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Zhang M, Wang J, Huo R, Liang Q, Liu J. Association between air pollution and skin cutaneous melanoma: A Mendelian randomization study. Medicine (Baltimore) 2024; 103:e38050. [PMID: 38701275 PMCID: PMC11062689 DOI: 10.1097/md.0000000000038050] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/16/2024] [Accepted: 04/05/2024] [Indexed: 05/05/2024] Open
Abstract
There has been a consistent and notable increase in the global prevalence of skin cutaneous melanoma (SKCM). Although genetic factors are closely associated with the occurrence and development of melanoma, the potential influence of environmental factors cannot be overlooked. The existing literature lacks a definitive consensus on the correlation between air pollution and the incidence rate of SKCM. This study seeks to investigate the causal relationship between air pollution, specifically focusing on particulate matter (PM) 2.5, PM2.5-10, PM10, and nitrogen oxides, and the risk of SKCM. A 2-sample Mendelian randomization (MR) method was applied, utilizing extensive publicly accessible genome-wide association studies summary datasets within European populations. The primary analytical method employed was the inverse variance weighted method. Supplementary methods, including the weighted median model, MR-Egger, simple model, and weighted model, were chosen to ensure robust analysis. Heterogeneity assessment was conducted using Cochran's Q test. To identify potential pleiotropy, both MR-Egger regression and the MR-PRESSO global test were employed. Additionally, a sensitivity analysis was performed using the leave-one-out method. The analysis revealed no statistically significant association between air pollution and SKCM risk, with specific findings as follows: PM2.5 (P = .485), PM2.5-10 (P = .535), PM10 (P = .136), and nitrogen oxides (P = .745). While some results exhibited heterogeneity, all findings demonstrated an absence of pleiotropy. This study did not find substantive evidence supporting a causal relationship between air pollution and the risk of SKCM within European populations. The comprehensive MR analysis, encompassing various pollutants, suggests that environmental factors such as air pollution may not be significant contributors to the development of SKCM.
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Affiliation(s)
- Min Zhang
- Department of Dermatology, Xiangya Hospital, Central South University, Changsha, Hunan, P.R. China
| | - Jianfeng Wang
- Department of Gastrointestinal Surgery, 970 Hospital of the PLA Joint Logistic Support Force, Yantai, Shandong, P.R. China
| | - Rentao Huo
- The Fourth People’s Hospital of Jinan, Jinan, Shandong, P.R. China
| | - Qian Liang
- Department of Pathology, University of Texas Southwestern Medical Center, Dallas, TX
| | - Jian Liu
- Department of Otolaryngology-Head and Neck Surgery, QingPu Branch of Zhongshan Hospital Affiliated to Fudan University, Shanghai, P.R. China
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2
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Jin S, Yoon SJ, Jung NY, Lee WS, Jeong J, Park YJ, Kim W, Oh DB, Seo J. Antioxidants prevent particulate matter-induced senescence of lung fibroblasts. Heliyon 2023; 9:e14179. [PMID: 36915477 PMCID: PMC10006845 DOI: 10.1016/j.heliyon.2023.e14179] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Revised: 02/20/2023] [Accepted: 02/23/2023] [Indexed: 03/06/2023] Open
Abstract
Particulate matter (PM) contributes to human diseases, particularly lung disease; however, the molecular mechanism of its action is yet to be determined. Herein, we found that prolonged PM exposure induced the cellular senescence of normal lung fibroblasts via a DNA damage-mediated response. This PM-induced senescence (PM-IS) was only observed in lung fibroblasts but not in A549 lung adenocarcinoma cells. Mechanistic analysis revealed that reactive oxygen species (ROS) activate the DNA damage response signaling axis, increasing p53 phosphorylation, ultimately leading to cellular senescence via an increase in p21 expression without affecting the p16-pRB pathway. A549 cells, instead, were resistant to PM-IS due to the PM-induced ROS production suppression. Water-soluble antioxidants, such as vitamin C and N-Acetyl Cysteine, were found to alleviate PM-IS by suppressing ROS production, implying that antioxidants are a promising therapeutic intervention for PM-mediated lung pathogenesis.
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Affiliation(s)
- Sein Jin
- Aging Convergence Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon, 34141, South Korea
- Department of Biochemistry, Chungnam National University, Daejeon, 34134, South Korea
| | - Sung-Jin Yoon
- Environmental Disease Research Center, KRIBB, Daejeon, 34141, South Korea
| | - Na-Young Jung
- Aging Convergence Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon, 34141, South Korea
- Department of Biosystems and Bioengineering, KRIBB School of Biotechnology, University of Science and Technology (UST), Daejeon, 34113, South Korea
| | - Wang Sik Lee
- Environmental Disease Research Center, KRIBB, Daejeon, 34141, South Korea
| | - Jinyoung Jeong
- Environmental Disease Research Center, KRIBB, Daejeon, 34141, South Korea
- Department of Biosystems and Bioengineering, KRIBB School of Biotechnology, University of Science and Technology (UST), Daejeon, 34113, South Korea
| | - Young-Jun Park
- Environmental Disease Research Center, KRIBB, Daejeon, 34141, South Korea
- Department of Biomolecular Science, KRIBB School of Bioscience, UST, Daejeon, 34113, South Korea
| | - Wantae Kim
- Department of Biochemistry, Chungnam National University, Daejeon, 34134, South Korea
| | - Doo-Byoung Oh
- Aging Convergence Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon, 34141, South Korea
- Department of Biosystems and Bioengineering, KRIBB School of Biotechnology, University of Science and Technology (UST), Daejeon, 34113, South Korea
| | - Jinho Seo
- Aging Convergence Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon, 34141, South Korea
- Department of Biosystems and Bioengineering, KRIBB School of Biotechnology, University of Science and Technology (UST), Daejeon, 34113, South Korea
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3
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Santibáñez-Andrade M, Quezada-Maldonado EM, Rivera-Pineda A, Chirino YI, García-Cuellar CM, Sánchez-Pérez Y. The Road to Malignant Cell Transformation after Particulate Matter Exposure: From Oxidative Stress to Genotoxicity. Int J Mol Sci 2023; 24:ijms24021782. [PMID: 36675297 PMCID: PMC9860989 DOI: 10.3390/ijms24021782] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Revised: 12/31/2022] [Accepted: 01/06/2023] [Indexed: 01/17/2023] Open
Abstract
In cells, oxidative stress is an imbalance between the production/accumulation of oxidants and the ability of the antioxidant system to detoxify these reactive products. Reactive oxygen species (ROS), cause multiple cellular damages through their interaction with biomolecules such as lipids, proteins, and DNA. Genotoxic damage caused by oxidative stress has become relevant since it can lead to mutation and play a central role in malignant transformation. The evidence describes chronic oxidative stress as an important factor implicated in all stages of the multistep carcinogenic process: initiation, promotion, and progression. In recent years, ambient air pollution by particulate matter (PM) has been cataloged as a cancer risk factor, increasing the incidence of different types of tumors. Epidemiological and toxicological evidence shows how PM-induced oxidative stress could mediate multiple events oriented to carcinogenesis, such as proliferative signaling, evasion of growth suppressors, resistance to cell death, induction of angiogenesis, and activation of invasion/metastasis pathways. In this review, we summarize the findings regarding the involvement of oxidative and genotoxic mechanisms generated by PM in malignant cell transformation. We also discuss the importance of new approaches oriented to studying the development of tumors associated with PM with more accuracy, pursuing the goal of weighing the impact of oxidative stress and genotoxicity as one of the main mechanisms associated with its carcinogenic potential.
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Affiliation(s)
- Miguel Santibáñez-Andrade
- Subdirección de Investigación Básica, Instituto Nacional de Cancerología, San Fernando No. 22, Tlalpan, México City CP 14080, Mexico
| | - Ericka Marel Quezada-Maldonado
- Subdirección de Investigación Básica, Instituto Nacional de Cancerología, San Fernando No. 22, Tlalpan, México City CP 14080, Mexico
| | - Andrea Rivera-Pineda
- Subdirección de Investigación Básica, Instituto Nacional de Cancerología, San Fernando No. 22, Tlalpan, México City CP 14080, Mexico
- Departamento de Biología Celular, Centro de Investigación y de Estudios Avanzados del IPN (CINVESTAV), Av. IPN No. 2508 Col. San Pedro Zacatenco, México City CP 07360, Mexico
| | - Yolanda I. Chirino
- Unidad de Biomedicina, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, Los Reyes Iztacala, Tlalnepantla CP 54090, Mexico
| | - Claudia M. García-Cuellar
- Subdirección de Investigación Básica, Instituto Nacional de Cancerología, San Fernando No. 22, Tlalpan, México City CP 14080, Mexico
- Correspondence: (C.M.G.-C.); (Y.S.-P.); Tel.: +52-(55)-3693-5200 (ext. 209) (Y.S.-P.)
| | - Yesennia Sánchez-Pérez
- Subdirección de Investigación Básica, Instituto Nacional de Cancerología, San Fernando No. 22, Tlalpan, México City CP 14080, Mexico
- Correspondence: (C.M.G.-C.); (Y.S.-P.); Tel.: +52-(55)-3693-5200 (ext. 209) (Y.S.-P.)
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Lakhdar R, Mumby S, Abubakar-Waziri H, Porter A, Adcock IM, Chung KF. Lung toxicity of particulates and gaseous pollutants using ex-vivo airway epithelial cell culture systems. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 305:119323. [PMID: 35447256 DOI: 10.1016/j.envpol.2022.119323] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/08/2022] [Revised: 04/14/2022] [Accepted: 04/14/2022] [Indexed: 06/14/2023]
Abstract
Air pollution consists of a multi-faceted mix of gases and ambient particulate matter (PM) with diverse organic and non-organic chemical components that contribute to increasing morbidity and mortality worldwide. In particular, epidemiological and clinical studies indicate that respiratory health is adversely affected by exposure to air pollution by both causing and worsening (exacerbating) diseases such as chronic obstructive pulmonary disease (COPD), asthma, interstitial pulmonary fibrosis and lung cancer. The molecular mechanisms of air pollution-induced pulmonary toxicity have been evaluated with regards to different types of PM of various sizes and concentrations with single and multiple exposures over different time periods. These data provide a plausible interrelationship between cellular toxicity and the activation of multiple biological processes including proinflammatory responses, oxidative stress, mitochondrial oxidative damage, autophagy, apoptosis, cell genotoxicity, cellular senescence and epithelial-mesenchymal transition. However, these molecular changes have been studied predominantly in cell lines rather than in primary bronchial or nasal cells from healthy subjects or those isolated from patients with airways disease. In addition, they have been conducted under different cell culture conditions and generally in submerged culture rather than the more relevant air-liquid interface culture and with a variety of air pollutant exposure protocols. Cell types may respond differentially to pollution delivered as an aerosol rather than being bathed in media containing agglomerations of particles. As a result, the actual pathophysiological pathways activated by different PMs in primary cells from the airways of healthy and asthmatic subjects remains unclear. This review summarises the literature on the different methodologies utilised in studying the impact of submicron-sized pollutants on cells derived from the respiratory tract with an emphasis on data obtained from primary human cell. We highlight the critical underlying molecular mechanisms that may be important in driving disease processes in response to air pollution in vivo.
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Affiliation(s)
- Ramzi Lakhdar
- National Heart and Lung Institute and *Department of Materials, Imperial College London, London, SW3 6LY, United Kingdom.
| | - Sharon Mumby
- National Heart and Lung Institute and *Department of Materials, Imperial College London, London, SW3 6LY, United Kingdom.
| | - Hisham Abubakar-Waziri
- National Heart and Lung Institute and *Department of Materials, Imperial College London, London, SW3 6LY, United Kingdom.
| | - Alexandra Porter
- National Heart and Lung Institute and *Department of Materials, Imperial College London, London, SW3 6LY, United Kingdom.
| | - Ian M Adcock
- National Heart and Lung Institute and *Department of Materials, Imperial College London, London, SW3 6LY, United Kingdom.
| | - Kian Fan Chung
- National Heart and Lung Institute and *Department of Materials, Imperial College London, London, SW3 6LY, United Kingdom.
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5
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Rangel-López E, Robles-Bañuelos B, Guadiana-Ramírez N, Alvarez-Garduño V, Galván-Arzate S, Zazueta C, Karasu C, Túnez I, Tinkov A, Aschner M, Santamaría A. Thallium Induces Antiproliferative and Cytotoxic Activity in Glioblastoma C6 and U373 Cell Cultures via Apoptosis and Changes in Cell Cycle. Neurotox Res 2022; 40:814-824. [PMID: 35476314 DOI: 10.1007/s12640-022-00514-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2021] [Revised: 04/03/2022] [Accepted: 04/18/2022] [Indexed: 10/18/2022]
Abstract
Thallium (Tl+) is a heavy metal that causes toxicity in several organs, including the brain. Its cytotoxic profile, combined with its affinity for tumor cells when used as a radioligand for labeling these cells, suggests its potential use as antitumor therapy. In this study, glioblastoma cell lines C6 (from rat) and U373 (from human) were exposed to increased concentrations of thallium(I) acetate (5, 10, 50, 100, or 200 µM) and several toxic endpoints were evaluated, including loss of confluence and morphological changes, loss of cell viability, changes in cell cycle, and apoptosis. Tl+ was detected in cells exposed to thallium(I) acetate, demonstrating efficient uptake mechanism. Confluence in both cell lines decreased in a concentration-dependent manner (50-200 µM), while morphological changes (cell shrinkage and decreased cell volume) were more evident at exposures to higher Tl+ concentrations. For both parameters, the effects of Tl+ were more prominent in C6 cells compared to U373 cells. The same trend was observed for cell viability, with Tl+ affecting this parameter in C6 cells at low concentrations, whereas U373 cells showed greater resistance, with significant changes observed only at the higher concentrations. C6 and U373 cells treated with Tl+ also showed morphological characteristics corresponding to apoptosis. The cytotoxic effects of Tl+ were also assessed in neural and astrocytic primary cultures from the whole rat brain. Primary neural and astrocytic cultures were less sensitive than C6 and U373 cells, showing changes in cell viability at 50 and 100 µM concentrations, respectively. Cell cycle in both brain tumor cell lines was altered by Tl+ in G1/G2 and S phases. In addition, when combined with temozolamide (500 µM), Tl+ elicited cell cycle alterations, increasing SubG1 population. Combined, our novel results characterize and validate the cytotoxic and antiproliferative effects of Tl+ in glioblastoma cells.
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Affiliation(s)
- Edgar Rangel-López
- Laboratorio de Aminoácidos Excitadores/Laboratorio de Neurofarmacología Molecular y Nanotecnología, Instituto Nacional de Neurología y Neurocirugía, 14269, Mexico City, Mexico.
| | - Benjamín Robles-Bañuelos
- Laboratorio de Aminoácidos Excitadores/Laboratorio de Neurofarmacología Molecular y Nanotecnología, Instituto Nacional de Neurología y Neurocirugía, 14269, Mexico City, Mexico
| | - Natalia Guadiana-Ramírez
- Laboratorio de Aminoácidos Excitadores/Laboratorio de Neurofarmacología Molecular y Nanotecnología, Instituto Nacional de Neurología y Neurocirugía, 14269, Mexico City, Mexico
| | - Valeria Alvarez-Garduño
- Laboratorio de Aminoácidos Excitadores/Laboratorio de Neurofarmacología Molecular y Nanotecnología, Instituto Nacional de Neurología y Neurocirugía, 14269, Mexico City, Mexico
| | - Sonia Galván-Arzate
- Departamento de Neuroquímica, Instituto Nacional de Neurología y Neurocirugía, 14269, Mexico City, Mexico
| | - Cecilia Zazueta
- Departamento de Biomedicina Cardiovascular, Instituto Nacional de Cardiología Ignacio Chávez, 14080, Mexico City, Mexico
| | - Cimen Karasu
- Cellular Stress Response and Signal Transduction Research Laboratory, Faculty of Medicine, Department of Medical Pharmacology, Gazi University, Beşevler, 06500, Turkey
| | - Isaac Túnez
- Instituto de Investigaciones Biomédicas Maimonides de Córdoba (IMIBIC), Córdoba, Spain.,Departamento de Bioquímica y Biología Molecular, Facultad de Medicina y Enfermería, Universidad de Córdoba, Córdoba, Spain.,Red Española de Excelencia en Estimulación Cerebral (REDESTIM), Córdoba, Spain
| | - Alexey Tinkov
- IM Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russia.,Yaroslavl State University, Yaroslavl, Russia
| | - Michael Aschner
- Department of Molecular Pharmacology, Albert Einstein College of Medicine, Bronx, NY, 10461, USA
| | - Abel Santamaría
- Laboratorio de Aminoácidos Excitadores/Laboratorio de Neurofarmacología Molecular y Nanotecnología, Instituto Nacional de Neurología y Neurocirugía, 14269, Mexico City, Mexico.
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6
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Zhang L, Ou C, Magana-Arachchi D, Vithanage M, Vanka KS, Palanisami T, Masakorala K, Wijesekara H, Yan Y, Bolan N, Kirkham MB. Indoor Particulate Matter in Urban Households: Sources, Pathways, Characteristics, Health Effects, and Exposure Mitigation. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:11055. [PMID: 34769574 PMCID: PMC8582694 DOI: 10.3390/ijerph182111055] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/05/2021] [Revised: 10/14/2021] [Accepted: 10/15/2021] [Indexed: 02/07/2023]
Abstract
Particulate matter (PM) is a complex mixture of solid particles and liquid droplets suspended in the air with varying size, shape, and chemical composition which intensifies significant concern due to severe health effects. Based on the well-established human health effects of outdoor PM, health-based standards for outdoor air have been promoted (e.g., the National Ambient Air Quality Standards formulated by the U.S.). Due to the exchange of indoor and outdoor air, the chemical composition of indoor particulate matter is related to the sources and components of outdoor PM. However, PM in the indoor environment has the potential to exceed outdoor PM levels. Indoor PM includes particles of outdoor origin that drift indoors and particles that originate from indoor activities, which include cooking, fireplaces, smoking, fuel combustion for heating, human activities, and burning incense. Indoor PM can be enriched with inorganic and organic contaminants, including toxic heavy metals and carcinogenic volatile organic compounds. As a potential health hazard, indoor exposure to PM has received increased attention in recent years because people spend most of their time indoors. In addition, as the quantity, quality, and scope of the research have expanded, it is necessary to conduct a systematic review of indoor PM. This review discusses the sources, pathways, characteristics, health effects, and exposure mitigation of indoor PM. Practical solutions and steps to reduce exposure to indoor PM are also discussed.
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Affiliation(s)
- Ling Zhang
- Nantong Key Laboratory of Intelligent and New Energy Materials, Nantong University, Nantong 226019, China;
- School of Health, Jiangsu Food & Pharmaceutical Science College, Huai’an 223003, China
| | - Changjin Ou
- Nantong Key Laboratory of Intelligent and New Energy Materials, Nantong University, Nantong 226019, China;
| | - Dhammika Magana-Arachchi
- Molecular Microbiology and Human Diseases Project, National Institute of Fundamental Studies, Hantana Road, Kandy 20000, Sri Lanka; (D.M.-A.); (M.V.)
| | - Meththika Vithanage
- Molecular Microbiology and Human Diseases Project, National Institute of Fundamental Studies, Hantana Road, Kandy 20000, Sri Lanka; (D.M.-A.); (M.V.)
- Ecosphere Resilience Research Center, Faculty of Applied Sciences, University of Sri Jayewardenepura, Nugegoda 10250, Sri Lanka
| | - Kanth Swaroop Vanka
- Priority Research Centre for Healthy Lungs, Faculty of Health and Medicine, School of Biomedical Sciences and Pharmacy, The University of Newcastle, Callaghan, NSW 2308, Australia;
| | - Thava Palanisami
- Global Innovative Centre for Advanced Nanomaterials (GICAN), Faculty of Engineering and Built Environment, The University of Newcastle, Callaghan, NSW 2308, Australia;
| | - Kanaji Masakorala
- Department of Botany, Faculty of Science, University of Ruhuna, Matara 80000, Sri Lanka;
| | - Hasintha Wijesekara
- Department of Natural Resources, Faculty of Applied Sciences, Sabaragamuwa University of Sri Lanka, Belihuloya 70140, Sri Lanka;
| | - Yubo Yan
- Jiangsu Engineering Laboratory for Environment Functional Materials, Huaiyin Normal University, Huai’an 223300, China
| | - Nanthi Bolan
- School of Agriculture and Environment, Institute of Agriculture, The University of Western Australia, Perth, WA 6001, Australia;
| | - M. B. Kirkham
- Department of Agronomy, Kansas State University, Manhattan, KS 66506, USA;
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Quezada-Maldonado EM, Sánchez-Pérez Y, Chirino YI, García-Cuellar CM. Airborne particulate matter induces oxidative damage, DNA adduct formation and alterations in DNA repair pathways. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 287:117313. [PMID: 34022687 DOI: 10.1016/j.envpol.2021.117313] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/11/2021] [Revised: 04/12/2021] [Accepted: 05/02/2021] [Indexed: 06/12/2023]
Abstract
Air pollution, which includes particulate matter (PM), is classified in group 1 as a carcinogen to humans by the International Agency for Research in Cancer. Specifically, PM exposure has been associated with lung cancer in patients living in highly polluted cities. The precise mechanism by which PM is linked to cancer has not been completely described, and the genotoxicity induced by PM exposure plays a relevant role in cell damage. In this review, we aimed to analyze the types of DNA damage and alterations in DNA repair pathways induced by PM exposure, from both epidemiological and toxicological studies, to comprehend the contribution of PM exposure to carcinogenesis. Scientific evidence supports that PM exposure mainly causes oxidative stress by reactive oxygen species (ROS) and the formation of DNA adducts, specifically by polycyclic aromatic hydrocarbons (PAH). PM exposure also induces double-strand breaks (DSBs) and deregulates the expression of some proteins in DNA repair pathways, precisely, base and nucleotide excision repairs and homologous repair. Furthermore, specific polymorphisms of DNA repair genes could lead to an adverse response in subjects exposed to PM. Nevertheless, information about the effects of PM on DNA repair pathways is still limited, and it has not been possible to conclude which pathways are the most affected by exposure to PM or if DNA damage is repaired properly. Therefore, deepening the study of genotoxic damage and alterations of DNA repair pathways is needed for a more precise understanding of the carcinogenic mechanism of PM.
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Affiliation(s)
- Ericka Marel Quezada-Maldonado
- Subdirección de Investigación Básica, Instituto Nacional de Cancerología, San Fernando No. 22, Tlalpan, CP 14080, CDMX, Mexico; Programa de Doctorado en Ciencias Biomédicas, Universidad Nacional Autónoma de México, Unidad de Posgrado Edificio B, Primer Piso, Ciudad Universitaria, Coyoacán, CP 04510, Ciudad de México, Mexico
| | - Yesennia Sánchez-Pérez
- Subdirección de Investigación Básica, Instituto Nacional de Cancerología, San Fernando No. 22, Tlalpan, CP 14080, CDMX, Mexico
| | - Yolanda I Chirino
- Unidad de Biomedicina, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, Los Reyes Iztacala, Tlalnepantla de Baz, CP 54090, Estado de México, Mexico
| | - Claudia M García-Cuellar
- Subdirección de Investigación Básica, Instituto Nacional de Cancerología, San Fernando No. 22, Tlalpan, CP 14080, CDMX, Mexico.
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8
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Kermani M, Rahmatinia T, Oskoei V, Norzaee S, Shahsavani A, Farzadkia M, Kazemi MH. Potential cytotoxicity of trace elements and polycyclic aromatic hydrocarbons bounded to particulate matter: a review on in vitro studies on human lung epithelial cells. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:55888-55904. [PMID: 34490568 DOI: 10.1007/s11356-021-16306-y] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/05/2021] [Accepted: 08/29/2021] [Indexed: 06/13/2023]
Abstract
A large number of studies have been conducted for clarifying toxicological mechanisms of particulate matter (PM) aimed to investigate the physicochemical properties of PM and providing biological endpoints such as inflammation, perturbation of cell cycle, oxidative stress, or DNA damage. However, although several studies have presented some effects, there is still no consensus on the determinants of biological responses. This review attempts to summarize all past research conducted in recent years on the physicochemical properties of environmental PM in different places and the relationship between different PM components and PM potential cytotoxicity on the human lung epithelial cells. Among 447 papers with our initial principles, a total of 50 articles were selected from 1986 to April 2020 based on the chosen criteria for review. According to the results of selected studies, it is obvious that cytotoxicity in human lung epithelial cells is created both directly or indirectly by transition metals (such as Cu, Cr, Fe, Zn), polycyclic aromatic hydrocarbons (PAH), and ions that formed on the surface of particles. In the selected studies, the findings of the correlation analysis indicate that there is a significant relationship between cell viability reduction and secretion of inflammatory mediators. As a result, it seems that the observed biological responses are related to the composition and the physicochemical properties of the PMs. Therefore, the physicochemical properties of PM should be considered when explaining PM cytotoxicity, and long-term research data will lead to improved strategies to reduce air pollution.
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Affiliation(s)
- Majid Kermani
- Research Center for Environmental Health Technology, Iran University of Medical Sciences, Tehran, Iran
- Department of Environmental Health Engineering, School of Public Health, Iran University of Medical Sciences, Tehran, Iran
| | - Tahere Rahmatinia
- Research Center for Environmental Health Technology, Iran University of Medical Sciences, Tehran, Iran
- Department of Environmental Health Engineering, School of Public Health, Iran University of Medical Sciences, Tehran, Iran
| | - Vahide Oskoei
- Department of Environmental Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Samira Norzaee
- Research Center for Environmental Health Technology, Iran University of Medical Sciences, Tehran, Iran.
- Department of Environmental Health Engineering, School of Public Health, Iran University of Medical Sciences, Tehran, Iran.
| | - Abbas Shahsavani
- Air Quality and Climate Change Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
- Department of Environmental Health Engineering, School of Public Health and Safety, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mahdi Farzadkia
- Research Center for Environmental Health Technology, Iran University of Medical Sciences, Tehran, Iran
- Department of Environmental Health Engineering, School of Public Health, Iran University of Medical Sciences, Tehran, Iran
| | - Mohammad Hossein Kazemi
- Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
- Immunology Research Center, Iran University of Medical Sciences, Tehran, Iran
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9
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Chang-Chien J, Huang JL, Tsai HJ, Wang SL, Kuo ML, Yao TC. Particulate matter causes telomere shortening and increase in cellular senescence markers in human lung epithelial cells. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2021; 222:112484. [PMID: 34237641 DOI: 10.1016/j.ecoenv.2021.112484] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/03/2021] [Revised: 06/29/2021] [Accepted: 06/30/2021] [Indexed: 06/13/2023]
Abstract
Exposure to particulate matter (PM) has been associated with DNA damage, but the relationships between PM, telomere length and cellular senescence remain unclear. This study aimed to investigate the effects and potential mechanisms of PM on telomere length and cellular senescence in human lung epithelial cells. Human lung epithelial A549 cells were exposed to PM for 24 h. Cell viability and cytotoxicity were measured by the WST-1 assay and the lactate dehydrogenase release, respectively. Cellular uptake of PM was observed using transmission electron microscopy. Telomere length was measured using qPCR and expressed as T/S ratio. Cell cycle progression was analyzed by flow cytometry. Expression of human telomerase reverse transcriptase (hTERT) and cell cycle regulators was measured using mRNA by qPCR and protein levels by Western blot. Cellular senescence was determined by the expression of senescence-associated β-galactosidase (SA-β-Gal) with fluorescent microscopy and flow cytometry. Exposed to PM at the concentration of 200 μg/ml decreased cell viability and increased LDH levels in culture medium. Remarkably increased uptake of PM, shortening of telomere length, induction of G0/G1 phase arrest, and increased expression of senescence hallmarks were observed after exposure to PM in A549 cells. PM exposure induced upregulation of p21 and downregulation of proliferating cell nuclear antigen (PCNA) and hTERT expression, but no significant change in p53 expression, in A549 cells. Overall, exposure to PM may downregulate hTERT and PCNA through p53-independent induction of p21 expression, leading to telomere shortening, G0/G1 arrest and the onset of cellular senescence in human lung epithelial cells.
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Affiliation(s)
- Ju Chang-Chien
- Division of Allergy, Asthma, and Rheumatology, Department of Pediatrics, Chang Gung Memorial Hospital, 5 Fu-Hsin Street, Kweishan, Taoyuan 33305, Taiwan
| | - Jing-Long Huang
- School of Medicine, Chang Gung University College of Medicine, Taoyuan, Taiwan; Department of Pediatrics, New Taipei Municipal TuCheng Hospital, New Taipei, Taiwan; Community Medicine Research Center, Chang Gung Memorial Hospital at Keelung, Keelung, Taiwan
| | - Hui-Ju Tsai
- Institute of Population Health Sciences, National Health Research Institutes, Zhunan, Taiwan
| | - Shih-Ling Wang
- Division of Allergy, Asthma, and Rheumatology, Department of Pediatrics, Chang Gung Memorial Hospital, 5 Fu-Hsin Street, Kweishan, Taoyuan 33305, Taiwan
| | - Ming-Ling Kuo
- Division of Allergy, Asthma, and Rheumatology, Department of Pediatrics, Chang Gung Memorial Hospital, 5 Fu-Hsin Street, Kweishan, Taoyuan 33305, Taiwan; Department of Pediatrics, New Taipei Municipal TuCheng Hospital, New Taipei, Taiwan; Department of Microbiology and Immunology, Graduate Institute of Biomedical Sciences, College of Medicine, Chang Gung University, 259 Wenhua 1st Road, Kweishan, Taoyuan 33302, Taiwan.
| | - Tsung-Chieh Yao
- Division of Allergy, Asthma, and Rheumatology, Department of Pediatrics, Chang Gung Memorial Hospital, 5 Fu-Hsin Street, Kweishan, Taoyuan 33305, Taiwan; School of Medicine, Chang Gung University College of Medicine, Taoyuan, Taiwan; Community Medicine Research Center, Chang Gung Memorial Hospital at Keelung, Keelung, Taiwan.
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10
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Misiukiewicz-Stepien P, Paplinska-Goryca M. Biological effect of PM 10 on airway epithelium-focus on obstructive lung diseases. Clin Immunol 2021; 227:108754. [PMID: 33964432 DOI: 10.1016/j.clim.2021.108754] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2020] [Revised: 04/16/2021] [Accepted: 05/03/2021] [Indexed: 12/11/2022]
Abstract
Recently, a continuous increase in environmental pollution has been observed. Despite wide-scale efforts to reduce air pollutant emissions, the problem is still relevant. Exposure to elevated levels of airborne particles increased the incidence of respiratory diseases. PM10 constitute the largest fraction of air pollutants, containing particles with a diameter of less than 10 μm, metals, pollens, mineral dust and remnant material from anthropogenic activity. The natural airway defensive mechanisms against inhaled material, such as mucus layer, ciliary clearance and macrophage phagocytic activity, may be insufficient for proper respiratory function. The epithelium layer can be disrupted by ongoing oxidative stress and inflammatory processes induced by exposure to large amounts of inhaled particles as well as promote the development and exacerbation of obstructive lung diseases. This review draws attention to the current state of knowledge about the physical features of PM10 and its impact on airway epithelial cells, and obstructive pulmonary diseases.
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Affiliation(s)
- Paulina Misiukiewicz-Stepien
- Postgraduate School of Molecular Medicine, Medical University of Warsaw, Warsaw, Poland; Department of Internal Medicine, Pulmonary Diseases and Allergy, Medical University of Warsaw, Poland.
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11
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Combustion-derived particles from biomass sources differently promote epithelial-to-mesenchymal transition on A549 cells. Arch Toxicol 2021; 95:1379-1390. [PMID: 33481051 PMCID: PMC8032642 DOI: 10.1007/s00204-021-02983-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2020] [Accepted: 01/06/2021] [Indexed: 01/26/2023]
Abstract
Combustion-derived particles (CDPs), due to the presence in their composition of several toxic and carcinogenic chemical compounds, such as polycyclic aromatic hydrocarbons (PAHs) and metals, are linked to several respiratory diseases, including lung cancer. Epithelial-to-mesenchymal transition (EMT) is a crucial step in lung cancer progression, involving several morphological and phenotypical changes. The study aims to investigate how exposure to CDPs from different biomass sources might be involved in cancer development, focusing mainly on the effects linked to EMT and invasion on human A549 lung cells. Biomass combustion-derived particles (BCDPs) were collected from a stove fuelled with pellet, charcoal or wood, respectively. A time course and dose response evaluation on cell viability and pro-inflammatory response was performed to select the optimal conditions for EMT-related studies. A significant release of IL-8 was found after 72 h of exposure to 2.5 μg/cm2 BCDPs. The EMT activation was then examined by evaluating the expression of some typical markers, such as E-cadherin and N-cadherin, and the possible enhanced migration and invasiveness. Sub-acute exposure revealed that BCDPs differentially modulated cell viability, migration and invasion, as well as the expression of proteins linked to EMT. Results showed a reduction in the epithelial marker E-cadherin and a parallel increase in the mesenchymal markers N-cadherin, mainly after exposure to charcoal and wood. Migration and invasion were also increased. In conclusion, our results suggest that BCDPs with a higher content of organic compounds (e.g. PAHs) in their chemical composition might play a crucial role in inducing pro-carcinogenic effects on epithelial cells.
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12
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Airborne Particulate Matter (PM 10) Inhibits Apoptosis through PI3K/AKT/FoxO3a Pathway in Lung Epithelial Cells: The Role of a Second Oxidant Stimulus. Int J Mol Sci 2020; 21:ijms21020473. [PMID: 31940823 PMCID: PMC7014458 DOI: 10.3390/ijms21020473] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2019] [Revised: 01/08/2020] [Accepted: 01/09/2020] [Indexed: 12/22/2022] Open
Abstract
Outdoor particulate matter (PM10) exposure is carcinogenic to humans. The cellular mechanism by which PM10 is associated specifically with lung cancer includes oxidative stress and damage to proteins, lipids, and DNA in the absence of apoptosis, suggesting that PM10 induces cellular survival. We aimed to evaluate the PI3K/AKT/FoxO3a pathway as a mechanism of cell survival in lung epithelial A549 cells exposed to PM10 that were subsequently challenged with hydrogen peroxide (H2O2). Our results showed that pre-exposure to PM10 followed by H2O2, as a second oxidant stimulus increased the phosphorylation rate of pAKTSer473, pAKTThr308, and pFoxO3aSer253 2.5-fold, 1.8-fold, and 1.2-fold, respectively. Levels of catalase and p27kip1, which are targets of the PIK3/AKT/FoxO3a pathway, decreased 38.1% and 62.7%, respectively. None of these changes had an influence on apoptosis; however, the inhibition of PI3K using the LY294002 compound revealed that the PI3K/AKT/FoxO3a pathway was involved in apoptosis evasion. We conclude that nontoxic PM10 exposure predisposes lung epithelial cell cultures to evade apoptosis through the PI3K/AKT/FoxO3a pathway when cells are treated with a second oxidant stimulus.
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13
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Ma Y, Bellini N, Scholten RH, Andersen MHG, Vogel U, Saber AT, Loft S, Møller P, Roursgaard M. Effect of combustion-derived particles on genotoxicity and telomere length: A study on human cells and exposed populations. Toxicol Lett 2020; 322:20-31. [PMID: 31923465 DOI: 10.1016/j.toxlet.2020.01.002] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2019] [Revised: 12/13/2019] [Accepted: 01/06/2020] [Indexed: 11/15/2022]
Abstract
Particulate matter (PM) from combustion processes has been associated with oxidative stress to DNA, whereas effects related to telomere dysfunction are less investigated. We collected air-borne PM from a passenger cabin of a diesel-propelled train and at a training facility for smoke diving exercises. Effects on oxidative stress biomarkers, genotoxicity measured by the comet assay and telomere length in PM-exposed A549 cells were compared with the genotoxicity and telomere length in peripheral blood mononuclear cells (PBMCs) from human volunteers exposed to the same aerosol source. Although elevated levels of DNA strand breaks and oxidatively damaged DNA in terms of Fpg-sensitive sites were observed in PBMCs from exposed humans, the PM collected at same locations did not cause genotoxicity in the comet assay in A549 cells. Nevertheless, A549 cells displayed telomere length shortening after four weeks exposure to PM. This is in line with slightly shorter telomere length in PBMCs from exposed humans, although it was not statistically significant. In conclusion, the results indicate that genotoxic potency measured by the comet assay of PM in A549 cells may not predict genotoxicity in exposed humans, whereas telomere length measurements may be a novel indicator of genotoxic stress in cell cultures and humans.
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Affiliation(s)
- Yanying Ma
- Department of Public Health, Section of Environmental Health, University of Copenhagen, Øster Farimagsgade 5A, DK-1014 Copenhagen K, Denmark
| | - Nicoletta Bellini
- Department of Public Health, Section of Environmental Health, University of Copenhagen, Øster Farimagsgade 5A, DK-1014 Copenhagen K, Denmark
| | - Rebecca Harnung Scholten
- Department of Public Health, Section of Environmental Health, University of Copenhagen, Øster Farimagsgade 5A, DK-1014 Copenhagen K, Denmark
| | - Maria Helena Guerra Andersen
- Department of Public Health, Section of Environmental Health, University of Copenhagen, Øster Farimagsgade 5A, DK-1014 Copenhagen K, Denmark; The National Research Centre for the Working Environment, Lersø Parkalle 105, 2100 Copenhagen Ø, Denmark
| | - Ulla Vogel
- The National Research Centre for the Working Environment, Lersø Parkalle 105, 2100 Copenhagen Ø, Denmark
| | - Anne Thoustrup Saber
- The National Research Centre for the Working Environment, Lersø Parkalle 105, 2100 Copenhagen Ø, Denmark
| | - Steffen Loft
- Department of Public Health, Section of Environmental Health, University of Copenhagen, Øster Farimagsgade 5A, DK-1014 Copenhagen K, Denmark
| | - Peter Møller
- Department of Public Health, Section of Environmental Health, University of Copenhagen, Øster Farimagsgade 5A, DK-1014 Copenhagen K, Denmark
| | - Martin Roursgaard
- Department of Public Health, Section of Environmental Health, University of Copenhagen, Øster Farimagsgade 5A, DK-1014 Copenhagen K, Denmark.
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Santibáñez-Andrade M, Chirino YI, González-Ramírez I, Sánchez-Pérez Y, García-Cuellar CM. Deciphering the Code between Air Pollution and Disease: The Effect of Particulate Matter on Cancer Hallmarks. Int J Mol Sci 2019; 21:ijms21010136. [PMID: 31878205 PMCID: PMC6982149 DOI: 10.3390/ijms21010136] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2019] [Revised: 12/19/2019] [Accepted: 12/20/2019] [Indexed: 12/12/2022] Open
Abstract
Air pollution has been recognized as a global health problem, causing around 7 million deaths worldwide and representing one of the highest environmental crises that we are now facing. Close to 30% of new lung cancer cases are associated with air pollution, and the impact is more evident in major cities. In this review, we summarize and discuss the evidence regarding the effect of particulate matter (PM) and its impact in carcinogenesis, considering the “hallmarks of cancer” described by Hanahan and Weinberg in 2000 and 2011 as a guide to describing the findings that support the impact of particulate matter during the cancer continuum.
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Affiliation(s)
- Miguel Santibáñez-Andrade
- Subdirección de Investigación Básica, Instituto Nacional de Cancerología, San Fernando No. 22, Tlalpan, México CP 14080, DF, Mexico; (M.S.-A.); (I.G.-R.)
| | - Yolanda I. Chirino
- Unidad de Biomedicina, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, Los Reyes Iztacala, Tlalnepantla CP 54090, Estado de México, Mexico;
| | - Imelda González-Ramírez
- Subdirección de Investigación Básica, Instituto Nacional de Cancerología, San Fernando No. 22, Tlalpan, México CP 14080, DF, Mexico; (M.S.-A.); (I.G.-R.)
| | - Yesennia Sánchez-Pérez
- Subdirección de Investigación Básica, Instituto Nacional de Cancerología, San Fernando No. 22, Tlalpan, México CP 14080, DF, Mexico; (M.S.-A.); (I.G.-R.)
- Correspondence: (Y.S.-P.); (C.M.G.-C.); Tel.: +52-(55)-3693-5200 (Y.S.-P. & C.M.G.-C.)
| | - Claudia M. García-Cuellar
- Subdirección de Investigación Básica, Instituto Nacional de Cancerología, San Fernando No. 22, Tlalpan, México CP 14080, DF, Mexico; (M.S.-A.); (I.G.-R.)
- Correspondence: (Y.S.-P.); (C.M.G.-C.); Tel.: +52-(55)-3693-5200 (Y.S.-P. & C.M.G.-C.)
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15
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Dittmer A, Lange T, Leyh B, Dittmer J. Protein‑ and growth‑modulatory effects of carcinoma‑associated fibroblasts on breast cancer cells: Role of interleukin‑6. Int J Oncol 2019; 56:258-272. [PMID: 31789400 PMCID: PMC6910226 DOI: 10.3892/ijo.2019.4918] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2019] [Accepted: 11/08/2019] [Indexed: 02/07/2023] Open
Abstract
Carcinoma-associated fibroblasts (CAFs) secrete factors that increase the expression and/or activities of proteins in breast cancer cells and induce resistance to anti-estrogens, such as fulvestrant. A major factor is interleukin-6 (IL-6). This study demonstrated that, across estrogen receptor (ER) α-positive and -negative cell lines, recombinant human IL-6 (rhIL-6) mimicked most of the CAF-conditioned medium (CM)-induced changes in protein expression patterns; however, in most cases, it failed to recapitulate CAF-CM-triggered alterations in ERK1/2 and AKT activities. The ability of rhIL-6 to induce fulvestrant resistance was dependent upon the culture conditions. In 3D, but not in 2D cultures, rhIL-6 increased the survival of fulvestrant-treated cells, although not to the same extent as observed with CAF-CM. In 2D cultures, rhIL-6 acted in a pro-apoptotic manner and decreased the expression of ATP-binding cassette transporter G2 (ABCG2). The inhibition of the PI3K/AKT pathway had similar effects on apoptosis and ABCG2 expression, linking the failure of rhIL-6 to induce fulvestrant resistance to its inability to activate the PI3K/AKT pathway. In 3D cultures, both CAF-CM and rhIL-6 acted in an anti-apoptotic manner. These activities are likely independent on the PI3K/AKT pathway and ABCG2. Experiments on ERα-negative breast cancer cells revealed a growth-inhibitory effects of both CAF-CM and rhIL-6, which coincided with a reduction in the c-Myc level. These data suggest that IL-6 plays a role in several effects of CAF-CM, including alterations in protein expression patterns, fulvestrant resistance in 3D cultures and growth inhibition. By contrast, IL-6 is unlikely to be responsible for the CAF-CM-induced activation of the PI3K/AKT pathway and fulvestrant resistance in 2D cultures.
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Affiliation(s)
- Angela Dittmer
- Clinic for Gynecology, Martin Luther University Halle‑Wittenberg, 06120 Halle/Saale, Germany
| | - Theresia Lange
- Clinic for Gynecology, Martin Luther University Halle‑Wittenberg, 06120 Halle/Saale, Germany
| | - Benjamin Leyh
- Clinic for Gynecology, Martin Luther University Halle‑Wittenberg, 06120 Halle/Saale, Germany
| | - Jürgen Dittmer
- Clinic for Gynecology, Martin Luther University Halle‑Wittenberg, 06120 Halle/Saale, Germany
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16
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Shi Y, Zhao T, Yang X, Sun B, Li Y, Duan J, Sun Z. PM 2.5-induced alteration of DNA methylation and RNA-transcription are associated with inflammatory response and lung injury. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 650:908-921. [PMID: 30308865 DOI: 10.1016/j.scitotenv.2018.09.085] [Citation(s) in RCA: 61] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/11/2018] [Revised: 08/09/2018] [Accepted: 09/06/2018] [Indexed: 06/08/2023]
Abstract
The mechanisms of systemic pulmonary inflammation and toxicity of fine particulate matter (PM2.5) exposure remains unclear. The current study investigated the inflammatory response and lung toxicity of PM2.5 in rats following intratracheal instillation of PM2.5. After repeated (treated every 3 days for 30 days) PM2.5 exposure, total protein (TP), lactate dehydrogenase (LDH) activity and inflammatory cytokines including interleukin 6 (IL-6), interleukin 1β (IL-1β) and tumor necrosis factor α (TNF-α) levels in bronchoalveolar lavage fluid (BALF) were markedly elevated. The expression levels of IL-6, IL-1β, TNF-α and NF-κB in rat lung tissue and BEAS-2B cells were significantly upregulated after PM2.5 exposure. Histopathological evaluation suggested that the major pathological changes were alveolar wall thickening and inflammatory cell infiltration of the lungs. Genome wide DNA methylation and RNA-transcription analysis was performed on human bronchial epithelial cells (BEAS-2B) to explore the potential mechanisms in vitro. PM2.5 induced genome wide DNA methylation and transcription changes. Differentially methylated CpGs were located in gene promoter region linked with CpG islands. Integrated analysis with DNA methylation and transcription data indicated a clear bias toward transcriptional alteration by differential methylation. Disease ontology of differentially methylated and expressed genes addressed their prominent role in respiratory disease. Functional enrichment revealed their involvement in inflammation or immune response, cellular community, cellular motility, cell growth, development and differentiation, signal transduction and responses to exogenous stimuli. Gene expression validation of ACTN4, CXCL1, MARK2, ABR, PSEN1, PSMA3, PSMD1 verified their functional participation in critical biological processes and supported the microarray bioinformatics analysis. Collectively, our data shows that PM2.5 induced genome wide methylome and transcriptome alterations that could be involved in pulmonary toxicity and pathological process of respiratory disease, providing new insight into the toxicity mechanisms of PM2.5.
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Affiliation(s)
- Yanfeng Shi
- Department of Toxicology and Sanitary Chemistry, Capital Medical University, Beijing 100069, PR China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing 100069, PR China
| | - Tong Zhao
- Department of Toxicology and Sanitary Chemistry, Capital Medical University, Beijing 100069, PR China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing 100069, PR China
| | - Xiaozhe Yang
- Department of Toxicology and Sanitary Chemistry, Capital Medical University, Beijing 100069, PR China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing 100069, PR China
| | - Baiyang Sun
- Department of Toxicology and Sanitary Chemistry, Capital Medical University, Beijing 100069, PR China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing 100069, PR China
| | - Yang Li
- Department of Toxicology and Sanitary Chemistry, Capital Medical University, Beijing 100069, PR China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing 100069, PR China
| | - Junchao Duan
- Department of Toxicology and Sanitary Chemistry, Capital Medical University, Beijing 100069, PR China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing 100069, PR China.
| | - Zhiwei Sun
- Department of Toxicology and Sanitary Chemistry, Capital Medical University, Beijing 100069, PR China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing 100069, PR China.
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17
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Møller P, Wils RS, Jensen DM, Andersen MHG, Roursgaard M. Telomere dynamics and cellular senescence: an emerging field in environmental and occupational toxicology. Crit Rev Toxicol 2018; 48:761-788. [DOI: 10.1080/10408444.2018.1538201] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Peter Møller
- Department of Public Health, Section of Environmental Health, University of Copenhagen, Copenhagen, Denmark
| | - Regitze Sølling Wils
- Department of Public Health, Section of Environmental Health, University of Copenhagen, Copenhagen, Denmark
| | - Ditte Marie Jensen
- Department of Public Health, Section of Environmental Health, University of Copenhagen, Copenhagen, Denmark
| | | | - Martin Roursgaard
- Department of Public Health, Section of Environmental Health, University of Copenhagen, Copenhagen, Denmark
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18
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Quezada-Maldonado EM, Sánchez-Pérez Y, Chirino YI, Vaca-Paniagua F, García-Cuellar CM. miRNAs deregulation in lung cells exposed to airborne particulate matter (PM 10) is associated with pathways deregulated in lung tumors. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2018; 241:351-358. [PMID: 29852438 DOI: 10.1016/j.envpol.2018.05.073] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/09/2018] [Revised: 05/10/2018] [Accepted: 05/21/2018] [Indexed: 06/08/2023]
Abstract
Particulate matter (PM) is an environmental pollutant that has been associated with an increased risk for lung cancer. PM exposure induces cellular alterations and the deregulation of cell signaling pathways. However other mechanisms such as microRNAs deregulation, might be involved in the development and progression of some types of epithelial cancer. The aim of this work was to evaluate miRNA expression in epithelial lung cells after exposure to PM10 and to identify the possible gene targets of deregulated miRNAs. We measured the expression of 2538 miRNAs using a microarray platform after 72 h of PM10 exposure; the potential biological function was inferred with bioinformatics analysis and we validated the relative expression of 10 selected miRNAs with real-time PCR. We found that the expression of 74 miRNAs was significantly changed: 45 miRNAs were downregulated and were involved in proliferation, cell cycle, cytoskeleton modification and autophagy; meanwhile, 29 miRNAs related to apoptosis, DNA damage repair and xenobiotic metabolism were upregulated.
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Affiliation(s)
- Ericka Marel Quezada-Maldonado
- Subdirección de Investigación Básica, Instituto Nacional de Cancerología, San Fernando No. 22, Tlalpan, CP, 14080, Ciudad de México, Mexico
| | - Yesennia Sánchez-Pérez
- Subdirección de Investigación Básica, Instituto Nacional de Cancerología, San Fernando No. 22, Tlalpan, CP, 14080, Ciudad de México, Mexico
| | - Yolanda I Chirino
- Unidad de Biomedicina, FES-Iztacala, Universidad Nacional Autónoma de México, CP, 54059, Estado de México, Mexico
| | - Felipe Vaca-Paniagua
- Subdirección de Investigación Básica, Instituto Nacional de Cancerología, San Fernando No. 22, Tlalpan, CP, 14080, Ciudad de México, Mexico; Unidad de Biomedicina, FES-Iztacala, Universidad Nacional Autónoma de México, CP, 54059, Estado de México, Mexico; Laboratorio Nacional en Salud: Diagnóstico Molecular y Efecto Ambiental en Enfermedades Crónico-Degenerativas, Universidad Nacional Autónoma de México, CP, 54059, Estado de México, Mexico
| | - Claudia M García-Cuellar
- Subdirección de Investigación Básica, Instituto Nacional de Cancerología, San Fernando No. 22, Tlalpan, CP, 14080, Ciudad de México, Mexico.
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19
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Chen X, Liu J, Zhou J, Wang J, Chen C, Song Y, Pan J. Urban particulate matter (PM) suppresses airway antibacterial defence. Respir Res 2018; 19:5. [PMID: 29310642 PMCID: PMC5759166 DOI: 10.1186/s12931-017-0700-0] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2017] [Accepted: 12/13/2017] [Indexed: 08/30/2023] Open
Abstract
Background Epidemiological studies have shown that urban particulate matter (PM) increases the risk of respiratory infection. However, the underlying mechanisms are poorly understood. PM has been postulated to suppress the activation of airway epithelial innate defence in response to infection. Methods The effects of PM on antibacterial defence were studied using an in vitro infection model. The levels of antimicrobial peptides were measured using RT-PCR and ELISA. In addition to performing colony-forming unit counts and flow cytometry, confocal microscopy was performed to directly observe bacterial invasion upon PM exposure. Results We found that PM PM increased bacterial invasion by impairing the induction of β-defensin-2 (hBD-2), but not the other antimicrobial peptides (APMs) secreted by airway epithelium. PM further increases bacteria-induced ROS production, which is accompanied by an accelerated cell senescence and a decrease in bacteria-induced hBD-2 production, and the antioxidant NAC treatment attenuates these effects. The PM exposure further upregulated the expression of IL-8 but downregulated the expression of IL-13 upon infection. Conclusions PM promotes bacterial invasion of airway epithelial cells by attenuating the induction of hBD-2 via an oxidative burst. These findings associate PM with an increased susceptibility to infection. These findings provide insight into the underlying mechanisms regarding the pathogenesis of particulate matter.
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Affiliation(s)
- Xiaoyan Chen
- Department of Pulmonary Medicine, Zhongshan Hospital, Fudan University and Shanghai Respiratory Research Institute, 180 Fenglin Road, Shanghai, 200032, People's Republic of China
| | - Jinguo Liu
- Department of Pulmonary Medicine, Zhongshan Hospital, Fudan University and Shanghai Respiratory Research Institute, 180 Fenglin Road, Shanghai, 200032, People's Republic of China
| | - Jian Zhou
- Department of Pulmonary Medicine, Zhongshan Hospital, Fudan University and Shanghai Respiratory Research Institute, 180 Fenglin Road, Shanghai, 200032, People's Republic of China
| | - Jian Wang
- Department of Pulmonary Medicine, Zhongshan Hospital, Fudan University and Shanghai Respiratory Research Institute, 180 Fenglin Road, Shanghai, 200032, People's Republic of China
| | - Cuicui Chen
- Department of Pulmonary Medicine, Zhongshan Hospital, Fudan University and Shanghai Respiratory Research Institute, 180 Fenglin Road, Shanghai, 200032, People's Republic of China
| | - Yuanlin Song
- Department of Pulmonary Medicine, Zhongshan Hospital, Fudan University and Shanghai Respiratory Research Institute, 180 Fenglin Road, Shanghai, 200032, People's Republic of China.
| | - Jue Pan
- Department of Infectious Diseases, Zhongshan Hospital, Fudan University, 180 Fenglin Road, Shanghai, 200032, People's Republic of China.
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20
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Peixoto MS, de Oliveira Galvão MF, Batistuzzo de Medeiros SR. Cell death pathways of particulate matter toxicity. CHEMOSPHERE 2017; 188:32-48. [PMID: 28865791 DOI: 10.1016/j.chemosphere.2017.08.076] [Citation(s) in RCA: 99] [Impact Index Per Article: 14.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/18/2017] [Revised: 08/14/2017] [Accepted: 08/16/2017] [Indexed: 06/07/2023]
Abstract
Humans are exposed to various complex mixtures of particulate matter (PM) from different sources. Long-term exposure to high levels of these particulates has been linked to a diverse range of respiratory and cardiovascular diseases that have resulted in hospital admission. The evaluation of the effects of PM exposure on the mechanisms related to cell death has been a challenge for many researchers. Therefore, in this review, we have discussed the effects of airborne PM exposure on mechanisms related to cell death. For this purpose, we have compiled literature data on PM sources, the effects of exposure, and the assays and models used for evaluation, in order to establish comparisons between various studies. The analysis of this collected data suggested divergent responses to PM exposure that resulted in different cell death types (apoptosis, autophagy, and necrosis). In addition, PM induced oxidative stress within cells, which appeared to be an important factor in the determination of cell fate. When the levels of reactive oxygen species were overpowering, the cellular fate was directed toward cell death. This may be the underlying mechanism of the development or exacerbation of respiratory diseases, such as emphysema and chronic obstructive pulmonary diseases. In addition, PM was shown to cause DNA damage and the resulting mutations increased the risk of cancer. Furthermore, several conditions should be considered in the assessment of cell death in PM-exposed models, including the cell culture line, PM composition, and the interaction of the different cells types in in vivo models.
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Affiliation(s)
- Milena Simões Peixoto
- Graduate Program in Biochemistry, Biosciences Center, Federal University of Rio Grande do Norte, Natal, RN, Brazil.
| | - Marcos Felipe de Oliveira Galvão
- Graduate Program in Biochemistry, Biosciences Center, Federal University of Rio Grande do Norte, Natal, RN, Brazil; Department of Cell Biology and Genetics, Biosciences Center, Federal University of Rio Grande do Norte, Natal, RN, Brazil.
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Airborne particulate matter in vitro exposure induces cytoskeleton remodeling through activation of the ROCK-MYPT1-MLC pathway in A549 epithelial lung cells. Toxicol Lett 2017; 272:29-37. [DOI: 10.1016/j.toxlet.2017.03.002] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2016] [Revised: 02/07/2017] [Accepted: 03/04/2017] [Indexed: 11/21/2022]
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Reyes-Zárate E, Sánchez-Pérez Y, Gutiérrez-Ruiz MC, Chirino YI, Osornio-Vargas ÁR, Morales-Bárcenas R, Souza-Arroyo V, García-Cuellar CM. Atmospheric particulate matter (PM10) exposure-induced cell cycle arrest and apoptosis evasion through STAT3 activation via PKCζ and Src kinases in lung cells. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2016; 214:646-656. [PMID: 27131825 DOI: 10.1016/j.envpol.2016.04.072] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/13/2016] [Revised: 04/18/2016] [Accepted: 04/19/2016] [Indexed: 06/05/2023]
Abstract
Atmospheric particulate matter with aerodynamic diameter ≤10 μm (PM10) is a risk factor for the development of lung cancer, but cellular pathways are not completely understood. STAT3 is a p21(Waf1/Cip1) transcription factor and is associated with proliferation and cell survival and is upregulated in lung cancer. PM10 exposure induces p21(Waf1/Cip1) expression, which could be related to STAT3 activation. The aims of this work were to investigate whether STAT3 was activated on lung epithelial cells after PM10 exposure and to determine whether or not STAT3 could have an impact on cell cycle distribution and cell survival. Our results showed that PM10 induced STAT3 activation through Src and PKCζ kinases, and it is partially responsible for the p21(Waf1/Cip1) induction that was also observed. Moreover, PM10 induced G1-G0 cell cycle arrest. The inhibition of STAT3 phosphorylation prevented cell cycle arrest and triggered apoptosis. These results suggest that PM10 exposure might activate a survival pathway related to STAT3 activation, similar to what has been described as part of the immune system and apoptosis evasion during tumor promotion and development.
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Affiliation(s)
- Elizabeth Reyes-Zárate
- Posgrado en Biología Experimental, Universidad Autónoma Metropolitana-Iztapalapa, Mexico; Departamento de Ciencias de la Salud, División de Ciencias Biológicas y de la Salud, Universidad Autónoma Metropolitana-Iztapalapa, 09340, México DF, Mexico
| | - Yesennia Sánchez-Pérez
- Instituto Nacional de Cancerología, Subdirección de Investigación Básica, San Fernando No. 22, Tlalpan, 14080, México DF, Mexico
| | - María Concepción Gutiérrez-Ruiz
- Departamento de Ciencias de la Salud, División de Ciencias Biológicas y de la Salud, Universidad Autónoma Metropolitana-Iztapalapa, 09340, México DF, Mexico
| | - Yolanda I Chirino
- Unidad de Biomedicina, Facultad de Estudios Superiores Iztacala, UNAM, Tlalnepantla, 54059, Estado de México, Mexico
| | | | - Rocío Morales-Bárcenas
- Instituto Nacional de Cancerología, Subdirección de Investigación Básica, San Fernando No. 22, Tlalpan, 14080, México DF, Mexico
| | - Verónica Souza-Arroyo
- Departamento de Ciencias de la Salud, División de Ciencias Biológicas y de la Salud, Universidad Autónoma Metropolitana-Iztapalapa, 09340, México DF, Mexico.
| | - Claudia María García-Cuellar
- Instituto Nacional de Cancerología, Subdirección de Investigación Básica, San Fernando No. 22, Tlalpan, 14080, México DF, Mexico.
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Kim KE, Cho D, Park HJ. Air pollution and skin diseases: Adverse effects of airborne particulate matter on various skin diseases. Life Sci 2016; 152:126-34. [DOI: 10.1016/j.lfs.2016.03.039] [Citation(s) in RCA: 206] [Impact Index Per Article: 25.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2015] [Revised: 03/09/2016] [Accepted: 03/21/2016] [Indexed: 12/26/2022]
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Abbas I, Verdin A, Escande F, Saint-Georges F, Cazier F, Mulliez P, Courcot D, Shirali P, Gosset P, Garçon G. In vitro short-term exposure to air pollution PM2.5-0.3 induced cell cycle alterations and genetic instability in a human lung cell coculture model. ENVIRONMENTAL RESEARCH 2016; 147:146-158. [PMID: 26874047 DOI: 10.1016/j.envres.2016.01.041] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/19/2015] [Revised: 01/25/2016] [Accepted: 01/27/2016] [Indexed: 06/05/2023]
Abstract
Although its adverse health effects of air pollution particulate matter (PM2.5) are well-documented and often related to oxidative stress and pro-inflammatory response, recent evidence support the role of the remodeling of the airway epithelium involving the regulation of cell death processes. Hence, the overarching goals of the present study were to use an in vitro coculture model, based on human AM and L132 cells to study the possible alteration of TP53-RB gene signaling pathways (i.e. cell cycle phases, gene expression of TP53, BCL2, BAX, P21, CCND1, and RB, and protein concentrations of their active forms), and genetic instability (i.e. LOH and/or MSI) in the PM2.5-0.3-exposed coculture model. PM2.5-0.3 exposure of human AM from the coculture model induced marked cell cycle alterations after 24h, as shown by increased numbers of L132 cells in subG1 and S+G2 cell cycle phases, indicating apoptosis and proliferation. Accordingly, activation of the TP53-RB gene signaling pathways after the coculture model exposure to PM2.5-0.3 was reported in the L132 cells. Exposure of human AM from the coculture model to PM2.5-0.3 resulted in MS alterations in 3p chromosome multiple critical regions in L132 cell population. Hence, in vitro short-term exposure of the coculture model to PM2.5-0.3 induced cell cycle alterations relying on the sequential occurrence of molecular abnormalities from TP53-RB gene signaling pathway activation and genetic instability.
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Affiliation(s)
- Imane Abbas
- Université de Lille, Lille, France; EA4492-UCEIV, Université du Littoral-Côte d'Opale, Dunkerque, France; Lebanese Atomic Energy Commission - CNRS, Beirut, Lebanon
| | - Anthony Verdin
- Université de Lille, Lille, France; EA4492-UCEIV, Université du Littoral-Côte d'Opale, Dunkerque, France
| | - Fabienne Escande
- Centre de Biologie Pathologie, Centre Hospitalier Régional et Universitaire, Lille, France
| | - Françoise Saint-Georges
- Université de Lille, Lille, France; Groupement Hospitalier de l'Institut Catholique de Lille, Lille, France
| | - Fabrice Cazier
- Université de Lille, Lille, France; Centre Commun de Mesures, Université du Littoral-Côte d'Opale, Dunkerque, France
| | - Philippe Mulliez
- Université de Lille, Lille, France; Groupement Hospitalier de l'Institut Catholique de Lille, Lille, France
| | - Dominique Courcot
- Université de Lille, Lille, France; EA4492-UCEIV, Université du Littoral-Côte d'Opale, Dunkerque, France
| | - Pirouz Shirali
- Université de Lille, Lille, France; EA4492-UCEIV, Université du Littoral-Côte d'Opale, Dunkerque, France
| | - Pierre Gosset
- Université de Lille, Lille, France; Groupement Hospitalier de l'Institut Catholique de Lille, Lille, France
| | - Guillaume Garçon
- Université de Lille, Lille, France; EA4492-UCEIV, Université du Littoral-Côte d'Opale, Dunkerque, France; EA4483-IMPECS, Université de Lille 2, Lille, France.
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Chirino YI, Sánchez-Pérez Y, Osornio-Vargas ÁR, Rosas I, García-Cuellar CM. Sampling and composition of airborne particulate matter (PM10) from two locations of Mexico City. Data Brief 2015. [PMID: 26217815 PMCID: PMC4510582 DOI: 10.1016/j.dib.2015.06.017] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
The PM10 airborne particulate matter with an aerodynamic diameter ≤10 µm is considered as a risk factor of various adverse health outcomes, including lung cancer. Here we described the sampling and composition of PM10 collected from an industrial zone (IZ), and a commercial zone (CZ) of Mexico City. The PM10 was collected with a high-volume sampler in the above mentioned locations and both types of PM10 sampled were characterized by the content of polycyclic aromatic hydrocarbons (PAHs), metals, and endotoxin. The endotoxin PM10 content from IZ and CZ displayed 138.4 UE/mg and 170.4 UE/mg of PM10, respectively.
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Affiliation(s)
- Yolanda I Chirino
- Unidad de Biomedicina, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, Los Reyes Iztacala, CP 54090 Tlalnepantla, Estado de México, México
| | - Yesennia Sánchez-Pérez
- Instituto Nacional de Cancerología (INCan), Subdirección de Investigación Básica, San Fernando No. 22, Tlalpan, 14080 México, D.F., México
| | | | - Irma Rosas
- Centro de Ciencias de la Atmósfera, Universidad Nacional Autónoma de México (UNAM), Circuito Exterior s/n. Ciudad Universitaria, Del. Coyoacán, C.P. 04510, Mexico, D.F., Mexico
| | - Claudia María García-Cuellar
- Instituto Nacional de Cancerología (INCan), Subdirección de Investigación Básica, San Fernando No. 22, Tlalpan, 14080 México, D.F., México
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Delattre F, Cazier-Dennin F, Leleu L, Dewaele D, Landy D, Mallard I, Danjou PE. Recognition of iron ions by carbazole-desferrioxamine fluorescent sensor and its application in total iron detection in airbone particulate matter. Talanta 2015; 144:451-5. [PMID: 26452847 DOI: 10.1016/j.talanta.2015.06.071] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2015] [Revised: 06/22/2015] [Accepted: 06/26/2015] [Indexed: 01/25/2023]
Abstract
This work reports on an efficient microwave irradiation synthesis of a new fluorescent chemosensor based on desferrioxamine B (DFO-B) and carbazole moiety. Furthermore, this novel chemosensor was employed for a comparative study of real environmental samples of airbone particulate matter collected from Dunkirk (Northern of France). Among selected relevant metal cations present in its airbone particulate matter, such as Na(+), K(+), Mg(2+), Ca(2+), Al(3+), Cr(3+), Mn(2+) and Zn(2+), this molecular device proved to be outstandingly sensitive toward Fe(3+) with a limit of detection of 1.49 ppb (2.1×10(-8) M) in methanol allowing the estimation of total iron in atmospheric particles.
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Affiliation(s)
- François Delattre
- Unité de Chimie Environnementale et Interactions sur le Vivant (UCEIV)-EA 4492, Université du Littoral Côte d'Opale, 145 Avenue Maurice Schumann, MREI 1, 59140 Dunkerque, France
| | - Francine Cazier-Dennin
- Unité de Chimie Environnementale et Interactions sur le Vivant (UCEIV)-EA 4492, Université du Littoral Côte d'Opale, 145 Avenue Maurice Schumann, MREI 1, 59140 Dunkerque, France
| | - Ludovic Leleu
- Unité de Chimie Environnementale et Interactions sur le Vivant (UCEIV)-EA 4492, Université du Littoral Côte d'Opale, 145 Avenue Maurice Schumann, MREI 1, 59140 Dunkerque, France
| | - Dorothée Dewaele
- Centre Commun de Mesures, Université du Littoral Côte d'Opale, 145 Avenue Maurice Schumann, MREI 1, 59140 Dunkerque, France
| | - David Landy
- Unité de Chimie Environnementale et Interactions sur le Vivant (UCEIV)-EA 4492, Université du Littoral Côte d'Opale, 145 Avenue Maurice Schumann, MREI 1, 59140 Dunkerque, France
| | - Isabelle Mallard
- Unité de Chimie Environnementale et Interactions sur le Vivant (UCEIV)-EA 4492, Université du Littoral Côte d'Opale, 145 Avenue Maurice Schumann, MREI 1, 59140 Dunkerque, France
| | - Pierre-Edouard Danjou
- Unité de Chimie Environnementale et Interactions sur le Vivant (UCEIV)-EA 4492, Université du Littoral Côte d'Opale, 145 Avenue Maurice Schumann, MREI 1, 59140 Dunkerque, France.
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Morgan JT, Raghunathan VK, Chang YR, Murphy CJ, Russell P. The intrinsic stiffness of human trabecular meshwork cells increases with senescence. Oncotarget 2015; 6:15362-74. [PMID: 25915531 PMCID: PMC4558157 DOI: 10.18632/oncotarget.3798] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2015] [Accepted: 03/20/2015] [Indexed: 12/26/2022] Open
Abstract
Dysfunction of the human trabecular meshwork (HTM) plays a central role in the age-associated disease glaucoma, a leading cause of irreversible blindness. The etiology remains poorly understood but cellular senescence, increased stiffness of the tissue, and the expression of Wnt antagonists such as secreted frizzled related protein-1 (SFRP1) have been implicated. However, it is not known if senescence is causally linked to either stiffness or SFRP1 expression. In this study, we utilized in vitro HTM senescence to determine the effect on cellular stiffening and SFRP1 expression. Stiffness of cultured cells was measured using atomic force microscopy and the morphology of the cytoskeleton was determined using immunofluorescent analysis. SFRP1 expression was measured using qPCR and immunofluorescent analysis. Senescent cell stiffness increased 1.88±0.14 or 2.57±0.14 fold in the presence or absence of serum, respectively. This was accompanied by increased vimentin expression, stress fiber formation, and SFRP1 expression. In aggregate, these data demonstrate that senescence may be a causal factor in HTM stiffening and elevated SFRP1 expression, and contribute towards disease progression. These findings provide insight into the etiology of glaucoma and, more broadly, suggest a causal link between senescence and altered tissue biomechanics in aging-associated diseases.
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Affiliation(s)
- Joshua T. Morgan
- Department of Surgical and Radiological Sciences, School of Veterinary Medicine, University of California, Davis, CA, USA
| | - Vijay Krishna Raghunathan
- Department of Surgical and Radiological Sciences, School of Veterinary Medicine, University of California, Davis, CA, USA
| | - Yow-Ren Chang
- Department of Surgical and Radiological Sciences, School of Veterinary Medicine, University of California, Davis, CA, USA
| | - Christopher J. Murphy
- Department of Surgical and Radiological Sciences, School of Veterinary Medicine, University of California, Davis, CA, USA
- Department of Ophthalmology &; Vision Science, School of Medicine, University of California, Davis, CA, USA
| | - Paul Russell
- Department of Surgical and Radiological Sciences, School of Veterinary Medicine, University of California, Davis, CA, USA
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Morales-Bárcenas R, Chirino YI, Sánchez-Pérez Y, Osornio-Vargas ÁR, Melendez-Zajgla J, Rosas I, García-Cuellar CM. Particulate matter (PM₁₀) induces metalloprotease activity and invasion in airway epithelial cells. Toxicol Lett 2015; 237:167-73. [PMID: 26047787 DOI: 10.1016/j.toxlet.2015.06.001] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2014] [Revised: 05/28/2015] [Accepted: 06/01/2015] [Indexed: 12/22/2022]
Abstract
Airborne particulate matter with an aerodynamic diameter ≤ 10 μm (PM10) is a risk factor for the development of lung diseases and cancer. The aim of this work was to identify alterations in airway epithelial (A549) cells induced by PM10 that could explain how subtoxic exposure (10 μg/cm(2)) promotes a more aggressive in vitro phenotype. Our results showed that cells exposed to PM10 from an industrial zone (IZ) and an urban commercial zone (CZ) induced an increase in protease activity and invasiveness; however, the cell mechanism is different, as only PM10 from CZ up-regulated the activity of metalloproteases MMP-2 and MMP-9 and disrupted E-cadherin/β-catenin expression after 48 h of exposure. These in vitro findings are relevant in terms of the mechanism action of PM10 in lung epithelial cells, which could be helpful in understanding the pathogenesis of some human illness associated with highly polluted cities.
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Affiliation(s)
- Rocío Morales-Bárcenas
- Instituto Nacional de Cancerología (INCan), Subdirección de Investigación Básica, San Fernando No. 22, Tlalpan, 14080 México, D.F., Mexico
| | - Yolanda I Chirino
- Unidad de Biomedicina, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, Los Reyes Iztacala, CP 54090 Tlalnepantla, Estado de Mexico, Mexico
| | - Yesennia Sánchez-Pérez
- Instituto Nacional de Cancerología (INCan), Subdirección de Investigación Básica, San Fernando No. 22, Tlalpan, 14080 México, D.F., Mexico.
| | | | - Jorge Melendez-Zajgla
- Instituto Nacional de Medicina Genómica, Periférico Sur 4809, Arenal Tepepan, Tlalpan, 14610 México, D.F., Mexico
| | - Irma Rosas
- Centro de Ciencias de la Atmósfera, Universidad Nacional Autónoma de México (UNAM), Circuito Exterior s/n, Ciudad Universitaria, Del. Coyoacán, CP 04510, Mexico, D.F., Mexico
| | - Claudia María García-Cuellar
- Instituto Nacional de Cancerología (INCan), Subdirección de Investigación Básica, San Fernando No. 22, Tlalpan, 14080 México, D.F., Mexico.
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Air pollution particulate matter alters antimycobacterial respiratory epithelium innate immunity. Infect Immun 2015; 83:2507-17. [PMID: 25847963 DOI: 10.1128/iai.03018-14] [Citation(s) in RCA: 100] [Impact Index Per Article: 11.1] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2014] [Accepted: 03/26/2015] [Indexed: 01/10/2023] Open
Abstract
Inhalation exposure to indoor air pollutants and cigarette smoke increases the risk of developing tuberculosis (TB). Whether exposure to ambient air pollution particulate matter (PM) alters protective human host immune responses against Mycobacterium tuberculosis has been little studied. Here, we examined the effect of PM from Iztapalapa, a municipality of Mexico City, with aerodynamic diameters below 2.5 μm (PM2.5) and 10 μm (PM10) on innate antimycobacterial immune responses in human alveolar type II epithelial cells of the A549 cell line. Exposure to PM2.5 or PM10 deregulated the ability of the A549 cells to express the antimicrobial peptides human β-defensin 2 (HBD-2) and HBD-3 upon infection with M. tuberculosis and increased intracellular M. tuberculosis growth (as measured by CFU count). The observed modulation of antibacterial responsiveness by PM exposure was associated with the induction of senescence in PM-exposed A549 cells and was unrelated to PM-mediated loss of cell viability. Thus, the induction of senescence and downregulation of HBD-2 and HBD-3 expression in respiratory PM-exposed epithelial cells leading to enhanced M. tuberculosis growth represent mechanisms by which exposure to air pollution PM may increase the risk of M. tuberculosis infection and the development of TB.
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