PMID: 26823849Jan 30, 2016Paper

Expression of eag1 channel associated with the aggressive clinicopathological features and subtype of breast cancer

International Journal of Clinical and Experimental Pathology
Guang-Xu LiuYan He

Abstract

Expression of eag1 channel (Eag1) is associated with cell malignant transformation, tumor cell metastasis and poor prognosis of the patient. This study aimed at examining whether expression of the Eag1 associated with aggressive clinicopathological feature and the molecular subtype of breast cancer. 109 patients who received breast cancer operation during January 2009 to December 2010 in Chinese-Japanese Friendship Hospital of Jilin University were recruited. We investigated the association of the Eag1 with clinicopathological features and molecular subtype of in triple negative breast cancer (TNBC) by univariate or multivariate analysis in a cross-section study. The positive rate of Eag1 was 18.5% higher in TNBC compared with non-triple negative breast cancer (Non-TNBC) (P = 0.012, OR = 2.83, 95% CI = 2.16-3.47). Compared with the Eag1 negative group, the expression of Eag1 was linked to the larger tumor size (P = 0.002), advanced TNM stage (P = 0.029), high proportion of positive lymph node (87.6% vs. 65%, P = 0.014) and invasive ductal carcinoma (91% vs. 75%, P = 0.046). The expression of Eag1 may be partially explained the aggressive behavior of TNBC in the breast cancer tissue.

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