1
|
Campoy-Diaz AD, Malanga G, Giraud-Billoud M, Vega IA. Changes in the oxidative status and damage by non-essential elements in the digestive gland of the gastropod Pomacea canaliculata. Front Physiol 2023; 14:1123977. [PMID: 37035656 PMCID: PMC10073435 DOI: 10.3389/fphys.2023.1123977] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Accepted: 03/10/2023] [Indexed: 04/11/2023] Open
Abstract
The freshwater gastropod Pomacea canaliculata fulfills the ideal conditions of a bioindicator species since its digestive gland bioconcentrates elements toxic for human and ecosystems health. The aim of this work was to study the balance between production of free radicals and antioxidant defenses, and the generation of oxidative damage in the digestive gland of this mollusk after exposure (96 h) to three elements with differential affinities for functional biological groups: mercury (5.5 μg/L of Hg+2 as HgCl2), arsenic [500 μg/L of (AsO4)-3 as Na3AsO47H2O], or uranium [700 μg/L of (UO2)+2 as UO2(CH2COOH)2]. Bioconcentration factors of Hg, As, and U were 25, 23, and 53, respectively. Snails exhibited a sustained increase of reactive species (RS), and protein and lipid damage. Lipid radicals increased between 72 and 96 h, respectively, in snails exposed to U and Hg while this parameter changed early (24 h) in As- exposed snails. Snails showed protein damage, reaching maximum values at different endpoints. This redox disbalance was partially compensated by non-enzymatic antioxidant defenses α-tocopherol (α-T), β-carotene (β-C), uric acid, metallothionein (MTs). Snails consumed α-T and β-C in an element-dependent manner. The digestive gland consumed rapidly uric acid and this molecule was not recovered at 96 h. Digestive gland showed a significant increase in MTs after elemental exposure at different endpoints. The enzymatic antioxidant defenses, represented by the catalase and glutathione-S-transferase activities, seems to be not necessary for the early stages of the oxidative process by metals. This work is the first attempt to elucidate cellular mechanisms involved in the tolerance of this gastropod to non-essential elements. The bioconcentration factors and changes in the oxidative status and damage confirm that this species can be used as a bioindicator species of metal pollution in freshwater bodies.
Collapse
Affiliation(s)
- Alejandra D. Campoy-Diaz
- IHEM—CONICET, Universidad Nacional de Cuyo, Mendoza, Argentina
- Facultad de Ciencias Médicas, Instituto de Fisiología, Universidad Nacional de Cuyo, Mendoza, Argentina
- Departamento de Ciencias Básicas, Escuela de Ciencias de la Salud-Medicina, Universidad Nacional de Villa Mercedes, San Luis, Argentina
| | - Gabriela Malanga
- Facultad de Farmacia y Bioquímica, Fisicoquímica, Universidad de Buenos Aires, Buenos Aires, Argentina
- Instituto de Bioquímica y Medicina Molecular (IBIMOL), CONICET—Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Maximiliano Giraud-Billoud
- IHEM—CONICET, Universidad Nacional de Cuyo, Mendoza, Argentina
- Facultad de Ciencias Médicas, Instituto de Fisiología, Universidad Nacional de Cuyo, Mendoza, Argentina
- Departamento de Ciencias Básicas, Escuela de Ciencias de la Salud-Medicina, Universidad Nacional de Villa Mercedes, San Luis, Argentina
| | - Israel A. Vega
- IHEM—CONICET, Universidad Nacional de Cuyo, Mendoza, Argentina
- Facultad de Ciencias Médicas, Instituto de Fisiología, Universidad Nacional de Cuyo, Mendoza, Argentina
- Departamento de Biología, Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Cuyo, Mendoza, Argentina
- *Correspondence: Israel A. Vega, ,
| |
Collapse
|
2
|
Barathkumar S, Padhi RK, Parida PK, Marigoudar SR. In vivo appraisal of oxidative stress response, cell ultrastructural aberration and accumulation in Juvenile Scylla serrata exposed to uranium. CHEMOSPHERE 2022; 300:134561. [PMID: 35413368 DOI: 10.1016/j.chemosphere.2022.134561] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/19/2022] [Revised: 04/01/2022] [Accepted: 04/05/2022] [Indexed: 06/14/2023]
Abstract
In vivo studies were performed to evaluate the organ specific tissue accumulation and cellular toxicity of uranium to mud crab Scylla serrata. The specimens were acclimated in natural seawater and the exposure to 50-250 μg/L uranium was investigated up to 60 days. The present study examined the effects of concentration and duration of uranium exposure in the tissue of S. serrata at cellular and subcellular level using scanning electron microscopy and bright field transmission electron microscopy in addition to histological analysis. The results indicated that accumulation of U in S. serrata was organ specific and followed the order gills > hepatopancreas > muscle. The response of key antioxidant enzyme activities such as SOD, GPx and CAT in different organs of crabs indicated oxidative stress due to U in the ambient medium and tissue. At 50 and 100 μg/L of U exposure, individuals were able to acclimate the oxidative stress and withstand the uranium exposure. This acclimation could not be sustained at higher concentrations (250 μg/L), affecting the production of CAT in the tissues. Cellular and subcellular changes were observed in the hemocytes with reduction in their number in consonance with the antioxidant enzymes. Histological aberrations like lamellar disruption of gill, necrosis of hepatopancreas, disruption and rupture of muscle bundles were observed at different concentrations and were severe at higher concentration (250 μg/L). Necrosis was observed in the electron micrographs of tissues shortly after 15 days of exposure. SEM micrograph clearly shows disrupted lamellae, folding of marginal canal and reduction of inter lamellar spaces in the gills of crab exposed to high concentration of uranium. Mitochondrial anomalies are reported for the first time in the present study in addition to the subcellular changes and vacuoles on exposure uranium in the cells of gill and hepatopancreas.
Collapse
Affiliation(s)
- S Barathkumar
- National Centre for Coastal Research, Ministry of Earth Science, Chennai, Tamil Nadu, 600100, India; Indira Gandhi Centre for Atomic Research, Kalpakkam, Tamil Nadu, 603102, India
| | - R K Padhi
- Material Chemistry and Metal Fuel Cycle Group, Indira Gandhi Centre for Atomic Research, Kalpakkam, Tamil Nadu, 603102, India.
| | - P K Parida
- Metallurgy and Materials Group, Indira Gandhi Centre for Atomic Research, Kalpakkam, Tamil Nadu, 603102, India
| | - S R Marigoudar
- National Centre for Coastal Research, Ministry of Earth Science, Chennai, Tamil Nadu, 600100, India
| |
Collapse
|
3
|
Bergmann M, Sobral O, Pratas J, Graça MAS. Uranium toxicity to aquatic invertebrates: A laboratory assay. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2018; 239:359-366. [PMID: 29674214 DOI: 10.1016/j.envpol.2018.04.007] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/30/2017] [Revised: 03/24/2018] [Accepted: 04/02/2018] [Indexed: 06/08/2023]
Abstract
Uranium mining is an environmental concern because of runoff and the potential for toxic effects on the biota. To investigate uranium toxicity to freshwater invertebrates, we conducted a 96-h acute toxicity test to determine lethal concentrations (testing concentrations up to 262 mg L-1) for three stream invertebrates: a shredder caddisfly, Schizopelex festiva Rambur (Trichoptera, Sericostomatidae); a detritivorous isopod, Proasellus sp. (Isopoda, Asellidae); and a scraper gastropod, Theodoxus fluviatilis (Gastropoda, Neritidae). Next, we ran a chronic-toxicity test with the most tolerant species (S. festiva) to assess if uranium concentrations found in some local streams (up to 25 μg L-1) affect feeding, growth and respiration rates. Finally, we investigated whether S. festiva takes up uranium from the water and/or from ingested food. In the acute test, S. festiva survived in all uranium concentrations tested. LC50-96-h for Proasellus sp and T. fluviatilis were 142 mg L-1 and 24 mg L-1, respectively. Specimens of S. festiva exposed to 25 μg L-1 had 47% reduced growth compared with specimens under control conditions (21.5 ± 2.9 vs. 40.6 ± 4.9 μg of mass increase animal-1·day-1). Respiration rates (0.40 ± 0.03 μg O2·h-1·mg animal-1) and consumption rates (0.54 ± 0.05 μg μg animal-1·day-1; means ± SE) did not differ between treatments. Under laboratory conditions S. festiva accumulated uranium from both the water and the ingested food. Our results indicate that uranium can be less toxic than other metals or metalloids produced by mining activities. However, even at the low concentrations observed in streams affected by abandoned mines, uranium can impair physiological processes, is bioaccumulated, and is potentially transferred through food webs.
Collapse
Affiliation(s)
- Melissa Bergmann
- MARE, Marine and Environmental Sciences Centre, Department of Life Sciences, University of Coimbra, 3000-456 Coimbra, Portugal.
| | - Olimpia Sobral
- MARE, Marine and Environmental Sciences Centre, Department of Life Sciences, University of Coimbra, 3000-456 Coimbra, Portugal
| | - João Pratas
- MARE, Marine and Environmental Sciences Centre, Department of Earth Sciences, University of Coimbra, 3030-790 Coimbra, Portugal
| | - Manuel A S Graça
- MARE, Marine and Environmental Sciences Centre, Department of Life Sciences, University of Coimbra, 3000-456 Coimbra, Portugal
| |
Collapse
|
4
|
Bucher G, Mounicou S, Simon O, Floriani M, Lobinski R, Frelon S. Insights into the nature of uranium target proteins within zebrafish gills after chronic and acute waterborne exposures. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2016; 35:736-741. [PMID: 26379116 DOI: 10.1002/etc.3249] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/17/2015] [Revised: 05/21/2015] [Accepted: 09/06/2015] [Indexed: 06/05/2023]
Abstract
New data on the nature of the protein targets of uranium (U) within zebrafish gills were collected after waterborne exposure, with the aim of a better understanding of U toxicity mechanisms. Some common characteristics of the U protein target binding properties were found, such as their role in the regulation of other essential metals and their phosphorus content. In total, 21 potential protein targets, including hemoglobin, are identified and discussed in terms of the literature.
Collapse
Affiliation(s)
- Guillaume Bucher
- Institute of Radioprotection and Nuclear Safety/PRP-ENV/SERIS - Laboratoire de Biogéochimie, Biodisponibilité et Transferts des radionucléides, Saint Paul lès Durance, France
- Laboratory of Analytical, Bio-Inorganic, and Environmental Chemistry, Pau, France
| | - Sandra Mounicou
- Laboratory of Analytical, Bio-Inorganic, and Environmental Chemistry, Pau, France
| | - Olivier Simon
- Institute of Radioprotection and Nuclear Safety/PRP-ENV/SERIS - Laboratoire de Biogéochimie, Biodisponibilité et Transferts des radionucléides, Saint Paul lès Durance, France
| | - Magali Floriani
- Institute of Radioprotection and Nuclear Safety/PRP-ENV/SERIS - Laboratoire de Biogéochimie, Biodisponibilité et Transferts des radionucléides, Saint Paul lès Durance, France
| | - Ryszard Lobinski
- Laboratory of Analytical, Bio-Inorganic, and Environmental Chemistry, Pau, France
| | - Sandrine Frelon
- Institute of Radioprotection and Nuclear Safety/PRP-ENV/SERIS - Laboratoire de Biogéochimie, Biodisponibilité et Transferts des radionucléides, Saint Paul lès Durance, France
| |
Collapse
|
5
|
Song Y, Salbu B, Teien HC, Sørlie Heier L, Rosseland BO, Høgåsen T, Tollefsen KE. Hepatic transcriptomic profiling reveals early toxicological mechanisms of uranium in Atlantic salmon (Salmo salar). BMC Genomics 2014; 15:694. [PMID: 25145280 PMCID: PMC4148957 DOI: 10.1186/1471-2164-15-694] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2013] [Accepted: 08/11/2014] [Indexed: 02/04/2023] Open
Abstract
BACKGROUND Uranium (U) is a naturally occurring radionuclide that has been found in the aquatic environment due to anthropogenic activities. Exposure to U may pose risk to aquatic organisms due to its radiological and chemical toxicity. The present study aimed to characterize the chemical toxicity of U in Atlantic salmon (Salmo salar) using depleted uranium (DU) as a test model. The fish were exposed to three environmentally relevant concentrations of DU (0.25, 0.5 and 1.0 mg U/L) for 48 h. Hepatic transcriptional responses were studied using microarrays in combination with quantitative real-time reverse transcription polymerase chain reaction (qPCR). Plasma variables and chromosomal damages were also studied to link transcriptional responses to potential physiological changes at higher levels. RESULTS The microarray gene expression analysis identified 847, 891 and 766 differentially expressed genes (DEGs) in the liver of salmon after 48 h exposure to 0.25, 0.5 and 1.0 mg/L DU, respectively. These DEGs were associated with known gene ontology functions such as generation of precursor metabolites and energy, carbohydrate metabolic process and cellular homeostasis. The salmon DEGs were then mapped to mammalian orthologs and subjected to protein-protein network and pathway analysis. The results showed that various toxicity pathways involved in mitochondrial functions, oxidative stress, nuclear receptor signaling, organ damage were commonly affected by all DU concentrations. Eight genes representative of several key pathways were further verified using qPCR No significant formation of micronuclei in the red blood cells or alterations of plasma stress variables were identified. CONCLUSION The current study suggested that the mitochondrion may be a key target of U chemical toxicity in salmon. The induction of oxidative stress and uncoupling of oxidative phosphorylation may be two potential modes of action (MoA) of DU. These MoAs may subsequently lead to downstream events such as apoptosis, DNA repair, hypoxia signaling and immune response. The early toxicological mechanisms of U chemical toxicity in salmon has for the first time been systematically profiled. However, no other physiological changes were observed. Future efforts to link transcriptional responses to adverse effects have been outlined as important for understanding of potential risk to aquatic organisms.
Collapse
Affiliation(s)
- You Song
- Department of Environmental Sciences (IMV), Norwegian University of Life Sciences (NMBU), Faculty of Environmental Science and Technology, Centre for Environmental Radioactivity (CERAD), P,O, Box 5003, N-1432 Ås, Norway.
| | | | | | | | | | | | | |
Collapse
|
6
|
Galindo C, Del Nero M. Trace level uranyl complexation with phenylphosphonic acid in aqueous solution: direct speciation by high resolution mass spectrometry. Inorg Chem 2013; 52:4372-83. [PMID: 23527599 DOI: 10.1021/ic302494a] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The complexation of U(VI) by organic P-containing ligands in humic substances (HS) is an important issue of uranyl mobility in soil. We have investigated the complexation of uranyl by a model ligand for aromatic phosphorus functionalities in HS, phenylphosphonic acid, by using ultrahigh resolution electrospray ionization-mass spectrometry (ESI-MS). The high sensitivity permitted to investigate the complexation of trace level uranyl and to explore directly in the native aqueous solutions the nature of the uranyl-phenylphosphonate complexes. Positive identification of the complexes coexisting in solutions with low pH and varying ligand-to-metal ratio was achieved thanks to the high resolving power, high mass accuracy, and reliability of ion abundance of the technique. The positively charged and neutral uranyl species were detected simultaneously on negative ion mass spectra, evidencing formation of three types of U(VI)-phenylphosphonate complexes. Two complexes with a metal-to-ligand stoichiometry of 1:1 (in the monoprotonated and nonprotonated forms) existed in solutions at pH 3-5, and a 1:2 complex was additionally formed at relatively high ligand-to-metal ratio. A strategy based on the use of uranyl-phosphate solution complexes as internal standards was developed to determine from the ESI(-)MS results the stability constants of the complexes, which were calculated to be log K111 = 3.4 ± 0.2 for UO2(HPhPO3)(+), log K101 = 7.1 ± 0.1 for UO2PhPO3, and log K112 = 7.2 ± 0.2 for UO2(HPhPO3)2. The speciation model presented here suggests that organic P existing at low concentration in HS is involved significantly in binding by humic and fulvic acids of trace level uranyl in soil.
Collapse
Affiliation(s)
- Catherine Galindo
- Institut Pluridisciplinaire Hubert Curien, UMR 7178 CNRS/UdS, 23 rue du Loess, BP 28, 67037 Strasbourg Cedex 2, France.
| | | |
Collapse
|
7
|
Advances in the investigation of dioxouranium(VI) complexes of interest for natural fluids. Coord Chem Rev 2012. [DOI: 10.1016/j.ccr.2011.08.015] [Citation(s) in RCA: 68] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
|
8
|
Irandoust M, Daraei H, Joshaghani M, Gholivand K, Gholivand MB. 31P NMR study of the stoichiometry, stability and thermodynamics of new complexation between uranyl (II) nitrate and N-methyliminobis(methylenephosphonic acid) in two binary D2O–DMSO-d6 solvent mixtures. Polyhedron 2011. [DOI: 10.1016/j.poly.2010.10.004] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
|
9
|
Lerebours A, Adam-Guillermin C, Brèthes D, Frelon S, Floriani M, Camilleri V, Garnier-Laplace J, Bourdineaud JP. Mitochondrial energetic metabolism perturbations in skeletal muscles and brain of zebrafish (Danio rerio) exposed to low concentrations of waterborne uranium. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2010; 100:66-74. [PMID: 20701985 DOI: 10.1016/j.aquatox.2010.07.007] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/22/2010] [Revised: 06/29/2010] [Accepted: 07/05/2010] [Indexed: 05/29/2023]
Abstract
Anthropogenic release of uranium (U), originating from the nuclear fuel cycle or military activities, may considerably increase U concentrations in terrestrial and aquatic ecosystems above the naturally occurring background levels found throughout the environment. With a projected increase in the world-wide use of nuclear power, it is important to improve our understanding of the possible effects of this metal on the aquatic fauna at concentrations commensurate with the provisional drinking water guideline value of the World Health Organization (15 μg U/L). The present study has examined the mitochondrial function in brain and skeletal muscles of the zebrafish, Danio rerio, exposed to 30 and 100 μg/L of waterborne U for 10 and 28 days. At the lower concentration, the basal mitochondrial respiration rate was increased in brain at day 10 and in muscles at day 28. This is due to an increase of the inner mitochondrial membrane permeability, resulting in a decrease of the respiratory control ratio. In addition, levels of cytochrome c oxidase subunit IV (COX-IV) increased in brain at day 10, and those of COX-I increased in muscles at day 28. Histological analyses performed by transmission electron microscopy revealed an alteration of myofibrils and a dilatation of endomysium in muscle cells. These effects were largest at the lowest concentration, following 28 days of exposure.
Collapse
Affiliation(s)
- Adélaïde Lerebours
- Laboratoire de Radioécologie et d'Ecotoxicologie, Institut de Radioprotection et de Sûreté Nucléaire, Bât 186, BP 3, 13115 Saint-Paul-Lez-Durance Cedex, France
| | | | | | | | | | | | | | | |
Collapse
|
10
|
Dedieu A, Bérenguer F, Basset C, Prat O, Quéméneur E, Pible O, Vidaud C. Identification of uranyl binding proteins from human kidney-2 cell extracts by immobilized uranyl affinity chromatography and mass spectrometry. J Chromatogr A 2009; 1216:5365-76. [PMID: 19501829 DOI: 10.1016/j.chroma.2009.05.023] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2009] [Revised: 05/06/2009] [Accepted: 05/11/2009] [Indexed: 11/17/2022]
Abstract
To improve our knowledge on protein targets of uranyl ion (UO(2)(2+)), we set up a proteomic strategy based on immobilized metal-affinity chromatography (IMAC). The successful enrichment of UO(2)(2+)-interacting proteins from human kidney-2 (HK-2) soluble cell extracts was obtained using an ion-exchange chromatography followed by a dedicated IMAC process previously described and designed for the uranyl ion. By mass spectrometry analysis we identified 64 proteins displaying varied functions. The use of a computational screening algorithm along with the particular ligand-based properties of the UO(2)(2+) ion allowed the analysis and categorization of the protein collection. This profitable approach demonstrated that most of these proteins fulfill criteria which could rationalize their binding to the UO(2)(2+)-loaded phase. The obtained results enable us to focus on some targets for more in-depth studies and open new insights on its toxicity mechanisms at molecular level.
Collapse
|
11
|
Mohamed MMA. Complex formation reactions of lanthanum(III), cerium(III), thorium(IV), dioxouranyl(IV) complexes with tricine. ANNALI DI CHIMICA 2007; 97:759-70. [PMID: 17899888 DOI: 10.1002/adic.200790059] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/17/2023]
Abstract
Equilibrium studies for the heavy metal ions La(III), Ce(III), Th(IV) and UO2(IV) (M) complexes of the zwitterionic buffer tricine (L) in aqueous solution are investigated. Stoichiometry and stability constants for the different complexes formed as well as hydrolysis products of the metal cations are determined at 25 degrees C and ionic strength 0.1 M NaNO3. The stability of the formed complexes are discussed in terms of the nature of the heavy metal cation. The solid complexes are synthesized and characterized by means of elemental analysis, FTIR, and TG analysis. The general molecular formulae of the obtained complexes is suggested to be [M(L)2](NO3)n-2(H2O)x, where n = the charge of the metal cation, x = no. of water molecules.
Collapse
Affiliation(s)
- Mahmoud M A Mohamed
- Department of Sciences and Mathematics, New Valley-Faculty of Education, Assiut University, El-Kharga, New Valley, Egypt.
| |
Collapse
|
12
|
Critical evaluation of stability constants for nucleotide complexes with protons and metal ions and the accompanying enthalpy changes. PURE APPL CHEM 1991. [DOI: 10.1351/pac199163071015] [Citation(s) in RCA: 138] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
|