title: ATP11A is a novel predictive marker for metachronous metastasis of colorectal cancer.
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.
authors.affiliation: Department of Gastroenterological Surgery, Osaka University Graduate School of Medicine, Suita, Osaka, Japan.
authors.forename: Norikatsu
authors.initials: N
authors.lastname: Miyoshi
authors.forename: Hideshi
authors.initials: H
authors.lastname: Ishii
authors.forename: Koshi
authors.initials: K
authors.lastname: Mimori
authors.forename: Fumiaki
authors.initials: F
authors.lastname: Tanaka
authors.forename: Kennichi
authors.initials: K
authors.lastname: Nagai
authors.forename: Mamoru
authors.initials: M
authors.lastname: Uemura
authors.forename: Mitsugu
authors.initials: M
authors.lastname: Sekimoto
authors.forename: Yuichiro
authors.initials: Y
authors.lastname: Doki
authors.forename: Masaki
authors.initials: M
authors.lastname: Mori
mesh_terms: D018528:ATP-Binding Cassette Transporters / Q000235:genetics / Q000378:metabolism / Q000502:physiology*; D000230:Adenocarcinoma / Q000175:diagnosis* / Q000235:genetics / Q000401:mortality / Q000473:pathology*; D000251:Adenosine Triphosphatases / Q000235:genetics / Q000502:physiology*; D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D014408:Biomarkers, Tumor / Q000235:genetics; D045744:Cell Line, Tumor; D015179:Colorectal Neoplasms / Q000175:diagnosis* / Q000235:genetics / Q000401:mortality / Q000473:pathology*; D005260:Female; D005500:Follow-Up Studies; D015972:Gene Expression Regulation, Neoplastic; D006801:Humans; D008297:Male; D008875:Middle Aged; D009362:Neoplasm Metastasis; D016609:Neoplasms, Second Primary / Q000175:diagnosis* / Q000235:genetics / Q000401:mortality / Q000473:pathology; D011379:Prognosis; D016019:Survival Analysis
chemical_list: D018528:ATP-Binding Cassette Transporters; D014408:Biomarkers, Tumor; D000251:Adenosine Triphosphatases; C548142:ATP11A protein, human