Prostate Cancer Stem Cell Markers Drive Progression, Therapeutic Resistance, and Bone Metastasis

Metastatic or recurrent tumors are the primary cause of cancer-related death. For prostate cancer, patients diagnosed with local disease have a 99% 5-year survival rate; however, this 5-year survival rate drops to 28% in patients with metastatic disease. This dramatic decline in survival has driven...

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Main Authors: Koran S. Harris, Bethany A. Kerr
Format: Article
Language:English
Published: Wiley 2017-01-01
Series:Stem Cells International
Online Access:http://dx.doi.org/10.1155/2017/8629234
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author Koran S. Harris
Bethany A. Kerr
author_facet Koran S. Harris
Bethany A. Kerr
author_sort Koran S. Harris
collection DOAJ
description Metastatic or recurrent tumors are the primary cause of cancer-related death. For prostate cancer, patients diagnosed with local disease have a 99% 5-year survival rate; however, this 5-year survival rate drops to 28% in patients with metastatic disease. This dramatic decline in survival has driven interest in discovering new markers able to identify tumors likely to recur and in developing new methods to prevent metastases from occurring. Biomarker discovery for aggressive tumor cells includes attempts to identify cancer stem cells (CSCs). CSCs are defined as tumor cells capable of self-renewal and regenerating the entire tumor heterogeneity. Thus, it is hypothesized that CSCs may drive primary tumor aggressiveness, metastatic colonization, and therapeutic relapse. The ability to identify these cells in the primary tumor or circulation would provide prognostic information capable of driving prostate cancer treatment decisions. Further, the ability to target these CSCs could prevent tumor metastasis and relapse after therapy allowing for prostate cancer to finally be cured. Here, we will review potential CSC markers and highlight evidence that describes how cells expressing each marker may drive prostate cancer progression, metastatic colonization and growth, tumor recurrence, and resistance to treatment.
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spelling doaj-art-bb2da42a13bc4c6e813d794a60091f152025-08-20T02:19:21ZengWileyStem Cells International1687-966X1687-96782017-01-01201710.1155/2017/86292348629234Prostate Cancer Stem Cell Markers Drive Progression, Therapeutic Resistance, and Bone MetastasisKoran S. Harris0Bethany A. Kerr1Department of Biology, North Carolina Agricultural & Technical State University, Greensboro, NC 27401, USADepartment of Cancer Biology, Wake Forest School of Medicine, Winston-Salem, NC 27157, USAMetastatic or recurrent tumors are the primary cause of cancer-related death. For prostate cancer, patients diagnosed with local disease have a 99% 5-year survival rate; however, this 5-year survival rate drops to 28% in patients with metastatic disease. This dramatic decline in survival has driven interest in discovering new markers able to identify tumors likely to recur and in developing new methods to prevent metastases from occurring. Biomarker discovery for aggressive tumor cells includes attempts to identify cancer stem cells (CSCs). CSCs are defined as tumor cells capable of self-renewal and regenerating the entire tumor heterogeneity. Thus, it is hypothesized that CSCs may drive primary tumor aggressiveness, metastatic colonization, and therapeutic relapse. The ability to identify these cells in the primary tumor or circulation would provide prognostic information capable of driving prostate cancer treatment decisions. Further, the ability to target these CSCs could prevent tumor metastasis and relapse after therapy allowing for prostate cancer to finally be cured. Here, we will review potential CSC markers and highlight evidence that describes how cells expressing each marker may drive prostate cancer progression, metastatic colonization and growth, tumor recurrence, and resistance to treatment.http://dx.doi.org/10.1155/2017/8629234
spellingShingle Koran S. Harris
Bethany A. Kerr
Prostate Cancer Stem Cell Markers Drive Progression, Therapeutic Resistance, and Bone Metastasis
Stem Cells International
title Prostate Cancer Stem Cell Markers Drive Progression, Therapeutic Resistance, and Bone Metastasis
title_full Prostate Cancer Stem Cell Markers Drive Progression, Therapeutic Resistance, and Bone Metastasis
title_fullStr Prostate Cancer Stem Cell Markers Drive Progression, Therapeutic Resistance, and Bone Metastasis
title_full_unstemmed Prostate Cancer Stem Cell Markers Drive Progression, Therapeutic Resistance, and Bone Metastasis
title_short Prostate Cancer Stem Cell Markers Drive Progression, Therapeutic Resistance, and Bone Metastasis
title_sort prostate cancer stem cell markers drive progression therapeutic resistance and bone metastasis
url http://dx.doi.org/10.1155/2017/8629234
work_keys_str_mv AT koransharris prostatecancerstemcellmarkersdriveprogressiontherapeuticresistanceandbonemetastasis
AT bethanyakerr prostatecancerstemcellmarkersdriveprogressiontherapeuticresistanceandbonemetastasis