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Al-Kouh A, Babiker F. Nitric Oxide/Glucose Transporter Type 4 Pathway Mediates Cardioprotection against Ischemia/Reperfusion Injury under Hyperglycemic and Diabetic Conditions in Rats. J Vasc Res 2024; 61:179-196. [PMID: 38952123 DOI: 10.1159/000539461] [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: 12/06/2023] [Accepted: 05/17/2024] [Indexed: 07/03/2024] Open
Abstract
INTRODUCTION The comorbidities of ischemic heart disease (IHD) and diabetes mellitus (DM) compromise the protection of the diabetic heart from ischemia/reperfusion (I/R) injury. We hypothesized that manipulation of reperfusion injury salvage kinase (RISK) and survivor activating factor enhancement (SAFE) pathways might protect the diabetic heart, and intervention of these pathways could be a new avenue for potentially protecting the diabetic heart. METHODS All hearts were subjected to 30-min ischemia and 30-min reperfusion. During reperfusion, hearts were exposed to molecules proven to protect the heart from I/R injury. The hemodynamic data were collected using suitable software. The infarct size, troponin T levels, and protein levels in hearts were evaluated. RESULTS Both cyclosporine-A and nitric oxide donor (SNAP) infusion at reperfusion protected 4-week diabetic hearts from I/R injury. However, 6-week diabetic hearts were protected only by SNAP, but not cyclosporin-A. These treatments significantly (p < 0.05) improved cardiac hemodynamics and decreased infarct size. CONCLUSIONS The administration of SNAP to diabetic hearts protected both 4- and 6-week diabetic hearts; however, cyclosporine-A protected only the 4-week diabetic hearts. The eNOS/GLUT-4 pathway executed the SNAP-mediated cardioprotection.
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Affiliation(s)
- Aisha Al-Kouh
- Department of Physiology, College of Medicine, Kuwait University, Kuwait, Kuwait
| | - Fawzi Babiker
- Department of Physiology, College of Medicine, Kuwait University, Kuwait, Kuwait
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Li D, Xu Z, Li Y, Huang Y, Yin J, Li H, Zhang B. Breviscapine attenuates lead‑induced myocardial injury by activating the Nrf2 signaling pathway. Exp Ther Med 2024; 27:26. [PMID: 38125346 PMCID: PMC10728892 DOI: 10.3892/etm.2023.12314] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2023] [Accepted: 09/28/2023] [Indexed: 12/23/2023] Open
Abstract
The present study investigated the therapeutic potential of breviscapine (Bre) in mitigating lead (Pb)-induced myocardial injury through activation of the nuclear factor erythroid-2 related factor 2 (Nrf2) pathway. Rat cardiomyocytes (H9C2 cells) were exposed to Pb to model Pb poisoning, and various parameters, including cell viability, apoptosis and reactive oxygen species (ROS) production, were assessed using Cell Counting Kit-8, flow cytometry and 2',7'-dichlorfluoresceindiacetate assays, respectively. Additionally, a rat model of Pb poisoning was established in which blood Pb levels were measured using a graphite furnace atomic absorption spectrophotometer, and alterations in myocardial tissue, oxidative stress markers, inflammatory indicators, protein expression related to apoptosis and the Nrf2 pathway were evaluated via histopathology, ELISA and western blotting. The results showed that Bre treatment enhanced cell viability, decreased apoptosis, and reduced ROS production in Pb-exposed H9C2 cells. Moreover, Bre modulated oxidative stress markers and inflammatory factors while enhancing the expression of proteins in the Nrf2 pathway. In a rat model, Bre mitigated the lead-induced increase in blood Pb levels and myocardial injury biomarkers, and reversed the downregulation of Nrf2 pathway proteins. In conclusion, the current findings suggested that Bre mitigates Pb-induced myocardial injury by activating the Nrf2 signaling pathway, highlighting its potential as a therapeutic agent for protecting the heart from the harmful effects of Pb exposure. Further research is required to elucidate the exact mechanisms and explore the clinical applicability of Bre in mitigating Pb-induced myocardial damage.
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Affiliation(s)
- Dexuan Li
- Clinical Laboratory, The Third People's Hospital of Yunnan Province, Kunming, Yunnan 650011, P.R. China
| | - Zhengliang Xu
- Clinical Laboratory, The Third People's Hospital of Yunnan Province, Kunming, Yunnan 650011, P.R. China
| | - Yashan Li
- Clinical Laboratory, The Third People's Hospital of Yunnan Province, Kunming, Yunnan 650011, P.R. China
| | - Yanmei Huang
- Clinical Laboratory, The Third People's Hospital of Yunnan Province, Kunming, Yunnan 650011, P.R. China
| | - Jiali Yin
- Clinical Laboratory, The Third People's Hospital of Yunnan Province, Kunming, Yunnan 650011, P.R. China
| | - Hongjuan Li
- Clinical Laboratory, The Third People's Hospital of Yunnan Province, Kunming, Yunnan 650011, P.R. China
| | - Beiji Zhang
- Clinical Laboratory, The Third People's Hospital of Yunnan Province, Kunming, Yunnan 650011, P.R. China
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Wu Y, Huang H, Wu J, Qin Y, Zhao N, Chen B, Nong Q, Huang Y, Hu L. Lead activates neutrophil degranulation to induce early myocardial injury in mice. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 268:115694. [PMID: 37984289 DOI: 10.1016/j.ecoenv.2023.115694] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/14/2023] [Revised: 11/02/2023] [Accepted: 11/12/2023] [Indexed: 11/22/2023]
Abstract
Lead (Pb) is a pervasive toxic metal contaminant associated with a high risk of myocardial injury. However, the precise mechanism underlying Pb-induced myocardial injury has yet to be fully elucidated. In this study, a murine model of Pb exposure (0, 1, 5, and 10 mg/kg) was employed to investigate the involvement of neutrophil degranulation in the induction of myocardial injury. Notably, serum levels of cardiac troponin I (cTnI) and creatine kinase-MB (CK-MB) increased significantly in Pb-exposed mice, whereas cTnI levels in cardiomyocytes decreased, suggesting that Pb exposure may cause early myocardial injury. Moreover, Pb exposure was found to promote neutrophil degranulation, as evidenced by elevated myeloperoxidase (MPO) and neutrophil elastase (NE) concentrations in both the serum of Pb-exposed workers and Pb-exposed mice, as well as the extracellular supernatant of neutrophils following exposure. However, we found that serum level of cTnI enhanced by Pb exposure is associated with increased NE levels in the serum, but not with MPO levels. Upon treatment with NE inhibitor (sivelestat), the serum level of cTnI markedly reduced in Pb-exposed mice, we found that early myocardial injury is associated with NE levels in the serum. At the molecular level, western blotting analysis revealed an upregulation of ERK1/2 expression in vitro following Pb exposure, suggesting that the activation of the ERK1/2 signaling pathway may underlie the participation of neutrophil degranulation in Pb-induced myocardial injury. In summary, our findings demonstrate that Pb exposure can initiate early myocardial injury by promoting the neutrophil degranulation process, thereby highlighting the potential role of this process in the pathogenesis of Pb-associated myocardial injury.
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Affiliation(s)
- Yanjun Wu
- Guangdong Province Hospital for Occupational Disease Prevention and Treatment, Guangzhou 510300, China; School of Public Health, Southern Medical University, Guangzhou 510505, China
| | - Hongmei Huang
- Guangdong Province Hospital for Occupational Disease Prevention and Treatment, Guangzhou 510300, China; School of Public Health, Sun Yat-sen University, Guangzhou 510080, China
| | - Jiayun Wu
- Guangdong Province Hospital for Occupational Disease Prevention and Treatment, Guangzhou 510300, China; School of Public Health, Guangdong Pharmaceutical University, Guangzhou 510310, China
| | - Yiru Qin
- Guangdong Province Hospital for Occupational Disease Prevention and Treatment, Guangzhou 510300, China
| | - Na Zhao
- Guangdong Province Hospital for Occupational Disease Prevention and Treatment, Guangzhou 510300, China; School of Public Health, Southern Medical University, Guangzhou 510505, China; School of Public Health, Sun Yat-sen University, Guangzhou 510080, China
| | - Baowei Chen
- Southern Marine Science and Engineering Guangdong Laboratory, School of Marine Sciences, Sun Yat-Sen University, Zhuhai 519082, China
| | - Qiying Nong
- Guangdong Province Hospital for Occupational Disease Prevention and Treatment, Guangzhou 510300, China.
| | - Yongshun Huang
- Guangdong Province Hospital for Occupational Disease Prevention and Treatment, Guangzhou 510300, China; School of Public Health, Southern Medical University, Guangzhou 510505, China; School of Public Health, Sun Yat-sen University, Guangzhou 510080, China; School of Public Health, Guangdong Pharmaceutical University, Guangzhou 510310, China.
| | - Ligang Hu
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
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Mohammad A, Babiker F, Al-Bader M. Effects of Apocynin, a NADPH Oxidase Inhibitor, in the Protection of the Heart from Ischemia/Reperfusion Injury. Pharmaceuticals (Basel) 2023; 16:492. [PMID: 37111249 PMCID: PMC10141704 DOI: 10.3390/ph16040492] [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: 02/17/2023] [Revised: 03/21/2023] [Accepted: 03/23/2023] [Indexed: 03/29/2023] Open
Abstract
Ischemia and perfusion (I/R) induce inflammation and oxidative stress, which play a notable role in tissue damage. The aim of this study was to investigate the role of an NADPH oxidase inhibitor (apocynin) in the protection of the heart from I/R injury. Hearts isolated from Wistar rats (n = 8 per group) were perfused with a modified Langendorff preparation. Left ventricular (LV) contractility and cardiovascular hemodynamics were evaluated by a data acquisition program, and infarct size was evaluated by 2,3,5-Triphenyl-2H-tetrazolium chloride (TTC) staining. Furthermore, the effect of apocynin on the pro-inflammatory cytokines (IL-1β, IL-6 and TNF-α) and anti-inflammatory cytokine (IL-10) was evaluated using an enzyme linked immunosorbent assay (ELISA). Hearts were subjected to 30 min of regional ischemia, produced by ligation of the left anterior descending (LAD) coronary artery, followed by 30 min of reperfusion. Hearts were infused with apocynin before ischemia, during ischemia or at reperfusion. To understand the potential pathways of apocynin protection of the heart, a nitric oxide donor (S-nitroso-N-acetylpenicillamine, SNAP), nitric oxide blocker (N (gamma)-nitro-L-arginine methyl ester, L-Name), nicotinic acid adenine dinucleotide phosphate (NAADP) inhibiter (Ned-K), cyclic adenosine diphosphate ribose (cADPR) agonist, or CD38 blocker (Thiazoloquin (az)olin (on)e compound, 78c) was infused with apocynin. Antioxidants were evaluated by measuring superoxide dismutase (SOD) and catalase (CAT) activity. Apocynin infusion before ischemia or at reperfusion protected the heart by normalizing cardiac hemodynamics and decreasing the infarct size. Apocynin treatment resulted in a significant (p < 0.05) decrease in pro-inflammatory cytokine levels and a significant increase (p < 0.05) in anti-inflammatory and antioxidant levels. Apocynin infusion protected the heart by improving LV hemodynamics and coronary vascular dynamics. This treatment decreased the infarct size and inflammatory cytokine levels and increased anti-inflammatory cytokine and antioxidant levels. This protection follows a pathway involving CD38, nitric oxide and acidic stores.
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Affiliation(s)
| | - Fawzi Babiker
- Department of Physiology, Faculty of Medicine, Kuwait University, P.O. Box 24923, Kuwait City 13110, Kuwait
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Wang Q, Ma Y, Li Y, He Z, Feng B. Lead-induced cardiomyocytes apoptosis by inhibiting gap junction intercellular communication via modulating the PKCα/Cx43 signaling pathway. Chem Biol Interact 2023; 376:110451. [PMID: 36925031 DOI: 10.1016/j.cbi.2023.110451] [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: 12/17/2022] [Revised: 02/28/2023] [Accepted: 03/11/2023] [Indexed: 03/17/2023]
Abstract
OBJECTIVE The aim of this study was to investigate the regulatory mechanism of Pb regulates gap junction intercellular communication to induced apoptosis in H9c2 cells. METHODS H9c2 cell line is used as the research object in this study, and treated with different concentrations of Pb acetate. Subsequently, Cell viability was measured by the Cell Counting Kit-8 (CCK-8) assay. The levels of lactate dehydrogenase (LDH), aspartate transaminase (AST) and creatine kinase-MB (CK-MB) in the supernatants were measured using respective commercial enzyme-linked immune sorbent assay (ELISA) kits. Western blot was used to detect the expression of apoptosis-related protein in H9c2 cells in each group. Quantitative RT-PCR Analysis Total RNA was extracted from frozen H9c2 cells using Trizol reagent, the PKCα and Cx43 in the supernatant of H9c2 cells was determined by the BCA protein detection kit. RESULTS H9c2 cells increased release of cardiac enzymes (LDH, AST, and CK-MB) and decreased cell survival rate, and the Cx43, p-Cx43, PKCα and p-PKCα protein levels showed a dose-dependent decrease after Pb treatment. PKCα was activated with PMA, the relative expression level of Cx43 protein increased significantly, the expression of Bcl-2 increased and Bax and Cyt-c decreased compared with Pb exposure group, and the myocardial enzymes (LDH, AST, and CK-MB) in cell culture supernatant decreased compared with Pb exposure group, indicating that the degree of cell damage was alleviated. Results showed that Pb inhibited PKCα activity, decreased the expression of total Cx43 and P-Cx43 protein, and aggravated myocardial injury. CONCLUSIONS Pb decrease gap junction intercellular communication, which induce apoptosis in H9c2 cells by inhibiting the PKCα/Cx43 signaling pathway.
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Affiliation(s)
- Qiong Wang
- Jinan Center for Disease Control and Prevention, Ji'nan, 250021, Shandong, China
| | - Yinghua Ma
- Shandong Academy of Occupational Health and Occupational Medicine, Shandong First Medical University & Shandong Academy of Medical Sciences, Ji'nan, 250062, Shandong, China
| | - Yi Li
- Shandong Academy of Occupational Health and Occupational Medicine, Shandong First Medical University & Shandong Academy of Medical Sciences, Ji'nan, 250062, Shandong, China
| | - Zhen He
- Shandong Academy of Occupational Health and Occupational Medicine, Shandong First Medical University & Shandong Academy of Medical Sciences, Ji'nan, 250062, Shandong, China; Shandong Province Hospital of Occupational Diseases, Ji'nan, 250002, Shandong, China.
| | - Bin Feng
- Shandong Academy of Occupational Health and Occupational Medicine, Shandong First Medical University & Shandong Academy of Medical Sciences, Ji'nan, 250062, Shandong, China.
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Akhtar S, Babiker F, Akhtar UA, Benter IF. Mitigating Cardiotoxicity of Dendrimers: Angiotensin-(1-7) via Its Mas Receptor Ameliorates PAMAM-Induced Cardiac Dysfunction in the Isolated Mammalian Heart. Pharmaceutics 2022; 14:pharmaceutics14122673. [PMID: 36559167 PMCID: PMC9781033 DOI: 10.3390/pharmaceutics14122673] [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: 10/28/2022] [Revised: 11/25/2022] [Accepted: 11/27/2022] [Indexed: 12/02/2022] Open
Abstract
AIM The influence of the physiochemical properties of dendrimer nanoparticles on cardiac contractility and hemodynamics are not known. Herein, we investigated (a) the effect of polyamidoamine (PAMAM) dendrimer generation (G7, G6, G5, G4 and G3) and surface chemistry (-NH2, -COOH and -OH) on cardiac function in mammalian hearts following ischemia-reperfusion (I/R) injury, and (b) determined if any PAMAM-induced cardiotoxicity could be mitigated by Angiotensin-(1-7) (Ang-(1-7), a cardioprotective agent. METHODS Hearts isolated from male Wistar rats underwent regional I/R and/or treatment with different PAMAM dendrimers, Ang-(1-7) or its MAS receptors antagonists. Thirty minutes of regional ischemia through ligation of the left anterior descending coronary artery was followed by 30 min of reperfusion. All treatments were initiated 5 min prior to reperfusion and maintained during the first 10 min of reperfusion. Cardiac function parameters for left ventricular contractility, hemodynamics and vascular dynamics data were acquired digitally, whereas cardiac enzymes and infarct size were used as measures of cardiac injury. RESULTS Treatment of isolated hearts with increasing doses of G7 PAMAM dendrimer progressively exacerbated recovery of cardiac contractility and hemodynamic parameters post-I/R injury. Impairment of cardiac function was progressively less on decreasing dendrimer generation with G3 exhibiting little or no cardiotoxicity. Cationic PAMAMs (-NH2) were more toxic than anionic (-COOH), with neutral PAMAMs (-OH) exhibiting the least cardiotoxicity. Cationic G7 PAMAM-induced cardiac dysfunction was significantly reversed by Ang-(1-7) administration. These cardioprotective effects of Ang-(1-7) were significantly revoked by administration of the MAS receptor antagonists, A779 and D-Pro7-Ang-(1-7). CONCLUSIONS PAMAM dendrimers can impair the recovery of hearts from I/R injury in a dose-, dendrimer-generation-(size) and surface-charge dependent manner. Importantly, PAMAM-induced cardiotoxicity could be mitigated by Ang-(1-7) acting through its MAS receptor. Thus, this study highlights the activation of Ang-(1-7)/Mas receptor axis as a novel strategy to overcome dendrimer-induced cardiotoxicity.
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Affiliation(s)
- Saghir Akhtar
- College of Medicine, QU Health, Qatar University, Doha P.O. Box 2713, Qatar
- Correspondence: (S.A.); (F.B.)
| | - Fawzi Babiker
- Departments of Physiology, Faculty of Medicine, Health Science Center, Kuwait University, Safat P.O. Box 24923, Kuwait
- Correspondence: (S.A.); (F.B.)
| | - Usman A. Akhtar
- Department of Mechanical and Chemical Engineering, College of Engineering, Qatar University, Doha P.O. Box 2713, Qatar
| | - Ibrahim F. Benter
- Faculty of Medicine, Eastern Mediterranean University, Famagusta 99628, North Cyprus, Turkey
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Guo X, Su W, Li N, Song Q, Wang H, Liang Q, Li Y, Lowe S, Bentley R, Zhou Z, Song EJ, Cheng C, Zhou Q, Sun C. Association of urinary or blood heavy metals and mortality from all causes, cardiovascular disease, and cancer in the general population: a systematic review and meta-analysis of cohort studies. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:67483-67503. [PMID: 35917074 DOI: 10.1007/s11356-022-22353-w] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Accepted: 07/28/2022] [Indexed: 06/15/2023]
Abstract
Amounting epidemiological evidence has shown detrimental effects of heavy metals on a wide range of diseases. However, the effect of heavy metal exposure on mortality in the general population remains unclear. The primary objective of this study was to clarify the associations between heavy metals and mortality from all causes, cardiovascular disease (CVD), and cancer based on prospective studies. We comprehensively searched Pubmed, Embase, and Web of Science electronic databases to identify studies published from their inception until 1 March 2022. Investigators identified inclusion criteria, extracted study characteristics, and assessed the methodological quality of included studies according to standardized guidelines. Meta-analysis was conducted if the effect estimates of the same outcome were reported in at least three studies. Finally, 42 original studies were identified. The results of meta-analysis showed that cadmium and lead exposure was significantly associated with mortality from all causes, CVD, and cancer in the general population. Moderate evidence suggested there was a link between arsenic exposure and mortality. The adverse effects of mercury and other heavy metals on mortality were inconclusive. Epidemiological evidence for the joint effect of heavy metal exposure on mortality was still indeterminate. In summary, our study provided compelling evidence that exposure to cadmium, lead, and arsenic were associated with mortality from all causes, CVD, and cancer, while the evidence on other heavy metals, for example mercury, was insignificant or indeterminate. Nevertheless, further prospective studies are warranted to explore the joint effects of multiple metal exposure on mortality.
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Affiliation(s)
- Xianwei Guo
- Department of Epidemiology and Health Statistics, School of Public Health, Anhui Medical University, Hefei, 230032, Anhui, People's Republic of China
| | - Wanying Su
- Department of Epidemiology and Health Statistics, School of Public Health, Anhui Medical University, Hefei, 230032, Anhui, People's Republic of China
| | - Ning Li
- Department of Epidemiology and Health Statistics, School of Public Health, Anhui Medical University, Hefei, 230032, Anhui, People's Republic of China
| | - Qiuxia Song
- Department of Epidemiology and Health Statistics, School of Public Health, Anhui Medical University, Hefei, 230032, Anhui, People's Republic of China
| | - Hao Wang
- Department of Epidemiology and Health Statistics, School of Public Health, Anhui Medical University, Hefei, 230032, Anhui, People's Republic of China
| | - Qiwei Liang
- Department of Epidemiology and Health Statistics, School of Public Health, Anhui Medical University, Hefei, 230032, Anhui, People's Republic of China
| | - Yaru Li
- Internal Medicine, Swedish Hospital, 5140 N California Ave, Chicago, IL, 60625, USA
- College of Osteopathic Medicine, Des Moines University, 3200 Grand Ave, Des Moines, IA, 50312, USA
| | - Scott Lowe
- College of Osteopathic Medicine, Kansas City University, 1750 Independence Ave, Kansas City, MO, 64106, USA
| | - Rachel Bentley
- College of Osteopathic Medicine, Kansas City University, 1750 Independence Ave, Kansas City, MO, 64106, USA
| | - Zhen Zhou
- Menzies Institute for Medical Research, University of Tasmania, 17 Liverpool Street, Hobart, TAS, TAS, 7000, Australia
| | - Evelyn J Song
- Division of Hospital Medicine, Department of Medicine, University of California, San Francisco, CA, USA
| | - Ce Cheng
- The University of Arizona College of Medicine, 1501 N Campbell Ave, Tucson, AZ, 85724, USA
- Banner-University Medical Center South, 2800 E Ajo Way, Tucson, AZ, 85713, USA
| | - Qin Zhou
- Mayo Clinic, 200 First Street SW, Rochester, MN, 55905, USA
| | - Chenyu Sun
- AMITA Health Saint Joseph Hospital Chicago, 2900 N. Lake Shore Drive, Chicago, IL, 60657, USA.
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Li N, Zhao Y, Wang F, Song L, Qiao M, Wang T, Huang X. Folic acid alleviates lead acetate-mediated cardiotoxicity by down-regulating the expression levels of Nrf2, HO-1, GRP78, and CHOP proteins. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:55916-55927. [PMID: 35322363 DOI: 10.1007/s11356-022-19821-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/10/2021] [Accepted: 03/16/2022] [Indexed: 06/14/2023]
Abstract
The purpose of this study was to explore the interventional effects of folic acid on the heart damage caused by lead acetate exposure. Twenty-four 60-day-old male Sprague-Dawley (SD) rats were randomly divided into 4 groups with 6 rats in each group. The control group (C group) was normal rats; the lead exposure group (L group) rats drank 0.2% lead acetate solution freely for 14 days. The rats in the intervention group (T group) were given 0.2% lead acetate solution for 14 days, respectively, and 0.4 mg/kg BW folic acid solution was given to the rats by gavage on the 7th day of lead administration. The rats in the folic acid group (group E) were given 0.4 mg/kg BW folic acid solution by gavage. To weigh rat body weight and heart weight, calculate heart index, and observe the expression level of nuclear factor erythroid 2-related factor 2(Nrf2), heme oxygenase 1(HO-1), glucose-regulated protein 78/binding immunoglobulin protein (GRP78), and C/EBP-homologous protein (CHOP) by immunofluorescence method. The results showed that compared with group C, serum lead levels in group L and T were significantly increased (P < 0.05); superoxide dismutase (SOD), glutathione (GSH), and glutathione peroxidase (GSH-PX) levels in group L were significantly decreased (P < 0.05), and malondialdehyde (MDA) content was significantly higher increased (P < 0.05), and the GSH-PX content in group T were significantly increased in group L (P < 0.05), and the MDA content in group T was significantly lower than that in group L (P < 0.05). Compared with group C, the expression of Nrf2, HO-1, GRP78, and CHOP in group L increased significantly, and the difference was statistically significant (P < 0.05). Compared with the L group, the expression of Nrf2, HO-1, GRP78, and CHOP in the T group was reduced. Therefore, folic acid has a certain protective effect on the oxidative damage of lead-exposed rat heart tissue. Lead exposure will increase ROS, NO, MDA, and other oxidizing substances and reduce the level of GSH, SOD, CAT, GPx, and other antioxidant factors, which will lead to cardiac hypertrophy, cardiac index increase, oxidative stress, Nrf2, and HO-1. The expression of stress-related proteins such as GRP78 and CHOP also increased, leading to cardiomyocyte apoptosis. After a folic acid intervention, these changes can be significantly reversed.
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Affiliation(s)
- Ning Li
- College of Food Science and Technology, Henan Agricultural University, Zhengzhou, 450002, China.
| | - Yali Zhao
- College of Food Science and Technology, Henan Agricultural University, Zhengzhou, 450002, China
| | - Fangyu Wang
- Key Laboratory for Animal Immunology, Henan Academy of Agricultural Sciences, Zhengzhou, 450002, China
| | - Lianjun Song
- College of Food Science and Technology, Henan Agricultural University, Zhengzhou, 450002, China
| | - Mingwu Qiao
- College of Food Science and Technology, Henan Agricultural University, Zhengzhou, 450002, China
| | - Tianlin Wang
- College of Food Science and Technology, Henan Agricultural University, Zhengzhou, 450002, China
| | - Xianqing Huang
- College of Food Science and Technology, Henan Agricultural University, Zhengzhou, 450002, China
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Discrepancy between the Actions of Glucagon-like Peptide-1 Receptor Ligands in the Protection of the Heart against Ischemia Reperfusion Injury. Pharmaceuticals (Basel) 2022; 15:ph15060720. [PMID: 35745639 PMCID: PMC9228343 DOI: 10.3390/ph15060720] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Accepted: 06/02/2022] [Indexed: 11/23/2022] Open
Abstract
Tirzepatide is a dual glucagon-like peptide-1 (GLP-1) and glucose-dependent insulinotropic polypeptide (GIP) receptor agonist and a promising therapy for type 2 diabetes mellitus (T2DM). GLP-1 is an incretin hormone with therapeutic potential beyond type 2 diabetes mellitus. However, GLP-1 is rapidly degraded by dipeptdyl peptidase-IV (DPP-IV) to GLP-1 (9-36). Exendin-4 (Ex-4) is a DPP-IV-resistant GLP-1 receptor agonist which, when truncated to Ex-4 (9-39), acts as a GLP-1 receptor antagonist. In the present study, hearts isolated from Wistar rats (n = 8 per group) were perfused with a modified Langendorff preparation. Left ventricular (LV) contractility and cardiovascular hemodynamics were evaluated by a data acquisition program and infarct size was evaluated by 2,3,5-Triphenyl-2H-tetrazolium chloride (TTC) staining and cardiac enzyme levels. Hearts were subjected to 30 min regional ischemia, produced by ligation of the left anterior descending (LAD) coronary artery followed by 30 min reperfusion. Hearts were treated during reperfusion with either the non-lipidated precursor of tirzepatide (NLT), GLP-1, GLP-1 (9-36), or Ex-4 in the presence or absence of Ex-4 (9-39). Infusion of GLP-1 (9-36) or Ex-4 protected the heart against I/R injury (p > 0.01) by normalizing cardiac hemodynamic and enzyme levels. Neither GLP-1, NLT, nor Ex-4 (9-39) showed any protection. Interestingly, Ex-4 (9-39) blocked Ex-4-mediated protection but not that of GLP-1 (9-36). These data suggest that Ex-4-mediated protection is GLP-1-receptor-dependent but GLP-1 (9-36)-mediated protection is not.
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Oluranti OI, Adeyemo VA, Achile EO, Fatokun BP, Ojo AO. Rutin Improves Cardiac and Erythrocyte Membrane-Bound ATPase Activities in Male Rats Exposed to Cadmium Chloride and Lead Acetate. Biol Trace Elem Res 2022; 200:1181-1189. [PMID: 33844168 DOI: 10.1007/s12011-021-02711-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/18/2021] [Accepted: 04/06/2021] [Indexed: 01/09/2023]
Abstract
Cardiovascular diseases have been associated with cadmium (Cd) and lead (Pb). Impaired Ca2+ and Na+/K+-ATPase activities have also been linked to hemolytic and cardiovascular disorders. This study investigated the effect of rutin on Cd and/or Pb-induced cardiac and erythrocyte disorders in male rats. Twenty-five (25) male Wistar rats were treated as (n=5): Control, Pb (60 mg/kg, p.o), Cd (5 mg/kg, p.o), Pb + Cd, Rutin + Pb + Cd (50 mg/kg Rt, 60 mg/kg Pb, 5 mg/kg Cd, p.o). Plasma electrolyte and Ca2+- and Na+/K+-ATPase activities in the erythrocyte and heart of the rats were assayed. There was an increased and decreased activity of cardiac and erythrocyte Na+/K+-ATPase in Pb- (172%) and Cd- (33.7%) treated groups, respectively. However, rutin increased erythrocyte Na+/K+-ATPase activity in Cd + Pb when compared with Cd and Cd + Pb groups. Erythrocyte Ca2+-ATPase activity was decreased in the Pb (68%), Cd (68%) and Cd + Pb (55.3%) groups. Cardiac Na+/K+-ATPase activity was not altered in Pb and Cd groups while it decreased in Cd + Pb. Rutin increased the activity of the pump in Cd +Pb-treated rats compared to the Cd+Pb group. Therefore, rutin reversed cadmium- and lead-induced impaired cardiac and erythrocyte membrane Ca2+- and Na+/K+-ATPase activities. Graphical Abstract Dotted lines-decrease activity, curved lines-increased activity (created with BioRender.com ).
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Affiliation(s)
- Olufemi I Oluranti
- Applied and Environmental Physiology Unit, Department of Physiology, Bowen University, P.M.B 284, Iwo, Osun State, Nigeria.
| | - Victor A Adeyemo
- Applied and Environmental Physiology Unit, Department of Physiology, Bowen University, P.M.B 284, Iwo, Osun State, Nigeria
| | - Esther O Achile
- Applied and Environmental Physiology Unit, Department of Physiology, Bowen University, P.M.B 284, Iwo, Osun State, Nigeria
| | - Bosede P Fatokun
- Applied and Environmental Physiology Unit, Department of Physiology, Bowen University, P.M.B 284, Iwo, Osun State, Nigeria
| | - Alaba O Ojo
- Cardiovascular Physiology Unit, Department of Physiology, Bowen University, P.M.B 284, Iwo, Osun State, Nigeria
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Miao Z, Miao Z, Shi X, Wu H, Yao Y, Xu S. The antagonistic effect of selenium on lead-induced apoptosis and necroptosis via P38/JNK/ERK pathway in chicken kidney. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2022; 231:113176. [PMID: 35026588 DOI: 10.1016/j.ecoenv.2022.113176] [Citation(s) in RCA: 58] [Impact Index Per Article: 29.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/03/2021] [Revised: 01/03/2022] [Accepted: 01/05/2022] [Indexed: 06/14/2023]
Abstract
Lead (Pb), as a toxic heavy metal pollutant, has been paid much attention. Pb is often discharged into the environment through the soot, wastewater and waste residue in industrial production, which poses a great threat to animal health. Selenium (Se) is a trace element known to antagonize the toxicity caused by heavy metals. However, the interaction between Se and Pb in chicken kidney and its specific biological mechanism are still unclear. So, we constructed chicken models of Pb exposure and Pb, Se co-exposure. Therefore, we used western blot and qRT-PCR to detect the expression of related genes. The results showed that Pb activated the MAPK signaling pathway by up-regulating the expression of MARK pathway genes to induce the expression of pro-apoptotic genes and necroptosis-related genes. Se can regulate the MARK signaling pathway and attenuated the expression of MAPK pathway genes altered by Pb to reduce apoptosis and necroptosis of chicken kidney cells. Our study gives new ideas for the specific mechanism of Pb nephrotoxicity and provides a reference for comparative medicine and clinical medication.
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Affiliation(s)
- Zhiruo Miao
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, PR China
| | - Zhiying Miao
- College of Animal Science, Northeast Agricultural University, Harbin 150030, PR China
| | - Xu Shi
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, PR China
| | - Hao Wu
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, PR China
| | - Yujie Yao
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, PR China
| | - Shiwen Xu
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, PR China; Key Laboratory of the Provincial Education Department of Heilongjiang for Common Animal Disease Prevention and Treatment, College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, PR China.
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Shimizu K, Horie M, Tabei Y, Kashiwada S. Proinflammatory response caused by lead nanoparticles triggered by engulfed nanoparticles. ENVIRONMENTAL TOXICOLOGY 2021; 36:2040-2050. [PMID: 34189835 DOI: 10.1002/tox.23321] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Accepted: 06/18/2021] [Indexed: 06/13/2023]
Abstract
In this study, the cellular effects of lead (Pb) nanoparticles with a primary particle size of 80 nm were evaluated in two types of cell lines: human lung carcinoma A549 and macrophage-differentiated THP-1 cells (dTHP-1). The cellular responses induced by the Pb nanoparticles varied among the cell types. Exposure to Pb nanoparticles for 24 h at a concentration of 100 μg/ml induced interleukin-8 (IL-8) expression in dTHP-1 cells. Induction of IL-8 expression in A549 was lower than dTHP-1 cells. Pb nanoparticles also induced the gene expression of heme oxygenase-1 in dTHP-1 cells but not in A549 cells. Though cellular uptake of Pb nanoparticles was observed in both the cell types, the amount of internalized Pb particles was lower in A549 cells than that in dTHP-1 cells. Gene expression of metallothionein 2A was remarkably enhanced by Pb nanoparticle exposure in dTHP-1 cells. Compared with Pb nanoparticles, induction of cytokines caused by lead nitrate (Pb[NO3 ]2 ), a water-soluble Pb compound, was smaller. In conclusion, the present study revealed that Pb nanoparticles induced a stronger cellular response than Pb(NO3 )2 , primarily by eliciting cytokine production, in a cell type-dependent manner.
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Affiliation(s)
- Kaori Shimizu
- Health and Medical Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Takamatsu, Kagawa, Japan
- Graduate School of Life Sciences, Toyo University, Itakura, Gunma, Japan
| | - Masanori Horie
- Health and Medical Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Takamatsu, Kagawa, Japan
| | - Yosuke Tabei
- Health and Medical Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Takamatsu, Kagawa, Japan
| | - Shosaku Kashiwada
- Graduate School of Life Sciences, Toyo University, Itakura, Gunma, Japan
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Yu C, Qiu M, Zhang Z, Song X, Du H, Peng H, Li Q, Yang L, Xiong X, Xia B, Hu C, Chen J, Jiang X, Yang C. Transcriptome sequencing reveals genes involved in cadmium-triggered oxidative stress in the chicken heart. Poult Sci 2021; 100:100932. [PMID: 33652545 PMCID: PMC7936198 DOI: 10.1016/j.psj.2020.12.029] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2020] [Revised: 12/11/2020] [Accepted: 12/15/2020] [Indexed: 01/11/2023] Open
Abstract
As a ubiquitous heavy metal, cadmium (Cd) is highly toxic to various organs. However, the effects and molecular mechanism of Cd toxicity in the chicken heart remain largely unknown. The goal of our study was to investigate the cardiac injury in chickens' exposure to Cd. We detected the levels of oxidative stress-related molecules in the Cd-induced chicken heart, and assessed the histopathological changes by hematoxylin and eosin staining. RNA sequencing was performed to identify differentially expressed mRNAs between the Cd-induced group and control group. The expression of candidate genes involved in oxidative stress was certified by quantitative reverse transcription PCR. Our results showed that the expression of glutathione, peroxidase, and superoxide dismutase was significantly decreased and malondialdehyde was increased in the heart of chickens by Cd induction. The disorderly arranged cardiomyocytes, swelled and enlarged cells, partial cardiomyocyte necrosis, blurred morphological structure, and notable inflammatory cell infiltration were observed in the Cd-induced chicken heart. RNA sequencing identified 23 upregulated and 11 downregulated mRNAs in the heart tissues of the chicken in the Cd-induced group, and functional pathways indicated that they were associated with oxidative stress. Moreover, CREM, DUSP8, and ITGA11 expressions were significantly reduced, whereas LAMA1 expression was induced in heart tissue of chickens by Cd treatment. Overall, our findings revealed that oxidative stress and pathological changes in the chicken heart could be triggered by Cd. The mRNA transcriptional profiles identified differentially expressed genes in the chicken heart by Cd induction, revealing oxidative stress-related key genes and enhancing our understanding of Cd toxicity in the chicken heart.
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Affiliation(s)
- Chunlin Yu
- Sichuan Animal Science Academy, Chengdu, Sichuan 610066 China; Animal Breeding and Genetics Key Laboratory of Sichuan Province, Chengdu, Sichuan 610066 China
| | - Mohan Qiu
- Sichuan Animal Science Academy, Chengdu, Sichuan 610066 China; Animal Breeding and Genetics Key Laboratory of Sichuan Province, Chengdu, Sichuan 610066 China
| | - Zengrong Zhang
- Sichuan Animal Science Academy, Chengdu, Sichuan 610066 China; Animal Breeding and Genetics Key Laboratory of Sichuan Province, Chengdu, Sichuan 610066 China
| | - Xiaoyan Song
- Sichuan Animal Science Academy, Chengdu, Sichuan 610066 China; Animal Breeding and Genetics Key Laboratory of Sichuan Province, Chengdu, Sichuan 610066 China
| | - Huarui Du
- Sichuan Animal Science Academy, Chengdu, Sichuan 610066 China; Animal Breeding and Genetics Key Laboratory of Sichuan Province, Chengdu, Sichuan 610066 China
| | - Han Peng
- Sichuan Animal Science Academy, Chengdu, Sichuan 610066 China; Animal Breeding and Genetics Key Laboratory of Sichuan Province, Chengdu, Sichuan 610066 China
| | - Qingyun Li
- Sichuan Animal Science Academy, Chengdu, Sichuan 610066 China; Animal Breeding and Genetics Key Laboratory of Sichuan Province, Chengdu, Sichuan 610066 China
| | - Li Yang
- Sichuan Animal Science Academy, Chengdu, Sichuan 610066 China; Animal Breeding and Genetics Key Laboratory of Sichuan Province, Chengdu, Sichuan 610066 China
| | - Xia Xiong
- Sichuan Animal Science Academy, Chengdu, Sichuan 610066 China; Animal Breeding and Genetics Key Laboratory of Sichuan Province, Chengdu, Sichuan 610066 China
| | - Bo Xia
- Sichuan Animal Science Academy, Chengdu, Sichuan 610066 China; Animal Breeding and Genetics Key Laboratory of Sichuan Province, Chengdu, Sichuan 610066 China
| | - Chenming Hu
- Sichuan Animal Science Academy, Chengdu, Sichuan 610066 China; Animal Breeding and Genetics Key Laboratory of Sichuan Province, Chengdu, Sichuan 610066 China
| | - Jialei Chen
- Sichuan Animal Science Academy, Chengdu, Sichuan 610066 China; Animal Breeding and Genetics Key Laboratory of Sichuan Province, Chengdu, Sichuan 610066 China
| | - Xiaosong Jiang
- Sichuan Animal Science Academy, Chengdu, Sichuan 610066 China; Animal Breeding and Genetics Key Laboratory of Sichuan Province, Chengdu, Sichuan 610066 China
| | - Chaowu Yang
- Sichuan Animal Science Academy, Chengdu, Sichuan 610066 China; Animal Breeding and Genetics Key Laboratory of Sichuan Province, Chengdu, Sichuan 610066 China.
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Effect of N-acetyl cysteine on oxidative stress and Bax and Bcl2 expression in the kidney tissue of rats exposed to lead. UKRAINIAN BIOCHEMICAL JOURNAL 2021. [DOI: 10.15407/ubj93.01.059] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
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15
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Obeng-Gyasi E, Armijos RX, Weigel MM, Filippelli GM, Sayegh MA. Cardiovascular-Related Outcomes in U.S. Adults Exposed to Lead. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2018; 15:E759. [PMID: 29662032 PMCID: PMC5923801 DOI: 10.3390/ijerph15040759] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/10/2018] [Revised: 04/10/2018] [Accepted: 04/12/2018] [Indexed: 01/15/2023]
Abstract
Cardiovascular-related clinical markers were evaluated in this cross-sectional study of United States adults (aged ≥ 20) exposed to lead via the National Health and Nutrition Examination Survey 2007-2008 and the 2009-2010 datasets. In four quartiles of exposure-0-2 μg/dL, 2-5 μg/dL, 5-10 μg/dL, and 10 μg/dL and over, clinical and anthropometric markers were evaluated-to examine how the markers manifested in the quartiles. Associations were determined via linear regression. Finally, clinical makers, and how they manifested between exposed and less-exposed occupations, were explored in addition to how duration of exposure altered these clinical markers. In regression analysis, Diastolic Blood Pressure (DBP) and high-density lipoprotein (HDL) cholesterol, were significantly associated with blood lead level (BLL). In the occupational analysis, Systolic Blood Pressure (SBP), DBP, C-reactive protein (CRP), triglycerides, low-density lipoprotein (LDL) cholesterol, high-density lipoprotein (HDL) cholesterol, showed differences between populations in the exposed and less-exposed occupations. Regarding Agriculture, Forestry & Fishing, the duration of exposure altered SBP, CRP, and LDL cholesterol. With mining, the duration of exposure altered SBP, DBP, triglycerides, and HDL cholesterol, whereas in construction, the duration in occupation altered SBP, triglycerides, and CRP. In conclusion, lead exposure has a profound effect on the cardiovascular system, with potentially adverse outcomes existing at all exposure levels.
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Affiliation(s)
- Emmanuel Obeng-Gyasi
- Department of Built Environment, North Carolina Agricultural and Technical State University, Greensboro, NC 27411, USA.
| | - Rodrigo X Armijos
- Department of Environmental and Occupational Health, Indiana University School of Public Health, Bloomington, IN 47405, USA.
| | - M Margaret Weigel
- Department of Environmental and Occupational Health, Indiana University School of Public Health, Bloomington, IN 47405, USA.
| | - Gabriel M Filippelli
- Department of Earth Sciences, Indiana University Purdue University Indianapolis, Indianapolis, IN 46202, USA.
| | - M Aaron Sayegh
- Department of Epidemiology and Biostatistics, Indiana University School of Public Health, Bloomington, IN 47405, USA.
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