期刊
JOURNAL OF UROLOGY
卷 183, 期 1, 页码 339-344出版社
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1016/j.juro.2009.08.109
关键词
urinary bladder; carcinoma; proteomics; urine; tumor markers, biological
资金
- Chang Gung Memorial Hospital [CMRPD150103, CMRPG370121]
- National Science Council (Republic of China) [NSC96-2320-B-182-027-MY3]
- HKPolyU [155.B1.DD52]
Purpose: We searched for bladder tumor markers by analyzing urine samples from patients with bladder cancer and normal individuals. Materials and Methods: Proteins in urine samples of patients with cancer and normal subjects were systematically examined by 2-dimensional electrophoresis combined with matrix assisted laser desorption ionization time-of-flight mass spectrometry. Of the proteins bikunin expression was confirmed by Western blot analysis and further evaluated. To correlate urinary bikunin levels with clinical significance we examined urine samples from patients with bladder cancer and normal controls for bikunin expression in parallel with pro-urolinase-plasminogen activator, which was previously shown to be associated with advanced bladder carcinoma. Results: A significant relationship was established between the low level and absence of bikunin, and pro-urolinase-plasminogen activator in urine samples from patients with bladder tumors. Conclusions: Analysis of urinary proteomes may be a feasible, noninvasive and efficient strategy for searching for potential bladder tumor biomarkers. We identified bikunin loss in urine as a potential bladder carcinoma marker.
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