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Coverdale JPC, Polepalli S, Arruda MAZ, da Silva ABS, Stewart AJ, Blindauer CA. Recent Advances in Metalloproteomics. Biomolecules 2024; 14:104. [PMID: 38254704 PMCID: PMC10813065 DOI: 10.3390/biom14010104] [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: 10/20/2023] [Revised: 11/17/2023] [Accepted: 01/10/2024] [Indexed: 01/24/2024] Open
Abstract
Interactions between proteins and metal ions and their complexes are important in many areas of the life sciences, including physiology, medicine, and toxicology. Despite the involvement of essential elements in all major processes necessary for sustaining life, metalloproteomes remain ill-defined. This is not only owing to the complexity of metalloproteomes, but also to the non-covalent character of the complexes that most essential metals form, which complicates analysis. Similar issues may also be encountered for some toxic metals. The review discusses recently developed approaches and current challenges for the study of interactions involving entire (sub-)proteomes with such labile metal ions. In the second part, transition metals from the fourth and fifth periods are examined, most of which are xenobiotic and also tend to form more stable and/or inert complexes. A large research area in this respect concerns metallodrug-protein interactions. Particular attention is paid to separation approaches, as these need to be adapted to the reactivity of the metal under consideration.
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Affiliation(s)
- James P. C. Coverdale
- School of Pharmacy, Institute of Clinical Sciences, University of Birmingham, Edgbaston B15 2TT, UK;
| | | | - Marco A. Z. Arruda
- Institute of Chemistry, Department of Analytical Chemistry, Universidade Estadual de Campinas, Campinas 13083-970, Brazil; (M.A.Z.A.); (A.B.S.d.S.)
| | - Ana B. Santos da Silva
- Institute of Chemistry, Department of Analytical Chemistry, Universidade Estadual de Campinas, Campinas 13083-970, Brazil; (M.A.Z.A.); (A.B.S.d.S.)
| | - Alan J. Stewart
- School of Medicine, University of St. Andrews, St Andrews KY16 9TF, UK
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Notova SV, Lebedev SV, Marshinskaia OV, Kazakova TV, Ajsuvakova OP. Speciation analysis of manganese against the background of its different content in the blood serum of dairy cows. Biometals 2023; 36:35-48. [PMID: 36282443 DOI: 10.1007/s10534-022-00456-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Accepted: 10/06/2022] [Indexed: 11/28/2022]
Abstract
Studies in the field of microelement speciation in the body of farm animals, in particular dairy cattle, are almost completely absent. The average concentration of Mn in the blood serum of all the studied animals (n = 80) was 2.5 μg/L, which corresponds to normal values. Of the total number of animals, 21% were the cows with the low normal values (serum Mn concentration ≤ 2 µg/L, i.e. less than Q25 of the total sample) and 25% were the animals with the high normal values (serum Mn concentration ≥ 2.72 µg/L, i.e. more than Q75 of the total sample). The data obtained in the course of the study indicate that the change in the Mn level, even in the range of normal values, is accompanied by the redistribution of this element over various protein fractions. The six found Mn blood serum forms are presumably represented by α2-macroglobulin (tetramer, dimer, and monomer), transferrin/albumine, manganese citrates, and "free" metal ions. The analyzed fractions of Mn found in the blood serum of cows had the following hierarchy of concentrations: in the group with low-normal values of Mn ("free" Mn >> tetrameric form of α2-macroglobulin >> transferrin/albumine >> dimeric form of α2-macroglobulin >> monomeric form of α2-macroglobulin >> citrate), in the group with high normal manganese values ("free" Mn >> monomeric form of α2-macroglobulin >> transferring/albumine >> citrate >> tetrameric form of α2-macroglobulin >> dimeric form of α2-macroglobulin). In the group with high normal Mn values relative to the group with low normal values, there was a percentage decrease in the tetrameric fraction of a2-macroglobulin from 17.2 to 4.4%, dimeric fraction of a2-macroglobulin from 6.9 to 2.2%, "free" Mn from 54.3 to 44.4% and an increase in monomeric fraction of a2-macroglobulin from 6.7 to 23.1%, transferrin/albumine from 10.1 to 17.7%, citrate from 4.8 to 8.2%. Our data demonstrate the features of Mn redistribution of dairy cows, which can be used for an extended assessment of the microelement status of animals.
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Affiliation(s)
- S V Notova
- Federal Research Centre for Biological Systems and Agrotechnologies of the Russian Academy of Sciences, St. 9 Yanvarya, 29, Orenburg, Russian Federation, 460000
| | - S V Lebedev
- Federal Research Centre for Biological Systems and Agrotechnologies of the Russian Academy of Sciences, St. 9 Yanvarya, 29, Orenburg, Russian Federation, 460000
| | - O V Marshinskaia
- Federal Research Centre for Biological Systems and Agrotechnologies of the Russian Academy of Sciences, St. 9 Yanvarya, 29, Orenburg, Russian Federation, 460000.
| | - T V Kazakova
- Federal Research Centre for Biological Systems and Agrotechnologies of the Russian Academy of Sciences, St. 9 Yanvarya, 29, Orenburg, Russian Federation, 460000
| | - O P Ajsuvakova
- Federal Research Centre for Biological Systems and Agrotechnologies of the Russian Academy of Sciences, St. 9 Yanvarya, 29, Orenburg, Russian Federation, 460000
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Duroux C, Hagège A. CE-ICP-MS to probe Aβ1-42 / copper (II) interactions, a complementary tool to study amyloid aggregation in Alzheimer's Disease. Metallomics 2021; 14:6482862. [PMID: 34951920 DOI: 10.1093/mtomcs/mfab075] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Accepted: 12/14/2021] [Indexed: 11/13/2022]
Abstract
Copper (II) ions appear to be involved in the Alzheimer's disease (AD) and seem to influence the aggregation of the amyloid-β1-42 (Aβ1-42) peptide. However, data are not conclusive and still not subject to consensus, copper (II) being suspected to either promote or inhibit aggregation. To address this question, CE-ICP-MS hyphenation was proposed as a complementary tool to follow the distribution of copper in the different oligomeric forms, at different sub-stoichiometries and different incubation times. Results clearly indicated the formation of several negatively charged copper complexes and showed the enhancement of the aggregation rate with copper concentration. Moreover, the variations of copper (II) speciation suggest different aggregation pathway, even for sub-stoichiometric ratios.
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Affiliation(s)
- C Duroux
- Université de Lyon, CNRS, Université Claude Bernard Lyon 1, Institut des Sciences Analytiques, UMR 5280, 69100 Villeurbanne, France
| | - A Hagège
- Université de Lyon, CNRS, Université Claude Bernard Lyon 1, Institut des Sciences Analytiques, UMR 5280, 69100 Villeurbanne, France
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Michalke B, Berthele A, Venkataramani V. Simultaneous Quantification and Speciation of Trace Metals in Paired Serum and CSF Samples by Size Exclusion Chromatography-Inductively Coupled Plasma-Dynamic Reaction Cell-Mass Spectrometry (SEC-DRC-ICP-MS). Int J Mol Sci 2021; 22:ijms22168892. [PMID: 34445607 PMCID: PMC8396360 DOI: 10.3390/ijms22168892] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Revised: 08/12/2021] [Accepted: 08/15/2021] [Indexed: 12/16/2022] Open
Abstract
BACKGROUND Transition metals play a crucial role in brain metabolism: since they exist in different oxidation states they are involved in ROS generation, but they are also co-factors of enzymes in cellular energy metabolism or oxidative defense. METHODS Paired serum and cerebrospinal fluid (CSF) samples were analyzed for iron, zinc, copper and manganese as well as for speciation using SEC-ICP-DRC-MS. Brain extracts from Mn-exposed rats were additionally analyzed with SEC-ICP-DRC-MS. RESULTS The concentration patterns of transition metal size fractions were correlated between serum and CSF: Total element concentrations were significantly lower in CSF. Fe-ferritin was decreased in CSF whereas a LMW Fe fraction was relatively increased. The 400-600 kDa Zn fraction and the Cu-ceruloplasmin fraction were decreased in CSF, by contrast the 40-80 kDa fraction, containing Cu- and Zn-albumin, relatively increased. For manganese, the α-2-macroglobulin fraction showed significantly lower concentration in CSF, whereas the citrate Mn fraction was enriched. Results from the rat brain extracts supported the findings from human paired serum and CSF samples. CONCLUSIONS Transition metals are strictly controlled at neural barriers (NB) of neurologic healthy patients. High molecular weight species are down-concentrated along NB, however, the Mn-citrate fraction seems to be less controlled, which may be problematic under environmental load.
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Affiliation(s)
- Bernhard Michalke
- Research Unit Analytical BioGeoChemistry, Helmholtz Center Munich—German Research Center for Environmental Health, 85764 Neuherberg, Germany
- Correspondence: ; Tel.: +49-8931874206
| | - Achim Berthele
- Department of Neurology, School of Medicine, Technical University of Munich (TUM), Klinikum rechts der Isar, 81675 Munich, Germany;
| | - Vivek Venkataramani
- Department of Medicine II, Hematology/Oncology, University Hospital Frankfurt, 60590 Frankfurt am Main, Germany;
- Institute of Pathology, University Medical Center Göttingen (UMG), 37075 Göttingen, Germany
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Ajsuvakova OP, Tinkov AA, Willkommen D, Skalnaya AA, Danilov AB, Pilipovich AA, Aschner M, Skalny AV, Michalke B, Skalnaya MG. Assessment of copper, iron, zinc and manganese status and speciation in patients with Parkinson's disease: A pilot study. J Trace Elem Med Biol 2020; 59:126423. [PMID: 31733982 DOI: 10.1016/j.jtemb.2019.126423] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/29/2019] [Revised: 09/25/2019] [Accepted: 10/24/2019] [Indexed: 01/29/2023]
Abstract
BACKGROUND The objective of this pilot study was to assess iron (Fe), copper (Cu), zinc (Zn), and manganese (Mn) status (hair, serum, and urine) and speciation (serum) in Parkinson's disease (PD) patients. METHODS A pilot study involving a total of 27 subjects (13 PD patients, 14 controls) was performed. Serum, urine, and hair metal content was assessed using ICP-MS. Speciation analysis of Cu, Zn, Fe, and Mn was performed using a hybrid HPLC-ICP-MS system. RESULTS Group comparisons did not reveal any significant group difference in serum Cu, Zn, Fe, and Mn total metal level between PD patients and controls. Speciation analysis revealed a significant decrease in Cu/ceruloplasmin copper in association with elevation of low-molecular weight species (amino acids)-bound copper. It is proposed that in PD, binding of Cu(II) ions to ceruloplasmin is reduced and free copper ions coordinate with low molecular weight ligands. The level of Mn-albumin complexes in PD patients was more than 4-fold higher as compared to the respective value in the control group. The observed difference may be considered as a marker of redistribution between high and low molecular weight ligands. CONCLUSIONS Metal speciation is significantly affected in serum of PD-patients. These findings are indicative of the potential role of metal metabolism and PD pathogenesis, although the exact mechanisms of such associations require further detailed studies.
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Affiliation(s)
- Olga P Ajsuvakova
- I.M. Sechenov First Moscow State Medical University (Sechenov University), Trubetskaya St., 8-2, 119991 Moscow, Russia; Peoples' Friendship University of Russia (RUDN University), Miklukho-Maklay St., 10/2, Moscow 117198, Russia; Federal Scientific Center of Biological Systems and Agrotechnologies of the Russian Academy of Sciences, 9 Yanvarya St., 29, 460000 Orenburg, Russia.
| | - Alexey A Tinkov
- I.M. Sechenov First Moscow State Medical University (Sechenov University), Trubetskaya St., 8-2, 119991 Moscow, Russia; P.G. Demidov Yaroslavl State University, Sovetskaya st., 14, 150003 Yaroslavl, Russia; Federal Scientific Center of Biological Systems and Agrotechnologies of the Russian Academy of Sciences, 9 Yanvarya St., 29, 460000 Orenburg, Russia
| | - Desiree Willkommen
- RECIPE Chemicals and Instruments GmbH, Sternstraße 5A, 85386 Eching, Munich, Germany
| | - Anastasia A Skalnaya
- M.V. Lomonosov Moscow State University, Leninskie Gory, 1, 119991 Moscow, Russia
| | - Alexey B Danilov
- I.M. Sechenov First Moscow State Medical University (Sechenov University), Trubetskaya St., 8-2, 119991 Moscow, Russia
| | - Anna A Pilipovich
- I.M. Sechenov First Moscow State Medical University (Sechenov University), Trubetskaya St., 8-2, 119991 Moscow, Russia
| | - Michael Aschner
- Department of Molecular Pharmacology, Albert Einstein College of Medicine, Bronx, New York, USA
| | - Anatoly V Skalny
- I.M. Sechenov First Moscow State Medical University (Sechenov University), Trubetskaya St., 8-2, 119991 Moscow, Russia; Peoples' Friendship University of Russia (RUDN University), Miklukho-Maklay St., 10/2, Moscow 117198, Russia; Federal Scientific Center of Biological Systems and Agrotechnologies of the Russian Academy of Sciences, 9 Yanvarya St., 29, 460000 Orenburg, Russia
| | - Bernhard Michalke
- Helmholtz Zentrum München, Ingolstädter Landstraße 1, 85764 Neuherberg, Germany
| | - Margarita G Skalnaya
- I.M. Sechenov First Moscow State Medical University (Sechenov University), Trubetskaya St., 8-2, 119991 Moscow, Russia; Peoples' Friendship University of Russia (RUDN University), Miklukho-Maklay St., 10/2, Moscow 117198, Russia
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Kubáň P, Dvořák M, Kubáň P. Capillary electrophoresis of small ions and molecules in less conventional human body fluid samples: A review. Anal Chim Acta 2019; 1075:1-26. [PMID: 31196414 DOI: 10.1016/j.aca.2019.05.004] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2019] [Revised: 05/02/2019] [Accepted: 05/03/2019] [Indexed: 01/05/2023]
Abstract
In recent years, advances in sensitive analytical techniques have encouraged the analysis of various compounds in biological fluids. While blood serum, blood plasma and urine still remain the golden standards in clinical, toxicological and forensic science, analyses of other body fluids, such as breast milk, exhaled breath condensate, sweat, saliva, amniotic fluid, cerebrospinal fluid, or capillary blood in form of dried blood spots are becoming more popular. This review article focuses on capillary electrophoresis and microchip electrophoresis of small ions and molecules (e.g. inorganic cations/anions, basic/acidic drugs, small acids/bases, amino acids, peptides and other low molecular weight analytes) in various less conventional human body fluids and hopes to stimulate further interest in the field.
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Affiliation(s)
- Petr Kubáň
- Institute of Analytical Chemistry of the Czech Academy of Sciences, Veveří 97, CZ-60200, Brno, Czech Republic
| | - Miloš Dvořák
- Institute of Analytical Chemistry of the Czech Academy of Sciences, Veveří 97, CZ-60200, Brno, Czech Republic
| | - Pavel Kubáň
- Institute of Analytical Chemistry of the Czech Academy of Sciences, Veveří 97, CZ-60200, Brno, Czech Republic.
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Bornhorst J, Kipp AP, Haase H, Meyer S, Schwerdtle T. The crux of inept biomarkers for risks and benefits of trace elements. Trends Analyt Chem 2018. [DOI: 10.1016/j.trac.2017.11.007] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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Skalny AV, Simashkova NV, Klyushnik TP, Grabeklis AR, Radysh IV, Skalnaya MG, Nikonorov AA, Tinkov AA. Assessment of serum trace elements and electrolytes in children with childhood and atypical autism. J Trace Elem Med Biol 2017; 43:9-14. [PMID: 27707611 DOI: 10.1016/j.jtemb.2016.09.009] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/12/2016] [Revised: 09/02/2016] [Accepted: 09/28/2016] [Indexed: 11/24/2022]
Abstract
The existing data demonstrate a significant interrelation between ASD and essential and toxic trace elements status of the organism. However, data on trace element homeostasis in particular ASD forms are insufficient. Therefore, the objective of the present study was to assess the level of trace elements and electrolytes in serum of children with childhood and atypical autism. A total of 48 children with ASD (24 with childhood and 24 with atypical autism) and age- and sex-adjusted controls were examined. Serum trace elements and electrolytes were assessed using inductively-coupled plasma mass spectrometry. The obtained data demonstrate that children with ASD unspecified are characterized by significantly lower Ni, Cr, and Se levels as compared to the age- and sex-matched controls. At the same time, significantly decreased serum Ni and Se concentrations were detected in patients with childhood autism. In turn, children with atypical autism were characterized by more variable serum trace element spectrum. In particular, atypical autism is associated with lower serum Al, As, Ni, Cr, Mn, and Se levels in comparison to the control values. Moreover, Al and Mn concentration in this group was also lower than that in childhood autism patients. Generally, the obtained data demonstrate lower levels of both essential and toxic trace elements in atypical autism group, being indicative of profound alteration of trace elements metabolism. However, further detailed metabolic studies are required to reveal critical differences in metabolic pathways being responsible for difference in trace element status and clinical course of the disease.
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Affiliation(s)
- Anatoly V Skalny
- All-Russian Research Institute of Medicinal and Aromatic Plants, Moscow, Russia; Orenburg State University, Orenburg, Russia; Yaroslavl State University, Yaroslavl, Russia; RUDN University, Moscow, Russia.
| | - Natalia V Simashkova
- Scientific Center for Mental Health, Russian Academy of Medical Sciences, Moscow, Russia
| | - Tatiana P Klyushnik
- Scientific Center for Mental Health, Russian Academy of Medical Sciences, Moscow, Russia
| | | | | | | | - Alexandr A Nikonorov
- Orenburg State University, Orenburg, Russia; Orenburg State Medical University, Orenburg, Russia
| | - Alexey A Tinkov
- Orenburg State University, Orenburg, Russia; Yaroslavl State University, Yaroslavl, Russia; RUDN University, Moscow, Russia; Orenburg State Medical University, Orenburg, Russia
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Jiang Y, He MY, Zhang WJ, Luo P, Guo D, Fang X, Xu W. Recent advances of capillary electrophoresis-mass spectrometry instrumentation and methodology. CHINESE CHEM LETT 2017. [DOI: 10.1016/j.cclet.2017.05.008] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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10
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van Thriel C, Quetscher C, Pesch B, Lotz A, Lehnert M, Casjens S, Weiss T, Van Gelder R, Plitzke K, Brüning T, Beste C. Are multitasking abilities impaired in welders exposed to manganese? Translating cognitive neuroscience to neurotoxicology. Arch Toxicol 2017; 91:2865-2877. [DOI: 10.1007/s00204-017-1932-y] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2016] [Accepted: 01/12/2017] [Indexed: 01/03/2023]
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11
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Roles of Zinc Transporters in Cellular Transport of Cadmium and Manganese. Metallomics 2017. [DOI: 10.1007/978-4-431-56463-8_13] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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12
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Michalke B. Capillary Electrophoresis-Inductively Coupled Plasma Mass Spectrometry. Methods Mol Biol 2016; 1483:167-80. [PMID: 27645737 DOI: 10.1007/978-1-4939-6403-1_10] [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: 02/24/2023]
Abstract
During the recent years, capillary electrophoresis (CE) has been fully established as a powerful tool in separation sciences as well as in element speciation. This road of success is based on the rapid analysis time, low sample requirements, high separation efficiency, and low operating costs of CE. Inductively coupled plasma mass spectrometry (ICP-MS) is known for superior detection and multielement capability. Consequently, the combination of both instruments is approved for analysis of complex sample types at low element concentrations which require high detection power. Also the diversity of potential applications brings CE-ICP-MS coupling into central focus of element speciation. The key to successful combination of ICP-MS as an (multi-)element selective detector for CE is the availability of a suitable and effective interface.Therefore, this chapter summarizes the most important and basic principles about coupling of capillary electrophoresis to ICP-MS. Specifically, the major requirements for interfacing are described and technical solutions are given. Such solutions include the closing of the electrical circuit from CE at the nebulization, the adoption of flow rates for efficient nebulization, the reduction of a suction flow through the capillary, caused by the nebulizer, and maintaining the high separation resolution from CE across the interface for ICP-MS detection. Additionally, detailed information is presented to determine and quantify the siphoning suction through the CE capillary by the nebulizer. Finally, two applications, namely, the manganese and selenium speciation in cerebrospinal fluid are shown as examples, providing the relevant operational parameter.
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Affiliation(s)
- Bernhard Michalke
- Research Unit Analytical BioGeoChemistry, Helmholtz Center Munich-German Research Center for Environmental Health GmbH, Ingolstädter Landstr. 1, Neuherberg, D-85764, Germany.
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Sonet J, Bulteau AL, Chavatte L, García-Barrera T, Gómez-Ariza JL, Callejón-Leblic B, Nischwitz V, Theiner S, Galvez L, Koellensperger G, Keppler BK, Roman M, Barbante C, Neth K, Bornhorst J, Michalke B. Biomedical and Pharmaceutical Applications. Metallomics 2016. [DOI: 10.1002/9783527694907.ch13] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- Jordan Sonet
- Centre National de Recherche Scientifique (CNRS)/Université de Pau et des Pays de l'Adour (UPPA), Unité Mixte de Recherche (UMR) 5254; Institut Pluridisciplinaire de Recherche sur l'Environnement et les Matériaux (IPREM), Laboratoire de Chimie Analytique Bio-Inorganique et Environnement (LCABIE); Technopôle Hélioparc Pau Pyrénées, 2 Avenue du Président Pierre Angot 64000 Pau France
| | - Anne-Laure Bulteau
- Centre National de Recherche Scientifique (CNRS)/Université de Pau et des Pays de l'Adour (UPPA), Unité Mixte de Recherche (UMR) 5254; Institut Pluridisciplinaire de Recherche sur l'Environnement et les Matériaux (IPREM), Laboratoire de Chimie Analytique Bio-Inorganique et Environnement (LCABIE); Technopôle Hélioparc Pau Pyrénées, 2 Avenue du Président Pierre Angot 64000 Pau France
| | - Laurent Chavatte
- Centre National de Recherche Scientifique (CNRS)/Université de Pau et des Pays de l'Adour (UPPA), Unité Mixte de Recherche (UMR) 5254; Institut Pluridisciplinaire de Recherche sur l'Environnement et les Matériaux (IPREM), Laboratoire de Chimie Analytique Bio-Inorganique et Environnement (LCABIE); Technopôle Hélioparc Pau Pyrénées, 2 Avenue du Président Pierre Angot 64000 Pau France
| | - Tamara García-Barrera
- University of Huelva; Department of Chemistry, Campus El Carmen; Fuerzas Armadas Ave 21007 Huelva Spain
| | - José Luis Gómez-Ariza
- University of Huelva, Research Center of Health and Environment (CYSMA); Campus El Carmen; Fuerzas Armadas Ave 21007 Huelva Spain
| | - Belén Callejón-Leblic
- University of Huelva; Department of Chemistry, Campus El Carmen; Fuerzas Armadas Ave 21007 Huelva Spain
| | - Volker Nischwitz
- Forschungszentrum Jülich; Central Institute for Engineering, Electronics and Analytics; Analytics (ZEA-3), Wilhelm-Johnen-Straße 52428 Jülich Germany
| | - Sarah Theiner
- University of Vienna; Department of Inorganic Chemistry; Waehringer Strasse 42 1090 Vienna Austria
| | - Luis Galvez
- University of Vienna, Research Platform ‘Translational Cancer Therapy Research’; Waehringer Strasse 42 1090 Vienna Austria
| | - Gunda Koellensperger
- University of Vienna, Department of Analytical Chemistry; Waehringer Strasse 38 1090 Vienna Austria
| | - Bernhard K. Keppler
- University of Vienna; Department of Inorganic Chemistry; Waehringer Strasse 42 1090 Vienna Austria
| | - Marco Roman
- Ca' Foscari University of Venice; Department of Environmental Sciences, Informatics and Statistics (DAIS); Via Torino 155 30172 Venice Italy
| | - Carlo Barbante
- National Research Council; Institute for the Dynamics of Environmental Processes (IDPA-CNR); Via Torino 155 30172 Venice Italy
| | - Katharina Neth
- Helmholtz Center Munich, German Research Center for Environmental Health GmbH; Research Unit: Analytical BioGeoChemistry; Ingolstädter Landstraße 1 85764 Neuherberg Germany
| | - Julia Bornhorst
- University of Potsdam; Department of Food Chemistry, Institute of Nutritional Science; Arthur-Scheunert-Allee 114-116 14558 Nuthetal Germany
| | - Bernhard Michalke
- Helmholtz Center Munich, German Research Center for Environmental Health GmbH; Research Unit: Analytical BioGeoChemistry; Ingolstädter Landstraße 1 85764 Neuherberg Germany
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Michalke B. Review about the manganese speciation project related to neurodegeneration: An analytical chemistry approach to increase the knowledge about manganese related parkinsonian symptoms. J Trace Elem Med Biol 2016; 37:50-61. [PMID: 27006066 DOI: 10.1016/j.jtemb.2016.03.002] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/18/2016] [Revised: 03/03/2016] [Accepted: 03/06/2016] [Indexed: 12/20/2022]
Abstract
Neurodegenerative diseases get a growing relevance for societies. But yet the complex multi-factorial mechanisms of these diseases are not fully understood, although it is well accepted that metal ions may play a crucial role. Manganese (Mn) is a transition metal which has essential biochemical functions but from occupational exposure scenarios it appeared that Mn can cause severe neurological damage. This "two-faces"-nature of manganese initiated us to start a project on Mn-speciation, since different element species are known to exhibit different impacts on health. A summary about the step-wise developments and findings from our working group was presented during the annual conference of the German trace element society in 2015. This paper summarizes now the contribution to this conference. It is intended to provide a complete picture of the so far evolved puzzle from our studies regarding manganese, manganese speciation and metabolomics as well as Mn-related mechanisms of neural damage. Doing so, the results of the single studies are now summarized in a connected way and thus their interrelationships are demonstrated. In short terms, we found that Mn-exposure leads to an increase of low molecular weight Mn compounds, above all Mn-citrate complex, which gets even enriched across neural barriers (NB). At a Mn serum concentration between 1.5 and 1.9μg/L a carrier switch from Mn-transferrin to Mn-citrate was observed. We concluded that the Mn-citrate complex is that important Mn-carrier to NB which can be found also beyond NB in human cerebrospinal fluid (CSF) or brain of exposed rats. In brain of Mn-exposed rats manganese leads to a decreased iron (Fe) concentration, to a shift from Fe(III) to Fe(II) after long term exposure and thus to a shift toward oxidative stress. This was additionally supported by an increase of markers for oxidative stress, inflammation or lipid peroxidation at increased Mn concentration in brain extracts. Furthermore, glutamate and acetylcholineesterase were elevated and many metabolite concentrations were significantly changed.
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Affiliation(s)
- Bernhard Michalke
- Helmholtz Zentrum München-Deutsches Forschungszentrum für Gesundheit und Umwelt, Research Unit Analytical BioGeoChemistry, Ingolstädter Landstr. 1, D-85764 Neuherberg, Germany.
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Grygo-Szymanko E, Tobiasz A, Walas S. Speciation analysis and fractionation of manganese: A review. Trends Analyt Chem 2016. [DOI: 10.1016/j.trac.2015.09.010] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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16
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Máté Z, Horváth E, Kozma G, Simon T, Kónya Z, Paulik E, Papp A, Szabó A. Size-Dependent Toxicity Differences of Intratracheally Instilled Manganese Oxide Nanoparticles: Conclusions of a Subacute Animal Experiment. Biol Trace Elem Res 2016; 171:156-66. [PMID: 26384687 DOI: 10.1007/s12011-015-0508-z] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/15/2015] [Accepted: 09/04/2015] [Indexed: 12/11/2022]
Abstract
Incomplete information on toxicological differences of micro- and nanometer-sized particles raised concerns about the effects of the latter on health and environment. Besides chemical composition, size and surface-to-volume ratio of nanoparticles (NPs) can affect toxicity. To investigate size-dependent toxicity differences, we used particles made of dioxide of the neurotoxic heavy metal manganese (Mn), typically found in inhaled metal fumes, in three size ranges (size A, 9.14 ± 1.98 nm; size B, 42.36 ± 8.06 nm; size C, 118.31 ± 25.37 nm). For modeling the most frequent route of exposure to Mn, NPs were given to rats for 6 weeks by intratracheal instillation. Of each NP size, 3 or 6 mg/kg body weight was given while control animals were vehicle treated. Neurotoxicity was assessed by measuring spontaneous locomotor activity in an open field and by recording spontaneous and evoked electrical activity from the somatosensory cortical area. Mn content of brain, lung, and blood, measured by ICP-MS, were correlated to the observed functional alterations to see the relationship between Mn load and toxic effects. Body weight gain and organ weights were measured as general toxicological indices. The toxicity of size A and size B NPs proved to be stronger compared to size C NPs, seen most clearly in decreased body weight gain and altered spontaneous cortical activity, which were also well correlated to the internal Mn dose. Our results showed strong effect of size on NP toxicity, thus, beyond inappropriateness of toxicity data of micrometer-sized particles in evaluation of NP exposure, differentiation within the nano range may be necessary.
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Affiliation(s)
- Zsuzsanna Máté
- Department of Public Health, University of Szeged Faculty of Medicine, 6720, Szeged, Dóm tér 10., Hungary.
| | - Edina Horváth
- Department of Public Health, University of Szeged Faculty of Medicine, 6720, Szeged, Dóm tér 10., Hungary
| | - Gábor Kozma
- Department of Applied and Environmental Chemistry, University of Szeged Faculty of Science and Informatics, Szeged, Hungary
| | - Tímea Simon
- Department of Applied and Environmental Chemistry, University of Szeged Faculty of Science and Informatics, Szeged, Hungary
| | - Zoltán Kónya
- Department of Applied and Environmental Chemistry, University of Szeged Faculty of Science and Informatics, Szeged, Hungary
| | - Edit Paulik
- Department of Public Health, University of Szeged Faculty of Medicine, 6720, Szeged, Dóm tér 10., Hungary
| | - András Papp
- Department of Public Health, University of Szeged Faculty of Medicine, 6720, Szeged, Dóm tér 10., Hungary
| | - Andrea Szabó
- Department of Public Health, University of Szeged Faculty of Medicine, 6720, Szeged, Dóm tér 10., Hungary
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17
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Michalke B, Aslanoglou L, Ochsenkühn-Petropoulou M, Bergström B, Berthele A, Vinceti M, Lucio M, Lidén G. An approach for manganese biomonitoring using a manganese carrier switch in serum from transferrin to citrate at slightly elevated manganese concentration. J Trace Elem Med Biol 2015; 32:145-54. [PMID: 26302922 DOI: 10.1016/j.jtemb.2015.07.006] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/27/2015] [Revised: 07/07/2015] [Accepted: 07/08/2015] [Indexed: 12/13/2022]
Abstract
After high-dose-short-term exposure (usually from occupational exposure) and even more under low-dose long term exposure (mainly environmental) manganese (Mn) biomonitoring is still problematic since these exposure scenarios are not necessarily reflected by a significant increase of total Mn in blood or serum. Usually, Mn concentrations of exposed and unexposed persons overlap and individual differentiation is often not possible. In this paper Mn speciation on a large sample size (n=180) was used in order to be able to differentiate between highly Mn-exposed or low or unexposed individuals at low total Mn concentration in serum (Mn(S)). The whole sample set consisted of three subsets from Munich, Emilia Romagna region in Italy and from Sweden. It turned out that also at low total Mn(S) concentrations a change in major Mn carriers in serum takes place from Mn-transferrin (Mn-Tf(S)) towards Mn-citrate (Mn-Cit(S)) with high statistical significance (p<0.000002). This carrier switch from Mn-Tf(S) to Mn-Cit(S) was observed between Mn(S) concentrations of 1.5μg/L to ca. 1.7μg/L. Parallel to this carrier change, for sample donors from Munich where serum and cerebrospinal fluid were available, the concentration of Mn beyond neural barriers - analysed as Mn in cerebrospinal fluid (Mn(C)) - positively correlates to Mn-Cit(S) when Mn(S) concentration was above 1.7μg/L. The correlation between Mn-Cit(S) and Mn(C) reflects the facilitated Mn transport through neural barrier by means of Mn-citrate. Regional differences in switch points from Mn-Tf(S) to Mn-Cit(S) were observed for the three sample subsets. It is currently unknown whether these differences are due to differences in location, occupation, health status or other aspects. Based on our results, Mn-Cit(S) determination was considered as a potential means for estimating the Mn load in brain and CSF, i.e., it could be used as a biomarker for Mn beyond neural barrier. For a simpler Mn-Cit(S) determination than size exclusion chromatography inductively coupled plasma mass spectrometry (SEC-ICP-MS), ultrafiltration (UF) of serum samples was tested for suitability, the latter possibly being a preferred choice for routine occupational medicine laboratories. Our results revealed that UF could be an alternative if methodical prerequisites and limitations are carefully considered. These prerequisites were determined to be a thorough cleaning procedure at a minimum Mn(S) concentration >1.5μg/L, as at lower concentrations a wide scattering of the measured concentrations in comparison to the standardized SEC-ICP-MS results were observed.
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Affiliation(s)
- B Michalke
- Research Unit Analytical BioGeoChemistry, Helmholtz Center Munich - German Research Center for Environmental Health GmbH, 85764 Neuherberg, Germany.
| | - L Aslanoglou
- Research Unit Analytical BioGeoChemistry, Helmholtz Center Munich - German Research Center for Environmental Health GmbH, 85764 Neuherberg, Germany; School of Chemical Engineering, Laboratory of Inorganic and Analytical Chemistry, National Technical University of Athens, Greece
| | - M Ochsenkühn-Petropoulou
- School of Chemical Engineering, Laboratory of Inorganic and Analytical Chemistry, National Technical University of Athens, Greece
| | - B Bergström
- Örebro University Hospital, Department of Occupational and Environmental Medicine, SE-70185 Örebro, Sweden
| | - A Berthele
- Department of Neurology, Klinikum rechts der Isar, Technische Universität München, 81675 Munich, Germany
| | - M Vinceti
- CREAGEN - Environmental, Genetic and Nutritional Epidemiology Research Center, University of Modena and Reggio Emilia, Modena, Italy
| | - M Lucio
- Research Unit Analytical BioGeoChemistry, Helmholtz Center Munich - German Research Center for Environmental Health GmbH, 85764 Neuherberg, Germany
| | - G Lidén
- Department of Analytical Chemistry and Environmental Science, Atmospheric Science Unit, Stockholm University, SE-106 90 Stockholm, Sweden
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18
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Hernández RB, Nishita MI, Espósito BP, Scholz S, Michalke B. The role of chemical speciation, chemical fractionation and calcium disruption in manganese-induced developmental toxicity in zebrafish (Danio rerio) embryos. J Trace Elem Med Biol 2015; 32:209-17. [PMID: 26302931 DOI: 10.1016/j.jtemb.2015.07.004] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/02/2015] [Revised: 05/03/2015] [Accepted: 07/06/2015] [Indexed: 11/30/2022]
Abstract
Manganese (Mn) is an essential nutrient that can be toxic in excess concentrations, especially during early development stages. The mechanisms of Mn toxicity is still unclear, and little information is available regarding the role of Mn speciation and fractionation in toxicology. We aimed to investigate the toxic effects of several chemical forms of Mn in embryos of Danio rerio exposed during different development stages, between 2 and 122h post fertilization. We found a stage-specific increase of lethality associated with hatching and removal of the chorion. Mn(II), ([Mn(H2O)6](2+)) appeared to be the most toxic species to embryos exposed for 48h, and Mn(II) citrate was most toxic to embryos exposed for 72 and/or 120h. Manganese toxicity was associated with calcium disruption, manganese speciation and metal fractionation, including bioaccumulation in tissue, granule fractions, organelles and denaturated proteins.
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Affiliation(s)
- R B Hernández
- Federal University of São Paulo - Unifesp Campus Diadema, Deparment of Exact and Earth Sciences, Laboratory of Bioinorganic and Environmental Toxicology - LABITA, Rua Prof. Artur Riedel, 275, CEP: 09972-270, Diadema, SP, Brazil.
| | - M I Nishita
- Federal University of São Paulo - Unifesp Campus Diadema, Deparment of Exact and Earth Sciences, Laboratory of Bioinorganic and Environmental Toxicology - LABITA, Rua Prof. Artur Riedel, 275, CEP: 09972-270, Diadema, SP, Brazil
| | - B P Espósito
- University of São Paulo, Institute of Chemistry, Av. Lineu Prestes 748, CEP: 05508-000, São Paulo, SP, Brazil
| | - S Scholz
- Helmholtz Centre for Environmental Research - UFZ, Department of Bioanalytical Ecotoxicology, Permoserstr. 15, 04318 Leipzig, Germany
| | - B Michalke
- Research Unit Analytical BioGeoChemistry, Helmholtz Center Munich - German Research Center for Environmental Health GmbH, Ingolstädter Landstr. 1, D-85764 Neuherberg, Germany
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19
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Neth K, Lucio M, Walker A, Zorn J, Schmitt-Kopplin P, Michalke B. Changes in Brain Metallome/Metabolome Pattern due to a Single i.v. Injection of Manganese in Rats. PLoS One 2015; 10:e0138270. [PMID: 26383269 PMCID: PMC4575095 DOI: 10.1371/journal.pone.0138270] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2015] [Accepted: 08/27/2015] [Indexed: 12/20/2022] Open
Abstract
Exposure to high concentrations of Manganese (Mn) is known to potentially induce an accumulation in the brain, leading to a Parkinson related disease, called manganism. Versatile mechanisms of Mn-induced brain injury are discussed, with inactivation of mitochondrial defense against oxidative stress being a major one. So far, studies indicate that the main Mn-species entering the brain are low molecular mass (LMM) compounds such as Mn-citrate. Applying a single low dose MnCl2 injection in rats, we observed alterations in Mn-species pattern within the brain by analysis of aqueous brain extracts by size-exclusion chromatography—inductively coupled plasma mass spectrometry (SEC-ICP-MS). Additionally, electrospray ionization—ion cyclotron resonance-Fourier transform-mass spectrometry (ESI-ICR/FT-MS) measurement of methanolic brain extracts revealed a comprehensive analysis of changes in brain metabolisms after the single MnCl2 injection. Major alterations were observed for amino acid, fatty acid, glutathione, glucose and purine/pyrimidine metabolism. The power of this metabolomic approach is the broad and detailed overview of affected brain metabolisms. We also correlated results from the metallomic investigations (Mn concentrations and Mn-species in brain) with the findings from metabolomics. This strategy might help to unravel the role of different Mn-species during Mn-induced alterations in brain metabolism.
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Affiliation(s)
- Katharina Neth
- Research Unit Analytical BioGeoChemistry, Helmholtz Zentrum München—German Research Center for Environment and Health (GmbH), Ingolstädter Landstrasse 1, D-85764, Neuherberg, Germany
- * E-mail:
| | - Marianna Lucio
- Research Unit Analytical BioGeoChemistry, Helmholtz Zentrum München—German Research Center for Environment and Health (GmbH), Ingolstädter Landstrasse 1, D-85764, Neuherberg, Germany
| | - Alesia Walker
- Research Unit Analytical BioGeoChemistry, Helmholtz Zentrum München—German Research Center for Environment and Health (GmbH), Ingolstädter Landstrasse 1, D-85764, Neuherberg, Germany
| | - Julia Zorn
- Research Unit Comparative Medicine, Helmholtz Zentrum München—German Research Center for Environment and Health (GmbH), Ingolstädter Landstrasse 1, D-85764, Neuherberg, Germany
| | - Philippe Schmitt-Kopplin
- Research Unit Analytical BioGeoChemistry, Helmholtz Zentrum München—German Research Center for Environment and Health (GmbH), Ingolstädter Landstrasse 1, D-85764, Neuherberg, Germany
- Chair of Analytical Food Chemistry, Technische Universität München, Alte Akademie 10, D- 85354, Freising-Weihenstephan, Germany
| | - Bernhard Michalke
- Research Unit Analytical BioGeoChemistry, Helmholtz Zentrum München—German Research Center for Environment and Health (GmbH), Ingolstädter Landstrasse 1, D-85764, Neuherberg, Germany
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20
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Neth K, Lucio M, Walker A, Kanawati B, Zorn J, Schmitt-Kopplin P, Michalke B. Diverse Serum Manganese Species Affect Brain Metabolites Depending on Exposure Conditions. Chem Res Toxicol 2015; 28:1434-42. [PMID: 26024413 DOI: 10.1021/acs.chemrestox.5b00104] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
Occupational and environmental exposure to increased concentrations of manganese (Mn) can lead to an accumulation of this element in the brain. The consequence is an irreversible damage of dopaminergic neurons leading to a disease called manganism with a clinical presentation similar to the one observed in Parkinson's disease. Human as well as animal studies indicate that Mn is mainly bound to low molecular mass (LMM) compounds such as Mn-citrate when crossing neural barriers. The shift toward LMM compounds might already take place in serum due to elevated Mn concentrations in the body. In this study, we investigated Mn-species pattern in serum in two different animal models by size exclusion chromatography-inductively coupled plasma mass spectrometry (SEC-ICP-MS). A subchronic feeding of rats with elevated levels of Mn led to an increase in LMM compounds, mainly Mn-citrate and Mn bound to amino acids. In addition, a single i.v. injection of Mn showed an increase in Mn-transferrin and Mn bound to amino acids 1 h after injection, while species values were more or less rebalanced 4 days after the injection. Results from Mn-speciation were correlated to the brain metabolome determined by means of electrospray ionization ion cyclotron resonance Fourier transform mass spectrometry (ESI-ICR/FT-MS). The powerful combination of Mn-speciation in serum with metabolomics of the brain underlined the need for Mn-speciation in exposure scenarios instead of the determination of whole Mn concentrations in blood. The progress of Mn-induced neuronal injury might therefore be assessed on the basis of known serum Mn-species.
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Affiliation(s)
| | | | | | | | | | - Philippe Schmitt-Kopplin
- §Technische Universität München, Chair of Analytical Food Chemistry, Alte Akademie 10, D-85354 Freising, Germany
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21
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Dusek P, Roos PM, Litwin T, Schneider SA, Flaten TP, Aaseth J. The neurotoxicity of iron, copper and manganese in Parkinson's and Wilson's diseases. J Trace Elem Med Biol 2015; 31:193-203. [PMID: 24954801 DOI: 10.1016/j.jtemb.2014.05.007] [Citation(s) in RCA: 155] [Impact Index Per Article: 17.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/31/2014] [Revised: 05/05/2014] [Accepted: 05/22/2014] [Indexed: 12/14/2022]
Abstract
Impaired cellular homeostasis of metals, particularly of Cu, Fe and Mn may trigger neurodegeneration through various mechanisms, notably induction of oxidative stress, promotion of α-synuclein aggregation and fibril formation, activation of microglial cells leading to inflammation and impaired production of metalloproteins. In this article we review available studies concerning Fe, Cu and Mn in Parkinson's disease and Wilson's disease. In Parkinson's disease local dysregulation of iron metabolism in the substantia nigra (SN) seems to be related to neurodegeneration with an increase in SN iron concentration, accompanied by decreased SN Cu and ceruloplasmin concentrations and increased free Cu concentrations and decreased ferroxidase activity in the cerebrospinal fluid. Available data in Wilson's disease suggest that substantial increases in CNS Cu concentrations persist for a long time during chelating treatment and that local accumulation of Fe in certain brain nuclei may occur during the course of the disease. Consequences for chelating treatment strategies are discussed.
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Affiliation(s)
- Petr Dusek
- Department of Neurology and Center of Clinical Neuroscience, Charles University in Prague, 1st Faculty of Medicine and General University Hospital in Prague, Czech Republic; Institute of Neuroradiology, University Medicine Göttingen, Göttingen, Germany.
| | - Per M Roos
- Department of Neurology, Division of Clinical Neurophysiology, Oslo University Hospital, Oslo, Norway; Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Tomasz Litwin
- 2nd Department of Neurology, Institute of Psychiatry and Neurology, Warsaw, Poland
| | | | - Trond Peder Flaten
- Department of Chemistry, Norwegian University of Science and Technology, Trondheim, Norway
| | - Jan Aaseth
- Department of Medicine, Innlandet Hospital Trust, Kongsvinger Hospital Division, Kongsvinger, Norway
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22
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Klepárník K. Recent advances in combination of capillary electrophoresis with mass spectrometry: Methodology and theory. Electrophoresis 2014; 36:159-78. [DOI: 10.1002/elps.201400392] [Citation(s) in RCA: 84] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2014] [Revised: 09/11/2014] [Accepted: 09/11/2014] [Indexed: 12/15/2022]
Affiliation(s)
- Karel Klepárník
- Institute of Analytical Chemistry; Academy of Sciences of the Czech Republic; Brno Czech Republic
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23
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Bolea-Fernandez E, Balcaen L, Resano M, Vanhaecke F. Potential of methyl fluoride as a universal reaction gas to overcome spectral interference in the determination of ultratrace concentrations of metals in biofluids using inductively coupled plasma-tandem mass spectrometry. Anal Chem 2014; 86:7969-77. [PMID: 25062450 DOI: 10.1021/ac502023h] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Methyl fluoride (a mixture of 10% CH3F and 90% of He) was evaluated as a reaction gas in inductively coupled plasma-tandem mass spectrometry (ICPMS/MS) in the context of the determination of ultratrace concentrations of medically relevant metals (Al, Co, Cr, Mn, Ni, Ti, and V) in blood serum and urine. Via product ion scanning, whereby only ions of the mass-to-charge ratio of the target nuclide were admitted into the octopole reaction cell, the various reaction product ions formed for each of the target elements were identified at different CH3F gas flow rates. Limits of detection (LODs) and of quantification (LOQs) and linearity of the calibration curve were documented under (i) optimized ICPMS/MS conditions for single-element monitoring and (ii) compromise conditions, allowing for multielement determination. Even under compromise settings, instrumental LODs were below 10 ng/L for all target elements, while the use of CH3F provided interference-free conditions for their determination in the biofluids of interest. Quantitative data obtained for Seronorm blood serum and urine reference materials were in excellent agreement with the corresponding reference values and/or results obtained using double-focusing sector-field ICPMS (for those elements for which no certified values were available or that were affected during reconstitution), proving the potential of this reaction gas for multielement ultratrace analysis via ICPMS/MS.
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Affiliation(s)
- Eduardo Bolea-Fernandez
- Ghent University , Department of Analytical Chemistry, Krijgslaan 281-S12, 9000 Ghent, Belgium
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24
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Michalke B, Fernsebner K. New insights into manganese toxicity and speciation. J Trace Elem Med Biol 2014; 28:106-116. [PMID: 24200516 DOI: 10.1016/j.jtemb.2013.08.005] [Citation(s) in RCA: 96] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/08/2013] [Revised: 08/28/2013] [Accepted: 08/30/2013] [Indexed: 11/16/2022]
Abstract
Manganese (Mn) is known to be a neurotoxic agent for nearly 175 years now. A lot of research has therefore been carried out over the last century. From preliminary describing only symptoms of Mn-(over)exposed workers, research was preceded to more detail on toxic mechanisms of Mn. Unraveling those neurotoxic mechanisms implicated a number of studies, which were summarized partly in several reviews (e.g. Yokel RA. Neuromol Med 2009;11(4):297-310; Aschner M, et al. Toxicology Appl Pharmacol 2007;221(2):131-47; Michalke B, et al. J Environ Monit 2007;9(7):650). Since our recent review on Mn-speciation in 2007 (Michalke B, et al. J Environ Monit 2007;9(7):650), Mn-research was considerably pushed forward and several new research articles were published. The very recent years though, Mn toxicity investigating science is spreading into different fields with very detailed and complex study designs. Especially the mechanisms of Mn-induced neuronal injury on cellular and molecular level was investigated in more detail, discussing neurotransmitter and enzyme interactions, mechanisms of action on DNA level and even inclusion of genetic influences. Depicting the particular Mn-species was also a big issue to determine which molecule is transporting Mn at the cell membranes and which one is responsible for the injury of neuronal tissue. Other special foci on epidemiologic studies were becoming more and more important: These foci were directed toward environmental influences of Mn on especially Parkinson disease prevalence and the ability to carry out follow-up studies about Mn-life-span exposure. All these very far-reaching research applications may finally lead to a suitable future human Mn-biomonitoring for being able to prevent or at least detect the early onset of manganism at the right time.
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Affiliation(s)
- Bernhard Michalke
- Research Unit Analytical BioGeoChemistry, Helmholtz Zentrum München - German Research Center for Environmental Health (GmbH), Ingolstädter Landstr. 1, D-85764 Neuherberg, Germany.
| | - Katharina Fernsebner
- Research Unit Analytical BioGeoChemistry, Helmholtz Zentrum München - German Research Center for Environmental Health (GmbH), Ingolstädter Landstr. 1, D-85764 Neuherberg, Germany
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