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https://www.readbyqxmd.com/read/28645133/-new-aspects-in-treatment-of-metastatic-prostate-cancer
#1
Gunhild von Amsberg, Carsten Bokemeyer
No abstract text is available yet for this article.
June 23, 2017: Deutsche Medizinische Wochenschrift
https://www.readbyqxmd.com/read/28644961/bisphenol-a-and-other-environmental-risk-factors-for-prostate-cancer-in-hong-kong
#2
Lap Ah Tse, Priscilla Ming Yi Lee, Wing Ming Ho, Augustine Tsan Lam, Man Kei Lee, Simon Siu Man Ng, Yonghua He, Ka-Sing Leung, Jennifer C Hartle, Howard Hu, Haidong Kan, Feng Wang, Chi Fai Ng
BACKGROUND: Environmental exposures are contributing factors to prostate cancer etiology, but these remain unclear. We aimed to document the associations between environmental risk factors and prostate cancer in Chinese, with special reference to bisphenol A (BPA). METHODS: We recruited 431 newly diagnosed prostate cancer cases and 402 age-matched controls from Prince of Wales Hospital in Hong Kong. We obtained each participant's clinical data and epidemiological information on chronic BPA exposure and other environmental risk factors (e...
June 20, 2017: Environment International
https://www.readbyqxmd.com/read/28644701/comparison-between-briganti-partin-and-mskcc-tools-in-predicting-positive-lymph-nodes-in-prostate-cancer-a-systematic-review-and-meta-analysis
#3
Sebastiano Cimino, Giulio Reale, Tommaso Castelli, Vincenzo Favilla, Raimondo Giardina, Giorgio Ivan Russo, Salvatore Privitera, Giuseppe Morgia
OBJECTIVE: The aim of this study was to analyze the discriminative capabilities of Briganti, Partin and Memorial Sloan Kettering Cancer Center (MSKCC) nomograms in predicting lymph-node invasion (LNI) and to perform a meta-analysis to yield pooled area under the receiver operating characteristics curves (AUCs) for model comparison. MATERIALS AND METHODS: An electronic search of the MEDLINE and Embase databases up to October 2016 was undertaken. The AUC value, total number of patients and rate of LNI were extracted from the included references...
June 23, 2017: Scandinavian Journal of Urology
https://www.readbyqxmd.com/read/28644303/prostate-cancer-immunotherapy-the-path-forward
#4
Ravi A Madan, James L Gulley
PURPOSE OF REVIEW: To provide an overview of current strategies being investigated in the development of immunotherapy in prostate cancer. RECENT FINDINGS: Development of immunotherapy in prostate cancer actually began in 2010 with FDA approval of sipuleucel-T. Given that immune checkpoint inhibitor trials have either been negative at the phase III level or underwhelming in smaller studies, it is likely that combination strategies will be required to further maximize the impact immune-based therapies on the clinical course of the disease...
July 20, 2017: Current Opinion in Supportive and Palliative Care
https://www.readbyqxmd.com/read/28644302/the-role-of-bone-targeted-therapies-for-prostate-cancer-in-2017
#5
Samer L Traboulsi, Fred Saad
PURPOSE OF REVIEW: Bone-targeted agents (BTAs), such as zoledronic acid and denosumab, delay the occurrence of skeletal-related events (SREs) in metastatic prostate cancer (PCa) patients. Recently, several agents, such as abiraterone acetate, enzalutamide and radium-223, were approved for the treatment of metastatic castration-resistant PCa (mCRPC). These agents resulted in improved overall survival (OS), pain control and had positive effects on bone health. Combining BTAs to the newly approved agents demonstrates additional benefits that warrant a review of available evidence looking at appropriate combination therapies and timing of BTAs for optimizing the management of advanced and metastatic PCa...
July 20, 2017: Current Opinion in Supportive and Palliative Care
https://www.readbyqxmd.com/read/28644156/clinical-case-of-the-month-a-57-year-old-man-with-an-axillary-mass
#6
Palak Desai, Andrew Myers, Brian Boulmay, Fred A Lopez
A 57-year-old man presented to the surgical oncology clinic with a mildly tender mass under his right arm. Four years prior, the patient had a melanoma removed from his right shoulder along with an ipsilateral right axillary sentinel lymph sampling. Computed tomography (CT) scan was negative for metastatic disease at that time. The patient did not undergo completion axillary node dissection and was lost to follow-up. The patient was originally from Australia, did not tan but reported multiple sunburns before age 18...
May 2017: Journal of the Louisiana State Medical Society: Official Organ of the Louisiana State Medical Society
https://www.readbyqxmd.com/read/28644154/acute-promyelocytic-leukemia-and-chronic-lymphocytic-leukemia-concomitant-presentation-of-two-molecularly-distinct-entities
#7
Jingdong Su, Diana Veillon, Rodney Shackelford, James Cotelingam, Hazem El-Osta, Glenn Mills, Reinhold Munker, Srinivas Devarakonda
Acute myeloid leukemia (AML) developing in patients with chronic lymphocytic leukemia (CLL) is very uncommon and usually associated with prior treatment. Acute promyelocytic leukemia (APL) accounts for a very small proportion of treatment-associated AML. So far, there has been only one reported case of APL occurring post radiation for prostate cancer in a patient with CLL. We report herein the first case of APL and CLL presenting concomitantly in an untreated patient. Evaluation of peripheral blood and bone marrow aspirate with immunohistochemistry, flow cytometry, and FISH to confirm two morphologically, molecularly and genetically distinct leukemic populations characteristic of APL and CLL is required...
May 2017: Journal of the Louisiana State Medical Society: Official Organ of the Louisiana State Medical Society
https://www.readbyqxmd.com/read/28644090/transdermal-administration-of-melatonin-coupled-to-cryopass-laser-treatment-as-noninvasive-therapy-for-prostate-cancer
#8
Laura Terraneo, Paola Bianciardi, Eleonora Virgili, Elena Finati, Michele Samaja, Rita Paroni
Melatonin, a pineal gland hormone, exerts oncostatic activity in several types of human cancer, including prostate, the most common neoplasia and the third most frequent cause of male cancer death in the developed world. The growth of androgen-sensitive LNCaP prostate cancer cells in mice is inhibited by 3 mg/kg/week melatonin (0.09 mg/mouse/week) delivered by i.p. injections, which is equivalent to a dose of 210 mg/week in humans. The aim of this study is to test an alternative noninvasive delivery route based on transdermal administration of melatonin onto the tumor area followed by cryopass-laser treatment...
November 2017: Drug Delivery
https://www.readbyqxmd.com/read/28643748/diagnostic-efficacy-of-free-prostate-specific-antigen-total-prostate-specific-antigen-ratio-for-the-diagnosis-of-prostate-cancer-in-low-concentration-%C3%A2-4-ng-ml-and-intermediate-levels-of-total-prostate-specific-antigen-4-01-10-0-ng-ml
#9
Selahattin Caliskan
AIM OF STUDY: Serum prostate-specific antigen (PSA) is a useful tumor biomarker for prostate cancer (PCa) diagnosis. In this study, I aimed to compare the free/total PSA (fPSA%) with PSA alone for their usefulness in diagnosis for PCa. METHODS: The patients who underwent prostate biopsy between January 2010 and January 2015 were evaluated retrospectively. Data were expressed as a mean + standard error and P < 0.05 as considered with statistical significance (Med Calc 14...
April 2017: Journal of Cancer Research and Therapeutics
https://www.readbyqxmd.com/read/28643332/integrative-eqtl-analysis-of-tumor-and-host-omics-data-in-individuals-with-bladder-cancer
#10
Silvia Pineda, Kristel Van Steen, Núria Malats
Integrative analyses of several omics data are emerging. The data are usually generated from the same source material (i.e., tumor sample) representing one level of regulation. However, integrating different regulatory levels (i.e., blood) with those from tumor may also reveal important knowledge about the human genetic architecture. To model this multilevel structure, an integrative-expression quantitative trait loci (eQTL) analysis applying two-stage regression (2SR) was proposed. This approach first regressed tumor gene expression levels with tumor markers and the adjusted residuals from the previous model were then regressed with the germline genotypes measured in blood...
June 23, 2017: Genetic Epidemiology
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
#11
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/28643193/assessing-cancer-specific-anxiety-in-chinese-men-with-prostate-cancer-psychometric-evaluation-of-the-chinese-version-of-the-memorial-anxiety-scale-for-prostate-cancer-max-pc
#12
Qingmei Huang, Ping Jiang, Zijun Zhang, Jie Luo, Yun Dai, Li Zheng, Wei Wang
PURPOSE: The Memorial Anxiety Scale for Prostate Cancer (MAX-PC) was developed to identify and assess cancer-specific anxiety among men with prostate cancer (PCa); however, there is no Chinese version. The aim of our study was to translate the English version of MAX-PC into Chinese and evaluate the psychometric properties of it. METHODS: The study cohort comprised 254 participants. Internal consistency including the Cronbach's alpha coefficient and item-total correlations were used to measure the reliability of the scale...
June 22, 2017: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/28642840/cytolethal-distending-toxin-enhances-radiosensitivity-in-prostate-cancer-cells-by-regulating-autophagy
#13
Hwai-Jeng Lin, Hsin-Ho Liu, Chia-Der Lin, Min-Chuan Kao, Yu-An Chen, Chuan Chiang-Ni, Zhi-Pei Jiang, Mei-Zi Huang, Chun-Jung Lin, U-Ging Lo, Li-Chiung Lin, Cheng-Kuo Lai, Ho Lin, Jer-Tsong Hsieh, Cheng-Hsun Chiu, Chih-Ho Lai
Cytolethal distending toxin (CDT) produced by Campylobacter jejuni contains three subunits: CdtA, CdtB, and CdtC. Among these three toxin subunits, CdtB is the toxic moiety of CDT with DNase I activity, resulting in DNA double-strand breaks (DSB) and, consequently, cell cycle arrest at the G2/M stage and apoptosis. Radiation therapy is an effective modality for the treatment of localized prostate cancer (PCa). However, patients often develop radioresistance. Owing to its particular biochemical properties, we previously employed CdtB as a therapeutic agent for sensitizing radioresistant PCa cells to ionizing radiation (IR)...
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/28642838/adaptive-pathways-and-emerging-strategies-overcoming-treatment-resistance-in-castration-resistant-prostate-cancer
#14
Cameron M Armstrong, Allen C Gao
The therapies available for prostate cancer patients whom progress from hormone-sensitive to castration resistant prostate cancer include both systemic drugs, including docetaxel and cabazitaxel, and drugs that inhibit androgen signaling such as enzalutamide and abiraterone. Unfortunately, it is estimated that up to 30% of patients have primary resistance to these treatments and over time even those who initially respond to therapy will eventually develop resistance and their disease will continue to progress regardless of the presence of the drug...
October 2016: Asian Journal of Urology
https://www.readbyqxmd.com/read/28642484/mir-100-5p-inhibition-induces-apoptosis-in-dormant-prostate-cancer-cells-and-prevents-the-emergence-of-castration-resistant-prostate-cancer
#15
Noushin Nabavi, Nur Ridzwan Nur Saidy, Erik Venalainen, Anne Haegert, Abhijit Parolia, Hui Xue, Yuwei Wang, Rebecca Wu, Xin Dong, Colin Collins, Francesco Crea, Yuzhuo Wang
Carcinoma of the prostate is the most common cancer in men. Treatment of aggressive prostate cancer involves a regiment of radical prostectomy, radiation therapy, chemotherapy and hormonal therapy. Despite significant improvements in the last decade, the treatment of prostate cancer remains unsatisfactory, because a significant fraction of prostate cancers develop resistance to multiple treatments and become incurable. This prompts an urgent need to investigate the molecular mechanisms underlying the evolution of therapy-induced resistance of prostate cancer either in the form of castration-resistant prostate cancer (CRPC) or transdifferentiated neuroendocrine prostate cancer (NEPC)...
June 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28642046/prostate-specific-antigen-percentage-an-early-predictive-tool-after-iodine-125-interstitial-brachytherapy-for-prostate-cancer
#16
Mauro Paoluzzi, Andrea Losa, Valentina Cerboneschi, Caterina Colosimo, Nicola Fontana, Paola Mangili, Marcello Mignogna, Luciano Nava, Valentina Ravaglia
BACKGROUND: After interstitial prostate iodine-125 brachytherapy (BT), prostate-specific antigen (PSA) evolution in time could predict overall biochemical relapse, but, considering the single patient, it is influenced by the presentation PSA amount and by the prostatic volume. It is also challenging to differentiate a PSA bounce from a biochemical relapse. PURPOSE: To determine the usefulness of PSA percentage (PP) defined as the rate between PSA presented by a patient at time "t" and the PSA that the same patient had presented at the time of diagnosis (t0) assumed as 100% in predicting biochemical relapse and in differentiating them from PSA Bounces...
June 19, 2017: Brachytherapy
https://www.readbyqxmd.com/read/28641974/prostate-cancer-local-recurrence-detected-with-both-18-f-fluciclovine-and-psma-targeted-18-f-dcfpyl-pet-ct
#17
Michael A Gorin, Kenneth J Pienta, Martin G Pomper, Steven P Rowe
We present the case of a 79-year-old man with an elevated post-prostatectomy PSA level who was sequentially imaged with PET/CT using (18)F-fluciclovine followed by PSMA-targeted (18)F-DCFPyL. Although both imaging tests successfully identified the same pelvic recurrence, each radiotracer had its relative merits. This case highlights the differences between these two PET radiotracers which are increasingly being used to image men with recurrent prostate cancer.
June 19, 2017: Urology
https://www.readbyqxmd.com/read/28641939/low-molecular-weight-protein-tyrosine-phosphatase-expression-as-a-prognostic-factor-for-men-with-metastatic-hormone-na%C3%A3-ve-prostate-cancer
#18
Mari Ohtaka, Yasuhide Miyoshi, Takashi Kawahara, Shinji Ohtake, Masato Yasui, Koichi Uemura, Shuko Yoneyama, Yusuke Hattori, Jun-Ichi Teranishi, Yumiko Yokomizo, Hiroji Uemura, Hiroshi Miyamoto, Masahiro Yao
OBJECTIVES: Recent studies have demonstrated that up-front docetaxel combined with androgen deprivation therapy (ADT) prolongs survival in some patients with metastatic hormone-naïve prostate cancer (mHNPC). However, new biomarkers for selecting personalized treatment strategies for mHNPC are warranted. We evaluated the value of low-molecular-weight protein tyrosine phosphatase (LMW-PTP) expression as a prognosticator in men with mHNPC. METHODS AND MATERIALS: A total of 48 men with mHNPC diagnosed from 2003 to 2009 were enrolled in this study...
June 19, 2017: Urologic Oncology
https://www.readbyqxmd.com/read/28641312/impact-of-novel-mir-145-3p-regulatory-networks-on-survival-in-patients-with-castration-resistant-prostate-cancer
#19
Yusuke Goto, Akira Kurozumi, Takayuki Arai, Nijiro Nohata, Satoko Kojima, Atsushi Okato, Mayuko Kato, Kazuto Yamazaki, Yasuo Ishida, Yukio Naya, Tomohiko Ichikawa, Naohiko Seki
BACKGROUND: Despite recent advancements, metastatic castration-resistant prostate cancer (CRPC) is not considered curative. Novel approaches for identification of therapeutic targets of CRPC are needed. METHODS: Next-generation sequencing revealed 945-1248 miRNAs from each lethal mCRPC sample. We constructed miRNA expression signatures of CRPC by comparing the expression of miRNAs between CRPC and normal prostate tissue or hormone-sensitive prostate cancer (HSPC)...
June 22, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28641211/specific-interactions-between-androgen-receptor-and-its-ligand-ab-initio-molecular-orbital-calculations-in-water
#20
Ittetsu Kobayashi, Ryosuke Takeda, Rie Suzuki, Kanako Shimamura, Hiromi Ishimura, Ryushi Kadoya, Kentaro Kawai, Midori Takimoto-Kamimura, Noriyuki Kurita
The Androgen Receptor (AR) is a family of nuclear receptor proteins and a ligand-activated transcription factor. Since its abnormal activation can cause the progression of prostate cancer, numerous types of antagonists against AR have been developed as promising agents for treating prostate cancers. We here investigated the specific interactions between AR and several types of non-steroid agents at an electronic level, using ab initio molecular simulations based on molecular mechanics and ab initio fragment molecular orbital (FMO) methods From the results obtained by FMO, we proposed novel agents as potent ligands against AR and investigated the binding properties between AR and these agents to confirm that some of them can bind more strongly with AR than the existing non-steroid agents and can be strongly effective ligands against AR...
June 13, 2017: Journal of Molecular Graphics & Modelling
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