1
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Lan CH, Ou LC, Liu HH, Peng CY. Investigation of metal concentration distribution and corresponding health exposure assessment of fabricated metal product manufacturers. Sci Rep 2024; 14:13662. [PMID: 38871786 DOI: 10.1038/s41598-024-64277-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2023] [Accepted: 06/06/2024] [Indexed: 06/15/2024] Open
Abstract
The fabricated metal product industries were identified as producers of variable and heterogeneous pollution. Workers in these manufacturing facilities are exposed to multiple pollutants present at variable concentrations. Specific known adverse health effects include bladder cancer associated with metalworking fluid exposure and lung cancer associated with electroplating processes. To reduce the incidence of these adverse effects, the main challenge is to identify the most hazardous pollutants within this complex exposure environment and evaluate the corresponding health potentials. In this study, exposure indices were formulated to assess multiple metal exposures with the ultimate goal of providing relevant information for exposure reduction and control measures. Fifteen plants, including metal mold manufacturing, metal casting, and surface treatment plants, were investigated in terms of total concentration, summation of corresponding ratio to threshold limit value (STLVr), hazard index (HI), and incremental cancer risk. The results revealed that emissions of aluminum, iron, and manganese were primarily found in the metal mold manufacturing/casting plants, while emissions of chromium, nickel, and zinc were found in surface treatment plants. STLVr and HI were more useful than the total concentration for identifying hazardous metals, which were chromium and nickel, and could specify the facilities that were in need of control measures. As for cancer risk, the metal mold manufacturing/casting plants had lower risk than the surface treatment plants, and the contributing metals for these two plant types were cobalt and chromium, respectively. This study established a useful procedure to evaluate health hazards and cancer risk. The resulting information is useful for prioritizing mitigation control of multiple metal exposures.
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Affiliation(s)
- Cheng-Hang Lan
- Department of Occupational Safety and Health, Chung-Hwa University of Medical Technology, Tainan, 71703, Taiwan
| | - Lun-Chun Ou
- Department of Public Health, College of Health Sciences, Kaohsiung Medical University, 100 Shih-Chuan 1st Rd, Kaohsiung, 80708, Taiwan
| | - Hung-Hsin Liu
- Department of Occupational Safety and Health, Chung Shan Medical University and Chung Shan Medical University Hospital, Taichung, 40201, Taiwan
| | - Chiung-Yu Peng
- Department of Public Health, College of Health Sciences, Kaohsiung Medical University, 100 Shih-Chuan 1st Rd, Kaohsiung, 80708, Taiwan.
- Research Center for Precision Environmental Medicine, Kaohsiung Medical University, 100 Shih-Chuan 1st Rd, Kaohsiung, Taiwan.
- Department of Community Medicine, Kaohsiung Medical University Hospital, 100, Tzyou 1st Road, Kaohsiung, Taiwan.
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2
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Naz M, Ahmed M, Aftab F, Ali MA, Sanaullah M, Ahmad W, Alshammari AH, Khalid K, Wani TA, Zargar S. Contamination of trace, non-essential/heavy metals in nutraceuticals/dietary supplements: A chemometric modelling approach and evaluation of human health risk upon dietary exposure. Food Chem Toxicol 2024; 190:114806. [PMID: 38852757 DOI: 10.1016/j.fct.2024.114806] [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: 04/30/2024] [Revised: 05/27/2024] [Accepted: 06/06/2024] [Indexed: 06/11/2024]
Abstract
Across the world, nutraceuticals/dietary supplements are commonly consumed without medical supervision, and believing these products are harmless to health. However, these products may contain trace (TMs) and non-essential/heavy metals (nHMs) as contaminants at levels higher than the recommended daily allowance (RDA), which can be hazardous to human health. Consequently, it is crucial to assess the levels of these metals to ensure the safety of these products. This study aimed to analyze the concentration of TMs (Mn, Cu and Zn) and nHMs (Al, Cr, Ni, Cd and Pb) in nutraceuticals/dietary supplements. Metal analysis was conducted using inductively coupled plasma-optical emission spectrometry (ICP-OES). Multivariate and bivariate analysis including principle component analysis (PCA), hierarchical cluster analysis (HCA) and Pearson correlation coefficient (PCC) were applied to understand inter-metal association and sources of these metals. Concentration ranges for TMs were found as, Mn (0.2-4.3 mg/kg), Cu (0.11-2.54 mg/kg), and Zn (0.1-22.66 mg/kg) while the nHMs concentration ranges were: Al (0.046-3.336 mg/kg), Cr (0.11-1.63 mg/kg), Ni (0.18-0.72 mg/kg), Cd (0.04-0.92 mg/kg), and Pb (0.18-1.08 mg/kg). The levels of tolerable dietary intake (TDI) for Cr and Ni, and the provisional tolerable monthly intake (PTMI) limit for Cd, exceeded the values set by the World Health Organization (WHO) and the European Food Safety Authority (EFSA). The estimation of the target hazard quotient (THQ <1), hazard index (HI < 1) and cumulative cancer risk (CCR <1 ✕ 10-3) indicated no significant non-carcinogenic and carcinogenic health risks associated with consuming these products. Therefore, the primary recommendation from this study is to use the nutraceuticals/dietary supplements should be under the supervision of dietitian.
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Affiliation(s)
- Misbah Naz
- Department of Chemistry, Division of Science and Technology, University of Education, College Road, Lahore, Pakistan
| | - Mahmood Ahmed
- Department of Chemistry, Division of Science and Technology, University of Education, College Road, Lahore, Pakistan.
| | - Fatima Aftab
- Department of Chemistry, Division of Science and Technology, University of Education, College Road, Lahore, Pakistan
| | - Maryam Ahmad Ali
- Department of Chemistry, Division of Science and Technology, University of Education, College Road, Lahore, Pakistan
| | - Mudassar Sanaullah
- Department of Chemistry, Division of Science and Technology, University of Education, College Road, Lahore, Pakistan
| | - Waqar Ahmad
- Department of Chemistry, University of Gujrat, Gujrat, Pakistan
| | - Atekah Hazzaa Alshammari
- Department of Biochemistry, College of Science, King Saud University, P.O. Box 222452, Riyadh, 11451, Saudi Arabia
| | - Khuram Khalid
- Faculty of Applied Science and Technology, Sheridan College, 7899 McLaughlin Road Brampton, Ontario, L6Y 5H9, Canada
| | - Tanveer A Wani
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, P.O. Box 2457, Riyadh, 11451, Saudi Arabia
| | - Seema Zargar
- Department of Biochemistry, College of Science, King Saud University, P.O. Box 222452, Riyadh, 11451, Saudi Arabia
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3
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Li M, Muhammad JS, Zhao QL, Zakki SA, Hiraku Y, Hatta H, Tong X, Cui ZG, Wu C. Protective effects of baicalin against phenylarsine oxide-induced cytotoxicity in human skin keratinocytes. Bioorg Chem 2024; 150:107535. [PMID: 38865859 DOI: 10.1016/j.bioorg.2024.107535] [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: 09/26/2023] [Revised: 06/02/2024] [Accepted: 06/03/2024] [Indexed: 06/14/2024]
Abstract
Phenylarsine oxide (PAO) is a known environmental pollutant and skin keratinocytes are most seriously affected. Baicalin (BCN) was reported to have antioxidant and anti-inflammatory effects, but its protective effect against PAO toxicity is unknown. This study aimed at exploring whether baicalin can reverse the toxicity of human epidermal keratinocytes that are subjected to PAO exposure and underlying mechanisms. In silico analysis from a publicly accessible HaCaT cell transcriptome dataset exposed to chronic Arsenic showed significant differential expression of several genes, including the genes related to DNA replication. Later, we performed in vitro experiments, in which HaCaT cells were exposed to PAO (500 nM) in the existence of BCN (10-50 µM). Treatment of PAO alone induces the JNK, p38 and caspase-3 activation, which were engaged in the apoptosis induction, while the activity of AKT was significantly inhibited, which was engaged in the suppression of apoptosis. PAO suppressed SIRT3 expression and induced intracellular reactive oxygen species (ROS), causing a marked reduce in cell viability and apoptosis. However, BCN treatment restored the PAO-induced suppression of SIRT3 and AKT expression, reduced intracellular ROS generation, and markedly suppressed both caspase-3 activation and apoptosis induction. However, the protective effect of BCN was significantly attenuated after pretreatment with nicotinamide, an inhibitor of SIRT3. These findings indicate that BCN protects against cell death induced by PAO via inhibiting excessive intracellular ROS generation via restoring SIRT3 activity and reactivating downstream AKT pathway. In this study, we firstly shown that BCN is an efficient drug to prevent PAO-induced skin cytotoxicity, and these findings need to be confirmed by in vivo and clinical investigations.
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Affiliation(s)
- Mengling Li
- School of Medicine, Xizang Minzu University, No. 6 Wenhui East Road, Weicheng District, Xianyang, Shaanxi, 712082, China; Department of Environmental Health, University of Fukui School of Medical Sciences, University of Fukui, Fukui 910-1193, Japan
| | - Jibran Sualeh Muhammad
- Institute of Clinical Sciences, College of Medical and Dental Sciences, University of Birmingham, Birmingham B15 2TT, United Kingdom
| | - Qing-Li Zhao
- Department of Radiology, Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama, 910-0194, Japan
| | - Shahbaz Ahmad Zakki
- Department of Public Health & Nutrition, The University of Haripur, Haripur, Khyber Pakhtunkhwa, Pakistan
| | - Yusuke Hiraku
- Department of Environmental Health, University of Fukui School of Medical Sciences, University of Fukui, Fukui 910-1193, Japan
| | - Hideki Hatta
- Department of Diagnostic Pathology, Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama, 2630 Sugitani, Toyama 930-0194, Japan
| | - Xiaopeng Tong
- School of Medicine, Xizang Minzu University, No. 6 Wenhui East Road, Weicheng District, Xianyang, Shaanxi, 712082, China
| | - Zheng-Guo Cui
- Department of Environmental Health, University of Fukui School of Medical Sciences, University of Fukui, Fukui 910-1193, Japan.
| | - Chengai Wu
- National Center for Orthopaedics, Department of Molecular Orthopaedics, Beijing Research Institute of Traumatology and Orthopaedics, Beijing Jishuitan Hospital, Capital Medical University, Beijing, 100035, China.
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4
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Wang PS, Liu Z, Sweef O, Saeed AF, Kluz T, Costa M, Shroyer KR, Kondo K, Wang Z, Yang C. Hexavalent chromium exposure activates the non-canonical nuclear factor kappa B pathway to promote immune checkpoint protein programmed death-ligand 1 expression and lung carcinogenesis. Cancer Lett 2024; 589:216827. [PMID: 38527692 DOI: 10.1016/j.canlet.2024.216827] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2023] [Revised: 03/07/2024] [Accepted: 03/20/2024] [Indexed: 03/27/2024]
Abstract
Lung cancer is the leading cause of cancer-related death worldwide; however, the mechanism of lung carcinogenesis has not been clearly defined. Chronic exposure to hexavalent chromium [Cr(VI)], a common environmental and occupational pollutant, causes lung cancer, representing an important lung cancer etiology factor. The mechanism of how chronic Cr(VI) exposure causes lung cancer remains largely unknown. By using cell culture and mouse models and bioinformatics analyses of human lung cancer gene expression profiles, this study investigated the mechanism of Cr(VI)-induced lung carcinogenesis. A new mouse model of Cr(VI)-induced lung carcinogenesis was developed as evidenced by the findings showing that a 16-week Cr(VI) exposure (CaCrO4, 100 μg per mouse once per week) via oropharyngeal aspiration induced lung adenocarcinomas in male and female A/J mice, whereas none of the sham-exposed control mice had lung tumors. Mechanistic studies revealed that chronic Cr(VI) exposure activated the non-canonical NFκB pathway through the long non-coding RNA (lncRNA) ABHD11-AS1/deubiquitinase USP15-mediated tumor necrosis factor receptor-associated factor 3 (TRAF3) down-regulation. The non-canonical NFκB pathway activation increased the interleukin 6 (IL-6)/Janus kinase (Jak)/signal transducer and activator of transcription 3 (Stat3) signaling. The activation of the IL-6/Jak signaling axis by Cr(VI) exposure not only promoted inflammation but also stabilized the immune checkpoint molecule programmed death-ligand 1 (PD-L1) protein in the lungs, reducing T lymphocyte infiltration to the lungs. Given the well-recognized critical role of PD-L1 in inhibiting anti-tumor immunity, these findings suggested that the lncRNA ABHD11-AS1-mediated non-canonical NFκB pathway activation and PD-L1 up-regulation may play important roles in Cr(VI)-induced lung carcinogenesis.
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Affiliation(s)
- Po-Shun Wang
- Stony Brook Cancer Center, Stony Brook University, Stony Brook, NY, USA
| | - Zulong Liu
- Stony Brook Cancer Center, Stony Brook University, Stony Brook, NY, USA
| | - Osama Sweef
- Division of Cancer Biology, Department of Medicine, MetroHealth Medical Center, Case Western Reserve University School of Medicine, Cleveland, OH, USA
| | - Abdullah Farhan Saeed
- Division of Cancer Biology, Department of Medicine, MetroHealth Medical Center, Case Western Reserve University School of Medicine, Cleveland, OH, USA
| | - Thomas Kluz
- Department of Environment Medicine, New York University School of Medicine, New York, NY, USA
| | - Max Costa
- Department of Environment Medicine, New York University School of Medicine, New York, NY, USA
| | - Kenneth R Shroyer
- Stony Brook Cancer Center, Stony Brook University, Stony Brook, NY, USA; Department of Pathology, Renaissance School of Medicine, Stony Brook University, Stony Brook, NY, USA
| | - Kazuya Kondo
- Department of Oncological Medical Services, Graduate School of Biomedical Sciences, Tokushima University Graduate School, Tokushima City, 770-8509, Japan
| | - Zhishan Wang
- Stony Brook Cancer Center, Stony Brook University, Stony Brook, NY, USA; Department of Pathology, Renaissance School of Medicine, Stony Brook University, Stony Brook, NY, USA
| | - Chengfeng Yang
- Stony Brook Cancer Center, Stony Brook University, Stony Brook, NY, USA; Department of Pathology, Renaissance School of Medicine, Stony Brook University, Stony Brook, NY, USA.
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5
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Lu H, Toyoda JH, Wise SS, Browning CL, Speer RM, Croom-Pérez TJ, Bolt A, Meaza I, Wise JP. A whale of a tale: whale cells evade the driving mechanism for hexavalent chromium-induced chromosome instability. Toxicol Sci 2024; 199:49-62. [PMID: 38539048 PMCID: PMC11057468 DOI: 10.1093/toxsci/kfae030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/26/2024] Open
Abstract
Chromosome instability, a hallmark of lung cancer, is a driving mechanism for hexavalent chromium [Cr(VI)] carcinogenesis in humans. Cr(VI) induces structural and numerical chromosome instability in human lung cells by inducing DNA double-strand breaks and inhibiting homologous recombination repair and causing spindle assembly checkpoint (SAC) bypass and centrosome amplification. Great whales are long-lived species with long-term exposures to Cr(VI) and accumulate Cr in their tissue, but exhibit a low incidence of cancer. Data show Cr(VI) induces fewer chromosome aberrations in whale cells after acute Cr(VI) exposure suggesting whale cells can evade Cr(VI)-induced chromosome instability. However, it is unknown if whales can evade Cr(VI)-induced chromosome instability. Thus, we tested the hypothesis that whale cells resist Cr(VI)-induced loss of homologous recombination repair activity and increased SAC bypass and centrosome amplification. We found Cr(VI) induces similar amounts of DNA double-strand breaks after acute (24 h) and prolonged (120 h) exposures in whale lung cells, but does not inhibit homologous recombination repair, SAC bypass, or centrosome amplification, and does not induce chromosome instability. These data indicate whale lung cells resist Cr(VI)-induced chromosome instability, the major driver for Cr(VI) carcinogenesis at a cellular level, consistent with observations that whales are resistant to cancer.
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Affiliation(s)
- Haiyan Lu
- Wise Laboratory of Environmental and Genetic Toxicology, Department of Pharmacology and Toxicology, University of Louisville, Louisville, Kentucky 40292, USA
| | - Jennifer H Toyoda
- Wise Laboratory of Environmental and Genetic Toxicology, Department of Pharmacology and Toxicology, University of Louisville, Louisville, Kentucky 40292, USA
| | - Sandra S Wise
- Wise Laboratory of Environmental and Genetic Toxicology, Department of Pharmacology and Toxicology, University of Louisville, Louisville, Kentucky 40292, USA
| | - Cynthia L Browning
- Wise Laboratory of Environmental and Genetic Toxicology, Department of Pharmacology and Toxicology, University of Louisville, Louisville, Kentucky 40292, USA
| | - Rachel M Speer
- Wise Laboratory of Environmental and Genetic Toxicology, Department of Pharmacology and Toxicology, University of Louisville, Louisville, Kentucky 40292, USA
| | - Tayler J Croom-Pérez
- Wise Laboratory of Environmental and Genetic Toxicology, Department of Pharmacology and Toxicology, University of Louisville, Louisville, Kentucky 40292, USA
| | - Alicia Bolt
- Department of Pharmaceutical Sciences, College of Pharmacy, The University of New Mexico, Albuquerque, New Mexico 87131, USA
| | - Idoia Meaza
- Wise Laboratory of Environmental and Genetic Toxicology, Department of Pharmacology and Toxicology, University of Louisville, Louisville, Kentucky 40292, USA
| | - John Pierce Wise
- Wise Laboratory of Environmental and Genetic Toxicology, Department of Pharmacology and Toxicology, University of Louisville, Louisville, Kentucky 40292, USA
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6
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Rea M, Kimmerer G, Mittendorf S, Xiong X, Green M, Chandler D, Saintilnord W, Blackburn J, Gao T, Fondufe-Mittendorf YN. A dynamic model of inorganic arsenic-induced carcinogenesis reveals an epigenetic mechanism for epithelial-mesenchymal plasticity. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 347:123586. [PMID: 38467368 PMCID: PMC11005477 DOI: 10.1016/j.envpol.2024.123586] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Revised: 02/12/2024] [Accepted: 02/14/2024] [Indexed: 03/13/2024]
Abstract
Inorganic arsenic (iAs) causes cancer by initiating dynamic transitions between epithelial and mesenchymal cell phenotypes. These transitions transform normal cells into cancerous cells, and cancerous cells into metastatic cells. Most in vitro models assume that transitions between states are binary and complete, and do not consider the possibility that intermediate, stable cellular states might exist. In this paper, we describe a new, two-hit in vitro model of iAs-induced carcinogenesis that extends to 28 weeks of iAs exposure. Through week 17, the model faithfully recapitulates known and expected phenotypic, genetic, and epigenetic characteristics of iAs-induced carcinogenesis. By 28 weeks, however, exposed cells exhibit stable, intermediate phenotypes and epigenetic properties, and key transcription factor promoters (SNAI1, ZEB1) enter an epigenetically poised or bivalent state. These data suggest that key epigenetic transitions and cellular states exist during iAs-induced epithelial-to-mesenchymal transition (EMT), and that it is important for our in vitro models to encapsulate all aspects of EMT and the mesenchymal-to-epithelial transition (MET). In so doing, and by understanding the epigenetic systems controlling these transitions, we might find new, unexpected opportunities for developing targeted, cell state-specific therapeutics.
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Affiliation(s)
- Matthew Rea
- Department of Epigenetics, Van Andel Institute, Grand Rapids, MI, 49502, USA
| | - Greg Kimmerer
- Department of Biology, University of Kentucky, Lexington, KY, 40506, USA
| | - Shania Mittendorf
- Department of Biology, University of Kentucky, Lexington, KY, 40506, USA
| | - Xiaopeng Xiong
- Department of Molecular and Cellular Biochemistry, University of Kentucky, Lexington, KY, 40536, USA; Markey Cancer Center, University of Kentucky, Lexington, KY, 40536, USA
| | - Meghan Green
- Department of Molecular and Cellular Biochemistry, University of Kentucky, Lexington, KY, 40536, USA; Markey Cancer Center, University of Kentucky, Lexington, KY, 40536, USA
| | - Darrell Chandler
- Department of Epigenetics, Van Andel Institute, Grand Rapids, MI, 49502, USA
| | - Wesley Saintilnord
- Department of Epigenetics, Van Andel Institute, Grand Rapids, MI, 49502, USA; Department of Molecular and Cellular Biochemistry, University of Kentucky, Lexington, KY, 40536, USA
| | - Jessica Blackburn
- Department of Molecular and Cellular Biochemistry, University of Kentucky, Lexington, KY, 40536, USA; Markey Cancer Center, University of Kentucky, Lexington, KY, 40536, USA
| | - Tianyan Gao
- Department of Molecular and Cellular Biochemistry, University of Kentucky, Lexington, KY, 40536, USA; Markey Cancer Center, University of Kentucky, Lexington, KY, 40536, USA
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7
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Navin AK, Aruldhas MM, Mani KK, Navaneethabalakrishnan S, Venkatachalam S, Banu SK. Unraveling Hypothalamus-Pituitary dysregulation: Hypergonadotropism in F 1 progeny due to prenatal exposure to hexavalent chromium. J Biochem Mol Toxicol 2024; 38:e23699. [PMID: 38532648 DOI: 10.1002/jbt.23699] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2023] [Revised: 02/18/2024] [Accepted: 03/12/2024] [Indexed: 03/28/2024]
Abstract
The endocrine disruptor hexavalent chromium [Cr(VI)] is a proven reproductive toxicant. We recently demonstrated that prenatal Cr(VI) exposure causes testicular resistance to gonadotropins, resulting in hypergonadotropic hypoandrogenism in F1 rats. However, the mechanism driving hypergonadotropism in F1 rats exposed to Cr(VI) prenatally remains an enigma. Therefore, we hypothesized that 'Prenatal Cr(VI) exposure may disrupt steroid hormones-mediated negative feedback regulation of the hypothalamic GnRH, and its receptor in the pituitary of F1 rats, leading to hypergonadotropism.' We administered potassium dichromate (50, 100, or 200 mg/L) to pregnant rats through drinking water between days 9 and 14, and their male F1 offspring were euthanized at 60 days of age. Prenatal Cr(VI) exposure in F1 rats resulted in the accumulation of Cr in the hypothalamus and pituitary. Western blot detected decreased hypothalamic GnRH, Kisspeptin1, and its receptor GPR54, along with diminished ERα, AR, aromatase, and 5α reductase, and GnRH regulatory transcription factors Pit-1 and GATA-4 proteins. Immunohistochemical studies revealed increased immunopositivity of GnRH receptor, AR, 5α reductase, ERα, ERβ, and aromatase proteins in the pituitary, whereas decreased Kisspeptin1, GPR54, and inhibin β. Our findings imply that Cr(VI) exposure during the prenatal period disrupts the hypothalamic Kisspeptin-GPR54-Pit-1/GATA4-GnRH network, boosting the pituitary GnRH receptor. We conclude that prenatal exposure to Cr(VI) alters GnRH expression in the hypothalamus and its receptor in the pituitary of F1 progeny through interfering with the negative feedback effect of androgens and estrogens.
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Affiliation(s)
- Ajit Kumar Navin
- Department of Endocrinology, Dr. A.L.M. Post Graduate Institute of Basic Medical Sciences, University of Madras, Taramani Campus, Taramani-Velachery Link Road, Chennai, Tamil Nadu, India
| | - Mariajoseph Michael Aruldhas
- Department of Endocrinology, Dr. A.L.M. Post Graduate Institute of Basic Medical Sciences, University of Madras, Taramani Campus, Taramani-Velachery Link Road, Chennai, Tamil Nadu, India
| | - Kathiresh Kumar Mani
- Department of Endocrinology, Dr. A.L.M. Post Graduate Institute of Basic Medical Sciences, University of Madras, Taramani Campus, Taramani-Velachery Link Road, Chennai, Tamil Nadu, India
| | - Shobana Navaneethabalakrishnan
- Department of Endocrinology, Dr. A.L.M. Post Graduate Institute of Basic Medical Sciences, University of Madras, Taramani Campus, Taramani-Velachery Link Road, Chennai, Tamil Nadu, India
| | - Sankar Venkatachalam
- Department of Anatomy, Dr. A.L.M. Post Graduate Institute of Basic Medical Sciences, University of Madras, Taramani Campus, Taramani-Velachery Link Road, Chennai, Tamil Nadu, India
| | - Sakhila K Banu
- Department of Veterinary Integrative Biosciences, College of Veterinary Medicine & Biomedical Sciences, TAMU-4458, Texas A&M University, College Station, TX, USA
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8
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Afzal A, Mahreen N. Emerging insights into the impacts of heavy metals exposure on health, reproductive and productive performance of livestock. Front Pharmacol 2024; 15:1375137. [PMID: 38567355 PMCID: PMC10985271 DOI: 10.3389/fphar.2024.1375137] [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: 01/23/2024] [Accepted: 03/04/2024] [Indexed: 04/04/2024] Open
Abstract
Heavy metals, common environmental pollutants with widespread distribution hazards and several health problems linked to them are distinguished from other toxic compounds by their bioaccumulation in living organisms. They pollute the food chain and threaten the health of animals. Biologically, heavy metals exhibit both beneficial and harmful effects. Certain essential heavy metals such as Co, Mn, Se, Zn, and Mg play crucial roles in vital physiological processes in trace amounts, while others like As, Pb, Hg, Cd, and Cu are widely recognized for their toxic properties. Regardless of their physiological functions, an excess intake of all heavy metals beyond the tolerance limit can lead to toxicity. Animals face exposure to heavy metals through contaminated feed and water, primarily as a result of anthropogenic environmental pollution. After ingestion heavy metals persist in the body for an extended duration and the nature of exposure dictates whether they induce acute or chronic, clinical or subclinical, or subtle toxicities. The toxic effects of metals lead to disruption of cellular homeostasis through the generation of free radicals that develop oxidative stress. In cases of acute heavy metal poisoning, characteristic clinical symptoms may arise, potentially culminating in the death of animals with corresponding necropsy findings. Chronic toxicities manifest as a decline in overall body condition scoring and a decrease in the production potential of animals. Elevated heavy metal levels in consumable animal products raise public health concerns. Timely diagnosis, targeted antidotes, and management strategies can significantly mitigate heavy metal impact on livestock health, productivity, and reproductive performance.
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Affiliation(s)
- Ali Afzal
- Animal Sciences Division, Nuclear Institute for Agriculture and Biology College (NIAB-C), Pakistan Institute of Engineering and Applied Sciences (PIEAS), Faisalabad, Pakistan
- School of Zoology, Minhaj University Lahore, Lahore, Pakistan
| | - Naima Mahreen
- National Institute for Biotechnology and Genetics Engineering College (NIBGE-C), Pakistan Institute of Engineering and Applied Sciences (PIEAS), Faisalabad, Pakistan
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9
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Yang J, Gong X, Li T, Xia Z, He R, Song X, Wang X, Wu J, Chen J, Wang F, Xiong R, Lin Y, Chen G, Yang L, Cai K. Tantalum Particles Promote M2 Macrophage Polarization and Regulate Local Bone Metabolism via Macrophage-Derived Exosomes Influencing the Fates of BMSCs. Adv Healthc Mater 2024:e2303814. [PMID: 38497832 DOI: 10.1002/adhm.202303814] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2023] [Revised: 03/07/2024] [Indexed: 03/19/2024]
Abstract
In this study, the regulatory role and mechanisms of tantalum (Ta) particles in the bone tissue microenvironment are explored. Ta particle deposition occurs in both clinical samples and animal tissues following porous Ta implantation. Unlike titanium (Ti) particles promoting M1 macrophage (Mϕ) polarization, Ta particles regulating calcium signaling pathways and promoting M2 Mϕ polarization. Ta-induced M2 Mϕ enhances bone marrow-derived mesenchymal stem cells (BMSCs) proliferation, migration, and osteogenic differentiation through exosomes (Exo) by upregulating miR-378a-3p/miR-221-5p and downregulating miR-155-5p/miR-212-5p. Ta particles suppress the pro-inflammatory and bone resorption effects of Ti particles in vivo and in vitro. In a rat femoral condyle bone defect model, artificial bone loaded with Ta particles promotes endogenous Mϕ polarization toward M2 differentiation at the defect site, accelerating bone repair. In conclusion, Ta particles modulate Mϕ polarization toward M2 and influence BMSCs osteogenic capacity through Exo secreted by M2 Mϕ, providing insights for potential bone repair applications.
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Affiliation(s)
- Junjun Yang
- Key Laboratory of Biorheological Science and Technology, Ministry of Education College of Bioengineering, Chongqing University, Chongqing, 400044, China
| | - Xiaoyuan Gong
- Center for Joint Surgery, Southwest Hospital, Army Medical University (Third Military Medical University), Chongqing, 400038, China
| | - Tao Li
- Center for Joint Surgery, Southwest Hospital, Army Medical University (Third Military Medical University), Chongqing, 400038, China
| | - Zengzilu Xia
- Key Laboratory of Biorheological Science and Technology, Ministry of Education College of Bioengineering, Chongqing University, Chongqing, 400044, China
| | - Rui He
- Center for Joint Surgery, Southwest Hospital, Army Medical University (Third Military Medical University), Chongqing, 400038, China
| | - Xiongbo Song
- Center for Joint Surgery, Southwest Hospital, Army Medical University (Third Military Medical University), Chongqing, 400038, China
| | - Xin Wang
- Center for Joint Surgery, Southwest Hospital, Army Medical University (Third Military Medical University), Chongqing, 400038, China
| | - Jiangyi Wu
- Department of Sports Medicine and Rehabilitation, Peking University Shenzhen Hospital, Shenzhen, 518036, China
| | - Jiajia Chen
- Center of Biomedical Analysis, Army Medical University (Third Military Medical University), Chongqing, 400038, China
| | - Fangzheng Wang
- Key Laboratory of Biorheological Science and Technology, Ministry of Education College of Bioengineering, Chongqing University, Chongqing, 400044, China
| | - Ran Xiong
- Center for Joint Surgery, Southwest Hospital, Army Medical University (Third Military Medical University), Chongqing, 400038, China
| | - Yangjing Lin
- Center for Joint Surgery, Southwest Hospital, Army Medical University (Third Military Medical University), Chongqing, 400038, China
| | - Guangxing Chen
- Center for Joint Surgery, Southwest Hospital, Army Medical University (Third Military Medical University), Chongqing, 400038, China
| | - Liu Yang
- Center for Joint Surgery, Southwest Hospital, Army Medical University (Third Military Medical University), Chongqing, 400038, China
| | - Kaiyong Cai
- Key Laboratory of Biorheological Science and Technology, Ministry of Education College of Bioengineering, Chongqing University, Chongqing, 400044, China
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10
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Essalmi S, Lotfi S, BaQais A, Saadi M, Arab M, Ait Ahsaine H. Design and application of metal organic frameworks for heavy metals adsorption in water: a review. RSC Adv 2024; 14:9365-9390. [PMID: 38510487 PMCID: PMC10951820 DOI: 10.1039/d3ra08815d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2023] [Accepted: 03/07/2024] [Indexed: 03/22/2024] Open
Abstract
The growing apprehension surrounding heavy metal pollution in both environmental and industrial contexts has spurred extensive research into adsorption materials aimed at efficient remediation. Among these materials, Metal-Organic Frameworks (MOFs) have risen as versatile and promising contenders due to their adjustable properties, expansive surface areas, and sustainable characteristics, compared to traditional options like activated carbon and zeolites. This exhaustive review delves into the synthesis techniques, structural diversity, and adsorption capabilities of MOFs for the effective removal of heavy metals. The article explores the evolution of MOF design and fabrication methods, highlighting pivotal parameters influencing their adsorption performance, such as pore size, surface area, and the presence of functional groups. In this perspective review, a thorough analysis of various MOFs is presented, emphasizing the crucial role of ligands and metal nodes in adapting MOF properties for heavy metal removal. Moreover, the review delves into recent advancements in MOF-based composites and hybrid materials, shedding light on their heightened adsorption capacities, recyclability, and potential for regeneration. Challenges for optimization, regeneration efficiency and minimizing costs for large-scale applications are discussed.
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Affiliation(s)
- S Essalmi
- Laboratoire de Chimie Appliquée des Matériaux, Centre des Sciences des Matériaux, Faculty of Sciences, MohammedV University in Rabat Morocco
- Université de Toulon, AMU, CNRS, IM2NP CS 60584 Toulon Cedex 9 France
| | - S Lotfi
- Laboratoire de Chimie Appliquée des Matériaux, Centre des Sciences des Matériaux, Faculty of Sciences, MohammedV University in Rabat Morocco
| | - A BaQais
- Department of Chemistry, College of Science, Princess Nourah Bint Abdulrahman University P. O. Box 84428 Riyadh 11671 Saudi Arabia
| | - M Saadi
- Laboratoire de Chimie Appliquée des Matériaux, Centre des Sciences des Matériaux, Faculty of Sciences, MohammedV University in Rabat Morocco
| | - M Arab
- Université de Toulon, AMU, CNRS, IM2NP CS 60584 Toulon Cedex 9 France
| | - H Ait Ahsaine
- Laboratoire de Chimie Appliquée des Matériaux, Centre des Sciences des Matériaux, Faculty of Sciences, MohammedV University in Rabat Morocco
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11
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Neurauter CG, Pannone M, Sousa MMLD, Wang W, Kuśnierczyk A, Luna L, Sætrom P, Scheffler K, Bjørås M. Enhanced glutathione levels confer resistance to apoptotic and ferroptotic programmed cell death in NEIL DNA glycosylase deficient HAP1 cells. Free Radic Biol Med 2024; 213:470-487. [PMID: 38301978 DOI: 10.1016/j.freeradbiomed.2024.01.037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Revised: 01/12/2024] [Accepted: 01/21/2024] [Indexed: 02/03/2024]
Abstract
The NTHL1 and NEIL1-3 DNA glycosylases are major enzymes in the removal of oxidative DNA base lesions, via the base excision repair (BER) pathway. It is expected that lack of these DNA glycosylases activities would render cells vulnerable to oxidative stress, promoting cell death. Intriguingly, we found that single, double, triple, and quadruple DNA glycosylase knockout HAP1 cells are, however, more resistant to oxidative stress caused by genotoxic agents than wild type cells. Furthermore, glutathione depletion in NEIL deficient cells further enhances resistance to cell death induced via apoptosis and ferroptosis. Finally, we observed higher basal level of glutathione and differential expression of NRF2-regulated genes associated with glutathione homeostasis in the NEIL triple KO cells. We propose that lack of NEIL DNA glycosylases causes aberrant transcription and subsequent errors in protein synthesis. This leads to increased endoplasmic reticulum stress and proteotoxic stress. To counteract the elevated intracellular stress, an adaptive response mediated by increased glutathione basal levels, rises in these cells. This study reveals an unforeseen role of NEIL glycosylases in regulation of resistance to oxidative stress, suggesting that modulation of NEIL glycosylase activities is a potential approach to improve the efficacy of e.g. anti-inflammatory therapies.
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Affiliation(s)
- Christine Gran Neurauter
- Department of Microbiology, Oslo University Hospital and University of Oslo, Oslo, 0424, Norway; Centre for Embryology and Healthy Development, University of Oslo, Oslo, 0373, Norway.
| | - Marco Pannone
- Department of Microbiology, Oslo University Hospital and University of Oslo, Oslo, 0424, Norway; Centre for Embryology and Healthy Development, University of Oslo, Oslo, 0373, Norway; Department of Clinical and Molecular Medicine (IKOM), Norwegian University of Science and Technology (NTNU), Trondheim, 7491, Norway.
| | - Mirta Mittelstedt Leal de Sousa
- Department of Microbiology, Oslo University Hospital and University of Oslo, Oslo, 0424, Norway; Centre for Embryology and Healthy Development, University of Oslo, Oslo, 0373, Norway; Department of Clinical and Molecular Medicine (IKOM), Norwegian University of Science and Technology (NTNU), Trondheim, 7491, Norway.
| | - Wei Wang
- Department of Clinical and Molecular Medicine (IKOM), Norwegian University of Science and Technology (NTNU), Trondheim, 7491, Norway.
| | - Anna Kuśnierczyk
- Proteomics and Modomics Experimental Core Facility (PROMEC), Norwegian University of Science and Technology (NTNU), Trondheim, 7491, Norway.
| | - Luisa Luna
- Department of Microbiology, Oslo University Hospital and University of Oslo, Oslo, 0424, Norway; Centre for Embryology and Healthy Development, University of Oslo, Oslo, 0373, Norway.
| | - Pål Sætrom
- Department of Clinical and Molecular Medicine (IKOM), Norwegian University of Science and Technology (NTNU), Trondheim, 7491, Norway.
| | - Katja Scheffler
- Department of Neurology, St.Olavs University Hospital, Trondheim, 7006, Norway; Department of Neuromedicine and Movement Science (INB), Norwegian University of Science and Technology (NTNU), Trondheim, 7491, Norway.
| | - Magnar Bjørås
- Department of Microbiology, Oslo University Hospital and University of Oslo, Oslo, 0424, Norway; Centre for Embryology and Healthy Development, University of Oslo, Oslo, 0373, Norway; Department of Clinical and Molecular Medicine (IKOM), Norwegian University of Science and Technology (NTNU), Trondheim, 7491, Norway.
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12
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Silva JGD, Chagas CA, Souza TGDS, Araújo MCD, Araújo LCAD, Santos AMM, Sá RADQCD, Alves RBDO, Rodrigues RHA, Silva HPD, Malafaia G, Bezerra RDS, Oliveira MBMD. Using structural equation modeling to assess the genotoxic and mutagenic effects of heavy metal contamination in the freshwater ecosystems: A study involving Oreochromis niloticus in an urban river. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 913:169529. [PMID: 38160826 DOI: 10.1016/j.scitotenv.2023.169529] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/12/2023] [Revised: 12/06/2023] [Accepted: 12/18/2023] [Indexed: 01/03/2024]
Abstract
Chemical pollutants represent a leading problem for aquatic ecosystems, as they can induce genetic, biochemical, and physiological changes in the species of these ecosystems, thus compromising their adaptability and survival. The Capibaribe River runs through the state of Pernambuco, located in Northeastern Brazil, and passes through areas of agricultural cultivation, densely populated cities, and industrial centers, primarily textiles. Despite its importance, few ecotoxicological studies have been conducted on its environment, and knowledge about pollution patterns and their effects on its biota is still being determined. The objective of this study was to evaluate the water quality and the damage supposed to be caused by pollutants on the DNA specimens of Nile tilapia (Oreochromis niloticus) obtained from seven strategic points of Capibaribe. Tilapia specimens and water were collected during the rainy and dry seasons from 2015 to 2017. The following characteristics were analyzed: physicochemical (six), metal concentration (seven), local pluviosity, micronuclei, and comet assay. The physicochemical and heavy metal analyses were exploratory, whereas the ecotoxicological analyses were hypothetical. To verify this hypothesis, we compared the groups of fish collected to the results of the micronuclei test and comet assay. We created a Structural Equation Model (SEM) to determine how each metal's micronuclei variables, damage index, pluviosity, and concentration were related. Our results demonstrated that the highest values for markers of genetic damage were detected at points with the highest heavy metal concentrations, especially iron, zinc, manganese, chromium, and cadmium. The SEM demonstrated that metals could explain the findings of the genotoxicity markers. Moreover, other pollutants, such as pesticides, should be considered, mainly where the river passes through rural areas. The results presented here demonstrate that the Capibaribe River has different degrees of contamination and confirm our hypothesis.
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Affiliation(s)
- Jordany Gomes da Silva
- Laboratório de Biologia Molecular, Departamento de Bioquímica, Universidade Federal de Pernambuco - UFPE, Recife, PE, Brazil.
| | - Cristiano Aparecido Chagas
- Laboratório de Ciências Morfológicas e Moleculares, Universidade Federal de Pernambuco (UFPE - CAV), Vitória de Santo Antão, Pernambuco, Brazil.
| | | | - Marlyete Chagas de Araújo
- Laboratório de Enzimologia, Departamento de Bioquímica, Universidade Federal de Pernambuco - UFPE, Recife, PE, Brazil
| | | | - André Maurício Melo Santos
- Laboratório de Biodiversidade, Universidade Federal de Pernambuco (UFPE - CAV), Vitória de Santo Antão, PE, Brazil.
| | | | | | - Rosner Henrique Alves Rodrigues
- Instituto para Redução de Riscos e Desastres de Pernambuco -IRRD, Universidade Federal Rural de Pernambuco - UFRPE, Núcleo de Geoprocessamento e Sensoriamento Remoto - GEOSERE, Recife, PE, Brazil
| | - Hernande Pereira da Silva
- Instituto para Redução de Riscos e Desastres - IRRD/UFRPE, Núcleo de Geoprocessamento e Sensoriamento Remoto - GEOSERE/UFRPE, Recife, PE, Brazil.
| | - Guilherme Malafaia
- Laboratory of Toxicology Applied to the Environment, Goiano Federal Institute, Urutaí Campus, Rodovia Geraldo Silva Nascimento, 2.5 km, Zona Rural, Urutaí, GO, Brazil.
| | - Ranilson de Souza Bezerra
- Universidade Federal de Pernambuco - UFPE, Centro de Biociências, Departamento de Bioquímica, Laboratório de Enzimologia, Cidade Universitária, Recife, PE, Brazil.
| | - Maria Betânia Melo de Oliveira
- Laboratório de Biologia Molecular, Departamento de Bioquímica, Universidade Federal de Pernambuco - UFPE, Recife, PE, Brazil.
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13
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Alur A, Phillips J, Xu D. Effects of hexavalent chromium on mitochondria and their implications in carcinogenesis. JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH. PART C, TOXICOLOGY AND CARCINOGENESIS 2024; 42:109-125. [PMID: 38230947 DOI: 10.1080/26896583.2024.2301899] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/18/2024]
Abstract
Hexavalent chromium (Cr(VI)) is a well-known occupational and environmental human carcinogen. The cellular effect of Cr(VI) is complex and often nonspecific due to its ability to modulate multiple cellular targets. The toxicity of Cr(VI) is strongly linked to the generation of reactive oxygen species (ROS) during its reduction process. ROS can cause oxidation of cellular macromolecules, such as proteins, lipids, and DNA, thereby altering their functions. A major genotoxic effect of Cr(VI) that contributes to carcinogenesis is the formation of DNA adducts, which can lead to DNA damage. Modulations of cellular signaling pathways and epigenetics may also contribute to the carcinogenic effects of Cr(VI). Cr(VI) has a major impact on many aspects of mitochondrial biology, including oxidative phosphorylation, mitophagy, and mitochondrial biogenesis. These effects have the potential to alter the trajectory of Cr(VI)-induced carcinogenic process. This perspective article summarizes current understandings of the effect of Cr(VI) on mitochondria and discusses the future directions of research in this area, particularly with regard to carcinogenesis.
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Affiliation(s)
- Anish Alur
- Department of Pathology, Microbiology and Immunology, New York Medical College School of Medicine, Valhalla, NY, USA
| | - John Phillips
- Department of Urology, New York Medical College School of Medicine, Valhalla, NY, USA
| | - Dazhong Xu
- Department of Pathology, Microbiology and Immunology, New York Medical College School of Medicine, Valhalla, NY, USA
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14
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Cui Y, Zhang P, Song K, Qi C, Liu Y, Liu J. Role of PERK-Mediated Endoplasmic Reticulum Stress in Ferroptosis Caused by Hexavalent Chromium in Chicken Hepatocytes. Biol Trace Elem Res 2024:10.1007/s12011-023-04046-8. [PMID: 38183555 DOI: 10.1007/s12011-023-04046-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/15/2023] [Accepted: 12/26/2023] [Indexed: 01/08/2024]
Abstract
This study aimed to investigate whether Cr(VI) can induce ferroptosis in chicken hepatocytes and determine the role of PERK-mediated endoplasmic reticulum stress (ERS). First, a model of Cr(VI) poisoning was established by exposing chicken hepatocytes to Cr(VI). The levels of ferroptosis-related proteins, meanwhile, GSH, SOD, MDA, and lipid ROS, were measured. Furthermore, the expression of GRP78 and PERK proteins was examined. Changes in ERS and ferroptosis were evaluated by silencing the PERK gene. Results showed that Cr(VI) led to the accumulation of lipid ROS, decreased expression of GPX4 and HSP27, increased expression of COX2, and induced ferroptosis in chicken hepatocytes. Exposure to Cr(VI) increased the protein expression of GRP78 and PERK, and silencing of PERK worsened Cr(VI)-induced ferroptosis. In conclusion, Cr(VI) can induce ferroptosis in chicken hepatocytes, and PERK plays an important role as a negative regulator.
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Affiliation(s)
- Yukun Cui
- College of Veterinary Medicine, Shandong Agricultural University, Taian, 271018, Shandong, China
| | - Pu Zhang
- The Affiliated Taian City Central Hospital of Qingdao University, Taian, 271000, Shandong, China
| | - Kaimin Song
- College of Veterinary Medicine, Shandong Agricultural University, Taian, 271018, Shandong, China
| | - Changxi Qi
- College of Veterinary Medicine, Shandong Agricultural University, Taian, 271018, Shandong, China
| | - Yongxia Liu
- Research Center for Animal Disease Control Engineering, Shandong Agricultural University, Taian, 271018, Shandong, China.
| | - Jianzhu Liu
- College of Veterinary Medicine, Shandong Agricultural University, Taian, 271018, Shandong, China.
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15
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Kou Z, Tran F, Dai W. Heavy metals, oxidative stress, and the role of AhR signaling. Toxicol Appl Pharmacol 2024; 482:116769. [PMID: 38007072 PMCID: PMC10988536 DOI: 10.1016/j.taap.2023.116769] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2023] [Revised: 11/12/2023] [Accepted: 11/18/2023] [Indexed: 11/27/2023]
Abstract
The Aryl Hydrocarbon Receptor (AhR) is a ligand-activated transcriptional factor pivotal in responding to environmental stress and maintaining cellular homeostasis. Exposure to specific xenobiotics or industrial compounds in the environment activates AhR and its subsequent signaling, inducing oxidative stress and related toxicity. Past research has also identified and characterized several classes of endogenous ligands, particularly some tryptophan (Trp) metabolic/catabolic products, that act as AhR agonists, influencing a variety of physiological and pathological states, including the modulation of immune responses and cell death. Heavy metals, being non-essential elements in the human body, are generally perceived as toxic and hazardous, originating either naturally or from industrial activities. Emerging evidence indicates that heavy metals significantly influence AhR activation and its downstream signaling. This review consolidates current knowledge on the modulation of the AhR signaling pathway by heavy metals, explores the consequences of co-exposure to AhR ligands and heavy metals, and investigates the interplay between oxidative stress and AhR activation, focusing on the regulation of immune responses and ferroptosis.
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Affiliation(s)
- Ziyue Kou
- Division of Environmental Medicine, Department of Medicine, Grossman School of Medicine, New York University, 341 East 25(th) Street, New York, NY 10010, United States of America
| | - Franklin Tran
- Division of Environmental Medicine, Department of Medicine, Grossman School of Medicine, New York University, 341 East 25(th) Street, New York, NY 10010, United States of America
| | - Wei Dai
- Division of Environmental Medicine, Department of Medicine, Grossman School of Medicine, New York University, 341 East 25(th) Street, New York, NY 10010, United States of America.
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16
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Zhang X, Bradford B, Baweja S, Tan T, Lee HW, Jose CC, Kim N, Katari M, Cuddapah S. Nickel-induced transcriptional memory in lung epithelial cells promotes interferon signaling upon nicotine exposure. Toxicol Appl Pharmacol 2023; 481:116753. [PMID: 37951547 PMCID: PMC11065478 DOI: 10.1016/j.taap.2023.116753] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2023] [Revised: 11/06/2023] [Accepted: 11/07/2023] [Indexed: 11/14/2023]
Abstract
Exposure to nickel, an environmental respiratory toxicant, is associated with lung diseases including asthma, pulmonary fibrosis, bronchitis and cancers. Our previous studies have shown that a majority of the nickel-induced transcriptional changes are persistent and do not reverse even after the termination of exposure. This suggested transcriptional memory, wherein the cell 'remembers' past nickel exposure. Transcriptional memory, due to which the cells respond more robustly to a previously encountered stimulus has been identified in a number of organisms. Therefore, transcriptional memory has been described as an adaptive mechanism. However, transcriptional memory caused by environmental toxicant exposures has not been well investigated. Moreover, how the transcriptional memory caused by an environmental toxicant might influence the outcome of exposure to a second toxicant has not been explored. In this study, we investigated whether nickel-induced transcriptional memory influences the outcome of the cell's response to a second respiratory toxicant, nicotine. Nicotine, an addictive compound in tobacco, is associated with the development of chronic lung diseases including chronic obstructive pulmonary disease (COPD) and pulmonary fibrosis. Our results show that nicotine exposure upregulated a subset of genes only in the cells previously exposed to nickel. Furthermore, our analyses indicate robust activation of interferon (IFN) signaling in these cells. IFN signaling is a driver of inflammation, which is associated with many chronic lung diseases. Therefore, our results suggest that nicotine exposure of lung cells that retain the transcriptional memory of previous nickel exposure could result in increased susceptibility to developing chronic inflammatory lung diseases.
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Affiliation(s)
- Xiaoru Zhang
- Division of Environmental Medicine, Department of Medicine, New York University Grossman School of Medicine, New York, NY 10010, USA
| | - Beatrix Bradford
- Division of Environmental Medicine, Department of Medicine, New York University Grossman School of Medicine, New York, NY 10010, USA
| | - Sahdev Baweja
- Division of Environmental Medicine, Department of Medicine, New York University Grossman School of Medicine, New York, NY 10010, USA; Center for Genomics and Systems Biology, Department of Biology, New York University, New York, NY 10003, USA
| | - Taotao Tan
- Center for Genomics and Systems Biology, Department of Biology, New York University, New York, NY 10003, USA
| | - Hyun-Wook Lee
- Division of Environmental Medicine, Department of Medicine, New York University Grossman School of Medicine, New York, NY 10010, USA
| | - Cynthia C Jose
- Division of Environmental Medicine, Department of Medicine, New York University Grossman School of Medicine, New York, NY 10010, USA
| | - Nicholas Kim
- Division of Environmental Medicine, Department of Medicine, New York University Grossman School of Medicine, New York, NY 10010, USA
| | - Manpreet Katari
- Center for Genomics and Systems Biology, Department of Biology, New York University, New York, NY 10003, USA.
| | - Suresh Cuddapah
- Division of Environmental Medicine, Department of Medicine, New York University Grossman School of Medicine, New York, NY 10010, USA.
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17
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Krawic C, Luczak MW, Valiente S, Zhitkovich A. Atypical genotoxicity of carcinogenic nickel(II): Linkage to dNTP biosynthesis, DNA-incorporated rNMPs, and impaired repair of TOP1-DNA crosslinks. J Biol Chem 2023; 299:105385. [PMID: 37890780 PMCID: PMC10692736 DOI: 10.1016/j.jbc.2023.105385] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Revised: 10/05/2023] [Accepted: 10/17/2023] [Indexed: 10/29/2023] Open
Abstract
Cancer is a genetic disease requiring multiple mutations for its development. However, many carcinogens are DNA-unreactive and nonmutagenic and consequently described as nongenotoxic. One of such carcinogens is nickel, a global environmental pollutant abundantly emitted by burning of coal. We investigated activation of DNA damage responses by Ni and identified this metal as a replication stressor. Genotoxic stress markers indicated the accumulation of ssDNA and stalled replication forks, and Ni-treated cells were dependent on ATR for suppression of DNA damage and long-term survival. Replication stress by Ni resulted from destabilization of RRM1 and RRM2 subunits of ribonucleotide reductase and the resulting deficiency in dNTPs. Ni also increased DNA incorporation of rNMPs (detected by a specific fluorescent assay) and strongly enhanced their genotoxicity as a result of repressed repair of TOP1-DNA protein crosslinks (TOP1-DPC). The DPC-trap assay found severely impaired SUMOylation and K48-polyubiquitination of DNA-crosslinked TOP1 due to downregulation of specific enzymes. Our findings identified Ni as the human carcinogen inducing genome instability via DNA-embedded ribonucleotides and accumulation of TOP1-DPC which are carcinogenic abnormalities with poor detectability by the standard mutagenicity tests. The discovered mechanisms for Ni could also play a role in genotoxicity of other protein-reactive carcinogens.
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Affiliation(s)
- Casey Krawic
- Department of Pathology and Laboratory Medicine, Brown University, Providence, Rhode Island, USA
| | - Michal W Luczak
- Department of Pathology and Laboratory Medicine, Brown University, Providence, Rhode Island, USA
| | - Sophia Valiente
- Department of Pathology and Laboratory Medicine, Brown University, Providence, Rhode Island, USA
| | - Anatoly Zhitkovich
- Department of Pathology and Laboratory Medicine, Brown University, Providence, Rhode Island, USA.
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18
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Wang Z, Fu Y, Seno A, Bi Z, Pawar AS, Ji H, Almutairy BS, Qiu Y, Zhang W, Thakur C, Chen F. Tumor suppressive activity of AHR in environmental arsenic-induced carcinogenesis. Toxicol Appl Pharmacol 2023; 480:116747. [PMID: 37935250 DOI: 10.1016/j.taap.2023.116747] [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: 07/29/2023] [Revised: 10/31/2023] [Accepted: 11/01/2023] [Indexed: 11/09/2023]
Abstract
The aryl hydrocarbon receptor (AHR) is a highly conserved pleiotropic transcription factor that senses environmental pollutants, microbial products, and endogenous ligands. The transcriptional targets of AHR include phase I and phase II detoxification enzymes, as well as numerous signaling molecules that affect a wide spectrum of biological and biochemical processes in a manner of cellular context-dependent. In this review, we systematically assess the latest discoveries of AHR in carcinogenesis with an emphasis on its tumor suppressor-like property that represses the expression of genes in oncogenic signaling pathways. Additionally, we outline recent progress in our studies on the interaction among AHR, TGFb and NRF2 in cellular responses to arsenic and malignant transformation. Our findings indicate that AHR antagonized TGFb and NRF2, suggesting that AHR could serve as a potential tumor suppressor in arsenic-induced carcinogenesis. Notably, while AHR can exhibit both oncogenic and tumor-suppressive properties in cancer development and the generation of the cancer stem-like cells (CSCs), the tumor suppressor-like effect of AHR warrants further extensive exploration for the prevention and clinical treatment of cancers.
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Affiliation(s)
- Ziwei Wang
- Stony Brook Cancer Center, Department of Pathology, Renaissance School of Medicine, Stony Brook University, Lauterbur Drive, Stony Brook, NY 11794, USA.
| | - Yao Fu
- Stony Brook Cancer Center, Department of Pathology, Renaissance School of Medicine, Stony Brook University, Lauterbur Drive, Stony Brook, NY 11794, USA
| | - Akimasa Seno
- R&D Center, Katayama Chemicals Ind., Co. Ltd, Ina, Minoh, Osaka 562-0015, Japan
| | - Zhuoyue Bi
- Stony Brook Cancer Center, Department of Pathology, Renaissance School of Medicine, Stony Brook University, Lauterbur Drive, Stony Brook, NY 11794, USA
| | - Aashna S Pawar
- Stony Brook Cancer Center, Department of Pathology, Renaissance School of Medicine, Stony Brook University, Lauterbur Drive, Stony Brook, NY 11794, USA
| | - Haoyan Ji
- Stony Brook Cancer Center, Department of Pathology, Renaissance School of Medicine, Stony Brook University, Lauterbur Drive, Stony Brook, NY 11794, USA
| | - Bandar Saeed Almutairy
- Department of Pharmaceutical Sciences, College of Pharmacy, Shaqra University, Shaqra 11961, Saudi Arabia
| | - Yiran Qiu
- Stony Brook Cancer Center, Department of Pathology, Renaissance School of Medicine, Stony Brook University, Lauterbur Drive, Stony Brook, NY 11794, USA
| | - Wenxuan Zhang
- Stony Brook Cancer Center, Department of Pathology, Renaissance School of Medicine, Stony Brook University, Lauterbur Drive, Stony Brook, NY 11794, USA
| | - Chitra Thakur
- Stony Brook Cancer Center, Department of Pathology, Renaissance School of Medicine, Stony Brook University, Lauterbur Drive, Stony Brook, NY 11794, USA
| | - Fei Chen
- Stony Brook Cancer Center, Department of Pathology, Renaissance School of Medicine, Stony Brook University, Lauterbur Drive, Stony Brook, NY 11794, USA.
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19
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Liang H, Ma K, Zhao X, Geng Z, She D, Hu H. Enhancement of Cr(VI) adsorption on lignin-based carbon materials by a two-step hydrothermal strategy: Performance and mechanism. Int J Biol Macromol 2023; 252:126432. [PMID: 37604414 DOI: 10.1016/j.ijbiomac.2023.126432] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Revised: 08/14/2023] [Accepted: 08/18/2023] [Indexed: 08/23/2023]
Abstract
Cr(VI) is a carcinogenic heavy metal that forms an oxygen-containing anion, which is difficult to remove from water by adsorbents. Here, industrial alkali lignin was transformed into a Cr(VI) adsorbent (N-LC) by using a two-step hydrothermal strategy. The characterization results of the adsorbent showed that O and N were uniformly distributed on the surface of the adsorbent, resulting in a favorable morphology and structure. The Cr(VI) adsorption of N-LC was 13.50 times that of alkali lignin, and the maximum was 326.10 mg g-1, which confirmed the superiority of the two-step hydrothermal strategy. After 7 cycles, the adsorption of N-LC stabilized at approximately 62.18 %. In addition, in the presence of coexisting ions, N-LC showed a selective adsorption efficiency of 85.47 % for Cr(VI), which is sufficient to support its application to actual wastewaters. Model calculations and characterization showed that N and O groups were the main active factors in N-LC, and CO, -OH and pyridinic-N were the main active sites. This study provides a simple and efficient method for the treatment of heavy metals and the utilization of waste lignin, which is expected to be widely applied in the environmental, energy and chemical industries.
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Affiliation(s)
- Hongxu Liang
- College of Resources and Environment, Anhui Agricultural University, Hefei 230036, China
| | - Kaiyue Ma
- College of Resources and Environment, Anhui Agricultural University, Hefei 230036, China
| | - Xinkun Zhao
- College of Geography and Environment, Shandong Normal University, Jinan 250300, China
| | - Zengchao Geng
- College of Natural Resources and Environment, Northwest A&F University, Yangling 712100, China
| | - Diao She
- College of Natural Resources and Environment, Northwest A&F University, Yangling 712100, China
| | - Hongxiang Hu
- College of Resources and Environment, Anhui Agricultural University, Hefei 230036, China.
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20
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Tan C, Liu H. Inhibition of Hexavalent Chromium Release from Drinking Water Distribution Systems: Effects of Water Chemistry-Based Corrosion Control Strategies. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2023; 57:18433-18442. [PMID: 36719710 PMCID: PMC10690716 DOI: 10.1021/acs.est.2c05324] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/25/2022] [Revised: 01/11/2023] [Accepted: 01/12/2023] [Indexed: 06/18/2023]
Abstract
In drinking water distribution systems, the oxidation of zerovalent chromium, Cr(0), in iron corrosion scales by chlorine residual disinfectant is the dominant reaction to form carcinogenic hexavalent chromium, Cr(VI). This study investigates inhibitive corrosion control strategies through adjustments of chemical water parameters (i.e., pH, silicate, phosphate, calcium, and alkalinity) on Cr(VI) formation through oxidation of Cr(0)(s) by free chlorine under drinking water conditions. The results show that an increase in pH, silicate, alkalinity, and calcium suppressed Cr(VI) formation that was mainly attributed to in situ surface precipitation of new Cr(III) solids on the surface of Cr(0)(s), including Cr(OH)3(s), Cr2(SiO3)3(s), CrPO4(s), Cr2(CO3)3(s), and Cr10Ca(CO3)16(s). The Cr(III) surface precipitates were much less reactive with chlorine than Cr(0)(s) and suppressed the Cr redox reactivity. The concentration of surface Cr(III) solids was inversely correlated with the rate constant of Cr(VI) formation. Adding phosphate either promoted or inhibited the Cr(VI) formation, depending on the phosphate concentration. This study provides fundamental insight into the Cr(VI) formation mechanisms via Cr(0) oxidation by chlorine and the importance of surface precipitation of Cr(III) solids with different corrosion control strategies and suggests that increasing the pH/alkalinity and addition of phosphate or silicate can be effective control strategies to minimize Cr(VI) formation.
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Affiliation(s)
- Cheng Tan
- Department of Chemical and Environmental
Engineering, University of California at
Riverside, Riverside, California92521, United States
| | - Haizhou Liu
- Department of Chemical and Environmental
Engineering, University of California at
Riverside, Riverside, California92521, United States
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21
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Zhang L, Li N, Zhang X, Wu H, Yu S. Hexavalent chromium caused DNA damage repair and apoptosis via the PI3K/AKT/FOXO1 pathway triggered by oxidative stress in the lung of rat. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 267:115622. [PMID: 37890257 DOI: 10.1016/j.ecoenv.2023.115622] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/24/2023] [Revised: 10/17/2023] [Accepted: 10/21/2023] [Indexed: 10/29/2023]
Abstract
Hexavalent chromium [Cr(VI)] is an occupational carcinogen that accumulates in the lungs and causes lung injury and even lung cancer. 36 SD male rats received inhalable intratracheal instillation of Cr(VI) (0.05, 0.25 mg Cr/kg) or the same volume (3 ml/kg) of normal saline weekly for 28 days (total 5 times). After 28 days of exposure, half of the rats in each group were sacrificed for investigation, and the rest stopped exposure and began to be self-repaired for two weeks. Histopathology analyses revealed that Cr(VI) induced slight dilatation and hemorrhage of perialveolar capillaries, pulmonary bronchodilation, and congestion with peripheral flaky-like necrosis accompanied by inflammatory cell infiltration, especially the 0.25 mg Cr/kg group. Cr(VI) exposure caused the increase of blood Cr, urinary Cr, MDA, urinary 8-hydroxy-2' -deoxyguanosine (8-OHdG), and the decrease of GSH and MDA, while two-week repair only reduced urinary Cr. Exposure to Cr(VI) significantly upregulated FOXO1 and downregulated p-AKT and p-FOXO1 for two weeks. PI3K in the 0.25 mg Cr/kg group was inhibited after two weeks of repair. Cr(VI) exposure mainly promoted GADD45a and CHK2 in the exposure group, promoted Bim, Bax/Bcl-2, and suppressed Bcl-2 and Bcl-xL in the repair group. These results demonstrate that Cr(VI) may induce DNA damage repair and apoptosis in the lung by activating the PI3K/AKT/FOXO1 pathway. Two-week repair may alleviate oxidative stress and DNA damage induced by Cr(VI) exposure but couldn't eliminate its effects. This study provides a new perspective for exploring the Cr(VI) induced lung cancer mechanism.
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Affiliation(s)
- Lixia Zhang
- Department of Scientific Research, Henan Medical College, Zhengzhou City, Henan Province 451191, China; School of Public Health, Zhengzhou University, Zhengzhou City, Henan Province 450001, China
| | - Ningning Li
- Department of Scientific Research, Henan Medical College, Zhengzhou City, Henan Province 451191, China
| | - Xiuzhi Zhang
- Department of Pathology, Henan Medical College, Zhengzhou City, Henan Province 451191, China
| | - Hui Wu
- Henan Institute for Occupational Medicine, Zhengzhou City, Henan Province 450052, China
| | - Shanfa Yu
- Department of Scientific Research, Henan Medical College, Zhengzhou City, Henan Province 451191, China.
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22
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Lehel J, Magyar M, Palotás P, Abonyi-Tóth Z, Bartha A, Budai P. To Eat or Not to Eat?-Food Safety Aspects of Essential Metals in Seafood. Foods 2023; 12:4082. [PMID: 38002139 PMCID: PMC10670376 DOI: 10.3390/foods12224082] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Revised: 11/02/2023] [Accepted: 11/08/2023] [Indexed: 11/26/2023] Open
Abstract
The popularity of seafoods is high due to their superb dietary properties and healthy composition. However, it is crucial to understand whether they adequately contribute to our essential nutritional needs. Small amounts of essential metals are indispensable in the human body to proper physiological functioning; their deficiency can manifest in various sets of symptoms that can only be eliminated with their intake during treatment or nutrition. However, the excessive consumption of metals can induce undesirable effects, or even toxicosis. Shellfish, oyster, and squid samples were collected directly from a fish market. After sample preparation, the concentration of essential metals (cobalt, chromium, copper, manganese, molybdenum, nickel, and zinc) was detected by Inductively Coupled Plasma Optical Emission Spectrometry. The results were analyzed statistically using ANOVA and two-sample t-tests. The average concentration of the investigated essential elements and the calculated burden based on the consumption were below the Recommended Dietary Allowances and Tolerable Upper Intake Levels. Based on these results, the trace element contents of the investigated seafoods do not cover the necessary recommended daily intake of them, but their consumption poses no health hazard due to their low levels.
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Affiliation(s)
- József Lehel
- Department of Food Hygiene, University of Veterinary Medicine Budapest, István u. 2., 1078 Budapest, Hungary;
- National Laboratory for Infectious Animal Diseases, Antimicrobial Resistance, Veterinary Public Health and Food Chain Safety, University of Veterinary Medicine Budapest, István u. 2, 1078 Budapest, Hungary
| | - Márta Magyar
- Department of Food Hygiene, University of Veterinary Medicine Budapest, István u. 2., 1078 Budapest, Hungary;
| | - Péter Palotás
- The Fishmarket Fish Trading Company, Törökbálinti u. 23, 2040 Budaörs, Hungary;
| | - Zsolt Abonyi-Tóth
- Department of Biomathematics and Informatics, University of Veterinary Medicine Budapest, István u. 2., 1078 Budapest, Hungary;
| | - András Bartha
- Department of Animal Hygiene, Herd Health and Mobile Clinic, University of Veterinary Medicine Budapest, István u. 2., 1078 Budapest, Hungary;
| | - Péter Budai
- Institute of Plant Protection, Hungarian University of Agriculture and Life Sciences, Georgikon Campus, Deák F. u. 16, 8360 Keszthely, Hungary
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23
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Czaja AJ. Introducing Molecular Chaperones into the Causality and Prospective Management of Autoimmune Hepatitis. Dig Dis Sci 2023; 68:4098-4116. [PMID: 37755606 PMCID: PMC10570239 DOI: 10.1007/s10620-023-08118-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/02/2023] [Accepted: 09/18/2023] [Indexed: 09/28/2023]
Abstract
Molecular chaperones influence the immunogenicity of peptides and the activation of effector T cells, and their pathogenic roles in autoimmune hepatitis are unclear. Heat shock proteins are pivotal in the processing and presentation of peptides that activate CD8+ T cells. They can also induce regulatory B and T cells and promote immune tolerance. Tapasin and the transporter associated with antigen processing-binding protein influence the editing and loading of high-affinity peptides for presentation by class I molecules of the major histocompatibility complex. Their over-expression could enhance the autoimmune response, and their deficiency could weaken it. The lysosome-associated membrane protein-2a isoform in conjunction with heat shock cognate 70 supports the importation of cytosolic proteins into lysosomes. Chaperone-mediated autophagy can then process the peptides for activation of CD4+ T cells. Over-expression of autophagy in T cells may also eliminate negative regulators of their activity. The human leukocyte antigen B-associated transcript three facilitates the expression of class II peptide receptors, inhibits T cell apoptosis, prevents T cell exhaustion, and sustains the immune response. Immunization with heat shock proteins has induced immune tolerance in experimental models and humans with autoimmune disease by inducing regulatory T cells. Therapeutic manipulation of other molecular chaperones may promote T cell exhaustion and induce tolerogenic dendritic cells. In conclusion, molecular chaperones constitute an under-evaluated family of ancillary proteins that could affect the occurrence, severity, and outcome of autoimmune hepatitis. Clarification of their contributions to the immune mechanisms and clinical activity of autoimmune hepatitis could have therapeutic implications.
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Affiliation(s)
- Albert J Czaja
- Mayo Clinic College of Medicine and Science, 200 First Street S.W., Rochester, MN, 55905, USA.
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24
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Gatzke-Kopp LM, Riis JL, Ahmadi H, Piccerillo HL, Granger DA, Blair CB, Thomas EA. Environmental tobacco smoke exposure is associated with increased levels of metals in children's saliva. JOURNAL OF EXPOSURE SCIENCE & ENVIRONMENTAL EPIDEMIOLOGY 2023; 33:903-910. [PMID: 37147431 PMCID: PMC10733142 DOI: 10.1038/s41370-023-00554-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Revised: 04/18/2023] [Accepted: 04/19/2023] [Indexed: 05/07/2023]
Abstract
BACKGROUND Exposure to environmental tobacco smoke (ETS) has been associated with detectable levels of cotinine (a nicotine metabolite) in children's saliva. However, tobacco smoke also contains toxic and essential trace metals, including chromium (Cr), copper (Cu), lead (Pb), manganese (Mn), nickel (Ni) and zinc (Zn). OBJECTIVE The current study examines whether there is a relationship between ETS exposure, as gauged by salivary cotinine, and salivary levels of these metals in a subset (n = 238) of children from the Family Life Project. METHODS Using inductively-coupled-plasma optical emission spectrophotometry, we measured levels of metals in saliva from children at ~90 months of age. Salivary cotinine was measured using a commercial immunoassay. RESULTS We found that Cr, Cu, Mn, and Zn were detected in most samples (85-99%) with lower levels of detection for Pb and Ni (9.3% and 13.9% respectively). There were no significant differences in any of the metal concentrations between males and females, nor were levels associated with body mass index, although significant differences in salivary Cr and Mn by race, state and income-to-needs ratio were observed. Children with cotinine levels >1 ng/ml had higher levels of Zn (b = 0.401, 95% CI: 0.183 to 0.619; p = 0.0003) and Cu (b = 0.655, 95% CI: 0.206 to 1.104; p = 0.004) compared to children with levels <1 ng/ml, after controlling for multiple confounders, including sex, race, BMI and income-to-needs ratio. Further, we show that children whose cotinine levels were >1 μg/L were more likely to have detectable levels of Pb in their saliva (b = 1.40, 95% CI: 0.424 to 2.459; p = 0.006) compared to children with cotinine levels <1 ng/ml, also considering confounders. IMPACT STATEMENT This is the first study to demonstrate significant associations between salivary cotinine and salivary levels of Cu, Zn and Pb, suggesting that environmental tobacco smoke exposure my be one source of increased children's exposure to heavy metals. This study also demonstrates that saliva samples can be used to measure heavy metal exposure, and thus serve as a non-invasive tool for assessing a broader range of risk indicators.
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Affiliation(s)
- Lisa M Gatzke-Kopp
- Department of Human Development and Family Studies, Penn State University, University Park, PA, 16802, USA
| | - Jenna L Riis
- Department of Psychological Sciences, University of California Irvine, Irvine, CA, USA
- Institute for Interdisciplinary Salivary Bioscience Research, University of California Irvine, Irvine, CA, USA
| | - Hedyeh Ahmadi
- Department of Psychological Sciences, University of California Irvine, Irvine, CA, USA
- Institute for Interdisciplinary Salivary Bioscience Research, University of California Irvine, Irvine, CA, USA
- University Statistical Consulting, LLC, Irvine, CA, USA
| | - Hillary L Piccerillo
- Department of Psychological Sciences, University of California Irvine, Irvine, CA, USA
- Institute for Interdisciplinary Salivary Bioscience Research, University of California Irvine, Irvine, CA, USA
| | - Douglas A Granger
- Institute for Interdisciplinary Salivary Bioscience Research, University of California Irvine, Irvine, CA, USA
- Johns Hopkins University, Bloomberg School of Public Health, and School of Medicine, Baltimore, MD, USA
| | - Clancy B Blair
- Department of Population Health, New York University Grossman School of Medicine, New York, NY, USA
| | - Elizabeth A Thomas
- Institute for Interdisciplinary Salivary Bioscience Research, University of California Irvine, Irvine, CA, USA.
- Department of Epidemiology, University of California Irvine, Irvine, CA, USA.
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25
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Valiente S, Krawic C, Zhitkovich A. ATR activation by Cr-DNA damage is a major survival response establishing late S and G2 checkpoints after Cr(VI) exposure. Toxicol Appl Pharmacol 2023; 477:116696. [PMID: 37734571 PMCID: PMC10591798 DOI: 10.1016/j.taap.2023.116696] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Revised: 09/17/2023] [Accepted: 09/18/2023] [Indexed: 09/23/2023]
Abstract
Inhalation exposure to hexavalent chromium is known to cause lung cancer and other pulmonary toxicity. Cellular metabolism of chromium(VI) entering cells as chromate anion produces different amounts of reactive Cr(V) intermediates and finally yields Cr(III). Direct reduction of Cr(VI) by ascorbate (Asc), the dominant metabolic reaction in vivo but not in standard cell cultures, skips production of Cr(V) but still permits extensive formation of Cr-DNA damage. To understand the importance of different forms of biological injury in Cr(VI) toxicity, we examined activation of several protein- and DNA damage-sensitive stress responses in human lung cells under Asc-restored conditions. We found that Asc-restored cells suppressed upregulation of oxidant-sensitive stress systems by Cr(VI) but showed a strong activation of the apical DNA damage-responsive kinase ATR. ATR signaling was triggered in late S phase and persisted upon entry of cells into G2 phase. Inhibition of ATR prevented the establishment of late-S and G2 cell cycle checkpoints and did not lead to a compensatory activation of a related kinase ATM. Inactivation of ATR also strongly impaired viability of Cr(VI)-treated lung cells including stem-like cells and revealed a significant formation of toxic Cr-DNA damage at low Cr(VI) doses. Our findings identified a major Cr(VI) resistance mechanism involving sensing of Cr-DNA damage by ATR in late S phase and a subsequent establishment of protective cell cycle checkpoints.
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Affiliation(s)
- Sophia Valiente
- Brown University, Legorreta Cancer Center, Department of Pathology and Laboratory Medicine, Providence, RI 02912, USA
| | - Casey Krawic
- Brown University, Legorreta Cancer Center, Department of Pathology and Laboratory Medicine, Providence, RI 02912, USA
| | - Anatoly Zhitkovich
- Brown University, Legorreta Cancer Center, Department of Pathology and Laboratory Medicine, Providence, RI 02912, USA.
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26
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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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27
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Wang M, Yu Q. Association between blood heavy metal concentrations and skin cancer in the National Health and Nutrition Examination Survey, 2011-2018. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:108681-108693. [PMID: 37751003 DOI: 10.1007/s11356-023-29674-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Accepted: 08/30/2023] [Indexed: 09/27/2023]
Abstract
We aimed to evaluate the associations between blood cadmium (Cd), mercury (Hg), lead (Pb), manganese (Mn), and selenium (Se) concentrations and skin cancer. This cross-sectional study was based on National Health and Nutritional Examination Survey (NHANES) data. A binomial logistic regression model was used to analyze the associations between exposure to the metal elements and the risk of skin cancer, and further stratified analyses were conducted by gender, age, body mass index, ethnicity, education, smoking, alcohol drinking, and hypertension. A total of 16,034 participants were included. After fully adjusting for multivariate, the odd ratio (OR)[95% confidence interval (95% CI)] values for skin cancer in those with blood Mn concentrations in the second, third, and fourth quartiles were 0.52 (0.33-0.82), 0.57 (0.36-0.9), and 0.56 (0.35-0.89), respectively, compared with those in the lowest quartile. The ORs (95% CI) for each 1-SD increment in log-transformed values for blood Mn concentrations were 0.79 (0.66-0.94), 0.8 (0.66-0.97), and 0.79 (0.66-0.96), respectively. A significant association between blood Hg and skin cancer was also observed in participants who drank alcohol, with a corresponding OR (95% CI) of 2.61 (1.37-5.00) (p interaction = 0.006). Our study indicated that a higher blood Mn concentration was negatively associated with skin cancer, and blood Hg was positively associated with skin cancer in participants who drank alcohol.
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Affiliation(s)
- Mei Wang
- Department of Dermatology, Yuyao People's Hospital, Ningbo, Zhejiang, People's Republic of China
| | - Qing Yu
- Department of Dermatology, Yuyao People's Hospital, Ningbo, Zhejiang, People's Republic of China.
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28
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Nithin A, Sundaramanickam A, Surya P, Kumar TTA. Chromium (IV) transfer to Amusium pleuronectes by LDPE microplastics: An experimental study. JOURNAL OF HAZARDOUS MATERIALS 2023; 458:131869. [PMID: 37336108 DOI: 10.1016/j.jhazmat.2023.131869] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/18/2023] [Revised: 06/13/2023] [Accepted: 06/14/2023] [Indexed: 06/21/2023]
Abstract
An experiment was carried out to investigate the potential of virgin LDPE microplastics to transfer heavy metals. Desired shapes (fibres, fragments, and films) and sizes (< 5 mm) of virgin LDPE microplastics were immersed in a known concentration (30 µg/l) of chromium (IV). These Cr-coated microplastics were introduced into a culture tank containing edible scallops (Amusium pleuronectes). After the completion of the experiment (5 days), the sediments in the culture tank and edible tissues of A. pleuronectes were tested for the presence of Cr. In the sediments, a maximum concentration of 1.934 µg/g of Cr was accumulated at a rate of R2 = 0.979, while in the tissues, the maximum accumulation concentration was 0.733 µg/g of Cr at a rate of R2 = 0.807. Energy Dispersive X-ray Spectroscopy analysis also confirmed the presence of Cr (2.61 ± 0.44 mass % and 1.80 ± 0.30 atom%) in the tissues of A. pleuronectes, which was absent in the control tissues. The study showed that when exposed to contaminants such as heavy metals, LDPE microplastics can adhere and transfer them to biotic tissues. LDPE showed the potential to transfer adhered contaminants; however, the effects caused by these transferred contaminants on biota must be studied further. Risk assessment study showed that potential ecological risk of Cr is < 40 indicating low risk however, the combined effect of Cr and LDPE can compound its toxicity which needs to be studied further.
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Affiliation(s)
- Ajith Nithin
- Centre of Advanced Study in Marine Biology, Annamalai University Parangipettai, Tamil Nadu, India.
| | - Arumugam Sundaramanickam
- Centre of Advanced Study in Marine Biology, Annamalai University Parangipettai, Tamil Nadu, India.
| | - Parthasarathy Surya
- Centre of Advanced Study in Marine Biology, Annamalai University Parangipettai, Tamil Nadu, India
| | - T T Ajith Kumar
- ICAR - National Bureau of Fish Genetic Resources, Lucknow 226002, Uttar Pradesh, India.
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29
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Silva SB, Ruiz TFR, Dos Santos FCA, Taboga SR, Vilamaior PSL. Impacts of heavy metal exposure on the prostate of murine models: Mechanisms of toxicity. Reprod Toxicol 2023; 120:108448. [PMID: 37490985 DOI: 10.1016/j.reprotox.2023.108448] [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: 05/29/2023] [Revised: 07/12/2023] [Accepted: 07/21/2023] [Indexed: 07/27/2023]
Abstract
Heavy metals are elements found into the environment mainly due to anthropogenic activities. Naturally occurring and higher released doses cause disorders in the prostate, which depends on appropriate hormonal regulation, and exposure to heavy metals may impair prostate homeostasis. The current work highlighted the main mechanisms of toxicity of different environmental heavy metal contaminants, such as aluminum, arsenic, cadmium, chromium, lead, mercury, and nickel, and their impacts found in the prostate morphophysiology of murine models. The repercussions triggered by heavy metals on the prostate include hormonal imbalance and oxidative damage, leading to morphological alterations, which can vary according to the chemical properties of each element, exposure time and concentration, and age. The information of altered biological pathways and its impacts on the prostate of exposed murines are related to human outcomes being useful in the real context of human exposure.
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Affiliation(s)
- Stella Bicalho Silva
- Department of Biological Sciences, Institute of Biosciences, Humanities and Exact Sciences, São Paulo State University (UNESP), São José do Rio Preto, São Paulo, Brazil
| | - Thalles Fernando Rocha Ruiz
- Department of Structural and Functional Biology, Institute of Biology, State University of Campinas (UNICAMP), Campinas, São Paulo, Brazil
| | - Fernanda Cristina Alcantara Dos Santos
- Department of Histology, Embryology and Cell Biology, Laboratory of Microscopy Applied to Reproduction, Institute of Biological Sciences, Federal University of Goiás, Goiânia, Goiás, Brazil
| | - Sebastião Roberto Taboga
- Department of Biological Sciences, Institute of Biosciences, Humanities and Exact Sciences, São Paulo State University (UNESP), São José do Rio Preto, São Paulo, Brazil
| | - Patricia Simone Leite Vilamaior
- Department of Biological Sciences, Institute of Biosciences, Humanities and Exact Sciences, São Paulo State University (UNESP), São José do Rio Preto, São Paulo, Brazil.
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30
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Huang Y, Tang J, Zhang B, Long ZE, Ni H, Fu X, Zou L. Influencing factors and mechanism of Cr(VI) reduction by facultative anaerobic Exiguobacterium sp. PY14. Front Microbiol 2023; 14:1242410. [PMID: 37637125 PMCID: PMC10449125 DOI: 10.3389/fmicb.2023.1242410] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Accepted: 07/21/2023] [Indexed: 08/29/2023] Open
Abstract
Microbial reduction is an effective way to deal with hexavalent chromium [Cr(VI)] contamination in the environment, which can significantly mitigate the biotoxicity and migration of this pollutant. The present study investigated the influence of environmental factors on aqueous Cr(VI) removal by a newly isolated facultative anaerobic bacterium, Exiguobacterium sp. PY14, and revealed the reduction mechanism. This strain with a minimum inhibitory concentration of 400 mg/L showed the strongest Cr(VI) removal capacity at pH 8.0 because of its basophilic nature, which was obviously depressed by increasing the Cr(VI) initial concentration under both aerobic and anaerobic conditions. In contrast, the removal rate constant for 50 mg/L of Cr(VI) under anaerobic conditions (1.82 × 10-2 h-1) was 3.3 times that under aerobic conditions. The co-existence of Fe(III) and Cu(II) significantly promoted the removal of Cr(VI), while Ag(I), Pb(II), Zn(II), and Cd(II) inhibited it. Electron-shuttling organics such as riboflavin, humic acid, and anthraquinone-2,6-disulfonate promoted the Cr(VI) removal to varying degrees, and the enhancement was more significant under anaerobic conditions. The removal of aqueous Cr(VI) by strain PY14 was demonstrated to be due to cytoplasmic rather than extracellular reduction by analyzing the contributions of different cell components, and the end products existed in the aqueous solution in the form of organo-Cr(III) complexes. Several possible genes involved in Cr(VI) metabolism, including chrR and chrA that encode well-known Chr family proteins responsible for chromate reduction and transport, respectively, were identified in the genome of PY14, which further clarified the Cr(VI) reduction pathway of this strain. The research progress in the influence of crucial environmental factors and biological reduction mechanisms will help promote the potential application of Exiguobacterium sp. PY14 with high adaptability to environmental stress in Cr(VI) removal in the actual environment.
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Affiliation(s)
- Yunhong Huang
- Nanchang Key Laboratory of Microbial Resources Exploitation and Utilization from Poyang Lake Wetland, College of Life Sciences, Jiangxi Normal University, Nanchang, China
| | - Jie Tang
- Nanchang Key Laboratory of Microbial Resources Exploitation and Utilization from Poyang Lake Wetland, College of Life Sciences, Jiangxi Normal University, Nanchang, China
| | - Bei Zhang
- College of Art and Design, Jiangxi Institute of Fashion Technology, Nanchang, China
| | - Zhong-Er Long
- Nanchang Key Laboratory of Microbial Resources Exploitation and Utilization from Poyang Lake Wetland, College of Life Sciences, Jiangxi Normal University, Nanchang, China
| | - Haiyan Ni
- Nanchang Key Laboratory of Microbial Resources Exploitation and Utilization from Poyang Lake Wetland, College of Life Sciences, Jiangxi Normal University, Nanchang, China
| | - Xueqin Fu
- Nanchang Key Laboratory of Microbial Resources Exploitation and Utilization from Poyang Lake Wetland, College of Life Sciences, Jiangxi Normal University, Nanchang, China
| | - Long Zou
- Nanchang Key Laboratory of Microbial Resources Exploitation and Utilization from Poyang Lake Wetland, College of Life Sciences, Jiangxi Normal University, Nanchang, China
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31
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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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Konanç MU. Monitoring trace element concentrations with environmentally friendly biomonitors in Artvin, Turkey. ENVIRONMENTAL MONITORING AND ASSESSMENT 2023; 195:1001. [PMID: 37498404 DOI: 10.1007/s10661-023-11587-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/17/2023] [Accepted: 07/06/2023] [Indexed: 07/28/2023]
Abstract
Air pollution is the change in air composition that disrupts human health and environmental balance. Although natural and anthropogenic processes include crustal movements, photosynthesis, and plant and animal emissions, other sources of contamination also include industrial operations, transportation activities, household resources, and the chemical and metal industries. Thus, biomonitoring can be employed as a quick, affordable, and efficient method for estimating air pollution. In this study, some inorganic pollutants were detected using olive trees (Olea europaea L.) at eleven different points, depending on the traffic density in Artvin, Turkey. Trace element concentrations (Cr, Ti, Fe, Ni, Co, Cu, Zn, Pb, Al, and Mn) were measured in soil once a year and seasonally in plant samples with ICP-OES. Furthermore, basic component analyses total carbon (TC), total nitrogen (TN), total hydrogen (TH), and total sulfur (TS) were done with an elemental analyzer, total chlorophyll contents with a portable chlorophyll meter, and morphological and particle-based plant analyses with SEM-EDS. The pollution levels of these metals were calculated using the enrichment factor (EF) and geoaccumulation index (Igeo) parameters. Furthermore, the accuracy and validity tests of the analyses for trace metals were tested by applying certified reference materials (CRM) (ERM-CD281) for the plant samples and CRM (LGC-6187) for soil samples. Results indicated that soil trace element pollution distributions were ranked according to the following descending order: Fe (37,873.33 mg/kg) > Al (13,300 mg/kg) > Mn (1101.33 mg/kg) > Ti (353.5 mg/kg) > Zn (252.86 mg/kg) > Cu (87.77 mg/kg) > Cr (30.52 mg/kg) > Pb (19.65 mg/kg) > Ni (17.07 mg/kg) > Co (7.65 mg/kg). Moreover, air pollution from anthropogenic sources substantially increased average trace metal concentrations and sulfur emissions in autumn and winter. The average highest values of Fe (321.08 mg/kg) > Al (304.05 mg/kg) > Mn (32.75 mg/kg) > Zn (31.01 mg/kg) > Cu (17.92 mg/kg) > Ti (11.07 mg/kg) Cr (2.57 mg/kg) > Ni (17.07 mg/kg) were found in leaf samples taken from the roadside in autumn and winter. According to the EF and Igeo values, the main polluting trace elements in the soil were Zn, Cu, and Pb, while in the plant, these were detected as Fe, Al, Ti, Cr, Ni, and Cu. Kruskal-Wallis and correlation analysis statistically supported this relationship among metals. Results show that olive leaves are an effective bioindicator for detecting urban air pollution.
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Affiliation(s)
- Mustafa Umut Konanç
- Science-Technology Research and Application Center, Artvin Coruh University, Artvin, 08000, Turkey.
- Artvin Vocational School, Chemistry and Chemical Technology Department, Artvin Çoruh University, Artvin, Turkey.
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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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34
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Tomon TRB, Estrada RJR, Fernandez RMD, Capangpangan RY, Lubguban AA, Dumancas GG, Alguno AC, Malaluan RM, Bacosa HP, Lubguban AA. Coconut power: a sustainable approach for the removal of Cr 6+ ions using a new coconut-based polyurethane foam/activated carbon composite in a fixed-bed column. RSC Adv 2023; 13:20941-20950. [PMID: 37448637 PMCID: PMC10336476 DOI: 10.1039/d3ra02266h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Accepted: 07/05/2023] [Indexed: 07/15/2023] Open
Abstract
To attain efficient removal of hexavalent chromium (Cr6+) from aqueous solutions, a novel polyurethane foam-activated carbon (PUAC) adsorbent composite was developed. The composite material was synthesized by the binding of coconut shell-based activated carbon (AC) onto a coconut oil-based polyurethane matrix. To thoroughly characterize the physicochemical properties of the newly developed material, various analytical techniques including FTIR spectroscopy, SEM, XRD, BET, and TGA analyses were conducted. The removal efficiency of the PUAC composite in removing Cr6+ ions from aqueous solutions was evaluated through column experiments with the highest adsorption capacity of 28.41 mg g-1 while taking into account variables such as bed height, flow rate, initial Cr6+ ion concentration, and pH. Experimental data were fitted using Thomas, Yoon-Nelson, and Adams-Bohart models to predict the column profiles and the results demonstrate high breakthrough and exhaustion time dependence on these variables. Among the obtained R2 values of the models, a better fit was observed using the Thomas and Yoon-Nelson models, indicating their ability to effectively predict the adsorption of Cr6+ ions in a fixed bed column. Significantly, the exhausted adsorbent can be conveniently regenerated without any noteworthy loss of adsorption capability. Based on these findings, it can be concluded that this new PUAC composite material holds significant promise as a potent sorbent for wastewater treatment backed by its excellent performance, cost-effectiveness, biodegradability, and outstanding reusability.
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Affiliation(s)
- Tomas Ralph B Tomon
- Center for Sustainable Polymers, Mindanao State University - Iligan Institute of Technology 9200 Iligan City Philippines
- Graduate Program of Environmental Science, Department of Biological Sciences, Mindanao State University - Iligan Institute of Technology 9200 Iligan City Philippines
| | - Renz John R Estrada
- Center for Sustainable Polymers, Mindanao State University - Iligan Institute of Technology 9200 Iligan City Philippines
| | - Rubie Mae D Fernandez
- Center for Sustainable Polymers, Mindanao State University - Iligan Institute of Technology 9200 Iligan City Philippines
- Graduate Program of Environmental Science, Department of Biological Sciences, Mindanao State University - Iligan Institute of Technology 9200 Iligan City Philippines
| | - Rey Y Capangpangan
- Department of Physical Sciences and Mathematics, Mindanao State University at Naawan 9023 Naawan Philippines
| | - Alona A Lubguban
- Department of Mathematics, Statistics, and Computer Studies, University of the Philippines, Rural High School Paciano Rizal Bay, 4033 Laguna Philippines
| | - Gerard G Dumancas
- Department of Chemistry, The University of Scranton Scranton PA 18510 USA
| | - Arnold C Alguno
- Center for Sustainable Polymers, Mindanao State University - Iligan Institute of Technology 9200 Iligan City Philippines
- Department of Physics, Mindanao State University - Iligan Institute of Technology 9200 Iligan City Philippines
| | - Roberto M Malaluan
- Center for Sustainable Polymers, Mindanao State University - Iligan Institute of Technology 9200 Iligan City Philippines
- Department of Chemical Engineering and Technology, Mindanao State University - Iligan Institute of Technology 9200 Iligan City Philippines
| | - Hernando P Bacosa
- Center for Sustainable Polymers, Mindanao State University - Iligan Institute of Technology 9200 Iligan City Philippines
- Graduate Program of Environmental Science, Department of Biological Sciences, Mindanao State University - Iligan Institute of Technology 9200 Iligan City Philippines
| | - Arnold A Lubguban
- Center for Sustainable Polymers, Mindanao State University - Iligan Institute of Technology 9200 Iligan City Philippines
- Department of Chemical Engineering and Technology, Mindanao State University - Iligan Institute of Technology 9200 Iligan City Philippines
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35
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Tousizadeh S, Mohammadi-Moghadam F, Sadeghi R, Ahmadi A, Shakeri K. Investigation of the levels of essential and non-essential metals in women with and without abortion history: A study based on the Persian population of the Shahrekord cohort. CHEMOSPHERE 2023; 329:138434. [PMID: 37001760 DOI: 10.1016/j.chemosphere.2023.138434] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/25/2022] [Revised: 03/03/2023] [Accepted: 03/15/2023] [Indexed: 05/03/2023]
Abstract
Spontaneous abortion is a serious threat to the mothers' physical and mental well-being. The cause of spontaneous abortion is multifactorial disease. Prenatal non-essential metal exposure, particularly heavy metals, has been suggested to be associated with adverse pregnancy and birth outcomes. The purpose of this study was to investigate the relationship between the concentration of essential and non-essential metals including Pb, As, Zn, and Se and the risk of spontaneous abortion. In this case-control study the levels of Pb, As, Zn, and Se in the whole blood of 60 women with spontaneous abortion (case group) and also 60 women without spontaneous abortion (control group) were measured by atomic absorption spectrophotometry. Results revealed statistically significant reductions (P < 0.001) in whole blood levels of Zn and Se as well as the levels of As and Pb had a substantial elevation (P < 0.001) in cases compared to controls. According to the findings, repeated spontaneous abortion may be influenced by increasing whole blood levels of heavy metals such as As (OR = 17.53, P = 0.001) and Pb (OR = 15.58, P = 0.001) as well as decreasing levels of vital micronutrients Zn (OR = 0.20, P = 0.001) and Se (OR = 0.14, P = 0.001). The results of this study support the idea that limiting intake of non-essential metals during pregnancy can decrease the risk of spontaneous abortion. Overall, the information presented is expected to help plan future fundamental and applied investigations on the spontaneous abortion.
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Affiliation(s)
- Sepideh Tousizadeh
- Student Research Committee, Shahrekord University of Medical Sciences, Shahrekord, Iran; Department of Environmental Health Engineering, School of Health, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Fazel Mohammadi-Moghadam
- Department of Environmental Health Engineering, School of Health, Shahrekord University of Medical Sciences, Shahrekord, Iran; Social Determinants of Health Research Center, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Ramezan Sadeghi
- Department of Environmental Health Engineering, School of Health, Shahrekord University of Medical Sciences, Shahrekord, Iran.
| | - Ali Ahmadi
- Modeling in Health Research Center, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Kobra Shakeri
- Department of Environmental Health Engineering, School of Health, Shahrekord University of Medical Sciences, Shahrekord, Iran
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36
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Li S, Pei L, Zhou Q, Fu Z, Zhang L, Liu P, Yan N, Xi S. SLC1A5 regulates cell proliferation and self-renewal through β-catenin pathway mediated by redox signaling in arsenic-treated uroepithelial cells. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 262:115204. [PMID: 37393816 DOI: 10.1016/j.ecoenv.2023.115204] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Revised: 06/13/2023] [Accepted: 06/27/2023] [Indexed: 07/04/2023]
Abstract
Arsenic exposure increases the risk of bladder cancer in humans, but its underlying mechanisms remain elusive. The alanine, serine, cysteine-preferring transporter 2 (ASCT2, SLC1A5) is frequently overexpressed in cancer cells. The aim of this study was to evaluate the effects of arsenic on SLC1A5, and to determine the role of SLC1A5 in the proliferation and self-renewal of uroepithelial cells. F344 rats were exposed to 87 mg/L NaAsO2 or 200 mg/L DMAV for 12 weeks. The SV-40 immortalized human uroepithelial (SV-HUC-1) cells were cultured in medium containing 0.5 μM NaAsO2 for 40 weeks. Arsenic increased the expression levels of SLC1A5 and β-catenin both in vivo and in vitro. SLC1A5 promoted cell proliferation and self-renewal by activating β-catenin, which in turn was dependent on maintaining GSH/ROS homeostasis. Our results suggest that SLC1A5 is a potential therapeutic target for arsenic-induced proliferation and self-renewal of uroepithelial cells.
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Affiliation(s)
- Sihao Li
- Health Sciences Institute, China Medical University, Shenyang, Liaoning Province, China
| | - Liang Pei
- Department of Pediatric, Shengjing Hospital of China Medical University, Shenyang, Liaoning Province, China
| | - Qing Zhou
- Department of Environmental and Occupational Health, School of Public Health, China Medical University, Shenyang, Liaoning Province, China
| | - Zhushan Fu
- Department of Environmental and Occupational Health, School of Public Health, China Medical University, Shenyang, Liaoning Province, China
| | - Lei Zhang
- Department of Environmental and Occupational Health, School of Public Health, China Medical University, Shenyang, Liaoning Province, China
| | - Pinya Liu
- Department of Environmental and Occupational Health, School of Public Health, China Medical University, Shenyang, Liaoning Province, China
| | - Nan Yan
- School of Medical Applied Technology, Shenyang Medical College, Shenyang, Liaoning Province, China
| | - Shuhua Xi
- Health Sciences Institute, China Medical University, Shenyang, Liaoning Province, China; Department of Environmental and Occupational Health, School of Public Health, China Medical University, Shenyang, Liaoning Province, China; School of Medical Applied Technology, Shenyang Medical College, Shenyang, Liaoning Province, China.
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37
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Rahmani A, Khamutian S, Doosti-Irani A, Saatchi O, Shokoohizadeh MJ. Arsenic level in drinking water, its correlation with water quality parameters, and associated health risks. ENVIRONMENTAL MONITORING AND ASSESSMENT 2023; 195:899. [PMID: 37380884 DOI: 10.1007/s10661-023-11486-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/09/2022] [Accepted: 06/08/2023] [Indexed: 06/30/2023]
Abstract
This study aimed to evaluate the occurrence and likelihood of health risks related to arsenic in drinking water of all counties of the Hamadan province in the northwest of Iran. In this work, 370 samples were collected from all of the water resources of urban and rural regions, during 5 years (2017 to 2021). Oracle Crystal Ball software was used to perform the Monte Carlo simulation and investigate the potential health risks. According to the results, the average values of arsenic in the nine counties were in the order Kabudarahang (40.1 ppb), Malayer (13.1 ppb), Nahavand (6.1 ppb), Bahar (2.05 ppb), Famenin (0.41 ppb), Asadabad (0.36 ppb), Tuyserkan (0.28 ppb), Razan (0.14 ppb), and Hamadan (< 0.1 ppb). The highest concentration of arsenic occurred in Kabudarahang with a maximum value of 185 ppb. In the spring season, the average concentration of the cations, including calcium, magnesium, sodium, lead, cadmium, and chromium, obtained 109.51 mg/l, 44.67 mg/l, 20.50 mg/l, 88.76 ppb, 0.31 ppb, and 0.02 ppb, respectively. Based on the Delphi classification, the P 90% of oral lifetime cancer risk, in Hamadan province, were within level II (low risk) to VII (extremely high risk). The risk analysis revealed there was a possible carcinogenic risk to humans from oral exposure to As-contaminated groundwater, especially in Kabudarahang county. Therefore, there is an urgent need for management and precise measures in contaminated areas to reduce and prevent the adverse health effects of arsenic.
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Affiliation(s)
- Alireza Rahmani
- Department of Environmental Health Engineering, School of Public Health, Research Centre for Health Sciences, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Samira Khamutian
- Department of Environmental Health Engineering, School of Public Health, Research Centre for Health Sciences, Hamadan University of Medical Sciences, Hamadan, Iran.
| | - Amin Doosti-Irani
- Department of Epidemiology, School of Public Health, Research Center for Health Sciences, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Omid Saatchi
- Department of Disease Prevention and Control, Deputy of Health, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Mohammad Javad Shokoohizadeh
- Department of Environmental Health Engineering, School of Public Health, Research Center for Environmental Determinants of Health (RCEDH), Kermanshah University of Medical Sciences, Kermanshah, Iran.
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Haberland VMM, Magin S, Iliakis G, Hartwig A. Impact of Manganese and Chromate on Specific DNA Double-Strand Break Repair Pathways. Int J Mol Sci 2023; 24:10392. [PMID: 37373538 DOI: 10.3390/ijms241210392] [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: 04/25/2023] [Revised: 06/01/2023] [Accepted: 06/05/2023] [Indexed: 06/29/2023] Open
Abstract
Manganese is an essential trace element; nevertheless, on conditions of overload, it becomes toxic, with neurotoxicity being the main concern. Chromate is a well-known human carcinogen. The underlying mechanisms seem to be oxidative stress as well as direct DNA damage in the case of chromate, but also interactions with DNA repair systems in both cases. However, the impact of manganese and chromate on DNA double-strand break (DSB) repair pathways is largely unknown. In the present study, we examined the induction of DSB as well as the effect on specific DNA DSB repair mechanisms, namely homologous recombination (HR), non-homologous end joining (NHEJ), single strand annealing (SSA), and microhomology-mediated end joining (MMEJ). We applied DSB repair pathway-specific reporter cell lines, pulsed field gel electrophoresis as well as gene expression analysis, and investigated the binding of specific DNA repair proteins via immunoflourescence. While manganese did not seem to induce DNA DSB and had no impact on NHEJ and MMEJ, HR and SSA were inhibited. In the case of chromate, the induction of DSB was further supported. Regarding DSB repair, no inhibition was seen in the case of NHEJ and SSA, but HR was diminished and MMEJ was activated in a pronounced manner. The results indicate a specific inhibition of error-free HR by manganese and chromate, with a shift towards error-prone DSB repair mechanisms in both cases. These observations suggest the induction of genomic instability and may explain the microsatellite instability involved in chromate-induced carcinogenicity.
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Affiliation(s)
- Vivien M M Haberland
- Department of Food Chemistry and Toxicology, Institute for Applied Biosciences, Karlsruhe Institute of Technology (KIT), 76131 Karlsruhe, Germany
| | - Simon Magin
- Institute of Medical Radiation Biology, Medical School, University of Duisburg-Essen, 45122 Essen, Germany
| | - George Iliakis
- Institute of Medical Radiation Biology, Medical School, University of Duisburg-Essen, 45122 Essen, Germany
| | - Andrea Hartwig
- Department of Food Chemistry and Toxicology, Institute for Applied Biosciences, Karlsruhe Institute of Technology (KIT), 76131 Karlsruhe, Germany
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39
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Chen N, Wu S, Pan B, Yang Z, Pan B. Engineering Nano-Au-Based Sensor Arrays for Identification of Multiple Ni(II) Complexes in Water Samples. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2023. [PMID: 37335829 DOI: 10.1021/acs.est.3c02273] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/21/2023]
Abstract
Advanced techniques for nickel (Ni(II)) removal from polluted waters have long been desired but challenged by the diversity of Ni(II) species (most in the form of complexes) which could not be readily discriminated by the traditional analytical protocols. Herein, a colorimetric sensor array is developed to address the above issue based on the shift of the UV-vis spectra of gold nanoparticles (Au NPs) after interaction with Ni(II) species. The sensor array is composed of three Au NP receptors modified by N-acetyl-l-cysteine (NAC), tributylhexadecylphosphonium bromide (THPB), and the mixture of 3-mercapto-1-propanesulfonic acid and adenosine monophosphate (MPS/AMP), to exhibit possible coordination, electrostatic attraction, and hydrophobic interaction toward different Ni(II) species. Twelve classical Ni(II) species were selected as targets to systematically demonstrate the applicability of the sensor array under various conditions. Multiple interactions with Ni(II) species were evidenced to trigger the diverse Au NP aggregation behaviors and subsequently produce a distinct colorimetric response toward each Ni(II) species. With the assistance of multivariate analysis, the Ni(II) species, either as the sole compound or as mixtures, can be unambiguously discriminated with high selectivity in simulated and real water samples. Moreover, the sensor array is very sensitive with the detection limit in the range of 4.2 to 10.5 μM for the target Ni(II) species. Principal component analysis signifies that coordination dominates the response of the sensor array toward different Ni(II) species. The accurate Ni(II) speciation provided by the sensor array is believed to assist the rational design of specific protocols for water decontamination and to shed new light on the development of convenient discrimination methods for other toxic metals of concern.
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Affiliation(s)
- Ningyi Chen
- State Key Laboratory of Pollution Control and Resource Reuse, School of Environment, Nanjing University, Nanjing 210023, China
- College of Environment, Zhejiang University of Technology, Hangzhou 310014, China
| | - Shuang Wu
- College of Environment, Zhejiang University of Technology, Hangzhou 310014, China
| | - Bingjun Pan
- College of Environment, Zhejiang University of Technology, Hangzhou 310014, China
| | - Zhichao Yang
- State Key Laboratory of Pollution Control and Resource Reuse, School of Environment, Nanjing University, Nanjing 210023, China
| | - Bingcai Pan
- State Key Laboratory of Pollution Control and Resource Reuse, School of Environment, Nanjing University, Nanjing 210023, China
- Research Center for Environmental Nanotechnology (ReCENT), Nanjing University, Nanjing 210023, China
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40
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Shen C, Zhang K, Yang J, Shi J, Yang C, Sun Y, Yang W. Association between metal(loid)s in serum and leukemia: a systematic review and meta-analysis. JOURNAL OF ENVIRONMENTAL HEALTH SCIENCE & ENGINEERING 2023; 21:201-213. [PMID: 37159736 PMCID: PMC10163180 DOI: 10.1007/s40201-023-00853-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/16/2022] [Revised: 01/14/2023] [Accepted: 01/25/2023] [Indexed: 05/11/2023]
Abstract
Purpose Heavy metals and metalloids are recognized as environmental threats, which are considered highly toxic and carcinogenic. Epidemiologically, their association with leukemia is under debate. We aim to clarify the association between the heavy metal(loid)s in serum and leukemia via a systematic review and meta-analysis. Methods We searched PubMed, Embase, Google Scholar, and CNKI (China National Knowledge Infrastructure) databases for all related articles. The standardized mean difference and its 95% confidence interval was used to evaluate the association of leukemia with heavy metal(loid)s in serum. The statistical heterogeneity among studies was assessed with the Q-test and I 2 statistics. Results Among 4,119 articles related to metal(loid)s and leukemia, 21 studies met our inclusion criteria, which are all cross-sectional studies. These 21 studies involved 1,316 cases and 1,310 controls, based on which we evaluate the association of heavy metals/metalloids in serum with leukemia. Our results indicated positive differences for serum chromium, nickel, and mercury in leukemia patients, while a negative difference for serum manganese in acute lymphocytic leukemia (ALL). Conclusion Our results suggested an elevated trend of serum chromium, nickel, and mercury concentrations in leukemia patients while descending trend of serum manganese concentration in ALL patients. The result of sensitivity analysis between lead, cadmium, and leukemia and publication bias of association between chromium and leukemia also needed attention. Future research work may focus on the dose-response relationship between any of these elements and the leukemia risks, and further elucidation of how these elements are related to leukemia may shed light on the prevention and treatment of leukemia. Supplementary Information The online version contains supplementary material available at 10.1007/s40201-023-00853-2.
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Affiliation(s)
- Chengchen Shen
- Department of Physiology, West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, 610041 Chengdu, Sichuan People’s Republic of China
| | - Kui Zhang
- Department of Forensic Pathology, West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, 610041 Chengdu, Sichuan People’s Republic of China
| | - Jingxuan Yang
- Department of Physiology, West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, 610041 Chengdu, Sichuan People’s Republic of China
| | - Jingyi Shi
- Department of Physiology, West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, 610041 Chengdu, Sichuan People’s Republic of China
| | - Chan Yang
- Department of Physiology, West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, 610041 Chengdu, Sichuan People’s Republic of China
| | - Yanan Sun
- Department of Physiology, West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, 610041 Chengdu, Sichuan People’s Republic of China
| | - Wenxing Yang
- Department of Physiology, West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, 610041 Chengdu, Sichuan People’s Republic of China
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Czaja AJ. Incorporating the Molecular Mimicry of Environmental Antigens into the Causality of Autoimmune Hepatitis. Dig Dis Sci 2023:10.1007/s10620-023-07967-5. [PMID: 37160542 PMCID: PMC10169207 DOI: 10.1007/s10620-023-07967-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/04/2023] [Accepted: 05/01/2023] [Indexed: 05/11/2023]
Abstract
Molecular mimicry between foreign and self-antigens has been implicated as a cause of autoimmune hepatitis in experimental models and cross-reacting antibodies in patients. This review describes the experimental and clinical evidence for molecular mimicry as a cause of autoimmune hepatitis, indicates the limitations and uncertainties of this premise, and encourages investigations that assess diverse environmental antigens as sources of disease-relevant molecular mimics. Pertinent articles were identified in PubMed using multiple search phrases. Several pathogens have linear or conformational epitopes that mimic the self-antigens of autoimmune hepatitis. The occurrence of an acute immune-mediated hepatitis after vaccination for severe acute respiratory syndrome (SARS)-associated coronavirus 2 (SARS-CoV-2) has suggested that vaccine-induced peptides may mimic disease-relevant tissue antigens. The intestinal microbiome is an under-evaluated source of gut-derived antigens that could also engage in molecular mimicry. Chaperone molecules may enhance the pathogenicity of molecular mimics, and they warrant investigation. Molecular mimics of immune dominant epitopes within cytochrome P450 IID6, the autoantigen most closely associated with autoimmune hepatitis, should be sought in diverse environmental antigens and assessed for pathogenicity. Avoidance strategies, dietary adjustments, vaccine improvement, and targeted manipulation of the intestinal microbiota may emerge as therapeutic possibilities. In conclusion, molecular mimicry may be a missing causality of autoimmune hepatitis. Molecular mimics of key immune dominant epitopes of disease-specific antigens must be sought in diverse environmental antigens. The ubiquity of molecular mimicry compels rigorous assessments of peptide mimics for immunogenicity and pathogenicity in experimental models. Molecular mimicry may complement epigenetic modifications as causative mechanisms of autoimmune hepatitis.
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Affiliation(s)
- Albert J Czaja
- Professor Emeritus of Medicine, Mayo Clinic College of Medicine and Science, 200 First Street SW, Rochester, MN, 55905, USA.
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Anjum A, Mazari SA, Hashmi Z, Jatoi AS, Abro R, Bhutto AW, Mubarak NM, Dehghani MH, Karri RR, Mahvi AH, Nasseri S. A review of novel green adsorbents as a sustainable alternative for the remediation of chromium (VI) from water environments. Heliyon 2023; 9:e15575. [PMID: 37153391 PMCID: PMC10160521 DOI: 10.1016/j.heliyon.2023.e15575] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2022] [Revised: 04/01/2023] [Accepted: 04/14/2023] [Indexed: 05/09/2023] Open
Abstract
The presence of heavy metal, chromium (VI), in water environments leads to various diseases in humans, such as cancer, lung tumors, and allergies. This review comparatively examines the use of several adsorbents, such as biosorbents, activated carbon, nanocomposites, and polyaniline (PANI), in terms of the operational parameters (initial chromium (VI) concentration (Co), temperature (T), pH, contact time (t), and adsorbent dosage) to achieve the Langmuir's maximum adsorption capacity (qm) for chromium (VI) adsorption. The study finds that the use of biosorbents (fruit bio-composite, fungus, leave, and oak bark char), activated carbons (HCl-treated dry fruit waste, polyethyleneimine (PEI) and potassium hydroxide (KOH) PEI-KOH alkali-treated rice waste-derived biochar, and KOH/hydrochloric acid (HCl) acid/base-treated commercial), iron-based nanocomposites, magnetic manganese-multiwalled carbon nanotubes nanocomposites, copper-based nanocomposites, graphene oxide functionalized amino acid, and PANI functionalized transition metal are effective in achieving high Langmuir's maximum adsorption capacity (qm) for chromium (VI) adsorption, and that operational parameters such as initial concentration, temperature, pH, contact time, and adsorbent dosage significantly affect the Langmuir's maximum adsorption capacity (qm). Magnetic graphene oxide functionalized amino acid showed the highest experimental and pseudo-second-order kinetic model equilibrium adsorption capacities. The iron oxide functionalized calcium carbonate (IO@CaCO3) nanocomposites showed the highest heterogeneous adsorption capacity. Additionally, Syzygium cumini bark biosorbent is highly effective in treating tannery industrial wastewater with high levels of chromium (VI).
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Affiliation(s)
- Amna Anjum
- Department of Chemical Engineering, Dawood University of Engineering and Technology, Karachi, 74800, Pakistan
| | - Shaukat Ali Mazari
- Department of Chemical Engineering, Dawood University of Engineering and Technology, Karachi, 74800, Pakistan
- Corresponding author.
| | - Zubair Hashmi
- Department of Chemical Engineering, Dawood University of Engineering and Technology, Karachi, 74800, Pakistan
| | - Abdul Sattar Jatoi
- Department of Chemical Engineering, Dawood University of Engineering and Technology, Karachi, 74800, Pakistan
| | - Rashid Abro
- Department of Chemical Engineering, Dawood University of Engineering and Technology, Karachi, 74800, Pakistan
| | - Abdul Waheed Bhutto
- Department of Chemical Engineering, Dawood University of Engineering and Technology, Karachi, 74800, Pakistan
| | - Nabisab Mujawar Mubarak
- Petroleum and Chemical Engineering, Faculty of Engineering, Universiti Teknologi Brunei, Bandar Seri Begawan, BE1410, Brunei Darussalam
- Corresponding author.
| | - Mohammad Hadi Dehghani
- Department of Environmental Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
- Center for Water Quality Research, Institute for Environmental Research, Tehran University of Medical Sciences, Tehran, Iran
- Institute for Environmental Research, Center for Solid Waste Research, Tehran University of Medical Sciences, Tehran, Iran
- Corresponding author. Department of Environmental Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran.
| | - Rama Rao Karri
- Petroleum and Chemical Engineering, Faculty of Engineering, Universiti Teknologi Brunei, Bandar Seri Begawan, BE1410, Brunei Darussalam
| | - Amir Hossein Mahvi
- Department of Environmental Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
- Institute for Environmental Research, Center for Solid Waste Research, Tehran University of Medical Sciences, Tehran, Iran
| | - Simin Nasseri
- Department of Environmental Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
- Center for Water Quality Research, Institute for Environmental Research, Tehran University of Medical Sciences, Tehran, Iran
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Kang Y, Zhang Q, Feng YX, Yang L, Yu XZ. Exogenous proline activated an integrated response of NER and HR pathways to reduce DNA damage in rice seedlings under chromium stress. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:51792-51803. [PMID: 36820975 DOI: 10.1007/s11356-023-26009-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/09/2022] [Accepted: 02/14/2023] [Indexed: 06/18/2023]
Abstract
The DNA damage induced by hexavalent chromium [Cr(VI)] pollutant causes a genotoxic effect on rice seedlings. Hereby, we examined the effects of exogenous proline (Pro) on the alleviation of DNA damage in rice seedlings under different effective concentrations of Cr(VI). Our results revealed that Cr(VI) stress induced reactive oxygen species (ROS), i.e., H2O2 and O2·- accumulation in rice seedlings, repressed genes expression activated in the homologous recombination (HR) and nucleotide excision repair (NER) pathways, and caused DNA damage. Exogenous application of Pro increased Cr accumulation in rice roots, but decreased Cr accumulation in rice shoots, wherein Pro application decreased ROS accumulation in both tissues of rice seedlings. The comet assays suggested that exogenous application of Pro significantly alleviated the DNA damage in rice seedlings during Cr(VI) treatments, judged by the Olive tail moment and tail DNA. Transcriptional assays revealed that exogenous Pro upregulated the expression level of genes associated with the HR and NER pathways and triggered coordinated actions of both repairing pathways to modulate DNA lesion in rice plants during exposure to Cr(VI). Calculations from gene expression variation factors showed that regulative effect of exogenous application of Pro on DNA repair pathways was highly activated at 2.0 mg Cr/L. The current study revealed that Cr(VI) affect rice plants and exogenous Pro rescue these effects by the activation of HR and NER pathways.
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Affiliation(s)
- Yi Kang
- The Guangxi Key Laboratory of Theory & Technology for Environmental Pollution Control, College of Environmental Science & Engineering, Guilin University of Technology|, Guilin, 541004, People's Republic of China
| | - Qing Zhang
- The Guangxi Key Laboratory of Theory & Technology for Environmental Pollution Control, College of Environmental Science & Engineering, Guilin University of Technology|, Guilin, 541004, People's Republic of China
| | - Yu-Xi Feng
- The Guangxi Key Laboratory of Theory & Technology for Environmental Pollution Control, College of Environmental Science & Engineering, Guilin University of Technology|, Guilin, 541004, People's Republic of China
| | - Li Yang
- The Guangxi Key Laboratory of Theory & Technology for Environmental Pollution Control, College of Environmental Science & Engineering, Guilin University of Technology|, Guilin, 541004, People's Republic of China
| | - Xiao-Zhang Yu
- The Guangxi Key Laboratory of Theory & Technology for Environmental Pollution Control, College of Environmental Science & Engineering, Guilin University of Technology|, Guilin, 541004, People's Republic of China.
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Caini S, Cozzolino F, Saieva C, Aprea MC, De Bonfioli Cavalcabo' N, Ermini I, Assedi M, Biagiotti D, Trane C, Facchini L, Bendinelli B, Palli D, Masala G. Serum heavy metals and breast cancer risk: A case-control study nested in the Florence cohort of the EPIC (European Prospective Investigation into Cancer and nutrition) study. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 861:160568. [PMID: 36464039 DOI: 10.1016/j.scitotenv.2022.160568] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Revised: 11/25/2022] [Accepted: 11/25/2022] [Indexed: 06/17/2023]
Abstract
BACKGROUND Chronic exposure to heavy metals is of concern for its potential carcinogenic effect. An association with increased breast cancer (BC) risk was hypothesized, but literature data are conflicting and the question remains unresolved. We aimed to investigate the association between heavy metals and BC risk in a case-control study nested within the Florence section of the EPIC (European Prospective Investigation into Cancer and nutrition) cohort. METHODS We included 150 BC cases and an equal number of controls individually matched to cases by age and year of enrolment. In order to avoid confounding by smoking, the study was restricted to never smokers. Serum levels of six heavy metals (Cd, Co, Cr, Mn, Pb, and Tl) were quantified in pre-diagnostic samples using inductively coupled plasma mass spectrometry. Odds ratios (ORs) and corresponding 95 % confidence intervals (CI) were calculated via multivariable conditional logistic regression models. RESULTS Serum levels of cobalt were inversely associated with BC risk (OR for the comparison of 3rd vs. 1st tertiles: 0.33, 95 % CI 0.12-0.91, p-value 0.033). None of the other heavy metals under study was significantly associated with BC risk in multivariable models. For Cd, Cr, and Tl, over half of the study participants had serum levels below the limit of quantitation. CONCLUSIONS Our results do not support the hypothesis that exposure to heavy metals is associated with an increased BC risk among never smokers from the general population. The inverse association between cobalt serum levels and BC risk requires confirmation in future studies.
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Affiliation(s)
- Saverio Caini
- Cancer Risk Factors and Lifestyle Epidemiology Unit, Institute for Cancer Research, Prevention and Clinical Network (ISPRO), Via Cosimo Il Vecchio 2, 50139 Florence, Italy.
| | - Flavia Cozzolino
- Cancer Risk Factors and Lifestyle Epidemiology Unit, Institute for Cancer Research, Prevention and Clinical Network (ISPRO), Via Cosimo Il Vecchio 2, 50139 Florence, Italy.
| | - Calogero Saieva
- Cancer Risk Factors and Lifestyle Epidemiology Unit, Institute for Cancer Research, Prevention and Clinical Network (ISPRO), Via Cosimo Il Vecchio 2, 50139 Florence, Italy.
| | - Maria Cristina Aprea
- Unit of Occupational and Environmental Toxicology - Public Health Laboratory, Department of Prevention, AUSL South-East Tuscany, Strada del Ruffolo 4, 53100 Siena, Italy.
| | - Nora De Bonfioli Cavalcabo'
- Cancer Risk Factors and Lifestyle Epidemiology Unit, Institute for Cancer Research, Prevention and Clinical Network (ISPRO), Via Cosimo Il Vecchio 2, 50139 Florence, Italy.
| | - Ilaria Ermini
- Cancer Risk Factors and Lifestyle Epidemiology Unit, Institute for Cancer Research, Prevention and Clinical Network (ISPRO), Via Cosimo Il Vecchio 2, 50139 Florence, Italy.
| | - Melania Assedi
- Cancer Risk Factors and Lifestyle Epidemiology Unit, Institute for Cancer Research, Prevention and Clinical Network (ISPRO), Via Cosimo Il Vecchio 2, 50139 Florence, Italy.
| | - Davide Biagiotti
- Cancer Risk Factors and Lifestyle Epidemiology Unit, Institute for Cancer Research, Prevention and Clinical Network (ISPRO), Via Cosimo Il Vecchio 2, 50139 Florence, Italy.
| | - Cinzia Trane
- Public Health Laboratory, Department of Technical Health Professions, Rehabilitation and Prevention, AUSL South-East Tuscany, Strada del Ruffolo 4, 53100 Siena, Italy.
| | - Luigi Facchini
- Cancer Risk Factors and Lifestyle Epidemiology Unit, Institute for Cancer Research, Prevention and Clinical Network (ISPRO), Via Cosimo Il Vecchio 2, 50139 Florence, Italy.
| | - Benedetta Bendinelli
- Cancer Risk Factors and Lifestyle Epidemiology Unit, Institute for Cancer Research, Prevention and Clinical Network (ISPRO), Via Cosimo Il Vecchio 2, 50139 Florence, Italy.
| | - Domenico Palli
- Cancer Risk Factors and Lifestyle Epidemiology Unit, Institute for Cancer Research, Prevention and Clinical Network (ISPRO), Via Cosimo Il Vecchio 2, 50139 Florence, Italy.
| | - Giovanna Masala
- Clinical Epidemiology Unit, Institute for Cancer Research, Prevention and Clinical Network (ISPRO), Via Cosimo Il Vecchio 2, 50139 Florence, Italy.
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Sánchez LM, Lacave HM, Ubios M ÁM, Bozal CB. Exposure of suckling rats to hexavalent chromium (CrVI) alters bone formation at the base of the alveolus causing a delay in tooth eruption. J Oral Biosci 2023; 65:195-201. [PMID: 36822318 DOI: 10.1016/j.job.2023.02.003] [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: 02/24/2022] [Revised: 02/10/2023] [Accepted: 02/17/2023] [Indexed: 02/23/2023]
Abstract
OBJECTIVES Hexavalent chromium (CrVI)-exposure of suckling rats has been shown to delay tooth eruption. However, the effects of CrVI-exposure on bone formation at the base of the alveolus, which provides a motive force for tooth eruption in the early stages of the process, remain unknown. The present work sought to evaluate the effect of CrVI-exposure on bone formation at the base of the alveolus during the intraosseous stage of tooth eruption in suckling rats, using histomorphometric and immunohistochemical studies. METHODS Experimental animals received 12.5 mg/kg-bw/day of potassium dichromate dissolved in saline solution by gavage starting on day 4 of the experiment; controls similarly received an equivalent volume of saline. All the animals were euthanized at the age of 9 days. The base of the developing alveolus at the level of the mesial root of the first lower molar was analyzed histomorphometrically and immunohistochemically. Data were statistically analyzed using student's t-test, with statistical significance set at p <0.05. RESULTS CrVI-exposed animals showed lower bone volume and height at the base of the alveolus, a significant preponderance of bone rest on the surface adjacent to the dental follicle, and a significantly lower percentage of positive Runt-related transcription factor-2 (RUNX2+) osteoblasts and a significantly higher number of mesenchymal-like RUNX2+ cells at the latter site. CONCLUSION CrVI-exposure during lactation affects bone formation at the base of the developing alveolus, delaying tooth eruption. These findings underscore the importance of controlling drinking water levels of toxic substances since their effects can alter the growth and development of individuals exposed during early childhood.
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Affiliation(s)
- Luciana Marina Sánchez
- Universidad de Buenos Aires, Facultad de Odontología, Cátedra de Histología y Embriología Buenos Aires, Argentina.
| | - Ht Mariela Lacave
- Universidad de Buenos Aires, Facultad de Odontología, Cátedra de Histología y Embriología Buenos Aires, Argentina
| | - Ángela Matilde Ubios M
- Universidad de Buenos Aires, Facultad de Odontología, Cátedra de Histología y Embriología Buenos Aires, Argentina
| | - Carola Bettina Bozal
- Universidad de Buenos Aires, Facultad de Odontología, Cátedra de Histología y Embriología Buenos Aires, Argentina
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46
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Sturla Lompré J, De Marchi L, Pinto J, Soares AMVM, Pretti C, Chielini F, Pereira E, Freitas R. Effects of Carbon Nanoparticles and Chromium Combined Exposure in Native ( Ruditapes decussatus) and Invasive ( Ruditapes philippinarum) Clams. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:nano13040690. [PMID: 36839058 PMCID: PMC9963187 DOI: 10.3390/nano13040690] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Revised: 02/03/2023] [Accepted: 02/08/2023] [Indexed: 05/23/2023]
Abstract
Studies have described the occurrence of nanoparticles (NPs) in aquatic ecosystems, with particular attention to the widely commercialized carbon nanotubes (CNTs). Their presence in the environment raises concerns, especially regarding their toxicity when co-occurring with other pollutants such as metals. In the present study, changes to the metabolic capacity, oxidative, and neurologic status were evaluated in the presence of carboxylated multi-walled CNTs and chromium (Cr(III)) using two of the most ecologically and economically relevant filter feeder organisms: the clam species Ruditapes decussatus and R. philippinarum. Results indicated that although Cr, either alone or in combination with CNTs, was found in a similar concentration level in both species, a species-specific Cr accumulation was observed, with higher values in R. decussatus in comparison with R. philippinarum. Inhibition of antioxidant defenses and neurotoxic effects were detected only in R. philippinarum. The interaction between contaminants seems to have no effect in terms of antioxidant enzyme activities and neuro status. Nevertheless, synergistic activation of responses to both contaminants may have altered the metabolic capacity of bivalves, particularly evident in R. decussatus. While both clams are tolerant to both contaminants (alone and together), they showed a relevant accumulation capacity, which may represent a possible contaminant transfer to humans.
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Affiliation(s)
- Julieta Sturla Lompré
- Center for the Study of Marine Systems (CESIMAR-CONICET), National Patagonian Center, Bv. Almte Brown 2915, Puerto Madryn 9120, Argentina
- Department of Biology & CESAM, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Lucia De Marchi
- Department of Biology & CESAM, University of Aveiro, 3810-193 Aveiro, Portugal
| | - João Pinto
- Department of Chemistry and LAQV-REQUIMTE, University of Aveiro, 3810-193 Aveiro, Portugal
| | | | - Carlo Pretti
- Interuniversity Consortium of Marine Biology of Leghorn “G. Bacci”, 57128 Livorno, Italy
| | - Federica Chielini
- Department of Chemistry and Industrial Chemistry, University of Pisa, Udr INSTM Pisa, 56126 Pisa, Italy
| | - Eduarda Pereira
- Department of Chemistry and LAQV-REQUIMTE, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Rosa Freitas
- Department of Biology & CESAM, University of Aveiro, 3810-193 Aveiro, Portugal
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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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Ren J, Wang B, Li L, Li S, Ma Y, Su L, Liu G, Liu Y, Dai Y. Glutathione ameliorates the meiotic defects of copper exposed ovine oocytes via inhibiting the mitochondrial dysfunctions. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 251:114530. [PMID: 36630773 DOI: 10.1016/j.ecoenv.2023.114530] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/24/2022] [Revised: 12/13/2022] [Accepted: 01/07/2023] [Indexed: 05/28/2023]
Abstract
Regardless of the essential role of copper (Cu) in the physiological regulation process of mammalian reproduction, excessive exposure to Cu triggers the meiotic defects of porcine oocytes via compromising the mitochondrial functions. However, the connections between the excessive Cu exposure and meiotic defects of ovine oocytes have not been reported. In this study, the effect of copper sulfate (CuSO4) exposure on the meiotic potentials of ovine oocytes was analyzed. Subsequently, the ameliorative effect of glutathione (GSH) supplementation on the meiotic defects of CuSO4 exposed ovine oocytes was investigated. For these purposes, the in vitro maturation (IVM) of ovine cumulus oocyte complexes (COCs) was conducted in the presence of 5, 10, 20 and 40 μg/mL of CuSO4 supplementation. Subsequently, different concentrations of GSH (2, 4 and 8 mM) were added to the IVM medium containing CuSO4 solution. After IVM, the assay, including nuclear maturation, spindle organization, chromosome alignment, cytoskeleton assembly, cortical granule (CGs) dynamics, mitochondrial function, reactive oxygen species (ROS) generation, apoptosis, epigenetic modification and fertilization capacity of ovine oocytes were performed. The results showed that excessive Cu exposure triggered the meiotic defects of ovine oocytes via promoting the mitochondrial dysfunction related oxidative stress damage. Moreover, the GSH supplementation, not only ameliorated the decreased maturation potential and fertilization defect of CuSO4 exposed oocytes, but inhibited the mitochondrial dysfunction related oxidative stress damage, ROS generation, apoptosis and altered H3K27me3 expression in the CuSO4 exposed oocytes. Combined with the gene expression pattern, the finding in the present study provided fundamental bases for the ameliorative effect of GSH supplementation on the meiotic defects of CuSO4 exposed oocytes via inhibiting the mitochondrial dysfunctions, further benefiting these potential applications of GSH supplementation in the mammalian IVM system and livestock breeding suffering from the excessive Cu exposure.
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Affiliation(s)
- Jingyu Ren
- College of Life Science, Inner Mongolia University, No. 235 West Univ. Road, Hohhot, Zip Code: 010021, Inner Mongolia, China
| | - Biao Wang
- Animal Husbandry Institute, Inner Mongolia Academy of Agricultural & Animal Husbandry Sciences, No. 22 Zhaowuda Road, Hohhot, Zip Code: 010031, Inner Mongolia, China
| | - Liping Li
- College of Life Science, Inner Mongolia University, No. 235 West Univ. Road, Hohhot, Zip Code: 010021, Inner Mongolia, China
| | - Shubin Li
- Center of Reproductive Medicine, Inner Mongolia People's Hospital, No. 20 Zhaowuda Road, Hohhot, Zip Code: 010021, Inner Mongolia, China
| | - Yuzhen Ma
- Center of Reproductive Medicine, Inner Mongolia People's Hospital, No. 20 Zhaowuda Road, Hohhot, Zip Code: 010021, Inner Mongolia, China
| | - Liya Su
- Key Laboratory of Medical Cell Biology, Clinical Medicine Research Center, Affiliated Hospital of Inner Mongolia Medical University, No. 1 Tongdao North Street, Hohhot, Zip Code: 010050, Inner Mongolia, China
| | - Gang Liu
- Key Laboratory of Medical Cell Biology, Clinical Medicine Research Center, Affiliated Hospital of Inner Mongolia Medical University, No. 1 Tongdao North Street, Hohhot, Zip Code: 010050, Inner Mongolia, China.
| | - Yongbin Liu
- College of Life Science, Inner Mongolia University, No. 235 West Univ. Road, Hohhot, Zip Code: 010021, Inner Mongolia, China.
| | - Yanfeng Dai
- College of Life Science, Inner Mongolia University, No. 235 West Univ. Road, Hohhot, Zip Code: 010021, Inner Mongolia, China.
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Preethi R, Singh S. Ga based Sillenite-TiO 2 composite for efficient sunlight induced photo reduction of Cr (VI) and photo degradation of ampicillin. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2023; 326:116831. [PMID: 36436248 DOI: 10.1016/j.jenvman.2022.116831] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Revised: 11/14/2022] [Accepted: 11/17/2022] [Indexed: 06/16/2023]
Abstract
This work reports the design and development of an efficient sillenite based visible light photoactive Bi24Ga2O39-TiO2 (BGT) heterostructure. Structural and morphological studies based on X-ray diffraction (XRD) and high-resolution scanning electron microscopy (HRSEM) confirm the formation of combined phase as well the overall morphology of composite BGT. Additionally, X-ray photoelectron spectroscopy (XPS) results confirm the presence of Bi3+, Ga3+, Ti4+ & O2-. The composite exhibits a shift in the absorbance edge towards visible region of electromagnetic spectrum when compared to that of TiO2. Suitable band edge positions in the composite facilitate the formation of type-1 heterojunction enhancing visible light photocatalytic property. The photocatalytic activity is evident from photo reduction of Cr (VI) (95% reduction in 180 min). The composite also plays an improved and effective role in the degradation of persistent drug ampicillin-cloxacillin (AMC) with a rate constant of 0.02 min-1. Photocatalytic experiments conducted at different pH values showed higher performance at lower pH ∼3. Trapping experiments performed on the sample confirm the role of holes as the main active species during photocatalysis. Appreciable recyclability of BGT composite was noted with respect to AMC drug degradation.
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Affiliation(s)
- Raja Preethi
- Crystal Growth Centre, Anna University, Alagappa College of Technology (AcTech) Campus, Chennai, 600025, Tamil Nadu, India
| | - Shubra Singh
- Crystal Growth Centre, Anna University, Alagappa College of Technology (AcTech) Campus, Chennai, 600025, Tamil Nadu, India.
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50
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Bertinato J, Griffin P. A low chromium diet increases body fat, energy intake and circulating triglycerides and insulin in male and female rats fed a moderately high-fat, high-sucrose diet from peripuberty to young adult age. PLoS One 2023; 18:e0281019. [PMID: 36701335 PMCID: PMC9879406 DOI: 10.1371/journal.pone.0281019] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Accepted: 01/12/2023] [Indexed: 01/27/2023] Open
Abstract
Trivalent chromium (Cr) may function to potentiate the action of insulin, but the effects of chromium intakes on metabolic parameters are unclear. Cr is listed as a potentially beneficial element for rodents based on studies that show feeding low quantities affect glucose metabolism. Cr is recommended at 1 mg per kg in rodent diets. This study examined the effects of different levels of dietary Cr on body weight, body composition, energy intake, food efficiency and metabolic parameters of lipid and glucose metabolism in male and female rats when fed from peripuberty to young adult age in the background of a moderately high-fat, high-sucrose diet. Sprague-Dawley CD rats (n = 10 males and 10 females/group) at 35 days of age were assigned by weight to the low (LCr, 0.33 ± 0.06 mg/kg), normal (NCr, 1.20 ± 0.11 mg/kg) or high (HCr, 9.15 ± 0.65 mg/kg) Cr diets. Diets were fed ad libitum for 12 weeks (83 days). At baseline, body weights and composition were similar (p≥0.05) among diet groups. Compared to the NCr group, the LCr group weighed more (p<0.01) and consumed more energy (food) from Day 56 onwards, but food efficiency was unaffected. Following an oral glucose challenge (Day 77), dietary chromium levels did not affect plasma glucose, but fasting plasma insulin and insulin at 30 and 60 min after dosing were higher in the LCr group compared to the NCr group. At the end of the study, whole-body fat, accrued body fat from baseline and fasting serum triglycerides were higher in the LCr group compared to the NCr group. Effects were similar in both sexes and not observed in the HCr group. These data show that low dietary Cr affects metabolic parameters common in chronic diseases underscoring the need for clinical trials to define the nutritional and/or pharmacological effects of Cr.
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Affiliation(s)
- Jesse Bertinato
- Nutrition Research Division, Bureau of Nutritional Sciences, Health Products and Food Branch, Health Canada, Ottawa, Ontario, Canada
- Department of Biochemistry, Microbiology and Immunology, University of Ottawa, Ottawa, Ontario, Canada
- * E-mail:
| | - Philip Griffin
- Nutrition Research Division, Bureau of Nutritional Sciences, Health Products and Food Branch, Health Canada, Ottawa, Ontario, Canada
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