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Lorenzo-Mora AM, López-Sobaler AM, Bermejo LM, González-Rodríguez LG, Cuadrado-Soto E, Peral-Suárez Á, Salas-González MD, Delgado-Losada ML, Rodríguez-Rojo IC, Barabash A, Maestú-Unturbe F, Aparicio A. Association between Mineral Intake and Cognition Evaluated by Montreal Cognitive Assessment (MoCA): A Cross-Sectional Study. Nutrients 2023; 15:4505. [PMID: 37960158 PMCID: PMC10648921 DOI: 10.3390/nu15214505] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Revised: 09/27/2023] [Accepted: 10/20/2023] [Indexed: 11/15/2023] Open
Abstract
BACKGROUND Mineral intake may protect against cognitive impairment (CI) and all-cause dementia, which affects a large number of adults worldwide. The aim of this study was to investigate the association between mineral intake and Montreal Cognitive Assessment (MoCA), which is a sensitive and specific test. METHODS In total, 201 adults were included in a cross-sectional study. They completed a three-day dietary record to estimate their average daily intake of minerals. Contributions to dietary reference intakes (DRIs) were also calculated. The participants were divided into tertiles according to their mineral intake. CI classifications were determined via the MoCA (score < 26). Apolipoprotein E (APOE) genotyping was carried out, and the patients' anthropometric measurements and physical activity, health and personal data were collected. RESULTS The prevalence of CI in this selective sample was 54.2% (34.3% females and 19.9% males). In women, being in the third tertiles of iron and manganese intake was associated with lower odds of having CI (OR [95% CI]: 0.32 [0.11 ± 0.93]; 0.33 [0.12 ± 0.93], p < 0.05). No significant differences were observed for any of the nutrients studied in men. CONCLUSIONS These findings suggest that a low mineral intake, especially low iron and manganese intake in women, is associated with a worse cognition as assessed by MoCA.
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Affiliation(s)
- Ana M. Lorenzo-Mora
- Department of Nutrition and Food Science, Faculty of Pharmacy, Complutense University of Madrid, 28040 Madrid, Spain; (A.M.L.-M.); (A.M.L.-S.); (L.M.B.); (E.C.-S.); (Á.P.-S.); (M.D.S.-G.); (A.A.)
| | - Ana M. López-Sobaler
- Department of Nutrition and Food Science, Faculty of Pharmacy, Complutense University of Madrid, 28040 Madrid, Spain; (A.M.L.-M.); (A.M.L.-S.); (L.M.B.); (E.C.-S.); (Á.P.-S.); (M.D.S.-G.); (A.A.)
- VALORNUT Research Group, Complutense University of Madrid, 28040 Madrid, Spain;
- San Carlos Health Research Institute (IdISSC), 28040 Madrid, Spain;
| | - Laura M. Bermejo
- Department of Nutrition and Food Science, Faculty of Pharmacy, Complutense University of Madrid, 28040 Madrid, Spain; (A.M.L.-M.); (A.M.L.-S.); (L.M.B.); (E.C.-S.); (Á.P.-S.); (M.D.S.-G.); (A.A.)
- VALORNUT Research Group, Complutense University of Madrid, 28040 Madrid, Spain;
- San Carlos Health Research Institute (IdISSC), 28040 Madrid, Spain;
| | - Liliana G. González-Rodríguez
- Department of Nutrition and Food Science, Faculty of Pharmacy, Complutense University of Madrid, 28040 Madrid, Spain; (A.M.L.-M.); (A.M.L.-S.); (L.M.B.); (E.C.-S.); (Á.P.-S.); (M.D.S.-G.); (A.A.)
- VALORNUT Research Group, Complutense University of Madrid, 28040 Madrid, Spain;
| | - Esther Cuadrado-Soto
- Department of Nutrition and Food Science, Faculty of Pharmacy, Complutense University of Madrid, 28040 Madrid, Spain; (A.M.L.-M.); (A.M.L.-S.); (L.M.B.); (E.C.-S.); (Á.P.-S.); (M.D.S.-G.); (A.A.)
- VALORNUT Research Group, Complutense University of Madrid, 28040 Madrid, Spain;
| | - África Peral-Suárez
- Department of Nutrition and Food Science, Faculty of Pharmacy, Complutense University of Madrid, 28040 Madrid, Spain; (A.M.L.-M.); (A.M.L.-S.); (L.M.B.); (E.C.-S.); (Á.P.-S.); (M.D.S.-G.); (A.A.)
- School of Sport, Exercise and Health Sciences, Loughborough LE11 3TU, UK
| | - María Dolores Salas-González
- Department of Nutrition and Food Science, Faculty of Pharmacy, Complutense University of Madrid, 28040 Madrid, Spain; (A.M.L.-M.); (A.M.L.-S.); (L.M.B.); (E.C.-S.); (Á.P.-S.); (M.D.S.-G.); (A.A.)
- VALORNUT Research Group, Complutense University of Madrid, 28040 Madrid, Spain;
| | - María Luisa Delgado-Losada
- VALORNUT Research Group, Complutense University of Madrid, 28040 Madrid, Spain;
- San Carlos Health Research Institute (IdISSC), 28040 Madrid, Spain;
- Department of Experimental Psychology, Cognitive Processes and Speech Therapy, Faculty of Psychology, Complutense University of Madrid, 28223 Madrid, Spain
| | - Inmaculada C. Rodríguez-Rojo
- Center for Cognitive and Computational Neuroscience, Complutense University of Madrid, 28223 Madrid, Spain;
- Department of Nursing and Physiotherapy, Faculty of Medicine and Health Sciences, Universidad de Alcalá, 28871 Madrid, Spain
| | - Ana Barabash
- Faculty of Medicine, Department of Medicine, Complutense University of Madrid, 28040 Madrid, Spain;
- Endocrinology and Nutrition Department, Hospital Clínico Universitario San Carlos, Instituto de Investigación Sanitaria del Hospital Clínico San Carlos (IdISSC), 28040 Madrid, Spain
- Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM), 28029 Madrid, Spain
| | - Fernando Maestú-Unturbe
- San Carlos Health Research Institute (IdISSC), 28040 Madrid, Spain;
- Department of Experimental Psychology, Cognitive Processes and Speech Therapy, Faculty of Psychology, Complutense University of Madrid, 28223 Madrid, Spain
- Center for Cognitive and Computational Neuroscience, Complutense University of Madrid, 28223 Madrid, Spain;
| | - Aránzazu Aparicio
- Department of Nutrition and Food Science, Faculty of Pharmacy, Complutense University of Madrid, 28040 Madrid, Spain; (A.M.L.-M.); (A.M.L.-S.); (L.M.B.); (E.C.-S.); (Á.P.-S.); (M.D.S.-G.); (A.A.)
- VALORNUT Research Group, Complutense University of Madrid, 28040 Madrid, Spain;
- San Carlos Health Research Institute (IdISSC), 28040 Madrid, Spain;
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Gagliardi JP. Eat More Copper? Am J Geriatr Psychiatry 2023; 31:764-766. [PMID: 37353433 DOI: 10.1016/j.jagp.2023.05.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Accepted: 05/30/2023] [Indexed: 06/25/2023]
Affiliation(s)
- Jane P Gagliardi
- Departments of Psychiatry and Behavioral Sciences and of Medicine, Duke University School of Medicine, Durham, NC.
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3
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Meng Q, Liu C, Zu C, Wei Y, Su X, Gan X, Zhang Y, He P, Zhou C, Liu M, Ye Z, Qin X. Association Between Dietary Copper Intake and Cognitive Decline: A Perspective Cohort Study in Chinese Elderly. Am J Geriatr Psychiatry 2023; 31:753-763. [PMID: 37263860 DOI: 10.1016/j.jagp.2023.05.001] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/10/2023] [Revised: 05/03/2023] [Accepted: 05/04/2023] [Indexed: 06/03/2023]
Abstract
OBJECTIVE The association between dietary copper (Cu) intake and cognitive decline remains uncertain. We aim to investigate the longitudinal association of dietary Cu with cognitive decline in Chinese elderly. METHODS A total of 3,106 Chinese adults aged older than or equal to 55 years from China Health and Nutrition Survey (CHNS) were included. Dietary nutrients information was collected by 24-hours dietary recalls in combination with a food-weighted method. The 5-year change rates in global or composite cognitive scores based on a subset of items from the Telephone Interview for Cognitive Status-modified (TICS-m) was calculated as the last-survey score minus the baseline score, then divided by the follow-up time (unit, years) and multiplied by five. RESULTS The median follow-up duration was 5.9 years. There was a nonlinear association of dietary Cu intake with the 5-year change rates in global or composite cognitive scores, with the inflection point at approximately 1.3 mg/day of dietary Cu intake. Accordingly, for the composite cognitive score, compared to the first quantile (<1.28 mg/day), those with dietary Cu in quantiles 2-8 (≥1.28 mg/day) had a significantly slower cognitive decline rate (B, 0.30; 95% CI, 0.13, 0.47). Similar results were found for the global cognitive score. Moreover, the inverse association between dietary Cu and cognitive decline was stronger in those with lower dietary fat intake and lower levels of physical activity (All p-interactions <0.05). CONCLUSION There was a nonlinear inverse association of dietary Cu intake with cognitive decline in the elderly, with an inflection point at approximately 1.3 mg/day of dietary Cu intake.
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Affiliation(s)
- Qiguo Meng
- Department of Epidemiology and Biostatistics (QM, CL, CZ, YW, XS, XQ), School of Public Health, Anhui Medical University, Hefei, Anhui, China; Institute of Biomedicine (QM, CL, CZ, YW, XS, XQ), Anhui Medical University, Hefei, China; Division of Nephrology (QM, CL, CZ, YW, XS, XG, YZ, PH, CZ, ML, ZY, XQ), Nanfang Hospital, Southern Medical University; National Clinical Research Center for Kidney Disease, State Key Laboratory of Organ Failure Research; Guangdong Provincial Institute of Nephrology, Guangdong Provincial Key Laboratory of Renal Failure Research, Guangzhou Regenerative Medicine and Health Guangdong Laboratory, Guangzhou, China
| | - Chengzhang Liu
- Department of Epidemiology and Biostatistics (QM, CL, CZ, YW, XS, XQ), School of Public Health, Anhui Medical University, Hefei, Anhui, China; Institute of Biomedicine (QM, CL, CZ, YW, XS, XQ), Anhui Medical University, Hefei, China; Division of Nephrology (QM, CL, CZ, YW, XS, XG, YZ, PH, CZ, ML, ZY, XQ), Nanfang Hospital, Southern Medical University; National Clinical Research Center for Kidney Disease, State Key Laboratory of Organ Failure Research; Guangdong Provincial Institute of Nephrology, Guangdong Provincial Key Laboratory of Renal Failure Research, Guangzhou Regenerative Medicine and Health Guangdong Laboratory, Guangzhou, China
| | - Cheng Zu
- Department of Epidemiology and Biostatistics (QM, CL, CZ, YW, XS, XQ), School of Public Health, Anhui Medical University, Hefei, Anhui, China; Institute of Biomedicine (QM, CL, CZ, YW, XS, XQ), Anhui Medical University, Hefei, China; Division of Nephrology (QM, CL, CZ, YW, XS, XG, YZ, PH, CZ, ML, ZY, XQ), Nanfang Hospital, Southern Medical University; National Clinical Research Center for Kidney Disease, State Key Laboratory of Organ Failure Research; Guangdong Provincial Institute of Nephrology, Guangdong Provincial Key Laboratory of Renal Failure Research, Guangzhou Regenerative Medicine and Health Guangdong Laboratory, Guangzhou, China
| | - Yuanxiu Wei
- Department of Epidemiology and Biostatistics (QM, CL, CZ, YW, XS, XQ), School of Public Health, Anhui Medical University, Hefei, Anhui, China; Institute of Biomedicine (QM, CL, CZ, YW, XS, XQ), Anhui Medical University, Hefei, China; Division of Nephrology (QM, CL, CZ, YW, XS, XG, YZ, PH, CZ, ML, ZY, XQ), Nanfang Hospital, Southern Medical University; National Clinical Research Center for Kidney Disease, State Key Laboratory of Organ Failure Research; Guangdong Provincial Institute of Nephrology, Guangdong Provincial Key Laboratory of Renal Failure Research, Guangzhou Regenerative Medicine and Health Guangdong Laboratory, Guangzhou, China
| | - Xinyue Su
- Department of Epidemiology and Biostatistics (QM, CL, CZ, YW, XS, XQ), School of Public Health, Anhui Medical University, Hefei, Anhui, China; Institute of Biomedicine (QM, CL, CZ, YW, XS, XQ), Anhui Medical University, Hefei, China; Division of Nephrology (QM, CL, CZ, YW, XS, XG, YZ, PH, CZ, ML, ZY, XQ), Nanfang Hospital, Southern Medical University; National Clinical Research Center for Kidney Disease, State Key Laboratory of Organ Failure Research; Guangdong Provincial Institute of Nephrology, Guangdong Provincial Key Laboratory of Renal Failure Research, Guangzhou Regenerative Medicine and Health Guangdong Laboratory, Guangzhou, China
| | - Xiaoqin Gan
- Division of Nephrology (QM, CL, CZ, YW, XS, XG, YZ, PH, CZ, ML, ZY, XQ), Nanfang Hospital, Southern Medical University; National Clinical Research Center for Kidney Disease, State Key Laboratory of Organ Failure Research; Guangdong Provincial Institute of Nephrology, Guangdong Provincial Key Laboratory of Renal Failure Research, Guangzhou Regenerative Medicine and Health Guangdong Laboratory, Guangzhou, China
| | - Yuanyuan Zhang
- Division of Nephrology (QM, CL, CZ, YW, XS, XG, YZ, PH, CZ, ML, ZY, XQ), Nanfang Hospital, Southern Medical University; National Clinical Research Center for Kidney Disease, State Key Laboratory of Organ Failure Research; Guangdong Provincial Institute of Nephrology, Guangdong Provincial Key Laboratory of Renal Failure Research, Guangzhou Regenerative Medicine and Health Guangdong Laboratory, Guangzhou, China
| | - Panpan He
- Division of Nephrology (QM, CL, CZ, YW, XS, XG, YZ, PH, CZ, ML, ZY, XQ), Nanfang Hospital, Southern Medical University; National Clinical Research Center for Kidney Disease, State Key Laboratory of Organ Failure Research; Guangdong Provincial Institute of Nephrology, Guangdong Provincial Key Laboratory of Renal Failure Research, Guangzhou Regenerative Medicine and Health Guangdong Laboratory, Guangzhou, China
| | - Chun Zhou
- Division of Nephrology (QM, CL, CZ, YW, XS, XG, YZ, PH, CZ, ML, ZY, XQ), Nanfang Hospital, Southern Medical University; National Clinical Research Center for Kidney Disease, State Key Laboratory of Organ Failure Research; Guangdong Provincial Institute of Nephrology, Guangdong Provincial Key Laboratory of Renal Failure Research, Guangzhou Regenerative Medicine and Health Guangdong Laboratory, Guangzhou, China
| | - Mengyi Liu
- Division of Nephrology (QM, CL, CZ, YW, XS, XG, YZ, PH, CZ, ML, ZY, XQ), Nanfang Hospital, Southern Medical University; National Clinical Research Center for Kidney Disease, State Key Laboratory of Organ Failure Research; Guangdong Provincial Institute of Nephrology, Guangdong Provincial Key Laboratory of Renal Failure Research, Guangzhou Regenerative Medicine and Health Guangdong Laboratory, Guangzhou, China
| | - Ziliang Ye
- Division of Nephrology (QM, CL, CZ, YW, XS, XG, YZ, PH, CZ, ML, ZY, XQ), Nanfang Hospital, Southern Medical University; National Clinical Research Center for Kidney Disease, State Key Laboratory of Organ Failure Research; Guangdong Provincial Institute of Nephrology, Guangdong Provincial Key Laboratory of Renal Failure Research, Guangzhou Regenerative Medicine and Health Guangdong Laboratory, Guangzhou, China
| | - Xianhui Qin
- Department of Epidemiology and Biostatistics (QM, CL, CZ, YW, XS, XQ), School of Public Health, Anhui Medical University, Hefei, Anhui, China; Institute of Biomedicine (QM, CL, CZ, YW, XS, XQ), Anhui Medical University, Hefei, China; Division of Nephrology (QM, CL, CZ, YW, XS, XG, YZ, PH, CZ, ML, ZY, XQ), Nanfang Hospital, Southern Medical University; National Clinical Research Center for Kidney Disease, State Key Laboratory of Organ Failure Research; Guangdong Provincial Institute of Nephrology, Guangdong Provincial Key Laboratory of Renal Failure Research, Guangzhou Regenerative Medicine and Health Guangdong Laboratory, Guangzhou, China.
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4
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MELEK İM, KUŞ B, KAPTAN Z, PETEKKAYA E. Correlation of metal ions with specific brain region volumes in neurodegenerative diseases. Turk J Med Sci 2023; 53:1465-1475. [PMID: 38812995 PMCID: PMC10763799 DOI: 10.55730/1300-0144.5714] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Revised: 10/26/2023] [Accepted: 08/26/2023] [Indexed: 05/31/2024] Open
Abstract
Background/aim There are reports stating that deteriorations in metal homeostasis in neurodegenerative diseases promote abnormal protein accumulation. In this study, the serum metal levels in Alzheimer's disease (AD) and Parkinson's disease (PD) and its relationship with the cortical regions of the brain were investigated. Materials and methods The patients were divided into 3 groups consisting of the AD group, PD group, and healthy control group (n = 15 for each). The volumes of specific brain regions were measured over the participants' 3-dimensional magnetic resonance images, and they were compared across the groups. Copper, zinc, iron, and ferritin levels in the serums were determined, and their correlations with the brain region volumes were examined. Results The volumes of left hippocampus and right substantia nigra were lower in the AD and PD groups, while the volume of the left nucleus caudatus (CdN) and bilateral insula were lower in the AD group compared to the control group. Serum zinc levels were lower in the AD and PD groups, while the iron level was lower in the PD group in comparison to the control group. In addition, the serum ferritin level was higher in the AD group than in the control group. Serum zinc and copper levels in the AD group were positively correlated with the volumes of the right entorhinal cortex, thalamus, CdN, and insula. Serum zinc and copper levels in the PD group showed a negative correlation with the left nucleus accumbens (NAc), right putamen, and right insula volumes. While the serum ferritin level in the PD group displayed a positive correlation with the bilateral CdN, putamen, and NAc, as well as the right hippocampus and insula volumes, no area was detected that showed a correlation with the serum ferritin level in the AD group. Conclusion A relationship was determined between the serum metal levels in the AD and PD groups and certain brain cortical regions that showed volumetric changes, which can be important for the early diagnosis of neurodegenerative diseases.
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Affiliation(s)
- İsmet Murat MELEK
- Department of Neurology, Faculty of Medicine, Hatay Mustafa Kemal University, Hatay,
Turkiye
| | - Berna KUŞ
- Department of Biochemistry, Faculty of Medicine, Hatay Mustafa Kemal University, Hatay,
Turkiye
| | - Zülal KAPTAN
- Department of Physiology, Faculty of Medicine, Beykent University, İstanbul,
Turkiye
| | - Emine PETEKKAYA
- Department of Anatomy, Faculty of Medicine, Kastamonu University, Kastamonu,
Turkiye
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Neckel A, Toscan PC, Kujawa HA, Bodah BW, Korcelski C, Maculan LS, de Almeida Silva CCO, Junior ACG, Snak A, Moro LD, Silva LFO. Hazardous elements in urban cemeteries and possible architectural design solutions for a more sustainable environment. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:50675-50689. [PMID: 36800092 PMCID: PMC9936489 DOI: 10.1007/s11356-023-25891-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Accepted: 02/08/2023] [Indexed: 04/16/2023]
Abstract
The general objective of this study is to identify the presence of hazardous elements in the soils of five urban cemeteries in the city of Passo Fundo, in southern Brazil, and to design solutions (architecturally) for future cemeteries to be more sustainable by mitigating toxicological risks to the population residing in the area. A total of 250 soil samples were obtained from points within the cemeteries and in areas surrounding the two oldest cemeteries at a distance of up to 400 m. Twelve architects who design cemeteries primarily focused on sustainability were interviewed, and presented their suggestions for sustainable urban cemetery design. The Building Information Modeling (BIM) computer modeling system was utilized to present a visual representation of suggested architectural features by these architects. The concentration of Pb in the vicinity of cemeteries deserves special attention, as concentrations of this neurotoxin exceed the federal limits set by Brazil. Soil Pb values were found to exceed the limit of 72 mg kg-1 up to a distance of 400 m from the walls of cemeteries A and B, indicating the presence of a danger to human health even at greater distances. This manuscript highlights construction features that enable future burial structures to adequately mitigate the very real problem of contaminants entering the environment from current cemetery design. Two-thirds of the technicians interviewed for this manuscript, each of whom specialize in Brazilian cemetery design, highlighted the importance of revitalizing urban vegetation both when constructing and revitalizing urban vertical cemeteries.
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Affiliation(s)
- Alcindo Neckel
- Atitus Educação, 304, Passo Fundo, RS, 99070-220, Brazil.
| | | | | | - Brian William Bodah
- Atitus Educação, 304, Passo Fundo, RS, 99070-220, Brazil
- Thaines and Bodah Center for Education and Development, 840 South Meadowlark Lane, Othello, WA, 99344, USA
- Yakima Valley College, Workforce Education & Applied Baccalaureate Programs, South16th Avenue & Nob Hill Boulevard, Yakima, WA, 98902, USA
| | | | | | | | - Affonso Celso Gonçalves Junior
- Center for Medical and Pharmaceutical Sciences, State University of Western Paraná - UNIOESTE, 1619 R, Universitária, Cascavel, PR, 85819-110, Brazil
| | - Aline Snak
- Center for Medical and Pharmaceutical Sciences, State University of Western Paraná - UNIOESTE, 1619 R, Universitária, Cascavel, PR, 85819-110, Brazil
| | - Leila Dal Moro
- Atitus Educação, 304, Passo Fundo, RS, 99070-220, Brazil
| | - Luis F O Silva
- Department of Civil and Environmental Engineering, Universidad de La Costa, CUC, Calle 58 # 55-66, Barranquilla, Atlántico, Colombia
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Zhao D, Huang Y, Wang B, Chen H, Pan W, Yang M, Xia Z, Zhang R, Yuan C. Dietary Intake Levels of Iron, Copper, Zinc, and Manganese in Relation to Cognitive Function: A Cross-Sectional Study. Nutrients 2023; 15:nu15030704. [PMID: 36771411 PMCID: PMC9921562 DOI: 10.3390/nu15030704] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2022] [Revised: 01/25/2023] [Accepted: 01/27/2023] [Indexed: 02/01/2023] Open
Abstract
Background: Previous studies have related circulating levels of trace metal elements, of which dietary intake is the major source, to cognitive outcomes. However, there are still relatively few studies evaluating the associations of dietary intake levels of iron, copper, zinc, and manganese with cognitive function (CF). Methods: We leveraged the data of 6863 participants (mean [standard deviation] age = 66.7 [10.5] years) in the Health and Retirement Study (2013/2014). Dietary intake levels of iron, copper, zinc, and manganese were calculated from a semi-quantitative food frequency questionnaire. CF was assessed using the 27-point modified Telephone Interview for Cognitive Status (TICS). We used linear regression models to calculate the mean differences in global CF scores by quintiles of dietary intake levels of trace metal elements. Results: Among the study participants, the mean (SD) values of daily dietary intake were 13.3 (6.3) mg for iron, 1.4 (0.7) mg for copper, 10.7 (4.6) mg for zinc, and 3.3 (1.6) mg for manganese. Compared with the lowest quintile of dietary iron intake (<8.1 mg), the highest quintile (≥17.7 mg) was associated with a lower cognitive score (-0.50, -0.94 to -0.06, P-trend = 0.007). Higher dietary copper was significantly associated with poorer CF (P-trend = 0.002), and the mean difference in cognitive score between extreme quintiles (≥1.8 vs. <0.8 mg) was -0.52 (95% confidence interval: -0.94 to -0.10) points. We did not observe significant associations for dietary intake of zinc (P-trend = 0.785) and manganese (P-trend = 0.368). Conclusion: In this cross-sectional study, higher dietary intake of iron and copper was related to worse CF, but zinc and manganese intake levels were not significantly associated with CF.
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Affiliation(s)
- Dong Zhao
- Department of Nutrition and Food Safety, Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou 310051, China
| | - Yilun Huang
- School of Public Health, Zhejiang University School of Medicine, Hangzhou 310051, China
- College of Biosystem Engineering and Food Science, Zhejiang University, Hangzhou 310051, China
| | - Binghan Wang
- School of Public Health, Zhejiang University School of Medicine, Hangzhou 310051, China
| | - Hui Chen
- School of Public Health, Zhejiang University School of Medicine, Hangzhou 310051, China
| | - Wenfei Pan
- School of Public Health, Zhejiang University School of Medicine, Hangzhou 310051, China
| | - Min Yang
- School of Public Health, Zhejiang University School of Medicine, Hangzhou 310051, China
| | - Zhidan Xia
- School of Public Health, Zhejiang University School of Medicine, Hangzhou 310051, China
| | - Ronghua Zhang
- Department of Nutrition and Food Safety, Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou 310051, China
- Correspondence: (R.Z.); (C.Y.)
| | - Changzheng Yuan
- School of Public Health, Zhejiang University School of Medicine, Hangzhou 310051, China
- Correspondence: (R.Z.); (C.Y.)
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7
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Franco DS, Georgin J, Villarreal Campo LA, Mayoral MA, Goenaga JO, Fruto CM, Neckel A, Oliveira ML, Ramos CG. The environmental pollution caused by cemeteries and cremations: A review. CHEMOSPHERE 2022; 307:136025. [PMID: 35985390 DOI: 10.1016/j.chemosphere.2022.136025] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Revised: 08/06/2022] [Accepted: 08/08/2022] [Indexed: 06/15/2023]
Abstract
In recent years the funeral industry has drawn attention from the scientific community concerning the potential pollution of the environment and the urban environment. In this review, the pollution caused by the cemeteries and crematoria around the world was addressed. The traditional burial leads to the production of ions, in the form of organic and heavy metals, bacteria, fungi, and viruses, that spread along with the soil and underwater. The crematoria produce small particles, trace gases (SOx, NOx, CO), and toxic organic volatiles. The effluent generated by both methods can lead to several environmental problems and further threaten human health. The current solution for the cemeteries in the development of a system in which effluent generated by the traditional burials are collected and treated before realizing in the environment. In addition to that, the green burial should be an alternative, since the corpse does not go through the embalming process, thus eliminating the presence of any undesired chemicals, that are further leached onto the environment. The crematoria should be employed as it is, however, the gas treatment station should be employed, to ensure the minimization of the impact on the environment. Last, future researches regarding the treatment of the cemeteries leached still need to be explored as well as the optimization and further development of the crematoria gas treatment process.
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Affiliation(s)
- Dison Sp Franco
- Department of Civil and Environmental, Universidad de la Costa, CUC, Calle 58 # 55-66, Barranquilla, Atlántico, 080002, Colombia.
| | - Jordana Georgin
- Graduate Program in Civil Engineering, Federal University of Santa Maria, 97105-900, Santa Maria, Brazil
| | - Luis Angel Villarreal Campo
- Department of Civil and Environmental, Universidad de la Costa, CUC, Calle 58 # 55-66, Barranquilla, Atlántico, 080002, Colombia
| | - Maria Arango Mayoral
- Department of Civil and Environmental, Universidad de la Costa, CUC, Calle 58 # 55-66, Barranquilla, Atlántico, 080002, Colombia
| | - Jose Orozco Goenaga
- Department of Civil and Environmental, Universidad de la Costa, CUC, Calle 58 # 55-66, Barranquilla, Atlántico, 080002, Colombia
| | - Carolina Moreno Fruto
- Department of Civil and Environmental, Universidad de la Costa, CUC, Calle 58 # 55-66, Barranquilla, Atlántico, 080002, Colombia
| | - Alcindo Neckel
- Faculdade Meridional, IMED, 304- Passo Fundo, RS 99070-220, Brazil
| | - Marcos Leandro Oliveira
- Universidade Federal de Santa Catarina R. Eng. Agronômico Andrei Cristian Ferreira, s/n - Trindade, Florianópolis, SC, 88040-900, Brasil
| | - Claudete Gindri Ramos
- Department of Civil and Environmental, Universidad de la Costa, CUC, Calle 58 # 55-66, Barranquilla, Atlántico, 080002, Colombia.
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8
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Kazemi T, Moodi M, Rajabi S, Sharifi F, Samarghandian S, Khorashadizadeh M, Farkhondeh T. Trace element concentration and cognitive dysfunction in elderly residents in Birjand. Curr Alzheimer Res 2022; 19:CAR-EPUB-126285. [PMID: 36100996 DOI: 10.2174/1567205019666220913114154] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Revised: 07/14/2022] [Accepted: 08/11/2022] [Indexed: 11/22/2022]
Abstract
Trace elements were suggested to have a main role in modulating cognitive function. However, there are several controversial findings regarding the association between serum trace element concentration and cognitive function in patients with cognitive disorders. Thus, this study aimed to evaluate the changes in serum trace element concentrations in elderly with cognitive dysfunction versus the participants with normal cognitive function. This cross-sectional study included 191 older adults over 60 years from Birjand County, Iran. Participants were assessed for cognitive performance and serum trace elements concentration including aluminum (AL), cobalt (Co), cadmium (Cd), Chrome (Cr), copper (Cu), Iron (Fe), magnesium (Mg), manganese (Mn), selenium (Se) and zinc (Zn). Our findings showed no significant difference in the serum concentration of AL, Co, Cr, Zn, Fe, Mg, Mn, and Se of elderly with cognitive dysfunction versus the subjects with normal cognitive function. However, the concentration of Cu significantly increased in the serum of the elderly with cognitive dysfunction versus participants with normal function. In conclusion, our study indicated an increase in the serum concentration of Cu in the elderly with cognitive dysfunction in the sample of the Birjand Longitudinal Aging Study. However, due to the main limitations of our study including low sample size and cross-section design, these findings should be interpreted with caution.
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Affiliation(s)
- Toba Kazemi
- Cardiovascular Diseases Research Center, Birjand University of Medical Sciences, Birjand, Iran
| | - Mitra Moodi
- Social Determinants of Health Research Center, Department of Health Promotion and Education, School of Health, Birjand University of Medical Sciences, Birjand, Iran
| | - Shahnaz Rajabi
- Student Research Committee, Birjand University of Medical Sciences, Birjand, Iran
| | - Farshad Sharifi
- Elderly Health Research Center, Endocrinology and Metabolism Population Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Saeed Samarghandian
- Healthy Ageing Research Centre, Neyshabur University of Medical Sciences, Neyshabur, Iran
| | - Masoumeh Khorashadizadeh
- Social Determinants of Health Research Center, Department of Health Promotion and Education, School of Health, Birjand University of Medical Sciences, Birjand, Iran
| | - Tahereh Farkhondeh
- Social Determinants of Health Research Center, Department of Health Promotion and Education, School of Health, Birjand University of Medical Sciences, Birjand, Iran
- Department of Toxicology and Pharmacology, School of Pharmacy, Birjand University of Medical Sciences, Birjand, Iran
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9
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Davies TC. The position of geochemical variables as causal co-factors of diseases of unknown aetiology. SN APPLIED SCIENCES 2022; 4:236. [PMID: 35909942 PMCID: PMC9326422 DOI: 10.1007/s42452-022-05113-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Accepted: 07/06/2022] [Indexed: 11/28/2022] Open
Abstract
Abstract The term diseases of unknown aetiology (DUA) or idiopathic diseases is used to describe diseases that are of uncertain or unknown cause or origin. Among plausible geoenvironmental co-factors in causation of DUA, this article focusses on the entry of trace elements, including metals and metalloids into humans, and their involvement in humoral and cellular immune responses, representing potentially toxic agents with implications as co-factors for certain DUA. Several trace elements/metals/metalloids (micronutrients) play vital roles as co-factors for essential enzymes and antioxidant molecules, thus, conferring protection against disease. However, inborn errors of trace element/metal/metalloid metabolisms can occur to produce toxicity, such as when there are basic defects in the element transport mechanism. Ultimately, it is the amount of trace element, metal or metalloid that is taken up, its mode of accumulation in human tissues, and related geomedical attributes such as the chemical form and bioavailability that decisively determine whether the exerted effects are toxic or beneficial. Several case descriptions of DUA that are common worldwide are given to illustrate our knowledge so far of how trace element/metal/metalloid interactions in the immune system may engender its dysregulation and be implicated as causal co-factors of DUA. Article highlights The importance of a proper understanding of geochemical perturbations in human metabolisms is emphasisedIt is proferred that such an understanding would aid greatly in the decipherment of diseases of unknown aetiology (DUA)The thesis presented may pave the way towards better diagnosis and therapy of DUA.
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Affiliation(s)
- Theophilus C. Davies
- Present Address: Faculty of Natural Sciences, Mangosuthu University of Technology, 511 Mangosuthu Highway, 4031, KwaZulu Natal, South Africa
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10
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Cilliers K. Trace element alterations in Alzheimer's disease: A review. Clin Anat 2021; 34:766-773. [PMID: 33580904 DOI: 10.1002/ca.23727] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2020] [Revised: 02/02/2021] [Accepted: 02/05/2021] [Indexed: 12/27/2022]
Abstract
Dyshomeostasis of trace elements have been implicated in the progression of Alzheimer's disease (AD), which is characterized by amyloid-β (Aβ) plaques. Trace elements are particularly associated with the Aβ plaques. Metal-protein attenuating compounds have been developed to inhibit metals from binding to Aβ proteins, which result in Aβ termination, in the hope of improving cognitive functioning. However, there are still some contradicting reports. This review aims to first establish which trace elements are increased or decreased in the brains of Alzheimer's patients, and secondly, to review the effectiveness of clinical trials with metal-protein attenuating compounds for AD. Studies have consistently reported unchanged or increased iron, contradicting reports for zinc, decreased copper, unchanged or decreased manganese, inconsistent results for calcium, and magnesium seems to be unaffected. However, varied results have been reported for all trace elements. Clinical trials using metal-protein attenuating compounds to treat AD have also reported varied results. Copper chelators have repeatedly been used in clinical trials, even though few studies report increased brain copper levels in AD patients. Homeostasis of copper levels is important since copper has a vital role in several enzymes, such as cytochrome c, Cu/Zn superoxide dismutase and ceruloplasmin. Dyshomeostasis of copper levels can lead to increased oxidative stress and neuronal loss. Future studies should assess a variety of trace element levels in moderately and severely affected AD patients since there are contradicting reports. This review thus provides some insight into trace element alterations in the brains of individuals with AD.
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Affiliation(s)
- Karen Cilliers
- Department of Biomedical Sciences, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, Western Cape, South Africa
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11
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Neckel A, Korcelski C, Kujawa HA, Schaefer da Silva I, Prezoto F, Walker Amorin AL, Maculan LS, Gonçalves AC, Bodah ET, Bodah BW, Dotto GL, Silva LFO. Hazardous elements in the soil of urban cemeteries; constructive solutions aimed at sustainability. CHEMOSPHERE 2021; 262:128248. [PMID: 32962839 DOI: 10.1016/j.chemosphere.2020.128248] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/03/2020] [Revised: 08/28/2020] [Accepted: 09/01/2020] [Indexed: 05/21/2023]
Abstract
Urban cemeteries on a global scale raise concerns due to their potential to concentrate differing levels of hazardous pollutants in their native soils due to the unnatural concentration of burials in a limited space. It is paramount for sustainability that designers of future cemeteries take this into account in order to minimize the deposition and movement of these contaminants within the soil profile. The objective of this manuscript is to identify the levels of certain hazardous element contamination, specifically heavy metals, in the soil of horizontal urban cemeteries that do not utilize herbicides for weed control. In this, solutions were sought for the construction of future urban cemeteries capable of mitigating further contamination of the environment by the increase in interments. The soils of three urban cemeteries (A, B and C) in the Brazilian city of Carazinho, in Rio Grande do Sul State, were sampled with 5 monitoring points in the internal area and 5 points in the external area of the cemeteries. At each point, 3 replications were performed at two depths (0-20 and 20-40 cm), totaling 180 samples in all, to determine the concentration of the following metals: copper (Cu), zinc (Zn), iron (Fe), manganese (Mn), lead (Pb), and chromium (Cr) (g kg-1). In addition, online interviews with 15 architects who design cemeteries were conducted. Architectural design solutions to mitigate environmental contamination were modeled utilizing the Building Information Modeling system (BIM). The results showed an excess of Cu in the soil of cemeteries A, B and C, surpassing the standards allowed by Brazilian federal regulations. A total of 80% of the interviewed architects expressed their preference for the vertical cemetery, with gas and effluent treatment systems to mitigate environmental impacts.
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Affiliation(s)
- Alcindo Neckel
- Faculdade Meridional - IMED, Rua General Prestes Guimarães, 304 Vila Rodrigues, Passo Fundo, RS, 99070-220, Brazil.
| | - Cleiton Korcelski
- Faculdade Meridional - IMED, Rua General Prestes Guimarães, 304 Vila Rodrigues, Passo Fundo, RS, 99070-220, Brazil
| | - Henrique Aniceto Kujawa
- Faculdade Meridional - IMED, Rua General Prestes Guimarães, 304 Vila Rodrigues, Passo Fundo, RS, 99070-220, Brazil
| | - Izabella Schaefer da Silva
- Departent of Biological Sciences, Federal University of Juiz de Fora, Rua José Lourenço Kelmer, São Pedro, Juiz de Fora, MG, 36036-900, Brazil
| | - Fábio Prezoto
- Departent of Biological Sciences, Federal University of Juiz de Fora, Rua José Lourenço Kelmer, São Pedro, Juiz de Fora, MG, 36036-900, Brazil
| | - Anderson Luis Walker Amorin
- Faculdade Meridional - IMED, Rua General Prestes Guimarães, 304 Vila Rodrigues, Passo Fundo, RS, 99070-220, Brazil
| | - Laércio Stolfo Maculan
- Faculdade Meridional - IMED, Rua General Prestes Guimarães, 304 Vila Rodrigues, Passo Fundo, RS, 99070-220, Brazil
| | - Affonso Celso Gonçalves
- State University of Western Paraná - UNIOESTE, Center of Agrarian Sciences, Rua Pernambuco 1777 Centro, Marechal Cândido Rondon, PR, 85960-000, Brazil
| | - Eliane Thaines Bodah
- State University of New York, Onondaga Community College, 4585 West Seneca Turnpike, Syracuse, NY, 13215, USA; Thaines and Bodah Center for Education and Development, 840 South Meadowlark Lane, Othello, WA, 99344, USA.
| | - Brian William Bodah
- Thaines and Bodah Center for Education and Development, 840 South Meadowlark Lane, Othello, WA, 99344, USA
| | - Guilherme L Dotto
- Chemical Engineering Department, Federal University of Santa Maria e UFSM, 1000 Roraima Avenue 97105e900, Santa Maria, RS, Brazil
| | - Luis F O Silva
- Department of Civil and Environmental, Universidad de La Costa, CUC, Calle 58 # 55e66, Barranquilla, Atlantico, Colombia.
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12
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Lei P, Ayton S, Bush AI. The essential elements of Alzheimer's disease. J Biol Chem 2020; 296:100105. [PMID: 33219130 PMCID: PMC7948403 DOI: 10.1074/jbc.rev120.008207] [Citation(s) in RCA: 122] [Impact Index Per Article: 30.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2020] [Revised: 11/19/2020] [Accepted: 11/20/2020] [Indexed: 02/05/2023] Open
Abstract
Treatments for Alzheimer’s disease (AD) directed against the prominent amyloid plaque neuropathology are yet to be proved effective despite many phase 3 clinical trials. There are several other neurochemical abnormalities that occur in the AD brain that warrant renewed emphasis as potential therapeutic targets for this disease. Among those are the elementomic signatures of iron, copper, zinc, and selenium. Here, we review these essential elements of AD for their broad potential to contribute to Alzheimer’s pathophysiology, and we also highlight more recent attempts to translate these findings into therapeutics. A reinspection of large bodies of discovery in the AD field, such as this, may inspire new thinking about pathogenesis and therapeutic targets.
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Affiliation(s)
- Peng Lei
- Department of Neurology and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, and Collaborative Innovation Center for Biotherapy, Chengdu, P.R. China; Melbourne Dementia Research Centre, Florey Institute of Neuroscience and Mental Health, The University of Melbourne, Victoria, Australia.
| | - Scott Ayton
- Melbourne Dementia Research Centre, Florey Institute of Neuroscience and Mental Health, The University of Melbourne, Victoria, Australia
| | - Ashley I Bush
- Melbourne Dementia Research Centre, Florey Institute of Neuroscience and Mental Health, The University of Melbourne, Victoria, Australia.
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13
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Ciarrocchi C, Tumino A, Sacchi D, Orbelli Biroli A, Licchelli M. Detection of Copper(II) in Water by Methylene Blue Derivatives. Chemphyschem 2020; 21:2432-2440. [DOI: 10.1002/cphc.202000676] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Revised: 09/03/2020] [Indexed: 11/09/2022]
Affiliation(s)
- Carlo Ciarrocchi
- Department of Chemistry University of Pavia V. Taramelli 12 27100 Pavia Italy
| | - Adriana Tumino
- Department of Chemistry University of Pavia V. Taramelli 12 27100 Pavia Italy
| | - Donatella Sacchi
- Department of Chemistry University of Pavia V. Taramelli 12 27100 Pavia Italy
| | | | - Maurizio Licchelli
- Department of Chemistry University of Pavia V. Taramelli 12 27100 Pavia Italy
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14
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Müller LK, Duznovic I, Tietze D, Weber W, Ali M, Stein V, Ensinger W, Tietze AA. Ultrasensitive and Selective Copper(II) Detection: Introducing a Bioinspired and Robust Sensor. Chemistry 2020; 26:8511-8517. [PMID: 32196774 PMCID: PMC7383567 DOI: 10.1002/chem.202001160] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2020] [Indexed: 12/31/2022]
Abstract
A nanopore-based CuII -sensing system is reported that allows for an ultrasensitive and selective detection of CuII with the possibility for a broad range of applications, for example in medical diagnostics. A fluorescent ATCUN-like peptide 5/6-FAM-Dap-β-Ala-His is employed to selectively bind CuII ions in the presence of NiII and ZnII and was crafted into ion track-etched nanopores. Upon CuII binding the fluorescence of the peptide sensor is quenched, permitting the detection of CuII in solution. The ion transport characteristics of peptide-modified nanopore are shown to be extremely sensitive and selective towards CuII allowing to sense femtomolar CuII concentrations in human urine mimics. Washing with EDTA fully restores the CuII -binding properties of the sensor, enabling multiple repetitive measurements. The robustness of the system clearly has the potential to be further developed into an easy-to-use, lab-on-chip CuII -sensing device, which will be of great importance for bedside diagnosis and monitor of CuII levels in patients with copper-dysfunctional homeostasis.
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Affiliation(s)
- Lena K. Müller
- Technische Universität DarmstadtClemens-Schöpf Institute of Organic Chemistry and BiochemistryAlarich-Weiss Str. 464287DarmstadtGermany
| | - Ivana Duznovic
- Technische Universität DarmstadtFachbereich Material- und GeowissenschaftenFachgebiet MaterialanalytikAlarich-Weiss-Str. 264287DarmstadtGermany
| | - Daniel Tietze
- University of GothenburgDepartment of Chemistry and Molecular BiologyWallenberg Centre for Molecular and Translational MedicineKemigården 4412 96GöteborgSweden
| | - Wadim Weber
- Technische Universität DarmstadtDepartment of BiologySchnittsphanstrasse 1264287DarmstadtGermany
| | - Mubarak Ali
- GSI Helmholtzzentrum für SchwerionenforschungMaterialforschungPlanckstraße 164291DarmstadtGermany
| | - Viktor Stein
- Technische Universität DarmstadtDepartment of BiologySchnittsphanstrasse 1264287DarmstadtGermany
| | - Wolfgang Ensinger
- Technische Universität DarmstadtFachbereich Material- und GeowissenschaftenFachgebiet MaterialanalytikAlarich-Weiss-Str. 264287DarmstadtGermany
| | - Alesia A. Tietze
- University of GothenburgDepartment of Chemistry and Molecular BiologyWallenberg Centre for Molecular and Translational MedicineKemigården 4412 96GöteborgSweden
- Technische Universität DarmstadtClemens-Schöpf Institute of Organic Chemistry and BiochemistryAlarich-Weiss Str. 464287DarmstadtGermany
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15
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Martínez-Tomé M, Murcia MA, Rosario C, Mariscal-Arcas M, Jiménez-Monreal AM. Different Methods to Assess the Nutritional Status of Alzheimer Patients. J Am Coll Nutr 2020; 40:86-93. [PMID: 32213008 DOI: 10.1080/07315724.2020.1737594] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
OBJECTIVE To assess the body composition and nutritional state of patients with Alzheimer's (Global Deterioration Scale GDS-4) using different methods and to investigate the correlation among methods. METHODS A total of 25 Alzheimer GDS-4 patients participated in this transversal descriptive observational study, which used anthropometry, Mini Nutritional Assessment (MNA), the Nutrition Screening Initiative Check List (NSI) and a 24-hour recall questionnaire (R24h). RESULTS Anthropometric observations pointed to obesity in patients of both sexes. The MNA showed that 76% of the population was "at risk of malnutrition", and the NSI suggested that 32% had a high nutritional risk, 48% had an "average" nutritional risk, and the remaining 20% a low nutritional risk. The Bland-Alman concordance plot between the NSI and MNA tests pointed to a high degree of agreement, meaning that both tests provided similar results for the group of studied subjects. The nutritional analysis, based on the Kruskal-Wallis test, showed there were significant differences between R24h and MNA in the case of ascorbic acid, iron, zinc and potassium (p < 0.05), and between R24h and NSI in the case of the double unsaturation index and vitamin D3 (p < 0.05). These results suggest that both questionnaires are equally valid for evaluating the nutritional status of Alzheimer patients. CONCLUSION Although the NSI and MNA tests provide similar results, we recommend an initial nutritional assessment using the NSI since it is short but provides information on any alteration in food intake as a result of restrictions and/or metabolic alterations.
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Affiliation(s)
- Magdalena Martínez-Tomé
- Faculty Medicine, Area of Nutrition, Regional Campus of International Excellence "Campus Mare Nostrum", Murcia University, Murcia, Spain.,CIBER CB12/03/30038 Fisiopatología de la Obesidad y la Nutrición, CIBERobn, Instituto de Salud Carlos III (ISCIII), Madrid, Spain
| | - M Antonia Murcia
- Faculty Medicine, Area of Nutrition, Regional Campus of International Excellence "Campus Mare Nostrum", Murcia University, Murcia, Spain.,CIBER CB12/03/30038 Fisiopatología de la Obesidad y la Nutrición, CIBERobn, Instituto de Salud Carlos III (ISCIII), Madrid, Spain
| | - Claudia Rosario
- Hospital General Montemorelos. Universidad de Montemorelos, Nuevo León, México
| | | | - Antonia M Jiménez-Monreal
- Faculty Medicine, Area of Nutrition, Regional Campus of International Excellence "Campus Mare Nostrum", Murcia University, Murcia, Spain.,CIBER CB12/03/30038 Fisiopatología de la Obesidad y la Nutrición, CIBERobn, Instituto de Salud Carlos III (ISCIII), Madrid, Spain
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16
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Li S, Sun W, Zhang D. Association of Zinc, Iron, Copper, and Selenium Intakes with Low Cognitive Performance in Older Adults: A Cross-Sectional Study from National Health and Nutrition Examination Survey (NHANES). J Alzheimers Dis 2019; 72:1145-1157. [DOI: 10.3233/jad-190263] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Suyun Li
- Department of Epidemiology and Health Statistics, School of Public Health, Qingdao University, Qingdao, Shandong Province, China
| | - Wenjun Sun
- Department of Epidemiology and Health Statistics, School of Public Health, Qingdao University, Qingdao, Shandong Province, China
| | - Dongfeng Zhang
- Department of Epidemiology and Health Statistics, School of Public Health, Qingdao University, Qingdao, Shandong Province, China
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17
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Determination of Zn, Cu and Fe in human patients' serum using micro-sampling ICP-MS and sample dilution. Talanta 2019; 204:663-669. [PMID: 31357350 DOI: 10.1016/j.talanta.2019.05.098] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2019] [Revised: 05/19/2019] [Accepted: 05/22/2019] [Indexed: 12/27/2022]
Abstract
A high-throughput, sensitive and rapid method was developed for the determination of Zn, Cu and Fe in small volumes (30 μL) of human serum using inductively coupled plasma mass spectrometry (ICP-MS). The sample preparation procedure employed simple 100-fold dilution of the serum samples with 1.0% butanol, 0.5% v/v ammonia, 0.02% v/v Triton X-100 and 0.01% v/v HNO3. The reliability of the method was evaluated using serum UTAK certified reference material, and the results matched well with the certified values. The method was applied to determine Zn, Cu and Fe in 81 human serum samples from participants in Alzheimer disease (AD) and age-related macular degeneration (AMD) studies. No significant differences were found in Zn and Cu levels between age matched controls, AD and AMD patients. Whilst iron levels appeared marginally higher in the AMD group, compared with the AD group, iron showed larger overall variability than the other two elements.
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18
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Messerli MA, Sarkar A. Advances in Electrochemistry for Monitoring Cellular Chemical Flux. Curr Med Chem 2019; 26:4984-5002. [PMID: 31057100 DOI: 10.2174/0929867326666190506111629] [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] [Received: 09/28/2018] [Revised: 03/06/2019] [Accepted: 03/12/2019] [Indexed: 11/22/2022]
Abstract
The transport of organic and inorganic molecules, along with inorganic ions across the plasma membrane results in chemical fluxes that reflect the cellular function in healthy and diseased states. Measurement of these chemical fluxes enables the characterization of protein function and transporter stoichiometry, characterization of a single cell and embryo viability prior to implantation, and screening of pharmaceutical agents. Electrochemical sensors emerge as sensitive and non-invasive tools for measuring chemical fluxes immediately outside the cells in the boundary layer, that are capable of monitoring a diverse range of transported analytes including inorganic ions, gases, neurotransmitters, hormones, and pharmaceutical agents. Used on their own or in combination with other methods, these sensors continue to expand our understanding of the function of rare cells and small tissues. Advances in sensor construction and detection strategies continue to improve sensitivity under physiological conditions, diversify analyte detection, and increase throughput. These advances will be discussed in the context of addressing technical challenges to measuring chemical flux in the boundary layer of cells and measuring the resultant changes to the chemical concentration in the bulk media.
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Affiliation(s)
- Mark A Messerli
- Department of Biology and Microbiology, South Dakota State University, Brookings, SD. United States
| | - Anyesha Sarkar
- Department of Biology and Microbiology, South Dakota State University, Brookings, SD. United States
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19
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Chuang SY, Lo YL, Wu SY, Wang PN, Pan WH. Dietary Patterns and Foods Associated With Cognitive Function in Taiwanese Older Adults: The Cross-sectional and Longitudinal Studies. J Am Med Dir Assoc 2019; 20:544-550.e4. [DOI: 10.1016/j.jamda.2018.10.017] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2018] [Revised: 10/11/2018] [Accepted: 10/12/2018] [Indexed: 12/31/2022]
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20
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Association of copper levels in the hair with gray matter volume, mean diffusivity, and cognitive functions. Brain Struct Funct 2019; 224:1203-1217. [PMID: 30656448 DOI: 10.1007/s00429-019-01830-y] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2017] [Accepted: 01/08/2019] [Indexed: 12/11/2022]
Abstract
Although copper plays a critical role in normal brain functions and development, it is known that excess copper causes toxicity. Here we investigated the associations of copper levels in the hair with regional gray matter volume (rGMV), mean diffusivity (MD), and cognitive differences in a study cohort of 924 healthy young adults. Our findings showed that high copper levels were associated mostly with low cognitive abilities (low scores on the intelligence test consisting of complex speed tasks, involving reasoning task, a complex arithmetic task, and a reading comprehension task) as well as lower reverse Stroop interference, high rGMV over widespread areas of the brain [mainly including the bilateral lateral and medial parietal cortices, medial temporal structures (amygdala, hippocampus, and parahippocampal gyrus), middle cingulate cortex, orbitofrontal cortex, insula, perisylvian areas, inferior temporal lobe, temporal pole, occipital lobes, and supplementary motor area], as well as high MD of the right substantia nigra and bilateral hippocampus, which are indicative of low density in brain tissues. These results suggest that copper levels are associated with mostly aberrant cognitive functions, greater rGMV in extensive areas, greater MD (which are indicative of low density in brain tissues) in subcortical structures in the healthy young adults, possibly reflecting copper's complex roles in neural mechanisms.
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21
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Sharma A, Pachauri V, Flora SJS. Advances in Multi-Functional Ligands and the Need for Metal-Related Pharmacology for the Management of Alzheimer Disease. Front Pharmacol 2018; 9:1247. [PMID: 30498443 PMCID: PMC6249274 DOI: 10.3389/fphar.2018.01247] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2018] [Accepted: 10/12/2018] [Indexed: 01/07/2023] Open
Abstract
Alzheimer’s disease (AD) is the age linked neurodegenerative disorder with no disease modifying therapy currently available. The available therapy only offers short term symptomatic relief. Several hypotheses have been suggested for the pathogenesis of the disease while the molecules developed as possible therapeutic agent in the last decade, largely failed in the clinical trials. Several factors like tau protein hyperphosphorylation, amyloid-β (Aβ) peptide aggregation, decline in acetyl cholinesterase and oxidative stress might be contributing toward the pathogenesis of AD. Additionally, biometals dyshomeostasis (Iron, Copper, and Zinc) in the brain are also reported to be involved in the pathogenesis of AD. Thus, targeting these metal ions may be an effective strategy for the development of a drug to treat AD. Chelation therapy is currently employed for the metal intoxication but we lack a safe and effective chelating agents with additional biological properties for their possible use as multi target directed ligands for a complex disease like AD. Chelating agents possess the ability to disaggregate Aβ aggregation, dissolve amyloid plaques, and delay the cognitive impairment. Thus there is an urgent need to develop disease modifying therapeutic molecules with multiple beneficial features like targeting more than one factor responsible of the disease. These molecules, as disease modifying therapeutic agents for AD, should possess the potential to inhibit Aβ-metal interactions, the formation of toxic Aβ aggregates; and the capacity to reinstate metal homeostasis.
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Affiliation(s)
- Abha Sharma
- Department of Pharmacology and Toxicology and Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research, Raebareli, India
| | - Vidhu Pachauri
- Department of Pharmacology and Toxicology and Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research, Raebareli, India
| | - S J S Flora
- Department of Pharmacology and Toxicology and Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research, Raebareli, India
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Dominguez LJ, Barbagallo M. Nutritional prevention of cognitive decline and dementia. ACTA BIO-MEDICA : ATENEI PARMENSIS 2018; 89:276-290. [PMID: 29957766 PMCID: PMC6179018 DOI: 10.23750/abm.v89i2.7401] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/07/2018] [Indexed: 12/28/2022]
Abstract
Cognitive impairment results from a complex interplay of many factors. The most important independent predictor of cognitive decline is age but other contributing factors include demographic, genetic, socio-economic, and environmental parameters, including nutrition. The number of persons with cognitive decline and dementia will increase in the next decades in parallel with aging of the world population. Effective pharmaceutical treatments for age-related cognitive decline are lacking, emphasizing the importance of prevention strategies. There is extensive evidence supporting a relationship between diet and cognitive functions. Thus, nutritional approaches to prevent or slow cognitive decline could have a remarkable public health impact. Several dietary components and supplements have been examined in relation to their association with the development of cognitive decline. A number of studies have examined the role of dietary patterns on late-life cognition, with accumulating evidence that combinations of foods and nutrients may act synergistically to provide stronger benefit than those conferred by individual dietary components. Higher adherence to the Mediterranean dietary pattern has been associated with decreased cognitive decline and incident AD. Another dietary pattern with neuroprotective actions is the Dietary Approach to Stop Hypertension (DASH). The combination of these two dietary patterns has been associated with slower rates of cognitive decline and significant reduction in incident AD. This review evaluates the evidence for the effects of some dietary components, supplements, and dietary patterns as neuroprotective, with potential to delay cognitive decline and the onset of dementia. (www.actabiomedica.it)
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Affiliation(s)
- Ligia J Dominguez
- Geriatric Unit, Dept. of Internal Medicine and Geriatrics, University of Palermo, Palermo, Italy.
| | - Mario Barbagallo
- Geriatric Unit, Dept. of Internal Medicine and Geriatrics, University of Palermo, Palermo, Italy.
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Tonelli M, Wiebe N, Bello A, Field CJ, Gill JS, Hemmelgarn BR, Holmes DT, Jindal K, Klarenbach SW, Manns BJ, Thadhani R, Kinniburgh D. Concentrations of Trace Elements and Clinical Outcomes in Hemodialysis Patients: A Prospective Cohort Study. Clin J Am Soc Nephrol 2018; 13:907-915. [PMID: 29599300 PMCID: PMC5989679 DOI: 10.2215/cjn.11451017] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2017] [Accepted: 03/05/2018] [Indexed: 11/23/2022]
Abstract
BACKGROUND AND OBJECTIVES Deficiency of essential trace elements and excess of potentially toxic trace elements are common in patients on hemodialysis. Whether these abnormalities are associated with poor outcomes is unknown but worth investigating, because they are potentially treatable. DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS We did a prospective longitudinal study of 1278 patients on incident hemodialysis, assessing blood concentrations of 25 trace elements at baseline. We used adjusted logistic regression to evaluate the association between trace element status and four outcomes (death, cardiovascular events, systemic infection, and hospitalization). A priori hypotheses concerned (1) deficiency of zinc, selenium, and manganese and (2) excess of lead, arsenic, and mercury. Concentrations of the other 19 elements were tested in hypothesis-generating analyses. RESULTS Over 2 years of follow-up, 260 (20%) patients died, 285 (24%) experienced a cardiovascular event, 117 (10%) were hospitalized for systemic infection, and 928 (77%) were hospitalized for any cause. Lower concentrations of zinc or manganese and higher concentrations of lead, arsenic, or mercury were not independently associated with higher risk of clinical outcomes. Lower concentrations of selenium were strongly and independently associated with death (odds ratio, 0.86 per decile; 99.2% confidence interval, 0.80 to 0.93) and all-cause hospitalization (odds ratio, 0.92 per decile; 99.2% confidence interval, 0.86 to 0.98). In exploratory analyses, higher copper concentrations were significantly associated with higher risk of death (odds ratio, 1.07 per decile; 99.2% confidence interval, 1.00 to 1.15), and cadmium levels in the highest decile were associated with higher risk of death (odds ratio, 1.89; 99.2% confidence interval, 1.06 to 3.38). CONCLUSIONS Lower levels of zinc or manganese and higher concentrations of lead, arsenic, or mercury were not associated with higher risk of clinical outcomes, but lower concentrations of selenium were strongly and independently associated with the risks of death and hospitalization.
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Affiliation(s)
| | | | | | - Catherine J. Field
- Agricultural, Food & Nutritional Science, University of Alberta, Edmonton, Canada
| | | | | | - Daniel T. Holmes
- Pathology and Laboratory Medicine, University of British Columbia, Vancouver, Canada; and
| | | | | | | | - Ravi Thadhani
- Division of Nephrology, Massachusetts General Hospital, Boston, Massachusetts
| | - David Kinniburgh
- Physiology and Pharmacology, University of Calgary, Calgary, Canada
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24
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Lupton MK, Benyamin B, Proitsi P, Nyholt DR, Ferreira MA, Montgomery GW, Heath AC, Madden PA, Medland SE, Gordon SD, Lovestone S, Tsolaki M, Kloszewska I, Soininen H, Mecocci P, Vellas B, Powell JF, Bush AI, Wright MJ, Martin NG, Whitfield JB. No Genetic Overlap Between Circulating Iron Levels and Alzheimer's Disease. J Alzheimers Dis 2018; 59:85-99. [PMID: 28582860 DOI: 10.3233/jad-170027] [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] [Indexed: 12/22/2022]
Abstract
Iron deposition in the brain is a prominent feature of Alzheimer's disease (AD). Recently, peripheral iron measures have also been shown to be associated with AD status. However, it is not known whether these associations are causal: do elevated or depleted iron levels throughout life have an effect on AD risk? We evaluate the effects of peripheral iron on AD risk using a genetic profile score approach by testing whether variants affecting iron, transferrin, or ferritin levels selected from GWAS meta-analysis of approximately 24,000 individuals are also associated with AD risk in an independent case-control cohort (n∼10,000). Conversely, we test whether AD risk variants from a GWAS meta-analysis of approximately 54,000 account for any variance in iron measures (n∼9,000). We do not identify a genetic relationship, suggesting that peripheral iron is not causal in the initiation of AD pathology.
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Affiliation(s)
| | - Beben Benyamin
- Queensland Brain Institute, University of Queensland, Brisbane, Australia
| | - Petroula Proitsi
- Institute of Psychiatry Psychology and Neuroscience, Kings College London, UK
| | - Dale R Nyholt
- QIMR Berghofer Medical Research Institute, Brisbane, Australia.,Institute of Health and Biomedical Innovation, Queensland University of Technology, Brisbane, Australia
| | | | - Grant W Montgomery
- QIMR Berghofer Medical Research Institute, Brisbane, Australia.,Institute for Molecular Bioscience, The University of Queensland, Brisbane, QLD, Australia
| | - Andrew C Heath
- Washington University School of Medicine, StLouis, MO, USA
| | | | - Sarah E Medland
- QIMR Berghofer Medical Research Institute, Brisbane, Australia
| | - Scott D Gordon
- QIMR Berghofer Medical Research Institute, Brisbane, Australia
| | | | | | - Simon Lovestone
- Department of Psychiatry, University of Oxford, Warneford Hospital, Oxford, UK
| | - Magda Tsolaki
- Memory and Dementia Centre, 3rd Department of Neurology, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Iwona Kloszewska
- Department of Old Age Psychiatry and Psychotic Disorders, Medical University of Lodz, Lodz, Poland
| | - Hilkka Soininen
- Department of Neurology, University of EasternFinland and Kuopio University Hospital, Kuopio, Finland
| | - Patrizia Mecocci
- Section of Gerontology and Geriatrics, Department of Medicine, University of Perugia, Perugia, Italy
| | - Bruno Vellas
- Gerontopole, CHU, UMR INSERM 1027, University ofToulouse, France
| | - John F Powell
- Institute of Psychiatry Psychology and Neuroscience, Kings College London, UK
| | - Ashley I Bush
- Florey Institute of Neuroscience and Mental Health, University of Melbourne, Parkville, Australia
| | - Margaret J Wright
- QIMR Berghofer Medical Research Institute, Brisbane, Australia.,Queensland Brain Institute, University of Queensland, Brisbane, Australia.,Centre for Advanced Imaging, University of Queensland, Brisbane, Australia
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26
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Carter CJ. Genetic, Transcriptome, Proteomic, and Epidemiological Evidence for Blood-Brain Barrier Disruption and Polymicrobial Brain Invasion as Determinant Factors in Alzheimer's Disease. J Alzheimers Dis Rep 2017; 1:125-157. [PMID: 30480234 PMCID: PMC6159731 DOI: 10.3233/adr-170017] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Diverse pathogens are detected in Alzheimer's disease (AD) brains. A bioinformatics survey showed that AD genome-wide association study (GWAS) genes (localized in bone marrow, immune locations and microglia) relate to multiple host/pathogen interactomes (Candida albicans, Cryptococcus neoformans, Bornavirus, Borrelia burgdorferri, cytomegalovirus, Ebola virus, HSV-1, HERV-W, HIV-1, Epstein-Barr, hepatitis C, influenza, Chlamydia pneumoniae, Porphyrymonas gingivalis, Helicobacter pylori, Toxoplasma gondii, Trypanosoma cruzi). These interactomes also relate to the AD hippocampal transcriptome and to plaque or tangle proteins. Upregulated AD hippocampal genes match those upregulated by multiple bacteria, viruses, fungi, or protozoa in immunocompetent cells. AD genes are enriched in GWAS datasets reflecting pathogen diversity, suggesting selection for pathogen resistance, as supported by the old age of AD patients, implying resistance to earlier infections. APOE4 is concentrated in regions of high parasitic burden and protects against childhood tropical infections and hepatitis C. Immune/inflammatory gain of function applies to APOE4, CR1, and TREM2 variants. AD genes are also expressed in the blood-brain barrier (BBB), which is disrupted by AD risk factors (age, alcohol, aluminum, concussion, cerebral hypoperfusion, diabetes, homocysteine, hypercholesterolemia, hypertension, obesity, pesticides, pollution, physical inactivity, sleep disruption, smoking) and by pathogens, directly or via olfactory routes to basal-forebrain BBB control centers. The BBB benefits from statins, NSAIDs, estrogen, melatonin, memantine, and the Mediterranean diet. Polymicrobial involvement is supported by upregulation of bacterial, viral, and fungal sensors/defenders in the AD brain, blood, or cerebrospinal fluid. AD serum amyloid-β autoantibodies may attenuate its antimicrobial effects favoring microbial survival and cerebral invasion leading to activation of neurodestructive immune/inflammatory processes, which may also be augmented by age-related immunosenescence. AD may thus respond to antibiotic, antifungal, or antiviral therapy.
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Solfrizzi V, Custodero C, Lozupone M, Imbimbo BP, Valiani V, Agosti P, Schilardi A, D’Introno A, La Montagna M, Calvani M, Guerra V, Sardone R, Abbrescia DI, Bellomo A, Greco A, Daniele A, Seripa D, Logroscino G, Sabbá C, Panza F. Relationships of Dietary Patterns, Foods, and Micro- and Macronutrients with Alzheimer’s Disease and Late-Life Cognitive Disorders: A Systematic Review. J Alzheimers Dis 2017; 59:815-849. [DOI: 10.3233/jad-170248] [Citation(s) in RCA: 179] [Impact Index Per Article: 25.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Vincenzo Solfrizzi
- Geriatric Medicine-Memory Unit and Rare Disease Centre, University of Bari Aldo Moro, Bari, Italy
| | - Carlo Custodero
- Geriatric Medicine-Memory Unit and Rare Disease Centre, University of Bari Aldo Moro, Bari, Italy
| | - Madia Lozupone
- Neurodegenerative Disease Unit, Department of Basic Medicine, Neuroscience, and Sense Organs, University of Bari Aldo Moro, Bari, Italy
| | - Bruno P. Imbimbo
- Department of Research and Development, Chiesi Farmaceutici, Parma, Italy
| | - Vincenzo Valiani
- Geriatric Medicine-Memory Unit and Rare Disease Centre, University of Bari Aldo Moro, Bari, Italy
| | - Pasquale Agosti
- Geriatric Medicine-Memory Unit and Rare Disease Centre, University of Bari Aldo Moro, Bari, Italy
| | - Andrea Schilardi
- Geriatric Medicine-Memory Unit and Rare Disease Centre, University of Bari Aldo Moro, Bari, Italy
| | - Alessia D’Introno
- Geriatric Medicine-Memory Unit and Rare Disease Centre, University of Bari Aldo Moro, Bari, Italy
| | - Maddalena La Montagna
- Department of Clinical and Experimental Medicine, Psychiatric Unit, University of Foggia, Foggia, Italy
| | - Mariapaola Calvani
- Neurodegenerative Disease Unit, Department of Basic Medicine, Neuroscience, and Sense Organs, University of Bari Aldo Moro, Bari, Italy
| | - Vito Guerra
- National Institute for Digestive Diseases, IRCCS “Saverio de Bellis”, Castellana, Bari, Italy
| | - Rodolfo Sardone
- National Institute for Digestive Diseases, IRCCS “Saverio de Bellis”, Castellana, Bari, Italy
| | - Daniela I. Abbrescia
- National Institute for Digestive Diseases, IRCCS “Saverio de Bellis”, Castellana, Bari, Italy
| | - Antonello Bellomo
- Department of Clinical and Experimental Medicine, Psychiatric Unit, University of Foggia, Foggia, Italy
| | - Antonio Greco
- Geriatric Unit and Laboratory of Gerontology and Geriatrics, Department of Medical Sciences, IRCCS “Casa Sollievo della Sofferenza”, San Giovanni Rotondo, Foggia, Italy
| | - Antonio Daniele
- Institute of Neurology, Catholic University of Sacred Heart, Rome, Italy
| | - Davide Seripa
- Geriatric Unit and Laboratory of Gerontology and Geriatrics, Department of Medical Sciences, IRCCS “Casa Sollievo della Sofferenza”, San Giovanni Rotondo, Foggia, Italy
| | - Giancarlo Logroscino
- Neurodegenerative Disease Unit, Department of Basic Medicine, Neuroscience, and Sense Organs, University of Bari Aldo Moro, Bari, Italy
- Department of Clinical Research in Neurology, University of Bari Aldo Moro, “Pia Fondazione Cardinale G. Panico”, Tricase, Lecce, Italy
| | - Carlo Sabbá
- Geriatric Medicine-Memory Unit and Rare Disease Centre, University of Bari Aldo Moro, Bari, Italy
| | - Francesco Panza
- Neurodegenerative Disease Unit, Department of Basic Medicine, Neuroscience, and Sense Organs, University of Bari Aldo Moro, Bari, Italy
- Geriatric Unit and Laboratory of Gerontology and Geriatrics, Department of Medical Sciences, IRCCS “Casa Sollievo della Sofferenza”, San Giovanni Rotondo, Foggia, Italy
- Department of Clinical Research in Neurology, University of Bari Aldo Moro, “Pia Fondazione Cardinale G. Panico”, Tricase, Lecce, Italy
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28
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Risk factors associated with the onset and progression of Alzheimer’s disease: A systematic review of the evidence. Neurotoxicology 2017; 61:143-187. [DOI: 10.1016/j.neuro.2017.03.006] [Citation(s) in RCA: 162] [Impact Index Per Article: 23.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2017] [Accepted: 03/22/2017] [Indexed: 12/25/2022]
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Abstract
Aggregation of the amyloid-β (Aβ) peptide is strongly correlated with Alzheimer's disease (AD). Recent research has improved our understanding of the kinetics of amyloid fibril assembly and revealed new details regarding different stages in plaque formation. Presently, interest is turning toward studying this process in a holistic context, focusing on cellular components which interact with the Aβ peptide at various junctures during aggregation, from monomer to cross-β amyloid fibrils. However, even in isolation, a multitude of factors including protein purity, pH, salt content, and agitation affect Aβ fibril formation and deposition, often producing complicated and conflicting results. The failure of numerous inhibitors in clinical trials for AD suggests that a detailed examination of the complex interactions that occur during plaque formation, including binding of carbohydrates, lipids, nucleic acids, and metal ions, is important for understanding the diversity of manifestations of the disease. Unraveling how a variety of key macromolecular modulators interact with the Aβ peptide and change its aggregation properties may provide opportunities for developing therapies. Since no protein acts in isolation, the interplay of these diverse molecules may differentiate disease onset, progression, and severity, and thus are worth careful consideration.
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Affiliation(s)
- Katie L Stewart
- Astbury Centre for Structural Molecular Biology, School of Molecular and Cellular Biology, University of Leeds, Leeds, LS2 9JT, UK.
| | - Sheena E Radford
- Astbury Centre for Structural Molecular Biology, School of Molecular and Cellular Biology, University of Leeds, Leeds, LS2 9JT, UK.
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30
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Barrella MV, Heringer OA, Cardoso PMM, Pimentel EF, Scherer R, Lenz D, Endringer DC. Metals Content in Herbal Supplements. Biol Trace Elem Res 2017; 175:488-494. [PMID: 27344673 DOI: 10.1007/s12011-016-0776-2] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/25/2016] [Accepted: 06/07/2016] [Indexed: 12/15/2022]
Abstract
Obesity has become an international epidemic. To evaluate the level of metals in extracts of plants prescribed as weight loss supplements, different brands containing Camellia sinensis (L.) Kuntze, Citrus aurantium L., Cordia ecalyculata Vell, Ilex paraguariensis A. St.-Hil, Cissus quadrangularis L., Senna alexandrina Mill were purchased in local market, hot acid digested, and analyzed while metal content by inductively coupled plasma optical emission spectrometry, ICP-OES. Quality assurance and quality control tests were carried out in order to monitor and control the reliability of the analytical method. For each metal evaluated, a calibration curve was prepared with certified reference material. The recovery test was performed for each batch of samples. Analyses were performed in triplicate. Quantification of aluminum, barium, cadmium, cobalt, chromium, copper, iron, lithium, manganese, molybdenum, nickel, lead, vanadium, and zinc were determined. The metals most frequently detected were manganese (15.3-329,60 mg kg-1) aluminum (11.76-342.4 mg kg-1), and iron (11.14-73.01 mg kg-1) with higher levels in products containing C. sinensis China origin, I. paraguariensis Brazilian origin, C. quadrangularis, and C. aurantium China origin, respectively. To ensure safety consumption, an adequacy of the certification of Brazilian suppliers for herbal weight loss products is indispensable.
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Affiliation(s)
- Michelle Vieira Barrella
- Pharmacy Postgraduate Program, Vila Velha Universitys, Av. Comissário José Dantas de Melo, n°21, 29102-920 - Boa Vista, Vila Velha, ES, Brazil
| | - Otavio Arruda Heringer
- Tommasi Analítica, Av. Luciano das Neves, 2016, Divino Espirito Santo, Vila Velha, ES, Brazil
| | - Priscylla Maria Martins Cardoso
- Pharmacy Postgraduate Program, Vila Velha Universitys, Av. Comissário José Dantas de Melo, n°21, 29102-920 - Boa Vista, Vila Velha, ES, Brazil
| | - Elisangela Flavia Pimentel
- Pharmacy Postgraduate Program, Vila Velha Universitys, Av. Comissário José Dantas de Melo, n°21, 29102-920 - Boa Vista, Vila Velha, ES, Brazil
| | - Rodrigo Scherer
- Pharmacy Postgraduate Program, Vila Velha Universitys, Av. Comissário José Dantas de Melo, n°21, 29102-920 - Boa Vista, Vila Velha, ES, Brazil
| | - Dominik Lenz
- Pharmacy Postgraduate Program, Vila Velha Universitys, Av. Comissário José Dantas de Melo, n°21, 29102-920 - Boa Vista, Vila Velha, ES, Brazil
| | - Denise C Endringer
- Pharmacy Postgraduate Program, Vila Velha Universitys, Av. Comissário José Dantas de Melo, n°21, 29102-920 - Boa Vista, Vila Velha, ES, Brazil.
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Prentice AM, Mendoza YA, Pereira D, Cerami C, Wegmuller R, Constable A, Spieldenner J. Dietary strategies for improving iron status: balancing safety and efficacy. Nutr Rev 2017; 75:49-60. [PMID: 27974599 PMCID: PMC5155616 DOI: 10.1093/nutrit/nuw055] [Citation(s) in RCA: 82] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
In light of evidence that high-dose iron supplements lead to a range of adverse events in low-income settings, the safety and efficacy of lower doses of iron provided through biological or industrial fortification of foodstuffs is reviewed. First, strategies for point-of-manufacture chemical fortification are compared with biofortification achieved through plant breeding. Recent insights into the mechanisms of human iron absorption and regulation, the mechanisms by which iron can promote malaria and bacterial infections, and the role of iron in modifying the gut microbiota are summarized. There is strong evidence that supplemental iron given in nonphysiological amounts can increase the risk of bacterial and protozoal infections (especially malaria), but the use of lower quantities of iron provided within a food matrix, ie, fortified food, should be safer in most cases and represents a more logical strategy for a sustained reduction of the risk of deficiency by providing the best balance of risk and benefits. Further research into iron compounds that would minimize the availability of unabsorbed iron to the gut microbiota is warranted.
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Affiliation(s)
- Andrew M Prentice
- A.M. Prentice, D. Pereira, C. Cerami, and R. Wegmuller are with the Medical Research Council (MRC) Unit The Gambia, Fajara, Banjul, The Gambia. A.M. Prentice and R. Wegmuller are with the MRC International Nutrition Group, London School of Hygiene & Tropical Medicine, London, United Kingdom. Y.A. Mendoza, A. Constable, and J. Spieldenner are with the Nestlé Research Centre, Lausanne, Switzerland. D. Pereira is with the Department of Pathology, University of Cambridge, Cambridge, United Kingdom. C. Cerami is with the Division of Infectious Diseases, Institute for Global Health & Infectious Diseases, University of North Carolina School of Medicine, Chapel Hill, North Carolina, USA.
| | - Yery A Mendoza
- A.M. Prentice, D. Pereira, C. Cerami, and R. Wegmuller are with the Medical Research Council (MRC) Unit The Gambia, Fajara, Banjul, The Gambia. A.M. Prentice and R. Wegmuller are with the MRC International Nutrition Group, London School of Hygiene & Tropical Medicine, London, United Kingdom. Y.A. Mendoza, A. Constable, and J. Spieldenner are with the Nestlé Research Centre, Lausanne, Switzerland. D. Pereira is with the Department of Pathology, University of Cambridge, Cambridge, United Kingdom. C. Cerami is with the Division of Infectious Diseases, Institute for Global Health & Infectious Diseases, University of North Carolina School of Medicine, Chapel Hill, North Carolina, USA
| | - Dora Pereira
- A.M. Prentice, D. Pereira, C. Cerami, and R. Wegmuller are with the Medical Research Council (MRC) Unit The Gambia, Fajara, Banjul, The Gambia. A.M. Prentice and R. Wegmuller are with the MRC International Nutrition Group, London School of Hygiene & Tropical Medicine, London, United Kingdom. Y.A. Mendoza, A. Constable, and J. Spieldenner are with the Nestlé Research Centre, Lausanne, Switzerland. D. Pereira is with the Department of Pathology, University of Cambridge, Cambridge, United Kingdom. C. Cerami is with the Division of Infectious Diseases, Institute for Global Health & Infectious Diseases, University of North Carolina School of Medicine, Chapel Hill, North Carolina, USA
| | - Carla Cerami
- A.M. Prentice, D. Pereira, C. Cerami, and R. Wegmuller are with the Medical Research Council (MRC) Unit The Gambia, Fajara, Banjul, The Gambia. A.M. Prentice and R. Wegmuller are with the MRC International Nutrition Group, London School of Hygiene & Tropical Medicine, London, United Kingdom. Y.A. Mendoza, A. Constable, and J. Spieldenner are with the Nestlé Research Centre, Lausanne, Switzerland. D. Pereira is with the Department of Pathology, University of Cambridge, Cambridge, United Kingdom. C. Cerami is with the Division of Infectious Diseases, Institute for Global Health & Infectious Diseases, University of North Carolina School of Medicine, Chapel Hill, North Carolina, USA
| | - Rita Wegmuller
- A.M. Prentice, D. Pereira, C. Cerami, and R. Wegmuller are with the Medical Research Council (MRC) Unit The Gambia, Fajara, Banjul, The Gambia. A.M. Prentice and R. Wegmuller are with the MRC International Nutrition Group, London School of Hygiene & Tropical Medicine, London, United Kingdom. Y.A. Mendoza, A. Constable, and J. Spieldenner are with the Nestlé Research Centre, Lausanne, Switzerland. D. Pereira is with the Department of Pathology, University of Cambridge, Cambridge, United Kingdom. C. Cerami is with the Division of Infectious Diseases, Institute for Global Health & Infectious Diseases, University of North Carolina School of Medicine, Chapel Hill, North Carolina, USA
| | - Anne Constable
- A.M. Prentice, D. Pereira, C. Cerami, and R. Wegmuller are with the Medical Research Council (MRC) Unit The Gambia, Fajara, Banjul, The Gambia. A.M. Prentice and R. Wegmuller are with the MRC International Nutrition Group, London School of Hygiene & Tropical Medicine, London, United Kingdom. Y.A. Mendoza, A. Constable, and J. Spieldenner are with the Nestlé Research Centre, Lausanne, Switzerland. D. Pereira is with the Department of Pathology, University of Cambridge, Cambridge, United Kingdom. C. Cerami is with the Division of Infectious Diseases, Institute for Global Health & Infectious Diseases, University of North Carolina School of Medicine, Chapel Hill, North Carolina, USA
| | - Jörg Spieldenner
- A.M. Prentice, D. Pereira, C. Cerami, and R. Wegmuller are with the Medical Research Council (MRC) Unit The Gambia, Fajara, Banjul, The Gambia. A.M. Prentice and R. Wegmuller are with the MRC International Nutrition Group, London School of Hygiene & Tropical Medicine, London, United Kingdom. Y.A. Mendoza, A. Constable, and J. Spieldenner are with the Nestlé Research Centre, Lausanne, Switzerland. D. Pereira is with the Department of Pathology, University of Cambridge, Cambridge, United Kingdom. C. Cerami is with the Division of Infectious Diseases, Institute for Global Health & Infectious Diseases, University of North Carolina School of Medicine, Chapel Hill, North Carolina, USA
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Killin LOJ, Starr JM, Shiue IJ, Russ TC. Environmental risk factors for dementia: a systematic review. BMC Geriatr 2016; 16:175. [PMID: 27729011 PMCID: PMC5059894 DOI: 10.1186/s12877-016-0342-y] [Citation(s) in RCA: 204] [Impact Index Per Article: 25.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2016] [Accepted: 09/19/2016] [Indexed: 01/08/2023] Open
Abstract
BACKGROUND Dementia risk reduction is a major and growing public health priority. While certain modifiable risk factors for dementia have been identified, there remains a substantial proportion of unexplained risk. There is evidence that environmental risk factors may explain some of this risk. Thus, we present the first comprehensive systematic review of environmental risk factors for dementia. METHODS We searched the PubMed and Web of Science databases from their inception to January 2016, bibliographies of review articles, and articles related to publically available environmental data. Articles were included if they examined the association between an environmental risk factor and dementia. Studies with another outcome (for example, cognition), a physiological measure of the exposure, case studies, animal studies, and studies of nutrition were excluded. Data were extracted from individual studies which were, in turn, appraised for methodological quality. The strength and consistency of the overall evidence for each risk factor identified was assessed. RESULTS We screened 4784 studies and included 60 in the review. Risk factors were considered in six categories: air quality, toxic heavy metals, other metals, other trace elements, occupational-related exposures, and miscellaneous environmental factors. Few studies took a life course approach. There is at least moderate evidence implicating the following risk factors: air pollution; aluminium; silicon; selenium; pesticides; vitamin D deficiency; and electric and magnetic fields. CONCLUSIONS Studies varied widely in size and quality and therefore we must be circumspect in our conclusions. Nevertheless, this extensive review suggests that future research could focus on a short list of environmental risk factors for dementia. Furthermore, further robust, longitudinal studies with repeated measures of environmental exposures are required to confirm these associations.
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Affiliation(s)
- Lewis O. J. Killin
- Alzheimer Scotland Dementia Research Centre, University of Edinburgh, Edinburgh, UK
- Centre for Cognitive Ageing & Cognitive Epidemiology, University of Edinburgh, Edinburgh, UK
- Scottish Dementia Clinical Research Network, NHS Scotland, Perth, UK
| | - John M. Starr
- Alzheimer Scotland Dementia Research Centre, University of Edinburgh, Edinburgh, UK
- Centre for Cognitive Ageing & Cognitive Epidemiology, University of Edinburgh, Edinburgh, UK
| | - Ivy J. Shiue
- Alzheimer Scotland Dementia Research Centre, University of Edinburgh, Edinburgh, UK
- Faculty of Health and Life Sciences, Northumbria University, Newcastle-upon-Tyne, UK
| | - Tom C. Russ
- Alzheimer Scotland Dementia Research Centre, University of Edinburgh, Edinburgh, UK
- Centre for Cognitive Ageing & Cognitive Epidemiology, University of Edinburgh, Edinburgh, UK
- Centre for Dementia Prevention, University of Edinburgh, Edinburgh, UK
- Division of Psychiatry, Centre for Clinical Brain Sciences, University of Edinburgh, Edinburgh, UK
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Santos JS, Alvarenga Brizola VR, Granato D. High-throughput assay comparison and standardization for metal chelating capacity screening: A proposal and application. Food Chem 2016; 214:515-522. [PMID: 27507505 DOI: 10.1016/j.foodchem.2016.07.091] [Citation(s) in RCA: 123] [Impact Index Per Article: 15.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2016] [Revised: 05/12/2016] [Accepted: 07/12/2016] [Indexed: 12/31/2022]
Abstract
Aiming to standardize the experimental protocols to assess the ability to chelate Fe(2+) and Cu(2+) using 96-well microplates, we analyzed Brazilian coffees (n=20) as a study-case in relation to their antioxidant activity using conventional methods (DPPH and FRAP assays) and correlated the results with the total phenolic content (TPC) using bivariate and multivariate statistical approaches. Complementarily, we assessed the repeatability, reproducibility, recovery, and linearity of both methods. Data showed that the proposed assays presented a good repeatability and reproducibility (<7% RSD) and mean recovery values of 96.66% and 98.91% for the iron and copper assays, respectively. Both methods were linear in the range of 0-100mg EDTA equivalents/L. Cu(2+)-chelating ability was significantly correlated to FRAP, DPPH, and TPC, while sparse (p<0.05) correlations were obtained with Fe(2+)-chelating ability. Overall, both micro assays can be used to assess the ability of plant-based extracts to chelate Fe(2+) and Cu(2+)in vitro.
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Affiliation(s)
- Jânio Sousa Santos
- Food Science and Technology Graduate Program, State University of Ponta Grossa, Av. Carlos Cavalcanti, 4748, 84030-900, Uvaranas Campus, Ponta Grossa, PR, Brazil
| | - Vitor Rafael Alvarenga Brizola
- Department of Food Engineering, State University of Ponta Grossa, Av. Carlos Cavalcanti, 4748, 84030-900, Uvaranas Campus, Ponta Grossa, PR, Brazil
| | - Daniel Granato
- Food Science and Technology Graduate Program, State University of Ponta Grossa, Av. Carlos Cavalcanti, 4748, 84030-900, Uvaranas Campus, Ponta Grossa, PR, Brazil; Department of Food Engineering, State University of Ponta Grossa, Av. Carlos Cavalcanti, 4748, 84030-900, Uvaranas Campus, Ponta Grossa, PR, Brazil.
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Dlugaj M, Winkler A, Weimar C, Dürig J, Broecker-Preuss M, Dragano N, Moebus S, Jöckel KH, Erbel R, Eisele L. Anemia and Mild Cognitive Impairment in the German General Population. J Alzheimers Dis 2015; 49:1031-42. [PMID: 26599053 DOI: 10.3233/jad-150434] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Affiliation(s)
- Martha Dlugaj
- Department of Neurology, University Hospital of Essen, University of Duisburg-Essen, Essen, Germany
| | - Angela Winkler
- Department of Neurology, University Hospital of Essen, University of Duisburg-Essen, Essen, Germany
| | - Christian Weimar
- Department of Neurology, University Hospital of Essen, University of Duisburg-Essen, Essen, Germany
| | - Jan Dürig
- Department of Hematology, University Hospital of Essen, University of Duisburg-Essen, Essen, Germany
| | - Martina Broecker-Preuss
- Department of Endocrinology, Division of Laboratory Research, University Hospital of Essen, University Duisburg-Essen, Essen, Germany
| | - Nico Dragano
- Institute for Medical Sociology, Medical Faculty, University of Düsseldorf, Düsseldorf, Germany
| | - Susanne Moebus
- Institute for Medical Informatics, Biometry and Epidemiology, University Hospital of Essen, University Duisburg-Essen, Essen, Germany
| | - Karl-Heinz Jöckel
- Institute for Medical Informatics, Biometry and Epidemiology, University Hospital of Essen, University Duisburg-Essen, Essen, Germany
| | - Raimund Erbel
- Clinic of Cardiology, West German Heart Centre, University Hospital of Essen, University Duisburg-Essen, Essen, Germany
| | - Lewin Eisele
- Institute for Medical Informatics, Biometry and Epidemiology, University Hospital of Essen, University Duisburg-Essen, Essen, Germany
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McCarthy RC, Kosman DJ. Mechanisms and regulation of iron trafficking across the capillary endothelial cells of the blood-brain barrier. Front Mol Neurosci 2015; 8:31. [PMID: 26236187 PMCID: PMC4500905 DOI: 10.3389/fnmol.2015.00031] [Citation(s) in RCA: 62] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2015] [Accepted: 06/29/2015] [Indexed: 02/06/2023] Open
Abstract
The transcellular trafficking of iron from the blood into the brain interstitium depends on iron uptake proteins in the apical membrane of brain microvascular capillary endothelial cells and efflux proteins at the basolateral, abluminal membrane. In this review, we discuss the three mechanisms by which these cells take-up iron from the blood and the sole mechanism by which they efflux this iron into the abluminal space. We then focus on the regulation of this efflux pathway by exocrine factors that are released from neighboring astrocytes. Also discussed are the cytokines secreted by capillary cells that regulate the expression of these glial cell signals. Among the interstitial factors that regulate iron efflux into the brain is the Amyloid precursor protein (APP). The role of this amyliodogenic species in brain iron metabolism is discussed. Last, we speculate on the potential relationship between iron transport at the blood-brain barrier and neurological disorders associated with iron mismanagement.
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Affiliation(s)
- Ryan C McCarthy
- Department of Biochemistry, School of Medicine and Biomedical Sciences, University at Buffalo Buffalo, NY, USA
| | - Daniel J Kosman
- Department of Biochemistry, School of Medicine and Biomedical Sciences, University at Buffalo Buffalo, NY, USA
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Walach H, Loef M. Using a matrix-analytical approach to synthesizing evidence solved incompatibility problem in the hierarchy of evidence. J Clin Epidemiol 2015; 68:1251-60. [PMID: 26148834 DOI: 10.1016/j.jclinepi.2015.03.027] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2014] [Revised: 01/07/2015] [Accepted: 03/23/2015] [Indexed: 12/28/2022]
Abstract
OBJECTIVES The hierarchy of evidence presupposes linearity and additivity of effects, as well as commutativity of knowledge structures. It thereby implicitly assumes a classical theoretical model. STUDY DESIGN AND SETTING This is an argumentative article that uses theoretical analysis based on pertinent literature and known facts to examine the standard view of methodology. RESULTS We show that the assumptions of the hierarchical model are wrong. The knowledge structures gained by various types of studies are not sequentially indifferent, that is, do not commute. External validity and internal validity are at least partially incompatible concepts. Therefore, one needs a different theoretical structure, typical of quantum-type theories, to model this situation. The consequence of this situation is that the implicit assumptions of the hierarchical model are wrong, if generalized to the concept of evidence in total. CONCLUSION The problem can be solved by using a matrix-analytical approach to synthesizing evidence. Here, research methods that produce different types of evidence that complement each other are synthesized to yield the full knowledge. We show by an example how this might work. We conclude that the hierarchical model should be complemented by a broader reasoning in methodology.
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Affiliation(s)
- Harald Walach
- Institute of Transcultural Health Studies, European University Viadrina, Frankfurt (Oder), Germany.
| | - Martin Loef
- Institute of Transcultural Health Studies, European University Viadrina, Frankfurt (Oder), Germany
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Abstract
Overestimates of the efficacy of surgical and pharmacological interventions for the prevention and treatment of chronic disease and underestimates of the associated risks may bias physicians and patients against lifestyle medicine interventions that can be cheaper, safer, and more effective by treating the underlying cause of disease. The leading causes of both death and disability in the United States are diet, followed by smoking. The food and tobacco industries share similar tactics to downplay and obfuscate the risks associated with their products, but physicians can educate themselves about the role lifestyle interventions can play in the prevention and treatment of chronic disease. For example, a diet centered around whole plant foods can be used to successfully treat angina and painful diabetic neuropathy and may help prevent low-back pain and Alzheimer’s disease, all perhaps because of a common underlying vascular component. The delay between recognizing the risks of smoking and effective public health measures may have cost millions of lives. Similar delays in stopping dietary diseases may cost millions more.
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Affiliation(s)
- Michael Greger
- Humane Society of the United States, Gaithersburg, Maryland (MG)
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38
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Yerdelen KO, Koca M, Kasap Z, Anil B. Preparation, anticholinesterase activity, and docking study of new 2-butenediamide and oxalamide derivatives. J Enzyme Inhib Med Chem 2014; 30:671-8. [PMID: 25431144 DOI: 10.3109/14756366.2014.959947] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Several new oxalamide and 2-butenediamide derivatives have been designed, synthesized and evaluated as the acetyl- and butyryl-cholinesterase inhibitors for Alzheimer's disease. The enzyme inhibitory activity of the synthesized compounds was measured using Ellman's colorimetric method. It was revealed that compound 1a (N,N'-bis-(4-chloro-benzyl)-N,N'-diphenyl-oxalamide) showed maximum activity against BuChE with a half maximal inhibitory concentration (IC50) = 1.86 µM and compound 2a (but-2-enedioic acid bis-[(4-chloro-benzyl)-phenyl-amide]) exhibited optimum AChE (IC50 = 1.51 µM) inhibition with a high-selectivity index. To better understand the enzyme-inhibitor interaction of the most active compounds towards cholinesterase, molecular modelling studies were carried out. Docking simulations revealed that inhibitors 1a and 2a targeted both the catalytic active site and the peripheral anionic site of 1ACJ and 1P0I.
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In vitro heme and non-heme iron capture from hemoglobin, myoglobin and ferritin by bovine lactoferrin and implications for suppression of reactive oxygen species in vivo. Biometals 2014; 27:1371-82. [PMID: 25280951 DOI: 10.1007/s10534-014-9798-4] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2014] [Accepted: 09/28/2014] [Indexed: 01/18/2023]
Abstract
Lactoferrin (Lf), present in colostrum and milk is a member of the transferrin family of iron-binding glyco-proteins, with stronger binding capacity to ferric iron than hemoglobin, myoglobin or transferrin. Unlike hemoglobin and myoglobin, iron-bound Lf is reasonably stable to gastric and duodenal digestive conditions. Unlike ferrous iron, ferric iron is not directly reactive with oxygen supporting the capacity of Lf capture of heme iron to suppress reactive oxygen species (ROS) production. We therefore hypothesized that bovine Lf could capture and thereby terminate the cycle of ROS production by heme iron. The transfer of heme iron from either intact or digested forms of hemoglobin and myoglobin and from intact ferritin was demonstrated by in vitro methods, monitoring Fe-saturation status of Lf by changes in absorptivity at 465 nm. The results are discussed in the context of new proposed opportunities for orally administered Lf to regulate oxidative damage associated with heme iron. In addition to potentially suppressing oxidative heme-iron-mediated tissue damage in the lumen, Lf is expected to also reverse the overload of ferritin-bound iron, that accompanies chronic inflammation and aging. These new proposed uses of Lf are additional to known host defense functions that include anti-microbial, anti-viral properties, immune and cancer cell growth regulation. The findings and interpretations presented require clinical substantiation and may support important additional protective and therapeutic uses for Lf in the future.
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40
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McCarthy RC, Park YH, Kosman DJ. sAPP modulates iron efflux from brain microvascular endothelial cells by stabilizing the ferrous iron exporter ferroportin. EMBO Rep 2014; 15:809-15. [PMID: 24867889 DOI: 10.15252/embr.201338064] [Citation(s) in RCA: 87] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
A sequence within the E2 domain of soluble amyloid precursor protein (sAPP) stimulates iron efflux. This activity has been attributed to a ferroxidase activity suggested for this motif. We demonstrate that the stimulation of efflux supported by this peptide and by sAPPα is due to their stabilization of the ferrous iron exporter, ferroportin (Fpn), in the plasma membrane of human brain microvascular endothelial cells (hBMVEC). The peptide does not bind ferric iron explaining why it does not and thermodynamically cannot promote ferrous iron autoxidation. This peptide specifically pulls Fpn down from the plasma membrane of hBMVEC; based on these results, FTP, for ferroportin-targeting peptide, correctly identifies the function of this peptide. The data suggest that in stabilizing Fpn via the targeting due to the FTP sequence, sAPP will increase the flux of iron into the cerebral interstitium. This inference correlates with the observation of significant iron deposition in the amyloid plaques characteristic of Alzheimer's disease.
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Affiliation(s)
- Ryan C McCarthy
- Department of Biochemistry, School of Medicine and Biomedical Sciences University at Buffalo, Buffalo, NY, USA
| | - Yun-Hee Park
- Department of Biochemistry, School of Medicine and Biomedical Sciences University at Buffalo, Buffalo, NY, USA
| | - Daniel J Kosman
- Department of Biochemistry, School of Medicine and Biomedical Sciences University at Buffalo, Buffalo, NY, USA
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41
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Ascorbic acid and the brain: rationale for the use against cognitive decline. Nutrients 2014; 6:1752-81. [PMID: 24763117 PMCID: PMC4011065 DOI: 10.3390/nu6041752] [Citation(s) in RCA: 57] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2013] [Revised: 03/24/2014] [Accepted: 04/10/2014] [Indexed: 12/21/2022] Open
Abstract
This review is focused upon the role of ascorbic acid (AA, vitamin C) in the promotion of healthy brain aging. Particular attention is attributed to the biochemistry and neuronal metabolism interface, transport across tissues, animal models that are useful for this area of research, and the human studies that implicate AA in the continuum between normal cognitive aging and age-related cognitive decline up to Alzheimer’s disease. Vascular risk factors and comorbidity relationships with cognitive decline and AA are discussed to facilitate strategies for advancing AA research in the area of brain health and neurodegeneration.
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42
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Bossola M, Di Stasio E, Viola A, Leo A, Carlomagno G, Monteburini T, Cenerelli S, Santarelli S, Boggi R, Miggiano G, Vulpio C, Mele C, Tazza L. Dietary intake of trace elements, minerals, and vitamins of patients on chronic hemodialysis. Int Urol Nephrol 2014; 46:809-15. [PMID: 24633699 DOI: 10.1007/s11255-014-0689-y] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2013] [Accepted: 02/27/2014] [Indexed: 11/30/2022]
Abstract
PURPOSE We aimed to estimate dietary intakes of trace elements, minerals, and vitamins in hemodialysis patients (HDP) of three centers in one metropolitan and two urban areas of Italy. METHODS Daily dietary intake was assessed using a 3-day diet diary in 128 HDP. RESULTS Mean daily intakes of trace elements were as follows: zinc, 7.6 ± 5.4 mg; copper, 14.3 ± 11.8 mg; selenium, 28.3 ± 18.1 μg; and iron, 7.2 ± 4.1 mg (7.8 ± 2.6 mg in women, 6.9 ± 2.4 mg in men). The distribution of patients by daily intakes of trace elements showed most were under the recommended values, with the exception of copper intake, which was much higher. Mean daily intakes of minerals were as follows: magnesium, 174.4 ± 94.3 mg; phosphorus, 842.6 ± 576.8 mg; calcium, 371.8 ± 363.7 mg; potassium, 1,616.2 ± 897.3 mg; and sodium, 1,350 ± 1,281 mg. Mean daily intakes of vitamins were as follows: vitamin A, 486.1 ± 544.6 μg; vitamin B1, 0.86 ± 0.7 mg; vitamin B2, 1.1 ± 0.7 mg; vitamin B3, 13.3 ± 8.1 mg; vitamin C, 47.8 ± 50.3 mg; and vitamin E, 9.5 ± 3.6 mg. The distribution of patients by daily intakes of vitamins showed most were under the recommended values. Daily intakes of trace elements and vitamins were similar among the three centers and did not differ between dialysis and non-dialysis days. CONCLUSIONS Many HDP have daily dietary intakes of trace elements and vitamins below the recommended values, whereas the intake of copper is much higher.
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Affiliation(s)
- Maurizio Bossola
- Servizio Emodialisi, Istituto di Clinica Chirurgica, Università Cattolica del Sacro Cuore, Rome, Italy,
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43
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Andreeva VA, Galan P, Arnaud J, Julia C, Hercberg S, Kesse-Guyot E. Midlife iron status is inversely associated with subsequent cognitive performance, particularly in perimenopausal women. J Nutr 2013; 143:1974-81. [PMID: 24089418 DOI: 10.3945/jn.113.177089] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
The link between iron status and cognition has been established in infants and children, yet evidence in adults is scant and heterogeneous. We examined sex- and menopause-specific cross-time associations of iron status with cognition in the French Supplémentation en Vitamines et Minéraux Antioxydants Study cohort (1539 men, 1431 pre-/perimenopausal women, 962 postmenopausal women). Serum ferritin and hemoglobin data were obtained in 1995. Cognition was assessed after a mean of 13 y through 6 validated instruments, including the RI-48 cued recall test, phonemic and semantic fluency tasks, forward and backward digit span tasks, and a trail-making test. The standardized individual test scores were summed to form a composite cognitive performance measure. Associations between ferritin and hemoglobin and subsequent cognitive performance were examined through multivariable linear regression. Among men, no significant associations were observed. In postmenopausal women, an inverse association was found between ferritin and phonemic fluency (adjusted β: -0.11; 95% CI: -0.21, -0.01). Significant inverse associations between ferritin and both the composite cognitive measure (adjusted β: -0.09; 95% CI: -0.17, -0.00) and the forward digit span scores (adjusted β: -0.13; 95% CI: -0.22, -0.03) were observed only among premenopausal women aged ≥ 46 y at baseline. No significant findings with hemoglobin emerged. This study supports an inverse association between midlife iron status and subsequent cognitive performance that is sex- and menopause-dependent. Given the urgent need for prevention research on age-related disorders, future investigations of iron status and cognition are warranted. The study is registered at www.clinicaltrials.gov as NCT00272428.
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Affiliation(s)
- Valentina A Andreeva
- Nutritional Epidemiology Research Unit, Sorbonne-Paris-Cité, UMR University of Paris XIII, INSERM U557/INRA U1125/CNAM, Bobigny, France; 4CHU Institut de Biologie et Pathologie, Unité de Biochimie Hormonale et Nutritionnelle, INSERM U1055, Grenoble, France 5Department of Public Health, Avicenne Hospital, Bobigny, France
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44
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Nanotechnology-Based Drug Delivery Systems for Targeting, Imaging and Diagnosis of Neurodegenerative Diseases. Pharm Res 2013; 30:2499-511. [DOI: 10.1007/s11095-013-1156-7] [Citation(s) in RCA: 63] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2012] [Accepted: 07/22/2013] [Indexed: 12/26/2022]
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45
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Hare D, Ayton S, Bush A, Lei P. A delicate balance: Iron metabolism and diseases of the brain. Front Aging Neurosci 2013; 5:34. [PMID: 23874300 PMCID: PMC3715022 DOI: 10.3389/fnagi.2013.00034] [Citation(s) in RCA: 275] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2013] [Accepted: 06/25/2013] [Indexed: 12/12/2022] Open
Abstract
Iron is the most abundant transition metal within the brain, and is vital for a number of cellular processes including neurotransmitter synthesis, myelination of neurons, and mitochondrial function. Redox cycling between ferrous and ferric iron is utilized in biology for various electron transfer reactions essential to life, yet this same chemistry mediates deleterious reactions with oxygen that induce oxidative stress. Consequently, there is a precise and tightly controlled mechanism to regulate iron in the brain. When iron is dysregulated, both conditions of iron overload and iron deficiencies are harmful to the brain. This review focuses on how iron metabolism is maintained in the brain, and how an alteration to iron and iron metabolism adversely affects neurological function.
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Affiliation(s)
- Dominic Hare
- The Florey Institute of Neuroscience and Mental Health, University of MelbourneVIC, Australia
- Elemental Bio-imaging Facility, University of TechnologySydney, NSW, Australia
| | - Scott Ayton
- The Florey Institute of Neuroscience and Mental Health, University of MelbourneVIC, Australia
| | - Ashley Bush
- The Florey Institute of Neuroscience and Mental Health, University of MelbourneVIC, Australia
| | - Peng Lei
- The Florey Institute of Neuroscience and Mental Health, University of MelbourneVIC, Australia
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46
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Chen JH, Shahnavas S, Singh N, Ong WY, Walczyk T. Stable iron isotope tracing reveals significant brain iron uptake in adult rats. Metallomics 2013; 5:167-73. [PMID: 23340610 DOI: 10.1039/c2mt20226c] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Iron deposits in the brain are a common hallmark of Alzheimer's disease and Parkinson's disease. This has spurred the hypothesis that iron may play a functional role in the pathogenesis of neurodegenerative disorders through free radical damage. Previous short-term studies using radiotracers suggested that brain iron uptake is small as compared to other tissues in adult rodents. This has led to the assumption that brain iron uptake must also be marginal in humans after brain development is complete. In this study we applied a novel approach to determine directly the fraction of iron that was transferred over time from diet to brain and other organs in adult rats. A known amount of a stable iron isotope ((57)Fe) was fed with drinking water to adult rats over 4 months. Uptake of the tracer iron and final iron content in tissues were assessed by Negative Thermal Ionization Mass Spectrometry (NTI-MS). We found that only a very small amount of dietary iron entered the brain (0.000537 ± 0.000076%). This amount, however, is considerable relative to the total brain iron content (9.19 ± 0.71%), which was lower but comparable to percentage uptake in other tissues. Whereas it remains unclear whether excessive dietary iron intake is a risk factor in neurodegenerative diseases or whether high systemic iron correlates with iron deposits in the brain, our study suggests that uptake of dietary iron is much higher than previously thought. This finding challenges current beliefs and points to a possible role of iron nutrition in the pathogenesis of neurodegenerative disorders.
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Affiliation(s)
- Jie-Hua Chen
- Department of Chemistry, National University of Singapore, Singapore
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47
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Hu N, Yu JT, Tan L, Wang YL, Sun L, Tan L. Nutrition and the risk of Alzheimer's disease. BIOMED RESEARCH INTERNATIONAL 2013; 2013:524820. [PMID: 23865055 PMCID: PMC3705810 DOI: 10.1155/2013/524820] [Citation(s) in RCA: 99] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/10/2013] [Revised: 06/05/2013] [Accepted: 06/10/2013] [Indexed: 02/07/2023]
Abstract
Alzheimer's disease (AD) is a progressive neurodegenerative disorder that accounts for the major cause of dementia, and the increasing worldwide prevalence of AD is a major public health concern. Increasing epidemiological studies suggest that diet and nutrition might be important modifiable risk factors for AD. Dietary supplementation of antioxidants, B vitamins, polyphenols, and polyunsaturated fatty acids are beneficial to AD, and consumptions of fish, fruits, vegetables, coffee, and light-to-moderate alcohol reduce the risk of AD. However, many of the results from randomized controlled trials are contradictory to that of epidemiological studies. Dietary patterns summarizing an overall diet are gaining momentum in recent years. Adherence to a healthy diet, the Japanese diet, and the Mediterranean diet is associated with a lower risk of AD. This paper will focus on the evidence linking many nutrients, foods, and dietary patterns to AD.
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Affiliation(s)
- Nan Hu
- Department of Neurology, Qingdao Municipal Hospital, School of Medicine, Qingdao University, Number 5 Donghai Middle Road, Qingdao 266071, China
| | - Jin-Tai Yu
- Department of Neurology, Qingdao Municipal Hospital, School of Medicine, Qingdao University, Number 5 Donghai Middle Road, Qingdao 266071, China
- College of Medicine and Pharmaceutics, Ocean University of China, Qingdao 266003, China
| | - Lin Tan
- Department of Neurology, Qingdao Municipal Hospital, School of Medicine, Qingdao University, Number 5 Donghai Middle Road, Qingdao 266071, China
| | - Ying-Li Wang
- Department of Neurology, Qingdao Municipal Hospital, School of Medicine, Qingdao University, Number 5 Donghai Middle Road, Qingdao 266071, China
| | - Lei Sun
- Department of Neurology, Qingdao Municipal Hospital, School of Medicine, Qingdao University, Number 5 Donghai Middle Road, Qingdao 266071, China
| | - Lan Tan
- Department of Neurology, Qingdao Municipal Hospital, School of Medicine, Qingdao University, Number 5 Donghai Middle Road, Qingdao 266071, China
- College of Medicine and Pharmaceutics, Ocean University of China, Qingdao 266003, China
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48
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Squitti R, Polimanti R, Siotto M, Bucossi S, Ventriglia M, Mariani S, Vernieri F, Scrascia F, Trotta L, Rossini PM. ATP7B Variants as Modulators of Copper Dyshomeostasis in Alzheimer’s Disease. Neuromolecular Med 2013; 15:515-22. [DOI: 10.1007/s12017-013-8237-y] [Citation(s) in RCA: 53] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2013] [Accepted: 05/31/2013] [Indexed: 01/13/2023]
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49
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Cerchiaro G, Manieri TM, Bertuchi FR. Analytical methods for copper, zinc and iron quantification in mammalian cells. Metallomics 2013; 5:1336-45. [DOI: 10.1039/c3mt00136a] [Citation(s) in RCA: 50] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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50
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Eskici G, Axelsen PH. Copper and Oxidative Stress in the Pathogenesis of Alzheimer’s Disease. Biochemistry 2012; 51:6289-311. [DOI: 10.1021/bi3006169] [Citation(s) in RCA: 204] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Gözde Eskici
- Departments of Pharmacology, Biochemistry and Biophysics,
and Medicine, University of Pennsylvania, Perelman School of Medicine, Philadelphia, Pennsylvania 19104, United
States
| | - Paul H. Axelsen
- Departments of Pharmacology, Biochemistry and Biophysics,
and Medicine, University of Pennsylvania, Perelman School of Medicine, Philadelphia, Pennsylvania 19104, United
States
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