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El-Agrody E, Abol-Enein H, Mortada WI, Awadalla A, Tarabay HH, Elkhawaga OA. Does the Presence of Heavy Metals Influence the Gene Expression and Oxidative Stress in Bladder Cancer? Biol Trace Elem Res 2024; 202:3475-3482. [PMID: 38072891 PMCID: PMC11144142 DOI: 10.1007/s12011-023-03950-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/06/2023] [Accepted: 11/01/2023] [Indexed: 06/02/2024]
Abstract
Heavy metal toxicity is associated with cancer progression. Studies have reported the relation between some metal ions and bladder cancer (BC). Direct influence of such agents in bladder carcinogenesis is still needed. Total 49 BC patients were included in the study. Level of Pb, Cr, Hg and Cd, oxidative stress markers, and gene expression of Bcl-2, Bax, IL-6, AKT, and P38 genes were detected in cancer and non-cancerous tissues obtained from bladder cancer patients. Concentrations of Pb, Cr, and Cd were significantly elevated in cancer tissues than normal, while Hg level was significantly increased in normal tissue than cancer. MDA level was significantly higher and SOD activity was lower in the cancer tissues compared to non-cancerous. The expressions of Bcl-2, IL-6, AKT, and P38 were significantly increased in the cancer tissues than in normal tissues while Bax level was significantly increased in non-cancerous tissue than in cancer tissue. In cancer tissue, there were significant correlations between Cr level with expression of Bax, AKT, and P38 while Cd level was significantly correlate with Bax, IL-6, AKT, and P38expression. The correlation between Cr and Cd with the expression of Bax, IL-6, AKT, and P38 may indicate a carcinogenic role of these metals on progression of bladder cancer.
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Affiliation(s)
- Eslam El-Agrody
- Department of Chemistry, Faculty of Science, Mansoura University, Biochemistry Division, Mansoura, Egypt
| | - Hassan Abol-Enein
- Center of Excellence for Genome and Cancer Research, Urology and Nephrology Center, Mansoura University, Mansoura, 35516, Egypt
| | - Wael I Mortada
- Clinical Chemistry Laboratory, Urology and Nephrology Center, Mansoura University, Mansoura, 35516, Egypt
| | - Amira Awadalla
- Center of Excellence for Genome and Cancer Research, Urology and Nephrology Center, Mansoura University, Mansoura, 35516, Egypt.
| | - Heba H Tarabay
- Department of Chemistry, Faculty of Science, Mansoura University, Biochemistry Division, Mansoura, Egypt
| | - Om-Ali Elkhawaga
- Department of Chemistry, Faculty of Science, Mansoura University, Biochemistry Division, Mansoura, Egypt
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2
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Li XD, Jiang GF, Li R, Bai Y, Zhang GS, Xu SJ, Deng WA. Molecular strategies of the pygmy grasshopper Eucriotettix oculatus adapting to long-term heavy metal pollution. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2024; 276:116301. [PMID: 38599159 DOI: 10.1016/j.ecoenv.2024.116301] [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: 08/21/2023] [Revised: 03/31/2024] [Accepted: 04/03/2024] [Indexed: 04/12/2024]
Abstract
To study the heavy metal accumulation and its impact on insect exterior and chromosome morphology, and reveal the molecular mechanism of insects adapting to long-term heavy metal compound pollution habitats, this study, in the Diaojiang river basin, which has been polluted by heavy metals(HMs) for nearly a thousand years, two Eucriotettix oculatus populations was collected from mining and non-mining areas. It was found that the contents of 7 heavy metals (As, Cd, Pb, Zn, Cu, Sn, Sb) in E. oculatus of the mining area were higher than that in the non-mining 1-11 times. The analysis of morphology shows that the external morphology, the hind wing type and the chromosomal morphology of E. oculatus are significant differences between the two populations. Based on the heavy metal accumulation,morphological change, and stable population density, it is inferred that the mining area population has been affected by heavy metals and has adapted to the environment of heavy metals pollution. Then, by analyzing the transcriptome of the two populations, it was found that the digestion, immunity, excretion, endocrine, nerve, circulation, reproductive and other systems and lysosomes, endoplasmic reticulum and other cell structure-related gene expression were suppressed. This shows that the functions of the above-mentioned related systems of E. oculatus are inhibited by heavy metal stress. However, it has also been found that through the significant up-regulation of genes related to the above system, such as ATP2B, pepsin A, ubiquitin, AQP1, ACOX, ATPeV0A, SEC61A, CANX, ALDH7A1, DLD, aceE, Hsp40, and catalase, etc., and the down-regulation of MAPK signalling pathway genes, can enhanced nutrient absorption, improve energy metabolism, repair damaged cells and degrade abnormal proteins, maintain the stability of cells and systems, and resist heavy metal damage so that E. oculatus can adapt to the environment of heavy metal pollution for a long time.
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Affiliation(s)
- Xiao-Dong Li
- Guangxi Key Laboratory of Sericulture Ecology and Applied Intelligent Technology, School of Chemistry and Bioengineering, Hechi University Yizhou 546300, China; Jiangsu Key Laboratory for Biodiversity and Biotechnology, College of Life Sciences, Nanjing Normal University, Nanjing 210000, China
| | - Guo-Fang Jiang
- Jiangsu Key Laboratory for Biodiversity and Biotechnology, College of Life Sciences, Nanjing Normal University, Nanjing 210000, China; College of Oceanology and Food Sciences, Quanzhou Normal University, Quanzhou 362000, China.
| | - Ran Li
- School of Life Sciences, Qufu Normal University, Qufu 273165, China
| | - Yi Bai
- School of Life Science, Taizhou University, Taizhou 317000, China
| | - Guo-Song Zhang
- School of Agriculture and Bioengineering, Heze University, Heze 274000, China
| | - Shu-Juan Xu
- College of Life Science and Technology, Longdong University, Qingyang 745000, China
| | - Wei-An Deng
- Guangxi Key Laboratory of Sericulture Ecology and Applied Intelligent Technology, School of Chemistry and Bioengineering, Hechi University Yizhou 546300, China; College of Life Science, Guangxi Normal University, Guilin 541004, China.
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Alattar A, Alvi AM, Rashid S, Hussain N, Gul M, Ikram M, Khalil AAK, Alshaman R, Shah FA, Li S, Li J. RETRACTED: Carveol ameliorates mercury-induced oxidative stress, neuroinflammation, and neurodegeneration in a mouse brain. Neurotoxicology 2022; 92:212-226. [PMID: 35963490 DOI: 10.1016/j.neuro.2022.08.006] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Revised: 07/26/2022] [Accepted: 08/09/2022] [Indexed: 11/25/2022]
Abstract
This article has been retracted: please see Elsevier Policy on Article Withdrawal (http://www.elsevier.com/locate/withdrawalpolicy). This article has been retracted at the request of the Editors-in-Chief. Sections of panels from Figure 7B appear similar to each other. Also, inconsistencies have been noticed between the text of the subsection 2.5.4. ‘Morris Water Maze (MWM) test’ and Figure 6E. The journal records indicated that the names of the authors Sajid Rashid, Nadia Hussain, Mehreen Gul, Muhammad Ikram and Jingbo Li were added to the revised version of the article without exceptional approval by the handling Editor, which is contrary to the journal policy on changes to authorship.
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Affiliation(s)
- Abdullah Alattar
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, University of Tabuk, Tabuk, Saudi Arabia.
| | - Arooj Mohsin Alvi
- Riphah Institute of Pharmaceutical Sciences, Riphah International University, Islamabad, Pakistan.
| | - Sajid Rashid
- National Center for Bioinformatics, Quaid-i-Azam University, Islamabad, Pakistan
| | - Nadia Hussain
- Department of Pharmaceutical Sciences, College of Pharmacy, Al Ain University, Al Ain, UAE; AAU Health and Biomedical Research center, Al Ain University, Abu Dhabi, UAE
| | - Mehreen Gul
- National Center for Bioinformatics, Quaid-i-Azam University, Islamabad, Pakistan
| | - Muhammad Ikram
- Institute of Pharmaceutical Sciences, Khyber Medical University, Peshawar, Pakistan.
| | - Atif Ali Khan Khalil
- Institute of Pharmacy, Faculty of Pharmaceutical and Allied Health Sciences, Lahore College for Women University, Lahore, Pakistan.
| | - Reem Alshaman
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, University of Tabuk, Tabuk, Saudi Arabia.
| | - Fawad Ali Shah
- Riphah Institute of Pharmaceutical Sciences, Riphah International University, Islamabad, Pakistan.
| | - Shupeng Li
- State Key Laboratory of Oncogenomics, School of Chemical Biology and Biotechnology, Shenzhen Graduate School, Peking University, Shenzhen, China
| | - Jingbo Li
- Health Management Center, Shenzhen University General Hospital, Shenzhen University Clinical Medical Academy, Shenzhen University, Shenzhen, China.
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Mercury-Induced Oxidative Stress Response in Benthic Foraminifera: An In Vivo Experiment on Amphistegina lessonii. BIOLOGY 2022; 11:biology11070960. [PMID: 36101341 PMCID: PMC9312061 DOI: 10.3390/biology11070960] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Revised: 05/22/2022] [Accepted: 06/01/2022] [Indexed: 11/17/2022]
Abstract
The evaluation of the effects of pollution (e.g., Hg pollution) is a difficult task and relies mostly on biomonitoring based on bioindicators. The application of biomarkers may represent a complementary or alternative approach in environmental biomonitoring. Mercury is known to pose a significant health hazard due to its ability to cross cellular membranes, bioaccumulate, and biomagnify. In the present research, the effects of short-term (i.e., 24 h) Hg exposure in the symbiont-bearing benthic foraminiferal species Amphistegina lessonii are evaluated using several biomarkers (i.e., proteins and enzymes). Mercury leads to significant changes in the biochemistry of cells. Its effects are mainly associated with oxidative stress (i.e., production of reactive oxygen species: ROS), depletion of glutathione (GSH), and alteration of protein synthesis. Specifically, our findings reveal that exposure to Hg leads to the consumption of GSH by GPx and GST for the scavenging of ROS and the activation of antioxidant-related enzymes, including SOD and GSH-enzymes (GST, GSR, GPx, and Se-GPx), that are directly related to a defense mechanism against ROS. The Hg exposure also activates the MAPK (e.g., p-p38) and HSP (e.g., HSP 70) pathways. The observed biochemical alterations associated with Hg exposure may represent effective and reliable proxies (i.e., biomarkers) for the evaluation of stress in A. lessonii and lead to a possible application for the detection of early warning signs of environmental stress in biomonitoring.
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Association between Heavy Metal Exposure and Dyslipidemia among Korean Adults: From the Korean National Environmental Health Survey, 2015-2017. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph19063181. [PMID: 35328872 PMCID: PMC8951064 DOI: 10.3390/ijerph19063181] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Revised: 03/02/2022] [Accepted: 03/03/2022] [Indexed: 12/22/2022]
Abstract
Cardiovascular disease (CVD) is a leading cause of death in Korea. Dyslipidemia, characterized by the presence of abnormal lipid levels, has been suggested as an early diagnostic and preventable factor for CVD. Recent studies have shown that exposure to lead (Pb), cadmium (Cd), and mercury (Hg) affects lipid metabolism. This study aimed to verify the association between heavy metal concentrations and serum lipid profiles in the general population. A representative sample of 2591 Korean adults from the Korean National Environmental Health Survey (2015−2017) was analyzed. The associations between heavy metals [Blood Pb (BPb), blood Hg (BHg), urinary Hg (UHg), urinary Cd (UCd)] and serum lipid profiles [total cholesterol (TC), triglyceride (TG), low-density lipoprotein cholesterol (LDL-C), non-low level of high-density lipoprotein cholesterol (Non-HDL-C)] were assessed using regression analysis. After adjusting for demographic and socioeconomic factors, the proportional changes in serum lipid levels were significantly associated with increases in BPb, BHg, and UHg levels (p for trend < 0.05). Overall, BPb, BHg, and Uhg levels positively correlated with dyslipidemia, whereas UCd levels did not show a significant association. Our results suggest that heavy metal exposure, at low levels, may contribute to an increased prevalence of dyslipidemia in Korean adults.
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Tarabay HH, Abol-Enein H, Awadalla A, Mortada WI, Abdel-Aziz AF. Gene expression and oxidative stress markers profile associated with toxic metals in patients with renal cell carcinoma. Mol Biol Rep 2021; 49:1161-1169. [PMID: 34851477 DOI: 10.1007/s11033-021-06944-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2021] [Accepted: 11/08/2021] [Indexed: 01/12/2023]
Abstract
BACKGROUND Toxic metals are associated with cancer progression. Studies have reported the relation between some toxic metals and renal cell carcinoma (RCC). METHODS AND RESULTS Blood levels of Cd and Pb were determined in 94 RCC patients (RCC group) and 91 matched controls as well as blood level of malondialdehyde (MDA) and catalase (CAT) activity as markers of oxidative stress and antioxidant, respectively. Gene expression of MAP kinase pathway (P38 and JNK), hypoxia-inducible factor 1-alpha (HIF1α), vascular endothelial growth factor (VEGF), cytochrome C oxidase subunit 6 (COX6), metallothionein (MT2A), and heat shock protein (HSP90AA1) were evaluated in the obtained tissue specimens. Blood Cd and Pb levels were significantly higher in RCC group comparing to control group with preferential significant increase of Cd in chromophobe RCC (chRCC) sub-type. MDA level was significantly higher and CAT activity was lower in the RCC compared to controls. The difference was evident only in chRCC. The expressions of genes were significantly increased in the cancer tissues than in non-cancerous tissues in RCC sub-types and there was a significant correlation between Cd levels and expression of genes VEGF, MT2A, P38 and JNK in chRCC group. Immunohistochemical staining of clear cell RCC tissues shows a marked expression of VEGF and HIF-1α.While COX6 staining show marked expression in chRCC. CONCLUSIONS There is a positive correlation between Cd toxicity and the development of RCC, especially chRCC sub-type. Cd is strongly incriminated in the pathogenesis of chRCC through the effort on some genes and oxidative stress markers.
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Affiliation(s)
- Heba H Tarabay
- Department of Chemistry, Biochemistry Division, Faculty of Science, Mansoura University, Mansoura, Egypt
| | - Hassan Abol-Enein
- Center of Excellence for Genome and Cancer Research, Urology and Nephrology Center, Mansoura University, PO: 135516, Mansoura, 35516, Egypt.
| | - Amira Awadalla
- Center of Excellence for Genome and Cancer Research, Urology and Nephrology Center, Mansoura University, PO: 135516, Mansoura, 35516, Egypt
| | - Wael I Mortada
- Clinical Chemistry Laboratory, Urology and Nephrology Center, Mansoura University, Mansoura, 35516, Egypt
| | - A F Abdel-Aziz
- Department of Chemistry, Biochemistry Division, Faculty of Science, Mansoura University, Mansoura, Egypt
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Fujiki K. [Involvement of Notch1 and ALK4/5 Signaling Pathways in Renal Tubular Cell Death: Their Application to Clarification of Cadmium Toxicity]. Nihon Eiseigaku Zasshi 2021; 75. [PMID: 33342936 DOI: 10.1265/jjh.20007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Renal tubular cell death is caused by various extracellular stresses including toxic amounts of cadmium, an occupational and environmental pollutant metal, and is responsible for renal dysfunction. While cadmium exposure disrupts many intracellular signaling pathways, the molecular mechanism underlying cadmium-induced renal tubular cell death has not yet been fully elucidated. We have recently identified two important intracellular signaling pathways that promote cadmium-induced renal tubular cell death: the Notch1 signaling and activin receptor-like kinase (ALK) 4/5 signaling (also known as the activin-transforming growth factor β receptor pathways). In this review paper, we introduce our previous experimental findings, focusing on Notch1 and ALK4/5 signaling pathways, which may uncover the molecular mechanisms involved in cadmium-induced renal tubular cell death.
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Affiliation(s)
- Kota Fujiki
- Department of Hygiene and Public Health, Tokyo Women's Medical University
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8
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Gianì F, Masto R, Trovato MA, Franco A, Pandini G, Vigneri R. Thyroid Stem Cells But Not Differentiated Thyrocytes Are Sensitive to Slightly Increased Concentrations of Heavy Metals. Front Endocrinol (Lausanne) 2021; 12:652675. [PMID: 33953698 PMCID: PMC8092438 DOI: 10.3389/fendo.2021.652675] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/12/2021] [Accepted: 03/29/2021] [Indexed: 12/20/2022] Open
Abstract
Thyroid cancer incidence is markedly increased in volcanic areas where residents are biocontaminated by chronic lifelong exposure to slightly increased metals in the environment. Metals can influence the biology of living cells by a variety of mechanisms, depending not only on the dose and length of exposure but also on the type and stage of differentiation of target cells. We explored the effect of five heavy metals (Cu, Hg, Pd, W and Zn) at nanomolar concentrations (the biocontamination level in residents of the volcanic area in Sicily where thyroid cancer is increased) on stimulating the proliferation of undifferentiated (thyrospheres) and differentiated human thyroid cells. Thyrosphere proliferation was significantly increased after exposure to each individual metal and a greater stimulating effect was observed when a mixture of the examined metals was used. No effect was seen in differentiated thyrocytes. For all metals, the dose-response curve followed a biphasic pattern that is typical of hormesis. Thyrosphere growth concerned the size rather than number, except with the metal mixture. An altered morphology was also observed in metal-treated thyrospheres. Metal-induced proliferation was due to activation of the ERK1/2 pathway, as confirmed by growth inhibition when ERK1/2 signaling was blocked. These studies show that stem/precursor thyroid cells are sensitive to small increases in environmental metal concentrations that are harmless for differentiated thyrocytes.
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Affiliation(s)
- Fiorenza Gianì
- Endocrinology, Department of Clinical and Experimental Medicine, Garibaldi-Nesima Medical Center, Catania, Italy
| | - Roberta Masto
- Endocrinology, Department of Clinical and Experimental Medicine, Garibaldi-Nesima Medical Center, Catania, Italy
| | | | - Annarita Franco
- Surgical Oncology, Garibaldi-Nesima Medical Center, Catania, Italy
| | - Giuseppe Pandini
- Endocrinology, Department of Clinical and Experimental Medicine, Garibaldi-Nesima Medical Center, Catania, Italy
| | - Riccardo Vigneri
- Endocrinology, Department of Clinical and Experimental Medicine, Garibaldi-Nesima Medical Center, Catania, Italy
- Crystallography Institute, National Research Council, CNR Catania Section, Catania, Italy
- *Correspondence: Riccardo Vigneri, ;
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Paithankar JG, Saini S, Dwivedi S, Sharma A, Chowdhuri DK. Heavy metal associated health hazards: An interplay of oxidative stress and signal transduction. CHEMOSPHERE 2021; 262:128350. [PMID: 33182141 DOI: 10.1016/j.chemosphere.2020.128350] [Citation(s) in RCA: 230] [Impact Index Per Article: 76.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/18/2020] [Revised: 09/09/2020] [Accepted: 09/13/2020] [Indexed: 05/20/2023]
Abstract
Heavy metal-induced cellular and organismal toxicity have become a major health concern in biomedical science. Indiscriminate use of heavy metals in different sectors, such as, industrial-, agricultural-, healthcare-, cosmetics-, and domestic-sectors has contaminated environment matrices and poses a severe health concern. Xenobiotics mediated effect is a ubiquitous cellular response. Oxidative stress is one such prime cellular response, which is the result of an imbalance in the redox system. Further, oxidative stress is associated with macromolecular damages and activation of several cell survival and cell death pathways. Epidemiological as well as laboratory data suggest that oxidative stress-induced cellular response following heavy metal exposure is linked with an increased risk of neoplasm, neurological disorders, diabetes, infertility, developmental disorders, renal failure, and cardiovascular disease. During the recent past, a relation among heavy metal exposure, oxidative stress, and signaling pathways have been explored to understand the heavy metal-induced toxicity. Heavy metal-induced oxidative stress and its connection with different signaling pathways are complicated; therefore, the systemic summary is essential. Herein, an effort has been made to decipher the interplay among heavy metals/metalloids (Arsenic, Chromium, Cadmium, and Lead) exposures, oxidative stress, and signal transduction, which are essential to mount the cellular and organismal response. The signaling pathways involved in this interplay include NF-κB, NRF2, JAK-STAT, JNK, FOXO, and HIF.
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Affiliation(s)
- Jagdish Gopal Paithankar
- Nitte (Deemed to Be University), Nitte University Centre for Science Education and Research (NUCSER), Division of Environmental Health and Toxicology, Kotekar-Beeri Road, Deralakatte, Mangaluru, 575018, India
| | - Sanjay Saini
- Embryotoxicology Laboratory, Environmental Toxicology Group, CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Vishvigyan Bhawan, 31, Mahatma Gandhi Marg, Lucknow, 226001, Uttar Pradesh, India; Molecular and Human Genetics Laboratory, Department of Zoology, University of Lucknow, Lucknow, 226007, India
| | - Shiwangi Dwivedi
- Nitte (Deemed to Be University), Nitte University Centre for Science Education and Research (NUCSER), Division of Environmental Health and Toxicology, Kotekar-Beeri Road, Deralakatte, Mangaluru, 575018, India
| | - Anurag Sharma
- Nitte (Deemed to Be University), Nitte University Centre for Science Education and Research (NUCSER), Division of Environmental Health and Toxicology, Kotekar-Beeri Road, Deralakatte, Mangaluru, 575018, India.
| | - Debapratim Kar Chowdhuri
- Embryotoxicology Laboratory, Environmental Toxicology Group, CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Vishvigyan Bhawan, 31, Mahatma Gandhi Marg, Lucknow, 226001, Uttar Pradesh, India.
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Keyster M, Niekerk LA, Basson G, Carelse M, Bakare O, Ludidi N, Klein A, Mekuto L, Gokul A. Decoding Heavy Metal Stress Signalling in Plants: Towards Improved Food Security and Safety. PLANTS (BASEL, SWITZERLAND) 2020; 9:E1781. [PMID: 33339160 PMCID: PMC7765602 DOI: 10.3390/plants9121781] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Revised: 11/20/2020] [Accepted: 11/30/2020] [Indexed: 12/12/2022]
Abstract
The mining of heavy metals from the environment leads to an increase in soil pollution, leading to the uptake of heavy metals into plant tissue. The build-up of toxic metals in plant cells often leads to cellular damage and senescence. Therefore, it is of utmost importance to produce plants with improved tolerance to heavy metals for food security, as well as to limit heavy metal uptake for improved food safety purposes. To achieve this goal, our understanding of the signaling mechanisms which regulate toxic heavy metal uptake and tolerance in plants requires extensive improvement. In this review, we summarize recent literature and data on heavy metal toxicity (oral reference doses) and the impact of the metals on food safety and food security. Furthermore, we discuss some of the key events (reception, transduction, and response) in the heavy metal signaling cascades in the cell wall, plasma membrane, and cytoplasm. Our future perspectives provide an outlook of the exciting advances that will shape the plant heavy metal signaling field in the near future.
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Affiliation(s)
- Marshall Keyster
- Environmental Biotechnology Laboratory, Department of Biotechnology, University of the Western Cape, Bellville 7535, South Africa; (L.-A.N.); (M.C.); (O.B.)
- DST-NRF Centre of Excellence in Food Security, University of the Western Cape, Bellville 7530, South Africa;
| | - Lee-Ann Niekerk
- Environmental Biotechnology Laboratory, Department of Biotechnology, University of the Western Cape, Bellville 7535, South Africa; (L.-A.N.); (M.C.); (O.B.)
| | - Gerhard Basson
- Plant Biotechnology Research Group, Department of Biotechnology, University of the Western Cape, Bellville 7535, South Africa;
| | - Mogamat Carelse
- Environmental Biotechnology Laboratory, Department of Biotechnology, University of the Western Cape, Bellville 7535, South Africa; (L.-A.N.); (M.C.); (O.B.)
| | - Olalekan Bakare
- Environmental Biotechnology Laboratory, Department of Biotechnology, University of the Western Cape, Bellville 7535, South Africa; (L.-A.N.); (M.C.); (O.B.)
| | - Ndiko Ludidi
- DST-NRF Centre of Excellence in Food Security, University of the Western Cape, Bellville 7530, South Africa;
- Plant Biotechnology Research Group, Department of Biotechnology, University of the Western Cape, Bellville 7535, South Africa;
| | - Ashwil Klein
- Plant Omics Laboratory, Department of Biotechnology, University of the Western Cape, Bellville 7535, South Africa;
| | - Lukhanyo Mekuto
- Department of Chemical Engineering, University of Johannesburg, Johannesburg 2028, South Africa;
| | - Arun Gokul
- Department of Chemical Engineering, University of Johannesburg, Johannesburg 2028, South Africa;
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Kasemsuk T, Phuagkhaopong S, Yubolphan R, Rungreangplangkool N, Vivithanaporn P. Cadmium induces CCL2 production in glioblastoma cells via activation of MAPK, PI3K, and PKC pathways. J Immunotoxicol 2020; 17:186-193. [DOI: 10.1080/1547691x.2020.1829211] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
Affiliation(s)
- Thitima Kasemsuk
- Division of Pharmacology, Faculty of Pharmaceutical Sciences, Burapha University, Chonburi, Thailand
| | - Suttinee Phuagkhaopong
- Pharmacology Graduate Program, Faculty of Science, Mahidol University, Bangkok, Thailand
| | - Ruedeemars Yubolphan
- Pharmacology Graduate Program, Faculty of Science, Mahidol University, Bangkok, Thailand
| | | | - Pornpun Vivithanaporn
- Chakri Naruebodindra Medical Institute, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Samut Prakan, Thailand
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12
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Proteomic response of Euglena gracilis to heavy metal exposure – Identification of key proteins involved in heavy metal tolerance and accumulation. ALGAL RES 2020. [DOI: 10.1016/j.algal.2019.101764] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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13
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Jiao D, Jiang Q, Liu Y, Ji L. Nephroprotective effect of wogonin against cadmium-induced nephrotoxicity via inhibition of oxidative stress-induced MAPK and NF-kB pathway in Sprague Dawley rats. Hum Exp Toxicol 2019; 38:1082-1091. [PMID: 31132876 DOI: 10.1177/0960327119842635] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Oxidative stress (OS) is one of the responsible factors for causing renal diseases. For the treatment or prevention of the renal disease, antioxidants use could be a hopeful therapeutic mediation as they block the oxidative reaction along with inflammatory process. Wogonin (Wog) is a plant flavonoid, a pharmacologically active component of Scutellaria baicalensis Georgi (Huang Qui), which exhibits antioxidant activity. In this investigation, we explored the nephroprotective activity of Wog on cadmium (Cd)-induced nephron toxicity in rats. Administering (10 and 20 mg/kg) intraperitoneally diminished Cd-induced anomalies in kidney histology and creatinine and serum urea levels. Wog therapy reduced the Cd-influenced generation of inflammatory mediators, inclusive of tumor necrosis factor alpha, interleukin 6, and interleukin 1 beta. Western blot analysis demonstrated that Wog abolished proinflammatory nuclear factor-kappa B (NF-κB) p65 stimulation, phosphorylation of p38 mitogen-activated protein kinases (MAPKs). In all, Wog demonstrated antioxidative and anti-inflammatory effects in Cd- intoxicated rats by obstructing OS and activation of NF-κB via restricting the stimulation of upstream kinases inclusive of MAPKs.
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Affiliation(s)
- D Jiao
- 1 Department of Ultrasound, China-Japan Union Hospital of Jilin University, Changchun, Jilin, China
| | - Q Jiang
- 2 Department of Nephrology, China-Japan Union Hospital of Jilin University, Changchun, Jilin, China
| | - Y Liu
- 2 Department of Nephrology, China-Japan Union Hospital of Jilin University, Changchun, Jilin, China
| | - L Ji
- 3 Department of Cardiology, China-Japan Union Hospital of Jilin University, Changchun, Jilin, China
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P SV, P D R, A B A. Role of PI3K-Akt and MAPK Signaling in Uranyl Nitrate-Induced Nephrotoxicity. Biol Trace Elem Res 2019; 189:405-411. [PMID: 30302617 DOI: 10.1007/s12011-018-1505-9] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/13/2018] [Accepted: 08/31/2018] [Indexed: 02/08/2023]
Abstract
Uranium is a heavy metal of considerable environmental and occupational concern. It is well-known that the kidney is the major target organ of uranium exposure. Elucidating the mechanistic basis of uranium interactions is essential for monitoring the health risk. In the present study, we investigated the cellular mechanisms involved in uranyl nitrate-induced nephrotoxicity. Male Swiss albino mice were administrated with a single intraperitoneal dose of 2 and 4 mg/kg of uranyl nitrate at different time points 1, 3, 5, 7, 14, and 28 days. Uranyl nitrate intoxication-induced apoptosis in the kidney tissue was observed by TUNEL assay. To assess the proliferation, immunohistochemistry was performed using Ki67 proliferative marker followed by western blotting to confirm the involvement of key signaling molecules. The number of TUNEL positive nuclei peaked at third day after uranyl nitrate insult. The increased expression of proliferation marker Ki67 suggests the enhanced DNA repair process prominently at seventh day. Uranyl nitrate administration also resulted in activation of extracellular signal-regulated kinases (ERK), Akt, and c-Jun N-terminal kinases (JNK) expression. All these changes were found to be time-dependent. The result of the current study suggests that uranyl nitrate induces acute renal injury by activation of apoptosis through JNK pathway, while the early activation of signaling molecules Akt and ERK promotes the tubular cell proliferation and cell survival.
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Affiliation(s)
- Sangetha Vijayan P
- Yenepoya Research Centre, Yenepoya University, Deralakatte, Mangalore, 575018, India
| | - Rekha P D
- Yenepoya Research Centre, Yenepoya University, Deralakatte, Mangalore, 575018, India
| | - Arun A B
- Yenepoya Research Centre, Yenepoya University, Deralakatte, Mangalore, 575018, India.
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Wang JP, Huang XY, Zhang KY, Ding XM, Zeng QF, Bai SP, Celi P, Yan L, Peng HW, Mao XB. Involvement of P38 and ERK1/2 in mitochondrial pathways independent cell apoptosis in oviduct magnum epithelial cells of layers challenged with vanadium. ENVIRONMENTAL TOXICOLOGY 2018; 33:1312-1320. [PMID: 30251772 DOI: 10.1002/tox.22639] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/14/2018] [Revised: 08/05/2018] [Accepted: 08/09/2018] [Indexed: 06/08/2023]
Abstract
Vanadium (V) can induce cell apoptosis in layers' oviduct resulting in egg quality reduction. In this study, we investigated the relationship between the mitogen-activated protein kinase (MAPK)-signaling pathway and V-induced apoptosis in poultry oviduct magnum epithelial cells (OMECs). Cultured OMECs were divided into 8 treatment groups: 0 μmol/L V (control), 100 μmol/L V (V100), V100 + P38MAPK inhibitor (SB203580), SB203580, V100 + extracellular signal-regulated kinases 1 and 2 (ERK1/2) inhibitor (U0126), U0126, V100 + c-JUN NH2 -terminal kinase (JNK) inhibitor (SP600125), and SP600125. The OMECs were pretreated with the MAPK inhibitors before their treatment with V100 for 12 h. V100 increased the apoptosis of OMECs (P < .05), while 3 MAPK inhibitors suppressed V100-induced apoptosis P < .05); V100 enhanced the depolarization of △ψm (P < .05), and SB203580 and U0126 alleviated the V100-induced △ψm decrease (P < .05); V100 downregulated B-cell lymphoma-2 (Bcl-2) and poly [Adenosine diphosphate ribose] polymerase 1 (PARP1) mRNA expression (P < .05), meanwhile it upregulated Bcl-2 associated x (Bax), Apaf1, cytochrome C (CytC) and cysteine aspartase (caspase) 3, 8, 9 mRNA expression (P < .05). All MAPKs inhibitors alleviated the up-regulation of V100 for Bax and caspase 3 mRNA expression and down-regulation of V100 for Bcl-2 expression (P < .05). SB203580 and U0126 upregulated CytC expression treated by V100 (P < .05), except SP600125, while SB203580 administration resulted in a similar upregulation of PARP1 expression (P < .05). SP600125 can alleviated V triggered p-P38MAPK (phosphor-P38), p-ERK1/2 (phosphor-ERK1/2), p-JNK (phosphor-JNK) increase on OME cells, and SB203580 and U0126 had a similar response to phosphor-P38 and p-JNK (P < .05). It concluded that V-induced apoptosis in OMECs through the activation of P38 and ERK1/2, and by increasing the ratio of Bax/Bcl-2, which resulted in △ψm decrease, CytC release into the cytosol; consequently caspase 3 is recruited and activated, PARP1 is cleaved, eventually leading to apoptosis.
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Affiliation(s)
- Jian-Ping Wang
- Key Laboratory for Animal Disease-Resistance Nutrition of China, Ministry of Education, Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, China
| | - Xuan-Yang Huang
- Key Laboratory for Animal Disease-Resistance Nutrition of China, Ministry of Education, Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, China
| | - Ke-Ying Zhang
- Key Laboratory for Animal Disease-Resistance Nutrition of China, Ministry of Education, Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, China
| | - Xue-Mei Ding
- Key Laboratory for Animal Disease-Resistance Nutrition of China, Ministry of Education, Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, China
| | - Qiu-Feng Zeng
- Key Laboratory for Animal Disease-Resistance Nutrition of China, Ministry of Education, Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, China
| | - Shi-Ping Bai
- Key Laboratory for Animal Disease-Resistance Nutrition of China, Ministry of Education, Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, China
| | - Pietro Celi
- Faculty of Veterinary and Agricultural Sciences, The University of Melbourne, Parkville, Victoria, Australia
- DSM Nutritional Products, Animal Nutrition and Health, Columbia, Maryland
| | - Lei Yan
- DSM Nutritional Products, Animal Nutrition and Health, Columbia, Maryland
| | - Huan-Wei Peng
- Key Laboratory for Animal Disease-Resistance Nutrition of China, Ministry of Education, Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, China
| | - Xiang-Bing Mao
- Key Laboratory for Animal Disease-Resistance Nutrition of China, Ministry of Education, Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, China
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16
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Pang Y, Qi G, Jiang S, Zhou Y, Li W. 1,2-Dichloroethane-induced hepatotoxicity and apoptosis by inhibition of ERK 1/2 pathways. Can J Physiol Pharmacol 2018; 96:1119-1126. [DOI: 10.1139/cjpp-2017-0677] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Yaqin Pang
- Youjiang Medical University for Nationalities, Faculty of Toxicology, School of Public Health, Baise, Guangxi, China
| | - Guangzi Qi
- Youjiang Medical University for Nationalities, Faculty of Toxicology, School of Public Health, Baise, Guangxi, China
| | - Sili Jiang
- Guangzhou Center for Disease Control and Prevention, Guangzhou, Guangdong, China
| | - Ying Zhou
- Guangzhou Center for Disease Control and Prevention, Guangzhou, Guangdong, China
| | - Wenxue Li
- Guangzhou Center for Disease Control and Prevention, Guangzhou, Guangdong, China
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17
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Wang J, Huang X, Zhang K, Mao X, Ding X, Zeng Q, Bai S, Xuan Y, Peng H. Vanadate oxidative and apoptotic effects are mediated by the MAPK-Nrf2 pathway in layer oviduct magnum epithelial cells. Metallomics 2018; 9:1562-1575. [PMID: 29022012 DOI: 10.1039/c7mt00191f] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Vanadium is a metal of high physiological, environmental and industrial importance. However, vanadium-induced oxidative stress can reduce the egg quality of poultry, and be potentially harmful to humans, and the underlying mechanism is not clear. In this study, we investigated the underlying relationship between the oxidant-sensitive mitogen-activated protein kinase (MAPK) signaling pathway and vanadium-induced oxidative stress in oviduct magnum epithelial (OME) cells. Cultured OME cells were treated with 100 μmol L-1 vanadium and/or MAPK inhibitors [P38 MAPK inhibitor, SB203580; extracellular regulated protein kinase 1 and 2 (ERK1/2) inhibitor, U0126; c-JUN N-terminal kinases (JNK) inhibitor, SP600125]. Cell viability, apoptosis, and generation of reactive oxygen species (ROS) were assessed using flow cytometry. The expression of oxidative stress-related genes and their proteins was measured by reverse transcription-polymerase chain reaction and western blotting. Vanadium treatment reduced cell viability, whereas pretreated OME cells with SB203580 and U0126 prevented the reducing effect of vanadium on cell viability (P < 0.05). Likewise, MAPK inhibitors effectively suppressed vanadium-induced apoptosis and ROS generation (P < 0.05). In the OME cells treated with vanadium, SB203580 (P < 0.05) and SP600125 (P = 0.08) increased catalase activity by 89.3% and 55.3%; SB203580 and U0126 increased (P < 0.05) glutathione peroxidase activity by 44.9% and 51.1%, respectively. Incubation of OME cells with MAPK inhibitors also prevents malondialdehyde concentration increase and lactic dehydrogenase activity decrease in response to vanadium (P < 0.05). Vanadium downregulated P38, ERK1/2, JNK, Nrf2, sMaf, GCLC, NQO1 and HO-1 mRNA expression (P < 0.05). In contrast, inhibition of JNK with SP600125 upregulated P38, ERK1/2, JNK, Nrf2, GCLC and HO-1 mRNA expression (P < 0.05); inhibition of P38 with SB203580 upregulated JNK, NQO1 and HO-1 mRNA expression (P < 0.05); and inhibition of ERK1/2 with U0126 upregulated ERK1/2, GCLC and HO-1 mRNA expression (P < 0.05). Moreover, phosphorylation of P38, ERK1/2, JNK, and Nrf2 proteins was enhanced by V incubation; however, SP600125 blocked the phosphorylation of these proteins, whereas SB203580 blocked the phosphorylation of P38 and Nrf2. These results indicate that vanadium inducing oxidative stress in OME cells might be, at least, associated with the phosphorylation of the P38MAPK/JNK-Nrf2 pathway, which reduces the expression of phase II detoxifying enzymes.
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Affiliation(s)
- Jianping Wang
- Animal Nutrition Institute, Sichuan Agricultural University, Key Laboratory for Animal Disease-Resistance Nutrition of China, Ministry of Education, Chengdu 611130, China.
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18
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Physio-biochemical and molecular mechanism underlying the enhanced heavy metal tolerance in highland barley seedlings pre-treated with low-dose gamma irradiation. Sci Rep 2017; 7:14233. [PMID: 29079762 PMCID: PMC5660250 DOI: 10.1038/s41598-017-14601-8] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2016] [Accepted: 10/10/2017] [Indexed: 11/08/2022] Open
Abstract
Heavy metal pollution, as a consequence of rapid industrialization and urbanization, poses a threat to highland barley grown in Tibet. This study investigates the effect of different doses of gamma irradiation (50–300 Gy) on the physio-biochemical and molecular mechanism of highland barley under heavy metal stress. Growth data showed that 50-Gy gamma irradiation had the maximal beneficial effects on the highland barley seedlings under lead/cadmium stress. The results of oxidative parameters demonstrated that 50-Gy gamma-irradiated seedlings had lower hydrogen peroxide and malondialdehyde contents under lead/cadmium stress compared to non-irradiated seedlings. Moreover, the activities of antioxidant enzyme and proline levels in 50-Gy gamma-irradiated seedlings were drastically higher than those in non-irradiated seedlings under lead/cadmium stress. Additionally, transmission electron microscopy results revealed that the 50-Gy gamma-irradiated seedlings exhibited improved chloroplasts ultrastructure compared with non-irradiated seedlings exposed to lead/cadmium stress. Notably, transcriptional expression analysis showed that 50-Gy gamma irradiation could significantly affect the expression of genes related to heavy metal transport and abscisic acid metabolism under lead/cadmium stress. Collectively, these results provide insights into the physio-biochemical and molecular mechanisms of low-dose-gamma-irradiation-enhanced heavy metal tolerance in highland barley seedlings, thus proposing gamma irradiation as a potential technology to mitigate heavy metal toxicity in crops.
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Maleki M, Ghorbanpour M, Kariman K. Physiological and antioxidative responses of medicinal plants exposed to heavy metals stress. ACTA ACUST UNITED AC 2017. [DOI: 10.1016/j.plgene.2017.04.006] [Citation(s) in RCA: 88] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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20
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Park JC, Han J, Lee MC, Kang HM, Jeong CB, Hwang DS, Wang M, Lee JS. Adverse effects of BDE-47 on life cycle parameters, antioxidant system, and activation of MAPK signaling pathway in the rotifer Brachionus koreanus. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2017; 186:105-112. [PMID: 28282617 DOI: 10.1016/j.aquatox.2017.02.025] [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: 11/21/2016] [Revised: 02/23/2017] [Accepted: 02/25/2017] [Indexed: 06/06/2023]
Abstract
2,2',4,4'-Tetrabromodiphenyl ether (BDE-47) is widely dispersed endocrine disrupting chemicals (EDCs) in the aquatic ecosystem. Due to its devastating effect on marine organisms and insufficient database on toxicology, we investigated the adverse effects of BDE-47 on life parameters and antioxidant defense system following the reactive oxygen species (ROS) production in the monogonont rotifer Brachionus koreanus. In B. koreanus, the reduction in life cycle, fecundity, and population growth were observed in response to BDE-47. 50μg/L BDE-47 significantly reduced (P<0.05) life expectancy and net reproductive rate. In response to 10-50μg/L BDE-47 exposure, the oxidative stress was elicited via the generation of ROS, while the antioxidant related enzymes (e.g. glutathione S-transferase [GST] and glutathione reductase [GR]) have demonstrated significant activity levels (P<0.05) to further alleviate the oxidative stress in a concentration dependent manner. Furthermore, transcript profiles of antioxidant function (GST-A, -O, and -S1-S8)-related genes have shown the significant increase over 24h in response to BDE-47 (0, 10, 25, and 50μg/L). As for MAPK signaling pathway analysis, up-regulation of their activities was observed at 25μg/L BDE-47 but their activities have reduced at adult NOEC concentration of 50μg/L. This study provides a better understanding of the effects of BDE-47 on life parameters, molecular defense system, and activation of MAPK signaling pathway against generated oxidants in the rotifer.
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Affiliation(s)
- Jun Chul Park
- Department of Biological Science, College of Science, Sungkyunkwan University, Suwon 16419, South Korea
| | - Jeonghoon Han
- Department of Biological Science, College of Science, Sungkyunkwan University, Suwon 16419, South Korea
| | - Min-Chul Lee
- Department of Biological Science, College of Science, Sungkyunkwan University, Suwon 16419, South Korea
| | - Hye-Min Kang
- Department of Biological Science, College of Science, Sungkyunkwan University, Suwon 16419, South Korea
| | - Chang-Bum Jeong
- Department of Biological Science, College of Science, Sungkyunkwan University, Suwon 16419, South Korea
| | - Dae-Sik Hwang
- Department of Biological Science, College of Science, Sungkyunkwan University, Suwon 16419, South Korea
| | - Minghua Wang
- Center for Marine Environmental Chemistry and Toxicology, College of the Environment & Ecology, Xiamen University, Xiamen 361102, China
| | - Jae-Seong Lee
- Department of Biological Science, College of Science, Sungkyunkwan University, Suwon 16419, South Korea.
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21
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Phuagkhaopong S, Ospondpant D, Kasemsuk T, Sibmooh N, Soodvilai S, Power C, Vivithanaporn P. Cadmium-induced IL-6 and IL-8 expression and release from astrocytes are mediated by MAPK and NF-κB pathways. Neurotoxicology 2017; 60:82-91. [DOI: 10.1016/j.neuro.2017.03.001] [Citation(s) in RCA: 67] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2016] [Revised: 03/04/2017] [Accepted: 03/06/2017] [Indexed: 11/24/2022]
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22
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Cui ZG, Ogawa R, Tsuneyama K, Yan G, Tao L, Shimomura A, Inadera H. Insight into the molecular mechanism of heme oxygenase-1 induction by docosahexaenoic acid in U937 cells. Chem Biol Interact 2015; 238:180-8. [PMID: 26163453 DOI: 10.1016/j.cbi.2015.07.005] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2015] [Revised: 06/28/2015] [Accepted: 07/06/2015] [Indexed: 01/01/2023]
Abstract
Heme oxygenase-1 (HO-1) has anti-inflammatory effects on myeloid cells in response to various stimuli. To date, little is known about whether fatty acids can affect HO-1 induction. Here, we report the induction of HO-1 by docosahexaenoic acid (DHA) and the associated molecular mechanisms in human myelomonocytic lymphoma U937 cells. When U937 cells were treated with DHA, eicosapentaenoic acid, palmitic acid or oleic acid, DHA was the most effective inducer of HO-1. The activation of AKT and glycogen synthase kinase-3β did not significantly change after DHA treatment. However, DHA increased the activation of extracellular signal-regulated kinases 1 and 2 (ERK1/2), but not of other mitogen-activated protein kinases such as p38 and JNK. The increase in HO-1 expression was significantly inhibited by U0126, an ERK1/2 inhibitor. Nuclear translocation of nuclear factor erythroid 2-related factor 2 (Nrf-2) and its binding to the HO-1 promoter significantly increased upon DHA treatment. An increase in intracellular reactive oxygen species was detected by dichlorofluorescein diacetate, but not by hydroethidium or 2-[6-(4-hydroxy)phenoxy-3H-xanthen-3-on-9-yl] benzoic acid after DHA treatment. Pretreatment with NAC dramatically inhibited the ERK1/2 activation, binding of Nrf-2 to antioxidant response elements (AREs) located in the HO-1 promoter and the induction of HO-1 by DHA. In conclusion, DHA increased HO-1 expression in U937 cells via activation of ERK1/2 and increased Nrf-2 binding to ARE in the HO-1 promoter. These findings will help develop better strategies for treating inflammatory disorders with DHA.
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Affiliation(s)
- Zheng-Guo Cui
- Department of Public Health, Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama, 2630 Sugitani, Toyama 930-0194, Japan.
| | - Ryohei Ogawa
- Department of Radiological Sciences, Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama, 2630 Sugitani, Toyama 930-0194, Japan.
| | - Koichi Tsuneyama
- Department of Diagnostic Pathology, Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama, 2630 Sugitani, Toyama 930-0194, Japan.
| | - Gen Yan
- Department of Radiology, The Affiliated Hospital of Jiangnan University, Wuxi 21422, PR China.
| | - Lingling Tao
- Department of Public Health, Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama, 2630 Sugitani, Toyama 930-0194, Japan.
| | - Akiko Shimomura
- Department of Public Health, Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama, 2630 Sugitani, Toyama 930-0194, Japan.
| | - Hidekuni Inadera
- Department of Public Health, Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama, 2630 Sugitani, Toyama 930-0194, Japan.
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Paula MT, Zemolin AP, Vargas AP, Golombieski RM, Loreto ELS, Saidelles AP, Picoloto RS, Flores EMM, Pereira AB, Rocha JBT, Merritt TJS, Franco JL, Posser T. Effects of Hg(II) exposure on MAPK phosphorylation and antioxidant system in D. melanogaster. ENVIRONMENTAL TOXICOLOGY 2014; 29:621-630. [PMID: 22700419 DOI: 10.1002/tox.21788] [Citation(s) in RCA: 55] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/02/2011] [Revised: 05/04/2012] [Accepted: 05/07/2012] [Indexed: 06/01/2023]
Abstract
The heavy metal mercury is a known toxin, but while the mechanisms involved in mercury toxicity have been well demonstrated in vertebrates, little is known about toxicological effects of this metal in invertebrates. Here, we present the results of our study investigating the effects associated with exposure of fruit fly Drosophila melanogaster to inorganic mercury (HgCl2 ). We quantify survival and locomotor performance as well as a variety of biochemical parameters including antioxidant status, MAPK phosphorylation and gene expression following mercury treatment. Our results demonstrate that exposure to Hg(II) through diet induced mortality and affected locomotor performance as evaluated by negative geotaxis, in D. melanogaster. We also saw a significant impact on the antioxidant system including an inhibition of acetylcholinesterase (Ache), glutathione S-transferase (GST) and superoxide dismutase (SOD) activities. We found no significant alteration in the levels of mRNA of antioxidant enzymes or NRF-2 transcriptional factor, but did detect a significant up regulation of the HSP83 gene. Mercury exposure also induced the phosphorylation of JNK and ERK, without altering p38(MAPK) and the concentration of these kinases. In parallel, Hg(II) induced PARP cleavage in a 89 kDa fragment, suggesting the triggering of apoptotic cell death in response to the treatment. Taken together, this data clarifies and extends our understanding of the molecular mechanisms mediating Hg(II) toxicity in an invertebrate model.
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Affiliation(s)
- M T Paula
- Departamento de Química, Centro de Ciências Naturais e Exatas, Universidade Federal de Santa Maria, Santa Maria, Rio Grande do Sul 97105-900, Brazil
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24
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Kumawat KL, Kaushik DK, Goswami P, Basu A. Acute exposure to lead acetate activates microglia and induces subsequent bystander neuronal death via caspase-3 activation. Neurotoxicology 2014; 41:143-53. [DOI: 10.1016/j.neuro.2014.02.002] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2013] [Revised: 01/20/2014] [Accepted: 02/04/2014] [Indexed: 01/13/2023]
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25
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Ye L, Shi Z, Liu H, Yang X, Wang K. GdCl3 induced Hep G2 cell death through mitochondrial and external death pathways without significant elevation of ROS generation. Biol Trace Elem Res 2013; 151:148-55. [PMID: 23129526 DOI: 10.1007/s12011-012-9538-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/16/2012] [Accepted: 10/22/2012] [Indexed: 01/13/2023]
Abstract
Gadolinium (Gd) compounds have important applications as MRI contrast and potential anticancer agents. The present study investigated the mechanisms of the proapoptotic effect of gadolinium chloride (GdCl(3)) on hepatoblastoma cell line (Hep G2) tumor cells. The experimental results indicated that GdCl(3) induced apoptosis of Hep G2 at high concentration and with long time incubation; however, unlike the actions on normal cell lines, GdCl(3) did not cause any oxidative stress on tumor cells. Cytochrome c (Cyt c) and apoptosis inducing factor release, Bax translocation, collapse of mitochondria membrane potential, caspase 3 and 8 activation, and Bid cleavage were observed along with a sustained activation of extracellular signal-regulated kinase (ERK) and c-Jun NH2 terminal kinase (JNK). Addition of ERK and JNK inhibitor attenuated the effect of GdCl(3) induced apoptosis and Cyt c release. All the results suggested a novel mechanism that GdCl(3) induced Hep G2 cell death through intrinsic and external death pathways without significant elevation of reactive oxygen species generation. The present work provided new insight to understand the mechanisms of the biological effects of GdCl(3) and implications for the development of anticancer Gd agents.
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Affiliation(s)
- Lihua Ye
- State Key Laboratories of Natural and Biomimetic Drugs, Peking University, Beijing, People's Republic of China
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26
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p38 MAPK as a signal transduction component of heavy metals stress in Euglena gracilis. Arch Microbiol 2008; 191:47-54. [DOI: 10.1007/s00203-008-0427-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2008] [Revised: 08/05/2008] [Accepted: 08/18/2008] [Indexed: 10/21/2022]
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27
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Kidokoro K, Iwata KI, Takeda M, Fujiwara Y. Involvement of ERK/MAPK in regulation of diapause intensity in the false melon beetle, Atrachya menetriesi. JOURNAL OF INSECT PHYSIOLOGY 2006; 52:1189-93. [PMID: 17056058 DOI: 10.1016/j.jinsphys.2006.09.001] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/03/2006] [Revised: 09/01/2006] [Accepted: 09/07/2006] [Indexed: 05/12/2023]
Abstract
Embryonic diapause is commonly terminated by exposure to low temperature for a certain duration. Previous studies using the silkworm, Bombyx mori, showed that extracellular signal-regulated kinase (ERK), a member of the mitogen-activated protein kinase family, was activated by cold exposure and regulated diapause termination. The involvement of ERK in regulation of diapause termination was investigated in the false melon beetle, Atrachya menetriesi. Embryonic diapause of this beetle is terminated both by cold exposure and by mercury. Phospho-ERK levels remained high during the pre-diapause period but decreased after the eggs entered diapause. Exposure to 7.5 degrees C, which was effective for diapause termination, increased phospho-ERK levels, and these levels were maintained under 7.5 degrees C at least for 100 d. Incubation at 25 degrees C after the eggs were kept at 7.5 degrees C for 20 d, which intensified diapause, decreased the phospho-ERK level. An insufficient cold treatment, i.e., incubation at 0 degrees C for diapause termination did not activate ERK. However, incubation at 0 degrees C after cold treatment at 7.5 degrees C, which is effective for diapause termination, induced high phospho-ERK levels. Moreover, mercury treatment also increased phospho-ERK. Therefore, changes in the phospho-ERK level correlated well with diapause intensity. The results suggest that ERK plays a key role in the regulation of embryonic diapause.
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Affiliation(s)
- Kurako Kidokoro
- Division of Molecular Science, Graduate School of Science and Technology, Kobe University, 1-1 Rokkodaicho, Nada-ku, Kobe 657-8501, Japan.
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