Expression of α-B crystalline in triple-negative breast cancer and its significance in targeted therapy / 中国肿瘤临床

ABSTRACT

Objective: To investigate the expression of α-B crystalline in triple-negative breast cancer (TNBC) and discuss its role in the prognosis and targeted therapy of TNBC by analyzing the correlation amongα-B crystalline and the clinico-pathological indi-ces of breast cancer. Methods:Immunohistochemistry SP assay was used to determineα-B crystalline expression in paraffin-embedded specimens of 30 cases of TNBC and 50 cases of non-TNBC tissues. The differences in protein expressions among tissues were com-pared, and correlation analysis was performed to determine the relationship between protein expression and clinico-pathological indi-ces. Results:The positive expression rate ofα-B crystalline was 66.67%in TNBC (20/30) and 42.00%in non-TNBC (21/50), which in-dicates that the expression is significantly higher in TNBC than in the non-TNBC tissues (χ2=4.566, P0.05), but exhibits a differ-ence in terms of lymph node metastasis and the number of metastasized lymph nodes [P53, Ki67 (P0.05). Conclusion:Significant differences were found inα-B crystalline expression between TNBC and non-TNBC.α-B crystalline is highly expressed in TNBC tissues, and the expression is signif-icantly higher in TNBC tissues than that in non-TNBC tissues.α-B crystalline is associated with poor prognosis of breast cancer. Conse-quently, the overexpression ofα-B crystalline in TNBC may be a reason for unfavorable TNBC prognosis.