期刊
ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY
卷 43, 期 -, 页码 232-241出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.etap.2016.02.002
关键词
Deoxynivalenol; HUVECs; Mitochondrial membrane potential; Cell cycle; Apoptosis
资金
- Zhejiang University
Deoxynivalenol (DON) is astable mycotoxins found in cereals infected by certain fungal species and causes adverse health effects in animals and human such as vomiting, diarrhea and reproductive toxicity. In this study, we investigated the toxic and apoptotic effects of DON in human umbilical vein endothelial cells (HUVECs), a good model for studying inflammation. The results show that DON significantly inhibited the viability of HUVECs. DON could also inhibit the proliferation of HUVECs through G2/M phase arrest in cell cycle progression. Moreover, oxidative stress induced by DON was indicated by observations of increased levels of reactive oxygen species (ROS). In addition, DON also causes mitochondrial damage by decreasing the mitochondria( membrane potential and inducing apoptosis by up-regulation of apoptosis-related genes like caspase-3, caspase-9, and Sax genes, and down-regulation of Bcl-2 gene. These results together suggest that DON could induce cell cycle arrest, oxidative stress, and apoptosis in HUVECs. (C) 2016 Elsevier B.V. All rights reserved.
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