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prostate cancer, prognostic markers

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https://www.readbyqxmd.com/read/28811991/systematic-review-of-the-outcomes-of-surgical-treatment-of-prostate-metastases-to-the-spine
#1
REVIEW
Michelle J Clarke, Camilo A Molina, Daryl R Fourney, Charles G Fisher, Ziya L Gokaslan, Meic H Schmidt, Laurence D Rhines, Michael G Fehlings, Ilya Laufer, Shreyaskumar R Patel, Y Raja Rampersaud, Jeremy Reynolds, Dean Chou, Chetan Bettegowda, Ehud Mendel, Michael H Weber, Daniel M Sciubba
STUDY DESIGN: Systematic review. OBJECTIVE: Surgical decompression and reconstruction of symptomatic spinal metastases has improved the quality of life in cancer patients. However, most data has been collected on cohorts of patients with mixed tumor histopathology. We systematically reviewed the literature for prognostic factors specific to the surgical treatment of prostate metastases to the spine. METHODS: A systemic review of the literature was conducted to answer the following questions: Question 1...
August 2017: Global Spine Journal
https://www.readbyqxmd.com/read/28811771/predictive-value-of-stathmin-1-and-osteopontin-expression-for-taxan-resistance-in-metastatic-castrate-resistant-prostate-cancer
#2
Asude Aksoy, Gokhan Artas, Omur Gokmen Sevindik
OBJECTIVE: Several pathways are known to be activated during metastasis and treatment of cancer. We investigated the role of osteopontin (OPN) and stathmin-1 (STHMN1) in metastatic castrate-resistant (mCRPC). METHODS: We included 30 patients who received at least 6 cycles of taxane regimen for metastatic mPC in the present study. For this study retrospective data was taken from Firat University, Faculty of Medicine, Medical Oncology Department between 2009 and 2015...
May 2017: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/28794807/prognostic-and-predictive-biomarkers-in-prostate-cancer-latest-evidence-and-clinical-implications
#3
REVIEW
Naoki Terada, Shusuke Akamatsu, Takashi Kobayashi, Takahiro Inoue, Osamu Ogawa, Emmanuel S Antonarakis
Advances in our understanding of the mechanisms driving castration-resistant prostate cancer have promoted the development of several new drugs including androgen receptor-directed therapy and chemotherapy. Concomitant docetaxel treatment at the beginning of hormonal therapy for metastatic prostate cancer has resulted in longer overall survival than with hormonal therapy alone. Elucidating an appropriate treatment sequence using these therapies is important for maximizing clinical benefit in castration-sensitive and castration-resistant prostate cancer patients...
August 2017: Therapeutic Advances in Medical Oncology
https://www.readbyqxmd.com/read/28793393/diverse-immunoprofile-of-ductal-adenocarcinoma-of-the-prostate-with-an-emphasis-on-the-prognostic-factors
#4
Se Un Jeong, Anuja Kashikar Kekatpure, Ja-Min Park, Minkyu Han, Hee Sang Hwang, Hui Jeong Jeong, Heounjeong Go, Yong Mee Cho
Background: Ductal adenocarcinoma (DAC) of the prostate is an uncommon histologic subtype whose prognostic factors and immunoprofile have not been fully defined. Materials and Methods: To define its prognostic factors and immunoprofile, the clinicopathological features, including biochemical recurrence (BCR), of 61 cases of DAC were analyzed. Immunohistochemistry was performed on tissue microarray constructs to assess the expression of prostate cancer-related and mammalian target of rapamycin (mTOR) signaling-related proteins...
August 9, 2017: Journal of Pathology and Translational Medicine
https://www.readbyqxmd.com/read/28782483/arrdc3-inhibits-the-progression-of-human-prostate-cancer-through-arrdc3-itg%C3%AE-4-pathway
#5
Y Zheng, Z-Y Lin, J-J Xie, F-N Jiang, C-J Chen, J-X Li, X Zhou, W-D Zhong
Arrestin domain-containing protein 3 (ARRDC3) is a member of the mammalian α-arrestins family, which has been identified as a tumor suppressor gene in human breast cancer, but its functions are still not clear in human prostate cancer (PCa). The purpose of the present study was to investigate clinical significance, biological functions and underlying mechanisms of ARRDC3 deregulation in PCa. Microarray analysis found that ARRDC3 low expression was significantly associated with high Gleason score in TMA, and the expression level of ARRDC3 was negatively correlated with Gleason score, metastasis and biochemical recurrence in online Taylor Dataset...
August 7, 2017: Current Molecular Medicine
https://www.readbyqxmd.com/read/28771442/oncomir-17-5p-alarm-signal-in-cancer
#6
REVIEW
Madhusudhan Reddy Bobbili, Robert M Mader, Johannes Grillari, Hanna Dellago
Soon after microRNAs entered the stage as novel regulators of gene expression, they were found to regulate -and to be regulated by- the development, progression and aggressiveness of virtually all human types of cancer. Therefore, miRNAs in general harbor a huge potential as diagnostic and prognostic markers as well as potential therapeutic targets in cancer.The miR-17-92 cluster was found to be overexpressed in many human cancers and to promote unrestrained cell growth, and has therefore been termed onco-miR-1...
July 18, 2017: Oncotarget
https://www.readbyqxmd.com/read/28765515/the-prognostic-implication-of-intraductal-carcinoma-of-the-prostate-in-metastatic-castration-resistant-prostate-cancer-and-its-potential-predictive-value-in-those-treated-with-docetaxel-or-abiraterone-as-first-line-therapy
#7
Jinge Zhao, Pengfei Shen, Guangxi Sun, Ni Chen, Jiandong Liu, Xin Tang, Rui Huang, Diming Cai, Jing Gong, Xingming Zhang, Zhibin Chen, Xiang Li, Qiang Wei, Peng Zhang, Zhenhua Liu, Jiyan Liu, Hao Zeng
Intraductal carcinoma of the prostate (IDC-P) is recognized as a newly pathological entity in 2016 WHO classification. It's role in metastatic castration-resistant prostate cancer (CRPC) remains obscure. We aimed to explore the association of IDC-P with clinical outcome and to further identify its potential predictive role in making first-line treatment decisions for mCRPC. We retrospectively analyzed data of 131 mCRPC patients. IDC-P was diagnosed by re-biopsy at the time of mCRPC. Among total patients, 45 and 41 received abiraterone or docetaxel as first-line therapies, respectively...
July 24, 2017: Oncotarget
https://www.readbyqxmd.com/read/28761938/down-regulation-of-hk7-in-the-sera-of-breast-cancer-and-benign-breast-disease-patients
#8
Samina Ejaz, Faiz-Ul-Hassan Nasim, Muhammad Ashraf, Gulzar Ahmad
INTRODUCTION: Breast cancer is known as a leading cause of cancer-related death among women all over the world. Biomarkers facilitate diagnosis at the earliest possible stage and better prognosis of the disease. Hence, may help to improve the overall survival rate among breast cancer patients. To find a better diagnostic/prognostic marker we evaluated human tissue kallikrein 7 (hK7) as biomarker of breast cancer. hK7 is a secreted serine protease having chymotrypsin like activity. Serum hK7 is known to have aberrant expression in ovarian and prostate cancer but has not been yet studied in breast cancer...
July 2017: Heliyon
https://www.readbyqxmd.com/read/28753864/predicting-prostate-cancer-progression-as-a-function-of-ets-related-gene-status-race-and-obesity-in-a-longitudinal-patient-cohort
#9
Jennifer Cullen, Denise Young, Yongmei Chen, Michael Degon, James Farrell, Jason Sedarsky, Wagner Baptiste, Philip Rosen, Vladimir Tolstikov, Michael Kiebish, Jacob Kagan, Sudhir Srivastava, Huai-Ching Kuo, Joel T Moncur, Inger L Rosner, Niven Narain, Viatcheslav Akmaev, Gyorgy Petrovics, Albert Dobi, David G McLeod, Shiv Srivastava, Isabell A Sesterhenn
BACKGROUND: ETS-related gene (ERG) oncogenic activation is the most common genomic alteration in prostate cancer (CaP) although it occurs less frequently in African American (AA) versus Caucasian (CA) patients, and the potential role of ERG as a prognostic marker has not been confirmed. OBJECTIVE: This study was conducted to confirm strong racial variation in the prevalence of ERG oncoprotein expression and to examine ERG oncoprotein expression, race, and body mass index as independent and joint predictors of CaP biochemical recurrence (BCR) following radical prostatectomy (RP)...
March 11, 2017: European Urology Focus
https://www.readbyqxmd.com/read/28747165/increased-ercc1-expression-is-linked-to-chromosomal-aberrations-and-adverse-tumor-biology-in-prostate-cancer
#10
Frank Jacobsen, Billurvan Taskin, Nathaniel Melling, Charlotte Sauer, Corinna Wittmer, Claudia Hube-Magg, Martina Kluth, Ronald Simon, Dirk Pehrke, Burkhard Beyer, Thomas Steuber, Imke Thederan, Guido Sauter, Thorsten Schlomm, Waldemar Wilczak, Katharina Möller, Sören A Weidemann, Susanne Burdak-Rothkamm
BACKGROUND: Animal model experiments have suggested a role of the DNA repair protein ERCC1 (Excision Repair Cross-Complementation Group 1) in prostate cancer progression. METHODS: To better understand the impact of ERCC1 protein expression in human prostate cancer, a preexisting tissue microarray (TMA) containing more than 12,000 prostate cancer specimens was analyzed by immunohistochemistry and data were compared with tumor phenotype, PSA recurrence and several of the most common genomic alterations (TMPRSS2:ERG fusions: deletions of PTEN, 6q, 5q, 3p)...
July 26, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28744948/a-subset-of-high-gleason-grade-prostate-carcinomas-contain-a-large-burden-of-prostate-cancer-syndecan-1-positive-stromal-cells
#11
Benjamin Sharpe, Dhafer A Alghezi, Claire Cattermole, Mark Beresford, Rebecca Bowen, John Mitchard, Andrew D Chalmers
BACKGROUND: There is a pressing need to identify prognostic and predictive biomarkers for prostate cancer to aid treatment decisions in both early and advanced disease settings. Syndecan-1, a heparan sulfate proteoglycan, has been previously identified as a potential prognostic biomarker by multiple studies at the tissue and serum level. However, other studies have questioned its utility. METHODS: Anti-Syndecan-1 immunohistochemistry was carried out on 157 prostate tissue samples (including cancerous, adjacent normal tissue, and non-diseased prostate) from three independent cohorts of patients...
July 26, 2017: Prostate
https://www.readbyqxmd.com/read/28717416/feasibility-of-urinary-extracellular-vesicle-proteome-profiling-using-a-robust-and-simple-clinically-applicable-isolation-method
#12
Irene V Bijnsdorp, Olga Maxouri, Aarzo Kardar, Tim Schelfhorst, Sander R Piersma, Thang V Pham, Andre Vis, R Jeroen van Moorselaar, Connie R Jimenez
Extracellular vesicles (EVs) secreted by prostate cancer (PCa) cells contain specific biomarkers and can be isolated from urine. Collection of urine is not invasive, and therefore urinary EVs represent a liquid biopsy for diagnostic and prognostic testing for PCa. In this study, we optimised urinary EV isolation using a method based on heat shock proteins and compared it to gold-standard ultracentrifugation. The urinary EV isolation protocol using the Vn96-peptide is easier, time convenient (≈1.5 h) and no special equipment is needed, in contrast to ultracentrifugation protocol (>3...
2017: Journal of Extracellular Vesicles
https://www.readbyqxmd.com/read/28693295/germline-dna-copy-number-variations-as-potential-prognostic-markers-for-non-muscle-invasive-bladder-cancer-progression
#13
Yoshiaki Yamamoto, Yutaka Suehiro, Atomu Suzuki, Ryosuke Nawata, Yoshihisa Kawai, Ryo Inoue, Hiroshi Hirata, Hiroaki Matsumoto, Takahiro Yamasaki, Kohsuke Sasaki, Hideyasu Matsuyama
Accumulating evidence has suggested that germline DNA copy number variations (CNVs) affect various disorders, including human malignancies. However, the significance of CNVs in non-muscle invasive bladder cancer (NMIBC) remains unclear. The purpose of the present study was to identify the role of CNVs in NMIBC. Array comparative genomic hybridization (CGH) analysis was performed to search for candidate CNVs associated with NMIBC susceptibility. Quantitative polymerase chain reaction was carried out to evaluate CNVs associated with patient outcome in 189 NMIBC cases...
July 2017: Oncology Letters
https://www.readbyqxmd.com/read/28690641/prostate-cancer-stem-cell-markers-drive-progression-therapeutic-resistance-and-bone-metastasis
#14
REVIEW
Koran S Harris, Bethany A Kerr
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)...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28684655/prognostic-role-of-tumour-associated-macrophages-and-macrophage-scavenger-receptor-1-in-prostate-cancer-a-systematic-review-and-meta-analysis
#15
Jian Cao, Jun Liu, Ran Xu, Xuan Zhu, Xiaokun Zhao, Bin-Zhi Qian
Recent studies suggested that the tumour associated macrophages may be associated with prostate cancer outcome. A meta-analysis was performed to evaluate the prognostic value of tumor associated macrophages and macrophage scavenger receptor 1, marker for a subset of macrophages, by pooled hazard ratio and 95% confidence intervals from qualified studies following a systemic search. The results indicate that higher infiltration of tumor associated macrophages predicts poor overall survival (HR=1.57, 95%CI: 1...
June 27, 2017: Oncotarget
https://www.readbyqxmd.com/read/28653449/the-value-of-biomarkers-in-bone-metastasis
#16
Stella D'Oronzo, Janet Brown, Robert Coleman
The worst complication of cancer is represented by its spread to distant sites. In particular, bone provides a fertile soil for several cancer types, especially those derived from breast, prostate and lung tumours. Despite the progress in diagnostic and therapeutic strategies, bone metastases (BM) still impact on quality of life and overall survival, making it necessary to identify the "high-risk" patients at an earlier stage. Since BM affect physiological bone turnover, measurement of bone turnover markers (BTM) has been widely investigated for diagnostic and prognostic purposes, as well as to support the development of anti-cancer drugs...
June 27, 2017: European Journal of Cancer Care
https://www.readbyqxmd.com/read/28651018/meta-analysis-of-mirna-expression-profiles-for-prostate-cancer-recurrence-following-radical-prostatectomy
#17
Elnaz Pashaei, Elham Pashaei, Maryam Ahmady, Mustafa Ozen, Nizamettin Aydin
BACKGROUND: Prostate cancer (PCa) is a leading reason of death in men and the most diagnosed malignancies in the western countries at the present time. After radical prostatectomy (RP), nearly 30% of men develop clinical recurrence with high serum prostate-specific antigen levels. An important challenge in PCa research is to identify effective predictors of tumor recurrence. The molecular alterations in microRNAs are associated with PCa initiation and progression. Several miRNA microarray studies have been conducted in recurrence PCa, but the results vary among different studies...
2017: PloS One
https://www.readbyqxmd.com/read/28645312/phf21b-overexpression-promotes-cancer-stem-cell-like-traits-in-prostate-cancer-cells-by-activating-the-wnt-%C3%AE-catenin-signaling-pathway
#18
Qiji Li, Liping Ye, Wei Guo, Min Wang, Shuai Huang, Xinsheng Peng
BACKGROUND: PHF21B is newly identified to be involved in the tumor progression; however, its biological role and molecular mechanism in prostate cancer have not been defined. This study is aimed to study the role of PHF21B in the progression of prostate cancer. METHODS: Real-time PCR, immunohistochemistry and western blotting analysis were used to determine PHF21B expression in prostate cancer cell lines and clinical specimens. The role of PHF21B in maintaining prostate cancer stem cell-like phenotype was examined by tumor-sphere formation assay and expression levels of stem cell markers...
June 23, 2017: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/28628624/heterogeneity-of-mirna-expression-in-localized-prostate-cancer-with-clinicopathological-correlations
#19
Ahmed Hussein Zedan, Søren Garm Blavnsfeldt, Torben Frøstrup Hansen, Boye Schnack Nielsen, Niels Marcussen, Mindaugas Pleckaitis, Palle Jörn Sloth Osther, Flemming Brandt Sørensen
INTRODUCTION: In the last decade microRNAs (miRNAs) have been widely investigated in prostate cancer (PCa) and have shown to be promising biomarkers in diagnostic, prognostic and predictive settings. However, tumor heterogeneity may influence miRNA expression. The aims of this study were to assess the impact of tumor heterogeneity, as demonstrated by a panel of selected miRNAs in PCa, and to correlate miRNA expression with risk profile and patient outcome. MATERIAL AND METHODS: Prostatectomy specimens and matched, preoperative needle biopsies from a retrospective cohort of 49 patients, who underwent curatively intended surgery for localized PCa, were investigated with a panel of 6 miRNAs (miRNA-21, miRNA-34a, miRNA-125b, miRNA-126, miRNA-143, and miRNA-145) using tissue micro-array (TMA) and in situ hybridization (ISH)...
2017: PloS One
https://www.readbyqxmd.com/read/28618431/tumour-heterogeneity-poses-a-significant-challenge-to-cancer-biomarker-research
#20
Karolina Cyll, Elin Ersvær, Ljiljana Vlatkovic, Manohar Pradhan, Wanja Kildal, Marte Avranden Kjær, Andreas Kleppe, Tarjei S Hveem, Birgitte Carlsen, Silje Gill, Sven Löffeler, Erik Skaaheim Haug, Håkon Wæhre, Prasanna Sooriakumaran, Håvard E Danielsen
BACKGROUND: The high degree of genomic diversity in cancer represents a challenge for identifying objective prognostic markers. We aimed to examine the extent of tumour heterogeneity and its effect on the evaluation of a selected prognostic marker using prostate cancer as a model. METHODS: We assessed Gleason Score (GS), DNA ploidy status and phosphatase and tensin homologue (PTEN) expression in radical prostatectomy specimens (RP) from 304 patients followed for a median of 10 years (interquartile range 6-12)...
July 25, 2017: British Journal of Cancer
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