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Isoformen des freien prostataspezifischen Antigens

Isoforms of free prostate-specific antigen

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Author

Summary, in English

Detection of prostate-specific antigen remains the mainstay in the early detection of prostate cancer. A problem yet unsolved is the lack of specificity of this organ- but not cancer-specific marker, which generates subsequent, invasive procedures in a high number of patients without detecting prostate cancer. While the separate detection of free PSA and the ratio of free to total PSA has significantly improved specificity while maintaining high sensitivity, the number of patients undergoing unnecessary further diagnostics is still of concern. In this context, the evolving knowledge on isoforms of free PSA is a major focus of current research. Isoforms of free PSA are variants of free PSA that circulate, e.g., as precursor forms, internally cleaved variants of intact molecules, and are suggested to be either more associated with cancer or more with benign diseases. This article describes biochemical and clinical properties of the isoforms of free PSA.

Publishing year

2004

Language

German

Pages

675-679

Publication/Series

Der Urologe

Volume

43

Issue

6

Document type

Journal article

Publisher

Springer

Topic

  • Urology and Nephrology

Keywords

  • Prostatakarzinom
  • Serummarker
  • PSA
  • Freies PSA
  • Isoformen des freien PSA
  • proPSA
  • Intact PSA
  • BPSA
  • Nicked PSA
  • Prostate cancer
  • Serum marker
  • Free PSA
  • Isoforms of free PSA

Status

Published

Research group

  • Clinical Chemistry, Malmö

ISBN/ISSN/Other

  • ISSN: 0340-2592