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Melzi G, Nozza E, Frezzini MA, Canepari S, Vecchi R, Cremonesi L, Potenza M, Marinovich M, Corsini E. Toxicological Profile of PM from Different Sources in the Bronchial Epithelial Cell Line BEAS-2B. TOXICS 2023; 11:toxics11050413. [PMID: 37235228 DOI: 10.3390/toxics11050413] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Revised: 04/13/2023] [Accepted: 04/25/2023] [Indexed: 05/28/2023]
Abstract
The toxicity of particulate matter (PM) is strictly associated with its physical-chemical characteristics, such as size or chemical composition. While these properties depend on the origin of the particles, the study of the toxicological profile of PM from single sources has rarely been highlighted. Hence, the focus of this research was to investigate the biological effects of PM from five relevant sources of atmospheric PM: diesel exhaust particles, coke dust, pellet ashes, incinerator ashes, and brake dust. Cytotoxicity, genotoxicity, oxidative, and inflammatory response were assessed in a bronchial cell line (BEAS-2B). BEAS-2B cells were exposed to different concentrations (25, 50, 100, and 150 μg/mL medium) of particles suspended in water. The exposure lasted 24 h for all the assays performed, except for reactive oxygen species, which were evaluated after 30 min, 1 h, and 4 h of treatment. The results showed a different action of the five types of PM. All the tested samples showed a genotoxic action on BEAS-2B, even in the absence of oxidative stress induction. Pellet ashes seemed to be the only ones able to induce oxidative stress by boosting the formation of reactive oxygen species, while brake dust resulted in the most cytotoxic. In conclusion, the study elucidated the differential response of bronchial cells to PM samples generated by different sources. The comparison could be a starting point for a regulatory intervention since it highlighted the toxic potential of each type of PM tested.
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Affiliation(s)
- Gloria Melzi
- Department of Pharmacological and Biomolecular Sciences, Università degli Studi di Milano, Via Balzaretti 9, 20133 Milan, Italy
| | - Emma Nozza
- Department of Pharmacological and Biomolecular Sciences, Università degli Studi di Milano, Via Balzaretti 9, 20133 Milan, Italy
- PhD Program in Experimental Medicine, Università degli Studi di Milano, Via L. Vanvitelli 32, 20129 Milan, Italy
- Department of Clinical Sciences and Community Health, Università degli Studi di Milano, Via della Commenda 19, 20122 Milan, Italy
| | - Maria Agostina Frezzini
- Department of Environmental Biology, Sapienza University of Rome, Via C. De Lollis 21, 00185 Rome, Italy
| | - Silvia Canepari
- Department of Environmental Biology, Sapienza University of Rome, Via C. De Lollis 21, 00185 Rome, Italy
| | - Roberta Vecchi
- Department of Physics, Università degli Studi di Milano, Via Celoria 16, 20133 Milan, Italy
| | - Llorenç Cremonesi
- Department of Physics, Università degli Studi di Milano, Via Celoria 16, 20133 Milan, Italy
| | - Marco Potenza
- Department of Physics, Università degli Studi di Milano, Via Celoria 16, 20133 Milan, Italy
| | - Marina Marinovich
- Department of Pharmacological and Biomolecular Sciences, Università degli Studi di Milano, Via Balzaretti 9, 20133 Milan, Italy
| | - Emanuela Corsini
- Department of Pharmacological and Biomolecular Sciences, Università degli Studi di Milano, Via Balzaretti 9, 20133 Milan, Italy
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2
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Ko R, Hayashi M, Tanaka M, Okuda T, Nishita-Hara C, Ozaki H, Uchio E. Effects of ambient particulate matter on a reconstructed human corneal epithelium model. Sci Rep 2021; 11:3417. [PMID: 33564109 PMCID: PMC7873058 DOI: 10.1038/s41598-021-82971-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2019] [Accepted: 01/25/2021] [Indexed: 11/25/2022] Open
Abstract
We evaluated the effects of ambient particulate matter (PM) on the corneal epithelium using a reconstructed human corneal epithelium (HCE) model. We collected two PM size fractions [aerodynamic diameter smaller than 2.4 µm: PM0.3–2.4 and larger than 2.4 µm: PM>2.4] and exposed these tissues to PM concentrations of 1, 10, and 100 µg/mL for 24 h. After exposure, cell viability and interleukin (IL) IL-6 and IL-8 levels were determined, and haematoxylin and eosin and immunofluorescence staining of the zonula occludens-1 (ZO-1) were performed on tissue sections. In addition, the effects of a certified reference material of urban aerosols (UA; 100 µg/mL) were also examined as a reference. The viability of cells exposed to 100 μg/mL UA and PM>2.4 decreased to 76.2% ± 7.4 and 75.4% ± 16.1, respectively, whereas PM0.3–2.4 exposure had a limited effect on cell viability. These particles did not increase IL-6 and IL-8 levels significantly even though cell viability was decreased in 100 μg/mL UA and PM>2.4. ZO-1 expression was reduced in a dose-dependent manner in all groups. Reconstructed HCE could be used as an in vitro model to study the effects of environmental PM exposure on ocular surface cell viability and inflammation.
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Affiliation(s)
- Ryota Ko
- Department of Ophthalmology, Faculty of Medicine, Fukuoka University, 7-45-1 Nanakuma, Jonan-ku, Fukuoka, 814-0180, Japan.
| | - Masahiko Hayashi
- Department of Earth System Science, Faculty of Science, Fukuoka University, 8-19-1 Nanakuma, Jonan-ku, Fukuoka, 814-0180, Japan
| | - Miho Tanaka
- Kobayashi Pharmaceutical Co., Ltd., 1-30-3, Toyokawa, Ibaraki, Osaka, 567-0057, Japan
| | - Tomoaki Okuda
- Department of Applied Chemistry, Faculty of Science and Technology, Keio University, 3-14-1 Hiyoshi, Kohoku, Yokohama, 223-8522, Japan
| | - Chiharu Nishita-Hara
- Fukuoka Institute for Atmospheric Environment and Health, Fukuoka University, 8-19-1 Nanakuma, Jonan-ku, Fukuoka, 814-0180, Japan
| | - Hiroaki Ozaki
- Department of Ophthalmology, Faculty of Medicine, Fukuoka University, 7-45-1 Nanakuma, Jonan-ku, Fukuoka, 814-0180, Japan
| | - Eiichi Uchio
- Department of Ophthalmology, Faculty of Medicine, Fukuoka University, 7-45-1 Nanakuma, Jonan-ku, Fukuoka, 814-0180, Japan.
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George S, Chua ML, ZheWei DZ, Das R, Bijin VA, Connolly JE, Lee KP, Yung CF, Teoh OH, Thomas B. Personal level exposure and hazard potential of particulate matter during haze and non-haze periods in Singapore. CHEMOSPHERE 2020; 243:125401. [PMID: 31995870 DOI: 10.1016/j.chemosphere.2019.125401] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/28/2019] [Revised: 11/12/2019] [Accepted: 11/17/2019] [Indexed: 06/10/2023]
Abstract
Severe haze episodes originating from biomass burning are common in Southeast Asia. However, there is a paucity of data on the personal exposure and characteristics of Particulate Matter (PM) present in ambient air during haze and non-haze periods. Aims of this study were to monitor 24 h ambulatory exposure to PM among school children in Singapore; characterize haze and non-haze PM for their physicochemical properties, cytotoxicity and inflammatory potential, using bronchial epithelial cell culture model (BEAS-2B). Forty-six children had ambulatory PM exposure monitored using portable Aethalometer and their hourly activity recorded. The mean (±SE) PM exposure on a typical school day was 3343 (±174.4) ng/m3/min. Higher PM exposure was observed during haze periods and during commuting to and from the school. Characterization of PM collected showed a drastic increase in the proportion of ultrafine particle (UFP) in haze PM. These PM fraction showed higher level of sulphur, potassium and trace metals in comparison to those collected during non-haze periods. Dose dependent increases in abiotic reactive oxygen species generation, activation of NF-κB and cytotoxicity were observed for both haze and non-haze PM. Generally, haze PM induced significantly higher release of IL-6, IL-8 and TNFα by BEAS-2B cells in comparison to non-haze PM. In summary, this study provides experimental evidence for higher PM exposure during haze period which has the potential to elicit oxidative stress and pro-inflammatory cytokine release from airway epithelial cells.
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Affiliation(s)
- Saji George
- Centre for Sustainable Nanotechnology, School of Chemical and Life Sciences, Nanyang Polytechnic, 569830, Singapore; Department of Food Science and Agricultural Chemistry, Faculty of Agricultural and Environmental Sciences, McGill University, 21111 Lakeshore, Ste Anne de Bellevue, Quebec, H9X3V9, Canada.
| | - Mei Ling Chua
- Centre for Sustainable Nanotechnology, School of Chemical and Life Sciences, Nanyang Polytechnic, 569830, Singapore
| | | | - Reshmi Das
- Earth Observatory of Singapore, Nanyang Technological University, 639798, Singapore; School of Environmental Studies, Jadavpur University 700032, India
| | | | | | - Khai Pin Lee
- KK Women's and Children's Hospital, 229899, Singapore
| | - Chee Fu Yung
- KK Women's and Children's Hospital, 229899, Singapore
| | - Oon Hoe Teoh
- KK Women's and Children's Hospital, 229899, Singapore; Duke-NUS Medical School, Singapore; Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore; Yong Loo Lin School of Medicine, National University of Singapore, Singapore
| | - Biju Thomas
- KK Women's and Children's Hospital, 229899, Singapore; Duke-NUS Medical School, Singapore; Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore; Yong Loo Lin School of Medicine, National University of Singapore, Singapore.
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4
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Onishi T, Honda A, Tanaka M, Chowdhury PH, Okano H, Okuda T, Shishido D, Terui Y, Hasegawa S, Kameda T, Tohno S, Hayashi M, Nishita-Hara C, Hara K, Inoue K, Yasuda M, Hirano S, Takano H. Ambient fine and coarse particles in Japan affect nasal and bronchial epithelial cells differently and elicit varying immune response. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2018; 242:1693-1701. [PMID: 30086990 DOI: 10.1016/j.envpol.2018.07.103] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/21/2018] [Revised: 07/20/2018] [Accepted: 07/22/2018] [Indexed: 06/08/2023]
Abstract
Ambient particulate matter (PM) epidemiologically exacerbates respiratory and immune health, including allergic rhinitis (AR) and bronchial asthma (BA). Although fine and coarse particles can affect respiratory tract, the differences in their effects on the upper and lower respiratory tract and immune system, their underlying mechanism, and the components responsible for the adverse health effects have not been yet completely elucidated. In this study, ambient fine and coarse particles were collected at three different locations in Japan by cyclone technique. Both particles collected at all locations decreased the viability of nasal epithelial cells and antigen presenting cells (APCs), increased the production of IL-6, IL-8, and IL-1β from bronchial epithelial cells and APCs, and induced expression of dendritic and epithelial cell (DEC) 205 on APCs. Differences in inflammatory responses, but not in cytotoxicity, were shown between both particles, and among three locations. Some components such as Ti, Co, Zn, Pb, As, OC (organic carbon) and EC (elemental carbon) showed significant correlations to inflammatory responses or cytotoxicity. These results suggest that ambient fine and coarse particles differently affect nasal and bronchial epithelial cells and immune response, which may depend on particles size diameter, chemical composition and source related particles types.
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Affiliation(s)
- Toshinori Onishi
- Environmental Health Division, Department of Environmental Engineering, Graduate School of Engineering, Kyoto University, Kyoto, Japan; Department of Otolaryngology-Head and Neck Surgery, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Akiko Honda
- Environmental Health Division, Department of Environmental Engineering, Graduate School of Engineering, Kyoto University, Kyoto, Japan.
| | - Michitaka Tanaka
- Environmental Health Division, Department of Environmental Engineering, Graduate School of Engineering, Kyoto University, Kyoto, Japan
| | - Pratiti H Chowdhury
- Environmental Health Division, Department of Environmental Engineering, Graduate School of Engineering, Kyoto University, Kyoto, Japan
| | - Hitoshi Okano
- Environmental Health Division, Department of Environmental Engineering, Graduate School of Engineering, Kyoto University, Kyoto, Japan
| | - Tomoaki Okuda
- Faculty of Science and Technology, Keio University, Kanagawa, Japan
| | - Daiki Shishido
- Faculty of Science and Technology, Keio University, Kanagawa, Japan
| | - Yoshihiro Terui
- Faculty of Science and Technology, Keio University, Kanagawa, Japan
| | | | | | - Susumu Tohno
- Graduate School of Energy Science, Kyoto University, Japan
| | - Masahiko Hayashi
- Fukuoka Institute of Atmospheric Environment and Health, Fukuoka University, Japan
| | - Chiharu Nishita-Hara
- Fukuoka Institute of Atmospheric Environment and Health, Fukuoka University, Japan
| | - Keiichiro Hara
- Fukuoka Institute of Atmospheric Environment and Health, Fukuoka University, Japan
| | | | - Makoto Yasuda
- Department of Otolaryngology-Head and Neck Surgery, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Shigeru Hirano
- Department of Otolaryngology-Head and Neck Surgery, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Hirohisa Takano
- Environmental Health Division, Department of Environmental Engineering, Graduate School of Engineering, Kyoto University, Kyoto, Japan
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5
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Genter MB. Editor's Note. Int J Toxicol 2018; 37:351. [PMID: 30236031 DOI: 10.1177/1091581818800031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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6
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Machoń-Grecka A, Dobrakowski M, Kasperczyk A, Birkner E, Pryzwan T, Kasperczyk S. The effect of subacute lead exposure on selected blood inflammatory biomarkers and angiogenetic factors. J Occup Health 2018; 60:369-375. [PMID: 30122729 PMCID: PMC6176028 DOI: 10.1539/joh.2017-0307-oa] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Objectives: The aim of the study was to examine blood levels of selected pro-inflammatory cytokines, C reactive protein (CRP), and selected factors that influence angiogenesis in workers exposed to lead for a short period of time. Methods: The study population consisted of 36 male workers (mean age 41 ± 14 years) exposed to lead for 40 days. Results: The mean blood lead level (BLL) was 10.7 ± 7.67 μg/dl at the beginning of the study, and increased to 49.1 ± 14.1 μg/dl at the end of the study period. The levels of macrophage inflammatory protein 1-α (MIP-1α) were significantly higher after the studied exposure to lead compared to the baseline by 71%. Similarly, the values of CRP increased by 35%. Conversely, the values of soluble vascular endothelial growth factor receptor-1 (sVEGFR-1) and fibroblast growth factor-basic (FGF-basic) decreased by 14% and 21%, respectively. After the examined period of lead exposure, analysis of correlations showed positive correlations between vascular endothelial growth factor (VEGF) levels and the levels of interleukin 1β (IL-1β) (R = 0.39), interleukin 6 (IL-6) (R = 0.42), and MIP-1α (R = 0.54). Positive correlations were identified between MIP-1α and FGF-basic (R = 0.38), soluble angiopoietin receptor (sTie-2) (R = 0.41), and sVEGFR-1 (R = 0.47). Discussion: Short-term exposure to lead induces the inflammatory response; however, these mechanisms seem to be different from those observed in chronic lead exposure. Subacute exposure to lead may dysregulate angiogenesis via modifications in the levels of angiogenic factors.
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Affiliation(s)
- Anna Machoń-Grecka
- Department of Biochemistry, School of Medicine with the Division of Dentistry, Medical University of Silesia
| | - Michał Dobrakowski
- Department of Biochemistry, School of Medicine with the Division of Dentistry, Medical University of Silesia
| | - Aleksandra Kasperczyk
- Department of Biochemistry, School of Medicine with the Division of Dentistry, Medical University of Silesia
| | - Ewa Birkner
- Department of Biochemistry, School of Medicine with the Division of Dentistry, Medical University of Silesia
| | - Tomasz Pryzwan
- Department of Biochemistry, School of Medicine with the Division of Dentistry, Medical University of Silesia
| | - Sławomir Kasperczyk
- Department of Biochemistry, School of Medicine with the Division of Dentistry, Medical University of Silesia
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7
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Chowdhury PH, Okano H, Honda A, Kudou H, Kitamura G, Ito S, Ueda K, Takano H. Aqueous and organic extract of PM 2.5 collected in different seasons and cities of Japan differently affect respiratory and immune systems. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2018; 235:223-234. [PMID: 29291522 DOI: 10.1016/j.envpol.2017.12.040] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/09/2017] [Revised: 10/24/2017] [Accepted: 12/10/2017] [Indexed: 06/07/2023]
Abstract
Particulate matter with diameters <2.5 μm (i.e., PM2.5) has multiple natural and anthropological sources. The association between PM2.5 and the exacerbation of respiratory allergy and asthma has been well studied, but the components of PM2.5 that are responsible for allergies have not yet been determined. Here, we elucidated the effects of aqueous and organic extract of PM2.5 collected during four seasons in November 2014-December 2015 in two cities (Kawasaki, an industrial area and Fukuoka, an urban area affected by transboundary pollution matter) of Japan on respiratory health. Ambient PM2.5 was collected by high-volume air samplers and extracted into water soluble and lipid soluble components. Human airway epithelial cells, murine bone marrow-derived antigen-presenting cells (APC) and splenocytes were exposed to PM2.5 extracts. We measured the cell viability and release of interleukin (IL)-6 and IL-8 from airway epithelial cells, the DEC205 and CD86 expressions on APCs and cell proliferation, and TCR and CD19 expression on splenocytes. The water-soluble or aqueous extracts, especially those from Kawasaki in fall, had a greater cytotoxic effect than the lipid-soluble or organic extracts in airway epithelial cells, but they caused almost no pro-inflammatory response. Extract of fall, especially the aqueous extract from Fukuoka, increased the DEC205 and CD86 expressions on APC. Moreover, aqueous extracts of fall, summer, and spring from Fukuoka significantly increased proliferation of splenocytes. Organic extract of spring and summer from Kawasaki significantly elevated the TCR expression, and organic extract of summer from Kawasaki decreased the CD19 expression. These results suggest that PM2.5 extract samples are responsible for cytotoxicity in airway epithelial cells and for activating APCs and T-cells, which can contribute to the exacerbation of respiratory diseases such as asthma. These effects can differ by PM2.5 components, collection areas and seasons.
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Affiliation(s)
- Pratiti Home Chowdhury
- Environmental Health Division, Department of Environmental Engineering, Graduate School of Engineering, Kyoto University, Kyoto, Japan
| | - Hitoshi Okano
- Environmental Health Division, Department of Environmental Engineering, Graduate School of Engineering, Kyoto University, Kyoto, Japan
| | - Akiko Honda
- Environmental Health Division, Department of Environmental Engineering, Graduate School of Engineering, Kyoto University, Kyoto, Japan.
| | - Hitomi Kudou
- Environmental Health Division, Department of Environmental Engineering, Graduate School of Engineering, Kyoto University, Kyoto, Japan
| | - Gaku Kitamura
- Environmental Health Division, Department of Environmental Engineering, Graduate School of Engineering, Kyoto University, Kyoto, Japan
| | - Sho Ito
- Environmental Health Division, Department of Environmental Engineering, Graduate School of Engineering, Kyoto University, Kyoto, Japan
| | - Kayo Ueda
- Environmental Health Division, Department of Environmental Engineering, Graduate School of Engineering, Kyoto University, Kyoto, Japan
| | - Hirohisa Takano
- Environmental Health Division, Department of Environmental Engineering, Graduate School of Engineering, Kyoto University, Kyoto, Japan
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8
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Mino J, Quémerais B. Using a Particle Counter to Inform the Creation of Similar Exposure Groups and Sampling Protocols in a Structural Steel Fabrication Facility. TOXICS 2017; 5:toxics5040034. [PMID: 29168761 PMCID: PMC5750562 DOI: 10.3390/toxics5040034] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/20/2017] [Revised: 11/14/2017] [Accepted: 11/17/2017] [Indexed: 11/16/2022]
Abstract
The objective of this project was to create similar exposure groups (SEGs) for occupational monitoring in a structural steel fabrication facility. Qualitative SEG formation involved worksite observation, interviews, and audits of materials and procedures. These were supplemented with preliminary task-based shop survey data collected using a condensation particle counter. A total of six SEGs were formed, with recommendations for occupational exposure sampling for five groups, as well as ambient sampling recommendations to address areas on the operational floor found to have higher particle concentrations. The combination of direct reading device data and qualitative SEG formation techniques is a valuable approach, as it contains both the monetary and temporal costs of worksite exposure monitoring. This approach also provides an empowering in-house analysis of potentially problematic areas, and results in the streamlining of occupational exposure assessment.
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Affiliation(s)
- James Mino
- Division of Preventive Medicine, University of Alberta, Edmonton, AB T6G 2S2, Canada.
| | - Bernadette Quémerais
- Division of Preventive Medicine, University of Alberta, Edmonton, AB T6G 2S2, Canada.
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9
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Honda A, Chowdhury PH, Ito S, Okano H, Onishi T, Kawaryu Y, Ueda K, Takano H. Synergic effects of 9,10-phenanthrenequinone and cadmium on pro-inflammatory responses in airway epithelial cells. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2017; 52:276-279. [PMID: 28477472 DOI: 10.1016/j.etap.2017.04.019] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/13/2017] [Accepted: 04/25/2017] [Indexed: 06/07/2023]
Abstract
We investigated the synergic effects of components of particulate matter with aerodynamic diameters ≤2.5μm (PM2.5) on airway inflammation. Co-exposure to cadmium (Cd) and 9,10-phenanthrenequinone (9,10-PQ) additively/synergistically increased pro-inflammatory responses in airway epithelial cells, whereas co-exposure to Cd and phenanthrene resulted in no acceleration. These results suggest that the combination of metal and a quinone derivative can contribute to the exacerbation of respiratory diseases by PM2.5.
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Affiliation(s)
- Akiko Honda
- Environmental Health Division, Department of Environmental Engineering, Graduate School of Engineering, Kyoto University, Kyoto, Japan.
| | - Pratiti Home Chowdhury
- Environmental Health Division, Department of Environmental Engineering, Graduate School of Engineering, Kyoto University, Kyoto, Japan
| | - Sho Ito
- Environmental Health Division, Department of Environmental Engineering, Graduate School of Engineering, Kyoto University, Kyoto, Japan
| | - Hitoshi Okano
- Environmental Health Division, Department of Environmental Engineering, Graduate School of Engineering, Kyoto University, Kyoto, Japan
| | - Toshinori Onishi
- Environmental Health Division, Department of Environmental Engineering, Graduate School of Engineering, Kyoto University, Kyoto, Japan; Department of Otolaryngology-Head and Neck Surgery, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Yusuke Kawaryu
- Environmental Health Division, Department of Environmental Engineering, Graduate School of Engineering, Kyoto University, Kyoto, Japan
| | - Kayo Ueda
- Environmental Health Division, Department of Environmental Engineering, Graduate School of Engineering, Kyoto University, Kyoto, Japan
| | - Hirohisa Takano
- Environmental Health Division, Department of Environmental Engineering, Graduate School of Engineering, Kyoto University, Kyoto, Japan
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10
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Phuagkhaopong S, Ospondpant D, Kasemsuk T, Sibmooh N, Soodvilai S, Power C, Vivithanaporn P. Cadmium-induced IL-6 and IL-8 expression and release from astrocytes are mediated by MAPK and NF-κB pathways. Neurotoxicology 2017; 60:82-91. [DOI: 10.1016/j.neuro.2017.03.001] [Citation(s) in RCA: 67] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2016] [Revised: 03/04/2017] [Accepted: 03/06/2017] [Indexed: 11/24/2022]
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11
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Honda A, Fukushima W, Oishi M, Tsuji K, Sawahara T, Hayashi T, Kudo H, Kashima Y, Takahashi K, Sasaki H, Ueda K, Takano H. Effects of Components of PM 2.5 Collected in Japan on the Respiratory and Immune Systems. Int J Toxicol 2017; 36:153-164. [PMID: 28056587 DOI: 10.1177/1091581816682224] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Epidemiologic studies have reported that particulate matter with aerodynamic diameters ≤2.5 μm (PM2.5) affect respiratory diseases, including asthma. The components and/or factors of PM2.5 that contribute to the exacerbation of asthma have not been identified. We investigated the effects of extracts of PM2.5 collected in Japan on the respiratory and immune systems. PM2.5 was collected from an industrial area and an urban area in December 2013. Airway epithelial cells and immune cells were exposed to aqueous or organic extracts of PM2.5. Exposure to extracts from both areas, especially to organic extracts rather than aqueous extracts, caused a pro-inflammatory response via interleukin (IL) 6 production from airway epithelial cells, and it induced the maturation/activation of bone marrow-derived antigen-presenting cells via dendritic and epithelial cell (DEC) 205 and cluster of differentiation (CD) 86 expression and proportional changes in the constitution of the splenocytes. The extracts collected from the industrial area tended to show greater effects than those from the urban area. These results suggest that organic components of PM2.5 affect the respiratory and immune systems. These effects can differ by the collection areas. In addition, IL-6, DEC205, and CD86 can be predictive biomarkers for the respiratory and immune effects of ambient PM2.5.
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Affiliation(s)
- Akiko Honda
- 1 Environmental Health Division, Department of Environmental Engineering, Graduate School of Engineering, Kyoto University, Kyoto, Japan
| | - Wataru Fukushima
- 1 Environmental Health Division, Department of Environmental Engineering, Graduate School of Engineering, Kyoto University, Kyoto, Japan
| | - Mizuki Oishi
- 1 Environmental Health Division, Department of Environmental Engineering, Graduate School of Engineering, Kyoto University, Kyoto, Japan
| | - Kenshi Tsuji
- 1 Environmental Health Division, Department of Environmental Engineering, Graduate School of Engineering, Kyoto University, Kyoto, Japan
| | - Takahiro Sawahara
- 1 Environmental Health Division, Department of Environmental Engineering, Graduate School of Engineering, Kyoto University, Kyoto, Japan
| | - Tomohiro Hayashi
- 1 Environmental Health Division, Department of Environmental Engineering, Graduate School of Engineering, Kyoto University, Kyoto, Japan
| | - Hitomi Kudo
- 1 Environmental Health Division, Department of Environmental Engineering, Graduate School of Engineering, Kyoto University, Kyoto, Japan
| | - Yuji Kashima
- 2 Japan Environmental Sanitation Center, Kanagawa, Japan
| | | | - Hideki Sasaki
- 2 Japan Environmental Sanitation Center, Kanagawa, Japan
| | - Kayo Ueda
- 1 Environmental Health Division, Department of Environmental Engineering, Graduate School of Engineering, Kyoto University, Kyoto, Japan
| | - Hirohisa Takano
- 1 Environmental Health Division, Department of Environmental Engineering, Graduate School of Engineering, Kyoto University, Kyoto, Japan
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12
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Merli D, Brandone A, Amadasi A, Cattaneo C, Profumo A. The detection of gunshot residues in the nasal mucus of suspected shooters. Int J Legal Med 2016; 130:1045-1052. [PMID: 27179646 DOI: 10.1007/s00414-016-1375-7] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2016] [Accepted: 04/29/2016] [Indexed: 11/25/2022]
Abstract
The identification and quantification of metallic residues produced by gunshots, called gunshot residues (GSR), provide crucial elements in forensic investigations. The research has been largely focused on their collection onto the hands of suspected shooters, but the method is often burdened by risks of contamination. This research was focused on the possibility of sampling GSR trapped inside the nasal mucus of consenting shooters. Samples of the nasal mucus of "blank" control subjects and shooters were chemically analysed by Instrumental Neutron Activation Analysis (INAA), for residues of antimony (Sb) and barium (Ba), while lead (Pb) was excluded as ubiquitously environmental contaminant and due to high instrumental quantification limit (IQL) of INAA for this element. Shots were fired using two types of weapons (pistols and revolvers) and different firing sequences. The mucus was sampled at different times: immediately after the shots, after 30-60-120 and 180 min. Different amounts of Sb and Ba were detected between controls and shooters, witnessing the ability of the nasal mucus to retain GSR at concentrations significantly different even from the highest basal levels. Moreover, in order to simulate actual cases, nasal mucus from five groups of shooters was sampled after different shots with the same weapon and cartridges, immediately and after 1, 3, 12, and 24 h. The highest values were always found in the first 3 h from firing, for both weapons. Interestingly, for all the weapons, significant Sb and Ba concentrations were also found up to 12 h after firing, contrary to what occurs on hands, even though a progressive decrease was detected, with values below the detection threshold only after 24 h, thus demonstrating that GSR are persistent in nasal mucus. These first results proving that both Sb and Ba were qualitatively detectable in the nasal mucus of shooters indicate that the chemical analysis of the nasal mucus of suspected shooters may represent a promising tool in the forensic field since it is less burdened by problems related to sampling or contamination than the usual sampling on hand, providing that ammunitions employed contain Ba and Sb.
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Affiliation(s)
- Daniele Merli
- Dipartimento di Chimica, Università degli Studi di Pavia, Via Taramelli 12, 27100, Pavia, Italy.
| | - Alberto Brandone
- Dipartimento di Chimica, Università degli Studi di Pavia, Via Taramelli 12, 27100, Pavia, Italy
| | - Alberto Amadasi
- Dipartimento di Scienze Biomediche per la Salute, Sezione di Medicina Legale, Università degli Studi di Milano, via Mangiagalli 37, 20133, Milan, Italy
| | - Cristina Cattaneo
- Dipartimento di Scienze Biomediche per la Salute, Sezione di Medicina Legale, Università degli Studi di Milano, via Mangiagalli 37, 20133, Milan, Italy
| | - Antonella Profumo
- Dipartimento di Chimica, Università degli Studi di Pavia, Via Taramelli 12, 27100, Pavia, Italy
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Xu H, Han S, Bi X, Zhao Z, Zhang L, Yang W, Zhang M, Chen J, Wu J, Zhang Y, Feng Y. Atmospheric metallic and arsenic pollution at an offshore drilling platform in the Bo Sea: A health risk assessment for the workers. JOURNAL OF HAZARDOUS MATERIALS 2016; 304:93-102. [PMID: 26547617 DOI: 10.1016/j.jhazmat.2015.10.065] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/24/2015] [Revised: 10/13/2015] [Accepted: 10/27/2015] [Indexed: 06/05/2023]
Abstract
To investigate the ambient metal pollution at the offshore drilling platform in the Bo Sea, which few studies have focused on, PM2.5 samples were collected and ten heavy metals, as well as As, were analyzed. High concentration levels of metals were observed, and the heavy metal pollution was quite serious compared to air quality standards and other marine areas. Back trajectories and wind dependent and PCA analyses showed that the marine sources included ship traffic emissions and corrosive stainless steels from the equipment at the platform as well as industrial emissions from stainless steel production and coal combustion sources, which were transported from the surrounding mainland. Both contributed greatly to the ambient metallic particles at the offshore platform. The Hazard Index values of the metals, which were much less than 1, the Carcinogenic Risk data, which were lower than the EPA's acceptable range, and the fact that the metal concentrations did not the exceed the permissible exposure limits of OSHA, indicated that the health risks from the ambient metallic particles for the oil-drilling workers were not significant.
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Affiliation(s)
- Hong Xu
- State Environmental Protection Key Laboratory of Urban Ambient Air Particulate Matter Pollution Prevention and Control, Joint Laboratory of Urban and Ambient Air Environment Study, College of Environmental Science and Engineering, Nankai University, Tianjin 300071, China
| | - Suqin Han
- Research Institute of Meteorological Science, Tianjin 300074, China
| | - Xiaohui Bi
- State Environmental Protection Key Laboratory of Urban Ambient Air Particulate Matter Pollution Prevention and Control, Joint Laboratory of Urban and Ambient Air Environment Study, College of Environmental Science and Engineering, Nankai University, Tianjin 300071, China.
| | - Zhijing Zhao
- State Environmental Protection Key Laboratory of Urban Ambient Air Particulate Matter Pollution Prevention and Control, Joint Laboratory of Urban and Ambient Air Environment Study, College of Environmental Science and Engineering, Nankai University, Tianjin 300071, China
| | - Lei Zhang
- Research Institute of Meteorological Science, Tianjin 300074, China
| | - Wenjie Yang
- Research Institute of Meteorological Science, Tianjin 300074, China
| | - Min Zhang
- Research Institute of Meteorological Science, Tianjin 300074, China
| | - Jing Chen
- Research Institute of Meteorological Science, Tianjin 300074, China
| | - Jianhui Wu
- State Environmental Protection Key Laboratory of Urban Ambient Air Particulate Matter Pollution Prevention and Control, Joint Laboratory of Urban and Ambient Air Environment Study, College of Environmental Science and Engineering, Nankai University, Tianjin 300071, China
| | - Yufen Zhang
- State Environmental Protection Key Laboratory of Urban Ambient Air Particulate Matter Pollution Prevention and Control, Joint Laboratory of Urban and Ambient Air Environment Study, College of Environmental Science and Engineering, Nankai University, Tianjin 300071, China.
| | - Yinchang Feng
- State Environmental Protection Key Laboratory of Urban Ambient Air Particulate Matter Pollution Prevention and Control, Joint Laboratory of Urban and Ambient Air Environment Study, College of Environmental Science and Engineering, Nankai University, Tianjin 300071, China
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