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https://www.readbyqxmd.com/read/28434181/management-options-for-biochemically-recurrent-prostate-cancer
#1
REVIEW
Farhad Fakhrejahani, Ravi A Madan, William L Dahut
Prostate cancer is the most common solid tumor malignancy in men worldwide. Treatment with surgery and radiation can be curative in organ-confined disease. Unfortunately, about one third of men develop biochemically recurrent disease based only on rising prostate-specific antigen (PSA) in the absence of visible disease on conventional imaging. For these patients with biochemical recurrent prostate cancer, there is no uniform guideline for subsequent management. Based on available data, it seems prudent that biochemical recurrent prostate cancer should initially be evaluated for salvage radiation or prostatectomy, with curative intent...
May 2017: Current Treatment Options in Oncology
https://www.readbyqxmd.com/read/28434095/patient-reported-outcomes-in-cancer-survivors-a-population-wide-cross-sectional-study
#2
Michael Jefford, Andrew C Ward, Karolina Lisy, Karen Lacey, Jon D Emery, Adam W Glaser, Hannah Cross, Mei Krishnasamy, Sue-Anne McLachlan, Jim Bishop
PURPOSE: There is a lack of robust population-based data regarding the lived experience of cancer survivors. This study assessed the quality of life (QoL) of survivors of breast, colorectal, or prostate cancer, non-Hodgkin lymphoma or melanoma 1, 3 and 5 years post-diagnosis. Associations between various demographic and disease-related factors and QoL were assessed. METHODS: A cross-sectional postal survey was undertaken. Eligible participants were identified from a population-based cancer registry...
April 22, 2017: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/28433972/paraneoplastic-jaundice-and-prostate-cancer
#3
Ana Claudia Vieira, Maria Joana Alvarenga, Jose Carlos Santos, Alberto Mello Silva
Cholestasis has numerous causes. We present the case of a 78-year-old man with a common diagnosis in this age group and gender but with an unusual presentation. There are only 11 articles published of patients with jaundice due to a paraneoplastic syndrome associated with prostate cancer. Interleukin 6 and other proinflammatory cytokines appear to contribute to the pathophysiology of this syndrome. Our patient remains symptom free 4 months after treatment initiation.
April 22, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28433812/the-perlecan-interacting-growth-factor-progranulin-regulates-ubiquitination-sorting-and-lysosomal-degradation-of-sortilin
#4
Ryuta Tanimoto, Chiara Palladino, Shi-Qiong Xu, Simone Buraschi, Thomas Neill, Leonard G Gomella, Stephen C Peiper, Antonino Belfiore, Renato V Iozzo, Andrea Morrione
Despite extensive clinical and experimental studies over the past decades, the pathogenesis and progression to the castration-resistant stage of prostate cancer remains largely unknown. Progranulin, a secreted growth factor, strongly binds the heparin-sulfate proteoglycan perlecan, and counteracts its biological activity. We established that progranulin acts as an autocrine growth factor and promotes prostate cancer cell motility, invasion, and anchorage-independent growth. Progranulin was overexpressed in prostate cancer tissues vis-à-vis non-neoplastic tissues supporting the hypothesis that progranulin may play a key role in prostate cancer progression...
April 20, 2017: Matrix Biology: Journal of the International Society for Matrix Biology
https://www.readbyqxmd.com/read/28433640/partial-gland-treatment-of-prostate-cancer-utilizing-high-intensity-focused-ultrasound-in-the-primary-and-salvage-setting-a-systematic-review
#5
REVIEW
Ron Golan, Adrien N Bernstein, Timothy D McClure, Art Sedrakyan, Neal A Patel, Dipen J Parekh, Leonard S Marks, Jim C Hu
PURPOSE: Advances in prostate imaging, biopsy and ablative technologies have been accompanied by growing enthusiasm for partial gland ablation, particularly using high-intensity focused ultrasound (HIFU) for treating prostate cancer. The preservation of non-cancerous prostate tissue and minimizing damage to the neurovascular bundles and external urethral sphincter may improve functional outcomes. MATERIALS AND METHODS: A systematic review was performed following the PRISMA guidelines using a combination of MeSH terms, free-text search, and review of relevant bibliographies using Medline and Embase from the inception of each database through October 10, 2016...
April 19, 2017: Journal of Urology
https://www.readbyqxmd.com/read/28433432/ascende-rt-an-analysis-of-treatment-related-morbidity-for-a-randomized-trial-comparing-a-low-dose-rate-brachytherapy-boost-with-a-dose-escalated-external-beam-boost-for-high-and-intermediate-risk-prostate-cancer
#6
Sree Rodda, Scott Tyldesley, W James Morris, Mira Keyes, Ross Halperin, Howard Pai, Michael McKenzie, Graeme Duncan, Gerard Morton, Jeremy Hamm, Nevin Murray
PURPOSE: To report the genitourinary (GU) and gastrointestinal (GI) morbidity and erectile dysfunction in a randomized trial comparing 2 methods of dose escalation for high- and intermediate-risk prostate cancer. METHODS AND MATERIALS: ASCENDE-RT (Androgen Suppression Combined with Elective Nodal and Dose Escalated Radiation Therapy) enrolled 398 men, median age 68 years, who were then randomized to either a standard arm that included 12 months of androgen deprivation therapy and pelvic irradiation to 46 Gy followed by a dose-escalated external beam radiation therapy (DE-EBRT) boost to 78 Gy, or an experimental arm that substituted a low-dose-rate prostate brachytherapy (LDR-PB) boost...
January 6, 2017: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/28433413/stereotactic-ablative-radiotherapy-in-the-treatment-of-low-and-intermediate-risk-prostate-cancer-is-there-an-optimal-dose
#7
Joelle Helou, Laura D'Alimonte, Harvey Quon, Andrea Deabreu, Kristina Commisso, Patrick Cheung, William Chu, Alexandre Mamedov, Melanie Davidson, Ananth Ravi, Andrew Loblaw
PURPOSE: To investigate if stereotactic ablative radiotherapy (SABR) dose is associated with PSA at 3years (PSA3y) in the treatment of localized prostate cancer and to explore predictors of late genitourinary (GU) toxicity. MATERIALS AND METHODS: Three prospective trials of SABR were undertaken at our institution: 1) 35Gy/5 fractions/29days; 2) 40Gy/5 fractions/29days; 3) 40Gy/5 fractions/11 or 29days. PSA3y was analyzed as a continuous variable. Toxicity was defined as the worst new toxicity and assessed using the radiation therapy oncology group (RTOG) late morbidity scheme...
April 19, 2017: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
https://www.readbyqxmd.com/read/28432774/comprehensive-two-dimensional-pc-3-prostate-cancer-cell-membrane-chromatography-for-screening-anti-tumor-components-from-radix-sophorae-flavescentis
#8
Qiang Wang, Junnan Xu, Xiang Li, Dawei Zhang, Yong Han, Xu Zhang
Radix Sophorae flavescentis is generally used for the treatments of different stages of prostate cancer in China. It has ideal effects when combined with surgical treatment and chemotherapy. However, its active components are still ambiguous. We devised a comprehensive two-dimensional PC-3 prostate cancer cell membrane chromatography system for screening anti-prostate cancer components in Radix Sophorae flavescentis. Gefitinib and dexamethasone were chosen as positive and negative drugs respectively for validation and optimization the selectivity and suitability of the comprehensive two-dimensional chromatographic system...
April 22, 2017: Journal of Separation Science
https://www.readbyqxmd.com/read/28432548/prostate-knowledge-attitudes-and-beliefs-in-black-college-men-a-qualitative-study
#9
Krista Mincey, Brian L Turner, Khila Anderson, Sheldon Maurice, Rachel Neal, Camille White
This qualitative study explores prostate cancer knowledge and risk in Black college men. Using the Health Belief Model as a guide, focus groups and interviews were conducted with 35 Black males at a historically black college and university. Thematic analysis was conducted and general themes were found. Results indicate that Black college males have very little knowledge and understanding of what their prostate is and what it does. They are also unaware of their risk of developing prostate cancer. Additionally, while many believe prostate cancer is severe, few believe they are susceptible to getting it...
April 21, 2017: Journal of Community Health
https://www.readbyqxmd.com/read/28431993/re-examining-psa-density-defining-the-optimal-psa-range-and-patients-for-using-psa-density-to-predict-prostate-cancer-using-extended-template-biopsy
#10
Joshua Stephen Jue, Marcelo Panizzutti Barboza, Nachiketh Soodana Prakash, Vivek Venkatramani, Varsha R Sinha, Nicola Pavan, Bruno Nahar, Pratik Kanabur, Michael Ahdoot, Yan Dong, Ramgopal Satyanarayana, Dipen J Parekh, Sanoj Punnen
OBJECTIVES: To compare the predictive accuracy of PSA density versus PSA across different PSA ranges and by prior biopsy status in a prospective cohort undergoing prostate biopsy. METHODS: Men from a prospective trial underwent an extended template biopsy to evaluate for prostate cancer at 26 sites throughout the US. The area under the receiver operating curve assessed the predictive accuracy of PSA density versus PSA across three PSA ranges (<4, 4-10, >10 ng/mL)...
April 18, 2017: Urology
https://www.readbyqxmd.com/read/28431881/design-and-synthesis-of-1-2-3-triazolo-phenanthrene-hybrids-as-cytotoxic-agents
#11
Niggula Praveen Kumar, Shalini Nekkanti, S Sujana Kumari, Pankaj Sharma, Nagula Shankaraiah
A series of new 1,2,3-triazolo-phenanthrene hybrids has been synthesized by employing Cu(I)-catalyzed azide-alkyne cycloaddition (CuAAC) reaction. These compounds were evaluated for their in vitro cytotoxic potential against various human cancer cell lines viz. lung (A549), prostate (PC-3 and DU145), gastric (HGC-27), cervical (HeLa), triple negative breast (MDA-MB-231, MDA-MB-453) and breast (BT-549, 4T1) cells. Among the tested compounds, 7d displayed highest cytotoxicity against DU145 cells with IC50 value of 1...
April 7, 2017: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/28431765/immune-modulation-by-vitamin-d-special-emphasis-on-its-role-in-prevention-and-treatment-of-cancer
#12
REVIEW
Franco Pandolfi, Laura Franza, Claudia Mandolini, Pio Conti
PURPOSE: Vitamin D has been known to be involved in mineral and bone homeostasis for many years. In the past its main use was in treating osteoporosis and rickets. In recent years it was found that vitamin D is an immune-modulating agent and may also have a role in several diseases, including autoimmune diseases. The immune-modulating effects appear to be mediated by vitamin D interaction with the vitamin D receptor (VDR) that has transcriptional effects and is expressed on various cell types, especially those of the immune system...
April 18, 2017: Clinical Therapeutics
https://www.readbyqxmd.com/read/28431275/learning-non-rigid-deformations-for-robust-constrained-point-based-registration-in-image-guided-mr-trus-prostate-intervention
#13
John A Onofrey, Lawrence H Staib, Saradwata Sarkar, Rajesh Venkataraman, Cayce B Nawaf, Preston C Sprenkle, Xenophon Papademetris
Accurate and robust non-rigid registration of pre-procedure magnetic resonance (MR) imaging to intra-procedure trans-rectal ultrasound (TRUS) is critical for image-guided biopsies of prostate cancer. Prostate cancer is one of the most prevalent forms of cancer and the second leading cause of cancer-related death in men in the United States. TRUS-guided biopsy is the current clinical standard for prostate cancer diagnosis and assessment. State-of-the-art, clinical MR-TRUS image fusion relies upon semi-automated segmentations of the prostate in both the MR and the TRUS images to perform non-rigid surface-based registration of the gland...
April 12, 2017: Medical Image Analysis
https://www.readbyqxmd.com/read/28430646/immunotherapeutic-target-expression-on-breast-tumors-can-be-amplified-by-hormone-receptor-antagonism-a-novel-strategy-for-enhancing-efficacy-of-targeted-immunotherapy
#14
Ritika Jaini, Matthew G Loya, Charis Eng
Immunotherapy has historically been successful in highly antigenic tumors but has shown limited therapeutic efficacy in non-antigenic tumors such as breast cancers. Our previous studies in autoimmunity have demonstrated that increased antigen load within a tissue enhances immune reactivity against it. We therefore hypothesized that enhancing expression of target proteins on breast tumors can increase efficacy of targeted immunotherapy. We hypothesized that antagonism of the estrogen receptor (ER) can increase expression of targets that are hormonally regulated and facilitate enhanced tumor recognition by targeted immunotherapy...
March 1, 2017: Oncotarget
https://www.readbyqxmd.com/read/28430624/photosensitizers-in-prostate-cancer-therapy
#15
REVIEW
Taher Gheewala, Troy Skwor, Gnanasekar Munirathinam
The search for new therapeutics for the treatment of prostate cancer is ongoing with a focus on the balance between the harms and benefits of treatment. New therapies are being constantly developed to offer treatments similar to radical therapies, with limited side effects. Photodynamic therapy (PDT) is a promising strategy in delivering focal treatment in primary as well as post radiotherapy prostate cancer. PDT involves activation of a photosensitizer (PS) by appropriate wavelength of light, generating transient levels of reactive oxygen species (ROS)...
February 18, 2017: Oncotarget
https://www.readbyqxmd.com/read/28430389/combination-of-carmustine-and-selenite-inhibits-egfr-mediated-growth-signaling-in-androgen-independent-prostate-cancer-cells
#16
Vijayalakshmi Thamilselvan, Mani Menon, Gary S Stein, Fred Valeriote, Sivagnanam Thamilselvan
Although aberrant androgen receptor (AR) signaling is a central mechanism for castration resistant prostate cancer (CRPC) progression, AR-independent survival and growth signaling is also present in CRPC. The current therapeutic options for patients with CRPC are limited and new drugs are desperately needed to eliminate these crucial growth signaling pathways. Overexpression of EGFR in CRPC primarily mediates the proliferation of androgen-independent prostate cancer (AIPC) cells. We have previously shown that combination of carmustine and selenite effectively induces apoptosis and growth inhibition by targeting AR and AR-variants in castration resistant prostate cancer cells...
April 21, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28430341/prostate-specific-antigen-increase-during-dutasteride-to-indicate-the-need-for-prostate-biopsy-influence-of-prostatic-inflammation
#17
Alessandro Sciarra, Martina Maggi, Andrea Fasulo, Stefano Salciccia, Vincenzo Gentile, Susanna Cattarino, Alessandro Gentilucci
INTRODUCTION: The aim of this study was to analyze the significance of an increase in total prostate-specific antigen (PSA) serum levels despite dutasteride treatment as a predictor of prostate cancer (PC) at biopsy. We focused our attention on the rate of the first PSA increase and on the influence of prostatic inflammation. METHODS: From 2011 to 2016, 365 men with a previous negative prostate biopsy and persistent elevated PSA levels received dutasteride treatment...
April 4, 2017: Urologia
https://www.readbyqxmd.com/read/28429951/-robotic-assisted-radical-prostatectomy-results-of-1500-surgeries
#18
J Kočárek, J Heráček, M Čermák, F Chmelík, M Matějková
INTRODUCTION: Prostate cancer is the most common malignant disease in men. The number of cases of prostate cancer has increased dramatically in recent 20 years. Radical prostatectomy is a surgical method for the first-line treatment of localised prostate cancer. We performed the first robotic-assisted radical prostatectomy on December 16th, 2005, achieved the boundary of 1000 robotic-assisted radical prostatectomies in 2012, and in 2015, we successfully completed the 1500th robotic-assisted operation on the prostate...
2017: Rozhledy V Chirurgii: Měsíčník Československé Chirurgické Společnosti
https://www.readbyqxmd.com/read/28429372/long-term-clinical-impact-of-psa-surge-in-castration-resistant-prostate-cancer-patients-treated-with-abiraterone
#19
Vincenza Conteduca, Orazio Caffo, Cristian Lolli, Michele Aieta, Emanuela Scarpi, Emanuela Bianchi, Francesca Maines, Giuseppe Schepisi, Samanta Salvi, Francesco Massari, Francesco Carrozza, Antonello Veccia, Vincenzo E Chiuri, Enrico Campadelli, Gaetano Facchini, Ugo De Giorgi
BACKGROUND: Early changes in PSA have been evaluated in association to treatment outcome. The aim of this study was to assess PSA surge phenomenon in castration-resistant prostate cancer (CRPC) patients treated with abiraterone and to correlate those variations with long-term treatment outcome. PATIENTS AND METHODS: We retrospectively evaluated 330 CRPC patients in 11 Italian hospitals, monitoring PSA levels at baseline and every 4 weeks. Other clinical, biochemical and molecular parameters were determined at baseline...
April 20, 2017: Prostate
https://www.readbyqxmd.com/read/28429232/detection-of-potential-metastatic-prostate-cancer-circulating-biomarkers-by-comparison-of-mirna-profiles-in-du145-cells-and-culture-medium
#20
K A Fomicheva, A I Osip'yants, E N Knyazev, T R Samatov, M Yu Shkurnikov
We studied the profile of miRNA secreted into culture medium by DU145 prostate cancer cells and identified a subset of miRNAs characterized by the absence of correlation of their content in the cell and medium, which is likely a result of specific secretion. Three of these miRNA, hsa-miR-4417, hsa-miR-3175, and hsa-miR-6782-5p, exhibit the highest expression and are candidate circulating biomarkers for metastatic activity of prostate cancer. Two of these miRNA are coded by introns of genes linked with genome stability maintenance and chromatin remodeling regulation...
April 21, 2017: Bulletin of Experimental Biology and Medicine
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