Journal
CHEMOSPHERE
Volume 187, Issue -, Pages 88-96Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.chemosphere.2017.08.083
Keywords
Tris(2-chloropropyl) phosphate (TCPP); L02 cells; Cell apoptosis; ROS; Metabolomics; Proteomics
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Funding
- National Natural Science Foundation of China [41530642, 21677173]
- Youth Innovation Promotion Association CAS [2017255]
- Chinese Academy of Sciences [KZZD-EW-14, XDA11020305]
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Organophosphate flame retardants (OPFRs) are widely used as flame retardants which are ubiquitous in various environment media. As many of OPFRs are toxic and persistent, concerns have been raised in regards to their environmental impact. In this study, the toxicological effects of tris(2-chloropropyl) phosphate (TCPP) in human L02 cells was investigated by cell proliferation and apoptosis, oxidative stress, metabolomic and proteomic responses as well as gene expressions related to apoptosis. Results showed that TCPP did not significantly affect the L02 cell apoptosis, however, a significant increase of ROS production was observed in L02 cells with TCPP treatment compared with that in control group (p < 0.05). The expression levels of Bcl-2 family-encoding genes (Bax, Hrk and Bax/Bcl-2) were up regulated significantly in 10(-4) M group (p < 0.05). Metabolomic and proteomic responses indicated that TCPP mainly caused disturbance in cell growth/division and gene expression, energy and material metabolism, signal transduction, defense and cytoskeleton, which was further confirmed by the western blot analysis. (C) 2017 Elsevier Ltd. All rights reserved.
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