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Chinese Journal of Operative Procedures of General Surgery(Electronic Edition) ›› 2022, Vol. 16 ›› Issue (02): 158-161. doi: 10.3877/cma.j.issn.1674-3946.2022.02.012

• Original Article • Previous Articles     Next Articles

Expression of SLeX and BRCA1 in invasive ductal carcinoma of breast

wei Zhang1, Shuping Qiao2, Peizhong Shang1,(), Bing Liu1, wei Li3, Runling Nan1   

  1. 1. Department of General Surgery, the 81st Group Army Hospital of PLA, Zhangjiakou Hebei Province 075000, China
    2. Department of General Surgery, Shiji Hospital of Huailai, Zhangjiakou Hebei Province 075400, China
    3. 3Department of Pathology & Medical Laboratory, the 81st Group Army Hospital of PLA, Zhangjiakou Hebei Province 075000, China
  • Received:2021-01-25 Online:2022-04-26 Published:2022-04-11
  • Contact: Peizhong Shang
  • Supported by:
    Zhangjiakou city key R & D project for comprehensive health and biomedicine(2021064D)

Abstract:

Objective

To investigate the relationship between the expression of sialic acid Lewis X antigen(SLeX)and BRCA1 gene and clinicopathological indicators and prognosis of invasive ductal carcinoma of breast(BIDC).

Methods

Retrospective study of 80 BIDC patients surgically resected from May 2014 to December 2015 and 30 para-cancer breast tissues 3 cm away from the tumor were collected. EliVisionTM plus two-step immunohistochemical method was used. SPSS 22.0 software was used to analyze the SLeX and BRCA1 positive rate,clinicopathological indicators and other count data(%). χ2 test and correlation were performed between groups. P<0.05 was considered statistically significant.

Results

The positive rates of SLeX and BRCA1 were 86.3%(69/80)and 60.0%(48/80)for cancer tissues and 20.0%(6/30)and 100%(30/30)for paracancerous tissues,respectively,with statistically significant differences(P<0.05). SLeX was highly expressed in patients with high TNM stage(T3 and T4),low differentiation,lymph node macrometastasis,and recurrence and metastasis within 5 years of follow-up;BRCA1 was low expressed in patients aged >53 years,high TNM stage(T3 and T4),low differentiation,lymph node macrometastasis,and recurrence and metastasis within 5 years of follow-up.

Conclusion

SLeX and BRCA1 were significantly associated with the development of BIDC,and either upregulation of the SLeX or downregulation of the BRCA1 predicted poor differentiation,rapid progression and poor prognosis.

Key words: Carcinoma,ductal,breast, Genes,BRCA1, Immunohistochemistry, Prognosis

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