Circulating forms of urokinase-type plasminogen activator receptor in plasma can predict recurrence and survival in patients with urothelial carcinoma of the bladder

Research output: Contribution to journalJournal articleResearchpeer-review

  • Line H. Dohn
  • Peter Thind
  • Lisbeth Salling
  • Henriette Lindberg
  • Sofie Ørsted
  • Ib J. Christensen
  • Ole D. Laerum
  • Martin Illemann
  • Hans von der Maase
  • Gunilla Høyer-Hansen
  • Pappot, Helle

Urothelial carcinoma of the bladder is a highly aggressive disease characterised by a very heterogeneous clinical outcome. Despite cystectomy, patients still have a high recurrence risk and shortened survival. Urokinase-type plasminogen activator receptor (uPAR) is present in tumour tissue specimens from patients with urothelial carcinoma. The different uPAR forms in blood are strong prognostic markers in other cancer types. We investigate the presence of different uPAR forms in tumour tissue and test the hypothesis that preoperative plasma levels of the uPAR forms predict recurrence free survival, cancer specific survival, and overall survival in patients treated with cystectomy for urothelial carcinoma. Using Western blotting we analyse neoplasia and adjacent benign-appearing urothelium from randomly selected patients for the presence of intact and cleaved uPAR forms. Prospectively collected preoperative plasma samples from 107 patients who underwent radical cystectomy for urothelial carcinoma are analysed. The different uPAR forms are measured by time-resolved fluorescence immunoassays. uPAR in tumour tissue from patients with urothelial carcinoma is demonstrated in both an intact and cleaved form. The different uPAR forms in plasma are all significantly associated with both recurrence free survival, cancer specific survival, and overall survival, high concentrations predicting short survival. uPAR (I) has the strongest association with a HR of 2.56 for overall survival. In the multivariable survival analysis uPAR (I) is significantly associated with cancer specific survival and overall survival.

Original languageEnglish
Article number2377
JournalCancers
Volume13
Issue number10
ISSN2072-6694
DOIs
Publication statusPublished - 2021

Bibliographical note

Publisher Copyright:
© 2021 by the authors. Licensee MDPI, Basel, Switzerland.

    Research areas

  • Biomarker, Bladder cancer, Blood, Plasma, Plasminogen activation, Recurrence, Survival, UPAR, Urokinase receptor, Urothelial cancer

ID: 276851253