사람의 난소 상피종양 세포주에서 All-trans-retinoic Acid의 항암 효과와 Apoptosis와의 연관성
Anticancer Effect and Apoptosis of All-trans-retinoic Acid on the Human Ovarian Epithelial Carcinoma Cell Lines
한지영, 정우희, 김태승,
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한지영 ( Han Jee-Young )
인하대학교 의과대학 병리학교실
정우희 ( Jung Woo-Hee )
연세대학교 의과대학 병리학교실
김태승 ( Kim Tai-Seung )
연세대학교 의과대학 병리학교실
KMID : 0357920000340030225
Abstract
Ovarian carcinoma is a serious disease in women. Some reports revealed all-trans-retinoic acid (tRA) inhibited the proliferation of ovarian carcinoma cell lines and induced apoptosis. The aim of this study was to evaluate the anticancer and apoptotic effects of tRA and the expression of the retinoic acid receptor (RAR) α, β, γ, p53, bcl-2, and c-myc genes on the ovarian carcinoma cell lines, NIH OVCAR3 and SKOV3. In both cell lines, the proliferation of tumor cells was inhibited and characteristic morphologic patterns of apoptosis were shown after treatment of tRA. The number of apoptotic cells and the percentage of apoptosis were increased after treatment of tRA. The gel electrophoresis revealed the DNA ladder pattern in the NIH OVCAR3. Gene expressions were observed using northern blotting. There was no RARα expression in both cell lines. In NIH OVCAR3, there was no changes in the expression of RARβ and bcl-2 gene. The RARγ gene expression of tRA treated group was slightly increased, but p53 gene expression was decreased, and c-myc gene was not expressed. In SKOV3, the expressions of RARβ, γ, and p53 genes were increased and that of bcl-2 was decreased in the tRA treated group. There was no change in c-myc gene expression. These results suggest tRA has anticancer and apoptotic effect on both ovarian carcinoma cell lines. RARβ, RARγ, bcl-2, and p53 gene expressions were correlated with these effects of tRA on SKOV3 but not on NIH OVCAR3.
키워드
Ovarian carcinoma;tRNA;Anticancer effect;Apoptosis
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