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Wang H, Chen Y, Mo M, Dorsel PKP, Wu C. Visualized adsorption and enhanced photocatalytic removal of Cr 6+ by carbon dots-incorporated fluorescent nanocellulose aerogels. Int J Biol Macromol 2023; 253:127206. [PMID: 37793519 DOI: 10.1016/j.ijbiomac.2023.127206] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Revised: 09/13/2023] [Accepted: 09/30/2023] [Indexed: 10/06/2023]
Abstract
In this study, carbon dots (CDs) and titanate nanofibers (TNs) were mixed with TEMPO-oxidized nanocellulose (TOCNC) to prepare fluorescent nanocellulose aerogels (FNAs) by a Schiff base reaction. The resulting FNA can detect the adsorption of Cr6+ through the fluorescence quenching in CDs and promote the removal of Cr6+ through the synergistic effect of CDs in photocatalysis. The optimized FNA has a maximum adsorption capacity of 543.38 mg/g, higher than most reported Cr6+ adsorbents. This excellent performance is due to the porous structure of the aerogel, which gives it a high specific surface area of 20.53 m2/g and provides abundant adsorption sites. Simultaneously, CDs can enhance the amino-induced Cr6+ adsorption, improve the photocatalytic performance of TNs, and expose more adsorption sites through electrostatic adsorption of amino-induced reduction products (Cr3+). This study explores the preparation of visualized nanosorbents with enhanced photocatalytic removal of Cr6+ and provides a new direction for nanoscale photocatalysts.
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Affiliation(s)
- Hanyu Wang
- State Key Laboratory of Biobased Material and Green Papermaking,Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, Shandong, China
| | - Yehong Chen
- State Key Laboratory of Biobased Material and Green Papermaking,Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, Shandong, China.
| | - Meiqing Mo
- State Key Laboratory of Biobased Material and Green Papermaking,Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, Shandong, China
| | - Padonou-Kengue Patrick Dorsel
- State Key Laboratory of Biobased Material and Green Papermaking,Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, Shandong, China
| | - Chaojun Wu
- State Key Laboratory of Biobased Material and Green Papermaking,Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, Shandong, China.
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2
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Salami OS, Adeyemi JA, Olawuyi TS, Barbosa F, Adedire CO. Tissue Distributions and Toxic Effects of Hexavalent Chromium in Laboratory-Exposed Periwinkle ( Littorina littorea Linnaeus). Animals (Basel) 2023; 13:3412. [PMID: 37958167 PMCID: PMC10649957 DOI: 10.3390/ani13213412] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Revised: 10/31/2023] [Accepted: 11/01/2023] [Indexed: 11/15/2023] Open
Abstract
The increased use of hexavalent chromium (Cr6+) in various industrial applications has contributed to its elevated levels in the environment, especially the aquatic environment. Thus, there is the potential for accumulation of Cr6+ in the tissues of aquatic organisms and consequent toxic effects. The toxic effects of Cr6+ in aquatic organisms have been widely reported; however, little is known about the patterns of tissue accumulation of Cr6+ and its toxicity in aquatic mollusks. Thus, the present study investigated the effects of Cr6+ exposure on the tissue distribution, proximate composition, and histopathology of an aquatic mollusk, periwinkle (Littorina littorea). The animals were exposed to sublethal concentrations of Cr6+ (0.42, 0.84, and 4.2 mg/L) for 30 days, after which the condition index, tissue accumulation, proximate composition, and histopathological effects were determined. The control animals were maintained in a medium that did not contain Cr6+ (0 mg/L). The condition index did not differ significantly among the groups. The levels of Cr6+ in the tissues differed significantly among the different tissue types while there was no significant effect of the exposure concentration, except in the foot tissue. The proximate parameters (protein, carbohydrates, lipid, crude fiber, and moisture contents) differed significantly among the groups. The protein contents of the exposed animals were significantly lower than those of the control animals and the histological architecture of the major organs was altered in the chromium-exposed animals. The findings from this study indicate a low potential of L. littorea to bioaccumulate Cr6+ in its tissues at the low exposure concentrations tested in this study; as such, its consumption may not pose any serious health risks to humans. However, changes in the proximate composition and histological architecture of the exposed L. littorea show that Cr6+ is potentially toxic to periwinkles.
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Affiliation(s)
- Olufemi S. Salami
- Department of Biology, School of Life Sciences, Federal University of Technology, Akure P.O. Box 704, Nigeria; (O.S.S.); (C.O.A.)
| | - Joseph A. Adeyemi
- Department of Biology, School of Life Sciences, Federal University of Technology, Akure P.O. Box 704, Nigeria; (O.S.S.); (C.O.A.)
- Department of Clinical Analyses, Toxicology and Food Sciences, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Avenida do Café s/no, Ribeirão Preto 14040-903, Brazil;
| | - Toluwase S. Olawuyi
- Department of Human Anatomy, School of Basic Medical Sciences, Federal University of Technology, Akure P.O. Box 704, Nigeria;
| | - Fernando Barbosa
- Department of Clinical Analyses, Toxicology and Food Sciences, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Avenida do Café s/no, Ribeirão Preto 14040-903, Brazil;
| | - Chris O. Adedire
- Department of Biology, School of Life Sciences, Federal University of Technology, Akure P.O. Box 704, Nigeria; (O.S.S.); (C.O.A.)
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3
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Murthy MK, Khandayataray P, Padhiary S, Samal D. A review on chromium health hazards and molecular mechanism of chromium bioremediation. REVIEWS ON ENVIRONMENTAL HEALTH 2023; 38:461-478. [PMID: 35537040 DOI: 10.1515/reveh-2021-0139] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/04/2021] [Accepted: 04/19/2022] [Indexed: 05/13/2023]
Abstract
Living beings have been devastated by environmental pollution, which has reached its peak. The disastrous pollution of the environment is in large part due to industrial wastes containing toxic pollutants. The widespread use of chromium (Cr (III)/Cr (VI)) in industries, especially tanneries, makes it one of the most dangerous environmental pollutants. Chromium pollution is widespread due to ineffective treatment methods. Bioremediation of chromium (Cr) using bacteria is very thoughtful due to its eco-friendly and cost-effective outcome. In order to counter chromium toxicity, bacteria have numerous mechanisms, such as the ability to absorb, reduce, efflux, or accumulate the metal. In this review article, we focused on chromium toxicity on human and environmental health as well as its bioremediation mechanism.
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Affiliation(s)
| | | | - Samprit Padhiary
- Department of Biotechnology, Academy of Management and Information Technology, Khordha, India
| | - Dibyaranjan Samal
- Department of Biotechnology, Academy of Management and Information Technology, Khordha, India
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4
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Zhang S, Chen A, Deng H, Jiang L, Liu X, Chai L. Intestinal response of Rana chensinensis larvae exposed to Cr and Pb, alone and in combination. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 255:114774. [PMID: 36931087 DOI: 10.1016/j.ecoenv.2023.114774] [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: 09/13/2022] [Revised: 03/06/2023] [Accepted: 03/11/2023] [Indexed: 06/18/2023]
Abstract
Although numerous investigations on the adverse impact of Cr and Pb have been performed, studies on intestinal homeostasis in amphibians are limited. Here, single and combined effects of Cr (104 μg/L) and Pb (50 μg/L) on morphological and histological features, bacterial community, digestive enzymes activities, as well as transcriptomic profile of intestines in Rana chensinensis tadpoles were assessed. Significant decrease in the relative intestine length (intestine length/snout-to-vent length, IL/SVL) was observed after exposure to Pb and Cr/Pb mixture. Intestinal histology and digestive enzymes activities were altered in metal treatment groups. In addition, treatment groups showed significantly increased bacterial richness and diversity. Tadpoles in treatment groups were observed to have differential gut bacterial composition from controls, especially for the abundance of phylum Proteobacteria, Firmicutes, Verrucomicrobia, Actinobacteria, and Fusobacteria as well as genus Citrobacter, Anaerotruncus, Akkermansia, and Alpinimonas. Moreover, transcriptomic analysis showed that the transcript expression profiles of GPx and SOD isoforms responded differently to Cr and/or Pb exposure. Besides, transcriptional activation of pro-apoptotic and glycolysis-related genes, such as Bax, Apaf 1, Caspase 3, PK, PGK, TPI, and GPI were detected in all treatment groups but downregulation of Bcl2 in Pb and Cr/Pb mixture groups. Collectively, these results suggested that Cr and Pb exposure at environmental relevant concentration, alone and in combination, could disrupt intestinal homeostasis of R. chensinensis tadpoles.
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Affiliation(s)
- Siliang Zhang
- School of Water and Environment, Chang'an University, Xi'an 710054, China; Key Laboratory of Subsurface Hydrology and Ecological Effect in Arid Region of Ministry of Education, Chang'an University, Xi'an 710054, China
| | - Aixia Chen
- School of Water and Environment, Chang'an University, Xi'an 710054, China
| | - Hongzhang Deng
- School of Water and Environment, Chang'an University, Xi'an 710054, China; Key Laboratory of Subsurface Hydrology and Ecological Effect in Arid Region of Ministry of Education, Chang'an University, Xi'an 710054, China
| | - Ling Jiang
- School of Water and Environment, Chang'an University, Xi'an 710054, China; Key Laboratory of Subsurface Hydrology and Ecological Effect in Arid Region of Ministry of Education, Chang'an University, Xi'an 710054, China
| | - Xiaoli Liu
- School of Water and Environment, Chang'an University, Xi'an 710054, China; Key Laboratory of Subsurface Hydrology and Ecological Effect in Arid Region of Ministry of Education, Chang'an University, Xi'an 710054, China
| | - Lihong Chai
- School of Water and Environment, Chang'an University, Xi'an 710054, China; Key Laboratory of Subsurface Hydrology and Ecological Effect in Arid Region of Ministry of Education, Chang'an University, Xi'an 710054, China.
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5
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Peluso J, Pérez Coll CS, Rojas DE, Cristos D, Aronzon CM. Ecotoxicological assessment of complex environmental matrices from the lower Paraná River basin. CHEMOSPHERE 2022; 305:135385. [PMID: 35753422 DOI: 10.1016/j.chemosphere.2022.135385] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Revised: 06/13/2022] [Accepted: 06/14/2022] [Indexed: 06/15/2023]
Abstract
Sediments of aquatic ecosystems constitute the fate of most atmospheric and terrestrial pollutants. Since aquatic organisms, such as amphibians, interact with sediments, the presence of pollutants may affect their survival, growth and reproduction. So, the aim of this study was to evaluate, the sediment and water quality of five sites from the lower basin of the Paraná River (Buenos Aires, Argentina) with different anthropic impacts: Morejón stream (S1), de la Cruz stream upstream (S2) and downstream (S3), Arrecifes river (S4), tributary stream of Arrecifes river (S5). Physicochemical parameters were measured in situ (water) and in laboratory (water and sediment samples). Also, a screening of metals and pesticides was performed. Chronic (504 h) lethal toxicity bioassays were performed exposing Rhinella arenarum larvae to sediment and water samples. Oxidative stress (catalase, superoxide dismutase, glutathione S transferase, reduced glutathione and lipid peroxidation) and genotoxicity (micronuclei test) biomarkers were analyzed at acute (96 h) exposure. According to the calculated water quality index, S1 and S3 showed excellent quality, S2 good quality and, S4 and S5 poor quality. Dissolved oxygen was low in all sites (2.26-5.63 mg/L) and S5 had the highest organic matter content. Copper levels exceeded the limit for the protection of aquatic life in S2 and S4; arsenic levels exceeded its limit in S4; and selenium levels exceeded its limit in S4 and S5. Pesticides were mainly detected in water samples. Sediment from S5 showed higher sulfide and organic matter concentrations. At 504 h, no significant mortality was observed in the control group while S5 caused the greatest mortality (80%), followed by S2 (66.67%), S1 (63.33%), S3 (46.67%) and S4 (43.4%). All samples caused oxidative stress and lipid peroxidation, and samples from S4 also caused genotoxicity. The analysis of sediment and water samples was a suitable approach to assess the effects of water bodies on a native amphibian species.
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Affiliation(s)
- Julieta Peluso
- Instituto de Investigación e Ingeniería Ambiental, IIIA, CONICET-UNSAM, 3iA, Campus Miguelete, 25 de Mayo y Francia, C.P. 1650, San Martín, Provincia de Buenos Aires, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Argentina
| | - Cristina S Pérez Coll
- Instituto de Investigación e Ingeniería Ambiental, IIIA, CONICET-UNSAM, 3iA, Campus Miguelete, 25 de Mayo y Francia, C.P. 1650, San Martín, Provincia de Buenos Aires, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Argentina
| | - Dante E Rojas
- Instituto Nacional de Tecnología Agropecuaria (INTA), Instituto Tecnología de Los Alimentos, Argentina
| | - Diego Cristos
- Instituto Nacional de Tecnología Agropecuaria (INTA), Instituto Tecnología de Los Alimentos, Argentina
| | - Carolina M Aronzon
- Instituto de Investigación e Ingeniería Ambiental, IIIA, CONICET-UNSAM, 3iA, Campus Miguelete, 25 de Mayo y Francia, C.P. 1650, San Martín, Provincia de Buenos Aires, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Argentina.
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6
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Murthy MK, Khandayataray P, Samal D. Chromium toxicity and its remediation by using endophytic bacteria and nanomaterials: A review. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2022; 318:115620. [PMID: 35772275 DOI: 10.1016/j.jenvman.2022.115620] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Revised: 05/13/2022] [Accepted: 06/23/2022] [Indexed: 06/15/2023]
Abstract
Chromium (Cr) is a crucial element for all life forms. Various anthropogenic activities have been responsible for environmental contamination with Cr (VI) in recent years. For this review, articles were collected using electronic databases such as Web of Science, Pubmed, ProQuest, and Google Scholar as per the guidelines of PRISMA-2015, applying the Boolean search methods. Chromium can cause severe health complications in humans and animals and threatens the surrounding environment, with negative impacts on crop yield, development, and quality. Hence, monitoring Cr contamination is essential, and various remediation technologies have emerged in the past 50 years to reduce the amount of Cr in the environment. This review focuses on chromium exposure and the associated environmental health risks. We also reviewed sustainable remediation processes, with emphasis on nanoparticle and endophytic remediation processes.
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Affiliation(s)
| | | | - Dibyaranjan Samal
- Department of Biotechnology, Academy of Management and Information Technology, VidyaVihar, IID Center, Khordha, Odisha, India
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7
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Wang W, Yang Y, Chen A, Song X, Chai L. Inhibition of Metamorphosis, Thyroid Gland, and Skeletal Ossification Induced by Hexavalent Chromium in Bufo gargarizans Larvae. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2021; 40:2474-2483. [PMID: 34003524 DOI: 10.1002/etc.5114] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/10/2020] [Revised: 01/19/2021] [Accepted: 05/07/2021] [Indexed: 06/12/2023]
Abstract
Hexavalent chromium (Cr [VI]) is one of the major detrimental heavy metal pollutants. In the present study, Bufo gargarizans were exposed to 0, 52, 104, 208, and 416 μg/L Cr (VI) from Gosner stage 2 until metamorphosis; and growth, development, and histological characteristics of the thyroid gland and skeletal ossification were examined. The results demonstrated that the survival rate of larvae exposed to Cr (VI) was not different from that measured in animals from the control group. However, high levels of Cr (VI) (104, 208, and 416 μg/L) were associated with significantly delayed growth and development. The suppression of skeletal ossification was observed at high Cr (VI) levels. Besides, histological alterations of the thyroid gland, such as follicular cell hyperplasia, colloid depletion, and peripheral colloid vacuolation, were found in 52 to 416 μg/L Cr (VI) treatments. The results of the present study highlight reductions in growth and development as well as percent metamorphosis and skeletal ossification due to histological alteration of the thyroid gland during exposure to Cr (VI) in B. gargarizans larvae. The present investigation could provide a basis for understanding the detrimental effects of Cr (VI) in amphibian larvae. Environ Toxicol Chem 2021;40:2474-2483. © 2021 SETAC.
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Affiliation(s)
- Wenxiang Wang
- School of Water and Environment, Chang'an University, Xi'an, China
- Key Laboratory of Subsurface Hydrology and Ecological Effect in Arid Region of Ministry of Education, Chang'an University, Xi'an, China
| | - Yijie Yang
- School of Water and Environment, Chang'an University, Xi'an, China
- Key Laboratory of Subsurface Hydrology and Ecological Effect in Arid Region of Ministry of Education, Chang'an University, Xi'an, China
| | - Aixia Chen
- School of Water and Environment, Chang'an University, Xi'an, China
- Key Laboratory of Subsurface Hydrology and Ecological Effect in Arid Region of Ministry of Education, Chang'an University, Xi'an, China
| | - Xiuling Song
- School of Water and Environment, Chang'an University, Xi'an, China
- Key Laboratory of Subsurface Hydrology and Ecological Effect in Arid Region of Ministry of Education, Chang'an University, Xi'an, China
| | - Lihong Chai
- School of Water and Environment, Chang'an University, Xi'an, China
- Key Laboratory of Subsurface Hydrology and Ecological Effect in Arid Region of Ministry of Education, Chang'an University, Xi'an, China
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8
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Pushkar B, Sevak P, Parab S, Nilkanth N. Chromium pollution and its bioremediation mechanisms in bacteria: A review. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2021; 287:112279. [PMID: 33706095 DOI: 10.1016/j.jenvman.2021.112279] [Citation(s) in RCA: 65] [Impact Index Per Article: 21.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2020] [Revised: 02/10/2021] [Accepted: 02/25/2021] [Indexed: 06/12/2023]
Abstract
Environment pollution is at its peak and is creating havoc for living beings. Industrial wastes containing toxic pollutants have contributed to a great extent in this disastrous environment pollution. Chromium (Cr3+/Cr6+) is highly toxic and one of the most common environmental pollutants because of its extensive use in industries especially tanneries. Lack of efficient treatment methods has resulted in extensive chromium pollution. Bioremediation of chromium using bacteria is very thoughtful due to its eco-friendly and cost-effective outcome. Bacteria possess numerous mechanisms such as biosorption, reduction, efflux or bioaccumulation, naturally or acquired to counter the toxicity of chromium. This review focuses on the bacterial responses against chromium toxicity and scope for their application in bioremediation. The differences and similarities between Gram negative and positive bacteria against chromium are also highlighted. Further, the knowledge gap and future prospects are also discussed in order to fill these gaps and overcome the problem associated with real-time applicability of bacterial bioremediation.
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Affiliation(s)
- Bhupendra Pushkar
- Department of Biotechnology, University of Mumbai, Kalina, Santacruz (E), Mumbai, 400098, Maharashtra, India; Global Biotech Forum, Maharashtra, India.
| | - Pooja Sevak
- Department of Biotechnology, University of Mumbai, Kalina, Santacruz (E), Mumbai, 400098, Maharashtra, India; Society for Innovations in Biosciences, Maharashtra, India
| | - Sejal Parab
- Department of Biotechnology, University of Mumbai, Kalina, Santacruz (E), Mumbai, 400098, Maharashtra, India
| | - Nikita Nilkanth
- Department of Biotechnology, University of Mumbai, Kalina, Santacruz (E), Mumbai, 400098, Maharashtra, India
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9
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Salla RF, Jones-Costa M, Abdalla FC, Vidal FAP, Boeing GANS, Oliveira CR, Silva-Zacarin ECM, Franco-Belussi L, Rizzi-Possignolo GM, Lambertini C, Toledo LF. Differential liver histopathological responses to amphibian chytrid infection. DISEASES OF AQUATIC ORGANISMS 2020; 142:177-187. [PMID: 33331285 DOI: 10.3354/dao03541] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Amphibians have been facing a pandemic caused by the deadly fungus Batrachochytrium dendrobatidis (Bd). Although studies have elucidated cutaneous and homeostatic disturbances, it is still unknown if the hepatic function can be affected or if hepatic effects differ among host species. Thus, we evaluated the effects of an experimental Bd infection on the liver (histopathology and the hepatosomatic index) of 2 anuran species (Xenopus laevis and Physalaemus albonotatus) with different susceptibilities to Bd infection and compared them to uninfected controls. Bd infection increased the melanomacrophage cell area and induced leukocyte infiltration in both species. The effects were more pronounced in the sensitive species, P. albonotatus, which showed severe reduction in glycogen stores and liver atrophy, due to energetic imbalance. Hepatocytes of P. albonotatus also showed ballooning degeneration (vacuolization), which could lead to cell death and liver failure. Our results provide evidence that although the sensitive species showed more severe effects, the tolerant species also had hepatic responses to the infection. These findings indicate that hepatic function can play an important role in detoxification and in immune responses to chytridiomycosis, and that it may be used as a new biomarker of health status in chytrid infections.
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Affiliation(s)
- Raquel F Salla
- Laboratory of Natural History of Brazilian Amphibians, Biology Institute, State University of Campinas, Campinas, São Paulo 13083-862, Brazil
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10
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Huang MY, Duan RY, Yin JW, Zhao Q, Wan YY, Liu Y. Individual and mixture toxicity of chromium and copper in development, oxidative stress, lipid metabolism and apoptosis of Bufo gargarizans embryos. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2020; 229:105671. [PMID: 33166901 DOI: 10.1016/j.aquatox.2020.105671] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/07/2020] [Revised: 10/14/2020] [Accepted: 10/26/2020] [Indexed: 06/11/2023]
Abstract
In natural ecosystems, living organisms are always subjected to a mixture of multiple heavy metals exposure, yet it is more common to study the effect of individual, rather than combined exposure. This study assessed the impacts of single or combined exposure to Cr and Cu on embryonic development, oxidative stress, lipid metabolism and apoptosis in the early development of Bufo gargarizans embryos. The total length, development stage and malformations of embryos were measured, and the mRNA expression of genes related to oxidative stress, lipid metabolism and apoptosis at Gs 18 and Gs 22 were determined by RT-qPCR. The results showed that all treatments significantly reduced the total length of embryos, delayed the stage of embryonic development and increased the proportion of malformed embryos. The Cr-Cu mixture treatment showed the greatest suppression of embryonic development and induced the highest rate of embryo malformation, compared to individual Cr and Cu treatments. In addition, the expression levels of oxidative stress genes (HSP90, SOD and GPx) and fatty acid β-oxidation-related genes (ACOXL, ECHS1 and SCP) showed an up-regulated trend in treatments compared to control groups. Conversely, the lipid synthesis-related mRNA gene expressions (KAR, TECR, ACSL3 and ACSL4) were down-regulated. Among them, the Cr-Cu mixture had the greatest impact on lipid metabolism gene expression. The treatments showed significant effects on the expression of apoptosis genes (Bcl-1 and Bax), with Bcl-1 mRNA expression increasing and Bax mRNA expression decreasing. These results indicated that exposure to individual Cr, Cu and a Cr-Cu mixture can lead to oxidative stress, disrupt lipid metabolism and promote apoptosis, and the Cr-Cu mixture could cause more serious negative effects on B. gargarizans embryos than Cr or Cu individually.
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Affiliation(s)
- Min-Yi Huang
- College of Agriculture and Biotechnology, Hunan University of Humanities, Science and Technology, Loudi 417000, Hunan, China
| | - Ren-Yan Duan
- College of Agriculture and Biotechnology, Hunan University of Humanities, Science and Technology, Loudi 417000, Hunan, China.
| | - Jia-Wei Yin
- College of Agriculture and Biotechnology, Hunan University of Humanities, Science and Technology, Loudi 417000, Hunan, China
| | - Qiang Zhao
- College of Agriculture and Biotechnology, Hunan University of Humanities, Science and Technology, Loudi 417000, Hunan, China
| | - Yu-Yue Wan
- College of Agriculture and Biotechnology, Hunan University of Humanities, Science and Technology, Loudi 417000, Hunan, China
| | - Yang Liu
- College of Agriculture and Biotechnology, Hunan University of Humanities, Science and Technology, Loudi 417000, Hunan, China
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11
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Prominent adsorption of Cr(VI) with graphene oxide aerogel twined with creeper-like polymer based on chitosan oligosaccharide. Carbohydr Polym 2020; 247:116733. [PMID: 32829854 DOI: 10.1016/j.carbpol.2020.116733] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2020] [Revised: 06/21/2020] [Accepted: 07/03/2020] [Indexed: 02/08/2023]
Abstract
Low-density aerogels with three-dimensional porous structure were synthesized using soluble chitosan oligosaccharide (COS) and graphene oxide (GO) as raw materials under mild conditions. Tetraethylenepentamine was used as the crosslinker of COS and the bridge between GO and COS, as well as the provider of functional groups. Structural characterizations revealed that crosslinked COS polymers firmly fixed on the surfaces of GO sheets and abundant amino groups homogeneously distributed in the pores. The adsorption capacity of the aerogel for Cr(VI) can reach up to 519.8 mg/g, while the adsorption efficiency for trace Cr(VI) adsorption can also reach 100% especially. The adsorption mechanism was investigated with X-ray photoelectron spectroscopy and zeta potential analysis. The superb properties suggested that the strategy of using COS as a raw material for the fabrication of adsorbents with controllable structure and form is meaningful.
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12
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Handa K, Jindal R. Genotoxicity induced by hexavalent chromium leading to eryptosis in Ctenopharyngodon idellus. CHEMOSPHERE 2020; 247:125967. [PMID: 32069732 DOI: 10.1016/j.chemosphere.2020.125967] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/04/2019] [Revised: 01/02/2020] [Accepted: 01/18/2020] [Indexed: 06/10/2023]
Abstract
The initiation of eryptosis as a result of genotoxic action of Cr(VI), seen through micronucleus and comet assay in the peripheral erythrocytes of Ctenopharyngodon idellus was evaluated through RT-qPCR. For this, fish was exposed to sublethal concentration of hexavalent chromium (5.30 and 10.63 mg/L), and the blood was sampled on different endpoints (15, 30 and 45 days). Accumulation of chromium in the erythrocytes was also studied, which depicted a significant increase in toxicant concentration and time dependent manner. Both concentrations of hexavalent chromium induced DNA damage, visible in the form of comet tails. The presence of micronuclei in the erythrocytes was accompanied with occurrence of nuclear bud (NBu), lobed nucleus (Lb), notched nucleus (Nt), vacuolated nucleus (Vn), binucleated cell (Bn) as nuclear abnormalities; and acanthocytes (Ac), echinocytes (Ec), notched cells (Nc), microcytes (Mc) and vacuolated cytoplasm (Vc) as cytoplasmic abnormalities. The expression of genes related to intrinsic apoptotic pathway induced by Cr(VI) presented significant (p < 0.05) upregulation in the expression of p53, Bax, Apaf-1, caspase9 and caspase3, and downregulation of Bcl2; inferring the initiation of apoptotic pathway. The ration of Bax and Bcl2 also appended the apoptotic state of the erythrocytes. From the present investigation, it can be concluded that genotoxicity induced by hexavalent chromium lead to eryptosis in C. idellus.
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Affiliation(s)
- Kriti Handa
- Aquatic Biology Laboratory, Department of Zoology, Panjab University, Chandigarh, 160014, India.
| | - Rajinder Jindal
- Aquatic Biology Laboratory, Department of Zoology, Panjab University, Chandigarh, 160014, India.
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Fernández MI, Paisio CE, González PS, Perotti R, Meringer V, Villasuso AL, Agostini E. Deepening the knowledge on the removal of Cr(VI) by L. minuta Kunth: removal efficiency and mechanisms, lipid signaling pathways, antioxidant response, and toxic effects. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:14567-14580. [PMID: 32048195 DOI: 10.1007/s11356-020-07884-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/16/2019] [Accepted: 01/27/2020] [Indexed: 06/10/2023]
Abstract
Lemna minuta Kunth was used to remove Cr(VI) from aqueous solutions, and some of the mechanisms involved in this process were analyzed. In addition, the cellular signaling mediated by phospholipase D activity as well as antioxidant responses was also evaluated during the process. Cr(VI) removal efficiencies were 40% for 0.5 mg/L, after 24 h, and up to 18% at metal concentrations as high as 5 mg/L. Removal mechanisms displayed by these macrophytes include bioadsorption to cell surfaces and, to a greater extent, Cr internalization and bioaccumulation within cells. Inside of them, Cr(VI) was reduced to Cr(III), a less toxic form of this metal. At the first hours of Cr(VI) exposure, plants were able to sense chromium, activating membrane signal transduction pathways mediated by phospholipase D and phosphatidic acid. Moreover, an increase in the activity of antioxidant enzymes such as superoxide dismutases and peroxidases was observed in the same time. These and other components of the antioxidant defense system would help to reduce the stress generated by the metal. The toxicity of the products formed during the removal process was assessed through Lactuca sativa L. and AMPHIAGU test. It was evidenced that Cr(VI) phytoremediation process by L. minuta plants did not generate acute toxicity neither for L. sativa seeds nor for embryos of Rhinella arenarum (Hensel, 1876). Thus, L. minuta plants could be considered as valuable species for the treatment of waters contaminated with Cr(VI).
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Affiliation(s)
- María I Fernández
- Departamento de Biología Molecular, FCEFQyN, Universidad Nacional de Río Cuarto, Rio Cuarto, Cordoba, Argentina
| | - Cintia E Paisio
- Departamento de Biología Molecular, FCEFQyN, Universidad Nacional de Río Cuarto, Rio Cuarto, Cordoba, Argentina.
| | - Paola S González
- Departamento de Biología Molecular, FCEFQyN, Universidad Nacional de Río Cuarto, Rio Cuarto, Cordoba, Argentina
| | - Romina Perotti
- Departamento de Biología Molecular, FCEFQyN, Universidad Nacional de Río Cuarto, Rio Cuarto, Cordoba, Argentina
| | - Verónica Meringer
- Departamento de Biología Molecular, FCEFQyN, Universidad Nacional de Río Cuarto, Rio Cuarto, Cordoba, Argentina
| | - Ana Laura Villasuso
- Departamento de Biología Molecular, FCEFQyN, Universidad Nacional de Río Cuarto, Rio Cuarto, Cordoba, Argentina
| | - Elizabeth Agostini
- Departamento de Biología Molecular, FCEFQyN, Universidad Nacional de Río Cuarto, Rio Cuarto, Cordoba, Argentina
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14
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Benvindo-Souza M, Santos Oliveira EA, Assis RA, Araújo Santos CG, Borges RE, de Melo E Silva D, Raquel de Souza Santos L. Micronucleus test in tadpole erythrocytes: Trends in studies and new paths. CHEMOSPHERE 2020; 240:124910. [PMID: 31561159 DOI: 10.1016/j.chemosphere.2019.124910] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/14/2019] [Revised: 09/16/2019] [Accepted: 09/18/2019] [Indexed: 06/10/2023]
Abstract
The micronucleus test has been applied for more than three decades in tadpoles, generating an early warning of environmental quality. In this study, we reviewed 48 articles on the micronucleus test in tadpoles, published between 1987 and 2018. The findings reveal that pesticides have been the main topic discussed in the induction of micronucleus and other nuclear abnormalities in anuran larvae to the detriment of the widespread use of compounds used in agriculture. In addition to pesticides, a number of other xenobiotic agents have been targeted for genotoxic damage, such as heavy metals, radiation and wastewater. An appeal is reported to environmental contaminants, which when released naturally into the environment or because of human activities may contaminate aquatic habitats, threatening populations of tadpoles that depend on these environments for their survival. Larvae can bioaccumulate these contaminants that cause progressive impacts, ranging from DNA damage to metamorphosis delays, as well as malformations. We found that Argentina is the main driving force for the application of this test in anuran larvae along with Brazil. Different erythrocyte malformations have been reported for the erythrocyte nuclear abnormalities test, binucleated cells, nuclear buds, notched, lobed, reniform, nuclear bebbled, anucleated, picnotic and apoptotic cells are the most cited. In summary, the presence of chemical or physical agents, along with other disturbances of the habitat, can have a significant impact on the life history of the species, contributing to the decline of anuran populations.
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Affiliation(s)
- Marcelino Benvindo-Souza
- Laboratório de Biologia Animal - Instituto Federal Goiano - IF Goiano, Rodovia Sul Goiana, Km 01, Zona Rural, Rio Verde, Goiás, CEP 75.901-970, Brazil; Laboratório de Mutagênese, Instituto de Ciências Biológicas, ICB I - Universidade Federal de Goiás, Goiânia, Goiás, CEP: 74690-900, Brazil
| | - Eliane Andreia Santos Oliveira
- Laboratório de Biologia Animal - Instituto Federal Goiano - IF Goiano, Rodovia Sul Goiana, Km 01, Zona Rural, Rio Verde, Goiás, CEP 75.901-970, Brazil
| | - Rhayane Alves Assis
- Laboratório de Biologia Animal - Instituto Federal Goiano - IF Goiano, Rodovia Sul Goiana, Km 01, Zona Rural, Rio Verde, Goiás, CEP 75.901-970, Brazil
| | - Cirley Gomes Araújo Santos
- Laboratório de Biologia Animal - Instituto Federal Goiano - IF Goiano, Rodovia Sul Goiana, Km 01, Zona Rural, Rio Verde, Goiás, CEP 75.901-970, Brazil
| | - Rinneu Elias Borges
- Universidade de Rio Verde - UniRV, Fazenda Fontes do Saber, Rio Verde, Goiás, CEP: 75.901-970, Brazil
| | - Daniela de Melo E Silva
- Laboratório de Mutagênese, Instituto de Ciências Biológicas, ICB I - Universidade Federal de Goiás, Goiânia, Goiás, CEP: 74690-900, Brazil
| | - Lia Raquel de Souza Santos
- Laboratório de Biologia Animal - Instituto Federal Goiano - IF Goiano, Rodovia Sul Goiana, Km 01, Zona Rural, Rio Verde, Goiás, CEP 75.901-970, Brazil.
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Mei J, Zhang H, Li Z, Ou H. A novel tetraethylenepentamine crosslinked chitosan oligosaccharide hydrogel for total adsorption of Cr(VI). Carbohydr Polym 2019; 224:115154. [DOI: 10.1016/j.carbpol.2019.115154] [Citation(s) in RCA: 50] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2019] [Revised: 07/12/2019] [Accepted: 07/31/2019] [Indexed: 12/22/2022]
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16
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Gajski G, Žegura B, Ladeira C, Novak M, Sramkova M, Pourrut B, Del Bo' C, Milić M, Gutzkow KB, Costa S, Dusinska M, Brunborg G, Collins A. The comet assay in animal models: From bugs to whales - (Part 2 Vertebrates). MUTATION RESEARCH-REVIEWS IN MUTATION RESEARCH 2019; 781:130-164. [PMID: 31416573 DOI: 10.1016/j.mrrev.2019.04.002] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/19/2018] [Revised: 03/26/2019] [Accepted: 04/10/2019] [Indexed: 12/20/2022]
Abstract
The comet assay has become one of the methods of choice for the evaluation and measurement of DNA damage. It is sensitive, quick to perform and relatively affordable for the evaluation of DNA damage and repair at the level of individual cells. The comet assay can be applied to virtually any cell type derived from different organs and tissues. Even though the comet assay is predominantly used on human cells, the application of the assay for the evaluation of DNA damage in yeast, plant and animal cells is also quite high, especially in terms of biomonitoring. The present extensive overview on the usage of the comet assay in animal models will cover both terrestrial and water environments. The first part of the review was focused on studies describing the comet assay applied in invertebrates. The second part of the review, (Part 2) will discuss the application of the comet assay in vertebrates covering cyclostomata, fishes, amphibians, reptiles, birds and mammals, in addition to chordates that are regarded as a transitional form towards vertebrates. Besides numerous vertebrate species, the assay is also performed on a range of cells, which includes blood, liver, kidney, brain, gill, bone marrow and sperm cells. These cells are readily used for the evaluation of a wide spectrum of genotoxic agents both in vitro and in vivo. Moreover, the use of vertebrate models and their role in environmental biomonitoring will also be discussed as well as the comparison of the use of the comet assay in vertebrate and human models in line with ethical principles. Although the comet assay in vertebrates is most commonly used in laboratory animals such as mice, rats and lately zebrafish, this paper will only briefly review its use regarding laboratory animal models and rather give special emphasis to the increasing usage of the assay in domestic and wildlife animals as well as in various ecotoxicological studies.
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Affiliation(s)
- Goran Gajski
- Mutagenesis Unit, Institute for Medical Research and Occupational Health, Zagreb, Croatia.
| | - Bojana Žegura
- Department of Genetic Toxicology and Cancer Biology, National Institute of Biology, Ljubljana, Slovenia
| | - Carina Ladeira
- H&TRC - Health & Technology Research Center, Escola Superior de Tecnologia da Saúde, Instituto Politécnico de Lisboa, Lisbon, Portugal; Centro de Investigação e Estudos em Saúde de Publica, Universidade Nova de Lisboa, Lisbon, Portugal
| | - Matjaž Novak
- Department of Genetic Toxicology and Cancer Biology, National Institute of Biology, Ljubljana, Slovenia
| | - Monika Sramkova
- Biomedical Research Center, Cancer Research Institute, Slovak Academy of Sciences, Bratislava, Slovakia
| | - Bertrand Pourrut
- EcoLab, Université de Toulouse, CNRS, INPT, UPS, Toulouse, France
| | - Cristian Del Bo'
- DeFENS-Division of Human Nutrition, University of Milan, Milan, Italy
| | - Mirta Milić
- Mutagenesis Unit, Institute for Medical Research and Occupational Health, Zagreb, Croatia
| | | | - Solange Costa
- Environmental Health Department, National Health Institute Dr. Ricardo Jorge, Porto, Portugal; EPIUnit - Instituto de Saúde Pública, Universidade do Porto, Porto, Portugal
| | - Maria Dusinska
- Health Effects Laboratory, Department of Environmental Chemistry-MILK, NILU - Norwegian Institute for Air Research, Kjeller, Norway
| | - Gunnar Brunborg
- Department of Molecular Biology, Norwegian Institute of Public Health, Oslo, Norway
| | - Andrew Collins
- Department of Nutrition, University of Oslo, Oslo, Norway
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Yao Q, Yang H, Wang X, Wang H. Effects of hexavalent chromium on intestinal histology and microbiota in Bufo gargarizans tadpoles. CHEMOSPHERE 2019; 216:313-323. [PMID: 30384300 DOI: 10.1016/j.chemosphere.2018.10.147] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/14/2018] [Revised: 10/19/2018] [Accepted: 10/20/2018] [Indexed: 06/08/2023]
Abstract
Chromium is detrimental heavy metal pollutants and can enter and affect aquatic organisms. In our experiment, B. gargarizans embryos were chronically exposed in different concentrations of Cr (VI) (0, 13, 104, and 416 μg Cr6+ L-1) until reached Gosner stage 38. We measured morphological parameters of the body and intestine of B. gargarizans tadpoles, and examined alteration of intestinal tissue. Furthermore, we analyzed the intestinal microbial community of B. gargarizans tadpoles using 16S rRNA gene amplicon sequencing. Our research demonstrated that Cr (VI) exposure caused alteration of intestinal tissue structure in 416 μg Cr6+ L-1 treatment groups. Total body length, body wet weight, intestinal length and wet weight of B. gargarizans tadpoles were significantly declined at 416 μg Cr6+ L-1. In addition, 16S rRNA gene sequencing revealed that Cr (VI) exposure significantly altered the intestinal microbiota diversity and composition, and perturbed the community structure of the microbiota. As for the intestinal microbiota, at the phylum level, Fusobacteria significantly changed in all Cr (VI) treated groups. Saccharibacteria and TM6_Dependentiae were detected only in the high dose exposure groups. At the genus level, Aeromonas was significantly decreased in Cr (VI) treated groups. According to the results of functional prediction, Cr (VI) exposure affected metabolism and increased risk of disease by inducing the alterations of intestinal microbiota structure. Taken together, the present study provide a new framework elucidating the toxic effects Cr (VI) exposure on B. gargarizans tadpoles associated with intestinal histology and microbiota.
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Affiliation(s)
- Qiong Yao
- College of Life Science, Shaanxi Normal University, Xi'an, 710119, China
| | - Hongyu Yang
- College of Life Science, Shaanxi Normal University, Xi'an, 710119, China
| | - Xianchan Wang
- College of Life Science, Shaanxi Normal University, Xi'an, 710119, China
| | - Hongyuan Wang
- College of Life Science, Shaanxi Normal University, Xi'an, 710119, China.
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18
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Li Y, Zhao Y, Deng H, Chen A, Chai L. Endocrine disruption, oxidative stress and lipometabolic disturbance of Bufo gargarizans embryos exposed to hexavalent chromium. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2018; 166:242-250. [PMID: 30273847 DOI: 10.1016/j.ecoenv.2018.09.100] [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: 06/08/2018] [Revised: 09/20/2018] [Accepted: 09/24/2018] [Indexed: 06/08/2023]
Abstract
The aim of the current study was to determine the potential developmental and metabolic abnormalities caused by Cr (VI) exposure on Bufo gargarizans (B. gargarizans) embryos. B. gargarizans embryos were treated with different concentrations of Cr (VI) (13, 52, 104, 208, and 416 μg Cr6+ L-1) for 6 days. Morphological abnormalities, total length, weight and developmental stage were monitored. Malformations of embryos were also examined using scanning electron microscopy (SEM). In addition, the transcript levels of several genes associated with lipid metabolism, oxidative stress, and thyroid hormones signaling pathways were also determined. Our results showed a time-dependent inhibitory effect of Cr (VI) on the growth and development of B. gargarizans embryos. On day 4, total length, weight, and developmental stage were significantly lower at 416 μg Cr6+ L-1 relative to control embryos. On day 6, significant reductions in total length, weight, and developmental stage were observed at 104, 208, and 416 μg Cr6+ L-1. Malformed embryos were found in all Cr (VI) treatments, which were characterized by axial flexures, yolk sac edema and rupture, surface tissue hyperplasia, stunted growth, wavy fin and fin flexure. RT-qPCR results showed that exposure to Cr (VI) down-regulated TRβ and Dio2 mRNA expression and up-regulated Dio3 mRNA level at 416 μg Cr6+ L-1. The transcript levels of SOD and GPx were upregulated at 52, 208, and 416 μg Cr6+ L-1, while the transcript level of HSP90 was downregulated at 52, 208, and 416 μg Cr6+ L-1. Also, mRNA expression of lipid synthesis-related genes (FAE and ACC) were significantly downregulated in embryos treated with 208 and 416 μg Cr6+ L-1, but mRNA expression of fatty acid β-oxidation-related genes (ACOX, CPT, and SCP) was significantly upregulated at 416 μg Cr6+ L-1. Therefore, our results suggested that Cr (VI) could disrupt thyroid endocrine pathways and lipid synthesis, leading to the inhibition of growth and development in B. gargarizans embryos. Furthermore, the decreased ability of scavenging ROS induced by Cr (VI) might be responsible for the teratogenic effects of Cr (VI).
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Affiliation(s)
- Yanbin Li
- School of Environmental Science and Engineering, Chang'an University, Xi'an 710054, China; Key Laboratory of Subsurface Hydrology and Ecological Effect in Arid Region of Ministry of Education, Chang'an University Xi'an 710062, China; Shaanxi Key Laboratory of Land Consolidation, Xi'an 710062, China
| | - Yonghua Zhao
- Shaanxi Key Laboratory of Land Consolidation, Xi'an 710062, China
| | - Hongzhang Deng
- School of Environmental Science and Engineering, Chang'an University, Xi'an 710054, China; Key Laboratory of Subsurface Hydrology and Ecological Effect in Arid Region of Ministry of Education, Chang'an University Xi'an 710062, China
| | - Aixia Chen
- School of Environmental Science and Engineering, Chang'an University, Xi'an 710054, China; Key Laboratory of Subsurface Hydrology and Ecological Effect in Arid Region of Ministry of Education, Chang'an University Xi'an 710062, China
| | - Lihong Chai
- School of Environmental Science and Engineering, Chang'an University, Xi'an 710054, China; Key Laboratory of Subsurface Hydrology and Ecological Effect in Arid Region of Ministry of Education, Chang'an University Xi'an 710062, China; Shaanxi Key Laboratory of Land Consolidation, Xi'an 710062, China.
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19
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Monteiro JADN, Cunha LAD, Costa MHPD, Reis HSD, Aguiar ACDS, Oliveira-Bahia VRLD, Burbano RMR, Rocha CAMD. Mutagenic and histopathological effects of hexavalent chromium in tadpoles of Lithobates catesbeianus (Shaw, 1802) (Anura, Ranidae). ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2018; 163:400-407. [PMID: 30064085 DOI: 10.1016/j.ecoenv.2018.07.083] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/04/2018] [Revised: 07/13/2018] [Accepted: 07/19/2018] [Indexed: 06/08/2023]
Abstract
The potential mutagenic and histopathological effects of the hexavalent chromium were investigated in Lithobates catesbeianus tadpoles. These larvae (GS 25-31) were exposed to three nominal concentrations of potassium dichromate (4, 12, and 36 mg L-1) and 5 mg L-1 of Cyclophosphamide as a positive control (PC), for 24 h. A negative control (NC) was also added to the experiment. Our results showed that, in general, the micronuclei (MN) were less frequent than the erythrocyte nuclear abnormalities (ENA); there was a significant difference in the frequency of MN between the NC and all treated groups (p < 0.05) in a concentration-dependent curve, in addition the PC did not differ from the chromium treatments. Also, only PC and the group treated with potassium dichromate at 36 mg L-1 showed significantly higher frequencies of ENA than NC (p < 0.05). Chromium treatments promoted cell retention in the Sub-G1 phase and a decrease of cells in the S and G2/M phases indicating inhibition of the cell cycle. All treatments with chromium led to liver and kidney histopathological lesions, especially with 36 mg L-1 (greater number of lesions). In conclusion, hexavalent chromium was mutagenic to L. catesbeianus tadpoles and its toxic effects also resulted in anti-mitotic activity, besides inducing histopathological alterations in liver and kidney. Amphibians have been proven to be useful bioindicators, and we suggest that tadpoles of different species can be used to represent the environmental impacts in aquatic ecosystems.
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Affiliation(s)
- José Augusto do Nascimento Monteiro
- Laboratory of Human Cytogenetics and Genetic Toxicology (Laboratório de Citogenética Humana e Genética Toxicológica), Federal University of Pará (Universidade Federal do Pará), Belém, Pará, Brazil
| | - Lorena Araújo da Cunha
- Laboratory of Human Cytogenetics and Genetic Toxicology (Laboratório de Citogenética Humana e Genética Toxicológica), Federal University of Pará (Universidade Federal do Pará), Belém, Pará, Brazil
| | - Mary Helen Pestana da Costa
- Laboratory of Human Cytogenetics and Genetic Toxicology (Laboratório de Citogenética Humana e Genética Toxicológica), Federal University of Pará (Universidade Federal do Pará), Belém, Pará, Brazil
| | - Herald Souza Dos Reis
- Coordination of Biological Sciences (Coordenação de Ciências Biológicas), Federal Institute of Education, Science and Technology of Pará (Instituto 19 Federal de Educação, Ciência e Tecnologia do Pará), Belém, Pará, Brazil
| | - Aliceane Carolina da Silva Aguiar
- Multidisciplinary Laboratory of Biology (Laboratório Multidisciplinar de Biologia à Distância), Federal University of Pará (Universidade Federal do Pará), Belém, Pará, Brazil
| | - Veronica Regina Lobato de Oliveira-Bahia
- Multidisciplinary Laboratory of Biology (Laboratório Multidisciplinar de Biologia à Distância), Federal University of Pará (Universidade Federal do Pará), Belém, Pará, Brazil
| | - Rommel Mario Rodríguez Burbano
- Laboratory of Human Cytogenetics and Genetic Toxicology (Laboratório de Citogenética Humana e Genética Toxicológica), Federal University of Pará (Universidade Federal do Pará), Belém, Pará, Brazil.
| | - Carlos Alberto Machado da Rocha
- Fishery and Agribusiness Resource Coordination (Coordenação de Recursos Pesqueiros e Agronegócio), Federal Institute of Education, Science and Technology of Pará (Instituto Federal de Educação, Ciência e Tecnologia do Pará), Belém, Pará, Brazil.
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20
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Gardner S, Cline G, Mwebi N, Rayburn J. Natural tissue concentrations in adult Ambystoma maculatum and larval DNA damage from exposure to arsenic and chromium. JOURNAL OF TOXICOLOGY AND ENVIRONMENTAL HEALTH. PART A 2018; 81:512-524. [PMID: 29617195 DOI: 10.1080/15287394.2018.1455611] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Arsenic (As) and chromium (Cr) are two contaminants that are detected in aquatic and terrestrial habitats. Using the spotted salamander, Ambystoma maculatum, to assess impacts from these contaminants may be advantageous as adults live and breed in such environments. Adult amphibians typically exhibit elevated tissue concentrations of contaminants present in their environment, while larval stages were found to exhibit increased sensitivity to pollutants. From January through March of 2015, during the spring breeding season, 5 adults and approximately 32 egg masses were collected from a local breeding site. Field levels of As and Cr ranged from 5.99 to 8.88 µg/L and 1.45 to 2 µg/L, respectively, while mean adult As tissue concentrations were 56.74 µg/g dry weight for heart, 0.92 µg/g for liver, and 1.21 µg/g for tail tissue. Mean tissue concentrations for Cr were 87.64 µg/g for heart, 1.47 µg/g for liver, and 6.92 µg/g for tail. Developing larvae that were collected from the field and exposed in a lab setting for 12 d to 0.2 or 20 mg/L of either As or Cr displayed little DNA damage attributed to As, but marked damage due to exposure to 20 mg/L Cr when assessed using the comet assay. Exposure to a mixture of either 0.25:0.1 or 25:10 mg/L As and Cr resulted in significant DNA damage at the lower concentration of 0.25:0.1 mg/L. As adult spotted salamanders were found to possess high concentrations of these contaminants in cardiac tissue, and larvae were shown to be susceptible to DNA damage from increased exposures, assessing impacts and potential declines of amphibian populations exposed to As and Cr is needed.
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Affiliation(s)
- Steven Gardner
- a Department of Biology , Jacksonville State University , Jacksonville , AL , USA
| | - George Cline
- a Department of Biology , Jacksonville State University , Jacksonville , AL , USA
| | - Nixon Mwebi
- b Department of Chemistry and Geosciences , Jacksonville State University , Jacksonville , AL , USA
| | - James Rayburn
- a Department of Biology , Jacksonville State University , Jacksonville , AL , USA
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21
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Ma H, Tsai SB. Design of Research on Performance of a New Iridium Coordination Compound for the Detection of Hg 2. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2017; 14:ijerph14101232. [PMID: 29035349 PMCID: PMC5664733 DOI: 10.3390/ijerph14101232] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/30/2017] [Revised: 09/25/2017] [Accepted: 10/03/2017] [Indexed: 11/16/2022]
Abstract
Heavy metal pollution has become one of the most significant pollution problems encountered by our country in terms of environment protection. In addition to the significant effects of heavy metals on the human body and other organisms through water, food chain enrichment and other routes, heavy metals involved in daily necessities beyond the level limit could also affect people’s lives, so the detection of heavy metals is extremely important. Ir (III) coordination compound, considered to be one of the best phosphorescent sensing materials, is characterized by high luminous efficiency, easy modification of the ligand and so on, and it has potential applications in the field of heavy metal detection. This project aims to product a new Ir (III) functional coordination compound by designing a new auxiliary ligand and a main ligand with a sulfur identification unit, in order to systematically investigate the application of iridium coordination compound in the detection of the heavy metal Hg2+. With the introduction of the sulfur identification unit, selective sensing of Hg2+ could be achieved. Additionally, a new auxiliary ligand is also introduced to produce a functional iridium coordination compound with high quantum efficiency, and to diversify the application of iridium coordination compound in this field.
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Affiliation(s)
- Hailing Ma
- School of Science, Jinggangshan University, Ji'an 343009, China.
- College of Chemical Engineering and Biological Engineering, Zhejiang University, Hangzhou 310000, Zhejiang, China.
| | - Sang-Bing Tsai
- Zhongshan Institute, University of Electronic Science and Technology of China, Zhongshan 52800, Guangdong, China.
- Economics and Management College, Civil Aviation University of China, Tianjin 300300, China.
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22
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Montalvão MF, de Souza JM, Guimarães ATB, de Menezes IPP, Castro ALDS, Rodrigues ASDL, Malafaia G. The genotoxicity and cytotoxicity of tannery effluent in bullfrog (Lithobates catesbeianus). CHEMOSPHERE 2017; 183:491-502. [PMID: 28570892 DOI: 10.1016/j.chemosphere.2017.05.080] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/03/2016] [Revised: 05/02/2017] [Accepted: 05/13/2017] [Indexed: 06/07/2023]
Abstract
Some of the most polluting activities occur in bovine skin processing. Tannery generates effluents containing high concentrations of heavy metals and organic compounds. The phases composing the leather production process generate a large volume of tannery effluents that are often discarded in aquatic environments without any previous treatment. However, the effect these xenobiotics have on adult representatives belonging to the class Amphibia remains unknown. Thus, the aim of the present study is to assess the geno- and cytotoxic effects of tannery effluent on adult male bullfrogs (Lithobates castesbeianus) exposed to it. Accordingly, the animals were divided into the following groups: negative control (tannery effluent-free water), positive control (cyclophosphamide), and effluent (water added with 5% tannery effluent). The animals were euthanized for blood collection, and erythrocyte analyses were conducted after 35 and 90 days of exposure. The micronuclei (MN) frequency and the frequency of other nuclear abnormalities in each of the animals in the experimental groups were assessed in 2000 erythrocytes. According to the present results, the exposure to tannery effluents increased MN frequency as well as other nuclear abnormalities (i.e., lobed nuclei, binucleated cell, kidney-shaped nuclei, notched nuclei, and apoptotic cell) in the erythrocytes of animals in the effluent group and in the positive control group after 35 and 90 exposure days. Thus, the current study corroborated the hypothesis that the tannery effluent has aneugenic and clastogenic potential in adult male bullfrogs (L. castesbeianus). The present study is the first to report such effect.
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Affiliation(s)
| | - Joyce Moreira de Souza
- Programa de Pós-Graduação em Conservação de Recursos Naturais do Cerrado and Laboratório de Pesquisas Biológicas, Instituto Federal Goiano - Campus Urutaí, GO, Brazil
| | - Abraão Tiago Batista Guimarães
- Programa de Pós-Graduação em Conservação de Recursos Naturais do Cerrado and Laboratório de Pesquisas Biológicas, Instituto Federal Goiano - Campus Urutaí, GO, Brazil
| | - Ivandilson Pessoa Pinto de Menezes
- Departamento de Ciências Biológicas, Laboratório de Genética e Biologia Molecular and Programa de Pós-Graduação em Conservação de Recursos Naturais do Cerrado, Instituto Federal Goiano - Campus Urutaí, GO, Brazil
| | - André Luis da Silva Castro
- Departamento de Ciências Biológicas, Laboratório de Zoologia and Programa de Pós-Graduação em Conservação de Recursos Naturais do Cerrado, Instituto Federal Goiano - Campus Urutaí, GO, Brazil
| | - Aline Sueli de Lima Rodrigues
- Departamento de Ciências Biológicas, Laboratório de Pesquisas Biológicas and Programa de Pós-Graduação em Conservação de Recursos Naturais do Cerrado, Instituto Federal Goiano - Campus Urutaí, GO, Brazil
| | - Guilherme Malafaia
- Departamento de Ciências Biológicas, Laboratório de Pesquisas Biológicas and Programa de Pós-Graduação em Conservação de Recursos Naturais do Cerrado, Instituto Federal Goiano - Campus Urutaí, GO, Brazil; Programa de Pós-Graduação em Biodiversidade Animal, Universidade Federal de Goiás - Campus Samambaia, GO, Brazil.
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Wang Y, Su H, Gu Y, Song X, Zhao J. Carcinogenicity of chromium and chemoprevention: a brief update. Onco Targets Ther 2017; 10:4065-4079. [PMID: 28860815 PMCID: PMC5565385 DOI: 10.2147/ott.s139262] [Citation(s) in RCA: 96] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Chromium has two main valence states: hexavalent chromium (Cr[VI]) and trivalent chromium (Cr[III]). Cr(VI), a well-established human carcinogen, can enter cells by way of a sulfate/phosphate anion-transport system, and then be reduced to lower-valence intermediates consisting of pentavalent chromium (Cr[V]), tetravalent chromium (Cr[IV]) or Cr(III) via cellular reductants. These intermediates may directly or indirectly result in DNA damage or DNA–protein cross-links. Although Cr(III) complexes cannot pass easily through cell membranes, they have the ability to accumulate around cells to induce cell-surface morphological alteration and result in cell-membrane lipid injuries via disruption of cellular functions and integrity, and finally to cause DNA damage. In recent years, more research, including in vitro, in vivo, and epidemiological studies, has been conducted to evaluate the genotoxicity/carcinogenicity induced by Cr(VI) and/or Cr(III) compounds. At the same time, various therapeutic agents, especially antioxidants, have been explored through in vitro and in vivo studies for preventing chromium-induced genotoxicity/carcinogenesis. This review aims to provide a brief update on the carcinogenicity of Cr(VI) and Cr(III) and chemoprevention with different antioxidants.
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Affiliation(s)
- Yafei Wang
- Department of Preventative Medicine, Zhejiang Key Laboratory of Pathophysiology, School of Medicine, Ningbo University, Ningbo, People's Republic of China
| | - Hong Su
- Department of Preventative Medicine, Zhejiang Key Laboratory of Pathophysiology, School of Medicine, Ningbo University, Ningbo, People's Republic of China
| | - Yuanliang Gu
- Department of Preventative Medicine, Zhejiang Key Laboratory of Pathophysiology, School of Medicine, Ningbo University, Ningbo, People's Republic of China
| | - Xin Song
- Department of Preventative Medicine, Zhejiang Key Laboratory of Pathophysiology, School of Medicine, Ningbo University, Ningbo, People's Republic of China
| | - Jinshun Zhao
- Department of Preventative Medicine, Zhejiang Key Laboratory of Pathophysiology, School of Medicine, Ningbo University, Ningbo, People's Republic of China.,Toxicology and Molecular Biology Branch, Health Effects Laboratory Division, National Institute for Occupational Safety and Health, Morgantown, WV, USA
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