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Nuclear Stat5a/b predicts early recurrence and prostate cancer-specific death in patients treated by radical prostatectomy
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2013 (Engelska)Ingår i: Human Pathology, ISSN 0046-8177, E-ISSN 1532-8392, Vol. 44, nr 3, s. 310-319Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

There is an urgent need for reliable markers to identify patients whose prostate cancer (PCa) will recur after initial therapy and progress to lethal disease. Gleason score (GS) is considered the most accurate predictive marker for disease-specific mortality after primary treatment of localized PCa. Most PCas cluster into groups of GS 6 and 7 with considerable variation in the disease recurrence and disease-specific death. In preclinical PCa models, Stat5a/b promotes PCa growth and progression. Stat5a/b is critical for PCa cell viability in vitro and for tumor growth in vivo and promotes metastatic dissemination of cancer in nude mice. Here, we analyzed the predictive value of high nuclear Stat5a/b protein levels in 2 cohorts of PCas: Material I (n = 562) PCas treated by radical prostatectomy (RP), and Material II (n = 106) PCas treated by deferred palliative therapy. In intermediate GS PCas treated by radical prostatectomy, high levels of nuclear Stat5a/b predicted both early recurrence (univariable analysis; P < .0001, multivariable analysis; HR = 1.82, P = .017) and early PCa-specific death (univariable analysis; P = .028). In addition, high nuclear Stat5a/b predicted early disease recurrence in both univariable (P < .0001) and multivariable (HR = 1.61; P = .012) analysis in the entire cohort of patients treated by RP regardless of the GS. Patients treated by deferred palliative therapy, elevated nuclear Stat5a/b expression was associated with early PCa-specific death by univariable Cox regression analysis (HR. = 1.59; 95% CI = [1.04, 2.44]; P = .034). If confirmed in future prospective studies, nuclear Stat5a/b may become a useful independent predictive marker of recurrence of lethal PCa after RP for intermediate GS PCas. (c) 2013 Elsevier Inc. All rights reserved.

Ort, förlag, år, upplaga, sidor
2013. Vol. 44, nr 3, s. 310-319
Nyckelord [en]
Stat5a/b, Prostate cancer, Recurrence, Prostate cancer-specific death, Therapy failure
Nationell ämneskategori
Medicin och hälsovetenskap
Identifikatorer
URN: urn:nbn:se:umu:diva-67579DOI: 10.1016/j.humpath.2012.06.001ISI: 000315126300002Scopus ID: 2-s2.0-84873726593OAI: oai:DiVA.org:umu-67579DiVA, id: diva2:625150
Tillgänglig från: 2013-06-04 Skapad: 2013-03-25 Senast uppdaterad: 2023-03-24Bibliografiskt granskad

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Josefsson, AndreasStattin, PärBergh, Anders

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