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논문 기본 정보

자료유형
학술저널
저자정보
Gi Ho Lee (Chungnam National University) Sun Woo Jin (Chungnam National University) Se Jong Kim (Chungnam National University) Thi Hoa Pham (Chungnam National University) Jae Ho Choi (Chungnam National University) Hye Gwang Jeong (Chungnam National University)
저널정보
한국독성학회 Toxicological Research Toxicological Research Vol.35 No.1
발행연도
2019.1
수록면
93 - 101 (9page)

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초록· 키워드

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Tetrabromobisphenol A (TBBPA), the most common industrial brominated flame retardant, acts as a cytotoxic, neurotoxic, and immunotoxicant, causing inflammation and tumors. However, the mechanism of TBBPA-induced matrix metalloproteinase-9 (MMP-9) expression in human breast cancer cells is not clear. In human breast cancer MCF-7 cells, treatment with TBBPA significantly induced the expression and promoter activity of MMP-9. Transient transfection with MMP-9 mutation promoter constructs verified that NF-κB and AP-1 response elements are responsible for the effects of TBBPA. Furthermore, TBBPA-induced MMP-9 expression was mediated by NF-κB and AP-1 transcription activation as a result of the phosphorylation of the Akt and MAPK signaling pathways. Moreover, TBBPA-induced activation of Akt/MAPK pathways and MMP-9 expression were attenuated by a specific NADPH oxidase inhibitor, and the ROS scavenger. These results suggest that TBBPA can induce cancer cell metastasis by releasing MMP-9 via ROS-dependent MAPK, and Akt pathways in MCF-7 cells.

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Abstract
INTRODUCTION
MATERIALS AND METHODS
RESULTS
DISCUSSION
REFERENCES

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UCI(KEPA) : I410-ECN-0101-2019-513-000294512