Distinct subcellular expression patterns of neutral endopeptidase (CD10) in prostate cancer predict diverging clinical courses in surgically treated patients

Fleischmann, Achim; Schlomm, Thorsten; Huland, Hartwig; Köllermann, Jens; Simon, Philipp; Mirlacher, Martina; Salomon, Georg; Chun, Felix H K; Steuber, Thomas; Simon, Ronald; Sauter, Guido; Graefen, Markus; Erbersdobler, Andreas (2008). Distinct subcellular expression patterns of neutral endopeptidase (CD10) in prostate cancer predict diverging clinical courses in surgically treated patients. Clinical cancer research, 14(23), pp. 7838-42. Philadelphia, Pa.: American Association for Cancer Research 10.1158/1078-0432.CCR-08-1432

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PURPOSE: Neutral endopeptidase (CD10), an ectopeptidase bound to the cell surface, is thought to be a potential prognostic marker for prostate cancer. EXPERIMENTAL DESIGN: Prostate cancer patients (N = 3,261) treated by radical prostatectomy at a single institution were evaluated by using tissue microarray. Follow-up data were available for 2,385 patients. The cellular domain (membranous, membranous-cytoplasmatic, and cytoplasmatic only) of CD10 expression was analyzed immunohistochemically and correlated with various clinical and histopathologic features of the tumors. RESULTS: CD10 expression was detected in 62.2% of cancer samples and occurred preferentially in higher Gleason pattern (P < 0.0001). CD10 expression positively correlated with adverse tumor features such as elevated preoperative prostate-specific antigen (PSA), higher Gleason score, and advanced stage (P < 0.0001 each). Survival analyses showed that PSA recurrence was significantly associated with the staining pattern of CD10 expression. Outcome significantly declined from negative over membranous, membranous-cytoplasmatic, to exclusively cytoplasmatic CD10 expression (P < 0.0001). In multivariate analysis, CD10 expression was an independent predictor for PSA failure (P = 0.0343). CONCLUSIONS: CD10 expression is an unfavorable independent risk factor in prostate cancer. The subcellular location of CD10 protein is associated with specific clinical courses, suggesting an effect on different important biological properties of prostate cancer cells. The frequent expression of CD10 in prostate cancer and the strong association of CD10 with unfavorable tumor features may qualify this biomarker for targeted therapies.

Item Type:

Journal Article (Original Article)


04 Faculty of Medicine > Service Sector > Institute of Pathology

UniBE Contributor:

Fleischmann, Achim






American Association for Cancer Research




Factscience Import

Date Deposited:

04 Oct 2013 15:02

Last Modified:

11 Jul 2018 17:08

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Web of Science ID:



https://boris.unibe.ch/id/eprint/27140 (FactScience: 104449)

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