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Pinto A, Roma-Rodrigues C, Ward JS, Puttreddy R, Rissanen K, Baptista PV, Fernandes AR, Lima JC, Rodríguez L. Aggregation versus Biological Activity in Gold(I) Complexes. An Unexplored Concept. Inorg Chem 2021; 60:18753-18763. [PMID: 34719915 DOI: 10.1021/acs.inorgchem.1c02359] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
The aggregation process of a series of mono- and dinuclear gold(I) complexes containing a 4-ethynylaniline ligand and a phosphane at the second coordination position (PR3-Au-C≡CC6H4-NH2, complexes 1-5, and (diphos)(Au-C≡CC6H4-NH2)2, complexes 6-8), whose biological activity was previously studied by us, has been carefully analyzed through absorption, emission, and NMR spectroscopy, together with dynamic light scattering and small-angle X-ray scattering. These experiments allow us to retrieve information about how the compounds enter the cells. It was observed that all compounds present aggregation in fresh solutions, before biological treatment, and thus they must be entering the cells as aggregates. Inductively coupled plasma atomic emission spectrometry measurements showed that mononuclear complexes are mainly found in the cytosolic fraction; the dinuclear complexes are mainly found in a subsequent fraction composed of nuclei and cytoskeleton. Additionally, dinuclear complex 8 affects the actin aggregation to a larger extent, suggesting a cooperative effect of dinuclear compounds.
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Affiliation(s)
- Andrea Pinto
- Departament de Química Inorgànica i Orgànica, Secció de Química Inorgànica, Universitat de Barcelona, Martí i Franquès 1-11, E-08028 Barcelona, Spain
- Institut de Nanociència i Nanotecnologia (IN2UB). Universitat de Barcelona, 08028 Barcelona, Spain
| | - Catarina Roma-Rodrigues
- UCIBIO─Applied Molecular Biosciences Unit, Department of Life Sciences, NOVA School of Science and Technology, NOVA University Lisbon, 2819-516 Caparica, Portugal
- Associate Laboratory i4HB, Institute for Health and Bioeconomy, NOVA School of Science and Technology, NOVA University Lisbon, 2819-516 Caparica, Portugal
| | - Jas S Ward
- Department of Chemistry, University of Jyvaskyla, P.O. Box 35, 40014 Jväskylä, Finland
| | - Rakesh Puttreddy
- Faculty of Engineering and Natural Sciences, Tampere University, P.O. Box 541, FI-33101 Tampere, Finland
| | - Kari Rissanen
- Department of Chemistry, University of Jyvaskyla, P.O. Box 35, 40014 Jväskylä, Finland
| | - Pedro V Baptista
- UCIBIO─Applied Molecular Biosciences Unit, Department of Life Sciences, NOVA School of Science and Technology, NOVA University Lisbon, 2819-516 Caparica, Portugal
- Associate Laboratory i4HB, Institute for Health and Bioeconomy, NOVA School of Science and Technology, NOVA University Lisbon, 2819-516 Caparica, Portugal
| | - Alexandra R Fernandes
- UCIBIO─Applied Molecular Biosciences Unit, Department of Life Sciences, NOVA School of Science and Technology, NOVA University Lisbon, 2819-516 Caparica, Portugal
- Associate Laboratory i4HB, Institute for Health and Bioeconomy, NOVA School of Science and Technology, NOVA University Lisbon, 2819-516 Caparica, Portugal
| | - João Carlos Lima
- LAQV-REQUIMTE, Departamento de Química, CQFB, Universidade Nova de Lisboa, 2825-152 Monte de Caparica, Portugal
| | - Laura Rodríguez
- Departament de Química Inorgànica i Orgànica, Secció de Química Inorgànica, Universitat de Barcelona, Martí i Franquès 1-11, E-08028 Barcelona, Spain
- Institut de Nanociència i Nanotecnologia (IN2UB). Universitat de Barcelona, 08028 Barcelona, Spain
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Regadío M, Riaño S, Binnemans K, Vander Hoogerstraete T. Direct Analysis of Metal Ions in Solutions with High Salt Concentrations by Total Reflection X-ray Fluorescence. Anal Chem 2017; 89:4595-4603. [DOI: 10.1021/acs.analchem.7b00097] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Mercedes Regadío
- Department of Chemistry, KU Leuven—University of Leuven, Celestijnenlaan 200F, 3001 Heverlee, Belgium
| | - Sofía Riaño
- Department of Chemistry, KU Leuven—University of Leuven, Celestijnenlaan 200F, 3001 Heverlee, Belgium
| | - Koen Binnemans
- Department of Chemistry, KU Leuven—University of Leuven, Celestijnenlaan 200F, 3001 Heverlee, Belgium
| | - Tom Vander Hoogerstraete
- Department of Chemistry, KU Leuven—University of Leuven, Celestijnenlaan 200F, 3001 Heverlee, Belgium
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Natali M, Zanella A, Rankovic A, Banas D, Cantaluppi C, Abbadie L, Lata JC. Assessment of trace metal air pollution in Paris using slurry-TXRF analysis on cemetery mosses. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2016; 23:23496-23510. [PMID: 27614637 DOI: 10.1007/s11356-016-7445-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/21/2016] [Accepted: 08/08/2016] [Indexed: 05/21/2023]
Abstract
Mosses are useful, ubiquitous accumulation biomonitors and as such can be used for biomonitoring surveys. However, the biomonitoring of atmospheric pollution can be compromised in urban contexts if the targeted biomonitors are regularly disturbed, irregularly distributed, or are difficult to access. Here, we test the hypothesis that cemeteries are appropriate moss sampling sites for the evaluation of air pollution in urban areas. We sampled mosses growing on gravestones in 21 urban and peri-urban cemeteries in the Paris metropolitan area. We focused on Grimmia pulvinata (Hedwig) Smith, a species abundantly found in all studied cemeteries and very common in Europe. The concentration of Al, As, Br, Ca, Ce, Cl, Cr, Cu, Fe, K, Mn, Ni, V, P, Pb, Rb, S, Sr, Ti, and Zn was determined by a total reflection X-ray fluorescence technique coupled with a slurry sampling method (slurry-TXRF). This method avoids a digestion step, reduces the risk of sample contamination, and works even at low sample quantities. Elemental markers of road traffic indicated that the highest polluted cemeteries were located near the highly frequented Parisian ring road and under the influence of prevailing winds. The sites with the lowest pollution were found not only in the peri-urban cemeteries, adjoining forest or farming landscapes, but also in the large and relatively wooded cemeteries located in the center of Paris. Our results suggest that (1) slurry-TXRF might be successfully used with moss material, (2) G. pulvinata might be a good biomonitor of trace metals air pollution in urban context, and (3) cemetery moss sampling could be a useful complement for monitoring urban areas. Graphical abstract We tested the hypothesis that cemeteries are appropriate moss sampling sites for the evaluation of air pollution in urban areas. We sampled 110 moss cushions (Grimmia pulvinata) growing on gravestones in 21 urban and peri-urban cemeteries in the Paris metropolitan area. The concentration of 20 elements in mosses was determined by a total reflection X-ray fluorescence technique coupled with a slurry sampling method. Statistical analysis revealed that: - Urbanized Parisian areas crossed by traffic roads have the highest polluted cemeteries with a strong influence of main wind direction on the distribution of air pollutants - As expected, small cemeteries with low tree density were heavily polluted - Less obvious, large green spaces such as large cemeteries (Père Lachaise, Montmartre, Montparnasse) in the center of a dense metropolis like Paris present the same level of atmospheric trace metal pollution as cemeteries in less urbanized areas or nearing a very large forest. This suggests that even in densely urbanized areas, there is more spatial variability in pollution distribution than usually assumed and that large urban areas with low traffic and green filters such as trees are likely to intercept air pollutants.
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Affiliation(s)
- Marco Natali
- Institute of Condensed Matter Chemistry and Technologies for Energy, ICMATE-CNR, 35127, Padova, Italy
| | - Augusto Zanella
- University of Padua, Agripolis, Department TESAF, Viale dell'Università, 16, Legnaro, 35020, Padova, Italy.
| | - Aleksandar Rankovic
- Sorbonne Universités, UPMC Univ Paris 06, CNRS, INRA, IRD, Univ Paris Diderot Paris 07, UPEC, UMR 7618, Institute of Ecology and Environmental Sciences - Paris, Tour 44-45, 4 place Jussieu, 75005, Paris, France
- Institute for Sustainable Development and International Relations, Sciences Po, 27 rue Saint Guillaume, F-75007, Paris, France
| | - Damien Banas
- UR AFPA - INRA, Université de Lorraine, Boulevard des Aiguillettes, Vandoeuvre-Lès-Nancy, France
| | - Chiara Cantaluppi
- Institute of Condensed Matter Chemistry and Technologies for Energy, ICMATE-CNR, 35127, Padova, Italy
| | - Luc Abbadie
- Sorbonne Universités, UPMC Univ Paris 06, CNRS, INRA, IRD, Univ Paris Diderot Paris 07, UPEC, UMR 7618, Institute of Ecology and Environmental Sciences - Paris, Tour 44-45, 4 place Jussieu, 75005, Paris, France
| | - Jean -Christophe Lata
- Sorbonne Universités, UPMC Univ Paris 06, CNRS, INRA, IRD, Univ Paris Diderot Paris 07, UPEC, UMR 7618, Institute of Ecology and Environmental Sciences - Paris, Tour 44-45, 4 place Jussieu, 75005, Paris, France
- Department of Geoecology and Geochemistry, Institute of Natural Resources, Tomsk Polytechnic University, Lenin Avenue, 30, 634050, Tomsk, Russia
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Crone B, Aschner M, Schwerdtle T, Karst U, Bornhorst J. Elemental bioimaging of Cisplatin in Caenorhabditis elegans by LA-ICP-MS. Metallomics 2016; 7:1189-95. [PMID: 25996669 DOI: 10.1039/c5mt00096c] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
cis-Diamminedichloroplatinum(II) (Cisplatin) is one of the most important and frequently used cytostatic drugs for the treatment of various solid tumors. Herein, a laser ablation-inductively coupled plasma-mass spectrometry (LA-ICP-MS) method incorporating a fast and simple sample preparation protocol was developed for the elemental mapping of Cisplatin in the model organism Caenorhabditis elegans (C. elegans). The method allows imaging of the spatially-resolved elemental distribution of platinum in the whole organism with respect to the anatomic structure in L4 stage worms at a lateral resolution of 5 μm. In addition, a dose- and time-dependent Cisplatin uptake was corroborated quantitatively by a total reflection X-ray fluorescence spectroscopy (TXRF) method, and the elemental mapping indicated that Cisplatin is located in the intestine and in the head of the worms. Better understanding of the distribution of Cisplatin in this well-established model organism will be instrumental in deciphering Cisplatin toxicity and pharmacokinetics. Since the cytostatic effect of Cisplatin is based on binding the DNA by forming intra- and interstrand crosslinks, the response of poly(ADP-ribose)metabolism enzyme 1 (pme-1) deletion mutants to Cisplatin was also examined. Loss of pme-1, which is the C. elegans ortholog of human poly(ADP-ribose) polymerase 1 (PARP-1) led to disturbed DNA damage response. With respect to survival and brood size, pme-1 deletion mutants were more sensitive to Cisplatin as compared to wildtype worms, while Cisplatin uptake was indistinguishable.
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Affiliation(s)
- Barbara Crone
- University of Münster, Institute of Inorganic and Analytical Chemistry, Corrensstraße 30, 48149 Münster, Germany
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