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Saeed MEM, Boulos JC, Machel K, Andabili N, Marouni T, Roth W, Efferth T. Expression of the Stem Cell Marker ABCB5 in Normal and Tumor Tissues. In Vivo 2022; 36:1651-1666. [PMID: 35738589 DOI: 10.21873/invivo.12877] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Revised: 04/05/2022] [Accepted: 04/12/2022] [Indexed: 12/17/2022]
Abstract
BACKGROUND/AIM The ATP-binding cassette subfamily B member 5 (ABCB5) transporter plays a pivotal role in melanocyte progenitor cell fusion and has been identified as a tumor-initiating cell marker. In this study, we determined ABCB5 expression in normal tissues among various species, i.e., Homo sapiens, Mus musculus (mouse), Rattus norvegicus (rat), Sus scrofa domesticus (pig), Gallus gallus (chicken), Anser anser (goose), Poecilia reticulata (Guppy fish), and Lumbricus terrestris (earthworm), as well as 426 biopsies of different human tumor types (colorectal, cervical, endometrium, vaginal, nasopharyngeal, kidney, breast, colon, prostate, pancreas, lung, gallbladder, bladder, brain, liver, skin, small intestine, testis, tonsil, uterus, thyroid, stomach, esophagus, fallopian, parotid, and ovary). MATERIALS AND METHODS Using immunohistochemical staining, ABCB5 expression was detected and evaluated in formalin-fixed, paraffin-embedded sections. RESULTS High ABCB5 expression was found in normal tissues in specialized cells with secretory and excretory functions, chorionic villi of the placenta, hepatocytes, and blood-tissue barrier sites in the brain and testis. Besides, heterogeneous expression of ABCB5 was also observed in many different tumor types derived from breast, endometrium, ovary, uterus, cervix, prostate, lung, brain, colon, liver, nasopharynx, and others. CONCLUSION The localization of ABCB5 in different normal tissues suggests that this protein has an excretory pumping role for physiological metabolites and xenobiotics. This physiological role highlighted its possible impact on the development of multidrug resistance in tumors. Further studies are required to establish the possible clinical significance of ABCB5 as a predictive marker for drug resistance and as a prognostic marker for patient survival.
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Affiliation(s)
- Mohamed E M Saeed
- Department of Pharmaceutical Biology, Institute of Pharmaceutical and Biomedical Sciences, Johannes Gutenberg University, Mainz, Germany
| | - Joelle C Boulos
- Department of Pharmaceutical Biology, Institute of Pharmaceutical and Biomedical Sciences, Johannes Gutenberg University, Mainz, Germany
| | - Kevin Machel
- Department of Pharmaceutical Biology, Institute of Pharmaceutical and Biomedical Sciences, Johannes Gutenberg University, Mainz, Germany
| | - Nasim Andabili
- Department of Pharmaceutical Biology, Institute of Pharmaceutical and Biomedical Sciences, Johannes Gutenberg University, Mainz, Germany
| | - Thamail Marouni
- Department of Pharmaceutical Biology, Institute of Pharmaceutical and Biomedical Sciences, Johannes Gutenberg University, Mainz, Germany
| | - Wilfried Roth
- Institute of Pathology, University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany
| | - Thomas Efferth
- Department of Pharmaceutical Biology, Institute of Pharmaceutical and Biomedical Sciences, Johannes Gutenberg University, Mainz, Germany;
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Lopes BCH, Zeppelini D, Pontes DS, Amado EM. First characterization of multixenobiotic activity in Collembola: An approach on cadmium-induced response. Comp Biochem Physiol C Toxicol Pharmacol 2021; 239:108850. [PMID: 32777464 DOI: 10.1016/j.cbpc.2020.108850] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/30/2020] [Revised: 07/12/2020] [Accepted: 07/22/2020] [Indexed: 10/23/2022]
Abstract
ATP-binding cassette (ABC) efflux pumps mediate the activity of the Multixenobiotic Resistance (MXR) mechanism and have been proposed as a biomarker of environmental pollution mainly in aquatic invertebrates. MXR activity was never investigated in Collembola and represents a potential tool for soil biomonitoring. This study aimed to characterize for the first time the activity of ABC efflux pumps in the gut of collembolan species, and investigate its responsiveness to cadmium (Cd), a common stressor found in polluted soils. We performed in vitro rhodamine-B accumulation assays in the presence of model inhibitors of ABC efflux pumps: verapamil hydrochloride as P-gp (P-glycoprotein) inhibitor, and MK571, as MRPs (multidrug resistance-related proteins) inhibitor. We also performed rhodamine-B accumulation assays under Cd-exposure (209 μg/L;1 μM). Our results showed that all species presented basal (noninduced) level of MXR activity in their gut. Efflux pumps P-gp and/or MRPs activity were confirmed in Cyphoderus innominatus, Cyphoderus similis, and Folsomia candida, the standard species. The rhodamine-B accumulation assays performed with Cd, applied as soil pollutant, showed that the gut of non-standard species C. similis and Trogolaphysa sp. presented an increase of MXR activity for both P-gp and MRP transporters, indicating the potential of these species as test organisms for soil ecotoxicology studies in Neotropical region. Our findings suggest a functional role of ABC transporters in the collembolan gut and their cellular involvement in Cd defense response, corroborating that MXR phenotype in Collembola can be a promising tool for bioindication of soil contamination.
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Affiliation(s)
- Bruna Carolline Honório Lopes
- Laboratório de Sistemática de Collembola e Conservação, Universidade Estadual da Paraíba Campus V, Centro de Ciências Biológicas e Sociais Aplicadas, Depto. Biologia. 58070-450 João Pessoa, PB, Brazil; Laboratório de Ecofisiologia Animal, Universidade Estadual da Paraíba Campus V, Centro de Ciências Biológicas e Sociais Aplicadas, Depto. Biologia. 58070-450 João Pessoa, PB, Brazil; Programa de Pós-Graduação em Ciências Biológicas - Zoologia, Universidade Federal da Paraíba Campus I, Centro de Ciências Exatas e da Natureza, Depto. Biologia. 58051-900 João Pessoa, PB, Brazil
| | - Douglas Zeppelini
- Laboratório de Sistemática de Collembola e Conservação, Universidade Estadual da Paraíba Campus V, Centro de Ciências Biológicas e Sociais Aplicadas, Depto. Biologia. 58070-450 João Pessoa, PB, Brazil; Programa de Pós-Graduação em Ciências Biológicas - Zoologia, Universidade Federal da Paraíba Campus I, Centro de Ciências Exatas e da Natureza, Depto. Biologia. 58051-900 João Pessoa, PB, Brazil
| | - Daniela Santos Pontes
- Laboratório de Biologia Molecular, Universidade Estadual da Paraíba Campus V, Centro de Ciências Biológicas e Sociais Aplicadas, Depto. Biologia. 58070-450 João Pessoa, PB, Brazil
| | - Enelise Marcelle Amado
- Laboratório de Ecofisiologia Animal, Universidade Estadual da Paraíba Campus V, Centro de Ciências Biológicas e Sociais Aplicadas, Depto. Biologia. 58070-450 João Pessoa, PB, Brazil.
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Macêdo AKS, da Silva JRP, dos Santos HB, Thomé RG, Vendel AL, Amado EM. Estuarine fish assemblages present a species-specific difference in the multixenobiotics resistance activity. JOURNAL OF EXPERIMENTAL ZOOLOGY PART 2019; 331:530-539. [DOI: 10.1002/jez.2320] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/01/2019] [Revised: 08/19/2019] [Accepted: 08/30/2019] [Indexed: 11/08/2022]
Affiliation(s)
- Anderson Kelvin Saraiva Macêdo
- Centro de Ciências Biológicas e Sociais Aplicadas; Universidade Estadual da Paraíba; João Pessoa Paraíba Brazil
- Campus Centro-Oeste Dona Lindu; Universidade Federal de São João Del-Rei; Divinópolis Minas Gerais Brazil
| | | | - Helio Batista dos Santos
- Campus Centro-Oeste Dona Lindu; Universidade Federal de São João Del-Rei; Divinópolis Minas Gerais Brazil
| | - Ralph Gruppi Thomé
- Campus Centro-Oeste Dona Lindu; Universidade Federal de São João Del-Rei; Divinópolis Minas Gerais Brazil
| | - Ana Lúcia Vendel
- Centro de Ciências Biológicas e Sociais Aplicadas; Universidade Estadual da Paraíba; João Pessoa Paraíba Brazil
| | - Enelise Marcelle Amado
- Centro de Ciências Biológicas e Sociais Aplicadas; Universidade Estadual da Paraíba; João Pessoa Paraíba Brazil
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Assef YA, Di Prinzio CY, Horak CN. Differential activities of the multixenobiotic resistance mechanism in freshwater fishes inhabiting environments of Patagonia Argentina. Comp Biochem Physiol C Toxicol Pharmacol 2019; 217:32-40. [PMID: 30500451 DOI: 10.1016/j.cbpc.2018.11.019] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/22/2018] [Accepted: 11/25/2018] [Indexed: 11/28/2022]
Abstract
Environmental impairment resulted from urbanizations can produce damage on freshwater species including strong physiological effects at individual or population level. The multixenobiotic resistance (MXR) is a defence mechanism which has been demonstrated in several aquatic organisms. The key mediators of MXR activity are ATP-binding cassette (ABC) proteins like P-glycoprotein (P-gp). This system protects aquatic organisms against the accumulation of xenobiotics by extruding them from cells in an energy-dependent manner. MXR has been pointed out as relevant in the ecotoxicological context and has been proposed as a biomarker for pollution assessment. Since fish species are common target in freshwater biomonitoring programs, the purpose of the study was to evaluate the MXR mechanism in native Hatcheria macraei (Patagonian catfish) and exotics Salmo trutta (brown trout), Oncorhynchus mykiss (rainbow trout) and Oncorhynchus tshawytscha (Chinook salmon) freshwater fishes widespread in Argentine Patagonia. We characterized the MXR mechanism using a combination of functional assays and Western blot analysis. Our results in different tissues such as liver, gills, muscle and epidermis indicate that the fishes studied have different species-specific levels of MXR activity, being gills and liver the tissues with greater detoxifying activity. Induction of MXR transport activity was also identified in liver tissue from rainbow trout from urban stream suggesting their suitability in the biomonitoring of aquatic environments subjected to urban contaminants.
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Affiliation(s)
- Yanina A Assef
- Centro de Investigación Esquel de Montaña y Estepa Patagónica (CIEMEP), CONICET-UNPSJB, Roca 780, 9200 Esquel, Argentina; Facultad de Ciencias Naturales y Ciencias de la Salud, Universidad Nacional de la Patagonia San Juan Bosco (UNPSJB), 9200 Esquel, Chubut, Argentina.
| | - Cecilia Y Di Prinzio
- Centro de Investigación Esquel de Montaña y Estepa Patagónica (CIEMEP), CONICET-UNPSJB, Roca 780, 9200 Esquel, Argentina; Facultad de Ciencias Naturales y Ciencias de la Salud, Universidad Nacional de la Patagonia San Juan Bosco (UNPSJB), 9200 Esquel, Chubut, Argentina
| | - Cristina N Horak
- Centro de Investigación Esquel de Montaña y Estepa Patagónica (CIEMEP), CONICET-UNPSJB, Roca 780, 9200 Esquel, Argentina
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David DD, Lima OG, Nóbrega AMCDS, Amado EM. Capacity of tissue water regulation is impaired in an osmoconformer living in impacted estuaries? ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2018; 166:375-382. [PMID: 30278400 DOI: 10.1016/j.ecoenv.2018.09.111] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/29/2018] [Revised: 09/19/2018] [Accepted: 09/25/2018] [Indexed: 06/08/2023]
Abstract
Estuarine osmoconformes rely on their ability to perform tissue and cell water regulation to cope with daily osmotic challenges that occur in the estuary. In addition, these animals currently must deal with pollutants present in the estuarine environment, which can disturb their capacity of water regulation. We collected the mangrove oyster Crassostrea rhizophorae in two tropical estuaries in the Northeast region of Brazil with different degrees of human interference: the Paraíba Estuary (impacted) and the Mamanguape Estuary (preserved). Tissue water content was analyzed after exposure to salinities 12, 24 and 36 for 24 h. Gill cell volume regulation was analyzed in vitro upon hypo- and hyper-osmotic conditions. We also analyzed gill MXR (multi-xenobiotic resistance) mechanism, as reference of environmental pollution. Gill and muscle of oysters from two sites of Paraíba Estuary, and from one site of Mamanguape Estuary were not able to maintain tissue water content upon hypo- and hyper-osmotic conditions. Gill cells of oyster from the same sites exhibited swelling followed by regulatory volume decrease upon hypo-osmotic condition. Gill MXR activity was increased in oysters from these sites. The best tissue and cell water regulation, and the lowest MXR activity, was found in oyster from downstream of Mamanguape Estuary, our reference site and the one most preserved. Tissue and cell water regulation proved to be a sensitive parameter to environmental pollution and could be considered as biomarker of aquatic contamination.
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Affiliation(s)
- Daniela Dantas David
- Curso de Ciências Biológicas, Centro de Ciências Biológicas e Sociais Aplicadas, Universidade Estadual da Paraíba-Campus V, João Pessoa, PB, Brazil
| | - Otoniel Gonçalves Lima
- Curso de Ciências Biológicas, Centro de Ciências Biológicas e Sociais Aplicadas, Universidade Estadual da Paraíba-Campus V, João Pessoa, PB, Brazil
| | - Alice Maria Cabral de Sousa Nóbrega
- Curso de Ciências Biológicas, Centro de Ciências Biológicas e Sociais Aplicadas, Universidade Estadual da Paraíba-Campus V, João Pessoa, PB, Brazil
| | - Enelise Marcelle Amado
- Curso de Ciências Biológicas, Centro de Ciências Biológicas e Sociais Aplicadas, Universidade Estadual da Paraíba-Campus V, João Pessoa, PB, Brazil.
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Use of a combined effect model approach for discriminating between ABCB1- and ABCC1-type efflux activities in native bivalve gill tissue. Toxicol Appl Pharmacol 2016; 297:56-67. [DOI: 10.1016/j.taap.2016.02.020] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2015] [Revised: 02/06/2016] [Accepted: 02/23/2016] [Indexed: 11/22/2022]
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Rioult D, Pasquier J, Boulangé-Lecomte C, Poret A, Abbas I, Marin M, Minier C, Le Foll F. The multi-xenobiotic resistance (MXR) efflux activity in hemocytes of Mytilus edulis is mediated by an ATP binding cassette transporter of class C (ABCC) principally inducible in eosinophilic granulocytes. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2014; 153:98-109. [PMID: 24345773 DOI: 10.1016/j.aquatox.2013.11.012] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/05/2013] [Revised: 10/22/2013] [Accepted: 11/21/2013] [Indexed: 06/03/2023]
Abstract
In marine and estuarine species, immunotoxic and/or immunomodulatory mechanisms are the crossroad of interactions between xenobiotics, microorganisms and physicochemical variations of the environment. In mussels, immunity relies exclusively on innate responses carried out by cells collectively called hemocytes and found in the open hemolymphatic circulatory system of these organisms. However, hemocytes do not form a homogenous population of immune cells since distinct subtypes of mussel blood cells can be distinguished by cytochemistry, flow cytometry or cell motility analysis. Previous studies have also shown that these cells are able to efflux xenobiotics by means of ATP binding cassette (ABC) transporter activities conferring a multixenobiotic resistance (MXR) phenotype. ABC transporters corresponding to vertebrate class B/P-glycoprotein (P-gp) and to class C/multidrug resistance related protein (MRP) are characterized in Mytilidae. Herein, we have investigated the relative contributions of ABCB- and ABCC-mediated efflux within the different hemocyte subpopulations of Mytilus edulis mussels, collected from areas differentially impacted by chemical contaminants in Normandy (France). RT-PCR analyses provide evidence for the presence of ABCB and ABCC transporters transcripts in hemocytes. Immunodetection of ABCB/P-gp with the monoclonal antibody UIC2 in living hemocytes revealed that expression was restricted to granular structures of spread cells. Efflux transporter activities, with calcein-AM as fluorescent probe, were measured by combining flow cytometry to accurate Coulter cell size measurements in order to get a cell-volume normalized fluorescence concentration. In these conditions, basal fluorescence levels were higher in hemocytes originating from Yport (control site) than in cells collected from the harbor of Le Havre, where mussels are more exposed to with persistent pollutants. By using specific ABCB/P-gp (verapamil, PSC833, zosuquidar) and ABCC/MRP (MK571) blockers, we show that MXR activity is only carried out by MRP-type transporters in M. edulis hemocytes. In addition, cell-type-gated flow cytometry and calculation of the MXR activity factor indicate that ABCC-efflux activity is higher and more inducible in eosinophilic granulocytes than in other hemocyte subtypes. We conclude that, in the hemocytes of M. edulis, MXR phenotype is mediated by an ABCC/MRP-type transporter activity principally supported by eosinophilic granulocytes. A role for ABC transporters in hemocyte migration is discussed.
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Affiliation(s)
- Damien Rioult
- Laboratory of Ecotoxicology, UPRES EA 3222, IFRMP 23, University of Le Havre, 76058 Le Havre cedex, France.
| | - Jennifer Pasquier
- Laboratory of Ecotoxicology, UPRES EA 3222, IFRMP 23, University of Le Havre, 76058 Le Havre cedex, France
| | - Céline Boulangé-Lecomte
- Laboratory of Ecotoxicology, UPRES EA 3222, IFRMP 23, University of Le Havre, 76058 Le Havre cedex, France
| | - Agnès Poret
- Laboratory of Ecotoxicology, UPRES EA 3222, IFRMP 23, University of Le Havre, 76058 Le Havre cedex, France
| | - Imane Abbas
- Research and Development Department, Lebanese Atomic Energy Commission - CNRS, Beirut, Lebanon
| | - Matthieu Marin
- Laboratoire de Régulation des Signaux de Division, EA 4020, IFR 147, Bât. SN3, Université des Sciences et Technologies de Lille, 59655 Villeneuve d'Ascq Cedex, France
| | - Christophe Minier
- Laboratory of Ecotoxicology, UPRES EA 3222, IFRMP 23, University of Le Havre, 76058 Le Havre cedex, France
| | - Frank Le Foll
- Laboratory of Ecotoxicology, UPRES EA 3222, IFRMP 23, University of Le Havre, 76058 Le Havre cedex, France
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Bošnjak I, Pleić IL, Borra M, Mladineo I. Quantification and in situ localisation of abcb1 and abcc9genes in toxicant-exposed sea urchin embryos. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2013; 20:8600-8611. [PMID: 23690080 DOI: 10.1007/s11356-013-1819-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/10/2012] [Accepted: 05/09/2013] [Indexed: 06/02/2023]
Abstract
A multixenobiotic resistance (MXR) mechanism mediated by ABC binding cassette (ABC) transport proteins is an efficient chemical defence mechanism in sea urchin embryos. The aim of our work was to evidence whether exposure to sub-lethal doses of specific contaminants (oxybenzone (OXI), mercuric chloride (HgCl2) and trybutiltin (TBT)) would induce MXR transporter activity during embryonic development (from zygote to blastula stage) in purple sea urchin (Paracentrotus lividus) embryos. Further, we present data on molecular identification, transport function, expression levels and gene localisation of two ABC efflux transporters-P-glycoprotein (ABCB1/P-gp) and sulfonylurea-receptor-like protein (ABCC9/SUR-like). Partial cDNA sequences of abcb1 and abcc9 were identified and quantitative PCR (qPCR) evidenced an increase in mRNA transcript levels of both ABC transporters during the two-cell, as well as an overall decrease during the blastulae stage. Calcein-AM efflux activity assay indicated the activation of multidrug resistance-associated protein/ABCC-like transport in the presence of HgCl2 and TBT in exposed blastulae. The in situ hybridisation of the two-cell and blastula stages showed ubiquitous localisation of both transcripts within cells, supporting qPCR data. In conclusion, ABCB1 and ABCC9 are constitutive, as are HgCl2, TBT and OXI-inducible ABC membrane transporters, coexpressed in the zygote, two-cell and blastula stages of the P. lividus. Their ubiquitous cell localisation further fortifies their protective role in early embryonic development.
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Affiliation(s)
- Ivana Bošnjak
- Laboratory for Biology and Microbial Genetics, Department of Biochemical Engineering, Faculty of Food Technology and Biotechnology, Pierottijeva 6, Zagreb, Croatia
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Saez G, De Jong L, Moreau X, Sarrazin L, Wafo E, Schembri T, Lagadec V, Diana C, Monod JL, Thiéry A. Evaluation of pollutant exposure by chemical and biological markers in a Mediterranean French urban stream: a step for in situ calibration of multixenobiotic resistance transporter expression as biomarker in Chironomidae larvae. ENVIRONMENTAL RESEARCH 2008; 107:351-361. [PMID: 18295195 DOI: 10.1016/j.envres.2008.01.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/08/2007] [Revised: 11/02/2007] [Accepted: 01/03/2008] [Indexed: 05/25/2023]
Abstract
This study was aimed at semi-quantifying the membrane density of multixenobiotic resistance (MXR) transporters in Chironomidae Orthocladiinae larvae from an urban stream by ELISA assay. The relationships between the MXR transporter membrane density and limnological parameters and pollutant concentrations, 16 priority polycyclic aromatic hydrocarbons (PAHs), as per the US Environmental Protection Agency (EPA) and seven polychlorobiphenyl congeners (PCBs), were assessed. Midge larvae were collected, and limnological parameters and pollutant concentrations were measured in three sites of a French Mediterranean urban stream, two located after sewage treatment plants, and one closed to the river mouth, and in two additional sites, one on the stream tributary, and one in a non-urbanized stream located in the same region. Results show that the PAH and PCB contamination levels are different between sites and that some congener concentrations are above their threshold toxic effect level (TEL). The MXR transporter membrane density was significantly higher in larvae from the tributary, the most polluted site, as compared with larvae from the non-urbanized stream. The MXR transporter density was positively correlated with 10 of the 16 US-EPA PAH concentrations and the increase in the MXR transporter density seems to be due to the US-EPA PAH concentrations that were above their TEL. No relations with PCB concentrations or limnological parameters were found. The results suggest that the MXR transporter membrane density in Chironomidae larvae could be an interesting biological marker of PAH exposure in freshwater ecosystems.
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Affiliation(s)
- G Saez
- UMR-CNRS 6116 IMEP, Equipe Biomarqueurs & Bioindicateurs Environnementaux, Université de Provence, Case 17, 3 Place Victor Hugo, 13331 Marseille cedex 03, France.
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Tutundjian R, Minier C. Effect of temperature on the expression of P-glycoprotein in the zebra mussel, Dreissena polymorpha. J Therm Biol 2007. [DOI: 10.1016/j.jtherbio.2007.01.008] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Timofeyev MA, Shatilina ZM, Bedulina DS, Menzel R, Steinberg CEW. Natural organic matter (NOM) has the potential to modify the multixenobiotic resistance (MXR) activity in freshwater amphipods Eulimnogammarus cyaneus and E. verrucosus. Comp Biochem Physiol B Biochem Mol Biol 2006; 146:496-503. [PMID: 17276117 DOI: 10.1016/j.cbpb.2006.11.017] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2006] [Revised: 11/23/2006] [Accepted: 11/23/2006] [Indexed: 11/27/2022]
Abstract
Based on the chemical features of natural organic matter (NOM) with its variety of functional groups, we hypothesized that NOM will modify the multixenobiotic-resistance (MXR) of an organism as xenobiotic chemicals do. The MXR system is a general first rather non-specific line of defense against environmental contaminants. The aim of this study was to compare the impacts on MXR activity in amphipod species (Eulimnogammarus cyaneus and E. verrucosus, from Lake Baikal) stressed by cadmium chloride or dissolved NOM for 24 h. NOM exposure concentrations were environmentally realistic. MXR activity was assessed based on rhodamine B efflux; its specificity was proven by a verapamil inhibition assay. It was shown that both NOM and CdCl(2) lead to substantial reduction of the rhodamine B efflux. This suggests that NOM may be regarded as a chemosensor which is able to reduce the efficiency of the MXR system. Possible mechanisms of direct NOM impact on MXR processes are discussed, such as peroxidation of the membranes (including P-glycoproteins) or internal blockage of the MXR pump by bioconcentrated NOM. In general, our results show that well-developed depuration pathways of freshwater organisms in contaminated environments may be impaired by strong chemical stressors and, more important, by natural biogeochemical matrices such as humic substances--humic substances are present in all freshwater systems.
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Feldstein T, Nelson N, Mokady O. Cloning and expression of MDR transporters from marine bivalves, and their potential use in biomonitoring. MARINE ENVIRONMENTAL RESEARCH 2006; 62 Suppl:S118-21. [PMID: 16712920 DOI: 10.1016/j.marenvres.2006.04.007] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/09/2023]
Abstract
Multidrug resistance transporters (MDRs) are excellent candidates for molecular-level biomonitoring - they function in exporting xenobiotic compounds and their expression is inducible. However, currently available MDR sequence information from aquatic invertebrates is partial and mostly biased towards the conserved ATPase domain. In the present study, two genes belonging to the MDR/TAP (ABCB) family were cloned and characterized from the bivalve Brachidontes pharaonis, which thrives in rocky environments along the Israeli Mediterranean coast. One of these is a complete sequence of a 'half'ABCB, probably belonging to the ABCB10 subfamily, while the second is a 'full'ABCB1 transporter. A quantitative RT-PCR protocol for biomonitoring was tested in laboratory experiments. Bivalves exposed to diesel showed significant increase in B1 expression levels, while the expression of B10 was suppressed. These results suggest that B. pharaonis features an MDR1 homologue that is induced by pollution and may serve as a sentinel organism for routine biomonitoring programs. However, our findings also exemplify that not all MDRs are equally suitable for this purpose and sequence information must be expanded beyond the ATPase domain for correct classification of cloned genes.
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Affiliation(s)
- Tamar Feldstein
- Department of Zoology, Faculty of Life Sciences, Tel-Aviv University, 69978, Israel
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Shúilleabháin SN, Davoren M, Mothersill C, Sheehan D, Hartl MGJ, Kilemade M, O'brien NM, O'halloran J, Van Pelt FNAM, Lyng FM. Identification of a multixenobiotic resistance mechanism in primary cultured epidermal cells from Oncorhynchus mykiss and the effects of environmental complex mixtures on its activity. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2005; 73:115-27. [PMID: 15899526 DOI: 10.1016/j.aquatox.2005.03.014] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/18/2004] [Revised: 03/09/2005] [Accepted: 03/12/2005] [Indexed: 05/02/2023]
Abstract
Multixenobiotic resistance (MXR) is a mechanism analogous to the mammalian multidrug resistance (MDR) phenotype, whereby, simultaneous resistance is conferred against the intracellular accumulation of structurally and functionally diverse, natural, endogenous and environmental toxicants. Expression of P-glycoproteins (P-gp), ATP-dependent transporters encoded for by the mdr1 gene that have been implicated in this xenobiotic efflux mechanism, have previously been detected in normal teleost tissues involved in a secretory, absorption or a barrier function. The presence of these proteins in the epidermis of fish species has not to our knowledge previously been investigated. In the present study, primary cultures of epidermis from the rainbow trout Oncorhynchus mykiss were employed to investigate whether an MXR mechanism is functional in the epidermis of fish. The efflux of the fluorescent mdr1 substrate rhodamine 123 from the cells was significantly inhibited by verapamil, a compound known to interfere with P-gp mediated transport. The cultured epidermal cells were also observed to accumulate this fluorescent dye in a verapamil sensitive manner, thus indicating the presence of an mdr1-like mechanism. Immunocytochemical analysis, using a monoclonal antibody (JSB1) directed against a conserved cytoplasmic P-gp epitope, also demonstrated the presence of P-gp-like proteins. Sediment elutriate extracts were employed as models of environmental complex mixtures to evaluate the potential of the epidermal cultures to discriminate between samples of varying contaminant burden using MXR activity as an endpoint. The induction of P-gp expression was found to be in accordance with the level of contamination detected in the sediments from which the elutriates were extracted. The findings of the functional study also demonstrated that environmental pollutants, which interfere with P-gp function, could be identified using this model.
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Affiliation(s)
- Sharon Ní Shúilleabháin
- Radiation and Environmental Science Centre, FOCAS Institute, Dublin Institute of Technology, Kevin Street, Dublin 8, Ireland.
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Smital T, Luckenbach T, Sauerborn R, Hamdoun AM, Vega RL, Epel D. Emerging contaminants--pesticides, PPCPs, microbial degradation products and natural substances as inhibitors of multixenobiotic defense in aquatic organisms. Mutat Res 2004; 552:101-17. [PMID: 15288544 DOI: 10.1016/j.mrfmmm.2004.06.006] [Citation(s) in RCA: 56] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2004] [Revised: 04/19/2004] [Accepted: 04/28/2004] [Indexed: 04/30/2023]
Abstract
The environmental presence of chemosensitizers or inhibitors of the multixenobiotic resistance (MXR) defense system in aquatic organisms could cause increase in intracellular accumulation and toxic effects of other xenobiotics normally effluxed by MXR transport proteins (P-glycoprotein (P-gps), MRPs). MXR inhibition with concomitant detrimental effects has been shown in several studies with aquatic organisms exposed to both model MXR inhibitors and environmental pollutants. The presence of MXR inhibitors has been demonstrated in environmental samples from polluted locations at concentrations that could abolish P-gp transport activity. However, it is not clear whether the inhibition observed after exposure to environmental samples is a result of saturation of MXR transport proteins by numerous substrates present in polluted waters or results from the presence of powerful MXR inhibitors. And are potent environmental MXR inhibitors natural or man-made chemicals? As a consequence of these uncertainties, no official action has been taken to monitor and control the release and presence of MXR inhibitors into aquatic environments. In this paper we present our new results addressing these critical questions. Ecotoxicological significance of MXR inhibition was supported in in vivo studies that demonstrated an increase in the production of mutagenic metabolites by mussels and an increase in the number of sea urchin embryos with apoptotic cells after exposure to model MXR inhibitors. We also demonstrated that MXR inhibitors are present among both conventional and emerging man-made pollutants: some pesticides and synthetic musk fragrances show extremely high MXR inhibitory potential at environmentally relevant concentrations. In addition, we emphasized the biological transformation of crude oil hydrocarbons into MXR inhibitors by oil-degrading bacteria, and the risk potentially caused by powerful natural MXR inhibitors produced by invasive species.
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Affiliation(s)
- Tvrtko Smital
- Department for Marine and Environmental Research, Rudjer Boskovic Institute, Bijenicka 54, P.O. Box 180, 10002 Zagreb, Croatia.
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Smital T, Sauerborn R, Hackenberger BK. Inducibility of the P-glycoprotein transport activity in the marine mussel Mytilus galloprovincialis and the freshwater mussel Dreissena polymorpha. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2003; 65:443-465. [PMID: 14568358 DOI: 10.1016/s0166-445x(03)00175-9] [Citation(s) in RCA: 35] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
Previous investigations directed to the determination of the P-glycoprotein (Pgp) expression in aquatic organisms have indicated the possibility of the multixenobiotic resistance mechanism (MXR) induction as a response to organic pollution. However, in numerous cases no significant and/or no clear relationship between Pgp contents and pollution level was detected. Concerning these discrepancies the results of an extensive, 3-year study of the Pgp mediated MXR induction in the selected freshwater (Dreissena polymorpha) and marine (Mytilus galloprovincialis) bivalves are presented here. The main goals of the study were to ascertain the rate-dynamic, level, as well as the possible usability of MXR in environmental biomonitoring. Since the primary result of MXR induction should be the decreased intracellular accumulation of xenobiotics, the determination of MXR induction was performed using the measurement of Pgp transport activity. We measured the accumulation or the efflux rate of the model Pgp substrate rhodamine B (RB) in gills of the mussels previously exposed to pollution. The study was performed in several steps: from the exposure experiments in laboratory, using model inducers rhodamine 123 (R123) and water extract of Diesel-2 oil (D2), to the final in situ testing in real environmental conditions. Our results confirmed that Pgp activity is induced/induces according to the level of pollution, and that 4-days period was already long enough for the significant induction and deinduction of MXR activity. However, the inducibility of Pgp transport activity was significantly limited--the maximal level of induction obtained in this study resulted in 50-60% lower RB accumulation in the gills of induced specimens (laboratory or in situ exposed to pollution), when compared to control, non-induced animals. The obtained level of Pgp related MXR induction, resulting in halfway lesser accumulation of a model pollutant (RB), extrapolated to the similar scenario with toxic xenobiotics may have significant environmental relevance. However, our results also suggest that for the use of the MXR as a relevant biomarker the Pgp transport activity should be measured along with the determination of DNA, mRNA or/and protein expression. Based on the data from this study several factors that may have had critical influence on the effectiveness and the level of MXR induction are additionally discussed.
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Affiliation(s)
- Tvrtko Smital
- Department for Marine and Environmental Research, Laboratory for Molecular Ecotoxicology, Rudjer Boskovic Institute, PO Box 180, Bijenicka 54, 10 000 Zagreb, Croatia.
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Pain S, Parant M. Response of multixenobiotic defence mechanism in Dreissena polymorpha exposed to environmental stress. CHEMOSPHERE 2003; 52:1105-1113. [PMID: 12820991 DOI: 10.1016/s0045-6535(03)00356-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
Multixenobiotic defence mechanism (MXDM) has been recently described as a first line defence system in many aquatic organisms and it has raised attention for its potential as an early biomarker of exposure to environmental stress. In order to investigate the relevance of this biomarker in the freshwater zebra mussel Dreissena polymorpha, we examined its response to exposure and to cessation of exposure. For this purpose, depurated zebra mussels were transplanted to natural rivers or exposed to medium experimentally contaminated with fuel oil 2 in the laboratory. After the exposure period, mussels were submitted to depuration in clean water in the laboratory. The level of MXDM activity was assessed by the efflux method that allows a simple and fast measure of the rate of rhodamine B efflux. MXDM activity was induced following exposure and induction appears earlier after laboratory exposure (3 days) than after in the field exposure (3-14 days). The level of MXDM response could not be directly correlated to exposure dose in the laboratory and to isolated physicochemical parameters or AOX levels in the field. The behaviour of MXDM activity seems to reflect the occurrence of exposure to a global stress rather than to specific compounds. Our results highlighted the possibility to monitor MXDM response in the freshwater zebra mussel. In spite of the difficulty to interpret responses resulting from the lack of specificity of response, multixenobiotic defence mechanism displays qualities to represent a biomarker of general stress in freshwater ecosystems.
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Affiliation(s)
- Sandrine Pain
- Université de METZ, UFR Sci-FA, Laboratoire ESE, CNRS FRE 2635, Campus Bridoux, Avenue du Général Delestraint, 57070 Metz, France.
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Abstract
Multixenobiotic defence mechanism (MXDM) consists in a cellular system that functions as membrane extrusion pumps effluxing organic compounds out of the cells. In bivalves, it represents a primordial protection against toxic effects of organic xenobiotics in preventing their cellular accumulation. It has raised attention during the last decade for its potential to be used as a biomarker of pollution. This article reviews the fundamental knowledge on the MXDM system in bivalves and the methods proposed to assess its activity. Finally, it reviews the major results of laboratory and field studies that enabled to hypothesise that MXDM could be used as a biomarker of environmental stress rather than of pollutant exposure.
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Affiliation(s)
- Sandrine Pain
- Laboratoire ESE CNRS FRE 2635, UFR Sci-FA, université de Metz, campus Bridoux, av. du Général-Delestraint, 57070 Metz, France.
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Smital T, Sauerborn R. Measurement of the activity of multixenobiotic resistance mechanism in the common carp Cyprinus carpio. MARINE ENVIRONMENTAL RESEARCH 2002; 54:449-453. [PMID: 12408600 DOI: 10.1016/s0141-1136(02)00155-1] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
The multixenobiotic resistance (MXR) mechanism, mediated by activity of the transmembrane P-glycoprotein, represents a basic biological defence system in aquatic organisms. Here we investigate the MXR transport activity in an aquatic vertebrate, the common carp (Cyprinus carpio). We measured the accumulation rate of a model MXR substrate, the fluorescent dye rhodamine B (RB), in gills, lateral muscles, liver and bile. Results obtained using this method showed a significant increase of RB accumulation in tissues of fish exposed for I h to 3 microM RB in the presence of the model MXR inhibitors cyclosporin A (CA, 5 microM) or verapamil (VER, 10 microM), when compared with specimens exposed without inhibitors. The highest increase in RB accumulation detected in the liver (VER 54%, CA 170%) indicates that among the tissues analysed within this study, liver is the most prominent candidate organ for the functional detection of MXR activity in C. carpio.
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Affiliation(s)
- Tvrtko Smital
- Department for Marine and Environmental Research, Rudjer Bosković Institute, Zagreb, Croatia.
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Keppler C, Ringwood AH. Expression of P-glycoprotein in the gills of oysters, Crassostrea virginica: seasonal and pollutant related effects. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2001; 54:195-204. [PMID: 11489306 DOI: 10.1016/s0166-445x(01)00151-5] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
The expression of p-glycoprotein (p-gp) in aquatic organisms has been proposed as a biomarker of pollution exposure. Previous research has provided evidence that p-gp is inducible by organic xenobiotics and that p-gp is overexpressed in mussels from degraded areas. However, seasonal changes in expression at polluted sites has not been described previously. The purposes of these studies were to evaluate the expression of p-gp in polluted and unpolluted sites in oysters (Crassostrea virginica) and to determine if there were seasonal differences. P-gp expression and total protein concentrations were measured seasonally in the gills of southeastern oysters, Crassostrea virginica, at degraded and undegraded sites in Charleston Harbor, South Carolina, USA. At all sites, p-gp expression was generally higher during the warmer months and lower in the colder months. Polluted sites tended to show a decrease in p-gp expression in June and September, suggesting that p-gp inhibition may have occurred. P-gp expression was not significantly related to specific classes of sediment contaminants or to overall sediment contaminant loading. Total gill protein concentrations at all sites were lower during the warmer months and higher during the colder months. In general, all sites tended to show decreased total gill protein concentrations when compared to the control site. Total protein concentrations were significantly related to water temperature, specific classes of sediment contaminants and overall sediment contaminant loads, but there was no relationship with salinity.
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Affiliation(s)
- C Keppler
- Grice Marine Biological Laboratory, University of Charleston, 205 Fort Johnson Road, Charleston, SC 29412, USA.
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Keppler CJ, Ringwood AH. Expression of P-glycoprotein in southeastern oysters, Crassostrea virginica. MARINE ENVIRONMENTAL RESEARCH 2001; 52:81-96. [PMID: 11488357 DOI: 10.1016/s0141-1136(00)00263-4] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
These studies provide important fundamental information regarding the expression of P-glycoprotein (p-gp) in southeastern oysters (Crassostrea virginica). Using rhodamine transport studies, p-gp activity was detected in newly fertilized embryos. A monoclonal antibody (C219) was used to evaluate p-gp expression in oyster tissues. On the basis of laboratory studies, p-gp expression tended to be higher in gill tissues than mantle tissues, and was generally not related to salinity differences. Seasonal studies were conducted with oysters collected monthly for 1 year from Lighthouse Creek, an unpolluted site. There was a general pattern of higher p-gp expression in the warmer months and lower expression in the colder months. In contrast, total gill protein concentrations decreased during the warmer months and increased during the colder months. These studies indicate that there are seasonal patterns in p-gp expression which may represent an adaptive response to natural stressors associated with summer conditions.
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Affiliation(s)
- C J Keppler
- University of Charleston, Grice Marine Biological Laboratory, SC 29412, USA.
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