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Dragun Z, Ivanković D, Krasnići N, Kiralj Z, Cvitanović M, Karamatić I, Valić D, Barac F, Filipović Marijić V, Mijošek T, Gjurčević E, Matanović K, Kužir S. Metal-binding biomolecules in the liver of northern pike (Esox lucius Linnaeus, 1758): The first data for the family Esocidae. Comp Biochem Physiol C Toxicol Pharmacol 2022; 257:109327. [PMID: 35276358 DOI: 10.1016/j.cbpc.2022.109327] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/19/2022] [Revised: 02/26/2022] [Accepted: 03/06/2022] [Indexed: 11/28/2022]
Abstract
Metal-handling strategies of various fish species are known to vary significantly in association with their intracellular metal behaviour. Thus, to better understand the possible consequences of increased metal exposure in fish it is important to perform comparative studies on metal-binding biomolecules in organs of different species. This study was the first of this kind on a liver of an esocid fish (northern pike, Esox lucius), and the gathered information were compared to fish belonging to three other families, Leuciscidae, Cyprinidae and Salmonidae. Distributions of ten elements among cytosolic biomolecules of different molecular masses were studied by size exclusion HPLC combined offline with high resolution ICP-MS. The results indicated predominant association of Co, Fe and Mo to high molecular mass biomolecules (>100 kDa), of Zn and Bi to both high and medium molecular mass biomolecules (>30 kDa), of Mn and Se to medium molecular mass biomolecules (30-100 kDa), and Ag, Cd and Cu to low molecular mass biomolecules (10-30 kDa), presumably metallothioneins. Evident binding to metallothioneins was also detected for Zn and Bi. For several metals, distinct differences were observed when cytosolic metal distributions of northern pike were compared to leuciscids, salmonids and cyprinids. More pronounced Zn binding to metallothioneins was recorded in leuciscids and cyprinids than both esocids and salmonids, whereas cytosolic Mn and Se distributions clearly differed between all studied fish families. Accordingly, in assessment of metal pollution it is vital to consider the exposed species, which requires prior comprehensive comparative research on numerous aquatic organisms.
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Affiliation(s)
- Zrinka Dragun
- Ruđer Bošković Institute, Division for Marine and Environmental Research, Laboratory for Biological Effects of Metals, Bijenička c. 54, Zagreb, Croatia.
| | - Dušica Ivanković
- Ruđer Bošković Institute, Division for Marine and Environmental Research, Laboratory for Biological Effects of Metals, Bijenička c. 54, Zagreb, Croatia.
| | - Nesrete Krasnići
- Ruđer Bošković Institute, Division for Marine and Environmental Research, Laboratory for Biological Effects of Metals, Bijenička c. 54, Zagreb, Croatia
| | - Zoran Kiralj
- Ruđer Bošković Institute, Division for Marine and Environmental Research, Laboratory for Biological Effects of Metals, Bijenička c. 54, Zagreb, Croatia
| | - Marita Cvitanović
- Faculty of Science, Department of Biology, University of Zagreb, Rooseveltov trg 6, Zagreb, Croatia
| | - Ivana Karamatić
- Ruđer Bošković Institute, Division for Marine and Environmental Research, Laboratory for Biological Effects of Metals, Bijenička c. 54, Zagreb, Croatia
| | - Damir Valić
- Ruđer Bošković Institute, Division for Marine and Environmental Research, Laboratory for Biological Effects of Metals, Bijenička c. 54, Zagreb, Croatia
| | - Fran Barac
- Ruđer Bošković Institute, Division for Marine and Environmental Research, Laboratory for Biological Effects of Metals, Bijenička c. 54, Zagreb, Croatia
| | - Vlatka Filipović Marijić
- Ruđer Bošković Institute, Division for Marine and Environmental Research, Laboratory for Biological Effects of Metals, Bijenička c. 54, Zagreb, Croatia
| | - Tatjana Mijošek
- Ruđer Bošković Institute, Division for Marine and Environmental Research, Laboratory for Biological Effects of Metals, Bijenička c. 54, Zagreb, Croatia
| | - Emil Gjurčević
- Faculty of Veterinary Medicine, University of Zagreb, Heinzelova 55, Zagreb, Croatia
| | - Krešimir Matanović
- Faculty of Veterinary Medicine, University of Zagreb, Heinzelova 55, Zagreb, Croatia
| | - Snježana Kužir
- Faculty of Veterinary Medicine, University of Zagreb, Heinzelova 55, Zagreb, Croatia
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Mijošek T, Filipović Marijić V, Dragun Z, Krasnići N, Ivanković D, Redžović Z, Erk M. First insight in trace element distribution in the intestinal cytosol of two freshwater fish species challenged with moderate environmental contamination. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 798:149274. [PMID: 34375239 DOI: 10.1016/j.scitotenv.2021.149274] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/09/2021] [Revised: 07/09/2021] [Accepted: 07/22/2021] [Indexed: 06/13/2023]
Abstract
Cytosolic distribution of six essential elements and nonessential Cd among biomolecules of different molecular masses was investigated in the intestine of brown trout (Salmo trutta) from the karst Krka River and Prussian carp (Carassius gibelio) from the lowland Ilova River. Fish were sampled at two locations (reference and contaminated) and in two seasons (autumn and spring). Analyses were conducted by size exclusion high performance liquid chromatography and high resolution inductively coupled plasma mass spectrometry. Although studied salmonid and cyprinid fish have different biological characteristics, obtained profiles often showed mostly similar patterns in both species. Specifically, Cd and Cu were dominantly bound to metallothioneins in both species, but the same association was not observed for Zn, whereas Mo distribution was similar in the intestine of both fish species with two well shaped and clear peaks in HMM (100-400 kDa) and VLMM (2-8 kDa) range. In brown trout, Se was mostly associated with biomolecules of very low molecular masses (VLMM, <10 kDa), whereas significant additional elution in HMM region (30-303 kDa) was observed only in Prussian carp. Iron binding to VLMM biomolecules (1.8-14 kDa) was observed only in brown trouts, and of Zn in Prussian carps. Cobalt was mostly bound to HMM biomolecules (85-235 kDa) in brown trout and to VLMM biomolecules (0.7-18 kDa) in Prussian carp. Comparison of intestinal profiles with previously published data on liver and gills revealed some similarities in distribution, but also organ-specific differences due to the different function and composition of each organ. As so far there is no published data on intestinal trace metal distribution, the obtained results represent the novel findings, and the key point for the exact identification of specific metal-binding biomolecules which could eventually be used as biomarkers of metal exposure or effects.
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Affiliation(s)
- Tatjana Mijošek
- Ruđer Bošković Institute, Division for Marine and Environmental Research, Laboratory for Biological Effects of Metals, Bijenička cesta 54, 10000 Zagreb, Croatia.
| | - Vlatka Filipović Marijić
- Ruđer Bošković Institute, Division for Marine and Environmental Research, Laboratory for Biological Effects of Metals, Bijenička cesta 54, 10000 Zagreb, Croatia.
| | - Zrinka Dragun
- Ruđer Bošković Institute, Division for Marine and Environmental Research, Laboratory for Biological Effects of Metals, Bijenička cesta 54, 10000 Zagreb, Croatia.
| | - Nesrete Krasnići
- Ruđer Bošković Institute, Division for Marine and Environmental Research, Laboratory for Biological Effects of Metals, Bijenička cesta 54, 10000 Zagreb, Croatia.
| | - Dušica Ivanković
- Ruđer Bošković Institute, Division for Marine and Environmental Research, Laboratory for Biological Effects of Metals, Bijenička cesta 54, 10000 Zagreb, Croatia.
| | - Zuzana Redžović
- Ruđer Bošković Institute, Division for Marine and Environmental Research, Laboratory for Biological Effects of Metals, Bijenička cesta 54, 10000 Zagreb, Croatia.
| | - Marijana Erk
- Ruđer Bošković Institute, Division for Marine and Environmental Research, Laboratory for Biological Effects of Metals, Bijenička cesta 54, 10000 Zagreb, Croatia.
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Dragun Z, Krasnići N, Ivanković D, Filipović Marijić V, Mijošek T, Redžović Z, Erk M. Comparison of intracellular trace element distributions in the liver and gills of the invasive freshwater fish species, Prussian carp (Carassius gibelio Bloch, 1782). THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 730:138923. [PMID: 32388370 DOI: 10.1016/j.scitotenv.2020.138923] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/19/2020] [Revised: 04/18/2020] [Accepted: 04/21/2020] [Indexed: 06/11/2023]
Abstract
Prussian carp (Carassius gibelio) is an invasive freshwater fish known for its high tolerance to aquatic pollution. Our aim was to try to clarify its tolerance to increased exposure to metals/nonmetals, by determining their cytosolic distributions among peptides/proteins of different molecular masses (MM), which form a part of the fish protective mechanisms. The applied approach consisted of fractionation of gill and hepatic cytosols of Prussian carp from the Croatian river Ilova by size-exclusion high performance liquid chromatography, whereas Cd, Cu, Zn, Fe, Mo, and Se analyses were done by high resolution inductively coupled plasma mass spectrometry. The results indicated high detoxification of Cd by its binding to metallothioneins (MTs) in both fish organs. In addition, binding to MTs was observed for Cu in both organs and for Zn in the liver, whereas clear Zn binding to MTs in the gills was not recorded. Zinc in the gills was predominantly bound to proteins of higher MM (50-250 kDa) and to biomolecules of MM below 2 kDa. Predominant Fe binding to proteins of MM of ~400 kDa (presumably storage protein ferritin) was observed in the liver, whereas in the gills Fe was mainly associated to proteins of MM of ~15-65 kDa (presumably hemoglobin oligomers). Maximum Mo and Se elutions in the liver were noted at 235 kDa and 141 kDa, respectively, and in the gills below 10 kDa. The striking difference was observed between two organs of Prussian carp, with predominant metal/nonmetal binding to high MM proteins (e.g., enzymes, storage proteins) in the liver, and to very low MM biomolecules (<10 kDa) in the gills (e.g., antioxidants, metallochaperones, nonprotein cofactors). Such metal/nonmetal distributions within the gills, as the first site of defense, as well as association of several metals to MTs, indicated highly developed defense mechanisms in some organs of Prussian carp.
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Affiliation(s)
- Zrinka Dragun
- Ruđer Bošković Institute, Division for Marine and Environmental Research, Laboratory for Biological Effects of Metals, Bijenička c. 54, 10002 Zagreb, Croatia.
| | - Nesrete Krasnići
- Ruđer Bošković Institute, Division for Marine and Environmental Research, Laboratory for Biological Effects of Metals, Bijenička c. 54, 10002 Zagreb, Croatia
| | - Dušica Ivanković
- Ruđer Bošković Institute, Division for Marine and Environmental Research, Laboratory for Biological Effects of Metals, Bijenička c. 54, 10002 Zagreb, Croatia
| | - Vlatka Filipović Marijić
- Ruđer Bošković Institute, Division for Marine and Environmental Research, Laboratory for Biological Effects of Metals, Bijenička c. 54, 10002 Zagreb, Croatia
| | - Tatjana Mijošek
- Ruđer Bošković Institute, Division for Marine and Environmental Research, Laboratory for Biological Effects of Metals, Bijenička c. 54, 10002 Zagreb, Croatia
| | - Zuzana Redžović
- Ruđer Bošković Institute, Division for Marine and Environmental Research, Laboratory for Biological Effects of Metals, Bijenička c. 54, 10002 Zagreb, Croatia
| | - Marijana Erk
- Ruđer Bošković Institute, Division for Marine and Environmental Research, Laboratory for Biological Effects of Metals, Bijenička c. 54, 10002 Zagreb, Croatia
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Cytosolic Distribution of Metals (Cd, Cu) and Metalloids (As, Se) in Livers and Gonads of Field-Collected Fish Exposed to an Environmental Contamination Gradient: An SEC-ICP-MS Analysis. ENVIRONMENTS 2018. [DOI: 10.3390/environments5090102] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
The distribution of As, Cd, Cu and Se among biomolecules of different molecular weight (MW) in the heat-treated cytosolic fraction of livers and gonads of white suckers (WS; Catostomus commersonii) collected in a reference lake and in a lake subject to multi-metal contamination was investigated. Distribution profiles were obtained by separation of the heat-stable protein and peptide (HSP) fractions using size-exclusion high performance-liquid chromatography, coupled online to an inductively coupled plasma mass spectrometer, to quantify the associated metals. Metal-handling strategies did not vary between the reference and exposed fish, with the exception of As. Cadmium and Cu appeared associated with the heat-stable peptides metallothioneins (MTs), indicating their reasonable detoxification and regulation in WS. In contrast, Se and As were not bound to MTs, but rather, to biomolecules of lower MW (<2 kDa). Arsenic was found associated with the same biomolecules in fish from both lakes, but their proportions changed between reference and exposed fish. For future work, the identification of the Se and As binding biomolecules would be of great interest to determine if these metalloids are detoxified or if, conversely, the biomolecules are metal-sensitive and their binding to Se or As represents a threat for the health of these fish.
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Krasnići N, Dragun Z, Erk M, Ramani S, Jordanova M, Rebok K, Kostov V. Size-exclusion HPLC analysis of trace element distributions in hepatic and gill cytosol of Vardar chub (Squalius vardarensis Karaman) from mining impacted rivers in north-eastern Macedonia. THE SCIENCE OF THE TOTAL ENVIRONMENT 2018; 613-614:1055-1068. [PMID: 28950668 DOI: 10.1016/j.scitotenv.2017.09.160] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/25/2017] [Revised: 09/14/2017] [Accepted: 09/16/2017] [Indexed: 06/07/2023]
Abstract
Many bioindicators have not yet been well characterized regarding their tendency to bind trace elements by different cytosolic biomolecules in response to trace element exposure. Accordingly, our principal aim was to define the cytosolic distributions of Cd, Co, Cu, Fe, Mn, Mo, Se, and Zn among the biomolecules of different molecular masses in liver and gills of Vardar chub (Squalius vardarensis Karaman), a representative fish species of Macedonian rivers, and to determine distribution changes which occur as a consequence of increased exposure to specific trace elements. Additionally, we aimed to confirm the presence of heat-stable biomolecules in chub hepatic and gill cytosols. Distribution profiles were obtained by separation of cytosols and heat-treated cytosols using size-exclusion high performance-liquid chromatography, and by offline determination of trace element concentrations using high resolution inductively coupled plasma-mass spectrometry. Distribution profiles of trace elements were mainly characterized by several peaks encompassing different ranges of molecular masses, as a sign of incorporation of trace elements in various biomolecules within hepatic and gill cytosols. Especially interesting finding was probable binding of Fe to ferritin, which was especially pronounced in the liver, as a sign of important liver function in Fe storage. Furthermore, association with heat-stable proteins, metallothioneins (MT), was indicated for Cd, Cu, and Zn in the hepatic cytosol, as well as for Cd in the gill cytosol, whereas a sign of Zn-MT association was not observed in the gills. The presence of Mo- and Se-binding heat-stable compounds of very low molecular masses (<10kDa) in the cytosol was determined for both liver and the gills. Trace elements under all studied conditions were found associated to the same biomolecules, and only their proportions associated to specific cytosolic compounds have changed as a consequence of their increased bioaccumulation in the liver and gills of Vardar chub.
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Affiliation(s)
- Nesrete Krasnići
- Ruđer Bošković Institute, Division for Marine and Environmental Research, Laboratory for Biological Effects of Metals, P.O. Box 180, 10002 Zagreb, Croatia
| | - Zrinka Dragun
- Ruđer Bošković Institute, Division for Marine and Environmental Research, Laboratory for Biological Effects of Metals, P.O. Box 180, 10002 Zagreb, Croatia.
| | - Marijana Erk
- Ruđer Bošković Institute, Division for Marine and Environmental Research, Laboratory for Biological Effects of Metals, P.O. Box 180, 10002 Zagreb, Croatia
| | - Sheriban Ramani
- Hydrometeorological Service of Macedonia, Department for Water Analysis, Skupi 28, 1000 Skopje, Macedonia
| | - Maja Jordanova
- Faculty of Natural Sciences and Mathematics, Ss. Cyril and Methodius University in Skopje, Arhimedova 3, 1000 Skopje, Macedonia
| | - Katerina Rebok
- Faculty of Natural Sciences and Mathematics, Ss. Cyril and Methodius University in Skopje, Arhimedova 3, 1000 Skopje, Macedonia
| | - Vasil Kostov
- Institute of Animal Sciences, Ile Ilievski 92a, 1000 Skopje, Macedonia
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Leclercq A, Nonell A, Todolí Torró JL, Bresson C, Vio L, Vercouter T, Chartier F. Introduction of organic/hydro-organic matrices in inductively coupled plasma optical emission spectrometry and mass spectrometry: a tutorial review. Part II. Practical considerations. Anal Chim Acta 2015; 885:57-91. [PMID: 26231892 DOI: 10.1016/j.aca.2015.04.039] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2014] [Revised: 03/31/2015] [Accepted: 04/02/2015] [Indexed: 01/21/2023]
Abstract
Inductively coupled plasma optical emission spectrometry (ICP-OES) and mass spectrometry (ICP-MS) are increasingly used to carry out analyses in organic/hydro-organic matrices. The introduction of such matrices into ICP sources is particularly challenging and can be the cause of numerous drawbacks. This tutorial review, divided in two parts, explores the rich literature related to the introduction of organic/hydro-organic matrices in ICP sources. Part I provided theoretical considerations associated with the physico-chemical properties of such matrices, in an attempt to understand the induced phenomena. Part II of this tutorial review is dedicated to more practical considerations on instrumentation, instrumental and operating parameters, as well as analytical strategies for elemental quantification in such matrices. Two important issues are addressed in this part: the first concerns the instrumentation and optimization of instrumental and operating parameters, pointing out (i) the description, benefits and drawbacks of different kinds of nebulization and desolvation devices and the impact of more specific instrumental parameters such as the injector characteristics and the material used for the cone; and, (ii) the optimization of operating parameters, for both ICP-OES and ICP-MS. Even if it is at the margin of this tutorial review, Electrothermal Vaporization and Laser Ablation will also be shortly described. The second issue is devoted to the analytical strategies for elemental quantification in such matrices, with particular insight into the isotope dilution technique, particularly used in speciation analysis by ICP-coupled separation techniques.
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Affiliation(s)
- Amélie Leclercq
- CEA Saclay, DEN, DANS, DPC, SEARS, Laboratoire de développement Analytique Nucléaire Isotopique et Elémentaire, 91191 Gif-sur-Yvette, France.
| | - Anthony Nonell
- CEA Saclay, DEN, DANS, DPC, SEARS, Laboratoire de développement Analytique Nucléaire Isotopique et Elémentaire, 91191 Gif-sur-Yvette, France.
| | - José Luis Todolí Torró
- Universidad de Alicante, Departamento de Quimica Analitica, Nutricion y Bromatología, Ap. de Correos, 99, 03080 Alicante, Spain.
| | - Carole Bresson
- CEA Saclay, DEN, DANS, DPC, SEARS, Laboratoire de développement Analytique Nucléaire Isotopique et Elémentaire, 91191 Gif-sur-Yvette, France.
| | - Laurent Vio
- CEA Saclay, DEN, DANS, DPC, SEARS, Laboratoire de développement Analytique Nucléaire Isotopique et Elémentaire, 91191 Gif-sur-Yvette, France.
| | - Thomas Vercouter
- CEA Saclay, DEN, DANS, DPC, SEARS, Laboratoire de développement Analytique Nucléaire Isotopique et Elémentaire, 91191 Gif-sur-Yvette, France.
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Joo M, Park M, Pak YN. Study of improving precision and accuracy by using an internal standard in post column isotope dilution method for HPLC-ICP/MS. ANALYTICAL SCIENCE AND TECHNOLOGY 2014. [DOI: 10.5806/ast.2014.27.3.140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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García-Sevillano MÁ, García-Barrera T, Abril N, Pueyo C, López-Barea J, Gómez-Ariza JL. Omics technologies and their applications to evaluate metal toxicity in mice M. spretus as a bioindicator. J Proteomics 2014; 104:4-23. [PMID: 24631825 DOI: 10.1016/j.jprot.2014.02.032] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2013] [Revised: 02/09/2014] [Accepted: 02/25/2014] [Indexed: 11/29/2022]
Abstract
UNLABELLED Metals are important components of living organisms since many biological functions critically depend on their interaction with some metal in the cell. However, human activities have increased toxic metal levels in the terrestrial and aquatic ecosystems affecting living organisms. The impact of metals on cellular metabolism and global homeostasis has been traditionally assessed in free-living organisms by using conventional biomarkers; however, to obtain a global vision of metal toxicity mechanisms and the responses that metals elicit in the organisms, new analytical methodologies are needed. We review the use of omics approaches to assess the response of living organisms under metal stress illustrating the possibilities of different methodologies on the basis of our previous results. Most of this research has been based on free-living mice Mus spretus, a conventional bioindicator used to monitor metal pollution in Doñana National Park (DNP) (SW Spain), which is an important European biological reserve for migrating birds affected by agricultural, mining and industrial activities. The benefits of using omic techniques such as heterologous microarrays, proteomics methodologies (2-DE, iTRAQ®), metallomics, ionomics or metabolomics has been remarked; however, the complexity of these areas requires the integration of omics to achieve a comprehensive assessment of their environmental status. This article is part of a Special Issue entitled: Environmental and structural proteomics. BIOLOGICAL SIGNIFICANCE This work presents new contributions in the study of environmental metal pollution in terrestrial ecosystems using Mus spretus mice as bioindicator in Doñana National Park (SW Spain) and surroundings. In addition, it has been demonstrated that the integration of omics multi-analytical approaches provides a very suitable approach for the study of the biological response and metal interactions in exposed and free-living mice (Mus musculus and Mus spretus, respectively) under metal pollution.
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Affiliation(s)
- Miguel Ángel García-Sevillano
- Department of Chemistry and Materials Science, Faculty of Experimental Science, University of Huelva, Campus de El Carmen, 21007 Huelva, Spain; International Agrofood Campus of Excellence International ceiA3, University of Huelva, Spain; Research Center of Health and Environment (CYSMA), University of Huelva, Campus de El Carmen, 21007 Huelva, Spain
| | - Tamara García-Barrera
- Department of Chemistry and Materials Science, Faculty of Experimental Science, University of Huelva, Campus de El Carmen, 21007 Huelva, Spain; International Agrofood Campus of Excellence International ceiA3, University of Huelva, Spain; Research Center of Health and Environment (CYSMA), University of Huelva, Campus de El Carmen, 21007 Huelva, Spain
| | - Nieves Abril
- Department of Biochemistry and Molecular Biology, Agrifood Campus of International Excellence (ceiA3), Severo Ochoa Building, University of Córdoba, Rabanales Campus, 14071 Córdoba, Spain
| | - Carmen Pueyo
- Department of Biochemistry and Molecular Biology, Agrifood Campus of International Excellence (ceiA3), Severo Ochoa Building, University of Córdoba, Rabanales Campus, 14071 Córdoba, Spain
| | - Juan López-Barea
- Department of Biochemistry and Molecular Biology, Agrifood Campus of International Excellence (ceiA3), Severo Ochoa Building, University of Córdoba, Rabanales Campus, 14071 Córdoba, Spain
| | - José Luis Gómez-Ariza
- Department of Chemistry and Materials Science, Faculty of Experimental Science, University of Huelva, Campus de El Carmen, 21007 Huelva, Spain; International Agrofood Campus of Excellence International ceiA3, University of Huelva, Spain; Research Center of Health and Environment (CYSMA), University of Huelva, Campus de El Carmen, 21007 Huelva, Spain.
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Kretschy D, Koellensperger G, Hann S. Elemental labelling combined with liquid chromatography inductively coupled plasma mass spectrometry for quantification of biomolecules: a review. Anal Chim Acta 2012; 750:98-110. [PMID: 23062431 PMCID: PMC3475989 DOI: 10.1016/j.aca.2012.06.040] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2012] [Revised: 06/23/2012] [Accepted: 06/25/2012] [Indexed: 01/02/2023]
Abstract
This article reviews novel quantification concepts where elemental labelling is combined with flow injection inductively coupled plasma mass spectrometry (FI-ICP-MS) or liquid chromatography inductively coupled plasma mass spectrometry (LC-ICP-MS), and employed for quantification of biomolecules such as proteins, peptides and related molecules in challenging sample matrices. In the first sections an overview on general aspects of biomolecule quantification, as well as of labelling will be presented emphasizing the potential, which lies in such methodological approaches. In this context, ICP-MS as detector provides high sensitivity, selectivity and robustness in biological samples and offers the capability for multiplexing and isotope dilution mass spectrometry (IDMS). Fundamental methodology of elemental labelling will be highlighted and analytical, as well as biomedical applications will be presented. A special focus will lie on established applications underlining benefits and bottlenecks of such approaches for the implementation in real life analysis. Key research made in this field will be summarized and a perspective for future developments including sophisticated and innovative applications will given.
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Affiliation(s)
| | | | - Stephan Hann
- University of Natural Resources and Life Sciences, BOKU Vienna, Department of Chemistry, Division of Analytical Chemistry, Muthgasse 18, A-1190 Vienna, Austria
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Shariati F, Shariati S. Review on methods for determination of metallothioneins in aquatic organisms. Biol Trace Elem Res 2011; 141:340-66. [PMID: 20607442 DOI: 10.1007/s12011-010-8740-z] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/24/2010] [Accepted: 05/21/2010] [Indexed: 12/01/2022]
Abstract
One aspect of environmental degradation in coastal areas is pollution from toxic metals, which are persistent and are bioaccumulated by marine organisms, with serious public health implications. A conventional monitoring system of environmental metal pollution includes measuring the level of selected metals in the whole organism or in respective organs. However, measuring only the metal content in particular organs does not give information about its effect at the subcellular level. Therefore, the evaluation of biochemical biomarker metallothionein may be useful in assessing metal exposure and the prediction of potential detrimental effects induced by metal contamination. There are some methods for the determination of metallothioneins including spectrophotometric method, electrochemical methods, chromatography, saturation-based methods, immunological methods, electrophoresis, and RT-PCR. In this paper, different methods are discussed briefly and the comparison between them will be presented.
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Affiliation(s)
- Fatemeh Shariati
- Department of Environment, Faculty of Natural Resources, Islamic Azad University (Lahijan Branch), Lahijan, Iran.
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12
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Van Campenhout K, Infante HG, Hoff PT, Moens L, Goemans G, Belpaire C, Adams F, Blust R, Bervoets L. Cytosolic distribution of Cd, Cu and Zn, and metallothionein levels in relation to physiological changes in gibel carp (Carassius auratus gibelio) from metal-impacted habitats. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2010; 73:296-305. [PMID: 19900706 DOI: 10.1016/j.ecoenv.2009.10.007] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/29/2009] [Revised: 10/12/2009] [Accepted: 10/19/2009] [Indexed: 05/28/2023]
Abstract
In the present study the impact of environmental metal contamination in gibel carp (Carassius auratus gibelio) was investigated coupling disturbances in subcellular metal distribution to effect biomarkers. Gibel carp were caught at six different sampling sites in Flanders (Belgium), characterized by different degrees in environmental metal contamination. Tissue Cd, Cu and Zn concentrations and total metallothioneon (MT) levels were determined in gills, liver and kidney. Cytosolic metal distribution was measured in the main accumulating organs, liver and kidney, revealing tissue- and metal-dependent profiles. The MT pool dominated the cytosolic distribution profile. Although the importance of the MT pool increased with increasing environmental and cytosolic metal concentrations, also an undefined fraction of Cu and Cd fractions (probably free metal ions or metals bound to small organic complexes) increased at the most contaminated sampling sites. Disturbances in serum ion concentrations, serum alanine aminotransferase activity (ALT), hematocrite and condition factor were measured, as indicators of toxic effects. At the sampling site with the highest environmental Cd pollution a significant decrease in serum Ca(2+) concentrations and a significantly increased serum ALT activity were measured suggesting incomplete detoxification of Cd. Increased serum ALT concentrations suggested structural liver damage. The fact that the liver tissue, and probably also the kidney, could not cope with this high Cd burden in combination with the increased uptake of dissolved Cd through the gills most probably contributed to the perturbed serum Ca(2+) homeostasis.
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Affiliation(s)
- Karen Van Campenhout
- Department of Biology, Ecophysiology, Biochemistry and Toxicology Group, University of Antwerp, Groenenborgerlaan 171, B-2020 Antwerp, Belgium
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Bettmer J, Montes Bayón M, Ruiz Encinar J, Fernández Sánchez ML, Fernández de la Campa MDR, Sanz Medel A. The emerging role of ICP-MS in proteomic analysis. J Proteomics 2009; 72:989-1005. [DOI: 10.1016/j.jprot.2009.05.003] [Citation(s) in RCA: 141] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2009] [Revised: 05/08/2009] [Accepted: 05/17/2009] [Indexed: 12/13/2022]
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14
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Van Campenhout K, Goenaga Infante H, Goemans G, Belpaire C, Adams F, Blust R, Bervoets L. A field survey of metal binding to metallothionein and other cytosolic ligands in liver of eels using an on-line isotope dilution method in combination with size exclusion (SE) high pressure liquid chromatography (HPLC) coupled to Inductively Coupled Plasma time-of-flight Mass Spectrometry (ICP-TOFMS). THE SCIENCE OF THE TOTAL ENVIRONMENT 2008; 394:379-389. [PMID: 18302969 DOI: 10.1016/j.scitotenv.2008.01.026] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/16/2007] [Revised: 01/16/2008] [Accepted: 01/16/2008] [Indexed: 05/26/2023]
Abstract
The effect of metal exposure on the accumulation and cytosolic speciation of metals in livers of wild populations of European eel with special emphasis on metallothioneins (MT) was studied. Four sampling sites in Flanders showing different degrees of heavy metal contamination were selected for this purpose. An on-line isotope dilution method in combination with size exclusion (SE) high pressure liquid chromatography (HPLC) coupled to Inductively Coupled Plasma time-of-flight Mass Spectrometry (ICP-TOFMS) was used to study the cytosolic speciation of the metals. The distribution of the metals Cd, Cu, Ni, Pb and Zn among cytosolic fractions displayed strong differences. The cytosolic concentration of Cd, Ni and Pb increased proportionally with the total liver levels. However, the cytosolic concentrations of Cu and Zn only increased above a certain liver tissue threshold level. Cd, Cu and Zn, but not Pb and Ni, were largely associated with the MT pool in correspondence with the environmental exposure and liver tissue concentrations. Most of the Pb and Ni and a considerable fraction of Cu and Zn, but not Cd, were associated to High Molecular Weight (HMW) fractions. The relative importance of the Cu and Zn in the HMW fraction decreased with increasing contamination levels while the MT pool became progressively more important. The close relationship between the cytosolic metal load and the total MT levels or the metals bound on the MT pool indicates that the metals, rather than other stress factors, are the major factor determining MT induction.
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Affiliation(s)
- Karen Van Campenhout
- Department of Biology, University of Antwerp, Groenenborgerlaan 171, B-2020 Antwerp, Belgium
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15
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Jitaru P, Cozzi G, Gambaro A, Cescon P, Barbante C. Simultaneous speciation analysis of glutathione peroxidase, selenoprotein P and selenoalbumin in human serum by tandem anion exchange-affinity HPLC and on-line isotope dilution ICP-quadrupole MS. Anal Bioanal Chem 2008; 391:661-9. [PMID: 18414835 DOI: 10.1007/s00216-008-2043-7] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2007] [Revised: 02/27/2008] [Accepted: 02/29/2008] [Indexed: 11/29/2022]
Abstract
A method based on anion exchange (AE) and affinity (AF)-HPLC (AE-AF-HPLC) hyphenated to inductively coupled plasma-(quadrupole) mass spectrometry (ICP-QMS) was developed for the speciation analysis of selenoprotein P (SelP), glutathione peroxidase (GPx) and selenoalbumin (SeAlb) in human serum. AE-HPLC is proposed here for the on-line alleviation of Cl and Br spectral interferences on (77)Se ((40)Ar(37)Cl) and (82)Se ((81)Br(1)H). Separation of GPx, SelP and SeAlb by AE-AF-HPLC was obtained within a total chromatographic runtime of <20 min. On-line (post-column) isotope dilution (ON-ID) and on-line external calibration (ON-EC)-ICP-QMS were used for the quantification of Se in GPx, SelP and SeAlb. ON-EC using a Se-L: -cystine standard was shown to be a suitable approach for the routine simultaneous speciation analysis of serum GPx, SelP and SeAlb. The method validation was carried out by direct ICP-sector field MS determination of Se in GPx, SelP and SeAlb fractions collected after AE-AF-HPLC separation. In addition, the method accuracy for the determination of total protein-bound Se was assessed by analyzing a human serum reference material (BCR-637) certified for total Se content.
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Affiliation(s)
- Petru Jitaru
- Institute for the Dynamics of Environmental Processes (IDPA-CNR), Dorsoduro 2137, 30123, Venice, Italy
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16
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Deitrich CL, Raab A, Pioselli B, Thomas-Oates JE, Feldmann J. Chemical Preparation of an Isotopically Enriched Superoxide Dismutase and Its Characterization as a Standard for Species-Specific Isotope Dilution Analysis. Anal Chem 2007; 79:8381-90. [PMID: 17892275 DOI: 10.1021/ac071397t] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The development of methods to analyze accurately and precisely individual metalloproteins is of increasing importance. Here we describe for the first time the chemical preparation and characterization of an isotopically enriched metalloenzyme containing two different metal isotopes. Its evaluation as a standard in species-specific isotope dilution analysis by HPLC coupled to inductively coupled plasma mass spectrometry is carefully evaluated. Our model enzyme bovine superoxide dismutase (SOD) contains both Cu and Zn and is remarkably stable at high temperatures and even under denaturing conditions. The enzyme's metal cofactors were removed under a range of different conditions and replaced with isotopically enriched 65Cu and 68Zn. Depending on the conditions, various isotopic ratios differing from the natural Cu and Zn abundances were obtained for the reconstituted enzyme. Both the wild type and isotopically enriched enzyme had the same migration pattern on native 1D-PAGE. Using an enzyme activity test, we showed that the incorporated 65Cu was bound to the right SOD-binding site, since the measured activity correlated directly with the amount of Cu incorporated. Mixing the native and the isotopically enriched enzyme standard with free enriched 65Cu and 68Zn or a metal chelator did not result in any exchange or loss of the metals from the enzyme at neutral pH. This verifies the stability of the enzyme metal center under the chosen conditions. The isotopically enriched enzyme standard was spiked into a wild type SOD solution to evaluate its use for species-specific isotope dilution experiments. To our knowledge, this is the first report of the chemical preparation of a metalloenzyme containing two different isotopically enriched metals. We provide evidence that the incorporated isotopically enriched metals are bound to the right binding site of SOD using an specific enzymatic activity assay.
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Affiliation(s)
- Christian L Deitrich
- College of Physical Science, Department of Chemistry, University of Aberdeen, Meston Walk, Aberdeen, UK AB24 3UE
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17
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Sanz-Medel A, Montes-Bayón M, del Rosario Fernández de la Campa M, Encinar JR, Bettmer J. Elemental mass spectrometry for quantitative proteomics. Anal Bioanal Chem 2007; 390:3-16. [PMID: 17909759 DOI: 10.1007/s00216-007-1615-2] [Citation(s) in RCA: 113] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2007] [Revised: 09/05/2007] [Accepted: 09/06/2007] [Indexed: 11/24/2022]
Abstract
In the last decade mass-spectrometry-based proteomics has become an indispensable analytical tool for molecular biology, cellular biology and, lately, for the emerging systems biology. This review summarises the evolution and great potential of analytical methods based on elemental mass-spectrometric detection for quantitative proteomic analysis.
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Affiliation(s)
- Alfredo Sanz-Medel
- Department of Physical and Analytical Chemistry, Faculty of Chemistry, University of Oviedo, C/Julián Clavería 8, 33006, Oviedo, Spain.
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Infante HG, Van Campenhout K, Blust R, Adams FC. Anion-exchange high performance liquid chromatography hyphenated to inductively coupled plasma-isotope dilution-time-of-flight mass spectrometry for speciation analysis of metal complexes with metallothionein isoforms in gibel carp (Carassius auratus gibelio) exposed to environmental metal pollution. J Chromatogr A 2006; 1121:184-90. [PMID: 16678190 DOI: 10.1016/j.chroma.2006.04.035] [Citation(s) in RCA: 34] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2006] [Revised: 04/03/2006] [Accepted: 04/06/2006] [Indexed: 11/19/2022]
Abstract
The capability of post-column isotope dilution (ID) combined with anion-exchange HPLC-ICP-time-of-flight (TOF)-MS was for the first time investigated for environmental quality assessment through metal speciation analysis of metallothionein (MT) isoforms in cytosols of gibel carp (Carassius auratus gibelio), used as biomarkers for environmental metal exposure. A full spectral scanning of the biological sample (with 50 microl injection volume) using ICP-TOF-MS in transient mode allowed fast multi-isotope screening of cytosolic metal-containing fractions and to investigate the presence of matrix-induced interferences. The MT cytosolic fraction of liver and kidney of the carp, sampled at three different sampling sites in Belgium, was partially purified using size-exclusion (SE) HPLC. Quantification of the elements Cd (toxic) and Zn and Cu (essential) associated with MT isoforms in this fraction was addressed using an hybrid approach based on post-column addition of the enriched isotopes 65Cu, 67Zn, 106Cd and monitoring on-line the isotope ratios 63Cu/65Cu, 64Zn/67Zn and 114Cd/106Cd by ICP-MS with a time of flight instrument, which was coupled to anion-exchange HPLC. With this separation method, baseline separation of up to five MT isoforms, which is required for quantitative metal speciation by HPLC-ICP-IDMS, was achieved within a run of 15 min. The MT fraction of the cytosols was also analysed for the total metal content using IDMS with size-exclusion HPLC-ICP-MS and species-unspecific calibration. Results showed significant differences between speciation results and total MT concentrations of control fish and fish from the most contaminated sampling sites, revealing the potential of gibel carp MT for sequestering excess intracellular free-ions (essential and toxic elements) and for its protection against metal toxicity. Preferences for metal sequestration of metal complexes with MT isoforms were also found to be tissue-specific: excess of Cd was found preferably bound to a major MT isoform (tR = 8.0 min) in kidney, whereas excess intracellular Zn appeared to be mostly sequestered by four MT isoforms (tR=7.3, 8.0, 12.2 and 14.4 min) in liver, the MT form with tR = 8.0 min being the main Zn scavenger form. Such kind of quantitative speciation information on the preferences of MT isoforms in different fish organs for sequestering heavy metals, reported here for the first time, is important to elucidate the role of isoform-specific induction of vertebrate fish MT in metal detoxification and the use of MT as biomarker.
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Affiliation(s)
- Heidi Goenaga Infante
- University of Antwerp, Micro and Trace Analysis Centre, Universiteitsplein 1, B-2610 Wilrijk, Belgium.
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19
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Lobiński R, Schaumlöffel D, Szpunar J. Mass spectrometry in bioinorganic analytical chemistry. MASS SPECTROMETRY REVIEWS 2006; 25:255-89. [PMID: 16273552 DOI: 10.1002/mas.20069] [Citation(s) in RCA: 90] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
A considerable momentum has recently been gained by in vitro and in vivo studies of interactions of trace elements in biomolecules due to advances in inductively coupled plasma mass spectrometry (ICP MS) used as a detector in chromatography and capillary and planar electrophoresis. The multi-isotopic (including non-metals such as S, P, or Se) detection capability, high sensitivity, tolerance to matrix, and large linearity range regardless of the chemical environment of an analyte make ICP MS a valuable complementary technique to electrospray MS and MALDI MS. This review covers different facets of the recent progress in metal speciation in biochemistry, including probing in vitro interactions between metals and biomolecules, detection, determination, and structural characterization of heteroatom-containing molecules in biological tissues, and protein monitoring and quantification via a heteroelement (S, Se, or P) signal. The application areas include environmental chemistry, plant and animal biochemistry, nutrition, and medicine.
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Affiliation(s)
- Ryszard Lobiński
- Equipe de Chimie Analytique Bio-Inorganique, CNRS UMR 5034, Hélioparc, 2, av. du Pr. Angot, F-64053 Pau, France.
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20
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Harrington CF, Vidler DS, Watts MJ, Hall JF. Potential for Using Isotopically Altered Metalloproteins in Species-Specific Isotope Dilution Analysis of Proteins by HPLC Coupled to Inductively Coupled Plasma Mass Spectrometry. Anal Chem 2005; 77:4034-41. [PMID: 15987108 DOI: 10.1021/ac050256t] [Citation(s) in RCA: 43] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The production and evaluation of an isotopically enriched metalloprotein standard for use as a calibrant in species-specific isotope dilution analysis by HPLC coupled to inductively coupled plasma mass spectrometry is described. Using a model system involving the copper-containing protein rusticyanin (Rc) from the bacterium Acido-thiobacillus ferrooxidans, it was possible to demonstrate the analytical conditions that could be used for the measurement of metalloproteins by on-line IDMS analysis. Rc was chosen because it is a well-characterized protein with an established amino acid sequence and can be produced in suitable quantities using a bacterial recombinant system. Three different forms of the protein were studied by organic and inorganic mass spectrometry: the native form of the protein containing a natural isotopic profile for copper, an isotopically enriched species containing virtually all of its copper as the 65Cu isotope, and the nonmetalated apo form. Incorporation of the copper isotopes into the apo form of the protein was determined using a UV-vis spectrophotometric assay and shown to be complete for each of the copper-containing species. The experimental conditions required to maintain the conformational form of the protein with a nonexchangeable copper center were established using +ve electrospray mass spectrometry. A pH 7.0 buffer was found to afford the most appropriate conditions, and this was then used with HPLC-ICP-MS to verify the stability of the copper center by analysis of mixtures of different isotopic solutions. No exchange of the enriched copper isotope from Rc with an added naturally abundant inorganic copper cation was observed under a neutral pH environment, indicating that species-specific ID-MS analysis of metalloproteins is possible.
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Affiliation(s)
- Chris F Harrington
- Cancer Biomarkers and Prevention Group, Biocenter, University of Leicester, University Road, Leicester, UK LE1 7RH.
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21
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Bings NH. Plasma time-of-flight mass spectrometry as a detector for short transient signals in elemental analysis. Anal Bioanal Chem 2005; 382:887-90. [PMID: 15843920 DOI: 10.1007/s00216-005-3198-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2004] [Revised: 02/16/2005] [Accepted: 02/24/2005] [Indexed: 10/25/2022]
Affiliation(s)
- Nicolas H Bings
- Institute of Inorganic and Applied Chemistry, University of Hamburg, Martin-Luther-King-Platz 6, 20146 Hamburg, Germany.
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22
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Szpunar J. Advances in analytical methodology for bioinorganic speciation analysis: metallomics, metalloproteomics and heteroatom-tagged proteomics and metabolomics. Analyst 2005; 130:442-65. [PMID: 15776152 DOI: 10.1039/b418265k] [Citation(s) in RCA: 248] [Impact Index Per Article: 13.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The recent developments in analytical techniques capable of providing information on the identity and quantity of heteroatom-containing biomolecules are critically discussed. Particular attention is paid to the emerging areas of bioinorganic analysis including: (i) a comprehensive analysis of the entirety of metal and metalloid species within a cell or tissue type (metallomics), (ii) the study of the part of the metallome involving the protein ligands (metalloproteomics), and (iii) the use of a heteroelement, naturally present in a protein or introduced in a tag added by means of derivatisation, for the spotting and quantification of proteins (heteroatom-tagged proteomics). Inductively coupled plasma mass spectrometry (ICP MS), used as detector in chromatography and electrophoresis, and supported by electrospray and MALDI MS, appears as the linchpin analytical technique for these emerging areas. This review focuses on the recent advances in ICP MS in biological speciation analysis including sensitive detection of non-metals, especially of sulfur and phosphorus, couplings to capillary and nanoflow HPLC and capillary electrophoresis, laser ablation ICP MS detection of proteins in gel electrophoresis, and isotope dilution quantification of biomolecules. The paper can be considered as a followup of a previous review by the author on a similar topic (J. Szpunar, Analyst, 2000, 125, 963).
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Affiliation(s)
- Joanna Szpunar
- Equipe de Chimie Analytique Bio-inorganique, CNRS UMR 5034, Helioparc, 2, av. Pr. Angot, F-64053 Pau, France.
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Li B, Bergmann J, Lassen S, Leonhard P, Prange A. Distribution of elements binding to molecules with different molecular weights in aqueous extract of Antarctic krill by size-exclusion chromatography coupled with inductively coupled plasma mass spectrometry. J Chromatogr B Analyt Technol Biomed Life Sci 2005; 814:83-91. [PMID: 15607711 DOI: 10.1016/j.jchromb.2004.10.008] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2004] [Accepted: 10/04/2004] [Indexed: 10/26/2022]
Abstract
The distribution of silver, arsenic, cadmium, cobalt, chromium, copper, iron, manganese, nickel, lead, selenium and zinc binding to species with different molecular weight in aqueous extract of krill was studied by on-line size-exclusion chromatography (SEC)/inductively coupled plasma mass spectrometry (ICP-MS). The extract was fractionated in three fractions with different molecular weight (MW) ranges (>20,000 relative molecular mass (rel. mol. mass), 2000-20,000 rel. mol. mass and <2000 rel. mol. mass), which were further analyzed by SEC with columns having different optimum fractionation ranges in order to obtain more detailed information about the MW distribution of the elements. Various distribution profiles for the target elements among different MW ranges were observed. The results obtained indicated that manganese, zinc, silver, cadmium and lead species were mostly distributed in the higher MW range (>20,000 rel. mol. mass). In the case of chromium, iron, cobalt, arsenic and selenium, most of them bind to species with lower MW (<2000 rel. mol. mass). Only copper and nickel species was predominantly present in middle MW range (2000-20,000 rel. mol. mass). Further speciation of arsenic compounds in the small MW fraction was carried out with anion exchange chromatography (AEC) coupled with ICP-MS. The results showed that the dominant arsenic species in this fraction is As(III) (63% of extractable arsenic), while As(V) (13%) and two unknown arsenic species (19% and 5%, respectively) are present in lower amounts.
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Affiliation(s)
- Bin Li
- Institute for Coastal Research, GKSS Research Center, Max-Planck Strasse, D-21502 Geesthacht, Germany
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Affiliation(s)
- Diane Beauchemin
- Department of Chemistry, Queen's University, Kingston, Ontario K7L 3N6, Canada
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Benkhedda K, Goenaga Infante H, Adams FC. Determination of total lead and lead isotope ratios in natural waters by inductively coupled plasma time-of-flight mass spectrometry after flow injection on-line preconcentration. Anal Chim Acta 2004. [DOI: 10.1016/j.aca.2003.11.007] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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26
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Current literature in mass spectrometry. JOURNAL OF MASS SPECTROMETRY : JMS 2003; 38:1117-1124. [PMID: 14595863 DOI: 10.1002/jms.413] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
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