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Calisi A, Giordano ME, Dondero F, Maisano M, Fasulo S, Lionetto MG. Morphological and functional alterations in hemocytes of Mytilus galloprovincialis exposed in high-impact anthropogenic sites. MARINE ENVIRONMENTAL RESEARCH 2023; 188:105988. [PMID: 37080092 DOI: 10.1016/j.marenvres.2023.105988] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Revised: 02/27/2023] [Accepted: 04/10/2023] [Indexed: 05/03/2023]
Abstract
The work aimed to study the induction of morphological alterations in M. galloprovincialis in the field and its suitability to be integrated into a sensitive, simple, and cost-effective cell-based multimarker approach for the detection of the stress status induced by pollution in coastal marine environments in view of ecotoxicological biomonitoring and assessment application. Cellular morphometric alterations was paralleled by the analysis of standardized biomarkers such as lysosomal membrane destabilization, and genotoxocity biomarkers such as micronuclei and binuclated cells frequencies were investigated. The study was carried out by means of a transplanting experiment in the field, using caged organisms from an initial population exposed in the field in two multi-impacted coastal sites of the central Mediterranean area, Bagnoli in the eastern Tyrrhenian Sea and Augusta-Melilli-Priolo in the western Ionian Sea. Capo Miseno (NA) for the Tyrrhenian area and Brucoli (ME) for the Ionian area were chosen as control sites. Hemocyte enlargement and filopodial elongation increased frequencies were observed in organisms exposed to the impacted sites. These morphometric alterations showed strong agreement with the lysosomal membrane destabilization and biomarkers of genotoxicity, suggesting their usefulness in detecting the pollutant-induced stress syndrome related to genotoxic damage.
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Affiliation(s)
- Antonio Calisi
- Department of Science and Technological Innovation, Università degli Studi del Piemonte Orientale-Vercelli, Novara, Alessandria, Viale Michel 11, 15121, Alessandria, Italy.
| | - Maria Elena Giordano
- Department of Biological and Environmental Science and Technologies, Universita del Salento, Via prov.le Lecce-Monteroni, 73100, Lecce, Italy.
| | - Francesco Dondero
- Department of Science and Technological Innovation, Università degli Studi del Piemonte Orientale-Vercelli, Novara, Alessandria, Viale Michel 11, 15121, Alessandria, Italy.
| | - Maria Maisano
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale Ferdinando Stagno d'Alcontres 31, 98166, Messina, Italy.
| | - Salvatore Fasulo
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale Ferdinando Stagno d'Alcontres 31, 98166, Messina, Italy.
| | - Maria Giulia Lionetto
- Department of Biological and Environmental Science and Technologies, Universita del Salento, Via prov.le Lecce-Monteroni, 73100, Lecce, Italy; NBFC, National Biodiversity Future Center, Palermo, 90133, Italy.
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Manjarres-Suarez A, Olivero-Verbel J. Hematological parameters and hair mercury levels in adolescents from the Colombian Caribbean. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:14216-14227. [PMID: 32043249 DOI: 10.1007/s11356-020-07738-z] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/09/2019] [Accepted: 01/14/2020] [Indexed: 06/10/2023]
Abstract
Mercury (Hg) is one of the heavy metals of concern for fish-eating populations. This pollutant can be released from many sources and generates diverse toxic effects in humans. The aim of this study was to evaluate hematological parameters and their relationship with total Hg (T-Hg) levels in the hair of adolescents from Tierrabomba, an island close to an industrialized area, and also from San Onofre, a reference site. Blood and hair samples were collected from 194 individuals, aged 11-18 years old, as well as sociodemographic and dietary information. The hematological profile showed marked differences between the two sites. Mean values for almost all variables of the red blood cell line, as well as lymphocyte percentage (LYM%) and monocyte percentage (MID%), were greater in Tierrabomba. In contrast, red cell distribution width (RDW), white blood cells (WBC), granulocyte percentage (GRA%), and plateletcrit (PTC) were higher at the reference site. Total Hg mean in Tierrabomba was 1.10 ± 0.07 μg/g, while at San Onofre, it was 1.87 ± 0.11 μg/g. In both places, more than 49% of participants had Hg concentrations over the limit threshold (1 μg/g). Overall mean corpuscular hemoglobin concentration (MCHC) and T-Hg showed a negative correlation (r = - 0.162, p = 0.024). However, positive associations were observed between T-Hg and MID% for Tierrabomba (r = 0.193, p = 0.041), and between T-Hg and mixed cells (MID) for the reference site (r = 0.223, p = 0.044). A significant relationship was found for fish consumption frequency and T-Hg levels (r = 0.360, p < 0.001). These results indicate blood parameters may be affected by Hg even at low-level exposure.
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Affiliation(s)
- Alejandra Manjarres-Suarez
- Environmental and Computational Chemistry Group, School of Pharmaceutical Sciences, Zaragocilla Campus, University of Cartagena, Cartagena, 130015, Colombia
| | - Jesus Olivero-Verbel
- Environmental and Computational Chemistry Group, School of Pharmaceutical Sciences, Zaragocilla Campus, University of Cartagena, Cartagena, 130015, Colombia.
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Naranjo-Gómez JS, Vargas-Rojas LF, Rondón-Barragán IS. Toxicidad aguda de cloruro de mercurio (HGCL2) en Cachama blanca; <i>Piaractus brachypomus</i> (Cuvier, 1818). ACTUALIDADES BIOLÓGICAS 2017. [DOI: 10.17533/udea.acbi.329220] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
La disposición inapropiada de sustancias que contienen mercurio puede causar toxicidad y acumulación en tejidos de peces. En el presente estudio se registra la concentración letal cincuenta (CL50) a 96 horas del mercurio para la cachama blanca [Piaractus brachypomus (Cuvier, 1818)]. Se calculó a través de una prueba semiestática de toxicidad aguda utilizando cloruro de mercurio (HgCl2) como fuente del metal. El experimento fue realizado en el Laboratorio de Toxicología de la Universidad del Tolima (Colombia), en condiciones controladas (28,09 ± 1,86 °C) y un fotoperiodo 12:12 (luz:oscuridad). Los alevinos (6,55 ± 1,3 g) fueron mantenidos en acuarios de vidrio con aireación constante, sin filtro y la alimentación fue suprimida 24 horas antes del inicio del experimento. Se emplearon 4 concentraciones de mercurio (Hg), con su respectiva replica, incluyendo un grupo control. Las concentraciones fueron: 0,45, 0,55, 0,65 y 0,75 mg Hg/l. Se realizó un análisis histopatológico con dos peces de cada tratamiento tomando muestras de branquias, cerebro y hígado. Los especímenes expuestos a las concentraciones más bajas (0,45 y 0,55 mg Hg/l) mostraron hiperactividad, a diferencia de los de las concentraciones más altas (0,65 y 0,75 mg Hg/l) los cuales evidenciaron disminución de su actividad. El análisis histopatológico mostró anomalías en branquias e hígado, como hiperplasia interlamelar y vaculizaciones lipídicas respectivamente, en respuesta a procesos de detoxificación. El valor de la CL50-96 h fue estimado utilizando el programa TSK (Trimmed-Spearman-Karber) y presentó un valor de 0,56 mg Hg/l. Este valor es cercano a lo registrado en otras especies de peces y representa el primer registro de toxicidad aguda para el mercurio en cachama blanca.
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Nguyen T, Toussaint J, Xue Y, Raval C, Cancel L, Russell S, Shou Y, Sedes O, Sun Y, Yakobov R, Tarbell JM, Jan KM, Rumschitzki DS. Aquaporin-1 facilitates pressure-driven water flow across the aortic endothelium. Am J Physiol Heart Circ Physiol 2015; 308:H1051-64. [PMID: 25659484 PMCID: PMC4551120 DOI: 10.1152/ajpheart.00499.2014] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/21/2014] [Accepted: 01/23/2015] [Indexed: 01/23/2023]
Abstract
Aquaporin-1, a ubiquitous water channel membrane protein, is a major contributor to cell membrane osmotic water permeability. Arteries are the physiological system where hydrostatic dominates osmotic pressure differences. In the present study, we show that the walls of large conduit arteries constitute the first example where hydrostatic pressure drives aquaporin-1-mediated transcellular/transendothelial flow. We studied cultured aortic endothelial cell monolayers and excised whole aortas of male Sprague-Dawley rats with intact and inhibited aquaporin-1 activity and with normal and knocked down aquaporin-1 expression. We subjected these systems to transmural hydrostatic pressure differences at zero osmotic pressure differences. Impaired aquaporin-1 endothelia consistently showed reduced engineering flow metrics (transendothelial water flux and hydraulic conductivity). In vitro experiments with tracers that only cross the endothelium paracellularly showed that changes in junctional transport cannot explain these reductions. Percent reductions in whole aortic wall hydraulic conductivity with either chemical blocking or knockdown of aquaporin-1 differed at low and high transmural pressures. This observation highlights how aquaporin-1 expression likely directly influences aortic wall mechanics by changing the critical transmural pressure at which its sparse subendothelial intima compresses. Such compression increases transwall flow resistance. Our endothelial and historic erythrocyte membrane aquaporin density estimates were consistent. In conclusion, aquaporin-1 significantly contributes to hydrostatic pressure-driven water transport across aortic endothelial monolayers, both in culture and in whole rat aortas. This transport, and parallel junctional flow, can dilute solutes that entered the wall paracellularly or through endothelial monolayer disruptions. Lower atherogenic precursor solute concentrations may slow their intimal entrainment kinetics.
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Affiliation(s)
- Tieuvi Nguyen
- Department of Biomedical Engineering, City College of the City University of New York, New York, New York
| | - Jimmy Toussaint
- Department of Chemical Engineering, City College of the City University of New York, New York, New York
| | - Yan Xue
- Department of Chemical Engineering, City College of the City University of New York, New York, New York; Biology Department, City College and GSUC of The City College of New York, New York, New York; and
| | - Chirag Raval
- Department of Biomedical Engineering, City College of the City University of New York, New York, New York
| | - Limary Cancel
- Department of Biomedical Engineering, City College of the City University of New York, New York, New York
| | - Stewart Russell
- Department of Biomedical Engineering, City College of the City University of New York, New York, New York
| | - Yixin Shou
- Department of Chemical Engineering, City College of the City University of New York, New York, New York
| | - Omer Sedes
- Department of Chemical Engineering, City College of the City University of New York, New York, New York
| | - Yu Sun
- Department of Chemical Engineering, City College of the City University of New York, New York, New York
| | - Roman Yakobov
- Department of Chemical Engineering, City College of the City University of New York, New York, New York
| | - John M Tarbell
- Department of Biomedical Engineering, City College of the City University of New York, New York, New York
| | - Kung-ming Jan
- Department of Medicine, College of Physicians and Surgeons of Columbia University, New York, New York
| | - David S Rumschitzki
- Department of Chemical Engineering, City College of the City University of New York, New York, New York; Biology Department, City College and GSUC of The City College of New York, New York, New York; and Department of Medicine, College of Physicians and Surgeons of Columbia University, New York, New York
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Intestinal transport of methylmercury and inorganic mercury in various models of Caco-2 and HT29-MTX cells. Toxicology 2013; 311:147-53. [PMID: 23793072 DOI: 10.1016/j.tox.2013.06.002] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2013] [Revised: 06/07/2013] [Accepted: 06/12/2013] [Indexed: 12/29/2022]
Abstract
Food is the main pathway of exposure to mercury for most of the population. In food, mercury is generally present as inorganic mercury [Hg(II)] or methylmercury [MeHg]. Both chemical forms have some degree of toxicity, especially MeHg, which is considered a powerful neurotoxicant during development and is classified as a possible human carcinogen. Since the main exposure pathway is oral, gastrointestinal absorption is a decisive step in the process by which mercury reaches the systemic circulation. However, there are few studies that characterize this absorption process. The present work evaluates transport and cellular retention of Hg(II) and MeHg, using various models of the intestinal epithelium (Caco-2 monocultures and Caco-2/HT29-MTX co-cultures in various proportions). Additionally, a study was made of the influence of the mucus secreted by HT29-MTX cells and of substances normally present in the gastrointestinal tract (l-cysteine, bile salts and food components) on mercury transport and accumulation. The results show that incorporation of HT29-MTX reduces the permeability coefficient of Hg(II) and MeHg. This decrease coincides with an increase in cellular accumulation, since mercury is retained in the layer of mucus secreted by HT29-MTX cells [Hg(II): 40%; MeHg: 70%]. The presence of l-cysteine, bile salts and food matrix components increases the percentage of both species that is not absorbed. It is noteworthy that in all the conditions assayed the intracellular accumulation of mercury was very high (37-77%). This study shows the importance of the cell model and assay conditions for an in vitro evaluation of intestinal transport of mercury species.
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Marusalin J, Matier BJ, Rheault MR, Donini A. Aquaporin homologs and water transport in the anal papillae of the larval mosquito, Aedes aegypti. J Comp Physiol B 2012; 182:1047-56. [DOI: 10.1007/s00360-012-0679-2] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2011] [Revised: 05/17/2012] [Accepted: 05/24/2012] [Indexed: 10/27/2022]
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Broniatowski M, Flasiński M, Dynarowicz-Ła̧tka P, Majewski J. Grazing Incidence Diffraction and X-ray Reflectivity Studies of the Interactions of Inorganic Mercury Salts with Membrane Lipids in Langmuir Monolayers at the Air/Water Interface. J Phys Chem B 2010; 114:9474-84. [DOI: 10.1021/jp101668n] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Marcin Broniatowski
- Faculty of Chemistry, Jagiellonian University, Ingardena 3, 30-060 Kraków, Poland and Lujan Neutron Scattering Center, Los Alamos National Laboratory, Los Alamos, New Mexico 87545
| | - Michał Flasiński
- Faculty of Chemistry, Jagiellonian University, Ingardena 3, 30-060 Kraków, Poland and Lujan Neutron Scattering Center, Los Alamos National Laboratory, Los Alamos, New Mexico 87545
| | - Patrycja Dynarowicz-Ła̧tka
- Faculty of Chemistry, Jagiellonian University, Ingardena 3, 30-060 Kraków, Poland and Lujan Neutron Scattering Center, Los Alamos National Laboratory, Los Alamos, New Mexico 87545
| | - Jarosław Majewski
- Faculty of Chemistry, Jagiellonian University, Ingardena 3, 30-060 Kraków, Poland and Lujan Neutron Scattering Center, Los Alamos National Laboratory, Los Alamos, New Mexico 87545
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Chapleau RR, Sagermann M. Real-time in vivo imaging of mercury uptake in Caenorhabditis elegans through the foodchain. Toxicology 2009; 261:136-42. [DOI: 10.1016/j.tox.2009.05.005] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2009] [Revised: 05/08/2009] [Accepted: 05/11/2009] [Indexed: 12/16/2022]
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Sodium-dependent activity of aquaporin-1 in rat glioma cells: a new mechanism of cell volume regulation. Pflugers Arch 2008; 457:1187-98. [DOI: 10.1007/s00424-008-0585-3] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2008] [Accepted: 08/23/2008] [Indexed: 10/21/2022]
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Ko SK, Yang YK, Tae J, Shin I. In Vivo Monitoring of Mercury Ions Using a Rhodamine-Based Molecular Probe. J Am Chem Soc 2006; 128:14150-5. [PMID: 17061899 DOI: 10.1021/ja065114a] [Citation(s) in RCA: 466] [Impact Index Per Article: 25.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Exposure to mercury causes severe damage to various tissues and organs in humans. Concern over mercury toxicity has encouraged the development of efficient, sensitive, and selective methods for the in vivo detection of mercury. Although a variety of chemosensors have been exploited for this purpose, no in vivo monitoring systems have been described to date. In this report, we describe an irreversible rhodamine chemosensor-based, real-time monitoring system to detect mercury ions in living cells and, in particular, vertebrate organisms. The chemosensor responds rapidly, irreversibly, and stoichiometrically to mercury ions in aqueous media at room temperature. The results of experiments with mammalian cells and zebrafish show that the mercury chemosensor is cell and organism permeable and that it responds selectively to mercury ions over other metal ions. In addition, real-time monitoring of mercury-ion uptake by cells and zebrafish using this chemosensor shows that saturation of mercury-ion uptake occurs within 20-30 min in cells and organisms. Finally, accumulation of mercury ions in zebrafish tissue and organs is readily detected by using this rhodamine-based chemosensor.
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Affiliation(s)
- Sung-Kyun Ko
- Department of Chemistry, Yonsei University, Seoul 120-749, Korea
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