Diminished Expression of MiR-15a Is an Independent Prognostic Marker for Breast Cancer Cases

被引:0
作者
Shinden, Yoshiaki [1 ]
Akiyoshi, Sayuri [2 ]
Ueo, Hiroki [1 ]
Nambara, Syo [1 ]
Saito, Tomoko [1 ]
Komatsu, Hisateru [1 ]
Ueda, Masami [1 ]
Hirata, Hidenari [1 ]
Sakimura, Shotaro [1 ]
Uchi, Ryutaro [1 ]
Takano, Yuki [1 ]
Iguchi, Tomohiro [1 ]
Eguchi, Hidetoshi [1 ]
Sugimachi, Keishi [1 ]
Kijima, Yuko [3 ]
Ueo, Hiroaki [4 ]
Natsugoe, Shoji [3 ]
Mimori, Koshi [1 ]
机构
[1] Kyushu Univ, Beppu Hosp, Dept Surg, Beppu, Oita 8740838, Japan
[2] Kyushu Canc Ctr, Natl Hosp Org, Minami Ku, Fukuoka, Japan
[3] Kagoshima Univ, Grad Sch Med & Dent Sci, Dept Digest Surg Breast & Thyroid Surg, Sakuragaoka, Kagoshima, Japan
[4] Ueo Breast Surg Hosp, Haya, Oita, Japan
基金
日本学术振兴会;
关键词
miR-15a; breast cancer; prognosis; MICRORNAS;
D O I
暂无
中图分类号
R73 [肿瘤学];
学科分类号
100214 ;
摘要
Background/Aim: MiR-15a targets Cyclin El (CCNE1), which regulates the cell cycle and promotes cell proliferation and progression. Herein, we investigated the clinicopathological significance of miR-15a as a prognostic marker in breast cancer (BC) cases. Materials and Methods: We collected primary tumor samples of 230 BC cases, including 68 triple-negative cases. The expression levels of miR-15a in primal), tumors were measured by qRT-PCR assay. Results: Low expression of miR-15a in primary tumors was significantly correlated with shorter disease-free survival (p=0.0012) and overall survival (p=0.005) compared to the high miR-15a expression in triple-negative BC cases. Multivariate analysis indicated that low rniR-15a expression was an independent prognostic factor for overall survival [RR=2.56(1.03-7.18), p=0.04]. Conclusion: MiR-15a expression levels could be a promising biological and prognostic marker for overall survival especially in triple-negative BC cases.
引用
收藏
页码:123 / 127
页数:5
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