Gli1在乳腺癌中表达与临床预后的相关性研究

目的 评估乳腺癌患者Gli1表达的临床应用价值.方法 免疫化学法检测乳腺癌、癌旁组织、转移淋巴结组织中Gli1蛋白表达.结果 ①Glil蛋白在复发转移性乳腺癌组织表达显著增加,在发生复发转移的患者乳腺癌组织中,93.3％为Gli1高表达,没有发生转移的癌组织标本中81.2％高表达;同时发现复发转移组原发癌间质Gli1过表达率为89.3％,而非复发转移组间质Gli1过表达率仅为13.4％,差异有统计学意义（P ＜0.001）.②乳腺癌组织Gli1蛋白的表达与乳腺癌的早期复发转移密切相关,Gli1核过表达与无复发生存（relapse-free survival,RFS）呈明显相关（P =0.046）.在癌组织Gli1核高表达组乳癌复发率为17.8％,而Gli1低表达组乳癌复发率仅为6.2％ （P =0.046）.癌间质Gli1高表达组乳癌复发率为31.2％,而Gli1低表达组乳腺癌复发率为11.1％ （P ＜0.001）.结论 Gli1在乳腺癌原发癌、转移癌组织及癌间质中高表达与乳腺癌复发转移相关.

The relevance of Gli1 expression in breast cancer and clinical prognosis

Objective To evaluate the clinical value of Gli1 expression in breast cancer.Methods Immunohistochemistry was used to analyze the protein expression of Glil in breast cancer tissues,adjacent cancer tissues and metastatic lymph node.Results ①Breast cancer tissues expressed high levels of Gli1 compared to paracancerous tissues.Gli1 overexpression was found in 93.3％ of breast cancer tissues with recurrence and metastasis and 81.2％ in breast cancer tissues without metastasis.Gli1 expression could be detected either in interstitial tissues of cancer or in cancer tissues,or in both.The rate of Gli1 overexpression was 89.3％ in the inter stitial tissues of the primary cancer with recurrence and metastasis and 13.4％ in interstitial tissues of breast cancer tissues without metastasis.The difference had statistical significance（P ＜ 0.001）.②High expression of Gli1 in breast cancer tissues was closely related to early recurrence and metastasis of breast cancer.Gli1 expression displayed a significant correlation with relapse-free survival （RFS） （P =0.046）.The recurrence rate was 17.8％ in the high expression group in breast cancer tissue,whereas it was only 6.2％ in the low expression group（P =0.046）,while the recurrence rate was 31.2％ in the high expression group in interstitial tissues,whereas it was only 11.1％ in the low expression group（P ＜ 0.001）.Conclusion The high expression of Gli1 in breast primary cancer tissues,metastasis tissues and interstitial tissues is associated with recurrence and metastasis of breast cancer.