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Wang X, Sun J, Xu T, Lei Y, Gao M, Lin H. Resveratrol alleviates imidacloprid-induced mitochondrial apoptosis, necroptosis, and immune dysfunction in chicken lymphocyte lines by inhibiting the ROS/MAPK signaling pathway. ENVIRONMENTAL TOXICOLOGY 2024; 39:2052-2063. [PMID: 38095043 DOI: 10.1002/tox.24097] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/25/2023] [Revised: 09/27/2023] [Accepted: 12/01/2023] [Indexed: 03/09/2024]
Abstract
Imidacloprid (IMI) is a neonicotinoid insecticide with the highest global market share, and IMI exposure in the environment can negatively affect many nontarget organisms (a general term for organisms affected by drugs other than target organisms). Resveratrol (RSV), a non-flavonoid polyphenolic organic compound derived from peanuts, grapes, and other plants, has anti-inflammatory and antioxidant effects. It is currently unclear how RSV protects against cell damage caused by IMI. Therefore, we established an experimental model of chicken lymphocyte lines exposed to 110 μg/mL IMI and/or 0.5 μM RSV for 24 h. According to the experimental results, IMI markedly raised intracellular reactive oxygen species levels and diminished the activity of the cellular antioxidant enzymes (CAT, SOD, and GPx), leading to MDA accumulation and decreased T-AOC. JNK, ERK, and P38, the essential components of the mitogen-activated protein kinase (MAPK) signaling pathway, were also expressed more when IMI was present. Additionally, IMI resulted in upregulation of mitochondrial apoptosis (Caspase 3, Caspase 9, Bax, and Cyt-c) and necroptosis (Caspase 8, RIPK1, RIPK3, and MLKL) related factors expression, downregulation of Bcl-2 expression, induction of upregulation of cytokine IL-6 and TNF-α expression, and downregulation of IFN-γ expression. The combined treatment of RSV and IMI significantly reduced cellular oxidative stress levels, inhibited the MAPK signaling pathway, and alleviated IMI-induced mitochondrial apoptosis, necroptosis, and immune dysfunction. To summarize, RSV antagonized IMI-induced mitochondrial apoptosis, necroptosis, and immune dysfunction in chicken lymphocyte lines by inhibiting the ROS/MAPK signaling pathway.
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Affiliation(s)
- Xiaodan Wang
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, People's Republic of China
| | - Jiatong Sun
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, People's Republic of China
| | - Tong Xu
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, People's Republic of China
| | - Yutian Lei
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, People's Republic of China
| | - Meichen Gao
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, People's Republic of China
| | - Hongjin Lin
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, People's Republic of China
- Key Laboratory of the Provincial Education Department of Heilongjiang for Common Animal Disease Prevention and Treatment, College of Veterinary Medicine, Northeast Agricultural University, Harbin, People's Republic of China
- Laboratory of Embryo Biotechnology, College of Life Science, Northeast Agricultural University, Harbin, People's Republic of China
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Stach R, Barone T, Cauda E, Mizaikoff B. A Novel Calibration Method for the Quantification of Respirable Particles in Mining Scenarios Using Fourier Transform Infrared Spectroscopy. APPLIED SPECTROSCOPY 2021; 75:307-316. [PMID: 33031006 DOI: 10.1177/0003702820968062] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
The exposure of mining workers to crystalline particles, e.g., alpha quartz in respirable dust, is a ubiquitous global problem in occupational safety and health at surface and underground operations. The challenge of rapid in-field monitoring for direct assessment and adoption of intervention has not been solved satisfactorily to date, as conventional analytical methods such as X-ray diffraction and infrared spectroscopy require laboratory environments, complex system handling, tedious sample preparation, and are limited by, e.g., addressable particle size. A novel monitoring approach was developed for potential in-field application enabling the quantification of crystalline particles in the respirable regime based on transmission infrared spectroscopy. This on-site approach analyzes samples of dust in ambient air collected onto PVC filters using respirable dust sampling devices. In the present study, we demonstrate that portable Fourier transform infrared (FT-IR) spectroscopy in combination with multivariate data analysis provides a versatile tool for the identification and quantification of minerals in complex real-world matrices. Without further sample preparation, the loaded filters are immediately analyzed via transmission infrared spectroscopy, and the mineral amount is quantified in real-time using a partial least squares regression algorithm. Due to the inherent molecular selectivity for crystalline as well as organic matrix components, infrared spectroscopy uniquely allows to precisely determine the particle composition even in complex samples such as dust from coal mines or clay-rich environments. For establishing a robust partial least squares regression model, a method was developed for generating calibration samples representative in size and composition for respirable mine dust via aerodynamic size separation. Combined with experimental design strategies, this allows tailoring the calibration set to the demands of air quality management in underground mining scenarios, i.e., the respirable particle size regime and the matrix of the target analyte.
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Affiliation(s)
- Robert Stach
- Institute of Analytical and Bioanalytical Chemistry, Ulm University, Ulm, Germany
| | - Teresa Barone
- Pittsburgh Mining Research Division, Centers for Disease Control and Prevention (CDC), National Institute for Occupational Safety and Health, Pittsburgh, PA, USA
| | - Emanuele Cauda
- Pittsburgh Mining Research Division, Centers for Disease Control and Prevention (CDC), National Institute for Occupational Safety and Health, Pittsburgh, PA, USA
| | - Boris Mizaikoff
- Institute of Analytical and Bioanalytical Chemistry, Ulm University, Ulm, Germany
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Zhang Y, Ge S, Yang Z, Li Z, Gong X, Zhang Q, Dong W, Dong C. Disturbance of di-(2-ethylhexyl) phthalate in hepatic lipid metabolism in rats fed with high fat diet. Food Chem Toxicol 2020; 146:111848. [DOI: 10.1016/j.fct.2020.111848] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2019] [Revised: 10/16/2020] [Accepted: 11/02/2020] [Indexed: 01/05/2023]
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McDonald LT, Christopher SJ, Morton SL, LaRue AC. Physical and elemental analysis of Middle East sands from recent combat zones. Inhal Toxicol 2020; 32:189-199. [PMID: 32448007 DOI: 10.1080/08958378.2020.1766602] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
Objective: The lungs are uniquely exposed to the external environment. Sand and dust exposures in desert regions are common among deployed soldiers. A significant number of Veterans deployed to the Middle East report development of respiratory disorders and diseases.Materials and methods: Sand collected from Fallujah, Iraq and Kandahar, Afghanistan combat zones was analyzed and compared to a sand sample collected from an historic United States (U.S.) battle region (Fort Johnson, James Island, SC, Civil War battle site). Sand samples were analyzed to determine the physical and elemental characteristics that may have the potential to contribute to development of respiratory disease.Results: Using complementary scanning electron microscopy (SEM) imaging and analysis, and inductively coupled plasma mass spectrometry (ICP-MS), it was determined that Iraq sand contained elevated levels of calcium and first row transition metals versus Afghanistan and U.S. sand. Iraq sand particle texture was smooth and round, and particles were considerably smaller than Afghanistan sand. Afghanistan sand was elevated in rare earth metals versus Iraq or U.S. sands and had sharp edge features and larger particle size than Iraq sand.Conclusions: These data demonstrate significant differences in Iraq and Afghanistan sand particle size and characteristics. Middle East sands contained elevated levels of elements that have been associated with respiratory disease versus control site sand, suggesting the potential of sand/dust storm exposure to promote adverse respiratory symptoms. Data also demonstrate the potential for variation based on geographical region or site of exposure. The data generated provide baseline information that will be valuable in designing future exposure studies.
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Affiliation(s)
- Lindsay T McDonald
- Research Services, Ralph H. Johnson VA Medical Center, Charleston, SC, USA.,Department of Pathology and Laboratory Medicine, Medical University of South Carolina, Charleston, SC, USA
| | - Steven J Christopher
- Inorganic Measurement Science Group, National Institute of Standards and Technology, Charleston, SC, USA
| | - Steve L Morton
- Stressor Detection and Impacts Division, National Centers for Coastal Ocean Science, NOAA National Ocean Service, Charleston, SC, USA
| | - Amanda C LaRue
- Research Services, Ralph H. Johnson VA Medical Center, Charleston, SC, USA.,Department of Pathology and Laboratory Medicine, Medical University of South Carolina, Charleston, SC, USA
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Stach R, Barone T, Cauda E, Krebs P, Pejcic B, Daboss S, Mizaikoff B. Direct infrared spectroscopy for the size-independent identification and quantification of respirable particles relative mass in mine dusts. Anal Bioanal Chem 2020; 412:3499-3508. [PMID: 32285183 PMCID: PMC7214391 DOI: 10.1007/s00216-020-02565-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2019] [Revised: 02/16/2020] [Accepted: 03/02/2020] [Indexed: 12/18/2022]
Abstract
Due to the global need for energy and resources, many workers are involved in underground and surface mining operations where they can be exposed to potentially hazardous crystalline dust particles. Besides commonly known alpha quartz, a variety of other materials may be inhaled when a worker is exposed to airborne dust. To date, the challenge of rapid in-field monitoring, identification, differentiation, and quantification of those particles has not been solved satisfactorily, in part because conventional analytical techniques require laboratory environments, complex method handling, and tedious sample preparation procedures and are in part limited by the effects of particle size. Using a set of the three most abundant minerals in limestone mine dust (i.e., calcite, dolomite, and quartz) and real-world dust samples, we demonstrate that Fourier transform infrared (FTIR) spectroscopy in combination with appropriate multivariate data analysis strategies provides a versatile tool for the identification and quantification of the mineral composition in relative complex matrices. An innovative analytical method with the potential of in-field application for quantifying the relative mass of crystalline particles in mine dust has been developed using transmission and diffuse reflection infrared Fourier transform spectroscopy (DRIFTS) within a unified multivariate model. This proof-of-principle study shows how direct on-site quantification of crystalline particles in ambient air may be accomplished based on a direct-on-filter measurement, after mine dust particles are collected directly onto PVC filters by the worker using body-mounted devices. Without any further sample preparation, these loaded filters may be analyzed via transmission infrared (IR) spectroscopy and/or DRIFTS, and the mineral content is immediately quantified via a partial least squares regression (PLSR) algorithm that enables the combining of the spectral data of both methods into a single robust model. Furthermore, it was also demonstrated that the size regime of dust particles may be classified into groups of hazardous and less hazardous size regimes. Thus, this technique may provide additional essential information for controlling air quality in surface and underground mining operations. Graphical Abstract ![]()
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Affiliation(s)
- Robert Stach
- Institute of Analytical and Bioanalytical Chemistry, Ulm University, Albert-Einstein-Allee 11, 89081, Ulm, Germany
| | - Teresa Barone
- Pittsburgh Mining Research Division, Centers for Disease Control and Prevention (CDC), National Institute for Occupational Safety and Health, Pittsburgh, PA, 15236, USA
| | - Emanuele Cauda
- Pittsburgh Mining Research Division, Centers for Disease Control and Prevention (CDC), National Institute for Occupational Safety and Health, Pittsburgh, PA, 15236, USA
| | - Patrick Krebs
- Institute of Analytical and Bioanalytical Chemistry, Ulm University, Albert-Einstein-Allee 11, 89081, Ulm, Germany
| | - Bobby Pejcic
- CSIRO Energy Flagship, 26 Dick Perry Ave, Kensington, WA, 6151, Australia
| | - Sven Daboss
- Institute of Analytical and Bioanalytical Chemistry, Ulm University, Albert-Einstein-Allee 11, 89081, Ulm, Germany
| | - Boris Mizaikoff
- Institute of Analytical and Bioanalytical Chemistry, Ulm University, Albert-Einstein-Allee 11, 89081, Ulm, Germany.
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Sun B, Shi Y, Li Y, Jiang J, Liang S, Duan J, Sun Z. Short-term PM 2.5 exposure induces sustained pulmonary fibrosis development during post-exposure period in rats. JOURNAL OF HAZARDOUS MATERIALS 2020; 385:121566. [PMID: 31761645 DOI: 10.1016/j.jhazmat.2019.121566] [Citation(s) in RCA: 57] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/17/2019] [Revised: 10/21/2019] [Accepted: 10/29/2019] [Indexed: 05/05/2023]
Abstract
Up to now, while some toxicological studies have identified pulmonary fibrosis immediately induced by long-term PM2.5 exposure, there has been no evidence indicating, whether short-term exposure can lead to post-exposure development of pulmonary fibrosis. Here, we treated rats with PM2.5 for 1 month (10 times), followed by normal feeding for 18 months. 18F-FDG intake, which is linked with the initiation and development of pulmonary fibrosis in living bodies, was found to gradually increase in lung following exposure through micro PET/CT imaging. Histolopathological examination revealed continuous deterioration of pulmonary injury post-exposure. Collagen deposition and hydroxyproline content continued to increase all along in the post-exposure duration, indicating pulmonary fibrosis development. Chronic and persistent induction of pulmonary inflammatory gene expression (Tnf, Il1b, Il6, Ccl2, and Icam1), epithelial mesenchymal transition (EMT, reduction of E-cadherin and elevation of fibronectin) and RelA/p65 upregulation, as well as serum inflammatory cytokine production, were also found in PM2.5-treated rats. Pulmonary oxidative stress, manifested by increase of MDA and decrease of GSH and SOD, was induced during exposure but disappeared in later post-exposure duration. These results suggested that short-term PM2.5 exposure could lead to sustained post-exposure pulmonary fibrosis development, which was mediated by oxidative-stress-initiated NF-κB/inflammation/EMT pathway.
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Affiliation(s)
- 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
| | - 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
| | - 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
| | - Jinjin Jiang
- 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
| | - Shuang Liang
- 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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