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Metabolite profiling study on the toxicological effects of polybrominated diphenyl ether in a rat model
- Metabolite profiling study on the toxicological effects of polybrominated diphenyl ether in a rat model
- Jung, Young-Sang; Lee, Jueun; Seo, Jungju; Hwang, Geum-Sook
- Ewha Authors
- SCOPUS Author ID
- Issue Date
- Journal Title
- ENVIRONMENTAL TOXICOLOGY
- 1520-4081; 1522-7278
- vol. 32, no. 4, pp. 1262 - 1272
- polybrominated diphenyl ether; nuclear magnetic resonance; metabolomics; endocrine disruption; neurodevelopmental toxicity
- SCI; SCIE; SCOPUS
- Polybrominated diphenyl ethers (PBDEs) are commonly used to retard the combustion of materials such as foam padding, textiles, or plastics, and numerous studies have confirmed the accumulation thereof in the environment and in fish, mammals, and humans. In this study, we used metabolomics to conduct an environmental risk assessment of the PBDE-209. We profiled the urinary metabolites of control and PBDE-treated rats (exposed to PBDE-209) using nuclear magnetic resonance (NMR) and mass spectrometry (MS). Global metabolic profiling indicated that the effects of PBDE-209 on the urinary metabolic profile were not significant. However, targeted metabolic profiling revealed progressive effects of PBDE-209 over a 7-day PBDE-209 treatment. Moreover, despite the weak PBDE-209 effects, we observed that choline, acetylcholine, 3-indoxylsulfate, creatinine, urea, and dimethyl sulfone levels were decreased, whereas that of pyruvate was significantly increased. Furthermore, we suggest that the increased pyruvate level and decreased levels of choline, acetylcholine, and uremic toxins were suggestive of endocrine disruption and neurodevelopmental toxicity caused by PBDEs. (c) 2016 Wiley Periodicals, Inc. Environ Toxicol 32: 1262-1272, 2017.
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