논문 (학술지)
H295R 세포를 활용한 유기 UV-Filters의 단일 및 혼합독성 평가
등록번호 | - | SCI 구분
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※구분 : SCI(SCIE포함), 비SCI |
비SCI |
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저자명 (주·공동저자) | 이봄이 ※ 과제 참여정보와 일치하는 연구자 상세정보로 정확하지 않을 수 있습니다. |
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논문구분 | 국내전문학술지 | 학술지명 | 韓國環境保健學會誌 = Journal of environmental health sciences |
ISSN | 1738-4087 | 학술지 출판일자 | 2024-06-30 |
학술지 볼륨번호 | 0(3) | 논문페이지 | 201 ~ 211 |
학술지 임팩트팩터 | 0.0 | 기여율 | 100 % |
DOI | https://doi.org/10.5668/jehs.2024.50.3.201 | ||
초록 | Background: Organic ultraviolet (UV) filters are widely used in sunscreen products and have been identified as an emerging contaminant. Organic UV filters co-exist with multiple components, but their mixture toxicity remains largely unknown. Objectives: We investigated the toxicity of single and binary mixtures of commonly used UV-filters using the human adrenocarcinoma (H295R) cell line. Methods: After exposure to non-cytotoxic concentrations of avobenzone (AVO), homosalate (HS), octisalate (OS), octinoxate (OMC), and octocrylene (OC), the levels of testosterone (T) and 17β-estradiol (E2) were measured. The median effective concentration (EC50) values for the E2 of the individual substances were used to determine the mixture effect of four binary combinations: OMC+AVB, OMC+HS, OMC+OS, and OMC+OC. The synergistic, additive, and antagonistic effects of the mixture were determined by calculating toxic units (TU). To examine the mechanism of mixture toxicity, eight genes involved in steroidogenesis were analyzed using the real-time polymerase chain reaction. Results: The significant increase in E2 in H295R cells exposed to AVO, HS, OS, OMC, and OC suggest an estrogenic effect of the tested UV-filters. A significant decrease in T was observed in cells exposed to HS and OS. EC50 values for E2 increase were 105 nM for AVO, 110 nM for HS, 120 nM for OS, 55 nM for OMC, and 80 nM for OC. Both binary mixtures consisting of OMC+HS and OMC+OS have synergistic effects. Conclusions: Our results showed that five types of UV-filter substances increase E2 in H295R cells. We examined the mixture toxicity in terms of increased estrogenicity and confirmed that E2 significantly increased when OMC was mixed with a salicylate-based UV-filters. These findings highlight the importance of determining the impact of UV filter mixtures. |
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