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Strotton M, Hosogane T, di Michiel M, Moch H, Varga Z, Bodenmiller B. Multielement Z-tag imaging by X-ray fluorescence microscopy for next-generation multiplex imaging. Nat Methods 2023; 20:1310-1322. [PMID: 37653120 PMCID: PMC10482696 DOI: 10.1038/s41592-023-01977-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2022] [Accepted: 07/05/2023] [Indexed: 09/02/2023]
Abstract
Rapid, highly multiplexed, nondestructive imaging that spans the molecular to the supra-cellular scale would be a powerful tool for tissue analysis. However, the physical constraints of established imaging methods limit the simultaneous improvement of these parameters. Whole-organism to atomic-level imaging is possible with tissue-penetrant, picometer-wavelength X-rays. To enable highly multiplexed X-ray imaging, we developed multielement Z-tag X-ray fluorescence (MEZ-XRF) that can operate at kHz speeds when combined with signal amplification by exchange reaction (SABER)-amplified Z-tag reagents. We demonstrated parallel imaging of 20 Z-tag or SABER Z-tag reagents at subcellular resolution in cell lines and multiple human tissues. We benchmarked MEZ-XRF against imaging mass cytometry and demonstrated the nondestructive multiscale repeat imaging capabilities of MEZ-XRF with rapid tissue overview scans, followed by slower, more sensitive imaging of low-abundance markers such as immune checkpoint proteins. The unique multiscale, nondestructive nature of MEZ-XRF, combined with SABER Z-tags for high sensitivity or enhanced speed, enables highly multiplexed bioimaging across biological scales.
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Affiliation(s)
- Merrick Strotton
- Department of Quantitative Biomedicine, University of Zurich, Zurich, Switzerland.
- Institute for Molecular Health Sciences, ETH Zurich, Zurich, Switzerland.
| | - Tsuyoshi Hosogane
- Department of Quantitative Biomedicine, University of Zurich, Zurich, Switzerland
- Institute for Molecular Health Sciences, ETH Zurich, Zurich, Switzerland
- Life Science Zurich Graduate School, ETH Zurich and University of Zurich, Zurich, Switzerland
| | | | - Holger Moch
- Department of Pathology and Molecular Pathology, University Hospital Zurich, Zurich, Switzerland
| | - Zsuzsanna Varga
- Department of Pathology and Molecular Pathology, University Hospital Zurich, Zurich, Switzerland
| | - Bernd Bodenmiller
- Department of Quantitative Biomedicine, University of Zurich, Zurich, Switzerland.
- Institute for Molecular Health Sciences, ETH Zurich, Zurich, Switzerland.
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2
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Shabani L, Abbasi M, Azarnew Z, Amani AM, Vaez A. Neuro-nanotechnology: diagnostic and therapeutic nano-based strategies in applied neuroscience. Biomed Eng Online 2023; 22:1. [PMID: 36593487 PMCID: PMC9809121 DOI: 10.1186/s12938-022-01062-y] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2021] [Accepted: 12/23/2022] [Indexed: 01/03/2023] Open
Abstract
Artificial, de-novo manufactured materials (with controlled nano-sized characteristics) have been progressively used by neuroscientists during the last several decades. The introduction of novel implantable bioelectronics interfaces that are better suited to their biological targets is one example of an innovation that has emerged as a result of advanced nanostructures and implantable bioelectronics interfaces, which has increased the potential of prostheses and neural interfaces. The unique physical-chemical properties of nanoparticles have also facilitated the development of novel imaging instruments for advanced laboratory systems, as well as intelligently manufactured scaffolds and microelectrodes and other technologies designed to increase our understanding of neural tissue processes. The incorporation of nanotechnology into physiology and cell biology enables the tailoring of molecular interactions. This involves unique interactions with neurons and glial cells in neuroscience. Technology solutions intended to effectively interact with neuronal cells, improved molecular-based diagnostic techniques, biomaterials and hybridized compounds utilized for neural regeneration, neuroprotection, and targeted delivery of medicines as well as small chemicals across the blood-brain barrier are all purposes of the present article.
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Affiliation(s)
- Leili Shabani
- grid.412571.40000 0000 8819 4698Department of Emergency Medicine, School of Medicine, Namazi Teaching Hospital, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Milad Abbasi
- grid.412571.40000 0000 8819 4698Department of Medical Nanotechnology, School of Advanced Medical Sciences and Technologies, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Zeynab Azarnew
- grid.412571.40000 0000 8819 4698Department of Medical Nanotechnology, School of Advanced Medical Sciences and Technologies, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Ali Mohammad Amani
- grid.412571.40000 0000 8819 4698Department of Medical Nanotechnology, School of Advanced Medical Sciences and Technologies, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Ahmad Vaez
- grid.412571.40000 0000 8819 4698Department of Tissue Engineering and Applied Cell Sciences, School of Advanced Medical Sciences and Technologies, Shiraz University of Medical Sciences, Shiraz, Iran
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3
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Victor-Lovelace TW, Miller LM. The development and use of metal-based probes for X-ray fluorescence microscopy. METALLOMICS : INTEGRATED BIOMETAL SCIENCE 2022; 14:6852953. [PMID: 36537552 DOI: 10.1093/mtomcs/mfac093] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Accepted: 11/16/2022] [Indexed: 12/03/2022]
Abstract
X-ray fluorescence microscopy (XFM) has become a widely used technique for imaging the concentration and distribution of metal ions in cells and tissues. Recent advances in synchrotron sources, optics, and detectors have improved the spatial resolution of the technique to <10 nm with attogram detection sensitivity. However, to make XFM most beneficial for bioimaging-especially at the nanoscale-the metal ion distribution must be visualized within the subcellular context of the cell. Over the years, a number of approaches have been taken to develop X-ray-sensitive tags that permit the visualization of specific organelles or proteins using XFM. In this review, we examine the types of X-ray fluorophore used, including nanomaterials and metal ions, and the approaches used to incorporate the metal into their target binding site via antibodies, genetically encoded metal-binding peptides, affinity labeling, or cell-specific peptides. We evaluate their advantages and disadvantages, review the scientific findings, and discuss the needs for future development.
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Affiliation(s)
| | - Lisa M Miller
- N ational Synchrotron Light Source II, Brookhaven National Laboratory, Upton, NY 11973,USA.,Department of Chemistry, Stony Brook University, Stony Brook, NY 11794,USA
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4
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Bazin D, Foy E, Reguer S, Rouzière S, Fayard B, Colboc H, Haymann JP, Daudon M, Mocuta C. The crucial contribution of X-ray fluorescence spectroscopy in medicine. CR CHIM 2022. [DOI: 10.5802/crchim.103] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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5
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Yemets A, Plokhovska S, Pushkarova N, Blume Y. Quantum Dot-Antibody Conjugates for Immunofluorescence Studies of Biomolecules and Subcellular Structures. J Fluoresc 2022; 32:1713-1723. [PMID: 35670918 DOI: 10.1007/s10895-022-02968-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Accepted: 05/05/2022] [Indexed: 01/14/2023]
Abstract
Quantum dots, or nanoscale semiconductors, are one of the most important materials for various research and development purposes. Due to their advantageous photoluminescence and electronic properties, namely, their unique photostability, high brightness, narrow emission spectra from visible to near-infrared wavelengths, convey them significant advantages over widely used fluorochromes, including organic dyes, fluorescent probes. Quantum dots are a unique instrument for a wide range of immunoassays with antibodies. The paper provides an overview of the developed and already applied methods of quantum dot surface modification, quantum dots conjugation to different antibodies (non-covalent, direct covalent linkage or with the use of special adapter molecules), as well as practical examples of recent quantum dot-antibody applications in the immunofluorescence microscopy for cell and cell structure imaging, fluorescent assays for biomolecules detection and in diagnostics of various diseases. The review presents advantages of quantum dot-antibody conjugation technology over the existing methods of immunofluorescence studies and a forward look into its potential prospects in biological and biomedical research.
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Affiliation(s)
- Alla Yemets
- Institute of Food Biotechnology and Genomics, National Academy of Sciences of Ukraine, Osypovskogo str., 2a, 04123, Kyiv, Ukraine.
| | - Svitlana Plokhovska
- Institute of Food Biotechnology and Genomics, National Academy of Sciences of Ukraine, Osypovskogo str., 2a, 04123, Kyiv, Ukraine
| | - Nadia Pushkarova
- Institute of Food Biotechnology and Genomics, National Academy of Sciences of Ukraine, Osypovskogo str., 2a, 04123, Kyiv, Ukraine
| | - Yaroslav Blume
- Institute of Food Biotechnology and Genomics, National Academy of Sciences of Ukraine, Osypovskogo str., 2a, 04123, Kyiv, Ukraine
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6
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Gräfenstein A, Rumancev C, Pollak R, Hämisch B, Galbierz V, Schroeder WH, Garrevoet J, Falkenberg G, Vöpel T, Huber K, Ebbinghaus S, Rosenhahn A. Spatial Distribution of Intracellular Ion Concentrations in Aggregate-Forming HeLa Cells Analyzed by μ-XRF Imaging. Chemistry 2022; 11:e202200024. [PMID: 35363437 PMCID: PMC8973254 DOI: 10.1002/open.202200024] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2022] [Revised: 02/25/2022] [Indexed: 12/21/2022]
Abstract
Protein aggregation is a hallmark of several severe neurodegenerative disorders such as Huntington's, Parkinson's, or Alzheimer's disease. Metal ions play a profound role in protein aggregation and altered metal‐ion homeostasis is associated with disease progression. Here we utilize μ‐X‐ray fluorescence imaging in combination with rapid freezing to resolve the elemental distribution of phosphorus, sulfur, potassium, and zinc in huntingtin exon‐1‐mYFP expressing HeLa cells. Using quantitative XRF analysis, we find a threefold increase in zinc and a 10‐fold enrichment of potassium that can be attributed to cellular stress response. While the averaged intracellular ion areal masses are significantly different in aggregate‐containing cells, a local intracellular analysis shows no different ion content at the location of intracellular inclusion bodies. The results are compared to corresponding experiments on HeLa cells forming pseudoisocyanine chloride aggregates. As those show similar results, changes in ion concentrations are not exclusively linked to huntingtin exon‐1 amyloid formation.
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Affiliation(s)
- Andreas Gräfenstein
- Analytical Chemistry - Biointerfaces, Ruhr University Bochum, 44801, Bochum, Germany
| | - Christoph Rumancev
- Analytical Chemistry - Biointerfaces, Ruhr University Bochum, 44801, Bochum, Germany
| | - Roland Pollak
- Institute of Physical and Theoretical Chemistry, TU Braunschweig, Rebenring 56, 38106, Braunschweig, Germany
| | - Benjamin Hämisch
- Physical Chemistry, University of Paderborn, 33098, Paderborn, Germany
| | - Vanessa Galbierz
- Deutsches Elektronen-Synchrotron DESY, Notkestrasse 85, Hamburg, Germany
| | - Walter H Schroeder
- Deutsches Elektronen-Synchrotron DESY, Notkestrasse 85, Hamburg, Germany.,Nanotech Consulting, Liblarer Strasse 8, 50321, Brühl, Germany
| | - Jan Garrevoet
- Deutsches Elektronen-Synchrotron DESY, Notkestrasse 85, Hamburg, Germany
| | - Gerald Falkenberg
- Deutsches Elektronen-Synchrotron DESY, Notkestrasse 85, Hamburg, Germany
| | - Tobias Vöpel
- Physical Chemistry II, Ruhr University Bochum, 44801, Bochum, Germany
| | - Klaus Huber
- Physical Chemistry, University of Paderborn, 33098, Paderborn, Germany
| | - Simon Ebbinghaus
- Institute of Physical and Theoretical Chemistry, TU Braunschweig, Rebenring 56, 38106, Braunschweig, Germany
| | - Axel Rosenhahn
- Analytical Chemistry - Biointerfaces, Ruhr University Bochum, 44801, Bochum, Germany
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7
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Micro x-ray fluorescence analysis of trace element distribution in frozen hydrated HeLa cells at the P06 beamline at Petra III. Biointerphases 2021; 16:011004. [PMID: 33706519 DOI: 10.1116/6.0000593] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
X-ray fluorescence analysis enables the study of trace element distributions in biological specimens. When this analysis is done under cryogenic conditions, cells are cryofixed as closely as possible to their natural physiological state, and the corresponding intracellular elemental densities can be analyzed. Details about the experimental setup used for analysis at the P06 beamline at Petra III, DESY and the used cryo-transfer system are described in this work. The system was applied to analyze the elemental distribution in single HeLa cells, a cell line frequently used in a wide range of biological applications. Cells adhered to silicon nitride substrates were cryoprotected within an amorphous ice matrix. Using a continuous scanning scheme and a KB x-ray focus, the distribution of elements in the cells was studied. We were able to image the intracellular potassium and zinc levels in HeLa cells as two key elements relevant for the physiology of cells.
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8
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De Samber B, De Rycke R, De Bruyne M, Kienhuis M, Sandblad L, Bohic S, Cloetens P, Urban C, Polerecky L, Vincze L. Effect of sample preparation techniques upon single cell chemical imaging: A practical comparison between synchrotron radiation based X-ray fluorescence (SR-XRF) and Nanoscopic Secondary Ion Mass Spectrometry (nano-SIMS). Anal Chim Acta 2020; 1106:22-32. [PMID: 32145852 DOI: 10.1016/j.aca.2020.01.054] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2019] [Revised: 01/16/2020] [Accepted: 01/23/2020] [Indexed: 02/06/2023]
Abstract
Analytical capabilities of Nanoscopic Secondary Ion Mass Spectrometry (nano-SIMS) and Synchrotron Radiation based X-ray Fluorescence (SR nano-XRF) techniques were compared for nanochemical imaging of polymorphonuclear human neutrophils (PMNs). PMNs were high pressure frozen (HPF), cryo-substituted, embedded in Spurr's resin and cut in thin sections (500 nm and 2 μm for both techniques resp.) Nano-SIMS enabled nanoscale mapping of isotopes of C, N, O, P and S, while SR based nano-XRF enabled trace level imaging of metals like Ca, Mn, Fe, Ni, Cu and Zn at a resolution of approx. 50 nm. The obtained elemental distributions were compared with those of whole, cryofrozen PMNs measured at the newly developed ID16A nano-imaging beamline at the European Synchrotron Radiation Facility (ESRF) in Grenoble, France. Similarities were observed for elements more tightly bound to the cell structure such as phosphorus and sulphur, while differences for mobile ions such as chlorine and potassium were more pronounced. Due to the observed elemental redistribution of mobile ions such as potassium and chlorine, elemental analysis of high pressure frozen (HPF), cryo-substituted and imbedded cells should be interpreted critically. Although decreasing analytical sensitivity occurs due to the presence of ice, analysis of cryofrozen cells - close to their native state - remains the golden standard. In general, we found nanoscale secondary ion mass spectrometry (nano-SIMS) and synchrotron radiation based nanoscopic X-ray fluorescence (SR nano-XRF) to be two supplementary alternatives for nanochemical imaging of single cells at the nanoscale.
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Affiliation(s)
- Björn De Samber
- Department of Chemistry, Ghent University, Ghent, Belgium; Imec - Vision Lab, University of Antwerp, Wilrijk, Belgium.
| | - Riet De Rycke
- Department for Biomedical Molecular Biology, Ghent University, Belgium and VIB Center for Inflammation Research, Ghent, Belgium; Ghent University Expertise Centre for Transmission Electron Microscopy and VIB Bio-Imaging Core, Ghent, Belgium
| | - Michiel De Bruyne
- Department for Biomedical Molecular Biology, Ghent University, Belgium and VIB Center for Inflammation Research, Ghent, Belgium; Ghent University Expertise Centre for Transmission Electron Microscopy and VIB Bio-Imaging Core, Ghent, Belgium
| | - Michiel Kienhuis
- Department of Earth Sciences - Geochemistry, Faculty of Geosciences, Utrecht University, the Netherlands
| | - Linda Sandblad
- Department of Molecular Biology, Umeå University, Umeå, Sweden
| | - Sylvain Bohic
- Inserm, UA07, Synchrotron Research for Biomedicine, Grenoble, France; European Synchrotron Radiation Facility, Grenoble, France
| | - Peter Cloetens
- European Synchrotron Radiation Facility, Grenoble, France
| | - Constantin Urban
- Department of Clinical Microbiology, Umeå University, Umeå, Sweden
| | - Lubos Polerecky
- Department of Earth Sciences - Geochemistry, Faculty of Geosciences, Utrecht University, the Netherlands
| | - Laszlo Vincze
- Department of Chemistry, Ghent University, Ghent, Belgium
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9
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Pascolo L, Venturin I, Gianoncelli A, Bortul R, Zito G, Giolo E, Salomé M, Bedolla DE, Altissimo M, Zweyer M, Ricci G. Light element distribution in fresh and frozen–thawed human ovarian tissues: a preliminary study. Reprod Biomed Online 2018; 37:153-162. [DOI: 10.1016/j.rbmo.2018.04.051] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2017] [Revised: 04/18/2018] [Accepted: 04/20/2018] [Indexed: 12/20/2022]
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10
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Hostachy S, Masuda M, Miki T, Hamachi I, Sagan S, Lequin O, Medjoubi K, Somogyi A, Delsuc N, Policar C. Graftable SCoMPIs enable the labeling and X-ray fluorescence imaging of proteins. Chem Sci 2018; 9:4483-4487. [PMID: 29896390 PMCID: PMC5958345 DOI: 10.1039/c8sc00886h] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2018] [Accepted: 04/13/2018] [Indexed: 11/21/2022] Open
Abstract
Bio-imaging techniques alternative to fluorescence microscopy are gaining increasing interest as complementary tools to visualize and analyze biological systems. Among them, X-ray fluorescence microspectroscopy provides information on the local content and distribution of heavy elements (Z ≥ 14) in cells or biological samples. In this context, similar tools to those developed for fluorescence microscopy are desired, including chemical probes or tags. In this work, we study rhenium complexes as a convenient and sensitive probe for X-ray fluorescence microspectroscopy. We demonstrate their ability to label and sense exogenously incubated or endogenous proteins inside cells.
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Affiliation(s)
- Sarah Hostachy
- Laboratoire des Biomolécules, LBM , Département de Chimie , École Normale Supérieure , PSL University , Sorbonne Université , CNRS , 75005 Paris , France .
| | - Marie Masuda
- Department of Synthetic Chemistry and Biological Chemistry , Graduate School of Engineering , Kyoto University , Kyoto 615-8510 , Japan
| | - Takayuki Miki
- Department of Synthetic Chemistry and Biological Chemistry , Graduate School of Engineering , Kyoto University , Kyoto 615-8510 , Japan
| | - Itaru Hamachi
- Department of Synthetic Chemistry and Biological Chemistry , Graduate School of Engineering , Kyoto University , Kyoto 615-8510 , Japan
| | - Sandrine Sagan
- Sorbonne Université , École Normale Supérieure , PSL University , CNRS , Laboratoire des Biomolécules, LBM , 75005 Paris , France
| | - Olivier Lequin
- Sorbonne Université , École Normale Supérieure , PSL University , CNRS , Laboratoire des Biomolécules, LBM , 75005 Paris , France
| | - Kadda Medjoubi
- Nanoscopium Synchrotron SOLEIL Saint-Aubin , 91192 , Gif-sur-Yvette Cedex , France
| | - Andrea Somogyi
- Nanoscopium Synchrotron SOLEIL Saint-Aubin , 91192 , Gif-sur-Yvette Cedex , France
| | - Nicolas Delsuc
- Laboratoire des Biomolécules, LBM , Département de Chimie , École Normale Supérieure , PSL University , Sorbonne Université , CNRS , 75005 Paris , France .
| | - Clotilde Policar
- Laboratoire des Biomolécules, LBM , Département de Chimie , École Normale Supérieure , PSL University , Sorbonne Université , CNRS , 75005 Paris , France .
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Li YF, Zhao J, Gao Y, Chen C, Chai Z. Advanced Nuclear and Related Techniques for Metallomics and Nanometallomics. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2018; 1055:213-243. [PMID: 29884967 DOI: 10.1007/978-3-319-90143-5_9] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Metallomics, focusing on the global and systematic understanding of the metal uptake, trafficking, role, and excretion in biological systems, has attracted more and more attention. Metal-related nanomaterials, including metallic and metal-containing nanomaterials, have unique properties compared to their macroscale counterparts and therefore require special attention. The absorption, distribution, metabolism, excretion (ADME) behavior of metal-related nanomaterials in the biological systems is influenced by their physicochemical properties, the exposure route, and the microenvironment of the deposition site. Nanomaterials not only may interact directly or indirectly with genes, proteins, and other molecules to bring genotoxicity, immunotoxicity, DNA damage, and cytotoxicity but may also stimulate the immune responses, circumvent tumor resistance, and inhibit tumor metastasis. Because of their advantages of absolute quantification, high sensitivity, excellent accuracy and precision, low matrix effects, and nondestructiveness, nuclear and related analytical techniques have been playing important roles in the study of metallomics and nanometallomics. In this chapter, we present a comprehensive overview of nuclear and related analytical techniques applied to the quantification of metallome and nanometallome, the biodistribution, bioaccumulation, and transformation of metallome and nanometallome in vivo, and the structural analysis. Besides, metallomics and nanometallomics need to cooperate with other -omics, like genomics, proteomics, and metabolomics, to obtain the knowledge of underlying mechanisms and therefore to improve the application performance and to reduce the potential risk of metallome and nanometallome.
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Affiliation(s)
- Yu-Feng Li
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, and Laboratory for Metallomic and Nanometallomics, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, China
| | - Jiating Zhao
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, and Laboratory for Metallomic and Nanometallomics, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, China
| | - Yuxi Gao
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, and Laboratory for Metallomic and Nanometallomics, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, China
| | - Chunying Chen
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, National Center for Nanoscience and Technology, Beijing, China
| | - Zhifang Chai
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, and Laboratory for Metallomic and Nanometallomics, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, China.
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12
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Dressler VL, Müller EI, Pozebon D. Bioimaging Metallomics. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2018; 1055:139-181. [DOI: 10.1007/978-3-319-90143-5_7] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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13
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Brown K, Thurn T, Xin L, Liu W, Bazak R, Chen S, Lai B, Vogt S, Jacobsen C, Paunesku T, Woloschak GE. Intracellular in situ labeling of TiO 2 nanoparticles for fluorescence microscopy detection. NANO RESEARCH 2018; 11:464-476. [PMID: 29541425 PMCID: PMC5846489 DOI: 10.1007/s12274-017-1654-8] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/18/2023]
Abstract
Titanium dioxide (TiO2) nanoparticles are produced for many different purposes, including development of therapeutic and diagnostic nanoparticles for cancer detection and treatment, drug delivery, induction of DNA double-strand breaks, and imaging of specific cells and subcellular structures. Currently, the use of optical microscopy, an imaging technique most accessible to biology and medical pathology, to detect TiO2 nanoparticles in cells and tissues ex vivo is limited with low detection limits, while more sensitive imaging methods (transmission electron microscopy, X-ray fluorescence microscopy, etc.) have low throughput and technical and operational complications. Herein, we describe two in situ post-treatment labeling approaches to stain TiO2 nanoparticles taken up by the cells. The first approach utilizes fluorescent biotin and fluorescent streptavidin to label the nanoparticles before and after cellular uptake; the second approach is based on the copper-catalyzed azide-alkyne cycloaddition, the so-called Click chemistry, for labeling and detection of azide-conjugated TiO2 nanoparticles with alkyne-conjugated fluorescent dyes such as Alexa Fluor 488. To confirm that optical fluorescence signals of these nanoparticles match the distribution of the Ti element, we used synchrotron X-ray fluorescence microscopy (XFM) at the Advanced Photon Source at Argonne National Laboratory. Titanium-specific XFM showed excellent overlap with the location of optical fluorescence detected by confocal microscopy. Therefore, future experiments with TiO2 nanoparticles may safely rely on confocal microscopy after in situ nanoparticle labeling using approaches described here.
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Affiliation(s)
- Koshonna Brown
- Department of Radiation Oncology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois 60611, USA
| | - Ted Thurn
- Department of Radiation Oncology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois 60611, USA
| | - Lun Xin
- Department of Radiation Oncology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois 60611, USA
| | - William Liu
- Department of Radiation Oncology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois 60611, USA
| | - Remon Bazak
- Department of Radiation Oncology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois 60611, USA
| | - Si Chen
- X-ray Science Division, Advanced Photon Source, Argonne National Laboratory, 9700 South Cass Avenue, Argonne, Illinois 60439, USA
| | - Barry Lai
- X-ray Science Division, Advanced Photon Source, Argonne National Laboratory, 9700 South Cass Avenue, Argonne, Illinois 60439, USA
| | - Stefan Vogt
- X-ray Science Division, Advanced Photon Source, Argonne National Laboratory, 9700 South Cass Avenue, Argonne, Illinois 60439, USA
| | - Chris Jacobsen
- Department of Physics & Astronomy, Weinberg College of Arts and Sciences, 2145 Sheridan Road, Evanston, Illinois 60208, USA
| | - Tatjana Paunesku
- Department of Radiation Oncology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois 60611, USA
| | - Gayle E Woloschak
- Department of Radiation Oncology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois 60611, USA
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14
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Yao J, Li L, Li P, Yang M. Quantum dots: from fluorescence to chemiluminescence, bioluminescence, electrochemiluminescence, and electrochemistry. NANOSCALE 2017; 9:13364-13383. [PMID: 28880034 DOI: 10.1039/c7nr05233b] [Citation(s) in RCA: 56] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
During the past decade, nanotechnology has become one of the major forces driving basic and applied research. As a novel class of inorganic fluorochromes, research into quantum dots (QDs) has become one of the fastest growing fields of nanotechnology today. QDs are made of a semiconductor material with tunable physical dimensions as well as unique optoelectronic properties, and have attracted multidisciplinary research efforts to further their potential bioanalytical applications. Recently, numerous optical properties of QDs, such as narrow emission band peaks, broad absorption spectra, intense signals, and remarkable resistance to photobleaching, have made them biocompatible and sensitive for biological assays. In this review, we give an overview of these exciting materials and describe their potential, especially in biomolecules analysis, including fluorescence detection, chemiluminescence detection, bioluminescence detection, electrochemiluminescence detection, and electrochemical detection. Finally, conclusions are made, including highlighting some critical challenges remaining and a perspective of how this field can be expected to develop in the future.
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Affiliation(s)
- Jun Yao
- College of Chemistry and Chemical Engineering, Southwest Petroleum University, Chengdu, Sichuan 610500, People's Republic of China.
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15
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Li H, Xiao Q, Lv J, Lei Q, Huang Y. Dopamine modified hyperbranched TiO 2 arrays based ultrasensitive photoelectrochemical immunosensor for detecting neuron specific enolase. Anal Biochem 2017; 531:48-55. [DOI: 10.1016/j.ab.2017.05.025] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2017] [Revised: 05/20/2017] [Accepted: 05/24/2017] [Indexed: 10/19/2022]
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16
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Zhu Y, Zhang J, Li A, Zhang Y, Fan C. Synchrotron-based X-ray microscopy for sub-100nm resolution cell imaging. Curr Opin Chem Biol 2017; 39:11-16. [PMID: 28521258 DOI: 10.1016/j.cbpa.2017.04.016] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2017] [Accepted: 04/23/2017] [Indexed: 12/27/2022]
Abstract
Microscopic imaging provides a straightforward approach to deepen our understanding of cellular events. While the resolution of optical microscopes is generally limited to 200-300nm due to the diffraction limit, there has been ever growing interest in studying cells at the sub-100nm regime. By exploiting the short wavelength, long penetration depth and elemental specificity of X-rays, synchrotron-based X-ray microscopy (XRM) has demonstrated its power in exploring the structure and function of cells at the nanometer resolution. Here we summarize recent advances in using XRM for imaging ultrastructure of organelles and specific biomolecular locations in cells, and provide a perspective on potentials and applications of XRM.
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Affiliation(s)
- Ying Zhu
- Division of Physical Biology & Bioimaging Center, Shanghai Synchrotron Radiation Facility, CAS Key Laboratory of Interfacial Physics and Technology, Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China
| | - Jichao Zhang
- Division of Physical Biology & Bioimaging Center, Shanghai Synchrotron Radiation Facility, CAS Key Laboratory of Interfacial Physics and Technology, Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China
| | - Aiguo Li
- Division of Physical Biology & Bioimaging Center, Shanghai Synchrotron Radiation Facility, CAS Key Laboratory of Interfacial Physics and Technology, Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China
| | - Yuanqing Zhang
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China.
| | - Chunhai Fan
- Division of Physical Biology & Bioimaging Center, Shanghai Synchrotron Radiation Facility, CAS Key Laboratory of Interfacial Physics and Technology, Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China; School of Life Science and Technology, Shanghai Tech University, Shanghai 201200, China.
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17
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Serpell CJ, Rutte RN, Geraki K, Pach E, Martincic M, Kierkowicz M, De Munari S, Wals K, Raj R, Ballesteros B, Tobias G, Anthony DC, Davis BG. Carbon nanotubes allow capture of krypton, barium and lead for multichannel biological X-ray fluorescence imaging. Nat Commun 2016; 7:13118. [PMID: 27782209 PMCID: PMC5095174 DOI: 10.1038/ncomms13118] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2016] [Accepted: 09/06/2016] [Indexed: 12/13/2022] Open
Abstract
The desire to study biology in situ has been aided by many imaging techniques. Among these, X-ray fluorescence (XRF) mapping permits observation of elemental distributions in a multichannel manner. However, XRF imaging is underused, in part, because of the difficulty in interpreting maps without an underlying cellular 'blueprint'; this could be supplied using contrast agents. Carbon nanotubes (CNTs) can be filled with a wide range of inorganic materials, and thus can be used as 'contrast agents' if biologically absent elements are encapsulated. Here we show that sealed single-walled CNTs filled with lead, barium and even krypton can be produced, and externally decorated with peptides to provide affinity for sub-cellular targets. The agents are able to highlight specific organelles in multiplexed XRF mapping, and are, in principle, a general and versatile tool for this, and other modes of biological imaging.
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Affiliation(s)
- Christopher J. Serpell
- Chemistry Research Laboratory, Department of Chemistry, University of Oxford, Mansfield Road, Oxford OX1 3TA, UK
- School of Physical Sciences, Ingram Building, University of Kent, Canterbury, Kent CT2 7NH, UK
| | - Reida N. Rutte
- Chemistry Research Laboratory, Department of Chemistry, University of Oxford, Mansfield Road, Oxford OX1 3TA, UK
| | - Kalotina Geraki
- Diamond Light Source, Harwell Science and Innovation Campus, Didcot OX11 0DE, UK
| | - Elzbieta Pach
- Catalan Institute of Nanoscience and Nanotechnology (ICN2), CSIC and The Barcelona Institute of Science and Technology, Campus UAB, Bellaterra, 08193 Barcelona, Spain
| | - Markus Martincic
- Institut de Ciència de Materials de Barcelona (ICMAB-CSIC), Campus de la UAB, Bellaterra, 08193 Barcelona, Spain
| | - Magdalena Kierkowicz
- Institut de Ciència de Materials de Barcelona (ICMAB-CSIC), Campus de la UAB, Bellaterra, 08193 Barcelona, Spain
| | - Sonia De Munari
- Chemistry Research Laboratory, Department of Chemistry, University of Oxford, Mansfield Road, Oxford OX1 3TA, UK
| | - Kim Wals
- Chemistry Research Laboratory, Department of Chemistry, University of Oxford, Mansfield Road, Oxford OX1 3TA, UK
- Department of Pharmacology, University of Oxford, Mansfield Road, Oxford OX1 3QT, UK
| | - Ritu Raj
- Chemistry Research Laboratory, Department of Chemistry, University of Oxford, Mansfield Road, Oxford OX1 3TA, UK
| | - Belén Ballesteros
- Catalan Institute of Nanoscience and Nanotechnology (ICN2), CSIC and The Barcelona Institute of Science and Technology, Campus UAB, Bellaterra, 08193 Barcelona, Spain
| | - Gerard Tobias
- Institut de Ciència de Materials de Barcelona (ICMAB-CSIC), Campus de la UAB, Bellaterra, 08193 Barcelona, Spain
| | - Daniel C. Anthony
- Department of Pharmacology, University of Oxford, Mansfield Road, Oxford OX1 3QT, UK
| | - Benjamin G. Davis
- Chemistry Research Laboratory, Department of Chemistry, University of Oxford, Mansfield Road, Oxford OX1 3TA, UK
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18
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Jin Q, Paunesku T, Lai B, Gleber SC, Chen SI, Finney L, Vine D, Vogt S, Woloschak G, Jacobsen C. Preserving elemental content in adherent mammalian cells for analysis by synchrotron-based x-ray fluorescence microscopy. J Microsc 2016; 265:81-93. [PMID: 27580164 PMCID: PMC5217071 DOI: 10.1111/jmi.12466] [Citation(s) in RCA: 67] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2016] [Revised: 07/11/2016] [Accepted: 08/02/2016] [Indexed: 01/20/2023]
Abstract
Trace metals play important roles in biological function, and x-ray fluorescence microscopy (XFM) provides a way to quantitatively image their distribution within cells. The faithfulness of these measurements is dependent on proper sample preparation. Using mouse embryonic fibroblast NIH/3T3 cells as an example, we compare various approaches to the preparation of adherent mammalian cells for XFM imaging under ambient temperature. Direct side-by-side comparison shows that plunge-freezing-based cryoimmobilization provides more faithful preservation than conventional chemical fixation for most biologically important elements including P, S, Cl, K, Fe, Cu, Zn and possibly Ca in adherent mammalian cells. Although cells rinsed with fresh media had a great deal of extracellular background signal for Cl and Ca, this approach maintained cells at the best possible physiological status before rapid freezing and it does not interfere with XFM analysis of other elements. If chemical fixation has to be chosen, the combination of 3% paraformaldehyde and 1.5 % glutaraldehyde preserves S, Fe, Cu and Zn better than either fixative alone. When chemically fixed cells were subjected to a variety of dehydration processes, air drying was proved to be more suitable than other drying methods such as graded ethanol dehydration and freeze drying. This first detailed comparison for x-ray fluorescence microscopy shows how detailed quantitative conclusions can be affected by the choice of cell preparation method.
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Affiliation(s)
- Qiaoling Jin
- Department of Physics & Astronomy, Weinberg College of Arts and Sciences, Evanston, Illinois, U.S.A
| | - Tatjana Paunesku
- Department of Radiation Oncology, Northwestern University, Chicago, Illinois, U.S.A
| | - Barry Lai
- Advanced Photon Source, Argonne National Laboratory, Argonne, Illinois, U.S.A
| | | | - S I Chen
- Advanced Photon Source, Argonne National Laboratory, Argonne, Illinois, U.S.A
| | - Lydia Finney
- Advanced Photon Source, Argonne National Laboratory, Argonne, Illinois, U.S.A
| | - David Vine
- Advanced Photon Source, Argonne National Laboratory, Argonne, Illinois, U.S.A
| | - Stefan Vogt
- Advanced Photon Source, Argonne National Laboratory, Argonne, Illinois, U.S.A
| | - Gayle Woloschak
- Department of Radiation Oncology, Northwestern University, Chicago, Illinois, U.S.A
| | - Chris Jacobsen
- Department of Physics & Astronomy, Weinberg College of Arts and Sciences, Evanston, Illinois, U.S.A.,Advanced Photon Source, Argonne National Laboratory, Argonne, Illinois, U.S.A
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19
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Imaging trace element distributions in single organelles and subcellular features. Sci Rep 2016; 6:21437. [PMID: 26911251 PMCID: PMC4766485 DOI: 10.1038/srep21437] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2014] [Accepted: 01/15/2016] [Indexed: 12/30/2022] Open
Abstract
The distributions of chemical elements within cells are of prime importance in a wide range of basic and applied biochemical research. An example is the role of the subcellular Zn distribution in Zn homeostasis in insulin producing pancreatic beta cells and the development of type 2 diabetes mellitus. We combined transmission electron microscopy with micro- and nano-synchrotron X-ray fluorescence to image unequivocally for the first time, to the best of our knowledge, the natural elemental distributions, including those of trace elements, in single organelles and other subcellular features. Detected elements include Cl, K, Ca, Co, Ni, Cu, Zn and Cd (which some cells were supplemented with). Cell samples were prepared by a technique that minimally affects the natural elemental concentrations and distributions, and without using fluorescent indicators. It could likely be applied to all cell types and provide new biochemical insights at the single organelle level not available from organelle population level studies.
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20
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Pascolo L, Borelli V, Canzonieri V, Gianoncelli A, Birarda G, Bedolla DE, Salomé M, Vaccari L, Calligaro C, Cotte M, Hesse B, Luisi F, Zabucchi G, Melato M, Rizzardi C. Differential protein folding and chemical changes in lung tissues exposed to asbestos or particulates. Sci Rep 2015; 5:12129. [PMID: 26159651 PMCID: PMC4498377 DOI: 10.1038/srep12129] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2015] [Accepted: 06/16/2015] [Indexed: 11/25/2022] Open
Abstract
Environmental and occupational inhalants may induce a large number of pulmonary diseases, with asbestos exposure being the most risky. The mechanisms are clearly related to chemical composition and physical and surface properties of materials. A combination of X-ray fluorescence (μXRF) and Fourier Transform InfraRed (μFTIR) microscopy was used to chemically characterize and compare asbestos bodies versus environmental particulates (anthracosis) in lung tissues from asbestos exposed and control patients. μXRF analyses revealed heterogeneously aggregated particles in the anthracotic structures, containing mainly Si, K, Al and Fe. Both asbestos and particulates alter lung iron homeostasis, with a more marked effect in asbestos exposure. μFTIR analyses revealed abundant proteins on asbestos bodies but not on anthracotic particles. Most importantly, the analyses demonstrated that the asbestos coating proteins contain high levels of β-sheet structures. The occurrence of conformational changes in the proteic component of the asbestos coating provides new insights into long-term asbestos effects.
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Affiliation(s)
- Lorella Pascolo
- Institute for Maternal and Child Health, IRCCS Burlo Garofolo, Trieste, Italy
| | | | - Vincenzo Canzonieri
- Division of Pathology, CRO Centro di Riferimento Oncologico, National Cancer Institute, IRCCS, Aviano (PN) Italy
| | | | - Giovanni Birarda
- Elettra - Sincrotrone Trieste, Trieste, Italy
- Lawrence Berkeley National Laboratory, Berkeley, CA, USA
| | - Diana E. Bedolla
- Elettra - Sincrotrone Trieste, Trieste, Italy
- Physics Department, University of Trieste, Trieste, Italy
| | - Murielle Salomé
- European Synchrotron Radiation Facility, Grenoble Cedex 9, France
| | | | - Carla Calligaro
- Servizio Diagnostica Veterinaria, University of Udine, Italy
| | - Marine Cotte
- European Synchrotron Radiation Facility, Grenoble Cedex 9, France
| | - Bernhard Hesse
- European Synchrotron Radiation Facility, Grenoble Cedex 9, France
| | | | | | - Mauro Melato
- Institute for Maternal and Child Health, IRCCS Burlo Garofolo, Trieste, Italy
| | - Clara Rizzardi
- Department of Medical, Surgical, and Health Sciences, University of Trieste, Italy
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21
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Finney LA, Jin Q. Preparing adherent cells for X-ray fluorescence imaging by chemical fixation. J Vis Exp 2015:52370. [PMID: 25867691 PMCID: PMC4401319 DOI: 10.3791/52370] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
X-ray fluorescence imaging allows us to non-destructively measure the spatial distribution and concentration of multiple elements simultaneously over large or small sample areas. It has been applied in many areas of science, including materials science, geoscience, studying works of cultural heritage, and in chemical biology. In the case of chemical biology, for example, visualizing the metal distributions within cells allows us to study both naturally-occurring metal ions in the cells, as well as exogenously-introduced metals such as drugs and nanoparticles. Due to the fully hydrated nature of nearly all biological samples, cryo-fixation followed by imaging under cryogenic temperature represents the ideal imaging modality currently available. However, under the circumstances that such a combination is not easily accessible or practical, aldehyde based chemical fixation remains useful and sometimes inevitable. This article describes in as much detail as possible in the preparation of adherent mammalian cells by chemical fixation for X-ray fluorescent imaging.
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Affiliation(s)
- Lydia A Finney
- X-ray Science Division, Advanced Photon Source, Argonne National Laboratory;
| | - Qiaoling Jin
- Department of Physics and Astronomy, Northwestern University
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22
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Hu F, Zhang Y, Chen G, Li C, Wang Q. Double-walled Au nanocage/SiO2 nanorattles: integrating SERS imaging, drug delivery and photothermal therapy. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2015; 11:985-993. [PMID: 25348096 DOI: 10.1002/smll.201401360] [Citation(s) in RCA: 75] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/16/2014] [Revised: 09/04/2014] [Indexed: 06/04/2023]
Abstract
In this work, a novel type of nanomedical platform, the double-walled Au nanocage/SiO(2) nanorattle, is successfully fabricated by combining two "hollow-excavated strategies"--galvanic replacement and "surface-protected etching". The rational design of double-walled nanostructure based on gold nanocages (AuNCs) and hollow SiO(2) shells functionalized respectively with p-aminothiophenol (pATP) and Tat peptide simultaneously renders the nanoplatforms three functionalities: 1) the whole nanorattle serves as a high efficient drug carrier thanks to the structural characteristics of AuNC and SiO(2) shell with hollow interiors and porous walls; 2) the AuNC with large electromagnetic enhancement acts as a sensitive surface-enhanced Raman scattering (SERS) substrate to track the internalization process of the nanorattles by human MCF-7 breast cancer cells, as well as an efficient photothermal transducer for localized hyperthermia cancer therapy due to the strong near-infrared absorption; 3) Tat-functionalized SiO(2) shell not only improves biocompatibility and cell uptake efficiency resulting in enhanced anticancer efficacy but also prevents the AuNCs from aggregation and provides the stability of AuNCs so that the SERS signals can be used for cell tracking in high fidelity. The reported chemistry and the designed nanostructures should inspire more interesting nanostructures and applications.
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Affiliation(s)
- Feng Hu
- Key Laboratory of Nano-Bio Interface, Division of Nanobiomedicine and i-Lab, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou, 215123, China
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23
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Luchinat E, Gianoncelli A, Mello T, Galli A, Banci L. Combining in-cell NMR and X-ray fluorescence microscopy to reveal the intracellular maturation states of human superoxide dismutase 1. Chem Commun (Camb) 2015; 51:584-7. [DOI: 10.1039/c4cc08129c] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Combined in-cell NMR spectroscopy, X-ray fluorescence and optical fluorescence microscopies allow describing the intracellular maturation states of human SOD1.
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Affiliation(s)
- E. Luchinat
- Magnetic Resonance Center - CERM
- University of Florence
- Sesto Fiorentino
- Italy
- Department of Biomedical
| | - A. Gianoncelli
- Elettra-Sincrotrone Trieste
- Area Science Park
- Basovizza
- Italy
| | - T. Mello
- Department of Biomedical
- Clinical and Experimental Sciences
- University of Florence
- Florence
- Italy
| | - A. Galli
- Department of Biomedical
- Clinical and Experimental Sciences
- University of Florence
- Florence
- Italy
| | - L. Banci
- Magnetic Resonance Center - CERM
- University of Florence
- Sesto Fiorentino
- Italy
- Department of Chemistry
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24
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Zhu Y, Earnest T, Huang Q, Cai X, Wang Z, Wu Z, Fan C. Synchrotron-based X-ray-sensitive nanoprobes for cellular imaging. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2014; 26:7889-7895. [PMID: 24687860 DOI: 10.1002/adma.201304281] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/26/2013] [Revised: 01/20/2014] [Indexed: 06/03/2023]
Abstract
It is one of the ultimate goals in cell biology to understand the complex spatio-temporal interplay of biomolecules in the cellular context. To this end, there have been great efforts on the development of various probes to detect and localize specific biomolecules in cells with a variety of microscopic imaging techniques. In this Research News, we first summarize several types of microscopy for visualizing specific biomolecular targets. Then we focus on recent advances in the design of X-ray sensitive nanoprobes for applications in synchrotron-based cellular imaging. With the availability of advanced synchrotron techniques, there has been rapid progress toward high-resolution and multi-color X-ray imaging in cells with various types of functional nanoprobes.
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Affiliation(s)
- Ying Zhu
- Division of Physical Biology and Bioimaging Center, Shanghai Synchrotron Radiation Facility, Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai, 201800, China
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25
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Roudeau S, Carmona A, Perrin L, Ortega R. Correlative organelle fluorescence microscopy and synchrotron X-ray chemical element imaging in single cells. Anal Bioanal Chem 2014; 406:6979-91. [PMID: 25023971 DOI: 10.1007/s00216-014-8004-4] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2014] [Revised: 06/18/2014] [Accepted: 06/26/2014] [Indexed: 02/05/2023]
Abstract
X-ray chemical element imaging has the potential to enable fundamental breakthroughs in the understanding of biological systems because chemical element interactions with organelles can be studied at the sub-cellular level. What is the distribution of trace metals in cells? Do some elements accumulate within sub-cellular organelles? What are the chemical species of the elements in these organelles? These are some of the fundamental questions that can be addressed by use of X-ray chemical element imaging with synchrotron radiation beams. For precise location of the distribution of the elements, identification of cellular organelles is required; this can be achieved, after appropriate labelling, by use of fluorescence microscopy. As will be discussed, this approach imposes some limitations on sample preparation. For example, standard immunolabelling procedures strongly modify the distribution of the elements in cells as a result of the chemical fixation and permeabilization steps. Organelle location can, however, be performed, by use of a variety of specific fluorescent dyes or fluorescent proteins, on living cells before cryogenic fixation, enabling preservation of element distribution. This article reviews the methods used for fluorescent organelle labelling and X-ray chemical element imaging and speciation of single cells. Selected cases from our work and from other research groups are presented to illustrate the potential of the combination of the two techniques.
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Affiliation(s)
- Stéphane Roudeau
- University of Bordeaux, CNRS, CENBG, UMR 5797, 33170, Gradignan, France
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26
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Malucelli E, Iotti S, Gianoncelli A, Fratini M, Merolle L, Notargiacomo A, Marraccini C, Sargenti A, Cappadone C, Farruggia G, Bukreeva I, Lombardo M, Trombini C, Maier JA, Lagomarsino S. Quantitative chemical imaging of the intracellular spatial distribution of fundamental elements and light metals in single cells. Anal Chem 2014; 86:5108-15. [PMID: 24734900 DOI: 10.1021/ac5008909] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
We report a method that allows a complete quantitative characterization of whole single cells, assessing the total amount of carbon, nitrogen, oxygen, sodium, and magnesium and providing submicrometer maps of element molar concentration, cell density, mass, and volume. This approach allows quantifying elements down to 10(6) atoms/μm(3). This result was obtained by applying a multimodal fusion approach that combines synchrotron radiation microscopy techniques with off-line atomic force microscopy. The method proposed permits us to find the element concentration in addition to the mass fraction and provides a deeper and more complete knowledge of cell composition. We performed measurements on LoVo human colon cancer cells sensitive (LoVo-S) and resistant (LoVo-R) to doxorubicin. The comparison of LoVo-S and LoVo-R revealed different patterns in the maps of Mg concentration with higher values within the nucleus in LoVo-R and in the perinuclear region in LoVo-S cells. This feature was not so evident for the other elements, suggesting that Mg compartmentalization could be a significant trait of the drug-resistant cells.
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Affiliation(s)
- Emil Malucelli
- Department of Pharmacy and Biotechnology, University of Bologna , Bologna 40127, Italy
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27
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Fu G, Meng LJ, Eng P, Newville M, Vargas P, La Riviere P. Experimental demonstration of novel imaging geometries for x-ray fluorescence computed tomography. Med Phys 2014; 40:061903. [PMID: 23718594 DOI: 10.1118/1.4801907] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
PURPOSE X-ray fluorescence computed tomography (XFCT) is an emerging imaging modality that maps the three-dimensional distribution of elements, generally metals, in ex vivo specimens and potentially in living animals and humans. At present, it is generally performed at synchrotrons, taking advantage of the high flux of monochromatic x rays, but recent work has demonstrated the feasibility of using laboratory-based x-ray tube sources. In this paper, the authors report the development and experimental implementation of two novel imaging geometries for mapping of trace metals in biological samples with ∼50-500 μm spatial resolution. METHODS One of the new imaging approaches involves illuminating and scanning a single slice of the object and imaging each slice's x-ray fluorescent emissions using a position-sensitive detector and a pinhole collimator. The other involves illuminating a single line through the object and imaging the emissions using a position-sensitive detector and a slit collimator. They have implemented both of these using synchrotron radiation at the Advanced Photon Source. RESULTS The authors show that it is possible to achieve 250 eV energy resolution using an electron multiplying CCD operating in a quasiphoton-counting mode. Doing so allowed them to generate elemental images using both of the novel geometries for imaging of phantoms and, for the second geometry, an osmium-stained zebrafish. CONCLUSIONS The authors have demonstrated the feasibility of these two novel approaches to XFCT imaging. While they use synchrotron radiation in this demonstration, the geometries could readily be translated to laboratory systems based on tube sources.
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Affiliation(s)
- Geng Fu
- Department of Nuclear, Plasma, and Radiological Engineering, The University of Illinois Urbana-Champaign, Urbana, Illinois 61801, USA
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28
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Li YF, Gao Y, Chai Z, Chen C. Nanometallomics: an emerging field studying the biological effects of metal-related nanomaterials. Metallomics 2014; 6:220-32. [DOI: 10.1039/c3mt00316g] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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29
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Blaske F, Reifschneider O, Gosheger G, Wehe CA, Sperling M, Karst U, Hauschild G, Höll S. Elemental Bioimaging of Nanosilver-Coated Prostheses Using X-ray Fluorescence Spectroscopy and Laser Ablation-Inductively Coupled Plasma-Mass Spectrometry. Anal Chem 2013; 86:615-20. [DOI: 10.1021/ac4028577] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Franziska Blaske
- Institute of Inorganic
and Analytical Chemistry, University of Münster, Corrensstraße 28/30, 48149 Münster, Germany
| | - Olga Reifschneider
- Institute of Inorganic
and Analytical Chemistry, University of Münster, Corrensstraße 28/30, 48149 Münster, Germany
| | - Georg Gosheger
- Department
of Orthopedics and Tumor Orthopedics, University of Münster, Albert-Schweitzer-Straße
33, 48149 Münster, Germany
| | - Christoph A. Wehe
- Institute of Inorganic
and Analytical Chemistry, University of Münster, Corrensstraße 28/30, 48149 Münster, Germany
| | - Michael Sperling
- Institute of Inorganic
and Analytical Chemistry, University of Münster, Corrensstraße 28/30, 48149 Münster, Germany
- European Virtual Institute for Speciation Analysis (EVISA), Mendelstraße 11, 48149 Münster, Germany
| | - Uwe Karst
- Institute of Inorganic
and Analytical Chemistry, University of Münster, Corrensstraße 28/30, 48149 Münster, Germany
| | - Gregor Hauschild
- Department
of Orthopedics and Tumor Orthopedics, University of Münster, Albert-Schweitzer-Straße
33, 48149 Münster, Germany
| | - Steffen Höll
- Department
of Orthopedics and Tumor Orthopedics, University of Münster, Albert-Schweitzer-Straße
33, 48149 Münster, Germany
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30
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Wang L, Li J, Pan J, Jiang X, Ji Y, Li Y, Qu Y, Zhao Y, Wu X, Chen C. Revealing the binding structure of the protein corona on gold nanorods using synchrotron radiation-based techniques: understanding the reduced damage in cell membranes. J Am Chem Soc 2013; 135:17359-68. [PMID: 24215358 DOI: 10.1021/ja406924v] [Citation(s) in RCA: 183] [Impact Index Per Article: 16.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Regarding the importance of the biological effects of nanomaterials, there is still limited knowledge about the binding structure and stability of the protein corona on nanomaterials and the subsequent impacts. Here we designed a hard serum albumin protein corona (BSA) on CTAB-coated gold nanorods (AuNRs) and captured the structure of protein adsorption using synchrotron radiation X-ray absorption spectroscopy, microbeam X-ray fluorescent spectroscopy, and circular dichroism in combination with molecular dynamics simulations. The protein adsorption is attributed to at least 12 Au-S bonds and the stable corona reduced the cytotoxicity of CTAB/AuNRs. These combined strategies using physical, chemical, and biological approaches will improve our understanding of the protective effects of protein coronas against the toxicity of nanomaterials. These findings have shed light on a new strategy for studying interactions between proteins and nanomaterials, and this information will help further guide the rational design of nanomaterials for safe and effective biomedical applications.
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Affiliation(s)
- Liming Wang
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, National Center for Nanoscience and Technology of China and Institute of High Energy Physics , Beijing, China
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31
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Jeynes JCG, Jeynes C, Merchant MJ, Kirkby KJ. Measuring and modelling cell-to-cell variation in uptake of gold nanoparticles. Analyst 2013; 138:7070-4. [PMID: 24102065 DOI: 10.1039/c3an01406a] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The cell-to-cell variation of gold nanoparticle (GNP) uptake is important for therapeutic applications. We directly counted the GNPs in hundreds of individual cells, and showed that the large variation from cell-to-cell could be directly modelled by assuming log-normal distributions of both cell mass and GNP rate of uptake. This was true for GNPs non-specifically bound to fetal bovine serum or conjugated to a cell penetrating peptide. Within a population of cells, GNP content varied naturally by a factor greater than 10 between individual cells.
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Vogt S, Ralle M. Opportunities in multidimensional trace metal imaging: taking copper-associated disease research to the next level. Anal Bioanal Chem 2013; 405:1809-20. [PMID: 23079951 PMCID: PMC3566297 DOI: 10.1007/s00216-012-6437-1] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2012] [Revised: 09/07/2012] [Accepted: 09/18/2012] [Indexed: 01/09/2023]
Abstract
Copper plays an important role in numerous biological processes across all living systems predominantly because of its versatile redox behavior. Cellular copper homeostasis is tightly regulated and disturbances lead to severe disorders such as Wilson disease and Menkes disease. Age-related changes of copper metabolism have been implicated in other neurodegenerative disorders such as Alzheimer disease. The role of copper in these diseases has been a topic of mostly bioinorganic research efforts for more than a decade, metal-protein interactions have been characterized, and cellular copper pathways have been described. Despite these efforts, crucial aspects of how copper is associated with Alzheimer disease, for example, are still only poorly understood. To take metal-related disease research to the next level, emerging multidimensional imaging techniques are now revealing the copper metallome as the basis to better understand disease mechanisms. This review describes how recent advances in X-ray fluorescence microscopy and fluorescent copper probes have started to contribute to this field, specifically in Wilson disease and Alzheimer disease. It furthermore provides an overview of current developments and future applications in X-ray microscopic methods.
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Affiliation(s)
- Stefan Vogt
- X-ray Science Division, Advanced Photon Source, Argonne National Laboratory, 9700 S. Cass Avenue, Argonne, IL 60439
| | - Martina Ralle
- Department of Biochemistry and Molecular Biology, Oregon Health & Science University, 3181 SW Sam Jackson Park Rd, Portland, OR 97239
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Xu F, Helfen L, Suhonen H, Elgrabli D, Bayat S, Reischig P, Baumbach T, Cloetens P. Correlative nanoscale 3D imaging of structure and composition in extended objects. PLoS One 2012. [PMID: 23185554 PMCID: PMC3501479 DOI: 10.1371/journal.pone.0050124] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
Structure and composition at the nanoscale determine the behavior of biological systems and engineered materials. The drive to understand and control this behavior has placed strong demands on developing methods for high resolution imaging. In general, the improvement of three-dimensional (3D) resolution is accomplished by tightening constraints: reduced manageable specimen sizes, decreasing analyzable volumes, degrading contrasts, and increasing sample preparation efforts. Aiming to overcome these limitations, we present a non-destructive and multiple-contrast imaging technique, using principles of X-ray laminography, thus generalizing tomography towards laterally extended objects. We retain advantages that are usually restricted to 2D microscopic imaging, such as scanning of large areas and subsequent zooming-in towards a region of interest at the highest possible resolution. Our technique permits correlating the 3D structure and the elemental distribution yielding a high sensitivity to variations of the electron density via coherent imaging and to local trace element quantification through X-ray fluorescence. We demonstrate the method by imaging a lithographic nanostructure and an aluminum alloy. Analyzing a biological system, we visualize in lung tissue the subcellular response to toxic stress after exposure to nanotubes. We show that most of the nanotubes are trapped inside alveolar macrophages, while a small portion of the nanotubes has crossed the barrier to the cellular space of the alveolar wall. In general, our method is non-destructive and can be combined with different sample environmental or loading conditions. We therefore anticipate that correlative X-ray nano-laminography will enable a variety of in situ and in operando 3D studies.
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Affiliation(s)
- Feng Xu
- Institute for Synchrotron Radiation, Karlsruhe Institute of Technology, Eggenstein-Leopoldshafen, Germany.
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Le Naour F, Sandt C, Peng C, Trcera N, Chiappini F, Flank AM, Guettier C, Dumas P. In situ chemical composition analysis of cirrhosis by combining synchrotron fourier transform infrared and synchrotron X-ray fluorescence microspectroscopies on the same tissue section. Anal Chem 2012; 84:10260-6. [PMID: 23121424 DOI: 10.1021/ac302072t] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Liver is subject to various chronic pathologies, progressively leading to cirrhosis, which is associated with an increased risk of hepatocellular carcinoma. There is an urgent need for diagnostic and prognostic markers of chronic liver diseases and liver cancer. Spectroscopy-based approaches can provide an overview of the chemical composition of a tissue sample offering the possibility of investigating in depth the subtle chemical changes associated with pathological states. In this study, we have addressed the composition of cirrhotic liver tissue by combining synchrotron Fourier transform infrared (FTIR) microspectroscopy and synchrotron micro-X-ray fluorescence (XRF) on the same tissue section using a single sample holder in copper. This allowed investigation of the in situ biochemical as well as elemental composition of cells and tissues at high spatial resolution. Cirrhosis is characterized by regeneration nodules surrounded by annular fibrosis. Hepatocytes within cirrhotic nodules were characterized by high content in esters and sugars as well as in phosphorus and iron compared with fibrotic septa. A high heterogeneity was observed between cirrhotic nodules in their content in sugars and iron. On fibrosis, synchrotron XRF revealed enrichment in calcium compared to cirrhotic hepatocytes. Careful scrutiny of tissue sections led to detection of the presence of microcrystals that were demonstrated as precipitates of calcite using synchrotron FTIR. These results demonstrated that synchrotron FTIR and synchrotron XRF microspectroscopies provide complementary information on the chemical composition of cirrhotic hepatocytes and fibrotic septa in cirrhosis.
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Bohic S, Cotte M, Salomé M, Fayard B, Kuehbacher M, Cloetens P, Martinez-Criado G, Tucoulou R, Susini J. Biomedical applications of the ESRF synchrotron-based microspectroscopy platform. J Struct Biol 2012; 177:248-58. [DOI: 10.1016/j.jsb.2011.12.006] [Citation(s) in RCA: 78] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2011] [Revised: 12/02/2011] [Accepted: 12/05/2011] [Indexed: 01/30/2023]
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Martínez-Criado G, Tucoulou R, Cloetens P, Bleuet P, Bohic S, Cauzid J, Kieffer I, Kosior E, Labouré S, Petitgirard S, Rack A, Sans JA, Segura-Ruiz J, Suhonen H, Susini J, Villanova J. Status of the hard X-ray microprobe beamline ID22 of the European Synchrotron Radiation Facility. JOURNAL OF SYNCHROTRON RADIATION 2012; 19:10-18. [PMID: 22186639 DOI: 10.1107/s090904951104249x] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/27/2011] [Accepted: 10/13/2011] [Indexed: 05/31/2023]
Abstract
The ESRF synchrotron beamline ID22, dedicated to hard X-ray microanalysis and consisting of the combination of X-ray fluorescence, X-ray absorption spectroscopy, diffraction and 2D/3D X-ray imaging techniques, is one of the most versatile instruments in hard X-ray microscopy science. This paper describes the present beamline characteristics, recent technical developments, as well as a few scientific examples from recent years of the beamline operation. The upgrade plans to adapt the beamline to the growing needs of the user community are briefly discussed.
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Affiliation(s)
- Gema Martínez-Criado
- European Synchrotron Radiation Facility, Experiments Division, Grenoble, France.
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37
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Delfino R, Altissimo M, Menk RH, Alberti R, Klatka T, Frizzi T, Longoni A, Salomè M, Tromba G, Arfelli F, Clai M, Vaccari L, Lorusso V, Tiribelli C, Pascolo L. X-ray fluorescence elemental mapping and microscopy to follow hepatic disposition of a Gd-based magnetic resonance imaging contrast agent. Clin Exp Pharmacol Physiol 2011; 38:834-45. [DOI: 10.1111/j.1440-1681.2011.05618.x] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Li YF, Chen C. Fate and toxicity of metallic and metal-containing nanoparticles for biomedical applications. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2011; 7:2965-80. [PMID: 21932238 DOI: 10.1002/smll.201101059] [Citation(s) in RCA: 139] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/30/2011] [Indexed: 05/09/2023]
Abstract
It is important to obtain a better understanding of the uptake, trafficking, pharmacokinetics, clearance, and role of nanomaterials in biological systems, so that their possible undesirable effects can be avoided. A number of metallic or metal-containing nanomaterials, such as gold nanoparticles and nanorods, quantum dots, iron oxides nanoparticles, and endohedral metallofullerenes, have already been or will soon become very promising for biomedical applications. This review presents a summary of currently available data on the fate and toxicity of these metallic or metal-containing nanoparticles based on animal studies. Several issues regarding the nanotoxicity assessment and future directions on the study of the fate of these nanoparticles are also proposed.
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Affiliation(s)
- Yu-Feng Li
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety and CAS Key Laboratory of Nuclear Analytical Techniques, Institute of High Energy Physics, Chinese Academy of Sciences, China
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Marmorato P, Ceccone G, Gianoncelli A, Pascolo L, Ponti J, Rossi F, Salomé M, Kaulich B, Kiskinova M. Cellular distribution and degradation of cobalt ferrite nanoparticles in Balb/3T3 mouse fibroblasts. Toxicol Lett 2011; 207:128-36. [DOI: 10.1016/j.toxlet.2011.08.026] [Citation(s) in RCA: 81] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2011] [Revised: 08/30/2011] [Accepted: 08/31/2011] [Indexed: 01/15/2023]
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40
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James SA, Myers DE, de Jonge MD, Vogt S, Ryan CG, Sexton BA, Hoobin P, Paterson D, Howard DL, Mayo SC, Altissimo M, Moorhead GF, Wilkins SW. Quantitative comparison of preparation methodologies for X-ray fluorescence microscopy of brain tissue. Anal Bioanal Chem 2011; 401:853-64. [PMID: 21533642 DOI: 10.1007/s00216-011-4978-3] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2011] [Revised: 03/29/2011] [Accepted: 04/02/2011] [Indexed: 11/26/2022]
Abstract
X-ray fluorescence microscopy (XFM) facilitates high-sensitivity quantitative imaging of trace metals at high spatial resolution over large sample areas and can be applied to a diverse range of biological samples. Accurate determination of elemental content from recorded spectra requires proper calibration of the XFM instrument under the relevant operating conditions. Here, we describe the manufacture, characterization, and utilization of multi-element thin-film reference foils for use in calibration of XFM measurements of biological and other specimens. We have used these internal standards to assess the two-dimensional distribution of trace metals in a thin tissue section of a rat hippocampus. The data used in this study was acquired at the XFM beamline of the Australian Synchrotron using a new 384-element array detector (Maia) and at beamline 2-ID-E at the Advanced Photon Source. Post-processing of samples by different fixation techniques was investigated, with the conclusion that differences in solvent type and sample handling can significantly alter elemental content. The present study highlights the quantitative capability, high statistical power, and versatility of the XFM technique for mapping trace metals in biological samples, e.g., brain tissue samples in order to help understand neurological processes, especially when implemented in conjunction with a high-performance detector such as Maia.
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Affiliation(s)
- Simon A James
- Materials Science and Engineering and the Preventative Health Flagship, CSIRO, Gate 5, Normanby Road (Private Bag 33, Clayton South 3169), Clayton, VIC 3168, Australia.
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41
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Crossley EL, Aitken JB, Vogt S, Harris HH, Rendina LM. Uptake and Distribution of a Platinum(II)-Carborane Complex Within a Tumour Cell Using Synchrotron XRF Imaging. Aust J Chem 2011. [DOI: 10.1071/ch10453] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Treatment of A549 human lung carcinoma cells with a DNA metallointercalator complex containing a PtII-terpy (terpy = 2,2′:6′,2′′-terpyridine) unit linked to a functionalized closo-carborane cage results in the uptake of the complex within the cells, as determined by synchrotron X-ray fluorescence (XRF) imaging. Although a significant cellular uptake of Pt existed, there was no significant accumulation of the element within the cell nuclei. Other statistically significant changes from the XRF data included an increase in Cl, K, and Cu and a decrease in Fe within the treated cells.
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Lewis DJ, Bruce C, Bohic S, Cloetens P, Hammond SP, Arbon D, Blair-Reid S, Pikramenou Z, Kysela B. Intracellular synchrotron nanoimaging and DNA damage/genotoxicity screening of novel lanthanide-coated nanovectors. Nanomedicine (Lond) 2010; 5:1547-57. [PMID: 20879836 DOI: 10.2217/nnm.10.96] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
AIMS In cancer therapy, research has focused on the development of nanocarriers that can aid diagnosis, deliver therapeutic agents and monitor treatment progress. This study introduces high-resolution synchrotron x-ray fluorescence microscopy (SR-XFM) to investigate intracellular localization of novel lanthanide-coated nanoparticles in human cells and their genotoxicity screening after internalization. MATERIALS & METHODS Noble metal nanoparticles coated with cerium and luminescent europium complexes have been developed as platforms for bioimaging and potential biodelivery applications. The intracellular distribution after internalization has been analyzed by ultrasensitive SR-XFM and genotoxicity evaluated using γ-H2AX DNA damage foci phosphorylation assay. RESULTS We demonstrate the unprecedented capability of SR-XFM for extremely sensitive nanoimaging and intracellular elemental distribution analysis of noble metal nanoparticles in cells. Furthermore, we show that, depending on the charge of the coating complex and the presence of the DNA cargo, the internalization of functionalized nanoparticles by human fibroblasts can cause elevated levels of DNA damage detected by histone H2AX phosphorylation. CONCLUSION The variable genotoxic impact of newly designed nanovectors emphasizes the need for careful and comprehensive testing of biological responses of all new nanoconstructs intended for future clinical applications. This can be greatly facilitated by SR-XFM nanoimaging of nanoparticles in cells at very low concentrations.
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Affiliation(s)
- David J Lewis
- School of Chemistry, University of Birmingham, Edgbaston, Birmingham, UK
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Affiliation(s)
- Kouichi Tsuji
- Department of Applied Chemistry & Bioengineering, Graduate School of Engineering, Osaka City University, 3-3-138 Sugimoto, Sumiyoshi-ku, Osaka, 558-8585, Japan
| | - Kazuhiko Nakano
- Department of Applied Chemistry & Bioengineering, Graduate School of Engineering, Osaka City University, 3-3-138 Sugimoto, Sumiyoshi-ku, Osaka, 558-8585, Japan
| | - Yoshio Takahashi
- Department of Earth and Planetary Systems Science, Graduate School of Science, Hiroshima University, Higashi-Hiroshima, Hiroshima 739-8526, Japan
| | - Kouichi Hayashi
- Institute for Materials Research, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai, 980-8577, Japan
| | - Chul-Un Ro
- Department of Chemistry, Inha University, 253 Yonghyun-dong, Nam-gu, Inceon, 402-751, Korea
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Petibois C. Imaging methods for elemental, chemical, molecular, and morphological analyses of single cells. Anal Bioanal Chem 2010; 397:2051-65. [DOI: 10.1007/s00216-010-3618-7] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2009] [Revised: 02/22/2010] [Accepted: 02/24/2010] [Indexed: 10/19/2022]
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Becker JS, Zoriy M, Matusch A, Wu B, Salber D, Palm C, Becker JS. Bioimaging of metals by laser ablation inductively coupled plasma mass spectrometry (LA-ICP-MS). MASS SPECTROMETRY REVIEWS 2010; 29:156-75. [PMID: 19557838 DOI: 10.1002/mas.20239] [Citation(s) in RCA: 172] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/18/2023]
Abstract
The distribution analysis of (essential, beneficial, or toxic) metals (e.g., Cu, Fe, Zn, Pb, and others), metalloids, and non-metals in biological tissues is of key interest in life science. Over the past few years, the development and application of several imaging mass spectrometric techniques has been rapidly growing in biology and medicine. Especially, in brain research metalloproteins are in the focus of targeted therapy approaches of neurodegenerative diseases such as Alzheimer's and Parkinson's disease, or stroke, or tumor growth. Laser ablation inductively coupled plasma mass spectrometry (LA-ICP-MS) using double-focusing sector field (LA-ICP-SFMS) or quadrupole-based mass spectrometers (LA-ICP-QMS) has been successfully applied as a powerful imaging (mapping) technique to produce quantitative images of detailed regionally specific element distributions in thin tissue sections of human or rodent brain. Imaging LA-ICP-QMS was also applied to investigate metal distributions in plant and animal sections to study, for example, the uptake and transport of nutrient and toxic elements or environmental contamination. The combination of imaging LA-ICP-MS of metals with proteomic studies using biomolecular mass spectrometry identifies metal-containing proteins and also phosphoproteins. Metal-containing proteins were imaged in a two-dimensional gel after electrophoretic separation of proteins (SDS or Blue Native PAGE). Recent progress in LA-ICP-MS imaging as a stand-alone technique and in combination with MALDI/ESI-MS for selected life science applications is summarized.
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Affiliation(s)
- J Sabine Becker
- Central Division of Analytical Chemistry, Forschungszentrum Jülich, D-52425 Jülich, Germany.
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Lin MM, Kim HH, Kim H, Dobson J, Kim DK. Surface activation and targeting strategies of superparamagnetic iron oxide nanoparticles in cancer-oriented diagnosis and therapy. Nanomedicine (Lond) 2010; 5:109-33. [DOI: 10.2217/nnm.09.96] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
The advanced fabrication and surface engineering of superparamagnetic iron oxide nanoparticles (SPIONs) could offer excellent physiochemical features for noninvasive tumor imaging and drug delivery. The key issues of realization of maximized selective cancer targeting of SPIONs are minimization of uptake by macrophages, preferential binding to cancerous cells over neighboring normal cells, visualization of tumor cells prior to and after treatment and triggered drug release into target cells in a controlled fashion. In this article, we summarize the current status of fabrication of multifunctional SPION-based nanodevices specially designed for cancer-oriented diagnosis and therapy, with a focus on potential malignancy-targeting ligands’ identification and development as nanocarriers. A number of examples of passive and active targeting strategies – lymphoangiogenesis markers, cellular metabolite receptors, extracellular matrix component receptors, neuropeptide receptors and receptor-mediated bypass of the blood–brain barrier – are described in detail.
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Affiliation(s)
- Meng Meng Lin
- Institute for Science & Technology in Medicine, Keele University, Thornburrow Drive, Hartshill, Stoke-on-Trent, UK
| | - Hyung-Hwan Kim
- Vascular Medicine Research Unit, Brigham & Women’s Hospital, Harvard Medical School, Cambridge, MA 02139, USA
- International Research Center of Bioscience & Biotechnology, Jungwon University, Korea
| | - Hyuck Kim
- International Research Center of Bioscience & Biotechnology, Jungwon University, Korea
- Faculty of Herb Industry, Jungwon University, Korea
| | - Jon Dobson
- Institute for Science & Technology in Medicine, Keele University, Thornburrow Drive, Hartshill, Stoke-on-Trent, UK
| | - Do Kyung Kim
- Institute for Science & Technology in Medicine, Keele University, Thornburrow Drive, Hartshill, Stoke-on-Trent, UK
- International Research Center of Bioscience & Biotechnology, Jungwon University, Korea
- Electrum 229, Isafjordsgatan 22, Royal Institute of Technology (KTH), SE-16 440 Kista, Stockholm, Sweden
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Affiliation(s)
- Reagan McRae
- School of Chemistry and Biochemistry and Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, 901 Atlantic Drive, Atlanta, Georgia 30332
| | - Pritha Bagchi
- School of Chemistry and Biochemistry and Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, 901 Atlantic Drive, Atlanta, Georgia 30332
| | - S. Sumalekshmy
- School of Chemistry and Biochemistry and Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, 901 Atlantic Drive, Atlanta, Georgia 30332
| | - Christoph J. Fahrni
- School of Chemistry and Biochemistry and Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, 901 Atlantic Drive, Atlanta, Georgia 30332
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