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Jensen ACØ, Ebbehøj NE, Huusom AJ, Jensen KA, Vogel UB, Sørli JB. The Underlying Mechanism of Poisoning after the Accidental Inhalation of Aerosolised Waterproofing Spray. J Xenobiot 2024; 14:679-689. [PMID: 38921648 PMCID: PMC11204789 DOI: 10.3390/jox14020039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2024] [Revised: 05/01/2024] [Accepted: 05/23/2024] [Indexed: 06/27/2024] Open
Abstract
Waterproofing sprays can cause acute respiratory symptoms after inhalation, including coughing and dyspnoea shortly after use. Here, we describe two cases where persons used the same brand of waterproofing spray product. In both cases the persons followed the instructions on the product and maximized the ventilation by opening windows and doors; however, they still became affected during the application of the product. Products with the same batch number as that used in one case were tested for their effect on respiration patterns of mice in whole-body plethysmographs and lung surfactant function inhibition in vitro. The product was used in spraying experiments to determine the particle size distribution of the aerosol, both using a can from one case and a can with an identical batch number. In addition, the aerosols in the mouse exposure chamber were measured. Aerosol data from a small-scale exposure chamber and data on the physical and temporal dimensions of the spraying during one case were used to estimate the deposited dose during the spraying events. All collected data point to the spraying of the waterproofing product being the reason that two people became ill, and that the inhibition of lung surfactant function was a key component of this illness.
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Affiliation(s)
- Alexander C. Ø. Jensen
- The National Research Centre for the Working Environment, 2100 Copenhagen, Denmark (K.A.J.); (U.B.V.)
| | - Niels E. Ebbehøj
- Department of Occupational Health and Social Medicine, Holbæk Hospital, 4300 Holbæk, Denmark;
| | - Anja J. Huusom
- Department of Occupational and Environmental Medicine, Copenhagen University Hospital, Bispebjerg and Frederiksberg, 2400 Copenhagen, Denmark;
| | - Keld A. Jensen
- The National Research Centre for the Working Environment, 2100 Copenhagen, Denmark (K.A.J.); (U.B.V.)
| | - Ulla B. Vogel
- The National Research Centre for the Working Environment, 2100 Copenhagen, Denmark (K.A.J.); (U.B.V.)
| | - Jorid B. Sørli
- The National Research Centre for the Working Environment, 2100 Copenhagen, Denmark (K.A.J.); (U.B.V.)
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2
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Sørli JB, Hougaard KS, Hadrup N. Plethysmograph training: A refinement for collection of respiration data in mice. Animal Model Exp Med 2023; 6:369-374. [PMID: 37602738 PMCID: PMC10486321 DOI: 10.1002/ame2.12344] [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: 04/19/2023] [Accepted: 07/12/2023] [Indexed: 08/22/2023] Open
Abstract
Inhaled chemicals can harm the airways. Different effects can result in distinct changes in respiratory patterns; the type of change indicates where and how the respiratory system is affected. Furthermore, changes in respiratory patterns may be detected at much lower substance concentrations than those that cause more serious effects, such as histopathological changes. Changes in respiratory patterns can be studied experimentally by monitoring the breathing of mice placed in plethysmographs and exposing head-out to the test substance. The method is well established; however, it is not known if training mice in being restrained in the plethysmograph could increase the quality of data collection. Here we report the results of training mice to be restrained in plethysmographs for 5 consecutive days, with respect to body weight, respiratory parameters, and time spent in the plethysmograph, before they are removed because of unstable breathing patterns. The mice tolerated the procedure better (measured by time in the plethysmograph) on the second day of training than the first day. Training did not change the breathing parameters between days. Breathing parameters stabilized within 5 min after the mice were placed in the plethysmographs on all days. There was an average of 3% weight loss between the first and last days of the training, indicating that the training procedure placed some strain on the animals. Training reduces the number of mice attempting to escape from the plethysmograph.
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Affiliation(s)
- Jorid B. Sørli
- Chemical Work EnvironmentThe National Research Centre for the Working EnvironmentCopenhagenDenmark
| | - Karin S. Hougaard
- Chemical Work EnvironmentThe National Research Centre for the Working EnvironmentCopenhagenDenmark
- Department of Public HealthUniversity of CopenhagenCopenhagenDenmark
| | - Niels Hadrup
- Chemical Work EnvironmentThe National Research Centre for the Working EnvironmentCopenhagenDenmark
- Research Group for Risk‐Benefit, National Food InstituteTechnical University of DenmarkLyngbyDenmark
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Sørli JB, Jensen ACØ, Mortensen A, Szarek J, Gutierrez CAT, Givelet L, Loeschner K, Loizides C, Hafez I, Biskos G, Vogel U, Hadrup N. Pulmonary toxicity of molybdenum disulphide after inhalation in mice. Toxicology 2023; 485:153428. [PMID: 36641057 DOI: 10.1016/j.tox.2023.153428] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Revised: 01/03/2023] [Accepted: 01/10/2023] [Indexed: 01/13/2023]
Abstract
Molybdenum disulphide (MoS2) is a constituent of many products. To protect humans, it is important to know at what air concentrations it becomes toxic. For this, we tested MoS2 particles by nose-only inhalation in mice. Exposures were set to 13, 50 and 150 mg MoS2/m3 (=8, 30 and 90 mg Mo/m3), corresponding to Low, Mid and High exposure. The duration was 30 min/day, 5 days/week for 3 weeks. Molybdenum lung-deposition levels were estimated based on aerosol particle size distribution measurements, and empirically determined with inductively coupled plasma-mass spectrometry (ICP-MS). Toxicological endpoints were body weight gain, respiratory function, pulmonary inflammation, histopathology, and genotoxicity (comet assay). Acellular reactive oxygen species (ROS) production was also determined. The aerosolised MoS2 powder had a mean aerodynamic diameter of 800 nm, and a specific surface area of 8.96 m2/g. Alveolar deposition of MoS2 in lung was estimated at 7, 27 and 79 µg/mouse and measured as 35, 101 and 171 µg/mouse for Low, Mid and High exposure, respectively. Body weight gain was lower than in controls at Mid and High exposure. The tidal volume was decreased with Low and Mid exposure on day 15. Increased genotoxicity was seen in bronchoalveolar lavage (BAL) fluid cells at Mid and High exposures. ROS production was substantially lower than for carbon black nanoparticles used as bench-mark, when normalised by mass. Yet if ROS of MoS2 was normalised by surface area, it was similar to that of carbon black, suggesting that a ROS contribution to the observed genotoxicity cannot be ruled out. In conclusion, effects on body weight gain and genotoxicity indicated that Low exposure (13 mg MoS2/m3, corresponding to 0.8 mg/m3 for an 8-hour working day) was a No Observed Adverse Effect Concentration (NOAEC,) while effects on respiratory function suggested this level as a Lowest Observed Adverse Effect Concentration (LOAEC).
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Affiliation(s)
- Jorid B Sørli
- National Research Centre for the Working Environment (NFA), 105 Lersø Parkallé, Copenhagen Ø, Denmark.
| | - Alexander C Ø Jensen
- National Research Centre for the Working Environment (NFA), 105 Lersø Parkallé, Copenhagen Ø, Denmark.
| | - Alicja Mortensen
- National Research Centre for the Working Environment (NFA), 105 Lersø Parkallé, Copenhagen Ø, Denmark.
| | - Józef Szarek
- Department of Pathophysiology, Forensic Veterinary Medicine and Administration, University of Warmia and Mazury in Olsztyn, Olsztyn, Poland.
| | - Claudia A T Gutierrez
- National Research Centre for the Working Environment (NFA), 105 Lersø Parkallé, Copenhagen Ø, Denmark; Department of Public Health, University of Copenhagen, Copenhagen, Denmark.
| | - Lucas Givelet
- Research Group for Analytical Food Chemistry, National Food Institute, Technical University of Denmark, DK-2800 Kgs, Lyngby, Denmark.
| | - Katrin Loeschner
- Research Group for Analytical Food Chemistry, National Food Institute, Technical University of Denmark, DK-2800 Kgs, Lyngby, Denmark.
| | - Charis Loizides
- Climate and Atmosphere Research Centre, The Cyprus Institute, Nicosia 2121, Cyprus.
| | - Iosif Hafez
- Climate and Atmosphere Research Centre, The Cyprus Institute, Nicosia 2121, Cyprus.
| | - George Biskos
- Climate and Atmosphere Research Centre, The Cyprus Institute, Nicosia 2121, Cyprus; Faculty of Civil Engineering and Geosciences, Delft University of Technology, 2628 CN Delft, the Netherlands.
| | - Ulla Vogel
- National Research Centre for the Working Environment (NFA), 105 Lersø Parkallé, Copenhagen Ø, Denmark; DTU Food, Technical University of Denmark, Kgs. Lyngby, Denmark.
| | - Niels Hadrup
- National Research Centre for the Working Environment (NFA), 105 Lersø Parkallé, Copenhagen Ø, Denmark; Research group for Risk-Benefit, National Food Institute, Technical University of Denmark, Denmark.
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Api AM, Belsito D, Botelho D, Bruze M, Burton GA, Buschmann J, Cancellieri MA, Dagli ML, Date M, Dekant W, Deodhar C, Fryer AD, Jones L, Joshi K, Kumar M, Lapczynski A, Lavelle M, Lee I, Liebler DC, Moustakas H, Na M, Penning TM, Ritacco G, Romine J, Sadekar N, Schultz TW, Selechnik D, Siddiqi F, Sipes IG, Sullivan G, Thakkar Y, Tokura Y. RIFM fragrance ingredient safety assessment, α-pinene, CAS Registry Number 80-56-8. Food Chem Toxicol 2022; 159 Suppl 1:112702. [PMID: 34838673 DOI: 10.1016/j.fct.2021.112702] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Revised: 10/28/2021] [Accepted: 11/23/2021] [Indexed: 12/01/2022]
Affiliation(s)
- A M Api
- Research Institute for Fragrance Materials, Inc, 50 Tice Boulevard, Woodcliff Lake, NJ, 07677, USA
| | - D Belsito
- Columbia University Medical Center, Department of Dermatology, 161 Fort Washington Ave, New York, NY, 10032, USA
| | - D Botelho
- Research Institute for Fragrance Materials, Inc, 50 Tice Boulevard, Woodcliff Lake, NJ, 07677, USA
| | - M Bruze
- Malmo University Hospital, Department of Occupational & Environmental Dermatology, Sodra Forstadsgatan 101, Entrance 47, Malmo, SE-20502, Sweden
| | - G A Burton
- School of Natural Resources & Environment, University of Michigan, Dana Building G110, 440 Church St, Ann Arbor, MI, 58109, USA
| | - J Buschmann
- Fraunhofer Institute for Toxicology and Experimental Medicine, Nikolai-Fuchs-Strasse 1, 30625, Hannover, Germany
| | - M A Cancellieri
- Research Institute for Fragrance Materials, Inc, 50 Tice Boulevard, Woodcliff Lake, NJ, 07677, USA
| | - M L Dagli
- University of Sao Paulo, School of Veterinary Medicine and Animal Science, Department of Pathology, Av. Prof. dr. Orlando Marques de Paiva, 87, Sao Paulo, CEP 05508-900, Brazil
| | - M Date
- Research Institute for Fragrance Materials, Inc, 50 Tice Boulevard, Woodcliff Lake, NJ, 07677, USA
| | - W Dekant
- University of Wuerzburg, Department of Toxicology, Versbacher Str. 9, 97078, Würzburg, Germany
| | - C Deodhar
- Research Institute for Fragrance Materials, Inc, 50 Tice Boulevard, Woodcliff Lake, NJ, 07677, USA
| | - A D Fryer
- Oregon Health & Science University, 3181 SW Sam Jackson Park Rd, Portland, OR, 97239, USA
| | - L Jones
- Research Institute for Fragrance Materials, Inc, 50 Tice Boulevard, Woodcliff Lake, NJ, 07677, USA
| | - K Joshi
- Research Institute for Fragrance Materials, Inc, 50 Tice Boulevard, Woodcliff Lake, NJ, 07677, USA
| | - M Kumar
- Research Institute for Fragrance Materials, Inc, 50 Tice Boulevard, Woodcliff Lake, NJ, 07677, USA
| | - A Lapczynski
- Research Institute for Fragrance Materials, Inc, 50 Tice Boulevard, Woodcliff Lake, NJ, 07677, USA
| | - M Lavelle
- Research Institute for Fragrance Materials, Inc, 50 Tice Boulevard, Woodcliff Lake, NJ, 07677, USA
| | - I Lee
- Research Institute for Fragrance Materials, Inc, 50 Tice Boulevard, Woodcliff Lake, NJ, 07677, USA
| | - D C Liebler
- Vanderbilt University School of Medicine, Department of Biochemistry, Center in Molecular Toxicology, 638 Robinson Research Building, 2200 Pierce Avenue, Nashville, TN, 37232-0146, USA
| | - H Moustakas
- Research Institute for Fragrance Materials, Inc, 50 Tice Boulevard, Woodcliff Lake, NJ, 07677, USA
| | - M Na
- Research Institute for Fragrance Materials, Inc, 50 Tice Boulevard, Woodcliff Lake, NJ, 07677, USA
| | - T M Penning
- University of Pennsylvania, Perelman School of Medicine, Center of Excellence in Environmental Toxicology, 1316 Biomedical Research Building (BRB) II/III, 421 Curie Boulevard, Philadelphia, PA, 19104-3083, USA
| | - G Ritacco
- Research Institute for Fragrance Materials, Inc, 50 Tice Boulevard, Woodcliff Lake, NJ, 07677, USA
| | - J Romine
- Research Institute for Fragrance Materials, Inc, 50 Tice Boulevard, Woodcliff Lake, NJ, 07677, USA
| | - N Sadekar
- Research Institute for Fragrance Materials, Inc, 50 Tice Boulevard, Woodcliff Lake, NJ, 07677, USA
| | - T W Schultz
- The University of Tennessee, College of Veterinary Medicine, Department of Comparative Medicine, 2407 River Dr, Knoxville, TN, 37996- 4500, USA
| | - D Selechnik
- Research Institute for Fragrance Materials, Inc, 50 Tice Boulevard, Woodcliff Lake, NJ, 07677, USA
| | - F Siddiqi
- Research Institute for Fragrance Materials, Inc, 50 Tice Boulevard, Woodcliff Lake, NJ, 07677, USA
| | - I G Sipes
- Department of Pharmacology, University of Arizona, College of Medicine, 1501 North Campbell Avenue, P.O. Box 245050, Tucson, AZ, 85724-5050, USA
| | - G Sullivan
- Research Institute for Fragrance Materials, Inc, 50 Tice Boulevard, Woodcliff Lake, NJ, 07677, USA.
| | - Y Thakkar
- Research Institute for Fragrance Materials, Inc, 50 Tice Boulevard, Woodcliff Lake, NJ, 07677, USA
| | - Y Tokura
- The Journal of Dermatological Science (JDS), Editor-in-Chief, Professor and Chairman, Department of Dermatology, Hamamatsu University School of Medicine, 1-20-1 Handayama, Higashi-ku, Hamamatsu, 431-3192, Japan
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5
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Junge KM, Buchenauer L, Elter E, Butter K, Kohajda T, Herberth G, Röder S, Borte M, Kiess W, von Bergen M, Simon JC, Rolle-Kampczyk UE, Lehmann I, Gminski R, Ohlmeyer M, Polte T. Wood emissions and asthma development: Results from an experimental mouse model and a prospective cohort study. ENVIRONMENT INTERNATIONAL 2021; 151:106449. [PMID: 33611105 DOI: 10.1016/j.envint.2021.106449] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/02/2020] [Revised: 12/22/2020] [Accepted: 02/03/2021] [Indexed: 06/12/2023]
Abstract
BACKGROUND Increased use of renewable resources like sustainably produced wood in construction or for all sorts of long-lived products is considered to contribute to reducing society's carbon footprint. However, as a natural, biological material, wood and wood products emit specific volatile organic compounds (VOCs). Therefore, the evaluation of possible health effects due to wood emissions is of major interest. OBJECTIVES We investigated the effects of an exposure to multiple wood-related VOCs on asthma development. METHODS A murine asthma model was used to evaluate possible allergic and inflammatory effects on the lung after short- or long-term and perinatal exposure to pinewood or oriented strand board (OSB). In addition, wood-related VOCs were measured within the German prospective mother-child cohort LINA and their joint effect on early wheezing or asthma development in children until the age of 10 was estimated by Bayesian kernel machine regression (BKMR) stratifying also for family history of atopy (FHA). RESULTS Our experimental data show that neither pinewood nor OSB emissions even at high total VOC levels and a long-lasting exposure period induce significant inflammatory or asthma-promoting effects in sensitized or non-sensitized mice. Moreover, an exposure during the vulnerable time window around birth was also without effect. Consistently, in our mother-child cohort LINA, an exposure to multiple wood-related VOCs during pregnancy or the first year of life was not associated with early wheezing or asthma development in children independent from their FHA. CONCLUSION Our findings indicate that emissions from wood and wood products at levels commonly occurring in the living environment do not exert adverse effects concerning wheezing or asthma development.
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Affiliation(s)
- Kristin M Junge
- UFZ - Helmholtz Centre for Environmental Research Leipzig-Halle, Department of Environmental Immunology, Leipzig, Germany
| | - Lisa Buchenauer
- UFZ - Helmholtz Centre for Environmental Research Leipzig-Halle, Department of Environmental Immunology, Leipzig, Germany; Department of Dermatology, Venerology and Allergology, Leipzig University Medical Center, University of Leipzig, Leipzig, Germany
| | - Elena Elter
- UFZ - Helmholtz Centre for Environmental Research Leipzig-Halle, Department of Environmental Immunology, Leipzig, Germany; Department of Dermatology, Venerology and Allergology, Leipzig University Medical Center, University of Leipzig, Leipzig, Germany
| | - Katja Butter
- Thünen Institute of Wood Research, Hamburg, Germany
| | - Tibor Kohajda
- UFZ - Helmholtz Centre for Environmental Research Leipzig-Halle, Department of Molecular Systems Biology, Leipzig, Germany
| | - Gunda Herberth
- UFZ - Helmholtz Centre for Environmental Research Leipzig-Halle, Department of Environmental Immunology, Leipzig, Germany
| | - Stefan Röder
- UFZ - Helmholtz Centre for Environmental Research Leipzig-Halle, Department of Environmental Immunology, Leipzig, Germany
| | - Michael Borte
- Children's Hospital, Municipal Hospital "St. Georg", Leipzig, Germany
| | - Wieland Kiess
- University of Leipzig, Hospital for Children and Adolescents - Centre for Pediatric Research, Leipzig, Germany; University of Leipzig, LIFE - Leipzig Research Centre for Civilization Diseases, Leipzig, Germany
| | - Martin von Bergen
- UFZ - Helmholtz Centre for Environmental Research Leipzig-Halle, Department of Molecular Systems Biology, Leipzig, Germany; University of Leipzig, Faculty of Life Sciences, Institute of Biochemistry, Leipzig, Germany
| | - Jan C Simon
- Department of Dermatology, Venerology and Allergology, Leipzig University Medical Center, University of Leipzig, Leipzig, Germany
| | - Ulrike E Rolle-Kampczyk
- UFZ - Helmholtz Centre for Environmental Research Leipzig-Halle, Department of Molecular Systems Biology, Leipzig, Germany
| | - Irina Lehmann
- Charité - Universitätsmedizin Berlin, Environmental Epigenetics and Lung Research Group, Berlin, Germany; Berlin Institute of Health (BIH), Molecular Epidemiology, Berlin, Germany
| | - Richard Gminski
- Institute for Infection Prevention and Hospital Epidemiology, Environmental Medicine, Faculty of Medicine and Medical Center, University of Freiburg, Freiburg, Germany
| | | | - Tobias Polte
- UFZ - Helmholtz Centre for Environmental Research Leipzig-Halle, Department of Environmental Immunology, Leipzig, Germany; Department of Dermatology, Venerology and Allergology, Leipzig University Medical Center, University of Leipzig, Leipzig, Germany.
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6
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Da Silva E, Hickey C, Ellis G, Hougaard K, Sørli J. In vitro prediction of clinical signs of respiratory toxicity in rats following inhalation exposure. Curr Res Toxicol 2021; 2:204-209. [PMID: 34345862 PMCID: PMC8320621 DOI: 10.1016/j.crtox.2021.05.002] [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: 12/14/2020] [Revised: 04/26/2021] [Accepted: 05/12/2021] [Indexed: 11/30/2022] Open
Abstract
To date there are no OECD validated alternative approaches to study toxicity following inhalation exposure to airborne chemicals. The available OECD test guidelines for acute inhalation toxicity aim to estimate a value of the lethal air concentration of the test chemical leading to the death of 50% of the exposed animals (LC50), to satisfy hazard classification and labelling requirements. This paper explores the view that alternative approaches must compare to outcomes of existing guideline methods to become accepted and implemented in a regulatory context. This case study describes the initiatives taken to validate the lung surfactant bioassay, an in vitro cell-free method, and discusses the challenges faced. While the lung surfactant bioassay could not predict the GHS classification for acute inhalation toxicity of 26 chemicals, the assay successfully predicted the clinical signs of respiratory toxicity observed during or shortly after exposure in vivo as reported in registration dossiers. The lung surfactant bioassay is a promising alternative approach to assess the potential of chemicals to cause changes to respiration remaining after exposure (indicating decreased lung function), and can be combined with other test methods in an integrated approach to testing and assessment of inhaled substances.
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Affiliation(s)
- E. Da Silva
- Technical University of Denmark, Kgs. Lyngby, Denmark
- National Research Centre for the Working Environment, Copenhagen, Denmark
| | - C. Hickey
- Firmenich Incorporated, United States
| | | | - K.S. Hougaard
- National Research Centre for the Working Environment, Copenhagen, Denmark
- University of Copenhagen, Copenhagen, Denmark
| | - J.B. Sørli
- National Research Centre for the Working Environment, Copenhagen, Denmark
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7
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Salehi B, Upadhyay S, Erdogan Orhan I, Kumar Jugran A, L.D. Jayaweera S, A. Dias D, Sharopov F, Taheri Y, Martins N, Baghalpour N, C. Cho W, Sharifi-Rad J. Therapeutic Potential of α- and β-Pinene: A Miracle Gift of Nature. Biomolecules 2019; 9:E738. [PMID: 31739596 PMCID: PMC6920849 DOI: 10.3390/biom9110738] [Citation(s) in RCA: 218] [Impact Index Per Article: 43.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2019] [Revised: 11/06/2019] [Accepted: 11/08/2019] [Indexed: 02/07/2023] Open
Abstract
α- and β-pinene are well-known representatives of the monoterpenes group, and are found in many plants' essential oils. A wide range of pharmacological activities have been reported, including antibiotic resistance modulation, anticoagulant, antitumor, antimicrobial, antimalarial, antioxidant, anti-inflammatory, anti-Leishmania, and analgesic effects. This article aims to summarize the most prominent effects of α- and β-pinene, namely their cytogenetic, gastroprotective, anxiolytic, cytoprotective, anticonvulsant, and neuroprotective effects, as well as their effects against H2O2-stimulated oxidative stress, pancreatitis, stress-stimulated hyperthermia, and pulpal pain. Finally, we will also discuss the bioavailability, administration, as well as their biological activity and clinical applications.
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Affiliation(s)
- Bahare Salehi
- Student Research Committee, School of Medicine, Bam University of Medical Sciences, Bam 44340847, Iran;
| | - Shashi Upadhyay
- G. B. Pant National Institute of Himalayan Environment and Sustainable Development, Kosi-Katarmal, Almora-263643, Uttarakhand, India;
| | - Ilkay Erdogan Orhan
- Department of Pharmacognosy, Faculty of Pharmacy, Gazi University, 06330 Ankara, Turkey
| | - Arun Kumar Jugran
- G. B. Pant National Institute of Himalayan Environment and Sustainable Development, Garhwal Regional Centre, Srinagar-246174, Uttarakhand, India
| | - Sumali L.D. Jayaweera
- School of Health and Biomedical Sciences, Discipline of Laboratory Medicine, RMIT University, P.O. Box 71, Bundoora, VIC 3083, Australia (D.A.D.)
| | - Daniel A. Dias
- School of Health and Biomedical Sciences, Discipline of Laboratory Medicine, RMIT University, P.O. Box 71, Bundoora, VIC 3083, Australia (D.A.D.)
| | - Farukh Sharopov
- Department of Pharmaceutical Technology, Avicenna Tajik State Medical University, Rudaki 139, 734003 Dushanbe, Tajikistan;
| | - Yasaman Taheri
- Phytochemistry Research Center, Shahid Beheshti University of Medical Sciences, Tehran 1991953381, Iran; (Y.T.); (N.B.)
| | - Natália Martins
- Faculty of Medicine, University of Porto, Alameda Prof. Hernâni Monteiro, 4200-319 Porto, Portugal;
- Institute for Research and Innovation in Health (i3S), University of Porto, 4200-135 Porto, Portugal
| | - Navid Baghalpour
- Phytochemistry Research Center, Shahid Beheshti University of Medical Sciences, Tehran 1991953381, Iran; (Y.T.); (N.B.)
| | - William C. Cho
- Department of Clinical Oncology, Queen Elizabeth Hospital, 30 Gascoigne Road, Hong Kong, China
| | - Javad Sharifi-Rad
- Zabol Medicinal Plants Research Center, Zabol University of Medical Sciences, Zabol 61615-585, Iran
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8
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Sørli JB, Balogh Sivars K, Da Silva E, Hougaard KS, Koponen IK, Zuo YY, Weydahl IE, Åberg PM, Fransson R. Bile salt enhancers for inhalation: Correlation between in vitro and in vivo lung effects. Int J Pharm 2018; 550:114-122. [DOI: 10.1016/j.ijpharm.2018.08.031] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2018] [Revised: 08/10/2018] [Accepted: 08/14/2018] [Indexed: 12/20/2022]
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9
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Sumitomo K, Akutsu H, Fukuyama S, Minoshima A, Kukita S, Yamamura Y, Sato Y, Hayasaka T, Osanai S, Funakoshi H, Hasebe N, Nakamura M. Conifer-Derived Monoterpenes and Forest Walking. ACTA ACUST UNITED AC 2015; 4:A0042. [PMID: 26819913 DOI: 10.5702/massspectrometry.a0042] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2015] [Accepted: 09/03/2015] [Indexed: 11/23/2022]
Abstract
Conifer and broadleaf trees emit volatile organic compounds in the summer. The major components of these emissions are volatile monoterpenes. Using solid phase microextraction fiber as the adsorbant, monoterpenes were successfully detected and identified in forest air samples. Gas chromatography/mass chromatogram of monoterpenes in the atmosphere of a conifer forest and that of serum from subjects who were walking in a forest were found to be similar each other. The amounts of α-pinene in the subjects became several folds higher after forest walking. The results indicate that monoterpenes in the atmosphere of conifer forests are transferred to and accumulate in subjects by inhalation while they are exposed to this type of environment.
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Affiliation(s)
- Kazuhiro Sumitomo
- Cardiovascular Respiratory Frontier of Medical Renovation, Asahikawa Medical University
| | - Hiroaki Akutsu
- Center for Advanced Research and Education, Asahikawa Medical University
| | - Syusei Fukuyama
- Cardiovascular Respiratory Frontier of Medical Renovation, Asahikawa Medical University
| | - Akiho Minoshima
- Cardiovascular Respiratory Frontier of Medical Renovation, Asahikawa Medical University
| | - Shin Kukita
- Cardiovascular Respiratory Frontier of Medical Renovation, Asahikawa Medical University
| | - Yuji Yamamura
- Cardiovascular Respiratory Frontier of Medical Renovation, Asahikawa Medical University
| | - Yoshiaki Sato
- Cardiovascular Respiratory Frontier of Medical Renovation, Asahikawa Medical University
| | - Taiki Hayasaka
- Cardiovascular Respiratory Frontier of Medical Renovation, Asahikawa Medical University
| | - Shinobu Osanai
- Cardiovascular Respiratory Frontier of Medical Renovation, Asahikawa Medical University
| | - Hiroshi Funakoshi
- Center for Advanced Research and Education, Asahikawa Medical University
| | | | - Masao Nakamura
- Cardiovascular Respiratory Frontier of Medical Renovation, Asahikawa Medical University
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10
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Bigliani MC, Rossetti V, Grondona E, Lo Presti S, Paglini PM, Rivero V, Zunino MP, Ponce AA. Chemical compositions and properties of Schinus areira L. essential oil on airway inflammation and cardiovascular system of mice and rabbits. Food Chem Toxicol 2012; 50:2282-8. [PMID: 22546367 DOI: 10.1016/j.fct.2012.04.025] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2011] [Revised: 04/12/2012] [Accepted: 04/15/2012] [Indexed: 11/19/2022]
Abstract
The main purpose was to investigate the effects of essential plant-oil of Schinus areira L. on hemodynamic functions in rabbits, as well as myocardial contractile strength and airways inflammation associated to bacterial endotoxin lipopolysaccharide (LPS) in mice. This study shows the important properties of the essential oil (EO) of S. areira studied and these actions on lung with significant inhibition associated to LPS, all of which was assessed in mice bronchoalveolar lavage fluid and evidenced by stability of the percentage of alveolar macrophages, infiltration of polymorphonuclear leukocytes and tumor necrosis factor-α concentration, and without pathway modifications in conjugated dienes activity. Clinical status (morbidity or mortality), macroscopic morphology and lung/body weight index were unaffected by the administration of the EO S. areira. Furthermore, the ex vivo analysis of isolated hearts demonstrated the negative inotropic action of the EO of S. areira in a mice model, and in rabbits changes in the hemodynamic parameters, such as a reduction of systolic blood pressure. We conclude that EO S. areira could be responsible for modifications on the cardiovascular and/or airway parameters.
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Affiliation(s)
- María C Bigliani
- Cátedra de Fisiología Humana, Facultad de Ciencias Médicas, Universidad Nacional de Córdoba, Santa Rosa, Córdoba, Argentina
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11
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Larsen ST, Verder H, Nielsen GD. Airway Effects of Inhaled Quaternary Ammonium Compounds in Mice. Basic Clin Pharmacol Toxicol 2012; 110:537-43. [DOI: 10.1111/j.1742-7843.2011.00851.x] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2011] [Accepted: 12/06/2011] [Indexed: 02/06/2023]
Affiliation(s)
- Søren T. Larsen
- National Research Centre for the Working Environment; Copenhagen; Denmark
| | - Henrik Verder
- Department of Pediatrics; Holbaek University Hospital; University of Copenhagen; Holbaek; Denmark
| | - Gunnar D. Nielsen
- National Research Centre for the Working Environment; Copenhagen; Denmark
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12
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Kusuhara M, Urakami K, Masuda Y, Zangiacomi V, Ishii H, Tai S, Maruyama K, Yamaguchi K. Fragrant environment with α-pinene decreases tumor growth in mice. Biomed Res 2012; 33:57-61. [DOI: 10.2220/biomedres.33.57] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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13
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Springs M, Wells JR, Morrison GC. Reaction rates of ozone and terpenes adsorbed to model indoor surfaces. INDOOR AIR 2011; 21:319-327. [PMID: 21204992 DOI: 10.1111/j.1600-0668.2010.00707.x] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
UNLABELLED Reaction rates and reaction probabilities have been quantified on model indoor surfaces for the reaction of ozone with two monoterpenes (Δ(3) -carene and d-limonene). Molar surface loadings were obtained by performing breakthrough experiments in a plug-flow reactor (PFR) packed with beads of glass, polyvinylchloride or zirconium silicate. Reaction rates and probabilities were determined by equilibrating the PFR with both the terpene and the ozone and measuring the ozone consumption rate. To mimic typical indoor conditions, temperatures of 20, 25, and 30°C were used in both types of experiments along with a relative humidity ranging from 10% to 80%. The molar surface loading decreased with increased relative humidity, especially on glass, suggesting that water competed with the terpenes for adsorption sites. The ozone reactivity experiments indicate that higher surface loadings correspond with higher ozone uptake. The reaction probability for Δ(3) -carene with ozone ranged from 2.9 × 10(-6) to 3.0 × 10(-5) while reaction probabilities for d-limonene ranged from 2.8 × 10(-5) to 3.0 × 10(-4) . These surface reaction probabilities are roughly 10-100 times greater than the corresponding gas-phase values. Extrapolation of these results to typical indoor conditions suggests that surface conversion rates may be substantial relative to gas-phase rates, especially for lower volatility terpenoids. PRACTICAL IMPLICATIONS At present, it is unclear how important heterogeneous reactions will be in influencing indoor concentrations of terpenes, ozone and their reaction products. We observe that surface reaction probabilities were 10 to 100 times greater than their corresponding gas-phase values. Thus indoor surfaces do enhance effective reaction rates and adsorption of terpenes will increase ozone flux to otherwise low-reactivity surfaces. Extrapolation of these results to typical indoor conditions suggests that surface conversion rates may be substantial relative to gas-phase rates, especially for lower volatility terpenoids.
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Affiliation(s)
- M Springs
- Missouri University of Science & Technology, Rolla, MO, USA
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14
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Leppänen M, Korpi A, Miettinen M, Leskinen J, Torvela T, Rossi EM, Vanhala E, Wolff H, Alenius H, Kosma VM, Joutsensaari J, Jokiniemi J, Pasanen P. Nanosized TiO2 caused minor airflow limitation in the murine airways. Arch Toxicol 2011; 85:827-39. [DOI: 10.1007/s00204-011-0644-y] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2010] [Accepted: 01/06/2011] [Indexed: 11/28/2022]
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α-pinene triggers oxidative stress and related signaling pathways in A549 and HepG2 cells. Food Sci Biotechnol 2010. [DOI: 10.1007/s10068-010-0189-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
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The essential oil of Eucalyptus tereticornis, and its constituents α- and β-pinene, potentiate acetylcholine-induced contractions in isolated rat trachea. Fitoterapia 2010; 81:649-55. [DOI: 10.1016/j.fitote.2010.03.012] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2009] [Revised: 03/06/2010] [Accepted: 03/06/2010] [Indexed: 11/20/2022]
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Abstract
Olfaction and nasal trigeminal chemoreception together convey an impression of the physical and chemical qualities of inspired air. "Nasal pungency" refers to the nasal trigeminal impact of inhaled air pollutants as well as spicy foods and selected medicaments. Such diverse sensations as cooling, numbness, tingling, itching, burning, and stinging are all conveyed by the trigeminal system yet are successfully differentiated in psychophysical testing, with or without concomitant olfactory information. Here we briefly review the neurobiological and psychophysical evidence for qualitative specificity in the nasal trigeminal system.
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Affiliation(s)
- Dennis Shusterman
- Division of Occupational and Environmental Medicine, University of California, San Francisco, California 94143-0843, USA.
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Abstract
Microbial volatile organic compounds (MVOCs) are a variety of compounds formed in the metabolism of fungi and bacteria. Of more than 200 compounds identified as MVOCs in laboratory experiments, none can be regarded as exclusively of microbial origin or as specific for certain microbial species. Thus, the recognition of microbially contaminated areas by MVOC measurements is not successful with current methods. In this review, the basic physical and chemical properties of 96 typical MVOCs have been summarised. Of these, toxicological and exposure data were gathered for the 15 MVOCs most often analysed and reported in buildings with moisture and microbial damage. The most obvious health effect of MVOC exposure is eye and upper-airway irritation. However, in human experimental exposure studies, symptoms of irritation have appeared at MVOC concentrations several orders of magnitude higher than those measured indoors (single MVOC levels in indoor environments have ranged from a few ng/m(3) up to 1 mg/m(3)). This is also supported by dose-dependent sensory-irritation response, as determined by the American Society for Testing and Materials mouse bioassay. On the other hand, the toxicological database is poor even for the 15 examined MVOCs. There may be more potent compounds and other endpoints not yet evaluated.
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Affiliation(s)
- Anne Korpi
- University of Kuopio, Department of Environmental Science, Kuopio, Finland.
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Friedrich K, Delgado IF, Santos LMF, Paumgartten FJR. Assessment of sensitization potential of monoterpenes using the rat popliteal lymph node assay. Food Chem Toxicol 2007; 45:1516-22. [PMID: 17383062 DOI: 10.1016/j.fct.2007.02.011] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2006] [Revised: 01/26/2007] [Accepted: 02/11/2007] [Indexed: 11/26/2022]
Abstract
The popliteal lymph node assay (PLNA) has been proposed as a screening test for detecting chemicals with potential of inducing allergic and auto-immune-like reactions in humans. In the present study, we used the rat PLNA to evaluate the immuno-sensitizing potential of 10 monoterpenes found in the essential oils of a variety of aromatic, edible and medicinal plants. The primary or direct PLNA was performed with the monoterpenes, and chlorpromazine (CPZ) and barbital were used as positive and negative controls, respectively. Female, 7-8 week-old Wistar rats were injected subcutaneously (50 microL) with the test substance (0.5, 2.5 or 5mg) into the right hind footpad while the contralateral footpad was injected with the vehicle (DMSO) alone. Weight (WI) and cellularity (CI) indices for draining PLNs were determined 7 days after treatment. PLNA was positive (WI >or= 2 and CI >or= 5) for CPZ, citral, alpha-terpinene, beta-myrcene and (-)-alpha-pinene, and negative for barbital, DMSO, (-)-menthol, 1,8-cineole, (+/-) citronellal, (+)-limonene, (+/-) camphor and terpineol. A secondary PLNA, a T-cell priming test, was carried out with the four substances that had been positive in the primary assay. Six weeks after being locally primed with 5 mg/paw, rats were sc injected into the same footpad with a dose (0.5 mg/paw) of the substance that had been previously found to be insufficient to cause a positive response. WI and CI were then calculated 4 and 7 days after the second injection. CPZ was also positive in the secondary assay thereby confirming that it is a sensitizing agent. Citral, alpha-terpinene, beta-myrcene and (-)-alpha-pinene, however, were negative in the secondary assay. In summary, citral, alpha-terpinene, beta-myrcene and (-)-alpha-pinene induced a clear immuno-stimulatory response due to their irritant properties but no monoterpene proved to be a sensitizing agent in the PLNA.
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Affiliation(s)
- Karen Friedrich
- Laboratory of Environmental Toxicology, Department of Biological Sciences, National School of Public Health, Oswaldo Cruz Foundation, Rio de Janeiro, RJ 21040-360, Brazil
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Nielsen GD, Wolkoff P, Alarie Y. Sensory irritation: Risk assessment approaches. Regul Toxicol Pharmacol 2007; 48:6-18. [DOI: 10.1016/j.yrtph.2006.11.005] [Citation(s) in RCA: 82] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2006] [Indexed: 02/06/2023]
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