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KMID : 1177720190130010017
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Journal of Alternatives to Animal Experiments
2019 Volume.13 No. 1 p.17 ~ p.23
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Establishment Study on Quality and Toxicity Testing of Respiratory 3D Tissue Model (SoluAirwayTM) in Korea
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Jeong Mi-Ho
Kim Seol-Yeong
Kim Jun-Woo
Bang In-Jae
Kim Ga-Eun
Kim Hye-Soo
Lee Su-Hyon
Kim Ha-Ryong
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Abstract
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The concern of health and safety is growing due to increasing exposure of inhalable chemicals. However, there is no appropriate alternative testing method for assessing the hazard caused by inhalation exposure. The aim of this study is to establish respiratory 3-dimentional (3D) tissue model which can be applied for assessing the toxicity testing in Korea. First of all, respiratory 3D tissue model, SoluAirway™ was reconstituted by using human nasal mucosa. For evaluating its stability, the viability, Trans-Epithelial Electric Resistance (TEER), and histology was analyzed after delivered to 3 areas in Korea. Then, bleomycin (BLM) and polyhexamethylene guanidine phosphate (PHMG) which were known as toxic materials in pulmonary system were treated to various 3D tissue models to demonstrate applicability in evaluating chemical toxicity. The cytotoxicity and secretion of inflammatory cytokines was acquired with MTT and ELISA, respectively. The cell viability, TEER and integrity of the 3D tissue model which quality was controlled between products, had no significantly different values after delivery. The cytotoxicity of BLM and PHMG showed dose-dependently. Furthermore, the secretion of IL-8 was shown at the highest concentration of BLM and PHMG-p in SoluAirway™, not in EpiAirway™. When applied to KeraSkin™ which was a skin model, the secretion of IL-8 was declined. Taken together, these data showed that SoluAirway™ could be used as toxicity testing model for inhalable substances in Korea.
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KEYWORD
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3D tissue model, SoluAirwayTM, Respiratory toxicity, Inhalation toxicity
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