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Filtration-based enrichment of circulating tumor cells from all prostate cancer risk groups
University of Skövde. Manitoba Institute of Cell Biology, University of Manitoba, CancerCare Manitoba, Winnipeg, Manitoba, Canada / Department of Clinical Genetics, Institute of Biomedicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden.
Department of Surgery, Manitoba Prostate Center, University of Manitoba, Winnipeg, Manitoba, Canada.
Department of Surgery, Manitoba Prostate Center, University of Manitoba, Winnipeg, Manitoba, Canada.
Manitoba Institute of Cell Biology, University of Manitoba, CancerCare Manitoba, Winnipeg, Manitoba, Canada.
2017 (English)In: Urologic Oncology, ISSN 1078-1439, E-ISSN 1873-2496, Vol. 35, no 5, 300-309 p.Article in journal (Refereed) Published
Abstract [en]

Objective: To combine circulating tumor cell (CTC) isolation by filtration and immunohistochemistry to investigate the presence of CTCs in low, intermediate, and high-risk prostate cancer (PCa). CTCs isolated from these risk groups stained positive for both cytokeratin and androgen receptors, but negative for CD45.

Patients and methods: Blood samples from 41 biopsy confirmed patients with PCa at different clinical stages such as low, intermediate, and high risk were analyzed. The samples were processed with the ScreenCell filtration device and PCa CTCs were captured for all patients. The isolated CTCs were confirmed PCa CTCs by the presence of androgen receptors and cytokeratins 8, 18, and 19 that occurred in the absence of CD45 positivity. PCa CTC nuclear sizes were measured using the TeloView program.

Results: The filtration-based isolation method used permitted the measurement of the average nuclear size of the captured CTCs. CTCs were identified by immunohistochemistry in low, intermediate, and high-risk groups of patients with PCa.

Conclusion: CTCs may be found in all stages of PCa. These CTCs can be used to determine the level of genomic instability at any stage of PCa; this will, in the future, enable personalized patient management. 

Place, publisher, year, edition, pages
2017. Vol. 35, no 5, 300-309 p.
Keyword [en]
Prostate cancer, Circulating tumor cells, Androgen receptors, Cytokeratin, Filter isolation
National Category
Clinical Medicine
Identifiers
URN: urn:nbn:se:his:diva-13792DOI: 10.1016/j.urolonc.2016.12.008ISI: 000401095200019PubMedID: 28202223Scopus ID: 2-s2.0-85011983770OAI: oai:DiVA.org:his-13792DiVA: diva2:1112414
Available from: 2017-06-20 Created: 2017-06-20 Last updated: 2017-06-29

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CiteExportLink to record
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