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Aanniz T, Bouyahya A, Balahbib A, El Kadri K, Khalid A, Makeen HA, Alhazmi HA, El Omari N, Zaid Y, Wong RSY, Yeo CI, Goh BH, Bakrim S. Natural bioactive compounds targeting DNA methyltransferase enzymes in cancer: Mechanisms insights and efficiencies. Chem Biol Interact 2024; 392:110907. [PMID: 38395253 DOI: 10.1016/j.cbi.2024.110907] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2023] [Revised: 01/06/2024] [Accepted: 02/07/2024] [Indexed: 02/25/2024]
Abstract
The regulation of gene expression is fundamental to health and life and is essentially carried out at the promoter region of the DNA of each gene. Depending on the molecular context, this region may be accessible or non-accessible (possibility of integration of RNA polymerase or not at this region). Among enzymes that control this process, DNA methyltransferase enzymes (DNMTs), are responsible for DNA demethylation at the CpG islands, particularly at the promoter regions, to regulate transcription. The aberrant activity of these enzymes, i.e. their abnormal expression or activity, can result in the repression or overactivation of gene expression. Consequently, this can generate cellular dysregulation leading to instability and tumor development. Several reports highlighted the involvement of DNMTs in human cancers. The inhibition or activation of DNMTs is a promising therapeutic approach in many human cancers. In the present work, we provide a comprehensive and critical summary of natural bioactive molecules as primary inhibitors of DNMTs in human cancers. The active compounds hold the potential to be developed as anti-cancer epidrugs targeting DNMTs.
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Affiliation(s)
- Tarik Aanniz
- Medical Biotechnology Laboratory, Rabat Medical & Pharmacy School, Mohammed V University in Rabat, Rabat, B.P, 6203, Morocco.
| | - Abdelhakim Bouyahya
- Laboratory of Human Pathologies Biology, Faculty of Sciences, Mohammed V University in Rabat, Rabat, 10106, Morocco.
| | - Abdelaali Balahbib
- High Institute of Nursing Professions and Health Techniques of Errachidia, Errachidia, Morocco.
| | - Kawtar El Kadri
- High Institute of Nursing Professions and Health Techniques of Errachidia, Errachidia, Morocco
| | - Asaad Khalid
- Substance Abuse and Toxicology Research Center, Jazan University, P.O. Box: 114, Jazan, Saudi Arabia; Medicinal and Aromatic Plants Research Institute, National Center for Research, P.O. Box: 2424, Khartoum, 11111, Sudan.
| | - Hafiz A Makeen
- Pharmacy Practice Research Unit, Clinical Pharmacy Department, Faculty of Pharmacy, Jazan University, Jazan, Saudi Arabia.
| | - Hassan A Alhazmi
- Substance Abuse and Toxicology Research Center, Jazan University, P.O. Box: 114, Jazan, Saudi Arabia; Pharmacy Practice Research Unit, Clinical Pharmacy Department, Faculty of Pharmacy, Jazan University, Jazan, Saudi Arabia.
| | - Nasreddine El Omari
- High Institute of Nursing Professions and Health Techniques of Tetouan, Tetouan, Morocco.
| | - Younes Zaid
- Department of Biology, Faculty of Sciences, Mohammed V University in Rabat, Morocco.
| | - Rebecca Shin-Yee Wong
- Sunway Biofunctional Molecules Discovery Centre, School of Medical and Life Sciences, Sunway University Malaysia, Bandar Sunway, 47500, Selangor Darul Ehsan, Malaysia; Department of Medical Education, School of Medical and Life Sciences, Sunway University Malaysia, Bandar Sunway, 47500, Selangor Darul Ehsan, Malaysia.
| | - Chien Ing Yeo
- Sunway Biofunctional Molecules Discovery Centre, School of Medical and Life Sciences, Sunway University Malaysia, Bandar Sunway, 47500, Selangor Darul Ehsan, Malaysia.
| | - Bey Hing Goh
- Sunway Biofunctional Molecules Discovery Centre, School of Medical and Life Sciences, Sunway University Malaysia, Bandar Sunway, 47500, Selangor Darul Ehsan, Malaysia; Biofunctional Molecule Exploratory Research Group, School of Pharmacy, Monash University Malaysia, Bandar Sunway, 47500, Malaysia; College of Pharmaceutical Sciences, Zhejiang University, 310058, Hangzhou, Zhejiang, China.
| | - Saad Bakrim
- Geo-Bio-Environment Engineering and Innovation Laboratory, Molecular Engineering, Biotechnology and Innovation Team, Polydisciplinary Faculty of Taroudant, Ibn Zohr University, Agadir, 80000, Morocco.
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Zhao Y, Guo Y, Sun M, Hussion S, Zheng Y, Huang H, Huo X, Zhao Y, Zhang F, Han Y, Ning Q, Xu P, Sun J, Lu S. Selenium-sensitive histone deacetylase 2 is required for forkhead box O3A and regulates extracellular matrix metabolism in cartilage. J Bone Miner Metab 2022; 40:914-926. [PMID: 36156740 DOI: 10.1007/s00774-022-01369-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Accepted: 08/24/2022] [Indexed: 01/03/2023]
Abstract
INTRODUCTION Selenium (Se) as well as selenoproteins are vital for osteochondral system development. Se deficiency (SeD) has a definite impact on the expression and activity of histone deacetylases (HDACs). Abnormal expression of some HDACs affects cartilage development. This current study aims to explore the relationship between differentially expressed HDACs and cartilage development, especially extracellular matrix (ECM) homeostasis maintenance, under SeD conditions. MATERIALS AND METHODS Dark Agouti rats and C28/I2 cell line under SeD states were used to detect the differently expressed HDAC by RT-qPCR, western blotting and IHC staining. Meanwhile, the biological roles of the above HDAC in cartilage development and homeostasis maintenance were confirmed by siRNA transfection, western blotting, RNA sequence and inhibitor treatment experiments. RESULTS HDAC2 exhibited lower expression at protein level in both animals and chondrocytes during SeD condition. The results of cell-level experiments indicated that forkhead box O3A (FOXO3A), which was required to maintain metabolic homeostasis of cartilage matrix, was reduced by HDAC2 knockdown. Meanwhile, induced HDAC2 was positively associated with FOXO3A in rat SeD model. Meanwhile, knockdown of HDAC2 and FOXO3A led to an increase of intracellular ROS level, which activated NF-κB pathway. Se supplementary significantly inhibited the activation of NF-κB pathway with IL-1β treatment. CONCLUSION Our results suggested that low expression of HDAC2 under SeD condition increased ROS content by decreasing FOXO3A in chondrocytes, which led to the activation of NF-κB pathway and ECM homeostasis imbalance.
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Affiliation(s)
- Yitong Zhao
- Department of Biochemistry and Molecular Biology, Xi'an Jiaotong University School of Basic Medical Sciences, West Yanta Street No.76, Xi'an, 710061, Shaanxi, People's Republic of China
| | - Yuanxu Guo
- Department of Biochemistry and Molecular Biology, Xi'an Jiaotong University School of Basic Medical Sciences, West Yanta Street No.76, Xi'an, 710061, Shaanxi, People's Republic of China
| | - Mengyao Sun
- Department of Biochemistry and Molecular Biology, Xi'an Jiaotong University School of Basic Medical Sciences, West Yanta Street No.76, Xi'an, 710061, Shaanxi, People's Republic of China
| | - Safdar Hussion
- Department of Biochemistry and Molecular Biology, Xi'an Jiaotong University School of Basic Medical Sciences, West Yanta Street No.76, Xi'an, 710061, Shaanxi, People's Republic of China
| | - Ying Zheng
- Department of Digestive Disease and Gastrointestinal Motility Research Room, The Second Affiliated Hospital of Xi'an Jiaotong University, No. 157 Xi Wu Road, Xi'an, 710004, Shaanxi, People's Republic of China
| | - Huang Huang
- Department of Biochemistry and Molecular Biology, Xi'an Jiaotong University School of Basic Medical Sciences, West Yanta Street No.76, Xi'an, 710061, Shaanxi, People's Republic of China
| | - Xinyu Huo
- Department of Biochemistry and Molecular Biology, Xi'an Jiaotong University School of Basic Medical Sciences, West Yanta Street No.76, Xi'an, 710061, Shaanxi, People's Republic of China
| | - Yutong Zhao
- Department of Software Engineering, Xinjiang University School of Software, Urumqi, 830000, Xinjiang, People's Republic of China
| | - Fujun Zhang
- Department of Biochemistry and Molecular Biology, Xi'an Jiaotong University School of Basic Medical Sciences, West Yanta Street No.76, Xi'an, 710061, Shaanxi, People's Republic of China
| | - Yan Han
- Department of Biochemistry and Molecular Biology, Xi'an Jiaotong University School of Basic Medical Sciences, West Yanta Street No.76, Xi'an, 710061, Shaanxi, People's Republic of China
| | - Qilan Ning
- Department of Biochemistry and Molecular Biology, Xi'an Jiaotong University School of Basic Medical Sciences, West Yanta Street No.76, Xi'an, 710061, Shaanxi, People's Republic of China
| | - Peng Xu
- Department of Joint Surgery, Xi'an Honghui Hospital, Easter Youyi Road No. 555, Xi'an, 710054, Shaanxi, People's Republic of China
| | - Jian Sun
- Key Laboratory of Trace Elements and Endemic Diseases, Xi'an Jiaotong University School of Public Health, West Yanta Street No.76, Xi'an, 710061, Shaanxi, People's Republic of China.
| | - Shemin Lu
- Department of Biochemistry and Molecular Biology, Xi'an Jiaotong University School of Basic Medical Sciences, West Yanta Street No.76, Xi'an, 710061, Shaanxi, People's Republic of China.
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Lal MK, Sharma E, Tiwari RK, Devi R, Mishra UN, Thakur R, Gupta R, Dey A, Lal P, Kumar A, Altaf MA, Sahu DN, Kumar R, Singh B, Sahu SK. Nutrient-Mediated Perception and Signalling in Human Metabolism: A Perspective of Nutrigenomics. Int J Mol Sci 2022; 23:ijms231911305. [PMID: 36232603 PMCID: PMC9569568 DOI: 10.3390/ijms231911305] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2022] [Revised: 09/03/2022] [Accepted: 09/21/2022] [Indexed: 11/16/2022] Open
Abstract
The interaction between selective nutrients and linked genes involving a specific organ reveals the genetic make-up of an individual in response to a particular nutrient. The interaction of genes with food opens opportunities for the addition of bioactive compounds for specific populations comprising identical genotypes. The slight difference in the genetic blueprints of humans is advantageous in determining the effect of nutrients and their metabolism in the body. The basic knowledge of emerging nutrigenomics and nutrigenetics can be applied to optimize health, prevention, and treatment of diseases. In addition, nutrient-mediated pathways detecting the cellular concentration of nutrients such as sugars, amino acids, lipids, and metabolites are integrated and coordinated at the organismal level via hormone signals. This review deals with the interaction of nutrients with various aspects of nutrigenetics and nutrigenomics along with pathways involved in nutrient sensing and regulation, which can provide a detailed understanding of this new leading edge in nutrition research and its potential application to dietetic practice.
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Affiliation(s)
- Milan Kumar Lal
- Division of Crop Physiology, Biochemistry and Post-Harvest Technology, ICAR-Central Potato Research Institute, Shimla 171001, India
| | - Eshita Sharma
- Department of Molecular Biology and Biochemistry, Guru Nanak Dev University, Amritsar 143005, India
| | - Rahul Kumar Tiwari
- Division of Plant Protection, ICAR-Central Potato Research Institute, Shimla 171001, India
| | - Rajni Devi
- Department of Microbiology, Punjab Agricultural University, Ludhiana 141004, India
| | | | - Richa Thakur
- Division of Silviculture and Forest Management, Himalayan Forest Research Institute, Conifer Campus, Shimla 171001, India
| | - Rucku Gupta
- Department of horticulture, Sher-e-Kashmir University of Agricultural Science and Technology of Jammu, Jammu 181101, India
| | - Abhijit Dey
- Department of Life Sciences, Presidency University, 86/1 College Street, Kolkata 700073, India
| | - Priyanka Lal
- Department of Agricultural Economics and Extension, School of Agriculture, Lovely Professional University, Jalandhar GT Road (NH1), Phagwara 144402, India
| | - Awadhesh Kumar
- Division of Crop Physiology and Biochemistry, ICAR-National Rice Research Institute, Cuttack 754006, India
| | | | - Durgesh Nandini Sahu
- State Key Laboratory of Agricultural Genomics, BGI-Shenzhen, Shenzhen 518083, China
| | - Ravinder Kumar
- Division of Plant Protection, ICAR-Central Potato Research Institute, Shimla 171001, India
| | - Brajesh Singh
- Division of Crop Physiology, Biochemistry and Post-Harvest Technology, ICAR-Central Potato Research Institute, Shimla 171001, India
- Correspondence: (B.S.); (S.K.S.)
| | - Sunil Kumar Sahu
- State Key Laboratory of Agricultural Genomics, BGI-Shenzhen, Shenzhen 518083, China
- Correspondence: (B.S.); (S.K.S.)
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El Omari N, Bakha M, Imtara H, Guaouguaoua FE, Balahbib A, Zengin G, Bouyahya A. Anticancer mechanisms of phytochemical compounds: focusing on epigenetic targets. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:47869-47903. [PMID: 34308524 DOI: 10.1007/s11356-021-15594-8] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Accepted: 07/19/2021] [Indexed: 06/13/2023]
Abstract
It has recently been proven that epigenetic dysregulation is importantly involved in cell transformation and therefore induces cancerous diseases. The development of molecules called epidrugs, which target specifically different epigenetic modifications to restore cellular memory and therefore the treatment, became a real challenge currently. Currently, bioactive compounds of medicinal plants as epidrugs have been can identified and explored in cancer therapy. Indeed, these molecules can target specifically different epigenetic modulators including DNMT, HDAC, HAT, and HMT. Moreover, some compounds exhibit stochastic epigenetic actions on different pathways regulating cell memory. In this work, pharmacodynamic actions of natural epidrugs belonging to cannabinoids, carotenoids, chalcones, fatty acids, lignans, polysaccharides, saponins, secoiridoids, steroids, tannins, tanshinones, and other chemical classes we reported and highlighted. In this review, the effects of several natural bioactive compounds of epigenetic medications on cancerous diseases were highlighted. Numerous active molecules belonging to different chemical classes such as cannabinoids, carotenoids, fatty acids, lignans, polysaccharides, saponins, secoiridoids, steroids, tannins, and tanshinones are discussed in this review.
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Affiliation(s)
- Nasreddine El Omari
- Laboratory of Histology, Embryology, and Cytogenetic, Faculty of Medicine and Pharmacy, Mohammed V University, Rabat, Morocco
| | - Mohamed Bakha
- Biotechnology and Applied Microbiology Team, Department of Biology, Faculty of Science, Abdelmalek Essaadi University, BP2121, 93002, Tetouan, Morocco
| | - Hamada Imtara
- Faculty of Arts and Sciences, Arab American University, Jenin, 240, Palestine
| | | | - Abdelaali Balahbib
- Laboratory of Biodiversity, Ecology, and Genome, Faculty of Sciences, Mohammed V University, Rabat, Morocco
| | - Gokhan Zengin
- Physiology and Biochemistry Research Laboratory, Department of Biology, Science Faculty, Selcuk University, Konya, Turkey.
| | - Abdelhakim Bouyahya
- Laboratory of Human Pathologies Biology, Department of Biology, Faculty of Sciences, and Genomic Center of Human Pathologies, Mohammed V University, Rabat, Morocco.
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Pagiatakis C, Di Mauro V. The Emerging Role of Epigenetics in Therapeutic Targeting of Cardiomyopathies. Int J Mol Sci 2021; 22:ijms22168721. [PMID: 34445422 PMCID: PMC8395924 DOI: 10.3390/ijms22168721] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2021] [Revised: 08/06/2021] [Accepted: 08/10/2021] [Indexed: 02/06/2023] Open
Abstract
Cardiomyopathies (CMPs) are a heterogeneous group of myocardial diseases accountable for the majority of cases of heart failure (HF) and/or sudden cardiac death (SCD) worldwide. With the recent advances in genomics, the original classification of CMPs on the basis of morphological and functional criteria (dilated (DCM), hypertrophic (HCM), restrictive (RCM), and arrhythmogenic ventricular cardiomyopathy (AVC)) was further refined into genetic (inherited or familial) and acquired (non-inherited or secondary) forms. Despite substantial progress in the identification of novel CMP-associated genetic variations, as well as improved clinical recognition diagnoses, the functional consequences of these mutations and the exact details of the signaling pathways leading to hypertrophy, dilation, and/or contractile impairment remain elusive. To date, global research has mainly focused on the genetic factors underlying CMP pathogenesis. However, growing evidence shows that alterations in molecular mediators associated with the diagnosis of CMPs are not always correlated with genetic mutations, suggesting that additional mechanisms, such as epigenetics, may play a role in the onset or progression of CMPs. This review summarizes published findings of inherited CMPs with a specific focus on the potential role of epigenetic mechanisms in regulating these cardiac disorders.
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Affiliation(s)
- Christina Pagiatakis
- IRCCS-Humanitas Research Hospital, Via Manzoni 56, 20089 Rozzano, Italy
- Correspondence: (C.P.); (V.D.M.)
| | - Vittoria Di Mauro
- IRCCS-Humanitas Research Hospital, Via Manzoni 56, 20089 Rozzano, Italy
- Institute of Genetic and Biomedical Research (IRGB), Milan Unit, National Research Council, Via Fantoli 16/15, 20138 Milan, Italy
- Correspondence: (C.P.); (V.D.M.)
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Wang K, Liu S, Zhang X, Sun D. Toxic Effect of Mycotoxins on Cardiovascular System: A Topic Worthy of Further Study. FOOD REVIEWS INTERNATIONAL 2021. [DOI: 10.1080/87559129.2021.1950172] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Kewei Wang
- Center for Endemic Disease Control, Chinese Center for Disease Control and Prevention, Harbin, China
- Key Laboratory of Etiology and Epidemiology, National Health and Family Planning Commission of the People’s Republic of China, Harbin, China
- Department of Stem Cell Therapy, Institute of Cell Biotechnology, Harbin Medical University, Harbin, China
| | - Shoujun Liu
- Center for Endemic Disease Control, Chinese Center for Disease Control and Prevention, Harbin, China
- Key Laboratory of Etiology and Epidemiology, National Health and Family Planning Commission of the People’s Republic of China, Harbin, China
| | - Xufeng Zhang
- Center for Endemic Disease Control, Chinese Center for Disease Control and Prevention, Harbin, China
- Key Laboratory of Etiology and Epidemiology, National Health and Family Planning Commission of the People’s Republic of China, Harbin, China
| | - Dianjun Sun
- Center for Endemic Disease Control, Chinese Center for Disease Control and Prevention, Harbin, China
- Key Laboratory of Etiology and Epidemiology, National Health and Family Planning Commission of the People’s Republic of China, Harbin, China
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Li Z, Wei J, Zhang Y, Li G, Zhu H, Lei N, He Q, Geng Y, Zhu J. Risk factors for Keshan disease: a prospective cohort study protocol of gut flora. BMC Cardiovasc Disord 2020; 20:481. [PMID: 33176699 PMCID: PMC7661207 DOI: 10.1186/s12872-020-01765-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2020] [Accepted: 10/31/2020] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND Keshan disease is an endemic cardiomyopathy of undefined causes. Being involved in the unclear pathogenesis of Keshan disease, a clear diagnosis, and effective treatment cannot be initiated. However, the rapid development of gut flora in cardiovascular disease combined with omics and big data platforms may promote the discovery of new diagnostic markers and provide new therapeutic options. This study aims to identify biomarkers for the early diagnosis and further explore new therapeutic targets for Keshan disease. METHODS This cohort study consists of two parts. Though the first part includes 300 participants, however, recruiting will be continued for the eligible participants. After rigorous screening, the blood samples, stools, electrocardiograms, and ultrasonic cardiogram data would be collected from participants to elucidate the relationship between gut flora and host. The second part includes a prospective follow-up study for every 6 months within 2 years. Finally, deep mining of big data and rapid machine learning will be employed to analyze the baseline data, experimental data, and clinical data to seek out the new biomarkers to predict the pathogenesis of Keshan disease. DISCUSSION Our study will clarify the distribution of gut flora in patients with Keshan disease and the abundance and population changes of gut flora in different stages of the disease. Through the big data platform analyze the relationship between environmental factors, clinical factors, and gut flora, the main factors affecting the occurrence of Keshan disease were identified, and the changed molecular pathways of gut flora were predicted. Finally, the specific gut flora and molecular pathways affecting Keshan disease were identified by metagenomics combined with metabonomic analysis. TRIAL REGISTRATION ChiCTR1900026639. Registered on 16 October 2019.
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Affiliation(s)
- Zhenzhen Li
- Department of Clinical Laboratory, The Second Affiliated Hospital of Xi'an Jiaotong University, 157 Xiwu Road, Xi'an, 710004, People's Republic of China.,Clinical Research Center for Endemic Disease of Shaanxi Provincerovince, 5 Jianqiang Road, Xi'an, 710004, People's Republic of China
| | - Jin Wei
- Department of Cardiology, The Second Affiliated Hospital of Xi'an Jiaotong University, 157 Xiwu Road, Xi'an, 710004, People's Republic of China.,Clinical Research Center for Endemic Disease of Shaanxi Provincerovince, 5 Jianqiang Road, Xi'an, 710004, People's Republic of China
| | - Yanping Zhang
- Department of Clinical Laboratory, The Second Affiliated Hospital of Xi'an Jiaotong University, 157 Xiwu Road, Xi'an, 710004, People's Republic of China.,Clinical Research Center for Endemic Disease of Shaanxi Provincerovince, 5 Jianqiang Road, Xi'an, 710004, People's Republic of China
| | - Gaopeng Li
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of the Ministry of Education, Shaanxi Key Laboratory of Physico-Inorganic Chemistry, College of Chemistry and Materials Science, Northwest University, Xi'an, 710127, People's Republic of China
| | - Huange Zhu
- Department of Clinical Laboratory, The Second Affiliated Hospital of Xi'an Jiaotong University, 157 Xiwu Road, Xi'an, 710004, People's Republic of China
| | - Na Lei
- Department of Clinical Laboratory, The Second Affiliated Hospital of Xi'an Jiaotong University, 157 Xiwu Road, Xi'an, 710004, People's Republic of China
| | - Qian He
- Department of Clinical Laboratory, The Second Affiliated Hospital of Xi'an Jiaotong University, 157 Xiwu Road, Xi'an, 710004, People's Republic of China.,Clinical Research Center for Endemic Disease of Shaanxi Provincerovince, 5 Jianqiang Road, Xi'an, 710004, People's Republic of China
| | - Yan Geng
- Department of Clinical Laboratory, The Second Affiliated Hospital of Xi'an Jiaotong University, 157 Xiwu Road, Xi'an, 710004, People's Republic of China.,Clinical Research Center for Endemic Disease of Shaanxi Provincerovince, 5 Jianqiang Road, Xi'an, 710004, People's Republic of China
| | - Jianhong Zhu
- Department of Clinical Laboratory, The Second Affiliated Hospital of Xi'an Jiaotong University, 157 Xiwu Road, Xi'an, 710004, People's Republic of China. .,Clinical Research Center for Endemic Disease of Shaanxi Provincerovince, 5 Jianqiang Road, Xi'an, 710004, People's Republic of China.
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Özyalçin B, Sanlier N. The effect of diet components on cancer with epigenetic mechanisms. Trends Food Sci Technol 2020. [DOI: 10.1016/j.tifs.2020.06.004] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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Aslan G, Atessahin A, Sahna E. The inhibition of apoptosis through myocardial postconditioning by affecting Fas/FasIg signaling through miR139-3p and miR181a-1. J Card Surg 2020; 35:564-570. [PMID: 31945231 DOI: 10.1111/jocs.14426] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
BACKGROUND AND AIM OF THE STUDY Ischemic postconditioning (PostC) is considered to be one of the strongest mechanisms limiting the extent of myocardial infarction, and reducing ischemia-reperfusion (I/R) injury. I/R-induced myocardial injury results in apoptosis, autophagy, and necrosis. The aim of the present study was to investigate the roles of the necrotic gene cytochrome b-245 beta chain (Cybb); Cybb-related microRNA miR139-3p; the autophagy gene Beclin-1 (Becn1); proapoptotic genes Fas, Faslg and growth arrest and DNA-damage-inducible 45 alpha (Gadd45a); and apoptosis-related microRNA miR181a-1 levels on I/R injury, as well as, the potential protective effects of PostC through this gene and microRNAs. METHODS The left main coronary artery was subjected to ischemia for 30 minutes, followed by reperfusion for 120 minutes. PostC involved three cycles of I/R, each lasting 10 seconds. Gene and microRNA levels were analyzed using a quantitative reverse transcription-polymerase chain reaction. RESULTS Although an increase was observed in the expression levels of the Cybb, Fas, Faslg and Gadd45a genes, the miR139-3p, miR181a-1, and Becn1 expression levels were found to decrease with I/R injury. PostC was determined to restore the expression of all the genes to the normal levels. CONCLUSIONS The abovementioned genes can be used as important prognostic markers in the diagnosis of reperfusion injury and in the evaluation of treatment efficacy. It was further noted that increased expression of CYBB, which is one of the target genes for miR139-3p, and a decreased expression of miR181a-1 may cause apoptosis by affecting Fas and Faslg signaling. PostC can inhibit apoptosis by increasing miR139-3p and miR181a-1 levels.
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Affiliation(s)
- Gulnur Aslan
- Department of Medical Pharmacology, Faculty of Medicine, Firat University, Elazig, Turkey
| | - Ahmet Atessahin
- Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine, Firat University, Elazig, Turkey
| | - Engin Sahna
- Department of Medical Pharmacology, Faculty of Medicine, Firat University, Elazig, Turkey
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A comprehensive mechanistic review insight into the effects of micronutrients on toll-like receptors functions. Pharmacol Res 2019; 152:104619. [PMID: 31887355 DOI: 10.1016/j.phrs.2019.104619] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/27/2019] [Revised: 11/23/2019] [Accepted: 12/26/2019] [Indexed: 12/29/2022]
Abstract
Toll-like receptors (TLRs) are the special proteins receptors for recognition of molecules related to the pathogens. In this way, TLRs and secreted cytokines as a result of TLRs activation are involved in the inflammation pathways. So far, in vivo and in vitro studies have demonstrated that micronutrients (vitamins & minerals) with a broad range of effects on body health, can regulate TLRs signaling pathways. Current review aimed at determining the possible mechanisms of micronutrient effects on TLRs functions. In the aspect of gene expression, micronutrients have inconsistent effects on mRNA level of TLRs which are dependent on time, dose and type of studied TLR. Also, some micronutrients affect gene expression of TLRs signaling mediators namely TLRs adaptors like Myeloid differentiation primary response 88 (MyD88). In the aspect of TLRs signaling pathways, nuclear factor-κB (NF-κB) is an important mediator which is regulated by micronutrients. Also, the regulatory effects of micronutrients on phosphorylation reactions may be effective in the activation/inactivation of TLRs signaling mediators. In addition, zinc can regulate TLRs signaling indirectly via the zinc finger proteins which have contradictory effects on TLRs cascade. In conclusion, the relationship between micronutrients and TLRs signaling is complicated and depends on some known internal, external and genetic factors like form of studied micronutrient, cell type, TLR agonist, dose and time of exposure, inflammation, apoptosis, cell cycle, and environmental factors. Some unknown factors may be effective in TLRs response and as a result additional mechanistic studies are needed to elucidate exact effect of micronutrients on TLRs signaling.
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Montes-Castro N, Alvarado-Cruz I, Torres-Sánchez L, García-Aguiar I, Barrera-Hernández A, Escamilla-Núñez C, Del Razo LM, Quintanilla-Vega B. Prenatal exposure to metals modified DNA methylation and the expression of antioxidant- and DNA defense-related genes in newborns in an urban area. J Trace Elem Med Biol 2019; 55:110-120. [PMID: 31345348 DOI: 10.1016/j.jtemb.2019.06.014] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/04/2018] [Revised: 06/11/2019] [Accepted: 06/17/2019] [Indexed: 12/17/2022]
Abstract
The developmental period in utero is a critical window for environmental exposure. Epigenetic fetal programming via DNA methylation is a pathway through which metal exposure influences the risk of developing diseases later in life. Genetic damage repair can be modified by alterations in DNA methylation, which, in turn, may modulate gene expression due to metal exposure. We investigated the impact of prenatal metal exposure on global and gene-specific DNA methylation and mRNA expression in 181 umbilical cord blood samples from newborns in Mexico City. Global (LINE1) and promoter methylation of DNA-repair (OGG1 and PARP1) and antioxidant (Nrf2) genes was evaluated by pyrosequencing. Prenatal metal exposure (As, Cu, Hg, Mn, Mo, Pb, Se, and Zn) was determined by ICP-MS analysis of maternal urine samples. Multiple regression analyses revealed that DNA methylation of LINE1, Nrf2, OGG1, and PARP1 was associated with potentially toxic (As, Hg, Mn, Mo, and Pb) and essential (Cu, Se, and Zn) elements, and with their interactions. We also evaluated the association between gene expression (mRNA levels quantified by p-PCR) and DNA methylation. An increase in OGG1 methylation at all sites and at CpG2, CpG3, and CpG4 sites was associated with reduced mRNA levels; likewise, methylation at the CpG5, CpG8, and CpG11 sites of PARP1 was associated with reduced mRNA expression. In contrast, methylation at the PARP1 CpG7 site was positively associated with its mRNA levels. No associations between Nrf2 expression and CpG site methylation were observed. Our data suggest that DNA methylation can be influenced by prenatal metal exposure, which may contribute to alterations in the expression of repair genes, and therefore, result in a lower capacity for DNA damage repair in newborns.
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Affiliation(s)
- N Montes-Castro
- Department of Toxicology, Cinvestav, Ave. IPN 2508, Zacatenco, Mexico City, 07360, Mexico
| | - I Alvarado-Cruz
- Department of Toxicology, Cinvestav, Ave. IPN 2508, Zacatenco, Mexico City, 07360, Mexico
| | - L Torres-Sánchez
- National Institute of Public Health-INSP, Ave. Universidad 655, Santa María Ahuacatitlán, Cuernavaca, Morelos, 62100, Mexico
| | - I García-Aguiar
- Department of Molecular Biomedicine, Cinvestav, Ave. IPN 2508, Zacatenco, Mexico City, 07360, Mexico
| | - A Barrera-Hernández
- Department of Toxicology, Cinvestav, Ave. IPN 2508, Zacatenco, Mexico City, 07360, Mexico
| | - C Escamilla-Núñez
- National Institute of Public Health-INSP, Ave. Universidad 655, Santa María Ahuacatitlán, Cuernavaca, Morelos, 62100, Mexico
| | - L M Del Razo
- Department of Toxicology, Cinvestav, Ave. IPN 2508, Zacatenco, Mexico City, 07360, Mexico
| | - B Quintanilla-Vega
- Department of Toxicology, Cinvestav, Ave. IPN 2508, Zacatenco, Mexico City, 07360, Mexico.
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12
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Hu J, Yu Y. Epigenetic response profiles into environmental epigenotoxicant screening and health risk assessment: A critical review. CHEMOSPHERE 2019; 226:259-272. [PMID: 30933735 DOI: 10.1016/j.chemosphere.2019.03.096] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/18/2018] [Revised: 03/06/2019] [Accepted: 03/14/2019] [Indexed: 06/09/2023]
Abstract
The epigenome may be an important interface between exposure to environmental contaminants and adverse outcome on human health. Many environmental pollutants deregulate gene expression and promote diseases by modulating the epigenome. Adverse epigenetic responses have been widely used for risk assessment of chemical substances. Various pollutants, including trace elements and persistent organic pollutants, have been detected frequently in the environment. Epigenetic toxicity of environmental matrices including water, air, soil, and food cannot be ignored. This review provides a comprehensive overview of epigenetic effects of pollutants and environmental matrices. We start with an overview of the mechanisms of epigenetic regulation and the effects of several types of environmental pollutants (trace elements, persistent organic pollutants, endocrine disrupting chemicals, and volatile organic pollutants) on epigenetic modulation. We then discuss the epigenetic responses to environmental water, air, and soil based on in vivo and in vitro assays. Finally, we discuss recommendations to promote the incorporation of epigenotoxicity into contamination screening and health risk assessment.
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Affiliation(s)
- Junjie Hu
- School of Environment and Civil Engineering, Dongguan University of Technology, Dongguan, 523808, Guangdong, PR China
| | - Yingxin Yu
- Guangzhou Key Laboratory Environmental Catalysis and Pollution Control, Guangdong Key Laboratory of Environmental Catalysis and Health Risk Control, School of Environmental Science and Engineering, Institute of Environmental Health and Pollution Control, Guangdong University of Technology, Guangzhou 510006, Guangdong, PR China.
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13
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Li S, Chen M, Li Y, Tollefsbol TO. Prenatal epigenetics diets play protective roles against environmental pollution. Clin Epigenetics 2019; 11:82. [PMID: 31097039 PMCID: PMC6524340 DOI: 10.1186/s13148-019-0659-4] [Citation(s) in RCA: 54] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2019] [Accepted: 03/27/2019] [Indexed: 12/12/2022] Open
Abstract
It is thought that germ cells and preimplantation embryos during development are most susceptible to endogenous and exogenous environmental factors because the epigenome in those cells is undergoing dramatic elimination and reconstruction. Exposure to environmental factors such as nutrition, climate, stress, pathogens, toxins, and even social behavior during gametogenesis and early embryogenesis has been shown to influence disease susceptibility in the offspring. Early-life epigenetic modifications, which determine the expression of genetic information stored in the genome, are viewed as one of the general mechanisms linking prenatal exposure and phenotypic changes later in life. From atmospheric pollution, endocrine-disrupting chemicals to heavy metals, research increasingly suggests that environmental pollutions have already produced significant consequences on human health. Moreover, mounting evidence now links such pollution to relevant modification in the epigenome. The epigenetics diet, referring to a class of bioactive dietary compounds such as isothiocyanates in broccoli, genistein in soybean, resveratrol in grape, epigallocatechin-3-gallate in green tea, and ascorbic acid in fruits, has been shown to modify the epigenome leading to beneficial health outcomes. This review will primarily focus on the causes and consequences of prenatal environment pollution exposure on the epigenome, and the potential protective role of the epigenetics diet, which could play a central role in neutralizing epigenomic aberrations against environmental pollutions.
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Affiliation(s)
- Shizhao Li
- Department of Biology, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Min Chen
- Department of Pharmacology and Toxicology, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Yuanyuan Li
- Department of Pharmacology and Toxicology, University of Alabama at Birmingham, Birmingham, AL, USA.
- Comprehensive Cancer Center, University of Alabama at Birmingham, Birmingham, AL, USA.
- Nutrition Obesity Research Center, University of Alabama at Birmingham, Birmingham, AL, USA.
| | - Trygve O Tollefsbol
- Department of Biology, University of Alabama at Birmingham, Birmingham, AL, USA.
- Comprehensive Cancer Center, University of Alabama at Birmingham, Birmingham, AL, USA.
- Nutrition Obesity Research Center, University of Alabama at Birmingham, Birmingham, AL, USA.
- Comprehensive Center for Healthy Aging, University of Alabama at Birmingham, Birmingham, AL, USA.
- Comprehensive Diabetes Center, University of Alabama at Birmingham, Birmingham, AL, USA.
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14
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Li W, Li L, Zhang S, Zhang C, Huang H, Li Y, Hu E, Deng G, Guo S, Wang Y, Li W, Chen L. Identification of potential genes for human ischemic cardiomyopathy based on RNA-Seq data. Oncotarget 2018; 7:82063-82073. [PMID: 27852050 PMCID: PMC5347674 DOI: 10.18632/oncotarget.13331] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2016] [Accepted: 10/07/2016] [Indexed: 12/30/2022] Open
Abstract
Ischemic cardiomyopathy (ICM) is an important cause of heart failure, yet no ICM disease genes were stored in any public databases. Mutations of genes provided by RNA-Seq data could set a foundation for a variety of biological processes. This also made it possible to elucidate the mechanism and identify potential genes for ICM. In this paper, an integrated co-expression network was constructed using univariate and bivariate canonical correlation analysis for RNA-Seq data of human ICM samples. Three ICM-related modules were recognized after comparing between Pearson correlation coefficients of ICM samples and normal controls. Furthermore, 32 ICM potential genes were identified from ICM-related modules considering protein-protein interactions. Most of these genes were verified to be involved in ICM and diseases caused it by OMIM and literature. Our study could provide a novel perspective for potential gene identification and the pathogenesis for ICM and other complex diseases.
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Affiliation(s)
- Wan Li
- College of Bioinformatics Science and Technology, Harbin Medical University, Harbin, Heilongjiang, China
| | - Liansheng Li
- College of Bioinformatics Science and Technology, Harbin Medical University, Harbin, Heilongjiang, China
| | - Shiying Zhang
- College of Bioinformatics Science and Technology, Harbin Medical University, Harbin, Heilongjiang, China
| | - Ce Zhang
- Department of internal medicine, Heilongjiang Commercial Hospital, Harbin, Heilongjiang, China
| | - Hao Huang
- College of Bioinformatics Science and Technology, Harbin Medical University, Harbin, Heilongjiang, China
| | - Yiran Li
- College of Bioinformatics Science and Technology, Harbin Medical University, Harbin, Heilongjiang, China
| | - Erqiang Hu
- College of Bioinformatics Science and Technology, Harbin Medical University, Harbin, Heilongjiang, China
| | - Gui Deng
- College of Bioinformatics Science and Technology, Harbin Medical University, Harbin, Heilongjiang, China
| | - Shanshan Guo
- College of Bioinformatics Science and Technology, Harbin Medical University, Harbin, Heilongjiang, China
| | - Yahui Wang
- College of Bioinformatics Science and Technology, Harbin Medical University, Harbin, Heilongjiang, China
| | - Weimin Li
- Department of Cardiology, the First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China
| | - Lina Chen
- College of Bioinformatics Science and Technology, Harbin Medical University, Harbin, Heilongjiang, China
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15
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Abstract
Chemopreventive activity of selenium (Se) may influence epigenome. In this review, we have discussed two aspects of Se and epigenetics in cancer, related to (1) the association between Se and epigenetic regulation in cancer development and prevention; (2) epigenetic modification of selenoprotein-encoding genes in different cancers. In both issues, we focused on DNA methylation as the most investigated epigenetic mechanism. The existing evidence from experimental data in human cancer cell lines, rodents, and human studies in cancer-free subjects indicates that: high Se exposure leads to the inhibition of DNA methyltransferase expression/activity; the association between Se and global methylation remains unclear and requires further investigation with respect to the underlying mechanisms and possible nonlinear character of this relationship; Se affects methylation of specific tumor suppressor genes, possibly in a sex-dependent manner; and cancer phenotype is often characterized by altered methylation of selenoprotein-encoding genes, mainly glutathione peroxidase 3.
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Affiliation(s)
- Ewa Jabłońska
- Nofer Institute of Occupational Medicine, Lodz, Poland.
| | - Edyta Reszka
- Nofer Institute of Occupational Medicine, Lodz, Poland
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16
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Ramos-Lopez O, Milagro FI, Allayee H, Chmurzynska A, Choi MS, Curi R, De Caterina R, Ferguson LR, Goni L, Kang JX, Kohlmeier M, Marti A, Moreno LA, Pérusse L, Prasad C, Qi L, Reifen R, Riezu-Boj JI, San-Cristobal R, Santos JL, Martínez JA. Guide for Current Nutrigenetic, Nutrigenomic, and Nutriepigenetic Approaches for Precision Nutrition Involving the Prevention and Management of Chronic Diseases Associated with Obesity. JOURNAL OF NUTRIGENETICS AND NUTRIGENOMICS 2017; 10:43-62. [PMID: 28689206 DOI: 10.1159/000477729] [Citation(s) in RCA: 90] [Impact Index Per Article: 12.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Chronic diseases, including obesity, are major causes of morbidity and mortality in most countries. The adverse impacts of obesity and associated comorbidities on health remain a major concern due to the lack of effective interventions for prevention and management. Precision nutrition is an emerging therapeutic approach that takes into account an individual's genetic and epigenetic information, as well as age, gender, or particular physiopathological status. Advances in genomic sciences are contributing to a better understanding of the role of genetic variants and epigenetic signatures as well as gene expression patterns in the development of diverse chronic conditions, and how they may modify therapeutic responses. This knowledge has led to the search for genetic and epigenetic biomarkers to predict the risk of developing chronic diseases and personalizing their prevention and treatment. Additionally, original nutritional interventions based on nutrients and bioactive dietary compounds that can modify epigenetic marks and gene expression have been implemented. Although caution must be exercised, these scientific insights are paving the way for the design of innovative strategies for the control of chronic diseases accompanying obesity. This document provides a number of examples of the huge potential of understanding nutrigenetic, nutrigenomic, and nutriepigenetic roles in precision nutrition.
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Affiliation(s)
- Omar Ramos-Lopez
- Department of Molecular Biology in Medicine, Civil Hospital of Guadalajara "Fray Antonio Alcalde" and Health Sciences University Center, University of Guadalajara, Guadalajara, Mexico
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17
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Mao S, Gu T, Zhong F, Fan R, Zhu F, Ren P, Yin F, Zhang L. Hypomethylation of the Toll-like receptor-2 gene increases the risk of essential hypertension. Mol Med Rep 2017; 16:964-970. [PMID: 28560381 DOI: 10.3892/mmr.2017.6653] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2016] [Accepted: 03/13/2017] [Indexed: 11/06/2022] Open
Abstract
Studies on the etiology of essential hypertension (EH) have demonstrated that chronic inflammation contributes to the onset and development of elevated blood pressure. Toll‑like receptors (TLRs), important immune receptors, serve a role in chronic inflammation and are associated with EH. In the present study, 96 patients with EH, and 96 age‑ and sex‑matched healthy controls were recruited, and eight cytosine‑phosphate‑guanine (CpG) dinucleotides (CpG1‑8) were analyzed using bisulfite pyrosequencing technology. It was observed that the methylation levels of all of the eight CpG dinucleotides were decreased in the EH group compared with the control group; however, only CpG1 (2.83±1.34 vs. 3.44±1.75; P=0.009), CpG6 (3.58±3.64 vs. 8.30±4.13; P<0.001) and CpG8 (8.91±5.32 vs. 11.33±3.87; P<0.001) were significantly different, as demonstrated by paired t‑test analysis. In addition, logistic regression analysis demonstrated that CpG6 hypomethylation was a risk factor of EH (odds ratio=1.10; adjusted P=0.009), and CpG6 methylation level was observed to be negatively correlated with systolic blood pressure (r=‑0.304; P<0.001) and diastolic blood pressure (r=‑0.329; P<0.001). Additionally, receiver operating characteristic curve analysis demonstrated that a methylation level of 7.5% for CpG6 (area under the curve, 0.834; P<0.001) was an appropriate threshold value to predict the risk of EH. With generalized multifactor dimensionality reduction, a potential gene‑gene interaction between CpG6 and CpG8 (P=0.001), and gene‑environment interactions between smoking, alcohol consumption, CpG6, CpG7 and CpG8 (P=0.011), were observed. In conclusion, the results of the present study demonstrated that hypomethylation of the TLR2 promoter, particularly CpG6, was associated with the risk of EH in this population. Additionally, a gene‑gene interaction between CpG6 and CpG8, and interactions between environmental factors, including smoking and alcohol consumption, and CpG6, CpG7 and CpG8, may be associated with the risk of EH.
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Affiliation(s)
- Shuqi Mao
- Department of Preventive Medicine, Zhejiang Provincial Key Laboratory of Pathophysiology, School of Medicine, Ningbo University, Ningbo, Zhejiang 315211, P.R. China
| | - Tianlun Gu
- Department of Preventive Medicine, Zhejiang Provincial Key Laboratory of Pathophysiology, School of Medicine, Ningbo University, Ningbo, Zhejiang 315211, P.R. China
| | - Fade Zhong
- The Central Blood Station of Ningbo, Ningbo, Zhejiang 315211, P.R. China
| | - Rui Fan
- Department of Preventive Medicine, Zhejiang Provincial Key Laboratory of Pathophysiology, School of Medicine, Ningbo University, Ningbo, Zhejiang 315211, P.R. China
| | - Fubao Zhu
- Health and Family Planning Commission of Zhenhai, Ningbo, Zhejiang 315211, P.R. China
| | - Peipei Ren
- Clinical Laboratory, Baizhang Street Community Health Service Center of JiangDong, Ningbo, Zhejiang 315211, P.R. China
| | - Fengying Yin
- Clinical Laboratory, The First Hospital of Ningbo, Ningbo, Zhejiang 315010, P.R. China
| | - Lina Zhang
- Department of Preventive Medicine, Zhejiang Provincial Key Laboratory of Pathophysiology, School of Medicine, Ningbo University, Ningbo, Zhejiang 315211, P.R. China
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18
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Abstract
Alterations of epigenetic marks are linked to normal development and cellular differentiation as well as to the progression of common chronic diseases. The plasticity of these marks provides potential for disease therapies and prevention strategies. Macro- and micro-nutrients have been shown to modulate disease risk in part via effects on the epigenome. The essential micronutrient selenium affects human health outcomes, e.g., cancers, cardiovascular and autoimmune diseases, via selenoproteins and through a range of biologically active dietary selenocompounds and metabolism products thereof. This review provides an assessment of the current literature regarding epigenetic effects of dietary and synthetic selenocompounds, which include the modulation of marks and editors of epigenetic information and interference with one-carbon metabolism, which provides the methyl donor for DNA methylation. The relevance of a selenium-epigenome interaction for human health is discussed, and we also indicate where future studies will be helpful to gain a deeper understanding of epigenetic effects elicited by selenium.
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Affiliation(s)
- Bodo Speckmann
- a German Institute of Human Nutrition Potsdam-Rehbruecke ; Department of Molecular Toxicology ; Nuthetal , Germany
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19
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Tsuji PA, Carlson BA, Anderson CB, Seifried HE, Hatfield DL, Howard MT. Dietary Selenium Levels Affect Selenoprotein Expression and Support the Interferon-γ and IL-6 Immune Response Pathways in Mice. Nutrients 2015; 7:6529-49. [PMID: 26258789 PMCID: PMC4555136 DOI: 10.3390/nu7085297] [Citation(s) in RCA: 53] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2015] [Revised: 07/23/2015] [Accepted: 07/28/2015] [Indexed: 12/11/2022] Open
Abstract
Selenium is an essential element that is required to support a number of cellular functions and biochemical pathways. The objective of this study was to examine the effects of reduced dietary selenium levels on gene expression to assess changes in expression of non-selenoprotein genes that may contribute to the physiological consequences of selenium deficiency. Mice were fed diets that were either deficient in selenium or supplemented with selenium in the form of sodium selenite for six weeks. Differences in liver mRNA expression and translation were measured using a combination of ribosome profiling, RNA-Seq, microarrays, and qPCR. Expression levels and translation of mRNAs encoding stress-related selenoproteins were shown to be up-regulated by increased selenium status, as were genes involved in inflammation and response to interferon-γ. Changes in serum cytokine levels were measured which confirmed that interferon-γ, as well as IL-6, were increased in selenium adequate mice. Finally, microarray and qPCR analysis of lung tissue demonstrated that the selenium effects on immune function are not limited to liver. These data are consistent with previous reports indicating that adequate selenium levels can support beneficial immune responses, and further identify the IL-6 and interferon-γ pathways as being responsive to dietary selenium intake.
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Affiliation(s)
- Petra A Tsuji
- Department of Biological Sciences, Towson University, Towson, MD, 21252, USA.
| | - Bradley A Carlson
- Molecular Biology of Selenium Section, Mouse Cancer Genetics Program, Center for Cancer Research, National Institutes of Health, Bethesda, MD, 20892, USA.
| | | | - Harold E Seifried
- Nutritional Science Research Group, National Cancer Institute, Rockville, MD, 20892, USA.
| | - Dolph L Hatfield
- Molecular Biology of Selenium Section, Mouse Cancer Genetics Program, Center for Cancer Research, National Institutes of Health, Bethesda, MD, 20892, USA.
| | - Michael T Howard
- Human Genetics, University of Utah, Salt Lake City, UT, 84112, USA.
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20
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Chango A, Pogribny IP. Considering maternal dietary modulators for epigenetic regulation and programming of the fetal epigenome. Nutrients 2015; 7:2748-70. [PMID: 25875118 PMCID: PMC4425171 DOI: 10.3390/nu7042748] [Citation(s) in RCA: 85] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2014] [Revised: 02/16/2015] [Accepted: 03/19/2015] [Indexed: 12/21/2022] Open
Abstract
Fetal life is characterized by a tremendous plasticity and ability to respond to various environmental and lifestyle factors, including maternal nutrition. Identification of the role of dietary factors that can modulate and reshape the cellular epigenome during development, including methyl group donors (e.g., folate, choline) and bioactive compounds (e.g., polyphenols) is of great importance; however, there is insufficient knowledge of a particular effect of each type of modulator and/or their combination on fetal life. To enhance the quality and safety of food products for proper fetal health and disease prevention in later life, a better understanding of the underlying mechanisms of dietary epigenetic modulators during the critical prenatal period is necessary. This review focuses on the influence of maternal dietary components on DNA methylation, histone modification, and microRNAs, and summarizes current knowledge of the effect and importance of dietary components on epigenetic mechanisms that control the proper expression of genetic information. Evidence reveals that some components in the maternal diet can directly or indirectly affect epigenetic mechanisms. Understanding the underlying mechanisms of how early-life nutritional environment affects the epigenome during development is of great importance for the successful prevention of adult chronic diseases through optimal maternal nutrition.
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Affiliation(s)
- Abalo Chango
- Polytechnic Institute LaSalle Beauvais, Department of Nutrition and Health Sciences, EGEAL UP:2012.10.101, F-60026 Beauvais Cedex, France.
| | - Igor P Pogribny
- Division of Biochemical Toxicology, Food and Drug Administration National Center for Toxicological Research, Jefferson, AR 72079, USA.
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21
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Sun Q, Zhang J, Zhou N, Liu X, Shen Y. DNA methylation in Cosmc promoter region and aberrantly glycosylated IgA1 associated with pediatric IgA nephropathy. PLoS One 2015; 10:e0112305. [PMID: 25647400 PMCID: PMC4315396 DOI: 10.1371/journal.pone.0112305] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2014] [Accepted: 09/16/2014] [Indexed: 12/31/2022] Open
Abstract
IgA nephropathy (IgAN) is one of the most common glomerular diseases leading to end-stage renal failure. Elevation of aberrantly glycosylated IgA1 is a key feature of it. The expression of the specific molecular chaperone of core1ß1, 3galactosyl transferase (Cosmc) is known to be reduced in IgAN. We aimed to investigate whether the methylation of CpG islands of Cosmc gene promoter region could act as a possible mechanism responsible for down-regulation of Cosmc and related higher secretion of aberrantly glycosylated IgA1in lymphocytes from children with IgA nephropathy. Three groups were included: IgAN children (n = 26), other renal diseases (n = 11) and healthy children (n = 13). B-lymphocytes were isolated and cultured, treated or not with IL-4 or 5-Aza-2’-deoxycytidine (AZA). The levels of DNA methylation of Cosmc promotor region were not significantly different between the lymphocytes of the three children populations (P = 0.113), but there were significant differences between IgAN lymphocytes and lymphocytes of the other two children populations after IL-4 (P<0.0001) or AZA (P<0.0001). Cosmc mRNA expression was low in IgAN lymphocytes compared to the other two groups (P<0.0001). The level of aberrantly glycosylated IgA1 was markedly higher in IgAN group compared to the other groups (P<0.0001). After treatment with IL-4, the levels of Cosmc DNA methylation and aberrantly glycosylated IgA1 in IgAN lymphocytes were remarkably higher than the other two groups (P<0.0001) with more markedly decreased Cosmc mRNA content (P<0.0001). After treatment with AZA, the levels in IgAN lymphocytes were decreased, but was still remarkably higher than the other two groups (P<0.0001), while Cosmc mRNA content in IgAN lymphocytes were more markedly increased than the other two groups (P<0.0001). The alteration of DNA methylation by IL-4 or AZA specifically correlates in IgAN lymphocytes with alterations in Cosmc mRNA expression and with the level of aberrantly glycosylated IgA1 (r = −0.948, r = 0. 707). Our results suggested that hypermethylation of Cosmc promoter region could be a key mechanism for the reduction of Cosmc mRNA expression in IgAN lymphocytes with associated increase in aberrantly glycosylated IgA1.
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Affiliation(s)
- Qiang Sun
- Department of nephrology, Beijing Children’s Hospital, Capital Medical University, Beijing, China
| | - Jianqian Zhang
- Institute of Infectious Diseases, Beijing Ditan Hospital, Capital Medical University, Beijing, China
| | - Nan Zhou
- Department of nephrology, Beijing Children’s Hospital, Capital Medical University, Beijing, China
| | - Xiaorong Liu
- Department of nephrology, Beijing Children’s Hospital, Capital Medical University, Beijing, China
| | - Ying Shen
- Department of nephrology, Beijing Children’s Hospital, Capital Medical University, Beijing, China
- * E-mail:
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22
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Oropeza-Moe M, Wisløff H, Bernhoft A. Selenium deficiency associated porcine and human cardiomyopathies. J Trace Elem Med Biol 2015; 31:148-56. [PMID: 25456335 DOI: 10.1016/j.jtemb.2014.09.011] [Citation(s) in RCA: 61] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/02/2014] [Revised: 08/13/2014] [Accepted: 09/04/2014] [Indexed: 02/07/2023]
Abstract
Selenium (Se) is a trace element playing an important role in animal and human physiological homeostasis. It is a key component in selenoproteins (SeP) exerting multiple actions on endocrine, immune, inflammatory and reproductive processes. The SeP family of glutathione peroxidases (GSH-Px) inactivates peroxides and thereby maintains physiological muscle function in humans and animals. Animals with high feed conversion efficiency and substantial muscle mass have shown susceptibility to Se deficiency related diseases since nutritional requirements of the organism may not be covered. Mulberry Heart Disease (MHD) in pigs is an important manifestation of Se deficiency often implicating acute heart failure and sudden death without prior clinical signs. Post-mortem findings include hemorrhagic and pale myocardial areas accompanied by fluid accumulation in the pericardial sac and pleural cavity. Challenges in MHD are emerging in various parts of the world. Se is of fundamental importance also to human health. In the 1930s the Se deficiency associated cardiomyopathy named Keshan Disease (KD) was described for the first time in China. Various manifestations, such as cardiogenic shock, enlarged heart, congestive heart failure, and cardiac arrhythmias are common. Multifocal necrosis and fibrous replacement of myocardium are characteristic findings. Pathological findings in MD and KD show striking similarities.
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Affiliation(s)
- Marianne Oropeza-Moe
- Norwegian University of Life Sciences, Faculty of Veterinary Medicine and Biosciences, Department of Production Animal Clinical Sciences, Kyrkjevegen 332-334, 4325 Sandnes, Norway.
| | - Helene Wisløff
- Norwegian Veterinary Institute, Department of Laboratory Services, Postbox 750 Sentrum, NO-0106 Oslo, Norway
| | - Aksel Bernhoft
- Norwegian Veterinary Institute, Department of Health Surveillance, Postbox 750 Sentrum, NO-0106 Oslo, Norway
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23
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Bermingham EN, Hesketh JE, Sinclair BR, Koolaard JP, Roy NC. Selenium-enriched foods are more effective at increasing glutathione peroxidase (GPx) activity compared with selenomethionine: a meta-analysis. Nutrients 2014; 6:4002-31. [PMID: 25268836 PMCID: PMC4210904 DOI: 10.3390/nu6104002] [Citation(s) in RCA: 55] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2014] [Revised: 08/20/2014] [Accepted: 08/21/2014] [Indexed: 12/27/2022] Open
Abstract
Selenium may play a beneficial role in multi-factorial illnesses with genetic and environmental linkages via epigenetic regulation in part via glutathione peroxidase (GPx) activity. A meta-analysis was undertaken to quantify the effects of dietary selenium supplementation on the activity of overall GPx activity in different tissues and animal species and to compare the effectiveness of different forms of dietary selenium. GPx activity response was affected by both the dose and form of selenium (p < 0.001). There were differences between tissues on the effects of selenium supplementation on GPx activity (p < 0.001); however, there was no evidence in the data of differences between animal species (p = 0.95). The interactions between dose and tissue, animal species and form were significant (p < 0.001). Tissues particularly sensitive to changes in selenium supply include red blood cells, kidney and muscle. The meta-analysis identified that for animal species selenium-enriched foods were more effective than selenomethionine at increasing GPx activity.
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Affiliation(s)
- Emma N Bermingham
- Food Nutrition & Health, Food & Bio-based Products, AgResearch Grasslands, Private Bag 11008, Tennent Drive, Palmerston North 4442, New Zealand.
| | - John E Hesketh
- Institute for Cell & Molecular Biosciences, University of Newcastle upon Tyne, Newcastle NE2 4HH, UK.
| | - Bruce R Sinclair
- Food Nutrition & Health, Food & Bio-based Products, AgResearch Grasslands, Private Bag 11008, Tennent Drive, Palmerston North 4442, New Zealand.
| | - John P Koolaard
- Bioinformatics & Statistics AgResearch Grasslands, Private Bag 11008, Tennent Drive, Palmerston North 4442, New Zealand.
| | - Nicole C Roy
- Food Nutrition & Health, Food & Bio-based Products, AgResearch Grasslands, Private Bag 11008, Tennent Drive, Palmerston North 4442, New Zealand.
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