Role of urinary cathepsin B and L in the detection of bladder urothelial cell carcinoma. Academic Article uri icon

Overview

abstract

  • PURPOSE: We tested the hypothesis that urinary cathepsin B and L are associated with bladder cancer recurrence and invasiveness in patients with a history of nonmuscle invasive urothelial carcinoma of the bladder. MATERIALS AND METHODS: Cathepsin B and L, and NMP22 were determined in the urine specimens of 188 consecutive subjects with a history of treated urothelial carcinoma of the bladder, 31 with noncancerous urological conditions and 10 healthy subjects. Cathepsin B and L were analyzed as continuous and categorical variables based on their quartile distribution. RESULTS: Urinary cathepsin L was higher in the 122 patients with cystoscopic evidence of bladder tumor compared with levels in 107 with normal cystoscopy (median 5.9, IQR 4.4 vs 3.0, IQR 3.2, p <0.001). Higher levels of cathepsin L were associated with positive cytology assay results, higher NMP22 and T1 or greater pathological stage (each p <0.001). Area under the ROC curves of NMP22 and cathepsin L for bladder cancer detection were 0.704 (95% CI 0.637-0.772) and 0.793 (95% CI 0.736-0.850), respectively. On multivariate analysis cathepsin L, NMP22 and cytology were associated with invasive pathological stage (OR 1.29, 2.42 and 2.76, respectively, p

publication date

  • February 1, 2008

Research

keywords

  • Biomarkers, Tumor
  • Carcinoma
  • Cathepsin B
  • Cathepsins
  • Cysteine Endopeptidases
  • Urinary Bladder Neoplasms

Identity

Scopus Document Identifier

  • 38849155980

Digital Object Identifier (DOI)

  • 10.1016/j.juro.2007.09.037

PubMed ID

  • 18076936

Additional Document Info

volume

  • 179

issue

  • 2