• Department of Pathology, People’s Hospital of Zhengzhou, Zhengzhou 450000, P. R. China;
YANG Jinhua, Email: jinhuay65@sina.com
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Objective  To investigate the expression of phosphate and tension homology deleted on chromsome ten (PTEN) and Basigin1, as well as their relationships with clinicopathological factors and molecular subtypes in invasive ductal carcinoma of breast. Methods  The expressions of PTEN and Basigin1 protein were examined in 76 invasive ductal carcinoma of breast tissues by immunohistochemical method, and 20 breast benign hyperplasia tissues as control. These 76 patients underwent surgery in our hospital from Jan. 2014 to Dec. 2015. Results  The high-expression rate of PTEN protein in invasive ductal carcinoma of breast tissues was lower than that in benign hyperplasia tissues [56.6% (43/76) vs. 85.0% (17/20), χ2=5.457, P=0.019], while the high-expression rate of Basigin1 protein was higher than that of the benign hyperplasia tissues [51.3% (39/76) vs 25.0% (5/20), χ2=4.417, P=0.036]. The high-expression of PTEN protein was positively correlated with WHO grade and lymph node metastasis status (P<0.05). The high-expression of Basigin1 protein was positively correlated with WHO grade, lymph node metastasis status, and TNM stage (P<0.05). In addition, the high-expression of PTEN protein was associated with molecular subtypes of breast cancer (P<0.001), and its high-expression rate was higher in Luminal A and Luminal B patients; the high-expression of Basigin1 protein was associated with molecular subtypes of breast cancer too (P<0.001), and the high-expression rate of Basigin1 protein was higher in Her-2 overexpression and basal-like subtypes of breast cancer patients. Spearman correlation analysis shown that expression of PTEN protein was negatively correlated with expression of Basigin1 protein (rs=–0.481, P<0.001). Conclusion  PTEN and Basigin1 protein may have some mechanisms to promote the occurrence and development of breast cancer, which provide a new basis for targeted treatment of breast cancer.

Citation: WANG Jianjun, XU Xiaoyan, FENG Zhikun, YANG Jinhua. The relationship between the expression of PTEN/Basigin1 protein and clinicopathological features in breast cancer. CHINESE JOURNAL OF BASES AND CLINICS IN GENERAL SURGERY, 2020, 27(7): 825-830. doi: 10.7507/1007-9424.201908115 Copy

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