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Król E, Bogdański P, Suliburska J, Krejpcio Z. The Relationship between Dietary, Serum and Hair Levels of Minerals (Fe, Zn, Cu) and Glucose Metabolism Indices in Obese Type 2 Diabetic Patients. Biol Trace Elem Res 2019; 189:34-44. [PMID: 30091069 PMCID: PMC6443611 DOI: 10.1007/s12011-018-1470-3] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/28/2018] [Accepted: 08/01/2018] [Indexed: 12/11/2022]
Abstract
The aim of this study was to assess the levels of Zn, Fe and Cu in the serum and hair, and dietary intake of type 2 diabetic patients and their association with glucose and lipid indices. The study was conducted on 62 people aged 40-78 years (31 diabetic patients and 31 healthy subjects, who were the control group). The content of trace elements in the hair and serum was analysed with the AAS method. The serum insulin, HbA1c, glucose, total cholesterol and triacylglycerol concentrations were measured by means of RIA, HPLC and colorimetric methods, respectively. The diabetic patients were found to have significantly higher dietary iron intake, higher hair Fe and lower serum Zn concentrations than the non-diabetic subjects, while the hair Zn and Cu contents were comparable in both groups. The serum Zn and Cu levels of the diabetic subjects were negatively correlated with the serum glucose, the serum Zn and Cu/Zn ratio was inversely correlated with the serum total cholesterol and the serum insulin level was positively associated with the hair Cu/Zn ratio. The results of this study indicate that the trace element status (Zn, Fe, Cu), as reflected in the blood serum and hair, may be disturbed due to metabolic derangement occurring in diabetes.
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Affiliation(s)
- Ewelina Król
- Institute of Human Nutrition and Dietetics, Poznan University of Life Sciences, 31 Wojska Polskiego, 60-624, Poznan, Poland.
| | - Paweł Bogdański
- Department of Internal Medicine, Metabolic Disorders and Hypertension, Poznan University of Medical Sciences, 84 Szamarzewskiego, 60-569, Poznan, Poland
| | - Joanna Suliburska
- Institute of Human Nutrition and Dietetics, Poznan University of Life Sciences, 31 Wojska Polskiego, 60-624, Poznan, Poland
| | - Zbigniew Krejpcio
- Institute of Human Nutrition and Dietetics, Poznan University of Life Sciences, 31 Wojska Polskiego, 60-624, Poznan, Poland
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102
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Khare P, Chauhan A, Kumar V, Kaur J, Mahajan N, Kumar V, Gesing A, Chopra K, Kondepudi KK, Bishnoi M. Bioavailable Menthol (Transient Receptor Potential Melastatin-8 Agonist) Induces Energy Expending Phenotype in Differentiating Adipocytes. Cells 2019; 8:E383. [PMID: 31027377 PMCID: PMC6562930 DOI: 10.3390/cells8050383] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2018] [Revised: 03/12/2019] [Accepted: 03/19/2019] [Indexed: 12/13/2022] Open
Abstract
Recent evidence supports the role of menthol, a TRPM8 agonist, in enhanced energy expenditure, thermogenesis and BAT-like activity in classical WAT depots in a TRPM8 dependent and independent manner. The present study was designed to analyse whether oral and topical administration of menthol is bioavailable at subcutaneous adipose tissue and is sufficient to directlyinduce desired energy expenditure effects. GC-FID was performed to study menthol bioavailability in serum and subcutaneous white adipose tissue following oral and topical administration. Further, 3T3L1 adipocytes were treated with bioavailable menthol doses and different parameters (lipid accumulation, "browning/brite" and energy expenditure gene expression, metal analysis, mitochondrial complex's gene expression) were studied. No difference was observed in serum levels but significant difference was seen in the menthol concentration on subcutaneous adipose tissues after oral and topical application. Menthol administration at bioavailable doses significantly increased "browning/brite" and energy expenditure phenotype, enhanced mitochondrial activity related gene expression, increased metal concentration during adipogenesis but did not alter the lipid accumulation as well as acute experiments were performed with lower dose of menthol on mature adipocytes In conclusion, the present study provides evidence that bioavailable menthol after single oral and topical administration is sufficient to induce "brite" phenotype in subcutaneous adipose tissue However, critical dose characterization for its clinical utility is required.
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Affiliation(s)
- Pragyanshu Khare
- National Agri-Food Biotechnology Institute (NABI), Knowledge City-Sector 81, SAS Nagar, Punjab 140603, India.
- Pharmacology Division, University Institute of Pharmaceutical Sciences (UIPS), Panjab University, Chandigarh 160014, India.
- Department of Pharmacology & Toxicology, National Institute of Pharmaceutical Education and Research (NIPER)-Raebareli, Transit campus Lucknow, Uttar Pradesh 226301, India.
| | - Aakriti Chauhan
- National Agri-Food Biotechnology Institute (NABI), Knowledge City-Sector 81, SAS Nagar, Punjab 140603, India.
| | - Vibhu Kumar
- National Agri-Food Biotechnology Institute (NABI), Knowledge City-Sector 81, SAS Nagar, Punjab 140603, India.
| | - Jasleen Kaur
- National Agri-Food Biotechnology Institute (NABI), Knowledge City-Sector 81, SAS Nagar, Punjab 140603, India.
| | - Neha Mahajan
- National Agri-Food Biotechnology Institute (NABI), Knowledge City-Sector 81, SAS Nagar, Punjab 140603, India.
- Regional Centre for Biotechnology, Faridabad-Gurgaon expressway, Faridabad, Haryana 121001, India.
| | - Vijay Kumar
- National Agri-Food Biotechnology Institute (NABI), Knowledge City-Sector 81, SAS Nagar, Punjab 140603, India.
- Department of Biotechnology, Panjab University, Sector-25, Chandigarh 160014, India.
| | - Adam Gesing
- Department of Endocrinology of Ageing, Medical University of Lodz, Zeligowski St, No 7/9, 90-752 Lodz, Poland.
| | - Kanwaljit Chopra
- Pharmacology Division, University Institute of Pharmaceutical Sciences (UIPS), Panjab University, Chandigarh 160014, India.
| | - Kanthi Kiran Kondepudi
- National Agri-Food Biotechnology Institute (NABI), Knowledge City-Sector 81, SAS Nagar, Punjab 140603, India.
| | - Mahendra Bishnoi
- National Agri-Food Biotechnology Institute (NABI), Knowledge City-Sector 81, SAS Nagar, Punjab 140603, India.
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103
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Gad El-Hak HN, Mobarak YM. The neurotoxic impact of subchronic exposure of male rats to copper oxychloride. J Trace Elem Med Biol 2019; 52:186-191. [PMID: 30732881 DOI: 10.1016/j.jtemb.2018.12.015] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/20/2018] [Revised: 12/14/2018] [Accepted: 12/29/2018] [Indexed: 11/22/2022]
Abstract
BACKGROUND The target of this animal study was to clarify the influence of Copper oxychloride (COC) (at concentrations of 50, 100 and 200 mg/kg b.wt.) administration for ninety days on the brain tissues to evaluate its possible neurotoxicity. METHODS Thirty male albino rats were divided up into control and four experimental groups. Group-II (rats were fed corn oil daily through oral gavage) and Group-III-A, Group-III-B, Group-III-C (rats were fed orally with COC in a dosage of 50 mg/kg, 100 mg/kg and 200 mg/kg b.wt., respectively, daily for ninety days. Various biochemical analyses and histopathological assessment of rat forebrain were investigated. RESULTS the brains of the treated rats at the three chosen doses of COC recorded a significant (p≤0.05) elevation of lipid peroxidation. The measured brain lactate dehydrogenase (LDH) revealed non significant (p ≥ 0.05) differences among the studied groups. Besides, there was a significant (p < 0.05) decrease in the brain manganese concentration (Mn) of COC treated rats. In addition, there were significant (p< 0.05) increase in zinc (Zn) brain concentration and non significant change in copper (Cu) brain concentration among groups. The brain, cerebrum showed marked histopathological damage than cerebellum. The cerebral cortex of COC treated animals exhibited severe degenerative changes. CONCLUSION The present results concluded that consumption of food contaminated even with modest amount of COC can enter the brain barrier resulted in neurotoxicity in the brain of albino rats.
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Affiliation(s)
- Heba N Gad El-Hak
- Zoology Department, Faculty of Science, Suez Canal University, Ismailia, Egypt.
| | - Yomn M Mobarak
- Zoology Department, Faculty of Science, Suez University, Suez, Egypt.
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104
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Comparison of Chromium and Iron Distribution in Serum and Urine among Healthy People and Prediabetes and Diabetes Patients. BIOMED RESEARCH INTERNATIONAL 2019; 2019:3801639. [PMID: 30915353 PMCID: PMC6409039 DOI: 10.1155/2019/3801639] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/19/2018] [Accepted: 02/10/2019] [Indexed: 12/23/2022]
Abstract
The effect of chromium (Cr) and iron (Fe) on prevalence of diabetes has received great attention. This study investigated serum and urinary Cr and Fe levels among patients with impaired fasting glucose (IFG), impaired glucose tolerance (IGT), type 1 diabetes (T1D), and type 2 diabetes (T2D) in the Northeast Chinese population. From January 2010 to October 2011, patients with IFG (n=12), IGT (n=15), T1D (n=25), T2D (n=137) and healthy controls (n=50) were enrolled in the First Hospital of Jilin University. Trace elements were detected using an inductively coupled plasma spectrometer. Serum Cr levels decreased in T2D without complications, diabetic retinopathy (DR), diabetic peripheral neuropathy (DPN), and diabetic nephropathy (DN) (P<0.05). The urinary Cr level in T1D was the highest of all, which significantly exceeded those of the T2D groups with and without complications. No significant differences of serum Fe levels were found among all groups. The urinary Fe level of T1D was significantly increased (P<0.05). The correlation between serum Cr and serum Fe in T2D was obviously positive (P<0.05). One month of simvastatin therapy exerted no effects on serum or urinary Cr and Fe levels. These results suggest the potential role of Cr and Fe in diabetes should receive attention.
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105
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Ogasawara H, Hayasaka M, Maemoto A, Furukawa S, Ito T, Kimura O, Endo T. Stable isotope ratios of carbon, nitrogen and selenium concentration in the scalp hair of Crohn's disease patients who ingested the elemental diet Elental ®. RAPID COMMUNICATIONS IN MASS SPECTROMETRY : RCM 2019; 33:41-48. [PMID: 30280438 DOI: 10.1002/rcm.8296] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/07/2018] [Revised: 09/14/2018] [Accepted: 09/15/2018] [Indexed: 06/08/2023]
Abstract
RATIONALE Elental® is an elemental diet widely used as a nutritional supplement for Crohn's disease (CD) patients in Japan. Elental® contains amino acids as nitrogen sources and does not contain selenium (Se), and the δ13 C and δ15 N values of Elental® are markedly higher and lower, respectively, than those of a normal diet. METHODS We compared the δ13 C and δ15 N values and Se concentration in the scalp hair of CD patients with those of control subjects who ate a regular diet, and estimated the amount of Elental® ingested as a supplement. The δ13 C and δ15 N values and the Se concentrations were quantified using isotope ratio mass spectrometry (IRMS) and inductively coupled plasma mass spectrometry (ICP-MS), respectively. RESULTS An increase in Elental® ingestion increased the δ13 C value in the hair of CD patients (p <0.05), while it reduced the δ15 N value (p <0.05) and tended to reduce the Se concentration in female patients. CONCLUSIONS The amount of Elental® ingested could be estimated by the δ13 C and δ15 N values in the hair of CD patients. Furthermore, the Se deficiency in female patients may be predicted from the δ13 C and δ15 N values.
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Affiliation(s)
- Hideki Ogasawara
- Kashiwaba Neurosurgical Hospital, E1-15-20, Tsukisamu, Toyohira-Ku, Sapporo, Hokkaido, 062-8513, Japan
| | - Moriaki Hayasaka
- Sapporo Higashi Tokushukai Hospital, N33-E14, Higashi-Ku, Sapporo, Hokkaido, 065-0033, Japan
| | - Atsuo Maemoto
- Sapporo Higashi Tokushukai Hospital, N33-E14, Higashi-Ku, Sapporo, Hokkaido, 065-0033, Japan
| | - Shigeru Furukawa
- Sapporo Higashi Tokushukai Hospital, N33-E14, Higashi-Ku, Sapporo, Hokkaido, 065-0033, Japan
| | - Takahiro Ito
- Sapporo Higashi Tokushukai Hospital, N33-E14, Higashi-Ku, Sapporo, Hokkaido, 065-0033, Japan
| | - Osamu Kimura
- School of Pharmaceutical Sciences, Health Sciences University of Hokkaido, 1757, Kanazawa, Ishikari-Tobetsu, Hokkaido, 061-0293, Japan
| | - Tetsuya Endo
- School of Pharmaceutical Sciences, Health Sciences University of Hokkaido, 1757, Kanazawa, Ishikari-Tobetsu, Hokkaido, 061-0293, Japan
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106
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Thomas B, Prasad BR, Kumari NS, Radhakrishna V, Ramesh A. A comparative evaluation of the micronutrient profile in the serum of diabetes mellitus Type II patients and healthy individuals with periodontitis. J Indian Soc Periodontol 2019; 23:12-20. [PMID: 30692737 PMCID: PMC6334553 DOI: 10.4103/jisp.jisp_398_18] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
Background Micronutrients play an important part in metabolism and maintenance of tissue function the maintenance of the integrity and vitality of the periodontal tissues depends on the availability of adequate nutrients, and it is possible that deficiencies can produce pathological alterations in the periodontal tissues. However, the association between nutritional factors and periodontal health is not fully understood. The essential micronutrients for maintaining health include zinc, copper, selenium, and iron. These micronutrients are required for a variety of biomolecules to maintain the normal structure, function, and proliferation of cells and also immune functions. Periodontal disease and diabetes mellitus (DM) are considered to have a bidirectional relationship, and periodontitis is recognized as the 6th major complication of DM. The number of studies on the role of micronutrients with regard to periodontal disease is limited. Aims This study aims to evaluate the role of micronutrients-zinc, copper, selenium, and iron, in the serum of chronic periodontitis patients and chronic periodontitis with DM Type II patients, to see whether they can serve as potential markers for chronic periodontitis and also to assess whether periodontitis can have systemic effects. Materials and Methods A volume of 5 ml of venous blood was collected from each of the study participants, from the antecubital vein. The blood was then centrifuged and stored at -20°C before being analyzed. Zinc, copper, and selenium were estimated by the atomic absorption spectrophotometry, bathophenanthroline method was used to estimate iron. Statistical Analysis It was carried out using Student's t-test and analysis of variance. The honestly significant difference Tukey test and Pearson's correlation was also used. Results The mean serum zinc levels were significantly higher in healthy controls as compared to Periodontitis and Periodontitis with DM type II. The mean serum copper levels were significantly higher in Periodontitis with diabetes as compared to controls and periodontitis. Serum selenium levels were significantly higher in controls as compared to periodontitis with diabetes. The mean serum iron levels were significantly higher in periodontitis with diabetes. The Zinc: Copper (Zn: Cu) ratio was found to be significant for the periodontitis with diabetes group. Conclusion The results obtained from this study suggests that the serum levels of micronutrients Zn and Se were decreased and levels of Cu and Fe are increased in chronic periodontitis as compared to healthy control. There was a potentiated difference in the values in patients with DM Type II. The results show that the levels of these micronutrients can be used as effective biomarkers for chronic periodontitis and that periodontitis has systemic manifestations.
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Affiliation(s)
- Biju Thomas
- Department of Periodontics, A B Shetty Memorial Institute of Dental Sciences, Nitte University, Mangalore, Karnataka, India
| | - Ballamajalu Rajendra Prasad
- Department of Oral and Maxillofacial Surgery, A B Shetty Memorial Institute of Dental Sciences, Nitte University, Mangalore, Karnataka, India
| | - Nallilu Suchetha Kumari
- Department of Biochemistry, K S Hegde Medical Academy, Nitte University, Mangalore, Karnataka, India
| | - Vishakh Radhakrishna
- Department of Biochemistry, Central Research Laboratory, Nitte University, Mangalore, Karnataka, India
| | - Amitha Ramesh
- Department of Periodontics, A B Shetty Memorial Institute of Dental Sciences, Nitte University, Mangalore, Karnataka, India
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107
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Dover EN, Patel NY, Stýblo M. Impact of in vitro heavy metal exposure on pancreatic β-cell function. Toxicol Lett 2018; 299:137-144. [PMID: 30300733 PMCID: PMC6214754 DOI: 10.1016/j.toxlet.2018.09.015] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2018] [Revised: 09/12/2018] [Accepted: 09/28/2018] [Indexed: 11/24/2022]
Abstract
Susceptibility to type-2 diabetes mellitus (DM) is determined, in part, by a variety of environmental factors, including exposure to metals. Heavy metals including inorganic arsenic (iAs), zinc (Zn), manganese (Mn), and cadmium (Cd) have been reported to affect glucose homeostasis or DM risk in population-based and/or laboratory studies. Previous evidence from our lab has shown that iAs can increase DM risk by impairing mitochondrial metabolism, one of the key steps in the regulation of glucose-stimulated insulin secretion (GSIS) in pancreatic β-cells. The goal of the current study was to compare the effects of iAs on GSIS and mitochondrial function in INS-1 832/13 β-cells with those of Cd, Mn, and Zn, and to evaluate effects of binary mixtures of these metals. As expected, 24-hour exposure to iAs (arsenite, ≥1 μM) significantly inhibited GSIS as did Cd (5 μM) and Mn (12.5, 25, or 50 μM). Zn had no effects on GSIS at concentrations up to 50 μM. Mitochondrial function was assessed by measuring oxygen consumption rate (OCR) after glucose stimulation and during simulated mitochondrial stress. While both iAs and Mn impaired mitochondrial function (inhibiting OCR, maximal respiration, and/or spare respiratory capacity of mitochondria), no significant effects were found in cells exposed to Cd. Interestingly, no additive or synergistic effects on GSIS or OCR were observed in binary mixtures of iAs with either Mn or Cd. These data suggest that Mn, like iAs, may inhibit GSIS by impairing mitochondrial function, whereas Cd may target other mechanisms that regulate GSIS in β-cells.
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Affiliation(s)
- E Nicole Dover
- Curriculum in Toxicology, School of Medicine, University of North Carolina, Chapel Hill, NC, USA
| | - Naishal Y Patel
- Department of Nutrition, Gillings School of Global Public Health, University of North Carolina, Chapel Hill, NC, USA
| | - Miroslav Stýblo
- Department of Nutrition, Gillings School of Global Public Health, University of North Carolina, Chapel Hill, NC, USA.
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108
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Dudek-Adamska D, Lech T, Konopka T, Kościelniak P. Chromium in Postmortem Material. Biol Trace Elem Res 2018; 186:370-378. [PMID: 29667120 PMCID: PMC6208851 DOI: 10.1007/s12011-018-1328-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/11/2017] [Accepted: 03/26/2018] [Indexed: 12/30/2022]
Abstract
Recently, considerable attention has been paid to the negative effects caused by the presence and constant increase in concentration of heavy metals in the environment, as well as to the determination of their content in human biological samples. In this paper, the concentration of chromium in samples of blood and internal organs collected at autopsy from 21 female and 39 male non-occupationally exposed subjects is presented. Elemental analysis was carried out by an electrothermal atomic absorption spectrometer after microwave-assisted acid digestion. Reference ranges of chromium in the blood, brain, stomach, liver, kidneys, lungs, and heart (wet weight) in the population of Southern Poland were found to be 0.11-16.4 ng/mL, 4.7-136 ng/g, 6.1-76.4 ng/g, 11-506 ng/g, 2.9-298 ng/g, 13-798 ng/g, and 3.6-320 ng/g, respectively.
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Affiliation(s)
- Danuta Dudek-Adamska
- Department of Analytical Chemistry, Faculty of Chemistry of the Jagiellonian University, Gronostajowa 2, 30-387 Kraków, Poland
| | - Teresa Lech
- Institute of Forensic Research, Westerplatte 9, 31-033 Kraków, Poland
| | - Tomasz Konopka
- Department of Forensic Medicine, Jagiellonian University Medical College, Grzegórzecka 6, 31-531 Kraków, Poland
| | - Paweł Kościelniak
- Department of Analytical Chemistry, Faculty of Chemistry of the Jagiellonian University, Gronostajowa 2, 30-387 Kraków, Poland
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109
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Investigation of manganese(II)-insulin complexes using electrospray ionization mass spectrometry. Int J Biol Macromol 2018; 120:557-565. [DOI: 10.1016/j.ijbiomac.2018.08.122] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2018] [Revised: 08/11/2018] [Accepted: 08/23/2018] [Indexed: 11/23/2022]
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110
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Lin CC, Shih CT, Lee CH, Huang YL. Changes in Trace Elements During Early Stages of Chronic Kidney Disease in Type 2 Diabetic Patients. Biol Trace Elem Res 2018; 186:330-336. [PMID: 29589268 DOI: 10.1007/s12011-018-1314-1] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/20/2018] [Accepted: 03/19/2018] [Indexed: 01/20/2023]
Abstract
Trace elements can influence glucose metabolism and be related to oxidative stress in type 2 diabetes mellitus. Moreover, trace elements play important roles in the nephrotic complications of these patients. Nevertheless, few investigations have been made into the changes in the levels of trace elements in diabetic patients at various stages of chronic kidney disease (CKD). The aims of this present study were to determine the levels of some important trace elements in diabetic patients during the early stages of CKD and to identify the relationship between these elements and CKD progression in type 2 diabetic patients. One hundred and forty-eight type 2 diabetic patients with chronic kidney diseases were recruited into this study. The subjects were grouped into four stages (1, 2, 3a, 3b) of CKD, according to their urine protein levels and estimated glomerular filtration rates (eGFRs). The levels of serum zinc and iron exhibited a statistically significant decreasing trend (P trend = 0.032 and 0.047, respectively) from stage 1 to stage 3b after adjustment for age, gender, smoking, alcohol consumption, education, hypertension, and body mass index. The other tested elements, including copper, magnesium, selenium, chromium, and manganese, did not display any significant trends upon proceeding from stage 1 to stage 3b. Thus, serum zinc and iron appear to be useful markers when evaluating the early progression of CKD in type 2 diabetic patients.
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Affiliation(s)
- Ching-Chiang Lin
- Department of Medical Laboratory Science and Biotechnology, Fooyin University, Kaohsiung, Taiwan
- Department of Education and Research, Fooyin University Hospital, Pingtung, Taiwan
| | - Ching-Tang Shih
- Department of Family Medicine, Fooyin University Hospital, Pingtung, Taiwan
| | - Chien-Hung Lee
- Department of Public Health and Environmental Medicine Research Center, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Yeou-Lih Huang
- Department of Medical Laboratory Science and Biotechnology, College of Health Sciences, Kaohsiung Medical University, Kaohsiung, Taiwan.
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan.
- Department of Chemistry, National Sun Yat-sen University, Kaohsiung, Taiwan.
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111
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Penezić AZ, Aćimović JM, Pavićević ID, Jovanović VB, Takić M, Mandić LM. The interplay between copper(II), human serum albumin, fatty acids, and carbonylating agent interferes with Cys 34 thiol reactivity and copper binding. J Biol Inorg Chem 2018; 24:61-70. [PMID: 30456476 DOI: 10.1007/s00775-018-1628-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2018] [Accepted: 11/13/2018] [Indexed: 12/12/2022]
Abstract
Cys34 thiol group of human serum albumin (HSA) represents major plasma antioxidant. Its reactivity is influenced by multiple factors. The influence of fatty acids (FA; saturated, mono, and poly unsaturated acids from fish oil) binding to HSA, on copper(II) binding affinity and Cys34 thiol group accessibility/reactivity, in the presence of carbonylation agent (methylglyoxal, MG) was examined. HSA-copper(II) content, thiol group reactivity, and HSA carbonylation level were monitored spectrophotometrically. Changes in HSA were followed by fluorescence spectroscopy and native PAG electrophoresis. FA/HSA molar ratio was screened by GC. Together, binding of copper(II) ions and FA to HSA increase the reactivity of Cys34 thiol group (depending on the type of FA), with constant contribution of copper(II) ions of one-third. Carbonylation of FA-HSA-Cu(II) complexes caused a decrease in the Cys34 thiol group content, accompanied by a decrease in the content of HSA-bound copper. The carbonylation level of guanidine groups was not affected by FAs and copper(II) binding. Fluorescent emission spectra of FA-HSA-Cu(II)-MG complexes showed conformational changes in HSA molecule. Although binding of fatty acids and copper ions caused a significant increase in the thiol group reactivity, Cys34 thiol from FA-HSA-Cu(II) complexes reacted with MG in smaller extent than expected, probably as a consequence of conformational changes introduced by carbonylation. Increase in the percentage of reacted-free thiol groups with MG (due to FA and copper binding) may not seem to be very significant, but it is very important in complex biological systems, where catalytic metal is present.
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Affiliation(s)
- Ana Z Penezić
- Institute for the Application of Nuclear Energy, INEP, Banatska 31b, 11000, Belgrade, Serbia.
| | - Jelena M Aćimović
- Faculty of Chemistry, University of Belgrade, Studentski trg 12-16, 11000, Belgrade, Serbia
| | - Ivan D Pavićević
- Faculty of Chemistry, University of Belgrade, Studentski trg 12-16, 11000, Belgrade, Serbia
| | - Vesna B Jovanović
- Faculty of Chemistry, University of Belgrade, Studentski trg 12-16, 11000, Belgrade, Serbia
| | - Marija Takić
- Laboratory for Nutrition and Metabolism, Institute for Medical Research, University of Belgrade, Belgrade, Serbia
| | - Ljuba M Mandić
- Faculty of Chemistry, University of Belgrade, Studentski trg 12-16, 11000, Belgrade, Serbia
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112
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Yalçın SS, Fırat MÇ, Tosun E, Yalçın S. A possible etiological factor in obesity: element status in blood and tooth of overweight versus normal-weight children. INTERNATIONAL JOURNAL OF ENVIRONMENTAL HEALTH RESEARCH 2018; 29:1-13. [PMID: 30318909 DOI: 10.1080/09603123.2018.1531115] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/28/2018] [Accepted: 09/28/2018] [Indexed: 06/08/2023]
Abstract
We aimed to assess element status in whole blood and tooth dentin and identify their correlations in overweight or obese children without additional metabolic risk factors. In a case-control study, 40 overweight and 80 normal weight children aged 6-10 years were enrolled. Samples of blood and tooth were collected. While all studied elements were similar in groups in univariate analysis, after adjustment for confounding factors, tooth Mn levels were lower and blood Zn levels were higher in the overweight/obese group (p = 0.049 and p = 0.032, respectively). A significant correlation in blood and tooth dentin levels of Sr and Zn was detected in both groups. In both biological substances, the concentrations of elements did not differ significantly in overweight children without metabolic comorbidities compared to healthy children of normal weight. Presence of low Mn levels in tooth dentin and high Zn levels in blood samples should be explored in further studies.
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Affiliation(s)
- Sıddıka Songül Yalçın
- a Department of Pediatrics, Faculty of Medicine , Hacettepe University , Ankara , Turkey
| | - Merve Çiçek Fırat
- a Department of Pediatrics, Faculty of Medicine , Hacettepe University , Ankara , Turkey
| | - Emre Tosun
- b Department of Oral and Maxillofacial Surgery, Faculty of Dentistry , Hacettepe University , Ankara , Turkey
| | - Suzan Yalçın
- c Department of Food Hygiene and Technology, Faculty of Veterinary Medicine , Selçuk University , Konya , Turkey
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Cabral Pinto MMS, Marinho-Reis AP, Almeida A, Ordens CM, Silva MMVG, Freitas S, Simões MR, Moreira PI, Dinis PA, Diniz ML, Ferreira da Silva EA, Condesso de Melo MT. Human predisposition to cognitive impairment and its relation with environmental exposure to potentially toxic elements. ENVIRONMENTAL GEOCHEMISTRY AND HEALTH 2018; 40:1767-1784. [PMID: 28281140 DOI: 10.1007/s10653-017-9928-3] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/24/2016] [Accepted: 02/27/2017] [Indexed: 06/06/2023]
Abstract
New lines of evidence suggest that less than 10% of neurodegenerative diseases have a strict genetic aetiology and other factors may be prevalent. Environmental exposures to potentially toxic elements appear to be a risk factor for Parkinson's, Alzheimer's and sclerosis diseases. This study proposes a multidisciplinary approach combining neurosciences, psychology and environmental sciences while integrating socio-economic, neuropsychological, environmental and health data. We present the preliminary results of a neuropsychological assessment carried out in elderly residents of the industrial city of Estarreja. A battery of cognitive tests and a personal questionnaire were administered to the participants. Multivariate analysis and multiple linear regression analysis were used to identify potential relationships between the cognitive status of the participants and environmental exposure to potentially toxic elements. The results suggest a relationship between urinary PTEs levels and the incidence of cognitive disorders. They also point towards water consumption habits and profession as relevant factors of exposure. Linear regression models show that aluminium (R 2 = 38%), cadmium (R 2 = 11%) and zinc (R 2 = 6%) are good predictors of the scores of the Mini-Mental State Examination cognitive test. Median contents (µg/l) in groundwater are above admissible levels for drinking water for aluminium (371), iron (860), manganese (250), and zinc (305). While the World Health Organization does not provide health-based reference values for aluminium, results obtained from this study suggest that it may have an important role in the cognitive status of the elderly. Urine proved to be a suitable biomarker of exposure both to elements with low and high excretion rates.
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Affiliation(s)
- Marina M S Cabral Pinto
- Department of Geosciences, Geobiotec Research Centre, University of Aveiro, 3810-193, Aveiro, Portugal.
- CNC-Center for Neuroscience and Cell Biology, Faculty of Medicine, University of Coimbra, 3030-548, Coimbra, Portugal.
- Department of Earth Sciences, University of Coimbra, 3030-790, Coimbra, Portugal.
| | - A Paula Marinho-Reis
- Department of Geosciences, Geobiotec Research Centre, University of Aveiro, 3810-193, Aveiro, Portugal
| | - Agostinho Almeida
- LAQV/REQUIMTE, Department of Chemical Sciences, Laboratory of Applied Chemistry, Faculty of Pharmacy, Porto University, 4050-313, Porto, Portugal
| | - Carlos M Ordens
- University College London Australia, Adelaide, South Australia, 5000, Australia
| | - Maria M V G Silva
- Department of Earth Sciences, University of Coimbra, 3030-790, Coimbra, Portugal
- CEMUC, University of Coimbra, 3030-790, Coimbra, Portugal
| | - Sandra Freitas
- CNC-Center for Neuroscience and Cell Biology, Faculty of Medicine, University of Coimbra, 3030-548, Coimbra, Portugal
- Centro de Investigação do Núcleo de Estudos e Intervenção Cognitivo Comportamental (CINEICC), Universidade de Coimbra, Coimbra, Portugal
| | - Mário R Simões
- Centro de Investigação do Núcleo de Estudos e Intervenção Cognitivo Comportamental (CINEICC), Universidade de Coimbra, Coimbra, Portugal
- Faculdade de Psicologia e de Ciências da Educação da Universidade de Coimbra (FPCE-UC), Coimbra, Portugal
| | - Paula I Moreira
- CNC-Center for Neuroscience and Cell Biology, Faculty of Medicine, University of Coimbra, 3030-548, Coimbra, Portugal
- Laboratory of Physiology, Faculty of Medicine, University of Coimbra, 3000-548, Coimbra, Portugal
| | - Pedro A Dinis
- Department of Earth Sciences, University of Coimbra, 3030-790, Coimbra, Portugal
- MARE - Marine and Environmental Sciences Centre, University of Coimbra, 3030-790, Coimbra, Portugal
| | - M Luísa Diniz
- Department of Geosciences, Geobiotec Research Centre, University of Aveiro, 3810-193, Aveiro, Portugal
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114
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Dąbrowski M, Zioła-Frankowska A, Kubaszewski Ł, Rogala P, Frankowski M. Urban and rural area differences in the interaction between oxidative process elements in human femoral bone. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2018; 25:30475-30487. [PMID: 30168110 DOI: 10.1007/s11356-018-3053-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/30/2018] [Accepted: 08/24/2018] [Indexed: 06/08/2023]
Abstract
Elements in the human body come from contaminated food, water, and air from the living area. Bones are a marker of long-term exposure to elements and show a relationship between them. The aim of the study was to analyze the correlation between the contents of Zn, Cu, Fe, Mo, Cr, Ni, Ba, Sr, and Pb in the proximal femoral head (cancellous bone) and femoral neck (cortical bone) in rural and urban populations. The study included 96 patients who were operated on for total hip replacement (THR), acquired in a surgical procedure with atomic absorption spectrometry, and the content of Zn, Cu, Fe, Mo, Cr, Ni, Ba, Sr, and Pb was evaluated. In rural areas, significant negative correlations were observed for Mo/Cr, Mo/Cu, and Ni/Fe, and positive correlations were observed for Fe/Zn and Pb/Zn. In urban areas, a negative correlation was found for Pb/Mo. Pb and Ni increased with age only in villagers, and Zn and Sr decreased with age in urban citizens. Ba decreased with age in people from rural areas. The correlation showed variances mainly in molybdenum, nickel, and oxidative elements between rural and urban populations.
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Affiliation(s)
- Mikołaj Dąbrowski
- Department of Spondyloortopaedics and Biomechanics of the Spine, W. Dega University Hospital, Poznan University of Medical Sciences, 28 Czerwca 1956 135/147, 61-545, Poznan, Poland.
- Department of Orthopaedics and Traumatology, W. Dega University Hospital, Poznan University of Medical Sciences, 28 Czerwca 1956 135/147, 61-545, Poznan, Poland.
| | - Anetta Zioła-Frankowska
- Faculty of Chemistry, Department of Analytical Chemistry, Adam Mickiewicz University in Poznan, Umultowska 89b, 61-614, Poznan, Poland.
| | - Łukasz Kubaszewski
- Department of Spondyloortopaedics and Biomechanics of the Spine, W. Dega University Hospital, Poznan University of Medical Sciences, 28 Czerwca 1956 135/147, 61-545, Poznan, Poland
- Department of Orthopaedics and Traumatology, W. Dega University Hospital, Poznan University of Medical Sciences, 28 Czerwca 1956 135/147, 61-545, Poznan, Poland
| | - Piotr Rogala
- Department of Spondyloortopaedics and Biomechanics of the Spine, W. Dega University Hospital, Poznan University of Medical Sciences, 28 Czerwca 1956 135/147, 61-545, Poznan, Poland
| | - Marcin Frankowski
- Faculty of Chemistry, Department of Water and Soil Analysis, Adam Mickiewicz University in Poznan, Umultowska 89b, 61-614, Poznan, Poland
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115
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Aslam F, Iqbal S, Nasir M, Anjum AA. White Sesame Seed Oil Mitigates Blood Glucose Level, Reduces Oxidative Stress, and Improves Biomarkers of Hepatic and Renal Function in Participants with Type 2 Diabetes Mellitus. J Am Coll Nutr 2018; 38:235-246. [PMID: 30260748 DOI: 10.1080/07315724.2018.1500183] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
OBJECTIVES The study was designed to investigate the impact of white sesame seed oil (WSSO) consumption on fasting blood glucose (GLU), insulin (INS), glycosylated hemoglobin (HbA1c), and hepatic antioxidant enzymes. A secondary aim was to check the influence on serum biochemistry, hepatic, cardiac, and renal functions. METHODS Forty-six participants with type 2 diabetes were recruited and randomly divided into two equal groups: diabetic control (DCON) and diabetic sesame oil (DSO). At baseline and 30, 60, and 90 days, blood samples were drawn and analyzed. Two-way repeated-measures analysis of variance was used to evaluate the difference between groups and across time. RESULTS In both groups, GLU, INS, and HbA1c were not significantly different at baseline (mean 187.07 ± 5.63 mg/dl, mean 12.12 ± 1.03 μU/ml, and mean 7.55 ± 0.37%, respectively). At 90 days, GLU was significantly (p < 0.05) decreased in DSO (137.83 ± 3.16 mg/dl) when compared with DCON (218.13 ± 5.92 mg/dl), while INS was significantly increased in DSO (23.13 ± 1.15 μU/ml) as compared to DCON (7.93 ± 0.38 μU/ml). At 90 days, HbA1c was significantly lower (p < 0.05) in DSO as compared to DCON. Thiobarbituric acid reactive substances were significantly lower (p < 0.05) in DSO (1.08 ± 0.05 [MDA] nmol/ml) as compared to DCON (2.26 ± 0.07 [MDA] nmol/ml). In DSO, activities of hepatic antioxidant enzymes (superoxide dismutase, catalase, and glutathione peroxidase) increased while in DCON these activities decreased significantly (p < 0.05) across the time period. Biomarkers of liver, cardiac, and renal functions improved significantly in DSO as compared to DCON. CONCLUSION WSSO as a functional food may play an important role in GLU regulation and against deleterious effects of diabetes in humans with type 2 diabetes.
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Affiliation(s)
- Farhan Aslam
- a Department of Food Science and Human Nutrition, Faculty of Bio-Sciences , University of Veterinary and Animal Sciences , Lahore , Pakistan
| | - Sanaullah Iqbal
- a Department of Food Science and Human Nutrition, Faculty of Bio-Sciences , University of Veterinary and Animal Sciences , Lahore , Pakistan
| | - Muhammad Nasir
- a Department of Food Science and Human Nutrition, Faculty of Bio-Sciences , University of Veterinary and Animal Sciences , Lahore , Pakistan
| | - Aftab Ahmad Anjum
- b Department of Microbiology, Faculty of Veterinary Sciences , University of Veterinary and Animal Sciences , Lahore , Pakistan
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Fernández-Cao JC, Warthon-Medina M, Hall Moran V, Arija V, Doepking C, Lowe NM. Dietary zinc intake and whole blood zinc concentration in subjects with type 2 diabetes versus healthy subjects: A systematic review, meta-analysis and meta-regression. J Trace Elem Med Biol 2018; 49:241-251. [PMID: 29452774 DOI: 10.1016/j.jtemb.2018.02.008] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/03/2018] [Revised: 02/02/2018] [Accepted: 02/05/2018] [Indexed: 12/28/2022]
Abstract
The aim of this systematic review, meta-analysis and meta-regression was to examine the relationship between type 2 diabetes mellitus (T2DM) and concentration of zinc in whole blood, as well as dietary zinc intake. Searches were performed using Ovid MEDLINE, Embase (Ovid) and The Cochrane Library (CENTRAL). Observational studies conducted on diabetic and healthy adults, with data on dietary zinc intake and/or concentration of zinc in whole blood, were selected. The search strategy yielded 11,150 publications and the manual search 6, of which 11 were included in the meta-analyses. Mean difference (MD) and 95% confidence interval (CI), were calculated using the generic inverse-variance method with random-effects models. Heterogeneity was assessed by the Cochran Q-statistic and quantified by the I2 statistic. Meta-regressions and stratified analysis were used to examine whether any covariate had influence on the results. The pooled MD for the dietary zinc intake meta-analysis was -0.40 (95% CI: -1.59 to 0.79; I2 = 61.0%). Differences between diabetic and non-diabetic subjects became significant in the presence of complications associated with diabetes (MD = -2.26; 95% CI: -3.49 to -1.02; I2 = 11.9%). Meta-regression showed that for each year since the diagnosis of diabetes the concentration of zinc in whole blood decreased in diabetic patients regarding healthy controls [MD (concentration of zinc in blood) = 732.61 + (-77.88303) × (duration of diabetes in years)], which is not generally explained by a lower intake of zinc.
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Affiliation(s)
- José C Fernández-Cao
- Departamento de Nutrición y Dietética, Facultad de Ciencias de la Salud (Campus Cordillera), Universidad de Atacama, Avda. Copayapu 2862, III Región, 1570000 Copiapó, Chile; Unidad de Nutrición y Salud Pública, Facultad de Medicina y Ciencias de la Salud, Universitat Rovira i Virgili, C/ Sant Llorenç 21, 43201 Reus, Spain.
| | - Marisol Warthon-Medina
- Nutritional Epidemiology Group, School of Food Science and Nutrition, University of Leeds, Woodhouse Ln, Leeds LS2 9JT, UK; International Institute of Nutritional Sciences and Food Safety Studies, University of Central Lancashire, Darwin Building, c/o Psychology School Office, Preston, Lancashire PR1 2HE, UK.
| | - Victoria Hall Moran
- Maternal and Infant Nutrition and Nurture Unit, University of Central Lancashire, Preston PR 1 2HE, UK.
| | - Victoria Arija
- Unidad de Nutrición y Salud Pública, Facultad de Medicina y Ciencias de la Salud, Universitat Rovira i Virgili, C/ Sant Llorenç 21, 43201 Reus, Spain.
| | - Carlos Doepking
- Departamento de Nutrición y Dietética, Facultad de Ciencias de la Salud (Campus Cordillera), Universidad de Atacama, Avda. Copayapu 2862, III Región, 1570000 Copiapó, Chile.
| | - Nicola M Lowe
- International Institute of Nutritional Sciences and Food Safety Studies, University of Central Lancashire, Darwin Building, c/o Psychology School Office, Preston, Lancashire PR1 2HE, UK.
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117
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Du S, Wu X, Han T, Duan W, Liu L, Qi J, Niu Y, Na L, Sun C. Dietary manganese and type 2 diabetes mellitus: two prospective cohort studies in China. Diabetologia 2018; 61:1985-1995. [PMID: 29971528 DOI: 10.1007/s00125-018-4674-3] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/13/2017] [Accepted: 05/24/2018] [Indexed: 12/31/2022]
Abstract
AIMS/HYPOTHESIS The association between dietary Mn and type 2 diabetes is unclear. We aimed to elucidate whether dietary Mn is associated with type 2 diabetes, to investigate whether this association is independent of dietary total antioxidant capacity (TAC) and to explore the underlying mechanisms in their association. METHODS Two prospective cohorts of 3350 and 7133 Chinese adults (20-74 years old) were enrolled including, respectively, 244 and 578 individuals newly diagnosed with type 2 diabetes, with mean values of 4.2 and 5.3 years of follow-up. Cox's proportional-hazards regression and linear regression were performed to investigate the association between dietary Mn and type 2 diabetes (diagnosed by OGTT) or HbAlc and to analyse the joint association between dietary Mn and TAC. Restricted cubic spline (RCS) regression was applied to the non-linear association between dietary Mn and incidence of type 2 diabetes. Mediation analysis was applied to explore potential mediators in their association in a subgroup of 500 participants. RESULTS Dietary Mn intakes were 4.58 ± 1.04 and 4.61 ± 1.08 (mean ± SD) mg/day in the two cohorts. Dietary Mn was inversely associated with type 2 diabetes incidence and HbAlc concentration in both cohorts (ptrend < 0.01 and <0.01 for type 2 diabetes, and ptrend < 0.01 and =0.02 for HbAlc, respectively, in each cohort) independent of TAC, adjusted for age, sex, BMI, tobacco use, alcohol consumption, physical activity, diabetes inheritance, total energy, carbohydrate, total fatty acids, fibre, calcium, Mg, hypertension, hyperlipidaemia, and impaired glucose tolerance or FBG (all at baseline). Their inverse association was stronger in the presence of diets with high, compared with low, TAC. In RCS, intakes of >6.01 and 6.10-6.97 mg/day were associated with a significantly lower type 2 diabetes incidence in the two respective cohorts. Mediation analysis showed that high plasma Mn and low oxidative stress (increased Mn superoxide dismutase and decreased 8-hydroxydeoxyguanosine) contributed to the association between dietary Mn and both type 2 diabetes and HbAlc. CONCLUSIONS/INTERPRETATION Dietary Mn was inversely associated with type 2 diabetes independently of TAC. In addition, this association was stronger in a high- rather than low-TAC diet. Plasma Mn and oxidative stress were mediators in the association between dietary Mn and type 2 diabetes. Future studies on absolute Mn intake should be conducted to study the potential non-linearity and optimal levels of dietary Mn and type 2 diabetes.
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Affiliation(s)
- Shanshan Du
- Department of Nutrition and Food Hygiene, School of Public Health, Harbin Medical University, 157 Baojian Road, Nangang District, Harbin, Heilongjiang Province, 150081, People's Republic of China
| | - Xiaoyan Wu
- Department of Nutrition and Food Hygiene, School of Public Health, Harbin Medical University, 157 Baojian Road, Nangang District, Harbin, Heilongjiang Province, 150081, People's Republic of China
| | - Tianshu Han
- Department of Nutrition and Food Hygiene, School of Public Health, Harbin Medical University, 157 Baojian Road, Nangang District, Harbin, Heilongjiang Province, 150081, People's Republic of China
| | - Wei Duan
- Department of Nutrition and Food Hygiene, School of Public Health, Harbin Medical University, 157 Baojian Road, Nangang District, Harbin, Heilongjiang Province, 150081, People's Republic of China
| | - Lei Liu
- Department of Nutrition and Food Hygiene, School of Public Health, Harbin Medical University, 157 Baojian Road, Nangang District, Harbin, Heilongjiang Province, 150081, People's Republic of China
| | - Jiayue Qi
- Department of Nutrition and Food Hygiene, School of Public Health, Harbin Medical University, 157 Baojian Road, Nangang District, Harbin, Heilongjiang Province, 150081, People's Republic of China
| | - Yucun Niu
- Department of Nutrition and Food Hygiene, School of Public Health, Harbin Medical University, 157 Baojian Road, Nangang District, Harbin, Heilongjiang Province, 150081, People's Republic of China
| | - Lixin Na
- Department of Nutrition and Food Hygiene, School of Public Health, Harbin Medical University, 157 Baojian Road, Nangang District, Harbin, Heilongjiang Province, 150081, People's Republic of China.
| | - Changhao Sun
- Department of Nutrition and Food Hygiene, School of Public Health, Harbin Medical University, 157 Baojian Road, Nangang District, Harbin, Heilongjiang Province, 150081, People's Republic of China.
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Xu M, Tan X, Li N, Wu H, Wang Y, Xie J, Wang J. Differential regulation of estrogen in iron metabolism in astrocytes and neurons. J Cell Physiol 2018; 234:4232-4242. [PMID: 30132882 DOI: 10.1002/jcp.27188] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2018] [Accepted: 07/17/2018] [Indexed: 12/19/2022]
Abstract
Previous studies have demonstrated an effect of estrogen on iron metabolism in peripheral tissues. The role of estrogen on brain iron metabolism is currently unknown. In this study, we investigated the effect and mechanism of estrogen on iron transport proteins. We demonstrated that the iron exporter ferroportin 1 (FPN1) and iron importer divalent metal transporter 1 (DMT1) were upregulated and iron content was decreased after estrogen treatment for 12 hr in primary cultured astrocytes. Hypoxia-inducible factor-1 alpha (HIF-1α) was upregulated, but HIF-2α remained unchanged after estrogen treatment for 12 hr in primary cultured astrocytes. In primary cultured neurons, DMT1 was downregulated, FPN1 was upregulated, iron content decreased, iron regulatory protein (IRP1) was downregulated, but HIF-1α and HIF-2α remained unchanged after estrogen treatment for 12 hr. These results suggest that the regulation of iron metabolism by estrogen in astrocytes and neurons is different. Estrogen increases FPN1 and DMT1 expression by inducing HIF-1α in astrocytes, whereas decreased expression of IRP1 may account for the decreased DMT1 and increased FPN1 expression in neurons.
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Affiliation(s)
- Manman Xu
- Department of Physiology and Pathophysiology, Shandong Provincial Key Laboratory of Pathogenesis and Prevention of Neurological Disorders, Shandong Provincial Collaborative Innovation Center for Neurodegenerative Disorders and State Key Disciplines: Physiology, Medical College of Qingdao University, Qingdao, China
| | - Xu Tan
- Department of Physiology and Pathophysiology, Shandong Provincial Key Laboratory of Pathogenesis and Prevention of Neurological Disorders, Shandong Provincial Collaborative Innovation Center for Neurodegenerative Disorders and State Key Disciplines: Physiology, Medical College of Qingdao University, Qingdao, China
| | - Na Li
- Department of Physiology and Pathophysiology, Shandong Provincial Key Laboratory of Pathogenesis and Prevention of Neurological Disorders, Shandong Provincial Collaborative Innovation Center for Neurodegenerative Disorders and State Key Disciplines: Physiology, Medical College of Qingdao University, Qingdao, China
| | - Hao Wu
- Clinical Medicine of Class Excellence, Grade 2013, Medical College of Qingdao University, Qingdao, China
| | - Yue Wang
- Clinical Medicine of Class 3, Grade 2014, Medical College of Qingdao University, Qingdao, China
| | - Junxia Xie
- Department of Physiology and Pathophysiology, Shandong Provincial Key Laboratory of Pathogenesis and Prevention of Neurological Disorders, Shandong Provincial Collaborative Innovation Center for Neurodegenerative Disorders and State Key Disciplines: Physiology, Medical College of Qingdao University, Qingdao, China
| | - Jun Wang
- Department of Physiology and Pathophysiology, Shandong Provincial Key Laboratory of Pathogenesis and Prevention of Neurological Disorders, Shandong Provincial Collaborative Innovation Center for Neurodegenerative Disorders and State Key Disciplines: Physiology, Medical College of Qingdao University, Qingdao, China
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119
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Verma P, K Sharma A, Shankar H, Sharma A, Rao DN. Role of Trace Elements, Oxidative Stress and Immune System: a Triad in Premature Ovarian Failure. Biol Trace Elem Res 2018; 184:325-333. [PMID: 29181820 DOI: 10.1007/s12011-017-1197-6] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/30/2017] [Accepted: 11/06/2017] [Indexed: 12/18/2022]
Abstract
The risk of premature ovarian failure (POF) increases in association with alteration in immunological parameters and oxidative stress (OS). Adequate intake of trace elements is required for antioxidant property and immune defense mechanism. The aim of this study was to explore the involvement of trace elements, OS, and immunological parameters in POF. This was a cross-sectional, case-control study, involving 65 participants divided into the POF (n = 35) and control (n = 30) groups. Serum levels of Se, Zn, and Cu were determined along with hormonal, OS, and immunological markers. POF group had significantly lower levels of Zn, Cu, Se, and Zn:Cu ratio. However, Se:Cu ratio was not significant between the groups. FSH and LH levels were negatively correlated with Zn and Cu levels and positively correlated with Se levels. Estrogen levels were negatively correlated with all the studied trace elements. Inter-element association between Zn and Se was significant in POF (r = - 0.39, p = 0.02) compared to control group (r = - 0.078, p = 0.65). In all the POF patients, SOD and GPx activities were significantly (p < 0.05) lower and MDA level was higher (p > 0.05) than control group. B cell marker CD19 was significantly (p < 0.0001) high in POF group. There are involvement of trace elements in hormonal regulation and antioxidant defense mechanism, which once gets altered leads to high ROS generation and affect functions of the immune system. Exaggereative immune system causing higher expression of B cell associated markers (CD19) leading to autoimmune condition in POF.
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Affiliation(s)
- Priyanka Verma
- Department of Biochemistry, All India Institute of Medical Sciences, New Delhi, India
| | - Aparna K Sharma
- Department of Obstetrics and Gynaecology, All India Institute of Medical Sciences, New Delhi, India
| | - Hari Shankar
- Department of Biochemistry, All India Institute of Medical Sciences, New Delhi, India
| | - Alpana Sharma
- Department of Biochemistry, All India Institute of Medical Sciences, New Delhi, India.
| | - D N Rao
- Department of Biochemistry, All India Institute of Medical Sciences, New Delhi, India.
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Rashid S, Arshad M, Siddiqa M, Ahmad R. Evaluation of DNA damage in traffic police wardens of Pakistan due to cadmium and zinc. THE SCIENCE OF THE TOTAL ENVIRONMENT 2018; 630:1360-1364. [PMID: 29554755 DOI: 10.1016/j.scitotenv.2018.02.254] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/24/2017] [Revised: 02/21/2018] [Accepted: 02/21/2018] [Indexed: 06/08/2023]
Abstract
Air quality in urban areas is generally poor especially at traffic intersections and roadsides due to continuous vehicular emissions comprising poly aromatic hydrocarbons, heavy metals, benzene, diesel soot etc. The objective of this study was to compare the primary DNA damage in traffic police wardens occupationally exposed to airborne Cd and Zn (exposed group) and educational institution with negligible exposure to airborne Cd and Zn (control group). Blood levels of Cd and Zn in traffic police wardens and control group were determined by Flame Atomic Absorption Spectroscopy (FAAS) and DNA damage was assessed by using Comet assay. The results of this study showed significantly higher amount of Cd (0.18±0.06mgL-1) and Zn (4.87±1.34mgL-1) in the blood of traffic police wardens as compared to control group and according to World Health Organization, these values are 18 and 3 times more to the permissible limit of Cd and Zn respectively in human blood. In addition, significantly higher numbers of DNA damaged cells (28±13%) were observed in traffic police wardens as compared to control group (3.6±2%). Comet tail length was found to be doubled (4.7±1.7μm) in traffic police wardens as compared to the control group (2±1.2μm). These results could be linked to the concentrations of Cd and Zn in blood of traffic police wardens. In conclusion, our results showed that accumulation of Cd and Zn was higher in traffic police wardens due to air pollution (Zn and Cd) and has more damaged DNA of traffic police wardens in Pakistan.
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Affiliation(s)
- Saddaf Rashid
- Institute of Environmental Sciences & Engineering, School of Civil & Environmental Engineering, National University of Science & Technology, Sector H-12, Islamabad 44000, Pakistan.
| | - Muhammad Arshad
- Institute of Environmental Sciences & Engineering, School of Civil & Environmental Engineering, National University of Science & Technology, Sector H-12, Islamabad 44000, Pakistan.
| | - Maryam Siddiqa
- Institute of Environmental Sciences & Engineering, School of Civil & Environmental Engineering, National University of Science & Technology, Sector H-12, Islamabad 44000, Pakistan
| | - Rafiq Ahmad
- Biotechnology Program, Department of Environmental Sciences, COMSATS Institute of Information Technology, 22060 Abbottabad, Pakistan.
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121
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C. elegans-An Emerging Model to Study Metal-Induced RAGE-Related Pathologies. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2018; 15:ijerph15071407. [PMID: 29973513 PMCID: PMC6069300 DOI: 10.3390/ijerph15071407] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 06/08/2018] [Revised: 06/29/2018] [Accepted: 07/03/2018] [Indexed: 12/29/2022]
Abstract
The receptor for advanced glycation end products (RAGE), a multi-ligand receptor, is mostly associated with promoting inflammation and oxidative stress. In addition to advanced glycation end products (AGEs), its ligands include High mobility group box 1 protein (HMGB-1), S-100 proteins and beta-sheet fibrils. The effects of several metals and metalloids on RAGE expression and activation have been recently studied: in vivo and in vitro exposure to methylmercury, selenium, zinc, manganese, and arsenic was associated with a variety of RAGE-related alterations and behavioral impairments, which are mostly dependent upon the administration procedure (local vs. systemic) and age during exposure. Recently, C. elegans has been proposed as a potential novel model for studying RAGE-related pathologies; preliminary data regarding such model and its potential contribution to the study of metal-induced RAGE-related pathologies are discussed.
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Hotta Y, Fujino R, Kimura O, Endo T. Essential and Non-essential Elements in Scalp Hair of Diabetics: Correlations with Glycated Hemoglobin (HbA1c). Biol Pharm Bull 2018; 41:1034-1039. [PMID: 29962400 DOI: 10.1248/bpb.b18-00029] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Essential elements (Ca, Mg, Zn, Cu, Fe, Cr, Mn and V) and non-essential elements (As, Cd, Hg and Pb) were measured in scalp hair samples of 45 diabetic subjects and 59 control subjects in Japan using inductively coupled plasma mass spectrometry. All diabetic subjects took insulin and/or antidiabetic agents, with glycated hemoglobin (HbA1c) ranging between 6.2 and 14.4%. The levels of Zn, Cu and Cr in the diabetic subjects (HbA1c>7) were significantly lower than those in the control subjects (p<0.05), and these concentrations decreased significantly with increases in HbA1c (p<0.01). The levels of Fe and Mg in the diabetic subjects were insignificantly lower, and the concentration of Fe decreased significantly with increases in HbA1c (p<0.05) and the concentration of Mn tended to decrease (p<0.10). In contrast, the concentration of As tended to increase with increases in HbA1c (p<0.10). The concentrations of other elements, such as Ca, Mn, V, Pb, Cd and Hg, in the diabetic subjects were similar to those of control subjects, and did not correlate with HbA1c. The average of estimated glomerular filtration rate (eGFR) in the diabetic subjects was 77.7±29.7 mL/min/1.73 m2 with large variation (12.7-148 mL/min/1.73 m2), and previous study reported the increase of urinary excretion of Zn, Cr, Mn and Mg in diabetic subjects. The decreases of Zn, Cu, Cr, Fe and Mg concentrations in hair may reflect increased urinary excretion of these elements due to diabetic nephropathy.
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Affiliation(s)
| | | | - Osamu Kimura
- School of Pharmaceutical Science, Health Sciences University of Hokkaido
| | - Tetsuya Endo
- School of Pharmaceutical Science, Health Sciences University of Hokkaido
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123
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Combination of dispersive liquid–liquid microextraction and flame atomic absorption spectrometry for simultaneous preconcentration and determination of manganese and nickel in water and food samples. JOURNAL OF THE IRANIAN CHEMICAL SOCIETY 2018. [DOI: 10.1007/s13738-018-1372-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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124
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Tabassum A, Zaidi SNF, Yasmeen K, Mahboob T. Potential role of peroxisome proliferator activated receptor gamma activation on serum visfatin and trace elements in high fat diet induced type 2 diabetes mellitus. Life Sci 2018; 205:164-175. [DOI: 10.1016/j.lfs.2018.05.027] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2017] [Revised: 05/10/2018] [Accepted: 05/12/2018] [Indexed: 01/08/2023]
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125
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Cakir S, Eren M, Senturk M, Sarica ZS. The Effect of Boron on Some Biochemical Parameters in Experimental Diabetic Rats. Biol Trace Elem Res 2018; 184:165-172. [PMID: 29019104 DOI: 10.1007/s12011-017-1182-0] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/26/2017] [Accepted: 10/01/2017] [Indexed: 10/18/2022]
Abstract
In this study, we evaluated the effect of boron (B) as boric acid (BA) on body weight (b.w.); blood glucose; plasma insulin; lipase and paraoxonase (PON1) activities; and serum triglyceride, total cholesterol, high-density lipoprotein (HDL) and low-density lipoprotein (LDL) cholesterol, lipid peroxidation (MDA), and total antioxidant capacity (TAC) in streptozotocin (STZ)-induced experimental diabetes in rats. Sixty Wistar albino rats (200-250 g) were divided into six groups of ten. The groups received the following treatment: group 1, control group; group 2, 50 mg/kg (b.w.) i.p. STZ-induced diabetes; group 3, 5 mg/kg (b.w.) B; group 4, 10 mg/kg (b.w.) B; group 5, diabetes + 5 mg/kg (b.w.) B; and group 6, diabetes + 10 mg/kg (b.w.) B. The experiment lasted 4 weeks. Increased serum MDA levels with diabetes were significantly reduced and although it is not statistically significant, serum TAC levels approached to values of control group; also, insignificant increases were observed in HDL cholesterol levels in experimental diabetic rats with treatment 5 and 10 mg/kg B. Furthermore, body weight, plasma insulin, and lipase activities increased insignificantly, blood glucose and serum LDL cholesterol decreased significantly, and total cholesterol levels decreased insignificantly in the diabetes + 10 mg/kg B group. There was no difference between the groups in terms of plasma PON1 activities and serum triglyceride levels. In conclusion, B may have beneficial effects on some biochemical parameters changes in experimental diabetes, and in order to determine the full effect of this element on the metabolism, further studies are required which use various dosages and compounds of B.
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Affiliation(s)
- Selcen Cakir
- High School of Physical Education and Sport, University of Bingöl, 12000, Bingöl, Turkey
| | - Meryem Eren
- Faculty of Veterinary Medicine, Department of Biochemistry, University of Erciyes, Melikgazi, 38039, Kayseri, Turkey.
| | - Meryem Senturk
- Faculty of Veterinary Medicine, Department of Biochemistry, University of Erciyes, Melikgazi, 38039, Kayseri, Turkey
| | - Zeynep Soyer Sarica
- Hakan Çetinsaya Experimental Animal Center, University of Erciyes, Melikgazi, 38039, Kayseri, Turkey
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126
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Shirataki J, Fujisaki K, Sakaguchi K, Sato N. Quantification of Trace Arsenic in Whole Blood by ICP-QMS/QMS. ANAL SCI 2018; 34:735-738. [PMID: 29887564 DOI: 10.2116/analsci.18sbn03] [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: 11/23/2022]
Abstract
ICP-QMS/QMS was applied to whole blood samples to determine the quantity of trace As. It was found that Fe also causes polyatomic interference with As in conventional ICP-QMS, in addition to Ca and Cl, and ICP-QMS/QMS can remove these interferences in mass-shift mode using O2 as reaction gas. The ICP-QMS/QMS technique allows the determination of As at sub-ng mL-1 levels.
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Affiliation(s)
| | | | | | - Nobuyuki Sato
- Inorganic Analysis Laboratories, Toray Research Center, Inc
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127
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Iqbal G, Zada W, Mannan A, Ahmed T. Elevated heavy metals levels in cognitively impaired patients from Pakistan. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2018; 60:100-109. [PMID: 29684799 DOI: 10.1016/j.etap.2018.04.011] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/16/2018] [Revised: 04/10/2018] [Accepted: 04/11/2018] [Indexed: 06/08/2023]
Abstract
The deficit in the visuospatial skills, thinking, learning and memory is termed as cognitive impairment. Human exposure to heavy metals is a potential risk factor for developing cognitive impairment. This study aimed to investigate the possible association between the concentration of heavy metals and the extent of cognitive impairment. Blood samples were subjected to microwave assisted acid digestion and evaluated for metals levels using atomic absorption spectrophotometry. We measured the levels of Cu, Pb, Al, Zn, Cd and Mn in 183 patients diagnosed with cognitive impairment; mild (n = 72), moderate (n = 86) and severe (n = 25) and compared them to age-matched healthy controls (n = 90). Results showed that all the aforementioned elements were significantly higher in cognitively impaired patients and increasing concentration was strongly correlated with increase in severity of the disease. The correlation study has shown that among the studied metals, Al and Cu are strongly associated with the cognitive impairment. This suggests the need for decrease in metal exposure to humans from environment, food and industries.
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Affiliation(s)
- Ghazala Iqbal
- Neurobiology Laboratory, Department of Healthcare Biotechnology, Atta-ur-Rahman School of Applied Biosciences, National University of Sciences and Technology, Sector H-12, Islamabad, 44000, Pakistan
| | - Wahid Zada
- Department of Pharmacy, COMSATS Institute of Information Technology, Abbottabad, 22060, K.P.K, Pakistan
| | - Abdul Mannan
- Department of Pharmacy, COMSATS Institute of Information Technology, Abbottabad, 22060, K.P.K, Pakistan
| | - Touqeer Ahmed
- Neurobiology Laboratory, Department of Healthcare Biotechnology, Atta-ur-Rahman School of Applied Biosciences, National University of Sciences and Technology, Sector H-12, Islamabad, 44000, Pakistan.
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128
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The Essential Element Manganese, Oxidative Stress, and Metabolic Diseases: Links and Interactions. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2018; 2018:7580707. [PMID: 29849912 PMCID: PMC5907490 DOI: 10.1155/2018/7580707] [Citation(s) in RCA: 253] [Impact Index Per Article: 42.2] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/25/2017] [Revised: 02/10/2018] [Accepted: 03/12/2018] [Indexed: 12/11/2022]
Abstract
Manganese (Mn) is an essential element that is involved in the synthesis and activation of many enzymes and in the regulation of the metabolism of glucose and lipids in humans. In addition, Mn is one of the required components for Mn superoxide dismutase (MnSOD) that is mainly responsible for scavenging reactive oxygen species (ROS) in mitochondrial oxidative stress. Both Mn deficiency and intoxication are associated with adverse metabolic and neuropsychiatric effects. Over the past few decades, the prevalence of metabolic diseases, including type 2 diabetes mellitus (T2MD), obesity, insulin resistance, atherosclerosis, hyperlipidemia, nonalcoholic fatty liver disease (NAFLD), and hepatic steatosis, has increased dramatically. Previous studies have found that ROS generation, oxidative stress, and inflammation are critical for the pathogenesis of metabolic diseases. In addition, deficiency in dietary Mn as well as excessive Mn exposure could increase ROS generation and result in further oxidative stress. However, the relationship between Mn and metabolic diseases is not clear. In this review, we provide insights into the role Mn plays in the prevention and development of metabolic diseases.
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129
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Mogwasi R, Zor S, Kariuki DK, Getenga MZ, Nischwitz V. Sequential Extraction as Novel Approach to Compare 12 Medicinal Plants From Kenya Regarding Their Potential to Release Chromium, Manganese, Copper, and Zinc. Biol Trace Elem Res 2018; 182:407-422. [PMID: 28733937 DOI: 10.1007/s12011-017-1083-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/12/2017] [Accepted: 06/20/2017] [Indexed: 10/19/2022]
Abstract
This study is focusing on a novel approach to screen a large number of medicinal plants from Kenya regarding their contents and availability of selected metals potentially relevant for treatment of diabetes patients. For this purpose, total levels of zinc, chromium, manganese, and copper were determined by flame atomic absorption spectrometry and inductively coupled plasma mass spectrometry as well as BCR sequential extraction to fractionate the elemental species in anti-diabetic medicinal plants collected from five natural locations in two sub counties in Nyamira County, Kenya. Solanum mauense had the highest zinc level of 123.0 ± 3.1 mg/kg while Warburgia ugandensis had the lowest level of 13.9 ± 0.4 mg/kg. The highest level of copper was in Bidens pilosa (29.0 ± 0.6 mg/kg) while the lowest was in Aloe vera (3.0 ± 0.1 mg/kg). Croton macrostachyus had the highest manganese level of 1630 ± 40 mg/kg while Clerodendrum myricoides had the lowest (80.2 ± 1.2 mg/kg). The highest level of chromium was in Solanum mauense (3.20 ± 0.06 mg/kg) while the lowest (0.04 ± 0.01 mg/kg) were in Clerodendrum myricoides and Warburgia ugandesis among the medicinal plants from Nyamira and Borabu, respectively. The levels of the elements were statistically different from that of other elements while the level of a given element was not statistically different in the medicinal plants from the different sub counties. Sequential extraction was performed to determine the solubility and thus estimate the bioavailability of the four investigated essential and potentially therapeutically relevant metals. The results showed that the easily bioavailable fraction (EBF) of chromium, manganese, zinc, and copper ranged from 6.7 to 13.8%, 4.1 to 10%, 2.4 to 10.2%, and 3.2 to 12.0% while the potentially bioavailable fraction (PBF) ranged from 50.1 to 67.6%, 32.2 to 48.7%, 23.0 to 41.1%, and 34.6 to 53.1%, respectively. Bidens pilosa, Croton macrostachyus, Ultrica dioica, and Solanum mauense medicinal plants used to treat diabetes by 80 % of the herbalists in Nyamira County were found to be rich in chromium, manganese, copper, and zinc. The EBF of zinc, manganese, and chromium constitutes adequate amounts recommended for daily intake not exceeding the ADI and delivered a low percentage of RDA when estimating daily intake during therapy from typically applied doses. The plants did not show any significant differences at p < 0.05 in terms of concentrations of the elements between the two study areas though the levels of the different elements were statistically significant. Another major observation was that high total levels of the metals in a given plant did not necessarily translate to high bioavailable levels, and hence the need to determine bioavailable form as it is the one accessible to the patient.
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Affiliation(s)
- R Mogwasi
- Chemistry Department, Kisii University, P.O Box 408-40200, Kisii, Kenya.
| | - S Zor
- Forschungszentrum Juelich, Central Institute for Engineering, Electronics and Analytics, ZEA-3, Juelich, Germany
| | - D K Kariuki
- Chemistry Department, University of Nairobi, P. O. Box 30197-00100, Nairobi, Kenya
| | - M Z Getenga
- Chemistry Department, Chuka University, P.O Box 109-60400, Chuka, Kenya
| | - V Nischwitz
- Forschungszentrum Juelich, Central Institute for Engineering, Electronics and Analytics, ZEA-3, Juelich, Germany
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130
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Du B, Zhou J, Zhou J. Selenium status of children in Kashin-Beck disease endemic areas in Shaanxi, China: assessment with mercury. ENVIRONMENTAL GEOCHEMISTRY AND HEALTH 2018; 40:903-913. [PMID: 29018984 DOI: 10.1007/s10653-017-0033-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/05/2017] [Accepted: 09/30/2017] [Indexed: 06/07/2023]
Abstract
The causes of Kashin-Beck disease (KBD) in children are multifactorial, and particular consideration has been given to childhood selenium (Se) deficiency. In this study, dietary intake of Se and mercury (Hg) was determined at KBD areas to investigate the Se status and risks. Therefore, total Hg and Se levels were investigated in scalp hair samples and in daily intake food samples of 150 schoolchildren in Yongshou County of Shaanxi, China. The results showed that the average concentration of Se in children's hair has risen to 302 ng g-1 and significantly increased compared to the data reported decades ago. Children at KBD endemic areas likely have improved Se status due to the Se supplementation in food at recent decades. However, all the children in the study areas still showed lower Se status compared to those in other non-KBD areas of China. The probable daily intake of Se in the study areas was still lower after stopping Se supplementation in food at KBD areas, which is 17.96 μg day-1. Food produced locally cannot satisfy the lowest demand for Se nutrition for local residents. If the interactions of Se-Hg detoxification are considered, Hg intake from food exacerbates Se deficiency at the KBD areas.
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Affiliation(s)
- Buyun Du
- Key Laboratory of Soil Environment and Pollution Remediation, Institute of Soil Science, Chinese Academy of Sciences, Nanjing, 210008, China
- State Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang, 550081, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Jun Zhou
- Key Laboratory of Soil Environment and Pollution Remediation, Institute of Soil Science, Chinese Academy of Sciences, Nanjing, 210008, China.
- National Engineering Research and Technology Center for Red Soil Improvement, Red Soil Ecological Experiment Station, Chinese Academy of Sciences, Yingtan, 335211, China.
| | - Jing Zhou
- Key Laboratory of Soil Environment and Pollution Remediation, Institute of Soil Science, Chinese Academy of Sciences, Nanjing, 210008, China.
- National Engineering Research and Technology Center for Red Soil Improvement, Red Soil Ecological Experiment Station, Chinese Academy of Sciences, Yingtan, 335211, China.
- Institute of Biology Resource, Jiangxi Academy of Sciences, Nanchang, China.
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131
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Metalloprotein and multielemental content profiling in serum samples from diabetic and hypothyroid persons based on PCA analysis. Microchem J 2018. [DOI: 10.1016/j.microc.2017.10.021] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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132
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Urtica Dioica Distillate Regenerates Pancreatic Beta Cells in Streptozotocin-Induced Diabetic Rats. IRANIAN JOURNAL OF MEDICAL SCIENCES 2018; 43:174-183. [PMID: 29749986 PMCID: PMC5936849] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
Abstract
BACKGROUND Urtica dioica is known as an anti-hyperglycemic plant. Urtica dioica distillate (UD) is a traditional Iranian drink, locally known as "aragh gazaneh". In spite of its widespread consumption in Iran, according to traditional Iranian medicine, there is no scientific report on the usefulness of UD for diabetic patients. This survey was designed to evaluate its protective effects for the recovery from diabetes by determining the serum insulin, blood glucose, volume of pancreatic islets, and the number and volume of β-cells in diabetic rats. METHODS A total of 48 Sprague-Dawley male rats (200-250 g) were randomly distributed into 6 groups (n=8), including non-diabetic plus distilled water (DW), non-diabetic plus UD, diabetic plus DW, diabetic plus UD, diabetic plus insulin, and diabetic plus glibenclamide. DW, UD, and glibenclamide were administered via intragastric gavage and insulin was injected subcutaneously. After four weeks of experiments, blood samples were collected for serum insulin and blood glucose assay. Pancreas was also evaluated using stereological method. The SPSS software was used for statistical analysis. Kruskal-Wallis, repeated measurements, and Mann-Whitney U test were applied for comparisons between the groups. RESULTS The treatment of diabetic rats with UD reduced the blood glucose dramatically (P<0.001) and increased serum insulin levels significantly (P=0.03) in comparison to the diabetic plus DW rats. Treatment with UD did not affect the mean β-cell volumes in the diabetic rats when compared to the diabetic plus DW rats, but the islet volumes and β-cell numbers were significantly recovered. CONCLUSION UD treatment in diabetic rats improves hyperglycemia by partially restoring plasma insulin levels. The data suggest that UD prevents islet atrophy and/or regenerate pancreatic β-cells.
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133
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Seal M, Dey SG. Active-Site Environment of Copper-Bound Human Amylin Relevant to Type 2 Diabetes. Inorg Chem 2017; 57:129-138. [DOI: 10.1021/acs.inorgchem.7b02266] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- Manas Seal
- Department of Inorganic Chemistry, Indian Association for the Cultivation of Science, Jadavpur, Kolkata 700032, India
| | - Somdatta Ghosh Dey
- Department of Inorganic Chemistry, Indian Association for the Cultivation of Science, Jadavpur, Kolkata 700032, India
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Cui Y, Zhong Q, Hu M, Sheng J, Yang Y, Liang L, Wang X, Yang Y, Zhou M, Huang F. Human biomonitoring of eight trace elements in urine of residents living in rural areas along the Yangtze River, China. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2017; 24:27963-27973. [PMID: 28988285 DOI: 10.1007/s11356-017-0414-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/05/2017] [Accepted: 10/03/2017] [Indexed: 06/07/2023]
Abstract
The rapid economic development and industrialization have made heavy metal contamination a great public concern, especially in China. However, the levels of heavy metals in human body, especially those susceptible to the effect of industrial progression, are rarely explored. In this study, eight elements in 2643 urinary samples of individuals living in rural areas along the Yangtze River were determined through inductively coupled plasma optical emission spectrometry (As, Cr, Cu, Fe, Mn, Pb, and Zn) and TAS-990 atomic absorption spectrophotometry (Cd). Two-level regression model was applied to explore the potential factors associated with the level of the eight trace elements. After adjusting for urinary creatinine, the geometric means were 77.5, 10.98, 14.39, 13.00, 0.59, 1.51, 489.62, and 1.80 μg/g for As, Cr, Cu, Fe, Mn, Pb, Zn, and Cd, respectively. The level of eight elements varied among individual and familial characteristics. Compared with domestic and international results, the rural residents living in riverside areas had higher level of As, Cd, Cr, Fe, and Zn. Therefore, industrial progression followed by economic development has resulted in high body burden of heavy metals. Targeted public health policies should be made to improve the local environment and the recognition of potential risk factors.
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Affiliation(s)
- Yanjie Cui
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, No. 81 Meishan Road, Shushan Districts, Hefei, Anhui, 230032, China
| | - Qi Zhong
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, No. 81 Meishan Road, Shushan Districts, Hefei, Anhui, 230032, China
| | - Mingjun Hu
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, No. 81 Meishan Road, Shushan Districts, Hefei, Anhui, 230032, China
| | - Jie Sheng
- Central Laboratory of Preventive Medicine, School of Public Health, Anhui Medical University, Hefei, Anhui, 230032, China
| | - Yuanyuan Yang
- Central Laboratory of Preventive Medicine, School of Public Health, Anhui Medical University, Hefei, Anhui, 230032, China
| | - Ling Liang
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, No. 81 Meishan Road, Shushan Districts, Hefei, Anhui, 230032, China
| | - Xiaodong Wang
- Department of Infectious Disease Control and Prevention, Center for Disease Control and Prevention of Tongling County, Tongling, Anhui, 244000, China
| | - Yuwei Yang
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, No. 81 Meishan Road, Shushan Districts, Hefei, Anhui, 230032, China
| | - Mengmeng Zhou
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, No. 81 Meishan Road, Shushan Districts, Hefei, Anhui, 230032, China
| | - Fen Huang
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, No. 81 Meishan Road, Shushan Districts, Hefei, Anhui, 230032, China.
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135
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Jin XD, Wang WC, Feng XX, Bu LC, Tong J, Zhang P, Ren KJ, Zhao XB. Synthesis, characterization, crystal structure, and electrochemical property of copper(II) complexes with Schiff bases derived from 5-halogenated salicylaldehyde and amantadine. RUSS J COORD CHEM+ 2017. [DOI: 10.1134/s1070328417110033] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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136
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Giacconi R, Cai L, Costarelli L, Cardelli M, Malavolta M, Piacenza F, Provinciali M. Implications of impaired zinc homeostasis in diabetic cardiomyopathy and nephropathy. Biofactors 2017; 43:770-784. [PMID: 28845600 DOI: 10.1002/biof.1386] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/07/2017] [Revised: 07/12/2017] [Accepted: 07/27/2017] [Indexed: 12/18/2022]
Abstract
Impaired zinc homeostasis is observed in diabetes mellitus (DM2) and its complications. Zinc has a specific role in pancreatic β-cells via insulin synthesis, storage, and secretion. Intracellular zinc homeostasis is tightly controlled by zinc transporters (ZnT and Zip families) and metallothioneins (MT) which modulate the uptake, storage, and distribution of zinc. Several investigations in animal models demonstrate the protective role of MT in DM2 and its cardiovascular or renal complications, while a copious literature shows that a common polymorphism (R325W) in ZnT8, which affects the protein's zinc transport activity, is associated with increased DM2 risk. Emerging studies highlight a role of other zinc transporters in β-cell function, suggesting that targeting them could make a possible contribution in managing the hyperglycemia in diabetic patients. This article summarizes the current findings concerning the role of zinc homeostasis in DM2 pathogenesis and development of diabetic cardiomyopathy and nephropathy and suggests novel therapeutic targets. © 2017 BioFactors, 43(6):770-784, 2017.
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Affiliation(s)
- Robertina Giacconi
- Translational Research Center of Nutrition and Ageing, Scientific and Technological Pole, Italian National Institute of Health and Science on Aging (INRCA), Ancona, Italy
| | - Lu Cai
- Pediatric Research Institute at the Department of Pediatrics, Wendy L. Novak Diabetes Care Center, University of Louisville, Louisville, KY, USA
| | - Laura Costarelli
- Translational Research Center of Nutrition and Ageing, Scientific and Technological Pole, Italian National Institute of Health and Science on Aging (INRCA), Ancona, Italy
| | - Maurizio Cardelli
- Advanced Technology Center for Aging Research, Scientific and Technological Pole, Italian National Institute of Health and Science on Aging (INRCA), Ancona, Italy
| | - Marco Malavolta
- Translational Research Center of Nutrition and Ageing, Scientific and Technological Pole, Italian National Institute of Health and Science on Aging (INRCA), Ancona, Italy
| | - Francesco Piacenza
- Translational Research Center of Nutrition and Ageing, Scientific and Technological Pole, Italian National Institute of Health and Science on Aging (INRCA), Ancona, Italy
| | - Mauro Provinciali
- Advanced Technology Center for Aging Research, Scientific and Technological Pole, Italian National Institute of Health and Science on Aging (INRCA), Ancona, Italy
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137
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Yang A, Liu S, Cheng Z, Pu H, Cheng N, Ding J, Li J, Li H, Hu X, Ren X, Yang K, Zheng T, Bai Y. Dose-response analysis of environmental exposure to multiple metals and their joint effects with fasting plasma glucose among occupational workers. CHEMOSPHERE 2017; 186:314-321. [PMID: 28787687 DOI: 10.1016/j.chemosphere.2017.08.002] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2017] [Revised: 07/12/2017] [Accepted: 08/01/2017] [Indexed: 06/07/2023]
Abstract
OBJECTIVES Environmental exposure to metals may adversely affect cardiometabolic health. However, little data are available directly evaluating the roles of metal exposure in blood glucose of which dysfunction has been linked to diabetes. We aimed to evaluate the dose-response associations between fasting plasma glucose (FPG) and multiple urinary metals including nickel, cobalt, copper, zinc, and arsenic, as well as to examine their joint effects among occupational workers. METHODS We performed a population-based study of 464 workers in an ongoing occupational cohort study in China. Both spline and categorical analyses were used to evaluate the dose-response relationship between urinary metals levels and FPG. RESULTS We observed the J-shaped non-linear relationships between urinary nickel (P non-linearity = 0.03) and zinc (P non-linearity < 0.01) with FPG by spline analyses. A negative linear relationship between urinary cobalt and FPG (P for nonlinearity = 0.06) was found, but no statistically significant associations between urinary copper and arsenic with FPG. In linear regression analyses, the regression coefficient for log-transferred FPG was 0.017 (95% confidence intervals [CI]: -0.003, 0.038) in the 4th quartile concentration of urinary nickel, compared with 1st quartile. The joint effects between urinary nickel and cobalt with FPG were also detected (P for interaction = 0.04). CONCLUSIONS Multiple urinary metals, particularly nickel, zinc and cobalt, were associated with blood glucose among Chinese metal exposed workers, supporting the notion that metal exposure may play a critical role in diabetes development.
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Affiliation(s)
- Aimin Yang
- Institute of Epidemiology and Statistics, School of Public Health, Lanzhou University, Lanzhou, Gansu, 730000, China; Department of Epidemiology, School of Public Health, Brown University, Providence, RI, 02912, USA
| | - Simin Liu
- Department of Epidemiology, School of Public Health, Brown University, Providence, RI, 02912, USA; Department of Medicine (Endocrinology), Rhode Island Hospital and the Alpert Medical School, Brown University, Providence, RI, 02908, USA
| | - Zhiyuan Cheng
- Evidence-Based Medicine Center and Key Laboratory of Evidence Based Medicine and Knowledge Translation of Gansu Province, College of Basic Medicine, Lanzhou University, Lanzhou, Gansu, 73000, China
| | - Hongquan Pu
- Workers' Hospital of Jinchuan Group Co., Ltd., Jinchang, Gansu, 737103, China
| | - Ning Cheng
- Center of Medical Laboratory, Lanzhou University, Lanzhou, Gansu, 730000, China
| | - Jiao Ding
- Workers' Hospital of Jinchuan Group Co., Ltd., Jinchang, Gansu, 737103, China
| | - Juansheng Li
- Institute of Epidemiology and Statistics, School of Public Health, Lanzhou University, Lanzhou, Gansu, 730000, China
| | - Haiyan Li
- Workers' Hospital of Jinchuan Group Co., Ltd., Jinchang, Gansu, 737103, China
| | - Xiaobin Hu
- Institute of Epidemiology and Statistics, School of Public Health, Lanzhou University, Lanzhou, Gansu, 730000, China
| | - Xiaowei Ren
- Institute of Epidemiology and Statistics, School of Public Health, Lanzhou University, Lanzhou, Gansu, 730000, China
| | - Kehu Yang
- Evidence-Based Medicine Center and Key Laboratory of Evidence Based Medicine and Knowledge Translation of Gansu Province, College of Basic Medicine, Lanzhou University, Lanzhou, Gansu, 73000, China
| | - Tongzhang Zheng
- Department of Epidemiology, School of Public Health, Brown University, Providence, RI, 02912, USA.
| | - Yana Bai
- Institute of Epidemiology and Statistics, School of Public Health, Lanzhou University, Lanzhou, Gansu, 730000, China.
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138
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Roushani M, Saedi Z, Hamdi F, Dizajdizi BZ. Preparation an electrochemical sensor for detection of manganese (II) ions using glassy carbon electrode modified with multi walled carbon nanotube-chitosan-ionic liquid nanocomposite decorated with ion imprinted polymer. J Electroanal Chem (Lausanne) 2017. [DOI: 10.1016/j.jelechem.2017.09.038] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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139
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Wei Y, Dong J, Li F, Wei Z, Tian Y. Knockdown of SLC39A7 suppresses cell proliferation, migration and invasion in cervical cancer. EXCLI JOURNAL 2017; 16:1165-1176. [PMID: 29285013 PMCID: PMC5735344 DOI: 10.17179/excli2017-690] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/01/2017] [Accepted: 10/16/2017] [Indexed: 11/10/2022]
Abstract
Cervical cancer is the fourth leading cause of malignancy related mortality in women worldwide. SLC39A7 (ZIP7) is a zinc transporter that plays a key role in intestinal epithelial self-renewal. However, whether or not SLC39A7 is involved in human cervical cancer remains unclear. In this study, we investigated the effects of SLC39A7 in cervical cancer in vitro and elucidate related underlying mechanisms. Using Oncomine data analysis, we first found SLC39A7 is commonly upregulated in cervical cancer tissues in comparison with corresponding normal controls. The in vitro experiments indicated that silencing of SLC39A7 expression resulted in decreased cell proliferation, increased cell apoptosis, and attenuated migratory and invasive ability using CCK-8, colony formation, flow cytometry, transwell assays, respectively in cervical cancer cell lines, HeLa and ME-180 cells. In molecular levels, Western blot further demonstrated that silencing of SLC39A7 significantly upregulated the expression of Bax and E-cadherin, downregulated the expression of Bcl-2 and MMP-2 in both HeLa and ME-180 cells. These findings provide evidence that SLC39A7 plays a positive role in the progression of cervical cancer and its knockdown might be as a potential therapeutic target for cervical cancer treatment.
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Affiliation(s)
- Yongqing Wei
- Department of Gynecology and Obstetrics, Jinan Central Hospital Affiliated to Shandong University, Jinan 250012, China
| | - Jie Dong
- Department of Gynecology and Obstetrics, Jinan Central Hospital Affiliated to Shandong University, Jinan 250012, China
| | - Fuli Li
- Department of Gynecology and Obstetrics, Jinan Central Hospital Affiliated to Shandong University, Jinan 250012, China
| | - Zhuqing Wei
- Department of Stomatology, Chengyang People's Hospital, Qingdao 266109, China
| | - Yuling Tian
- Department of Gynecology and Obstetrics, Jinan Central Hospital Affiliated to Shandong University, Jinan 250012, China
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140
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Odebode FD, Ekeleme OT, Ijarotimi OS, Malomo SA, Idowu AO, Badejo AA, Adebayo IA, Fagbemi TN. Nutritional composition, antidiabetic and antilipidemic potentials of flour blends made from unripe plantain, soybean cake, and rice bran. J Food Biochem 2017. [DOI: 10.1111/jfbc.12447] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
- Folasade D. Odebode
- Department of Food Science and Technology; Federal University of Technology; Akure Ondo State Nigeria
| | - Oluchi T. Ekeleme
- Department of Food Science and Technology; Federal University of Technology; Akure Ondo State Nigeria
| | - Oluwole S. Ijarotimi
- Department of Food Science and Technology; Federal University of Technology; Akure Ondo State Nigeria
| | - Sunday A. Malomo
- Department of Food Science and Technology; Federal University of Technology; Akure Ondo State Nigeria
| | - Atinuke O. Idowu
- Department of Food Science and Technology; Mountain Top University; Km 12, Lagos-Ibadan Expressway, Prayer City Ogun State Nigeria
| | - Adebanjo A. Badejo
- Department of Food Science and Technology; Federal University of Technology; Akure Ondo State Nigeria
- Department of Agricultural Biotechnology; Assam Agricultural University; Jorhat Assam India
| | - Isaac A. Adebayo
- Department of Animal Production and Health; Federal University of Technology; Akure Ondo State Nigeria
| | - Tayo N. Fagbemi
- Department of Food Science and Technology; Federal University of Technology; Akure Ondo State Nigeria
- Department of Food Science and Technology; Mountain Top University; Km 12, Lagos-Ibadan Expressway, Prayer City Ogun State Nigeria
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141
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Gómez T, Bequer L, Mollineda A, Molina JL, Álvarez A, Lavastida M, Clapés S. Concentration of Zinc, Copper, Iron, Calcium, and Magnesium in the Serum, Tissues, and Urine of Streptozotocin-Induced Mild Diabetic Rat Model. Biol Trace Elem Res 2017; 179:237-246. [PMID: 28258359 DOI: 10.1007/s12011-017-0962-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/20/2016] [Accepted: 02/06/2017] [Indexed: 01/29/2023]
Abstract
The present study aimed to investigate, in the streptozotocin-induced mild diabetic rat model, the zinc (Zn), copper (Cu), iron (Fe), calcium (Ca), and magnesium (Mg) concentration in serum, liver, and kidney tissues, and urine samples from adult Wistar rats treated neonatally with streptozotocin (STZ). Diabetes was induced by subcutaneous administration of streptozotocin (100 mg/Kg) in female Wistar rats of 2 days old (STZ, n = 10). Control group (CG, n = 10) received only sodium-citrate buffer. The mineral concentrations were measured by atomic absorption spectrophotometry. The validity and accuracy were checked by conventional methods. STZ neonatal injection successfully leaded to mild diabetes in the adult rats. Serum concentrations of Zn, Cu, Fe, Ca, and Mg showed no changes (p > 0.05) due to diabetes. The Zn, Fe, Ca, and Mg concentrations in liver and kidney tissues were not different (p > 0.05) between STZ and CG. The mean values of Cu were higher (p < 0.05) in liver and kidney samples from STZ as compared to CG. Urine minerals concentrations (Zn, Cu, Fe and Ca) in STZ-rats group were lower (p < 0.05) than CG. However, the content of all evaluated minerals in the excreted urine were higher (p < 0.01) in STZ-rats during a 24 h collection period. Urinary excretion of Zn, Cu, Fe, Ca, and Mg was strongly correlated with urinary volume during the 24 h period (r > 0.7; p < 0.001). Observed changes in mineral metabolism of STZ-induced mild diabetes model could be due to the endocrine imbalance associated with the diabetic condition.
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Affiliation(s)
- Tahiry Gómez
- Biomedical Research Center, Medical College of Villa Clara, Ave Acueducto y Circunvalación, CP 50200, Santa Clara, Cuba.
| | - Leticia Bequer
- Biomedical Research Center, Medical College of Villa Clara, Ave Acueducto y Circunvalación, CP 50200, Santa Clara, Cuba
| | - Angel Mollineda
- Universidad Central Marta Abreu de Las Villas, Carretera a Camajuaní km 5.5, CP 54830, Santa Clara, Cuba
| | - José L Molina
- Biomedical Research Center, Medical College of Villa Clara, Ave Acueducto y Circunvalación, CP 50200, Santa Clara, Cuba
| | - Alain Álvarez
- Biomedical Research Center, Medical College of Villa Clara, Ave Acueducto y Circunvalación, CP 50200, Santa Clara, Cuba
| | - Mayrelis Lavastida
- Biomedical Research Center, Medical College of Villa Clara, Ave Acueducto y Circunvalación, CP 50200, Santa Clara, Cuba
| | - Sonia Clapés
- Medical College of Havana, Ave 146 y 31 Cubanacán Playa, CP 11600, La Habana, Cuba
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142
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Skalnaya MG, Skalny AV, Tinkov AA. Serum copper, zinc, and iron levels, and markers of carbohydrate metabolism in postmenopausal women with prediabetes and type 2 diabetes mellitus. J Trace Elem Med Biol 2017; 43:46-51. [PMID: 27881232 DOI: 10.1016/j.jtemb.2016.11.005] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/14/2016] [Revised: 10/26/2016] [Accepted: 11/02/2016] [Indexed: 01/31/2023]
Abstract
The objective of the present study was to evaluate serum level of copper, zinc, iron and metabolic parameters in postmenopausal women with diabetes. A total of 413 postmenopausal women were enrolled in the current study. Women were divided into 4 groups with equal age and body mass index according to glycated hemoglobin (HbA1c) levels (≤5.5; 5.5-6.0; 6.0-6.5; >6.5%). Serum Fe, Cu, and Zn levels were assessed using inductively-coupled plasma mass-spectrometry. Blood HbA1c, serum glucose, insulin, C-reactive protein (CRP), ferritin, and ceruloplasmin (Cp) were assessed using commercial kits. Homeostatic model assessment insulin resistance (HOMA-IR) and transferrin (Tf) saturation were calculated. The obtained data demonstrate that every 0.5% increase in HbA1c levels from 5.5% is associated with a significant elevation of glucose, insulin, CRP, and HOMA-IR values. Diabetic patients were characterized by significantly higher Fe (11%), Cu (8%), and Zn (6%) levels as compared to the controls. At the same time, the overall trend to increased metal levels in association with HbA1c was detected only for Fe (p<0.05) and Cu (p<0.05). Serum ferritin levels in diabetic women was 3-fold higher than in the controls, whereas Tf saturation was decreased by 35%. Serum Cp levels were significantly increased by 19% in prediabetes, whereas in diabetic postmenopausal women no such increase was observed. A significant elevation of total metal concentration in diabetic subjects without a concomitant elevation of transport proteins may be indicative of increased levels of "free" Fe and Cu, known to be toxic.
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Affiliation(s)
- Margarita G Skalnaya
- Russian Society of Trace Elements in Medicine, ANO "Centre for Biotic Medicine", Zemlyanoy Val St. 46, Moscow 105064, Russia; RUDN University, Miklukho-Maklay St., 10/2, Moscow 117198, Russia
| | - Anatoly V Skalny
- RUDN University, Miklukho-Maklay St., 10/2, Moscow 117198, Russia; All-Russian Research Institute of Medicinal and Aromatic Plants (VILAR), Grina St., 7, Moscow 117216, Russia; Orenburg State University, Pobedy Avenue, 13, 460018 Orenburg, Russia; Yaroslavl State University, Sovetskaya St., 14, Yaroslavl 150000, Russia.
| | - Alexey A Tinkov
- RUDN University, Miklukho-Maklay St., 10/2, Moscow 117198, Russia; Orenburg State University, Pobedy Avenue, 13, 460018 Orenburg, Russia; Orenburg State Medical University, Sovetskaya St., 6, Orenburg 460000, Russia; Yaroslavl State University, Sovetskaya St., 14, Yaroslavl 150000, Russia
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143
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Qi YX, Qu ZB, Wang QX, Zhang M, Shi G. Nanomolar sensitive colorimetric assay for Mn 2+ using cysteic acid-capped silver nanoparticles and theoretical investigation of its sensing mechanism. Anal Chim Acta 2017. [DOI: 10.1016/j.aca.2017.05.018] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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144
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Aslam F, Iqbal S, Nasir M, Anjum AA, Swan P, Sweazea K. Evaluation of White Sesame Seed Oil on Glucose Control and Biomarkers of Hepatic, Cardiac, and Renal Functions in Male Sprague-Dawley Rats with Chemically Induced Diabetes. J Med Food 2017; 20:448-457. [PMID: 28332903 PMCID: PMC5444487 DOI: 10.1089/jmf.2016.0065] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2016] [Accepted: 12/07/2016] [Indexed: 12/12/2022] Open
Abstract
White sesame seed oil (WSSO) has been used in cooking and food preparations for centuries. It has many purported health benefits and may be a promising nutraceutical. The primary purpose of this study was to examine the effects of WSSO on fasting blood glucose (GLU) and insulin (INS) in male Sprague-Dawley rats with chemically induced diabetes. A secondary aim was to explore other hematological biomarkers of hepatic, cardiac, and renal function. Sixty-three male Sprague-Dawley rats were randomized into standard diet groups, normal control (NCON) (n = 21) and diabetic control (DCON) (n = 21), and a diabetic sesame oil (DSO) (n = 21) group, which were fed a diet containing 12% WSSO. Blood samples were analyzed at 0, 30, and 60 days. Differences between groups and across days were assessed with two-way repeated measures analysis of variance. At baseline, GLU and INS were similar in both diabetic groups, mean 248.4 ± 2.8 mg/dL and mean 23.4 ± 0.4 μU/mL, respectively. At 60 days, GLU was significantly (P < .05) higher in DCON (298.0 ± 2.3 mg/dL) compared with DSO (202.1 ± 1.0 mg/dL). INS showed similar favorable trends after WSSO supplementation. Consumption of WSSO significantly improved glucose control and other biomarkers of hepatic stress, as well as cardiac and renal health. WSSO may be a viable functional food to help reduce the detrimental effects of diabetes.
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Affiliation(s)
- Farhan Aslam
- Department of Food Science and Human Nutrition, Faculty of Biosciences, University of Veterinary and Animal Sciences Lahore, Lahore, Pakistan
| | - Sanaullah Iqbal
- Department of Food Science and Human Nutrition, Faculty of Biosciences, University of Veterinary and Animal Sciences Lahore, Lahore, Pakistan
| | - Muhammad Nasir
- Department of Food Science and Human Nutrition, Faculty of Biosciences, University of Veterinary and Animal Sciences Lahore, Lahore, Pakistan
| | - Aftab Ahmad Anjum
- Department of Microbiology, Faculty of Veterinary Sciences, University of Veterinary and Animal Sciences Lahore, Lahore, Pakistan
| | - Pamela Swan
- School of Nutrition and Health Promotion, Arizona State University, Phoenix, Arizona
| | - Karen Sweazea
- School of Nutrition and Health Promotion, Arizona State University, Phoenix, Arizona
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145
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Bjørklund G, Aaseth J, Skalny AV, Suliburska J, Skalnaya MG, Nikonorov AA, Tinkov AA. Interactions of iron with manganese, zinc, chromium, and selenium as related to prophylaxis and treatment of iron deficiency. J Trace Elem Med Biol 2017; 41:41-53. [PMID: 28347462 DOI: 10.1016/j.jtemb.2017.02.005] [Citation(s) in RCA: 72] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/29/2016] [Revised: 01/21/2017] [Accepted: 02/07/2017] [Indexed: 11/17/2022]
Abstract
Iron (Fe) deficiency is considered as the most common nutritional deficiency. Iron deficiency is usually associated with low Fe intake, blood loss, diseases, poor absorption, gastrointestinal parasites, or increased physiological demands as in pregnancy. Nutritional Fe deficiency is usually treated with Fe tablets, sometimes with Fe-containing multimineral tablets. Trace element interactions may have a significant impact on Fe status. Existing data demonstrate a tight interaction between manganese (Mn) and Fe, especially in Fe-deficient state. The influence of Mn on Fe homeostasis may be mediated through its influence on Fe absorption, circulating transporters like transferrin, and regulatory proteins. The existing data demonstrate that the influence of zinc (Zn) on Fe status may be related to their competition for metal transporters. Moreover, Zn may be involved in regulation of hepcidin production. At the same time, human data on the interplay between Fe and Zn especially in terms of Fe-deficiency and supplementation are contradictory, demonstrating both positive and negative influence of Zn on Fe status. Numerous data also demonstrate the possibility of competition between Fe and chromium (Cr) for transferrin binding. At the same time, human data on the interaction between these metals are contradictory. Therefore, while managing hypoferremia and Fe-deficiency anemia, it is recommended to assess the level of other trace elements in parallel with indices of Fe homeostasis. It is supposed that simultaneous correction of trace element status in Fe deficiency may help to decrease possible antagonistic or increase synergistic interactions.
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Affiliation(s)
- Geir Bjørklund
- Council for Nutritional and Environmental Medicine, Mo i Rana, Norway.
| | - Jan Aaseth
- Department of Public Health, Hedmark University of Applied Sciences, Elverum, Norway; Department of Research, Innlandet Hospital Trust, Brumunddal, Norway
| | - Anatoly V Skalny
- RUDN University, Moscow, Russia; Orenburg State University, Orenburg, Russia; Yaroslavl State University, Yaroslavl, Russia; All-Russian Research Institute of Medicinal and Aromatic Plants, Moscow, Russia
| | | | | | - Alexandr A Nikonorov
- Orenburg State University, Orenburg, Russia; Orenburg State Medical University, Orenburg, Russia
| | - Alexey A Tinkov
- RUDN University, Moscow, Russia; Orenburg State University, Orenburg, Russia; Yaroslavl State University, Yaroslavl, Russia; Orenburg State Medical University, Orenburg, Russia
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146
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Skalnaya MG, Skalny AV, Yurasov VV, Demidov VA, Grabeklis AR, Radysh IV, Tinkov AA. Serum Trace Elements and Electrolytes Are Associated with Fasting Plasma Glucose and HbA 1c in Postmenopausal Women with Type 2 Diabetes Mellitus. Biol Trace Elem Res 2017; 177:25-32. [PMID: 27752920 DOI: 10.1007/s12011-016-0868-z] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/19/2016] [Accepted: 10/07/2016] [Indexed: 02/06/2023]
Abstract
The primary aim of the research was to assess the level of trace elements and electrolytes in serum of postmenopausal diabetic women. Sixty-four postmenopausal women with type 2 diabetes mellitus (DM2) and 64 age- and body mass index-matched controls were examined. Serum trace elements were assessed using inductively coupled plasma dynamic reaction cell mass spectrometry (ICP-DRC-MS). Fasting plasma glucose (FPG) and glycated hemoglobin (HbA1c) levels were evaluated using Randox kits. The obtained data demonstrate that DM2 patients were characterized by 42 and 34 % higher FPG and HbA1c levels, respectively (p < 0.001). The level of Cu and Se in diabetic postmenopausal women was increased by 10 and 15 % in comparison to the respective control values (p = 0.002 and <0.001). Serum Mn, Zn, and Ni concentrations were lower than the control ones by 32 % (p = 0.003), 8 % (p = 0.003), and 23 % (p = 0.046), respectively. FPG and HbA1c levels directly correlated with serum Se (p < 0.001) and Cu (p = 0.014 and p = 0.028) concentrations and inversely related to Zn (p < 0.001) and Tl (p = 0.023 and p = 0.029) levels. Multiple regression analysis demonstrated a significant association between serum Zn and Se and FPG and HbA1c levels. It is proposed that Zn and Se play an important role in DM2 pathogenesis. Further studies are required to assess the intimate mechanisms of the observed differences.
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Affiliation(s)
- Margarita G Skalnaya
- RUDN University, Moscow, Russia
- Russian Society of Trace Elements in Medicine, ANO "Center for Biotic Medicine", Moscow, Russia
| | - Anatoly V Skalny
- RUDN University, Moscow, Russia
- Russian Society of Trace Elements in Medicine, ANO "Center for Biotic Medicine", Moscow, Russia
- Orenburg State University, Orenburg, Russia
- Yaroslavl State University, Yaroslavl, Russia
- All-Russian Research Institute of Medicinal and Aromatic Plants (VILAR), Moscow, Russia
| | | | - Vasily A Demidov
- Russian Society of Trace Elements in Medicine, ANO "Center for Biotic Medicine", Moscow, Russia
| | - Andrei R Grabeklis
- Russian Society of Trace Elements in Medicine, ANO "Center for Biotic Medicine", Moscow, Russia
- Yaroslavl State University, Yaroslavl, Russia
| | | | - Alexey A Tinkov
- RUDN University, Moscow, Russia.
- Orenburg State University, Orenburg, Russia.
- Yaroslavl State University, Yaroslavl, Russia.
- Orenburg State Medical University, Orenburg, Russia.
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147
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Affiliation(s)
- Callum Livingstone
- Clinical Biochemistry Department, Royal Surrey County Hospital, NHS Foundation Trust, Guildford, UK
- Faculty of Health and Medical Sciences, University of Surrey, Guildford, UK
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148
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Zinc Prevents the Development of Diabetic Cardiomyopathy in db/db Mice. Int J Mol Sci 2017; 18:ijms18030580. [PMID: 28272348 PMCID: PMC5372596 DOI: 10.3390/ijms18030580] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2017] [Revised: 02/23/2017] [Accepted: 02/26/2017] [Indexed: 01/04/2023] Open
Abstract
Diabetic cardiomyopathy (DCM) is highly prevalent in type 2 diabetes (T2DM) patients. Zinc is an important essential trace metal, whose deficiency is associated with various chronic ailments, including vascular diseases. We assessed T2DM B6.BKS(D)-Leprdb/J (db/db) mice fed for six months on a normal diet containing three zinc levels (deficient, adequate, and supplemented), to explore the role of zinc in DCM development and progression. Cardiac function, reflected by ejection fraction, was significantly decreased, along with increased left ventricle mass and heart weight to tibial length ratio, in db/db mice. As a molecular cardiac hypertrophy marker, atrial natriuretic peptide levels were also significantly increased. Cardiac dysfunction and hypertrophy were accompanied by significantly increased fibrotic (elevated collagen accumulation as well as transforming growth factor β and connective tissue growth factor levels) and inflammatory (enhanced expression of tumor necrosis factor alpha, interleukin-1β, caspase recruitment domain family member 9, and B-cell lymphoma/leukemia 10, and activated p38 mitogen-activated protein kinase) responses in the heart. All these diabetic effects were exacerbated by zinc deficiency, and not affected by zinc supplementation, respectively. Mechanistically, oxidative stress and damage, mirrored by the accumulation of 3-nitrotyrosine and 4-hydroxy-2-nonenal, was significantly increased along with significantly decreased expression of Nrf2 and its downstream antioxidants (NQO-1 and catalase). This was also exacerbated by zinc deficiency in the db/db mouse heart. These results suggested that zinc deficiency promotes the development and progression of DCM in T2DM db/db mice. The exacerbated effects by zinc deficiency on the heart of db/db mice may be related to further suppression of Nrf2 expression and function.
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149
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Hansen AF, Simić A, Åsvold BO, Romundstad PR, Midthjell K, Syversen T, Flaten TP. Trace elements in early phase type 2 diabetes mellitus-A population-based study. The HUNT study in Norway. J Trace Elem Med Biol 2017; 40:46-53. [PMID: 28159221 DOI: 10.1016/j.jtemb.2016.12.008] [Citation(s) in RCA: 59] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/08/2016] [Revised: 12/18/2016] [Accepted: 12/19/2016] [Indexed: 01/11/2023]
Abstract
Differences in trace elements levels between individuals with type 2 diabetes and controls have been reported in several studies in various body fluids and tissues, but results have been inconsistent. In order to examine trace element levels in the early phase of type 2 diabetes, we investigated the association between whole blood levels of 26 trace elements and the prevalence of previously undiagnosed, screening-detected type 2 diabetes. The study was conducted as a case-control study nested within the third survey of the population-based Nord-Trøndelag Health Study (HUNT3 Survey). Among participants without previously known diabetes, 128 cases of type 2 diabetes were diagnosed in people with a high diabetes risk score (FINDRISC≥15), and frequency-matched for age and sex with 755 controls. Blood samples were analyzed by high resolution inductively coupled plasma mass spectrometry. Associations between trace element levels and the prevalence of previously undiagnosed type 2 diabetes were evaluated with multivariable conditional logistic regression controlling for age, sex, body mass index, waist-to-hip ratio, education, income, smoking and family history of diabetes. The prevalence of previously undiagnosed type 2 diabetes increased across tertiles/quartiles for cadmium, chromium, iron, nickel, silver and zinc, and decreased with increasing quartiles of bromine (Ptrend<0.05). After corrections for multiple testing, associations for chromium remained significant (Qtrend<0.05), while associations for iron and silver were borderline significant. No associations were found for arsenic, boron, calcium, cesium, copper, gallium, gold, indium, lead, magnesium, manganese, mercury, molybdenum, rubidium, selenium, strontium, tantalum, thallium and tin. Our results suggest a possible role of bromine, cadmium, chromium, iron, nickel, silver and zinc in the development of type 2 diabetes.
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Affiliation(s)
- Ailin Falkmo Hansen
- Department of Chemistry, NTNU, Norwegian University of Science and Technology, Trondheim, Norway; Department of Circulation and Medical Imaging, NTNU, Norwegian University of Science and Technology, Trondheim, Norway.
| | - Anica Simić
- Department of Chemistry, NTNU, Norwegian University of Science and Technology, Trondheim, Norway
| | - Bjørn Olav Åsvold
- Department of Endocrinology, St. Olav's Hospital, Trondheim University Hospital, Trondheim, Norway; Department of Public Health and General Practice, NTNU, Norwegian University of Science and Technology, Trondheim, Norway
| | - Pål Richard Romundstad
- Department of Public Health and General Practice, NTNU, Norwegian University of Science and Technology, Trondheim, Norway
| | - Kristian Midthjell
- Department of Public Health and General Practice, NTNU, Norwegian University of Science and Technology, Trondheim, Norway; HUNT Research Centre, Levanger, Norway
| | - Tore Syversen
- Department of Neuroscience, NTNU, Norwegian University of Science and Technology, Trondheim, Norway
| | - Trond Peder Flaten
- Department of Chemistry, NTNU, Norwegian University of Science and Technology, Trondheim, Norway
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150
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A proteomic approach to identify metalloproteins and metal-binding proteins in liver from diabetic rats. Int J Biol Macromol 2017; 96:817-832. [DOI: 10.1016/j.ijbiomac.2016.12.073] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2016] [Revised: 12/10/2016] [Accepted: 12/21/2016] [Indexed: 01/09/2023]
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