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Article Navigation> JOURNAL OF BEIJING INSTITUTE OF TECHNOLOGY> 2018> 27(3): 468-476
Wei Feng, Yu Li, Jing Zhang, Xuefei Lyu, Yulin Deng. Tris-(2, 3-dibromopropyl) Isocyanurate Induced Oxidative Stress in the Human Neuronal Cell Lines and in Rat Brains[J]. JOURNAL OF BEIJING INSTITUTE OF TECHNOLOGY, 2018, 27(3): 468-476. doi: 10.15918/j.jbit1004-0579.17074
Citation: Wei Feng, Yu Li, Jing Zhang, Xuefei Lyu, Yulin Deng. Tris-(2, 3-dibromopropyl) Isocyanurate Induced Oxidative Stress in the Human Neuronal Cell Lines and in Rat Brains[J].JOURNAL OF BEIJING INSTITUTE OF TECHNOLOGY, 2018, 27(3): 468-476.doi:10.15918/j.jbit1004-0579.17074
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Tris-(2, 3-dibromopropyl) Isocyanurate Induced Oxidative Stress in the Human Neuronal Cell Lines and in Rat Brains

doi:10.15918/j.jbit1004-0579.17074

  • School of Life Science, Beijing Institute of Technology, Beijing 100081, China

  • Received Date:2017-05-10
    Abstract
  • Tris-(2, 3-dibromopropyl) isocyanurate (TBC) is a heterocyclic hexabrominated additive flame retardant, which is bio-accumulative, and can cause reproductive, endocrine disrupting, and neurotoxic effects. The present study was aimed at further evaluating the oxidative stress induced by TBC in the human neuronal cells and in rat brains. The results demonstrated that TBC caused apop-tosis of U251 and SH-SY5Y cells in a dose-and time-dependent manner and that U251 cells were more sensitive to TBC than that of SH-SY5Y cells. Meanwhile, 1 μg/mL of TBC can significantly in-duce the production of MDA in U251 cells, indicating that oxidative stress occurred after TBC short-term exposure (24 h). Similarly, in vivo administration of 0.5 mg/kg of TBC in rats for 7 days led to low growth rates and a significant increase of reactive oxygen species (ROS) and nitrogen species (RNS) in the brains. However, enzymes related to antioxidation, total superoxide dismutase (T-SOD) and reduced glutathione (GSH), were not affected obviously. This might indicate that 7-day exposure was not long enough to weaken antioxidant defence in the brains. Altogether, the results indicated that oxidative stress was induced by short-time TBC exposure.
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