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Differential Occupational Health Risks between Methylated PAHs and PAHs:Monitoring 126 PAHs and 6 Oxidative Stress Markers in Paired Serum−Urine Samples

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Environment & Health 2024年第3期2卷 150-160页

作者： Ke-Xin Zhao Chao Jiang Yue Han Wen-Long Li Yu-Wei Li Li-Yan Liu Wan-Li Ma Ying-Hua Hu Zi-Feng Zhang International Joint Research Center for Persistent Toxic Substances(IJRC-PTS) State Key Laboratory of Urban Water Resource and Environment/School of EnvironmentHarbin Institute of Technology(HIT)Harbin 150090China Wadsworth Center New York State Department of Healthand Department of Environmental Health SciencesSchool of Public HealthState University of New York at AlbanyAlbanyNew York 12237United States

The hazards of polycyclic aromatic hydrocarbons(PAHs)on occupationally exposed population have been widely ***,the occupational exposure risks associated their derivatives,methylated PAHs,remain poorly *** study conducted a screen of 126 PAHs and 6 oxidative stress biomarkers(OSBs)in paired serum−urine samples from 110 petrochemical workers to assess the risk associated with different PAHs *** results showed that the median concentrations of unmetabolized 16 priority PAHs(p-PAHs),16 regular PAHs(R-PAHs),50 methyl-PAHs(Me-PAHs),and 30 nitro-PAHs(N-PAHs)in serum(urine)were 97.98(66.46),11.02(0.00),77.76(31.77),and 1.93(0.10)ng/mL,*** median concentration of metabolized hydroxy PAHs(OH-PAHs)in urine was 12.00 ng/mL(9.49 ng/mg creatinine).OSBs indicate that the hazards of Me-PAHs on exposed populations manifest as protein damage,while the hazards of p-PAHs mainly result in lipid and DNA *** from common diseases and PAH exposure demonstrate a correlation between liver damage and PAH exposure,and Me-PAHs are more difficult to metabolize through urine due to their stronger *** study suggests that traditional health screenings targeting p-PAHs may be insufficient and likely underestimate the exposure risks for occupational populations.

关键词： petrochemical workers Methyl-PAHs Nitro-PAHs Oxidative stress biomarkers Health risk

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