51
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Roffel MP, Bracke KR, Heijink IH, Maes T. miR-223: A Key Regulator in the Innate Immune Response in Asthma and COPD. Front Med (Lausanne) 2020; 7:196. [PMID: 32509795 PMCID: PMC7249736 DOI: 10.3389/fmed.2020.00196] [Citation(s) in RCA: 49] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2020] [Accepted: 04/23/2020] [Indexed: 12/13/2022] Open
Abstract
Asthma and Chronic Obstructive Pulmonary Disease (COPD) are chronic obstructive respiratory diseases characterized by airway obstruction, inflammation, and remodeling. Recent findings indicate the importance of microRNAs (miRNAs) in the regulation of pathological processes involved in both diseases. MiRNAs have been implicated in a wide array of biological processes, such as inflammation, cell proliferation, differentiation, and death. MiR-223 is one of the miRNAs that is thought to play a role in obstructive lung disease as altered expression levels have been observed in both asthma and COPD. MiR-223 is a hematopoietic cell–derived miRNA that plays a role in regulation of monocyte-macrophage differentiation, neutrophil recruitment, and pro-inflammatory responses and that can be transferred to non-myeloid cells via extracellular vesicles or lipoproteins. In this translational review, we highlight the role of miR-223 in obstructive respiratory diseases, focusing on expression data in clinical samples of asthma and COPD, in vivo experiments in mouse models and in vitro functional studies. Furthermore, we provide an overview of the mechanisms by which miR-223 regulates gene expression. We specifically focus on immune cell development and activation and involvement in immune responses, which are important in asthma and COPD. Collectively, this review demonstrates the importance of miR-223 in obstructive respiratory diseases and explores its therapeutic potential in the pathogenesis of asthma and COPD.
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Affiliation(s)
- Mirjam P Roffel
- Laboratory for Translational Research in Obstructive Pulmonary Diseases, Department of Respiratory Medicine, Ghent University Hospital, Ghent University, Ghent, Belgium.,Departments of Pathology and Medical Biology and Pulmonology, Groningen Research Institute for Asthma and COPD, University of Groningen, University Medical Center Groningen, Groningen, Netherlands
| | - Ken R Bracke
- Laboratory for Translational Research in Obstructive Pulmonary Diseases, Department of Respiratory Medicine, Ghent University Hospital, Ghent University, Ghent, Belgium
| | - Irene H Heijink
- Departments of Pathology and Medical Biology and Pulmonology, Groningen Research Institute for Asthma and COPD, University of Groningen, University Medical Center Groningen, Groningen, Netherlands
| | - Tania Maes
- Laboratory for Translational Research in Obstructive Pulmonary Diseases, Department of Respiratory Medicine, Ghent University Hospital, Ghent University, Ghent, Belgium
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52
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Doukas SG, Vageli DP, Lazopoulos G, Spandidos DA, Sasaki CT, Tsatsakis A. The Effect of NNK, A Tobacco Smoke Carcinogen, on the miRNA and Mismatch DNA Repair Expression Profiles in Lung and Head and Neck Squamous Cancer Cells. Cells 2020; 9:E1031. [PMID: 32326378 PMCID: PMC7226174 DOI: 10.3390/cells9041031] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2020] [Revised: 04/04/2020] [Accepted: 04/19/2020] [Indexed: 02/07/2023] Open
Abstract
Tobacco smoking is a common risk factor for lung cancer and head and neck cancer. Molecular changes such as deregulation of miRNA expression have been linked to tobacco smoking in both types of cancer. Dysfunction of the Mismatch DNA repair (MMR) mechanism has also been associated with a poor prognosis of these cancers, while a cross-talk between specific miRNAs and MMR genes has been previously proposed. We hypothesized that exposure of lung and head and neck squamous cancer cells (NCI and FaDu, respectively) to tobacco-specific nitrosamine 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone (NNK) is capable of altering the expression of MSH2 and MLH1, key MMR components, by promoting specific miRNA deregulation. We found that either a low (1 μM) or high (2 μM) dose of NNK induced significant upregulation of "oncomirs" miR-21 and miR-155 and downregulation of "tumor suppressor" miR-422a, as well as the reduction of MMR protein and mRNA expression, in NCI and FaDu, compared to controls. Inhibition of miR-21 restored the NNK-induced reduced MSH2 phenotype in both NCI and FaDu, indicating that miR-21 might contribute to MSH2 regulation. Finally, NNK exposure increased NCI and FaDu survival, promoting cancer cell progression. We provide novel findings that deregulated miR-21, miR-155, and miR-422a and MMR gene expression patterns may be valuable biomarkers for lung and head and neck squamous cell cancer progression in smokers.
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Affiliation(s)
- Sotirios G. Doukas
- Department of Forensic Sciences and Laboratory of Toxicology, Medical School, University of Crete, 71003 Heraklion, Greece; (S.G.D.); (A.T.)
- Department of Surgery, The Yale Larynx Laboratory, New Haven, CT 06510, USA;
| | - Dimitra P. Vageli
- Department of Surgery, The Yale Larynx Laboratory, New Haven, CT 06510, USA;
| | - George Lazopoulos
- Department of Cardiothoracic Surgery, Medical School, University of Crete, 71110 Heraklion, Greece;
| | - Demetrios A. Spandidos
- Laboratory of Clinical Virology, Medical School, University of Crete, 71110 Heraklion, Greece;
| | - Clarence T. Sasaki
- Department of Surgery, The Yale Larynx Laboratory, New Haven, CT 06510, USA;
| | - Aristidis Tsatsakis
- Department of Forensic Sciences and Laboratory of Toxicology, Medical School, University of Crete, 71003 Heraklion, Greece; (S.G.D.); (A.T.)
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53
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Wang L, Shi X, Zheng S, Xu S. Selenium deficiency exacerbates LPS-induced necroptosis by regulating miR-16-5p targeting PI3K in chicken tracheal tissue. Metallomics 2020; 12:562-571. [PMID: 32125337 DOI: 10.1039/c9mt00302a] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Multiple tissue necrosis is one of the morphological features of selenium deficiency-mediated injury. MicroRNA (miRNA) participates in the occurrence and development of necroptosis by regulating target genes. Necroptosis is a programmed form of necrosis, and it is closely related to lipopolysaccharide (LPS)-induced injury. Our aim was to investigate whether Se deficiency can promote tracheal injury caused by LPS through miRNA-induced necroptosis. By establishing models of tracheal injury in Se-deficient chickens, we verified the targeting relationship between chicken-derived miR-16-5p and PI3K through bioinformatics, qRT-PCR and WB analyses, and we measured the changes in the expression of genes related to the PI3K/AKT pathway, RIP3/MLKL pathway and MAPK pathway and of heat shock proteins. Under the condition of Se deficiency, the following results were observed: PI3K/AKT expression decreased with the upregulation of miR-16-5p, the expression of necroptosis-related factors (TNF-α, RIP1, FADD, RIP3 and MLKL) increased, and the expression of Caspase 8 significantly decreased (p < 0.05). Light microscopy observations indicated that cell necrosis was the main pathological change due to Se deficiency injury in the tracheal epithelium. The MAPK pathway was activated, and HSP expression was upregulated, indicating that the MAPK pathway and HSPs are both involved in Se deficiency-mediated necroptosis. In addition, Se deficiency promoted the expression of necroptosis-related genes in LPS-treated chickens (p < 0.05), and the pathological changes of cell necrosis were more obvious. In conclusion, we demonstrated that Se deficiency regulates the miR-16-5p-PI3K/AKT pathway and exacerbates LPS-induced necroptosis in chicken tracheal epithelial cells by activating necroptosis-related genes.
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Affiliation(s)
- Lanqiao Wang
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, P. R. China.
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54
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Khan A, Thatcher TH, Woeller CF, Sime PJ, Phipps RP, Hopke PK, Utell MJ, Krahl PL, Mallon TM, Thakar J. Machine Learning Approach for Predicting Past Environmental Exposures From Molecular Profiling of Post-Exposure Human Serum Samples. J Occup Environ Med 2019; 61 Suppl 12:S55-S64. [PMID: 31800451 PMCID: PMC6897314 DOI: 10.1097/jom.0000000000001692] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
OBJECTIVE To develop an approach for a retrospective analysis of post-exposure serum samples using diverse molecular profiles. METHODS The 236 molecular profiles from 800 de-identified human serum samples from the Department of Defense Serum Repository were classified as smokers or non-smokers based on direct measurement of serum cotinine levels. A machine-learning pipeline was used to classify smokers and non-smokers from their molecular profiles. RESULTS The refined supervised support vector machines with recursive feature elimination predicted smokers and non-smokers with 78% accuracy on the independent held-out set. Several of the identified classifiers of smoking status have previously been reported and four additional miRNAs were validated with experimental tobacco smoke exposure in mice, supporting the computational approach. CONCLUSIONS We developed and validated a pipeline that shows retrospective analysis of post-exposure serum samples can identify environmental exposures.
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Affiliation(s)
- Atif Khan
- Departments of Microbiology and Immunology and Biostatistics and Computational Biology, University of Rochester Medical Center, Rochester, NY 14642
| | - Thomas H. Thatcher
- Department of Medicine, University of Rochester Medical Center, Rochester, NY 14642
| | - Collynn F. Woeller
- Department of Environmental Medicine, University of Rochester Medical Center, Rochester, NY 14642
| | - Patricia J. Sime
- Departments of Medicine, Environmental Medicine, and Microbiology and Immunology, University of Rochester Medical Center, Rochester, NY 14642
| | - Richard P. Phipps
- Departments of Medicine, Environmental Medicine, and Microbiology and Immunology, University of Rochester Medical Center, Rochester, NY 14642
| | - Philip K. Hopke
- Department of Public Health Sciences, University of Rochester Medical Center, Rochester, NY 14642
- Center for Air Resources Engineering and Science, Clarkson University, Potsdam, NY 13699
| | - Mark J. Utell
- Departments of Medicine and Environmental Medicine, University of Rochester Medical Center, Rochester, NY 14642
| | - Pamela L. Krahl
- Department of Preventive Medicine and Biostatistics, Uniformed Services University of the Health Sciences, Bethesda, MD 20814
| | - Timothy M. Mallon
- Department of Preventive Medicine and Biostatistics, Uniformed Services University of the Health Sciences, Bethesda, MD 20814
| | - Juilee Thakar
- Departments of Microbiology and Immunology and Biostatistics and Computational Biology, University of Rochester Medical Center, Rochester, NY 14642
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55
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The role of epigenetics in respiratory health in urban populations in low and middle-income countries. GLOBAL HEALTH EPIDEMIOLOGY AND GENOMICS 2019; 4:e8. [PMID: 32047643 PMCID: PMC6983949 DOI: 10.1017/gheg.2019.7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
As urbanization increases in low- and middle-income countries (LMICs), urban populations will be increasingly exposed to a range of environmental risk factors for non-communicable diseases. Inadequate living conditions in urban settings may influence mechanisms that regulate gene expression, leading to the development of non-communicable respiratory diseases. We conducted a systematic review of the literature to assess the relationship between respiratory health and epigenetic factors to urban environmental exposures observed in LMICs using MEDLINE, PubMed, EMBASE, and Google Scholar searching a combination of the terms: epigenetics, chronic respiratory diseases (CRDs), lung development, chronic obstructive airway disease, and asthma. A total of 2835 articles were obtained, and 48 articles were included in this review. We found that environmental factors during early development are related to epigenetic effects that may be associated with a higher risk of CRDs. Epigenetic dysregulation of gene expression of the histone deacetylase (HDAC) and histone acetyltransferase gene families was likely involved in lung health of slum dwellers. Respiratory-related environmental exposures influence HDAC function and deoxyribonucleic acid methylation and are important risk factors in the development of CRD. Additional epigenetic research is needed to improve our understanding of associations between environmental exposures and non-communicable respiratory diseases.
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56
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microRNAs Are Key Regulators in Chronic Lung Disease: Exploring the Vital Link between Disease Progression and Lung Cancer. J Clin Med 2019; 8:jcm8111986. [PMID: 31731655 PMCID: PMC6912590 DOI: 10.3390/jcm8111986] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2019] [Accepted: 11/06/2019] [Indexed: 12/19/2022] Open
Abstract
microRNAs (miRNAs) bind to mRNAs and inhibit their expression through post-transcriptionally regulating gene expression. Here, we elaborate upon the concise summary of the role of miRNAs in carcinogenesis with specific attention to precursor respiratory pathogenesis caused by cigarette smoke modulation of these miRNAs. We review how miRNAs are implicated in cigarette-smoke-driven mechanisms, such as epithelial to mesenchymal transition, autophagy modulation, and lung ageing, which are important in the development of chronic obstructive pulmonary disease and potential progression to lung cancer. Extracellular vesicles are key to inter-cellular communication and sharing of miRNAs. A deeper understanding of the role of miRNAs in chronic respiratory disease and their use as clinical biomarkers has great potential. Therapeutic targeting of miRNAs may significantly benefit the prevention of cancer progression.
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57
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Zong D, Liu X, Li J, Ouyang R, Chen P. The role of cigarette smoke-induced epigenetic alterations in inflammation. Epigenetics Chromatin 2019; 12:65. [PMID: 31711545 PMCID: PMC6844059 DOI: 10.1186/s13072-019-0311-8] [Citation(s) in RCA: 90] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2019] [Accepted: 10/23/2019] [Indexed: 12/19/2022] Open
Abstract
Background Exposure to cigarette smoke (CS) is a major threat to human health worldwide. It is well established that smoking increases the risk of respiratory diseases, cardiovascular diseases and different forms of cancer, including lung, liver, and colon. CS-triggered inflammation is considered to play a central role in various pathologies by a mechanism that stimulates the release of pro-inflammatory cytokines. During this process, epigenetic alterations are known to play important roles in the specificity and duration of gene transcription. Main text Epigenetic alterations include three major modifications: DNA modifications via methylation; various posttranslational modifications of histones, namely, methylation, acetylation, phosphorylation, and ubiquitination; and non-coding RNA sequences. These modifications work in concert to regulate gene transcription in a heritable fashion. The enzymes that regulate these epigenetic modifications can be activated by smoking, which further mediates the expression of multiple inflammatory genes. In this review, we summarize the current knowledge on the epigenetic alterations triggered by CS and assess how such alterations may affect smoking-mediated inflammatory responses. Conclusion The recognition of the molecular mechanisms of the epigenetic changes in abnormal inflammation is expected to contribute to the understanding of the pathophysiology of CS-related diseases such that novel epigenetic therapies may be identified in the near future.
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Affiliation(s)
- Dandan Zong
- Department of Respiratory and Critical Care Medicine, The Second Xiangya Hospital, Central South University, Changsha, 410011, Hunan, China.,Research Unit of Respiratory Disease, Central South University, Changsha, 410011, Hunan, China
| | - Xiangming Liu
- Department of Respiratory and Critical Care Medicine, The Second Xiangya Hospital, Central South University, Changsha, 410011, Hunan, China.,Research Unit of Respiratory Disease, Central South University, Changsha, 410011, Hunan, China
| | - Jinhua Li
- Department of Respiratory and Critical Care Medicine, The Second Xiangya Hospital, Central South University, Changsha, 410011, Hunan, China.,Research Unit of Respiratory Disease, Central South University, Changsha, 410011, Hunan, China
| | - Ruoyun Ouyang
- Department of Respiratory and Critical Care Medicine, The Second Xiangya Hospital, Central South University, Changsha, 410011, Hunan, China.,Research Unit of Respiratory Disease, Central South University, Changsha, 410011, Hunan, China
| | - Ping Chen
- Department of Respiratory and Critical Care Medicine, The Second Xiangya Hospital, Central South University, Changsha, 410011, Hunan, China. .,Research Unit of Respiratory Disease, Central South University, Changsha, 410011, Hunan, China.
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58
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Sundar IK, Li D, Rahman I. Small RNA-sequence analysis of plasma-derived extracellular vesicle miRNAs in smokers and patients with chronic obstructive pulmonary disease as circulating biomarkers. J Extracell Vesicles 2019; 8:1684816. [PMID: 31762962 PMCID: PMC6848892 DOI: 10.1080/20013078.2019.1684816] [Citation(s) in RCA: 96] [Impact Index Per Article: 19.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2019] [Revised: 09/24/2019] [Accepted: 10/20/2019] [Indexed: 12/12/2022] Open
Abstract
Extracellular vesicles (EVs) play a vital role in normal lung physiology to maintain homeostasis in the airways via intercellular communication. EVs include exosomes and microvesicles, and are characterized by their phospholipid bilayers. EVs have been recognized as novel circulating biomarkers of disease, which are released by different cell types. In this study, we used different EV isolation and purification methods to characterize the plasma-derived EV miRNAs from non-smokers, smokers and patients with COPD. A small RNA sequencing (RNA-seq) approach was adapted to identify novel circulating EV miRNAs. We found that plasma-derived EVs from non-smokers, smokers and patients with COPD vary in their size, concentration, distribution and phenotypic characteristics as confirmed by nanoparticle tracking analysis, transmission electron microscopy, and immunoblot analysis of EV surface markers. RNA-seq analysis confirmed the most abundant types of small RNAs, such as miRNAs, tRNAs, piRNAs snRNAs, snoRNAs and other biotypes in plasma-derived EVs. We mainly focused on miRNAs as novel biomarkers in smokers and patients with COPD for further analysis. Differential expression by DESeq2 identified distinct miRNA profiles (up-regulated: miR-22-3p, miR-99a-5p, miR-151a-5p, miR-320b, miR-320d; and down-regulated: miR-335-5p, miR-628-3p, miR-887-5p and miR-937-3p) in COPD versus smokers or non-smokers in a pairwise comparison. Gene set enrichment analysis (GSEA) of differentially expressed miRNAs revealed the top pathways, gene ontology and diseases associated with smokers and patients with COPD. We selectively validated miRNAs in EVs isolated from BEAS-2B cells treated with cigarette smoke extract by quantitative PCR analysis. For the first time, we report that plasma-derived EV miRNAs are novel circulating pulmonary disease biomarkers. Thus, molecular profiling of EV miRNAs has great translational potential for the development of biomarkers that may be used in the diagnosis, prognosis, and therapeutics of COPD.
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Affiliation(s)
- Isaac Kirubakaran Sundar
- Department of Environmental Medicine, University of Rochester Medical Center, Rochester, NY, USA
| | - Dongmei Li
- Department of Clinical & Translational Research, University of Rochester Medical Center, Rochester, NY, USA
| | - Irfan Rahman
- Department of Environmental Medicine, University of Rochester Medical Center, Rochester, NY, USA
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59
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Zhou G. Tobacco, air pollution, environmental carcinogenesis, and thoughts on conquering strategies of lung cancer. Cancer Biol Med 2019; 16:700-713. [PMID: 31908889 PMCID: PMC6936241 DOI: 10.20892/j.issn.2095-3941.2019.0180] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2019] [Accepted: 07/08/2019] [Indexed: 12/15/2022] Open
Abstract
Each year there will be an estimated 2.1 million new lung cancer cases and 1.8 million lung cancer deaths worldwide. Tobacco smoke is the No.1 risk factors of lung cancer, accounting for > 85% lung cancer deaths. Air pollution, or haze, comprises ambient air pollution and household air pollution, which are reported to cause 252,000 and 304,000 lung cancer deaths each year, respectively. Tobacco smoke and haze (hereafter, smohaze) contain fine particles originated from insufficient combustion of biomass or coal, have quite similar carcinogens, and cause similar diseases. Smohaze exert hazardous effects on exposed populations, including induction of a large amount of mutations in the genome, alternative splicing of mRNAs, abnormalities in epigenomics, initiation of tumor-promoting chronic inflammation, and facilitating immune escape of transformed cells. Tackling smohaze and development of multi-targets-based preventive and therapeutic approaches targeting smohaze-induced carcinogenesis are the key to conquer lung cancer in the future.
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Affiliation(s)
- Guangbiao Zhou
- State Key Laboratory of Molecular Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China
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60
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Ong J, van den Berg A, Faiz A, Boudewijn IM, Timens W, Vermeulen CJ, Oliver BG, Kok K, Terpstra MM, van den Berge M, Brandsma CA, Kluiver J. Current Smoking is Associated with Decreased Expression of miR-335-5p in Parenchymal Lung Fibroblasts. Int J Mol Sci 2019; 20:ijms20205176. [PMID: 31635387 PMCID: PMC6829537 DOI: 10.3390/ijms20205176] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2019] [Revised: 09/22/2019] [Accepted: 10/16/2019] [Indexed: 02/07/2023] Open
Abstract
Cigarette smoking causes lung inflammation and tissue damage. Lung fibroblasts play a major role in tissue repair. Previous studies have reported smoking-associated changes in fibroblast responses and methylation patterns. Our aim was to identify the effect of current smoking on miRNA expression in primary lung fibroblasts. Small RNA sequencing was performed on lung fibroblasts from nine current and six ex-smokers with normal lung function. MiR-335-5p and miR-335-3p were significantly downregulated in lung fibroblasts from current compared to ex-smokers (false discovery rate (FDR) <0.05). Differential miR-335-5p expression was validated with RT-qPCR (p-value = 0.01). The results were validated in lung tissue from current and ex-smokers and in bronchial biopsies from non-diseased smokers and never-smokers (p-value <0.05). The methylation pattern of the miR-335 host gene, determined by methylation-specific qPCR, did not differ between current and ex-smokers. To obtain insights into the genes regulated by miR-335-5p in fibroblasts, we overlapped all proven miR-335-5p targets with our previously published miRNA targetome data in lung fibroblasts. This revealed Rb1, CARF, and SGK3 as likely targets of miR-335-5p in lung fibroblasts. Our study indicates that miR-335-5p downregulation due to current smoking may affect its function in lung fibroblasts by targeting Rb1, CARF and SGK3.
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Affiliation(s)
- Jennie Ong
- University of Groningen, University Medical Center Groningen, Department of Pathology and Medical Biology, 9713 GZ Groningen, The Netherlands.
- University of Groningen, University Medical Center Groningen, Groningen Research Institute for Asthma and COPD (GRIAC), 9713 GZ Groningen, The Netherlands.
| | - Anke van den Berg
- University of Groningen, University Medical Center Groningen, Department of Pathology and Medical Biology, 9713 GZ Groningen, The Netherlands.
| | - Alen Faiz
- University of Groningen, University Medical Center Groningen, Groningen Research Institute for Asthma and COPD (GRIAC), 9713 GZ Groningen, The Netherlands.
- University of Groningen, University Medical Center Groningen, Department of Pulmonary Diseases, 9713 GZ Groningen, The Netherlands.
- University of Technology Sydney, Respiratory Bioinformatics and Molecular Biology (RBMB) Faculty of Science, Ultimo, NSW 2007, Australia.
| | - Ilse M Boudewijn
- University of Groningen, University Medical Center Groningen, Groningen Research Institute for Asthma and COPD (GRIAC), 9713 GZ Groningen, The Netherlands.
- University of Groningen, University Medical Center Groningen, Department of Pulmonary Diseases, 9713 GZ Groningen, The Netherlands.
| | - Wim Timens
- University of Groningen, University Medical Center Groningen, Department of Pathology and Medical Biology, 9713 GZ Groningen, The Netherlands.
- University of Groningen, University Medical Center Groningen, Groningen Research Institute for Asthma and COPD (GRIAC), 9713 GZ Groningen, The Netherlands.
| | - Cornelis J Vermeulen
- University of Groningen, University Medical Center Groningen, Groningen Research Institute for Asthma and COPD (GRIAC), 9713 GZ Groningen, The Netherlands.
- University of Groningen, University Medical Center Groningen, Department of Pulmonary Diseases, 9713 GZ Groningen, The Netherlands.
| | - Brian G Oliver
- Woolcock Institute of Medical Research, Respiratory Cellular and Molecular Biology, The University of Sydney, New South Wales 2037, Australia.
- University of Technology Sydney, School of Life Sciences, Sydney, New South Wales 2007, Australia.
| | - Klaas Kok
- University of Groningen, University Medical Center Groningen, Department of Genetics, 9713 GZ Groningen, The Netherlands.
| | - Martijn M Terpstra
- University of Groningen, University Medical Center Groningen, Department of Genetics, 9713 GZ Groningen, The Netherlands.
| | - Maarten van den Berge
- University of Groningen, University Medical Center Groningen, Groningen Research Institute for Asthma and COPD (GRIAC), 9713 GZ Groningen, The Netherlands.
- University of Groningen, University Medical Center Groningen, Department of Pulmonary Diseases, 9713 GZ Groningen, The Netherlands.
| | - Corry-Anke Brandsma
- University of Groningen, University Medical Center Groningen, Department of Pathology and Medical Biology, 9713 GZ Groningen, The Netherlands.
- University of Groningen, University Medical Center Groningen, Groningen Research Institute for Asthma and COPD (GRIAC), 9713 GZ Groningen, The Netherlands.
| | - Joost Kluiver
- University of Groningen, University Medical Center Groningen, Department of Pathology and Medical Biology, 9713 GZ Groningen, The Netherlands.
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Tumban E. A Current Update on Human Papillomavirus-Associated Head and Neck Cancers. Viruses 2019; 11:v11100922. [PMID: 31600915 PMCID: PMC6833051 DOI: 10.3390/v11100922] [Citation(s) in RCA: 122] [Impact Index Per Article: 24.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2019] [Revised: 10/03/2019] [Accepted: 10/04/2019] [Indexed: 02/07/2023] Open
Abstract
Human papillomavirus (HPV) infection is the cause of a growing percentage of head and neck cancers (HNC); primarily, a subset of oral squamous cell carcinoma, oropharyngeal squamous cell carcinoma, and laryngeal squamous cell carcinoma. The majority of HPV-associated head and neck cancers (HPV + HNC) are caused by HPV16; additionally, co-factors such as smoking and immunosuppression contribute to the progression of HPV + HNC by interfering with tumor suppressor miRNA and impairing mediators of the immune system. This review summarizes current studies on HPV + HNC, ranging from potential modes of oral transmission of HPV (sexual, self-inoculation, vertical and horizontal transmissions), discrepancy in the distribution of HPV + HNC between anatomical sites in the head and neck region, and to studies showing that HPV vaccines have the potential to protect against oral HPV infection (especially against the HPV types included in the vaccines). The review concludes with a discussion of major challenges in the field and prospects for the future: challenges in diagnosing HPV + HNC at early stages of the disease, measures to reduce discrepancy in the prevalence of HPV + HNC cases between anatomical sites, and suggestions to assess whether fomites/breast milk can transmit HPV to the oral cavity.
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Affiliation(s)
- Ebenezer Tumban
- Department of Biological Sciences, Michigan Technological University, 1400 Townsend Dr, Houghton, MI 49931, USA.
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62
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Wang J, Yu XF, Ouyang N, Zhao S, Yao H, Guan X, Tong J, Chen T, Li JX. MicroRNA and mRNA Interaction Network Regulates the Malignant Transformation of Human Bronchial Epithelial Cells Induced by Cigarette Smoke. Front Oncol 2019; 9:1029. [PMID: 31649886 PMCID: PMC6794608 DOI: 10.3389/fonc.2019.01029] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2019] [Accepted: 09/23/2019] [Indexed: 12/25/2022] Open
Abstract
This study analyzes the correlation and interaction of miRNAs and mRNAs and their biological function in the malignant transformation of BEAS-2B cells induced by cigarette smoke (CS). Normal human bronchial epithelial cells (BEAS-2B) were continuously exposed to CS for 30 passages (S30) to establish an in vitro cell model of malignant transformation. The transformed cells were validated by scratch wound healing assay, transwell migration assay, colony formation and tumorigenicity assay. The miRNA and mRNA sequencing analysis were performed to identify differentially expressed miRNAs (DEMs) and differentially expressed genes (DEGs) between normal BEAS-2B and S30 cells. The miRNA-seq data of lung cancer with corresponding clinical data obtained from TCGA was used to further identify lung cancer-related DEMs and their correlations with smoking history. The target genes of these DEMs were predicted using the miRDB database, and their functions were analyzed using the online tool “Metascape.” It was found that the migration ability, colony formation rate and tumorigenicity of S30 cells enhanced. A total of 42 miRNAs and 753 mRNAs were dysregulated in S30 cells. The change of expression of top five DEGs and DEMs were consistent with our sequencing results. Among these DEMs, eight miRNAs were found dysregulated in lung cancer tissues based on TCGA data. In these eight miRNAs, six of them including miR-96-5p, miR-93-5p, miR-106-5p, miR-190a-5p, miR-195-5p, and miR-1-3p, were found to be associated with smoking history. Several DEGs, including THBS1, FN1, PIK3R1, CSF1, CORO2B, and PREX1, were involved in many biological processes by enrichment analysis of miRNA and mRNA interaction. We identified the negatively regulated miRNA-mRNA pairs in the CS-induced lung cancer, which were implicated in several cancer-related (especially EMT-related) biological process and KEGG pathways in the malignant transformation progress of lung cells induced by CS. Our result demonstrated the dysregulation of miRNA-mRNA profiles in cigarette smoke-induced malignant transformed cells, suggesting that these miRNAs might contribute to cigarette smoke-induced lung cancer. These genes may serve as biomarkers for predicting lung cancer pathogenesis and progression. They can also be targets of novel anticancer drug development.
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Affiliation(s)
- Jin Wang
- Department of Toxicology, School of Public Health, Medical College of Soochow University, Suzhou, China
| | - Xiao-Fan Yu
- Department of Toxicology, School of Public Health, Medical College of Soochow University, Suzhou, China
| | - Nan Ouyang
- Department of Toxicology, School of Public Health, Medical College of Soochow University, Suzhou, China
| | - Shiyu Zhao
- Department of Toxicology, School of Public Health, Medical College of Soochow University, Suzhou, China
| | - Haiping Yao
- Department of Toxicology, School of Public Health, Medical College of Soochow University, Suzhou, China
| | - Xifei Guan
- Department of Toxicology, School of Public Health, Medical College of Soochow University, Suzhou, China
| | - Jian Tong
- Department of Toxicology, School of Public Health, Medical College of Soochow University, Suzhou, China
| | - Tao Chen
- Department of Toxicology, School of Public Health, Medical College of Soochow University, Suzhou, China
| | - Jian-Xiang Li
- Department of Toxicology, School of Public Health, Medical College of Soochow University, Suzhou, China
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Liang Y, Feng Y, Wu W, Chang C, Chen D, Chen S, Zhen G. microRNA-218-5p plays a protective role in eosinophilic airway inflammation via targeting δ-catenin, a novel catenin in asthma. Clin Exp Allergy 2019; 50:29-40. [PMID: 31520422 DOI: 10.1111/cea.13498] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2019] [Revised: 08/08/2019] [Accepted: 09/06/2019] [Indexed: 02/04/2023]
Abstract
BACKGROUND microRNA (miR)-218-5p is involved in cigarette smoke-induced airway inflammation. In our earlier asthma epithelial miRNA profiling data, miR-218-5p was the top 2 down-regulated miRNA. We hypothesize that miR-218-5p plays a role in asthma airway inflammation. OBJECTIVE To unveil the role of miR-218-5p and its target gene in asthma airway inflammation. METHODS We measured miR-218-5p expression in bronchial brushings of asthma patients (n = 50) and healthy controls (n = 15), and analysed the correlations between miR-218-5p expression and airway eosinophilia. We examined whether CTNND2 was a target of miR-218-5p, and the expression of 12 catenin family members in bronchial brushings, in cultured human bronchial epithelial (HBE) cells and BEAS-2B cells. We explored the role of miR-218-5p-CTNND2 pathway using a murine model of allergic airway inflammation. RESULTS Epithelial miR-218-5p expression was significantly decreased and negatively correlated with eosinophils in induced sputum and bronchial biopsies, and other type 2 biomarkers in asthma patients. We verified that CTNND2 (encoding δ-catenin) was a target of miR-218-5p. Remarkably, CTNND2 was the most significantly up-regulated catenin compared with the other 11 catenin family members in bronchial brushings of asthma patients, IL-13-stimulated HBE and BEAS-2B cells. Moreover, epithelial CTNND2 expression positively correlated with airway eosinophilia in asthma. Airway mmu-miR-218-5p expression was also decreased, and Ctnnd2 expression was increased in a murine model of allergic airway inflammation. Intriguingly, mmu-miR-218-5p overexpression suppressed airway hyperresponsiveness, eosinophilic airway inflammation and Ctnnd2 up-regulation in the mouse model. Finally, perturbation of miR-218-5p or CTNND2 expression significantly altered chemokine CCL26 expression in the cell cultures and the mouse model. CONCLUSIONS AND CLINICAL RELEVANCE Epithelial miR-218-5p plays a protective role in eosinophilic airway inflammation via targeting CTNND2, a novel catenin in asthma, and suppressing chemokine CCL26 expression.
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Affiliation(s)
- Yuxia Liang
- Division of Respiratory and Critical Care Medicine, Department of Internal Medicine, Tongji Medical College, Tongji Hospital, Huazhong University of Science and Technology, Wuhan, China.,Key Laboratory of Respiratory Diseases of Ministry of Health, Wuhan, China
| | - Yuchen Feng
- Division of Respiratory and Critical Care Medicine, Department of Internal Medicine, Tongji Medical College, Tongji Hospital, Huazhong University of Science and Technology, Wuhan, China.,Key Laboratory of Respiratory Diseases of Ministry of Health, Wuhan, China
| | - Wenliang Wu
- Division of Respiratory and Critical Care Medicine, Department of Internal Medicine, Tongji Medical College, Tongji Hospital, Huazhong University of Science and Technology, Wuhan, China.,Key Laboratory of Respiratory Diseases of Ministry of Health, Wuhan, China
| | - Chenli Chang
- Division of Respiratory and Critical Care Medicine, Department of Internal Medicine, Tongji Medical College, Tongji Hospital, Huazhong University of Science and Technology, Wuhan, China.,Key Laboratory of Respiratory Diseases of Ministry of Health, Wuhan, China
| | - Dian Chen
- Division of Respiratory and Critical Care Medicine, Department of Internal Medicine, Tongji Medical College, Tongji Hospital, Huazhong University of Science and Technology, Wuhan, China.,Key Laboratory of Respiratory Diseases of Ministry of Health, Wuhan, China
| | - Shengchong Chen
- Division of Respiratory and Critical Care Medicine, Department of Internal Medicine, Tongji Medical College, Tongji Hospital, Huazhong University of Science and Technology, Wuhan, China.,Key Laboratory of Respiratory Diseases of Ministry of Health, Wuhan, China
| | - Guohua Zhen
- Division of Respiratory and Critical Care Medicine, Department of Internal Medicine, Tongji Medical College, Tongji Hospital, Huazhong University of Science and Technology, Wuhan, China.,Key Laboratory of Respiratory Diseases of Ministry of Health, Wuhan, China
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64
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Hikichi M, Mizumura K, Maruoka S, Gon Y. Pathogenesis of chronic obstructive pulmonary disease (COPD) induced by cigarette smoke. J Thorac Dis 2019; 11:S2129-S2140. [PMID: 31737341 DOI: 10.21037/jtd.2019.10.43] [Citation(s) in RCA: 117] [Impact Index Per Article: 23.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Chronic obstructive pulmonary disease (COPD) is a common respiratory disease that is characterized by functional and structural alterations primarily caused by long-term inhalation of harmful particles. Cigarette smoke (CS) induces airway inflammation in COPD, which is known to persist even after smoking cessation. This review discusses the basic pathogenesis of COPD, with particular focus on an endogenous protective mechanism against oxidative stress via Nrf2, altered immune response of the airway inflammatory cells, exaggerated cellular senescence of the lung structural cells, and cell death with expanded inflammation. Recently, CS-induced mitochondria autophagy is reported to initiate programmed necrosis (necroptosis). Necroptosis is a new concept of cell death which is driven by a defined molecular pathway along with exaggerated inflammation. This new cell death mechanism is of importance due to its ability to produce more inflammatory substances during the process of epithelial death, contributing to persistent airway inflammation that cannot be explained by apoptosis-derived cell death. Autophagy is an auto-cell component degradation system executed by lysosomes that controls protein and organelle degradation for successful homeostasis. As well as in the process of necroptosis, autophagy is also observed during cellular senescence. Aging of the lungs results in the acquisition of senescence-associated secretory phenotypes (SASP) that are known to secrete inflammatory cytokines, chemokines, growth factors, and matrix metalloproteinases resulting in chronic low-grade inflammation. In future research, we intend to highlight the genetic and epigenetic approaches that can facilitate the understanding of disease susceptibility. The goal of precision medicine is to establish more accurate diagnosis and treatment methods based on the patient-specific pathogenic characteristics. This review provides insights into CS-induced COPD pathogenesis, which contributes to a very complex disease. Investigating the mechanism of developing COPD, along with the availability of the particular inhibitors, will lead to new therapeutic approaches in COPD treatment.
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Affiliation(s)
- Mari Hikichi
- Division of Respiratory Medicine, Department of Internal Medicine, Nihon University School of Medicine, Tokyo, Japan
| | - Kenji Mizumura
- Division of Respiratory Medicine, Department of Internal Medicine, Nihon University School of Medicine, Tokyo, Japan
| | - Shuichiro Maruoka
- Division of Respiratory Medicine, Department of Internal Medicine, Nihon University School of Medicine, Tokyo, Japan
| | - Yasuhiro Gon
- Division of Respiratory Medicine, Department of Internal Medicine, Nihon University School of Medicine, Tokyo, Japan
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Huang J, Jiang W, Tong X, Zhang L, Zhang Y, Fan H. Identification of gene and microRNA changes in response to smoking in human airway epithelium by bioinformatics analyses. Medicine (Baltimore) 2019; 98:e17267. [PMID: 31568004 PMCID: PMC6756728 DOI: 10.1097/md.0000000000017267] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
Smoking is a substantial risk factor for many respiratory diseases. This study aimed to identify the gene and microRNA changes related to smoking in human airway epithelium by bioinformatics analysis.From the Gene Expression Omnibus (GEO) database, the mRNA datasets GSE11906, GSE22047, GSE63127, and microRNA dataset GSE14634 were downloaded, and were analyzed using GEO2R. Functional enrichment analysis of the differentially expressed genes (DEGs) was enforced using DAVID. The protein-protein interaction (PPI) network and differentially expressed miRNAs (DEMs)- DEGs network were executed by Cytoscape.In total, 107 DEGs and 10 DEMs were determined. Gene Ontology (GO) analysis revealed that DEGs principally enriched in oxidation-reduction process, extracellular space and oxidoreductase activity. Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway demonstrated that DEGs were principally enriched in metabolism of xenobiotics by cytochrome P450 and chemical carcinogenesis. The PPI network revealed 15 hub genes, including NQO1, CYP1B1, AKR1C1, CYP1A1, AKR1C3, CEACAM5, MUCL1, B3GNT6, MUC5AC, MUC12, PTGER4, CALCA, CBR1, TXNRD1, and CBR3. Cluster analysis showed that these hub genes were associated with adenocarcinoma in situ, squamous cell carcinoma, cell differentiation, inflammatory response, oxidative DNA damage, oxidative stress response and tumor necrosis factor. Hsa-miR-627-5p might have the most target genes, including ITLN1, TIMP3, PPP4R4, SLC1A2, NOVA1, RNFT2, CLDN10, TMCC3, EPHA7, SRPX2, PPP1R16B, GRM1, HS3ST3A1, SFRP2, SLC7A11, and KLHDC8A.We identified several molecular changes induced by smoking in human airway epithelium. This study may provide some candidate genes and microRNAs for assessing the risk of lung diseases caused by smoking.
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Affiliation(s)
- Jizhen Huang
- Department of Respiratory and Critical Care Medicine, West China Hospital/West China School of Medicine, Sichuan University, Guoxuexiang 37, Chengdu, Sichuan
| | - Wanli Jiang
- Renmin Hospital of Wuhan University, No. 238 Jiefang Road, Wuhan, Hubei, China
| | - Xiang Tong
- Department of Respiratory and Critical Care Medicine, West China Hospital/West China School of Medicine, Sichuan University, Guoxuexiang 37, Chengdu, Sichuan
| | - Li Zhang
- Department of Respiratory and Critical Care Medicine, West China Hospital/West China School of Medicine, Sichuan University, Guoxuexiang 37, Chengdu, Sichuan
| | - Yuan Zhang
- Renmin Hospital of Wuhan University, No. 238 Jiefang Road, Wuhan, Hubei, China
| | - Hong Fan
- Department of Respiratory and Critical Care Medicine, West China Hospital/West China School of Medicine, Sichuan University, Guoxuexiang 37, Chengdu, Sichuan
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66
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Quintanal-Villalonga Á, Molina-Pinelo S. Epigenetics of lung cancer: a translational perspective. Cell Oncol (Dordr) 2019; 42:739-756. [PMID: 31396859 DOI: 10.1007/s13402-019-00465-9] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/11/2019] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Lung cancer remains the most common cause of cancer-related death, with a 5-year survival rate of only 18%. In recent years, the development of targeted pharmacological agents and immunotherapies has substantially increased the survival of a subset of patients. However, most patients lack such efficacious therapy and are, thus, treated with classical chemotherapy with poor clinical outcomes. Therefore, novel therapeutic strategies are urgently needed. In recent years, the development of epigenetic assays and their application to cancer research have highlighted the relevance of epigenetic regulation in the initiation, development, progression and treatment of lung cancer. CONCLUSIONS A variety of epigenetic modifications do occur at different steps of lung cancer development, some of which are key to tumor progression. The rise of cutting-edge technologies such as single cell epigenomics is, and will continue to be, crucial for uncovering epigenetic events at a single cell resolution, leading to a better understanding of the biology underlying lung cancer development and to the design of novel therapeutic options. This approach has already led to the development of strategies involving single agents or combined agents targeting epigenetic modifiers, currently in clinical trials. Here, we will discuss the epigenetics of every step of lung cancer development, as well as the translation of these findings into clinical applications.
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Affiliation(s)
| | - Sonia Molina-Pinelo
- Unidad Clínica de Oncología Médica, Radioterapia y Radiofísica, Instituto de Biomedicina de Sevilla (IBIS) (HUVR, CSIC, Universidad de Sevilla), Avda. Manuel Siurot s/n, 41013, Seville, Spain. .,CIBERONC, Instituto de Salud Carlos III, Madrid, Spain.
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67
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Ahmed MS, Dutta RK, Manandhar P, Li X, Torabi H, Barrios A, Wang P, Chinnapaiyan S, Unwalla HJ, Moon JH. A guanylurea-functionalized conjugated polymer enables RNA interference in ex vivo human airway epithelium. Chem Commun (Camb) 2019; 55:7804-7807. [PMID: 31214678 DOI: 10.1039/c9cc02856k] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
We demonstrate a successful target gene knockdown in ex vivo normal human bronchial epithelium (NHBE) cells covered with mucus layers using the guanylurea functionalization technique modulating the chemical environment at the positive charge of a gene carrier.
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Affiliation(s)
- Md Salauddin Ahmed
- Department of Chemistry and Biochemistry, Biomolecular Sciences Institute, Florida International University, 11200 SW 8th St., Miami, FL 33199, USA.
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Suzuki A, Li A, Gajera M, Abdallah N, Zhang M, Zhao Z, Iwata J. MicroRNA-374a, -4680, and -133b suppress cell proliferation through the regulation of genes associated with human cleft palate in cultured human palate cells. BMC Med Genomics 2019; 12:93. [PMID: 31262291 PMCID: PMC6604454 DOI: 10.1186/s12920-019-0546-z] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2018] [Accepted: 05/31/2019] [Indexed: 02/06/2023] Open
Abstract
Background Cleft palate (CP) is the second most common congenital birth defect; however, the relationship between CP-associated genes and epigenetic regulation remains largely unknown. In this study, we investigated the contribution of microRNAs (miRNAs) to cell proliferation and regulation of genes involved in CP development. Methods In order to identify all genes for which mutations or association/linkage have been found in individuals with CP, we conducted a systematic literature search, followed by bioinformatics analyses for these genes. We validated the bioinformatics results experimentally by conducting cell proliferation assays and miRNA-gene regulatory analyses in cultured human palatal mesenchymal cells treated with each miRNA mimic. Results We identified 131 CP-associated genes in the systematic review. The bioinformatics analysis indicated that the CP genes were associated with signaling pathways, microRNAs (miRNAs), metabolic pathways, and cell proliferation. A total 17 miRNAs were recognized as potential modifiers of human CP genes. To validate miRNA function in cell proliferation, a main cause of CP, we conducted cell proliferation/viability assays for the top 11 candidate miRNAs from our bioinformatics analysis. Overexpression of miR-133b, miR-374a-5p, and miR-4680-3p resulted in a more than 30% reduction in cell proliferation activity in human palatal mesenchymal cell cultures. We found that several downstream target CP genes predicted by the bioinformatics analyses were significantly downregulated through induction of these miRNAs (FGFR1, GCH1, PAX7, SMC2, and SUMO1 by miR-133b; ARNT, BMP2, CRISPLD1, FGFR2, JARID2, MSX1, NOG, RHPN2, RUNX2, WNT5A and ZNF236 by miR-374a-5p; and ERBB2, JADE1, MTHFD1 and WNT5A by miR-4680-3p) in cultured cells. Conclusions Our results indicate that miR-374a-5p, miR-4680-3p, and miR-133b regulate expression of genes that are involved in the etiology of human CP, providing insight into the association between CP-associated genes and potential targets of miRNAs in palate development. Electronic supplementary material The online version of this article (10.1186/s12920-019-0546-z) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Akiko Suzuki
- Department of Diagnostic & Biomedical Sciences, School of Dentistry, The University of Texas Health Science Center at Houston, Houston, TX, USA.,Center for Craniofacial Research, The University of Texas Health Science Center at Houston, Houston, TX, USA
| | - Aimin Li
- Center for Precision Health, School of Biomedical Informatics, The University of Texas Health Science Center at Houston, Houston, TX, USA.,School of Computer Science and Engineering, Xi'an University of Technology, Xi'an, 710048, Shaanxi, China
| | - Mona Gajera
- Department of Diagnostic & Biomedical Sciences, School of Dentistry, The University of Texas Health Science Center at Houston, Houston, TX, USA
| | - Nada Abdallah
- Department of Diagnostic & Biomedical Sciences, School of Dentistry, The University of Texas Health Science Center at Houston, Houston, TX, USA
| | - Musi Zhang
- Department of Diagnostic & Biomedical Sciences, School of Dentistry, The University of Texas Health Science Center at Houston, Houston, TX, USA.,Center for Craniofacial Research, The University of Texas Health Science Center at Houston, Houston, TX, USA
| | - Zhongming Zhao
- Center for Precision Health, School of Biomedical Informatics, The University of Texas Health Science Center at Houston, Houston, TX, USA.,MD Anderson Cancer Center UTHealth Graduate School of Biomedical Sciences, 1941 East Road, BBS 4208, Houston, TX, 77054, USA
| | - Junichi Iwata
- Department of Diagnostic & Biomedical Sciences, School of Dentistry, The University of Texas Health Science Center at Houston, Houston, TX, USA. .,Center for Craniofacial Research, The University of Texas Health Science Center at Houston, Houston, TX, USA. .,MD Anderson Cancer Center UTHealth Graduate School of Biomedical Sciences, 1941 East Road, BBS 4208, Houston, TX, 77054, USA.
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Wu YL, Chien MH, Chou YE, Chang JH, Liu TC, Tsao TCY, Chou MC, Yang SF. Association of EGFR mutations and HMGB1 genetic polymorphisms in lung adenocarcinoma patients. J Cancer 2019; 10:2907-2914. [PMID: 31281467 PMCID: PMC6590032 DOI: 10.7150/jca.31125] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2018] [Accepted: 04/11/2019] [Indexed: 12/14/2022] Open
Abstract
High-mobility group protein box 1 (HMGB1) is overexpressed and reported to be a prognostic factor in patients with non-small-cell lung cancer (NSCLC). Epidermal growth factor receptor (EGFR) mutants play an important role in NSCLC progression. The aim of this study was to explore potential associations between genetic polymorphisms of HMGB1 and EGFR mutations in a cohort that included 280 patients with NSCLC, some of whom were smokers and others who never smoked. Four tagged single-nucleotide polymorphisms (SNPs) of HMGB1 were detected by a TaqMan-based real-time polymerase chain reaction (PCR) in patients. We found that after adjusting for other covariates, NSCLC patients who smoked and who respectively had CG, CT, and TC heterozygotes of HMGB1 rs2249825, rs1045411, and rs1360485, were at lower risk of developing mutant EGFR, compared to those patients with wild-type homozygotes. Moreover, significant inverse associations between the CG and CG + GG genotypes of HMGB1 rs2249825 and the EGFR hotspot mutation, an exon 19 in-frame deletion, were also observed among NSCLC patients. Within patients harboring mutant EGFR, HMGB1 rs1360485 C (TC + CC) allele carriers were at higher risk of developing poorly differentiated cancer types (odds ratio=5.493, 95% confidence interval: 1.130~26.696, p=0.019), compared to patients with TT homozygotes. Furthermore, we found that HMGB1 rs1360485 polymorphisms seemed to be related to susceptibility to developing poorly differentiated cancer linked to tobacco consumption in EGFR mutant patients. In conclusion, our results suggested that HMGB1 variants are significantly inversely associated with EGFR mutations among NSCLC patients who smoked. HMGB1 variants and tobacco consumption might contribute to the pathological development of NSCLC.
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Affiliation(s)
- Yi-Liang Wu
- Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan.,School of Medicine, Chung Shan Medical University, Taichung, Taiwan.,Department of Surgery, Chung Shan Medical University Hospital, Taichung, Taiwan
| | - Ming-Hsien Chien
- Graduate Institute of Clinical Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan.,Pulmonary Research Center, Wan Fang Hospital, Taipei Medical University, Taipei, Taiwan
| | - Ying-Erh Chou
- School of Medicine, Chung Shan Medical University, Taichung, Taiwan.,Department of Medical Research, Chung Shan Medical University Hospital, Taichung, Taiwan
| | - Jer-Hwa Chang
- Pulmonary Research Center, Wan Fang Hospital, Taipei Medical University, Taipei, Taiwan.,Division of Pulmonary Medicine, Department of Internal Medicine, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan.,Division of Pulmonary Medicine, Department of Internal Medicine, Wan Fang Hospital, Taipei Medical University, Taipei, Taiwan
| | - Tu-Chen Liu
- Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan.,Department of Chest Medicine, Cheng-Ching General Hospital, Taichung, Taiwan
| | - Thomas Chang-Yao Tsao
- School of Medicine, Chung Shan Medical University, Taichung, Taiwan.,Division of Chest, Department of Internal Medicine, Chung Shan Medical University Hospital, Taichung, Taiwan
| | - Ming-Chih Chou
- Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan.,Department of Surgery, Chung Shan Medical University Hospital, Taichung, Taiwan
| | - Shun-Fa Yang
- Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan.,Department of Medical Research, Chung Shan Medical University Hospital, Taichung, Taiwan
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70
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Pace E, Di Vincenzo S, Di Salvo E, Genovese S, Dino P, Sangiorgi C, Ferraro M, Gangemi S. MiR-21 upregulation increases IL-8 expression and tumorigenesis program in airway epithelial cells exposed to cigarette smoke. J Cell Physiol 2019; 234:22183-22194. [PMID: 31054160 DOI: 10.1002/jcp.28786] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2019] [Revised: 04/17/2019] [Accepted: 04/22/2019] [Indexed: 12/27/2022]
Abstract
BACKGROUND Cigarette smoke exposure, increasing Toll-like receptor 4 (TLR4) and reactive oxygen species (ROS), promotes inflammatory responses in airway epithelial cells. Chronic inflammation, microRNA (miRNA), and oxidative stress are associated with cancer development. AIMS The present study was aimed to explore whether cigarette smoke exposure, altering miR-21 expression, promoted inflammatory responses and tumorigenesis processes in airway epithelial cells. METHODS Airway normal and cancer epithelial cells (16HBE and A549) were exposed to cigarette smoke extracts (CSE) or with/without agomiR-21, and then it was assessed: a) miR-21 expression; b) signal transducer and activator of transcription 3 (STAT3) nuclear protein expression and ERK1/2 activation; c) IL-8 gene expression and protein release. An antagonist of TLR4 (CLI-095) and the antioxidant flavonoid, apigenin, were also included to evaluate miR-21 expression in CSE exposed cells. RESULTS It was demonstrated that: a) A549 cells constitutively expressed higher levels of miR-21 and IL-8; b) CSE increased STAT3 nuclear expression in 16HBE; c) in both cell lines, CSE and agomiR-21 increased: miR-21 expression; ERK1/2 activation and IL-8 gene expression and protein release; d) TLR4 inhibition counteracted the effects of CSE on miR-21 in A549; e) apigenin reduced miR-21 and IL-8 gene expression in both cell lines. CONCLUSIONS Data herein provided identified for the first time new mechanisms supporting the crucial role of cigarette smoke-induced miR-21 expression in the amplification of inflammatory responses and in tumorigenesis processes within the airways.
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Affiliation(s)
- Elisabetta Pace
- Institute of Biomedicine and Molecular Immunology "A. Monroy" (IBIM), National Research Council of Italy (CNR), Palermo, Italy
| | - Serena Di Vincenzo
- Institute of Biomedicine and Molecular Immunology "A. Monroy" (IBIM), National Research Council of Italy (CNR), Palermo, Italy
| | - Eleonora Di Salvo
- Institute of Biological Resources and Marine Biotechnology (IRBIM), CNR of Messina, Messina, Italy.,Institute of Applied Sciences & Intelligent Systems "Eduardo Caianiello" (ISASI)-CNR of Messina, Messina, Italy
| | - Sara Genovese
- Institute for Marine and Coastal Environment (IAMC-CNR), National Research Council of Italy (CNR), Messina, Italy
| | - Paola Dino
- Institute of Biomedicine and Molecular Immunology "A. Monroy" (IBIM), National Research Council of Italy (CNR), Palermo, Italy
| | - Claudia Sangiorgi
- Institute of Biomedicine and Molecular Immunology "A. Monroy" (IBIM), National Research Council of Italy (CNR), Palermo, Italy
| | - Maria Ferraro
- Institute of Biomedicine and Molecular Immunology "A. Monroy" (IBIM), National Research Council of Italy (CNR), Palermo, Italy
| | - Sebastiano Gangemi
- Department of Clinical and Experimental Medicine, School and Division of Allergy and Clinical Immunology, University of Messina, Messina, Italy
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Gao HX, Su Y, Zhang AL, Xu JW, Fu Q, Yan L. MiR-34c-5p plays a protective role in chronic obstructive pulmonary disease via targeting CCL22. Exp Lung Res 2019; 45:1-12. [PMID: 31032652 DOI: 10.1080/01902148.2018.1563925] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- Hai-Xiang Gao
- Department of Respiratory Medicine, Hebei General Hospital, Shijiazhuang, China
| | - Yan Su
- Department of Respiratory Medicine, Hebei General Hospital, Shijiazhuang, China
| | - Ai-Li Zhang
- Department of Respiratory Medicine, Hebei General Hospital, Shijiazhuang, China
| | - Jin-Wei Xu
- Department of Respiratory Medicine, Hebei General Hospital, Shijiazhuang, China
| | - Qian Fu
- Department of Respiratory Medicine, Hebei General Hospital, Shijiazhuang, China
| | - Li Yan
- Department of Respiratory Medicine, Hebei General Hospital, Shijiazhuang, China
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Musri MM, Coll-Bonfill N, Maron BA, Peinado VI, Wang RS, Altirriba J, Blanco I, Oldham WM, Tura-Ceide O, García-Lucio J, de la Cruz-Thea B, Meister G, Loscalzo J, Barberà JA. MicroRNA Dysregulation in Pulmonary Arteries from Chronic Obstructive Pulmonary Disease. Relationships with Vascular Remodeling. Am J Respir Cell Mol Biol 2019; 59:490-499. [PMID: 29757677 DOI: 10.1165/rcmb.2017-0040oc] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Pulmonary vascular remodeling is an angiogenic-related process involving changes in smooth muscle cell (SMC) homeostasis, which is frequently observed in chronic obstructive pulmonary disease (COPD). MicroRNAs (miRNAs) are small, noncoding RNAs that regulate mRNA expression levels of many genes, leading to the manifestation of cell identity and specific cellular phenotypes. Here, we evaluate the miRNA expression profiles of pulmonary arteries (PAs) of patients with COPD and its relationship with the regulation of SMC phenotypic change. miRNA expression profiles from PAs of 12 patients with COPD, 9 smokers with normal lung function (SK), and 7 nonsmokers (NS) were analyzed using TaqMan Low-Density Arrays. In patients with COPD, expression levels of miR-98, miR-139-5p, miR-146b-5p, and miR-451 were upregulated, as compared with NS. In contrast, miR-197, miR-204, miR-485-3p, and miR-627 were downregulated. miRNA-197 expression correlated with both airflow obstruction and PA intimal enlargement. In an in vitro model of SMC differentiation, miR-197 expression was associated with an SMC contractile phenotype. miR-197 inhibition blocked the acquisition of contractile markers in SMCs and promoted a proliferative/migratory phenotype measured by both cell cycle analysis and wound-healing assay. Using luciferase assays, Western blot, and quantitative PCR, we confirmed that miR-197 targets the transcription factor E2F1. In PAs from patients with COPD, levels of E2F1 were increased as compared with NS. In PAs of patients with COPD, remodeling of the vessel wall is associated with downregulation of miR-197, which regulates SMC phenotype. The effect of miR-197 on PAs might be mediated, at least in part, by the key proproliferative factor, E2F1.
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Affiliation(s)
- Melina M Musri
- 1 Department of Pulmonary Medicine, Hospital Clínic, Institut d'Investigacions Biomèdiques Agustí Pi i Sunyer, University of Barcelona, Barcelona, Spain.,2 Instituto de Investigación Médica Mercedes y Martín Ferreyra, Consejo Nacional de Investigaciones Científicas y Técnicas (INIMEC-CONICET), Universidad Nacional de Córdoba, Cátedra de Genética, Departamento de Fisiología, Facultad de Ciencias Exactas Físicas y Naturales (FCEFyN), Universidad Nacional de Córdoba, Córdoba, Argentina
| | - Núria Coll-Bonfill
- 1 Department of Pulmonary Medicine, Hospital Clínic, Institut d'Investigacions Biomèdiques Agustí Pi i Sunyer, University of Barcelona, Barcelona, Spain.,3 Biomedical Research Networking Center for Respiratory Diseases, Madrid, Spain
| | - Bradley A Maron
- 4 Division of Cardiovascular Medicine, Department of Medicine, Brigham and Women's Hospital, Boston, Massachusetts
| | - Víctor I Peinado
- 1 Department of Pulmonary Medicine, Hospital Clínic, Institut d'Investigacions Biomèdiques Agustí Pi i Sunyer, University of Barcelona, Barcelona, Spain.,3 Biomedical Research Networking Center for Respiratory Diseases, Madrid, Spain
| | - Rui-Sheng Wang
- 4 Division of Cardiovascular Medicine, Department of Medicine, Brigham and Women's Hospital, Boston, Massachusetts
| | - Jordi Altirriba
- 5 Laboratory of Metabolism, Department of Internal Medicine Specialties, Faculty of Medicine, University of Geneva, Geneva, Switzerland
| | - Isabel Blanco
- 1 Department of Pulmonary Medicine, Hospital Clínic, Institut d'Investigacions Biomèdiques Agustí Pi i Sunyer, University of Barcelona, Barcelona, Spain.,3 Biomedical Research Networking Center for Respiratory Diseases, Madrid, Spain
| | - William M Oldham
- 6 Pulmonary and Critical Care Medicine Division, Department of Medicine, Brigham and Women's Hospital, Boston, Massachusetts; and
| | - Olga Tura-Ceide
- 1 Department of Pulmonary Medicine, Hospital Clínic, Institut d'Investigacions Biomèdiques Agustí Pi i Sunyer, University of Barcelona, Barcelona, Spain.,3 Biomedical Research Networking Center for Respiratory Diseases, Madrid, Spain
| | - Jessica García-Lucio
- 1 Department of Pulmonary Medicine, Hospital Clínic, Institut d'Investigacions Biomèdiques Agustí Pi i Sunyer, University of Barcelona, Barcelona, Spain
| | - Benjamin de la Cruz-Thea
- 2 Instituto de Investigación Médica Mercedes y Martín Ferreyra, Consejo Nacional de Investigaciones Científicas y Técnicas (INIMEC-CONICET), Universidad Nacional de Córdoba, Cátedra de Genética, Departamento de Fisiología, Facultad de Ciencias Exactas Físicas y Naturales (FCEFyN), Universidad Nacional de Córdoba, Córdoba, Argentina
| | - Gunter Meister
- 7 Biochemistry Center Regensburg, Laboratory for RNA Biology, University of Regensburg, Regensburg, Germany
| | - Joseph Loscalzo
- 4 Division of Cardiovascular Medicine, Department of Medicine, Brigham and Women's Hospital, Boston, Massachusetts
| | - Joan A Barberà
- 1 Department of Pulmonary Medicine, Hospital Clínic, Institut d'Investigacions Biomèdiques Agustí Pi i Sunyer, University of Barcelona, Barcelona, Spain.,3 Biomedical Research Networking Center for Respiratory Diseases, Madrid, Spain
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73
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Ding N, Maiuri AR, O'Hagan HM. The emerging role of epigenetic modifiers in repair of DNA damage associated with chronic inflammatory diseases. MUTATION RESEARCH. REVIEWS IN MUTATION RESEARCH 2019; 780:69-81. [PMID: 31395351 PMCID: PMC6690501 DOI: 10.1016/j.mrrev.2017.09.005] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/16/2017] [Revised: 09/25/2017] [Accepted: 09/27/2017] [Indexed: 12/15/2022]
Abstract
At sites of chronic inflammation epithelial cells are exposed to high levels of reactive oxygen species (ROS), which can contribute to the initiation and development of many different human cancers. Aberrant epigenetic alterations that cause transcriptional silencing of tumor suppressor genes are also implicated in many diseases associated with inflammation, including cancer. However, it is not clear how altered epigenetic gene silencing is initiated during chronic inflammation. The high level of ROS at sites of inflammation is known to induce oxidative DNA damage in surrounding epithelial cells. Furthermore, DNA damage is known to trigger several responses, including recruitment of DNA repair proteins, transcriptional repression, chromatin modifications and other cell signaling events. Recruitment of epigenetic modifiers to chromatin in response to DNA damage results in transient covalent modifications to chromatin such as histone ubiquitination, acetylation and methylation and DNA methylation. DNA damage also alters non-coding RNA expression. All of these alterations have the potential to alter gene expression at sites of damage. Typically, these modifications and gene transcription are restored back to normal once the repair of the DNA damage is completed. However, chronic inflammation may induce sustained DNA damage and DNA damage responses that result in these transient covalent chromatin modifications becoming mitotically stable epigenetic alterations. Understanding how epigenetic alterations are initiated during chronic inflammation will allow us to develop pharmaceutical strategies to prevent or treat chronic inflammation-induced cancer. This review will focus on types of DNA damage and epigenetic alterations associated with chronic inflammatory diseases, the types of DNA damage and transient covalent chromatin modifications induced by inflammation and oxidative DNA damage and how these modifications may result in epigenetic alterations.
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Affiliation(s)
- Ning Ding
- Medical Sciences Program, School of Medicine, Indiana University, Bloomington, IN 47405, USA
| | - Ashley R Maiuri
- Medical Sciences Program, School of Medicine, Indiana University, Bloomington, IN 47405, USA
| | - Heather M O'Hagan
- Medical Sciences Program, School of Medicine, Indiana University, Bloomington, IN 47405, USA; Indiana University Melvin and Bren Simon Cancer Center, Indianapolis, IN 46202, USA.
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74
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Shukla A, Bunkar N, Kumar R, Bhargava A, Tiwari R, Chaudhury K, Goryacheva IY, Mishra PK. Air pollution associated epigenetic modifications: Transgenerational inheritance and underlying molecular mechanisms. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 656:760-777. [PMID: 30530146 DOI: 10.1016/j.scitotenv.2018.11.381] [Citation(s) in RCA: 88] [Impact Index Per Article: 17.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/16/2018] [Revised: 10/23/2018] [Accepted: 11/25/2018] [Indexed: 05/28/2023]
Abstract
Air pollution is one of the leading causes of deaths in Southeast Asian countries including India. Exposure to air pollutants affects vital cellular mechanisms and is intimately linked with the etiology of a number of chronic diseases. Earlier work from our laboratory has shown that airborne particulate matter disturbs the mitochondrial machinery and causes significant damage to the epigenome. Mitochondrial reactive oxygen species possess the ability to trigger redox-sensitive signaling mechanisms and induce irreversible epigenomic changes. The electrophilic nature of reactive metabolites can directly result in deprotonation of cytosine at C-5 position or interfere with the DNA methyltransferases activity to cause alterations in DNA methylation. In addition, it also perturbs level of cellular metabolites critically involved in different epigenetic processes like acetylation and methylation of histone code and DNA hypo or hypermethylation. Interestingly, these modifications may persist through downstream generations and result in the transgenerational epigenomic inheritance. This phenomenon of subsequent transfer of epigenetic modifications is mainly associated with the germ cells and relies on the germline stability of the epigenetic states. Overall, the recent literature supports, and arguably strengthens, the contention that air pollution might contribute to transmission of epimutations from gametes to zygotes by involving mitochondrial DNA, parental allele imprinting, histone withholding and non-coding RNAs. However, larger prospective studies using innovative, integrated epigenome-wide metabolomic strategy are highly warranted to assess the air pollution induced transgenerational epigenetic inheritance and associated human health effects.
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Affiliation(s)
- Anushi Shukla
- Department of Molecular Biology, ICMR-National Institute for Research in Environmental Health, Bhopal, India
| | - Neha Bunkar
- Department of Molecular Biology, ICMR-National Institute for Research in Environmental Health, Bhopal, India
| | - Rajat Kumar
- Department of Molecular Biology, ICMR-National Institute for Research in Environmental Health, Bhopal, India
| | - Arpit Bhargava
- Department of Molecular Biology, ICMR-National Institute for Research in Environmental Health, Bhopal, India
| | - Rajnarayan Tiwari
- Department of Molecular Biology, ICMR-National Institute for Research in Environmental Health, Bhopal, India
| | - Koel Chaudhury
- School of Medical Science & Technology, Indian Institute of Technology, Kharagpur, India
| | - Irina Y Goryacheva
- Department of General and Inorganic Chemistry, Saratov State University, Saratov, Russia
| | - Pradyumna K Mishra
- Department of Molecular Biology, ICMR-National Institute for Research in Environmental Health, Bhopal, India.
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75
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Oxidative stress induced by electronic nicotine delivery systems (ENDS): Focus on respiratory system. CURRENT OPINION IN TOXICOLOGY 2019. [DOI: 10.1016/j.cotox.2018.09.002] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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76
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Li M, Huo X, Davuljigari CB, Dai Q, Xu X. MicroRNAs and their role in environmental chemical carcinogenesis. ENVIRONMENTAL GEOCHEMISTRY AND HEALTH 2019; 41:225-247. [PMID: 30171477 DOI: 10.1007/s10653-018-0179-8] [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: 12/24/2017] [Accepted: 08/23/2018] [Indexed: 02/05/2023]
Abstract
MicroRNAs (miRNAs) are a class of small, noncoding RNA species that play crucial roles across many biological processes and in the pathogenesis of major diseases, including cancer. Recent studies suggest that the expression of miRNA is altered by certain environmental chemicals, including metals, organic pollutants, cigarette smoke, pesticides and carcinogenic drugs. In addition, extensive studies have indicated the existence and importance of miRNA in different cancers, suggesting that cancer-related miRNAs could serve as potential markers for chemically induced cancers. The altered expression of miRNA was considered to be a vital pathogenic role in xenobiotic-induced cancer development. However, the significance of miRNA in the etiology of cancer and the exact mechanisms by which environmental factors alter miRNA expression remain relatively unexplored. Hence, understanding the interaction of miRNAs with environmental chemicals will provide important information on mechanisms underlying the pathogenesis of chemically induced cancers, and effectively diagnose and treat human cancers resulting from chronic or acute carcinogen exposure. This study presents the current evidence that the miRNA deregulation induced by various chemical carcinogens, different cancers caused by environmental carcinogens and the potentially related genes in the onset or progression of cancer. For each carcinogen, the specifically expressed miRNA may be considered as the early biomarkers of the cancer process. In this review, we also summarize various target genes of the altered miRNA, oncogenes or anti-oncogenes, and the existing evidence regarding the gene regulation mechanisms of cancer caused by environmentally induced miRNA alteration. The future perspective of miRNA may become attractive targets for the diagnosis and treatment of carcinogen-induced cancer.
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Affiliation(s)
- Minghui Li
- Laboratory of Environmental Medicine and Developmental Toxicology, and Guangdong Provincial Key Laboratory of Infectious Diseases and Molecular Immunopathology, Shantou University Medical College, Shantou, 515041, Guangdong, China
| | - Xia Huo
- Laboratory of Environmental Medicine and Developmental Toxicology, Guangdong Key Laboratory of Environmental Pollution and Health, School of Environment, Jinan University, Guangzhou, 511486, Guangdong, China
| | - Chand Basha Davuljigari
- Laboratory of Environmental Medicine and Developmental Toxicology, and Guangdong Provincial Key Laboratory of Infectious Diseases and Molecular Immunopathology, Shantou University Medical College, Shantou, 515041, Guangdong, China
| | - Qingyuan Dai
- Laboratory of Environmental Medicine and Developmental Toxicology, Guangdong Key Laboratory of Environmental Pollution and Health, School of Environment, Jinan University, Guangzhou, 511486, Guangdong, China
| | - Xijin Xu
- Laboratory of Environmental Medicine and Developmental Toxicology, and Guangdong Provincial Key Laboratory of Infectious Diseases and Molecular Immunopathology, Shantou University Medical College, Shantou, 515041, Guangdong, China.
- Department of Cell Biology and Genetics, Shantou University Medical College, Shantou, 515041, Guangdong, China.
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77
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Selman M, Martinez FJ, Pardo A. Why Does an Aging Smoker’s Lung Develop Idiopathic Pulmonary Fibrosis and Not Chronic Obstructive Pulmonary Disease? Am J Respir Crit Care Med 2019; 199:279-285. [DOI: 10.1164/rccm.201806-1166pp] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Affiliation(s)
- Moisés Selman
- Instituto Nacional de Enfermedades Respiratorias, Ismael Cosío Villegas, Mexico City, Mexico
| | - Fernando J. Martinez
- Weill Cornell Medicine, New York-Presbyterian Hospital/Weill Cornell Medical Center, New York, New York
- Deputy Editor, AJRCCM; and
| | - Annie Pardo
- Facultad de Ciencias, Universidad Nacional Autónoma de México, Mexico City, Mexico
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78
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Abstract
Inflammatory and infectious diseases are among the main causes of morbidity and mortality worldwide. Inflammation is central to maintenance of organismal homeostasis upon infection, tissue damage, and malignancy. It occurs transiently in response to diverse stimuli (e.g., physical, radioactive, infective, pro-allergenic, or toxic), and in some cases may manifest itself in chronic diseases. To limit the potentially deleterious effects of acute or chronic inflammatory responses, complex transcriptional and posttranscriptional regulatory networks have evolved, often involving nonprotein-coding RNAs (ncRNA). MicroRNAs (miRNAs) are a class of posttranscriptional regulators that control mRNA translation and stability. Long ncRNAs (lncRNAs) are a very diverse group of transcripts >200 nt, functioning among others as scaffolds or decoys both in the nucleus and the cytoplasm. By now, it is well established that miRNAs and lncRNAs are implicated in all major cellular processes including control of cell death, proliferation, or metabolism. Extensive research over the last years furthermore revealed a fundamental role of ncRNAs in pathogen recognition and inflammatory responses. This chapter reviews and summarizes the current knowledge on regulatory ncRNA networks in infection and inflammation.
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Affiliation(s)
- Leon N Schulte
- Institute for Lung Research, Universities of Giessen and Marburg Lung Center, Member of the German Center for Lung Research (DZL), Philipps-University Marburg, Marburg, Germany
| | - Wilhelm Bertrams
- Institute for Lung Research, Universities of Giessen and Marburg Lung Center, Member of the German Center for Lung Research (DZL), Philipps-University Marburg, Marburg, Germany
| | - Christina Stielow
- Institute for Lung Research, Universities of Giessen and Marburg Lung Center, Member of the German Center for Lung Research (DZL), Philipps-University Marburg, Marburg, Germany
| | - Bernd Schmeck
- Institute for Lung Research, Universities of Giessen and Marburg Lung Center, Member of the German Center for Lung Research (DZL), Philipps-University Marburg, Marburg, Germany.
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79
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Beck R, Bommarito P, Douillet C, Kanke M, Del Razo LM, García-Vargas G, Fry RC, Sethupathy P, Stýblo M. Circulating miRNAs Associated with Arsenic Exposure. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2018; 52:14487-14495. [PMID: 30457847 PMCID: PMC7036137 DOI: 10.1021/acs.est.8b06457] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/09/2023]
Abstract
Arsenic (As) is a toxic metalloid. Inorganic arsenic (iAs) is a form of As commonly found in drinking water and in some foods. Overwhelming evidence suggests that people chronically exposed to iAs are at risk of developing cancer or cardiovascular, neurological, and metabolic diseases. Although the mechanisms underlying iAs-associated illness remain poorly characterized, a growing body of literature raises the possibility that microRNAs (miRNAs), post-transcriptional gene suppressors, may serve as mediators and/or early indicators of the pathologies associated with iAs exposure. To characterize the circulating miRNA profiles of individuals chronically exposed to iAs, samples of plasma were collected from 109 healthy residents of the city of Zimapán and the Lagunera area in Mexico, the regions with historically high exposures to iAs in drinking water. These plasma samples were analyzed for small RNAs using high-throughput sequencing and for iAs and its methylated metabolites. Associations between plasma levels of arsenic species and miRNAs were evaluated. Six circulating miRNAs (miRs-423-5p, -142-5p -2, -423-5p +1, -320c-1, -320c-2, and -454-5p), two of which have been previously linked to cardiovascular disease and diabetes (miRs-423-5p, -454-5p), were found to be significantly correlated with plasma MAs. No miRNAs were associated with plasma iAs or DMAs after correction for multiple testing. These miRNAs may represent mechanistic links between iAs exposure and disease or serve as markers of disease risks associated with this exposure.
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Affiliation(s)
- Rowan Beck
- Department of Genetics, School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC, 27599, USA
- Curriculum in Genetics and Molecular Biology, University of North Carolina at Chapel Hill, Chapel Hill, NC, 27599, USA
| | - Paige Bommarito
- Department of Environmental Sciences and Engineering, Gillings School of Global Public Health, University of North Carolina, Chapel Hill, North Carolina, USA
| | - Christelle Douillet
- Department of Nutrition, Gillings School of Global Public Health, University of North Carolina at Chapel Hill, Chapel Hill, NC, 27599, USA
| | - Matt Kanke
- Department of Biomedical Sciences, College of Veterinary Medicine, Cornell University, Ithaca, New York
| | - Luz M Del Razo
- Department of Toxicology, Center of Investigation and of Advanced Studies of the National Polytechnic Institute (Cinvestav-IPN), México City, Mexico
| | | | - Rebecca C. Fry
- Department of Environmental Sciences and Engineering, Gillings School of Global Public Health, University of North Carolina, Chapel Hill, North Carolina, USA
| | - Praveen Sethupathy
- Department of Biomedical Sciences, College of Veterinary Medicine, Cornell University, Ithaca, New York
- Corresponding Authors: Praveen Sethupathy, ; Miroslav Styblo,
| | - Miroslav Stýblo
- Department of Nutrition, Gillings School of Global Public Health, University of North Carolina at Chapel Hill, Chapel Hill, NC, 27599, USA
- Corresponding Authors: Praveen Sethupathy, ; Miroslav Styblo,
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80
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Moazeni-Roodi A, Bahari G, Taheri M, Ansari H, Hashemi M. Association between miR-218 rs11134527 polymorphism and risk of selected types of cancer in Asian population: An updated meta-analysis of case-control studies. Gene 2018; 678:370-376. [PMID: 30120974 DOI: 10.1016/j.gene.2018.08.053] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2018] [Revised: 08/10/2018] [Accepted: 08/13/2018] [Indexed: 12/16/2022]
Abstract
Several studies inspected the relationship between miR-218 rs11134527 polymorphism and the risk of some human cancers, but the findings remains controversial. We designed an update meta-analysis aiming to validate the association between rs11134527 polymorphism of miR-218 and cancer risk. Eligible studies including 7989 cancer cases and 8761 controls were recognized by searching Web of Science, PubMed, Scopus, and Google scholar databases. Pooled odds ratios (ORs) with 95% confidence intervals (CIs) were estimated to quantitatively evaluate the association between rs11134527 variant and cancer risk. The overall results indicated no significant relationship between miR-218 rs11134527 polymorphism and cancer risk in codominant, dominant, recessive, overdominant, and allele inheritance model tested. Stratified analysis showed that rs11134527 variant significantly increased the risk of developing esophageal squamous cell carcinoma (ESCC) in heterozygous codominant (OR = 1.32, 95%CI = 1.03-1.69, p = 0.03, AG vs GG) inheritance model. In summary, the findings of this meta-analysis did not support an association between miR-218 rs11134527 polymorphism and cancer risk. Stratified analysis showed that rs11134527 variant significantly increased the risk of developing ESCC. Larger and well-designed researches are needed to estimate this association in detail.
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Affiliation(s)
| | - Gholamreza Bahari
- Department of Clinical Biochemistry, School of Medicine, Zahedan University of Medical Sciences, Zahedan, Iran
| | - Mohsen Taheri
- Department of Genetics, School of Medicine, Zahedan University of Medical Sciences, Zahedan, Iran
| | - Hossein Ansari
- Department of Epidemiology and Biostatistics, Zahedan University of Medical Sciences, Zahedan, Iran
| | - Mohammad Hashemi
- Department of Clinical Biochemistry, School of Medicine, Zahedan University of Medical Sciences, Zahedan, Iran.
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81
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Stolzenburg LR, Harris A. The role of microRNAs in chronic respiratory disease: recent insights. Biol Chem 2018; 399:219-234. [PMID: 29148977 DOI: 10.1515/hsz-2017-0249] [Citation(s) in RCA: 61] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2017] [Accepted: 10/24/2017] [Indexed: 01/16/2023]
Abstract
Chronic respiratory diseases encompass a group of diverse conditions affecting the airways, which all impair lung function over time. They include cystic fibrosis (CF), idiopathic pulmonary fibrosis (IPF), chronic obstructive pulmonary disease (COPD) and asthma, which together affect hundreds of millions of people worldwide. MicroRNAs (miRNAs), a class of small non-coding RNAs involved in post-transcriptional gene repression, are now recognized as major regulators in the development and progression of chronic lung disease. Alterations in miRNA abundance occur in lung tissue, inflammatory cells, and freely circulating in blood and are thought to function both as drivers and modifiers of disease. Their importance in lung pathology has prompted the development of miRNA-based therapies and biomarker tools. Here, we review the current literature on miRNA expression and function in chronic respiratory disease and highlight further research that is needed to propel miRNA treatments for lung disorders towards the clinic.
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Affiliation(s)
- Lindsay R Stolzenburg
- Human Molecular Genetics Program, Lurie Children's Research Center, Chicago, IL 60614, USA.,Department of Pediatrics, Northwestern University Feinberg School of Medicine, Chicago, IL 60611, USA
| | - Ann Harris
- Human Molecular Genetics Program, Lurie Children's Research Center, Chicago, IL 60614, USA.,Department of Pediatrics, Northwestern University Feinberg School of Medicine, Chicago, IL 60611, USA.,Department of Genetics and Genome Sciences, Case Western Reserve University, Cleveland, OH 44016, USA
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82
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Izzotti A. MicroRNA from Small Oligunucletoides to Giant Players of Biological Processes and Diseases. Microrna 2018; 8:2-3. [PMID: 30511596 DOI: 10.2174/221153660801181024142302] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Alberto Izzotti
- Department of Health Sciences University of Genoa Genoa, Italy
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83
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Tsai PC, Glastonbury CA, Eliot MN, Bollepalli S, Yet I, Castillo-Fernandez JE, Carnero-Montoro E, Hardiman T, Martin TC, Vickers A, Mangino M, Ward K, Pietiläinen KH, Deloukas P, Spector TD, Viñuela A, Loucks EB, Ollikainen M, Kelsey KT, Small KS, Bell JT. Smoking induces coordinated DNA methylation and gene expression changes in adipose tissue with consequences for metabolic health. Clin Epigenetics 2018; 10:126. [PMID: 30342560 PMCID: PMC6196025 DOI: 10.1186/s13148-018-0558-0] [Citation(s) in RCA: 83] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2018] [Accepted: 10/03/2018] [Indexed: 12/14/2022] Open
Abstract
Background Tobacco smoking is a risk factor for multiple diseases, including cardiovascular disease and diabetes. Many smoking-associated signals have been detected in the blood methylome, but the extent to which these changes are widespread to metabolically relevant tissues, and impact gene expression or metabolic health, remains unclear. Methods We investigated smoking-associated DNA methylation and gene expression variation in adipose tissue biopsies from 542 healthy female twins. Replication, tissue specificity, and longitudinal stability of the smoking-associated effects were explored in additional adipose, blood, skin, and lung samples. We characterized the impact of adipose tissue smoking methylation and expression signals on metabolic disease risk phenotypes, including visceral fat. Results We identified 42 smoking-methylation and 42 smoking-expression signals, where five genes (AHRR, CYP1A1, CYP1B1, CYTL1, F2RL3) were both hypo-methylated and upregulated in current smokers. CYP1A1 gene expression achieved 95% prediction performance of current smoking status. We validated and replicated a proportion of the signals in additional primary tissue samples, identifying tissue-shared effects. Smoking leaves systemic imprints on DNA methylation after smoking cessation, with stronger but shorter-lived effects on gene expression. Metabolic disease risk traits such as visceral fat and android-to-gynoid ratio showed association with methylation at smoking markers with functional impacts on expression, such as CYP1A1, and at tissue-shared smoking signals, such as NOTCH1. At smoking-signals, BHLHE40 and AHRR DNA methylation and gene expression levels in current smokers were predictive of future gain in visceral fat upon smoking cessation. Conclusions Our results provide the first comprehensive characterization of coordinated DNA methylation and gene expression markers of smoking in adipose tissue. The findings relate to human metabolic health and give insights into understanding the widespread health consequence of smoking outside of the lung. Electronic supplementary material The online version of this article (10.1186/s13148-018-0558-0) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Pei-Chien Tsai
- Department of Twin Research and Genetic Epidemiology, King's College London, London, SE1 7EH, UK. .,Department of Biomedical Sciences, Chang Gung University, Taoyuan, Taiwan. .,Division of Allergy, Asthma, and Rheumatology, Department of Pediatrics, Chang Gung Memorial Hospital, Linkou, Taiwan.
| | - Craig A Glastonbury
- Department of Twin Research and Genetic Epidemiology, King's College London, London, SE1 7EH, UK.,Big Data Institute at the Li Ka Shing Centre for Health Information and Discovery, University of Oxford, Oxford, OX3 7LF, UK
| | - Melissa N Eliot
- Department of Epidemiology, Brown University School of Public Health, Providence, RI, 02912, USA
| | - Sailalitha Bollepalli
- Institute for Molecular Medicine Finland (FIMM) and Department of Public Health, University of Helsinki, Helsinki, Finland
| | - Idil Yet
- Department of Twin Research and Genetic Epidemiology, King's College London, London, SE1 7EH, UK.,Department of Bioinformatics, Institute of Health Sciences, Hacettepe University, 06100, Ankara, Turkey
| | | | - Elena Carnero-Montoro
- Department of Twin Research and Genetic Epidemiology, King's College London, London, SE1 7EH, UK.,Pfizer - University of Granada - Andalusian Government Center for Genomics and Oncological Research (GENYO), Granada, Spain
| | - Thomas Hardiman
- Department of Twin Research and Genetic Epidemiology, King's College London, London, SE1 7EH, UK.,Division of Cancer Studies, King's College London, London, SE1 9RT, UK
| | - Tiphaine C Martin
- Department of Twin Research and Genetic Epidemiology, King's College London, London, SE1 7EH, UK.,Department of Oncological Sciences, Icahn School of Medicine at Mount Sinai, New York City, NY, 10029, USA.,The Tisch Cancer Institute, Icahn School of Medicine at Mount Sinai, New York City, NY, 10029, USA
| | - Alice Vickers
- Department of Twin Research and Genetic Epidemiology, King's College London, London, SE1 7EH, UK.,Centre for Stem Cells and Regenerative Medicine, King's College London, Floor 28, Tower Wing, Guy's Hospital, Great Maze Pond, London, SE1 9RT, UK
| | - Massimo Mangino
- Department of Twin Research and Genetic Epidemiology, King's College London, London, SE1 7EH, UK.,NIHR Biomedical Research Centre at Guy's and St Thomas' Foundation Trust, London, SE1 9RT, UK
| | - Kirsten Ward
- Department of Twin Research and Genetic Epidemiology, King's College London, London, SE1 7EH, UK
| | - Kirsi H Pietiläinen
- Research Programs Unit, Diabetes and Obesity, Obesity Research Unit, University of Helsinki, Helsinki, Finland.,Endocrinology, Abdominal Center, Helsinki University Hospital, Helsinki, Finland
| | - Panos Deloukas
- William Harvey Research Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London, EC1M 6BQ, UK.,Princess Al-Jawhara Al-Brahim Centre of Excellence in Research of Hereditary Disorders (PACER-HD), King Abdulaziz University, Jeddah, Saudi Arabia
| | - Tim D Spector
- Department of Twin Research and Genetic Epidemiology, King's College London, London, SE1 7EH, UK
| | - Ana Viñuela
- Department of Twin Research and Genetic Epidemiology, King's College London, London, SE1 7EH, UK.,Department of Genetic Medicine and Development, University of Geneva Medical School, 1211, Geneva, Switzerland.,Institute for Genetics and Genomics in Geneva (iGE3), University of Geneva, 1211, Geneva, Switzerland.,Swiss Institute of Bioinformatics, 1211, Geneva, Switzerland
| | - Eric B Loucks
- Department of Epidemiology, Brown University School of Public Health, Providence, RI, 02912, USA
| | - Miina Ollikainen
- Institute for Molecular Medicine Finland (FIMM) and Department of Public Health, University of Helsinki, Helsinki, Finland
| | - Karl T Kelsey
- Department of Epidemiology, Brown University School of Public Health, Providence, RI, 02912, USA.,Department of Laboratory Medicine & Pathology, Brown University, Providence, RI, 02912, USA
| | - Kerrin S Small
- Department of Twin Research and Genetic Epidemiology, King's College London, London, SE1 7EH, UK
| | - Jordana T Bell
- Department of Twin Research and Genetic Epidemiology, King's College London, London, SE1 7EH, UK.
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84
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Smoking-induced control of miR-133a-3p alters the expression of EGFR and HuR in HPV-infected oropharyngeal cancer. PLoS One 2018; 13:e0205077. [PMID: 30289952 PMCID: PMC6173415 DOI: 10.1371/journal.pone.0205077] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2018] [Accepted: 09/19/2018] [Indexed: 01/09/2023] Open
Abstract
Purpose Human papillomavirus (HPV) infected oropharyngeal squamous cell carcinoma (OPSCC) patients have a better prognosis compared to HPV(-) counterparts. However, a subset of HPV(+) patients with a smoking history fail to respond to the standard of care treatments such as radiation and chemotherapy. To understand the underlying mechanism driving HPV(+) OPSCC patient resistance to treatment and recurrence, we sought to identify and characterize the differentially expressed miRNAs and their target genes in HPV(+) smokers and non-smokers. Experimental design MicroRNA expression analysis was performed using Nanostring in tumor tissues isolated from a prospective cohort of HPV(+) smoking (n = 9) and HPV(+) (n = 13) non-smoking OPSCC patients. Identified miRNAs of interest were further validated using qRT-PCR in cigarette smoke extract (CSE) treated HPV(+) and E6/E7 overexpressing HPV(-) cells. Results In comparison to OPSCC HPV(+) non-smokers, 38 miRNAs were significantly altered in the HPV(+) smoker patients cohort and out of that 9 were downregulated. Altered miRNA expression was also detected in the serum and metastatic lymph nodes of HPV(+) smokers versus non-smokers. Expression of miR-133a-3p was significantly downregulated in OPSCC smokers, HPV(+) cells and E6/E7 overexpressing HPV(-) cells treated with CSE. Reduction of miR-133a-3p induced the upregulation of miR-133a-3p target mRNAs EGFR and HuR. Conclusions Our results indicate that miR-133a-3p is a target of smoking-induced changes in HPV(+) patients and alters the expression of EGFR and HuR which may promote HPV associated oropharyngeal cancer. Therefore, future treatment strategies for HPV(+) OPSCC smokers should focus on EGFR inhibition and the development of selective therapies to target HuR.
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85
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Choukrallah MA, Sewer A, Talikka M, Sierro N, Peitsch MC, Hoeng J, Ivanov NV. Epigenomics in tobacco risk assessment: Opportunities for integrated new approaches. CURRENT OPINION IN TOXICOLOGY 2018. [DOI: 10.1016/j.cotox.2019.01.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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86
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Izzotti A, La Maestra S, Micale RT, Pulliero A, Geretto M, Balansky R, De Flora S. Modulation of genomic and epigenetic end-points by celecoxib. Oncotarget 2018; 9:33656-33681. [PMID: 30263093 PMCID: PMC6154745 DOI: 10.18632/oncotarget.26062] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2018] [Accepted: 08/16/2018] [Indexed: 01/20/2023] Open
Abstract
Celecoxib, a nonsteroidal anti-inflammatory drug that selectively targets cyclooxygenase-2, is a promising cancer chemopreventive agent. However, safety concerns have been raised in clinical trials evaluating its ability to prevent colorectal adenomas. The rationale for the herein reported studies was to analyze genomic and epigenetic end-points aimed at investigating both the chemopreventive properties of celecoxib towards cigarette smoke-associated molecular alterations and its possible adverse effects. We carried out three consecutive studies in mice treated with either smoke and/or celecoxib. Study 1 investigated early DNA alterations (DNA adducts, oxidative DNA damage, and systemic genotoxic damage) and epigenetic alterations (expression of 1,135 microRNAs) in lung and blood of Swiss H mice; Study 2 evaluated the formation of DNA adducts in lung, liver, and heart; and Study 3 evaluated the expression of microRNAs in 10 organs and 3 body fluids of ICR (CD-1) mice. Surprisingly, the oral administration of celecoxib to smoke-free mice resulted in the formation of DNA adducts in both lung and heart and in dysregulation of microRNAs in mouse organs and body fluids. On the other hand, celecoxib attenuated smoke-related DNA damage and dysregulation of microRNA expression. In conclusion, celecoxib showed pleiotropic properties and multiple mechanisms by counteracting the molecular damage produced by smoke in a variety of organs and body fluids. However, administration of celecoxib to non-smoking mice resulted in evident molecular alterations, also including DNA and RNA alterations in the heart, which may bear relevance in the pathogenesis of the cardiovascular adverse effects of this drug.
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Affiliation(s)
- Alberto Izzotti
- Department of Health Sciences, University of Genoa, 16132 Genoa, Italy.,IRCCS Ospedale Policlinico San Martino, 16132 Genoa, Italy
| | | | - Rosanna T Micale
- Department of Health Sciences, University of Genoa, 16132 Genoa, Italy
| | | | - Marta Geretto
- Department of Health Sciences, University of Genoa, 16132 Genoa, Italy
| | - Roumen Balansky
- Department of Health Sciences, University of Genoa, 16132 Genoa, Italy.,National Center of Oncology, 1756 Sofia, Bulgaria
| | - Silvio De Flora
- Department of Health Sciences, University of Genoa, 16132 Genoa, Italy
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87
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Tasena H, Faiz A, Timens W, Noordhoek J, Hylkema MN, Gosens R, Hiemstra PS, Spira A, Postma DS, Tew GW, Grimbaldeston MA, van den Berge M, Heijink IH, Brandsma CA. microRNA-mRNA regulatory networks underlying chronic mucus hypersecretion in COPD. Eur Respir J 2018; 52:13993003.01556-2017. [PMID: 30072506 DOI: 10.1183/13993003.01556-2017] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2017] [Accepted: 07/07/2018] [Indexed: 02/03/2023]
Abstract
Chronic mucus hypersecretion (CMH) is a common feature in chronic obstructive pulmonary disease (COPD) and is associated with worse prognosis and quality of life. This study aimed to identify microRNA (miRNA)-mRNA regulatory networks underlying CMH.The expression profiles of miRNA and mRNA in bronchial biopsies from 63 COPD patients were associated with CMH using linear regression. Potential mRNA targets of each CMH-associated miRNA were identified using Pearson correlations. Gene set enrichment analysis (GSEA) and STRING (search tool for the retrieval of interacting genes/proteins) analysis were used to identify key genes and pathways.20 miRNAs and 539 mRNAs were differentially expressed with CMH in COPD. The expression of 10 miRNAs was significantly correlated with the expression of one or more mRNAs. Of these, miR-134-5p, miR-146a-5p and the let-7 family had the highest representation of CMH-associated mRNAs among their negatively correlated predicted targets. KRAS and EDN1 were identified as key regulators of CMH and were negatively correlated predicted targets of miR-134-5p and let-7a-5p, let-7d-5p, and let-7f-5p, respectively. GSEA suggested involvement of MUC5AC-related genes and several other relevant gene sets in CMH. The lower expression of miR-134-5p was confirmed in primary airway fibroblasts from COPD patients with CMH.We identified miR-134-5p, miR-146a-5p and let-7 family, along with their potential target genes including KRAS and EDN1, as potential key miRNA-mRNA networks regulating CMH in COPD.
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Affiliation(s)
- Hataitip Tasena
- Dept of Pathology and Medical Biology, University of Groningen, University Medical Centre Groningen, Groningen, The Netherlands.,Groningen Research Institute for Asthma and COPD, University of Groningen, University Medical Centre Groningen, Groningen, The Netherlands
| | - Alen Faiz
- Dept of Pathology and Medical Biology, University of Groningen, University Medical Centre Groningen, Groningen, The Netherlands.,Groningen Research Institute for Asthma and COPD, University of Groningen, University Medical Centre Groningen, Groningen, The Netherlands.,Dept of Pulmonary Diseases, University of Groningen, University Medical Centre Groningen, Groningen, The Netherlands
| | - Wim Timens
- Dept of Pathology and Medical Biology, University of Groningen, University Medical Centre Groningen, Groningen, The Netherlands.,Groningen Research Institute for Asthma and COPD, University of Groningen, University Medical Centre Groningen, Groningen, The Netherlands
| | - Jacobien Noordhoek
- Dept of Pathology and Medical Biology, University of Groningen, University Medical Centre Groningen, Groningen, The Netherlands.,Groningen Research Institute for Asthma and COPD, University of Groningen, University Medical Centre Groningen, Groningen, The Netherlands.,Dept of Pulmonary Diseases, University of Groningen, University Medical Centre Groningen, Groningen, The Netherlands
| | - Machteld N Hylkema
- Dept of Pathology and Medical Biology, University of Groningen, University Medical Centre Groningen, Groningen, The Netherlands.,Groningen Research Institute for Asthma and COPD, University of Groningen, University Medical Centre Groningen, Groningen, The Netherlands
| | - Reinoud Gosens
- Groningen Research Institute for Asthma and COPD, University of Groningen, University Medical Centre Groningen, Groningen, The Netherlands.,Dept of Molecular Pharmacology, University of Groningen, Groningen, The Netherlands
| | - Pieter S Hiemstra
- Dept of Pulmonology, Leiden University Medical Centre, Leiden, The Netherlands
| | - Avrum Spira
- Dept of Medicine, Division of Computational Biomedicine, Boston University Medical Centre, Boston, MA, USA
| | - Dirkje S Postma
- Groningen Research Institute for Asthma and COPD, University of Groningen, University Medical Centre Groningen, Groningen, The Netherlands.,Dept of Pulmonary Diseases, University of Groningen, University Medical Centre Groningen, Groningen, The Netherlands
| | - Gaik W Tew
- Research and Early Development, Genentech Inc., San Francisco, CA, USA
| | | | - Maarten van den Berge
- Groningen Research Institute for Asthma and COPD, University of Groningen, University Medical Centre Groningen, Groningen, The Netherlands.,Dept of Pulmonary Diseases, University of Groningen, University Medical Centre Groningen, Groningen, The Netherlands
| | - Irene H Heijink
- Dept of Pathology and Medical Biology, University of Groningen, University Medical Centre Groningen, Groningen, The Netherlands.,Groningen Research Institute for Asthma and COPD, University of Groningen, University Medical Centre Groningen, Groningen, The Netherlands.,Dept of Pulmonary Diseases, University of Groningen, University Medical Centre Groningen, Groningen, The Netherlands.,These authors contributed equally
| | - Corry-Anke Brandsma
- Dept of Pathology and Medical Biology, University of Groningen, University Medical Centre Groningen, Groningen, The Netherlands.,Groningen Research Institute for Asthma and COPD, University of Groningen, University Medical Centre Groningen, Groningen, The Netherlands.,These authors contributed equally
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88
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Barratt SL, Creamer A, Hayton C, Chaudhuri N. Idiopathic Pulmonary Fibrosis (IPF): An Overview. J Clin Med 2018; 7:jcm7080201. [PMID: 30082599 PMCID: PMC6111543 DOI: 10.3390/jcm7080201] [Citation(s) in RCA: 195] [Impact Index Per Article: 32.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2018] [Revised: 07/23/2018] [Accepted: 07/31/2018] [Indexed: 02/07/2023] Open
Abstract
Idiopathic pulmonary fibrosis (IPF) is an interstitial lung disease characterised by chronic, progressive scarring of the lungs and the pathological hallmark of usual interstitial pneumonia. Current paradigms suggest alveolar epithelial cell damage is a key initiating factor. Globally, incidence of the disease is rising, with associated high morbidity, mortality, and economic healthcare burden. Diagnosis relies on a multidisciplinary team approach with exclusion of other causes of interstitial lung disease. Over recent years, two novel antifibrotic therapies, pirfenidone and nintedanib, have been developed, providing treatment options for many patients with IPF, with several other agents in early clinical trials. Current efforts are directed at identifying key biomarkers that may direct more customized patient-centred healthcare to improve outcomes for these patients in the future.
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Affiliation(s)
- Shaney L Barratt
- Bristol Interstitial Lung Disease Service, North Bristol NHS Trust, Bristol BS10 5NB, UK.
- Academic Respiratory Unit, University of Bristol, Bristol BS16 1QY, UK.
| | - Andrew Creamer
- Bristol Interstitial Lung Disease Service, North Bristol NHS Trust, Bristol BS10 5NB, UK.
| | - Conal Hayton
- North West Interstitial Lung Disease Unit, Manchester University NHS Foundation Trust, Wythenshawe, Manchester M23 9LT, UK.
| | - Nazia Chaudhuri
- North West Interstitial Lung Disease Unit, Manchester University NHS Foundation Trust, Wythenshawe, Manchester M23 9LT, UK.
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89
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Billatos E, Vick JL, Lenburg ME, Spira AE. The Airway Transcriptome as a Biomarker for Early Lung Cancer Detection. Clin Cancer Res 2018; 24:2984-2992. [PMID: 29463557 PMCID: PMC7397497 DOI: 10.1158/1078-0432.ccr-16-3187] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2017] [Revised: 12/06/2017] [Accepted: 02/16/2018] [Indexed: 12/17/2022]
Abstract
Lung cancer remains the leading cause of cancer-related death due to its advanced stage at diagnosis. Early detection of lung cancer can be improved by better defining who should be screened radiographically and determining which imaging-detected pulmonary nodules are malignant. Gene expression biomarkers measured in normal-appearing airway epithelium provide an opportunity to use lung cancer-associated molecular changes in this tissue for early detection of lung cancer. Molecular changes in the airway may result from an etiologic field of injury and/or field cancerization. The etiologic field of injury reflects the aberrant physiologic response to carcinogen exposure that creates a susceptible microenvironment for cancer initiation. In contrast, field cancerization reflects effects of "first-hit" mutations in a clone of cells from which the tumor ultimately arises or the effects of the tumor on the surrounding tissue. These fields might have value both for assessing lung cancer risk and diagnosis. Cancer-associated gene expression changes in the bronchial airway have recently been used to develop and validate a 23-gene classifier that improves the diagnostic yield of bronchoscopy for lung cancer among intermediate-risk patients. Recent studies have demonstrated that these lung cancer-related gene expression changes extend to nasal epithelial cells that can be sampled noninvasively. While the bronchial gene expression biomarker is being adopted clinically, further work is necessary to explore the potential clinical utility of gene expression profiling in the nasal epithelium for lung cancer diagnosis, lung cancer risk assessment, and precision medicine for lung cancer treatment and chemoprevention. Clin Cancer Res; 24(13); 2984-92. ©2018 AACR.
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Affiliation(s)
- Ehab Billatos
- Section of Computational Biomedicine, Department of Medicine and BU-BMC Cancer Center, Boston University, Boston, Massachusetts
| | - Jessica L Vick
- Section of Computational Biomedicine, Department of Medicine and BU-BMC Cancer Center, Boston University, Boston, Massachusetts
| | - Marc E Lenburg
- Section of Computational Biomedicine, Department of Medicine and BU-BMC Cancer Center, Boston University, Boston, Massachusetts
| | - Avrum E Spira
- Section of Computational Biomedicine, Department of Medicine and BU-BMC Cancer Center, Boston University, Boston, Massachusetts.
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90
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Farzan N, Vijverberg SJ, Kabesch M, Sterk PJ, Maitland-van der Zee AH. The use of pharmacogenomics, epigenomics, and transcriptomics to improve childhood asthma management: Where do we stand? Pediatr Pulmonol 2018; 53:836-845. [PMID: 29493882 DOI: 10.1002/ppul.23976] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/08/2017] [Accepted: 02/01/2018] [Indexed: 01/11/2023]
Abstract
Asthma is a complex multifactorial disease and it is the most common chronic disease in children. There is a high variability in response to asthma treatment, even in patients with good adherence to maintenance treatment, and a correct inhalation technique. Distinct underlying disease mechanisms in childhood asthma might be the reason of this heterogeneity. A deeper knowledge of the underlying molecular mechanisms of asthma has led to the recent development of advanced and mechanism-based treatments such as biologicals. However, biologicals are recommended only for patients with specific asthma phenotypes who remain uncontrolled despite high dosages of conventional asthma treatment. One of the main unmet needs in their application is lack of clinically available biomarkers to individualize pediatric asthma management and guide treatment. Pharmacogenomics, epigenomics, and transcriptomics are three omics fields that are rapidly advancing and can provide tools to identify novel asthma mechanisms and biomarkers to guide treatment. Pharmacogenomics focuses on variants in the DNA, epigenomics studies heritable changes that do not involve changes in the DNA sequence but lead to alteration of gene expression, and transcriptomics investigates gene expression by studying the complete set of mRNA transcripts in a cell or a population of cells. Advances in high-throughput technologies and statistical tools together with well-phenotyped patient inclusion and collaborations between different centers will expand our knowledge of underlying molecular mechanisms involved in disease onset and progress. Furthermore, it could help to select and stratify appropriate therapeutic strategies for subgroups of patients and hopefully bring precision medicine to daily practice.
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Affiliation(s)
- Niloufar Farzan
- Department of Respiratory Medicine, Academic Medical Center (AMC), University of Amsterdam, Amsterdam, The Netherlands
| | - Susanne J Vijverberg
- Department of Respiratory Medicine, Academic Medical Center (AMC), University of Amsterdam, Amsterdam, The Netherlands
| | - Michael Kabesch
- Department of Pediatric Pneumology and Allergy, University Children's Hospital Regensburg (KUNO), Regensburg, Germany
| | - Peter J Sterk
- Department of Respiratory Medicine, Academic Medical Center (AMC), University of Amsterdam, Amsterdam, The Netherlands
| | - Anke H Maitland-van der Zee
- Department of Respiratory Medicine, Academic Medical Center (AMC), University of Amsterdam, Amsterdam, The Netherlands
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91
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Li CL, Xu ZB, Fan XL, Chen HX, Yu QN, Fang SB, Wang SY, Lin YD, Fu QL. MicroRNA-21 Mediates the Protective Effects of Mesenchymal Stem Cells Derived from iPSCs to Human Bronchial Epithelial Cell Injury Under Hypoxia. Cell Transplant 2018; 27:571-583. [PMID: 29806480 PMCID: PMC6038046 DOI: 10.1177/0963689718767159] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
Abstract
Airway epithelial cell injury is a key triggering event to activate allergic airway inflammation, such as asthma. We previously reported that administration of mesenchymal stem cells (MSCs) significantly alleviated allergic inflammation in a mouse model of asthma, and the mmu-miR-21/ACVR2A axis may be involved. However, whether MSCs protect against bronchial epithelial cell injury induced by hypoxia, and the underlying mechanism, remain unknown. In our study, the human bronchial epithelial cell line BEAS-2B was induced to undergo apoptosis with a hypoxia mimic of cobalt chloride (CoCl2) damage. Treatment of MSCs derived from induced pluripotent stem cells (iPSCs) significantly decreased apoptosis of BEAS-2B cells. There was high miR-21 expression in injured BEAS-2B cells after MSC treatment. Transfection of the miR-21 mimic significantly decreased apoptosis of BEAS-2B, and transfection of a miR-21 inhibitor significantly increased apoptosis. More importantly, the protective effects of MSCs on injured BEAS-2B were reversed by transfection of the miR-21 inhibitor. Binding sites of human miR-21 were identified in the 3’UTR of human ACVR2A. We further determined that CoCl2 stimulation increased ACVR2A expression at both the mRNA and protein levels. Moreover, transfection of the miR-21 mimic further up-regulated ACVR2A expression induced by CoCl2, whereas transfection of the miR-21 inhibitor down-regulated ACVR2A expression. In addition, MSCs increased ACVR2A expression in BEAS-2B cells; however, this effect was reversed after transfection of the miR-21 inhibitor. Our data suggested that MSCs protect bronchial epithelial cells from hypoxic injury via miR-21, which may represent an important target. These findings suggest the potentially wide application of MSCs for epithelial cell injury during hypoxia.
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Affiliation(s)
- Cheng-Lin Li
- 1 Otorhinolaryngology Hospital, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China.,2 Centre for Stem Cell Clinical Research and Application, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Zhi-Bin Xu
- 1 Otorhinolaryngology Hospital, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China.,2 Centre for Stem Cell Clinical Research and Application, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Xing-Liang Fan
- 1 Otorhinolaryngology Hospital, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China.,2 Centre for Stem Cell Clinical Research and Application, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - He-Xin Chen
- 1 Otorhinolaryngology Hospital, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Qiu-Ning Yu
- 1 Otorhinolaryngology Hospital, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Shu-Bin Fang
- 1 Otorhinolaryngology Hospital, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Shu-Yue Wang
- 1 Otorhinolaryngology Hospital, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Yong-Dong Lin
- 1 Otorhinolaryngology Hospital, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Qing-Ling Fu
- 1 Otorhinolaryngology Hospital, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China.,2 Centre for Stem Cell Clinical Research and Application, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
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92
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Chen Y, Thomas PS, Kumar RK, Herbert C. The role of noncoding RNAs in regulating epithelial responses in COPD. Am J Physiol Lung Cell Mol Physiol 2018; 315:L184-L192. [PMID: 29722561 DOI: 10.1152/ajplung.00063.2018] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023] Open
Abstract
Chronic obstructive pulmonary disease (COPD), one of the leading causes of death in the world, is a chronic inflammatory disease of the airways usually caused by long-term exposure to inhaled irritants. Airway epithelial cells (AECs) play a key role in initializing COPD and driving the exacerbation of this disease through the release of various cytokines. This AEC-derived cytokine response is tightly regulated possibly through the regulatory effects of noncoding RNAs (ncRNAs). Although the importance of ncRNAs in pulmonary diseases has been increasingly realized, little is known about the role of ncRNA in the regulation of inflammatory responses in COPD. This review outlines the features of AEC-derived cytokine responses in COPD and how ncRNAs regulate these inflammatory responses.
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Affiliation(s)
- Yifan Chen
- Department of Pathology, School of Medical Sciences, University of New South Wales Australia , Sydney , Australia
| | - Paul S Thomas
- Department of Pathology, School of Medical Sciences, University of New South Wales Australia , Sydney , Australia.,Department of Respiratory Medicine, Prince of Wales Hospital , Sydney , Australia
| | - Rakesh K Kumar
- Department of Pathology, School of Medical Sciences, University of New South Wales Australia , Sydney , Australia
| | - Cristan Herbert
- Department of Pathology, School of Medical Sciences, University of New South Wales Australia , Sydney , Australia
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93
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MicroRNAs in Smoking-Related Carcinogenesis: Biomarkers, Functions, and Therapy. J Clin Med 2018; 7:jcm7050098. [PMID: 29723992 PMCID: PMC5977137 DOI: 10.3390/jcm7050098] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2018] [Revised: 04/21/2018] [Accepted: 04/25/2018] [Indexed: 12/11/2022] Open
Abstract
Long-term heavy cigarette smoking is a well-known high-risk factor for carcinogenesis in various organs such as the head and neck, lungs, and urinary bladder. Furthermore, cigarette smoking can systemically accelerate aging, and as the result, promoting carcinogenesis via changing the host microenvironment. Various inflammatory factors, hormones, and chemical mediators induced by smoking mediate carcinoma-related molecules and induce carcinogenesis. MicroRNAs (miRNAs) are a family of short noncoding RNA molecules that bind to mRNAs and inhibit their expression. Cigarette smoke induces the expression of various miRNAs, many of which are known to function in the post-transcriptional silencing of anticancer molecules, thereby leading to smoking-induced carcinogenesis. Analysis of expression profiles of smoking-induced miRNAs can help identify biomarkers for the diagnosis and prognosis of smoking-related cancers and prediction of therapeutic responses, as well as revealing promising therapeutic targets. Here, we introduce the most recent and useful findings of miRNA analyses focused on lung cancer and urinary bladder cancer, which are strongly associated with cigarette smoking, and discuss the utility of miRNAs as clinical biomarkers.
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94
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Advani J, Subbannayya Y, Patel K, Khan AA, Patil AH, Jain AP, Solanki HS, Radhakrishnan A, Pinto SM, Sahasrabuddhe NA, Thomas JK, Mathur PP, Nair BG, Chang X, Prasad TSK, Sidransky D, Gowda H, Chatterjee A. Long-Term Cigarette Smoke Exposure and Changes in MiRNA Expression and Proteome in Non-Small-Cell Lung Cancer. OMICS-A JOURNAL OF INTEGRATIVE BIOLOGY 2018; 21:390-403. [PMID: 28692419 DOI: 10.1089/omi.2017.0045] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Chronic exposure to cigarette smoke markedly increases the risk for lung cancer. Regulation of gene expression at the post-transcriptional level by miRNAs influences a variety of cancer-related interactomes. Yet, relatively little is known on the effects of long-term cigarette smoke exposure on miRNA expression and gene regulation. NCI-H292 (H292) is a cell line sensitive to cigarette smoke with mucoepidermoid characteristics in culture. We report, in this study, original observations on long-term (12 months) cigarette smoke effects in the H292 cell line, using microarray-based miRNA expression profiling, and stable isotopic labeling with amino acids in cell culture-based quantitative proteomic analysis. We identified 112 upregulated and 147 downregulated miRNAs (by twofold) in cigarette smoke-treated H292 cells. The liquid chromatography-tandem mass spectrometry analysis identified 3,959 proteins, of which, 303 proteins were overexpressed and 112 proteins downregulated (by twofold). We observed 39 miRNA target pairs (proven targets) that were differentially expressed in response to chronic cigarette smoke exposure. Gene ontology analysis of the target proteins revealed enrichment of proteins in biological processes driving metabolism, cell communication, and nucleic acid metabolism. Pathway analysis revealed the enrichment of phagosome maturation, antigen presentation pathway, nuclear factor erythroid 2-related factor 2-mediated oxidative stress response, and cholesterol biosynthesis pathways in cigarette smoke-exposed cells. In conclusion, this report makes an important contribution to knowledge on molecular changes in a lung cell line in response to long term cigarette smoke exposure. The findings might inform future strategies for drug target, biomarker and diagnostics innovation in lung cancer, and clinical oncology. These observations also call for further research on the extent to which continuing or stopping cigarette smoking in patients diagnosed with lung cancer translates into molecular and clinical outcomes.
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Affiliation(s)
- Jayshree Advani
- 1 Institute of Bioinformatics , International Technology Park, Bangalore, India
| | - Yashwanth Subbannayya
- 2 YU-IOB Center for Systems Biology and Molecular Medicine, Yenepoya University , Mangalore, India
| | - Krishna Patel
- 1 Institute of Bioinformatics , International Technology Park, Bangalore, India .,3 Amrita School of Biotechnology , Amrita Vishwa Vidyapeetham, Kollam, India
| | - Aafaque Ahmad Khan
- 1 Institute of Bioinformatics , International Technology Park, Bangalore, India .,4 School of Biotechnology, KIIT University , Bhubaneswar, India
| | - Arun H Patil
- 1 Institute of Bioinformatics , International Technology Park, Bangalore, India .,2 YU-IOB Center for Systems Biology and Molecular Medicine, Yenepoya University , Mangalore, India .,4 School of Biotechnology, KIIT University , Bhubaneswar, India
| | - Ankit P Jain
- 1 Institute of Bioinformatics , International Technology Park, Bangalore, India .,4 School of Biotechnology, KIIT University , Bhubaneswar, India
| | - Hitendra S Solanki
- 1 Institute of Bioinformatics , International Technology Park, Bangalore, India .,4 School of Biotechnology, KIIT University , Bhubaneswar, India
| | | | - Sneha M Pinto
- 2 YU-IOB Center for Systems Biology and Molecular Medicine, Yenepoya University , Mangalore, India
| | | | - Joji K Thomas
- 1 Institute of Bioinformatics , International Technology Park, Bangalore, India
| | | | - Bipin G Nair
- 3 Amrita School of Biotechnology , Amrita Vishwa Vidyapeetham, Kollam, India
| | - Xiaofei Chang
- 5 Department of Otolaryngology-Head and Neck Surgery, Johns Hopkins University School of Medicine , Baltimore, Maryland
| | - T S Keshava Prasad
- 1 Institute of Bioinformatics , International Technology Park, Bangalore, India .,2 YU-IOB Center for Systems Biology and Molecular Medicine, Yenepoya University , Mangalore, India
| | - David Sidransky
- 5 Department of Otolaryngology-Head and Neck Surgery, Johns Hopkins University School of Medicine , Baltimore, Maryland
| | - Harsha Gowda
- 1 Institute of Bioinformatics , International Technology Park, Bangalore, India .,2 YU-IOB Center for Systems Biology and Molecular Medicine, Yenepoya University , Mangalore, India
| | - Aditi Chatterjee
- 1 Institute of Bioinformatics , International Technology Park, Bangalore, India .,2 YU-IOB Center for Systems Biology and Molecular Medicine, Yenepoya University , Mangalore, India
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95
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Suitability of biomarkers of biological effects (BOBEs) for assessing the likelihood of reducing the tobacco related disease risk by new and innovative tobacco products: A literature review. Regul Toxicol Pharmacol 2018; 94:203-233. [DOI: 10.1016/j.yrtph.2018.02.002] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2017] [Revised: 02/04/2018] [Accepted: 02/05/2018] [Indexed: 02/07/2023]
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96
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MicroRNA-9 and Cell Proliferation in Lipopolysaccharide and Dexamethasone-Treated Naïve and Desialylated A549 Cells Grown in Cigarette Smoke Conditioned Medium. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2018. [PMID: 29492899 DOI: 10.1007/5584_2018_168] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register]
Abstract
In this study we assessed microRNA-9 (miR-9) levels (RT-PCR) and cell proliferation (flow cytometry) in naïve and desialylated human alveolar epithelial cells (A549 cells), grown for 24 h in cigarette smoke-conditioned medium. Cells were additionally treated with lipopolysaccharide (LPS) and/or dexamethasone. Proliferation positively correlated with miR-9 levels in both naïve and desialylated cells. Cigarette smoke decreased miR-9 levels in both cell types by about three-fold but there was no significant correlation between both parameters. Dexamethasone was without substantial effect on cigarette smoke-induced changes in proliferation of naïve cells, but some normalization was observed in desialylated cells. Dexamethasone increased miR-9 levels in both cell types grown in cigarette smoke-medium but the effect was stronger in desialylated cells. LPS increased cell proliferation and miR-9 by more than six-fold only in naïve cells, while correlation coefficient for both parameters in cigarette smoke-LPS group was 0.41. Herein we identify miR-9 as the cigarette smoke (decrease) and LPS-responsive but dexamethasone-unresponsive microRNA. It is possible that increased miR-9 levels in naïve A549 cells treated with LPS may be related to the activation of Toll-like receptor 4. Moreover, differences in cell response (both miR-9 and proliferation) to dexamethasone in naïve and desialylated cells may point to non-genomic dexamethasone effects.
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97
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Blood and lung microRNAs as biomarkers of pulmonary tumorigenesis in cigarette smoke-exposed mice. Oncotarget 2018; 7:84758-84774. [PMID: 27713172 PMCID: PMC5341294 DOI: 10.18632/oncotarget.12475] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2016] [Accepted: 09/22/2016] [Indexed: 12/28/2022] Open
Abstract
Cigarette smoke (CS) is known to dysregulate microRNA expression profiles in the lungs of mice, rats, and humans, thereby modulating several pathways involved in lung carcinogenesis and other CS-related diseases. We designed a study aimed at evaluating (a) the expression of 1135 microRNAs in the lung of Swiss H mice exposed to mainstream CS during the first 4 months of life and thereafter kept in filtered air for an additional 3.5 months, (b) the relationship between lung microRNA profiles and histopathological alterations in the lung, (c) intergender differences in microRNA expression, and (d) the comparison with microRNA profiles in blood serum. CS caused multiple histopathological alterations in the lung, which were almost absent in sham-exposed mice. An extensive microRNA dysregulation was detected in the lung of CS-exposed mice. Modulation of microRNA profiles was specifically related to the histopathological picture, no effect being detected in lung fragments with non-neoplastic lung diseases (emphysema or alveolar epithelial hyperplasia), whereas a close association occurred with the presence and multiplicity of preneoplastic lesions (microadenomas) and benign lung tumors (adenomas). Three microRNAs regulating estrogen and HER2-dependent mechanisms were modulated in the lung of adenoma-bearing female mice. Blood microRNAs were also modulated in mice affected by early neoplastic lesions. However, there was a poor association between lung microRNAs and circulating microRNAs, which can be ascribed to an impaired release of mature microRNAs from the damaged lung. Studies in progress are evaluating the feasibility of analyzing blood microRNAs as a molecular tool for lung cancer secondary prevention.
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98
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Sakai H, Suto W, Kai Y, Chiba Y. Mechanisms underlying the pathogenesis of hyper-contractility of bronchial smooth muscle in allergic asthma. J Smooth Muscle Res 2018; 53:37-47. [PMID: 28484126 PMCID: PMC5411784 DOI: 10.1540/jsmr.53.37] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Airway hyperresponsiveness (AHR) and inflammation are key pathophysiological
features of asthma. Enhanced contraction of bronchial smooth muscle (BSM) is one
of the causes of the AHR. It is thus important for development of asthma therapy
to understand the change in the contractile signaling of airway smooth muscle
cells associated with the AHR. In addition to the Ca2+-mediated
phosphorylation of myosin light chain (MLC), contractile agonists also enhance
MLC phosphorylation level, Ca2+-independently, by inactivating MLC
phosphatase (MLCP), called Ca2+ sensitization of contraction, in
smooth muscle cells including airways. To date, involvements of RhoA/ROCKs and
PKC/Ppp1r14a (also called as CPI-17) pathways in the Ca2+
sensitization have been identified. Our previous studies revealed that the
agonist-induced Ca2+ sensitization of contraction is markedly
augmented in BSMs of animal models of allergen-induced AHR. In BSMs of these
animal models, the expression of RhoA and CPI-17 proteins were significantly
increased, indicating that both the Ca2+ sensitizing pathways are
augmented. Interestingly, incubation of BSM cells with asthma-associated
cytokines, such as interleukin-13 (IL-13), IL-17, and tumor necrosis factor-α
(TNF-α), caused up-regulations of RhoA and CPI-17 in BSM cells of naive animals
and cultured human BSM cells. In addition to the transcription factors such as
STAT6 and NF-κB activated by these inflammatory cytokines, an involvement of
down-regulation of miR-133a, a microRNA that negatively regulates RhoA
translation, has also been suggested in the IL-13- and IL-17-induced
up-regulation of RhoA. Thus, the Ca2+ sensitizing pathways and the
cytokine-mediated signaling including microRNAs in BSMs might be potential
targets for treatment of allergic asthma, especially the AHR.
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Affiliation(s)
- Hiroyasu Sakai
- Department of Analytical Pathophysiology, Hoshi University
| | - Wataru Suto
- Department of Physiology and Molecular Sciences, Hoshi University
| | - Yuki Kai
- Department of Analytical Pathophysiology, Hoshi University
| | - Yoshihiko Chiba
- Department of Physiology and Molecular Sciences, Hoshi University
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99
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Narożna B, Langwiński W, Szczepankiewicz A. Non-Coding RNAs in Pediatric Airway Diseases. Genes (Basel) 2017; 8:genes8120348. [PMID: 29186897 PMCID: PMC5748666 DOI: 10.3390/genes8120348] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2017] [Revised: 11/18/2017] [Accepted: 11/21/2017] [Indexed: 12/18/2022] Open
Abstract
Non-coding RNAs (ncRNAs) are involved in the regulation of numerous biological processes and pathways and therefore have been extensively studied in human diseases. Previous reports have shown that non-coding RNAs play a crucial role in the pathogenesis and aberrant regulation of respiratory diseases. The altered expression of microRNAs (miRNAs) and long non-coding RNAs in blood and also locally in sputum or exhaled breath condensate influences lung function, immune response, and disease phenotype and may be used for the development of biomarkers specific for airway disease. In this review, we provide an overview of the recent works studying the non-coding RNAs in airway diseases, with a particular focus on chronic respiratory diseases of childhood. We have chosen the most common chronic respiratory condition—asthma—and the most severe, chronic disease of the airways—cystic fibrosis. Study of the altered expression of non-coding RNAs in these diseases may be key to better understanding their pathogenesis and improving diagnosis, while also holding promise for the development of therapeutic strategies using the regulatory potential of non-coding RNAs.
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Affiliation(s)
- Beata Narożna
- Laboratory of Molecular and Cell Biology, Department of Pediatric Pulmonology, Allergy and Clinical Immunology, Poznan University of Medical Sciences, 60-512 Poznan, Poland.
| | - Wojciech Langwiński
- Laboratory of Molecular and Cell Biology, Department of Pediatric Pulmonology, Allergy and Clinical Immunology, Poznan University of Medical Sciences, 60-512 Poznan, Poland.
| | - Aleksandra Szczepankiewicz
- Laboratory of Molecular and Cell Biology, Department of Pediatric Pulmonology, Allergy and Clinical Immunology, Poznan University of Medical Sciences, 60-512 Poznan, Poland.
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100
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microRNA profiling in lung tissue and bronchoalveolar lavage of cigarette smoke-exposed mice and in COPD patients: a translational approach. Sci Rep 2017; 7:12871. [PMID: 28993685 PMCID: PMC5634489 DOI: 10.1038/s41598-017-13265-8] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2017] [Accepted: 09/20/2017] [Indexed: 01/01/2023] Open
Abstract
Chronic obstructive pulmonary disease (COPD) is characterized by a progressive airflow limitation and is associated with a chronic inflammatory response in both airways and lungs. microRNAs (miRNAs) are often highly conserved between species and have an intricate role within homeostatic conditions and immune responses. Also, miRNAs are dysregulated in smoking-associated diseases. We investigated the miRNA profile of 523 miRNAs by stem-loop RT-qPCR in lung tissue and cell-free bronchoalveolar lavage (BAL) supernatant of mice exposed to air or cigarette smoke (CS) for 4 or 24 weeks. After 24 weeks of CS exposure, 31 miRNAs were differentially expressed in lung tissue and 78 in BAL supernatant. Next, we correlated the miRNA profiling data to inflammation in BAL and lung, obtained by flow cytometry or ELISA. In addition, we surveyed for overlap with newly assessed miRNA profiles in bronchial biopsies and with previously assessed miRNA profiles in lung tissue and induced sputum supernatant of smokers with COPD. Several miRNAs showed concordant differential expression between both species including miR-31*, miR-155, miR-218 and let-7c. Thus, investigating miRNA profiling data in different compartments and both species provided accumulating insights in miRNAs that may be relevant in CS-induced inflammation and the pathogenesis of COPD.
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