real-time dynamics of molybdate in living animal cells. Furthermore, time course analyses of the dynamics suggest that novel oxalate-sensitive- and sulfate-resistant- transporter(s) uptake molybdate in a model culture cell.
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Affiliation(s)
- Yoichi Nakanishi
- Department of Biological Mechanisms and Functions, Graduate School of Bioagricultural Sciences, Nagoya University, Nagoya, Japan.
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Kim KH, Funaba M, Yoshida M, Matsui T. The effects of magnesium deficiency on molybdenum metabolism in rats. Biol Trace Elem Res 2013; 151:100-4. [PMID: 23132250 DOI: 10.1007/s12011-012-9541-3] [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: 09/24/2012] [Accepted: 10/25/2012] [Indexed: 01/22/2023]
Abstract
Our previous report indicated that magnesium (Mg) deficiency increased molybdenum (Mo) concentration in the rat liver, suggesting the possibility that Mg deficiency affects Mo metabolism. Growing male rats were given a control diet or a Mg-deficient diet for 4 weeks. Urine and feces were collected during the second and fourth weeks of the feeding trial. The liver, kidney, spleen, skeletal muscle, and blood were collected at the end of the feeding trial. Mg deficiency did not affect the apparent absorption of Mo, but it reduced urinary excretion of Mo. The retention of Mo tended to be higher in the Mg-deficient group than in the control group. Hepatic Mo concentration was higher in the Mg-deficient group than in the control group, but Mg deficiency did not affect Mo concentration in other tissues and plasma. Mg deficiency downregulated the mRNA expression of Mo transporter 2 (MOT2) in the liver, but not in the kidney. These results suggest that Mg deficiency decreases urinary Mo excretion, which is too slight to affect plasma Mo concentration, and that Mg deficiency selectively disturbs the homeostatic mechanism of Mo in the liver, which is not related to the mRNA expression of MOT2 in the liver.
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Affiliation(s)
- Ki Hyun Kim
- Division of Applied Biosciences, Kyoto University Graduate School of Agriculture, Kyoto, Japan
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Mendy A, Gasana J, Vieira ER. Urinary heavy metals and associated medical conditions in the US adult population. INTERNATIONAL JOURNAL OF ENVIRONMENTAL HEALTH RESEARCH 2011; 22:105-18. [PMID: 21854105 DOI: 10.1080/09603123.2011.605877] [Citation(s) in RCA: 52] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
Health effects of heavy metals have been widely investigated, but further evaluation is required to comprehensively delineate their toxicity. Using data from the 2007-2008 National Health and Nutrition Examination Survey, a multivariate logistic regression analysis was performed on 1,857 adults to examine the relationship between urinary heavy metals and various medical conditions. Cardiovascular diseases were correlated to cadmium (OR: 4.94, 95% CI: 1.48-16.56) and lead (OR: 5.32, 95% CI: 1.08-26.21). Asthma was related to tungsten (OR: 1.72, 95% CI: 1.15-2.59) and uranium (OR: 1.52, 95% CI: 1.01-2.28). Hepatotoxicity was associated with molybdenum (OR: 3.09, 95% CI: 1.24-7.73) and uranium (OR: 4.79, 95% CI: 1.74-13.19). Surprising inverse relationships occurred for excessive weight with lead (OR: 0.72, 95% CI: 0.52-0.98), reduced visual acuity with cobalt (OR: 0.65, 95% CI: 0.44-0.95) and cesium (OR: 0.52, 95% CI: 0.35-0.77). This study supports some previous evidence of potential relationships and provides insights for future research.
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Affiliation(s)
- Angelico Mendy
- Department of Epidemiology & Biostatistics, Robert Stempel School of Public Health, Florida International University, Miami, FL, USA
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Herdt TH, Hoff B. The Use of Blood Analysis to Evaluate Trace Mineral Status in Ruminant Livestock. Vet Clin North Am Food Anim Pract 2011; 27:255-83, vii. [DOI: 10.1016/j.cvfa.2011.02.004] [Citation(s) in RCA: 63] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022] Open
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Giussani A. A recycling systemic model for the biokinetics of molybdenum radionuclides. THE SCIENCE OF THE TOTAL ENVIRONMENT 2008; 404:44-55. [PMID: 18640703 DOI: 10.1016/j.scitotenv.2008.06.019] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/20/2007] [Revised: 06/02/2008] [Accepted: 06/06/2008] [Indexed: 05/26/2023]
Abstract
An overview of the available data on molybdenum biokinetics and metabolism in humans is presented, with special emphasis on the results of stable tracer studies conducted in recent years, after the publication of the systemic model for incorporated radionuclides of molybdenum recommended by the International Commission on Radiological Protection (ICRP). On the basis of the presented information, a new structure for a compartmental model of molybdenum biokinetics, including the return of material from the organs back to the systemic circulation, was developed. The structure chosen is a compromise between the attempt to provide a realistic description of the biokinetics and the need to have a simple tool for dose estimation. The model consists of two compartments associated to the extracellulare fluids (blood plasma and interstitial fluids), liver, kidneys, and one generic compartment to represent all other tissues. The possibility of a direct excretion pathway into the urine was introduced, in order to correctly describe the rapid excretion as observed in the human studies. Reference values of the model parameters have been estimated taking into consideration that the amounts of radioactive molybdenum accidentally incorporated are negligible in comparison to the daily dietary intake of stable molybdenum.
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Affiliation(s)
- Augusto Giussani
- Helmholtz Zentrum München -- German Research Center for Environmental Health, Institute of Radiation Protection, Ingolstädter Landstr. 1, 85764 Neuherberg, Germany.
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Anke M, Seifert M, Holzinger S, Müller R, Schäfer U. The biological and toxicological importance of molybdenum in the environment and in the nutrition of plants, animals and man. Part 2: Molybdenum in animals and man. ACTA BIOLOGICA HUNGARICA 2007; 58:325-33. [PMID: 17899789 DOI: 10.1556/abiol.58.2007.3.8] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Molluscs and insects accumulate between 200 and 1050 microg Mo/kg of dry matter. Mice and vole species incorporate 350-650 microg Mo/kg, whereas shrews store 1500-2500 microg Mo/kg, i.e. insectivores have significantly higher molybdenum contents than rodents. The amounts of molybdenum accumulated by wild and domestic mammals are highest in the liver and kidneys, and lowest in muscle tissue and hair. The molybdenum status of mammals is reflected by all tissues tested except the heart. The best indicators of molybdenum deficiency and intoxication are liver, kidneys, blood and milk. The intrauterine storage of molybdenum in mammals is low. The milk delivers sufficient molybdenum amounts to the newborns. In man, the transfer of molybdenum follows the same rules as those found in mammals.
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Affiliation(s)
- M Anke
- Institute of Nutrition and Environment, Friedrich Schiller University of Jena, Am Steiger 12, D-07743 Jena, Germany.
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Burguera JL, Burguera M. Molybdenum in human whole blood of adult residents of the Merida State (Venezuela). J Trace Elem Med Biol 2007; 21:178-83. [PMID: 17697956 DOI: 10.1016/j.jtemb.2007.03.005] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/31/2007] [Revised: 03/14/2007] [Accepted: 03/16/2007] [Indexed: 10/23/2022]
Abstract
The concentration of molybdenum was measured in whole blood samples of 418 (244 males and 174 females) apparently normal donors ranging in age from 18 to 27-years old and living in nine different locations in the Mérida State (Venezuela). The geometric mean concentration of molybdenum of 418 subjects was of 2.66+/-0.66 microgL(-1) (range: 1.20-4.80 microgL(-1)). The levels of molybdenum in whole blood samples found in this work were of 2.57+/-0.52 and 2.54+/-0.51 (range: 1.20-4.80 and 1.40-4.20) microgL(-1) for males and females, respectively. The data of the content molybdenum in whole blood had no statistical correlation with age, sex or height above the sea level of the sampling sites. However, there was a tendency to decrease the levels of the element in those sampling sites located in highlands (> or = 1900 m above the sea level). This variability may be due to the source of molybdenum from the soil to the food chain that has affected its levels in donors from these areas under study. The results of this study are compared with values previously reported for subjects studied in other populations.
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Affiliation(s)
- José L Burguera
- Department of Chemistry, Faculty of Sciences, University of Los Andes, Mérida, Venezuela.
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Abstract
The objectives of this study were to determine physiologic adaptations that occur when humans are exposed to a wide range of molybdenum intake levels and to identify the pathways that are influenced by dietary intake. Four males consumed each of 5 daily molybdenum intakes of 22, 72, 121, 467, and 1490 microg/d (0.23, 0.75, 1.3, 4.9, and 15.5 micromol/d) for 24 d each. During each treatment period, oral and intravenous doses of (100)Mo and (97)Mo were administered. Serial plasma, urine, and fecal samples were analyzed for labeled and unlabeled molybdenum. Compartmental modeling was used to determine rates of distribution and elimination at each dietary intake level. Three pathways were sensitive to daily molybdenum intake. With increasing intake, absorption and urinary molybdenum excretion increased, whereas the fraction deposited in tissues decreased. Kinetic analysis suggested a daily intake of 115-120 microg/d (1.20-1.25 micromol/d) would maintain initial plasma molybdenum levels at their prestudy values and that their prestudy dietary intake was well above the Recommended Dietary Allowance of 45 microg/d. The physiological adaptations to changing intake that the model demonstrated may help prevent molybdenum deficiency and toxicity.
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Affiliation(s)
- Janet A Novotny
- USDA Agricultural Research Service, Beltsville Human Nutrition Research Center, Beltsville, MD 20705, USA.
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Novotny JA, Turnlund JR. Molybdenum kinetics in men differ during molybdenum depletion and repletion. J Nutr 2006; 136:953-7. [PMID: 16549456 DOI: 10.1093/jn/136.4.953] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
In this study we developed an expanded compartmental model of molybdenum (Mo) kinetics to determine rates of molybdenum distribution during molybdenum depletion and repletion. The model was based on a clinical study in which 4 men consumed a low-molybdenum diet of 22 microg/d (0.23 micromol/d) for 102 d, followed by a high molybdenum diet of 467 microg/d (4.9 micromol/d) for 18 d. Stable isotopes 100Mo and 97Mo were administered orally and intravenously, respectively, at several time points during the study, and serial samples of plasma, urine, and feces were analyzed for 100Mo, 97Mo, and total Mo. Based on plasma, urine, and fecal molybdenum levels, kinetic parameters of distribution and elimination were determined. The rates of molybdenum distribution and elimination were different during depletion and repletion. During high intake, urinary molybdenum excretion was greater than during low intake. In addition, fractional tissue storage of molybdenum was lower during high intake than during low intake. This suggests that low intake results in an adaptation to conserve body Mo, and that high intake results in an adaptation to eliminate Mo. The model also suggested that food-bound molybdenum was approximately 16% less bioavailable than purified Mo. Finally, under the conditions of this study, the model suggested that an intake of 43 microg/d (0.45 micromol/d) would be sufficient to maintain plasma molybdenum levels at steady state. This is a minimum estimate because subjects in this study were in a molybdenum-sparing state. These findings provide an understanding of the adaptations in molybdenum metabolism that take place during depletion and repletion.
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Affiliation(s)
- Janet A Novotny
- U.S. Department of Agriculture, Agricultural Research Service, Western Human Nutrition Research Center, Beltsville, MD 20705, USA.
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Yoshida M, Ota S, Fukunaga K, Nishiyama T. Serum molybdenum concentration in healthy Japanese adults determined by inductively coupled plasma-mass spectrometry. J Trace Elem Med Biol 2006; 20:19-23. [PMID: 16632172 DOI: 10.1016/j.jtemb.2005.10.003] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/11/2005] [Accepted: 10/14/2005] [Indexed: 11/26/2022]
Abstract
The serum molybdenum (Mo) concentrations in 70 Japanese adults (35 males and 35 females) not receiving any medical care or treatment were determined by inductively coupled plasma-mass spectrometry. Serum Mo concentration in the subjects ranged from <0.1 to 9.11 ng/mL. More than half (55.7%) of the subjects showed values of less than 1 ng/mL and only 6 (8.6%) subjects showed more than 2 ng/mL. The mean+/-SD, geometrical mean (GM), range of GM+/-geometrical SD (GSD) and median value were 1.21+/-1.34, 0.81, 0.30 to 2.16, and 0.90 ng/mL, respectively. Among age, body mass index and several serum biochemical values, activities of aspartate aminotransferase and alanine aminotransferase showed significant associations with serum Mo; 15 subjects suspected of having liver dysfunction showed significantly higher serum Mo than others. We propose a range of 0.10-4.73 ng/mL, estimated as a range of GM+/-2GSD of serum Mo in the remaining 55 subjects without liver dysfunction, as a reference range of serum Mo in Japanese healthy adults.
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Affiliation(s)
- Munehiro Yoshida
- Laboratory of Food and Nutritional Sciences, Faculty of Engineering, Kansai University, Yamate 3-3-35 Suita, Osaka 564-8680, Japan.
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