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https://www.readbyqxmd.com/read/28918408/effectiveness-cost-utility-and-implementation-of-a-decision-aid-for-patients-with-localised-prostate-cancer-and-their-partners-study-protocol-of-a-stepped-wedge-cluster-randomised-controlled-trial
#1
Hoda H M Al-Itejawi, Cornelia F van Uden-Kraan, Peter M van de Ven, Veerle M H Coupé, André N Vis, Jakko A Nieuwenhuijzen, Jeroen A van Moorselaar, Irma M Verdonck-de Leeuw
INTRODUCTION: Patient decision aids (PDAs) have been developed to help patients make an informed choice for a treatment option. Despite proven benefits, structural implementation falls short of expectations. The present study aims to assess the effectiveness and cost-utility of the PDA among newly diagnosed patients with localised prostate cancer and their partners, alongside implementation of the PDA in routine care. METHODS/ANALYSIS: A stepped-wedge cluster randomised trial will be conducted...
September 15, 2017: BMJ Open
https://www.readbyqxmd.com/read/28918178/using-imaging-to-predict-treatment-response-in-genitourinary-malignancies
#2
REVIEW
Amir H Lebastchi, Matthew J Watson, Christopher M Russell, Arvin K George, Alon Z Weizer, Baris Turkbey
CONTEXT: Over the previous2 decades, there have been numerous advancements in the diagnostic evaluation, therapeutic management, and postoperative assessment of genitourinary malignancies. OBJECTIVE: To present a review of current and novel imaging modalities and their utility in the assessment of therapeutic response in the systemic management of renal, testicular, and prostate cancers. EVIDENCE ACQUISITION: A PubMed/Medline search of the current published literature inclusive of prospective and retrospective original research, systematic reviews, and meta-analyses was conducted evaluating imaging modalities for renal cell carcinoma, prostate cancer, and testicular cancer...
September 13, 2017: European Urology Focus
https://www.readbyqxmd.com/read/28917268/targeting-androgen-independent-pathways-new-chances-for-patients-with-prostate-cancer
#3
REVIEW
C Cattrini, E Zanardi, G Vallome, A Cavo, L Cerbone, A Di Meglio, C Fabbroni, M M Latocca, F Rizzo, C Messina, A Rubagotti, P Barboro, F Boccardo
Androgen deprivation therapy (ADT) is the mainstay treatment for advanced prostate cancer (PC). Most patients eventually progress to a condition known as castration-resistant prostate cancer (CRPC), characterized by lack of response to ADT. Although new androgen receptor signaling (ARS) inhibitors and chemotherapeutic agents have been introduced to overcome resistance to ADT, many patients progress because of primary or acquired resistance to these agents. This comprehensive review aims at exploring the mechanisms of resistance and progression of PC, with specific focus on alterations which lead to the activation of androgen receptor (AR)-independent pathways of survival...
October 2017: Critical Reviews in Oncology/hematology
https://www.readbyqxmd.com/read/28917266/urinary-biomarkers-in-prostate-cancer-detection-and-monitoring-progression
#4
REVIEW
Duojia Wu, Jie Ni, Julia Beretov, Paul Cozzi, Mark Willcox, Valerie Wasinger, Bradley Walsh, Peter Graham, Yong Li
Prostate cancer (CaP) is the most common cancer in men and the second leading cause of cancer deaths in males in Australia. Although serum prostate-specific antigen (PSA) has been the most widely used biomarker in CaP detection for decades, PSA screening has limitations such as low specificity and potential association with over-diagnosis. Current biomarkers used in the clinic are not useful for the early detection of CaP, or monitoring its progression, and have limited value in predicting response to treatment...
October 2017: Critical Reviews in Oncology/hematology
https://www.readbyqxmd.com/read/28917257/exploiting-molecular-genomics-in-precision-radiation-oncology-a-marriage-of-biological-and-physical-precision
#5
Janice S H Tan, Xiaotian Lin, Kevin L M Chua, Paula Y Lam, Khee-Chee Soo, Melvin L K Chua
Achieving local tumour control is paramount for cure in head and neck and prostate cancers. With the transition to precision radiotherapy (RT) techniques, survival rates have improved in the majority of these cancers, but a substantial proportion of 30-40% still relapse following primary treatment. Recent large-scale molecular profiling studies have revealed unique biological events that could explain for tumour aggression and resistance to therapies, redefining the molecular taxonomy of head and neck and prostate cancers...
September 2017: Chinese Clinical Oncology
https://www.readbyqxmd.com/read/28917248/stereotactic-body-radiation-therapy-for-prostate-cancer-a-review
#6
Waqar Haque, E Brian Butler, Bin S Teh
Prostate cancer can be managed with external beam radiation therapy, delivered with either protons or photons, brachytherapy, surgery, or active surveillance. Advances in imaging and radiation therapy delivery have allowed treatment of prostate cancer using ultra-hypofractionated radiation therapy with a high dose per fraction using a technique called stereotactic body radiation therapy (SBRT). While no randomized trials have compared the efficacy of SBRT to conventionally fractionated radiation therapy (CFRT), numerous prospective trials and retrospective reviews have demonstrated the safety and efficacy of SBRT for localized prostate cancer, used either definitively or as a boost along with CFRT...
September 2017: Chinese Clinical Oncology
https://www.readbyqxmd.com/read/28916652/lsd1-mediated-epigenetic-reprogramming-drives-cenpe-expression-and-prostate-cancer-progression
#7
Yi Liang, Musaddeque Ahmed, Haiyang Guo, Fraser Soares, Junjie T Hua, Shuai Gao, Catherine Lu, Christine Poon, Wanting Han, Jens Langstein, Muhammad B Ekram, Brian Li, Elai Davicioni, Mandeep Takhar, Nicholas Erho, R Jeffrey Karnes, Dianne Chadwick, Theodorus van der Kwast, Paul C Boutros, Cheryl H Arrowsmith, Felix Y Feng, Anthony Michael Joshua, Amina Zoubeidi, Changmeng Cai, Housheng H He
Androgen receptor (AR) signaling is a key driver of prostate cancer (PCa), and androgen-deprivation therapy (ADT) is a standard treatment for patients with advanced and metastatic disease. However, patients receiving ADT eventually develop incurable castration-resistant PCa (CRPC). Here we report that the chromatin modifier LSD1, an important regulator of AR transcriptional activity, undergoes epigenetic reprogramming in CRPC. LSD1 reprogramming in this setting activated a subset of cell cycle genes including CENPE, a centromere binding protein and mitotic kinesin...
September 15, 2017: Cancer Research
https://www.readbyqxmd.com/read/28916296/folate-targeted-amphiphilic-cyclodextrin-nanoparticles-incorporating-a-fusogenic-peptide-deliver-therapeutic-sirna-and-inhibit-the-invasive-capacity-of-3d-prostate-cancer-tumours
#8
James C Evans, Meenakshi Malhotra, Katrina Sweeney, Raphael Darcy, Colleen C Nelson, Brett G Hollier, Caitriona M O'Driscoll
The main barrier to the development of an effective RNA interference (RNAi) therapy is the lack of a suitable delivery vector. Modified cyclodextrins have emerged in recent years for the delivery of siRNA. In the present study, a folate-targeted amphiphilic cyclodextrin was formulated using DSPE-PEG5000-folate to target prostate cancer cells. The fusogenic peptide GALA was included in the formulation to aid in the endosomal release of siRNA. Targeted nanoparticles were less than 200nm in size with a neutral surface charge...
September 12, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28916273/identification-of-recurrence-sites-following-post-prostatectomy-treatment-for-prostate-cancer-using-11-c-choline-positron-emission-tomography-and-multiparametric-pelvic-mri
#9
Avinash Nehra, William P Parker, Rimki Haloi, Sean S Park, Lance A Mynderse, Val J Lowe, Brian J Davis, J Fernando Quevedo, Geoffrey B Johnson, Eugene D Kwon, R Jeffrey Karnes
PURPOSE: To describe anatomic sites of recurrence among prostate cancer patients with biochemical recurrence following radical prostatectomy (RP) and postoperative radiotherapy (RT) and/or androgen deprivation therapy (ADT) using (11)C-Choline PET/CT and multiparametric-MRI. MATERIALS AND METHODS: RP patients evaluated with (11)C-Choline PET/CT and multiparametric-MRI following RT and/or ADT were evaluated for patterns of recurrence and clinicopathologic features...
September 12, 2017: Journal of Urology
https://www.readbyqxmd.com/read/28916253/the-place-of-transanal-endoscopic-surgery-in-the-treatment-of-recto-urethral-fistula
#10
X Serra-Aracil, M Labro-Ciurans, L Mora-Lopez, J Muñoz-Rodriguez, R Martos-Calvo, J Prats-López, S Navarro-Soto
OBJECTIVES: To assess the role of TEO/TEM in recto-urethral fistulas (RUF). RUF may appear after radical prostatectomy. Their treatment represents a challenge; many therapies have been proposed, from conservative to aggressive surgical approaches. Transanal endoscopic surgery (TEO/TEM) is a minimally invasive technique to access the site of the RUF to perform repair. METHODS: Observational study with prospective data collection, conducted between September 2006 and December 2015...
September 12, 2017: Urology
https://www.readbyqxmd.com/read/28915711/vitamin-k-and-its-analogs-potential-avenues-for-prostate-cancer-management
#11
REVIEW
Subramanyam Dasari, Syed M Ali, Guoxing Zheng, Aoshuang Chen, Venkata Satish Dontaraju, Maarten C Bosland, Andre Kajdacsy-Balla, Gnanasekar Munirathinam
Epidemiological studies have demonstrated a relationship between cancer incidence and dietary habits. Especially intake of certain essential nutrients like vitamins has been shown to be beneficial in experimental studies and some clinical trials. Vitamin K (VK) is an essential nutrient involved in the blood clotting cascade, and there are considerable experimental data demonstrating its potential anticancer activity in several cancer types including prostate cancer. Previous in vitro and in vivo studies have focused mainly on anti-oxidative effects as the underlying anticancer mechanism of VK...
August 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28915623/inhibition-of-the-pi3k-akt-mtor-pathway-activates-autophagy-and-compensatory-ras-raf-mek-erk-signalling-in-prostate-cancer
#12
Dominika E Butler, Christopher Marlein, Hannah F Walker, Fiona M Frame, Vincent M Mann, Matthew S Simms, Barry R Davies, Anne T Collins, Norman J Maitland
The PI3K/AKT/mTOR pathway is frequently activated in advanced prostate cancer, due to loss of the tumour suppressor PTEN, and is an important axis for drug development. We have assessed the molecular and functional consequences of pathway blockade by inhibiting AKT and mTOR kinases either in combination or as individual drug treatments. In established prostate cancer cell lines, a decrease in cell viability and in phospho-biomarker expression was observed. Although apoptosis was not induced, a G1 growth arrest was observed in PTEN null LNCaP cells, but not in BPH1 or PC3 cells...
August 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28915602/increased-expression-of-calponin-2-is-a-positive-prognostic-factor-in-pancreatic-ductal-adenocarcinoma
#13
Zhaoyan Qiu, Yi Chu, Bing Xu, Qian Wang, Mingzuo Jiang, Xiaowei Li, Gang Wang, Pengfei Yu, Guoxiao Liu, Hua Wang, Huijie Kang, Jiayu Liu, Yu Zhang, Jian-Ping Jin, Kaichun Wu, Jie Liang
Calponin 2 plays an important role in regulating actin cytoskeleton, which is critical for cell division and migration. Previous studies have demonstrated that calponin 2 inhibits prostate cancer cell proliferation and metastasis. However, the role of calponin 2 in pancreatic tumor growth, metastasis and patient survival remains unclear. Here, we demonstrate that the level of calponin 2 is a positive prognostic factor for patients with pancreatic ductal adenocarcinoma (PDAC). Patients with high calponin 2 expression in the tumor presented less lymph node metastasis and longer survival...
August 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28915573/lipid-catabolism-inhibition-sensitizes-prostate-cancer-cells-to-antiandrogen-blockade
#14
Thomas W Flaig, Maren Salzmann-Sullivan, Lih-Jen Su, Zhiyong Zhang, Molishree Joshi, Miguel A Gijón, Jihye Kim, John J Arcaroli, Adrie Van Bokhoven, M Scott Lucia, Francisco G La Rosa, Isabel R Schlaepfer
Prostate cancer (PCa) is the most common malignancy among Western men and the second leading-cause of cancer related deaths. For men who develop metastatic castration resistant PCa (mCRPC), survival is limited, making the identification of novel therapies for mCRPC critical. We have found that deficient lipid oxidation via carnitine palmitoyltransferase (CPT1) results in decreased growth and invasion, underscoring the role of lipid oxidation to fuel PCa growth. Using immunohistochemistry we have found that the CPT1A isoform is abundant in PCa compared to benign tissue (n=39, p<0...
August 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28915537/mta1-expression-in-human-cancers-clinical-and-pharmacological-significance
#15
REVIEW
Vijaya Lakshmi Malisetty, Vasudevarao Penugurti, Prashanth Panta, Suresh Kumar Chitta, Bramanandam Manavathi
Remarkably, majority of the cancer deaths are due to metastasis, not because of primary tumors. Metastasis is one of the important hallmarks of cancer. During metastasis invasion of primary tumor cells from the site of origin to a new organ occurs. Metastasis associated proteins (MTAs) are a small family of transcriptional coregulators that are closely associated with tumor metastasis. These proteins are integral components of nuclear remodeling and deacetylation complex (NuRD). By virtue of being integral components of NuRD, these proteins regulate the gene expression by altering the epigenetic changes such as acetylation and methylation on the target gene chromatin...
September 11, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28914765/statin-and-bisphosphonate-induce-starvation-in-fast-growing-cancer-cell-lines
#16
Heidrun Karlic, Florian Haider, Roman Thaler, Silvia Spitzer, Klaus Klaushofer, Franz Varga
Statins and bisphosphonates are increasingly recognized as anti-cancer drugs, especially because of their cholesterol-lowering properties. However, these drugs act differently on various types of cancers. Thus, the aim of this study was to compare the effects of statins and bisphosphonates on the metabolism (NADP⁺/NADPH-relation) of highly proliferative tumor cell lines from different origins (PC-3 prostate carcinoma, MDA-MB-231 breast cancer, U-2 OS osteosarcoma) versus cells with a slower proliferation rate like MG-63 osteosarcoma cells...
September 15, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28914298/folic-acid-on-iron-oxide-nanoparticles-platform-with-high-potential-for-simultaneous-targeting-mri-detection-and-hyperthermia-treatment-of-lymph-node-metastases-of-prostate-cancer
#17
Debora Bonvin, Jessica A M Bastiaansen, Matthias Stuber, Heinrich Hofmann, Marijana Mionić Ebersold
The overexpression of the folate receptor in most cancers has been widely exploited to specifically deliver folic acid (FA) coupled nanomedicines to tumors. However, complex coupling chemistry is often used to bind FA to the nanoparticles. Furthermore, very little has been reported for the targeting of nanomedicines to lymph node metastases (LNMs) of prostate cancer. We here report the simple and aqueous coating of iron oxide nanoparticles (IONPs) with FA for theranostics of LNMs of prostate cancer. FA was directly bound to the IONPs' surface without the use of any linker, simultaneously playing the role of the coating molecule and targeting agent...
September 15, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/28913176/propensity-score-matched-comparison-of-intensity-modulated-radiation-therapy-vs-stereotactic-body-radiation-therapy-for-localized-prostate-cancer-a-survival-analysis-from-the-national-cancer-database
#18
Anthony Ricco, Alexandra Hanlon, Rachelle Lanciano
PURPOSE: No direct comparisons between extreme hypofractionation and conventional fractionation have been reported in randomized trials for the treatment of localized prostate cancer. The goal of this study is to use a propensity score matched (PSM) analysis with the National Cancer Database (NCDB) for the comparison of stereotactic body radiation therapy (SBRT) and intensity modulated radiation therapy (IMRT) for organ confined prostate cancer. METHODS: Men with localized prostate cancer treated with radiation dose ≥72 Gy for IMRT and ≥35 Gy for SBRT to the prostate only were abstracted from the NCDB...
2017: Frontiers in Oncology
https://www.readbyqxmd.com/read/28912144/androgen-and-estrogen-receptor-imaging-in-metastatic-breast-cancer-patients-as-a-surrogate-for-tissue-biopsies
#19
Clasina M Venema, Lemonitsa H Mammatas, Carolina P Schröder, Michel van Kruchten, Giulia Apollonio, Andor W J M Glaudemans, A H H Bongaerts, Otto S Hoekstra, Henk M W Verheul, Epie Boven, Bert van der Vegt, Erik F de Vries, Elisabeth G E de Vries, Ronald Boellaard, Catharina Willemien Menke-van der Houven van Oordt, Geke Ap Hospers
In addition to the well-known estrogen receptor (ER) and the human epidermal growth factor receptor 2 (HER2), the androgen receptor (AR) is also a potential drug target in breast cancer treatment. Whole body imaging can provide information across lesions within a patient. ER expression in tumor lesions can be visualized by (18)F-fluoroestradiol (FES) PET, and AR expression has been visualized in prostate cancer patients with (18)F-fluorodihydrotestosterone (FDHT) PET. Our aim was to assess the concordance between FDHT- and FES-PET and tumor AR- and ER-expression measured immunohistochemically (IHC) in patients with metastatic breast cancer...
September 14, 2017: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/28910408/effects-of-tumour-necrosis-factor-%C3%AE-upon-the-metabolism-of-the-endocannabinoid-anandamide-in-prostate-cancer-cells
#20
Jessica Karlsson, Sandra Gouveia-Figueira, Mireille Alhouayek, Christopher J Fowler
Tumour necrosis factor α (TNFα) is involved in the pathogenesis of prostate cancer, a disease where disturbances in the endocannabinoid system are seen. In the present study we have investigated whether treatment of DU145 human prostate cancer cells affects anandamide (AEA) catabolic pathways. Additionally, we have investigated whether cyclooxygenase-2 (COX-2) can regulate the uptake of AEA into cells. Levels of AEA synthetic and catabolic enzymes were determined by qPCR. AEA uptake and hydrolysis in DU145 and RAW264...
2017: PloS One
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