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- Title
Expression of anoctamin 1 is associated with advanced tumor stage in patients with non-small cell lung cancer and predicts recurrence after surgery.
- Authors
He, Y.; Li, H.; Chen, Y.; Li, P.; Gao, L.; Zheng, Y.; Sun, Y.; Chen, J.; Qian, X.
- Abstract
Purpose: Anoctamin 1 ( ANO1), a recently identified calcium-activated chloride channel, has been found to have a critical role in tumorigenesis and tumor progression in several types of cancer. However, its role in non-small cell lung cancer (NSCLC) remains to be elucidated. In this study, we evaluated the utility of ANO1 as a prognostic marker. Patients and methods: ANO1 expression was detected in tumor tissues and paraneoplastic tissues of I-IV stage NSCLC patients who received surgical treatment by using immunohistochemical and quantitative RT-PCR analyses. Epidermal growth factor receptor (EGFR) was investigated using immunohistochemistry. Then the TNM stage of the tumor samples was assessed and patients were followed up for developing recurrence. Results: ANO1 expression was significantly increased in NSCLC tumor tissues compared to the paraneoplastic tissues at both RNA and protein level. In addition, ANO1 overexpression was correlated with the high expression of EGFR and led to an advanced tumor stage. And also high ANO1 expression was significantly correlated with high recurrence rate at 1-year follow-up. Conclusions: ANO1 overexpression associated with the high expression of EGFR can be a predictive marker of recurrence after surgery in NSCLC patients.
- Publication
Clinical & Translational Oncology, 2017, Vol 19, Issue 9, p1091
- ISSN
1699-048X
- Publication type
Article
- DOI
10.1007/s12094-017-1643-0