Anterior Gradient 2 is a Poor Outcome Indicator in Luminal Breast Cancer
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摘要Background: Recent data have shown anterior gradient 2 (AGR2) to be a novel oncogene overexpressed in luminal breast cancers. However, many studies only focused on its relationship with treatment resistance, and the clinical relevance of AGR2 has not been widely evaluated. Methods: AGR2 expression in a cohort of breast cancer was correlated with the clinicopathologic features, biomarker expression, and patient survival. Results: AGR2 expression correlated with lower grade (p = 0.002) and absence of necrosis (p = 0.001) and was most highly expressed in luminal cancers (p < 0.001). Correspondingly, AGR2 correlated positively with estrogen receptor, progesterone receptor, and androgen receptor (p < 0.001) and negatively with epidermal growth factor receptor (p = 0.002) and CK5/6 (p < 0.001). AGR2 was an independent unfavorable disease-free survival prognostic factor in patients with hormone therapy (hazard ratio 2.537, p = 0.023). Interestingly, it was also an independent adverse disease-free survival prognostic factor in node-positive luminal cancers (hazard ratio 3.381, p = 0.016). AGR2 expression was higher in nodal metastasis than the corresponding primary tumors in luminal cancers (p = 0.023). Conclusions: The prognostic impact of AGR2 expression could be related to treatment outcome in estrogen receptor–positive breast cancers and/or its metastasis-promoting effects. It could be an important tumor biomarker and negative prognostic factor potentially exploitable in clinical practice.
著者Lacambra M.D., Tsang J.Y.S., Ni Y.-B., Chan S.-K., Tan P.H., Tse G.M.
期刊名稱Annals of Surgical Oncology
詳細描述Epub ahead of print.
出版年份2015
月份10
日期15
卷號22
期次11
出版社Lippincott Williams & Wilkins Ltd.
出版地United States
頁次3489 - 3496
國際標準期刊號1068-9265
電子國際標準期刊號1534-4681
語言英式英語

上次更新時間 2020-06-08 於 01:42