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https://www.readbyqxmd.com/read/28346914/top-prospective-evaluation-of-a-volume-based-computer-assisted-method-for-transperineal-optimized-prostate-biopsy
#1
Claudia Kesch, Jan Philipp Radtke, Ionel Valentin Popeneciu, Claudia Gasch, Svenja C Dieffenbacher, Tilman Klein, Heinz-Peter Schlemmer, Kathrin Wieczorek, Pawel Zogal, Markus Hohenfellner, Georgios Sakas, Boris Alexander Hadaschik
OBJECTIVE: This study is a prospective evaluation of a volume-based, computer-assisted method for transperineal optimized prostate (TOP) biopsy. The TOP algorithm automates core planning for systematic prostate biopsies using the 3-dimensional organ contour and an alterable volume for tumors to be excluded. SUBJECTS AND METHODS: MRI-transrectal ultrasound fusion biopsy with MRI-targeted biopsies (TBs) and systematic-TOP biopsies were performed on 172 men between October 2013 and March 2014...
March 28, 2017: Urologia Internationalis
https://www.readbyqxmd.com/read/28346812/identification-of-a-novel-benzimidazole-pyrazolone-scaffold-that-inhibits-kdm4-lysine-demethylases-and-reduces-proliferation-of-prostate-cancer-cells
#2
David M Carter, Edgar Specker, Jessica Przygodda, Martin Neuenschwander, Jens Peter von Kries, Udo Heinemann, Marc Nazaré, Ulrich Gohlke
Human lysine demethylase (KDM) enzymes (KDM1-7) constitute an emerging class of therapeutic targets, with activities that support growth and development of metastatic disease. By interacting with and co-activating the androgen receptor, the KDM4 subfamily (KDM4A-E) promotes aggressive phenotypes of prostate cancer (PCa). Knockdown of KDM4 expression or inhibition of KDM4 enzyme activity reduces the proliferation of PCa cell lines and highlights inhibition of lysine demethylation as a possible therapeutic method for PCa treatment...
March 1, 2017: SLAS Discov
https://www.readbyqxmd.com/read/28346806/active-surveillance-in-younger-men-with-prostate-cancer
#3
Michael S Leapman, Janet E Cowan, Hao G Nguyen, Katsuto K Shinohara, Nannette Perez, Matthew R Cooperberg, William J Catalona, Peter R Carroll
Purpose The suitability of younger patients with prostate cancer (PCa) for initial active surveillance (AS) has been questioned on the basis of eventual treatment necessity and concerns of safety; however, the role of age on surveillance outcomes has not been well defined. Patients and Methods We identified men managed with AS at our institution with a minimum follow-up of 6 months. The primary study objective was to examine the association of age with risk of biopsy-based Gleason score upgrade during AS. We also examined the association of age with related end points, including overall biopsy-determined progression, definitive treatment, and pathologic and biochemical outcomes after delayed radical prostatectomy (RP), using descriptive statistics, the Kaplan-Meier method, and multivariable Cox proportional hazards regression...
March 27, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28346805/brachytherapy-for-patients-with-prostate-cancer-american-society-of-clinical-oncology-cancer-care-ontario-joint-guideline-update
#4
Joseph Chin, R Bryan Rumble, Marisa Kollmeier, Elisabeth Heath, Jason Efstathiou, Tanya Dorff, Barry Berman, Andrew Feifer, Arthur Jacques, D Andrew Loblaw
Purpose To jointly update the Cancer Care Ontario guideline on brachytherapy for patients with prostate cancer to account for new evidence. Methods An Update Panel conducted a targeted systematic literature review and identified more recent randomized controlled trials comparing dose-escalated external beam radiation therapy (EBRT) with brachytherapy in men with prostate cancer. Results Five randomized controlled trials provided the evidence for this update. Recommendations For patients with low-risk prostate cancer who require or choose active treatment, low-dose rate brachytherapy (LDR) alone, EBRT alone, and/or radical prostatectomy (RP) should be offered to eligible patients...
March 27, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28346770/a-core-outcome-set-for-localised-prostate-cancer-effectiveness-trials
#5
Steven MacLennan, Paula R Williamson, Hanneke Bekema, Marion Campbell, Craig Ramsay, James N'Dow, Sara MacLennan, Luke Vale, Philipp Dahm, Nicolas Mottet, Thomas Lam, Paul Abel, Hashim U Ahmed, Gary Akehurst, Robert Almquist, Karl Beck, David Budd, Steven Canfield, James Catto, Philip Cornford, William Cross, Alexander Ewen, Judith Grant, Rakesh Heer, David Hurst, Rob Jones, Roger Kockelbergh, Andrew Mackie, Graham MacDonald, Alan McNeill, Malcolm Mason, Sam McClinton, Duncan McLaren, Hugh Mostafid, Ian Pearce, Linda Pennet, Justine Royle, Hans Schreuder, Grant D Stewart, Henk van der Poel, Kevin Wardlaw, Thomas Wiegel
OBJECTIVE: To develop a core outcome set (COS) applicable for effectiveness trials of all interventions for localised prostate cancer. BACKGROUND: Many treatments exist for localised prostate cancer, although it is unclear which offers the optimal therapeutic ratio. This is confounded by inconsistencies in the selection, definition, measurement and reporting of outcomes in clinical trials. SUBJECTS AND METHODS: A list of 79 outcomes was derived from a systematic review of published localised prostate cancer effectiveness studies and semi-structured interviews with 15 prostate cancer patients...
March 27, 2017: BJU International
https://www.readbyqxmd.com/read/28346484/a-neighborhood-wide-association-study-nwas-example-of-prostate-cancer-aggressiveness
#6
Shannon M Lynch, Nandita Mitra, Michelle Ross, Craig Newcomb, Karl Dailey, Tara Jackson, Charnita M Zeigler-Johnson, Harold Riethman, Charles C Branas, Timothy R Rebbeck
PURPOSE: Cancer results from complex interactions of multiple variables at the biologic, individual, and social levels. Compared to other levels, social effects that occur geospatially in neighborhoods are not as well-studied, and empiric methods to assess these effects are limited. We propose a novel Neighborhood-Wide Association Study(NWAS), analogous to genome-wide association studies(GWAS), that utilizes high-dimensional computing approaches from biology to comprehensively and empirically identify neighborhood factors associated with disease...
2017: PloS One
https://www.readbyqxmd.com/read/28346424/skp2-deficiency-restricts-the-progression-and-stem-cell-features-of-castration-resistant-prostate-cancer-by-destabilizing-twist
#7
D Ruan, J He, C-F Li, H-J Lee, J Liu, H-K Lin, C-H Chan
Castration-resistant prostate cancer (CRPC) remains a major clinical challenge because of the lack of effective targeted therapy for its treatment. The mechanism underlying how CRPC gains resistance toward hormone depletion and other forms of chemotherapy is poorly understood. Research on understanding the factors that drive these processes is desperately needed to generate new therapies to cure the disease. Here, we discovered a fundamental role of S-phase protein kinase 2 (Skp2) in the formation and progression of CRPC...
March 27, 2017: Oncogene
https://www.readbyqxmd.com/read/28346412/vista-is-an-inhibitory-immune-checkpoint-that-is-increased-after-ipilimumab-therapy-in-patients-with-prostate-cancer
#8
Jianjun Gao, John F Ward, Curtis A Pettaway, Lewis Z Shi, Sumit K Subudhi, Luis M Vence, Hao Zhao, Jianfeng Chen, Hong Chen, Eleni Efstathiou, Patricia Troncoso, James P Allison, Christopher J Logothetis, Ignacio I Wistuba, Manuel A Sepulveda, Jingjing Sun, Jennifer Wargo, Jorge Blando, Padmanee Sharma
To date, anti-CTLA-4 (ipilimumab) or anti-PD-1 (nivolumab) monotherapy has not been demonstrated to be of substantial clinical benefit in patients with prostate cancer. To identify additional immune-inhibitory pathways in the prostate-tumor microenvironment, we evaluated untreated and ipilimumab-treated tumors from patients in a presurgical clinical trial. Levels of the PD-L1 and VISTA inhibitory molecules increased on independent subsets of macrophages in treated tumors. Our data suggest that VISTA represents another compensatory inhibitory pathway in prostate tumors after ipilimumab therapy...
March 27, 2017: Nature Medicine
https://www.readbyqxmd.com/read/28346073/detection-of-clinically-significant-prostate-cancer-short-dual-pulse-sequence-versus-standard-multiparametric-mr-imaging-a-multireader-study
#9
Borna K Barth, Pieter J L De Visschere, Alexander Cornelius, Carlos Nicolau, Hebert Alberto Vargas, Daniel Eberli, Olivio F Donati
Purpose To compare the diagnostic performance of a short dual-pulse sequence magnetic resonance (MR) imaging protocol versus a standard six-pulse sequence multiparametric MR imaging protocol for detection of clinically significant prostate cancer. Materials and Methods This HIPAA-compliant study was approved by the regional ethics committee. Between July 2013 and March 2015, 63 patients from a prospectively accrued study population who underwent MR imaging of the prostate including transverse T1-weighted; transverse, coronal, and sagittal T2-weighted; diffusion-weighted; and dynamic contrast material-enhanced MR imaging with a 3-T imager at a single institution were included in this retrospective study...
March 27, 2017: Radiology
https://www.readbyqxmd.com/read/28345847/five-year-survival-is-not-a-useful-measure-for-cancer-control-in-the-population-an-analysis-based-on-uk-data
#10
Si Qi Li, Xiong Fei Pan, Michael Saheb Kashaf, Qing Ping Xue, Hui Jing Luo, Yan Yan Wang, Ying Wen, Chun Xia Yang
Background: Five-year survival is an important metric for progress in cancer control broadly used both in the cancer literature and by the public. In order to assess its validity and relation to other common metrics, we analyzed the relationship between 5-year survival, incidence and mortality using publicly available cancer registry data from England and Wales. Methods: Five-year survival, incidence and mortality data were obtained from the online database of a registered charity, Cancer Research UK. We extracted sex-specific age-standardized mortality, incidence, and 5-year survivalfor16 types of cancer over the period from 1976 to 1995...
February 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28345836/assessing-the-effect-of-waterpipe-smoking-on-cancer-outcome-a-systematic-review-of-current-evidence
#11
Kamran Habib Awan, Kamran Siddiqi, Shankargouda Patil, Quratul Ann Hussain
Background: Waterpipe smoking (WPS) is widely believed to be a safe and hazard-free tobacco habit. However, a number of studies have indicated that exposure to several toxicants and carcinogens through WPS is strongly related to serious health hazards. The current paper presents a narrative review on the effects of WPS on cancer outcome. Methods: The addressed focused question was “Is there an association between waterpipe smoking and cancer outcome?” PubMed, Medline, EMBASE, ISI Web of Science and the Cochrane databases were searched until June 2015 using the key words “Waterpipe”, “Hookah”, “Narghileh”, “Shisha”, “Hubbly Bubbly” “cancer” in various combinations...
February 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28345835/evolution-of-the-histo-epidemiological-profile-of-urological-cancers-in-togo
#12
Tchin Darré, Koué Folligan, Tchilabalo Matchonna Kpatcha, Kokou Kanassoua, Edoe Sewa, Sassil Daré, Kodjo Tengue, Koffi Amégbor, Gado Napo Koura
Background: Urological cancers are an important public health issue and pose problems with diagnosis and adequate management in developing countries. Our aim was to determine and report epidemiological and histological features of urological cancers in Togo. Materials and methods: A retrospective descriptive study was conducted of cases of urological cancers observed in the laboratory of pathological anatomy of the CHU Tokoin over the last 4 years (2012-2016). The parameters studied were frequency, age, sex, sites of development and histological type...
February 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28345504/the-association-between-dietary-inflammatory-index-scores-and-the-prevalence-of-colorectal-adenoma
#13
Alyson Haslam, Sara Wagner Robb, James R Hébert, Hanwen Huang, Michael D Wirth, Nitin Shivappa, Mark H Ebell
OBJECTIVE: The Dietary Inflammatory Index (DII)TM, which was developed to characterize the inflammatory potential of a person's diet, has been shown to be associated with inflammatory conditions such as cancer. The present study aimed to investigate the association between DII scores and colorectal adenoma (CRA), a pre-cancerous condition. DESIGN: Responses to baseline dietary questionnaires were used calculate DII scores. In a cross-sectional study design, the association between DII scores and CRA prevalence was determined in men and women separately using logistic regression models...
March 27, 2017: Public Health Nutrition
https://www.readbyqxmd.com/read/28345464/microrna-590-3p-promotes-cell-proliferation-and-invasion-by-targeting-inositol-polyphosphate-4-phosphatase-type-ii-in-human-prostate-cancer-cells
#14
Haiwen Chen, Qidong Luo, Hongliang Li
Inositol polyphosphate 4-phosphatase type II emerges as a tumor suppressor in prostate cancer, and its loss of expression is associated with poor prognosis for prostate cancer. However, the mechanism of downregulation of inositol polyphosphate 4-phosphatase type II in prostate cancer development has not yet been fully clarified. In this study, microRNA-590-3p was found to be upregulated in both prostate cancer tissues and cell lines. Overexpression of microRNA-590-3p by microRNA-590-3p mimics promoted prostate cancer cell proliferation and invasion and accelerated the growth of xenografted tumors, while microRNA-590-3p inhibitors contributed to inhibition of cellular proliferation and invasion as well as tumor growth...
March 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28345462/functional-interaction-of-fibroblast-growth-factor-8b-and-androgen-in-prostate-cancer-cell-proliferation
#15
Wen-Jun Xiao, Gui-Ming Zhang, Ding-Wei Ye
Fibroblast growth factor 8b and androgen play important roles in cell proliferation of prostate cancer. We investigated the effects of fibroblast growth factor 8b and androgen on the proliferation of prostate cell lines and the corresponding intracellular mechanisms. It is found that dihydrotestosterone and fibroblast growth factor 8b stimulated Lncap cell mitosis in a concentration-responsive manner, with 30 ng/mL as the most suitable concentration, respectively. Dihydrotestosterone treatment alone did not enhance the expression and phosphorylation level of fibroblast growth factor receptor but significantly enhanced the level of fibroblast growth factor receptor phosphorylation elicited by fibroblast growth factor 8b...
March 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28345444/budgetary-impact-of-cabazitaxel-use-after-docetaxel-treatment-for-metastatic-castration-resistant-prostate-cancer
#16
Kyle Flannery, Ed Drea, Louis Hudspeth, Shelby Corman, Xin Gao, Mei Xue, Raymond Miao
BACKGROUND: With the approval of several new treatments for metastatic castration-resistant prostate cancer (mCRPC), budgetary impact is a concern for health plan decision makers. Budget impact models (BIMs) are becoming a requirement in many countries as part of formulary approval or reimbursement decisions. Cabazitaxel is a second-generation taxane developed to overcome resistance to docetaxel and is approved for the treatment of patients with mCRPC previously treated with a docetaxel-containing regimen...
April 2017: Journal of Managed Care & Specialty Pharmacy
https://www.readbyqxmd.com/read/28345329/lycopene-extracts-from-different-tomato-based-food-products-induce-apoptosis-in-cultured-human-primary-prostate-cancer-cells-and-regulate-tp53-bax-and-bcl-2-transcript-expression
#17
Nathalia da Costa Pereira Soares, Clara Lima Machado, Bruno Boquimpani Trindade, Ingridy Celestino do Canto Lima, Etel Rodrigues Pereira Gimba, Anderson Junger Teodoro, Christina Takiya, Radovan Borojevic
Carotenoids are the main tomato components, especially lycopene. Lycopene is more bioavailable in tomato processed products than in raw tomatos, since formation of lycopene cis-isomers during food processing and storage may increase its biological activity. In the current study, we evaluated the influence of lycopene extracts (5 mg / mL) from different tomato-based food products (paste, sauce, extract and ketchup) on cell viability and apoptosis on primary human prostate cancer cells (PCa cels) for 96h. Using MTT assay, we observed a significant decrease on primary PCa cell viability upon treatment with lycopene extracted from either 4 tomato-based food products...
February 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28345187/novel-biomarkers-for-prostate-cancer-an-evidence-based-review-for-use-in-clinical-practice
#18
REVIEW
Vikram M Narayan, Badrinath R Konety, Christopher Warlick
Prostate cancer is a heterogeneous disease with disparate outcomes. Traditional clinical parameters are limited in their ability to differentiate between these cases, and there is uncertainty regarding management strategies. A number of novel biomarkers have emerged, but how best to use them at the point of care remains confusing. In the present review, we describe the most common novel biomarkers, their key supporting literature, and propose a meaningful algorithm for their use in clinical practice. To identify commercially available prostate cancer diagnostic tests, we carried out a PubMed literature search (through May 2016)...
March 27, 2017: International Journal of Urology: Official Journal of the Japanese Urological Association
https://www.readbyqxmd.com/read/28345023/enhancement-of-psma-directed-car-adoptive-immunotherapy-by-pd-1-pd-l1-blockade
#19
Inna Serganova, Ekaterina Moroz, Ivan Cohen, Maxim Moroz, Mayuresh Mane, Juan Zurita, Larissa Shenker, Vladimir Ponomarev, Ronald Blasberg
Chimeric antigen receptor (CAR) T cell therapy in hematologic malignancies has shown remarkable responses, but the same level of success has not been observed in solid tumors. A new prostate cancer model (Myc-CaP:PSMA(+)) and a second-generation anti-hPSMA human CAR T cells expressing a Click Beetle Red luciferase reporter) were used to study hPSMA targeting and assess CAR T cell trafficking and persistence by bioluminescence imaging (BLI). We investigated the antitumor efficacy of human CAR T cells targeting human prostate-specific membrane antigen (hPSMA), in the presence and absence of the target antigen; first alone and then combined with a monoclonal antibody targeting the human programmed death receptor 1 (anti-hPD1 mAb)...
March 17, 2017: Molecular Therapy Oncolytics
https://www.readbyqxmd.com/read/28344825/identification-of-filamin-a-and-b-as-potential-biomarkers-for-prostate-cancer
#20
Niven R Narain, Anne R Diers, Arleide Lee, Socheata Lao, Joyce Y Chan, Sally Schofield, Joe Andreazi, Rakibou Ouro-Djobo, Joaquin J Jimenez, Tracey Friss, Nikunj Tanna, Aditee Dalvi, Sihe Wang, Dustin Bunch, Yezhou Sun, Wenfang Wu, Khampaseuth Thapa, Stephane Gesta, Leonardo O Rodrigues, Viatcheslav R Akmaev, Vivek K Vishnudas, Rangaprasad Sarangarajan
AIM: A novel strategy for prostate cancer (PrCa) biomarker discovery is described. MATERIALS & METHODS: In vitro perturbation biology, proteomics and Bayesian causal analysis identified biomarkers that were validated in in vitro models and clinical specimens. RESULTS: Filamin-B (FLNB) and Keratin-19 were identified as biomarkers. Filamin-A (FLNA) was found to be causally linked to FLNB. Characterization of the biomarkers in a panel of cells revealed differential mRNA expression and regulation...
March 2017: Future Science OA
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