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Chinese Journal of Operative Procedures of General Surgery(Electronic Edition) ›› 2025, Vol. 19 ›› Issue (03): 282-284. doi: 10.3877/cma.j.issn.1674-3946.2025.03.014.

• Original Articles • Previous Articles    

Study on the mechanism of action of melanoma-associated antigen A6 in the metastasis and prognosis of gastric cancer

Peng Li1, Guangshi Liu1, Tao Li1,()   

  1. 1. Department of Gastrointestinal Surgery,People's Hospital of Xinjiang Uygur Autonomous Region,Uygur Autonomous Region Xinjiang 830001,China
  • Received:2024-04-22 Online:2025-06-26 Published:2025-04-10
  • Contact: Tao Li

Abstract:

Objective

To explore the mechanism of action of melanoma-associated antigen A6(MAGEA6) in the metastasis and prognosis of gastric cancer.

Methods

The clinical data of 102 patients with gastric cancer from December 2019 to December 2020 were retrospectively analyzed.The cancer tissues and adjacent tissues of the patients were collected for immunohistochemical detection of MAGEA6.SPSS22.0 was used for data analysis.The differences in MAGEA6 expression between cancer tissues and adjacent tissues were compared,and the correlation between MAGEA6 expression and the clinical characteristics of the patients was analyzed.The patients in the study group were followed up for 3 years to analyze the prognosis and survival status.The influencing factors of prognosis and survival were analyzed by COX analysis,and the survival status of gastric cancer patients with different MAGEA6 expressions was analyzed by the Kaplan-Meier curve.

Results

The MAGEA6 score and the high expression rate of MAGEA6 in the gastric cancer group were higher than those in the adjacent tissue group (P<0.05).The expression of MAGEA6 was correlated with age,TNM stage,degree of differentiation,and lymph node metastasis (P<0.05).After a 3-year follow-up of the patients with gastric cancer,there were no lost-to-follow-up cases.36 cases (35.3%) died,and the survival time was(32.43±5.27) months.COX regression analysis showed that age (≥60 years old),TNM stage (Ⅲ-Ⅳ),degree of differentiation (poorly differentiated),lymph node metastasis,and high MAGEA6 expression were factors related to the reduction of prognosis and survival (P<0.05).Kaplan-Meier survival analysis showed that the overall survival of patients with low MAGEA6 expression was better than that of patients with high MAGEA6 expression (P<0.05).

Conclusion

The expression of MAGEA6 is high in the tissues of patients with gastric cancer.High MAGEA6 expression is closely related to the clinical characteristics of the patients.Patients with high MAGEA6 expression have a worse postoperative survival.The expression status of MAGEA6 can be used as a clinical observation index for the prognosis of gastric cancer.

Key words: Stomach Neoplasm, Melanoma Associated Antigen A6, Gastric Cancer Metastasis, Prognosis

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