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Chakraborty A, Rajana VK, Saritha C, Srivastava A, Mandal D, Das N. A new Eosin Y-based 'turnon' fluorescent sensor for ratiometric sensing of toxic mercury ion (Hg 2+) offering unaided eye detection and its antibacterial activity. JOURNAL OF HAZARDOUS MATERIALS 2024; 470:134207. [PMID: 38593667 DOI: 10.1016/j.jhazmat.2024.134207] [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: 12/20/2023] [Revised: 04/01/2024] [Accepted: 04/02/2024] [Indexed: 04/11/2024]
Abstract
A unique fluorescent molecule (ND-S) was obtained from Eosin Y in two simple yet high yielding steps (1). ND-S has special metal ion sensing ability, such that it can selectively detect toxic Hg2+ present in very low concentration in aqueous solutions in the presence of other competing metal ions. The host-guest complexation is ratiometric and is associated with significant increase in fluorescence during the process. Isothermal titration calorimetry (ITC) experiments provided thermodynamic parameters related to interaction between ND-S and Hg2+. Using inductively coupled plasma mass spectrometry (ICP-MS), the Hg2+(aq) removal efficiency of ND-S was estimated to be 99.88%. Appreciable limit of detection (LOD = 7.4 nM) was observed. Other competing ions did not interfere with the sensing of Hg2+ by ND-S. The effects of external stimuli (temperature and pH) were studied. Besides, the complex (ND-M), formed by 1:1 coordination of ND-S and Hg2+ was found to be effective against the survival of Gram-positive bacteria (S. aureus and B. subtilis) with a high selectivity index. Moreover, bacterial cell death mechanism was studied systematically. Overall, we have shown the transformation of a toxic species (Hg2+), extracted from polluted water by a biocompatible sensor (ND-S), into an effective and potent antibacterial agent (ND-M).
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Affiliation(s)
- Arnab Chakraborty
- Department of Chemistry, Indian Institute of Technology Patna, Patna 801106, Bihar, India
| | - Vinod K Rajana
- Department of Biotechnology, National Institute of Pharmaceutical Education and Research Hajipur, 844102 Bihar, India
| | - Cevella Saritha
- Department of Biotechnology, National Institute of Pharmaceutical Education and Research Hajipur, 844102 Bihar, India
| | - Abhinav Srivastava
- Department of Chemistry, Indian Institute of Technology Patna, Patna 801106, Bihar, India
| | - Debabrata Mandal
- Department of Biotechnology, National Institute of Pharmaceutical Education and Research Hajipur, 844102 Bihar, India
| | - Neeladri Das
- Department of Chemistry, Indian Institute of Technology Patna, Patna 801106, Bihar, India.
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de Almeida EC, Faria VD, Cirinêu FD, Santiago MGA, Miotto B, Vieira JCS, Braga CP, Adamec J, Fernandes AAH, Buzalaf MAR, Padilha PDM. Metalloproteomic Investigation of Hg-Binding Proteins in Renal Tissue of Rats Exposed to Mercury Chloride. Int J Mol Sci 2023; 25:164. [PMID: 38203335 PMCID: PMC10779082 DOI: 10.3390/ijms25010164] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2023] [Revised: 12/15/2023] [Accepted: 12/17/2023] [Indexed: 01/12/2024] Open
Abstract
Results obtained from rat studies indicate that, even at low concentrations, mercurial species cause harmful effects on the kidneys, by inducing the nephrotic oxidative stress response. In the present work, Hg-associated proteins were identified as possible mercury-exposure biomarkers in rat kidneys exposed to low mercury chloride concentrations for 30 days (Hg-30) and 60 days (Hg-60), using metalloproteomic strategies. The renal proteomic profile was fractioned by two-dimensional electrophoresis and the mercury determinations in kidney samples, protein pellets and protein spots were performed using graphite furnace atomic absorption spectrometry. The characterization of Hg-associated protein spots and the analysis of differentially expressed proteins were performed by liquid chromatography, coupled with tandem mass spectrometry. Eleven Hg-associated protein spots with a concentration range of 79 ± 1 to 750 ± 9 mg kg-1 in the Hg-60 group were identified. The characterization and expression analyses allowed the identification of 53 proteins that were expressed only in the Hg-60 group, 13 "upregulated" proteins (p > 0.95) and 47 "downregulated" proteins (p < 0.05). Actin isoforms and hemoglobin subunits were identified in protein spots of the Hg-60 group, with mercury concentrations in the range of 138 to 750 mg kg-1, which qualifies these proteins as potential mercury-exposure biomarkers.
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Affiliation(s)
- Emerson Carlos de Almeida
- Institute of Biosciences, São Paulo State University (UNESP), Botucatu 18618-687, SP, Brazil; (E.C.d.A.); (V.D.F.); (F.D.C.); (M.G.A.S.); (B.M.); (J.C.S.V.); (A.A.H.F.)
| | - Victor Diego Faria
- Institute of Biosciences, São Paulo State University (UNESP), Botucatu 18618-687, SP, Brazil; (E.C.d.A.); (V.D.F.); (F.D.C.); (M.G.A.S.); (B.M.); (J.C.S.V.); (A.A.H.F.)
| | - Felipe Dalmazzo Cirinêu
- Institute of Biosciences, São Paulo State University (UNESP), Botucatu 18618-687, SP, Brazil; (E.C.d.A.); (V.D.F.); (F.D.C.); (M.G.A.S.); (B.M.); (J.C.S.V.); (A.A.H.F.)
| | - Maria G. A. Santiago
- Institute of Biosciences, São Paulo State University (UNESP), Botucatu 18618-687, SP, Brazil; (E.C.d.A.); (V.D.F.); (F.D.C.); (M.G.A.S.); (B.M.); (J.C.S.V.); (A.A.H.F.)
| | - Beatriz Miotto
- Institute of Biosciences, São Paulo State University (UNESP), Botucatu 18618-687, SP, Brazil; (E.C.d.A.); (V.D.F.); (F.D.C.); (M.G.A.S.); (B.M.); (J.C.S.V.); (A.A.H.F.)
| | - José C. S. Vieira
- Institute of Biosciences, São Paulo State University (UNESP), Botucatu 18618-687, SP, Brazil; (E.C.d.A.); (V.D.F.); (F.D.C.); (M.G.A.S.); (B.M.); (J.C.S.V.); (A.A.H.F.)
| | | | - Jiri Adamec
- School of Medicine, Louisiana State University Health Sciences Center (LSUHSC), New Orleans, LA 70112, USA;
| | - Ana A. H. Fernandes
- Institute of Biosciences, São Paulo State University (UNESP), Botucatu 18618-687, SP, Brazil; (E.C.d.A.); (V.D.F.); (F.D.C.); (M.G.A.S.); (B.M.); (J.C.S.V.); (A.A.H.F.)
| | - Marília A. R. Buzalaf
- Faculty of Dentistry of Bauru (FOB), University of Sao Paulo (USP), Bauru 17012-901, SP, Brazil;
| | - Pedro de Magalhães Padilha
- Institute of Biosciences, São Paulo State University (UNESP), Botucatu 18618-687, SP, Brazil; (E.C.d.A.); (V.D.F.); (F.D.C.); (M.G.A.S.); (B.M.); (J.C.S.V.); (A.A.H.F.)
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Takyi SA, Arko-Mensah J, Basu N, Bawuah S, Dwomoh D, Fobil JN. Iron- and protein rich diets may boost hemoglobin levels among informal electronic waste recyclers exposed to metals at Agbogbloshie, Ghana. HYGIENE AND ENVIRONMENTAL HEALTH ADVANCES 2023; 8:100073. [PMID: 38318113 PMCID: PMC10843856 DOI: 10.1016/j.heha.2023.100073] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2024]
Abstract
While human exposure to metals may play a role in the pathogenesis of anemia, consumption of balanced diets may boost blood hemoglobin (Hb) levels in humans. Although informal electronic waste (e-waste) recycling processes have recently drawn attention as an important source of pollution, there is almost no empirical evidence on the relationship between diet, metals exposure and anemia among e-waste recyclers. Therefore, we evaluated possible ameliorating effects of diet on metal exposure related anemia, as measured by Hb levels of e-waste recyclers and a reference population in Ghana. This repeated measure study used data collected from e-waste recyclers (n=142) and a reference population (n=65) between March 2017 and October 2018. Stored whole blood samples were analyzed for the following metals; Cd, Pb, Rb, Tb, Tl, and Eu. Next, Hb levels were analysed using the URIT-810® semiautomatic biochemistry analyzer. Furthermore, a 48-hour dietary recall questionnaire was administered to assess dietary intake parameters such as protein, folate, carbohydrates, Fe, Ca, Mg, Se, Zn, and Cu. Ordinary regression models were used to estimate joint effects of metals and nutrients on Hb levels. At baseline, the mean Hb was lower among recyclers (12.99 ± 3.17 g/dL) than the reference group (13.02 ±2.37 g/dL). Blood Pb, Cd, Rb, Eu and Tb were associated with significant decreases in Hb levels of e-waste recyclers. Dietary intake of proteins and Fe was associated with concomitant increase in Hb levels of both groups as well as when analysis was restricted to recyclers. Despite the high exposure of e-waste recyclers to a myriad of metals, consumption of Fe-rich diets appears to ameliorate anemia and improved Hb levels (β=0.229; 95% CI: 0.013, 0.445; p=0.04). Therefore, the consumption of Fe and protein-rich foods may boost blood Hb levels in e-waste recyclers, even though exposure to high levels of metals is a predictor of anemia among this worker-group.
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Affiliation(s)
- Sylvia A. Takyi
- School of Public Health, University of Ghana, Legon. Accra Ghana
| | - John Arko-Mensah
- School of Public Health, University of Ghana, Legon. Accra Ghana
| | | | - Serwaa Bawuah
- School of Public Health, University of Ghana, Legon. Accra Ghana
| | - Duah Dwomoh
- School of Public Health, University of Ghana, Legon. Accra Ghana
| | - Julius N. Fobil
- School of Public Health, University of Ghana, Legon. Accra Ghana
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Rupa SA, Patwary MAM, Matin MM, Ghann WE, Uddin J, Kazi M. Interaction of mercury species with proteins: towards possible mechanism of mercurial toxicology. Toxicol Res (Camb) 2023; 12:355-368. [PMID: 37397928 PMCID: PMC10311172 DOI: 10.1093/toxres/tfad039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2022] [Revised: 05/02/2023] [Accepted: 05/15/2023] [Indexed: 07/04/2023] Open
Abstract
The nature of the binding of mercurials (organic and inorganic) and their subsequent transformations in biological systems is a matter of great debate as several different hypotheses have been proposed and none of them has been conclusively proven to explain the characteristics of Hg binding with the proteins. Thus, the chemical nature of Hg-protein binding through the possible transportation mechanism in living tissues is critically reviewed herein. Emphasis is given to the process of transportation, and binding of Hg species with selenol-containing biomolecules that are appealing for toxicological studies as well as the advancement of environmental and biological research.
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Affiliation(s)
| | | | | | - William Emmanuel Ghann
- Center for Nanotechnology, Department of Natural Sciences, Coppin State University, Baltimore, MD 21216, USA
| | - Jamal Uddin
- Center for Nanotechnology, Department of Natural Sciences, Coppin State University, Baltimore, MD 21216, USA
| | - Mohsin Kazi
- Department of Pharmaceutics, College of Pharmacy, King Saud University, P.O. BOX-2457, Riyadh 11451, Saudi Arabia
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Grunst AS, Grunst ML, Grémillet D, Kato A, Bustamante P, Albert C, Brisson-Curadeau É, Clairbaux M, Cruz-Flores M, Gentès S, Perret S, Ste-Marie E, Wojczulanis-Jakubas K, Fort J. Mercury Contamination Challenges the Behavioral Response of a Keystone Species to Arctic Climate Change. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2023; 57:2054-2063. [PMID: 36652233 DOI: 10.1021/acs.est.2c08893] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
Combined effects of multiple, climate change-associated stressors are of mounting concern, especially in Arctic ecosystems. Elevated mercury (Hg) exposure in Arctic animals could affect behavioral responses to changes in foraging landscapes caused by climate change, generating interactive effects on behavior and population resilience. We investigated this hypothesis in little auks (Alle alle), a keystone Arctic seabird. We compiled behavioral data for 44 birds across 5 years using accelerometers while also quantifying blood Hg and environmental conditions. Warm sea surface temperature (SST) and low sea ice coverage reshaped time activity budgets (TABs) and diving patterns, causing decreased resting, increased flight, and longer dives. Mercury contamination was not associated with TABs. However, highly contaminated birds lengthened interdive breaks when making long dives, suggesting Hg-induced physiological limitations. As dive durations increased with warm SST, subtle toxicological effects threaten to increasingly constrain diving and foraging efficiency as climate change progresses, with ecosystem-wide repercussions.
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Affiliation(s)
- Andrea S Grunst
- Littoral, Environnement et Sociétés (LIENSs), UMR 7266 CNRS-La Rochelle Université, 2 Rue Olympe de Gouges, La Rochelle FR-17000, France
| | - Melissa L Grunst
- Littoral, Environnement et Sociétés (LIENSs), UMR 7266 CNRS-La Rochelle Université, 2 Rue Olympe de Gouges, La Rochelle FR-17000, France
| | - David Grémillet
- CEFE, UMR 5175, CNRS─Université de Montpellier─Université Paul-Valéry Montpellier─EPHE, Montpellier 34090, France
- Percy FitzPatrick Institute of African Ornithology, University of Cape Town, Rondebosch, Cape Town 7701, South Africa
| | - Akiko Kato
- Centre d'Etudes Biologiques de Chizé (CEBC), UMR 7372 CNRS-La Rochelle Université, Villiers-en-Bois 79360, France
| | - Paco Bustamante
- Littoral, Environnement et Sociétés (LIENSs), UMR 7266 CNRS-La Rochelle Université, 2 Rue Olympe de Gouges, La Rochelle FR-17000, France
- Institut Universitaire de France (IUF), 1 rue Descartes, Paris 75005, France
| | - Céline Albert
- Littoral, Environnement et Sociétés (LIENSs), UMR 7266 CNRS-La Rochelle Université, 2 Rue Olympe de Gouges, La Rochelle FR-17000, France
| | - Émile Brisson-Curadeau
- McGill University─Macdonald Campus, 21111 Lakeshore Dr, Sainte-Anne-de-Bellevue, Quebec H9X 3V9, Canada
| | - Manon Clairbaux
- School of Biological, Environmental and Earth Sciences, University College Cork, Cork T23 N73K, Ireland
- MaREI Centre for Energy, Climate and Marine, Environmental Research Institute, University College Cork, Cork P43 C573, Ireland
| | - Marta Cruz-Flores
- Littoral, Environnement et Sociétés (LIENSs), UMR 7266 CNRS-La Rochelle Université, 2 Rue Olympe de Gouges, La Rochelle FR-17000, France
| | - Sophie Gentès
- Littoral, Environnement et Sociétés (LIENSs), UMR 7266 CNRS-La Rochelle Université, 2 Rue Olympe de Gouges, La Rochelle FR-17000, France
| | - Samuel Perret
- CEFE, UMR 5175, CNRS─Université de Montpellier─Université Paul-Valéry Montpellier─EPHE, Montpellier 34090, France
| | - Eric Ste-Marie
- McGill University─Macdonald Campus, 21111 Lakeshore Dr, Sainte-Anne-de-Bellevue, Quebec H9X 3V9, Canada
| | | | - Jérôme Fort
- Littoral, Environnement et Sociétés (LIENSs), UMR 7266 CNRS-La Rochelle Université, 2 Rue Olympe de Gouges, La Rochelle FR-17000, France
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Mercury Chloride Affects Band 3 Protein-Mediated Anionic Transport in Red Blood Cells: Role of Oxidative Stress and Protective Effect of Olive Oil Polyphenols. Cells 2023; 12:cells12030424. [PMID: 36766766 PMCID: PMC9913727 DOI: 10.3390/cells12030424] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Revised: 01/19/2023] [Accepted: 01/25/2023] [Indexed: 01/31/2023] Open
Abstract
Mercury is a toxic heavy metal widely dispersed in the natural environment. Mercury exposure induces an increase in oxidative stress in red blood cells (RBCs) through the production of reactive species and alteration of the endogenous antioxidant defense system. Recently, among various natural antioxidants, the polyphenols from extra-virgin olive oil (EVOO), an important element of the Mediterranean diet, have generated growing interest. Here, we examined the potential protective effects of hydroxytyrosol (HT) and/or homovanillyl alcohol (HVA) on an oxidative stress model represented by human RBCs treated with HgCl2 (10 µM, 4 h of incubation). Morphological changes as well as markers of oxidative stress, including thiobarbituric acid reactive substance (TBARS) levels, the oxidation of protein sulfhydryl (-SH) groups, methemoglobin formation (% MetHb), apoptotic cells, a reduced glutathione/oxidized glutathione ratio, Band 3 protein (B3p) content, and anion exchange capability through B3p were analyzed in RBCs treated with HgCl2 with or without 10 μM HT and/or HVA pre-treatment for 15 min. Our data show that 10 µM HT and/or HVA pre-incubation impaired both acanthocytes formation, due to 10 µM HgCl2, and mercury-induced oxidative stress injury and, moreover, restored the endogenous antioxidant system. Interestingly, HgCl2 treatment was associated with a decrease in the rate constant for SO42- uptake through B3p as well as MetHb formation. Both alterations were attenuated by pre-treatment with HT and/or HVA. These findings provide mechanistic insights into benefits deriving from the use of naturally occurring polyphenols against oxidative stress induced by HgCl2 on RBCs. Thus, dietary supplementation with polyphenols might be useful in populations exposed to HgCl2 poisoning.
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Shalan MG. Amelioration of mercuric chloride-induced physiologic and histopathologic alterations in rats using vitamin E and zinc chloride supplement. Heliyon 2022; 8:e12036. [PMID: 36544834 PMCID: PMC9761730 DOI: 10.1016/j.heliyon.2022.e12036] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Revised: 09/26/2022] [Accepted: 11/24/2022] [Indexed: 12/11/2022] Open
Abstract
The drastic effects of mercuric chloride and the protective efficiency of vitamin E and zinc chloride co-supplementation were clearly investigated in this study. Male rats were divided into four groups. The first was the control. The second received vitamin E (100 mg/kg) and zinc chloride (30 mg/kg) daily. In comparison, the third received mercuric chloride (1 mg/kg) daily, and the fourth received the same mercuric chloride dose supplemented with the same vitamin E and zinc chloride doses. Mercury promotes a significant decline in body weight. It causes a considerable reduction in total red blood cells (RBCs) count and hemoglobin concentration; however, white blood cells (WBCs) increased significantly. Significant mercury-induced elevations in hepatic and renal functions were observed. Mercury induced substantial reductions in catalase (CAT) and superoxide dismutase (SOD). Mercury caused apoptotic DNA fragmentation. It induced degeneration and necrosis in the liver and kidney. It induced necrosis, leukocyte infiltration and blood vessel congestion in the cerebral cortex. Shrinkage and deterioration of Purkinje cells of the cerebellum were observed in response to mercuric chloride toxicity. Mercuric chloride enhanced shrinking in seminiferous tubules and Leydig cells. It reduced sperm count, sperm motility, and testosterone concentration; however, it promoted abnormal sperm morphology. Administration of vitamin E and zinc chloride showed marked improvement in different parameters under investigation, however, further research is needed to determine fate of mercury.
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Notariale R, Perrone P, Mele L, Lettieri G, Piscopo M, Manna C. Olive Oil Phenols Prevent Mercury-Induced Phosphatidylserine Exposure and Morphological Changes in Human Erythrocytes Regardless of Their Different Scavenging Activity. Int J Mol Sci 2022; 23:ijms23105693. [PMID: 35628502 PMCID: PMC9147954 DOI: 10.3390/ijms23105693] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2022] [Revised: 05/11/2022] [Accepted: 05/16/2022] [Indexed: 02/05/2023] Open
Abstract
Phosphatidylserine (PS) translocation to the external membrane leaflet represents a key mechanism in the pathophysiology of human erythrocytes (RBC) acting as an "eat me" signal for the removal of aged/stressed cells. Loss of physiological membrane asymmetry, however, can lead to adverse effects on the cardiovascular system, activating a prothrombotic activity. The data presented indicate that structurally related olive oil phenols prevent cell alterations induced in intact human RBC exposed to HgCl2 (5-40 µM) or Ca2+ ionophore (5 µM), as measured by hallmarks including PS exposure, reactive oxygen species generation, glutathione depletion and microvesicles formation. The protective effect is observed in a concentration range of 1-30 µM, hydroxytyrosol being the most effective; its in vivo metabolite homovanillic alcohol still retains the biological activity of its dietary precursor. Significant protection is also exerted by tyrosol, in spite of its weak scavenging activity, indicating that additional mechanisms are involved in the protective effect. When RBC alterations are mediated by an increase in intracellular calcium, the protective effect is observed at higher concentrations, indicating that the selected phenols mainly act on Ca2+-independent mechanisms, identified as protection of glutathione depletion. Our findings strengthen the nutritional relevance of olive oil bioactive compounds in the claimed health-promoting effects of the Mediterranean Diet.
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Affiliation(s)
- Rosaria Notariale
- Department of Precision Medicine, School of Medicine, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy; (R.N.); (P.P.)
| | - Pasquale Perrone
- Department of Precision Medicine, School of Medicine, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy; (R.N.); (P.P.)
| | - Luigi Mele
- Department of Experimental Medicine, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy;
| | - Gennaro Lettieri
- Department of Biology, University of Naples Federico II, 80126 Naples, Italy; (G.L.); (M.P.)
| | - Marina Piscopo
- Department of Biology, University of Naples Federico II, 80126 Naples, Italy; (G.L.); (M.P.)
| | - Caterina Manna
- Department of Precision Medicine, School of Medicine, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy; (R.N.); (P.P.)
- Correspondence:
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Vianna ADS, Câmara VDM, Barbosa MCDM, Santos ADSE, Asmus CIRF, Luiz RR, Jesus IMD. Exposição ao mercúrio e anemia em crianças e adolescentes de seis comunidades da Amazônia Brasileira. CIENCIA & SAUDE COLETIVA 2022; 27:1859-1871. [DOI: 10.1590/1413-81232022275.08842021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2020] [Accepted: 06/01/2021] [Indexed: 12/23/2022] Open
Abstract
Resumo O mercúrio (Hg) é uma substância tóxica, sendo o consumo de pescados uma das principais fontes de exposição da população. Este artigo visa avaliar a associação entre anemia e exposição ao Hg na população infanto-juvenil de seis comunidades ribeirinhas da Amazônia Brasileira. Realizou-se a análise secundária de dados de estudos seccionais, incluindo 1.318 indivíduos, divididos em dois grupos segundo a influência do garimpo (grupo A sob influência, e grupo B sem influência). Métodos de análise multivariada foram realizados para verificar a associação entre variável de exposição (Hg no cabelo) e anemia, estratificando pelos grupos. Foram observados 348 casos de anemia (27,1%), sendo 206 entre o grupo B e 142 no grupo A. Houve diferença na mediana dos níveis de Hg entre os grupos (A = 12,8µg/g e B = 4,3µg/g, p = 0,01). Foi observada associação entre Hg no cabelo ≥ 6,0µg/g e anemia (OR = 1,38; IC95% = 1,02-1,87), fato que foi magnificado para o grupo A quando realizada estratificação (OR = 2,23; IC95% = 1,28-3,90). O estudo mostrou elevados níveis de Hg, principalmente no grupo A, e que essa substância pode ser um possível fator de risco para anemia. Além disso, as áreas geográficas pareceram modificar esse efeito, apontando para influência de outros fatores, fato que deve ser melhor avaliado.
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Lettieri G, Carusone N, Notariale R, Prisco M, Ambrosino A, Perrella S, Manna C, Piscopo M. Morphological, Gene, and Hormonal Changes in Gonads and In-Creased Micrococcal Nuclease Accessibility of Sperm Chromatin Induced by Mercury. Biomolecules 2022; 12:87. [PMID: 35053235 PMCID: PMC8773939 DOI: 10.3390/biom12010087] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Revised: 12/22/2021] [Accepted: 01/04/2022] [Indexed: 02/04/2023] Open
Abstract
Mercury is one of the most dangerous environmental pollutants. In this work, we analysed the effects of exposure of Mytilus galloprovincialis to 1, 10 and 100 pM HgCl2 for 24 h on the gonadal morphology and on the expression level of three stress genes: mt10, hsp70 and πgst. In this tissue we also evaluated the level of steroidogenic enzymes 3β-HSD and 17β-HSD and the expression of PL protein genes. Finally, we determined difference in sperm chromatin accessibility to micrococcal nuclease. We found alterations in gonadal morphology especially after exposure to 10 and 100 pM HgCl2 and hypo-expression of the three stress genes, particularly for hsp70. Furthermore, decreased labelling with both 3β-HSD and 17β-HSD antibodies was observed following exposure to 1 and 10 pM HgCl2 and complete absence at 100 pM HgCl2 exposure. Gonads of mussels exposed to all HgCl2 doses showed decreased expression of PL protein genes especially for PLIII. Finally, micrococcal nuclease digestions showed that all doses of HgCl2 exposure resulted in increased sperm chromatin accessibility to this enzyme, indicative of improper sperm chromatin structure. All of these changes provide preliminary data of the potential toxicity of mercury on the reproductive health of this mussel.
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Affiliation(s)
- Gennaro Lettieri
- Department of Biology, University of Naples Federico II, Via Cinthia, 21, 80126 Naples, Italy; (G.L.); (N.C.); (M.P.); (A.A.); (S.P.)
| | - Nadia Carusone
- Department of Biology, University of Naples Federico II, Via Cinthia, 21, 80126 Naples, Italy; (G.L.); (N.C.); (M.P.); (A.A.); (S.P.)
| | - Rosaria Notariale
- Department of Precision Medicine, School of Medicine, University of Campania “Luigi Vanvitelli”, Via Luigi de Crecchio, 80138 Naples, Italy; (R.N.); (C.M.)
| | - Marina Prisco
- Department of Biology, University of Naples Federico II, Via Cinthia, 21, 80126 Naples, Italy; (G.L.); (N.C.); (M.P.); (A.A.); (S.P.)
| | - Alessia Ambrosino
- Department of Biology, University of Naples Federico II, Via Cinthia, 21, 80126 Naples, Italy; (G.L.); (N.C.); (M.P.); (A.A.); (S.P.)
| | - Shana Perrella
- Department of Biology, University of Naples Federico II, Via Cinthia, 21, 80126 Naples, Italy; (G.L.); (N.C.); (M.P.); (A.A.); (S.P.)
| | - Caterina Manna
- Department of Precision Medicine, School of Medicine, University of Campania “Luigi Vanvitelli”, Via Luigi de Crecchio, 80138 Naples, Italy; (R.N.); (C.M.)
| | - Marina Piscopo
- Department of Biology, University of Naples Federico II, Via Cinthia, 21, 80126 Naples, Italy; (G.L.); (N.C.); (M.P.); (A.A.); (S.P.)
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11
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Petry-Podgórska I, Schrenková V, Migašová M, Matoušek T, Kratzer J. Speciation analysis of mercury employing volatile species generation: Approaches to reliable determination in blood and hair. Microchem J 2021. [DOI: 10.1016/j.microc.2021.106606] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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12
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Could Kallikrein-Related Serine Peptidase 3 Be an Early Biomarker of Environmental Exposure in Young Women? INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph18168833. [PMID: 34444582 PMCID: PMC8392638 DOI: 10.3390/ijerph18168833] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Revised: 08/18/2021] [Accepted: 08/19/2021] [Indexed: 11/16/2022]
Abstract
Bisphenols and phthalates affect androgen receptor-mediated signaling that directly regulates Kallikrein-Related serine Peptidase 3 (KLK3) secretion, indicating that environmental factors may play a role in KLK3 secretion. With the aim of obtaining preliminary data on whether KLK3 could serve as an early marker of environmental pollution effects, in 61 and 58 healthy women living in a high environmental impact (HEI) and low environmental impact (LEI) area, respectively, serum KLK3 levels at different phases of menstrual cycle were measured. KLK3 values resulted in always being higher in the HEI group with respect to the LEI group. These differences were particularly relevant in the ovulatory phase (cycle day 12°–13°) of the menstrual cycle. The differences in KLK3 values during the three phases of the menstrual cycle were significant in the LEI group differently from the HEI group. In addition, higher progesterone levels were observed in the LEI group with respect to the HEI group in the luteal phase, indicating an opposite trend of KLK3 and progesterone in this phase of the menstrual cycle. Although changes in KLK3 could also depend on other factors, these preliminary data could be an early indication of an expanding study of the role of biomarkers in assessing early environmental effects for female reproductive health.
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13
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Erythrocytes as a Model for Heavy Metal-Related Vascular Dysfunction: The Protective Effect of Dietary Components. Int J Mol Sci 2021; 22:ijms22126604. [PMID: 34203038 PMCID: PMC8235350 DOI: 10.3390/ijms22126604] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2021] [Revised: 06/16/2021] [Accepted: 06/18/2021] [Indexed: 12/17/2022] Open
Abstract
Heavy metals are toxic environmental pollutants associated with severe ecological and human health risks. Among them is mercury (Hg), widespread in air, soil, and water, due to its peculiar geo-biochemical cycle. The clinical consequences of Hg exposure include neurotoxicity and nephrotoxicity. Furthermore, increased risk for cardiovascular diseases is also reported due to a direct effect on cardiovascular tissues, including endothelial cells, recently identified as important targets for the harmful action of heavy metals. In this review, we will discuss the rationale for the potential use of erythrocytes as a surrogate model to study Hg-related toxicity on the cardiovascular system. The toxic effects of Hg on erythrocytes have been amply investigated in the last few years. Among the observed alterations, phosphatidylserine exposure has been proposed as an underlying mechanism responsible for Hg-induced increased proatherogenic and prothrombotic activity of these cells. Furthermore, following Hg-exposure, a decrease in NOS activity has also been reported, with consequent lowering of NO bioavailability, thus impairing endothelial function. An additional mechanism that may induce a decrease in NO availability is the generation of an oxidative microenvironment. Finally, considering that chronic Hg exposure mainly occurs through contaminated foods, the protective effect of dietary components is also discussed.
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14
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Lettieri G, Notariale R, Carusone N, Giarra A, Trifuoggi M, Manna C, Piscopo M. New Insights into Alterations in PL Proteins Affecting Their Binding to DNA after Exposure of Mytilus galloprovincialis to Mercury-A Possible Risk to Sperm Chromatin Structure? Int J Mol Sci 2021; 22:5893. [PMID: 34072703 PMCID: PMC8198333 DOI: 10.3390/ijms22115893] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Revised: 05/14/2021] [Accepted: 05/28/2021] [Indexed: 12/13/2022] Open
Abstract
Mercury (Hg) is a highly toxic and widespread pollutant. We previously reported that the exposure of Mytilus galloprovincialis for 24 h to doses of HgCl2 similar to those found in seawater (range 1-100 pM) produced alterations in the properties of protamine-like (PL) proteins that rendered them unable to bind and protect DNA from oxidative damage. In the present work, to deepen our studies, we analyzed PL proteins by turbidimetry and fluorescence spectroscopy and performed salt-induced release analyses of these proteins from sperm nuclei after the exposure of mussels to HgCl2 at the same doses. Turbidity assays indicated that mercury, at these doses, induced PL protein aggregates, whereas fluorescence spectroscopy measurements showed mercury-induced conformational changes. Indeed, the mobility of the PLII band changed in sodium dodecyl sulphate-polyacrylamide gel electrophoresis, particularly after exposure to 10-pM HgCl2, confirming the mercury-induced structural rearrangement. Finally, exposure to HgCl2 at all doses produced alterations in PL-DNA binding, detectable by DNA absorption spectra after the PL protein addition and by a decreased release of PLII and PLIII from the sperm nuclei. In conclusion, in this paper, we reported Hg-induced PL protein alterations that could adversely affect mussel reproductive activity, providing an insight into the molecular mechanism of Hg-related infertility.
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Affiliation(s)
- Gennaro Lettieri
- Department of Biology, University of Naples Federico II, Via Cinthia, 21, 80126 Naples, Italy; (G.L.); (N.C.)
| | - Rosaria Notariale
- Department of Precision Medicine, School of Medicine, University of Campania “Luigi Vanvitelli”, via Luigi de Crecchio, 80138 Naples, Italy; (R.N.); (C.M.)
| | - Nadia Carusone
- Department of Biology, University of Naples Federico II, Via Cinthia, 21, 80126 Naples, Italy; (G.L.); (N.C.)
| | - Antonella Giarra
- Department of Chemical Sciences, University of Naples Federico II, Via Cinthia, 21, 80126 Naples, Italy; (A.G.); (M.T.)
| | - Marco Trifuoggi
- Department of Chemical Sciences, University of Naples Federico II, Via Cinthia, 21, 80126 Naples, Italy; (A.G.); (M.T.)
| | - Caterina Manna
- Department of Precision Medicine, School of Medicine, University of Campania “Luigi Vanvitelli”, via Luigi de Crecchio, 80138 Naples, Italy; (R.N.); (C.M.)
| | - Marina Piscopo
- Department of Biology, University of Naples Federico II, Via Cinthia, 21, 80126 Naples, Italy; (G.L.); (N.C.)
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15
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Remigante A, Morabito R, Marino A. Band 3 protein function and oxidative stress in erythrocytes. J Cell Physiol 2021; 236:6225-6234. [PMID: 33559172 DOI: 10.1002/jcp.30322] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2020] [Revised: 01/24/2021] [Accepted: 01/28/2021] [Indexed: 12/17/2022]
Abstract
Band 3 protein (B3p), anion transporter, allows the HCO3 - /Cl- exchange across plasma membrane and plays an important role for erythrocytes homeostasis. In addition, B3p is linked to proteins cytoskeleton, thus contributing to cell shape and deformability, essential to erythrocytes adjustment within narrowest capillaries. Taking into account that erythrocytes are a suitable cell model to investigate the response of the oxidative stress effects, B3p functions, and specifically anion exchange capability, determining the rate constant for SO4 2- uptake, has been considered. As, in the latter years, rising attention has been addressed to membrane transport system, and particularly to this protein, the present mini-review has been conceived to report the most recent knowledge about B3p, with specific regard to its functions in oxidative stress conditions, including oxidative stress-related diseases.
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Affiliation(s)
- Alessia Remigante
- Institute of Biophysics, National Research Council, Genoa, Italy.,Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina, Italy
| | - Rossana Morabito
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina, Italy
| | - Angela Marino
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina, Italy
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16
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Lettieri G, Notariale R, Ambrosino A, Di Bonito A, Giarra A, Trifuoggi M, Manna C, Piscopo M. Spermatozoa Transcriptional Response and Alterations in PL Proteins Properties after Exposure of Mytilus galloprovincialis to Mercury. Int J Mol Sci 2021; 22:ijms22041618. [PMID: 33562685 PMCID: PMC7915165 DOI: 10.3390/ijms22041618] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2020] [Revised: 01/21/2021] [Accepted: 02/03/2021] [Indexed: 12/18/2022] Open
Abstract
Mercury (Hg) is an environmental pollutant that impacts human and ecosystem health. In our previous works, we reported alterations in the properties of Mytilus galloprovincialis protamine-like (PL) proteins after 24 h of exposure to subtoxic doses of toxic metals such as copper and cadmium. The present work aims to assess the effects of 24 h of exposure to 1, 10, and 100 pM HgCl2 on spermatozoa and PL proteins of Mytilus galloprovincialis. Inductively coupled plasma–mass spectrometry indicated accumulation of this metal in the gonads of exposed mussels. Further, RT-qPCR analyses showed altered expression levels of spermatozoa mt10 and hsp70 genes. In Mytilus galloprovincialis, PL proteins represent the major basic component of sperm chromatin. These proteins, following exposure of mussels to HgCl2, appeared, by SDS-PAGE, partly as aggregates and showed a decreased DNA-binding capacity that rendered them unable to prevent DNA damage, in the presence of CuCl2 and H2O2. These results demonstrate that even these doses of HgCl2 exposure could affect the properties of PL proteins and result in adverse effects on the reproductive system of this organism. These analyses could be useful in developing rapid and efficient chromatin-based genotoxicity assays for pollution biomonitoring programs.
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Affiliation(s)
- Gennaro Lettieri
- Department of Biology, University of Naples Federico II, Via Cinthia, 21, 80126 Naples, Italy; (G.L.); (A.A.); (A.D.B.)
| | - Rosaria Notariale
- Department of Precision Medicine, School of Medicine, University of Campania “Luigi Vanvitelli”, Via Luigi de Crecchio, 80138 Naples, Italy; (R.N.); (C.M.)
| | - Alessia Ambrosino
- Department of Biology, University of Naples Federico II, Via Cinthia, 21, 80126 Naples, Italy; (G.L.); (A.A.); (A.D.B.)
| | - Alfredo Di Bonito
- Department of Biology, University of Naples Federico II, Via Cinthia, 21, 80126 Naples, Italy; (G.L.); (A.A.); (A.D.B.)
| | - Antonella Giarra
- Department of Chemical Sciences, University of Naples Federico II, Via Cinthia, 21, 80126 Naples, Italy; (A.G.); (M.T.)
| | - Marco Trifuoggi
- Department of Chemical Sciences, University of Naples Federico II, Via Cinthia, 21, 80126 Naples, Italy; (A.G.); (M.T.)
| | - Caterina Manna
- Department of Precision Medicine, School of Medicine, University of Campania “Luigi Vanvitelli”, Via Luigi de Crecchio, 80138 Naples, Italy; (R.N.); (C.M.)
| | - Marina Piscopo
- Department of Biology, University of Naples Federico II, Via Cinthia, 21, 80126 Naples, Italy; (G.L.); (A.A.); (A.D.B.)
- Correspondence:
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17
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Lettieri G, Marra F, Moriello C, Prisco M, Notari T, Trifuoggi M, Giarra A, Bosco L, Montano L, Piscopo M. Molecular Alterations in Spermatozoa of a Family Case Living in the Land of Fires. A First Look at Possible Transgenerational Effects of Pollutants. Int J Mol Sci 2020; 21:ijms21186710. [PMID: 32933216 PMCID: PMC7555199 DOI: 10.3390/ijms21186710] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2020] [Revised: 09/09/2020] [Accepted: 09/11/2020] [Indexed: 02/07/2023] Open
Abstract
In our previous work, we reported alterations in protamines/histones ratio, in DNA binding of these proteins and their involvement in DNA oxidative damage in 84% of the young men living in the Land of Fires. In the present work, we extended our findings, evaluating any alterations in spermatozoa of a family case, a father and son, living in this area, to also give a first look at the possibility of transgenerational inherited effects of environmental contaminants on the molecular alterations of sperm nuclear basic proteins (SNBP), DNA and semen parameters. In the father and son, we found a diverse excess of copper and chromium in the semen, different alterations in SNBP content and low DNA binding affinity of these proteins. In addition, DNA damage, in the presence of CuCl2 and H2O2, increased by adding both the father and son SNBP. Interestingly, son SNBP, unlike his father, showed an unstable DNA binding and were able to produce DNA damage even without external addition of CuCl2, in line with a lower seminal antioxidant activity than the father. The peculiarity of some characteristics of son semen could be a basis for possible future studies on transgenerational effects of pollutants on fertility.
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Affiliation(s)
- Gennaro Lettieri
- Department of Biology, University of Naples Federico II, 80126 Napoli, Italy; (G.L.); (F.M.); (C.M.); (M.P.)
| | - Federica Marra
- Department of Biology, University of Naples Federico II, 80126 Napoli, Italy; (G.L.); (F.M.); (C.M.); (M.P.)
| | - Claudia Moriello
- Department of Biology, University of Naples Federico II, 80126 Napoli, Italy; (G.L.); (F.M.); (C.M.); (M.P.)
| | - Marina Prisco
- Department of Biology, University of Naples Federico II, 80126 Napoli, Italy; (G.L.); (F.M.); (C.M.); (M.P.)
| | - Tiziana Notari
- Check Up—Day Surgery, Polydiagnostic and Research Centre, Reproductive Medicine Unit, 84131 Salerno, Italy;
| | - Marco Trifuoggi
- Department of Chemical Sciences, University of Naples Federico II, Via Cinthia, 21, 80126 Naples, Italy; (M.T.); (A.G.)
| | - Antonella Giarra
- Department of Chemical Sciences, University of Naples Federico II, Via Cinthia, 21, 80126 Naples, Italy; (M.T.); (A.G.)
| | - Liana Bosco
- Department of Biological, Chemistry and Pharmaceutical Sciences and Technologies, University of Palermo, Viale delle Scienze Ed.16, 90128 Palermo, Italy;
| | - Luigi Montano
- Andrology Unit of the “S. Francesco d’Assisi” Hospital, Local Health Authority (ASL) Salerno, EcoFoodFertility Project Coordination Unit, 84020 Oliveto Citra, Italy
- Correspondence: (L.M.); (M.P.); Tel.: +39-082-879-7111 (ext. 271) (L.M.); +39-081-679-081 (M.P.)
| | - Marina Piscopo
- Department of Biology, University of Naples Federico II, 80126 Napoli, Italy; (G.L.); (F.M.); (C.M.); (M.P.)
- Correspondence: (L.M.); (M.P.); Tel.: +39-082-879-7111 (ext. 271) (L.M.); +39-081-679-081 (M.P.)
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