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Huang J, Jiang Z, Ruan Z, Sheng H, Liu S, Dong X, Su X, Feng L, Li Y, Xu H, Chen J, Xia H, Li T, Li J, Xu L, Lou J. Cr (VI)-induced ribosomal DNA copy number variation is associated with semen quality impairment: Evidence from human to animal study. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2024; 282:116700. [PMID: 38981392 DOI: 10.1016/j.ecoenv.2024.116700] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/22/2024] [Revised: 06/27/2024] [Accepted: 07/05/2024] [Indexed: 07/11/2024]
Abstract
OBJECTIVES This study aimed to analyze the possible role of rDNA copy number variation in the association between hexavalent chromium [Cr (VI)] exposure and semen quality in semen donors and further confirm this association in mice. METHODS In this cross-sectional study, whole blood and semen samples were collected from 155 semen donors in the Zhejiang Human Sperm Bank from January 1st to April 31st, 2021. Adult C57BL/6 J male mice were treated with different doses of Cr (VI) (0, 10, or 15 mg/kg b.w./day). Semen quality, including semen volume, total spermatozoa count, sperm concentration, progressive motility, and total motility, were analyzed according to the WHO laboratory manual. Cr concentration was detected using inductively coupled plasma mass spectrometry. The rDNA copy number was measured using qPCR. RESULTS In semen donors, whole blood Cr concentration was negatively associated with semen concentration and total sperm counts. Semen 5 S and 45 S rDNA copy numbers were negatively associated with whole blood Cr concentration and whole blood 5.8 S rDNA copy number was negatively associated with semen Cr concentration. In mice, Cr (VI) damaged testicular tissue, decreased semen quality, and caused rDNA copy number variation. Semen quality was related to the rDNA copy number in whole blood, testicular tissue, and semen samples in mice. CONCLUSION Cr (VI) was associated with decreased semen quality in semen donors and mice. Our findings suggest an in-depth analysis of the role of the rDNA copy number variation in the Cr (VI)-induced impairment of semen quality.
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Affiliation(s)
- Jing Huang
- School of Public Health, Hangzhou Medical College, Hangzhou, Zhejiang Province, China
| | - Zhaoqiang Jiang
- School of Public Health, Hangzhou Medical College, Hangzhou, Zhejiang Province, China
| | - Zheng Ruan
- School of Public Health, Hangzhou Medical College, Hangzhou, Zhejiang Province, China
| | - Huiqiang Sheng
- Zhejiang Mater Child and Reproductive Health Center, Hangzhou, Zhejiang Province, China
| | - Shuang Liu
- School of Public Health, Hangzhou Medical College, Hangzhou, Zhejiang Province, China
| | - Xiaowen Dong
- School of Public Health, Hangzhou Medical College, Hangzhou, Zhejiang Province, China
| | - Xin Su
- School of Public Health, Hangzhou Medical College, Hangzhou, Zhejiang Province, China
| | - Lingfang Feng
- School of Public Health, Hangzhou Medical College, Hangzhou, Zhejiang Province, China
| | - Yongxin Li
- School of Public Health, Hangzhou Medical College, Hangzhou, Zhejiang Province, China
| | - Huadong Xu
- School of Public Health, Hangzhou Medical College, Hangzhou, Zhejiang Province, China
| | - Junfei Chen
- School of Public Health, Hangzhou Medical College, Hangzhou, Zhejiang Province, China
| | - Hailing Xia
- School of Public Health, Hangzhou Medical College, Hangzhou, Zhejiang Province, China
| | - Tao Li
- School of Public Health, Hangzhou Medical College, Hangzhou, Zhejiang Province, China
| | - Jiaping Li
- School of Public Health, Hangzhou Medical College, Hangzhou, Zhejiang Province, China
| | - Ling Xu
- Zhejiang Mater Child and Reproductive Health Center, Hangzhou, Zhejiang Province, China.
| | - Jianlin Lou
- School of Public Health, Hangzhou Medical College, Hangzhou, Zhejiang Province, China; School of Medicine, and The First Affiliated Hospital, Huzhou University, Huzhou, Zhejiang Province, China.
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Abstract
Heavy metals are harmful environmental pollutants that have attracted widespread attention due to their health hazards to human cardiovascular disease. Heavy metals, including lead, cadmium, mercury, arsenic, and chromium, are found in various sources such as air, water, soil, food, and industrial products. Recent research strongly suggests a connection between cardiovascular disease and exposure to toxic heavy metals. Epidemiological, basic, and clinical studies have revealed that heavy metals can promote the production of reactive oxygen species, which can then exacerbate reactive oxygen species generation and induce inflammation, resulting in endothelial dysfunction, lipid metabolism distribution, disruption of ion homeostasis, and epigenetic changes. Over time, heavy metal exposure eventually results in an increased risk of hypertension, arrhythmia, and atherosclerosis. Strengthening public health prevention and the application of chelation or antioxidants, such as vitamins and beta-carotene, along with minerals, such as selenium and zinc, can diminish the burden of cardiovascular disease attributable to metal exposure.
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Affiliation(s)
- Ziwei Pan
- Key Laboratory of Combined Multi Organ Transplantation, Ministry of Public Health, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China (Z.P., P.L.)
- Institute of Translational Medicine, Zhejiang University, Hangzhou, China (Z.P., P.L.)
| | - Tingyu Gong
- Shulan International Medical College, Zhejiang Shuren University, Hangzhou, China (T.G.)
| | - Ping Liang
- Key Laboratory of Combined Multi Organ Transplantation, Ministry of Public Health, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China (Z.P., P.L.)
- Institute of Translational Medicine, Zhejiang University, Hangzhou, China (Z.P., P.L.)
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Dürig J, Calcagni M, Buschmann J. Transition metals in angiogenesis - A narrative review. Mater Today Bio 2023; 22:100757. [PMID: 37593220 PMCID: PMC10430620 DOI: 10.1016/j.mtbio.2023.100757] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Revised: 07/14/2023] [Accepted: 07/31/2023] [Indexed: 08/19/2023] Open
Abstract
The aim of this paper is to offer a narrative review of the literature regarding the influence of transition metals on angiogenesis, excluding lanthanides and actinides. To our knowledge there are not any reviews up to date offering such a summary, which inclined us to write this paper. Angiogenesis describes the process of blood vessel formation, which is an essential requirement for human growth and development. When the complex interplay between pro- and antiangiogenic mediators falls out of balance, angiogenesis can quickly become harmful. As it is so fundamental, both its inhibition and enhancement take part in various diseases, making it a target for therapeutic treatments. Current methods come with limitations, therefore, novel agents are constantly being researched, with metal agents offering promising results. Various transition metals have already been investigated in-depth, with studies indicating both pro- and antiangiogenic properties, respectively. The transition metals are being applied in various formulations, such as nanoparticles, complexes, or scaffold materials. Albeit the increasing attention this field is receiving, there remain many unanswered questions, mostly regarding the molecular mechanisms behind the observed effects. Notably, approximately half of all the transition metals have not yet been investigated regarding potential angiogenic effects. Considering the promising results which have already been established, it should be of great interest to begin investigating the remaining elements whilst also further analyzing the established effects.
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Affiliation(s)
- Johannes Dürig
- University of Zürich, Faculty of Medicine, Pestalozzistrasse 3, 8032, Zurich, Switzerland
- University Hospital of Zürich, Department of Plastic Surgery and Hand Surgery, Rämistrasse 100, 8091, Zürich, Switzerland
| | - Maurizio Calcagni
- University Hospital of Zürich, Department of Plastic Surgery and Hand Surgery, Rämistrasse 100, 8091, Zürich, Switzerland
| | - Johanna Buschmann
- University Hospital of Zürich, Department of Plastic Surgery and Hand Surgery, Rämistrasse 100, 8091, Zürich, Switzerland
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4
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Mezencev R, Gibbons C. Interactions between chromium species and DNA in vitro and their potential role in the toxicity of hexavalent chromium. Metallomics 2023; 15:mfad045. [PMID: 37491700 DOI: 10.1093/mtomcs/mfad045] [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: 05/01/2023] [Accepted: 07/12/2023] [Indexed: 07/27/2023]
Abstract
Epidemiological and animal studies have supported the carcinogenicity of hexavalent chromium [Cr(VI)]; however, molecular changes responsible for the induction of cancer by Cr(VI) are not entirely understood. Numerous mechanistic studies suggested the role of oxidative stress and genotoxicity in Cr(VI)-mediated carcinogenesis; however, specific types of DNA damage have not yet been conclusively attributed to specific chromium species or other reactive byproducts generated in biological systems exposed to Cr(VI). Due to the remarkably complex chemistry and biological effects of chromium species generated through the intracellular reduction of Cr(VI), their relevance for Cr(VI)-mediated carcinogenesis has not yet been fully elucidated and continues to be a subject of ongoing discussions in the field. In this report, we describe a complex world of chromium species and their reactivity with DNA and other biologically relevant molecules in vitro to inform a more complete understanding of Cr(VI)-mediated toxicity. In addition, we discuss previous results in the context of in vitro models and analytical methods to reconcile some conflicting findings on the biological role of chromium species.
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Affiliation(s)
- R Mezencev
- Center for Public Health and Environmental Assessment, Office of Research and Development, US EPA, Washington, DC, USA
| | - C Gibbons
- Center for Public Health and Environmental Assessment, Office of Research and Development, US EPA, Washington, DC, USA
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Iyer M, Anand U, Thiruvenkataswamy S, Babu HWS, Narayanasamy A, Prajapati VK, Tiwari CK, Gopalakrishnan AV, Bontempi E, Sonne C, Barceló D, Vellingiri B. A review of chromium (Cr) epigenetic toxicity and health hazards. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 882:163483. [PMID: 37075992 DOI: 10.1016/j.scitotenv.2023.163483] [Citation(s) in RCA: 19] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/17/2022] [Revised: 03/13/2023] [Accepted: 04/09/2023] [Indexed: 05/03/2023]
Abstract
Carcinogenic metals affect a variety of cellular processes, causing oxidative stress and cancer. The widespread distribution of these metals caused by industrial, residential, agricultural, medical, and technical activities raises concern for adverse environmental and human health effects. Of these metals, chromium (Cr) and its derivatives, including Cr(VI)-induced, are of a public health concern as they cause DNA epigenetic alterations resulting in heritable changes in gene expression. Here, we review and discuss the role of Cr(VI) in epigenetic changes, including DNA methylation, histone modifications, micro-RNA changes, biomarkers of exposure and toxicity, and highlight prevention and intervention strategies to protect susceptible populations from exposure and adverse occupational health effects. Cr(VI) is a ubiquitous toxin linked to cardiovascular, developmental, neurological, and endocrine diseases as well as immunologic disorders and a high number of cancer types in humans following inhalation and skin contact. Cr alters DNA methylation levels as well as global and gene-specific histone posttranslational modifications, emphasizing the importance of considering epigenetics as a possible mechanism underlying Cr(VI) toxicity and cell-transforming ability. Our review shows that determining the levels of Cr(VI) in occupational workers is a crucial first step in shielding health problems, including cancer and other disorders. More clinical and preventative measures are therefore needed to better understand the toxicity and safeguard employees against cancer.
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Affiliation(s)
- Mahalaxmi Iyer
- Department of Biotechnology, Karpagam Academy of Higher Education (Deemed to be University), Coimbatore 641021, India
| | - Uttpal Anand
- Zuckerberg Institute for Water Research, Jacob Blaustein Institutes for Desert Research, Ben-Gurion University of the Negev, Sede Boqer Campus, Midreshet Ben-Gurion 8499000, Israel
| | - Saranya Thiruvenkataswamy
- Disease Proteomics Laboratory, Department of Zoology, Bharathiar University, Coimbatore 641046, Tamil Nadu, India; Department of Zoology (PG-SF), PSG college of arts and science, Coimbatore 641014, Tamil Nadu, India
| | - Harysh Winster Suresh Babu
- Human Molecular Cytogenetics and Stem Cell Laboratory, Department of Human Genetics and Molecular Biology, Bharathiar University, Coimbatore 641 046, Tamil Nadu, India
| | - Arul Narayanasamy
- Disease Proteomics Laboratory, Department of Zoology, Bharathiar University, Coimbatore 641046, Tamil Nadu, India.
| | - Vijay Kumar Prajapati
- Department of Biochemistry, University of Delhi South Campus, Benito Juarez Road, Dhaula Kuan, New Delhi, India
| | - Chandan Kumar Tiwari
- Research and Development section, Carestream Health Inc., Oakdale, MN 55128, United States of America
| | - Abilash Valsala Gopalakrishnan
- Department of Biomedical Sciences, School of Biosciences and Technology, Vellore Institute of Technology, Tamil Nadu, Vellore 632 014, India
| | - Elza Bontempi
- INSTM and Chemistry for Technologies Laboratory, University of Brescia, via Branze 38, 25123 Brescia, Italy
| | - Christian Sonne
- Department of Ecoscience, Arctic Research Centre, Faculty of Science and Technology, Aarhus University, Frederiksborgvej 399, PO Box 358, 4000 Roskilde, Denmark
| | - Damià Barceló
- Catalan Institute for Water Research (ICRA-CERCA), H(2)O Building, Scientific and Technological Park of the University of Girona, Emili Grahit 101, Girona 17003, Spain; Water and Soil Quality Research Group, Department of Environmental Chemistry, Institute of Environmental Assessment and Water Research (IDAEA-CSIC), Jordi Girona 1826, Barcelona 08034, Spain
| | - Balachandar Vellingiri
- Stem cell and Regenerative Medicine/Translational Research, North block, Department of Zoology, School of Basic Sciences, Central University of Punjab, Bathinda, Punjab 151401, India.
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Xu H, Shi L, Feng L, Wu F, Chen J, Qin Y, Dong X, Jiang Z, Li Y, Xia H, Lou J. Hexavalent chromium [Cr(VI)]-induced ribosomal DNA copy number variation and DNA damage responses and their associations with nucleolar protein HRAS in humans and cells. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023:121816. [PMID: 37182578 DOI: 10.1016/j.envpol.2023.121816] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/12/2023] [Revised: 04/06/2023] [Accepted: 05/11/2023] [Indexed: 05/16/2023]
Abstract
The carcinogenicity of hexavalent chromium [Cr(VI)] and its compounds has been widely recognized, yet the mechanism of genetic damage is still not fully understood. The ribosomal DNA (rDNA) copy number is recently considered a potential marker of cancer-associated stress. To investigate the roles of rDNA copy number variation (CNV) in DNA damage responses (DDRs) induced by Cr(VI) and the potential mechanism from nucleolar protein HRAS, a cross-sectional study in Cr(Ⅵ)-exposed workers and an in vitro experiment using HeLa cells were conducted. Our results showed increased levels of rDNA CNV, DDRs, and HRAS expression in Cr(VI)-exposed workers. Generalized linear regression analyses showed that Cr(VI) exposure was significantly positively associated with increased levels of rDNA CNV, DDRs, and HRAS expression in Cr(VI)-exposed workers. Moreover, there were pairwise associations between rDNA CNV, DDRs, and HRAS levels. Mediation analyses found that rDNA CNV significantly mediated the association between Cr(VI) exposure and DDRs. The in vitro experiments further confirmed that Cr(VI) treatment induced increased levels of rDNA CNV, DDRs, and HRAS expression in HeLa cells. Cr(VI)-induced rDNA CNV, ATM activation, and apoptosis damage were then strongly enhanced by HRAS depletion with siRNA in vitro, suggesting the important role of HRAS in CNV and DDRs caused by Cr(VI). The combined results of the human and cell line studies indicated that Cr(VI) exposure might enhance rDNA CNV by regulation of HRAS expression, which leads to Cr(VI)-induced genetic damage.
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Affiliation(s)
- Huadong Xu
- School of Public Health, Hangzhou Medical College, Hangzhou, Zhejiang, 310013, China
| | - Li Shi
- School of Public Health, Hangzhou Medical College, Hangzhou, Zhejiang, 310013, China
| | - Lingfang Feng
- School of Public Health, Hangzhou Medical College, Hangzhou, Zhejiang, 310013, China
| | - Fan Wu
- School of Public Health, Hangzhou Medical College, Hangzhou, Zhejiang, 310013, China
| | - Junfei Chen
- School of Public Health, Hangzhou Medical College, Hangzhou, Zhejiang, 310013, China
| | - Yao Qin
- School of Public Health, Hangzhou Medical College, Hangzhou, Zhejiang, 310013, China
| | - Xiaowen Dong
- School of Public Health, Hangzhou Medical College, Hangzhou, Zhejiang, 310013, China
| | - Zhaoqiang Jiang
- School of Public Health, Hangzhou Medical College, Hangzhou, Zhejiang, 310013, China
| | - Yongxin Li
- School of Public Health, Hangzhou Medical College, Hangzhou, Zhejiang, 310013, China
| | - Hailing Xia
- School of Public Health, Hangzhou Medical College, Hangzhou, Zhejiang, 310013, China
| | - Jianlin Lou
- School of Public Health, Hangzhou Medical College, Hangzhou, Zhejiang, 310013, China; School of Medicine, and the First Affiliated Hospital, Huzhou University, Huzhou, Zhejiang, 313000, China.
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7
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Mortada WI, El-Naggar A, Mosa A, Palansooriya KN, Yousaf B, Tang R, Wang S, Cai Y, Chang SX. Biogeochemical behaviour and toxicology of chromium in the soil-water-human nexus: A review. CHEMOSPHERE 2023; 331:138804. [PMID: 37137390 DOI: 10.1016/j.chemosphere.2023.138804] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Revised: 04/25/2023] [Accepted: 04/27/2023] [Indexed: 05/05/2023]
Abstract
Chromium (Cr) affects human health if it accumulates in organs to elevated concentrations. The toxicity risk of Cr in the ecosphere depends upon the dominant Cr species and their bioavailability in the lithosphere, hydrosphere, and biosphere. However, the soil-water-human nexus that controls the biogeochemical behaviour of Cr and its potential toxicity is not fully understood. This paper synthesizes information on different dimensions of Cr ecotoxicological hazards in the soil and water and their subsequent effects on human health. The various routes of environmental exposure of Cr to humans and other organisms are also discussed. Human exposure to Cr(VI) causes both carcinogenic and non-carcinogenic health effects via complicated reactions that include oxidative stress, chromosomal and DNA damage, and mutagenesis. Chromium (VI) inhalation can cause lung cancer; however, incidences of other types of cancer following Cr(VI) exposure are low but probable. The non-carcinogenic health consequences of Cr(VI) exposure are primarily respiratory and cutaneous. Research on the biogeochemical behaviour of Cr and its toxicological hazards on human and other biological routes is therefore urgently needed to develop a holistic approach to understanding the soil-water-human nexus that controls the toxicological hazards of Cr and its detoxification.
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Affiliation(s)
- Wael I Mortada
- Urology and Nephrology Center, Mansoura University, Mansoura, 35516, Egypt
| | - Ali El-Naggar
- State Key Laboratory of Subtropical Silviculture, Zhejiang A&F University, Lin'an, 311300, China; Department of Soil Sciences, Faculty of Agriculture, Ain Shams University, Cairo, 11241, Egypt; Department of Renewable Resources, University of Alberta, Edmonton, Alberta, T6G 2H1, Canada
| | - Ahmed Mosa
- Soils Department, Faculty of Agriculture, Mansoura University, Mansoura, 35516, Egypt.
| | | | - Balal Yousaf
- CAS-Key Laboratory of Crust-Mantle Materials and the Environments, School of Earth and Space Sciences, University of Science and Technology of China, Hefei, 230026, China; Department of Environmental Engineering, Middle East Technical University, Ankara, 06800, Turkey
| | - Ronggui Tang
- State Key Laboratory of Subtropical Silviculture, Zhejiang A&F University, Lin'an, 311300, China
| | - Shengsen Wang
- College of Environmental Science and Engineering, Yangzhou University, 196 W Huayang Rd, Yangzhou, Jiangsu, PR China
| | - Yanjiang Cai
- State Key Laboratory of Subtropical Silviculture, Zhejiang A&F University, Lin'an, 311300, China
| | - Scott X Chang
- State Key Laboratory of Subtropical Silviculture, Zhejiang A&F University, Lin'an, 311300, China; Department of Renewable Resources, University of Alberta, Edmonton, Alberta, T6G 2H1, Canada.
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A "heat set" Zr-Diimide based Fibrous Metallogel: Multiresponsive Sensor, Column-based Dye Separation, and Iodine Sequestration. J Colloid Interface Sci 2023; 633:441-452. [PMID: 36462267 DOI: 10.1016/j.jcis.2022.11.111] [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: 09/28/2022] [Revised: 11/04/2022] [Accepted: 11/22/2022] [Indexed: 11/27/2022]
Abstract
Sensing and monitoring hazardous contaminants in water and radioactive iodine sequestration is pivotal due to their detrimental impact on biological ecosystems. In this context, herein, a water stable zirconium-diimide based metallogel (Zr@MG) with fibrous columnar morphology is accomplished through the "heat set" method. The presence of diimide linkage with long aromatic chain manifests active luminescence properties in the linker as well as in the supramolecular framework structure. The as-synthesized Zr@MG xerogel can selectively detectCr2O72- (LOD = 0.52 ppm) and 2,4,6-trinitrophenol (TNP) (LOD = 80.2 ppb) in the aqueous medium. The Zr@MG paper strip-based detection for Cr2O72- and nitro explosive makes this metallogel reliable and an attractive luminescent sensor for practical use. Moreover, a column-based dye separation experiment was performed to show selective capture of positively charged methylene blue (MB) dye with 98 % separation efficiency from the mixture of two dyes. Also, the Zr@MG xerogel showed effective iodine sequestration from the vapor phase (232 wt%).
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Islam S, Kamila S, Chattopadhyay A. Toxic and carcinogenic effects of hexavalent chromium in mammalian cells in vivo and in vitro: a recent update. JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH. PART C, TOXICOLOGY AND CARCINOGENESIS 2023; 40:282-315. [PMID: 36728911 DOI: 10.1080/26896583.2022.2158675] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Chromium VI (Cr (VI)) can cross cell membranes readily and causes the formation of Cr-DNA adducts, genomic damages, elevation of reactive oxygen species (ROS) and alteration of survival signaling pathways, as evidenced by the modulation in p53 signaling pathway. Mammals, including humans are exposed to Cr, including Cr (VI), frequently through inhalation, drinking water, and food. Several studies demonstrated that Cr (VI) induces cellular death through apoptosis and autophagy, genotoxicity, functional alteration of mitochondria, endocrine and reproductive impairments. In the present review, studies on deleterious effects of Cr (VI) exposure to mammalian cells (in vivo and in vitro) have been documented. Special attention is paid to the underlying molecular mechanism of Cr (VI) toxicity.
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Affiliation(s)
- Shehnaz Islam
- Department of Zoology, Visva-Bharati, Santiniketan, West Bengal, India
| | - Sreejata Kamila
- Department of Zoology, Visva-Bharati, Santiniketan, West Bengal, India
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Alhegaili AS. Role of DNA Repair Deficiency in Cancer Development. Pak J Biol Sci 2023; 26:15-22. [PMID: 37129201 DOI: 10.3923/pjbs.2023.15.22] [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] [Indexed: 05/03/2023]
Abstract
The DNA is constantly under attack from endogenous and exogenous damaging agents. The damaged DNA must be repaired quickly to avoid genomic instability and to prevent the occurrence of a malignant transformation. Once a lesion is detected, the DNA repair mechanism initiates and replaces the structurally altered base or any other abnormality. The cell repair mechanisms include direct reversal, excision repair (base excision repair [BER] and nucleotide excision repair [NER]), mismatch repair (MMR), homologous recombination repair (HR) and non-homologous end joining (NHEJ). Unrepaired DNA could lead to mutation, cell death or cancer. This review will discuss how the defects in DNA repair play a vital role in cancer initiation, development and progression.
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Tavares A, Aimonen K, Ndaw S, Fučić A, Catalán J, Duca RC, Godderis L, Gomes BC, Janasik B, Ladeira C, Louro H, Namorado S, Nieuwenhuyse AV, Norppa H, Scheepers PTJ, Ventura C, Verdonck J, Viegas S, Wasowicz W, Santonen T, Silva MJ. HBM4EU Chromates Study-Genotoxicity and Oxidative Stress Biomarkers in Workers Exposed to Hexavalent Chromium. TOXICS 2022; 10:483. [PMID: 36006162 PMCID: PMC9412464 DOI: 10.3390/toxics10080483] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Revised: 08/13/2022] [Accepted: 08/17/2022] [Indexed: 06/15/2023]
Abstract
A study was conducted within the European Human Biomonitoring Initiative (HBM4EU) to characterize occupational exposure to Cr(VI). Herein we present the results of biomarkers of genotoxicity and oxidative stress, including micronucleus analysis in lymphocytes and reticulocytes, the comet assay in whole blood, and malondialdehyde and 8-oxo-2′-deoxyguanosine in urine. Workers from several Cr(VI)-related industrial activities and controls from industrial (within company) and non-industrial (outwith company) environments were included. The significantly increased genotoxicity (p = 0.03 for MN in lymphocytes and reticulocytes; p < 0.001 for comet assay data) and oxidative stress levels (p = 0.007 and p < 0.001 for MDA and 8-OHdG levels in pre-shift urine samples, respectively) that were detected in the exposed workers over the outwith company controls suggest that Cr(VI) exposure might still represent a health risk, particularly, for chrome painters and electrolytic bath platers, despite the low Cr exposure. The within-company controls displayed DNA and chromosomal damage levels that were comparable to those of the exposed group, highlighting the relevance of considering all industry workers as potentially exposed. The use of effect biomarkers proved their capacity to detect the early biological effects from low Cr(VI) exposure, and to contribute to identifying subgroups that are at higher risk. Overall, this study reinforces the need for further re-evaluation of the occupational exposure limit and better application of protection measures. However, it also raised some additional questions and unexplained inconsistencies that need follow-up studies to be clarified.
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Affiliation(s)
- Ana Tavares
- Department of Human Genetics, National Institute of Health Dr. Ricardo Jorge (INSA), Av. Padre Cruz, 1649-016 Lisbon, Portugal
| | - Kukka Aimonen
- Finnish Institute of Occupational Health, 00250 Helsinki, Finland
| | - Sophie Ndaw
- French National Research and Safety Institute, 54500 Vandœuvre-lès-Nancy, France
| | - Aleksandra Fučić
- Institute for Medical Research and Occupational Health, Ksaverska Cesta 2, HR-10001 Zagreb, Croatia
| | - Julia Catalán
- Finnish Institute of Occupational Health, 00250 Helsinki, Finland
- Department of Anatomy Embryology and Genetics, University of Zaragoza, 50013 Zaragoza, Spain
| | - Radu Corneliu Duca
- Centre for Environment and Health, Department of Public Health and Primary Care, KU Leuven (University of Leuven), O&N 5b, Herestraat 49, P.O. Box 952, 3000 Leuven, Belgium
- Department of Health Protection, Laboratoire National de Santé (LNS), 3555 Dudelange, Luxembourg
| | - Lode Godderis
- Centre for Environment and Health, Department of Public Health and Primary Care, KU Leuven (University of Leuven), O&N 5b, Herestraat 49, P.O. Box 952, 3000 Leuven, Belgium
- IDEWE, External Service for Prevention and Protection at Work, 3001 Heverlee, Belgium
| | - Bruno C. Gomes
- Centre for Toxicogenomics and Human Health (Toxomics), NOVA Medical School, Universidade NOVA de Lisboa, Campo dos Mártires da Pátria, 130, 1169-056 Lisbon, Portugal
| | - Beata Janasik
- Department of Environmental and Biological Monitoring, Nofer Institute of Occupational Medicine, 91348 Lodz, Poland
| | - Carina Ladeira
- HTRC—Health & Technology Research Center, ESTeSL—Escola Superior de Tecnologia da Saúde, Instituto Politécnico de Lisboa, 1549-020 Lisbon, Portugal
| | - Henriqueta Louro
- Department of Human Genetics, National Institute of Health Dr. Ricardo Jorge (INSA), Av. Padre Cruz, 1649-016 Lisbon, Portugal
- Centre for Toxicogenomics and Human Health (Toxomics), NOVA Medical School, Universidade NOVA de Lisboa, Campo dos Mártires da Pátria, 130, 1169-056 Lisbon, Portugal
| | - Sónia Namorado
- Department of Human Genetics, National Institute of Health Dr. Ricardo Jorge (INSA), Av. Padre Cruz, 1649-016 Lisbon, Portugal
| | - An Van Nieuwenhuyse
- Centre for Environment and Health, Department of Public Health and Primary Care, KU Leuven (University of Leuven), O&N 5b, Herestraat 49, P.O. Box 952, 3000 Leuven, Belgium
- Department of Health Protection, Laboratoire National de Santé (LNS), 3555 Dudelange, Luxembourg
| | - Hannu Norppa
- Finnish Institute of Occupational Health, 00250 Helsinki, Finland
| | - Paul T. J. Scheepers
- Radboud Institute for Health Sciences, Radboudumc, 6500 HB Nijmegen, The Netherlands
| | - Célia Ventura
- Department of Human Genetics, National Institute of Health Dr. Ricardo Jorge (INSA), Av. Padre Cruz, 1649-016 Lisbon, Portugal
- Centre for Toxicogenomics and Human Health (Toxomics), NOVA Medical School, Universidade NOVA de Lisboa, Campo dos Mártires da Pátria, 130, 1169-056 Lisbon, Portugal
| | - Jelle Verdonck
- Centre for Environment and Health, Department of Public Health and Primary Care, KU Leuven (University of Leuven), O&N 5b, Herestraat 49, P.O. Box 952, 3000 Leuven, Belgium
| | - Susana Viegas
- NOVA National School of Public Health, Universidade NOVA de Lisboa, 1600-560 Lisbon, Portugal
- Comprehensive Health Research Center (CHRC), 1169-056 Lisbon, Portugal
| | - Wojciech Wasowicz
- Department of Environmental and Biological Monitoring, Nofer Institute of Occupational Medicine, 91348 Lodz, Poland
| | - Tiina Santonen
- Finnish Institute of Occupational Health, 00250 Helsinki, Finland
| | - Maria João Silva
- Department of Human Genetics, National Institute of Health Dr. Ricardo Jorge (INSA), Av. Padre Cruz, 1649-016 Lisbon, Portugal
- Centre for Toxicogenomics and Human Health (Toxomics), NOVA Medical School, Universidade NOVA de Lisboa, Campo dos Mártires da Pátria, 130, 1169-056 Lisbon, Portugal
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12
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Wang HT, Lee HW, Weng MW, Liu Y, Huang WC, Lepor H, Wu XR, Tang MS. The role of TAp63γ and P53 point mutations in regulating DNA repair, mutational susceptibility and invasion of bladder cancer cells. eLife 2021; 10:71184. [PMID: 34747697 PMCID: PMC8575459 DOI: 10.7554/elife.71184] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2021] [Accepted: 10/21/2021] [Indexed: 11/13/2022] Open
Abstract
It has long been recognized that non-muscle-invasive bladder cancer (NMIBC) has a low propensity (20%) of becoming muscle-invasive (MIBC), and that MIBC carry many more p53 point mutations (p53m) than NMIBC (50% vs 10%). MIBC also has a higher mutation burden than NMIBC. These results suggest that DNA repair capacities, mutational susceptibility and p53m are crucial for MIBC development. We found MIBC cells are hypermutable, deficient in DNA repair and have markedly downregulated DNA repair genes, XPC, hOGG1/2 and Ref1, and the tumor suppressor, TAp63γ. In contrast, NMIBC cells are hyperactive in DNA repair and exhibit upregulated DNA repair genes and TAp63γ. A parallel exists in human tumors, as MIBC tissues have markedly lower DNA repair activity, and lower expression of DNA repair genes and TAp63γ compared to NMIBC tissues. Forced TAp63γ expression in MIBC significantly mitigates DNA repair deficiencies and reduces mutational susceptibility. Knockdown of TAp63γ in NMIBC greatly reduces DNA repair capacity and enhances mutational susceptibility. Manipulated TAp63γ expression or knockdown of p53m reduce the invasion of MIBC by 40–60%. However, the combination of p53m knockdown with forced TAp63γ expression reduce the invasion ability to nil suggesting that p53m contributes to invasion phenotype independent from TAp63γ. These results indicate that in BC, TAp63γ regulates DNA repair capacities, mutational susceptibility and invasion, and that p53m contribute to the invasion phenotype. We conclude that concurrent TAp63γ suppression and acquisition of p53m are a major cause for MIBC development.
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Affiliation(s)
- Hsiang-Tsui Wang
- Department of Environmental Medicine, New York University Grossman School of Medicine, New York, United States
| | - Hyun-Wook Lee
- Department of Environmental Medicine, New York University Grossman School of Medicine, New York, United States
| | - Mao-Wen Weng
- Department of Environmental Medicine, New York University Grossman School of Medicine, New York, United States
| | - Yan Liu
- Department of Urology, New York University Grossman School of Medicine, New York, United States
| | - William C Huang
- Department of Urology, New York University Grossman School of Medicine, New York, United States
| | - Herbert Lepor
- Department of Urology, New York University Grossman School of Medicine, New York, United States
| | - Xue-Ru Wu
- Department of Urology, New York University Grossman School of Medicine, New York, United States
| | - Moon-Shong Tang
- Department of Environmental Medicine, New York University Grossman School of Medicine, New York, United States
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13
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Wang L, Liu LZ, Jiang BH. Dysregulation of microRNAs in metal-induced angiogenesis and carcinogenesis. Semin Cancer Biol 2021; 76:279-286. [PMID: 34428550 DOI: 10.1016/j.semcancer.2021.08.009] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2021] [Revised: 08/18/2021] [Accepted: 08/19/2021] [Indexed: 12/19/2022]
Abstract
MicroRNAs (miRNAs) are small endogenous non-coding RNAs that regulate cancer initiation, development, angiogenesis, and therapeutic resistance. Metal exposure widely occurs through air, water, soil, food, and industrial contaminants. Hundreds of millions of people may have metal exposure associated with toxicity, serious health problems, and cancer occurrence. Metal exposure is found to induce oxidative stress, DNA damage and repair, and activation of multiple signaling pathways. However, molecular mechanisms of metal-induced carcinogenesis remain to be elucidated. Recent studies demonstrated that the exposure of metals such as arsenic, hexavalent chromium, cadmium, and nickel caused dysregulation of microRNAs that are implicated to play an important role in cell transformation, tumor growth and angiogenesis. This review focuses on the recent studies that show metal-induced miRNA dysregulation and underlined mechanisms in cell malignant transformation, angiogenesis and tumor growth.
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Affiliation(s)
- Lin Wang
- Academy of Medical Science, Zhengzhou University, Zhengzhou, 450000, China; Department of Pathology, Anatomy and Cell Biology, Thomas Jefferson University, Philadelphia, PA, 19107, United States
| | - Ling-Zhi Liu
- Department of Medical Oncology, Thomas Jefferson University, Philadelphia, PA, 19107, United States.
| | - Bing-Hua Jiang
- Department of Pathology, Anatomy and Cell Biology, Thomas Jefferson University, Philadelphia, PA, 19107, United States.
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14
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Lou J, Yu S, Feng L, Guo X, Wang M, Branco AT, Li T, Lemos B. Environmentally induced ribosomal DNA (rDNA) instability in human cells and populations exposed to hexavalent chromium [Cr (VI)]. ENVIRONMENT INTERNATIONAL 2021; 153:106525. [PMID: 33774497 PMCID: PMC8477438 DOI: 10.1016/j.envint.2021.106525] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/09/2021] [Revised: 03/09/2021] [Accepted: 03/11/2021] [Indexed: 05/12/2023]
Abstract
Hexavalent Chromium [Cr (VI)] is an established toxicant, carcinogen, and a significant source of public health concern. The multicopy ribosomal DNA (rDNA) array is mechanistically linked to aging and cancer, is the most evolutionarily conserved segment of the human genome, and gives origin to nucleolus, a nuclear organelle where ribosomes are assembled. Here we show that exposure to Cr (VI) induces instability in the rDNA, triggering cycles of rapid, specific, and transient amplification and contraction of the array in human cells. The dynamic of environmentally responsive rDNA copy number (CN) amplification and contraction occurs at doses to which millions of individuals are regularly exposed. Finally, analyses of human populations occupationally exposed to Cr (VI) indicate that environmental exposure history and drinking habits but not age shape extensive naturally occurring rDNA copy number variation. Our observations identify a novel pathway of response to hexavalent chromium exposure and raise the prospect that a suite of environmental determinants of rDNA copy number remain to be discovered.
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Affiliation(s)
- Jianlin Lou
- Program in Molecular and Integrative Physiological Sciences & Department of Environmental Health, Harvard T. H. Chan School of Public Health, Boston, MA, USA; School of Public Health, Hangzhou Medical College, Hangzhou, People's Republic of China; Institute of Occupational Diseases, Zhejiang Academy of Medical Sciences, Hangzhou, People's Republic of China
| | - Shoukai Yu
- Program in Molecular and Integrative Physiological Sciences & Department of Environmental Health, Harvard T. H. Chan School of Public Health, Boston, MA, USA
| | - Lingfang Feng
- School of Public Health, Hangzhou Medical College, Hangzhou, People's Republic of China; Institute of Occupational Diseases, Zhejiang Academy of Medical Sciences, Hangzhou, People's Republic of China
| | - Xinnian Guo
- School of Public Health, Hangzhou Medical College, Hangzhou, People's Republic of China; Institute of Occupational Diseases, Zhejiang Academy of Medical Sciences, Hangzhou, People's Republic of China
| | - Meng Wang
- Program in Molecular and Integrative Physiological Sciences & Department of Environmental Health, Harvard T. H. Chan School of Public Health, Boston, MA, USA
| | - Alan T Branco
- Program in Molecular and Integrative Physiological Sciences & Department of Environmental Health, Harvard T. H. Chan School of Public Health, Boston, MA, USA
| | - Tao Li
- School of Public Health, Hangzhou Medical College, Hangzhou, People's Republic of China; Institute of Occupational Diseases, Zhejiang Academy of Medical Sciences, Hangzhou, People's Republic of China
| | - Bernardo Lemos
- Program in Molecular and Integrative Physiological Sciences & Department of Environmental Health, Harvard T. H. Chan School of Public Health, Boston, MA, USA.
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15
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Ventura C, Gomes BC, Oberemm A, Louro H, Huuskonen P, Mustieles V, Fernández MF, Ndaw S, Mengelers M, Luijten M, Gundacker C, Silva MJ. Biomarkers of effect as determined in human biomonitoring studies on hexavalent chromium and cadmium in the period 2008-2020. ENVIRONMENTAL RESEARCH 2021; 197:110998. [PMID: 33713715 DOI: 10.1016/j.envres.2021.110998] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/29/2020] [Revised: 03/05/2021] [Accepted: 03/05/2021] [Indexed: 06/12/2023]
Abstract
A number of human biomonitoring (HBM) studies have presented data on exposure to hexavalent chromium [Cr(VI)] and cadmium (Cd), but comparatively few include results on effect biomarkers. The latter are needed to identify associations between exposure and adverse outcomes (AOs) in order to assess public health implications. To support improved derivation of EU regulation and policy making, it is of great importance to identify the most reliable effect biomarkers for these heavy metals that can be used in HBM studies. In the framework of the Human Biomonitoring for Europe (HBM4EU) initiative, our study aim was to identify effect biomarkers linking Cr(VI) and Cd exposure to selected AOs including cancer, immunotoxicity, oxidative stress, and omics/epigenetics. A comprehensive PubMed search identified recent HBM studies, in which effect biomarkers were examined. Validity and applicability of the markers in HBM studies are discussed. The most frequently analysed effect biomarkers regarding Cr(VI) exposure and its association with cancer were those indicating oxidative stress (e.g., 8-hydroxy-2'-deoxyguanosine (8-OHdG), malondialdehyde (MDA), glutathione (GSH)) and DNA or chromosomal damage (comet and micronucleus assays). With respect to Cd and to some extent Cr, β-2-microglobulin (B2-MG) and N-acetyl-β-D-glucosaminidase (NAG) are well-established, sensitive, and the most common effect biomarkers to relate Cd or Cr exposure to renal tubular dysfunction. Neutrophil gelatinase-associated lipocalin (NGAL) and kidney injury molecule (KIM)-1 could serve as sensitive biomarkers of acute kidney injury in response to both metals, but need further investigation in HBM studies. Omics-based biomarkers, i.e., changes in the (epi-)genome, transcriptome, proteome, and metabolome associated with Cr and/or Cd exposure, are promising effect biomarkers, but more HBM data are needed to confirm their significance. The combination of established effect markers and omics biomarkers may represent the strongest approach, especially if based on knowledge of mechanistic principles. To this aim, also mechanistic data were collected to provide guidance on the use of more sensitive and specific effect biomarkers. This also led to the identification of knowledge gaps relevant to the direction of future research.
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Affiliation(s)
- Célia Ventura
- National Institute of Health Doutor Ricardo Jorge (INSA), Human Genetics Department, Av. Padre Cruz, 1649-016, Lisbon, Toxicogenomics and Human Health (ToxOmics), NOVA Medical School/FCM, Universidade Nova de Lisboa, Portugal
| | - Bruno Costa Gomes
- National Institute of Health Doutor Ricardo Jorge (INSA), Human Genetics Department, Av. Padre Cruz, 1649-016, Lisbon, Toxicogenomics and Human Health (ToxOmics), NOVA Medical School/FCM, Universidade Nova de Lisboa, Portugal
| | - Axel Oberemm
- German Federal Institute for Risk Assessment, Max-Dohrn-Straße 8-10, 10589, Berlin, Germany
| | - Henriqueta Louro
- National Institute of Health Doutor Ricardo Jorge (INSA), Human Genetics Department, Av. Padre Cruz, 1649-016, Lisbon, Toxicogenomics and Human Health (ToxOmics), NOVA Medical School/FCM, Universidade Nova de Lisboa, Portugal
| | - Pasi Huuskonen
- Finnish Institute of Occupational Health, PO Box 40, FI-00032 Työterveyslaitos, Finland
| | - Vicente Mustieles
- Center for Biomedical Research (CIBM), University of Granada, Granada, Spain; Biosanitary Research Institute of Granada (ibs.GRANADA), Granada, Spain; Consortium for Biomedical Research in Epidemiology & Public Health (CIBERESP), Spain
| | - Mariana F Fernández
- Center for Biomedical Research (CIBM), University of Granada, Granada, Spain; Biosanitary Research Institute of Granada (ibs.GRANADA), Granada, Spain; Consortium for Biomedical Research in Epidemiology & Public Health (CIBERESP), Spain
| | - Sophie Ndaw
- French National Research and Safety Institute (INRS), France
| | - Marcel Mengelers
- National Institute for Public Health and the Environment (RIVM), Centre for Nutrition, Prevention and Health Services, Department of Food Safety, Bilthoven, the Netherlands
| | - Mirjam Luijten
- National Institute for Public Health and the Environment (RIVM), Centre for Health Protection, Bilthoven, the Netherlands
| | - Claudia Gundacker
- Institute of Medical Genetics, Medical University of Vienna, Waehringer Strasse 10, A-1090 Vienna, Austria.
| | - Maria João Silva
- National Institute of Health Doutor Ricardo Jorge (INSA), Human Genetics Department, Av. Padre Cruz, 1649-016, Lisbon, Toxicogenomics and Human Health (ToxOmics), NOVA Medical School/FCM, Universidade Nova de Lisboa, Portugal.
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16
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Chaouhan HS, Jha RR, Patel DK, Kar Chowdhuri D. Cr(VI)-induced DNA damage is lessened by the modulation of hsp70 via increased GSH de novo synthesis in Drosophila melanogaster. J Biochem Mol Toxicol 2021; 35:e22819. [PMID: 34056787 DOI: 10.1002/jbt.22819] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2020] [Revised: 02/16/2021] [Accepted: 05/18/2021] [Indexed: 01/16/2023]
Abstract
Hexavalent chromium [Cr(VI)] is a genotoxic chemical, and in the chemical-exposed organism, oxidative stress is one of the leading causative mechanisms of genotoxicity. Heat shock protein-70 (Hsp70) is reported to be modulated in environmental chemical exposed organisms. Inadequate information on the protective role of Hsp70 in chemical-induced DNA lesions prompted us to investigate this possibility in a well-studied genetically tractable in vivo model Drosophila melanogaster. In the midgut cells of Cr(VI)-exposed hsp70-knockout (KO), -knockdown (KD), and -overexpression Drosophila strains, no significant change in double-strand breaks generation was observed in comparison to similarly exposed w 1118 and the respective genetic control strain after 48 h. Therefore, the role of hsp70 was investigated on oxidative DNA damage induction in the exposed organisms after 24 h. Oxidized DNA lesions (particularly oxidized purine-based lesions), 8-oxo-dG level, and oxidative stress endpoints were found to be significantly elevated in hsp70-KO and -KD strains in comparison to similarly exposed w 1118 and respective genetic control strain. On the contrary, in ubiquitous hsp70-overexpression strain exposed to Cr(VI), these endpoints were significantly lowered concurrently with increased GSH level through elevated gclc, and gclm expression, Gclc level, and GCL activity. The study suggests that as a consequence of hsp70 overexpression, the augmented GSH level in cells vis-a-vis GSH de novo synthesis can counteract Cr(VI)-induced oxidized DNA lesions.
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Affiliation(s)
- Hitesh S Chaouhan
- Embryotoxicology Laboratory, Environmental Toxicology Group, CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Lucknow, Uttar Pradesh, India.,Academy of Scientific and Innovative Research (AcSIR), CSIR-IITR Campus, Lucknow, Uttar Pradesh, India
| | - Rakesh R Jha
- Academy of Scientific and Innovative Research (AcSIR), CSIR-IITR Campus, Lucknow, Uttar Pradesh, India.,Environmental Monitoring Laboratory, Regulatory Toxicology Group, Environmental Toxicology Group, CSIR Indian Institute of Toxicology Research, Lucknow, Uttar Pradesh, India
| | - Devendra K Patel
- Academy of Scientific and Innovative Research (AcSIR), CSIR-IITR Campus, Lucknow, Uttar Pradesh, India.,Environmental Monitoring Laboratory, Regulatory Toxicology Group, Environmental Toxicology Group, CSIR Indian Institute of Toxicology Research, Lucknow, Uttar Pradesh, India
| | - Debapratim Kar Chowdhuri
- Embryotoxicology Laboratory, Environmental Toxicology Group, CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Lucknow, Uttar Pradesh, India.,Academy of Scientific and Innovative Research (AcSIR), CSIR-IITR Campus, Lucknow, Uttar Pradesh, India
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17
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Zhang Y, Zheng P, Su Z, Hu G, Jia G. Perspectives of Genetic Damage and Epigenetic Alterations by Hexavalent Chromium: Time Evolution Based on a Bibliometric Analysis. Chem Res Toxicol 2021; 34:684-694. [PMID: 33663212 DOI: 10.1021/acs.chemrestox.0c00415] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Compounds containing hexavalent chromium [Cr(VI)] have been classified as Group I human carcinogens in 1990 by the International Agency for Research on Cancer, known to induce human lung cancers. To determine the nature of Cr(VI) carcinogenesis, much has been learned about genetic damage and epigenetic alterations. On the basis of bibliometric analysis of the available literature found between 1966 and 2020, the present study investigated the evolution of author keywords; provided a summary of relevant studies focused on populations, animals/plants, or cells; and depicted the co-operation among countries or institutions and research group development. Additionally, multiomics technology and bioinformatics analysis can be a valuable tool for figuring out new biomarkers from different molecular levels like gene, RNA, protein, and metabolite and ascertaining the mechanism pathways of Cr(VI) genotoxicity and carcinogenesis.
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Affiliation(s)
- Yali Zhang
- Department of Occupational and Environmental Health Sciences, School of Public Health, Peking University, Beijing 100191, China
| | - Pai Zheng
- Department of Occupational and Environmental Health Sciences, School of Public Health, Peking University, Beijing 100191, China
| | - Zekang Su
- Department of Occupational and Environmental Health Sciences, School of Public Health, Peking University, Beijing 100191, China
| | - Guiping Hu
- School of Medical Science and Engineering, Beihang University, Beijing 100191, China.,Beijing Advanced Innovation Center for Big Data-Based Precision Medicine, Beihang University, Beijing 100191, China.,Beijing Advanced Innovation Centre for Biomedical Engineering, Beihang University, Beijing, 100191, China
| | - Guang Jia
- Department of Occupational and Environmental Health Sciences, School of Public Health, Peking University, Beijing 100191, China
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18
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Ligation-Mediated Polymerase Chain Reaction Detection of 8-Oxo-7,8-Dihydro-2'-Deoxyguanosine and 5-Hydroxycytosine at the Codon 176 of the p53 Gene of Hepatitis C-Associated Hepatocellular Carcinoma Patients. Int J Mol Sci 2020; 21:ijms21186753. [PMID: 32942546 PMCID: PMC7555735 DOI: 10.3390/ijms21186753] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2020] [Revised: 09/11/2020] [Accepted: 09/11/2020] [Indexed: 12/30/2022] Open
Abstract
Molecular mechanisms underlying Hepatitis C virus (HCV)-associated hepatocellular carcinoma (HCC) pathogenesis are still unclear. Therefore, we analyzed the levels of 8-oxo-7,8-dihydro-2′-deoxyguanosine (8-oxodG) and other oxidative lesions at codon 176 of the p53 gene, as well as the generation of 3-(2-deoxy-β-d-erythro-pentafuranosyl)pyrimido[1,2-α]purin-10(3H)-one deoxyguanosine (M1dG), in a cohort of HCV-related HCC patients from Italy. Detection of 8-oxodG and 5-hydroxycytosine (5-OHC) was performed by ligation mediated-polymerase chain reaction assay, whereas the levels of M1dG were measured by chromatography and mass-spectrometry. Results indicated a significant 130% excess of 8-oxodG at –TGC– position of p53 codon 176 in HCV-HCC cases as compared to controls, after correction for age and gender, whereas a not significant increment of 5-OHC at –TGC– position was found. Then, regression models showed an 87% significant excess of M1dG in HCV-HCC cases relative to controls. Our study provides evidence that increased adduct binding does not occur randomly on the sequence of the p53 gene but at specific sequence context in HCV-HCC patients. By-products of lipid peroxidation could also yield a role in HCV-HCC development. Results emphasize the importance of active oxygen species in inducing nucleotide lesions at a p53 mutational hotspot in HCV-HCC patients living in geographical areas without dietary exposure to aflatoxin B1.
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19
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Gökalp FD, Doğanlar O, Doğanlar ZB, Güner U. The genotoxic effects of mixture of aluminum, arsenic, cadmium, cobalt, and chromium on the gill tissue of adult zebrafish ( Danio rerio, Hamilton 1822). Drug Chem Toxicol 2020; 45:1158-1167. [PMID: 32847431 DOI: 10.1080/01480545.2020.1810260] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
The aim of this study is to investigate the genotoxic effects of mixtures of five metals on zebrafish at two different concentrations; at the permissible maximum contamination levels in drinking water and irrigation waters. The drinking water limits are as follows: 300 µg/L for Aluminum (Al+3), 10 µg/L for Arsenic (As+3), 5 µg/L for Cadmium (Cd+2), 10 µg/L for Cobalt (Co+2), and 50 µg/L for Chromium (Cr+2). The irrigation water limits: 5000 µg/L for Al+3, 100 µg/L for As+3, 10 µg/L for Cd+2, 50 µg/L for Co+2, and 100 µg/L for Cr+2. The zebrafish underwent chronic exposure for periods of 5, 10, and 20 days. The gene expressions for mitochondrial superoxide dismutase (SOD2), stress-specific receptor protein NCCRP1, the heat shock proteins: Hsp9, Hsp14, Hsp60, Hsp70, DNA repair (XRCC1 and EXO1), and apoptosis (BOK and BAX) were evaluated. It was found that exposure to the low- and high-concentrations of the heavy metal mixtures caused cell stress, an increased expression of the antioxidant genes, and repair proteins. As the duration of exposure was increased, the cells progressed through the apoptotic pathway. This was more evident in the high-concentration exposure groups. The results demonstrated the necessity for a reevaluation of the maximum values of heavy metal and toxic element concentrations as prescribed by the Local Standing Rules of Water Pollution Control Regulation, as well as a reevaluation of the limitations of heavy metal mixture interactions with respect to ecological balance and environmental health.HighlightsThe purpose of this study was to investigate the genotoxic effects of a mixture of Aluminum, Arsenic, Cadmium, Cobalt, Chromium on zebrafish, within drinking water, and irrigation water limits determining the concentration.The zebrafish were exposed to two different concentrations of each metal mixture for 5-, 10-, and 20-day periods. Following exposure, gene expressions of the zebrafish's gill tissues were examined.As a result of the exposure to the metal mixtures, the following occurred: cell stress, increased antioxidant gene activity, and attempts to protect cell viability. However, the cells progressed through the apoptotic pathway after prolonged exposure.The results demonstrated the necessity for a reevaluation of the maximum limits of metal and toxic element concentrations as stated in the Standing Rules of Water Pollution Control Regulation.
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Affiliation(s)
- Fulya Dilek Gökalp
- Science Faculty, Department of Biology, Trakya University, Edirne, Turkey
| | - Oğuzhan Doğanlar
- Medicine Faculty, Department of Medicine Biology, Trakya University, Edirne, Turkey
| | - Zeynep Banu Doğanlar
- Medicine Faculty, Department of Medicine Biology, Trakya University, Edirne, Turkey
| | - Utku Güner
- Science Faculty, Department of Biology, Trakya University, Edirne, Turkey
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20
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Pavesi T, Moreira JC. Mechanisms and individuality in chromium toxicity in humans. J Appl Toxicol 2020; 40:1183-1197. [DOI: 10.1002/jat.3965] [Citation(s) in RCA: 73] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2020] [Revised: 02/10/2020] [Accepted: 02/23/2020] [Indexed: 12/18/2022]
Affiliation(s)
- Thelma Pavesi
- Centro de Estudos da Saúde do Trabalhador e Ecologia HumanaEscola Nacional de Saúde Pública, Fundação Oswaldo Cruz Rio de Janeiro Brazil
| | - Josino Costa Moreira
- Centro de Estudos da Saúde do Trabalhador e Ecologia HumanaEscola Nacional de Saúde Pública, Fundação Oswaldo Cruz Rio de Janeiro Brazil
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21
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Polyaniline as an On−Off−On bright green fluorescent probe: Solvent directed synthesis, characterization and recognition of chromium through the inner filter effect. POLYMER 2020. [DOI: 10.1016/j.polymer.2020.122292] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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22
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Ferreira LMR, Cunha-Oliveira T, Sobral MC, Abreu PL, Alpoim MC, Urbano AM. Impact of Carcinogenic Chromium on the Cellular Response to Proteotoxic Stress. Int J Mol Sci 2019; 20:ijms20194901. [PMID: 31623305 PMCID: PMC6801751 DOI: 10.3390/ijms20194901] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2019] [Revised: 09/22/2019] [Accepted: 09/30/2019] [Indexed: 12/22/2022] Open
Abstract
Worldwide, several million workers are employed in the various chromium (Cr) industries. These workers may suffer from a variety of adverse health effects produced by dusts, mists and fumes containing Cr in the hexavalent oxidation state, Cr(VI). Of major importance, occupational exposure to Cr(VI) compounds has been firmly associated with the development of lung cancer. Counterintuitively, Cr(VI) is mostly unreactive towards most biomolecules, including nucleic acids. However, its intracellular reduction produces several species that react extensively with biomolecules. The diversity and chemical versatility of these species add great complexity to the study of the molecular mechanisms underlying Cr(VI) toxicity and carcinogenicity. As a consequence, these mechanisms are still poorly understood, in spite of intensive research efforts. Here, we discuss the impact of Cr(VI) on the stress response—an intricate cellular system against proteotoxic stress which is increasingly viewed as playing a critical role in carcinogenesis. This discussion is preceded by information regarding applications, chemical properties and adverse health effects of Cr(VI). A summary of our current understanding of cancer initiation, promotion and progression is also provided, followed by a brief description of the stress response and its links to cancer and by an overview of potential molecular mechanisms of Cr(VI) carcinogenicity.
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Affiliation(s)
- Leonardo M R Ferreira
- Department of Surgery and Diabetes Center and Sean N. Parker Autoimmune Research Laboratory, University of California, San Francisco, San Francisco, CA 94143, USA.
| | - Teresa Cunha-Oliveira
- CNC-Center for Neuroscience and Cell Biology, University of Coimbra, UC-Biotech, Biocant Park, 3060-197 Cantanhede, Portugal.
| | - Margarida C Sobral
- Department of Life Sciences, University of Coimbra, 3000-456 Coimbra, Portugal.
| | - Patrícia L Abreu
- Instituto de Medicina Molecular João Lobo Antunes, Faculty of Medicine, University of Lisbon, 1649-028 Lisbon, Portugal.
| | - Maria Carmen Alpoim
- Department of Life Sciences, Center of Investigation in Environment, Genetics and Oncobiology (CIMAGO) and CNC-Center for Neuroscience and Cell Biology, University of Coimbra, 3000-456 Coimbra, Portugal.
| | - Ana M Urbano
- Department of Life Sciences, Molecular Physical Chemistry Research Unit and Center of Investigation in Environment, Genetics and Oncobiology (CIMAGO), University of Coimbra, 3000-456 Coimbra, Portugal.
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Chen QY, Murphy A, Sun H, Costa M. Molecular and epigenetic mechanisms of Cr(VI)-induced carcinogenesis. Toxicol Appl Pharmacol 2019; 377:114636. [PMID: 31228494 DOI: 10.1016/j.taap.2019.114636] [Citation(s) in RCA: 90] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2019] [Revised: 06/17/2019] [Accepted: 06/18/2019] [Indexed: 12/11/2022]
Abstract
Chromium (Cr) is a naturally occurring metallic element found in the Earth's crust. While trivalent chromium ([Cr(III)] is considered non-carcinogenic, hexavalent chromium [Cr(VI)] has long been established as an IARC class I human carcinogen, known to induce cancers of the lung. Current literature suggests that Cr(VI) is capable of inducing carcinogenesis through both genetic and epigenetic mechanisms. Although much has been learned about the molecular etiology of Cr(VI)-induced lung carcinogenesis, more remains to be explored. In particular, the explicit epigenetic alterations induced by Cr(VI) in lung cancer including histone modifications and miRNAs, remain understudied. Through comprehensive review of available literature found between 1973 and 2019, this article provides a summary of updated understanding of the molecular mechanisms of Cr(VI)-carcinogenesis. In addition, this review identifies potential research gaps in the areas of histone modifications and miRNAs, which may prompt new niches for future research.
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Affiliation(s)
- Qiao Yi Chen
- Department of Environmental Medicine, New York University School of Medicine, 341 East 25 Street, New York, NY 10016, United States of America.
| | - Anthony Murphy
- Department of Environmental Medicine, New York University School of Medicine, 341 East 25 Street, New York, NY 10016, United States of America.
| | - Hong Sun
- Department of Environmental Medicine, New York University School of Medicine, 341 East 25 Street, New York, NY 10016, United States of America.
| | - Max Costa
- Department of Environmental Medicine, New York University School of Medicine, 341 East 25 Street, New York, NY 10016, United States of America.
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Roles of Bacillus subtilis RecA, Nucleotide Excision Repair, and Translesion Synthesis Polymerases in Counteracting Cr(VI)-Promoted DNA Damage. J Bacteriol 2019; 201:JB.00073-19. [PMID: 30745368 DOI: 10.1128/jb.00073-19] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2019] [Accepted: 01/29/2019] [Indexed: 11/20/2022] Open
Abstract
Bacteria deploy global programs of gene expression, including components of the SOS response, to counteract the cytotoxic and genotoxic effects of environmental DNA-damaging factors. Here we report that genetic damage promoted by hexavalent chromium elicited the SOS response in Bacillus subtilis, as evidenced by the induction of transcriptional uvrA-lacZ, recA-lacZ, and P recA-gfp fusions. Accordingly, B. subtilis strains deficient in homologous recombination (RecA) and nucleotide excision repair (NER) (UvrA), components of the SOS response, were significantly more sensitive to Cr(VI) treatment than were cells of the wild-type strain. These results strongly suggest that Cr(VI) induces the formation in growing B. subtilis cells of cytotoxic and genotoxic bulky DNA lesions that are processed by RecA and/or the NER pathways. In agreement with this notion, Cr(VI) significantly increased the formation of DNA-protein cross-links (DPCs) and induced mutagenesis in recA- and uvrA-deficient B. subtilis strains, through a pathway that required YqjH/YqjW-mediated translesion synthesis. We conclude that Cr(VI) promotes mutagenesis and cell death in B. subtilis by a mechanism that involves the formation of DPCs and that such deleterious effects are counteracted by both the NER and homologous recombination pathways, belonging to the RecA-dependent SOS system.IMPORTANCE It has been shown that, following permeation of cell barriers, Cr(VI) kills B. subtilis cells following a mechanism of reactive oxygen species-promoted DNA damage, which is counteracted by the guanine oxidized repair system. Here we report a distinct mechanism of Cr(VI)-promoted DNA damage that involves production of DPCs capable of eliciting the bacterial SOS response. We also report that the NER and homologous recombination (RecA) repair pathways, as well as low-fidelity DNA polymerases, counteract this metal-induced mechanism of killing in B. subtilis Hence, our results contribute to an understanding of how environmental pollutants activate global programs of gene expression that allow bacteria to contend with the cytotoxic and genotoxic effects of heavy metals.
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Decreased 8-oxoguanine DNA glycosylase 1 (hOGG1) expression and DNA oxidation damage induced by Cr (VI). Chem Biol Interact 2019; 299:44-51. [DOI: 10.1016/j.cbi.2018.11.019] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2018] [Revised: 10/27/2018] [Accepted: 11/25/2018] [Indexed: 12/23/2022]
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Guo X, Feng L, Lemos B, Lou J. DNA methylation modifications induced by hexavalent chromium. JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH. PART C, ENVIRONMENTAL CARCINOGENESIS & ECOTOXICOLOGY REVIEWS 2019; 37:133-145. [PMID: 31084241 PMCID: PMC8479272 DOI: 10.1080/10590501.2019.1592640] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/19/2023]
Abstract
Hexavalent chromium [Cr (VI)] contributes a significant health risk and causes a number of chronic diseases and cancers. While the genotoxic and carcinogenic effects of hexavalent chromium exposure are explicit and better-characterized, the exact mechanism underlying the carcinogenic process of Cr (VI) is still a matter of debate. In recent years, studies have shown that epigenetic modifications, especially DNA methylation, may play a significant role in Cr (VI)-induced carcinogenesis. The aim of this review is to summarize our understanding regarding the effects of Cr (VI) on global and gene-specific DNA methylation.
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Affiliation(s)
- Xinnian Guo
- Institute of Occupation Diseases, Zhejiang Academy of Medical Sciences, Hangzhou, 310013, Zhejiang, P.R.China
| | - Lingfang Feng
- Institute of Occupation Diseases, Zhejiang Academy of Medical Sciences, Hangzhou, 310013, Zhejiang, P.R.China
| | - Bernardo Lemos
- Program in Molecular and Integrative Physiological Sciences, Department of Environmental Health, Harvard T. H. Chan School of Public Health, Boston, MA, USA
| | - Jianlin Lou
- Institute of Occupation Diseases, Zhejiang Academy of Medical Sciences, Hangzhou, 310013, Zhejiang, P.R.China
- Corresponding author at: Institute of Occupation Diseases, Zhejiang Academy of Medical Sciences, 182 Tianmushan Road, Hangzhou, 310013, P.R.C. Telephone: +86-571-88215566. Fax: +86-571-88215576.
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Riccelli MG, Goldoni M, Andreoli R, Mozzoni P, Pinelli S, Alinovi R, Selis L, Mutti A, Corradi M. Biomarkers of exposure to stainless steel tungsten inert gas welding fumes and the effect of exposure on exhaled breath condensate. Toxicol Lett 2018; 292:108-114. [PMID: 29719222 DOI: 10.1016/j.toxlet.2018.04.032] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2017] [Revised: 04/09/2018] [Accepted: 04/25/2018] [Indexed: 11/16/2022]
Abstract
The respiratory tract is the main target organ of the inhaled hexavalent chromium (Cr-VI) and nickel (Ni) contained in stainless steel (SS) welding fumes (WFs). The aim of this study was to investigate the Cr and Ni content of the exhaled breath condensate (EBC) of SS tungsten inert gas (TIG) welders, and relate their concentrations with oxidative stress and inflammatory biomarkers. EBC and urine from 100 SS TIG welders were collected pre-(T0) and post-shift (T1) on a Friday, and pre-shift (T2) on the following Monday morning. Both EBC and urinary Cr concentrations were higher at T1 (0.08 μg/L and 0.71 μg/g creatinine) and T0 (0.06 μg/L and 0.74 μg/g creatinine) than at T2 (below the limit of detection [LOD] and 0.59 μg/g creatinine), and EBC Ni concentrations generally remained <LOD. EBC hydrogen peroxide (H2O2) concentration increased from 0.18 μM at T0 to 0.25 μM at T1, but had decreased to 0.16 μM by T2. EBC malondialdehyde (MDA) concentrations were higher at T0 (2.79 nM) and T1 (2.98 nM) than at T2 (2.43 nM), and EBC 4-hydroxy-nonenal (HNE) concentrations were higher at T0 (0.53 nM) than at T2 (0.51 nM). These findings confirm that, unlike Ni-EBC, Cr-EBC is a reliable biomarker of exposure even at very low environmental concentrations. However, given the weak relationship between the biomarkers and effects of exposure, we speculate that other substances generated during SS TIG welding also play a role in generating lung oxidative stress.
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Affiliation(s)
| | - Matteo Goldoni
- Department of Medicine and Surgery, University of Parma, Italy
| | | | - Paola Mozzoni
- Department of Medicine and Surgery, University of Parma, Italy
| | - Silvana Pinelli
- Department of Medicine and Surgery, University of Parma, Italy
| | | | - Luisella Selis
- Department of Medicine and Surgery, University of Parma, Italy
| | - Antonio Mutti
- Department of Medicine and Surgery, University of Parma, Italy
| | - Massimo Corradi
- Department of Medicine and Surgery, University of Parma, Italy.
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Weng MW, Lee HW, Choi B, Wang HT, Hu Y, Mehta M, Desai D, Amin S, Zheng Y, Tang MS. AFB1 hepatocarcinogenesis is via lipid peroxidation that inhibits DNA repair, sensitizes mutation susceptibility and induces aldehyde-DNA adducts at p53 mutational hotspot codon 249. Oncotarget 2017; 8:18213-18226. [PMID: 28212554 PMCID: PMC5392321 DOI: 10.18632/oncotarget.15313] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2016] [Accepted: 12/01/2016] [Indexed: 12/27/2022] Open
Abstract
Aflatoxin B1 (AFB1) contamination in the food chain is a major cause of hepatocellular carcinoma (HCC). More than 60% of AFB1 related HCC carry p53 codon 249 mutations but the causal mechanism remains unclear. We found that 1) AFB1 induces two types of DNA adducts in human hepatocytes, AFB1-8,9-epoxide-deoxyguanosine (AFB1-E-dG) induced by AFB1-E and cyclic α-methyl-γ-hydroxy-1,N2-propano-dG (meth-OH-PdG) induced by lipid peroxidation generated acetaldehyde (Acet) and crotonaldehyde (Cro); 2) the level of meth-OH-PdG is >30 fold higher than the level of AFB1-E-dG; 3) AFB1, Acet, and Cro, but not AFB1-E, preferentially induce DNA damage at codon 249; 4) methylation at -CpG- sites enhances meth-OH-PdG formation at codon 249; and 5) repair of meth-OH-PdG at codon 249 is poor. AFB1, Acet, and Cro can also inhibit DNA repair and enhance hepatocyte mutational sensitivity. We propose that AFB1-induced lipid peroxidation generated aldehydes contribute greatly to hepatocarcinogenesis and that sequence specificity of meth-OH-PdG formation and repair shape the codon 249 mutational hotspot.
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Affiliation(s)
- Mao-Wen Weng
- Departments of Environmental Medicine, Pathology and Medicine, New York University School of Medicine, Tuxedo, NY 10987, USA
| | - Hyun-Wook Lee
- Departments of Environmental Medicine, Pathology and Medicine, New York University School of Medicine, Tuxedo, NY 10987, USA
| | - Bongkun Choi
- Departments of Environmental Medicine, Pathology and Medicine, New York University School of Medicine, Tuxedo, NY 10987, USA
| | - Hsiang-Tsui Wang
- Departments of Environmental Medicine, Pathology and Medicine, New York University School of Medicine, Tuxedo, NY 10987, USA
| | - Yu Hu
- Departments of Environmental Medicine, Pathology and Medicine, New York University School of Medicine, Tuxedo, NY 10987, USA
| | - Manju Mehta
- Departments of Environmental Medicine, Pathology and Medicine, New York University School of Medicine, Tuxedo, NY 10987, USA
| | - Dhimant Desai
- Department of Pharmacology, Penn State University College of Medicine, Hershey, PA 17033, USA
| | - Shantu Amin
- Department of Pharmacology, Penn State University College of Medicine, Hershey, PA 17033, USA
| | - Yi Zheng
- Departments of Environmental Medicine, Pathology and Medicine, New York University School of Medicine, Tuxedo, NY 10987, USA
| | - Moon-Shong Tang
- Departments of Environmental Medicine, Pathology and Medicine, New York University School of Medicine, Tuxedo, NY 10987, USA
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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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Bruno M, Ross J, Ge Y. Proteomic responses of BEAS-2B cells to nontoxic and toxic chromium: Protein indicators of cytotoxicity conversion. Toxicol Lett 2016; 264:59-70. [PMID: 27592090 DOI: 10.1016/j.toxlet.2016.08.025] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2016] [Revised: 08/25/2016] [Accepted: 08/30/2016] [Indexed: 12/25/2022]
Abstract
Hexavalent chromium (Cr (VI)) is an environmental human carcinogen which primarily targets lungs. Among a variety of toxic mechanisms, disruption of biological pathways via translational and post-translational modifications represents a key mechanism through which Cr (VI) induces cytotoxicity and carcinogenesis. To identify those disruptions which are altered in response to cytotoxic Cr (VI) exposures, we measured and compared cytotoxicity and changes in expression and phosphorylation status of 15 critical biochemical pathway regulators in human BEAS-2B cells exposed for 48h to a non-toxic concentration (0.3μM) and a toxic concentration (1.8μM) of Cr (VI) by ELISA techniques. In addition, 43 functional proteins which may be altered in response to pathway signaling changes were identified using two dimensional electrophoresis (2-DE) and mass spectrometry. The proteins and fold changes observed in cells exposed to the non-toxic dose of Cr (VI) (0.3μM) were not necessarily the same as those found in the toxic one (1.8μM). A subset of signaling proteins that were correlated with the cytotoxic responses of human BEAS-2B cells to Cr (VI) treatments were identified. These proteins include regulators of glycolysis, glycogen synthase kinase 3 beta (GSK3β) and phosphoprotein 70 ribosomal protein s6 kinase (p70S6K), a signaling protein associated with oxidative stress and inflammation responses, JNK and metal regulatory transcription factor 1 (MTF-1), and a source of ubiquitin for signaling targeted protein degradation, polyubiquitin C (UBC). In addition, two dimensional gel electrophoresis (2-DE) was applied to identify key alterations in biochemical pathways differentiating between cytotoxic and non-cytotoxic exposures to Cr (VI), including glycolysis and gluconeogenesis, protein degradation, inflammation, and oxidative stress.
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Affiliation(s)
- Maribel Bruno
- Integrated Systems Toxicology Division, National Health and Environmental Effects Research Laboratory, U.S. Environmental Protection Agency, Research Triangle Park, NC 27711, USA
| | - Jeffrey Ross
- Integrated Systems Toxicology Division, National Health and Environmental Effects Research Laboratory, U.S. Environmental Protection Agency, Research Triangle Park, NC 27711, USA
| | - Yue Ge
- Integrated Systems Toxicology Division, National Health and Environmental Effects Research Laboratory, U.S. Environmental Protection Agency, Research Triangle Park, NC 27711, USA.
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Advances in Understanding How Heavy Metal Pollution Triggers Gastric Cancer. BIOMED RESEARCH INTERNATIONAL 2016; 2016:7825432. [PMID: 27803929 PMCID: PMC5075591 DOI: 10.1155/2016/7825432] [Citation(s) in RCA: 67] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/16/2016] [Revised: 09/14/2016] [Accepted: 09/19/2016] [Indexed: 12/19/2022]
Abstract
With the development of industrialization and urbanization, heavy metals contamination has become a major environmental problem. Numerous investigations have revealed an association between heavy metal exposure and the incidence and mortality of gastric cancer. The mechanisms of heavy metals (lead, cadmium, mercury, chromium, and arsenic) contamination leading to gastric cancer are concluded in this review. There are four main potential mechanisms: (1) Heavy metals disrupt the gastric mucosal barrier by decreasing mucosal thickness, mucus content, and basal acid output, thereby affecting the function of E-cadherin and inducing reactive oxygen species (ROS) damage. (2) Heavy metals directly or indirectly induce ROS generation and cause gastric mucosal and DNA lesions, which subsequently alter gene regulation, signal transduction, and cell growth, ultimately leading to carcinogenesis. Exposure to heavy metals also enhances gastric cancer cell invasion and metastasis. (3) Heavy metals inhibit DNA damage repair or cause inefficient lesion repair. (4) Heavy metals may induce other gene abnormalities. In addition, heavy metals can induce the expression of proinflammatory chemokine interleukin-8 (IL-8) and microRNAs, which promotes tumorigenesis. The present review is an effort to underline the human health problem caused by heavy metal with recent development in order to garner a broader perspective.
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Brancato B, Munnia A, Cellai F, Ceni E, Mello T, Bianchi S, Catarzi S, Risso GG, Galli A, Peluso MEM. 8-Oxo-7,8-dihydro-2'-deoxyguanosine and other lesions along the coding strand of the exon 5 of the tumour suppressor gene P53 in a breast cancer case-control study. DNA Res 2016; 23:395-402. [PMID: 27260513 PMCID: PMC4991831 DOI: 10.1093/dnares/dsw018] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2016] [Accepted: 04/14/2016] [Indexed: 01/13/2023] Open
Abstract
The next-generation sequencing studies of breast cancer have reported that the tumour suppressor P53 (TP53) gene is mutated in more than 40% of the tumours. We studied the levels of oxidative lesions, including 8-oxo-7,8-dihydro-2'-deoxyguanosine (8-oxodG), along the coding strand of the exon 5 in breast cancer patients as well as in a reactive oxygen species (ROS)-attacked breast cancer cell line using the ligation-mediated polymerase chain reaction technique. We detected a significant 'in vitro' generation of 8-oxodG between the codons 163 and 175, corresponding to a TP53 region with high mutation prevalence, after treatment with xanthine plus xanthine oxidase, a ROS-generating system. Then, we evaluated the occurrence of oxidative lesions in the DNA-binding domain of the TP53 in the core needle biopsies of 113 of women undergoing breast investigation for diagnostic purpose. An increment of oxidative damage at the -G- residues into the codons 163 and 175 was found in the cancer cases as compared to the controls. We found significant associations with the pathological stage and the histological grade of tumours. As the major news of this study, this largest analysis of genomic footprinting of oxidative lesions at the TP53 sequence level to date provided a first roadmap describing the signatures of oxidative lesions in human breast cancer. Our results provide evidence that the generation of oxidative lesions at single nucleotide resolution is not an event highly stochastic, but causes a characteristic pattern of DNA lesions at the site of mutations in the TP53, suggesting causal relationship between oxidative DNA adducts and breast cancer.
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Affiliation(s)
- Beniamino Brancato
- Senology Unit, ISPO-Cancer Prevention and Research Institute, 50139 - Florence, Italy
| | - Armelle Munnia
- Cancer Risk Factor Branch, Cancer Prevention Laboratory, ISPO-Cancer Prevention and Research Institute, 50139 Florence, Italy
| | - Filippo Cellai
- Cancer Risk Factor Branch, Cancer Prevention Laboratory, ISPO-Cancer Prevention and Research Institute, 50139 Florence, Italy
| | - Elisabetta Ceni
- Department of Experimental and Clinical Biomedical Sciences, University of Florence, 50139 - Florence, Italy
| | - Tommaso Mello
- Department of Experimental and Clinical Biomedical Sciences, University of Florence, 50139 - Florence, Italy
| | - Simonetta Bianchi
- Pathological Anatomy Unit, Department of Surgery and Translational Medicine, University of Florence - Careggi University Hospital, 50139 - Florence, Italy
| | - Sandra Catarzi
- Senology Unit, ISPO-Cancer Prevention and Research Institute, 50139 - Florence, Italy
| | - Gabriella G Risso
- Senology Unit, ISPO-Cancer Prevention and Research Institute, 50139 - Florence, Italy
| | - Andrea Galli
- Department of Experimental and Clinical Biomedical Sciences, University of Florence, 50139 - Florence, Italy
| | - Marco E M Peluso
- Cancer Risk Factor Branch, Cancer Prevention Laboratory, ISPO-Cancer Prevention and Research Institute, 50139 Florence, Italy
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Li Y, Hu G, Li P, Tang S, Zhang J, Jia G. miR-3940-5p enhances homologous recombination after DSB in Cr(VI) exposed 16HBE cell. Toxicology 2016; 344-346:1-6. [DOI: 10.1016/j.tox.2016.02.003] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2015] [Revised: 02/04/2016] [Accepted: 02/05/2016] [Indexed: 12/11/2022]
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Abstract
Chromium is ubiquitous in the environment as Cr(III) and Cr(VI) oxidation states, which interconvert under environmentally and biologically relevant conditions (although Cr(III) usually predominates). While Cr(VI) is an established human carcinogen and a major occupational and environmental hazard, Cr(III) has long been regarded as an essential human micronutrient, although recent literature has cast serious doubts on the validity of this postulate. Despite five decades of research, no functional Cr-containing enzymes or cofactors have been characterized conclusively, and several hypotheses on their possible structures have been refuted. Gastrointestinal absorption pathways for both Cr(III) and Cr(VI) are apparent and whole-blood speciation can involve Cr(VI) uptake and reduction by red blood cells, as well as Cr(III) binding to both proteins and low-molecular-mass ligands in the plasma. DNA-damaging effects of Cr(VI) and anti-diabetic activities of Cr(III) are likely to arise from common mechanistic pathways that involve reactive Cr(VI/V/IV) intermediates and kinetically inert Cr(III)-protein and Cr(III)-DNA adducts. Both Cr(III) and Cr(VI) are toxic to plants and microorganisms, particularly Cr(VI) due to its higher bioavailability and redox chemistry. Some bacteria reduce Cr(VI) to Cr(III) without the formation of toxic Cr(V) intermediates and these bacteria are being considered for use in the bioremediation of Cr(VI)-polluted environments.
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Affiliation(s)
- Peter A. Lay
- School of Chemistry, The University of Sydney Sydney NSW 2006 Australia
| | - Aviva Levina
- School of Chemistry, The University of Sydney Sydney NSW 2006 Australia
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Elhosary N, Maklad A, Soliman E, El-Ashmawy N, Oreby M. Evaluation of oxidative stress and DNA damage in cement and tannery workers in Egypt. Inhal Toxicol 2014; 26:289-98. [DOI: 10.3109/08958378.2014.885100] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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38
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Scientific Opinion on the risks to public health related to the presence of chromium in food and drinking water. EFSA J 2014. [DOI: 10.2903/j.efsa.2014.3595] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
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Judah L, Marin R, Stroup D, Wesdemiotis C, Bose RN. DNA damage by oxo- and peroxo-chromium(v) complexes: insight into the mutation and carcinogenesis mechanisms. Toxicol Res (Camb) 2014. [DOI: 10.1039/c3tx50061f] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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Vaidyanathan VG, Asthana Y, Nair BU. Importance of ligand structure in DNA/protein binding, mutagenicity, excision repair and nutritional aspects of chromium(iii) complexes. Dalton Trans 2013; 42:2337-46. [DOI: 10.1039/c2dt32124f] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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