1
|
Kubaszewski Ł, Zioła-Frankowska A, Frankowski M, Rogala P, Gasik Z, Kaczmarczyk J, Nowakowski A, Dabrowski M, Labedz W, Miękisiak G, Gasik R. Comparison of trace element concentration in bone and intervertebral disc tissue by atomic absorption spectrometry techniques. J Orthop Surg Res 2014; 9:99. [PMID: 25342441 PMCID: PMC4220064 DOI: 10.1186/s13018-014-0099-y] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/25/2014] [Accepted: 10/08/2014] [Indexed: 12/24/2022] Open
Abstract
BACKGROUND Trace element (TE) analysis in human tissue has the dual purpose of assessing environmental pollution and metabolism. In literature, bone TE analysis is common, but studies in intervertebral disc (IVD) tissue are lacking. The aim of the study was evaluation of the difference of TE concentration in intervertebral disc and bone in patients with degenerative changes. The comparison of the tissues differing in metabolism, blood perfusion, or separateness from adjoining tissues but playing similar biomechanical role and presenting some common morphological traits may shed new light on metabolism nuances, degenerative process, as well as accumulation potential of IVD in respect to bone. METHODS In the study, we analyzed two types of samples: intervertebral disc (n =30, from 22 patients operated due to degenerative disc disease) and femoral bone (n =26, separately femoral head and neck, from 26 patients, acquired in total hip arthroplasty procedure in course of idiopathic osteoarthritis of the hip joint). In the samples we analyzed, with atomic absorption spectrometry, the concentrations of Pb, Ni, Mo, Cu, Mg, and Zn. RESULTS The element concentrations identified in bone are comparable to those presented in the literature. In the case of Pb, Ni, Mo, Mg, and Zn, the concentration in the bone was 2 to 25.8 times higher than that observed in the disc. Only the Cu concentration was higher in disc tissue than in bone. In disc tissue, fewer samples had TE concentrations below the detection threshold. We found significant differences in TE profiles in the compared tissues. CONCLUSIONS The results show that the disc could serve as a more stable compartment for evaluating TE concentration, especially for TEs that are environmentally related.
Collapse
Affiliation(s)
- Łukasz Kubaszewski
- Department of Orthopedics and Traumatology, W. Dega University Hospital, University of Medical Science Poznan, 28 Czerwca 1956r St., Poznań, 61-545, Poland.
- Clinic and Polyclinic of Neuroorthopedic and Neurology, Institute of Rheumatology, Warsaw, Spartańska 1, Warsaw, 02-637, Poland.
| | - Anetta Zioła-Frankowska
- Department of Water and Soil Analysis, Faculty of Chemistry, Adam Mickiewicz University in Poznań, Umultowska 89b, Poznań, 61-614, Poland.
| | - Marcin Frankowski
- Department of Water and Soil Analysis, Faculty of Chemistry, Adam Mickiewicz University in Poznań, Umultowska 89b, Poznań, 61-614, Poland.
| | - Piotr Rogala
- Department of Spine Surgery, Oncologic Orthopaedics and Traumatology, W. Dega University Hospital, University of Medical Science Poznan, 28 Czerwca 1956r St., Poznań, 61-545, Poland.
| | - Zuzanna Gasik
- Clinic and Polyclinic of Neuroorthopedic and Neurology, Institute of Rheumatology, Warsaw, Spartańska 1, Warsaw, 02-637, Poland.
| | - Jacek Kaczmarczyk
- Department of Orthopedics and Traumatology, W. Dega University Hospital, University of Medical Science Poznan, 28 Czerwca 1956r St., Poznań, 61-545, Poland.
| | - Andrzej Nowakowski
- Department of Spine Surgery, Oncologic Orthopaedics and Traumatology, W. Dega University Hospital, University of Medical Science Poznan, 28 Czerwca 1956r St., Poznań, 61-545, Poland.
| | - Mikolaj Dabrowski
- Department of Spine Surgery, Oncologic Orthopaedics and Traumatology, W. Dega University Hospital, University of Medical Science Poznan, 28 Czerwca 1956r St., Poznań, 61-545, Poland.
| | - Wojciech Labedz
- Department of Orthopedics and Traumatology, W. Dega University Hospital, University of Medical Science Poznan, 28 Czerwca 1956r St., Poznań, 61-545, Poland.
| | - Grzegorz Miękisiak
- Department of Neurosurgery, Specialist Medical Center, Polanica-Zdroj, Poland.
| | - Robert Gasik
- Clinic and Polyclinic of Neuroorthopedic and Neurology, Institute of Rheumatology, Warsaw, Spartańska 1, Warsaw, 02-637, Poland.
| |
Collapse
|
2
|
Campanella B, Bramanti E. Detection of proteins by hyphenated techniques with endogenous metal tags and metal chemical labelling. Analyst 2014; 139:4124-53. [DOI: 10.1039/c4an00722k] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The absolute and relative quantitation of proteins plays a fundamental role in modern proteomics, as it is the key to understand still unresolved biological questions in medical and pharmaceutical applications.
Collapse
Affiliation(s)
- Beatrice Campanella
- National Research Council of Italy
- C.N.R
- Istituto di Chimica dei Composti Organo Metallici-ICCOM-UOS Pisa
- 56124 Pisa, Italy
| | - Emilia Bramanti
- National Research Council of Italy
- C.N.R
- Istituto di Chimica dei Composti Organo Metallici-ICCOM-UOS Pisa
- 56124 Pisa, Italy
| |
Collapse
|
3
|
Escobedo-Fregoso C, Mendez-Rodriguez LC, Monsalvo-Spencer P, Llera-Herrera RA, Zenteno-Savin T, Acosta-Vargas B. Assessment of metallothioneins in tissues of the clam Megapitaria squalida as biomarkers for environmental cadmium pollution from areas enriched in phosphorite. ARCHIVES OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2010; 59:255-263. [PMID: 20162261 DOI: 10.1007/s00244-010-9484-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/09/2009] [Accepted: 01/28/2010] [Indexed: 05/28/2023]
Abstract
The aim of this study was to evaluate the use of metallothionein (MT) concentrations in tissues of the clam Megapitaria squalida as biomarkers of environmental cadmium (Cd) pollution from phosphorite enrichments in the marine environment, which resulted from mining activities in La Paz Bay, Baja California Sur, Mexico. Cd and MT were quantified in gills, digestive gland, and kidney of clams exposed to 0.2 or 0.5 mg Cd l(-1) for 10, 20, or 30 days. In addition, clams from four strategically selected natural sites of La Paz Bay were collected for analysis. In tissues of bioassayed and untreated clams, the gradient of Cd concentrations was digestive gland>>gills>kidney, whereas that of MT was digestive gland>gills>kidney. Digestive gland of the clams exposed to 0.5 mg Cd l(-1) for 30 days showed the highest concentrations of Cd (16.3+/-3.9 microg Cd g(-1)). The highest statistically significant MT concentrations were found in digestive gland at 10 days of exposure to Cd. In the untreated clams, one of the highest Cd concentrations, but not MT levels, was found in digestive glands of the organisms collected from the area close to phosphorite mining activities. For environmental monitoring, MT levels in digestive gland can be used as a first approximation of the presence of high levels of divalent metals in the environment. However, in this study, MT levels did not correlate with high Cd levels in clams that had been collected from areas associated with phosphorite enrichment.
Collapse
Affiliation(s)
- Cristina Escobedo-Fregoso
- Centro de Investigación Científica y de Educación Superior de Ensenada, Ensenada, Baja California, 22860, Mexico
| | | | | | | | | | | |
Collapse
|
4
|
Maret W. Fluorescent probes for the structure and function of metallothionein. J Chromatogr B Analyt Technol Biomed Life Sci 2009; 877:3378-83. [PMID: 19589737 DOI: 10.1016/j.jchromb.2009.06.014] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2009] [Revised: 06/05/2009] [Accepted: 06/09/2009] [Indexed: 10/20/2022]
Abstract
Fluorescence methods have been instrumental in demonstrating that the structure of human metallothionein in vivo depends on the availability of metal ions and the redox environment. Differential chemical modifications of its cysteine thiols with fluorescent probes allowed determination of three states: metallothionein (zinc-bound thiolate), thionein (free thiols), and thionin (disulfides). Interrogation of its zinc-binding properties with fluorescent chelating agents revealed that the affinities for the seven zinc ions vary over four orders of magnitude. Attachment of fluorescent labels generated metallothionein FRET (fluorescence resonance energy transfer) sensors for investigating its structure and function in living cells.
Collapse
Affiliation(s)
- Wolfgang Maret
- Departments of Preventive Medicine & Community Health and Anesthesiology, The University of Texas Medical Branch, Galveston, TX 77555-1109, USA.
| |
Collapse
|
5
|
Santiago-Rivas S, Moreda-Piñeiro A, Bermejo-Barrera P, Moreda-Piñeiro J, Alonso-Rodríguez E, Muniategui-Lorenzo S, López-Mahía P, Prada-Rodríguez D. Pressurized liquid extraction-assisted mussel cytosol preparation for the determination of metals bound to metallothionein-like proteins. Anal Chim Acta 2007; 603:36-43. [DOI: 10.1016/j.aca.2007.09.030] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2007] [Revised: 07/31/2007] [Accepted: 09/17/2007] [Indexed: 11/29/2022]
|
7
|
Haase H, Maret W. A differential assay for the reduced and oxidized states of metallothionein and thionein. Anal Biochem 2005; 333:19-26. [PMID: 15351276 DOI: 10.1016/j.ab.2004.04.039] [Citation(s) in RCA: 34] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2003] [Indexed: 10/26/2022]
Abstract
In the cellular environment, the sulfur ligands in zinc/thiolate coordination sites of proteins can be oxidized with concomitant mobilization of zinc. The characterization of such "redox zinc switches" requires the determination of three species, i.e., the zinc-containing complex and the zinc-free complex with the thiolate ligands either reduced or oxidized. Differential chemical modification of thiol groups in the presence and absence of either reducing or chelating agents allows the analytical speciation of such systems as demonstrated here for the characterization of the redox and metal-binding states of mammalian metallothionein. Thiol derivatization with 6-iodoacetamidofluorescein in the presence and absence of the reducing agent tris(2-carboxyethyl)phosphine, high-performance liquid chromatographic separation, and photometric detection are employed to determine the reduced and oxidized protein. Because the holoprotein reacts only in the presence of a chelating agent such as ethylenediaminetetraacetate (EDTA) its amount can be determined as the difference between measurements in the presence and the absence of EDTA. This method is applied to the study of the chemical and enzymatic oxidation of metallothionein/thionein. It should also greatly facilitate the characterization of the redox and metal-binding properties of zinc/thiolate coordination environments of other proteins such as zinc finger proteins.
Collapse
Affiliation(s)
- Hajo Haase
- Department of Pathology, Center for Biochemical and Biophysical Sciences and Medicine, Harvard Medical School, One Kendall Square, Bldg. 600, 3rd floor, Cambridge, MA 02139, USA
| | | |
Collapse
|
8
|
Seger C, Sturm S, Stuppner H, Butt TM, Strasser H. Combination of a new sample preparation strategy with an accelerated high-performance liquid chromatography assay with photodiode array and mass spectrometric detection for the determination of destruxins from Metarhizium anisopliae culture broth. J Chromatogr A 2004; 1061:35-43. [PMID: 15633742 DOI: 10.1016/j.chroma.2004.10.063] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
A method is presented allowing the qualitative and quantitative analysis of destruxins (dtxs) in fungal culture broth. Sample preparation was carried out by ultrafiltration over a commercially available acetylated cellulose (CTA) membrane with a Mr 10000 cut-off. The developed high-performance liquid chromatography assay with diode array detection (HPLC-DAD) cuts down the analysis time by 50% compared to most of the currently applied methods (retention times: dtx A = 8.3 min, dtx B = 8.9 min, dtx E= 7.5 min) and enables dtx detection down to sub-ppm range (limits of detection: dtx A = 0.19 mg/l, dtx B = 0.41 mg/l, dtx E = 0.10 mg/l). Stability of dtx E in filtrated culture broth was found to be much lower than anticipated (half-life time = 64.5 +/- 1.7 h). Thus, the detoxification of this metabolite is an abiotic process. Coupling of the HPLC-DAD system to an ion trap mass spectrometer with an electrospray ionization source operating in the positive mode allowed identification of most dtxs encountered by utilizing multiple stage MS-MS experiments and retention time rules.
Collapse
Affiliation(s)
- Christoph Seger
- Institute of Pharmacy, Leopold Franzens University Innsbruck, Innrain 52, A-6020 Innsbruck, Austria.
| | | | | | | | | |
Collapse
|
9
|
Wolf C, Schaumlöffel D, Richarz AN, Prange A, Brätter P. CZE-ICP-MS separation of metallothioneins in human brain cytosols: comparability of electropherograms obtained from different sample matrices. Analyst 2003; 128:576-80. [PMID: 12866870 DOI: 10.1039/b300030n] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Capillary zone electrophoresis, with its high resolution capability in the separation of different compounds, is well suited for the investigation of metal-containing proteins, especially when elemental detection is conducted using hyphenated inductively coupled plasma-mass spectrometry. A major problem in the separation of proteins in body fluids is caused by the effects of different sample matrix composition. The migration time of proteins varies significantly, depending on the nature of the matrix. Electropherograms are consequently difficult to compare and the peak identification is uncertain. Pre-analytical steps for the reduction of matrix compounds enhance the quality of the data, but the results are still unsatisfactory. This paper describes a technique for obtaining electropherograms that can be used for comparison purposes by correction of the data with the aid of time markers. A mixture of five substances (caesium chloride, arsenocholine, arsenobetaine, dimethylarsinic acid and monomethylarsonic acid) was added in a separate injection step. Ionic caesium eluted at the start of the separation and the other four markers appeared throughout and at the end of the electropherogram. All electropherograms were normalized to a reference run by recalculation of the time axis using the time markers. The method was applied to the analysis of human brain cytosols. Samples were separated after different pre-treatment steps and were compared, with special emphasis on the detection of the isoform metallothionein-3.
Collapse
Affiliation(s)
- Christian Wolf
- Hahn-Meitner-lnstitut Berlin, Dept. SF6, Glienicker Str. 100, D-14109 Berlin, Germany.
| | | | | | | | | |
Collapse
|
10
|
Richarz AN, Wolf C, Brätter P. Determination of protein-bound trace elements in human cell cytosols of different organs and different pathological states. Analyst 2003; 128:640-5. [PMID: 12866881 DOI: 10.1039/b300299n] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In the human body, there exists over 200 different cell types, which differ in size and structure and have specialised functions in the organism. Therefore it can be assumed that these different cells also contain different proteins necessary to carry out the respective specialised functions. This supposed different metalloprotein composition in different human organs cannot be demonstrated by determination of total element concentrations. Therefore investigations of the different protein-bound forms of the elements were achieved by speciation analysis: The biomolecules were separated by size exclusion chromatography and the elements detected on-line in the eluate by a hyphenated inductively coupled plasma mass spectrometer (ICP-MS). For the interpretation of the obtained element profiles, an identification of the signals and their assignment to different metalloproteins was necessary. This identification was carried out by means of specific protein assays, i.e. enzymatic assays or immunochemical reactions, in collected fractions of the chromatographic separations. A comparison of the element binding pattern in cytosols of different human organs was then possible. The optimised method was applied to tissue cytosols of different human organs. As expected, the element patterns varied for different organs of the same patient and for the same organ of patients with different diseases. Metalloproteins and their bound metals could consequently be considered as biological markers for physiological differences or pathological changes in human tissues.
Collapse
Affiliation(s)
- Andrea-Nicole Richarz
- Hahn-Meitner-Institut Berlin, Dept. SF6, Glienicker Str. 100, D-14109 Berlin, Germany.
| | | | | |
Collapse
|