Journal
SCIENCE OF THE TOTAL ENVIRONMENT
Volume 681, Issue -, Pages 175-182Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.scitotenv.2019.04.081
Keywords
Environmental pollutants; Early kidney injury; Chronic kidney diseases; Heavy metal; Endocrine disrupter
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Exposure to environmental pollutants may lead to early kidney injury, chronic kidney disease (CKD) and end-stage renal disease (ESRD). This study investigated the early renal effects associated with exposure to endocrine-disrupting chemicals (EDCs) and heavy metals using general Korean population data. We used data from the Second Korean National Environmental Health Survey (2012-2014). As exposure markers, the concentrations of EDCs, such as tridosan (TCS), bisphenol A (RA) and phthalate metabolites (DEHP, MnBP and MBzP), and heavy metals, such as cadmium, lead and mercury were analyzed. As an early kidney injury marker, the urinary concentration of beta(2)-microglobulin (beta M-2) was measured. Multiple linear regression was used to analyze the relationship between environmental pollutants and beta M-2. A total of 5489 people (male: 2538, female: 2951) aged 19 years and older were enrolled. The geometric mean (GM) concentration of beta M-2 in the total population was 1.88 mu g/g creatinine (95% confidence interval (a) 1.85-1.91). The NM concentrations were significantly higher in cases of female, old age, low income, and presence of a history of diabetes mellitus or hypertension. The GM concentrations ofurinary TCS and cadmium were 1.16 mu g/g creatinine (95%CI 1.11-1.21) and 057 mu g/g creatinine 95% CI 0.57-0.59), respectively. TCS, DEHP, cadmium, lead, and mercury exposure was significantly positively related to urinary beta M-2 in the multiple regression analysis. beta M-2 levels increased significantly with increases in the cadmium, mercury, and lead levels (p for trend <0.0001). The higher the DEHP. MnBP, and TCS concentrations, the higher the beta M-2 level (p for trend <0.01). Environmental pollutants exposure significantly increased urinary beta M-2 levels in the general Korean population. To prevent the development of early kidney injury and CKD, it is important to reduce environmental pollutants exposure through regulatory measures, and cooperation between related bodies in both developing and developed countries. (C) 2019 Published by Elsevier B.V.
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