Serum Periplakin as a Potential Biomarker for Urothelial Carcinoma of the Urinary Bladder

Matsumoto, Kazumasa; Ikeda, Masaomi; Matsumoto, Toshihide; Nagashio, Ryo; Nishimori, Takanori; Tomonaga, Takeshi; Nomura, Fumio; Sato, Yuichi; Kitasato, Hidero; Iwamura, Masatsugu

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자료유형: 학술저널

저자정보: Matsumoto, Kazumasa (Department of Urology, School of Medicine, Kitasato University) Ikeda, Masaomi (Department of Urology, School of Medicine, Kitasato University) Matsumoto, Toshihide (Department of Pathology, School of Medicine, Kitasato University) Nagashio, Ryo (Department of Molecular Diagnostics, School of Allied Health Sciences, Kitasato University) Nishimori, Takanori (Department of Frontier Surgery, Graduate School of Medicine, Chiba University) Tomonaga, Takeshi (National Institute of Biomedical Innovation, Laboratory of Proteome Research) Nomura, Fumio (Department of Molecular Diagnosis, Graduate School of Medicine, Chiba University) Sato, Yuichi (Department of Molecular Diagnostics, School of Allied Health Sciences, Kitasato University) Kitasato, Hidero (Department of Microbiology, School of Allied Health Sciences, Kitasato University) Iwamura, Masatsugu (Department of Urology, School of Medicine, Kitasato University)

저널정보: 아시아태평양암예방학회 Asian Pacific journal of cancer prevention : APJCP Asian Pacific journal of cancer prevention : APJCP 제15권 제22호

발행연도: 2014.1

수록면: 9,927 - 9,931 (5page)

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The objectives of this study were to examine serum periplakin expression in patients with urothelial carcinoma of the urinary bladder and in normal controls, and to examine relationships with clinicopathological findings. Detection of serum periplakin was performed in 50 patients and 30 normal controls with anti-periplakin antibodies using the automatic dot blot system, and a micro-dot blot array with a 256 solid-pin system. Levels in patients with urothelial carcinoma of the urinary bladder were significantly lower than those in normal controls (0.31 and 5.68, respectively; p<0.0001). The area under the receiver-operator curve level for urothelial carcinoma of the urinary bladder was 0.845. The sensitivity and specificity, using a cut-off point of 4.045, were 83.7% and 73.3%, respectively. In addition, serum periplakin levels were significantly higher in patients with muscle-invasive cancer than in those with nonmuscle-invasive cancer (P = 0.03). In multivariate Cox proportional hazards regression analysis, none of the clinicopathological factors was associated with an increased risk for progression and cancer-specific survival. Examination of the serum periplakin level may play a role as a non-invasive diagnostic modality to aid urine cytology and cystoscopy.

#Periplakin #urothelial carcinoma #diagnosis

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