1,3-Dichloro-2-Propanol (1,3-DCP)에 의한 세포의 손상기전

Jeong, Ji-Hak;Sin, Ik-Jae;Sin, Yeong-Min;Park, Heung-Jai;An, Won-Gun

  • 발행 : 2007.02.28


Endocrine disrupting compounds (EDC's) are chemicals that either mimic endogenous hormones interfering with pharmacokinetics or act by other mechanisms. Some endocrine disrupters were reported to be chemical substances that cause apoptosis in cells. A number of reports have indicated that 1,3-DCP, one of the EDC's may act as an endocrine disrupter and also has possible carcinogenic effects. 1,3-DCP, present in commercial protein hydrolysates used for human nutrition, are genotoxic and 1,3-dichloro-2-propanol induced tumors in rats. In the present study, it was investigated whether 1,3-DCP induces ROS generation and apotosis in A549 adenocarcinoma cells. Here we show that 1,3-DCP inhibits the growth of lung cancer cell lines and generates reactive oxygen species (ROS), a major cause of DNA damage and genetic instability, It was investigated that 1,3-DCP increases G1 phase cells after 12 hours, thereafter abruptly draws A549 cells to G0 state after 24 hours by flow cytometric analysis. 1,3-DCP induces p53 and $p21^{Cip1/WAF1}$ activation time- and dose-dependently by 24 hours, while the level $p21^{Cip1/WAF1}$ was decreased after 48 hours. These results suggest that 1,3-DCP, an EDC's generates ROS and regulates genes involved with cell cycle and apoptosis.


1,3-Dichloro-2-propanol (1,3-DCP);Endocrine disrupting compounds (EDC's);Apoptosis;ROS;P53;P21


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