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논문 기본 정보

자료유형
학술저널
저자정보
Inae Jeong (Seoul National University) 김채린 (Dept. of Electrical Engineering Sangmyung University Korea.) 김동근 (School of Intelligent Engineering Information for Human Sangmyung University Korea.) 최형진 (Institute of GS E&C Research Korea.) 박시삼 (Institute of GS E&C Research Korea.) 조수환 (상명대학교)
저널정보
대한암예방학회 대한암예방학회지 대한암예방학회지 제24권 제4호
발행연도
2019.1
수록면
217 - 223 (7page)

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Background: Resistance to epidermal growth factor receptor tyrosine kinase inhibitors (EGFR-TKIs), such as gefitinib, is a limited factor in the treatment of non-small-cell lung cancer (NSCLC) patients. Therefore, ongoing studies are trying to identify EGFR-TKIs-resistant mechanisms and to discover novel therapeutic strategies and targets for NSCLC treatment. Methods: In the present study, the possibility of overcoming intrinsic gefitinib-resistance was examined by regulating the expression of AXL. A natural product-derived antitumor agent, yuanhuadine (YD) was employed to modulate the expression of AXL in the cells. Results: Treatment with YD effectively downregulated AXL expression in AXL-overexpressed gefitinib-resistant H1299 cells. The combination of gefitinib and YD exhibited a synergistic grwoth-inhibitory activity in H1299 cells by downregulation of AXL expression. Conclusions: Based on these findings, AXL was found to be a promising therapeutic target to overcome the intrinsic resistance to gefitinib in NSCLC. Furthermore, YD is able to effectively regulate the expression of AXL and thus it may be applicable as a potential lead compound for the treatment of gefitinib-resistant NSCLC. (J Cancer Prev 2019;24:217-223)

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