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Stojanović J, Savić-Zdravković D, Jovanović B, Vitorović J, Bašić J, Stojanović I, Popović AŽ, Duran H, Kolarević MK, Milošević Đ. Histopathology of chironomids exposed to fly ash and microplastics as a new biomarker of ecotoxicological assessment. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 903:166042. [PMID: 37543338 DOI: 10.1016/j.scitotenv.2023.166042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/04/2023] [Revised: 08/02/2023] [Accepted: 08/02/2023] [Indexed: 08/07/2023]
Abstract
In the last few decades, industrial pollution has gained extensive attention in terms of its effect on the aquatic environment. This imposes the need to develop sensitive biomarkers for early detection of pollutant toxicity in ecotoxicological assessment. The advantages of histopathological biomarkers are many, including quick reaction to the presence of contaminants, and the small number of individuals needed for efficient analysis. The present study analyzed the negative effect of lignite coal fly ash (LCFA) and microplastic particles (MPs) on Chironomus riparius, a suggested model organism by the Organization for Economic Cooperation and Development (OECD). This study aimed to perform histological analyses of larval tissues and target potential changes in treated groups that could serve as promising histopathological biomarkers of the contaminant's negative effects. Following that, other known sensitive sub-organismal biomarkers were analyzed and paired with the histopathological ones. Histological analysis of larvae showed a significantly decreased length of microvilli in midgut regions II and III in both treatments. Treatments with MPs affected oxidative stress parameters: thiobarbituric acid reactive substances (TBARS), advanced oxidation protein products (AOPP), superoxide dismutase (SOD), and hemoglobin levels, while LCFA significantly affected all tested sub-organismal biomarkers (DNA damage, levels of AOPP, SOD, and hemoglobin), except catalase (CAT) and TBARS. When observing histological slides, a significant shortage of brush border length in the posterior parts of the midgut was detected in all treatments. In the case of LCFA, the appearance of intensive vacuolization of digestive cells with inclusions resembling apoptotic bodies, in mentioned regions was also detected. This study demonstrated high sensitivity of brush border length to the MPs and LCFA exposure, complementary to other tested sub-organismal biomarkers. Revealing the great potential of this histopathological biomarker in ecotoxicological studies contributes to the international standard ecotoxicology assessment of emerging pollutants.
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Affiliation(s)
- Jelena Stojanović
- Department of Biology and Ecology, Faculty of Sciences and Mathematics, University of Niš, Višegradska 33, Niš, Serbia.
| | - Dimitrija Savić-Zdravković
- Department of Biology and Ecology, Faculty of Sciences and Mathematics, University of Niš, Višegradska 33, Niš, Serbia
| | - Boris Jovanović
- Department of Natural Resource Ecology and Management, Iowa State University, Ames, IA, USA
| | - Jelena Vitorović
- Department of Biology and Ecology, Faculty of Sciences and Mathematics, University of Niš, Višegradska 33, Niš, Serbia
| | - Jelena Bašić
- Department of Biochemistry, Faculty of Medicine, University of Nis, Bulevar dr Zorana Đinđića 81, 18000 Nis, Serbia
| | - Ivana Stojanović
- Department of Biochemistry, Faculty of Medicine, University of Nis, Bulevar dr Zorana Đinđića 81, 18000 Nis, Serbia
| | - Andrea Žabar Popović
- Department of Biology and Ecology, Faculty of Sciences and Mathematics, University of Niš, Višegradska 33, Niš, Serbia
| | - Hatice Duran
- Department of Materials Science & Nanotechnology Engineering, TOBB University of Economics and Technology, Söğütözü Cad. 43, 06560 Ankara, Türkiye; UNAM - National Nanotechnology Research Center and Institute of Materials Science and Nanotechnology, Bilkent University, Ankara, Türkiye
| | - Margareta Kračun Kolarević
- Department of Hydroecology and water protection, Institute for Biological Research "Siniša Stanković", National Institute of the Republic of Serbia, University of Belgrade, Bulevar Despota Stefana 142, 11060 Belgrade, Serbia
| | - Đurađ Milošević
- Department of Biology and Ecology, Faculty of Sciences and Mathematics, University of Niš, Višegradska 33, Niš, Serbia
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Alimba CG, Sivanesan S, Krishnamurthi K. Mitochondrial dysfunctions elicited by solid waste leachates provide insights into mechanisms of leachates induced cell death and pathophysiological disorders. CHEMOSPHERE 2022; 307:136085. [PMID: 36007733 DOI: 10.1016/j.chemosphere.2022.136085] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/23/2022] [Revised: 08/12/2022] [Accepted: 08/14/2022] [Indexed: 06/15/2023]
Abstract
Emissions (mainly leachates and landfill gases) from solid waste facilities are laden with mixtures of dangerous xenobiotics implicated with significant increase in various pathophysiological disorders including cancer, and eventual mortality of exposed wildlife and humans. However, the molecular mechanisms of solid waste leachates induce pathophysiological disorders and cell death are still largely unknown. Although, evolving evidence implicated generation of reactive oxygen species and oxidative stress as the possible mechanism. Recent scientific reports are linking reactive oxygen species and mitochondrial dysfunctions as the player mechanism in pathophysiological disorder and apoptosis induced by xenobiotics in solid waste leachates. This systematic review presents an explicit discussion of recent scientific findings on the structural and functional alterations in mitochondria induced by solid waste leachates as the molecular mechanisms plausibly responsible for the pathophysiological disorders, cancer and cell death reported in landfill toxicology and epidemiological studies. This review aims to increase scientific understanding on solid waste leachate induced mitochondria dysfunctions as the key player in molecular mechanisms of solid waste induced toxicity. The findings in this review were mainly from using primary cells, cell lines, Drosophila and fish. Whether the findings will similarly be observed in mammalian test systems in vivo and particularly in exposed humans, remained to be investigated. Improvement in technological advancements, enforcement of legislation and regulations, and creation of sophisticated health surveillance against exposure to solid waste leachates, will expectedly mitigate human exposure to solid waste emissions and contamination of the environment.
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Affiliation(s)
- Chibuisi Gideon Alimba
- Cell Biology and Genetics Unit, Department of Zoology, University of Ibadan, Ibadan, Nigeria; Department of Toxicology, Leibniz Research Centre for Working Environment and Human Factors (IfADo), Technical University of Dortmund, 44139, Dortmund, Germany.
| | - Saravanadevi Sivanesan
- Health and Toxicity Cell (HTC), CSIR-National Environmental Engineering Research Institute (NEERI), Nagpur, 440020, India; Academy of Scientific, Innovative Research (AcSIR), Ghaziabad, U.P, India
| | - Kannan Krishnamurthi
- Health and Toxicity Cell (HTC), CSIR-National Environmental Engineering Research Institute (NEERI), Nagpur, 440020, India; Academy of Scientific, Innovative Research (AcSIR), Ghaziabad, U.P, India.
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Alimba CG, Rudrashetti AP, Sivanesan S, Krishnamurthi K. Landfill soil leachates from Nigeria and India induced DNA damage and alterations in genes associated with apoptosis in Jurkat cell. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:5256-5268. [PMID: 34417692 DOI: 10.1007/s11356-021-15985-x] [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: 06/04/2021] [Accepted: 08/11/2021] [Indexed: 06/13/2023]
Abstract
Landfill soil leachates, containing myriad of xenobiotics, increase genotoxic and cytotoxic stress-induced cell death. However, the underlying mechanism involved in the elimination of the damaged cells is yet to be fully elucidated. This study investigated the apoptotic processes induced in lymphoma (Jurkat) cells by landfill soil leachates from Olusosun (OSL, Nigeria) and Nagpur (NPL, India). Jurkat was incubated with sub-lethal concentrations of OSL and NPL for 24 h and analyzed for DNA fragmentation and apoptosis using agarose gel electrophoresis and Hoechst 33258-PI staining, respectively. Complementary DNA expression profiling of some pro-apoptotic and anti-apoptotic genes regulating apoptosis was also analyzed using real-time PCR (RT-PCR) method. Agarose gel electrophoresis revealed DNA fragmentations in OSL and NPL-treated cells. Hoecsht-33258 - Propidium Iodide (PI) based apoptotic analysis confirmed apoptotic cell death in exposed Jurkat. RT-PCR analysis revealed different fold changes in the pro- and anti-apoptotic genes in OSL and NPL-treated Jurkat. There was significant increase in fold change of the up-regulated genes; apoptosis inducing factor mitochondrion-associated 2 (AIFM2), Fas-associated death domain (FADD), Caspase-2, Caspase-6, BH3 interacting domain death agonist (BID), tumor suppressor (p53), and BCL2 associated agonist of cell death (BAD) and down-regulation of apoptosis inhibitor 5 (API5). Results suggest that OSL and NPL elicited genotoxic stress-related apoptosis in Jurkat. The dysregulation in the expression of genes involved in apoptotic processes in wildlife and human exposed to landfill emissions may increase aetiology of various pathological diseases including cancer.
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Affiliation(s)
- Chibuisi G Alimba
- Cell Biology and Genetics Unit, Department of Zoology, University of Ibadan, Ibadan, Nigeria.
- Department of Toxicology, Leibniz Research Centre for Working Environment and Human Factors (IfADo), Technical University of Dortmund, 44139, Dortmund, Germany.
| | - Ashwinkumar P Rudrashetti
- Environmental Biotechnology and Genomic Division, CSIR-National Environmental Engineering Research Institute (NEERI), Nagpur, 440020, India
| | - Saravanadevi Sivanesan
- Health and Toxicity Cell (HTC), CSIR-National Environmental Engineering Research Institute (NEERI), Nagpur, 440020, India
- Academy of Scientific, Innovative Research (AcSIR), Ghaziabad, U.P., India
| | - Kannan Krishnamurthi
- Health and Toxicity Cell (HTC), CSIR-National Environmental Engineering Research Institute (NEERI), Nagpur, 440020, India.
- Academy of Scientific, Innovative Research (AcSIR), Ghaziabad, U.P., India.
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Serine phosphorylation of vasodilator-stimulated phosphoprotein (VASP) regulates colon cancer cell survival and apoptosis. Life Sci 2014; 123:1-8. [PMID: 25543053 DOI: 10.1016/j.lfs.2014.12.018] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2014] [Revised: 09/29/2014] [Accepted: 12/15/2014] [Indexed: 12/16/2022]
Abstract
AIMS In colon cancer, disease recurrence and death are associated with abnormal tumor cell survival. Vasodilator-stimulated phosphoprotein (VASP) is an actin binding protein regulating cell shape and polarity through the F-actin cytoskeleton, whose activity is controlled by cAMP-dependent phosphorylation at Ser157 and cGMP-dependent phosphorylation at Ser239. This study examined the role of differential VASP Ser phosphorylation in regulating cell survival and apoptosis in human colon carcinoma cells. MAIN METHODS Selective inhibition of VASP Ser157 or Ser239 phosphorylation in colon cancer cells was performed with specific phosphomutant constructs. F-actin organization was examined by confocal microscopy, and the balance of cell survival and death assessed by measuring acridine orange and ethidium bromide staining, caspase-3 and BAD-pS112 expression and DNA fragmentation. KEY FINDINGS In human colon carcinoma cells suppression of VASP Ser157 phosphorylation reduced F-actin content and survival and increased apoptosis, while inhibition of VASP Ser239 phosphorylation increased F-actin content and survival and reduced cell death. Also, while 8Br-cAMP induced VASP Ser157 phosphorylation and reduced cell death, treatments with 8CPT-cGMP elevated VASP Ser239 phosphorylation and promoted apoptosis. SIGNIFICANCE These findings suggest that differential VASP Ser phosphorylation represents a unique therapeutic target to control cell survival and death behavior in colon cancer. In particular, pharmacological manipulation of VASP Ser phosphorylation could be exploited to affect the malignant actin cytoskeleton and induce apoptosis in colorectal cancer cells.
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Aydin S, Gure H, Cakici H, Colakoglu S, Bircan R. Gross pathology, blood chemistry, lipid and peroxide contents in rainbow trout ( Oncorhynchus mykiss Walbaum) affected by experimental Arcobacter cryaerophilus infection at low water temperature. Acta Vet Hung 2009; 57:305-17. [PMID: 19584043 DOI: 10.1556/avet.57.2009.2.11] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Arcobacter cryaerophilus was isolated from naturally infected rainbow trout ( Oncorhynchus mykiss Walbaum), and its pathogenicity was tested by intramuscular injection using healthy 1-year-old rainbow trout under cold-water conditions (at 5 degrees C). The lethal dosage of 50% end point (LD 50 ) for A. cryaerophilus was calculated as 7.79 x 10 5 viable cells. Experimental infection caused gross clinical abnormalities such as fallen scales, exophthalmia, oedema in injection region and at the base of fins, pale gills, kidney necrosis, hyperaemic areas in pale liver, haemorrhagic spots in heart, elongated spleen and swollen gallbladder. Activities of aspartate aminotransferase and alkaline phosphatase, and concentrations of glucose, total protein, albumin, cholesterol, triglyceride and calcium in the serum of the experimentally infected rainbow trout were significantly decreased compared with the healthy fish. Positive correlations were observed among blood parameters. Total lipid weights increased in the brain, muscle and liver tissues of infected fish and dropped in the gill and spleen tissues. Lipid peroxide contents in the brain, liver, kidney, spleen, muscle and gill tissues of infected rainbow trout were significantly higher than in healthy animals. The present work shows that A. cryaerophilus can be moderately virulent for rainbow trout at low water temperature, and changes in lipid and lipid peroxide contents of tissues and blood indices can highlight barely detectable effects of A. cryaerophilus infection in rainbow trout under laboratory conditions. However, the application of these indices in farm biomonitoring using rainbow trout will need more detailed studies and a careful consideration of the environmental parameters.
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Affiliation(s)
- Seyit Aydin
- 1 Kastamonu University Education Faculty 37200 Kastamonu Turkey
| | - Hayati Gure
- 2 Ministry of Rural Affairs Directory of Çanakkale Canakkale Turkey
| | - Hasan Cakici
- 3 Canakkale Onsekiz Mart University Medicine College Canakkale Turkey
| | - Serhat Colakoglu
- 2 Ministry of Rural Affairs Directory of Çanakkale Canakkale Turkey
| | - Recep Bircan
- 4 Ondokuz Mayıs University Fisheries Faculty Sinop Turkey
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Krumschnabel G, Podrabsky JE. Fish as model systems for the study of vertebrate apoptosis. Apoptosis 2008; 14:1-21. [PMID: 19082731 DOI: 10.1007/s10495-008-0281-y] [Citation(s) in RCA: 53] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2008] [Accepted: 11/17/2008] [Indexed: 01/18/2023]
Abstract
Apoptosis is a process of pivotal importance for multi-cellular organisms and due to its implication in the development of cancer and degenerative disease it is intensively studied in humans and mammalian model systems. Invertebrate models of apoptosis have been well-studied, especially in C. elegans and D. melanogaster, but as these are evolutionarily distant from mammals the relevance of findings for human research is sometimes limited. Presently, a non-mammalian vertebrate model for studying apoptosis is missing. However, in the past few years an increasing number of studies on cell death in fish have been published and thus new model systems may emerge. This review aims at highlighting the most important of these findings, showing similarities and dissimilarities between fish and mammals, and will suggest topics for future research. In addition, the outstanding usefulness of fish as research models will be pointed out, hoping to spark future research on this exciting, often underrated group of vertebrates.
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Affiliation(s)
- Gerhard Krumschnabel
- Division of Developmental Immunology, Biocenter, Innsbruck Medical University, 6020 Innsbruck, Austria.
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Huang WJ, Tsai JL, Liao MH. Cytotoxicity of municipal solid waste incinerator ash wastes toward mammalian kidney cell lines. CHEMOSPHERE 2008; 71:1860-1865. [PMID: 18329068 DOI: 10.1016/j.chemosphere.2008.01.063] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/20/2007] [Revised: 01/27/2008] [Accepted: 01/29/2008] [Indexed: 05/26/2023]
Abstract
In this study, three municipal solid waste incinerator (MSWI) ash wastes-bottom ash, scrubber residue, and baghouse ash-were extracted using a toxicity characteristic leaching procedure (TCLP) extractant. These so-called final TCLP extracts were applied to African green monkey kidney cells (Vero), baby hamster kidney cells (BHK-21), and pig kidney cells (PK-15), multi-well absorption reader analysis was performed to test how the cytotoxicity of the incineration ashes would affect the digestive systems of animals. Ion-coupled plasma analyses indicated that the baghouse ash extract possessed the highest pH and heavy metal concentration, its cytotoxicity was also the highest. In contrast, the bottom ash and the scrubber residue exhibited very low cytotoxicities. The cytotoxicities of mixtures of baghouse ash and scrubber residue toward the three tested cell lines increased as the relative ratio of the baghouse ash increased, especially for the Vero cells. The slight cytotoxicity of the scrubber residue arose mainly from the presence of Cr species, whereas the high cytotoxicity of the baghouse ash resulted from its high content of heavy metals and alkali ions. In addition, it appears that the dissolved total organic carbon content of these ash wastes can reduce the cytotoxicity of ash wastes that collect in animal cells.
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Affiliation(s)
- Wu-Jang Huang
- Department of Environmental Engineering and Science, National Ping-Tung University of Science and Technology, 912 Ping-Tung, Taiwan.
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