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Bourassa KJ, Sbarra DA. Trauma, adversity, and biological aging: behavioral mechanisms relevant to treatment and theory. Transl Psychiatry 2024; 14:285. [PMID: 38997260 PMCID: PMC11245531 DOI: 10.1038/s41398-024-03004-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Revised: 06/20/2024] [Accepted: 07/02/2024] [Indexed: 07/14/2024] Open
Abstract
Although stress and adversity are largely universal experiences, people exposed to greater hardship are at increased risk for negative health consequences. Recent studies identify accelerated biological aging as a mechanism that could explain how trauma and adversity gives rise to poor health, and advances in this area of study coincide with technological innovations in the measurement of biological aging, particularly epigenetic profiles consistent with accelerated aging derived from DNA methylation. In this review, we provide an overview of the current literature examining how adversity might accelerate biological aging, with a specific focus on social and health behaviors. The most extensive evidence in this area suggests that health-compromising behaviors, particularly smoking, may partially explain the association between adversity and accelerated aging. Although there is relatively less published support for the role of social behaviors, emerging evidence points to the importance of social connection as a mechanism for future study. Our review highlights the need to determine the extent to which the associations from adversity to accelerated aging are consistent with causal processes. As we consider these questions, the review emphasizes methodological approaches from the causal inference literature that can help deepen our understanding of how stress and trauma might result in poor health. The use of these methodologies will help provide evidence as to which behavioral interventions might slow aging and improve health, particularly among populations that more often experience adversity and trauma.
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Affiliation(s)
- Kyle J Bourassa
- VA Mid-Atlantic Mental Illness Research, Education and Clinical Center, Durham VA Health Care System, Durham, NC, USA.
- Geriatric Research, Education, and Clinical Center, Durham Veteran Affairs (VA) Health Care System, Durham, NC, USA.
- Center for the Study of Aging and Human Development, Duke University Medical Center, Durham, NC, USA.
| | - David A Sbarra
- Department of Psychology, University of Arizona, Tucson, AZ, USA
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Erreger K, Cao S, Pan Y, Jiang M, Zhang MZ, Harris RC, Hamm HE. Role of protease-activated receptor 4 in mouse models of acute and chronic kidney injury. Am J Physiol Renal Physiol 2024; 326:F219-F226. [PMID: 38031732 PMCID: PMC11198992 DOI: 10.1152/ajprenal.00162.2023] [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: 06/13/2023] [Revised: 11/22/2023] [Accepted: 11/22/2023] [Indexed: 12/01/2023] Open
Abstract
Protease-activated receptor 4 (PAR4) is a G protein-coupled receptor activated by thrombin. In the platelet, response to thrombin PAR4 contributes to the predominant procoagulant microparticle formation, increased fibrin deposition, and initiation of platelet-stimulated inflammation. In addition, PAR4 is expressed in other cell types, including endothelial cells. Under inflammatory conditions, PAR4 is overexpressed via epigenetic demethylation of the PAR4 gene, F2RL3. PAR4 knockout (KO) studies have determined a role for PAR4 in ischemia-reperfusion injury in the brain, and PAR4 KO mice display normal cardiac function but present less myocyte death and cardiac dysfunction in response to acute myocardial infarction. Although PAR4 has been reported to be expressed within the kidney, the contribution of PAR4 to acute kidney injury (AKI) and chronic kidney disease (CKD) is not well understood. Here we report that PAR4 KO mice are protected against kidney injury in two mouse models. First, PAR4 KO mice are protected against induction of markers of both fibrosis and inflammation in two different models of kidney injury: 1) 7 days following unilateral ureter obstruction (UUO) and 2) an AKI-CKD model of ischemia-reperfusion followed by 8 days of contralateral nephrectomy. We further show that PAR4 expression in the kidney is low in the control mouse kidney but induced over time following UUO. PAR4 KO mice are protected against blood urea nitrogen (BUN) and glomerular filtration rate (GFR) kidney function pathologies in the AKI-CKD model. Following the AKI-CKD model, PAR4 is expressed in the collecting duct colocalizing with Dolichos biflorus agglutinin (DBA), but not in the proximal tubule with Lotus tetragonolobus lectin (LTL). Collectively, the results reported in this study implicate PAR4 as contributing to the pathology in mouse models of acute and chronic kidney injury.NEW & NOTEWORTHY The contribution of the thrombin receptor protease-activated receptor 4 (PAR4) to acute kidney injury (AKI) and chronic kidney disease (CKD) is not well understood. Here we report that PAR4 expression is upregulated after kidney injury and PAR4 knockout (KO) mice are protected against fibrosis following kidney injury in two mouse models. First, PAR4 KO mice are protected against unilateral ureter obstruction. Second, PAR4 KO mice are protected against an AKI-CKD model of ischemia-reperfusion followed by contralateral nephrectomy.
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Affiliation(s)
- Kevin Erreger
- Department of Pharmacology, Vanderbilt University School of Medicine, Nashville, Tennessee, United States
| | - Shirong Cao
- Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee, United States
| | - Yu Pan
- Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee, United States
| | - Mengdi Jiang
- Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee, United States
| | - Ming-Zhi Zhang
- Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee, United States
| | - Raymond C Harris
- Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee, United States
| | - Heidi E Hamm
- Department of Pharmacology, Vanderbilt University School of Medicine, Nashville, Tennessee, United States
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Mizuno Y, Inaba Y, Masuoka H, Kibe M, Kosaka S, Natsuhara K, Hirayama K, Inthavong N, Kounnavong S, Tomita S, Umezaki M. Impact of modernization on oxidative stress among indigenous populations in northern Laos. AMERICAN JOURNAL OF BIOLOGICAL ANTHROPOLOGY 2023. [PMID: 36919625 DOI: 10.1002/ajpa.24722] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/19/2022] [Revised: 09/30/2022] [Accepted: 02/12/2023] [Indexed: 06/18/2023]
Abstract
OBJECTIVES To explore the impact of modernization on oxidative stress during a momentous health transition process, we investigated differences in oxidative stress among the indigenous populations of villages in northern Laos with different levels of modernization. METHODS We conducted a cross-sectional study of 380 adults in three villages with different levels of modernization. Three biomarkers related to oxidative stress were measured: urinary 8-hydroxy-2'-deoxyguanosine (8-OHdG) and 8-isoprostane concentrations (both measured by liquid chromatography-tandem mass spectrometry), and blood telomere length (measured with qPCR). We examined associations between village-level modernization and oxidative stress-related biomarkers in a multilevel analysis including a random effect and covariates. RESULTS The geometric means of urinary 8-OHdG and 8-isoprostane concentrations were 2.92 and 0.700 μg/g creatinine, respectively, in our study population. Higher urinary 8-OHdG concentrations and shorter telomeres were observed in participants from the more modernized villages, whereas urinary 8-isoprostane concentrations did not differ significantly among villages. CONCLUSIONS Our findings imply that modernization-induced changes in lifestyle may increase oxidative DNA damage. Baseline levels of oxidative lipid damage are expected to be high in the indigenous populations of northern Laos. Assessments of oxidative stress may provide valuable insights into the mechanisms of health transition in specific populations.
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Affiliation(s)
- Yuki Mizuno
- Department of Human Ecology, School of International Health, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Yohei Inaba
- Department of Environmental Health, National Institute of Public Health, Saitama, Japan
| | - Hiroaki Masuoka
- RIKEN Center for Integrative Medical Sciences, Yokohama, Japan
| | - Mihoko Kibe
- Department of Human Ecology, School of International Health, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Satoko Kosaka
- Department of Public Health and Nursing, Nagasaki University, Nagasaki, Japan
| | | | - Kazuhiro Hirayama
- Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
| | - Nouhak Inthavong
- Lao Tropical and Public Health Institute, Ministry of Health, Vientiane, Laos
| | | | - Shinsuke Tomita
- Graduate School of Environmental Studies, Nagoya University, Nagoya, Japan
| | - Masahiro Umezaki
- Department of Human Ecology, School of International Health, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
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Meng D, Zhu C, Jia R, Li Z, Wang W, Song S. The molecular mechanism of ferroptosis and its role in COPD. Front Med (Lausanne) 2023; 9:1052540. [PMID: 36687445 PMCID: PMC9852995 DOI: 10.3389/fmed.2022.1052540] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2022] [Accepted: 12/08/2022] [Indexed: 01/07/2023] Open
Abstract
Ferroptosis, a new type of cell death, is mainly characterized by intracellular iron accumulation and lipid peroxidation. The complex regulatory network of iron metabolism, lipid metabolism, amino acid metabolism, p53-related signaling, and Nrf2-related signaling factors is involved in the entire process of ferroptosis. It has been reported that ferroptosis is involved in the pathogenesis of neurological diseases, cancer, and ischemia-reperfusion injury. Recent studies found that ferroptosis is closely related to the pathogenesis of COPD, which, to some extent, indicates that ferroptosis is a potential therapeutic target for COPD. This article mainly discusses the related mechanisms of ferroptosis, including metabolic regulation and signaling pathway regulation, with special attention to its role in the pathogenesis of COPD, aiming to provide safe and effective therapeutic targets for chronic airway inflammatory diseases.
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Affiliation(s)
- Dandan Meng
- Department of Traditional Chinese Medicine, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Chengfeng Zhu
- Department of Traditional Chinese Medicine, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Ruixue Jia
- Department of Traditional Chinese Medicine, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Zongxin Li
- Department of Second Department of Haematology, Jinan Haematology Hospital, Jinan, China
| | - Wantao Wang
- Department of Basic Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China,*Correspondence: Wantao Wang ✉
| | - Suhua Song
- Department of Traditional Chinese Medicine, Shandong University of Traditional Chinese Medicine, Jinan, China,Suhua Song ✉
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Hou J, Huang C, Zhu B, Liu W, Zhu QQ, Wang L, Li T, Yuan CJ, Lai SY, Wu DS, Zhu FQ, Zhang JF, Huang J, Gao EW, Huang YD, Nie LL, Lu SY, Yang XF, Zhou L, Ye F, Yuan J, Liu JJ. Effect modification by aging on the associations of nicotine exposure with cognitive impairment among Chinese elderly. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:9530-9542. [PMID: 36057059 DOI: 10.1007/s11356-022-22392-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Accepted: 08/01/2022] [Indexed: 06/15/2023]
Abstract
Active and passive exposure to tobacco smoke may increase risk of cognitive decline. However, effects of enhanced the aging process on the association of urinary nicotine metabolites with cognitive impairment remain unclear. In this study, 6657 Chinese older adults completed the physical examinations and cognitive tests. We measured urinary nicotine metabolite levels, mitochondrial DNA copy number (mtDNA-CN), and relative telomere length (RTL) and analyzed effects of urinary nicotine metabolites and their interaction with mtDNA-CN or RTL on cognitive impairment by generalized linear models and qg-computation, respectively. Each 1-unit increase in urinary 3-OHCot, 3-OHCotGluc, CotGluc, or NicGluc levels corresponded to a 1.05-, 1.09-, 1.04-, and 0.90-fold increased risk of cognitive impairment. Each 1-quantile increment in the mixture level of 8 nicotine metabolites corresponded to an increment of 1.40- and 1.34-fold risk of cognitive impairment in individuals with longer RTL or low mtDNA-CN. Urinary 3-OHCotGluc and RTL or mtDNA-CN exhibited an additive effect on cognitive impairment in addition to the mixture of 8 nicotine metabolites and mtDNA-CN. The findings suggested that aging process may increase the risk of tobacco-related cognitive impairment.
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Affiliation(s)
- Jian Hou
- Key Laboratory of Environment & Health (Huazhong University of Science and Technology), Ministry of Education, State Environmental Protection Key Laboratory of Environment and Health (Wuhan) and State Key Laboratory of Environment Health (Incubation), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Hangkong Road 13, Wuhan, 430030, Hubei, China
- Shenzhen Key Laboratory of Modern Toxicology, Shenzhen Medical Key Discipline of Health Toxicology (2020-2024), Shenzhen Center for Disease Control and Prevention, Shenzhen, 518055, Guangdong, China
| | - Chao Huang
- Shenzhen Key Laboratory of Modern Toxicology, Shenzhen Medical Key Discipline of Health Toxicology (2020-2024), Shenzhen Center for Disease Control and Prevention, Shenzhen, 518055, Guangdong, China
| | - Bo Zhu
- Shenzhen Luohu District Center for Disease Control and Prevention, Shenzhen, 518020, Guangdong, China
| | - Wei Liu
- Shenzhen Key Laboratory of Modern Toxicology, Shenzhen Medical Key Discipline of Health Toxicology (2020-2024), Shenzhen Center for Disease Control and Prevention, Shenzhen, 518055, Guangdong, China
| | - Qing-Qing Zhu
- Key Laboratory of Environment & Health (Huazhong University of Science and Technology), Ministry of Education, State Environmental Protection Key Laboratory of Environment and Health (Wuhan) and State Key Laboratory of Environment Health (Incubation), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Hangkong Road 13, Wuhan, 430030, Hubei, China
- Shenzhen Key Laboratory of Modern Toxicology, Shenzhen Medical Key Discipline of Health Toxicology (2020-2024), Shenzhen Center for Disease Control and Prevention, Shenzhen, 518055, Guangdong, China
| | - Lu Wang
- Key Laboratory of Environment & Health (Huazhong University of Science and Technology), Ministry of Education, State Environmental Protection Key Laboratory of Environment and Health (Wuhan) and State Key Laboratory of Environment Health (Incubation), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Hangkong Road 13, Wuhan, 430030, Hubei, China
- Shenzhen Key Laboratory of Modern Toxicology, Shenzhen Medical Key Discipline of Health Toxicology (2020-2024), Shenzhen Center for Disease Control and Prevention, Shenzhen, 518055, Guangdong, China
| | - Tian Li
- Key Laboratory of Environment & Health (Huazhong University of Science and Technology), Ministry of Education, State Environmental Protection Key Laboratory of Environment and Health (Wuhan) and State Key Laboratory of Environment Health (Incubation), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Hangkong Road 13, Wuhan, 430030, Hubei, China
- Shenzhen Key Laboratory of Modern Toxicology, Shenzhen Medical Key Discipline of Health Toxicology (2020-2024), Shenzhen Center for Disease Control and Prevention, Shenzhen, 518055, Guangdong, China
| | - Chun-Jie Yuan
- Key Laboratory of Environment & Health (Huazhong University of Science and Technology), Ministry of Education, State Environmental Protection Key Laboratory of Environment and Health (Wuhan) and State Key Laboratory of Environment Health (Incubation), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Hangkong Road 13, Wuhan, 430030, Hubei, China
- Shenzhen Key Laboratory of Modern Toxicology, Shenzhen Medical Key Discipline of Health Toxicology (2020-2024), Shenzhen Center for Disease Control and Prevention, Shenzhen, 518055, Guangdong, China
| | - Shao-Yang Lai
- Shenzhen Luohu District Center for Disease Control and Prevention, Shenzhen, 518020, Guangdong, China
| | - De-Sheng Wu
- Shenzhen Key Laboratory of Modern Toxicology, Shenzhen Medical Key Discipline of Health Toxicology (2020-2024), Shenzhen Center for Disease Control and Prevention, Shenzhen, 518055, Guangdong, China
| | - Fei-Qi Zhu
- Cognitive Impairment Ward of Neurology Department, the Third Affiliated Hospital of Shenzhen University Medical College, Shenzhen, 518020, Guangdong, China
| | - Jia-Fei Zhang
- Key Laboratory of Environment & Health (Huazhong University of Science and Technology), Ministry of Education, State Environmental Protection Key Laboratory of Environment and Health (Wuhan) and State Key Laboratory of Environment Health (Incubation), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Hangkong Road 13, Wuhan, 430030, Hubei, China
- Shenzhen Key Laboratory of Modern Toxicology, Shenzhen Medical Key Discipline of Health Toxicology (2020-2024), Shenzhen Center for Disease Control and Prevention, Shenzhen, 518055, Guangdong, China
| | - Jia Huang
- Shenzhen Key Laboratory of Modern Toxicology, Shenzhen Medical Key Discipline of Health Toxicology (2020-2024), Shenzhen Center for Disease Control and Prevention, Shenzhen, 518055, Guangdong, China
| | - Er-Wei Gao
- Key Laboratory of Environment & Health (Huazhong University of Science and Technology), Ministry of Education, State Environmental Protection Key Laboratory of Environment and Health (Wuhan) and State Key Laboratory of Environment Health (Incubation), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Hangkong Road 13, Wuhan, 430030, Hubei, China
- Shenzhen Key Laboratory of Modern Toxicology, Shenzhen Medical Key Discipline of Health Toxicology (2020-2024), Shenzhen Center for Disease Control and Prevention, Shenzhen, 518055, Guangdong, China
| | - Yi-Dan Huang
- Key Laboratory of Environment & Health (Huazhong University of Science and Technology), Ministry of Education, State Environmental Protection Key Laboratory of Environment and Health (Wuhan) and State Key Laboratory of Environment Health (Incubation), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Hangkong Road 13, Wuhan, 430030, Hubei, China
- Shenzhen Key Laboratory of Modern Toxicology, Shenzhen Medical Key Discipline of Health Toxicology (2020-2024), Shenzhen Center for Disease Control and Prevention, Shenzhen, 518055, Guangdong, China
| | - Lu-Lin Nie
- Shenzhen Key Laboratory of Modern Toxicology, Shenzhen Medical Key Discipline of Health Toxicology (2020-2024), Shenzhen Center for Disease Control and Prevention, Shenzhen, 518055, Guangdong, China
| | - Shao-You Lu
- Shenzhen Key Laboratory of Modern Toxicology, Shenzhen Medical Key Discipline of Health Toxicology (2020-2024), Shenzhen Center for Disease Control and Prevention, Shenzhen, 518055, Guangdong, China
| | - Xi-Fei Yang
- Shenzhen Key Laboratory of Modern Toxicology, Shenzhen Medical Key Discipline of Health Toxicology (2020-2024), Shenzhen Center for Disease Control and Prevention, Shenzhen, 518055, Guangdong, China
| | - Li Zhou
- Shenzhen Key Laboratory of Modern Toxicology, Shenzhen Medical Key Discipline of Health Toxicology (2020-2024), Shenzhen Center for Disease Control and Prevention, Shenzhen, 518055, Guangdong, China
| | - Fang Ye
- Key Laboratory of Environment & Health (Huazhong University of Science and Technology), Ministry of Education, State Environmental Protection Key Laboratory of Environment and Health (Wuhan) and State Key Laboratory of Environment Health (Incubation), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Hangkong Road 13, Wuhan, 430030, Hubei, China
| | - Jing Yuan
- Key Laboratory of Environment & Health (Huazhong University of Science and Technology), Ministry of Education, State Environmental Protection Key Laboratory of Environment and Health (Wuhan) and State Key Laboratory of Environment Health (Incubation), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Hangkong Road 13, Wuhan, 430030, Hubei, China.
| | - Jian-Jun Liu
- Shenzhen Key Laboratory of Modern Toxicology, Shenzhen Medical Key Discipline of Health Toxicology (2020-2024), Shenzhen Center for Disease Control and Prevention, Shenzhen, 518055, Guangdong, China.
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Iakovou E, Kourti M. A Comprehensive Overview of the Complex Role of Oxidative Stress in Aging, The Contributing Environmental Stressors and Emerging Antioxidant Therapeutic Interventions. Front Aging Neurosci 2022; 14:827900. [PMID: 35769600 PMCID: PMC9234325 DOI: 10.3389/fnagi.2022.827900] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Accepted: 05/10/2022] [Indexed: 12/15/2022] Open
Abstract
Introduction Aging is a normal, inevitable, irreversible, and progressive process which is driven by internal and external factors. Oxidative stress, that is the imbalance between prooxidant and antioxidant molecules favoring the first, plays a key role in the pathophysiology of aging and comprises one of the molecular mechanisms underlying age-related diseases. However, the oxidative stress theory of aging has not been successfully proven in all animal models studying lifespan, meaning that altering oxidative stress/antioxidant defense systems did not always lead to a prolonged lifespan, as expected. On the other hand, animal models of age-related pathological phenotypes showed a well-correlated relationship with the levels of prooxidant molecules. Therefore, it seems that oxidative stress plays a more complicated role than the one once believed and this role might be affected by the environment of each organism. Environmental factors such as UV radiation, air pollution, and an unbalanced diet, have also been implicated in the pathophysiology of aging and seem to initiate this process more rapidly and even at younger ages. Aim The purpose of this review is to elucidate the role of oxidative stress in the physiology of aging and the effect of certain environmental factors in initiating and sustaining this process. Understanding the pathophysiology of aging will contribute to the development of strategies to postpone this phenomenon. In addition, recent studies investigating ways to alter the antioxidant defense mechanisms in order to prevent aging will be presented. Conclusions Careful exposure to harmful environmental factors and the use of antioxidant supplements could potentially affect the biological processes driving aging and slow down the development of age-related diseases. Maybe a prolonged lifespan could not be achieved by this strategy alone, but a longer healthspan could also be a favorable target.
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Affiliation(s)
- Evripides Iakovou
- Department of Life Sciences, European University Cyprus, Nicosia, Cyprus
| | - Malamati Kourti
- Department of Life Sciences, European University Cyprus, Nicosia, Cyprus
- Angiogenesis and Cancer Drug Discovery Group, Basic and Translational Cancer Research Center, Department of Life Sciences, European University Cyprus, Nicosia, Cyprus
- *Correspondence: Malamati Kourti
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Salem AA, Trares K, Kohl M, Jansen E, Brenner H, Schöttker B. Long-term effects of smoking on serum concentrations of oxidative stress biomarkers: Results of a large, population-based cohort study. ENVIRONMENTAL RESEARCH 2022; 204:111923. [PMID: 34428452 DOI: 10.1016/j.envres.2021.111923] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Revised: 08/18/2021] [Accepted: 08/19/2021] [Indexed: 06/13/2023]
Abstract
INTRODUCTION Cross-sectional studies have consistently shown an association between current smoking and oxidative stress biomarkers. However, no longitudinal studies have been performed so far. METHODS The oxidative stress biomarkers "total thiol groups of serum proteins" (TTP), and "derivatives of reactive oxygen metabolites" (D-ROM) were measured in serum samples of 3835 participants of a population-based, German cohort study of older adults (age: 60-84 years) with repeated measurements for 2834 participants three years later. Multivariable linear regression models were applied and β-coefficients with 95% confidence intervals were obtained. RESULTS In both cross-sectional and longitudinal analysis, current smoking was statistically significantly associated with increased D-ROM levels, and a dose-response relationship between the amount of daily tobacco consumption and the D-ROM concentrations was observed that plateaued at ≥15 g of tobacco consumption per day. Former smoking was also associated with D-ROM levels. Only former smokers who quitted smoking more than 10 years ago had no increased D-ROM levels compared to never smokers. There was neither a cross-sectional nor longitudinal association between any of the smoking variables and TTP levels. CONCLUSION This large population-based cohort of older German adults suggests that smoking has long-term effects on the oxidative stress burden. The further increasing D-ROM levels of current smokers at an older age and the observation that it may take more than 10 years until the redox balance is restored are solid arguments for quitting smoking as soon as possible at any age.
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Affiliation(s)
- Ahmed Abdelraouf Salem
- Division of Clinical Epidemiology and Aging Research, German Cancer Research Center (DKFZ), Heidelberg, Germany; Department of Medical and Life Science, Furtwangen University, Germany
| | - Kira Trares
- Division of Clinical Epidemiology and Aging Research, German Cancer Research Center (DKFZ), Heidelberg, Germany; Network Aging Research, Heidelberg University, Germany
| | - Matthias Kohl
- Department of Medical and Life Science, Furtwangen University, Germany
| | - Eugène Jansen
- Centre for Health Protection, National Institute of Public Health and the Environment, Bilthoven, the Netherlands
| | - Hermann Brenner
- Division of Clinical Epidemiology and Aging Research, German Cancer Research Center (DKFZ), Heidelberg, Germany; Network Aging Research, Heidelberg University, Germany; Division of Preventive Oncology, German Cancer Research Center (DKFZ) and National Center for Tumor Diseases (NCT), Heidelberg, Germany; German Cancer Consortium (DKTK), German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Ben Schöttker
- Division of Clinical Epidemiology and Aging Research, German Cancer Research Center (DKFZ), Heidelberg, Germany; Network Aging Research, Heidelberg University, Germany.
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Song J, Pan C, Li F, Guo Y, Pei P, Tian X, Wang S, Gao R, Pang Z, Chen Z, Li L. Association between dairy consumption and ischemic heart disease among Chinese adults: a prospective study in Qingdao. Nutr Metab (Lond) 2022; 19:11. [PMID: 35183210 PMCID: PMC8858533 DOI: 10.1186/s12986-022-00645-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2021] [Accepted: 02/06/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Previous studies linking dairy consumption with ischemic heart disease (IHD) are almost from western countries, with little from China. The present study was to explore the relationship between dairy consumption and IHD among Chinese adults. METHODS The data for the present study was from the prospective cohort study of China Kadoorie Biobank in Qingdao, a total of 33,355 participants in the present study. An interviewer-administered laptop-based questionnaire was used to collect information on the consumption frequency of dairy, incident IHD cases were identified through Disease Surveillance Point System and the new national health insurance databases. Cox regression analyses were performed to estimate adjusted hazard ratios (HRs) and confidence interval for the relationship between the incidence of IHD and dairy consumption. RESULTS The baseline survey reported that 32.4% of males and 34.6% of females consumed dairy regularly (i.e. ≥ 4 days/week). Over an average of 9.2 years follow-up, 2712 new-onset IHD were documented. Compared with participants who never or rarely consume dairy, the HR of consumed dairy regularly was 0.85(0.73-0.98) for males (P < 0.05), while no significant benefits were identified for females. CONCLUSIONS Regular dairy consumption had an inverse association to the onset of IHD among males, with no similar findings for females.
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Affiliation(s)
- Jiahui Song
- Department of Nutrition and Food Hygiene, School of Public Health, Qingdao University, Qingdao, 266071, China
| | - Chi Pan
- Department of Nutrition and Food Hygiene, School of Public Health, Qingdao University, Qingdao, 266071, China
| | - Feifei Li
- Qingdao Municipality Center for Disease Control and Prevention, Qingdao, 266033, China.,Qingdao Institute of Preventive Medicine, Qingdao, 266033, China
| | - Yu Guo
- Chinese Academy of Medical Sciences, Beijing, 100730, China
| | - Pei Pei
- Chinese Academy of Medical Sciences, Beijing, 100730, China
| | - Xiaocao Tian
- Qingdao Municipality Center for Disease Control and Prevention, Qingdao, 266033, China. .,Qingdao Institute of Preventive Medicine, Qingdao, 266033, China.
| | - Shaojie Wang
- Qingdao Municipality Center for Disease Control and Prevention, Qingdao, 266033, China.,Qingdao Institute of Preventive Medicine, Qingdao, 266033, China
| | - Ruqin Gao
- Qingdao Municipality Center for Disease Control and Prevention, Qingdao, 266033, China. .,Qingdao Institute of Preventive Medicine, Qingdao, 266033, China.
| | - Zengchang Pang
- Qingdao Municipality Center for Disease Control and Prevention, Qingdao, 266033, China.,Qingdao Institute of Preventive Medicine, Qingdao, 266033, China
| | - Zhengming Chen
- Clinical Trial Service Unit and Epidemiological Studies Unit (CTSU), Nuffield Department of Population Health, University of Oxford, Oxford, UK
| | - Liming Li
- Department of Epidemiology and Biostatistics, School of Public Health, Peking University Health Science Center, Beijing, 100191, China
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Hu W, Wang Y, Wang T, Ji Q, Jia Q, Meng T, Ma S, Zhang Z, Li Y, Chen R, Dai Y, Luan Y, Sun Z, Leng S, Duan H, Zheng Y. Ambient particulate matter compositions and increased oxidative stress: Exposure-response analysis among high-level exposed population. ENVIRONMENT INTERNATIONAL 2021; 147:106341. [PMID: 33383389 DOI: 10.1016/j.envint.2020.106341] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/29/2020] [Revised: 12/04/2020] [Accepted: 12/14/2020] [Indexed: 06/12/2023]
Abstract
BACKGROUND Oxidative stress has been suggested to be one of the key drivers of health impact of particulate matter (PM). More studies on the oxidative potential of PM alone, but fewer studies have comprehensively evaluated the effects of external and internal exposure to PM compositions on oxidative stress in population. OBJECTIVE To comprehensively investigate the exposure-response relationship between PM and its main compositions with oxidative stress indicators. METHODS We conducted a cross-sectional study including 768 participants exposed to particulates. Environmental levels of fine particulate matter (PM2.5), polycyclic aromatic hydrocarbons (PAHs) and metals in PM were measured, and urinary levels of PAHs metabolites and metals were measured as internal dose, respectively. Multivariable linear regression models were used to analyze the correlations of PM exposure and urinary levels of 8-hydroxy-2́'-deoxyguanosine (8-OHdG), and 8-iso-prostaglandin-F2α (8-iso-PGF2α) and malondialdehyde (MDA). RESULTS The concentration of both PM2.5 and total PAHs was significantly correlated with increased urinary 8-OHdG, 8-iso-PGF2α and MDA levels (all p < 0.05). The levels of 4 essential metals all showed significant exposure-response increase in urinary 8-OHdG in both current and non-current smokers (all p < 0.05); ambient selenium, cobalt and zinc were found to be significantly correlated with urinary 8-iso-PGF2α (p = 0.002, 0.003, 0.01, respectively); only selenium and cobalt were significantly correlated with urinary MDA (p < 0.001, 0.01, respectively). Furthermore, we found each one-unit increase in urinary total OH-PAHs generated a 0.32 increase in urinary 8-OHdG, a 0.22 increase in urinary 8-iso-PGF2α and a 0.19 increase in urinary MDA (all p < 0.001). Furthermore, it was found that the level of 12 urinary metals all showed significant and positive correlations with three oxidative stress biomarkers in all subjects (all p < 0.001). CONCLUSIONS Our systematic molecular epidemiological study showed that particulate matter components could induce increased oxidative stress on DNA and lipid. It may be more important to monitor and control the harmful compositions in PM rather than overall particulate mass.
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Affiliation(s)
- Wei Hu
- School of Public Health, Qingdao University, Qingdao, China
| | - Yanhua Wang
- Key Laboratory of Chemical Safety and Health, National Institute for Occupational Health and Poison Control, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Ting Wang
- Key Laboratory of Chemical Safety and Health, National Institute for Occupational Health and Poison Control, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Qianpeng Ji
- Key Laboratory of Chemical Safety and Health, National Institute for Occupational Health and Poison Control, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Qiang Jia
- Shandong Academy of Occupational Health and Occupational Medicine, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, Shangdong, China
| | - Tao Meng
- School of Medicine, Shanxi Datong University, Datong, China
| | - Sai Ma
- International Travel health Care Center, Qingdao Customs, Qingdao, China
| | - Zhihu Zhang
- Shandong Academy of Occupational Health and Occupational Medicine, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, Shangdong, China
| | - Yanbo Li
- School of Public Health, Capital Medical University, Beijing, China
| | - Rui Chen
- School of Public Health, Capital Medical University, Beijing, China
| | - Yufei Dai
- Key Laboratory of Chemical Safety and Health, National Institute for Occupational Health and Poison Control, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Yang Luan
- School of Public Health, Hongqiao International Institute of Medicine, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Zhiwei Sun
- School of Public Health, Capital Medical University, Beijing, China
| | - Shuguang Leng
- School of Public Health, Qingdao University, Qingdao, China
| | - Huawei Duan
- Key Laboratory of Chemical Safety and Health, National Institute for Occupational Health and Poison Control, Chinese Center for Disease Control and Prevention, Beijing, China.
| | - Yuxin Zheng
- School of Public Health, Qingdao University, Qingdao, China.
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10
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Doherty Lyons S, Blum JL, Hoffman-Budde C, Tijerina PB, Fiel MI, Conklin DJ, Gany F, Odin JA, Zelikoff JT. Prenatal Exposure to Gutkha, a Globally Relevant Smokeless Tobacco Product, Induces Hepatic Changes in Adult Mice. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2020; 17:ijerph17217895. [PMID: 33126512 PMCID: PMC7662769 DOI: 10.3390/ijerph17217895] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/25/2020] [Revised: 10/07/2020] [Accepted: 10/15/2020] [Indexed: 12/16/2022]
Abstract
Maternal exposures during pregnancy affect the onset and progression of adult diseases in the offspring. A prior mouse study indicated that maternal tobacco smoke exposure affects hepatic fibrosis in adult offspring. Gutkha, a broadly used smokeless tobacco (ST) product, is widely used by pregnant woman in many countries. The objective of this murine study was to evaluate whether oral maternal exposure to gutkha during pregnancy alters non-alcoholic fatty liver disease (NAFLD) in adult offspring: risk factors for the progression of NAFLD to cirrhosis in adults remain elusive. Buccal cavity 'painting' of pregnant mice with gutkha began on gestational days (GD) 2-4 and continued until parturition. Beginning at 12 weeks of age, a subset of offspring were transitioned to a high-fat diet (HFD). Results demonstrated that prenatal exposure to gutkha followed by an HFD in adulthood significantly increased the histologic evidence of fatty liver disease only in adult male offspring. Changes in hepatic fibrosis-related cytokines (interleukin (IL)-1b and IL-6) and in hepatic collagen mRNA expression were observed when comparing adult male offspring exposed to gutkha in utero to those not exposed. These findings indicate that maternal use of gutkha during pregnancy affects NAFLD in adult offspring in a sex-dependent manner.
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Affiliation(s)
- Shannon Doherty Lyons
- Department of Environmental Medicine, New York University School of Medicine, New York, NY 10010, USA; (S.D.L.); (J.L.B.); (C.H.-B.); (P.B.T.)
| | - Jason L. Blum
- Department of Environmental Medicine, New York University School of Medicine, New York, NY 10010, USA; (S.D.L.); (J.L.B.); (C.H.-B.); (P.B.T.)
- Product Safety Labs, Dayton, NJ 08810, USA
| | - Carol Hoffman-Budde
- Department of Environmental Medicine, New York University School of Medicine, New York, NY 10010, USA; (S.D.L.); (J.L.B.); (C.H.-B.); (P.B.T.)
| | - Pamela B. Tijerina
- Department of Environmental Medicine, New York University School of Medicine, New York, NY 10010, USA; (S.D.L.); (J.L.B.); (C.H.-B.); (P.B.T.)
| | - M. Isabel Fiel
- Department of Pathology, Molecular and Cell-Based Medicine, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA;
| | - Daniel J. Conklin
- American Heart Association-Tobacco Regulation and Addiction Center, University of Louisville, Kentucky, KY 40202, USA;
| | - Francesca Gany
- Department of Psychiatry and Behavioral Sciences, Memorial Sloan-Kettering Cancer Center, New York, NY 10065, USA;
| | - Joseph A. Odin
- Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
- Correspondence: (J.A.O.); (J.T.Z.)
| | - Judith T. Zelikoff
- Department of Environmental Medicine, New York University School of Medicine, New York, NY 10010, USA; (S.D.L.); (J.L.B.); (C.H.-B.); (P.B.T.)
- Correspondence: (J.A.O.); (J.T.Z.)
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11
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Gao X, Colicino E, Shen J, Just AC, Nwanaji-Enwerem JC, Wang C, Coull B, Lin X, Vokonas P, Zheng Y, Hou L, Schwartz J, Baccarelli AA. Comparative validation of an epigenetic mortality risk score with three aging biomarkers for predicting mortality risks among older adult males. Int J Epidemiol 2020; 48:1958-1971. [PMID: 31038702 DOI: 10.1093/ije/dyz082] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/05/2019] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND A 'mortality risk score' (MS) based on ten prominent mortality-related cytosine-phosphate-guanine (CpG) sites was previously associated with all-cause mortality, but has not been verified externally. We aimed to validate the association of MS with mortality and to compare MS with three aging biomarkers: telomere length (TL), DNA methylation age (DNAmAge) and phenotypic age (DNAmPhenoAge) to explore whether MS can serve as a reliable measure of biological aging and mortality. METHODS Among 534 males aged 55-85 years from the US Normative Aging Study, the MS, DNAmAge and DNAmPhenoAge were derived from blood DNA methylation profiles from the Illumina HumanMethylation450 BeadChip, and TL was measured by quantitative real-time polymerase chain reaction (qRT-PCR). RESULTS A total of 147 participants died during a median follow-up of 9.4 years. The MS showed strong associations with all-cause, cardiovascular disease (CVD) and cancer mortality. After controlling for all potential covariates, participants with high MS (>5 CpG sites with aberrant methylation) had almost 4-fold all-cause mortality (hazard ratio: 3.84, 95% confidence interval: 1.92-7.67) compared with participants with a low MS (0-1 CpG site with aberrant methylation). Similar patterns were observed with respect to CVD and cancer mortality. MS was associated with TL and DNAmPhenoAge acceleration but not with DNAmAge acceleration. Although the MS and DNAmPhenoAge acceleration were independently associated with all-cause mortality, the former exhibited a higher predictive accuracy of mortality than the latter. CONCLUSIONS MS has the potential to be a prominent predictor of mortality that could enhance survival prediction in clinical settings.
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Affiliation(s)
- Xu Gao
- Laboratory of Precision Environmental Health, Mailman School of Public Health, Columbia University, New York, NY, USA
| | - Elena Colicino
- Department of Environmental Medicine and Public Health, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Jincheng Shen
- Department of Population Health Sciences, University of Utah, School of Medicine, Salt Lake City, UT, USA
| | - Allan C Just
- Department of Environmental Medicine and Public Health, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | | | - Cuicui Wang
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Brent Coull
- Department of Biostatistics, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Xihong Lin
- Department of Biostatistics, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Pantel Vokonas
- Veterans Affairs Normative Aging Study, Veterans Affairs Boston Healthcare System, Department of Medicine, Boston University School of Medicine, Boston, MA, USA
| | - Yinan Zheng
- Department of Preventive Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Lifang Hou
- Department of Preventive Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Joel Schwartz
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Andrea A Baccarelli
- Laboratory of Precision Environmental Health, Mailman School of Public Health, Columbia University, New York, NY, USA
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12
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Anusruti A, Xuan Y, Gào X, Jansen EHJM, Laetsch DC, Brenner H, Schöttker B. Factors associated with high oxidative stress in patients with type 2 diabetes: a meta-analysis of two cohort studies. BMJ Open Diabetes Res Care 2020; 8:8/1/e000933. [PMID: 32079612 PMCID: PMC7039603 DOI: 10.1136/bmjdrc-2019-000933] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/26/2019] [Revised: 12/10/2019] [Accepted: 01/15/2020] [Indexed: 12/18/2022] Open
Abstract
OBJECTIVE Our objective is to identify the potential factors associated with serum Diacron's reactive oxygen metabolites test (D-ROM) levels of patients with type 2 diabetes mellitus (T2DM) by conducting cross-sectional and longitudinal analyses in two large cohorts and further strengthening these results by performing a meta-analysis. METHODS Serum D-ROM concentrations were measured in 1045 and 1101 patients with T2DM from two independent cohort studies from Germany at baseline and repeatedly 3-4 years later. The cross-sectional and longitudinal associations of various potential determinants with D-ROM levels were assessed with a backwards selection algorithm in multivariable adjusted models. RESULTS In the meta-analysis of the cross-sectional analysis, female sex, low education, obesity, smoking, high total cholesterol, hemoglobin A1c ≥7%, no diabetes medication, a history of myocardial infarction, heart failure, a history of cancer and C reactive protein levels (CRP) >3 mg/L were statistically significantly associated with increased D-ROM levels in patients with T2DM. The meta-analysis of the longitudinal analysis revealed that old age, female sex, obesity, smoking, physical inactivity, high alcohol consumption, ≥5 years since diabetes diagnosis and CRP levels between 3 mg/L and 10 mg/L were statistically significantly associated with D-ROM levels measured 3-4 years later. CONCLUSIONS VALIDITY, LIMITATIONS AND CLINICAL APPLICABILITY This comprehensive analysis confirmed that several modifiable risk factors are being associated with oxidative stress in patients with T2DM within an observational study design. We discuss potential prevention measures against these risk factors that might help to reduce oxidative stress and to prevent some cases of premature mortality in patients with T2DM.
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Affiliation(s)
- Ankita Anusruti
- Division of Clinical Epidemiology and Ageing Research, German Cancer Research Center, Heidelberg, Germany
- Network Aging Research, University of Heidelberg, Heidelberg, Germany
| | - Yang Xuan
- Division of Clinical Epidemiology and Ageing Research, German Cancer Research Center, Heidelberg, Germany
- Network Aging Research, University of Heidelberg, Heidelberg, Germany
| | - Xīn Gào
- Division of Clinical Epidemiology and Ageing Research, German Cancer Research Center, Heidelberg, Germany
| | - Eugène H J M Jansen
- Centre for Health Protection, National Institute of Public Health and the Environment, Bilthoven, The Netherlands
| | - Dana Clarissa Laetsch
- Division of Clinical Epidemiology and Ageing Research, German Cancer Research Center, Heidelberg, Germany
| | - Hermann Brenner
- Division of Clinical Epidemiology and Ageing Research, German Cancer Research Center, Heidelberg, Germany
- Network Aging Research, University of Heidelberg, Heidelberg, Germany
| | - Ben Schöttker
- Division of Clinical Epidemiology and Ageing Research, German Cancer Research Center, Heidelberg, Germany
- Network Aging Research, University of Heidelberg, Heidelberg, Germany
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13
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Yuan JM, Grouls M, Carmella SG, Wang R, Heskin A, Jiang Y, Tan YT, Adams-Haduch J, Gao YT, Hecht SS. Prediagnostic levels of urinary 8-epi-prostaglandin F2α and prostaglandin E2 metabolite, biomarkers of oxidative damage and inflammation, and risk of hepatocellular carcinoma. Carcinogenesis 2019; 40:989-997. [PMID: 30615102 PMCID: PMC7967701 DOI: 10.1093/carcin/bgy180] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2018] [Revised: 11/30/2018] [Accepted: 12/24/2018] [Indexed: 12/24/2022] Open
Abstract
Chronic inflammation and oxidative stress play pivotal roles in the pathogenesis of hepatocellular carcinoma (HCC). We conducted a nested case-control study of 347 HCC cases and 691 matched controls within a prospective cohort of 18 244 Chinese men in Shanghai, China. The concentrations of 8-epi-prostaglandin F2α (8-epi-PGF2α), a biomarker of oxidative stress, and prostaglandin E2 (PGE2) metabolite (PGE-M), a biomarker of the inflammation mediator PGE2, were determined in baseline urine samples using validated mass spectrometry assays. 8-epi-PGF2α levels were significantly higher in HCC cases than control subjects (geometric means 0.92 versus 0.80 pmol/mg creatinine, P < 0.001). The relative risks of developing HCC for the highest relative to the lowest quartile of 8-epi-PGF2α were 2.55 (95% confidence interval = 1.62-4.01, Ptrend < 0.001). This positive 8-epi-PGF2α-HCC risk association was independent of smoking status, alcohol consumption and hepatitis B or liver cirrhosis and was present 10 years before the clinical manifestation of HCC. This study did not find any significant association between urinary PEG-M and HCC risk. This study provides direct evidence in support of the critical role of oxidative stress in the development of HCC regardless of its underlying causes.
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Affiliation(s)
- Jian-Min Yuan
- Division of Cancer Control and Population Sciences, UPMC Hillman Cancer Center, UPMC Cancer Pavilion, Pittsburgh, PA, USA
- Department of Epidemiology, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, PA, USA
| | - Menno Grouls
- Masonic Cancer Center, University of Minnesota, Minneapolis, MN, USA
| | - Steven G Carmella
- Masonic Cancer Center, University of Minnesota, Minneapolis, MN, USA
| | - Renwei Wang
- Division of Cancer Control and Population Sciences, UPMC Hillman Cancer Center, UPMC Cancer Pavilion, Pittsburgh, PA, USA
| | - Alisa Heskin
- Masonic Cancer Center, University of Minnesota, Minneapolis, MN, USA
| | - Yang Jiang
- Masonic Cancer Center, University of Minnesota, Minneapolis, MN, USA
| | - Yu-Ting Tan
- Department of Epidemiology, Shanghai Cancer Institute, Renji Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Jennifer Adams-Haduch
- Division of Cancer Control and Population Sciences, UPMC Hillman Cancer Center, UPMC Cancer Pavilion, Pittsburgh, PA, USA
| | - Yu-Tang Gao
- Department of Epidemiology, Shanghai Cancer Institute, Renji Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Stephen S Hecht
- Masonic Cancer Center, University of Minnesota, Minneapolis, MN, USA
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14
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Fragou D, Pakkidi E, Aschner M, Samanidou V, Kovatsi L. Smoking and DNA methylation: Correlation of methylation with smoking behavior and association with diseases and fetus development following prenatal exposure. Food Chem Toxicol 2019; 129:312-327. [PMID: 31063835 DOI: 10.1016/j.fct.2019.04.059] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2018] [Revised: 04/29/2019] [Accepted: 04/30/2019] [Indexed: 12/13/2022]
Abstract
Among epigenetic mechanisms, DNA methylation has been widely studied with respect to many environmental factors. Smoking is a common factor which affects both global and gene-specific DNA methylation. It is supported that smoking directly affects DNA methylation, and these effects contribute to the development and progression of various diseases, such as cancer, lung and cardiovascular diseases and male infertility. In addition, prenatal smoking influences the normal development of the fetus via DNA methylation changes. The DNA methylation profile and its smoking-induced alterations helps to distinguish current from former smokers and non-smokers and can be used to predict the risk for the development of a disease. This review summarizes the DNA methylation changes induced by smoking, their correlation with smoking behavior and their association with various diseases and fetus development.
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Affiliation(s)
- Domniki Fragou
- Laboratory of Forensic Medicine and Toxicology, School of Medicine, Aristotle University of Thessaloniki, Greece
| | - Eleni Pakkidi
- Laboratory of Analytical Chemistry, Department of Chemistry, Aristotle University of Thessaloniki, Greece
| | - Michael Aschner
- Departments of Molecular Pharmacology, Neuroscience, and Pediatrics, Albert Einstein College of Medicine, Bronx, NY, USA
| | - Victoria Samanidou
- Laboratory of Analytical Chemistry, Department of Chemistry, Aristotle University of Thessaloniki, Greece
| | - Leda Kovatsi
- Laboratory of Forensic Medicine and Toxicology, School of Medicine, Aristotle University of Thessaloniki, Greece.
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15
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Gao X, Gào X, Zhang Y, Holleczek B, Schöttker B, Brenner H. Oxidative stress and epigenetic mortality risk score: associations with all-cause mortality among elderly people. Eur J Epidemiol 2019; 34:451-462. [PMID: 30771035 DOI: 10.1007/s10654-019-00493-7] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2018] [Accepted: 02/07/2019] [Indexed: 12/21/2022]
Abstract
Oxidative stress (OS) has been found to be related to accelerated aging and many aging-related health outcomes. Recently, an epigenetic "mortality risk score" (MS) based on whole blood DNA methylation at 10 mortality-related CpG sites has been demonstrated to be associated with all-cause mortality. This study aimed to address the association between OS and MS, and to assess and compare their performance in the prediction of all-cause mortality. For 1448 participants aged 50-75 of the German ESTHER cohort study, the MS was derived from the DNA methylation profiles measured by Illumina HumanMethylation450K Beadchip and the levels of two urinary OS markers, 8-isoprostane (8-iso) and oxidized guanine/guanosine [including 8-hydroxy-2'-deoxyguanosine (8-oxo)], were measured by ELISA kits. Associations between OS markers and the MS were evaluated by linear and ordinal logistic regression models, and their associations with all-cause mortality were examined by Cox regression models. Both OS markers were associated with the MS at baseline. The 8-iso levels and MS, but not 8-oxo levels, were associated with all-cause mortality during a median follow-up of 15.1 years. Fully-adjusted hazard ratios (95% CI) were 1.56 (1.13-2.16) for the 4th quartile of 8-iso levels compared with the 1st, 1.71 (1.27-2.29) and 2.92 (2.03-4.18) for the moderate and high MS defined by 2-5 and > 5 CpG sites with aberrant methylation compared with a MS of 0-1, respectively. After controlling for 8-iso levels, the hazard ratios of MS remained essentially unchanged while the association of 8-iso levels with mortality was attenuated. This study demonstrates that OS is highly associated with the epigenetic MS, and the latter at the same time has a higher predictive value for all-cause mortality.
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Affiliation(s)
- Xu Gao
- Division of Clinical Epidemiology and Aging Research, German Cancer Research Center (DKFZ), Im Neuenheimer Feld 581, 69120, Heidelberg, Germany.,Medical Faculty Heidelberg, University of Heidelberg, Im Neuenheimer Feld 672, 69120, Heidelberg, Germany.,Department of Environmental Health Sciences, Mailman School of Public Health, Columbia University, New York, NY, USA
| | - Xīn Gào
- Division of Clinical Epidemiology and Aging Research, German Cancer Research Center (DKFZ), Im Neuenheimer Feld 581, 69120, Heidelberg, Germany.,Medical Faculty Heidelberg, University of Heidelberg, Im Neuenheimer Feld 672, 69120, Heidelberg, Germany.,Network Aging Research, University of Heidelberg, Bergheimer Straße 20, 69115, Heidelberg, Germany
| | - Yan Zhang
- Division of Clinical Epidemiology and Aging Research, German Cancer Research Center (DKFZ), Im Neuenheimer Feld 581, 69120, Heidelberg, Germany
| | - Bernd Holleczek
- Saarland Cancer Registry, Präsident Baltz Strasse 5, 66119, Saarbrücken, Germany
| | - Ben Schöttker
- Division of Clinical Epidemiology and Aging Research, German Cancer Research Center (DKFZ), Im Neuenheimer Feld 581, 69120, Heidelberg, Germany.,Network Aging Research, University of Heidelberg, Bergheimer Straße 20, 69115, Heidelberg, Germany
| | - Hermann Brenner
- Division of Clinical Epidemiology and Aging Research, German Cancer Research Center (DKFZ), Im Neuenheimer Feld 581, 69120, Heidelberg, Germany. .,Network Aging Research, University of Heidelberg, Bergheimer Straße 20, 69115, Heidelberg, Germany. .,Division of Preventive Oncology, German Cancer Research Center (DKFZ) and National Center for Tumor Diseases (NCT), Im Neuenheimer Feld 460, 69120, Heidelberg, Germany. .,German Cancer Consortium (DKTK), German Cancer Research Center (DKFZ), Im Neuenheimer Feld 280, 69120, Heidelberg, Germany.
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16
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Gào X, Wilsgaard T, Jansen EHJM, Holleczek B, Zhang Y, Xuan Y, Anusruti A, Brenner H, Schöttker B. Pre‐diagnostic derivatives of reactive oxygen metabolites and the occurrence of lung, colorectal, breast and prostate cancer: An individual participant data meta‐analysis of two large population‐based studies. Int J Cancer 2019; 145:49-57. [DOI: 10.1002/ijc.32073] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2018] [Revised: 11/21/2018] [Accepted: 11/30/2018] [Indexed: 01/04/2023]
Affiliation(s)
- Xīn Gào
- Division of Clinical Epidemiology and Aging ResearchGerman Cancer Research Center Heidelberg Germany
- Network Aging ResearchHeidelberg University Heidelberg Germany
| | - Tom Wilsgaard
- Department of Community MedicineUniversity of Tromsø – The Arctic University of Norway Tromsø Norway
| | - Eugène HJM Jansen
- Centre for Health ProtectionNational Institute of Public Health and the Environment Bilthoven The Netherlands
| | | | - Yan Zhang
- Division of Clinical Epidemiology and Aging ResearchGerman Cancer Research Center Heidelberg Germany
- German Cancer Consortium (DKTK), German Cancer Research Center (DKFZ) Heidelberg Germany
| | - Yang Xuan
- Division of Clinical Epidemiology and Aging ResearchGerman Cancer Research Center Heidelberg Germany
- Network Aging ResearchHeidelberg University Heidelberg Germany
| | - Ankita Anusruti
- Division of Clinical Epidemiology and Aging ResearchGerman Cancer Research Center Heidelberg Germany
- Network Aging ResearchHeidelberg University Heidelberg Germany
| | - Hermann Brenner
- Division of Clinical Epidemiology and Aging ResearchGerman Cancer Research Center Heidelberg Germany
- Network Aging ResearchHeidelberg University Heidelberg Germany
- German Cancer Consortium (DKTK), German Cancer Research Center (DKFZ) Heidelberg Germany
- German Cancer Research Center (DKFZ) and National Center for Tumor Diseases (NCT)Division of Preventive Oncology Heidelberg Germany
| | - Ben Schöttker
- Division of Clinical Epidemiology and Aging ResearchGerman Cancer Research Center Heidelberg Germany
- Network Aging ResearchHeidelberg University Heidelberg Germany
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17
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Zhang X, Hu Y, Aouizerat BE, Peng G, Marconi VC, Corley MJ, Hulgan T, Bryant KJ, Zhao H, Krystal JH, Justice AC, Xu K. Machine learning selected smoking-associated DNA methylation signatures that predict HIV prognosis and mortality. Clin Epigenetics 2018; 10:155. [PMID: 30545403 PMCID: PMC6293604 DOI: 10.1186/s13148-018-0591-z] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2018] [Accepted: 11/26/2018] [Indexed: 12/20/2022] Open
Abstract
Background The effects of tobacco smoking on epigenome-wide methylation signatures in white blood cells (WBCs) collected from persons living with HIV may have important implications for their immune-related outcomes, including frailty and mortality. The application of a machine learning approach to the analysis of CpG methylation in the epigenome enables the selection of phenotypically relevant features from high-dimensional data. Using this approach, we now report that a set of smoking-associated DNA-methylated CpGs predicts HIV prognosis and mortality in an HIV-positive veteran population. Results We first identified 137 epigenome-wide significant CpGs for smoking in WBCs from 1137 HIV-positive individuals (p < 1.70E−07). To examine whether smoking-associated CpGs were predictive of HIV frailty and mortality, we applied ensemble-based machine learning to build a model in a training sample employing 408,583 CpGs. A set of 698 CpGs was selected and predictive of high HIV frailty in a testing sample [(area under curve (AUC) = 0.73, 95%CI 0.63~0.83)] and was replicated in an independent sample [(AUC = 0.78, 95%CI 0.73~0.83)]. We further found an association of a DNA methylation index constructed from the 698 CpGs that were associated with a 5-year survival rate [HR = 1.46; 95%CI 1.06~2.02, p = 0.02]. Interestingly, the 698 CpGs located on 445 genes were enriched on the integrin signaling pathway (p = 9.55E−05, false discovery rate = 0.036), which is responsible for the regulation of the cell cycle, differentiation, and adhesion. Conclusion We demonstrated that smoking-associated DNA methylation features in white blood cells predict HIV infection-related clinical outcomes in a population living with HIV. Electronic supplementary material The online version of this article (10.1186/s13148-018-0591-z) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Xinyu Zhang
- Department of Psychiatry, Yale School of Medicine, 300 George Street, 950 Campbell Ave, West Haven, New Haven, CT, 06511, USA.,VA Connecticut Healthcare System, 950 Campbell Ave, West Haven, CT, 06516, USA
| | - Ying Hu
- Center for Biomedical Bioinformatics, National Cancer Institute, Rockville, MD, 20852, USA
| | - Bradley E Aouizerat
- Bluestone Center for Clinical Research, New York University, New York, NY, 10010, USA
| | - Gang Peng
- Department of Biostatistics, Yale School of Public Health, New Haven, CT, 065116, USA
| | - Vincent C Marconi
- Division of Infectious Diseases, Emory University School of Medicine, Atlanta, GA, 30303, USA
| | - Michael J Corley
- Department of Native Hawaiian Health, John A. Burns School of Medicine, University of Hawaii, Suite 1016B, Honolulu, 96813, USA
| | - Todd Hulgan
- School of Medicine, Vanderbilt University, Nashville, TN, 37232, USA
| | - Kendall J Bryant
- National Institute on Alcohol Abuse and Alcoholism, Bethesda, MD, 20852, USA
| | - Hongyu Zhao
- Department of Biostatistics, Yale School of Public Health, New Haven, CT, 065116, USA
| | - John H Krystal
- Department of Psychiatry, Yale School of Medicine, 300 George Street, 950 Campbell Ave, West Haven, New Haven, CT, 06511, USA.,VA Connecticut Healthcare System, 950 Campbell Ave, West Haven, CT, 06516, USA
| | - Amy C Justice
- VA Connecticut Healthcare System, 950 Campbell Ave, West Haven, CT, 06516, USA.,Yale University School of Medicine, New Haven, CT, 06516, USA
| | - Ke Xu
- Department of Psychiatry, Yale School of Medicine, 300 George Street, 950 Campbell Ave, West Haven, New Haven, CT, 06511, USA. .,VA Connecticut Healthcare System, 950 Campbell Ave, West Haven, CT, 06516, USA.
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18
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Gao X, Zhang Y, Mons U, Brenner H. Leukocyte telomere length and epigenetic-based mortality risk score: associations with all-cause mortality among older adults. Epigenetics 2018; 13:846-857. [PMID: 30152726 DOI: 10.1080/15592294.2018.1514853] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Telomere length (TL) has been established as a biomarker of aging and aging-related health outcomes, but showed only a weak or inconsistent association with all-cause mortality in previous epidemiological studies. Recently, an epigenetic 'mortality risk score' (MS) based on whole blood DNA methylation at 10 mortality-related CpG sites has been demonstrated to be strongly related to all-cause mortality at the population level. This study aimed to address the association between TL and this MS, and to assess and compare their associations with all-cause mortality. The MS was derived from the DNA methylation profiles measured by Illumina Human Methylation450K Beadchip and TL was measured by quantitative PCR at baseline among 1517 participants aged 50-75 of the German ESTHER cohort study. In cross-sectional bi- and multivariable analyses, the MS was strongly associated and showed monotonic dose-response relationships with TL (p-values <0.05). However, only the MS but not TL was associated with all-cause mortality during a median follow-up of 12.5 years. After controlling for potential covariates and TL, hazard ratios (95% CI) for all-cause mortality for low, moderate and high levels of the MS defined by 1, 2-5 and >5 CpG sites with aberrant methylation were 2.24 (1.13-4.41), 3.31 (1.76-6.22) and 6.33 (3.22-12.41) compared to a MS of 0, respectively. Our investigation shows that the epigenetic-based MS is strongly associated with TL, a broadly accepted aging biomarker, and at the same time shows much stronger associations with all-cause mortality than the latter.
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Affiliation(s)
- Xu Gao
- a Division of Clinical Epidemiology and Aging Research , German Cancer Research Center (DKFZ) , Heidelberg , Germany
| | - Yan Zhang
- a Division of Clinical Epidemiology and Aging Research , German Cancer Research Center (DKFZ) , Heidelberg , Germany
| | - Ute Mons
- a Division of Clinical Epidemiology and Aging Research , German Cancer Research Center (DKFZ) , Heidelberg , Germany
| | - Hermann Brenner
- a Division of Clinical Epidemiology and Aging Research , German Cancer Research Center (DKFZ) , Heidelberg , Germany.,b Network Aging Research , University of Heidelberg , Heidelberg , Germany.,c Division of Preventive Oncology , German Cancer Research Center (DKFZ) and National Center for Tumor Diseases (NCT) , Heidelberg , Germany.,d German Cancer Consortium (DKTK) , German Cancer Research Center (DKFZ) , Heidelberg , Germany
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19
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Gào X, Brenner H, Holleczek B, Cuk K, Zhang Y, Anusruti A, Xuan Y, Xu Y, Schöttker B. Urinary 8-isoprostane levels and occurrence of lung, colorectal, prostate, breast and overall cancer: Results from a large, population-based cohort study with 14 years of follow-up. Free Radic Biol Med 2018; 123:20-26. [PMID: 29778463 DOI: 10.1016/j.freeradbiomed.2018.05.065] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/07/2018] [Revised: 05/14/2018] [Accepted: 05/16/2018] [Indexed: 12/18/2022]
Abstract
BACKGROUND Urinary 8-isoprostane is an established biomarker for lipid peroxidation. However, the association between its pre-diagnostic levels and cancer incidence has rarely been evaluated. METHODS 8793 older adults from the German ESTHER cohort were followed up for cancer incidence by cancer registry data. A directed acyclic graph was utilized to identify potential confounders. Multivariate Cox regression models were applied to estimate hazard ratios (HRs) and 95% confidence intervals (95% CI). RESULTS During 14-year follow-up, 1540 incident cancer cases, including 207 lung, 196 colorectal, 218 breast and 245 prostate cancer cases were detected. 8-isoprostane concentrations were positively associated with lung cancer, but not with cancer at the other sites. The HR (95% CI) for the association with lung cancer was 1.61 (1.10, 2.34) for comparison of the top with bottom tertile in total population. The association of 8-isoprostane levels with lung cancer persisted after the adjustment for smoking and other potential confounders and was multiplicative to the effect of smoking. However, 8-isoprostane levels did not improve lung cancer prediction when added to a model containing age, sex and smoking. A protective association of increasing 8-isoprostane levels was observed for prostate cancer incidence but this association was only statistically significant among current smokers. DISCUSSION Our findings suggest that lipid peroxidation is involved in the development of lung cancer. However, high oxidative stress may be a protective factor for prostate cancer, especially among current smokers.
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Affiliation(s)
- Xīn Gào
- Division of Clinical Epidemiology and Ageing Research, German Cancer Research Center, Heidelberg, Germany; Network Aging Research, Heidelberg University, Germany
| | - Hermann Brenner
- Division of Clinical Epidemiology and Ageing Research, German Cancer Research Center, Heidelberg, Germany; Division of Preventive Oncology, German Cancer Research Center (DKFZ) and National Center for Tumor Diseases (NCT), Heidelberg, Germany; German Cancer Consortium (DKTK), German Cancer Research Center (DKFZ), Heidelberg, Germany
| | | | - Katarina Cuk
- Division of Clinical Epidemiology and Ageing Research, German Cancer Research Center, Heidelberg, Germany
| | - Yan Zhang
- Division of Clinical Epidemiology and Ageing Research, German Cancer Research Center, Heidelberg, Germany
| | - Ankita Anusruti
- Division of Clinical Epidemiology and Ageing Research, German Cancer Research Center, Heidelberg, Germany; Network Aging Research, Heidelberg University, Germany
| | - Yang Xuan
- Division of Clinical Epidemiology and Ageing Research, German Cancer Research Center, Heidelberg, Germany; Network Aging Research, Heidelberg University, Germany
| | - Yiwei Xu
- Department of Surgery, University of Wisconsin School of Medicine and Public Health, Madison, WI, USA
| | - Ben Schöttker
- Division of Clinical Epidemiology and Ageing Research, German Cancer Research Center, Heidelberg, Germany; Network Aging Research, Heidelberg University, Germany; Institute of Health Care and Social Sciences, FOM University, Essen, Germany.
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20
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Gao X, Zhang Y, Schöttker B, Brenner H. Vitamin D status and epigenetic-based mortality risk score: strong independent and joint prediction of all-cause mortality in a population-based cohort study. Clin Epigenetics 2018; 10:84. [PMID: 29977410 PMCID: PMC6011585 DOI: 10.1186/s13148-018-0515-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2018] [Accepted: 06/07/2018] [Indexed: 01/06/2023] Open
Abstract
Background Vitamin D deficiency and insufficiency have been established to be strongly associated with increased overall mortality and deaths from specific aging-related diseases. Recently, an epigenetic “mortality risk score” (MS) based on whole blood DNA methylation at the 10 most prominent mortality-related cytosine-phosphate-guanine (CpG) sites has also been found to be highly related to all-cause mortality. This study aimed to explore whether vitamin D status, defined by serum 25-hydroxyvitamin D [25(OH)D] concentrations, is associated with the MS and to what extent both indicators are individually and jointly capable of predicting all-cause mortality in a general population sample of older adults. Results The MS was derived from the blood DNA methylation profiles measured by Illumina Human Methylation 450K Beadchip, and serum 25(OH)D concentration was measured among 1467 participants aged 50–75 of the German ESTHER cohort study. There was no association between vitamin D status and the MS at baseline, but both metrics were prominently and independently associated with all-cause mortality during a median follow-up of 15.2 years. The combination of both indicators showed the potential to be a particularly strong prognostic index for all-cause mortality. Participants with vitamin D deficiency (< 30 nmol/L) and high MS (> 5 CpG sites with aberrant methylation) had almost sixfold mortality (hazard ratio 5.79, 95% CI 3.06–10.94) compared with participants with sufficient vitamin D (≥ 50 nmol/L) and a low MS (0–1 CpG site with aberrant methylation). Conclusions This study suggests that vitamin D and the MS are strong independent predictors of all-cause mortality in older adults. Electronic supplementary material The online version of this article (10.1186/s13148-018-0515-y) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Xu Gao
- 1Division of Clinical Epidemiology and Aging Research, German Cancer Research Center (DKFZ), Im Neuenheimer Feld 581, 69120 Heidelberg, Germany.,5Current Address: Department of Environmental Health Sciences, Mailman School of Public Health, Columbia University, New York, NY USA
| | - Yan Zhang
- 1Division of Clinical Epidemiology and Aging Research, German Cancer Research Center (DKFZ), Im Neuenheimer Feld 581, 69120 Heidelberg, Germany
| | - Ben Schöttker
- 1Division of Clinical Epidemiology and Aging Research, German Cancer Research Center (DKFZ), Im Neuenheimer Feld 581, 69120 Heidelberg, Germany.,2Network Aging Research, University of Heidelberg, Bergheimer Straße 20, 69115 Heidelberg, Germany
| | - Hermann Brenner
- 1Division of Clinical Epidemiology and Aging Research, German Cancer Research Center (DKFZ), Im Neuenheimer Feld 581, 69120 Heidelberg, Germany.,2Network Aging Research, University of Heidelberg, Bergheimer Straße 20, 69115 Heidelberg, Germany.,3Division of Preventive Oncology, German Cancer Research Center (DKFZ) and National Center for Tumor Diseases (NCT), Im Neuenheimer Feld 460, 69120 Heidelberg, Germany.,4German Cancer Consortium (DKTK), German Cancer Research Center (DKFZ), Im Neuenheimer Feld 280, 69120 Heidelberg, Germany
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21
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Endometriosis Malignant Transformation: Epigenetics as a Probable Mechanism in Ovarian Tumorigenesis. Int J Genomics 2018; 2018:1465348. [PMID: 29780815 PMCID: PMC5892233 DOI: 10.1155/2018/1465348] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2017] [Accepted: 03/01/2018] [Indexed: 12/12/2022] Open
Abstract
Endometriosis, defined as the presence of ectopic endometrial glands and stroma outside the uterine cavity, is a chronic, hormone-dependent gynecologic disease affecting millions of women across the world, with symptoms including chronic pelvic pain, dysmenorrhea, dyspareunia, dysuria, and subfertility. In addition, there is well-established evidence that, although endometriosis is considered benign, it is associated with an increased risk of malignant transformation, with the involvement of various mechanisms of development. More and more evidence reveals an important contribution of epigenetic modification not only in endometriosis but also in mechanisms of endometriosis malignant transformation, including DNA methylation and demethylation, histone modifications, and miRNA aberrant expressions. In this present review, we mainly summarize the research progress about the current knowledge regarding the epigenetic modifications of the relations between endometriosis malignant transformation and ovarian cancer in an effort to identify some risk factors probably associated with ectopic endometrium transformation.
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22
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Associations of Helicobacter pylori infection and chronic atrophic gastritis with accelerated epigenetic ageing in older adults. Br J Cancer 2017; 117:1211-1214. [PMID: 28898235 PMCID: PMC5674108 DOI: 10.1038/bjc.2017.314] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2017] [Revised: 08/03/2017] [Accepted: 08/18/2017] [Indexed: 12/20/2022] Open
Abstract
Background: Helicobacter pylori (HP) infection and chronic atrophic gastritis (CAG) have shown strong associations with the development of gastric cancer. This study aimed to examine whether both risk factors are associated with accelerated epigenetic ageing, as determined by the ‘DNA methylation age’, in a population-based study of older adults (n=1477). Methods: Serological measurements of HP antibodies and pepsinogen I and II for CAG definition were obtained by ELISA kits. Whole blood DNA methylation profiles were measured by Illumina Human Methylation450K Beadchip. DNA methylation ages were calculated by two algorithms proposed by Horvath and Hannum et al. Results: After adjusting for potential covariates in linear regression models, we found that HP infection, infection with virulent HP strains (CagA+) and severe CAG were significantly associated with an increase in DNA methylation age by ∼0.4, 0.6 and 1 year (all P-values <0.05), respectively. Conclusions: Our study indicates that both CagA+ HP infection and CAG go along with accelerated epigenetic ageing.
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Use of anabolic androgenic steroids produces greater oxidative stress responses to resistance exercise in strength-trained men. Toxicol Rep 2017; 4:282-286. [PMID: 28959650 PMCID: PMC5615127 DOI: 10.1016/j.toxrep.2017.05.005] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2017] [Revised: 05/22/2017] [Accepted: 05/25/2017] [Indexed: 12/30/2022] Open
Abstract
Single session of high-intensity RE on trained bodybuilder men had effect on DNA damage and oxidative stress. The AAS users showed greater response than NAAS users. At pre-RE, the levels of oxidant were greater for the AAS group. The study has reported a range of negative redox status consequence of AAS use in conjunction with resistance training. The alteration of oxidative stress status with AAS use likely increase the injury risks in some organs in athletes.
The aim of this study was to determine the effect of anabolic androgenic steroids (AAS) use on oxidative stress responses to a single session of resistance exercise in strength-trained men. Twenty-three strength trained men, with 11 self-reporting regular AAS use and 12 self-reporting never taking AAS (NAAS) volunteered to participate in this study. Blood draws were obtained pre and post resistance exercise in order to evaluate changes in oxidative stress biomarkers levels (i.e., 8-hydroxy-2-deoxyguanosine [8-OHdG], malondialdehyde [MDA], and nitric oxide [NO]), antioxidant defense systems (i.e., glutathione peroxidase [GPx] and catalase [CAT]), and glucose (GLU) levels. The AAS users had higher level of 8-OHdG (77.3 ± 17 vs. 57.7 ± 18.2 ng/mg), MDA (85.6 ± 17.8 vs. 52.3 ± 15.1 ng/mL), and GPx (9.1 ± 2.3 vs. 7.1 ± 1.3 mu/mL) compared to NAAS at pre exercise (p < 0.05). Both the experimental groups showed increases in 8-OHdG (p = 0.001), MDA (p = 0.001), GPx (p = 0.001), NO (p = 0.04), CAT (p = 0.02) and GLU (p = 0.001) concentrations after resistance exercise, and the AAS group indicated significant differences in 8-OHdG (p = 0.02) and MDA (p = 0.05) concentrations compared with NAAS users at post exercise. In conclusion, use of AAS is associated with alterations in immune function resulting in oxidative stress, and cell damage; however, high-intensity resistance exercise could increase greater oxidative stress biomarkers in strength-trained men.
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24
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Gao X, Thomsen H, Zhang Y, Breitling LP, Brenner H. The impact of methylation quantitative trait loci (mQTLs) on active smoking-related DNA methylation changes. Clin Epigenetics 2017; 9:87. [PMID: 28824732 PMCID: PMC5561570 DOI: 10.1186/s13148-017-0387-6] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2017] [Accepted: 08/10/2017] [Indexed: 02/08/2023] Open
Abstract
BACKGROUND Methylation quantitative trait loci (mQTLs) are the genetic variants that may affect the DNA methylation patterns of CpG sites. However, their roles in influencing the disturbances of smoking-related epigenetic changes have not been well established. This study was conducted to address whether mQTLs exist in the vicinity of smoking-related CpG sites (± 50 kb) and to examine their associations with smoking exposure and all-cause mortality in older adults. RESULTS We obtained DNA methylation profiles in whole blood samples by Illumina Infinium Human Methylation 450 BeadChip array of two independent subsamples of the ESTHER study (discovery set, n = 581; validation set, n = 368) and their corresponding genotyping data using the Illumina Infinium OncoArray BeadChip. After correction for multiple testing (FDR), we successfully identified that 70 out of 151 previously reported smoking-related CpG sites were significantly associated with 192 SNPs within the 50 kb search window of each locus. The 192 mQTLs significantly influenced the active smoking-related DNA methylation changes, with percentage changes ranging from 0.01 to 18.96%, especially for the weakly/moderately smoking-related CpG sites. However, these identified mQTLs were not directly associated with active smoking exposure or all-cause mortality. CONCLUSIONS Our findings clearly demonstrated that if not dealt with properly, the mQTLs might impair the power of epigenetic-based models of smoking exposure to a certain extent. In addition, such genetic variants could be the key factor to distinguish between the heritable and smoking-induced impact on epigenome disparities. These mQTLs are of special importance when DNA methylation markers measured by Illumina Infinium assay are used for any comparative population studies related to smoking-related cancers and chronic diseases.
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Affiliation(s)
- Xu Gao
- 0000 0004 0492 0584grid.7497.dDivision of Clinical Epidemiology and Aging Research, German Cancer Research Center (DKFZ), Im Neuenheimer Feld 581, 69120 Heidelberg, Germany
| | - Hauke Thomsen
- 0000 0004 0492 0584grid.7497.dDivision of Molecular Genetic Epidemiology, German Cancer Research Center (DKFZ), Im Neuenheimer Feld 580, 69120 Heidelberg, Germany
| | - Yan Zhang
- 0000 0004 0492 0584grid.7497.dDivision of Clinical Epidemiology and Aging Research, German Cancer Research Center (DKFZ), Im Neuenheimer Feld 581, 69120 Heidelberg, Germany
| | - Lutz Philipp Breitling
- 0000 0004 0492 0584grid.7497.dDivision of Clinical Epidemiology and Aging Research, German Cancer Research Center (DKFZ), Im Neuenheimer Feld 581, 69120 Heidelberg, Germany
| | - Hermann Brenner
- 0000 0004 0492 0584grid.7497.dDivision of Clinical Epidemiology and Aging Research, German Cancer Research Center (DKFZ), Im Neuenheimer Feld 581, 69120 Heidelberg, Germany
- 0000 0004 0492 0584grid.7497.dDivision of Preventive Oncology, German Cancer Research Center (DKFZ) and National Center for Tumor Diseases (NCT), Im Neuenheimer Feld 460, 69120 Heidelberg, Germany
- 0000 0004 0492 0584grid.7497.dGerman Cancer Consortium (DKTK), German Cancer Research Center (DKFZ), Im Neuenheimer Feld 280, 69120 Heidelberg, Germany
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