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https://www.readbyqxmd.com/read/28101571/upregulation-of-mir-146a-by-yy1-depletion-correlates-with-delayed-progression-of-prostate-cancer
#1
Yeqing Huang, Tao Tao, Chunhui Liu, Han Guan, Guangyuan Zhang, Zhixin Ling, Lei Zhang, Kai Lu, Shuqiu Chen, Bin Xu, Ming Chen
Previously published studies explained that the excessive expression of miR-146a influences the prostate cancer (PCa) cells in terms of apoptosis, progression, and viability. Although miR-146a acts as a tumor suppressor, current knowledge on the molecular mechanisms that controls its expression in PCa is limited. In this study, gene set enrichment analysis (GSEA) showed negatively enriched expression of miR-146a target gene sets and positively enriched expression of gene sets suppressed by the enhancer of zeste homolog 2 (EZH2) after YY1 depletion in PCa cells...
February 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28096933/the-association-of-male-pattern-baldness-and-risk-of-cancer-and-high-grade-disease-among-men-presenting-for-prostate-biopsy
#2
Ghazi Al Edwan, Bimal Bhindi, David Margel, Karen Chadwick, Antonio Finelli, Alexandre Zlotta, John Trachtenberg, Neil Fleshner
INTRODUCTION: Androgens have been implicated in both male pattern baldness (MPB) and prostate cancer (PCa). We set out to prospectively determine if men with independently assessed MPB are at higher risk for PCa at biopsy and determine if any grade associations exist. METHODS: We prospectively enrolled 394 eligible patients presenting for prostate biopsy and independently determined their MPB pattern using the validated modified Norwood classification system (0: no balding; 1: frontal balding; 2: mild vertex balding; 3: moderate vertex balding; 4: sever vertex balding)...
November 2016: Canadian Urological Association Journal, Journal de L'Association des Urologues du Canada
https://www.readbyqxmd.com/read/28096923/role-of-neutrophil-to-lymphocyte-ratio-in-prediction-of-gleason-score-upgrading-and-disease-upstaging-in-low-risk-prostate-cancer-patients-eligible-for-active-surveillance
#3
Mehmet Ilker Gokce, Semih Tangal, Nurullah Hamidi, Evren Suer, Muhammed Arif Ibis, Yasar Beduk
INTRODUCTION: Active surveillance (AS) is an option for management of low-risk prostate cancer (PCa). However, grade and stage progression is an important consideration. Neutrophil-to-lymphocyte ratio (NLR) is a useful marker of cancer-related inflammation. In this study, we aimed to identify the roles of neutrophil count (NC), lymphocyte count (LC), and NLR to predict Gleason score (GS) upgrading, disease upstaging, and biochemical recurrence rates (BCR) in low-risk PCa patients. METHODS: We retrospectively evaluated data of 210 low-risk PCa patients eligible for AS, but who underwent radical prostatectomy...
November 2016: Canadian Urological Association Journal, Journal de L'Association des Urologues du Canada
https://www.readbyqxmd.com/read/28096922/relationship-between-gleason-score-and-apparent-diffusion-coefficients-of-diffusion-weighted-magnetic-resonance-imaging-in-prostate-cancer-patients
#4
Tae Heon Kim, Chan Kyo Kim, Byung Kwan Park, Hwang Gyun Jeon, Byung Chang Jeong, Seong Il Seo, Hyun Moo Lee, Han Yong Choi, Seong Soo Jeon
INTRODUCTION: We assessed the correlation between the apparent diffusion coefficient (ADC) and pathological Gleason score (GS) of prostate cancer patients. METHODS: A total of 125 patients who underwent multiparametric magnetic resonance imaging before radical prostatectomy for prostate cancer were included in this study. ADC values were compared with different GS. We used receiver operating characteristic analysis and determined the ADC cutoff value to differentiate tumours with a GS of 6 from those with a GS ≥7...
November 2016: Canadian Urological Association Journal, Journal de L'Association des Urologues du Canada
https://www.readbyqxmd.com/read/28096916/an-audit-of-referral-and-treatment-patterns-of-high-risk-prostate-cancer-patients-in-alberta
#5
Majed Alghamdi, Amandeep Taggar, Derek Tilley, Marc Kerba, Xanthoula Kostaras, Geoffrey Gotto, Michael Sia
INTRODUCTION: We aimed to determine the impact of clinical practice guidelines (CPG) on rates of radiation oncologist (RO) referral, androgen-deprivation therapy (ADT), radiation therapy (RT), and radical prostatectomy (RP) in patients with high-risk prostate cancer (HR-PCa). METHODS: All men >18 years, diagnosed with PCa in 2005 and 2012 were identified from the Alberta Cancer Registry. Patient age, aggregated clinical risk group (ACRG) score, Gleason score (GS), pre-treatment prostate-specific antigen (PSA), RO referral, and treatment received were extracted from electronic medical records...
November 2016: Canadian Urological Association Journal, Journal de L'Association des Urologues du Canada
https://www.readbyqxmd.com/read/28093792/prognostic-role-of-preoperative-serum-lipid-levels-in-patients-undergoing-radical-prostatectomy-for-clinically-localized-prostate-cancer
#6
Marian S Wettstein, Karim Saba, Martin H Umbehr, Teemu J Murtola, Christian D Fankhauser, Jean-Pascal Adank, Marc Hofmann, Tullio Sulser, Thomas Hermanns, Holger Moch, Peter Wild, Cédric Poyet
BACKGROUND: The prognostic role of preoperative serum lipid levels in patients undergoing radical prostatectomy (RP) for clinically localized prostate cancer (PCa) is unclear. The aim of the present study was to investigate preoperative serum lipid levels in patients with clinically localized PCa undergoing RP and their association with clinicopathological features and oncological outcome. METHODS: Preoperative lipid levels (total cholesterol, LDL cholesterol, HDL cholesterol and triglycerides) and statin use from consecutive patients with clinically localized PCa undergoing RP in a tertiary referral center between 2008 and 2015 were recorded and patients were followed prospectively...
January 17, 2017: Prostate
https://www.readbyqxmd.com/read/28093791/local-therapy-improves-overall-survival-in-patients-with-newly-diagnosed-metastatic-prostate-cancer
#7
Rahul R Parikh, John Byun, Sharad Goyal, Isaac Yi Kim
BACKGROUND: The role of local therapy, in the form of radiation therapy (RT) or radical prostatectomy(RP), and its association on outcomes is not well established in patients with metastatic prostate cancer. METHODS: Using the National Cancer Database (NCDB), we evaluated patterns of care and outcomes among patients diagnosed with metastatic prostate cancer from 2004 to 2013 treated with local therapy (RP, intensity-modulated radiation therapy [IMRT], or 2D/3D-conformal radiation therapy [CRT])...
January 17, 2017: Prostate
https://www.readbyqxmd.com/read/28093292/multiparametric-magnetic-resonance-ultrasound-fusion-prostate-biopsy-number-and-spatial-distribution-of-cores-for-a-better-index-tumor-detection-and-characterization
#8
Francesco Porpiglia, Stefano De Luca, Roberto Passera, Agostino De Pascale, Daniele Amparore, Giovanni Cattaneo, Enrico Checcucci, Sabrina De Cillis, Diletta Garrou, Matteo Manfredi, Fabrizio Mele, Enrico Bollito, Cristian Fiori
PURPOSE: to evaluate the minimum cores number for a better index tumor detection, to investigate the best core site and biopsy Gleason Score (GS) heterogeneity within the same index lesion, to optimize the highest GS detection. MATERIALS AND METHODS: 327 patients with negative DRE underwent MRI/TRUS fusion targeted biopsy (TBx) for elevated/rising PSA, and/or ≥1 detectable lesions at multiparametric MRI after previous negative standard biopsy. Depending on the diameter of each index lesion, ≤8 or > 8 mm, four or six cores were taken respectively, according to a well-determined sequence...
January 13, 2017: Journal of Urology
https://www.readbyqxmd.com/read/28092670/neuropilin-1-is-upregulated-in-the-adaptive-response-of-prostate-tumors-to-androgen-targeted-therapies-and-is-prognostic-of-metastatic-progression-and-patient-mortality
#9
B W C Tse, M Volpert, E Ratther, N Stylianou, M Nouri, K McGowan, M L Lehman, S J McPherson, M Roshan-Moniri, M S Butler, J Caradec, C Y Gregory-Evans, J McGovern, R Das, M Takhar, N Erho, M Alshalafa, E Davicioni, E M Schaeffer, R B Jenkins, A E Ross, R J Karnes, R B Den, L Fazli, P A Gregory, M E Gleave, E D Williams, P S Rennie, R Buttyan, J H Gunter, L A Selth, P J Russell, C C Nelson, B G Hollier
Recent evidence has implicated the transmembrane co-receptor neuropilin-1 (NRP1) in cancer progression. Primarily known as a regulator of neuronal guidance and angiogenesis, NRP1 is also expressed in multiple human malignancies, where it promotes tumor angiogenesis. However, non-angiogenic roles of NRP1 in tumor progression remain poorly characterized. In this study, we define NRP1 as an androgen-repressed gene whose expression is elevated during the adaptation of prostate tumors to androgen-targeted therapies (ATTs), and subsequent progression to metastatic castration-resistant prostate cancer (mCRPC)...
January 16, 2017: Oncogene
https://www.readbyqxmd.com/read/28092414/dce-mri-of-the-prostate-using-shutter-speed-vs-tofts-model-for-tumor-characterization-and-assessment-of-aggressiveness
#10
Stefanie J Hectors, Cecilia Besa, Mathilde Wagner, Guido H Jajamovich, George K Haines, Sara Lewis, Ashutosh Tewari, Ardeshir Rastinehad, Wei Huang, Bachir Taouli
PURPOSE: To quantify Tofts model (TM) and shutter-speed model (SSM) perfusion parameters in prostate cancer (PCa) and noncancerous peripheral zone (PZ) and to compare the diagnostic performance of dynamic contrast-enhanced magnetic resonance imaging (DCE-MRI) to Prostate Imaging and Reporting and Data System (PI-RADS) classification for the assessment of PCa aggressiveness. MATERIALS AND METHODS: Fifty PCa patients (mean age 60 years old) who underwent MRI at 3...
January 16, 2017: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/28086856/the-addition-of-a-sagittal-image-fusion-improves-the-prostate-cancer-detection-in-a-sensor-based-mri-ultrasound-fusion-guided-targeted-biopsy
#11
Karsten Günzel, Hannes Cash, John Buckendahl, Maximilian Königbauer, Patrick Asbach, Matthias Haas, Jörg Neymeyer, Stefan Hinz, Kurt Miller, Carsten Kempkensteffen
BACKGROUND: To explore the diagnostic benefit of an additional image fusion of the sagittal plane in addition to the standard axial image fusion, using a sensor-based MRI/US fusion platform. METHODS: During July 2013 and September 2015, 251 patients with at least one suspicious lesion on mpMRI (rated by PI-RADS) were included into the analysis. All patients underwent MRI/US targeted biopsy (TB) in combination with a 10 core systematic prostate biopsy (SB). All biopsies were performed on a sensor-based fusion system...
January 13, 2017: BMC Urology
https://www.readbyqxmd.com/read/28086825/toxicity-and-quality-of-life-report-of-a-phase-ii-study-of-stereotactic-body-radiotherapy-sbrt-for-low-and-intermediate-risk-prostate-cancer
#12
Matthew J Boyer, Michael A Papagikos, Rex Kiteley, Zeljko Vujaskovic, Jackie Wu, W Robert Lee
BACKGROUND: Clinical data indicates that delivery of larger daily doses of radiation may improve the therapeutic ratio for prostate cancer compared to conventional fractionation. A phase II study of stereotactic body radiotherapy with real-time motion management and daily plan re-optimization for low to intermediate risk prostate cancer was undertaken to evaluate this hypothesis. This report details the toxicity and quality of life following treatment. METHODS: From 2009 to 2013, 60 patients with T1-T2c prostate cancer with a Gleason score of 6 and PSA ≤ 15 or Gleason score of 7 and PSA ≤ 10 were enrolled...
January 13, 2017: Radiation Oncology
https://www.readbyqxmd.com/read/28081352/removing-the-specimen-with-traction-during-robotic-radical-prostatectomy-does-not-cause-a-positive-surgical-margin
#13
Serkan Altınova, Abidin Egemen İşgören, Ziya Akbulut, Muhammet Fuat Özcan, Abdullah Erdem Canda, Ali Fuat Atmaca, Mevlana Derya Balbay
BACKGROUND/AIM: The aim of this study was to gauge whether removal of a specimen with traction during robot-assisted laparoscopic radical prostatectomy causes a positive surgical margin or not. MATERIALS AND METHODS: One hundred and sixty-nine patients with localized prostate cancer who underwent robot-assisted laparoscopic radical prostatectomy from 2009 to 2011 were included in the study. After dividing the patients into two groups, we recorded their characteristics and pre-op/post-op evaluations...
December 20, 2016: Turkish Journal of Medical Sciences
https://www.readbyqxmd.com/read/28073197/detection-rate-for-significant-cancer-at-confirmatory-biopsy-in-men-enrolled-in-active-surveillance-protocol-20-cores-vs-30-cores-vs-mri-trus-fusion-prostate-biopsy
#14
Pietro Pepe, Sebastiano Cimino, Antonio Garufi, Giandomenico Priolo, Giorgio Ivan Russo, Raimondo Giardina, Giulio Reale, Michele Barbera, Paolo Panella, Michele Pennisi, Giuseppe Morgia
INTRODUCTION: The detection rate for significant prostate cancer of extended vs saturation vs mMRI/TRUS fusion biopsy was prospectively evaluated in men enrolled in active surveillance (AS) protocol. Mterials and methods: From May 2013 to September 2016 75 men aged 66 years (median) with very low risk PCa were enrolled in an AS protocol and elegible criteria were: life expectancy greater than 10 years, cT1C, PSA below 10 ng/ml, PSA density < 0.20, 2 < unilateral positive biopsy cores, Gleason score (GS) equal to 6, greatest percentage of cancer (GPC) in a core < 50%...
December 30, 2016: Archivio Italiano di Urologia, Andrologia
https://www.readbyqxmd.com/read/28073196/mri-us-fusion-prostate-biopsy-our-initial-experience
#15
Vito Lacetera, Bernardo Cervelli, Antonio Cicetti, Giuliana Gabrielloni, Michele Montesi, Roberto Morcellini, Gianni Parri, Emilio Recanatini, Gianluca Giglioni, Andrea Benedetto Galosi, Valerio Beatrici
AIM: The objective of this study is to present our initial experience with magnetic resonance imaging/ultrasound (MRI/US) fusion biopsy using the Koelis Trinity device after the first consecutive 59 patients. MATERIALS AND METHODS: 59 consecutive patients with suspected prostate cancer (PCA) underwent prostate biopsy using Trinity Koelis® (Koelis, Grenoble, France). We divided the patients into 2 groups: patients with a previous negative mapping underwent to a MRI/US fusion re-biopsy (Group A); and biopsy-naïve patients who underwent to a first stereotactic 3-D mapping of the prostate (Group B)...
December 30, 2016: Archivio Italiano di Urologia, Andrologia
https://www.readbyqxmd.com/read/28071673/prognostic-value-of-the-new-grade-groups-in-prostate-cancer-a-multi-institutional-european-validation-study
#16
R Mathieu, M Moschini, B Beyer, K M Gust, T Seisen, A Briganti, P Karakiewicz, C Seitz, L Salomon, A de la Taille, M Rouprêt, M Graefen, S F Shariat
BACKGROUND: We aimed to assess the prognostic relevance of the new Grade Groups in Prostate Cancer (PCa) within a large cohort of European men treated with radical prostatectomy (RP). METHODS: Data from 27 122 patients treated with RP at seven European centers were analyzed. We investigated the prognostic performance of the new Grade Groups (based on Gleason score 3+3, 3+4, 4+3, 8 and 9-10) on biopsy and RP specimen, adjusted for established clinical and pathological characteristics...
January 10, 2017: Prostate Cancer and Prostatic Diseases
https://www.readbyqxmd.com/read/28063613/why-and-where-do-we-miss-significant-prostate-cancer-with-multi-parametric-magnetic-resonance-imaging-followed-by-magnetic-resonance-guided-and-transrectal-ultrasound-guided-biopsy-in-biopsy-na%C3%A3-ve-men
#17
Martijn G Schouten, Marloes van der Leest, Morgan Pokorny, Martijn Hoogenboom, Jelle O Barentsz, Les C Thompson, Jurgen J Fütterer
BACKGROUND: Knowledge of significant prostate (sPCa) locations being missed with magnetic resonance (MR)- and transrectal ultrasound (TRUS)-guided biopsy (Bx) may help to improve these techniques. OBJECTIVE: To identify the location of sPCa lesions being missed with MR- and TRUS-Bx. DESIGN, SETTING, AND PARTICIPANTS: In a referral center, 223 consecutive Bx-naive men with elevated prostate specific antigen level and/or abnormal digital rectal examination were included...
January 4, 2017: European Urology
https://www.readbyqxmd.com/read/28061904/classifying-high-risk-versus-very-high-risk-prostate-cancer-is-it-relevant-to-outcomes-of-conformal-radiotherapy-and-androgen-deprivation
#18
Akram Saad, Jeffrey Goldstein, Yaacov R Lawrence, Benjamin Spieler, Raya Leibowitz-Amit, Raanan Berger, Tima Davidson, Damien Urban, Lev Tsang, Dror Alezra, Ilana Weiss, Zvi Symon
OBJECTIVE: To evaluate outcomes in prostate cancer patients classified as high-risk (HR) or very high-risk (VHR) who were treated with conformal radiation therapy (CRT) and androgen deprivation therapy (ADT). METHODS: Between 11/2001 and 3/2012, 203 patients with HR disease received CRT to the prostate (78-82 Gy) and pelvic lymph nodes (46-50 Gy) with ADT (6 m-2 years). Median follow-up was 50 months (12 m-142 m). Biochemical failure was defined according to Phoenix definition...
January 6, 2017: Radiation Oncology
https://www.readbyqxmd.com/read/28061542/an-efficient-method-for-native-protein-purification-in-the-selected-range-from-prostate-cancer-tissue-digests
#19
Rumana Ahmad, Carrie D Nicora, Anil K Shukla, Richard D Smith, Wei-Jun Qian, Alvin Y Liu
BACKGROUND: Prostate cancer (CP) cells differ from their normal counterpart in gene expression. Genes encoding secreted or extracellular proteins with increased expression in CP may serve as potential biomarkers. For their detection and quantification, assays based on monoclonal antibodies are best suited for development in the clinical setting. One approach to obtain antibodies is to use recombinant proteins as immunogen. However, the synthesis of recombinant protein for each identified candidate is time-consuming and expensive...
December 2016: Chinese Clinical Oncology
https://www.readbyqxmd.com/read/28058757/prostate-health-index-density-improves-detection-of-clinically-significant-prostate-cancer
#20
Jeffrey J Tosoian, Sasha C Druskin, Darian Andreas, Patrick Mullane, Meera Chappidi, Sarah Joo, Kamyar Ghabili, Mufaddal Mamawala, Joseph Agostino, Ballentine H Carter, Alan W Partin, Lori J Sokoll, Ashley E Ross
OBJECTIVES: To explore the utility of prostate health index (PHI) density for detection of clinically-significant prostate cancer (PCa) in a contemporary cohort of men presenting for diagnostic workup of PCa. PATIENTS & METHODS: The study cohort included patients with elevated PSA (>2 ng/ml) and negative digital rectal examination who underwent PHI testing and prostate biopsy at our institution in 2015. Serum markers were prospectively measured per standard clinical pathway...
January 6, 2017: BJU International
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