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Screening in prostate cancer

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https://www.readbyqxmd.com/read/27921025/prostate-specific-antigen-rising-in-iranian-men-in-correlation-with-body-mass-index-fasting-blood-sugar-and-blood-lipid-profile
#1
Davood Arab, Arash Ardestani Zadeh, Majid Mirmohammadkhani, Azadeh Beiglarzadeh
BACKGROUND: Prostate-specific antigen (PSA) is a serine protease that is secreted by prostate cells and it is useful as a tumor marker for prostate cancer. OBJECTIVES: In this study, the relationship between some of metabolic factors and serum PSA level was investigated. MATERIALS AND METHODS: In this cross-sectional study, patients with urinary symptoms or for screening of the prostate cancer (after 50 years of age or 40 years with a family history of prostate cancer), were evaluated...
October 2016: Journal of Nephropathology
https://www.readbyqxmd.com/read/27920558/monitoring-the-effects-of-doxorubicin-on-3d-spheroid-tumor-cells-in-real-time
#2
NamHuk Baek, Ok Won Seo, MinSung Kim, John Hulme, Seong Soo A An
Recently, increasing numbers of cell culture experiments with 3D spheroids presented better correlating results in vivo than traditional 2D cell culture systems. 3D spheroids could offer a simple and highly reproducible model that would exhibit many characteristics of natural tissue, such as the production of extracellular matrix. In this paper numerous cell lines were screened and selected depending on their ability to form and maintain a spherical shape. The effects of increasing concentrations of doxorubicin (DXR) on the integrity and viability of the selected spheroids were then measured at regular intervals and in real-time...
2016: OncoTargets and Therapy
https://www.readbyqxmd.com/read/27920082/doctors-perspectives-on-psa-testing-illuminate-established-differences-in-prostate-cancer-screening-rates-between-australia-and-the-uk-a-qualitative-study
#3
Kristen Pickles, Stacy M Carter, Lucie Rychetnik, Vikki A Entwistle
OBJECTIVES: To examine how general practitioners (GPs) in the UK and GPs in Australia explain their prostate-specific antigen (PSA) testing practices and to illuminate how these explanations are similar and how they are different. DESIGN: A grounded theory study. SETTING: Primary care practices in Australia and the UK. PARTICIPANTS: 69 GPs in Australia (n=40) and the UK (n=29). We included GPs of varying ages, sex, clinical experience and patient populations...
December 5, 2016: BMJ Open
https://www.readbyqxmd.com/read/27918312/physician-patient-communication-is-associated-with-hepatocellular-carcinoma-screening-in-chronic-liver-disease-patients
#4
Deborah J Li, Yikyung Park, Neeta Vachharajani, Wint Yan Aung, Jacqueline Garonzik-Wang, William C Chapman
BACKGROUND: Patients with chronic liver disease are at high risk for developing liver cancer. Factors associated with screening awareness and doctor-patient communication regarding liver cancer were examined. STUDY: Four hundred sixty-seven patients with chronic liver disease at a tertiary-care clinic participated in a phone survey regarding awareness of cancer screening, doctor-patient communication, and health behaviors. Medical records were retrospectively reviewed for data on liver disease etiology and dates of liver imaging tests...
December 1, 2016: Journal of Clinical Gastroenterology
https://www.readbyqxmd.com/read/27915475/how-precisely-can-prostate-cancer-be-managed
#5
REVIEW
Liyan Zhuang, Matthew T Johnson
Progress has been made in applying genetic information to disease management in the postgenomic era, and precision medicine is emerging in prostate cancer management. The prostate health index, the 4-kallikrein (4K) score, and the PCA3, TMPRSS2- ERG, and Prostarix tests have potential for refining prostate cancer screening in conjunction with traditional prostate-specific antigen testing. The Confirm MDx and PCA3 tests have shown promise in identifying men who need be rebiopsied after a primary negative biopsy...
November 2016: International Neurourology Journal
https://www.readbyqxmd.com/read/27915474/racial-differences-in-the-diagnosis-and-treatment-of-prostate-cancer
#6
REVIEW
Giuliano Di Pietro, Ganna Chornokur, Nagi B Kumar, Chemar Davis, Jong Y Park
Disparities between African American and Caucasian men in prostate cancer (PCa) diagnosis and treatment in the United States have been well established, with significant racial disparities documented at all stages of PCa management, from differences in the type of treatment offered to progression-free survival or death. These disparities appear to be complex in nature, involving biological determinants as well as socioeconomic and cultural aspects. We present a review of the literature on racial disparities in the diagnosis of PCa, treatment, survival, and genetic susceptibility...
November 2016: International Neurourology Journal
https://www.readbyqxmd.com/read/27914715/prostate-cancer-in-young-adults-seventeen-year-clinical-experience-of-a-single-center
#7
Tzu-Hao Huang, Junne-Yih Kuo, Yi-Hsiu Huang, Hsiao-Jen Chung, William J S Huang, Howard H H Wu, Yen-Hwa Chang, Alex T L Lin, Kuang-Kuo Chen
BACKGROUND: In the general population, prostate adenocarcinoma affects predominately older men. If fact, most current guidelines suggest that males over the age of 50 years should undergo prostate cancer screening. However, the clinical behavior and prognosis of prostate cancer in young adults is not well defined. The aim of this study was to evaluate the clinical behavior, pathological characteristics, and prognosis of prostate cancer in young adults. METHODS: We retrospectively reviewed the records of young patients (age, ≤50 years) in our hospital with prostate adenocarcinoma between 1997 and 2013...
November 30, 2016: Journal of the Chinese Medical Association: JCMA
https://www.readbyqxmd.com/read/27914560/diagnosis-and-treatment-of-testosterone-deficiency-recommendations-from-the-fourth-international-consultation-for-sexual-medicine-icsm%C3%A2-2015
#8
Mohit Khera, Ganesh Adaikan, Jacques Buvat, Serge Carrier, Amr El-Meliegy, Kostas Hatzimouratidis, Andrew McCullough, Abraham Morgentaler, Luiz Otavio Torres, Andrea Salonia
INTRODUCTION: Testosterone deficiency (TD), also known as hypogonadism, is a condition affecting a substantial proportion of men as they age. The diagnosis and management of TD can be challenging and clinicians should be aware of the current literature on this condition. AIM: To review the available literature concerning the diagnosis and management of TD and to provide clinically relevant recommendations from the Fourth International Consultation for Sexual Medicine (ICSM) meeting...
December 2016: Journal of Sexual Medicine
https://www.readbyqxmd.com/read/27913398/cancer-burden-with-ageing-population-in-urban-regions-in-china-projection-on-cancer-registry-data-from-world-health-organization
#9
REVIEW
Kelvin K F Tsoi, Hoyee W Hirai, Felix C H Chan, Sian Griffiths, Joseph J Y Sung
BACKGROUND: China is facing the challenges of an expanding ageing population and the impact of rapid urbanization, cancer rates are subsequently increasing. This study focuses on the changes of the ageing population and projects the incidence of common ageing-related cancers in the urban regions in China up to 2030. SOURCES OF DATA: Cancer incidence data and population statistics in China were extracted from the International Agency for Research on Cancer. AREAS OF AGREEMENT: Due to improving longevity in China, continuous and remarkable increasing trends for the lung, colorectal and prostate cancers are expected...
December 1, 2016: British Medical Bulletin
https://www.readbyqxmd.com/read/27911486/extended-mortality-results-for-prostate-cancer-screening-in-the-plco-trial-with-median-follow-up-of-15-years
#10
Paul F Pinsky, Philip C Prorok, Kelly Yu, Barnett S Kramer, Amanda Black, John K Gohagan, E David Crawford, Robert L Grubb, Gerald L Andriole
BACKGROUND: Two large-scale prostate cancer screening trials using prostate-specific antigen (PSA) have given conflicting results in terms of the efficacy of such screening. One of those trials, the Prostate, Lung, Colorectal, and Ovarian (PLCO) Cancer Screening Trial, previously reported outcomes with 13 years of follow-up. This study presents updated findings from the PLCO trial. METHODS: The PLCO trial randomized subjects from 1993 to 2001 to an intervention or control arm...
December 1, 2016: Cancer
https://www.readbyqxmd.com/read/27909906/obesity-and-prostate-cancer
#11
Yin Cao, Edward Giovannucci
Prostate cancer is a complex, heterogeneous disease. Factors related to detection, particularly PSA screening, further increase heterogeneity in the manifestation of the disease. It is thus not possible to provide a simple summary of the relationship between obesity and prostate cancer. Findings on obesity, often defined using body mass index (BMI), and total prostate cancer risk have been mixed; however, obesity is relatively consistently associated with a higher risk of aggressive prostate cancer, with aggressiveness defined in various ways (e...
2016: Recent Results in Cancer Research
https://www.readbyqxmd.com/read/27903809/the-bimanual-ovarian-palpation-examination-in-the-prostate-lung-colorectal-and-ovarian-cancer-screening-trial-performance-and-complications
#12
Maryam Doroudi, Barnett S Kramer, Paul F Pinsky
OBJECTIVE: To provide evidence about the performance characteristics and consequences of bimanual ovarian palpation. SETTING AND METHODS: The Prostate, Lung, Colorectal and Ovarian cancer screening trial randomized 154,900 individuals to either an intervention or control arm. Enrolled eligible participants were aged 55-74, had no history of trial cancers, and no current treatment for cancer. Intervention arm women received CA-125 tests and transvaginal ultrasound...
November 30, 2016: Journal of Medical Screening
https://www.readbyqxmd.com/read/27899381/castration-resistance-in-prostate-cancer-is-mediated-by-the-kinase-nek6
#13
Atish D Choudhury, Anna C Schinzel, Maura B Cotter, Rosina T Lis, Katherine Labella, Ying Jie Lock, Francesca Izzo, Isil Guney, Michaela Bowden, Yvonne Y Li, Jinal Patel, Emily Hartman, Steven A Carr, Monica Schenone, Jacob D Jaffe, Philip W Kantoff, Peter S Hammerman, William C Hahn
In prostate cancer, the development of castration resistance is pivotal in progression to aggressive disease. However, understanding of the pathways involved remains incomplete. In this study, we performed a high-throughput genetic screen to identify kinases that enable tumor formation by androgen-dependent prostate epithelial (LHSR-AR) cells under androgen-deprived conditions. In addition to the identification of known mediators of castration resistance, which served to validate the screen, we identified a mitotic-related serine/threonine kinase, NEK6, as a mediator of androgen-independent tumor growth...
November 29, 2016: Cancer Research
https://www.readbyqxmd.com/read/27899188/familial-prostate-cancer
#14
Veda N Giri, Jennifer L Beebe-Dimmer
Prostate cancer is the most commonly diagnosed cancer among men in the United States as well as most Western countries. A significant proportion of men report having a positive family history of prostate cancer in a first-degree relative (father, brother, son), which is important in that family history is one of the only established risk factors for the disease and plays a role in decision-making for prostate cancer screening. Familial aggregation of prostate cancer is considered a surrogate marker of genetic susceptibility to developing the disease, but shared environment cannot be excluded as an explanation for clustering of cases among family members...
October 2016: Seminars in Oncology
https://www.readbyqxmd.com/read/27897172/adaptation-and-external-validation-of-the-european-randomised-study-of-screening-for-prostate-cancer-risk-calculator-for-the-chinese-population
#15
P K Chiu, M J Roobol, D Nieboer, J Y Teoh, S K Yuen, S M Hou, M K Yiu, C F Ng
BACKGROUND: To adapt the well-performing European Randomized Study of Screening for Prostate Cancer (ERSPC) risk calculator to the Chinese setting and perform an external validation. METHODS: The original ERSPC risk calculator 3 (RC3) for prostate cancer (PCa) and high-grade PCa (HGPCa) was applied to a development cohort of 3006 previously unscreened Hong Kong Chinese men with initial transrectal biopsies performed from 1997 to 2015, age 50-80 years, PSA 0.4-50 ng ml(-1) and prostate volume 10-150 ml...
November 29, 2016: Prostate Cancer and Prostatic Diseases
https://www.readbyqxmd.com/read/27897049/using-text-messages-to-promote-health-in-african-americans-hearthealthyandcancerfree
#16
Allison R Jones, Debra K Moser, Jennifer Hatcher
OBJECTIVES: African-Americans are vulnerable to both cancer and cardiovascular disease (CVD) due to intricately connected risk factors. Use of text messages is an innovative method to provide health information to reduce these risks. The aim of this study was to test the feasibility and acceptability of a text messaging intervention to reduce CVD and cancer risk factors in African-Americans. DESIGN: We developed an intervention using text messages culturally tailored for African-Americans over age 50 who were at risk (one or more modifiable risk factors) for CVD and/or cancer...
November 29, 2016: Ethnicity & Health
https://www.readbyqxmd.com/read/27891324/high-throughput-cell-based-compound-screen-identifies-pinosylvin-methyl-ether-and-tanshinone-iia-as-inhibitors-of-castration-resistant-prostate-cancer
#17
Kirsi Ketola, Miro Viitala, Pekka Kohonen, Vidal Fey, Zoran Culig, Olli Kallioniemi, Kristiina Iljin
Current treatment options for castration-resistant prostate cancer (CRPC) are limited. In this study, a high-throughput screen of 4910 drugs and drug-like molecules was performed to identify antiproliferative compounds in androgen ablated prostate cancer cells. The effect of compounds on cell viability was compared in androgen ablated LNCaP prostate cancer cells and in LNCaP cells grown in presence of androgens as well as in two non-malignant prostate epithelial cells (RWPE-1 and EP156T). Validation experiments of cancer specific anti-proliferative compounds indicated pinosylvin methyl ether (PSME) and tanshinone IIA as potent inhibitors of androgen ablated LNCaP cell proliferation...
March 30, 2016: Journal of Molecular Biochemistry
https://www.readbyqxmd.com/read/27889661/what-explains-the-differences-between-centres-in-the-european-screening-trial-a-simulation-study
#18
Jaakko Nevalainen, Ulf-Håkan Stenman, Teuvo L Tammela, Monique Roobol, Sigrid Carlsson, Kirsi Talala, Fritz H Schröder, Anssi Auvinen
BACKGROUND: The European Randomised study of Screening for Prostate Cancer (ERSPC) is a multicentre, randomised screening trial on men aged 55-69 years at baseline without known prostate cancer (PrCa) at randomisation to an intervention arm invited to screening or to a control arm. The ERSPC has shown a significant 21% reduction in PrCa mortality at 13 years of follow-up. The effect of screening appears to vary across centres, for which several explanations are possible. We set to assess if the apparent differences in PrCa mortality reduction between the centres can be explained by differences in screening protocols...
November 24, 2016: Cancer Epidemiology
https://www.readbyqxmd.com/read/27883257/determining-the-binding-affinities-of-prostate-specific-antigen-to-lectins-spr-and-microarray-approaches
#19
Pavel Damborský, Martina Zámorová, Jaroslav Katrlík
Prostate cancer (PCa) is one of the most common newly diagnosed cancer among men and we focused on its traditional biomarker, prostate-specific antigen (PSA), using targeted glycomics-based strategies. The aberrant glycosylation pattern of PSA may serve as valuable tool for improving PCa diagnosis including its early-stage. In the present work we evaluated the usability of two techniques, surface plasmon resonance and protein microarray assay, for the study and characterization of interactions of PSA (both free and complexed) with 6 lectins (SNA, ConA, RCA, AAL, WGA and MAA II)...
November 24, 2016: Proteomics
https://www.readbyqxmd.com/read/27882638/anxiety-symptoms-prior-to-a-prostate-cancer-diagnosis-associations-with-knowledge-and-openness-to-treatment
#20
Amanda J Dillard, Laura D Scherer, Peter A Ubel, Stewart Alexander, Angela Fagerlin
AIM: Research suggests that anxiety may be a common response to a cancer diagnosis, but research is needed to examine anxiety before diagnosis. Anxiety before diagnosis may relate to the comprehension of relevant health information or openness to potential treatments. This study examined anxiety and these outcomes in men who were waiting to learn of a prostate cancer diagnosis. OBJECTIVES: One goal of this study was to determine whether anxiety would increase as men came closer to learning the results of their prostate cancer biopsy...
November 24, 2016: British Journal of Health Psychology
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