期刊
BRITISH JOURNAL OF CANCER
卷 106, 期 5, 页码 931-938出版社
NATURE PUBLISHING GROUP
DOI: 10.1038/bjc.2012.34
关键词
SATB2; prognosis; treatment prediction; colorectal cancer
类别
资金
- Knut and Alice Wallenberg Foundation
- Swedish Cancer Society, Gunnar Nilsson's Cancer Foundation
- Research Funds of Skane University Hospital
BACKGROUND: Special AT-rich sequence-binding protein 2 (SATB2) is a novel diagnostic marker of colorectal cancer (CRC), and loss of SATB2 has been linked to poor survival from the disease. In this study, we validated the prognostic ability of SATB2 expression in a large, prospective CRC cohort. METHODS: Immunohistochemical SATB2 expression was assessed in 527 incident CRC cases from the Malmo Diet and Cancer Study. Kaplan-Meier analysis and Cox proportional hazards modelling were used to explore the impact of SATB2 expression on cancer-specific survival (CSS) and overall survival (OS). RESULTS: High SATB2 expression was associated with a prolonged CSS in the full cohort (hazard ratio (HR)=0.61; 95% CI 0.41-0.92) and in colon cancer (HR=0.39; 95% CI 0.20-0.75), remaining significant in multivariable analysis of colon cancer (HR 0.49; 95% CI 0.25-0.96), with similar findings for OS. In curatively resected stage III-IV patients, a significant benefit from adjuvant and/or neoadjuvant therapy was observed for SATB2 high tumours (P-interaction 0.037 for OS) and high SATB2 expression in rectal cancer correlated with an enhanced effect of neoadjuvant therapy (P-interaction 0.033 for OS). CONCLUSION: High SATB2 expression is an independent marker of good prognosis in colon cancer and may modulate sensitivity to chemotherapy and radiation. British Journal of Cancer (2012) 106, 931-938. doi:10.1038/bjc.2012.34 www.bjcancer.com Published online 14 February 2012 (C) 2012 Cancer Research UK
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