ATP11A is a novel predictive marker for metachronous metastasis of colorectal cancer
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- Published online on: February 1, 2010 https://doi.org/10.3892/or_00000662
- Pages: 505-510
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Abstract
The adenosine triphosphate-binding cassette transporter-homologous gene ATP11A belongs to an extended family of adenosine triphosphate-binding cassette transporters. We analysed the ATP11A gene in 7 colorectal cancer cell lines and 95 paired cases of colorectal cancer and non-cancerous regions to demonstrate the importance of ATP11A expression in colorectal cancer prognosis. ATP11A was expressed in the 7 colorectal cancer cell lines. ATP11A mRNA expression was higher in colorectal cancer tissue than in corresponding normal tissue (P<0.001). Patients with high ATP11A expression showed a poorer disease-free survival rate compared to those with low expression (P<0.001), thus indicating that increase in ATP11A expression was an independent predictor of metachronous metastasis of colorectal cancer. The present study suggests that ATP11A is a useful predictive marker of metastasis in colorectal cancer patients.
