Higher bisphenol analogues exposure levels in e-waste workers and their associations with DNA oxidative damage in Hong Kong.

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Tác giả: Victoria H Arrandale, Alan Hoi-Shou Chan, Yanny Hoi Kuen Yu, Gengze Liao, Shaoyou Lu, Lap Ah Tse, Feng Wang, Xueqiong Weng, Samuel Yeung-Shan Wong

Ngôn ngữ: eng

Ký hiệu phân loại: 355.85 Communication equipment

Thông tin xuất bản: Netherlands : Environmental research , 2025

Mô tả vật lý:

Bộ sưu tập: NCBI

ID: 727141

Bisphenol analogues (BPs) are widely used as additives in a variety of products, including the components of electronic waste (e-waste). However, limited research has been conducted to evaluate the health burden of BPs exposure from e-waste recycling, particularly among frontline workers in developed regions. This study aimed to address this gap by analyzing urinary BPs and 8-hydroxy-2'-deoxyguanosine (8-OHdG), a marker of oxidative DNA damage, from 101 e-waste workers and 100 office workers in Hong Kong collected from 06/2021 to 09/2022. E-waste workers had significantly higher overall BPs concentrations than office workers (3.476 vs. 1.816 μg/L), with notable elevations in BPA, BPP, and BPZ. Male participants (3.118 μg/L) and e-waste workers involved in dismantling or repairing e-waste (4.245 μg/L) exhibited higher BPs burdens than the females (1.849 μg/L) and workers with other job designations (1.822 μg/L), respectively. Although the estimated daily intake (EDI) for BPA was below the recommended safety threshold, e-waste workers had higher EDIs for almost all BPs than office workers. BPA was the predominant analogue in e-waste and office workers (80.74% and 75.94%), and correlated with other BPs in e-waste workers, indicating its pervasive use in e-waste products. Exposure to BPs, both individually and as a mixture, was significantly associated with increased 8-OHdG levels, with stronger associations among female participants and the e-waste workers. The above findings suggest that e-waste workers in Hong Kong had higher BPs exposure from e-waste recycling and carried the associated health risks, with females showing greater sensitivity to BPs.
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