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Prostate cancer screening

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https://www.readbyqxmd.com/read/28647216/characteristics-of-prostate-cancer-found-at-fifth-screening-in-the-european-randomized-study-of-screening-for-prostate-cancer-rotterdam-can-we-selectively-detect-high-grade-prostate-cancer-with-upfront-multivariable-risk-stratification-and-magnetic-resonance
#1
Arnout R Alberts, Ivo G Schoots, Leonard P Bokhorst, Frank-Jan H Drost, Geert J van Leenders, Gabriel P Krestin, Roy S Dwarkasing, Jelle O Barentsz, Fritz H Schröder, Chris H Bangma, Monique J Roobol
BACKGROUND: The harm of screening (unnecessary biopsies and overdiagnosis) generally outweighs the benefit of reducing prostate cancer (PCa) mortality in men aged ≥70 yr. Patient selection for biopsy using risk stratification and magnetic resonance imaging (MRI) may improve this benefit-to-harm ratio. OBJECTIVE: To assess the potential of a risk-based strategy including MRI to selectively identify men aged ≥70 yr with high-grade PCa. DESIGN, SETTING, AND PARTICIPANTS: Three hundred and thirty-seven men with prostate-specific antigen ≥3...
June 21, 2017: European Urology
https://www.readbyqxmd.com/read/28643286/identifying-primary-care-physicians-continuing-education-needs-by-examining-clinical-practices-attitudes-and-barriers-to-screening-across-multiple-cancers
#2
Brenna Lynn, Alexandra Hatry, Chloe Burnett, Lisa Kan, Tunde Olatunbosun, Bob Bluman
Population-based cancer screening for cervical, breast, and colorectal cancers improves patient outcomes, yet screening rates remain low for some cancers. Despite studies investigating physician perceptions and practices for screening, many have focused on individual cancers and lack primary care physicians' (PCPs) realities around screening for multiple cancers. We surveyed 887 PCPs in British Columbia (BC) to examine practices, beliefs, barriers, and learning needs towards cancer screening across breast, cervical, colorectal, prostate, as well as hereditary predisposition to cancer...
June 22, 2017: Journal of Cancer Education: the Official Journal of the American Association for Cancer Education
https://www.readbyqxmd.com/read/28639202/suppression-of-prostate-cancer-metastasis-by-dpysl3-targeted-sarna
#3
Benyi Li, Changlin Li
Metastasis is the sole cause of cancer death and there is no curable means in clinic. Cellular protein CRMP4 (DPYSL3 gene) was previously defined as a metastasis suppressor in human prostate cancers since its expression is dramatically reduced in lymphatic metastatic diseases and DPYSL3 overexpression in prostate cancer cells significantly suppressed cancer cell migration and invasion. To develop a CRMP4-based antimetastasis therapeutic approach, the small activating RNA (saRNA) technique was utilized to enhance CRMP4 expression in prostate cancer cells...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28627741/proteomics-approach-to-identify-novel-metastatic-bone-markers-from-the-secretome-of-pc-3-prostate-cancer-cells
#4
EunJi Sung, Oh Kwang Kwon, Jae-Mok Lee, Sangkyu Lee
Prostate cancer is the leading type of cancer diagnosed, and the most frequent cause of worldwide male cancer-related deaths annually. The limitations of current prostate cancer screening tests demand the identification of novel biomarkers for the early diagnosis of prostate cancer bone metastasis. In the present study, we performed a proteomic analysis of secreted proteins from the prostate cancer bone metastasis cell line, PC-3, and the normal prostate cell line, RWPE-1. We thus quantified 917 proteins, of which 68 were found to be secreted at higher levels by PC-3 than by RWPE-1 cells via LC-MS/MS...
June 19, 2017: Electrophoresis
https://www.readbyqxmd.com/read/28625690/what-have-patients-been-hearing-from-providers-since-the-2012-uspstf-recommendation-against-routine-prostate-cancer-screening
#5
Mohammad Rifat Haider, Zaina P Qureshi, Ronnie Horner, Daniela B Friedman, Charles Bennett
BACKGROUND: In this study we aimed to determine the relationship between prostate-specific antigen (PSA)-related information obtained from the provider and PSA test uptake. With recent focus on patient-provider communication (PC) and the guidelines recommending against PSA tests for prostate cancer (PCa), PC regarding the PSA test might affect PSA screening rates. MATERIALS AND METHODS: We used the fourth edition of the Health Information National Trends Survey, a nationally-representative US survey on the use of cancer-related information...
May 10, 2017: Clinical Genitourinary Cancer
https://www.readbyqxmd.com/read/28621943/natural-products-discovered-in-a-high-throughput-screen-identified-as-inhibitors-of-rgs17-and-as-cytostatic-and-cytotoxic-agents-for-lung-and-prostate-cancer-cell-lines
#6
Christopher R Bodle, Duncan I Mackie, Michael P Hayes, Josephine H Schamp, Michael R Miller, Michael D Henry, Jonathan A Doorn, Jon C D Houtman, Michael A James, David L Roman
Regulator of G Protein Signaling (RGS) 17 is an overexpressed promoter of cancer survival in lung and prostate tumors, the knockdown of which results in decreased tumor cell proliferation in vitro. Identification of drug-like molecules inhibiting this protein could ameliorate the RGS17's pro-tumorigenic effect. Using high-throughput screening, a chemical library containing natural products was interrogated for inhibition of the RGS17-Gαo interaction. Initial hits were verified in control and counter screens...
June 16, 2017: Journal of Natural Products
https://www.readbyqxmd.com/read/28620736/revisiting-prostate-cancer-screening-practices-among-vermont-primary-care-physicians
#7
Laura Donnelly, Kevan M Sternberg, Takamaru Ashikaga, Mark K Plante, Scott D Perrapato
The objective of this study was to assess the prostate cancer screening practices of Vermont primary care physicians and compare them with a prior study in 2001. An electronic survey was created and emailed to all currently practicing primary care physicians in Vermont. Data was stratified by practice length, practice location, university affiliation, and internal medicine versus family practice. Surveys were received from 123 (27.2%) primary care physicians. 27.7% of physicians in practice <10 years recommended prostate specific antigen (PSA) testing, compared with 55...
June 15, 2017: Journal of Community Health
https://www.readbyqxmd.com/read/28614680/prostate-cancer-screening
#8
LETTER
Paul F Pinsky, Philip C Prorok, Barnett J Kramer
New England Journal of Medicine, Volume 376, Issue 24, Page 2401-2402, June 2017.
June 15, 2017: New England Journal of Medicine
https://www.readbyqxmd.com/read/28614679/prostate-cancer-screening
#9
LETTER
Patrick C Walsh
No abstract text is available yet for this article.
June 15, 2017: New England Journal of Medicine
https://www.readbyqxmd.com/read/28614085/a-multiparametric-approach-to-improve-upon-existing-prostate-cancer-screening-and-biopsy-recommendations
#10
Brian T Helfand, Carly A Conran, Jianfeng Xu, William J Catalona
PURPOSE OF REVIEW: To provide an overview of how genetic, serum, and urine biomarkers can help identify men at high risk for prostate cancer (PCa) and aggressive disease and men who would benefit from prostate biopsy. RECENT FINDINGS: Screening for PCa is controversial because of concerns about overdiagnosis and overtreatment of nonlife-threatening tumors. Therefore, an approach to screening that includes a detailed family history with genetic testing of risk single nucleotide polymorphisms and high-penetrance genetic variants should be considered...
June 12, 2017: Current Opinion in Urology
https://www.readbyqxmd.com/read/28613202/-comparison-of-two-on-line-risk-calculators-versus-the-detection-of-circulating-prostate-cells-for-the-detection-of-high-risk-prostate-cancer-at-first-biopsy
#11
Nigel P Murray, Cynthia Fuentealba, Eduardo Reyes, Omar Jacob
OBJECTIVE: The limitations of total serum PSA values remains problematic; nomograms may improve the prediction of a positive prostate biopsy (PB). We compare in a prospective study of Chilean men with suspicion of prostate cancer due to an elevated total serum PSA and/or abnormal digital rectal examination, the use of two on-line nomograms with the detection of primary malignant circulating prostate cells (CPCs) to predict a positive PB for high risk prostate cancer. METHODS: Consecutive men with suspicion of prostate cancer underwent 12 core TRUS prostate biopsy...
June 2017: Archivos Españoles de Urología
https://www.readbyqxmd.com/read/28611215/genome-wide-crispr-screen-identifies-hnrnpl-as-a-prostate-cancer-dependency-regulating-rna-splicing
#12
Teng Fei, Yiwen Chen, Tengfei Xiao, Wei Li, Laura Cato, Peng Zhang, Maura B Cotter, Michaela Bowden, Rosina T Lis, Shuang G Zhao, Qiu Wu, Felix Y Feng, Massimo Loda, Housheng Hansen He, X Shirley Liu, Myles Brown
Alternative RNA splicing plays an important role in cancer. To determine which factors involved in RNA processing are essential in prostate cancer, we performed a genome-wide CRISPR/Cas9 knockout screen to identify the genes that are required for prostate cancer growth. Functional annotation defined a set of essential spliceosome and RNA binding protein (RBP) genes, including most notably heterogeneous nuclear ribonucleoprotein L (HNRNPL). We defined the HNRNPL-bound RNA landscape by RNA immunoprecipitation coupled with next-generation sequencing and linked these RBP-RNA interactions to changes in RNA processing...
June 13, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28609648/when-no-treatment-is-the-best-treatment-active-surveillance-strategies-for-low-risk-prostate-cancers
#13
REVIEW
V Stavrinides, C C Parker, C M Moore
Although the incidence of prostate cancer is rising due to PSA screening and increased life expectancy, the metastatic potential of low-grade, organ-confined disease remains low. An increasing number of studies suggest that radical treatment in such cases confers little or no survival benefit at a significant cost to morbidity. Active surveillance is a promising management approach of such low-risk cancers: eligible patients are selected based on clinical and pathological findings at diagnosis and are regularly monitored with digital rectal examinations, PSA testing and biopsies...
May 23, 2017: Cancer Treatment Reviews
https://www.readbyqxmd.com/read/28607597/psa-and-prostate-health-index-based-prostate-cancer-screening-in-a-hereditary-migration-complicated-population-implications-in-precision-diagnosis
#14
Mariyam Akizhanova, Elzira E Iskakova, Valdemir Kim, Xiao Wang, Roman Kogay, Aiym Turebayeva, Qinglei Sun, Ting Zheng, Shenghui Wu, Lixia Miao, Yingqiu Xie
Precision diagnosis requires specific markers for differential ethnic populations. Prostate-Specific Antigen (PSA) level (threshold of 4ng/ml) has been widely used to screen prostate cancer and as reference of pro-biopsy but false diagnosis frequently occurs. Prostate health Index (PHI) is a new diagnosis marker which combines PSA, free PSA and p2PSA4. Overall the PCa screening database is lacking in Kazakhstani patients. We analyzed the PSA levels and Gleason scores of 222 biopsies collected in 2015 in Almaty area, Kazakhstan approved by institutional ethics board...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28602712/prevalence-of-self-reported-falls-balance-or-walking-problems-in-older-cancer-survivors-from-surveillance-epidemiology-and-end-results-medicare-health-outcomes-survey
#15
Min H Huang, Jennifer Blackwood, Monica Godoshian, Lucinda Pfalzer
OBJECTIVE: To determine the prevalence of falls and balance/walking problems in the past 12months among older cancer survivors before and after cancer diagnosis. MATERIALS AND METHODS: We analyzed cross-sectional data from individuals aged ≥65years with first primary cancer from the Surveillance, Epidemiology, and End Results and Medicare Health Outcomes Survey (SEER-MHOS) linkage (n=12,659). The first MHOS completed by each survivor from 0 to 2years before cancer diagnosis to 1-4years after cancer diagnosis were included...
June 8, 2017: Journal of Geriatric Oncology
https://www.readbyqxmd.com/read/28599761/racial-disparity-in-localized-prostate-cancer-mortality
#16
Haichang Xin
This study aims to examine racial differences in all-cause mortality between African American (AA) and non-African American localized prostate cancer patients. This study advances academic discussion by being among the first to use a sample more representative of the general population that is different from certain subpopulations examined in literature. This study adopted a retrospective cohort study design using the Florida Cancer Data System. The hierarchical logistic regression was employed to analyze mortality in 2004 among living patients with localized prostate cancer from baseline 2000...
July 2017: Journal of the National Medical Association
https://www.readbyqxmd.com/read/28595942/multicomponent-access-to-androstano-arylpyrimidines-under-microwave-conditions-and-evaluation-of-their-anti-cancer-activity-in-vitro
#17
Ádám Baji, Tamás Kiss, János Wölfling, Dávid Kovács, Nóra Igaz, Mohana Krishna Gopisetty, Mónika Kiricsi, Éva Frank
Novel ring D- and A-fused pyrimidines in the androstane series were efficiently synthesized within 10-15min in polar protic solvents under microwave irradiation via two kinds of multicomponent heterocyclization reactions followed by spontaneous or promoted oxidation. The rates of the one-pot catalyst-free transformations of steroidal β-ketoaldehydes, ammonium acetate and substituted benzaldehydes in EtOH were found to be affected slightly by the steric and electronic feature of the substituents on the aromatic ring of the arylaldehyde component and the different reactivities of rings D and A of the sterane core...
June 5, 2017: Journal of Steroid Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/28595934/secular-trends-in-prostate-biopsy-criteria-and-outcomes-the-dartmouth-experience
#18
Lael Reinstatler, Cody Rissman, John D Seigne, Elias S Hyams
OBJECTIVE: To evaluate trends in prostate biopsy and prostate cancer diagnosis at a center with conservative baseline screening practices in the pre- and post-2012 era. More restrictive prostate-specific antigen (PSA) screening guidelines have led to lower rates of screening, biopsy and diagnosis of prostate cancer post-2012. It is not clear, however, how regions with low baseline screening rates (e.g. the Lebanon, NH hospital referral region centered on Dartmouth-Hitchcock Medical Center, with the lowest rate of screening among Medicare patients in 2012) have responded these guidelines...
June 5, 2017: Urology
https://www.readbyqxmd.com/read/28592379/comprehensive-geriatric-assessment-in-men-aged-70-years-or-older-with-localised-prostate-cancer-undergoing-radical-radiotherapy
#19
G E C Osborne, S A Appleyard, D C Gilbert, C I Jones, C Lorimer, M Villanueva, E Peasgood, A Robinson, A Nikapota, A Ring
AIMS: Treatment decisions for men aged 70 years or over with localised prostate cancer need to take into account the risk of death from competing causes and fitness for the proposed treatment. Objective assessments such as those included in a comprehensive geriatric assessment (CGA) might help to inform the decision-making process. The aim of this study was to describe the CGA scores of a cohort of older men with prostate cancer, evaluate potential screening tools in this population and assess whether any CGA component predicts significant acute radiotherapy toxicity...
June 4, 2017: Clinical Oncology: a Journal of the Royal College of Radiologists
https://www.readbyqxmd.com/read/28592290/dna-methylation-based-chromatin-compartments-and-chip-seq-profiles-reveal-transcriptional-drivers-of-prostate-carcinogenesis
#20
Poppy Simmonds, Erick Loomis, Edward Curry
BACKGROUND: Profiles of DNA methylation of many tissues relevant in human disease have been obtained from microarrays and are publicly available. These can be used to generate maps of chromatin compartmentalization, demarcating open and closed chromatin across the genome. Additionally, large sets of genome-wide transcription factor binding profiles have been made available thanks to ChIP-seq technology. METHODS: We have identified genomic regions with altered chromatin compartmentalization in prostate adenocarcinoma tissue relative to normal prostate tissue, using DNA methylation microarray data from The Cancer Genome Atlas...
June 7, 2017: Genome Medicine
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