Abstract
This study investigated the expression of special AT-rich sequence-binding protein 1 (SATB1) and toll-like receptor 4 (TLR4) protein in breast cancer and its clinical significance. We collected breast cancer tissues from 120 patients and adjacent non-cancerous tissue from 53 patients. SATB1 was expressed in 89 cases of breast cancer (74.17%) and in 7 cases of adjacent non-cancerous tissue (13.21%). TLR4 was expressed in 70 cases of breast cancer tissues (58.33%) and in 48 cases of adjacent non-cancerous tissue (90.57%). The differences of SATB and TLR4 in breast cancer and adjacent non-cancerous tissue were statistically significant. We found a negative correlation between the expression of SATB1 and TLR4 (r=−0.624, P<0.05). The expression of SATB1 and TLR4 were not significantly correlated with age, menopause, and PR and HER-2 protein expression, but were significantly correlated with tumor size, local lymphatic metastasis, histopathological grade, tumor stage, and ER protein expression (P<0.05). Overall, SATB1 and TLR4 proteins are involved in the development of breast cancer, a finding of great significance to identify therapeutic targets and prognosis markers for breast cancer.
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