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Costa S, Vilas-Boas V, Lebre F, Granjeiro JM, Catarino CM, Moreira Teixeira L, Loskill P, Alfaro-Moreno E, Ribeiro AR. Microfluidic-based skin-on-chip systems for safety assessment of nanomaterials. Trends Biotechnol 2023; 41:1282-1298. [PMID: 37419838 DOI: 10.1016/j.tibtech.2023.05.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 05/07/2023] [Accepted: 05/26/2023] [Indexed: 07/09/2023]
Abstract
The skin is the body's largest organ, continuously exposed to and affected by natural and anthropogenic nanomaterials (materials with external and internal dimensions in the nanoscale range). This broad spectrum of insults gives rise to irreversible health effects (from skin corrosion to cancer). Organ-on-chip systems can recapitulate skin physiology with high fidelity and potentially revolutionize the safety assessment of nanomaterials. Here, we review current advances in skin-on-chip models and their potential to elucidate biological mechanisms. Further, strategies are discussed to recapitulate skin physiology on-chip, improving control over nanomaterials exposure and transport across cells. Finally, we highlight future opportunities and challenges from design and fabrication to acceptance by regulatory bodies and industry.
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Affiliation(s)
- S Costa
- Nanosafety Group, International Iberian Nanotechnology Laboratory, Braga, Portugal
| | - V Vilas-Boas
- Nanosafety Group, International Iberian Nanotechnology Laboratory, Braga, Portugal
| | - F Lebre
- Nanosafety Group, International Iberian Nanotechnology Laboratory, Braga, Portugal
| | - J M Granjeiro
- Biology Coordination, National Institute of Metrology Quality and Technology (INMETRO), Rio de Janeiro, Brazil
| | - C M Catarino
- Product Safety Management- Quality, Excellence, and Care, Grupo Boticário, Paraná, Brazil
| | - L Moreira Teixeira
- Department of Advanced Organ bioengineering and Therapeutics, Technical Medical Centre, University of Twente, Enschede, The Netherlands
| | - P Loskill
- 3R-Center for In vitro Models and Alternatives to Animal Testing, Tübingen, Germany
| | - E Alfaro-Moreno
- Nanosafety Group, International Iberian Nanotechnology Laboratory, Braga, Portugal
| | - A R Ribeiro
- Nanosafety Group, International Iberian Nanotechnology Laboratory, Braga, Portugal.
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Honda A, Inoue KI, Higashihara M, Ichinose T, Ueda K, Takano H. Differential Pattern of Cell Death and ROS Production in Human Airway Epithelial Cells Exposed to Quinones Combined with Heated-PM2.5 and/or Asian Sand Dust. Int J Mol Sci 2023; 24:10544. [PMID: 37445720 DOI: 10.3390/ijms241310544] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2023] [Revised: 06/15/2023] [Accepted: 06/19/2023] [Indexed: 07/15/2023] Open
Abstract
The combined toxicological effects of airborne particulate matter (PM), such as PM2.5, and Asian sand dust (ASD), with surrounding chemicals, particularly quinones, on human airway epithelial cells remain underexplored. In this study, we established an in vitro combination exposure model using 1,2-naphthoquinones (NQ) and 9,10-phenanthroquinones (PQ) along with heated PM (h-PM2.5 and h-ASD) to investigate their potential synergistic effects. The impacts of quinones and heated PM on tetrazolium dye (WST-1) reduction, cell death, and cytokine and reactive oxygen species (ROS) production were examined. Results revealed that exposure to 9,10-PQ with h-PM2.5 and/or h-ASD dose-dependently increased WST-1 reduction at 1 μM compared to the corresponding control while markedly decreasing it at 10 μM. Higher early apoptotic, late apoptotic, or necrotic cell numbers were detected in 9,10-PQ + h-PM2.5 exposure than in 9,10-PQ + h-ASD or 9,10-PQ + h-PM2.5 + h-ASD. Additionally, 1,2-NQ + h-PM2.5 exposure also resulted in an increase in cell death compared to 1,2-NQ + h-ASD and 1,2-NQ + h-PM2.5 + h-ASD. Quinones with or without h-PM2.5, h-ASD, or h-PM2.5 + h-ASD significantly increased ROS production, especially with h-PM2.5. Our findings suggest that quinones, at relatively low concentrations, induce cell death synergistically in the presence of h-PM2.5 rather than h-ASD and h-PM2.5 + h-ASD, partially through the induction of apoptosis with increased ROS generation.
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Affiliation(s)
- Akiko Honda
- Graduate School of Engineering, Kyoto University, Kyoto 615-8540, Japan
| | - Ken-Ichiro Inoue
- School of Nursing, University of Shizuoka, Shizuoka 422-8526, Japan
| | | | - Takamichi Ichinose
- Graduate School of Global Environmental Studies, Kyoto University, Kyoto 615-8540, Japan
- Department of Health Science, Oita University of Nursing and Health Sciences, Oita 870-1201, Japan
| | - Kayo Ueda
- Department of Hygiene, Graduate School of Medicine, Hokkaido University, Hokkaido 060-8638, Japan
| | - Hirohisa Takano
- Graduate School of Global Environmental Studies, Kyoto University, Kyoto 615-8540, Japan
- Institute for International Academic Research, Kyoto University of Advanced Science, Kyoto 615-8577, Japan
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Arooj M, Rehman A, Hyun CL, Rafique A, Kang HK, Hyun JW, Koh YS. Diesel exhaust particulate matter impairs Toll-like receptor signaling and host defense against staphylococcal cutaneous infection in mice. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 249:114443. [PMID: 38321662 DOI: 10.1016/j.ecoenv.2022.114443] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Revised: 12/13/2022] [Accepted: 12/15/2022] [Indexed: 02/08/2024]
Abstract
Air pollution is an emerging cause of mortality, affecting nearly 5 million people each year. Exposure to diesel exhaust fine particulate matter (PM2.5) aggravates respiratory and skin conditions. However, its impact on the protective immunity of the skin remains poorly understood. This study aimed to investigate the underlying molecular mechanism for adverse effects of PM2.5 on the host protective immunity using in vitro cell and in vivo mouse model. Intracellular translocation of Toll-like receptor 9 (TLR9) and CpG-DNA internalization were assessed in dendritic cells without or with PM2.5 treatment using immunofluorescence staining. Cytokine and nitric oxide production were measured in dendritic cells and macrophages without or with PM2.5 treatment. NF-κB and MAPK signaling was determined using western blotting. Skin disease severity, bacterial loads, and cytokine production were assessed in cutaneous Staphylococcus aureus (S. aureus) infection mouse model. PM2.5 interfered with TLR9 activation by inhibiting both TLR9 trafficking to early endosomes and CpG-DNA internalization via clathrin-mediated endocytosis. In addition, exposure to PM2.5 inhibited various TLR-mediated nitric oxide and cytokine production as well as MAPK and NF-κB signaling. PM2.5 rendered mice more susceptible to staphylococcal skin infections. Our results suggest that exposure to PM impairs TLR signaling and dampens the host defense against staphylococcal skin infections. Our data provide a novel perspective into the impact of PM on protective immunity which is paramount to revealing air pollutant-mediated toxicity on the host immunity.
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Affiliation(s)
- Madeeha Arooj
- College of Medicine, and Jeju Research Center for Natural Medicine, Jeju National University, 102 Jejudaehakno, Jeju 63243, South Korea
| | - Abdur Rehman
- College of Medicine, and Jeju Research Center for Natural Medicine, Jeju National University, 102 Jejudaehakno, Jeju 63243, South Korea
| | - Chang Lim Hyun
- College of Medicine, and Jeju Research Center for Natural Medicine, Jeju National University, 102 Jejudaehakno, Jeju 63243, South Korea
| | - Asma Rafique
- College of Medicine, and Jeju Research Center for Natural Medicine, Jeju National University, 102 Jejudaehakno, Jeju 63243, South Korea
| | - Hee-Kyoung Kang
- College of Medicine, and Jeju Research Center for Natural Medicine, Jeju National University, 102 Jejudaehakno, Jeju 63243, South Korea
| | - Jin Won Hyun
- College of Medicine, and Jeju Research Center for Natural Medicine, Jeju National University, 102 Jejudaehakno, Jeju 63243, South Korea
| | - Young-Sang Koh
- College of Medicine, and Jeju Research Center for Natural Medicine, Jeju National University, 102 Jejudaehakno, Jeju 63243, South Korea.
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Fitoussi R, Faure MO, Beauchef G, Achard S. Human skin responses to environmental pollutants: A review of current scientific models. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 306:119316. [PMID: 35469928 DOI: 10.1016/j.envpol.2022.119316] [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: 12/25/2021] [Revised: 04/11/2022] [Accepted: 04/14/2022] [Indexed: 06/14/2023]
Abstract
Whatever the exposure route, chemical, physical and biological pollutants modify the whole organism response, leading to nerve, cardiac, respiratory, reproductive, and skin system pathologies. Skin acts as a barrier for preventing pollutant modifications. This review aims to present the available scientific models, which help investigate the impact of pollution on the skin. The research question was "Which experimental models illustrate the impact of pollution on the skin in humans?" The review covered a period of 10 years following a PECO statement on in vitro, ex vivo, in vivo and in silico models. Of 582 retrieved articles, 118 articles were eligible. In oral and inhalation routes, dermal exposure had an important impact at both local and systemic levels. Healthy skin models included primary cells, cell lines, co-cultures, reconstructed human epidermis, and skin explants. In silico models estimated skin exposure and permeability. All pollutants affected the skin by altering elasticity, thickness, the structure of epidermal barrier strength, and dermal extracellular integrity. Some specific models concerned wound healing or the skin aging process. Underlying mechanisms were an exacerbated inflammatory skin reaction with the modulation of several cytokines and oxidative stress responses, ending with apoptosis. Pathological skin models revealed the consequences of environmental pollutants on psoriasis, atopic dermatitis, and tumour development. Finally, scientific models were used for evaluating the safety and efficacy of potential skin formulations in preventing the skin aging process or skin irritation after repeated contact. The review gives an overview of scientific skin models used to assess the effects of pollutants. Chemical and physical pollutants were mainly represented while biological contaminants were little studied. In future developments, cell hypoxia and microbiota models may be considered as more representative of clinical situations. Models considering humidity and temperature variations may reflect the impact of these changes.
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Affiliation(s)
| | - Marie-Odile Faure
- Scientific Consulting For You, 266 avenue Daumesnil, 75012, PARIS, France
| | | | - Sophie Achard
- HERA Team (Health Environmental Risk Assessment), INSERM UMR1153, CRESS-INRAE, Université Paris Cité, Faculté de Pharmacie, 4 avenue de l'Observatoire, 75270 CEDEX 06, PARIS, France.
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Dijkhoff IM, Drasler B, Karakocak BB, Petri-Fink A, Valacchi G, Eeman M, Rothen-Rutishauser B. Impact of airborne particulate matter on skin: a systematic review from epidemiology to in vitro studies. Part Fibre Toxicol 2020; 17:35. [PMID: 32711561 PMCID: PMC7382801 DOI: 10.1186/s12989-020-00366-y] [Citation(s) in RCA: 76] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2020] [Accepted: 07/14/2020] [Indexed: 02/08/2023] Open
Abstract
BACKGROUND Air pollution is killing close to 5 million people a year, and harming billions more. Air pollution levels remain extremely high in many parts of the world, and air pollution-associated premature deaths have been reported for urbanized areas, particularly linked to the presence of airborne nano-sized and ultrafine particles. MAIN TEXT To date, most of the research studies did focus on the adverse effects of air pollution on the human cardiovascular and respiratory systems. Although the skin is in direct contact with air pollutants, their damaging effects on the skin are still under investigation. Epidemiological data suggested a correlation between exposure to air pollutants and aggravation of symptoms of chronic immunological skin diseases. In this study, a systematic literature review was conducted to understand the current knowledge on the effects of airborne particulate matter on human skin. It aims at providing a deeper understanding of the interactions between air pollutants and skin to further assess their potential risks for human health. CONCLUSION Particulate matter was shown to induce a skin barrier dysfunction and provoke the formation of reactive oxygen species through direct and indirect mechanisms, leading to oxidative stress and induced activation of the inflammatory cascade in human skin. Moreover, a positive correlation was reported between extrinsic aging and atopic eczema relative risk with increasing particulate matter exposure.
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Affiliation(s)
- Irini M Dijkhoff
- Adolphe Merkle Institute, University of Fribourg, Chemin des Verdiers 4, CH-1700, Fribourg, Switzerland
| | - Barbara Drasler
- Adolphe Merkle Institute, University of Fribourg, Chemin des Verdiers 4, CH-1700, Fribourg, Switzerland
| | - Bedia Begum Karakocak
- Adolphe Merkle Institute, University of Fribourg, Chemin des Verdiers 4, CH-1700, Fribourg, Switzerland
| | - Alke Petri-Fink
- Adolphe Merkle Institute, University of Fribourg, Chemin des Verdiers 4, CH-1700, Fribourg, Switzerland
| | - Giuseppe Valacchi
- Department of Biomedical and Specialist Surgical Sciences, University of Ferrara, Ferrara, Italy
- Department of Animal Sciences, PHHI NCRC, North Carolina State University, Kannapolis, NC, USA
| | | | - Barbara Rothen-Rutishauser
- Adolphe Merkle Institute, University of Fribourg, Chemin des Verdiers 4, CH-1700, Fribourg, Switzerland.
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Min KD, Yi SJ, Kim HC, Leem JH, Kwon HJ, Hong S, Kim KS, Kim SY. Association between exposure to traffic-related air pollution and pediatric allergic diseases based on modeled air pollution concentrations and traffic measures in Seoul, Korea: a comparative analysis. Environ Health 2020; 19:6. [PMID: 31937319 PMCID: PMC6961284 DOI: 10.1186/s12940-020-0563-6] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2019] [Accepted: 01/07/2020] [Indexed: 05/10/2023]
Abstract
BACKGROUND Pediatric allergic diseases are a major public health concern, and previous studies have suggested that exposure to traffic-related air pollution (TRAP) exposure is a risk factor. These studies have typically assessed TRAP exposure using traffic measures, such as distance to major roads, or by modeling air pollutant concentrations; however inconsistent associations with pediatric allergic diseases have often been found. Using road proximity and density, we previously found an association between TRAP and atopic eczema among approximately 15,000 children living in Seoul, Korea, heavily populated and highly polluted city in which traffic is a major emission source. We aimed to conduct a parallel analysis using modeled air pollution concentrations and thus examine the consistency of the association. Specifically, we examined the associations of individual-level annual-average concentrations of NO2, PM10, and PM2.5 with symptoms and diagnoses of three pediatric allergic diseases including asthma, allergic rhinitis, and atopic eczema. METHODS The study population included 14,614 children from the Seoul Atopy Friendly School Project Survey in Seoul, Korea, in 2010. To assess individual exposures to TRAP among these children, we predicted annual-average concentrations of NO2, PM10, and PM2.5 at the children's home addresses in 2010 using universal kriging and land use regression models along with regulatory air quality monitoring data and geographic characteristics. Then, we estimated odds ratios (ORs) of the three allergic diseases for interquartile increases in air pollution concentrations after adjusting for individual risk factors in mixed effects logistic regression. RESULTS Symptoms and diagnoses of atopic eczema symptoms showed an association with NO2 (OR = 1.07, 95% confidence interval = 1.02-1.13; 1.08, 1.03-1.14) and PM10 (1.06, 1.01-1.12; 1.07, 1.01-1.13). ORs of PM2.5 were positive but not statistically significant (1.01, 0.95-1.07; 1.04, 0.98-1.10). No association was found between asthma and allergic rhinitis, although PM2.5 showed a marginal association with allergic rhinitis. CONCLUSIONS Our consistent findings regarding the association between TRAP and the prevalence of atopic eczema using traffic measures and surrogate air pollutants suggested the effect of TRAP on children's health. Follow-up studies should elucidate the causal link, to support subsequent policy considerations and minimize adverse health effects in children.
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Affiliation(s)
- Kyung-Duk Min
- Department of Public Health Science, Graduate School of Public Health, Seoul National University, Seoul, Republic of Korea
- Institute of Health and Environment, Seoul National University, Seoul, Republic of Korea
| | - Seon-Ju Yi
- Institute of Endemic Diseases, Medical Research Center, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Hwan-Cheol Kim
- Department of Occupational and Environmental Medicine, Inha University School of Medicine, Incheon, Republic of Korea
| | - Jong-Han Leem
- Department of Occupational and Environmental Medicine, Inha University School of Medicine, Incheon, Republic of Korea
| | - Ho-Jang Kwon
- Department of Preventive Medicine, Dankook University College of Medicine, Chungnam, Republic of Korea
| | - Soyoung Hong
- Department of Public Health Science, Graduate School of Public Health, Seoul National University, Seoul, Republic of Korea
| | - Kyoo Sang Kim
- Department of Environmental Health Research, Seoul Medical Center, Seoul, Republic of Korea
| | - Sun-Young Kim
- Department of Cancer Control and Population Health, Graduate School of Cancer Science and Policy, National Cancer Center, Goyang-si, Gyeonggi-do Republic of Korea
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