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Yao ZQ, Jiang HH, Wang FF, Fan ZG, Zhang YG, Mou SD, Cao X, Li CT, Jiang LS, Song L, Ji SS, Chen QJ. Differences in Genomic Alterations and Accumulations of Heavy Metals Between Advanced Non-small Cell Lung Cancer Patients with and without Bone Metastasis. J Cancer 2024; 15:4205-4218. [PMID: 38947377 PMCID: PMC11212080 DOI: 10.7150/jca.95191] [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: 02/08/2024] [Accepted: 05/23/2024] [Indexed: 07/02/2024] Open
Abstract
Purpose: Bone metastasis (BoM) has been closely associated with increased morbidity and poor survival outcomes in patients with non-small cell lung cancer (NSCLC). Given its significant implications, this study aimed to systematically compare the biological characteristics between advanced NSCLC patients with and without BoM. Methods: In this study, the genomic alterations from the tumor tissue DNA of 42 advanced NSCLC patients without BoM and 67 patients with BoM and were analyzed by a next-generation sequencing (NGS) panel. The serum concentrations of 18 heavy metals were detected by inductively coupled plasma emission spectrometry (ICP-MS). Results: A total of 157 somatic mutations across 18 mutated genes and 105 somatic mutations spanning 16 mutant genes were identified in 61 out of 67 (91.05%) patients with BoM and 37 of 42 (88.10%) patients without BoM, respectively. Among these mutated genes, NTRK1, FGFR1, ERBB4, NTRK3, and FGFR2 stood out exclusively in patients with BoM, whereas BRAF, GNAS, and AKT1 manifested solely in those without BoM. Moreover, both co-occurring sets of genes and mutually exclusive sets of genes in patients with BoM were different from those in patients without BoM. In addition, the serum concentrations of Cu and Sr in patients with BoM were significantly higher than in patients without BoM. One of our aims was to explore how these heavy metals associated with BoM interacted with other heavy metals, and significant positive correlations were observed between Cu and Co, between Cu and Cr, between Sr and Ba, and between Sr and Ni in patients with BoM. Given the significant impacts of molecular characteristics on patients' prognosis, we also observed a noteworthy negative correlation between EGFR mutations and Co, alongside a significant positive correlation between TP53 mutations and Cd. Conclusions: The genomic alterations, somatic interactions, key signaling pathways, functional biological information, and accumulations of serum heavy metals were markedly different between advanced NSCLC patients with and without BoM, and certain heavy metals (e.g., Cu, Sr) might have potentials to identify high-risk patients with BoM.
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Affiliation(s)
- Zhong-Qiang Yao
- Medical oncology, 3201 Hospital of Xi´an Jiaotong University Health Science Center, Hanzhong 723000, China
| | - Hui-Hui Jiang
- Zhangjiang Center for Translational Medicine, Shanghai Biotecan Pharmaceuticals Co., Ltd., Shanghai 200135, China
| | - Fei-Fei Wang
- Medical oncology, 3201 Hospital of Xi´an Jiaotong University Health Science Center, Hanzhong 723000, China
| | - Zhi-Gang Fan
- Medical oncology, 3201 Hospital of Xi´an Jiaotong University Health Science Center, Hanzhong 723000, China
| | - Yi-Ge Zhang
- Medical oncology, 3201 Hospital of Xi´an Jiaotong University Health Science Center, Hanzhong 723000, China
| | - Shang-Dong Mou
- Medical oncology, 3201 Hospital of Xi´an Jiaotong University Health Science Center, Hanzhong 723000, China
| | - Xia Cao
- Medical oncology, 3201 Hospital of Xi´an Jiaotong University Health Science Center, Hanzhong 723000, China
| | - Cheng-Tian Li
- Medical oncology, 3201 Hospital of Xi´an Jiaotong University Health Science Center, Hanzhong 723000, China
| | - Li-Sha Jiang
- Zhangjiang Center for Translational Medicine, Shanghai Biotecan Pharmaceuticals Co., Ltd., Shanghai 200135, China
| | - Li Song
- Zhangjiang Center for Translational Medicine, Shanghai Biotecan Pharmaceuticals Co., Ltd., Shanghai 200135, China
| | - Shu-Shen Ji
- Zhangjiang Center for Translational Medicine, Shanghai Biotecan Pharmaceuticals Co., Ltd., Shanghai 200135, China
| | - Qing-Juan Chen
- Medical oncology, 3201 Hospital of Xi´an Jiaotong University Health Science Center, Hanzhong 723000, China
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Nam Y, Park S, Kim E, Lee I, Park YJ, Kim TY, Kim MJ, Moon S, Shin S, Kim H, Choi K. Blood Pb levels are associated with prostate cancer prevalence among general adult males: Linking National Cancer Registry (2002-2017) and KNHANES (2008-2017) databases of Korea. Int J Hyg Environ Health 2024; 256:114318. [PMID: 38171267 DOI: 10.1016/j.ijheh.2023.114318] [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: 10/24/2023] [Revised: 12/22/2023] [Accepted: 12/23/2023] [Indexed: 01/05/2024]
Abstract
BACKGROUND Exposure to heavy metals may increase the risk of developing prostate cancer. However, these observations are often inconsistent and not based on clinically diagnosed cases. OBJECTIVE To investigate the association of lead (Pb), cadmium (Cd), and mercury (Hg) exposure with clinically determined prostate cancer cases among adult males in South Korea. METHODS Metal biomonitoring data and cancer information from the general Korean population were extracted by linking National Cancer Center (NCC) cancer registration data (2002-2017) with Korea National Health and Nutrition Examination Survey (KNHANES) data (2008-2017). Among them, 46 prostate cancer cases (designated as 'all-prostate'), including 25 diagnosed after heavy metal measurement (designated as 'post-prostate'), and 93 matching controls were chosen. Logistic regression analysis was used to calculate the odds ratios (ORs) and 95% confidence intervals (CIs) between the heavy metal levels and prostate cancer. RESULTS Post-prostate patients exhibited higher blood Pb levels than controls (median 3.1 μg/dL vs. 2.38 μg/dL, p = 0.01). For all-prostate cancer, the OR of prostate cancer increased by 2.04-fold for every doubling of Pb levels (95% CI = 1.08-3.87, p = 0.03). The OR was also significantly elevated when comparing the third quartile (Q3) to the lowest quartile (Q1), with ORs ranging from 3.38 to 7.95, depending on model (p < 0.05). Blood Pb levels maintained a positive association with inconsistent significance for post-prostate cancer patients. For Cd and Hg, no statistically significant association was established. SIGNIFICANCE By linking two national health databases for the first time, we constructed an unbiased database of prostate cancer cases and matching controls. We found that blood Pb concentrations were associated with the risk of prostate cancer in Korean men at the current level of exposure.
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Affiliation(s)
- Yonju Nam
- Department of Environmental Health Sciences, Graduate School of Public Health, Seoul National University, Seoul, Republic of Korea; Chemicals Research Division, National Institute of Environmental Research, Ministry of Environment, Incheon, Republic of Korea
| | - Suhyun Park
- Department of Environmental Health Sciences, Graduate School of Public Health, Seoul National University, Seoul, Republic of Korea
| | - Ejin Kim
- Institute of Health and Environment, Seoul National University, Seoul, Republic of Korea
| | - Inae Lee
- Institute of Health and Environment, Seoul National University, Seoul, Republic of Korea
| | - Young Joo Park
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Republic of Korea; Department of Molecular Medicine and Biopharmaceutical Sciences, Graduate School of Convergence Science and Technology, Seoul National University, Seoul, Republic of Korea
| | - Tae-Yong Kim
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Min Joo Kim
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Shinje Moon
- Department of Internal Medicine, Hallym University Kangnam Sacred Heart Hospital, Hallym University College of Medicine, Seoul, Republic of Korea
| | - Sangah Shin
- Department of Food and Nutrition, Chung-Ang University, Seoul, Republic of Korea
| | - Ho Kim
- Department of Environmental Health Sciences, Graduate School of Public Health, Seoul National University, Seoul, Republic of Korea; Institute of Health and Environment, Seoul National University, Seoul, Republic of Korea
| | - Kyungho Choi
- Department of Environmental Health Sciences, Graduate School of Public Health, Seoul National University, Seoul, Republic of Korea; Institute of Health and Environment, Seoul National University, Seoul, Republic of Korea.
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Mu D, Tang H, Teng G, Li X, Zhang Y, Gao G, Wang D, Bai L, Lian X, Wen M, Jiang L, Wu S, Jiang H, Zhu C. Differences of genomic alterations and heavy metals in non-small cell lung cancer with different histological subtypes. J Cancer Res Clin Oncol 2023; 149:9999-10013. [PMID: 37256381 PMCID: PMC10423170 DOI: 10.1007/s00432-023-04929-2] [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: 04/02/2023] [Accepted: 05/23/2023] [Indexed: 06/01/2023]
Abstract
PURPOSE This study aimed to explore the correlations among heavy metals concentration, histologic subtypes and molecular characteristics in patients with non-small cell lung cancer (NSCLC). METHODS In this study, an NGS panel of 82 tumor-associated genes was used to identify genomic alternations in 180 newly diagnosed patients with NSCLC. The concentrations of 18 heavy metals in the serum samples were detected by inductively coupled plasma emission spectrometry (ICP-MS). RESULTS A total of 243 somatic mutations of 25 mutant genes were identified in 115 of 148 patients with LUAD and 45 somatic mutations of 15 mutant genes were found in 24 of 32 patients with LUSC. The genomic alternations, somatic interactions, traditional serum biomarkers, and heavy metals were markedly different between patients with LUAD and LUSC. Moreover, patients with LUSC were significantly positively correlated with Ba, but not LUAD. Lastly, patients with EGFR mutations presented significant negative correlations with Cd and Sr, whereas patients with TP53 mutations showed a significant positive correlation with Pb. CONCLUSION The genomic alternations, somatic interactions, traditional serum biomarkers, and heavy metals were different between patients with LUAC and LUSC, and heavy metals (e.g., Ba, Pb, and Cd) may contribute to the tumorigenesis of NSCLC with different histological and molecular subtypes.
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Affiliation(s)
- Die Mu
- Department of Oncology, Affiliated Hospital of Chengde Medical University, Chengde, 067000, China
| | - Hui Tang
- Shanghai Zhangjiang Institute of Medical Innovation, Shanghai Biotecan Pharmaceuticals Co., Ltd., Shanghai, 200135, China
- Department of Interventional and Vascular Surgery, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, Shanghai, 200072, China
| | - Gen Teng
- Department of Oncology, Affiliated Hospital of Chengde Medical University, Chengde, 067000, China
| | - Xinyang Li
- Department of Oncology, Affiliated Hospital of Chengde Medical University, Chengde, 067000, China
| | - Yarui Zhang
- Department of Oncology, Affiliated Hospital of Chengde Medical University, Chengde, 067000, China
| | - Ge Gao
- Department of Oncology, Affiliated Hospital of Chengde Medical University, Chengde, 067000, China
| | - Dongjuan Wang
- Department of Oncology, Affiliated Hospital of Chengde Medical University, Chengde, 067000, China
| | - Lu Bai
- Department of Oncology, Affiliated Hospital of Chengde Medical University, Chengde, 067000, China
| | - Xiangyao Lian
- Department of Oncology, Affiliated Hospital of Chengde Medical University, Chengde, 067000, China
| | - Ming Wen
- Shanghai Zhangjiang Institute of Medical Innovation, Shanghai Biotecan Pharmaceuticals Co., Ltd., Shanghai, 200135, China
| | - Lisha Jiang
- Shanghai Zhangjiang Institute of Medical Innovation, Shanghai Biotecan Pharmaceuticals Co., Ltd., Shanghai, 200135, China
| | - Shouxin Wu
- Shanghai Zhangjiang Institute of Medical Innovation, Shanghai Biotecan Pharmaceuticals Co., Ltd., Shanghai, 200135, China
| | - Huihui Jiang
- Shanghai Zhangjiang Institute of Medical Innovation, Shanghai Biotecan Pharmaceuticals Co., Ltd., Shanghai, 200135, China.
| | - Cuimin Zhu
- Department of Oncology, Affiliated Hospital of Chengde Medical University, Chengde, 067000, China.
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Tsai YL, Chen Y, Chen YC, Tsai WC. KDELC2 Upregulates Glioblastoma Angiogenesis via Reactive Oxygen Species Activation and Tumor-Associated Macrophage Proliferation. Antioxidants (Basel) 2023; 12:antiox12040923. [PMID: 37107298 PMCID: PMC10136350 DOI: 10.3390/antiox12040923] [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: 03/10/2023] [Revised: 04/07/2023] [Accepted: 04/11/2023] [Indexed: 04/29/2023] Open
Abstract
Glioblastoma is notorious for its rapid progression and neovascularization. In this study, it was found that KDEL (Lys-Asp-Glu-Leu) containing 2 (KDELC2) stimulated vasculogenic factor expression and induced human umbilical vein endothelial cell (HUVEC) proliferation. The NLRP3 inflammasome and autophagy activation via hypoxic inducible factor 1 alpha (HIF-1α) and mitochondrial reactive oxygen species (ROS) production was also confirmed. The application of the NLRP3 inflammasome inhibitor MCC950 and autophagy inhibitor 3-methyladenine (3-MA) indicated that the above phenomenon activation correlated with an endothelial overgrowth. Furthermore, KDELC2 suppression decreased the endoplasmic reticulum (ER) stress factors' expression. The ER stress inhibitors, such as salubrinal and GSK2606414, significantly suppressed HUVEC proliferation, indicating that ER stress promotes glioblastoma vascularization. Finally, shKDELC2 glioblastoma-conditioned medium (CM) stimulated TAM polarization and induced THP-1 cells to transform into M1 macrophages. In contrast, THP-1 cells co-cultured with compensatory overexpressed (OE)-KDELC2 glioblastoma cells increased IL-10 secretion, a biomarker of M2 macrophages. HUVECs co-cultured with shKDELC2 glioblastoma-polarized THP-1 cells were less proliferative, demonstrating that KDELC2 promotes angiogenesis. Mito-TEMPO and MCC950 increased caspase-1p20 and IL-1β expression in THP-1 macrophages, indicating that mitochondrial ROS and autophagy could also interrupt THP-1-M1 macrophage polarization. In conclusion, mitochondrial ROS, ER stress, and the TAMs resulting from OE-KDELC2 glioblastoma cells play important roles in upregulating glioblastoma angiogenesis.
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Affiliation(s)
- Yu-Ling Tsai
- Department of Pathology, Tri-Service General Hospital, National Defense Medical Center, Taipei 114, Taiwan
| | - Ying Chen
- Department of Biology and Anatomy, National Defense Medical Center, Taipei 114, Taiwan
| | - Ying-Chuan Chen
- Department of Physiology and Biophysics, National Defense Medical Center, Taipei 114, Taiwan
| | - Wen-Chiuan Tsai
- Department of Pathology, Tri-Service General Hospital, National Defense Medical Center, Taipei 114, Taiwan
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Florez-Garcia VA, Guevara-Romero EC, Hawkins MM, Bautista LE, Jenson TE, Yu J, Kalkbrenner AE. Cadmium exposure and risk of breast cancer: A meta-analysis. ENVIRONMENTAL RESEARCH 2023; 219:115109. [PMID: 36563983 PMCID: PMC9957608 DOI: 10.1016/j.envres.2022.115109] [Citation(s) in RCA: 15] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Revised: 11/28/2022] [Accepted: 12/17/2022] [Indexed: 06/17/2023]
Abstract
BACKGROUND Cadmium is a heavy metal with carcinogenic properties, highly prevalent in industrialized areas worldwide. Prior reviews evaluating whether cadmium influences breast cancer have been inconclusive and not reflected several recent studies. OBJECTIVE To evaluate the association between cadmium exposure and female breast cancer incidence, with an emphasis on separately estimating dietary vs. airborne vs. biomarker measures of cadmium and studies published until October 2022. METHODS We evaluated risk of bias using set criteria and excluded one study judged to have high risk based on self-report of breast cancer and insufficient adjustment. We conducted a random effects meta-analysis of epidemiological studies, including subgroups by exposure route and by menopausal status. RESULTS A total of 17 studies were eligible for our meta-analysis. Only 2 studies addressed airborne cadmium directly. Breast cancer risk was elevated in women exposed to higher levels of cadmium across all studies - pooled odds ratio: 1.13 (95% confidence interval: 1.00, 1.28), with notable heterogeneity between studies (I2 = 77%). When examining separately by exposure route, dietary cadmium was not linked with an elevated risk - (OR: 1.05; 95%CI: 0.91, 1.21; I2 = 69%), consistent with prior reviews, but biomarker-based studies showed an elevated but non-significant pooled measure (OR: 1.37; 95%CI: 0.96, 1.94; I2 = 84%). We did not observe any clear patterns of different risk by menopausal status. CONCLUSION Findings from our meta-analysis suggest that exposure to higher cadmium increases the risk of breast cancer in women, but with remaining questions about whether non-dietary exposure may be more risky or whether residual confounding by constituents of tobacco smoke may be at play.
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Affiliation(s)
- V A Florez-Garcia
- Joseph J. Zilber School of Public Health, University of Wisconsin-Milwaukee, Milwaukee, WI, 5321, USA; Department of Public Health. Universidad Del Norte, Barranquilla. Colombia.
| | - E C Guevara-Romero
- Joseph J. Zilber School of Public Health, University of Wisconsin-Milwaukee, Milwaukee, WI, 5321, USA
| | - M M Hawkins
- Joseph J. Zilber School of Public Health, University of Wisconsin-Milwaukee, Milwaukee, WI, 5321, USA; Public Health. Carroll University College of Health Sciences. 100 N East Ave, Waukesha, WI, 53186, USA
| | - L E Bautista
- Department of Population Health Sciences, School of Medicine and Public Health, University of Wisconsin, 610 Walnut Street, WARF 703, Madison, WI, 53726-2397, USA
| | - T E Jenson
- Joseph J. Zilber School of Public Health, University of Wisconsin-Milwaukee, Milwaukee, WI, 5321, USA
| | - J Yu
- Joseph J. Zilber School of Public Health, University of Wisconsin-Milwaukee, Milwaukee, WI, 5321, USA
| | - A E Kalkbrenner
- Joseph J. Zilber School of Public Health, University of Wisconsin-Milwaukee, Milwaukee, WI, 5321, USA
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Laouali N, Benmarhnia T, Lanphear BP, Oulhote Y. Associations with Blood Lead and Urinary Cadmium Concentrations in Relation to Mortality in the US Population: A Causal Survival Analysis with G-Computation. TOXICS 2023; 11:toxics11020133. [PMID: 36851008 PMCID: PMC9966985 DOI: 10.3390/toxics11020133] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Revised: 01/19/2023] [Accepted: 01/23/2023] [Indexed: 05/19/2023]
Abstract
Using the parametric g-formula, we estimated the 27-year risk of all-cause and specific causes of mortality under different potential interventions for blood lead (BLLs) and urinary cadmium (UCd) levels. We used data on 14,311 adults aged ≥20 years enrolled in the NHANES-III between 1988 and 1994 and followed up through 31 Dec 31 2015. Time and cause of death were determined from the National Death Index records. We used the parametric g-formula with pooled logistic regression models to estimate the relative and absolute risk of all-cause, cardiovascular, and cancer mortality under different potential threshold interventions for BLLs and UCd concentrations. Median follow-up was 22.5 years. A total of 5167 (36%) participants died by the end of the study, including 1550 from cardiovascular diseases and 1135 from cancer. Increases in BLLs and creatinine-corrected UCd levels from the 5th to the 95th percentiles were associated with risk differences of 4.17% (1.54 to 8.77) and 6.22% (4.51 to 12.00) for all-cause mortality, 1.52% (0.09 to 3.74) and 1.06% (-0.57 to 3.50) for cardiovascular disease mortality, and 1.32% (-0.09 to 3.67) and 0.64% (-0.98 to 2.80) for cancer mortality, respectively. Interventions to reduce historical exposures to lead and cadmium may have prevented premature deaths, especially from cardiovascular disease.
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Affiliation(s)
- Nasser Laouali
- Department of Biostatistics and Epidemiology, School of Public Health and Health Sciences, University of Massachusetts at Amherst, Amherst, MA 01003, USA
- Scripps Institution of Oceanography, University of California, San Diego, CA 95616, USA
- CESP UMR1018, Université Paris-Saclay, UVSQ, Inserm, Gustave Roussy, 94800 Villejuif, France
- Correspondence:
| | - Tarik Benmarhnia
- Scripps Institution of Oceanography, University of California, San Diego, CA 95616, USA
| | - Bruce P. Lanphear
- Child and Family Research Institute, BC Children’s Hospital, Vancouver, BC V6H 3N1, Canada
- Faculty of Health Sciences, Simon Fraser University, Burnaby, BC V5A 1S6, Canada
| | - Youssef Oulhote
- Department of Biostatistics and Epidemiology, School of Public Health and Health Sciences, University of Massachusetts at Amherst, Amherst, MA 01003, USA
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Rončević A, Koruga N, Soldo Koruga A, Debeljak Ž, Rončević R, Turk T, Kretić D, Rotim T, Krivdić Dupan Z, Troha D, Perić M, Šimundić T. MALDI Imaging Mass Spectrometry of High-Grade Gliomas: A Review of Recent Progress and Future Perspective. Curr Issues Mol Biol 2023; 45:838-851. [PMID: 36826000 PMCID: PMC9955680 DOI: 10.3390/cimb45020055] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2022] [Revised: 12/22/2022] [Accepted: 01/14/2023] [Indexed: 01/20/2023] Open
Abstract
Glioblastoma (GBM) is the most common malignancy of the brain with a relatively short median survival and high mortality. Advanced age, high socioeconomic status, exposure to ionizing radiation, and other factors have been correlated with an increased incidence of GBM, while female sex hormones, history of allergies, and frequent use of specific drugs might exert protective effects against this disease. However, none of these explain the pathogenesis of GBM. The most recent WHO classification of CNS tumors classifies neoplasms based on their histopathological and molecular characteristics. Modern laboratory techniques, such as matrix-assisted laser desorption/ionization (MALDI) imaging mass spectrometry, enable the comprehensive metabolic analysis of the tissue sample. MALDI imaging is able to characterize the spatial distribution of a wide array of biomolecules in a sample, in combination with histological features, without sacrificing the tissue integrity. In this review, we first provide an overview of GBM epidemiology, risk, and protective factors, as well as the recent WHO classification of CNS tumors. We then provide an overview of mass spectrometry workflow, with a focus on MALDI imaging, and recent advances in cancer research. Finally, we conclude the review with studies of GBM that utilized MALDI imaging and offer our perspective on future research.
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Affiliation(s)
- Alen Rončević
- Department of Neurosurgery, University Hospital Center Osijek, 31000 Osijek, Croatia
- Faculty of Medicine, Josip Juraj Strossmayer University of Osijek, 31000 Osijek, Croatia
- Correspondence: ; Tel.: +385-98-169-8481
| | - Nenad Koruga
- Department of Neurosurgery, University Hospital Center Osijek, 31000 Osijek, Croatia
- Faculty of Medicine, Josip Juraj Strossmayer University of Osijek, 31000 Osijek, Croatia
| | - Anamarija Soldo Koruga
- Faculty of Medicine, Josip Juraj Strossmayer University of Osijek, 31000 Osijek, Croatia
- Department of Neurology, University Hospital Center Osijek, 31000 Osijek, Croatia
| | - Željko Debeljak
- Faculty of Medicine, Josip Juraj Strossmayer University of Osijek, 31000 Osijek, Croatia
- Clinical Institute of Laboratory Diagnostics, University Hospital Center Osijek, 31000 Osijek, Croatia
| | - Robert Rončević
- Faculty of Medicine, Josip Juraj Strossmayer University of Osijek, 31000 Osijek, Croatia
- Department of Diagnostic and Interventional Radiology, University Hospital Center Osijek, 31000 Osijek, Croatia
| | - Tajana Turk
- Faculty of Medicine, Josip Juraj Strossmayer University of Osijek, 31000 Osijek, Croatia
- Department of Diagnostic and Interventional Radiology, University Hospital Center Osijek, 31000 Osijek, Croatia
| | - Domagoj Kretić
- Faculty of Medicine, Josip Juraj Strossmayer University of Osijek, 31000 Osijek, Croatia
- Department of Diagnostic and Interventional Radiology, University Hospital Center Osijek, 31000 Osijek, Croatia
| | - Tatjana Rotim
- Faculty of Medicine, Josip Juraj Strossmayer University of Osijek, 31000 Osijek, Croatia
- Department of Diagnostic and Interventional Radiology, University Hospital Center Osijek, 31000 Osijek, Croatia
| | - Zdravka Krivdić Dupan
- Faculty of Medicine, Josip Juraj Strossmayer University of Osijek, 31000 Osijek, Croatia
- Department of Diagnostic and Interventional Radiology, University Hospital Center Osijek, 31000 Osijek, Croatia
| | - Damir Troha
- Department of Radiology, Vinkovci General Hospital, 31000 Osijek, Croatia
| | - Marija Perić
- Faculty of Medicine, Josip Juraj Strossmayer University of Osijek, 31000 Osijek, Croatia
- Department of Clinical Cytology, University Hospital Center Osijek, 31000 Osijek, Croatia
| | - Tihana Šimundić
- Faculty of Medicine, Josip Juraj Strossmayer University of Osijek, 31000 Osijek, Croatia
- Department of Nephrology, University Hospital Center Osijek, 31000 Osijek, Croatia
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8
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Nguyen HD. Prognostic biomarker prediction for glioma induced by heavy metals and their mixtures: An in-silico study. Toxicol Appl Pharmacol 2023; 459:116356. [PMID: 36563751 DOI: 10.1016/j.taap.2022.116356] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Revised: 12/02/2022] [Accepted: 12/15/2022] [Indexed: 12/24/2022]
Abstract
Although there is an association between heavy metals and glioma, the molecular mechanisms involved in glioma development remain unclear. Therefore, this study aimed to assess the molecular mechanisms implicated in glioma development induced by heavy metals and their mixtures using various methodologies and databases (CTD, Google Scholar, PubMed, ScienceDirect, SpringerLink, miRNAsong, GeneMANIA, Metascape, MIENTURNET, UALCAN). I found that heavy metals, particularly arsenic, mercury, lead, and cadmium, as well as their mixtures, have substantial influences on the etiology of gliomas. "glioblastoma signaling pathways," "integrated cancer pathway," "central carbon metabolism in cancer," "microRNAs in cancer," "p53 signaling pathway," "chemical carcinogenesis-DNA adducts," "glioma," "TP53 network," and "MAPK signaling pathway" were the predominant molecular pathways implicated in the glioma development induced by the studied heavy metals and their mixtures. Five genes (SOD1, CAT, GSTP1, PTGS2, TNF), two miRNAs (hsa-miR-26b-5p and hsa-miR-143-3p), and transcription factors (DR1 and HNF4) were identified as key components related to combined heavy metal and glioma development. Physical interactions were found to be the most common among the heavy metals and their mixtures studied (ranging from 45.2% to 77.6%). The expression level of SOD1 was significantly lower in glioblastoma multiforma samples compared to normal samples, whereas GSTP1 and TP53 expression levels were significantly higher. Brain lower and grade glioma patients who had higher levels of TP53, hsa-miR-25, hsa-miR-34, hsa-miR-222, and hsa-miR-143 had a reduced likelihood of survival. Our findings suggest that further priority should be given to investigating the impact of specific heavy metals or their mixtures on these molecular processes.
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Affiliation(s)
- Hai Duc Nguyen
- Department of Pharmacy, College of Pharmacy, Research Institute of Life and Pharmaceutical Sciences, Sunchon National University, Suncheon 57922, Republic of Korea.
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9
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Grochans S, Cybulska AM, Simińska D, Korbecki J, Kojder K, Chlubek D, Baranowska-Bosiacka I. Epidemiology of Glioblastoma Multiforme–Literature Review. Cancers (Basel) 2022; 14:cancers14102412. [PMID: 35626018 PMCID: PMC9139611 DOI: 10.3390/cancers14102412] [Citation(s) in RCA: 150] [Impact Index Per Article: 75.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Revised: 05/10/2022] [Accepted: 05/11/2022] [Indexed: 02/01/2023] Open
Abstract
Simple Summary Glioblastoma multiforme (GBM) is one of the most aggressive malignancies, accounting for 14.5% of all central nervous system tumors and 48.6% of malignant central nervous system tumors. The median overall survival (OS) of GBM patients is only 15 months. The aim of this review was to provide an overview of the epidemiology of GBM and factors that may have a significant impact on the risk of GBM. Abstract Glioblastoma multiforme (GBM) is one of the most aggressive malignancies, with a median overall survival of approximately 15 months. In this review, we analyze the pathogenesis of GBM, as well as epidemiological data, by age, gender, and tumor location. The data indicate that GBM is the higher-grade primary brain tumor and is significantly more common in men. The risk of being diagnosed with glioma increases with age, and median survival remains low, despite medical advances. In addition, it is difficult to determine clearly how GBM is influenced by stimulants, certain medications (e.g., NSAIDs), cell phone use, and exposure to heavy metals.
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Affiliation(s)
- Szymon Grochans
- Department of Biochemistry and Medical Chemistry, Pomeranian Medical University in Szczecin, Powstańców Wielkopolskich. 72 St., 70-111 Szczecin, Poland; (S.G.); (D.S.); (J.K.); (D.C.); (I.B.-B.)
| | - Anna Maria Cybulska
- Department of Nursing, Pomeranian Medical University in Szczecin, Żołnierska 48 St., 71-210 Szczecin, Poland
- Correspondence:
| | - Donata Simińska
- Department of Biochemistry and Medical Chemistry, Pomeranian Medical University in Szczecin, Powstańców Wielkopolskich. 72 St., 70-111 Szczecin, Poland; (S.G.); (D.S.); (J.K.); (D.C.); (I.B.-B.)
| | - Jan Korbecki
- Department of Biochemistry and Medical Chemistry, Pomeranian Medical University in Szczecin, Powstańców Wielkopolskich. 72 St., 70-111 Szczecin, Poland; (S.G.); (D.S.); (J.K.); (D.C.); (I.B.-B.)
- Department of Ruminants Science, Faculty of Biotechnology and Animal Husbandry, West Pomeranian University of Technology, Klemensa Janickiego 29 St., 71-270 Szczecin, Poland
| | - Klaudyna Kojder
- Department of Anaesthesiology and Intensive Care, Pomeranian Medical University in Szczecin, Unii Lubelskiej 1 St., 71-281 Szczecin, Poland;
| | - Dariusz Chlubek
- Department of Biochemistry and Medical Chemistry, Pomeranian Medical University in Szczecin, Powstańców Wielkopolskich. 72 St., 70-111 Szczecin, Poland; (S.G.); (D.S.); (J.K.); (D.C.); (I.B.-B.)
| | - Irena Baranowska-Bosiacka
- Department of Biochemistry and Medical Chemistry, Pomeranian Medical University in Szczecin, Powstańców Wielkopolskich. 72 St., 70-111 Szczecin, Poland; (S.G.); (D.S.); (J.K.); (D.C.); (I.B.-B.)
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10
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Zhang J, Nazeri SA, Sohrabi A. Lead (Pb) exposure from outdoor air pollution: a potential risk factor for cervical intraepithelial neoplasia related to HPV genotypes. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:26969-26976. [PMID: 34904215 PMCID: PMC8989827 DOI: 10.1007/s11356-021-17608-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/12/2021] [Accepted: 11/14/2021] [Indexed: 06/14/2023]
Abstract
Human papillomavirus genotypes (HPVs) have been confirmed to be the major cause of cervical intraepithelial neoplasia (CIN) that remains to be one of the most common women cancers around the world. It seems other risk factors have synergistic effects on cervical cancer occurrence including smoking, dietary pattern, sexual behavior, ethnicity, epigenetics, and environmental hazardous materials. Our study characterized the potential cancerous role of lead (Pb) as a common toxic environmental pollutant agent on CIN outcomes. Lead concentration was quantified using an atomic absorption spectrometer in liquid-based cytology specimens of 40 CIN-HPV positive subjects, 50 HPV infected non-cancerous cases, and 43 non-HPV infected/non-cancerous women. Pb concentration was 5.5 (4.7-6.4) μg/dL, 4.7 (4.2-8.7) μg/dL, and 4.7 (4.5-5.4) μg/dL in the CIN-HPV positive group, HPV infected non-cancerous cases, and non-HPV infected/non-cancerous group, respectively. The results showed higher Pb concentration is associated with higher risk for cervical malignancy in comparison with non-HPV infected/non-cancerous subjects, after controlling for age effect (aOR = 4.55, 95% CI: 1.55-15.07, P < 0.01). Our finding suggested a direct significant association between Pb accumulation and CIN existence. The consequences need to be further validated by including more relevant risk factors and controlling the confounders for better understating of Pb impact from outdoor air pollution on cervical cancer progression.
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Affiliation(s)
- Ji Zhang
- Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Nobels väg 12A, PO Box 171 65, Stockholm, Sweden
| | - Seyed Ali Nazeri
- Research Center of Health Reference Laboratory, Ministry of Health and Medical Education, Tehran, Iran
| | - Amir Sohrabi
- Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Nobels väg 12A, PO Box 171 65, Stockholm, Sweden.
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11
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Gaman L, Radoi MP, Delia CE, Luzardo OP, Zumbado M, Rodríguez-Hernández Á, Stoian I, Gilca M, Boada LD, Henríquez-Hernández LA. Concentration of heavy metals and rare earth elements in patients with brain tumours: Analysis in tumour tissue, non-tumour tissue, and blood. INTERNATIONAL JOURNAL OF ENVIRONMENTAL HEALTH RESEARCH 2021; 31:741-754. [PMID: 31674203 DOI: 10.1080/09603123.2019.1685079] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/25/2019] [Accepted: 10/22/2019] [Indexed: 06/10/2023]
Abstract
Inorganic elements have been associated with brain tumours for long. The blood concentration of 47 elements was assessed by ICP-MS in 26 brain tumour patients and 21 healthy subjects from Bucharest (Romania). All 47 elements were detected in the brain tumour tissue, and 22 were detected in > 80% of samples; this implies that these elements can cross the blood-brain barrier. Median blood levels of cadmium, lead, and nickel were higher than the reference values (1.14, 53.3, and 2.53 ng/mL). Gadolinium and tantalum showed significantly higher concentrations among cases. We observed considerable differences and different profiles of the presence of inorganic elements between the tumour and non-tumour brain tissue and between tissue from the primary tumour and tissue from brain metastasis. Our data suggest that similar to heavy metals, other elements - commonly used in high tech devices and rare earth elements - can also influence brain tumour.
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Affiliation(s)
- Laura Gaman
- Faculty of Medicine, University of Medicine and Pharmacy Carol Davila, Bucharest, Romania
| | - Mugurel Petrinel Radoi
- Faculty of Medicine, University of Medicine and Pharmacy Carol Davila, Bucharest, Romania
- Neurosurgical Department, National Institute of Neurology and Neurovascular Diseases, Bucharest, Romania
| | - Corina Elena Delia
- Faculty of Biology, University of Bucharest, Bucharest, Romania
- Biochemistry Laboratory, National Institute for the Mother and Child Health Alessandrescu Rusescu, Bucharest, Romania
| | - Octavio P Luzardo
- Toxicology Unit, Research Institute of Biomedical and Health Sciences (IUIBS), Department of Clinical Sciences, Universidad de Las Palmas de Gran Canaria, Las Palmas de Gran Canaria, Spain
| | - Manuel Zumbado
- Toxicology Unit, Research Institute of Biomedical and Health Sciences (IUIBS), Department of Clinical Sciences, Universidad de Las Palmas de Gran Canaria, Las Palmas de Gran Canaria, Spain
| | - Ángel Rodríguez-Hernández
- Toxicology Unit, Research Institute of Biomedical and Health Sciences (IUIBS), Department of Clinical Sciences, Universidad de Las Palmas de Gran Canaria, Las Palmas de Gran Canaria, Spain
| | - Irina Stoian
- Faculty of Medicine, University of Medicine and Pharmacy Carol Davila, Bucharest, Romania
| | - Marilena Gilca
- Faculty of Medicine, University of Medicine and Pharmacy Carol Davila, Bucharest, Romania
| | - Luis D Boada
- Toxicology Unit, Research Institute of Biomedical and Health Sciences (IUIBS), Department of Clinical Sciences, Universidad de Las Palmas de Gran Canaria, Las Palmas de Gran Canaria, Spain
| | - Luis Alberto Henríquez-Hernández
- Toxicology Unit, Research Institute of Biomedical and Health Sciences (IUIBS), Department of Clinical Sciences, Universidad de Las Palmas de Gran Canaria, Las Palmas de Gran Canaria, Spain
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12
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Hussain T, Paranthaman S, Rizvi SMD, Moin A, Gowda DV, Subaiea GM, Ansari M, Alanazi AS. Fabrication and Characterization of Paclitaxel and Resveratrol Loaded Soluplus Polymeric Nanoparticles for Improved BBB Penetration for Glioma Management. Polymers (Basel) 2021; 13:polym13193210. [PMID: 34641026 PMCID: PMC8512154 DOI: 10.3390/polym13193210] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2021] [Revised: 09/07/2021] [Accepted: 09/18/2021] [Indexed: 12/11/2022] Open
Abstract
Gliomas are one of the prominent cancers of the central nervous system with limited therapeutic modalities. The present investigation evaluated the synergistic effect of paclitaxel (PAX) and resveratrol (RESV)-loaded Soluplus polymeric nanoparticles (PNPs) against glioma cell lines along with in vivo pharmacokinetics and brain distribution study. PAX-RESV-loaded PNPs were prepared by the thin film hydration technique and optimized for different dependent and independent variables by using DoE (Design-Expert) software. The in vitro physiochemical characterization of prepared PAX-RESV-loaded PNPs exhibited appropriate particle size, PDI and % encapsulation efficiency. Cytotoxicity assay revealed that PTX-RESV loaded PNPs had a synergistic antitumor efficacy against C6 glioma cells compared with single and combined pure drugs. Finally, the pharmacokinetic and brain distribution studies in mice demonstrated that the PNPs significantly enhanced the bioavailability of PTX-RESV PNPs than pure PAX and RESV. Thus, the study concluded that PAX-RESV PNPs combination could significantly enhance anti-glioma activity, and this could be developed into a potential glioma treatment strategy.
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Affiliation(s)
- Talib Hussain
- Department of Pharmacology and Toxicology, College of Pharmacy, University of Hail, Hail 81442, Saudi Arabia; (T.H.); (G.M.S.)
| | - Sathishbabu Paranthaman
- Department of Pharmaceutics, JSS College of Pharmacy, Mysuru 570015, India; (S.P.); (D.V.G.)
| | - Syed Mohd Danish Rizvi
- Department of Pharmaceutics, College of Pharmacy, University of Hail, Hail 81442, Saudi Arabia
- Correspondence: (S.M.D.R.); (A.M.)
| | - Afrasim Moin
- Department of Pharmaceutics, College of Pharmacy, University of Hail, Hail 81442, Saudi Arabia
- Correspondence: (S.M.D.R.); (A.M.)
| | | | - Gehad Muhammed Subaiea
- Department of Pharmacology and Toxicology, College of Pharmacy, University of Hail, Hail 81442, Saudi Arabia; (T.H.); (G.M.S.)
| | - Mukhtar Ansari
- Department of Clinical Pharmacy, College of Pharmacy, University of Hail, Hail 81442, Saudi Arabia; (M.A.); (A.S.A.)
| | - Abulrahman Sattam Alanazi
- Department of Clinical Pharmacy, College of Pharmacy, University of Hail, Hail 81442, Saudi Arabia; (M.A.); (A.S.A.)
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13
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Raghavapudi H, Singroul P, Kohila V. Brain Tumor Causes, Symptoms, Diagnosis and Radiotherapy Treatment. Curr Med Imaging 2021; 17:931-942. [PMID: 33573575 DOI: 10.2174/1573405617666210126160206] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2020] [Revised: 12/15/2020] [Accepted: 12/17/2020] [Indexed: 11/22/2022]
Abstract
The strategy used for the treatment of given brain cancer is critical in determining the post effects and survival. An oncological diagnosis of tumor evaluates a range of parameters such as shape, size, volume, location and neurological complexity that define the symptomatic severity. The evaluation determines a suitable treatment approach chosen from a range of options such as surgery, chemotherapy, hormone therapy, radiation therapy and other targeted therapies. Often, a combination of such therapies is applied to achieve superior results. Radiotherapy serves as a better treatment strategy because of a higher survival rate. It offers the flexibility of synergy with other treatment strategies and fewer side effects on organs at risk. This review presents a radiobiological perspective in the treatment of brain tumor. The cause, symptoms, diagnosis, treatment, post-treatment effects and the framework involved in its elimination are summarized.
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Affiliation(s)
- Haarika Raghavapudi
- Department of Biotechnology, National Institute of Technology Warangal, Warangal -506004, Telangana, India
| | - Pankaj Singroul
- Department of Biotechnology, National Institute of Technology Warangal, Warangal -506004, Telangana, India
| | - V Kohila
- Department of Biotechnology, National Institute of Technology Warangal, Warangal -506004, Telangana, India
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14
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Zhao X, Liang K, Zhu H, Wang J. Health risk assessment of heavy metals contamination in selenium-enriched eggs. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:27047-27055. [PMID: 33506414 DOI: 10.1007/s11356-021-12547-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/28/2020] [Accepted: 01/14/2021] [Indexed: 06/12/2023]
Abstract
This study aims to quantify the amount of selenium (Se) generally consumed in the Chinese diet via Se-enriched eggs, as well as the levels of lead (Pb), arsenic (As), cadmium (Cd), chromium (Cr), and mercury (Hg) in such eggs, and to assess the health risks associated with their consumption in China. As would be expected, Se was found to present significantly higher geometric mean levels in the Se-enriched eggs (0.464 mg/kg) than in normal eggs (0.304 mg/kg); however, Se concentrations were also closely related to the Cr and Pb in the eggs, with the Pb levels found to exceed the Chinese standard limit. Therefore, the quantity of Pb in Se-enriched eggs requires attention. According to estimated daily intake (EDI) evaluations of Se and heavy metals, levels were found to be highest via children for all metals in the eggs, In adults, the total target hazard quotient (TTHQ) for Se, Pb, Cd, As, Hg, and Cr contamination in eggs were calculated to be below the standard limit of 1, thus confirming that Se-enriched eggs may be considered safe for consumption by adults. However, the THQ of as was higher than 1 in the children aged of 2-4 years, and the TTHQ values were higher than 1 in boys aged 2-9 and girls aged 2-8, indicating a significant non-carcinogenic health risk due to the intake of maximum metals in the eggs samples. Thus, the safety of selenium-enriched eggs for children should be of wide concern. In conclusion, while Se-enriched eggs offer high levels of selenium, their health safety is concerning.
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Affiliation(s)
- Xin Zhao
- Institute of Food and Nutrition Development, Ministry of Agriculture and Rural Affairs, Beijing, 100081, People's Republic of China
| | - Kehong Liang
- Institute of Food and Nutrition Development, Ministry of Agriculture and Rural Affairs, Beijing, 100081, People's Republic of China.
| | - Hong Zhu
- Institute of Food and Nutrition Development, Ministry of Agriculture and Rural Affairs, Beijing, 100081, People's Republic of China
| | - Jing Wang
- Institute of Food and Nutrition Development, Ministry of Agriculture and Rural Affairs, Beijing, 100081, People's Republic of China
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15
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Ghosh K, Ghosh S, Chatterjee U, Bhattacharjee P, Ghosh A. Dichotomy in Growth and Invasion from Low- to High-Grade Glioma Cellular Variants. Cell Mol Neurobiol 2021; 42:2219-2234. [PMID: 33978861 DOI: 10.1007/s10571-021-01096-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2020] [Accepted: 04/28/2021] [Indexed: 11/29/2022]
Abstract
Glial dysfunction outraging CNS plasticity and integrity results in one of the most dangerous cancers, namely glioma, featuring little median survival period and high recurrence. The hallmark properties of proliferation, invasion and angiogenesis with the infiltrated macrophages in glioma are expected to be tightly coupled or cross-linked, but not properly related so far. The present study is aimed to find a relationship between this featured quadrangle from lower to higher grades (HG) of post-operative glioma tissues and their invading subsets. Elevated Ki67-associated proliferation in lower grades (LG) was supported with VEGF dependent angiogenic maintenance which found a decrease unlikely in HG. In contrast, MMP 2 and 9-associated invasions augmented high in HG with the dominant presence of CD204+ M2 polarized macrophages and a general increase in global DNMT1-associated methylation. Marked differences found in ECM invading cellular subsets of HG showing high proliferative capacity indicating rationally for recurrence, contrasting the nature of gross tumor tissue of the same grade. Thus in LG, the neoplastic lesion is more inclined to its growth while in higher grade more disposed towards tissue wreckage in support with cellular environmental milieu whereas the cellular variants and subsets of invaded cells showed different trends. Therefore, some operational dichotomy or coupling among cellular variants in glioma is active in determining its low- to high-grade transition and aggressive progression.
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Affiliation(s)
- Krishnendu Ghosh
- Immunobiology Laboratory, Department of Zoology, Panihati Mahavidyalaya, Kolkata, West Bengal, India.,Environmental Epigenomics Laboratory, Department of Environmental Science, University of Calcutta, Kolkata, West Bengal, India
| | - Samarendranath Ghosh
- Department of Neurosurgery, Bangur Institute of Neurosciences (BIN), Institute of Post Graduate Medical Education and Research (IPGME&R), Kolkata, West Bengal, India
| | - Uttara Chatterjee
- Department of Pathology, Institute of Post Graduate Medical Education and Research (IPGME&R), Kolkata, West Bengal, India
| | - Pritha Bhattacharjee
- Environmental Epigenomics Laboratory, Department of Environmental Science, University of Calcutta, Kolkata, West Bengal, India
| | - Anirban Ghosh
- Immunobiology Laboratory, Department of Zoology, Panihati Mahavidyalaya, Kolkata, West Bengal, India. .,Department of Zoology, School of Sciences, Netaji Subhas Open University, DD-26, Salt Lake, Sector-I, Kolkata, West Bengal, 700064, India.
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16
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Ambe S, Lyon KA, Oh J, Rogers MKN, Olanipekun O, Basil NN, Fonkem E. Racial Disparities in Malignant Primary Brain Tumor Survival in Texas From 1995 to 2013. Cureus 2020; 12:e11710. [PMID: 33391943 PMCID: PMC7769829 DOI: 10.7759/cureus.11710] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
BACKGROUND Differences among the top five races in Texas will be explored to determine if racial, geographic, and healthcare disparities exist in patients undergoing treatment for a primary malignant brain tumor. METHODS Data were obtained from the Texas Cancer Registry from 1995 to 2013. SAS 9.3 (SAS Institute, Inc., Cary, NC) and SEER*Stat 8.3.2 (National Cancer Institute, Bethesda, MD) software were used to analyze death from malignant brain tumors and cause-specific survival. Survival rates were compared using Kaplan-Meier curves and Log-Rank tests. Hazard ratios were estimated using the Cox proportional hazards regression model. RESULTS Median survival was highest among Asians at 92 months (95% CI: 72, 142) and least among Whites at 20 months (95% CI: 19, 21). Patients living in the Upper Gulf Coast region of Texas had the longest survival time at 31 months (95% CI 29-35%), while those patients in the Texas Panhandle had the shortest survival time at 18 months (95% CI 14-23%). Patients with a poverty index of 0-5% had the highest median survival time of 32 months (95% CI 29-35%), as compared to patients with a poverty index of 10-20% who had a median survival of 22 months (95% CI 21-24%). CONCLUSIONS Ethnic minorities and higher socioeconomic class demonstrated survival advantage. White males had the worst survival of those with primary malignant brain tumors. Other significant factors affecting a patient's survival rate included geographic location, poverty index, sex, and age, thus suggesting a potential genetic and environmental influence.
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Affiliation(s)
- Solomon Ambe
- Neurology, Tulane University School of Medicine, New Orleans, USA
| | - Kristopher A Lyon
- Neurosurgery, Baylor Scott & White Medical Center - Temple, Temple, USA
| | - Janice Oh
- Internal Medicine, Cedars-Sinai Medical Center, Los Angeles, USA
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17
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Bjørklund G, Pivina L, Dadar M, Semenova Y, Chirumbolo S, Aaseth J. Mercury Exposure, Epigenetic Alterations and Brain Tumorigenesis: A Possible Relationship? Curr Med Chem 2020; 27:6596-6610. [DOI: 10.2174/0929867326666190930150159] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2019] [Revised: 06/11/2019] [Accepted: 08/30/2019] [Indexed: 12/09/2022]
Abstract
The risk assessment of mercury (Hg), in both wildlife and humans, represents an increasing
challenge. Increased production of Reactive Oxygen Species (ROS) is a known Hg-induced
toxic effect, which can be accentuated by other environmental pollutants and by complex interactions
between environmental and genetic factors. Some epidemiological and experimental studies
have investigated a possible correlation between brain tumors and heavy metals. Epigenetic modifications
in brain tumors include aberrant activation of genes, hypomethylation of specific genes,
changes in various histones, and CpG hypermethylation. Also, Hg can decrease the bioavailability
of selenium and induce the generation of reactive oxygen that plays important roles in different
pathological processes. Modification of of metals can induce excess ROS and cause lipid peroxidation,
alteration of proteins, and DNA damage. In this review, we highlight the possible relationship
between Hg exposure, epigenetic alterations, and brain tumors.
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Affiliation(s)
- Geir Bjørklund
- Council for Nutritional and Environmental Medicine (CONEM), Mo i Rana, Norway
| | | | - Maryam Dadar
- Razi Vaccine and Serum Research Institute, Agricultural Research, Education and Extension Organization (AREEO), Karaj, Iran
| | | | - Salvatore Chirumbolo
- Department of Neurosciences, Biomedicine and Movement Sciences, University of Verona, Verona, Italy
| | - Jan Aaseth
- Research Department, Innlandet Hospital Trust, Brumunddal, Norway
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Tsiailanis AD, Renziehausen A, Kiriakidi S, Vrettos EI, Markopoulos GS, Sayyad N, Hirmiz B, Aguilar MI, Del Borgo MP, Kolettas E, Widdop RE, Mavromoustakos T, Crook T, Syed N, Tzakos AG. Enhancement of glioblastoma multiforme therapy through a novel Quercetin-Losartan hybrid. Free Radic Biol Med 2020; 160:391-402. [PMID: 32822744 DOI: 10.1016/j.freeradbiomed.2020.08.007] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/22/2020] [Revised: 07/31/2020] [Accepted: 08/08/2020] [Indexed: 12/22/2022]
Abstract
Glioblastoma multiforme (GBM) is the most common and aggressive primary malignant brain tumor. Maximal surgical resection followed by radiotherapy and concomitant chemotherapy with temozolomide remains the first-line therapy, prolonging the survival of patients by an average of only 2.5 months. There is therefore an urgent need for novel therapeutic strategies to improve clinical outcomes. Reactive oxygen species (ROS) are an important contributor to GBM development. Here, we describe the rational design and synthesis of a stable hybrid molecule tethering two ROS regulating moieties, with the aim of constructing a chemopreventive and anticancer chemical entity that retains the properties of the parent compounds. We utilized the selective AT1R antagonist losartan, leading to the inhibition of ROS levels, and the antioxidant flavonoid quercetin. In GBM cells, we show that this hybrid retains the binding potential of losartan to the AT1R through competition-binding experiments and simultaneously exhibits ROS inhibition and antioxidant capacity similar to native quercetin. In addition, we demonstrate that the hybrid is able to alter the cell cycle distribution of GBM cells, leading to cell cycle arrest and to the induction of cytotoxic effects. Last, the hybrid significantly and selectively reduces cancer cell proliferation and angiogenesis in primary GBM cultures with respect to the isolated parent components or their simple combination, further emphasizing the potential utility of the current hybridization approach in GBM.
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Affiliation(s)
- Antonis D Tsiailanis
- University of Ioannina, Section of Organic Chemistry and Biochemistry, Department of Chemistry, Ioannina, Greece
| | - Alexander Renziehausen
- John Fulcher Neuro-Oncology Laboratory, Imperial College London, Hammersmith Hospital, London, UK
| | - Sofia Kiriakidi
- National and Kapodistrian University of Athens, Department of Chemistry, Athens, Greece
| | - Eirinaios I Vrettos
- University of Ioannina, Section of Organic Chemistry and Biochemistry, Department of Chemistry, Ioannina, Greece
| | - Georgios S Markopoulos
- University of Ioannina, School of Medicine, Faculty of Health Sciences, Laboratory of Biology, University Campus, 45110, Ioannina, Greece; Institute of Molecular Biology and Biotechnology, Foundation for Research and Technology, Biomedical Research Division, 45115, Ioannina, Greece
| | - Nisar Sayyad
- University of Ioannina, Section of Organic Chemistry and Biochemistry, Department of Chemistry, Ioannina, Greece
| | - Baydaa Hirmiz
- Monash Biomedicine Discovery Institute and Department of Biochemistry and Molecular Biology, Monash University, Clayton, VIC, 3800, Australia
| | - Marie-Isabel Aguilar
- Monash Biomedicine Discovery Institute and Department of Biochemistry and Molecular Biology, Monash University, Clayton, VIC, 3800, Australia
| | - Mark P Del Borgo
- Monash Biomedicine Discovery Institute and Department of Biochemistry and Molecular Biology, Monash University, Clayton, VIC, 3800, Australia
| | - Evangelos Kolettas
- University of Ioannina, School of Medicine, Faculty of Health Sciences, Laboratory of Biology, University Campus, 45110, Ioannina, Greece; Institute of Molecular Biology and Biotechnology, Foundation for Research and Technology, Biomedical Research Division, 45115, Ioannina, Greece
| | - Robert E Widdop
- Monash Biomedicine Discovery Institute and Department of Pharmacology, Monash University, Clayton, VIC, 3800, Australia
| | - Thomas Mavromoustakos
- National and Kapodistrian University of Athens, Department of Chemistry, Athens, Greece
| | - Tim Crook
- John Fulcher Neuro-Oncology Laboratory, Imperial College London, Hammersmith Hospital, London, UK.
| | - Nelofer Syed
- John Fulcher Neuro-Oncology Laboratory, Imperial College London, Hammersmith Hospital, London, UK.
| | - Andreas G Tzakos
- University of Ioannina, Section of Organic Chemistry and Biochemistry, Department of Chemistry, Ioannina, Greece; University Research Center of Ioannina (URCI), Institute of Materials Science and Computing, Ioannina, Greece.
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Meng Y, Tang C, Yu J, Meng S, Zhang W. Exposure to lead increases the risk of meningioma and brain cancer: A meta-analysis. J Trace Elem Med Biol 2020; 60:126474. [PMID: 32146339 DOI: 10.1016/j.jtemb.2020.126474] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/16/2019] [Revised: 02/01/2020] [Accepted: 02/17/2020] [Indexed: 12/26/2022]
Abstract
OBJECTIVE To analyze the relationship between environmental lead exposure and various types of brain tumors. METHODS Search databases PubMed, Web of Science, Embase and Chinese National Knowledge Infrastructure (CNKI) as of July 1, 2019. Stata 15.0 software was used for analysis. RESULTS In the case control, lead exposure was associated with gliomas and meningiomas 0.82 (95 % CI: 0.69, 0.95) and 1.06 (95 % CI: 0.65, 1.46). In the cohort study, lead exposure was associated with brain cancer and meningiomas 1.07 (95 % CI: 0.95, 1.19) and 1.06 (95 % CI: 0.94, 1.17). The risk of childhood brain tumors associated with parental lead exposure was 1.17 (95 % CI: 0.99, 1.34). CONCLUSIONS Lead may be a risk factor for meningiomas and brain cancers. However, the glioma results suggest that lead may be a protective factor, which needs to be further studied.
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Affiliation(s)
- Yu Meng
- School of Medicine, College of Arts & Science of Jianghan University, Wuhan 430000, China.
| | - Caoli Tang
- School of Health Sciences, Wuhan University, Wuhan 430071, China.
| | - Jun Yu
- School of Health Sciences, Wuhan University, Wuhan 430071, China.
| | - Shiyao Meng
- School of Geodesy and Geomatics, Wuhan University, Wuhan 430079, China.
| | - Wanying Zhang
- School of Medicine, College of Arts & Science of Jianghan University, Wuhan 430000, China.
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20
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Occupational Lead Exposure and Brain Tumors: Systematic Review and Meta-Analysis. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2020; 17:ijerph17113975. [PMID: 32503353 PMCID: PMC7312535 DOI: 10.3390/ijerph17113975] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/07/2020] [Revised: 05/27/2020] [Accepted: 05/29/2020] [Indexed: 12/23/2022]
Abstract
(1) Background: Due to inconsistencies in epidemiological findings, there has been uncertainty regarding the association of lead compounds with brain tumors. We performed a meta-analysis of published case-control and cohort studies exploring lead compound exposure and brain tumor risk. (2) Methods: We searched PubMed, Embase®, and Cochrane to find eligible studies. Eighteen studies were selected for assessment of occupational exposure to lead compound and brain tumor. Pooled estimates of odds ratios (ORs) were obtained using random effects models. We assessed the differences through subgroup analysis according to tumor type, study design, measurements of exposure, and tumor outcome. Statistical tests for publication bias, heterogeneity, and sensitivity analysis were applied. (3) Results: Our systematic review and meta-analysis showed a not significant association with lead exposure and risk of benign and malignant brain tumors (pooled OR = 1.11, 95% Confidence Interval (CI): 0.95–1.29). Including only malignant brain tumors, the risk of brain tumor was significantly increased (pooled OR = 1.13, 95% CI: 1.04–1.24). (4) Conclusions: This meta-analysis provides suggestive evidence for an association between lead compound exposure and brain tumor. In future studies, it will be necessary to identify the effect of lead compounds according to the types of brain tumor.
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Sabi SH, Khabour OF, Alzoubi KH, Cobb CO, Eissenberg T. Changes at global and site-specific DNA methylation of MLH1 gene promoter induced by waterpipe smoking in blood lymphocytes and oral epithelial cells. Inhal Toxicol 2020; 32:124-130. [PMID: 32319830 DOI: 10.1080/08958378.2020.1754972] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Objective: Cigarette tobacco smoking has been shown to cause cancer through different mechanisms that include epigenetic modulation of tumor-suppressor genes. In the present study, the association between global and MLH1 gene promoter methylation and waterpipe tobacco smoking was investigated. Materials and Methods: Blood lymphocytes and oral epithelium were sampled from 150 pure waterpipe smokers and 150 never-smokers from Jordan. Methylation assessment was performed using the methylation-specific PCR technique for MLH1 gene and ELISA for global DNA methylation. Results: Significant increases were shown in global DNA methylation as measured in blood lymphocytes (p < 0.01). In addition, increases in MLH1 gene promoter methylation among waterpipe smokers compared to nonsmokers (p < 0.001) in both oral epithelium and blood lymphocytes was also observed. In addition, strong correlation was found between LWDS-10J dependence score and magnitude of promoter specific methylation of MLH1 (r2 = 0.74-0.78, p < 0.001). Moreover, the percentage of methylated MLH1 promoter was not affected by age or gender (p > 0.05). Discussion and Conclusion: Collectively, the results indicate that waterpipe tobacco use is associated with epigenetic changes that might predispose users to lung and blood cancers. The results highlight the need for actions to discourage waterpipe smoking and can be used in cessation interventions that target this type of smoking.
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Affiliation(s)
- Salsabeel H Sabi
- Department of Applied Biology, Jordan University of Science and Technology, Irbid, Jordan
| | - Omar F Khabour
- Department of Medical laboratory Sciences, Jordan University of Science and Technology, Irbid, Jordan
| | - Karem H Alzoubi
- Department of Clinical Pharmacy, Jordan University of Science and Technology, Irbid, Jordan
| | - Caroline O Cobb
- Department of Psychology and Center for the Study of Tobacco Products, Virginia Commonwealth University, Richmond, VA, USA
| | - Thomas Eissenberg
- Department of Psychology and Center for the Study of Tobacco Products, Virginia Commonwealth University, Richmond, VA, USA
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Wallace DR, Taalab YM, Heinze S, Tariba Lovaković B, Pizent A, Renieri E, Tsatsakis A, Farooqi AA, Javorac D, Andjelkovic M, Bulat Z, Antonijević B, Buha Djordjevic A. Toxic-Metal-Induced Alteration in miRNA Expression Profile as a Proposed Mechanism for Disease Development. Cells 2020; 9:cells9040901. [PMID: 32272672 PMCID: PMC7226740 DOI: 10.3390/cells9040901] [Citation(s) in RCA: 69] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2020] [Revised: 04/01/2020] [Accepted: 04/01/2020] [Indexed: 02/07/2023] Open
Abstract
Toxic metals are extensively found in the environment, households, and workplaces and contaminate food and drinking water. The crosstalk between environmental exposure to toxic metals and human diseases has been frequently described. The toxic mechanism of action was classically viewed as the ability to dysregulate the redox status, production of inflammatory mediators and alteration of mitochondrial function. Recently, growing evidence showed that heavy metals might exert their toxicity through microRNAs (miRNA)—short, single-stranded, noncoding molecules that function as positive/negative regulators of gene expression. Aberrant alteration of the endogenous miRNA has been directly implicated in various pathophysiological conditions and signaling pathways, consequently leading to different types of cancer and human diseases. Additionally, the gene-regulatory capacity of miRNAs is particularly valuable in the brain—a complex organ with neurons demonstrating a significant ability to adapt following environmental stimuli. Accordingly, dysregulated miRNAs identified in patients suffering from neurological diseases might serve as biomarkers for the earlier diagnosis and monitoring of disease progression. This review will greatly emphasize the effect of the toxic metals on human miRNA activities and how this contributes to progression of diseases such as cancer and neurodegenerative disorders (NDDs).
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Affiliation(s)
- David R. Wallace
- School of Biomedical Science, Oklahoma State University Center for Health Sciences, Tulsa, OK 74107, USA;
| | - Yasmeen M. Taalab
- Forensic Medicine and Clinical Toxicology Department, Faculty of Medicine, Mansoura University, Dakahlia Governate 35516, Egypt or
- Institute of Forensic and Traffic Medicine, University of Heidelberg, Voßstraße 2, 69115 Heidelberg, Germany;
| | - Sarah Heinze
- Institute of Forensic and Traffic Medicine, University of Heidelberg, Voßstraße 2, 69115 Heidelberg, Germany;
| | - Blanka Tariba Lovaković
- Analytical Toxicology and Mineral Metabolism Unit, Institute for Medical Research and Occupational Health, Ksaverska cesta 2, 10 000 Zagreb, Croatia; (B.T.L.); (A.P.)
| | - Alica Pizent
- Analytical Toxicology and Mineral Metabolism Unit, Institute for Medical Research and Occupational Health, Ksaverska cesta 2, 10 000 Zagreb, Croatia; (B.T.L.); (A.P.)
| | - Elisavet Renieri
- Centre of Toxicology Science and Research, University of Crete, School of Medicine, 71601 Heraklion, Greece; (E.R.); (A.T.)
| | - Aristidis Tsatsakis
- Centre of Toxicology Science and Research, University of Crete, School of Medicine, 71601 Heraklion, Greece; (E.R.); (A.T.)
| | | | - Dragana Javorac
- Department of Toxicology “Akademik Danilo Soldatović”, University of Belgrade-Faculty of Pharmacy, Vojvode Stepe 450, 11221 Belgrade, Serbia; (D.J.); (M.A.); (Z.B.); (B.A.)
| | - Milena Andjelkovic
- Department of Toxicology “Akademik Danilo Soldatović”, University of Belgrade-Faculty of Pharmacy, Vojvode Stepe 450, 11221 Belgrade, Serbia; (D.J.); (M.A.); (Z.B.); (B.A.)
| | - Zorica Bulat
- Department of Toxicology “Akademik Danilo Soldatović”, University of Belgrade-Faculty of Pharmacy, Vojvode Stepe 450, 11221 Belgrade, Serbia; (D.J.); (M.A.); (Z.B.); (B.A.)
| | - Biljana Antonijević
- Department of Toxicology “Akademik Danilo Soldatović”, University of Belgrade-Faculty of Pharmacy, Vojvode Stepe 450, 11221 Belgrade, Serbia; (D.J.); (M.A.); (Z.B.); (B.A.)
| | - Aleksandra Buha Djordjevic
- Department of Toxicology “Akademik Danilo Soldatović”, University of Belgrade-Faculty of Pharmacy, Vojvode Stepe 450, 11221 Belgrade, Serbia; (D.J.); (M.A.); (Z.B.); (B.A.)
- Correspondence:
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Assessment of trace metal alterations in the blood, cerebrospinal fluid and tissue samples of patients with malignant brain tumors. Sci Rep 2020; 10:3816. [PMID: 32123254 PMCID: PMC7052226 DOI: 10.1038/s41598-020-60774-0] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2019] [Accepted: 02/17/2020] [Indexed: 12/19/2022] Open
Abstract
The pathogenesis of malignant brain tumors (MBTs) should be better understood due to the evident association between prolonged exposure to metals and increased risk of MBTs. The present research aimed to find trace metals that could contribute to the pathogenesis of MBTs. Essential trace elements (Mn, Co, Zn, Cu, Se) and relevant toxic metals (Al, Ni, As, Sr, Cd, Ce, Pt, Pb, U) in the serum, cell fraction (CF), cerebrospinal fluid (CSF) and cancerous tissue (CT) samples of MBT patients were analyzed. The results were compared with sex- and age-matched control groups. For the first time, this research showed that elemental profiles of serum, CF, CSF and CT samples in MBT patients were significantly altered compared to the appropriate controls, as well as that higher contents of trace elements (particularly Mn, Se, and Pb) could be involved in the pathogenesis of MBTs. However, the most noticeable change found was the elevated U content, indicating its considerable role as a major cerebral discriminator of the presence/absence of MBTs. The U/Se ratio could be considered as an appropriate blood marker in diagnostic MBT evaluation. The reported results could contribute to better understanding of the poorly understood pathogenesis of MBTs. Furthermore, the reported results could highlight a molecular basis for the pathophysiological changes caused by the hazardous effects of trace metals on brain homeostasis.
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Quintanilla-Mena M, Gold-Bouchot G, Zapata-Pérez O, Rubio-Piña J, Quiroz-Moreno A, Vidal-Martínez VM, Aguirre-Macedo ML, Puch-Hau C. Biological responses of shoal flounder (Syacium gunteri) to toxic environmental pollutants from the southern Gulf of Mexico. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2020; 258:113669. [PMID: 31806456 DOI: 10.1016/j.envpol.2019.113669] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/17/2019] [Revised: 10/23/2019] [Accepted: 11/21/2019] [Indexed: 06/10/2023]
Abstract
The Gulf of Mexico (GoM) is exposed to a diversity of contaminants, such as hydrocarbons and heavy metal(oid)s, either from natural sources or as a result of uncontrolled coastal urbanisation and industrialisation. To determine the effect of these contaminants on the marine biota along the Mexican GoM, the biological responses of the shoal flounder Syacium gunteri, naturally exposed, were studied. The study area included all the Mexican GoM, which was divided into three areas: West-southwest (WSW), South-southwest (SSW) and South-southeast (SSE). The biological responses included the global DNA methylation levels, the expression of biomarker genes related to contaminants (cytochrome P450 1A, glutathione S-transferase, glutathione reductase, glutathione peroxidase, catalase, and vitellogenin), histopathological lesions and PAH metabolites in bile (hydroxynaphthalene, hydroxyphenanthrene, hydroxypyrene and Benzo[a]pyrene). The correlation between the biological responses and the concentration of contaminants (hydrocarbons and metal(oid)s), present in both sediments and organisms, were studied. The shoal flounders in WSW and SSW areas presented higher DNA hypomethylation, less antioxidative response and biotransformation gene expression and a higher concentration of PAH metabolites in bile than SSE area; those responses were associated with total hydrocarbons and metals such as chromium (Cr). SSE biological responses were mainly associated with the presence of metals, such as cadmium (Cd) and copper (Cu), in the tissue of shoal flounders. The results obtained on the physiological response of the shoal flounder can be used as part of a permanent active environmental surveillance program to watch the ecosystem health of the Mexican GoM.
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Affiliation(s)
- Mercedes Quintanilla-Mena
- Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional (CINVESTAV), Departamento de Recursos del Mar, Unidad Mérida. Km. 6, Antigua Carretera a Progreso, Apdo. Postal 73-Cordemex, 97310 Mérida, Yucatán, Mexico
| | - Gerardo Gold-Bouchot
- Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional (CINVESTAV), Departamento de Recursos del Mar, Unidad Mérida. Km. 6, Antigua Carretera a Progreso, Apdo. Postal 73-Cordemex, 97310 Mérida, Yucatán, Mexico; Department of Oceanography and Geochemical and Environmental Research Group (GERG), Texas A&M University, College Station, TX, United States
| | - Omar Zapata-Pérez
- Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional (CINVESTAV), Departamento de Recursos del Mar, Unidad Mérida. Km. 6, Antigua Carretera a Progreso, Apdo. Postal 73-Cordemex, 97310 Mérida, Yucatán, Mexico
| | - Jorge Rubio-Piña
- Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional (CINVESTAV), Departamento de Recursos del Mar, Unidad Mérida. Km. 6, Antigua Carretera a Progreso, Apdo. Postal 73-Cordemex, 97310 Mérida, Yucatán, Mexico
| | - Adriana Quiroz-Moreno
- Centro de Investigación Científica de Yucatán, Calle 43 No. 130, Colonia Chuburna de Hidalgo, 97200 Mérida, Yucatán, Mexico
| | - Víctor Manuel Vidal-Martínez
- Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional (CINVESTAV), Departamento de Recursos del Mar, Unidad Mérida. Km. 6, Antigua Carretera a Progreso, Apdo. Postal 73-Cordemex, 97310 Mérida, Yucatán, Mexico
| | - Ma Leopoldina Aguirre-Macedo
- Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional (CINVESTAV), Departamento de Recursos del Mar, Unidad Mérida. Km. 6, Antigua Carretera a Progreso, Apdo. Postal 73-Cordemex, 97310 Mérida, Yucatán, Mexico
| | - Carlos Puch-Hau
- Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional (CINVESTAV), Departamento de Recursos del Mar, Unidad Mérida. Km. 6, Antigua Carretera a Progreso, Apdo. Postal 73-Cordemex, 97310 Mérida, Yucatán, Mexico.
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25
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Neuroinflammation in CNS diseases: Molecular mechanisms and the therapeutic potential of plant derived bioactive molecules. PHARMANUTRITION 2020. [DOI: 10.1016/j.phanu.2020.100176] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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26
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Garvin MC, Schijf J, Kaufman SR, Konow C, Liang D, Nigra AE, Stracker NH, Whelan RJ, Wiles GC. A survey of trace metal burdens in increment cores from eastern cottonwood (Populus deltoides) across a childhood cancer cluster, Sandusky County, OH, USA. CHEMOSPHERE 2020; 238:124528. [PMID: 31425869 DOI: 10.1016/j.chemosphere.2019.124528] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/29/2019] [Revised: 08/04/2019] [Accepted: 08/05/2019] [Indexed: 06/10/2023]
Abstract
A dendrochemical study of cottonwood trees (Populus deltoides) was conducted across a childhood cancer cluster in eastern Sandusky County (Ohio, USA). The justification for this study was that no satisfactory explanation has yet been put forward, despite extensive local surveys of aerosols, groundwater, and soil. Concentrations of eight trace metals were measured by ICP-MS in microwave-digested 5-year sections of increment cores, collected during 2012 and 2013. To determine whether the onset of the first cancer cases could be connected to an emergence of any of these contaminants, cores spanning the period 1970-2009 were taken from 51 trees of similar age, inside the cluster and in a control area to the west. The abundance of metals in cottonwood tree annual rings served as a proxy for their long-term, low-level accumulation from the same sources whereby exposure of the children may have occurred. A spatial analysis of cumulative metal burdens (lifetime accumulation in the tree) was performed to search for significant 'hotspots', employing a scan statistic with a mask of variable radius and center. For Cd, Cr, and Ni, circular hotspots were found that nearly coincide with the cancer cluster and are similar in size. No hotspots were found for Co, Cu, and Pb, while As and V were largely below method detection limits. Whereas our results do not implicate exposure to metals as a causative factor, we conclude that, after 1970, cottonwood trees have accumulated more Cd, Cr, and Ni, inside the childhood cancer cluster than elsewhere in Sandusky County.
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Affiliation(s)
- Mary C Garvin
- Oberlin College, Department of Biology, 119 Woodland St., Oberlin, OH, 44074, USA
| | - Johan Schijf
- University of Maryland Center for Environmental Science, Chesapeake Biological Laboratory, P.O. Box 38, Solomons, MD, 20688, USA.
| | - Sonya R Kaufman
- Oberlin College, Department of Biology, 119 Woodland St., Oberlin, OH, 44074, USA
| | - Courtney Konow
- Oberlin College, Department of Biology, 119 Woodland St., Oberlin, OH, 44074, USA
| | - Dong Liang
- University of Maryland Center for Environmental Science, Chesapeake Biological Laboratory, P.O. Box 38, Solomons, MD, 20688, USA
| | - Anne E Nigra
- Columbia University Mailman School of Public Health, Department of Environmental Health Sciences, 722 West 168th St., New York, NY, 10032, USA
| | - Norberth H Stracker
- Johns Hopkins University School of Medicine, Division of Infectious Diseases, 1830 East Monument St., Room 442, Baltimore, MD, 21287, USA
| | - Rebecca J Whelan
- University of Notre Dame, Department of Chemistry and Biochemistry, 140D McCourtney Hall, Notre Dame, IN, 46556, USA
| | - Gregory C Wiles
- The College of Wooster, Department of Earth Sciences, 944 College Hall, Wooster, OH, 44691, USA
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Davis B, McDermott S, McCarter M, Ortaglia A. Population-based mortality data suggests remediation is modestly effective in two Montana Superfund counties. ENVIRONMENTAL GEOCHEMISTRY AND HEALTH 2019; 41:803-816. [PMID: 30140965 DOI: 10.1007/s10653-018-0175-z] [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: 03/28/2018] [Accepted: 08/15/2018] [Indexed: 05/17/2023]
Abstract
The health effects of living in proximity to Superfund sites with ongoing remediation were evaluated for residents of two contiguous Montana counties, Deer Lodge and Silver Bow. Deer Lodge and Silver Bow are home to the Anaconda Smelter and Silver Bow Creek/Butte Area Superfund sites, respectively. Established by the Environmental Protection Agency in 1983, both sites have had ongoing remediation for decades. Employing county level death certificate data obtained from the Centers for Disease Control and Prevention WONDER site, sex and age-adjusted standardized mortality ratios (SMRs) for composite targeted causes of death were calculated using observed versus expected mortality for both counties, and compared to the expected mortality from the remaining Montana counties. Cancers, cerebro- and cardiovascular diseases (CCVD), and organ failure were elevated for the two counties during the study period, 2000-2016, with SMRs of 1.19 (95% CI 1.10, 1.29); 1.36 (95% CI 1.29, 1.43); and 1.24 (95% CI 1.10, 1.38), respectively. Neurological conditions were not elevated for the two counties (SMR = 1.01; 95% CI 0.89, 1.14). Time trend analyses performed using Cox regression models indicate that deaths from cancers (HR = 0.97; p = 0.0004), CCVDs (HR = 0.95; p ≤ 0.0001), and neurological conditions (HR = 0.97; p = 0.01) decreased over the study period. While the ecological approach applied limits the interpretation of our results, our study suggests that while mortality is elevated, it is also decreasing over time for these two Superfund sites.
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Affiliation(s)
- B Davis
- Department of Epidemiology and Biostatistics, Arnold School of Public Health, University of South Carolina, Columbia, SC, USA
| | - S McDermott
- Department of Epidemiology and Biostatistics, Arnold School of Public Health, University of South Carolina, Columbia, SC, USA.
| | - M McCarter
- Department of Epidemiology and Biostatistics, Arnold School of Public Health, University of South Carolina, Columbia, SC, USA
| | - A Ortaglia
- Department of Epidemiology and Biostatistics, Arnold School of Public Health, University of South Carolina, Columbia, SC, USA
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Aminiyan MM, Baalousha M, Aminiyan FM. Evolution of human health risk based on EPA modeling for adults and children and pollution level of potentially toxic metals in Rafsanjan road dust: a case study in a semi-arid region, Iran. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2018; 25:19767-19778. [PMID: 29736653 DOI: 10.1007/s11356-018-2176-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/19/2017] [Accepted: 04/30/2018] [Indexed: 06/08/2023]
Abstract
Humans can be directly exposed to potentially toxic metals in the urban environment via inhalation, ingestion, or dermal contact of dust particles. This paper focuses on human health risk assessment of urban dust contaminated with potentially toxic metals. The levels, sources, and human health risks of nine potentially toxic metals (i.e., As, Cd, Cu, Cr, Ni, Pb, Co, Mn, and Zn) in 200 road dust samples from Rafsanjan area were investigated. Pollution level was assessed using the pollution index (PI) and geoaccumulation index (Igeo), and the health risk assessment was performed following the methodology described by the US Environmental Protection Agency. The mean concentrations of As, Cu, Pb, Cd, Cr, Ni, Zn, Co, and Mn in road dust were 105.3 ± 5.7, 791.4 ± 29.8, 123.1 ± 9.7, 28.4 ± 3.3, 3.1 ± 0.6, 18.4 ± 1.6, 252.6 ± 8.3, 16.5 ± 1.4, and 525.9 ± 21.0 mg kg-1, respectively. Thus, the concentrations of potentially toxic metals in road dust were higher than their corresponding natural background values, indicating that all studied potentially toxic metals were impacted by anthropogenic activities. The results of the current study are comparable to other studies conducted on road dust in other cities worldwide. Both of Igeo and PI decreased following order Cu > Mn > Pb > As > Zn > Cd > Ni > Cr > Co. Health risk assessment indicated that both of children and adults could be exposed to a potential increased risk of developing cancer over a lifetime from exposure to arsenic through ingestion of the dust samples. However, Pb ingestion can increase cancer risk in children.
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Affiliation(s)
- Milad Mirzaei Aminiyan
- College of Agriculture, Soil Science Department, Bu-Ali Sina University, Azadegan Street, Hamedan, 6517833131, Iran.
| | - Mohammed Baalousha
- Center for Environmental Nanoscience and Risk, Arnold School of Public Health, University South Carolina, Columbia, SC, USA
| | - Farzad Mirzaei Aminiyan
- Civil Engineering Department, College of Engineering, Vali-e-Asr Rafsanjan University, Rafsanjan, Iran
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Pamphlett R, Kum Jew S. Inorganic mercury in human astrocytes, oligodendrocytes, corticomotoneurons and the locus ceruleus: implications for multiple sclerosis, neurodegenerative disorders and gliomas. Biometals 2018; 31:807-819. [PMID: 29959651 PMCID: PMC6133182 DOI: 10.1007/s10534-018-0124-4] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2018] [Accepted: 06/21/2018] [Indexed: 12/11/2022]
Abstract
Neurotoxic metals have been implicated in the pathogenesis of multiple sclerosis, neurodegenerative disorders and brain tumours but studies of the location of heavy metals in human brains are rare. In a man who injected himself with metallic mercury the cellular location of mercury in his brain was studied after 5 months of continuous exposure to inorganic mercury arising from metallic mercury deposits in his organs. Paraffin sections from the primary motor and sensory cortices and the locus ceruleus in the pons were stained with autometallography to detect inorganic mercury and combined with glial fibrillary acidic protein immunohistochemistry to identify astrocytes. Inorganic mercury was found in grey matter subpial, interlaminar, protoplasmic and varicose astrocytes, white matter fibrous astrocytes, grey but not white matter oligodendrocytes, corticomotoneurons and some locus ceruleus neurons. In summary, inorganic mercury is taken up by five types of human brain astrocytes, as well as by cortical oligodendrocytes, corticomotoneurons and locus ceruleus neurons. Mercury can induce oxidative stress, stimulate autoimmunity and damage DNA, mitochondria and lipid membranes, so its location in these CNS cells suggests it could play a role in the pathogenesis of multiple sclerosis, neurodegenerative conditions such as Alzheimer's disease and amyotrophic lateral sclerosis, and glial tumours.
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Affiliation(s)
- Roger Pamphlett
- Discipline of Pathology, The University of Sydney, Camperdown, Australia. .,Discipline of Pathology, Brain and Mind Centre, The University of Sydney and Department of Neuropathology, Royal Prince Alfred Hospital, 94 Mallett St, Camperdown, NSW, 2050, Australia.
| | - Stephen Kum Jew
- Discipline of Pathology, The University of Sydney, Camperdown, Australia
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Dou M, Zhao P, Wang Y, Li G. Health risk assessment of cadmium pollution emergency for urban populations in Foshan City, China. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2017; 24:8071-8086. [PMID: 28138883 DOI: 10.1007/s11356-017-8437-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/05/2016] [Accepted: 01/09/2017] [Indexed: 06/06/2023]
Abstract
With rapid socioeconomic development, water pollution emergency has become increasingly common and could potentially harm the environment and human health, especially heavy metal pollution. In this paper, we investigate the Cd pollution emergency that occurred in the Pearl River network, China, in 2005, and we build a migration and transformation model for heavy metals to simulate the spatiotemporal distribution of Cd concentrations under various scenarios of Cd pollution emergency in Foshan City. Moreover, human health hazard and carcinogenic risk for local residents of Foshan City were evaluated. The primary conclusions were as follows: (1) the number of carcinogen-affected people per year under scenario 1 reached 254.41 when the frequency was 0.1 year/time; specifically, the number of people with cancer per year in the area of the Datang, Lubao, and Nanbian waterworks was 189.36 accounting for 74% of the total number per year; (2) at the frequency of 5 years/time, the Lubao waterwork is the only one in extremely high- or high-risk grade, while besides it, the risk grade in the Datang, Nanbian, Xinan, Shitang, and Jianlibao waterworks is in the extremely high or high grade when the frequency is 0.1 year/time; (3) when Cd pollution accidents with the same level occurs again, Cd concentration decreases to a low level in the water only if the migration distance of Cd is at least 40-50 km. Based on the health risk assessment of Cd pollution, this study gives the recommendation that the distance should keep above 50 km in tidal river network of the Pearl River Delta between those factories existing the possibility of heavy metal pollution and the drinking water source. Only then can the public protect themselves from hazardous effects of higher levels of heavy metal.
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Affiliation(s)
- Ming Dou
- School of Water Conservancy & Environment, Zhengzhou University, No.100 of Kexue Road, Zhengzhou, Henan, China.
| | - Peipei Zhao
- School of Water Conservancy & Environment, Zhengzhou University, No.100 of Kexue Road, Zhengzhou, Henan, China
| | - Yanyan Wang
- Beijing Seven Trillion Technology Co. Ltd, Beijing, 100070, China
| | - Guiqiu Li
- School of Water Conservancy & Environment, Zhengzhou University, No.100 of Kexue Road, Zhengzhou, Henan, China
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31
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Pawlas N, Płachetka A, Kozłowska A, Mikołajczyk A, Kasperczyk A, Dobrakowski M, Kasperczyk S. Telomere length, telomerase expression, and oxidative stress in lead smelters. Toxicol Ind Health 2016; 32:1961-1970. [DOI: 10.1177/0748233715601758] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
The negative health effects caused by lead (Pb) exposure are widely recognized; however, the molecular mechanisms remain unknown. The aim of this study was to assess the effect of occupational Pb exposure on telomere length and to investigate the potential mechanisms leading to telomere shortening. A cohort of 334 male Pb smelters (exposed group) and 60 age-adjusted males unexposed to Pb (control group) were examined. Assessments of relative telomere length (rTL) and telomerase reverse transcriptase (TERT) gene expression were performed using quantitative real-time polymerase chain reactions. Assessments of whole blood Pb (B-Pb) and whole blood cadmium (B-Cd) concentrations and serum selenium concentration (S-Se) were performed using graphite furnace atomic absorption spectrometry. We analyzed total oxidation status (TOS), lipid hydroperoxides (LHPs), malonylodialdehyde levels in serum (MDA) and in erythrocyte hemolysates (MDA-hgb), and 8-hydroxy-deoxy-guanosine (8-OHdG). The Pb-exposed group had higher B-Pb values and shorter rTL than the control group. The arithmetic mean values calculated for B-Pb were 33 µg/dL versus 2.2 µg/dL ( p < 0.0001), and the rTL values were 0.928 and 1.126 relative units ( p = 0.001), respectively, for the Pb-exposed and control groups. The rTL was found to gradually shorten in response to the increasing levels of Pb exposure. The Pb-exposed group also demonstrated a higher level of oxidative stress than the control group, which was indicated by increased TOS and MDA-hgb values. rTL was negatively associated with parameters that indicated increased oxidative stress, including TOS (Spearman’s rank coefficient ( rS) = −0.16; p < 0.01) and MDA-hgb ( rS = −0.17; p < 0.001). No correlations were found between rTL and B-Cd and S-Se or smoking and MDA and LHP levels. Univariate analysis indicated that B-Pb was associated with decreased rTL ( β =−0.0041; p = 0.0063) and that the association between B-Pb and rTL remained significant, even when adjusting for age ( β = −0.0041; p = 0.0065) and in multivariable-adjusted model ( β = −0.0042; p = 0.0063). In conclusion, occupational Pb exposure resulted in decreased rTL and may represent a mechanism that contributes to Pb-related diseases.
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Affiliation(s)
- Natalia Pawlas
- Institute of Occupational Medicine and Environmental Health, Sosnowiec, Poland
| | - Anna Płachetka
- Department of Animal Physiology and Ecotoxicology, University of Silesia, Katowice, Poland
| | - Agnieszka Kozłowska
- Institute of Occupational Medicine and Environmental Health, Sosnowiec, Poland
| | | | - Aleksandra Kasperczyk
- Department of Biochemistry, School of Medicine with the Division of Dentistry in Zabrze, Medical University of Silesia, Katowice, Poland
| | - Michał Dobrakowski
- Department of Biochemistry, School of Medicine with the Division of Dentistry in Zabrze, Medical University of Silesia, Katowice, Poland
| | - Sławomir Kasperczyk
- Department of Biochemistry, School of Medicine with the Division of Dentistry in Zabrze, Medical University of Silesia, Katowice, Poland
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Rinaldi M, Caffo M, Minutoli L, Marini H, Abbritti RV, Squadrito F, Trichilo V, Valenti A, Barresi V, Altavilla D, Passalacqua M, Caruso G. ROS and Brain Gliomas: An Overview of Potential and Innovative Therapeutic Strategies. Int J Mol Sci 2016; 17:ijms17060984. [PMID: 27338365 PMCID: PMC4926513 DOI: 10.3390/ijms17060984] [Citation(s) in RCA: 84] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2016] [Revised: 04/26/2016] [Accepted: 06/14/2016] [Indexed: 12/21/2022] Open
Abstract
Reactive oxygen species (ROS) represent reactive products belonging to the partial reduction of oxygen. It has been reported that ROS are involved in different signaling pathways to control cellular stability. Under normal conditions, the correct function of redox systems leads to the prevention of cell oxidative damage. When ROS exceed the antioxidant defense system, cellular stress occurs. The cellular redox impairment is strictly related to tumorigenesis. Tumor cells, through the generation of hydrogen peroxide, tend to the alteration of cell cycle phases and, finally to cancer progression. In adults, the most common form of primary malignant brain tumors is represented by gliomas. The gliomagenesis is characterized by numerous molecular processes all characterized by an altered production of growth factor receptors. The difficulty to treat brain cancer depends on several biological mechanisms such as failure of drug delivery through the blood-brain barrier, tumor response to chemotherapy, and intrinsic resistance of tumor cells. Understanding the mechanisms of ROS action could allow the formulation of new therapeutic protocols to treat brain gliomas.
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Affiliation(s)
- Mariagrazia Rinaldi
- Department of Clinical and Experimental Medicine, University of Messina, 98125 Messina, Italy.
| | - Maria Caffo
- Department of Biomedical and Dental Sciences and Morphofunctional Imaging, Neurosurgical Clinic, University of Messina, 98125 Messina, Italy.
| | - Letteria Minutoli
- Department of Clinical and Experimental Medicine, University of Messina, 98125 Messina, Italy.
| | - Herbert Marini
- Department of Clinical and Experimental Medicine, University of Messina, 98125 Messina, Italy.
| | - Rosaria Viola Abbritti
- Department of Biomedical and Dental Sciences and Morphofunctional Imaging, Neurosurgical Clinic, University of Messina, 98125 Messina, Italy.
| | - Francesco Squadrito
- Department of Clinical and Experimental Medicine, University of Messina, 98125 Messina, Italy.
| | - Vincenzo Trichilo
- Department of Clinical and Experimental Medicine, University of Messina, 98125 Messina, Italy.
| | - Andrea Valenti
- Department of Clinical and Experimental Medicine, University of Messina, 98125 Messina, Italy.
| | - Valeria Barresi
- Department of Human Pathology, University of Messina, 98125 Messina, Italy.
| | - Domenica Altavilla
- Department of Biomedical and Dental Sciences and Morphofunctional Imaging, Neurosurgical Clinic, University of Messina, 98125 Messina, Italy.
| | - Marcello Passalacqua
- Department of Biomedical and Dental Sciences and Morphofunctional Imaging, Neurosurgical Clinic, University of Messina, 98125 Messina, Italy.
| | - Gerardo Caruso
- Department of Biomedical and Dental Sciences and Morphofunctional Imaging, Neurosurgical Clinic, University of Messina, 98125 Messina, Italy.
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Venza M, Visalli M, Beninati C, Catalano T, Biondo C, Teti D, Venza I. Involvement of epimutations in meningioma. Brain Tumor Pathol 2015; 32:163-8. [PMID: 25930103 DOI: 10.1007/s10014-015-0221-9] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2015] [Accepted: 04/21/2015] [Indexed: 01/20/2023]
Abstract
Epimutations are heritable and reversible cell markers, which can influence cell function going beyond the effects of DNA mutations. They result from multiple and coordinated mechanisms able to modulate gene expression. Regarding the significance of epigenetics in meningioma, few and somehow contradictory results are available, although promising information has been obtained. Here we highlight the most recent advances about the impact of DNA methylation, histone modifications, and microRNA regulation on meningioma development as well as the interplay between genetic and epigenetic alterations. Data indicate that epigenetics can help to identify novel candidate genes for the management and treatment of meningioma.
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Affiliation(s)
- Mario Venza
- Department of Experimental Specialized Medical and Surgical and Odontostomatology Sciences, University of Messina, Messina, Italy
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