1
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Harshitha P, Bose K, Dsouza HS. Influence of lead-induced toxicity on the inflammatory cytokines. Toxicology 2024; 503:153771. [PMID: 38452865 DOI: 10.1016/j.tox.2024.153771] [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: 01/24/2024] [Revised: 02/29/2024] [Accepted: 03/03/2024] [Indexed: 03/09/2024]
Abstract
Lead (Pb2+) is a hazardous heavy metal that is pervasive in the human environment as a result of anthropogenic activity, and poses serious health risks, particularly in children. Due to its innumerable unique physical and chemical properties, it has various applications; therefore, it has become a common environmental pollutant. Lead may cause oxidative stress, and accumulating evidence indicates that oxidative stress influences the pathophysiology of lead poisoning, also called plumbism. The immune system is continually exposed to various environmental pathogens and xenobiotics, including heavy metals such as lead, and appears to be one of the most vulnerable targets. After being exposed to lead, cells are subjected to oxidative stress as a result of reactive oxygen species (ROS) production. When the generation and consumption of ROS are out of equilibrium, various cell structures, particularly phospholipids are disrupted leading to lipid peroxidation. Various inflammatory signalling pathways are activated as a consequence, along with reduced disease resistance, inflammation, autoimmunity, sensitization and disruption of the cell-mediated and humoral immune systems. Lead negatively affects the metabolism of cytokines, including the interleukins IL-2, IL-1b, IL-6, IL-4, IL-8, tumor necrosis factor-alpha (TNF-α), and interferon-gamma (IFN), as well as the expression and functioning of inflammatory enzymes such as cyclooxygenases. However, the cause of toxicity depends on the kind of lead, dosage, route of entry, exposure period, age, host and genetic predisposition.
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Affiliation(s)
- P Harshitha
- Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal, Karnataka 576104, India
| | - Kalpita Bose
- Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal, Karnataka 576104, India
| | - Herman Sunil Dsouza
- Department of Radiation Biology and Toxicology, Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal, Karnataka 576104, India.
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2
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Chen Z, Huo X, Zhang S, Cheng Z, Huang Y, Xu X. Relations of blood lead levels to echocardiographic left ventricular structure and function in preschool children. CHEMOSPHERE 2021; 268:128793. [PMID: 33143894 DOI: 10.1016/j.chemosphere.2020.128793] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/22/2020] [Revised: 10/24/2020] [Accepted: 10/25/2020] [Indexed: 02/05/2023]
Abstract
Lead (Pb) has been proved to exert adverse effect on human cardiovascular system. However, the cardiotoxicity of Pb on children is still unclear. The aim of this study was to evaluate left ventricular (LV) structure and function, by using echocardiographic indices, in order to elucidate the effect of Pb on low-grade inflammation related to left ventricle in healthy preschool children. We recruited a total of 486 preschool children, 310 from Guiyu (e-waste-exposed area) and 176 from Haojiang (reference area). Blood Pb levels, complete blood counts, and LV parameters were evaluated. Associations between blood Pb levels and LV parameters and peripheral leukocyte counts were analyzed using linear regression models. The median blood level of Pb and the counts of white blood cells (WBCs), monocytes, and neutrophils were higher in exposed group. In addition, the exposed group showed smaller left ventricle (including interventricular septum, LV posterior wall, and LV mass index) and impaired LV systolic function (including LV fractional shortening and LV ejection fraction) regardless gender. After adjustment for confounding factors, elevated blood Pb levels were significantly associated with higher counts of WBCs and neutrophils, and lower levels of LV parameters. Furthermore, counts of WBCs, monocytes, and neutrophils were negatively correlated with LV parameters. Taken together, smaller left ventricle and impaired systolic function were found in e-waste-exposed children and associated with chronic low-grade inflammation and elevated blood Pb levels. It indicates that the heart health of e-waste-exposed children is at risk due to the long-term environmental chemical insults.
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Affiliation(s)
- Zihan Chen
- Laboratory of Environmental Medicine and Developmental Toxicology, Shantou University Medical College, Shantou, 515041, Guangdong, China
| | - Xia Huo
- Laboratory of Environmental Medicine and Developmental Toxicology, Guangdong Key Laboratory of Environmental Pollution and Health, School of Environment, Jinan University, Guangzhou, 511443, Guangdong, China
| | - Shaocheng Zhang
- Laboratory of Environmental Medicine and Developmental Toxicology, Shantou University Medical College, Shantou, 515041, Guangdong, China
| | - Zhiheng Cheng
- Laboratory of Environmental Medicine and Developmental Toxicology, Shantou University Medical College, Shantou, 515041, Guangdong, China; Department of Pathology and Medical Biology, University of Groningen, University Medical Center Groningen, Hanzeplein 1, 9713 GZ Groningen, the Netherlands
| | - Yu Huang
- Laboratory of Environmental Medicine and Developmental Toxicology, Shantou University Medical College, Shantou, 515041, Guangdong, China
| | - Xijin Xu
- Laboratory of Environmental Medicine and Developmental Toxicology, Shantou University Medical College, Shantou, 515041, Guangdong, China; Department of Cell Biology and Genetics, Shantou University Medical College, Shantou, 515041, Guangdong, China.
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3
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Metryka E, Kupnicka P, Kapczuk P, Simińska D, Tarnowski M, Goschorska M, Gutowska I, Chlubek D, Baranowska-Bosiacka I. Lead (Pb) as a Factor Initiating and Potentiating Inflammation in Human THP-1 Macrophages. Int J Mol Sci 2020; 21:ijms21062254. [PMID: 32214022 PMCID: PMC7139839 DOI: 10.3390/ijms21062254] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2020] [Revised: 03/12/2020] [Accepted: 03/21/2020] [Indexed: 01/03/2023] Open
Abstract
The aim of this study was to assess the influence of lead (Pb) at low concentrations (imitating Pb levels in human blood in chronic environmental exposure to this metal) on interleukin 1β (IL-1β) and interleukin 6 (IL-6) concentrations and the activity and expression of COX-1 and COX-2 in THP-1 macrophages. Macrophages were cultured in vitro in the presence of Pb at concentrations of: 1.25 μg/dL; 2.5 μg/dL; 5 μg/dL; 10 μg/dL. The first two concentrations of Pb were selected on the basis of our earlier study, which showed that Pb concentration in whole blood (PbB) of young women living in the northern regions of Poland and in the cord blood of their newborn children was within this range (a dose imitating environmental exposure). Concentrations of 5 μg/dL and 10 μg/dL correspond to the previously permissible PbB concentrations in children or pregnant women, and adults. Our results indicate that even low concentrations of Pb cause an increase in production of inflammatory interleukins (IL-1β and IL-6), increases expression of COX-1 and COX-2, and increases thromboxane B2 and prostaglandin E2 concentration in macrophages. This clearly suggests that the development of inflammation is associated not only with COX-2 but also with COX-1, which, until recently, had only been attributed constitutive expression. It can be concluded that environmental Pb concentrations are able to activate the monocytes/macrophages similarly to the manner observed during inflammation.
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Affiliation(s)
- Emilia Metryka
- Department of Biochemistry and Medical Chemistry, Pomeranian Medical University in Szczecin, Powstańców Wlkp. 72 Str., 70-111 Szczecin, Poland; (E.M.); (P.K.); (P.K.); (D.S.); (M.G.); (D.C.)
| | - Patrycja Kupnicka
- Department of Biochemistry and Medical Chemistry, Pomeranian Medical University in Szczecin, Powstańców Wlkp. 72 Str., 70-111 Szczecin, Poland; (E.M.); (P.K.); (P.K.); (D.S.); (M.G.); (D.C.)
| | - Patrycja Kapczuk
- Department of Biochemistry and Medical Chemistry, Pomeranian Medical University in Szczecin, Powstańców Wlkp. 72 Str., 70-111 Szczecin, Poland; (E.M.); (P.K.); (P.K.); (D.S.); (M.G.); (D.C.)
| | - Donata Simińska
- Department of Biochemistry and Medical Chemistry, Pomeranian Medical University in Szczecin, Powstańców Wlkp. 72 Str., 70-111 Szczecin, Poland; (E.M.); (P.K.); (P.K.); (D.S.); (M.G.); (D.C.)
| | - Maciej Tarnowski
- Department of Physiology, Pomeranian Medical University in Szczecin, Powstańców Wlkp. 72 Str., 70-111 Szczecin, Poland;
| | - Marta Goschorska
- Department of Biochemistry and Medical Chemistry, Pomeranian Medical University in Szczecin, Powstańców Wlkp. 72 Str., 70-111 Szczecin, Poland; (E.M.); (P.K.); (P.K.); (D.S.); (M.G.); (D.C.)
| | - Izabela Gutowska
- Department of Medical Chemistry, Pomeranian Medical University in Szczecin, Powstańców Wlkp. 72, 70-111, Poland;
| | - Dariusz Chlubek
- Department of Biochemistry and Medical Chemistry, Pomeranian Medical University in Szczecin, Powstańców Wlkp. 72 Str., 70-111 Szczecin, Poland; (E.M.); (P.K.); (P.K.); (D.S.); (M.G.); (D.C.)
| | - Irena Baranowska-Bosiacka
- Department of Biochemistry and Medical Chemistry, Pomeranian Medical University in Szczecin, Powstańców Wlkp. 72 Str., 70-111 Szczecin, Poland; (E.M.); (P.K.); (P.K.); (D.S.); (M.G.); (D.C.)
- Correspondence:
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4
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Machoń-Grecka A, Dobrakowski M, Kasperczyk A, Birkner E, Kasperczyk S. Angiogenesis and lead (Pb): is there a connection? Drug Chem Toxicol 2020; 45:589-593. [PMID: 32126859 DOI: 10.1080/01480545.2020.1734607] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
Lead (Pb) is a toxic heavy metal ubiquitously distributed around the world, especially in industrial areas. Occupational and environmental exposures to Pb have detrimental effects on human health. Pb affects functioning of many systems of the human body, including the cardiovascular system. Angiogenesis, the process of new blood vessel formation, which makes critical contribution throughout life is deranged in various diseases. Excessive angiogenesis may result in different diseases including cancer. On the other spectrum, insufficient angiogenesis is observed in many diseases, such as atherosclerosis, hypertension, and cardiovascular disease. These disorders are also associated with occupational Pb exposure. In this paper, epidemiological and experimental studies are reviewed selectively for evidence in support of this hypothesis, that is, interactions between Pb and angiogenesis. We discuss the evidence for the possible mechanism of Pb impact on concentrations of angiogenic factors. Studies suggested that Pb exposure affects the level of angiogenic factors associated with angiogenesis regulation and promotion. Further research is needed, especially in the mechanisms in which Pb-induced vascular endothelial growth factor (VEGF) disregulation is present. We believe that characterizing the connection between Pb and angiogenesis will provide helpful information for the development of intervention strategies to reduce the adverse effects of Pb exposure.
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Affiliation(s)
- Anna Machoń-Grecka
- Department of Biochemistry, School of Medicine with the Division of Dentistry, Medical University of Silesia in Katowice, Zabrze, Poland
| | - Michał Dobrakowski
- Department of Biochemistry, School of Medicine with the Division of Dentistry, Medical University of Silesia in Katowice, Zabrze, Poland
| | - Aleksandra Kasperczyk
- Department of Biochemistry, School of Medicine with the Division of Dentistry, Medical University of Silesia in Katowice, Zabrze, Poland
| | - Ewa Birkner
- Department of Biochemistry, School of Medicine with the Division of Dentistry, Medical University of Silesia in Katowice, Zabrze, Poland
| | - Sławomir Kasperczyk
- Department of Biochemistry, School of Medicine with the Division of Dentistry, Medical University of Silesia in Katowice, Zabrze, Poland
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5
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Wong JH, Wang YS, Nam S, Ho KH, Chang CM, Chen KC, Chen YF, Chang WC. Phthalate plasticizer di(2-ethyl-hexyl) phthalate induces cyclooxygenase-2 expression in gastric adenocarcinoma cells. ENVIRONMENTAL TOXICOLOGY 2019; 34:1191-1198. [PMID: 31313480 DOI: 10.1002/tox.22820] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/16/2018] [Revised: 06/11/2019] [Accepted: 06/26/2019] [Indexed: 06/10/2023]
Abstract
The phthalate plasticizer, di(2-ethyl-hexyl) phthalate (DEHP), and its derived metabolites are common anthropogenic environmental toxins, which are known to act as endocrine disruptors. Numerous studies have associated DEHP with disruption of sex hormones, abnormal development of reproductive organs, allergies, and inflammation. Its role in promoting inflammation has been reported by both human epidemiological and animal studies. In stomach tissue, chronic inflammation is known to accompany mucosal damage, and pave the way to gastritis, stomach ulcers, and ultimately gastric cancer. Eastern Asian populations possess the highest gastric cancer incidences in the world. Coincidentally, East Asia is one of the world's major sites for plastics manufacture and export. Thus, possible correlations between DEHP, a common plasticizer, and gastric cancer are of great interest. Our study revealed several critical findings. First, even at very low dosage, mimicking the residual plasticizer exposure, detrimental effects of DEHP on gastric cells can be detected. Second, gastric cells treated with DEHP increased cyclooxygenase-2 (COX-2) in a time-dependent manner. Third, promoter deletion studies revealed a critical role of nuclear factor-kappa B (NF-κB) for COX-2 gene responses. Finally, our results indicated that a low concentration of DEHP is able to trigger COX-2 activation via the extracellular signal-regulated kinase (ERK1/2) and NF-κB signaling pathway. Taken together, we demonstrate that very low doses of DEHP enhance the expression of the prototypical inflammatory gene, COX-2, in gastric cancer cells via ERK1/2 and NF-κB activation. This study provides important insights into the inflammatory process and damages associated with phthalate plasticizers exposure.
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Affiliation(s)
- Jhen-Hong Wong
- Department of Clinical Pharmacy, School of Pharmacy, Taipei Medical University, Taipei, Taiwan
- Department of Medical Genetics, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Yu-Shiuan Wang
- Department of Clinical Pharmacy, School of Pharmacy, Taipei Medical University, Taipei, Taiwan
- PhD Program in Clinical Drug Development of Chinese Herbal Medicine, College of Pharmacy, Taipei Medical University, Taipei, Taiwan
| | - Sean Nam
- Department of Clinical Pharmacy, School of Pharmacy, Taipei Medical University, Taipei, Taiwan
| | - Kuo-Hao Ho
- Department of Clinical Pharmacy, School of Pharmacy, Taipei Medical University, Taipei, Taiwan
| | - Che-Mai Chang
- Department of Clinical Pharmacy, School of Pharmacy, Taipei Medical University, Taipei, Taiwan
| | - Ku-Chung Chen
- Department of Biochemistry and Molecular Cell Biology, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Yi-Fan Chen
- Master Program for Clinical Pharmacogenomics and Pharmacoproteomics, Taipei Medical University, Taipei, Taiwan
- The PhD Program for Translational Medicine, College of Medical Science and Technology, Taipei Medical University, Taipei, Taiwan
| | - Wei-Chiao Chang
- Department of Clinical Pharmacy, School of Pharmacy, Taipei Medical University, Taipei, Taiwan
- Master Program for Clinical Pharmacogenomics and Pharmacoproteomics, Taipei Medical University, Taipei, Taiwan
- Department of Pharmacy; Integrative Research Center in Critical Care, Wan Fang Hospital, Taipei Medical University, Taipei, Taiwan
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6
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Vineeth Daniel P, Kamthan M, Gera R, Dogra S, Gautam K, Ghosh D, Mondal P. Chronic exposure to Pb 2+ perturbs ChREBP transactivation and coerces hepatic dyslipidemia. FEBS Lett 2019; 593:3084-3097. [PMID: 31309533 DOI: 10.1002/1873-3468.13538] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2019] [Revised: 06/22/2019] [Accepted: 07/04/2019] [Indexed: 12/19/2022]
Abstract
Dysregulated hepatic de novo lipogenesis contributes to the pathogenesis of nonalcoholic fatty liver disease in both humans and rodents. Clinical evidence suggests fatty liver to have a positive correlation with serum lead (Pb2+ ) levels. However, an exact mechanism of Pb2+ -induced fatty liver progression is still unknown. Here, we show that exposure to Pb2+ regulates ChREBP-dependent hepatic lipogenesis. Presence of Pb2+ ions within the hepatocytes reduces transcript and protein levels of sorcin, a cytosolic adaptor partner of ChREBP. Adenovirus-mediated overexpression of sorcin in Pb2+ exposed hepatocytes and an in vivo mouse model ameliorates liver steatosis and hepatotoxicity. Hereby, we present Pb2+ exposure to be a lethal disruptor of lipid metabolism in hepatocytes and highlight sorcin as a novel therapeutic target against Pb2+ -induced hepatic dyslipidemia.
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Affiliation(s)
- P Vineeth Daniel
- School of Basic Sciences, Indian Institute of Technology Mandi, India
| | - Mohan Kamthan
- Department of Biochemistry, School of Chemical and Life Sciences Jamia Hamdard, New Delhi, India
| | - Ruchi Gera
- Immunotoxicology Laboratory, CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Lucknow, India
| | - Surbhi Dogra
- School of Basic Sciences, Indian Institute of Technology Mandi, India
| | - Krishna Gautam
- Ecotoxicology Division, Regulatory Toxicology Group, CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Lucknow, India
| | - Debabrata Ghosh
- Department of Biochemistry, School of Chemical and Life Sciences Jamia Hamdard, New Delhi, India
| | - Prosenjit Mondal
- School of Basic Sciences, Indian Institute of Technology Mandi, India
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7
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Machoń-Grecka A, Dobrakowski M, Kasperczyk A, Birkner E, Pryzwan T, Kasperczyk S. The effect of subacute lead exposure on selected blood inflammatory biomarkers and angiogenetic factors. J Occup Health 2018; 60:369-375. [PMID: 30122729 PMCID: PMC6176028 DOI: 10.1539/joh.2017-0307-oa] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Objectives: The aim of the study was to examine blood levels of selected pro-inflammatory cytokines, C reactive protein (CRP), and selected factors that influence angiogenesis in workers exposed to lead for a short period of time. Methods: The study population consisted of 36 male workers (mean age 41 ± 14 years) exposed to lead for 40 days. Results: The mean blood lead level (BLL) was 10.7 ± 7.67 μg/dl at the beginning of the study, and increased to 49.1 ± 14.1 μg/dl at the end of the study period. The levels of macrophage inflammatory protein 1-α (MIP-1α) were significantly higher after the studied exposure to lead compared to the baseline by 71%. Similarly, the values of CRP increased by 35%. Conversely, the values of soluble vascular endothelial growth factor receptor-1 (sVEGFR-1) and fibroblast growth factor-basic (FGF-basic) decreased by 14% and 21%, respectively. After the examined period of lead exposure, analysis of correlations showed positive correlations between vascular endothelial growth factor (VEGF) levels and the levels of interleukin 1β (IL-1β) (R = 0.39), interleukin 6 (IL-6) (R = 0.42), and MIP-1α (R = 0.54). Positive correlations were identified between MIP-1α and FGF-basic (R = 0.38), soluble angiopoietin receptor (sTie-2) (R = 0.41), and sVEGFR-1 (R = 0.47). Discussion: Short-term exposure to lead induces the inflammatory response; however, these mechanisms seem to be different from those observed in chronic lead exposure. Subacute exposure to lead may dysregulate angiogenesis via modifications in the levels of angiogenic factors.
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Affiliation(s)
- Anna Machoń-Grecka
- Department of Biochemistry, School of Medicine with the Division of Dentistry, Medical University of Silesia
| | - Michał Dobrakowski
- Department of Biochemistry, School of Medicine with the Division of Dentistry, Medical University of Silesia
| | - Aleksandra Kasperczyk
- Department of Biochemistry, School of Medicine with the Division of Dentistry, Medical University of Silesia
| | - Ewa Birkner
- Department of Biochemistry, School of Medicine with the Division of Dentistry, Medical University of Silesia
| | - Tomasz Pryzwan
- Department of Biochemistry, School of Medicine with the Division of Dentistry, Medical University of Silesia
| | - Sławomir Kasperczyk
- Department of Biochemistry, School of Medicine with the Division of Dentistry, Medical University of Silesia
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8
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Metryka E, Chibowska K, Gutowska I, Falkowska A, Kupnicka P, Barczak K, Chlubek D, Baranowska-Bosiacka I. Lead (Pb) Exposure Enhances Expression of Factors Associated with Inflammation. Int J Mol Sci 2018; 19:ijms19061813. [PMID: 29925772 PMCID: PMC6032409 DOI: 10.3390/ijms19061813] [Citation(s) in RCA: 117] [Impact Index Per Article: 19.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2018] [Revised: 05/31/2018] [Accepted: 06/12/2018] [Indexed: 11/16/2022] Open
Abstract
The human immune system is constantly exposed to xenobiotics and pathogens from the environment. Although the mechanisms underlying their influence have already been at least partially recognized, the effects of some factors, such as lead (Pb), still need to be clarified. The results of many studies indicate that Pb has a negative effect on the immune system, and in our review, we summarize the most recent evidence that Pb can promote inflammatory response. We also discuss possible molecular and biochemical mechanisms of its proinflammatory action, including the influence of Pb on cytokine metabolism (interleukins IL-2, IL-4, IL-8, IL-1b, IL-6), interferon gamma (IFNγ), and tumor necrosis factor alpha (TNF-α); the activity and expression of enzymes involved in the inflammatory process (cyclooxygenases); and the effect on selected acute phase proteins: C-reactive protein (CRP), haptoglobin, and ceruloplasmin. We also discuss the influence of Pb on the immune system cells (T and B lymphocytes, macrophages, Langerhans cells) and the secretion of IgA, IgE, IgG, histamine, and endothelin.
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Affiliation(s)
- Emilia Metryka
- Department of Biochemistry and Medical Chemistry, Pomeranian Medical University, Powstańców Wlkp. 72, 70-111 Szczecin, Poland.
| | - Karina Chibowska
- Department of Biochemistry and Medical Chemistry, Pomeranian Medical University, Powstańców Wlkp. 72, 70-111 Szczecin, Poland.
| | - Izabela Gutowska
- Department of Biochemistry and Human Nutrition, Pomeranian Medical University, Broniewskiego 24, 71-460 Szczecin, Poland.
| | - Anna Falkowska
- Department of Biochemistry and Medical Chemistry, Pomeranian Medical University, Powstańców Wlkp. 72, 70-111 Szczecin, Poland.
| | - Patrycja Kupnicka
- Department of Biochemistry and Medical Chemistry, Pomeranian Medical University, Powstańców Wlkp. 72, 70-111 Szczecin, Poland.
| | - Katarzyna Barczak
- Department of Conservative Dentistry and Endodontics, Pomeranian Medical University, Powstańców Wlkp. 72, 70-111 Szczecin, Poland.
| | - Dariusz Chlubek
- Department of Biochemistry and Medical Chemistry, Pomeranian Medical University, Powstańców Wlkp. 72, 70-111 Szczecin, Poland.
| | - Irena Baranowska-Bosiacka
- Department of Biochemistry and Medical Chemistry, Pomeranian Medical University, Powstańców Wlkp. 72, 70-111 Szczecin, Poland.
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9
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Store-operated Ca 2+ Entry Facilitates the Lipopolysaccharide-induced Cyclooxygenase-2 Expression in Gastric Cancer Cells. Sci Rep 2017; 7:12813. [PMID: 29038542 PMCID: PMC5643532 DOI: 10.1038/s41598-017-12648-1] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2017] [Accepted: 09/08/2017] [Indexed: 12/12/2022] Open
Abstract
Helicobacter pylori has been identified as one of the major causes of chronic gastritis, gastric and duodenal ulcers, and gastric cancer. Lipopolysaccharide (LPS) is a major component of the outer membrane of gram-negative bacteria, and H. pylori LPS might play an exclusively important role in activating inflammatory pathways in monocytes and macrophages. To study the role of LPS in the underlying mechanism of inflammatory responses, we established an in vitro model using the human AGS gastric cancer cell line. We found that LPS mediates inflammation through setting off a cascade of events: activation of the store-operated calcium (SOC) channel, initiation of downstream NF-κB signaling, and phosphorylation of extracellular signal-regulated kinase 1/2 (ERK1/2). Phosphorylated ERK1/2 promotes the nuclear translocation of NF-κB, and eventually elevates the expression level of COX-2, a major inflammatory gene.
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10
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Machoń-Grecka A, Dobrakowski M, Boroń M, Lisowska G, Kasperczyk A, Kasperczyk S. The influence of occupational chronic lead exposure on the levels of selected pro-inflammatory cytokines and angiogenic factors. Hum Exp Toxicol 2017; 36:467-473. [PMID: 28395533 DOI: 10.1177/0960327117703688] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
The aim of the study was to determine the effect of occupational exposure to lead on the blood levels of pro-inflammatory cytokines and selected factors that influence angiogenesis. The study population was divided into two groups. The first group consisted of 56 male workers chronically exposed to lead. The second group (control) was comprised of 24 male administrative workers. The serum levels of interleukin 1β (IL-1β), interleukin 6 (IL-6), and tumor necrosis factor α (TNF-α) were significantly higher in the group of workers chronically exposed to lead compared to control values by 38%, 68%, and 57%, respectively. Similarly, the values of soluble vascular endothelial growth factor receptor-1 (sVEGFR-1) and fibroblast growth factor-basic (FGF-basic) were higher by 19% and 63%, respectively. In the group of workers chronically exposed to lead, there were positive correlations between the levels of pro-inflammatory cytokines (IL-1β, IL-6, and TNF-α) and angiogenic factors (VEGF, FGF-basic, sVEGFR-1, and soluble angiopoietin receptor). In the control group, there were no correlations between the levels of the abovementioned parameters. Results of the present study indicate that chronic occupational lead exposure promotes inflammatory processes via induction of pro-inflammatory cytokines, modulates angiogenesis, and elicits interdependencies between the immune response and angiogenic factors.
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Affiliation(s)
- A Machoń-Grecka
- 1 Department of Biochemistry, School of Medicine with the Division of Dentistry, Medical University of Silesia, Zabrze, Poland
| | - M Dobrakowski
- 1 Department of Biochemistry, School of Medicine with the Division of Dentistry, Medical University of Silesia, Zabrze, Poland
| | - M Boroń
- 2 Department of Physical Hazards, Work Physiology and Ergonomics, Institute of Occupational Medicine and Environmental Health, Sosnowiec, Poland
| | - G Lisowska
- 3 Department of Otorhinolaryngology and Laryngological Oncology, School of Medicine with the Division of Dentistry, Medical University of Silesia, Zabrze, Poland
| | - A Kasperczyk
- 1 Department of Biochemistry, School of Medicine with the Division of Dentistry, Medical University of Silesia, Zabrze, Poland
| | - S Kasperczyk
- 1 Department of Biochemistry, School of Medicine with the Division of Dentistry, Medical University of Silesia, Zabrze, Poland
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11
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Xu G, Xie Y, Cao J, Tao M, Zhang WQ. Highly selective and efficient chelating fiber functionalized by bis(2-pyridylmethyl)amino group for heavy metal ions. Polym Chem 2016. [DOI: 10.1039/c6py00335d] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A classical bis(2-pyridylmethyl)amino group-modified polyacrylonitrile fiber possesses high selectivity and excellent recyclability for heavy metal ion absorption.
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Affiliation(s)
- Gang Xu
- Department of Chemistry
- School of Science
- Tianjin University
- Tianjin
- P.R. China
| | - Yujia Xie
- Department of Chemistry
- School of Science
- Tianjin University
- Tianjin
- P.R. China
| | - Jian Cao
- Department of Chemistry
- School of Science
- Tianjin University
- Tianjin
- P.R. China
| | - Minli Tao
- Department of Chemistry
- School of Science
- Tianjin University
- Tianjin
- P.R. China
| | - Wen-Qin Zhang
- Department of Chemistry
- School of Science
- Tianjin University
- Tianjin
- P.R. China
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Lin CH, Chung CA, Wong JH, Chen BK, Chiu SJ, Klahan S, Lee YC, Chang WC. Involvement of L-type Ca²⁺ channel and toll-like receptor-4 in nickel-induced interleukin-8 gene expression. ENVIRONMENTAL TOXICOLOGY 2016; 31:5-12. [PMID: 25045119 DOI: 10.1002/tox.22016] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/27/2014] [Revised: 06/10/2014] [Accepted: 06/15/2014] [Indexed: 06/03/2023]
Abstract
The metal nickel (Ni(2+)) is found everywhere in our daily lives, including coins, costume jewelry, and even nuts and chocolates. Nickel poisoning can cause inflammatory reactions, respiratory diseases, and allergic contact dermatitis. To clarify the mechanism by which nickel induces mediators of inflammation, we used the human acute monocytic leukemia THP-1 cell line as a model. Interleukin (IL)-8 promoter activity as well as gene expression were tested by luciferase assay and real-time polymerase chain reaction. The underlying mechanisms of nickel-induced IL-8 were investigated. We found that nickel induced IL-8 gene expression via the L-type Ca(2+) channel, Toll-like receptor-4 (TRL-4) and nuclear factor NF-κB signal transduction pathways. Nickel activated NF-κB expression through extracellular signal-regulated kinase 1/2 phosphorylation and then increased IL-8 expression. Thus, the L-type Ca(2+) channel and TRL-4 play important roles in nickel-induced inflammatory gene expressions.
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Affiliation(s)
- Chia-Hsien Lin
- Department of Health Industry Management, School of Health Care Management, Kainan University, Taoyuan, Taiwan
| | - Chih-Ang Chung
- Department of Biochemistry, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
- Department of Clinical Pharmacy, School of Pharmacy, Taipei Medical University, Taipei, Taiwan
| | - Jhen-Hong Wong
- Department of Biochemistry, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Ben-Kuen Chen
- Institute of Bioinformatics and Biosignal Transduction, College of Bioscience and Biotechnology, National Cheng Kung University, Tainan, 701, Taiwan
| | - Siou-Jin Chiu
- Department of Clinical Pharmacy, School of Pharmacy, Taipei Medical University, Taipei, Taiwan
| | - Sukhontip Klahan
- Department of Clinical Pharmacy, School of Pharmacy, Taipei Medical University, Taipei, Taiwan
| | - Yi-Chao Lee
- Ph.D. Program for Neural Regenerative Medicine, College of Medical Science and Technology, Center for Neurotrauma and Neuroregeneration, Taipei Medical University, Taipei, Taiwan
| | - Wei-Chiao Chang
- Department of Clinical Pharmacy, School of Pharmacy, Taipei Medical University, Taipei, Taiwan
- Department of Pharmacy, Taipei Medical University-Wan Fang Hospital, Taipei, Taiwan
- Master Program for Clinical Pharmacogenomics and Pharmacoproteomics, School of Pharmacy, Taipei Medical University, Taipei, Taiwan
- Cancer Center, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
- Graduate Institute of Clinical Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
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Hussein SA, Hassanein MRR, Amin A, Hussein AHM. Alpha-Lipoic Acid Protects Rat Kidney Against Oxidative Stress-Mediated DNA Damage and Apoptosis Induced by Lead. ACTA ACUST UNITED AC 2015. [DOI: 10.3923/ajbmb.2016.1.14] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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14
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Saghiri MA, Orangi J, Asatourian A, Sorenson CM, Sheibani N. Functional role of inorganic trace elements in angiogenesis part III: (Ti, Li, Ce, As, Hg, Va, Nb and Pb). Crit Rev Oncol Hematol 2015; 98:290-301. [PMID: 26638864 DOI: 10.1016/j.critrevonc.2015.10.004] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2015] [Revised: 08/27/2015] [Accepted: 10/15/2015] [Indexed: 02/02/2023] Open
Abstract
Many essential elements exist in nature with significant influence on human health. Angiogenesis is vital in developmental, repair, and regenerative processes, and its aberrant regulation contributes to pathogenesis of many diseases including cancer. Thus, it is of great importance to explore the role of these elements in such a vital process. This is third in a series of reviews that serve as an overview of the role of inorganic elements in regulation of angiogenesis and vascular function. Here we will review the roles of titanium, lithium, cerium, arsenic, mercury, vanadium, niobium, and lead in these processes. The roles of other inorganic elements in angiogenesis were discussed in part I (N, Fe, Se, P, Au, and Ca) and part II (Cr, Si, Zn, Cu, and S) of these series. The methods of exposure, structure, mechanisms, and potential activities of these elements are briefly discussed. An electronic search was performed on the role of these elements in angiogenesis from January 2005 to April 2014. These elements can promote and/or inhibit angiogenesis through different mechanisms. The anti-angiogenic effect of titanium dioxide nanoparticles comes from the inhibition of angiogenic processes, and not from its toxicity. Lithium affects vasculogenesis but not angiogenesis. Nanoceria treatment inhibited tumor growth by inhibiting angiogenesis. Vanadium treatment inhibited cell proliferation and induced cytotoxic effects through interactions with DNA. The negative impact of mercury on endothelial cell migration and tube formation activities was dose and time dependent. Lead induced IL-8 production, which is known to promote tumor angiogenesis. Thus, understanding the impact of these elements on angiogenesis will help in development of new modalities to modulate angiogenesis under various conditions.
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Affiliation(s)
- Mohammad Ali Saghiri
- Departments of Ophthalmology and Visual Sciences, University of Wisconsin School of Medicine and Public Health, Madison, WI, USA; Department of Biomedical Engineering, University of Wisconsin School of Medicine and Public Health, Madison, WI, USA; Angiogenesis and Regenerative Group, Dr. H. Afsar Lajevardi Research Cluster, Shiraz, Iran.
| | - Jafar Orangi
- Angiogenesis and Regenerative Group, Dr. H. Afsar Lajevardi Research Cluster, Shiraz, Iran
| | - Armen Asatourian
- Angiogenesis and Regenerative Group, Dr. H. Afsar Lajevardi Research Cluster, Shiraz, Iran
| | - Christine M Sorenson
- Department of Pediatrics, University of Wisconsin School of Medicine and Public Health, Madison, WI, USA
| | - Nader Sheibani
- Departments of Ophthalmology and Visual Sciences, University of Wisconsin School of Medicine and Public Health, Madison, WI, USA; Department of Biomedical Engineering, University of Wisconsin School of Medicine and Public Health, Madison, WI, USA
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Tsai YT, Chang CM, Wang JY, Hou MF, Wang JM, Shiurba R, Chang WC, Chang WC. Function of DNA methyltransferase 3a in lead (Pb(2+) )-Induced Cyclooxygenase-2 gene. ENVIRONMENTAL TOXICOLOGY 2015; 30:1024-32. [PMID: 24639330 DOI: 10.1002/tox.21976] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/29/2013] [Revised: 02/12/2014] [Accepted: 02/23/2014] [Indexed: 06/03/2023]
Abstract
Lead ions (Pb(2+) ) are toxic industrial pollutants associated with chronic inflammatory diseases in humans and animals. Previously, we found that Pb(2+) ions induce COX-2 gene expression via the EGF receptor/nuclear factor-κB signal transduction pathway in epidermoid carcinoma cell line A431. In this study, to see whether Pb(2+) ions affect COX-2 expression by epigenetic mechanisms, we looked at the mRNAs of DNA methyltransferases (DNMTs) using real-time PCR of total RNA from these cells. Cells exposed to Pb(2+) had low levels of DNMT3a mRNA, whereas the levels of DNMT1 and DNMT3b mRNAs remained unchanged. Pretreatment of cells with DNMT inhibitor 5-aza-2'-deoxycytidine (5 μM) followed by Pb(2+) (1 μM) significantly increased levels of COX-2 mRNA compared with cells treated with Pb(2+) alone. Overexpression of tumor suppressor gene Rb correlated with an increase in COX-2 mRNA and a decrease in DNMT3a mRNA. Conversely, overexpression of transcription factor E2F1 correlated with a decrease in COX-2 mRNA and an increase in DMNT3a mRNA. Pretreatment with EGFR inhibitors AG1478 and PD153035 significantly limited Pb(2+) -induced reduction in DNMT3a mRNA. In addition, gene knockdown of DNMT3a with short hairpin RNA correlated with increased COX-2 mRNA induced by Pb(2+) . Our findings suggest Pb(2+) ions induce COX-2 expression indirectly by reducing DNMT3a methylation of the COX-2 promoter via transcription factors Rb and E2F1.
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Affiliation(s)
- Yao-Ting Tsai
- Department of Clinical Pharmacy, School of Pharmacy, Taipei Medical University, Taipei, Taiwan
| | - Che-Mai Chang
- Department of Clinical Pharmacy, School of Pharmacy, Taipei Medical University, Taipei, Taiwan
| | - Jaw-Yuan Wang
- Cancer Center, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
- Division of Gastrointestinal and General Surgery, Department of Surgery, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan
- Graduate Institute of Clinical Medicine, College of Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Ming-Feng Hou
- Cancer Center, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
- Division of Gastrointestinal and General Surgery, Department of Surgery, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan
- Graduate Institute of Clinical Medicine, College of Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan
- Kaohsiung Municipal Ta-Tung Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Ju-Ming Wang
- Institute of Bioinformatics and Biosignal Transduction, College of Bioscience and Biotechnology, National Cheng Kung University, Tainan, Taiwan
- Graduate Institute of Medical Sciences, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Robert Shiurba
- Integrative Bioscience and Biomedical Engineering, Graduate School of Science and Engineering, Waseda University, Tokyo, Japan
| | - Wen-Chang Chang
- Graduate Institute of Medical Sciences, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Wei-Chiao Chang
- Department of Clinical Pharmacy, School of Pharmacy, Taipei Medical University, Taipei, Taiwan
- Cancer Center, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
- Department of Pharmacy, Taipei Medical University-Wanfang Hospital, Taipei, Taiwan
- Master Program for Clinical Pharmacogenomics and Pharmacoproteomics, School of Pharmacy, Taipei Medical University, Taipei, Taiwan
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Lin YC, Wei PL, Tsai YT, Wong JH, Chang CM, Wang JY, Hou MF, Lee YC, Chuang HY, Chang WC. Pb²⁺ induced IL-8 gene expression by extracellular signal-regulated kinases and the transcription factor, activator protein 1, in human gastric carcinoma cells. ENVIRONMENTAL TOXICOLOGY 2015; 30:315-322. [PMID: 24106166 DOI: 10.1002/tox.21909] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/21/2013] [Revised: 08/24/2013] [Accepted: 08/28/2013] [Indexed: 06/02/2023]
Abstract
Divalent lead (Pb(2+) ) is a common industrial pollutant epidemiologically associated with gastric cancers. Pb(2+) was found to promote tumorigenesis, which may include interleukin (IL)-8, a pro-inflammatory chemokine that promotes angiogenesis and tumor metastasis. Given that the gastrointestinal tract is a major route of Pb(2+) exposure, we investigated the ability of Pb(2+) to induce IL-8 expression in gastric carcinoma cells and its underlying mechanism. At a concentration of 0.1 μM, Pb(2+) induced IL-8 gene activation in gastric carcinoma AGS cells. Using a IL-8 promoter-deletion analysis, transcription factor activator protein 1 (AP-1) was identified as a necessary component of Pb(2+) -induced IL-8 gene activation. Upregulation of the IL-8 gene was abrogated by the MEK inhibitor, PD98059, and partially suppressed by the epidermal growth factor receptor inhibitors, AG1478 and PD153035. Furthermore, c-Jun protein expression was induced in cells treated with Pb(2+) , and overexpression of c-Jun enhanced Pb(2+) -induced IL-8 activation. Collectively, our findings highlight the pivotal roles of AP-1 and extracellular signal-regulated kinase in signal transduction of Pb(2+) -induced IL-8 gene activation. These molecules may be potential therapeutic targets for Pb(2+) -related inflammation leading to stomach carcinogenesis. © 2013 Wiley Periodicals, Inc. Environ Toxicol 30: 315-322, 2015.
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Affiliation(s)
- Ying-Chi Lin
- School of Pharmacy, Kaohsiung Medical University, Kaohsiung, Taiwan
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Omobowale TO, Oyagbemi AA, Akinrinde AS, Saba AB, Daramola OT, Ogunpolu BS, Olopade JO. Failure of recovery from lead induced hepatoxicity and disruption of erythrocyte antioxidant defence system in Wistar rats. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2014; 37:1202-11. [PMID: 24814264 DOI: 10.1016/j.etap.2014.03.002] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/25/2013] [Revised: 03/03/2014] [Accepted: 03/06/2014] [Indexed: 05/17/2023]
Abstract
Lead acetate (PbA) is one of the major environmental contaminants with grave toxicological consequences both in the developing and developed countries. The liver and erythrocyte antioxidant status and markers of oxidative were assessed. Exposure of rats to PbA led to significant decline (p < 0.05) in hepatic and erythrocyte glutathione peroxidase (GPx), glutathione S-transferase (GST), catalase (CAT), superoxide dismutase (SOD), and reduced glutathione (GSH) content. Similarly, malondialdehyde (MDA) and H(2)O(2) concentrations were significantly (p < 0.05) elevated. Histopathology and immunohistology of liver of rats exposed to PbA showed focal areas of necrosis and COX-2 expression after 6 weeks of PbA withdrawal. Taken together, hepatic and erythrocytes antioxidant defence system failed to recover after withdrawal of the exposed PbA for the period of the study. In conclusion, experimental animals exposed to PbA did not recover from hepatotoxicity and disruption of erythrocyte antioxidant defence system via free radical generation and oxidative stress.
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Affiliation(s)
- Temidayo O Omobowale
- Department of Veterinary Medicine, Faculty of Veterinary Medicine, University of Ibadan, Nigeria
| | - Ademola A Oyagbemi
- Department of Veterinary Physiology, Biochemistry and Pharmacology, Faculty of Veterinary Medicine, University of Ibadan, Nigeria.
| | - Akinleye S Akinrinde
- Department of Veterinary Physiology, Biochemistry and Pharmacology, Faculty of Veterinary Medicine, University of Ibadan, Nigeria
| | - Adebowale B Saba
- Department of Veterinary Physiology, Biochemistry and Pharmacology, Faculty of Veterinary Medicine, University of Ibadan, Nigeria
| | - Oluwabusola T Daramola
- Department of Veterinary Medicine, Faculty of Veterinary Medicine, University of Ibadan, Nigeria
| | - Blessing S Ogunpolu
- Department of Veterinary Medicine, Faculty of Veterinary Medicine, University of Ibadan, Nigeria
| | - James O Olopade
- Department of Veterinary Anatomy, Faculty of Veterinary Medicine, University of Ibadan, Nigeria
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18
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Kasperczyk A, Prokopowicz A, Dobrakowski M, Pawlas N, Kasperczyk S. The effect of occupational lead exposure on blood levels of zinc, iron, copper, selenium and related proteins. Biol Trace Elem Res 2012; 150:49-55. [PMID: 22923205 PMCID: PMC3510413 DOI: 10.1007/s12011-012-9490-x] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/01/2012] [Accepted: 08/02/2012] [Indexed: 12/17/2022]
Abstract
The study objective was to evaluate the effect of occupational lead exposure on blood concentrations of zinc, iron, copper, selenium and proteins related to them, such as transferrin, caeruloplasmin and haptoglobin. The examined group consisted of 192 healthy male employees of zinc-lead works. By the degree of lead exposure, the exposed group was subdivided into three subgroups. The control group was composed of 73 healthy male administrative workers. The markers of lead exposure (blood levels of lead and zinc protoporphyrin) were significantly elevated in the exposed group compared with the control group. Additionally, concentrations of copper and caeruloplasmin were raised. The significant increase in haptoglobin level was observed only in the low exposure group. Selenium levels were significantly decreased, whereas iron, zinc and transferrin levels were unchanged in the exposed group compared with the control group. There were positive correlations between the lead toxicity parameters and the copper and caeruloplasmin levels. In conclusion, the effect of occupational exposure to lead on the metabolism of trace metals appears to be limited. However, significant associations between lead exposure and levels of copper and selenium were shown. Changed levels of positive acute-phase proteins, such as caeruloplasmin and haptoglobin, were also observed.
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Affiliation(s)
- Aleksandra Kasperczyk
- Department of Biochemistry, Medical University of Silesia in Katowice, Jordana 19, 41-808 Zabrze, Poland
| | - Adam Prokopowicz
- Department of Chemical Hazards and Genetic Toxicology, Institute of Occupational Medicine and Environmental Health, Kościelna13, 41-200 Sosnowiec, Poland
| | - Michał Dobrakowski
- Department of Biochemistry, Medical University of Silesia in Katowice, Jordana 19, 41-808 Zabrze, Poland
| | - Natalia Pawlas
- Department of Chemical Hazards and Genetic Toxicology, Institute of Occupational Medicine and Environmental Health, Kościelna13, 41-200 Sosnowiec, Poland
| | - Sławomir Kasperczyk
- Department of Biochemistry, Medical University of Silesia in Katowice, Jordana 19, 41-808 Zabrze, Poland
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19
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Zhang L, Wang K, Zhao F, Hu W, Chen J, Lanza GM, Shen B, Zhang B. Near infrared imaging of EGFR of oral squamous cell carcinoma in mice administered arsenic trioxide. PLoS One 2012; 7:e46255. [PMID: 23029451 PMCID: PMC3460885 DOI: 10.1371/journal.pone.0046255] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2012] [Accepted: 08/31/2012] [Indexed: 02/03/2023] Open
Abstract
Background The effectiveness of near-infrared imaging (NIR) interrogation of epidermal growth factor receptor (EGFR) expression as a sensitive biomarker of oral squamous cell carcinoma (OSCC) response to arsenic trioxide therapy was studied in mice. Material and Methods A431 OSCC in vitro were exposed to 0 µM, 0.5 µM, 2.5 µM, or 5 µM of As2O3 for 0 h, 24 h, 48 h and 72 h. Confocal microscopy and flow cytometry confirmed EGFR expression and demonstrated a sensitivity dose-related signal decline with As2O3 treatment. Next, mice with pharynx-implanted A431 cells received As2O3 i.p. every 48 h at 0.0, 0.5, 2.5, or 5 mg/kg/day (n = 6/group) from day 0 to 10. An intravenous NIR probe, EGF-Cy5.5, was injected at baseline and on days 4, 8, and 12 for dynamic NIR imaging. Tumor volume and body weights were measured three times weekly. Results In vitro, A431 EGFR expression was well appreciated in the controls and decreased (p<0.05) with increasing As2O3 dose and treatment duration. In vivo EGFR NIR tumor signal intensity decreased (p<0.05) in As2O3 treated groups versus controls from days 4 to 12, consistent with increasing dosage. Tumor volume diminished in a dose-related manner while body weight was unaffected. Immunohistochemical staining of excised tumors confirmed that EGFR expression was reduced by As2O3 treatment in a dose responsive pattern. Conclusion This study demonstrates for the first time that OSCC can be interrogated in vivo by NIR molecular imaging of the EGFR and that this biomarker is effective for the longitudinal assessment of OSCC response to As2O3 treatment.
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MESH Headings
- Animals
- Antineoplastic Agents/pharmacology
- Antineoplastic Agents/therapeutic use
- Arsenic Trioxide
- Arsenicals/pharmacology
- Arsenicals/therapeutic use
- Biomarkers, Tumor/analysis
- Biomarkers, Tumor/genetics
- Biomarkers, Tumor/metabolism
- Body Weight/drug effects
- Carbocyanines
- Carcinoma, Squamous Cell/diagnosis
- Carcinoma, Squamous Cell/drug therapy
- Carcinoma, Squamous Cell/genetics
- Carcinoma, Squamous Cell/metabolism
- Dose-Response Relationship, Drug
- Epidermal Growth Factor/administration & dosage
- Epidermal Growth Factor/chemistry
- ErbB Receptors/analysis
- ErbB Receptors/genetics
- ErbB Receptors/metabolism
- Gene Expression/drug effects
- Injections, Intraperitoneal
- Injections, Intravenous
- Magnetic Resonance Imaging
- Mice
- Mice, Nude
- Mouth Neoplasms/diagnosis
- Mouth Neoplasms/drug therapy
- Mouth Neoplasms/genetics
- Mouth Neoplasms/metabolism
- Neoplasms, Experimental
- Oxides/pharmacology
- Oxides/therapeutic use
- Recombinant Fusion Proteins/administration & dosage
- Recombinant Fusion Proteins/chemistry
- Spectroscopy, Near-Infrared
- Tumor Burden/drug effects
- Tumor Cells, Cultured
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Affiliation(s)
- Lingbo Zhang
- Stomatology Department, Institute of Hard Tissue Development and Regeneration, 2nd Affiliated Hospital, Harbin Medical University, Harbin, Heilongjiang, China
| | - Kezheng Wang
- Radiology Department and Molecular Imaging Center, 4th Affiliated Hospital, Harbin Medical University, Harbin, Heilongjiang, China
| | - Falin Zhao
- School of Health Management, Hangzhou Normal University, Hangzhou, Zhejiang, China
| | - Weiping Hu
- Stomatology Department, Institute of Hard Tissue Development and Regeneration, 2nd Affiliated Hospital, Harbin Medical University, Harbin, Heilongjiang, China
| | - Junjie Chen
- Division of Cardiology and C-TRAIN, Washington University School of Medicine, St. Louis, Missouri, United States of America
| | - Gregory M. Lanza
- Division of Cardiology and C-TRAIN, Washington University School of Medicine, St. Louis, Missouri, United States of America
| | - Baozhong Shen
- Radiology Department and Molecular Imaging Center, 4th Affiliated Hospital, Harbin Medical University, Harbin, Heilongjiang, China
- * E-mail: (BS); (BZ)
| | - Bin Zhang
- Stomatology Department, Institute of Hard Tissue Development and Regeneration, 2nd Affiliated Hospital, Harbin Medical University, Harbin, Heilongjiang, China
- * E-mail: (BS); (BZ)
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