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https://www.readbyqxmd.com/read/28222069/patients-perceptions-of-the-negative-effects-following-different-prostate-cancer-treatments-and-the-impact-on-psychological-well-being-a-nationwide-survey
#1
Ulla-Sisko Lehto, Heli Tenhola, Kimmo Taari, Arpo Aromaa
BACKGROUND: Although the prognosis of localised prostate cancer is good, the negative effects of prostate cancer treatment often impair patient quality of life. A growing number of men experience these negative effects over a longer time because of the increased incidence of and prolonged survival in prostate cancer, and the ageing of the population. Only a few studies have investigated the adverse effects of different prostate cancer treatments using large population-based samples. METHODS: We conducted a nationwide survey (n=1239) to collect detailed information regarding the negative effects (i...
February 21, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28221219/improving-the-evaluation-and-diagnosis-of-clinically-significant-prostate-cancer-in-2017
#2
Sigrid V Carlsson, Monique J Roobol
PURPOSE OF REVIEW: To provide an overview of the current state of the evidence and highlight recent advances in the evaluation and diagnosis of clinically significant prostate cancer, focusing on biomarkers, risk calculators and multiparametric MRI (mpMRI). RECENT FINDINGS: In 2017 there are numerous options to improve early detection as compared to a purely prostate-specific antigen (PSA)-based approach. All have strengths and drawbacks. In addition to repeating the PSA and performing clinical work-up (digital rectal examination and estimation of prostate volume), additional tests investigated in the initial biopsy setting are: %free PSA, Prostate Health Index, 4-kallikrein score, SelectMDx, and Michigan Prostate Score and in the repeat setting: %free PSA, Prostate Health Index, 4-kallikrein score, Prostate Cancer Antigen 3, and ConfirmMDx...
February 17, 2017: Current Opinion in Urology
https://www.readbyqxmd.com/read/28220805/meta-analysis-of-metabolic-syndrome-and-prostate-cancer
#3
REVIEW
M Gacci, G I Russo, C De Nunzio, A Sebastianelli, M Salvi, L Vignozzi, A Tubaro, G Morgia, S Serni
BACKGROUND: Metabolic syndrome (MetS) and prostate cancer (PCa) are highly prevalent conditions worldwide. Current evidence suggests the emerging hypothesis that MetS could play a role in the development and progression of several neoplasms. The aims of this study are to evaluate the impact of MetS and MetS factors on PCa incidence, on the risk of high-grade PCa and to analyze the role of MetS and single MetS components on the development of aggressive PCa features. METHODS: A systematic literature search and analysis on PubMed, EMBASE, Cochrane and Academic One File databases until September 2015 was performed by 2 independent reviewers to evaluate the associations between MetS and PCa incidence, and between MetS and high-grade PCa incidence (bioptical Gleason Score⩾8, Prognostic Group 4-5 according to the novel prostate cancer grading system)...
February 21, 2017: Prostate Cancer and Prostatic Diseases
https://www.readbyqxmd.com/read/28220804/impact-of-symptomatic-skeletal-events-on-health-care-resource-utilization-and-quality-of-life-among-patients-with-castration-resistant-prostate-cancer-and-bone-metastases
#4
R McKay, B Haider, M S Duh, A Valderrama, M Nakabayashi, M Fiorillo, L Ristovska, L Wen, P Kantoff
BACKGROUND: Data regarding the impact of symptomatic skeletal events (SSEs) on health economics and patient-reported outcomes in men with castration-resistant prostate cancer (CRPC) and bone metastases from a clinical setting are lacking. Hence, this study aimed to quantify the effects of SSEs on health-care resource utilization (HRU), health-related quality of life (HRQoL) and pain in men with CRPC metastasized to bone. METHODS: This cohort study included men with CRPC and bone metastasis treated at a tertiary center during December 1996-July 2015...
February 21, 2017: Prostate Cancer and Prostatic Diseases
https://www.readbyqxmd.com/read/28220803/tcf7-is-suppressed-by-the-androgen-receptor-via-microrna-1-mediated-downregulation-and-is-involved-in-the-development-of-resistance-to-androgen-deprivation-in-prostate-cancer
#5
M K Siu, W-Y Chen, H-Y Tsai, H-Y Chen, J J Yin, C-L Chen, Y-C Tsai, Y-N Liu
BACKGROUND: Resistance to androgen deprivation therapy (ADT) represents a key step in the malignant progression of prostate cancer, and mutation to androgen receptor (AR) is one major driver to an androgen-independent phenotype. However, alternative oncogenic pathways that bypass AR signaling have emerged as an important mechanism promoting resistance to ADT. It is known that AR activation can prevent the interaction between β-catenin and T cell factor/lymphoid enhancer-binding factor (TCF/LEF) family, inhibiting the Wnt signaling pathway...
February 21, 2017: Prostate Cancer and Prostatic Diseases
https://www.readbyqxmd.com/read/28220802/the-prostate-cancer-prevention-trial-risk-calculator-2-0-performs-equally-for-standard-biopsy-and-mri-us-fusion-guided-biopsy
#6
M Maruf, M Fascelli, A K George, M M Siddiqui, M Kongnyuy, J M DiBianco, A Muthigi, S Valayil, A Sidana, T P Frye, A Kilchevsky, P L Choyke, B Turkbey, B J Wood, P A Pinto
BACKGROUND: The Prostate Cancer Prevention Trial Risk Calculator 2.0 (PCPTRC) is a widely used risk-based calculator used to assess a man's risk of prostate cancer (PCa) before biopsy. This risk calculator was created from data of a patient cohort undergoing a 6-core sextant biopsy, and subsequently validated in men undergoing 12-core systematic biopsy (SBx). The accuracy of the PCPTRC has not been studied in patients undergoing magnetic resonance imaging/ultrasound (MRI/US) fusion-guided biopsy (FBx)...
February 21, 2017: Prostate Cancer and Prostatic Diseases
https://www.readbyqxmd.com/read/28217987/radiolabelled-psma-small-molecule-inhibitors
#7
Leon Will, Ida Sonni, Klaus Kopka, Clemens Kratochwil, Frederik L Giesel, Uwe Haberkorn
INTRODUCTION: Prostate cancer (PC) is one of the most common malignancies worldwide. Prostate-specific membrane antigen (PSMA) has been found to be expressed in most PCs and represents an ideal target for radiolabeling with diagnostic and therapeutic purposes. Numerous PSMA-tracers have been recently developed. This systematic review aims to provide an overview on the clinical influence of PSMA-tracers in primary staging, biochemical recurrence (BCR) of PC and advanced, metastatic PC...
February 17, 2017: Quarterly Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/28216939/prostatic-intraepithelial-neoplasia-like-ductal-prostatic-adenocarcinoma-a-case-suitable-for-active-surveillance
#8
Soroush Rais-Bahrami, Melissa R Dillard, Grace G Zhu, Jennifer B Gordetsky
In contrast to typical prostatic ductal adenocarcinoma, prostatic intraepithelial neoplasia (PIN)-like ductal adenocarcinoma is a rare variant of prostate cancer with low-grade clinical behavior. We report a case of a 66-year-old African-American male with an elevated serum prostate-specific antigen who underwent multiparametric prostate magnetic resonance imaging (MRI) and MRI/ultrasound fusion-guided biopsies. Pathology demonstrated low-volume Gleason score 3 + 3 = 6 (Grade Group 1), acinar adenocarcinoma involving one core and PIN-like ductal adenocarcinoma on a separate core...
January 2017: Urology Annals
https://www.readbyqxmd.com/read/28213802/high-expression-of-aspm-correlates-with-tumor-progression-and-predicts-poor-outcome-in-patients-with-prostate-cancer
#9
Jian-Jiang Xie, Yang-Jia Zhuo, Yu Zheng, Ru-Jun Mo, Ze-Zhen Liu, Bo-Wei Li, Zhi-Duan Cai, Xue-Jin Zhu, Yu-Xiang Liang, Hui-Chan He, Wei-de Zhong
PURPOSE: Abnormal spindle microtubule assembly (ASPM) gene was known to be linked with poor clinical prognosis in various tumors. However, the clinical significance of ASPM in prostate cancer (PCa) has not yet been understood. The purpose of this study was to determine the association of ASPM with tumor progression and prognosis in PCa patients. METHODS: The expression of ASPM at protein level in human PCa and non-cancerous prostate tissue was detected by immunohistochemical analysis, which was further validated by using microarray-based dataset (NCBI GEO: GSE21032 and The Cancer Genome Atlas (TCGA) dataset) at mRNA level...
February 17, 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/28212371/circulating-tumor-cells-in-prostate-cancer-beyond-enumeration
#10
Jie-Fu Chen, Yi-Tsung Lu, Shirley Cheng, Hsian-Rong Tseng, Robert A Figlin, Edwin M Posadas
Circulating tumor cells (CTCs) are a population of rare cancer cells that have detached from the primary tumor and/or metastatic lesions and entered the peripheral circulation. Enumeration of CTCs has demonstrated value as a prognostic biomarker, and newer studies have pointed to information beyond enumeration that is of critical importance in prostate cancer. Technologic advances that permit examination of the morphology, function, and molecular content of CTCs have made it possible to measure these factors as part of liquid biopsy...
January 2017: Clinical Advances in Hematology & Oncology: H&O
https://www.readbyqxmd.com/read/28212321/therapeutic-approaches-targeting-myc-driven-prostate-cancer
#11
REVIEW
Richard J Rebello, Richard B Pearson, Ross D Hannan, Luc Furic
The transcript encoding the proto-oncogene MYC is commonly overexpressed in prostate cancer (PC). MYC protein abundance is also increased in the majority of cases of advanced and metastatic castrate-resistant PC (mCRPC). Accordingly, the MYC-directed transcriptional program directly contributes to PC by upregulating the expression of a number of pro-tumorigenic factors involved in cell growth and proliferation. A key cellular process downstream of MYC activity is the regulation of ribosome biogenesis which sustains tumor growth...
February 16, 2017: Genes
https://www.readbyqxmd.com/read/28209757/cdk4-6-therapeutic-intervention-and-viable-alternative-to-taxanes-in-crpc
#12
James P Stice, Suzanne E Wardell, John D Norris, Alexander P Yllanes, Holly M Alley, Victoria O Haney, Hannah S White, Rachid Safi, Peter S Winter, Kimberly J Cocce, Rigel J Kishton, Scott A Lawrence, Jay C Strum, Donald P McDonnell
: Resistance to second generation AR antagonists and CYP17 inhibitors in patients with castrationresistant prostate cancer (CRPC) develops rapidly through reactivation of the androgen signaling axis and has been attributed to androgen receptor (AR) overexpression, production of constitutively active AR splice variants, or the selection for AR mutants with altered ligand binding specificity. It has been established that androgens induce cell cycle progression, in part, through upregulation of cyclin D1 (CCND1) expression and subsequent activation of cyclin-dependent kinases 4 and 6 (CDK4/6)...
February 16, 2017: Molecular Cancer Research: MCR
https://www.readbyqxmd.com/read/28209461/prostate-cancer-detection-rate-in-indonesian-men
#13
Chaidir Arif Mochtar, Widi Atmoko, Rainy Umbas, Agus Rizal Ardy Hariandy Hamid
PURPOSES OF THE STUDY: To evaluate the overall detection rate of prostate cancer in biopsies according to serum prostate-specific antigen levels, determine the number of cores biopsied in Indonesian men, and provide a correlated staging of prostate cancer patients at varying intervals of prostate-specific antigen levels. METHODS: We retrospectively analyzed the data from Indonesian men who had undergone prostate biopsy at two national referral medical centers in Jakarta from January 1995 to December 2014...
February 13, 2017: Asian Journal of Surgery
https://www.readbyqxmd.com/read/28207981/a-multiparametric-magnetic-resonance-imaging-based-risk-model-to-determine-the-risk-of-significant-prostate-cancer-prior-to-biopsy
#14
Pim J van Leeuwen, Andrew Hayen, James E Thompson, Daniel Moses, Ron Shnier, Maret Böhm, Magdaline Abuodha, Anne-Maree Haynes, Francis Ting, Jelle Barentsz, Monique Roobol, Justin Vass, Krishan Rasiah, Warick Delprado, Phillip D Stricker
OBJECTIVES: To develop and externally validate a predictive model for detection of significant prostate cancer (PC). SUBJECTS AND METHODS: Development of the model was based on prospective cohort including 393 men who underwent mpMRI prior to biopsy. External validity of the model was then examined retrospectively in 198 men from a separate institution whom underwent a mpMRI followed by biopsy for abnormal PSA/DRE. A model was developed with age, PSA, DRE, prostate volume, previous biopsy and PIRADS score as predictors for significant PC (Gleason 7 with >5% grade 4, ≥ 20% cores positive or ≥ 7mm of PC in any core)...
February 16, 2017: BJU International
https://www.readbyqxmd.com/read/28205582/aurora-a-regulates-expression-of-ar-v7-in-models-of-castrate-resistant-prostate-cancer
#15
Dominic Jones, Martin Noble, Steve R Wedge, Craig N Robson, Luke Gaughan
Androgen receptor variants (AR-Vs) provide a mechanism of therapy evasion in castrate-resistant prostate cancer (CRPC), yet mechanisms of regulation remain largely unknown. Here we investigate the role of Aurora A kinase on AR-Vs in models of CRPC and show depletion of Aurora A reduces AR-V target gene expression. Importantly, knockdown of Aurora A reconfigures splicing of AR pre-mRNA to discriminately down-regulate synthesis of AR-V transcripts, including AR-V7, without effecting full-length AR mRNA; and as a consequence, AR-V-driven proliferation and survival of CRPC cells is markedly reduced...
February 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28202500/canwalk-a-feasibility-study-with-embedded-randomised-controlled-trial-pilot-of-a-walking-intervention-for-people-with-recurrent-or-metastatic-cancer
#16
Vicki Tsianakas, Jenny Harris, Emma Ream, Mieke Van Hemelrijck, Arnie Purushotham, Lorelei Mucci, James S A Green, Jacquetta Fewster, Jo Armes
OBJECTIVES: Walking is an adaptable, inexpensive and accessible form of physical activity. However, its impact on quality of life (QoL) and symptom severity in people with advanced cancer is unknown. This study aimed to assess the feasibility and acceptability of a randomised controlled trial (RCT) of a community-based walking intervention to enhance QoL in people with recurrent/metastatic cancer. DESIGN: We used a mixed-methods design comprising a 2-centre RCT and nested qualitative interviews...
February 15, 2017: BMJ Open
https://www.readbyqxmd.com/read/28199075/first-brazilian-consensus-of-advanced-prostate-cancer-recommendations-for-clinical-practice
#17
Andre Deeke Sasse, Evanius Garcia Wiermann, Daniel Herchenhorn, Diogo Assed Bastos, Fabio A Schutz, Fernando Cotait Maluf, George Coura, Igor Alexandre Protzner Morbeck, Juliano J Cerci, Oren Smaletz, Volney Soares Lima, Ari Adamy, Franz Santos de Campos, Gustavo Franco Carvalhal, Leandro Casemiro Cezar, Marcos Francisco Dall'Oglio, Marcus Vinicius Sadi, Rodolfo Borges Dos Reis, Lucas Nogueira
INTRODUCTION: Prostate cancer still represents a major cause of morbidity, and still about 20% of men with the disease are diagnosed or will progress to the advanced stage without the possibility of curative treatment. Despite the recent advances in scientific and technological knowledge and the availability of new therapies, there is still considerable heterogeneity in the therapeutic approaches for metastatic prostate cancer. OBJECTIVES: This article presents a summary of the I Brazilian Consensus on Advanced Prostate Cancer, conducted by the Brazilian Society of Urology and Brazilian Society of Clinical Oncology...
February 16, 2017: International Braz J Urol: Official Journal of the Brazilian Society of Urology
https://www.readbyqxmd.com/read/28197764/new-frontiers-in-prostate-cancer-imaging-clinical-utility-of-prostate-specific-membrane-antigen-positron-emission-tomography
#18
REVIEW
Asim Afaq, Deepak Batura, Jamshed Bomanji
Prostate-specific membrane antigen positron emission tomography (PSMA PET) is a relatively new method of imaging prostate cancer that increases diagnostic accuracy in detecting and guiding management in various stages of the disease pathway. Gallium-68-labelled PSMA PET has increased the sensitivity of detection of disease recurrence at low PSA levels, thus allowing an optimal window for salvage treatment. Apart from its use in disease recurrence, PSMA PET has the potential for increasing sensitivity and specificity for primary tumour localisation and in detecting lymph node disease, leading to a more accurate initial staging of the condition...
February 14, 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/28197629/rab27a-rab27b-and-vps36-are-downregulated-in-advanced-prostate-cancer-and-show-functional-relevance-in-prostate-cancer-cells
#19
Thomas Stefan Worst, Yannic Meyer, Maria Gottschalt, Cleo-Aron Weis, Jost von Hardenberg, Christine Frank, Annette Steidler, Maurice Stephan Michel, Philipp Erben
Paracrine and long-range signaling via extracellular vesicles, such as exosomes and microvesicles, is deemed crucial for tumorigenesis, invasion and spread of solid tumors. The ESCRT machinery (endosomal sorting complexes required for transport) and Rab-proteins act as key players in vesicular trafficking and secretion. Yet, their role in prostate cancer (PCa) is unknown. Therefore, this study aimed to elucidate the relevance of these components in PCa. In silico reanalysis of genes with known involvement in vesicular trafficking and secretion in an existing microarray dataset revealed low expression of RAB27A, RAB27B and VPS36 to be predictive for reduced BCR-free survival in patients with localized PCa (p=0...
March 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28196067/body-weight-trajectories-and-risk-of-oesophageal-and-gastric-cardia-adenocarcinomas-a-pooled-analysis-of-nih-aarp-and-plco-studies
#20
Jessica L Petrick, Scott P Kelly, Linda M Liao, Neal D Freedman, Barry I Graubard, Michael B Cook
BACKGROUND: Elevated body mass index (BMI, kg m(-2)) has been consistently associated with oesophageal adenocarcinoma (EA) and gastric cardia adenocarcinoma (GCA) incidence. However, effects of adiposity over the life course in relation to EA/GCA have not been thoroughly explored. METHODS: We pooled two prospective cohort studies: NIH-AARP Diet and Health Study and Prostate, Lung, Colorectal, and Ovarian (PLCO) Cancer Screening Trial, with data on 409 796 individuals (633 EA, 415 GCA)...
February 14, 2017: British Journal of Cancer
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