Runx2 in human breast carcinoma: its potential roles in cancer progression

被引:71
作者
Onodera, Yoshiaki [1 ,2 ]
Miki, Yasuhiro [1 ]
Suzuki, Takashi [3 ]
Takagi, Kiyoshi [3 ]
Akahira, Jun-ichi [1 ]
Sakyu, Takuya [3 ]
Watanabe, Mika [2 ]
Inoue, Satoshi [4 ]
Ishida, Takanori [5 ]
Ohuchi, Noriaki [5 ]
Sasano, Hironobu [1 ,2 ]
机构
[1] Tohoku Univ, Grad Sch Med, Dept Pathol, Sendai, Miyagi 980, Japan
[2] Tohoku Univ Hosp, Dept Pathol, Sendai, Miyagi, Japan
[3] Tohoku Univ, Grad Sch Med, Dept Pathol & Histotechnol, Sendai, Miyagi 980, Japan
[4] Univ Tokyo, Grad Sch Med, Dept Geriatr Med, Tokyo, Japan
[5] Tohoku Univ, Grad Sch Med, Dept Surg Oncol, Sendai, Miyagi 980, Japan
来源
CANCER SCIENCE | 2010年 / 101卷 / 12期
关键词
HORMONE-RELATED PROTEIN; TRANSCRIPTION FACTOR RUNX2; OSTEOBLAST DIFFERENTIATION; BONE METASTASIS; CLEIDOCRANIAL DYSPLASIA; MAMMARY-GLAND; IN-VIVO; EXPRESSION; CELLS; MECHANISMS;
D O I
10.1111/j.1349-7006.2010.01742.x
中图分类号
R73 [肿瘤学];
学科分类号
100214 ;
摘要
Runx2 has been proposed as one of the pivotal factors in the process of osteogenesis and metastasis in human malignancies including breast cancer, but its details have not been evaluated. Therefore, in this study, we evaluated its expression in human breast cancer using immunohistochemistry. One hundred and thirty-seven formalin-fixed and paraffin-embedded breast cancer specimens were used in this analysis of immunohistochemical study. Immunoreactivity was evaluated using the labeling index (LI). Runx2 immunoreactivity was detected in both carcinoma and stromal cells, as well as non-pathological ductal cells. The nuclear LI of Runx2 in carcinoma cells was associated with the clinical stage, histological grade and HER2 status of the patients examined. In addition, among the patients not associated with distant metastasis, those with high Runx2 LI demonstrated a significantly worse clinical outcome than those with a low LI. This was more pronounced in the group of estrogen receptor (ER)-negative cases. In addition, both univariate and multivariate analyses demonstrated that the Runx2 LI in breast carcinoma cells turned out an independent prognostic factor. Results of our present study demonstrated that Runx2 plays very important roles in the progression of breast cancer, especially in those of ER-negative cases. (Cancer Sci 2010; 101: 2670-2675).
引用
收藏
页码:2670 / 2675
页数:6
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