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Pak YK, Im S, Choi HS, Lind L, Lind M, Lee HK. Correlation between environmental pollutant exposure and cardiopulmonary health by serum biomarker analysis in the Swedish elderly population. INTERNATIONAL JOURNAL OF ENVIRONMENTAL HEALTH RESEARCH 2024:1-14. [PMID: 39037202 DOI: 10.1080/09603123.2024.2382306] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/07/2024] [Accepted: 07/16/2024] [Indexed: 07/23/2024]
Abstract
Persistent organic pollutants (POPs) affect human health through the aryl hydrocarbon receptor (AhR) pathway and are implicated in mitochondrial dysfunction. Using data from the PIVUS study, we investigated the associations of serum AhR ligand (POP)-mediated luciferase activity (AhRL), mitochondrial ATP production inhibiting substances (MIS-ATP), and those affecting reactive oxygen species (MIS-ROS) with several metabolic syndrome (MetS) and cardiopulmonary function parameters. These include insulin resistance (HOMA-IR), inflammation, oxidative stress, and cardiopulmonary variables (FVC, FEV1, LV-EF, CCA distensibility). MIS-ATP showed significant correlations with HOMA-IR and pulmonary functions, indicating its direct impact of MIS-ATP on metabolic and pulmonary health. MIS-ROS correlated with oxidative stress markers and CCA distensibility, suggesting a role in systemic inflammatory responses. This study highlights the intricate relationships between environmental pollutant mixture and cardiopulmonary health in MetS as indicated by biomarkers of POP exposure in the elderly population, suggesting POP exposure may influence MetS onset and progression through mitochondrial dysfunction.
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Affiliation(s)
- Youngmi Kim Pak
- Department of Physiology, Medical Research Center for Bioreaction to Reactive Oxygen Species and Biomedical Science Institute, Kyung Hee University School of Medicine, Seoul, South Korea
- Department of Neuroscience, Medical Research Center for Bioreaction to Reactive Oxygen Species and Biomedical Science Institute, Kyung Hee University School of Medicine, Seoul, South Korea
| | - Suyeol Im
- Department of Neuroscience, Medical Research Center for Bioreaction to Reactive Oxygen Species and Biomedical Science Institute, Kyung Hee University School of Medicine, Seoul, South Korea
| | - Hoon Sung Choi
- Department of Internal Medicine, Chung Ang University College of Medicine, Seoul, South Korea
| | - Lars Lind
- Department of Medical Sciences, Uppsala University, Uppsala, Sweden
| | - Monica Lind
- Occupational and Environmental Medicine, Uppsala University, Uppsala, Sweden
| | - Hong Kyu Lee
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul, South Korea
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Run L, Tian Z, Xu L, Du J, Li N, Wang Q, Sun H. Knockdown of IL4I1 Improved High Glucose-evoked Insulin Resistance in HepG2 Cells by Alleviating Inflammation and Lipotoxicity Through AHR Activation. Appl Biochem Biotechnol 2023; 195:6694-6707. [PMID: 36913096 DOI: 10.1007/s12010-023-04399-9] [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] [Accepted: 02/17/2023] [Indexed: 03/14/2023]
Abstract
Insulin resistance (IR) is one of the leading causes of Type 2 diabetes mellitus (T2DM). Inflammation, as a result of the disordered immune response, plays important roles in IR and T2DM. Interleukin-4-induced gene 1 (IL4I1) has been shown to regulate immune response and be involved in inflammation progress. However, there was little known about its roles in T2DM. Here, high glucose (HG)-treated HepG2 cells were used for T2DM investigation in vitro. Our results indicated that the expression of IL4I1 was up-regulated in peripheral blood samples of T2DM-patients and HG-induced HepG2 cells. The silencing of IL4I1 alleviated the HG-evoked IR through elevating the expressions of p-IRS1, p-AKT and GLUT4, and enhancing glucose consumption. Furthermore, IL4I1 knockdown inhibited inflammatory response by reducing the levels of inflammatory mediators, and suppressed the accumulation of lipid metabolites triglyceride (TG) and palmitate (PA) in HG-induced cells. Notably, IL4I1 expression was positively correlated with aryl hydrocarbon receptor (AHR) in peripheral blood samples of T2DM-patients. The silencing of IL4I1 inhibited the AHR signaling by reducing the HG-induced expressions of AHR and CYP1A1. Subsequent experiments confirmed that 2,3,7,8-Tetrachlorodibenzo-p-dioxin (TCDD), an agonist of AHR, reversed the suppressive effects of IL4I1 knockdown on HG-caused inflammation, lipid metabolism and IR in cells. In conclusion, we found that the silencing of IL4I1 attenuated inflammation, lipid metabolism and IR in HG-induced cells via inhibiting AHR signaling, suggesting that IL4I1 might be a potential therapy target for T2DM.
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Affiliation(s)
- Lin Run
- Department of Pathophysiology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, 710061, Xi'an, Shaanxi, China, NO. 76, Yanta West Road, Yanta District
- Department of Endocrinology, Xi'an Central Hospital Affiliated to Medical College of Xi'an Jiaotong University, 710003, Xi'an, Shaanxi, China
| | - Zhufang Tian
- Department of Endocrinology, Xi'an Central Hospital Affiliated to Medical College of Xi'an Jiaotong University, 710003, Xi'an, Shaanxi, China
| | - Lin Xu
- Department of Endocrinology, The Affiliated Guangren Hospital, Xi'an Jiaotong University College of Medicine, 710004, Xi'an, Shaanxi, China
| | - Junhui Du
- Department of Medicine Interdisciplinary Research, Xi'an Ninth Hospital Affiliated to Medical College of Xi'an Jiaotong University, 710054, Xi'an, Shaanxi, China
| | - Nan Li
- Clinical Laboratory, Xi'an Central Hospital Affiliated to Medical College of Xi'an Jiaotong University, 710003, Xi'an, Shaanxi, China
| | - Qi Wang
- Department of Nuclear Medicine, Xi'an Central Hospital Affiliated to Medical College of Xi'an Jiaotong University, 710003, Xi'an, Shaanxi, China
| | - Hongzhi Sun
- Department of Pathophysiology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, 710061, Xi'an, Shaanxi, China, NO. 76, Yanta West Road, Yanta District.
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Haghshenas R, Aftabi Y, Doaei S, Gholamalizadeh M. Synergistic effect of endurance training and nettle leaf extract on the IDO1-KYN-AHR pathway homeostasis and inhibiting of liver toxicity in rats with STZ-induced diabetes. Front Endocrinol (Lausanne) 2023; 14:1071424. [PMID: 37305057 PMCID: PMC10251405 DOI: 10.3389/fendo.2023.1071424] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/16/2022] [Accepted: 05/05/2023] [Indexed: 06/13/2023] Open
Abstract
Introduction Diabetes adversely affects a number of hepatic molecular pathways, including the kynurenine (KYN) pathway. KYN is produced by indoleamine 2,3-dioxygenase (IDO) and activates the aryl hydrocarbon receptor (AHR). This study evaluated the effect of endurance training (EndTr) and nettle leaf extract (NLE) on the IDO1-KYN-AHR pathway in the livers of rats with streptozotocin-induced diabetes. Methods We divided 48 rats into six groups: controls (Ct), treated with EndTr (EndTr), diabetes-induced (D), D treated with NLE (D + NLE), D treated with EndTr (D + EnTr), and D treated with EndTr and NLE (D + EndTr + NLE). EndTr, D + EnTr, and D + EndTr + NLE groups were subjected to training with running on treadmill for 8 weeks, 5 days per week, 25 min in first session to 59 min at last session with intensity of 55% to 65% VO2max. Using real-time PCR gene (Ahr, Cyp1a1, and Ido1) expressions and ELISA, malondialdehyde (MDA) and protein (IDO1, AHR, and CYP1A1) levels were determined in the liver samples. Results A significant three-way interaction of exercise, nettle, and diabetes was observed on the all variables (P< 0.001). In particular, significant increases in blood glucose level (BGL), in gene and protein expression, and in MDA and KYN levels were observed in the liver samples of the D group versus the Ct group (P< 0.05). BGL and liver MDA levels were significantly lower in the D + EndTr and D + NLE groups than that in the D group. However, the D + EndTr + NLE group showed a more significant decrease in these factors (P< 0.05). In addition, liver KYN levels were significantly lower in the EndTr group compared with that in the Ct group as well as in the D + EndTr + NLE and D + EndTr groups compared with that in the D groups (P< 0.05). Whereas both the EndTr and D + NLE groups showed lower Ahr expression and AHR level compared with the Ct and D groups, respectively (P< 0.05), the D + EndTr + NLE group showed a higher significant reduction in the AHR level than the D group (P< 0.05). The Cyp1a1 expression and IDO1 level significantly decreased only in the D + EndTr + NLE group compared to that in the D group (P< 0.05). Conclusion Overall, this study showed that the combination of EndTr and NLE may synergistically restore the imbalanced IDO1-KYN-AHR pathway in diabetic liver.
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Affiliation(s)
- Rouhollah Haghshenas
- Department of Sport Sciences, Faculty of Humanities, Semnan University, Semnan, Iran
| | - Younes Aftabi
- Tuberculosis and Lung Diseases Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Saied Doaei
- Department of Community Nutrition, School of Nutrition and Food Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Maryam Gholamalizadeh
- Cancer Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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Wang J, Lu P, Xie W. Atypical functions of xenobiotic receptors in lipid and glucose metabolism. MEDICAL REVIEW (2021) 2022; 2:611-624. [PMID: 36785576 PMCID: PMC9912049 DOI: 10.1515/mr-2022-0032] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Accepted: 11/08/2022] [Indexed: 12/02/2022]
Abstract
Xenobiotic receptors are traditionally defined as xenobiotic chemical-sensing receptors, the activation of which transcriptionally regulates the expression of enzymes and transporters involved in the metabolism and disposition of xenobiotics. Emerging evidence suggests that "xenobiotic receptors" also have diverse endobiotic functions, including their effects on lipid metabolism and energy metabolism. Dyslipidemia is a major risk factor for cardiovascular disease, diabetes, obesity, metabolic syndrome, stroke, nonalcoholic fatty liver disease (NAFLD), and nonalcoholic steatohepatitis (NASH). Understanding the molecular mechanism by which transcriptional factors, including the xenobiotic receptors, regulate lipid homeostasis will help to develop preventive and therapeutic approaches. This review describes recent advances in our understanding the atypical roles of three xenobiotic receptors: aryl hydrocarbon receptor (AhR), pregnane X receptor (PXR), and constitutive androstane receptor (CAR), in metabolic disorders, with a particular focus on their effects on lipid and glucose metabolism. Collectively, the literatures suggest the potential values of AhR, PXR and CAR as therapeutic targets for the treatment of NAFLD, NASH, obesity and diabetes, and cardiovascular diseases.
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Affiliation(s)
- Jingyuan Wang
- Center for Pharmacogenetics and Department of Pharmaceutical Sciences, University of Pittsburgh, Pittsburgh, PA, USA
| | - Peipei Lu
- Center for Pharmacogenetics and Department of Pharmaceutical Sciences, University of Pittsburgh, Pittsburgh, PA, USA
| | - Wen Xie
- Center for Pharmacogenetics and Department of Pharmaceutical Sciences, University of Pittsburgh, Pittsburgh, PA, USA
- Department of Pharmacology and Chemical Biology, University of Pittsburgh, Pittsburgh, PA, USA
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Sayed TS, Maayah ZH, Zeidan HA, Agouni A, Korashy HM. Insight into the physiological and pathological roles of the aryl hydrocarbon receptor pathway in glucose homeostasis, insulin resistance, and diabetes development. Cell Mol Biol Lett 2022; 27:103. [PMID: 36418969 PMCID: PMC9682773 DOI: 10.1186/s11658-022-00397-7] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Accepted: 10/25/2022] [Indexed: 11/24/2022] Open
Abstract
The aryl hydrocarbon receptor (AhR) is a ligand-activated transcriptional factor that mediates the toxicities of several environmental pollutants. Decades of research have been carried out to understand the role of AhR as a novel mechanism for disease development. Its involvement in the pathogenesis of cancer, cardiovascular diseases, rheumatoid arthritis, and systemic lupus erythematosus have long been known. One of the current hot research topics is investigating the role of AhR activation by environmental pollutants on glucose homeostasis and insulin secretion, and hence the pathogenesis of diabetes mellitus. To date, epidemiological studies have suggested that persistent exposure to environmental contaminants such as dioxins, with subsequent AhR activation increases the risk of specific comorbidities such as obesity and diabetes. The importance of AhR signaling in various molecular pathways highlights that the role of this receptor is far beyond just xenobiotic metabolism. The present review aims at providing significant insight into the physiological and pathological role of AhR and its regulated enzymes, such as cytochrome P450 1A1 (CYP1A1) and CYP1B1 in both types of diabetes. It also provides a comprehensive summary of the current findings of recent research studies investigating the role of the AhR/CYP1A1 pathway in insulin secretion and glucose hemostasis in the pancreas, liver, and adipose tissues. This review further highlights the molecular mechanisms involved, such as gluconeogenesis, hypoxia-inducible factor (HIF), oxidative stress, and inflammation.
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Affiliation(s)
- Tahseen S. Sayed
- grid.412603.20000 0004 0634 1084Department of Pharmaceutical Sciences, College of Pharmacy, QU Health, Qatar University, 2713, Doha, Qatar
| | - Zaid H. Maayah
- grid.412603.20000 0004 0634 1084Department of Pharmaceutical Sciences, College of Pharmacy, QU Health, Qatar University, 2713, Doha, Qatar
| | - Heba A. Zeidan
- grid.498552.70000 0004 0409 8340American School of Doha, Doha, Qatar
| | - Abdelali Agouni
- grid.412603.20000 0004 0634 1084Department of Pharmaceutical Sciences, College of Pharmacy, QU Health, Qatar University, 2713, Doha, Qatar
| | - Hesham M. Korashy
- grid.412603.20000 0004 0634 1084Department of Pharmaceutical Sciences, College of Pharmacy, QU Health, Qatar University, 2713, Doha, Qatar
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Oh R, Lee HK, Pak YK, Oh MS. An Interactive Online App for Predicting Diabetes via Machine Learning from Environment-Polluting Chemical Exposure Data. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph19105800. [PMID: 35627338 PMCID: PMC9142138 DOI: 10.3390/ijerph19105800] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/09/2022] [Revised: 05/04/2022] [Accepted: 05/07/2022] [Indexed: 02/04/2023]
Abstract
The early prediction and identification of risk factors for diabetes may prevent or delay diabetes progression. In this study, we developed an interactive online application that provides the predictive probabilities of prediabetes and diabetes in 4 years based on a Bayesian network (BN) classifier, which is an interpretable machine learning technique. The BN was trained using a dataset from the Ansung cohort of the Korean Genome and Epidemiological Study (KoGES) in 2008, with a follow-up in 2012. The dataset contained not only traditional risk factors (current diabetes status, sex, age, etc.) for future diabetes, but it also contained serum biomarkers, which quantified the individual level of exposure to environment-polluting chemicals (EPC). Based on accuracy and the area under the curve (AUC), a tree-augmented BN with 11 variables derived from feature selection was used as our prediction model. The online application that implemented our BN prediction system provided a tool that performs customized diabetes prediction and allows users to simulate the effects of controlling risk factors for the future development of diabetes. The prediction results of our method demonstrated that the EPC biomarkers had interactive effects on diabetes progression and that the use of the EPC biomarkers contributed to a substantial improvement in prediction performance.
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Affiliation(s)
- Rosy Oh
- Department of Mathematics, Korea Military Academy, Seoul 01805, Korea;
| | - Hong Kyu Lee
- Department of Internal Medicine, College of Medicine, Seoul National University, Seoul 03080, Korea;
| | - Youngmi Kim Pak
- Department of Physiology, College of Medicine, Kyung Hee University, Seoul 02447, Korea
- Correspondence: (Y.K.P.); (M.-S.O.); Tel.: +82-2-961-0908 (Y.K.P.); +82-2-3277-2374 (M.-S.O.)
| | - Man-Suk Oh
- Department of Statistics, Ewha Womans University, Seoul 03760, Korea
- Correspondence: (Y.K.P.); (M.-S.O.); Tel.: +82-2-961-0908 (Y.K.P.); +82-2-3277-2374 (M.-S.O.)
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Shrestha D, Picciotto S, LaValley MP, Liu S, Hammond SK, Weiner DE, Eisen EA, Applebaum KM. End-stage renal disease and metalworking fluid exposure. Occup Environ Med 2021; 79:24-31. [PMID: 34210793 DOI: 10.1136/oemed-2020-106715] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Accepted: 05/24/2021] [Indexed: 11/03/2022]
Abstract
OBJECTIVE Despite increasing prevalence of end-stage renal disease (ESRD), little attention has been directed to how occupational exposures may contribute to risk. Our objective was to investigate the relationship between metalworking fluids (MWF) and ESRD in a cohort of 36 703 male autoworkers. METHODS We accounted for competing risk of death, using the subdistribution hazard approach to estimate subhazard ratios (sHRs) and 95% CIs in models with cubic splines for cumulative exposure to MWF (straight, soluble or synthetic). RESULTS Based on 501 ESRD cases and 13 434 deaths, we did not observe an association between MWF and ESRD overall. We observed modest associations between MWF and ESRD classification of glomerulonephritis and diabetic nephropathy. For glomerulonephritis, the 60th percentile of straight MWF was associated with an 18% increased subhazard (sHR=1.18, 95% CI: 0.99 to 1.41). For diabetic nephropathy, the subhazard increased 28% at the 60th percentile of soluble MWF (sHR=1.28, 95% CI: 1.00 to 1.64). Differences by race suggest that black males may have higher disease rates following MWF exposure. CONCLUSIONS Exposure to straight and soluble MWF may be related to ESRD classification, though this relationship should be further examined.
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Affiliation(s)
- Deepika Shrestha
- Department of Environmental and Occupational Health, Milken Institute School of Public Health, George Washington University, Washington, District of Columbia, USA
| | - Sally Picciotto
- Division of Environmental Health Sciences, School of Public Health, University of California, Berkeley, Berkeley, California, USA
| | - Michael P LaValley
- Department of Biostatistics, Boston University School of Public Health, Boston, Massachusetts, USA
| | - Sa Liu
- Division of Environmental Health Sciences, School of Public Health, University of California, Berkeley, Berkeley, California, USA.,School of Health Sciences, Purdue University, West Lafayette, Indiana, USA
| | - S Katharine Hammond
- Division of Environmental Health Sciences, School of Public Health, University of California, Berkeley, Berkeley, California, USA
| | - Daniel E Weiner
- Division of Nephrology, Department of Medicine, Tufts Medical Center, Boston, Massachusetts, USA
| | - Ellen A Eisen
- Division of Environmental Health Sciences, School of Public Health, University of California, Berkeley, Berkeley, California, USA
| | - Katie M Applebaum
- Department of Environmental and Occupational Health, Milken Institute School of Public Health, George Washington University, Washington, District of Columbia, USA
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Mazzoccoli G, Kvetnoy I, Mironova E, Yablonskiy P, Sokolovich E, Krylova J, Carbone A, Anderson G, Polyakova V. The melatonergic pathway and its interactions in modulating respiratory system disorders. Biomed Pharmacother 2021; 137:111397. [PMID: 33761613 DOI: 10.1016/j.biopha.2021.111397] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Revised: 02/09/2021] [Accepted: 02/10/2021] [Indexed: 02/08/2023] Open
Abstract
Melatonin is a key intracellular neuroimmune-endocrine regulator and coordinator of multiple complex and interrelated biological processes. The main functions of melatonin include the regulation of neuroendocrine and antioxidant system activity, blood pressure, rhythms of the sleep-wake cycle, the retardation of ageing processes, as well as reseting and optimizing mitochondria and thereby the cells of the immune system. Melatonin and its agonists have therefore been mooted as a treatment option across a wide array of medical disorders. This article reviews the role of melatonin in the regulation of respiratory system functions under normal and pathological conditions. Melatonin can normalize the structural and functional organization of damaged lung tissues, by a number of mechanisms, including the regulation of signaling molecules, oxidant status, lipid raft function, optimized mitochondrial function and reseting of the immune response over the circadian rhythm. Consequently, melatonin has potential clinical utility for bronchial asthma, chronic obstructive pulmonary disease, lung cancer, lung vascular diseases, as well as pulmonary and viral infections. The integration of melatonin's effects with the alpha 7 nicotinic receptor and the aryl hydrocarbon receptor in the regulation of mitochondrial function are proposed as a wider framework for understanding the role of melatonin across a wide array of diverse pulmonary disorders.
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Affiliation(s)
- Gianluigi Mazzoccoli
- Department of Medical Sciences, Division of Internal Medicine and Chronobiology Laboratory, Fondazione IRCCS Casa Sollievo della Sofferenza, San Giovanni Rotondo 71013, Italy.
| | - Igor Kvetnoy
- Saint Petersburg Institute of Phthisiopulmonology, Lygovsky Ave. 2-4, Saint Petersburg 191036, Russian Federation; Department of Pathology, Saint Petersburg State University, University Embankment, 7/9, Saint Petersburg 199034, Russian Federation
| | - Ekaterina Mironova
- Saint Petersburg Institute of Bioregulation and Gerontology, Dynamo Ave., 3, Saint Petersburg 197110, Russian Federation
| | - Petr Yablonskiy
- Saint Petersburg Institute of Phthisiopulmonology, Lygovsky Ave. 2-4, Saint Petersburg 191036, Russian Federation
| | - Evgenii Sokolovich
- Saint Petersburg Institute of Phthisiopulmonology, Lygovsky Ave. 2-4, Saint Petersburg 191036, Russian Federation
| | - Julia Krylova
- Saint Petersburg Institute of Phthisiopulmonology, Lygovsky Ave. 2-4, Saint Petersburg 191036, Russian Federation; Pavlov First Saint Petersburg State Medical University, Lev Tolstoy str. 6-8, Saint Petersburg 197022, Russian Federation
| | - Annalucia Carbone
- Department of Medical Sciences, Division of Internal Medicine and Chronobiology Laboratory, Fondazione IRCCS Casa Sollievo della Sofferenza, San Giovanni Rotondo 71013, Italy
| | | | - Victoria Polyakova
- Saint Petersburg Institute of Phthisiopulmonology, Lygovsky Ave. 2-4, Saint Petersburg 191036, Russian Federation; St. Petersburg State Pediatric Medical University, Litovskaia str. 2, Saint-Petersburg 194100, Russian Federation
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