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Skin irritation and inhalation toxicity of biocides evaluated with reconstructed human epidermis and airway models

Authors
 Jee-Hyun Hwang  ;  Haengdueng Jeong  ;  Ye-On Jung  ;  Ki Taek Nam  ;  Kyung-Min Lim 
Citation
 FOOD AND CHEMICAL TOXICOLOGY, Vol.150 : 112064, 2021-02 
Journal Title
 FOOD AND CHEMICAL TOXICOLOGY 
ISSN
 0278-6915 
Issue Date
2021-02
Keywords
Biocides ; KeraSkin™ ; Reconstructed human airway model ; Reconstructed human epidermis model ; SoluAirway™
Abstract
Biocides are widely used in household products. Humans are exposed to biocides through dermal, inhalational, and oral routes. However, information on the dermal and inhalational toxicity of biocides is limited. We evaluated the effects of biocides on the skin and airways using the reconstructed human epidermis model KeraSkin™ and the airway model SoluAirway™. We determined the irritancy of 11 commonly used biocides (1,2-benzisothiazol-3(2H)-one [BIT], 2-phenoxyethanol [PE], zinc pyrithione, 2-bromo-2-nitropropane-1,3-diol, 3-iodoprop-2-ynyl N-butylcarbamate [IPBC], 2-octyl-1,2-thiazol-3-one, 2,2-dibromo-2-cyanoacetamide, 4-chloro-3-methylphenol [CC], 2-phenylphenol, deltamethrin, and 4,5-dichloro-2-octyl-1,2-thiazol-3-one) in the KeraSkin™ and SoluAirway™ by viability and histological examinations. BIT and CC were found to cause skin irritation at the approved concentrations or at the concentration close to approved limit while the others were non-irritants within the approved concentration. These results were confirmed via histology, wherein skin irritants induced erosion, vacuolation, and necrosis of the tissue. In the SoluAirway™, most of the biocides decreased cell viability even within the approved limits, except for PE, IPBC, and deltamethrin, suggesting that the airway may be more vulnerable to biocides than the skin. Taken together, our result indicates that some biocides can induce toxicity in skin and airway. Further studies on the dermal and inhalational toxicity of biocides are warranted.
Full Text
https://www.sciencedirect.com/science/article/pii/S0278691521000983
DOI
10.1016/j.fct.2021.112064
Appears in Collections:
1. College of Medicine (의과대학) > BioMedical Science Institute (의생명과학부) > 1. Journal Papers
Yonsei Authors
Nam, Ki Taek(남기택)
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/182200
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