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Orii A, Kurohane K, Sekiguchi K, Tsutsumi M, Imai Y. Comparison of adjuvant mechanisms of medium-chain triacylglycerol in a mouse FITC-induced contact hypersensitivity model. Toxicology 2023; 488:153482. [PMID: 36870414 DOI: 10.1016/j.tox.2023.153482] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2023] [Revised: 03/01/2023] [Accepted: 03/02/2023] [Indexed: 03/06/2023]
Abstract
The number of allergy sufferers has been increasing with the increase in chemicals to which we are potentially exposed. We have discovered that tributyrin, a short-chain triacylglycerol (TAG), enhanced fluorescein isothiocyanate (FITC)-induced contact hypersensitivity in a mouse model. Medium-chain triacylglycerols (MCTs) are used in cosmetics, with which we come into direct contact frequently, to maintain skin conditions and as a thickening agent for cosmetics. In this study, we examined whether MCTs with different side chain lengths enhanced skin sensitization to FITC in the mouse model. During skin sensitization to FITC, the presence of tributyrin (side chain carbon number, 4; C4) as well as that of each MCT, tricaproin (C6), tricaprylin (C8), or tricaprin (C10), resulted in enhanced skin sensitization, whereas that of trilaurin (C12) did not. As to the mechanism underlying the enhanced sensitization, three MCTs (C6, C8 and C10) facilitated migration of FTIC-presenting CD11c+ dendritic cells to draining lymph nodes. These results indicated that not only tributyrin but also MCTs, up to side chain carbon number 10, have an adjuvant effect on FITC-induced skin hypersensitivity in mice.
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Affiliation(s)
- Akimasa Orii
- Laboratory of Microbiology and Immunology, School of Pharmaceutical Sciences, University of Shizuoka, 52-1 Yada, Suruga-ku, Shizuoka City, Shizuoka 422-8526, Japan
| | - Kohta Kurohane
- Laboratory of Microbiology and Immunology, School of Pharmaceutical Sciences, University of Shizuoka, 52-1 Yada, Suruga-ku, Shizuoka City, Shizuoka 422-8526, Japan
| | - Kota Sekiguchi
- Laboratory of Microbiology and Immunology, School of Pharmaceutical Sciences, University of Shizuoka, 52-1 Yada, Suruga-ku, Shizuoka City, Shizuoka 422-8526, Japan
| | - Masato Tsutsumi
- Laboratory of Microbiology and Immunology, School of Pharmaceutical Sciences, University of Shizuoka, 52-1 Yada, Suruga-ku, Shizuoka City, Shizuoka 422-8526, Japan
| | - Yasuyuki Imai
- Laboratory of Microbiology and Immunology, School of Pharmaceutical Sciences, University of Shizuoka, 52-1 Yada, Suruga-ku, Shizuoka City, Shizuoka 422-8526, Japan.
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Borova S, Schlutt C, Nickel J, Luxenhofer R. A Transient Initiator for Polypeptoids Postpolymerization
α
‐Functionalization via Activation of a Thioester Group. MACROMOL CHEM PHYS 2022. [DOI: 10.1002/macp.202100331] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Solomiia Borova
- Functional Polymer Materials, Chair for Advanced Materials Synthesis, Institute for Functional Materials and Biofabrication, Department of Chemistry and Pharmacy Julius‐Maximilans‐University of Würzburg Röntgenring 11 Würzburg Bavaria 97070 Germany
| | - Christine Schlutt
- Functional Polymer Materials, Chair for Advanced Materials Synthesis, Institute for Functional Materials and Biofabrication, Department of Chemistry and Pharmacy Julius‐Maximilans‐University of Würzburg Röntgenring 11 Würzburg Bavaria 97070 Germany
| | - Joachim Nickel
- Department of Tissue Engineering and Regenerative Medicine University Hospital of Würzburg Röntgenring 11 Würzburg Bavaria 97070 Germany
| | - Robert Luxenhofer
- Functional Polymer Materials, Chair for Advanced Materials Synthesis, Institute for Functional Materials and Biofabrication, Department of Chemistry and Pharmacy Julius‐Maximilans‐University of Würzburg Röntgenring 11 Würzburg Bavaria 97070 Germany
- Soft Matter Chemistry, Department of Chemistry and Helsinki Institute of Sustainability Science, Faculty of Science University of Helsinki P.O. Box 55 Helsinki 00014 Finland
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Nascimento ÍF, Guimarães ATB, Ribeiro F, Rodrigues ASDL, Estrela FN, Luz TMD, Malafaia G. Polyethylene glycol acute and sub-lethal toxicity in neotropical Physalaemus cuvieri tadpoles (Anura, Leptodactylidae). ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 283:117054. [PMID: 33848902 DOI: 10.1016/j.envpol.2021.117054] [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: 02/15/2021] [Revised: 03/25/2021] [Accepted: 03/29/2021] [Indexed: 06/12/2023]
Abstract
Although many polymers are known by their toxicity, we know nothing about the impact of polyethylene glycol (PEG) on anurofauna. Its presence in different products and disposal in aquatic environments turn assessments about its impact on amphibians an urgent matter. Accordingly, we tested the hypothesis that short-time exposure (72 h) of tadpoles belonging to the species Physalaemus cuvieri (Anura, Leptodactylidae) to PEG induces oxidative stress and neurotoxicity on them. We observed that polymer uptake in P. cuvieri occurred after exposure to 5 and 10 mg/L of PEG without inducing changes in their nitrite levels neither at the levels of substances reactive to thiobarbituric acid. However, hydrogen peroxide and reactive oxygen species production was higher in animals exposed to PEG, whose catalase and superoxide dismutase levels were not enough to counterbalance the production of these reactive species. Therefore, this finding suggests physiological changes altering REDOX homeostasis into oxidative stress. In addition, the increased activity of acetylcholinesterase and butyrylcholinesterase, and reduction in superficial neuromasts, confirmed PEG's neurotoxic potential. To the best of our knowledge, this is the first report on PEG's biological impact on a particular amphibian species. The study has broadened the understanding about ecotoxicological risks associated with water pollution by these polymers, as well as motivated further investigations on its impacts on amphibians' health and on the dynamics of their natural populations.
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Affiliation(s)
| | - Abraão Tiago Batista Guimarães
- Biological Research Laboratory, Goiano Federal Institute - Urutaí Campus, Urutaí, GO, Brazil; Post-Graduation Program in Biotechnology and Biodiversity, Federal University of Goiás, Goiânia, GO, Brazil
| | - Fabianne Ribeiro
- Department of Biology & CESAM - Center for Environmental and Marine Studies, University of Aveiro, Aveiro, Portugal
| | | | - Fernanda Neves Estrela
- Biological Research Laboratory, Goiano Federal Institute - Urutaí Campus, Urutaí, GO, Brazil; Post-Graduation Program in Biotechnology and Biodiversity, Federal University of Goiás, Goiânia, GO, Brazil
| | - Thiarlen Marinho da Luz
- Biological Research Laboratory, Goiano Federal Institute - Urutaí Campus, Urutaí, GO, Brazil
| | - Guilherme Malafaia
- Biological Research Laboratory, Goiano Federal Institute - Urutaí Campus, Urutaí, GO, Brazil; Post-Graduation Program in Biotechnology and Biodiversity, Federal University of Goiás, Goiânia, GO, Brazil; Graduate Program in Conservation of Cerrado Natural Resources, Goiano Federal Institute, Urutaí, GO, Brazil; Post-Graduation Program in Ecology and Natural Resources Conservation, Uberlândia, MG, Brazil.
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Fallone CJ, Yahya A. Effect of triglyceride glycerol CH signal on olefinic resonance quantification with proton magnetic resonance spectroscopy at 3 T. Biomed Phys Eng Express 2019. [DOI: 10.1088/2057-1976/ab05ab] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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5
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Wiercigroch E, Szafraniec E, Czamara K, Pacia MZ, Majzner K, Kochan K, Kaczor A, Baranska M, Malek K. Raman and infrared spectroscopy of carbohydrates: A review. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2017. [PMID: 28599236 DOI: 10.1002/jrs.4607] [Citation(s) in RCA: 548] [Impact Index Per Article: 78.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/06/2023]
Abstract
Carbohydrates are widespread and naturally occurring compounds, and essential constituents for living organisms. They are quite often reported when biological systems are studied and their role is discussed. However surprisingly, up till now there is no database collecting vibrational spectra of carbohydrates and their assignment, as has been done already for other biomolecules. So, this paper serves as a comprehensive review, where for selected 14 carbohydrates in the solid state both FT-Raman and ATR FT-IR spectra were collected and assigned. Carbohydrates can be divided into four chemical groups and in the same way is organized this review. First, the smallest molecules are discussed, i.e. monosaccharides (d-(-)-ribose, 2-deoxy-d-ribose, l-(-)-arabinose, d-(+)-xylose, d-(+)-glucose, d-(+)-galactose and d-(-)-fructose) and disaccharides (d-(+)-sucrose, d-(+)-maltose and d-(+)-lactose), and then more complex ones, i.e. trisaccharides (d-(+)-raffinose) and polysaccharides (amylopectin, amylose, glycogen). Both Raman and IR spectra were collected in the whole spectral range and discussed looking at the specific regions, i.e. region V (3600-3050cm-1), IV (3050-2800cm-1) and II (1200-800cm-1) assigned to the stretching vibrations of the OH, CH/CH2 and C-O/C-C groups, respectively, and region III (1500-1200cm-1) and I (800-100cm-1) dominated by deformational modes of the CH/CH2 and CCO groups, respectively. In spite of the fact that vibrational spectra of saccharides are significantly less specific than spectra of other biomolecules (e.g. lipids or proteins), marker bands of the studied molecules can be identified and correlated with their structure.
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Affiliation(s)
- Ewelina Wiercigroch
- Faculty of Chemistry, Jagiellonian University, Ingardena 3, 30-060 Krakow, Poland
| | - Ewelina Szafraniec
- Faculty of Chemistry, Jagiellonian University, Ingardena 3, 30-060 Krakow, Poland
| | - Krzysztof Czamara
- Faculty of Chemistry, Jagiellonian University, Ingardena 3, 30-060 Krakow, Poland
| | - Marta Z Pacia
- Faculty of Chemistry, Jagiellonian University, Ingardena 3, 30-060 Krakow, Poland
| | - Katarzyna Majzner
- Faculty of Chemistry, Jagiellonian University, Ingardena 3, 30-060 Krakow, Poland
| | - Kamila Kochan
- Faculty of Chemistry, Jagiellonian University, Ingardena 3, 30-060 Krakow, Poland
| | - Agnieszka Kaczor
- Faculty of Chemistry, Jagiellonian University, Ingardena 3, 30-060 Krakow, Poland
| | - Malgorzata Baranska
- Faculty of Chemistry, Jagiellonian University, Ingardena 3, 30-060 Krakow, Poland.
| | - Kamilla Malek
- Faculty of Chemistry, Jagiellonian University, Ingardena 3, 30-060 Krakow, Poland.
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What happens in the skin? Integrating skin permeation kinetics into studies of developmental and reproductive toxicity following topical exposure. Reprod Toxicol 2015; 58:252-81. [DOI: 10.1016/j.reprotox.2015.10.001] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2014] [Revised: 08/31/2015] [Accepted: 10/07/2015] [Indexed: 02/07/2023]
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7
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Anter J, Campos-Sánchez J, Hamss RE, Rojas-Molina M, Muñoz-Serrano A, Analla M, Alonso-Moraga Á. Modulation of genotoxicity by extra-virgin olive oil and some of its distinctive components assessed by use of the Drosophila wing-spot test. MUTATION RESEARCH-GENETIC TOXICOLOGY AND ENVIRONMENTAL MUTAGENESIS 2010; 703:137-42. [DOI: 10.1016/j.mrgentox.2010.08.012] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2009] [Revised: 07/26/2010] [Accepted: 08/12/2010] [Indexed: 11/30/2022]
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Knop K, Hoogenboom R, Fischer D, Schubert U. Anwendung von Poly(ethylenglycol) beim Wirkstoff-Transport: Vorteile, Nachteile und Alternativen. Angew Chem Int Ed Engl 2010. [DOI: 10.1002/ange.200902672] [Citation(s) in RCA: 111] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Knop K, Hoogenboom R, Fischer D, Schubert U. Poly(ethylene glycol) in Drug Delivery: Pros and Cons as Well as Potential Alternatives. Angew Chem Int Ed Engl 2010; 49:6288-308. [DOI: 10.1002/anie.200902672] [Citation(s) in RCA: 2515] [Impact Index Per Article: 179.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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Timour Q, Biggi-Bernard U, Descotes J. [Hormone replacement therapy: toxicity of glycol ethers]. ACTA ACUST UNITED AC 2006; 36:62-7. [PMID: 17293254 DOI: 10.1016/j.jgyn.2006.09.006] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2006] [Revised: 05/12/2006] [Accepted: 09/14/2006] [Indexed: 12/01/2022]
Abstract
Glycol ethers (GE) belong to two main series: series E, which include ethylene glycol ethers (EGE) and series P which include propylene glycol ethers (PGE). GE are widely used as solvents in a large number of industrial, household and cosmetic applications. EGE can be found in water paints, varnishes, inks, household products. Severe adverse effects have been noted with pharmaceutical formulations containing diethylene glycol monoethyl-ethers and this led to withdrawal from the French market. The toxicity of GE depends on the molecular weight and the metabolites generated. It can manifest following acute or chronic exposure by disorders of the nervous system, bone marrow, immune system, kidneys as well as fertility, reproduction and embryofetal development. Several EGE are mutagenic. The carcinogenic risk is not known. The most toxic derivatives EGME, EGMEA, EGEE and EGEEA alter male and female fertility, and induce malformations. Taking these toxic effects into consideration, what is the place of GE as absorption promoting agents? An example is DEGEE, which facilitates estradiol penetration when used as a gel in the treatment of estrogen deficiency. This review is intended to address this issue.
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Affiliation(s)
- Q Timour
- Laboratoire de Pharmacologie Médicale (EA 1896), UFR Lyon-Grange-Blanche, 8, avenue Rockefeller, 69373 Lyon cedex 08, France.
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Laube S, Davies MG, Prais L, Foulds IS. Allergic contact dermatitis from medium-chain triglycerides in a moisturizing lotion. Contact Dermatitis 2002; 47:171. [PMID: 12492556 DOI: 10.1034/j.1600-0536.2002.470308_7.x] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Affiliation(s)
- S Laube
- Birmingham Skin Centre, City Hospital, Dudley Road, Birmingham B18 7QH, UK.
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